1 2000-05-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3 * invoke.texi (-Wtraditional): Update WRT function macros.
5 Tue May 30 09:57:32 2000 Philippe De Muyter <phdm@macqel.be>
7 * except.c (free_exception_table): Do not free NULL.
9 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
11 * cpplib.c (do_if): Don't save and restore only_seen_white here.
12 * cppexp.c (_cpp_parse_expr): Save and restore only_seen_white
15 2000-05-29 Richard Earnshaw (rearnsha@arm.com)
17 * flow.c (mark_used_reg): If a register is unconditionally live,
18 remove any conditional death information.
20 2000-05-29 Richard Henderson <rth@cygnus.com>
22 * final.c (current_output_insn): New.
23 (final_scan_insn): Set it.
24 * output.h: Declare it.
26 2000-05-29 Richard Henderson <rth@cygnus.com>
28 * stor-layout.c (finalize_record_size): Fix typo.
30 * jump.c (redirect_jump): Don't emit NOTE_INSN_FUNCTION_END
33 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
35 * cpplib.h (cpp_reader): Remove if_stack. Change
36 potential_control_macro to a cpp_hashnode *. Add skipping flag.
37 * cpphash.h (struct ihash): Change control_macro to a
38 cpp_hashnode * and shorten name to cmacro.
39 Add NEVER_REINCLUDE constant.
41 * cppfiles.c (redundant_include_p): Drop cpp_reader argument.
42 Examine the cmacro node directly, no need to call cpp_defined.
43 (_cpp_execute_include, read_include_file): Set cmacro to
44 NEVER_REINCLUDE, not U"".
45 * cpplex.c (cpp_push_buffer): Don't set new->if_stack.
46 (cpp_get_token): If pfile->skipping is true, discard text and
47 keep scanning until we hit a directive; don't expand macros.
49 * cpplib.c (struct if_stack): Remove if_succeeded, add
50 was_skipping. Change control_macro to a cpp_hashnode * and
51 shorten name to cmacro. Remove typedef IF_STACK.
52 (parse_ifdef), detect_if_not_defined): Return a cpp_hashnode *.
53 (conditional_skip, skip_if_group,
54 consider_directive_while_skipping): Delete.
55 (push_conditional): New.
56 (_cpp_handle_directive): Don't process directives other than
57 conditionals if we are skipping.
59 (do_ifdef, do_ifndef, do_if, do_else, do_elif, do_endif):
61 (validate_else): Skip rest of line here, unconditionally.
62 (_cpp_unwind_if_stack): The stack is per-buffer. Force
65 (all): Remove `scare quotes' from error messages.
67 2000-05-29 Richard Henderson <rth@cygnus.com>
69 * function.c (emit_return_into_block): New line_note arg; emit it.
70 (thread_prologue_and_epilogue_insns): Attempt to locate a line note
71 for the close brace to accompany HAVE_return. Move all line notes
72 following the epilogue to before the NOTE_INSN_EPILOGUE_BEG.
74 2000-05-29 Richard Henderson <rth@cygnus.com>
76 * longlong.h [__alpha] (count_leading_zeros): New.
77 (count_trailing_zeros): New.
78 (COUNT_LEADING_ZEROS_0): New.
80 * config/alpha/alpha.c (alpha_zero_comparison_operator): New.
81 (alpha_split_conditional_move): New.
82 * config/alpha/alpha-protos.h: Prototype them.
83 * config/alpha/alpha.h (PREDICATE_CODES): Update.
84 (CPP_CPU_DEFAULT_SPEC): Fix typo for EV67.
85 * config/alpha/alpha.md: Update ffs cix commentary.
87 (*nabssf2, *nabsdf2): New.
88 (*mov[qhsd]icc_internal): Use add_operand.
89 (if_then_else constant splitters): New.
90 (*cmp_sadd_di, *cmp_sadd_si, *cmp_sadd_sidi): New.
91 (*cmp_ssub_di, *cmp_ssub_si, *cmp_ssub_sidi): New.
93 2000-05-29 Richard Henderson <rth@cygnus.com>
95 * combine.c (force_to_mode) [MINUS]: Convert subtraction from
96 a constant to NEG or NOT when conditions allow.
98 * combine.c (combine_simplify_rtx): Don't create an if_then_else
99 unless both args are general_operand. Don't canonicalize plus
100 to ior unless it helps.
102 * toplev.c (rest_of_compilation): Set no_new_pseudos after flow1;
103 instead track register_life_up_to_date. Toggle no_new_pseudos
106 2000-05-28 Geoff Keating <geoffk@cygnus.com>
108 * config/rs6000/rs6000.c (output_cbranch): Escape '%' characters
109 so output_operand doesn't see them.
111 Sun May 28 18:37:07 2000 Clinton Popetz <cpopetz@cygnus.com>
113 * lcm.c (make_preds_opaque): Fix comment.
114 (optimize_mode_switching): Use NORMAL_MODE instead of
115 MODE_USES_IN_EXIT_BLOCK. Change leftover instance of
116 FP_MODE_NONE to no_mode. Rename MODE_AT_ENTRY to NORMAL_MODE.
117 Handle insertions before an existing NOTE_INSN_BASIC_BLOCK.
118 * tm.texi (OPTIMIZE_MODE_SWITCHING): Refer to NORMAL_MODE.
119 (MODE_USES_IN_EXIT_BLOCK): Delete.
120 (MODE_AT_ENTRY) Rename to NORMAL_MODE.
121 * sh.h (MODE_USES_IN_EXIT_BLOCK): Delete.
122 (MODE_AT_ENTRY): Rename to NORMAL_MODE.
123 (MODE_NEEDED): Don't look for USE.
124 (EPILOGUE_USES): Define.
126 Sun May 28 23:26:59 2000 Philippe De Muyter <phdm@macqel.be>
128 * mklibgcc.in (all): Variable initialised to `libgcc'.
130 2000-05-28 Gabriel Dos Reis <gdr@codesourcery.com>
132 * toplev.h (skip_leading_substring): New macro.
133 * toplev.c (decode_f_option): Use skip_leading_substring instead
135 (decode_W_option): Likewise.
137 2000-05-28 Nick Clifton <nickc@cygnus.com>
139 * tm.texi (CONDITIONAL_REGISTER_USAGE): Document that it can
142 2000-05-28 Richard Henderson <rth@cygnus.com>
144 * regclass.c (record_operand_costs): Protect reg_changes_size
145 with CLASS_CANNOT_CHANGE_SIZE.
147 * loop.c (instrument_loop_bct): Set JUMP_LABEL on the new insn.
149 2000-05-28 Richard Henderson <rth@cygnus.com>
151 * function.c (diddle_return_value): A pcc-style struct return
154 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
156 * cppfiles.c: Read files in, using mmap if possible, then
157 prescan them separately.
158 (read_file, read_with_read): New functions.
159 * cpplex.c: Don't define UCHAR_MAX.
160 (_cpp_read_and_prescan): Rename to _cpp_prescan. Don't read
163 * cppinit.c (handle_option): Automatically define __cplusplus,
164 __OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
165 the respective -lang switch.
167 * cpphash.h (enum node_type, struct hashnode, _cpp_lookup
168 prototype): Move to...
169 * cpplib.h: ... here. Rename struct hashnode to struct
170 cpp_hashnode and give it a typedef. Rename _cpp_lookup to
171 cpp_lookup. Add 'fe_value' slot, a union tree_node *.
173 2000-05-27 Geoffrey Keating <geoffk@cygnus.com>
175 * config/rs6000/rs6000.md (movsi): Constify 'name'.
177 * regclass.c [CLASS_CANNOT_CHANGE_SIZE]
178 (class_can_change_size): New variable.
179 (reg_changes_size): New variable.
180 (init_reg_sets_1): Initialise class_can_change_size.
181 (record_operand_costs): Remove subreg_changes_size.
182 Don't pass it around. Instead update reg_changes_size.
183 (regclass): Initialise and free reg_changes_size. If a register
184 changes size, don't preference it to a class that contains
185 registers that can't change size.
186 (record_reg_classes): Don't look at subreg_changes_size.
188 2000-05-27 Richard Henderson <rth@cygnus.com>
190 * print-rtl.c (reg_names): Remove const.
191 * regclass.c (reg_names): Likewise.
192 * regs.h (reg_names): Likewise.
193 * hard-reg-set.h (reg_names): Likewise.
195 2000-05-27 Richard Henderson <rth@cygnus.com>
197 * config/rs6000/rs6000.md (untyped_call): Use GEN_CALL.
199 2000-05-27 Richard Henderson <rth@cygnus.com>
201 * config/alpha/alpha.c (alpha_does_function_need_gp): Test
202 TARGET_PROFILING_NEEDS_GP in the if, instead of with an ifdef.
203 (alpha_expand_prologue): Emit prologue_mcount if needed.
204 * config/alpha/alpha.h (TARGET_PROFILING_NEEDS_GP): Default to 0.
205 * config/alpha/alpha.md (prologue_mcount): New.
206 * config/alpha/linux.h (FUNCTION_PROFILER): Remove.
207 (TARGET_PROFILING_NEEDS_GP): Undef before redefining.
208 * config/alpha/netbsd.h: Likewise.
210 2000-05-27 Richard Henderson <rth@cygnus.com>
212 * config/alpha/elf.h (SELECT_SECTION): Mirror Kenner's May 19
213 change to config/elfos.h.
215 2000-05-27 Richard Henderson <rth@cygnus.com>
217 * Makefile.in (resource.o): Depend on except.h.
218 * except.h (output_exception_table_data): Prototype.
219 * genconfig.c (gen_peephole2): Prototype.
220 * genemit.c (main): Include ggc.h.
221 * genoutput.c: Revert parts of last change: include errors.h
222 (main): Set progname.
223 * recog.c: Include hard-reg-set.h before recog.h.
224 * resource.c: Include except.h.
226 * config/alpha/alpha-protos.h (alpha_arg_info_reg_val): Protect
228 (alpha_write_linkage): Protect with BUFSIZ.
229 (alpha_need_linkage): Update prototype.
230 * config/alpha/alpha.c (function_arg): Move VMS code here.
231 (alpha_links_base): Remove.
233 (mark_alpha_links_node, mark_alpha_links): New.
234 (alpha_write_one_linkage): New.
235 (alpha_need_linkage): Use a splay tree. Build the linkage symbol.
236 (alpha_write_linkage): Use splay_tree_foreach.
237 * config/alpha/alpha.md (call_vms): Use alpha_need_linkage
238 to get the linkage symbol.
239 (call_value_vms): Likewise.
240 * config/alpha/elf.h (output_file_directive): Remove decl.
241 (ctors_section, dtors_section): Prototype.
242 (sbss_section, sdata_section): Prototype.
243 * config/alpha/vms.h (FUNCTION_ARG): Remove.
244 (readonly_section, link_section, literals_section): Prototype.
245 (ctors_section, dtors_section): Prototype.
246 (vms_valid_decl_attribute_p): Remove decl.
247 (alpha_arg_type, alpha_arg_info_reg_val): Likewise.
249 2000-05-27 Geoff Keating <geoffk@cygnus.com>
251 * reload.c (get_secondary_mem): Don't widen floating-point modes.
253 * combine.c (subst): Honour CLASS_CANNOT_CHANGE_SIZE when
254 substituting the REG in a (subreg:X (reg:Y ...)).
256 2000-05-28 Neil Booth <NeilB@earthling.net>
258 * cpplex.c (_cpp_lex_line): Merge vertical space. Flag
259 first token of a line BOL. Update EOF code for this.
260 Remove illegal directive check - it appears in the (not
261 yet committed) caller.
262 * cpplib.h (BOL): New flag.
264 2000-05-28 Neil Booth <NeilB@earthling.net>
266 * cpplex.c (_cpp_init_toklist): No comment space to initialise.
267 (_cpp_free_toklist): No comment space to free.
268 (expand_comment_space): Remove.
269 (save_comment_space): Place the comment in the current token and
270 not in a separate comment space.
271 (_cpp_lex_line): Save comments during plain code and #define
273 * cpplib.h (struct _cpp_toklist): Remove comment space.
275 2000-05-28 Neil Booth <NeilB@earthling.net>
277 * cppexp.c (parse_assertion): Supply extra argument to
279 * cpplib.c (do_assert, do_unassert): Similarly.
280 * cpphash.h (_cpp_init_toklist) Update.
281 (_cpp_expand_token_space): New.
282 (DUMMY_TOKEN, NO_DUMMY_TOKEN): New.
283 * cpplex.c (_cpp_init_toklist): New argument.
284 (parse_string2): New argument multiline_ok.
285 (spell_token): Take a const cpp_token *.
286 (INIT_NAME): Replace with INIT_TOKEN_NAME. Update tokens_used.
287 (SPELL_ macros): Replace with enum.
288 (expand_token_space): Replace with _cpp_expand_token_space.
290 (IS_DIRECTIVE): Update.
291 (_cpp_lex_line): Update token structure before parsing number.
292 Don't assume start at beginning of token list.
293 (save_comment): Use INIT_TOKEN_NAME.
295 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
297 * configure.in (stage1_warn_cflags): Add -Wstrict-prototypes
298 -Wmissing-prototypes.
299 * configure: Regenerate.
300 * gcc.texi: Remove explanation of MD_CALL_PROTOTYPES.
302 * builtins.c, calls.c: Change all instances of gen_call_* or
303 gen_sibcall_* to GEN_CALL_* and GEN_SIBCALL_*.
304 * calls.c (struct_value_size_rtx): Separate definition from
305 initialization to avoid unused variable warning.
307 * genflags.c (gen_macro): New function.
308 (gen_proto): Call it for gen_call_* and gen_sibcall_*.
309 (gen_nonproto): Delete.
310 (gen_insn): Put all insns on the same obstack.
311 (main): Generate prototypes for everything unconditionally.
313 * configure.in: Add AC_CHECK_TYPE(ssize_t). Remove commented
314 out check for wchar_t.
315 * acconfig.h: Add template for ssize_t. Remove @TOP@.
316 * system.h: Add infrastructure for defining missing
317 TYPE_MAX/TYPE_MIN macros. Use it to provide fallback
318 definitions of UCHAR_MAX and SSIZE_MAX.
319 * configure: Regenerate.
320 * config.in: Regenerate.
322 * Makefile.in (libgcc2.ready): Rename to libgcc.ready.
323 Depend on $(LANGUAGES) as well as $(GCC_PATCHES) and fixed
325 (clean): No need to delete libgcc1.a, libgcc1-asm.a,
326 libgcc2.a, or libgcc1.null.
328 2000-05-27 Richard Henderson <rth@cygnus.com>
330 * Makefile.in (recog.o): Don't depend on resource.h.
331 * recog.c: Don't include resource.h.
332 (recog_last_allowed_insn): Remove.
333 (recog_next_insn): Remove.
334 (struct peep2_insn_data): New.
335 (peep2_insn_data, peep2_current): New.
336 (peep2_next_insn): New.
337 (peep2_regno_dead_p, peep2_reg_dead_p): New.
338 (peep2_find_free_register): New.
339 (peephole2_optimize): Track life information by insn as we go.
340 * recog.h: Update declarations.
341 * resource.c (find_free_register, reg_dead_p): Remove.
342 * resource.h: Remove their declarations.
343 * toplev.c: Include hard-reg-set.h before recog.h.
345 * genconfig.c (max_insns_per_peep2): New.
346 (gen_peephole2): New.
348 * genemit.c (output_peephole2_scratches): Generate calls to
349 peep2_find_free_register; adjust surrounding code.
350 (main): Have insn-emit.c include hard-reg-set.h before recog.h.
351 * genrecog.c (change_state): Don't track last_insn.
352 (write_action): Write into *_pmatch_len before accepting.
353 (write_tree): Adjust peephole2_insns and subroutines to match.
355 * config/i386/i386.md (all peepholes): Use peep2_regno_dead_p.
357 * config/alpha/alpha.c (hard_fp_register_operand): Mind the mode.
358 (hard_int_register_operand): New.
359 * config/alpha/alpha-protos.h: Declare it.
360 * config/alpha/alpha.h (PREDICATE_CODES): Update.
361 * config/alpha/alpha.md (peep2 patterns): Use hard_int_register_operand
362 as needed; use peep2_reg_dead_p instead of dead_or_set_p.
364 2000-05-27 Richard Henderson <rth@cygnus.com>
366 * function.c (thread_prologue_epilogue_insns): Don't move the
367 line note at the head of the chain. Only force a lineno note
368 before the end of block 0.
370 2000-05-27 Richard Henderson <rth@cygnus.com>
372 * gensupport.c (collect_insn_data): Record the maximum number
373 of alternatives, not the last seen.
375 * genoutput.c: Don't include errors.h.
376 (struct data): Add lineno member.
378 (scan_operands): Use message_with_line instead of error.
379 (validate_insn_alternatives): Likewise.
380 (gen_insn): Accept and store the pattern's line number.
381 (gen_peephole, gen_expand, gen_split): Likewise.
382 (main): Don't set progname. Pass line_no to gen_foo.
384 2000-05-27 Richard Henderson <rth@cygnus.com>
386 * config/d30v/d30v.c (d30v_print_operand): Handle ':'.
387 * config/d30v/d30v.h (PRINT_OPERAND_PUNCT_VALID_P): Accept ':'.
388 * config/d30v/d30v.md (attr predicable): New.
389 (all insn patterns): Mark non-predicable patterns; use %: on the rest.
390 (andsi3*): Unify into one pattern.
391 (iorsi3*, xorsi3*): Likewise.
392 (peephole2 patterns): Use peep2_reg_dead_p; verify not a
394 (old cond_exec patterns): Remove.
395 (define_cond_exec): New.
397 Sat May 27 11:01:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
399 * tree.h (TREE_CODE_LENGTH): New macro.
400 * c-common.c (c_find_base_decl): Use it.
401 * expr.c (safe_from_p): Likewise.
402 * print-tree.c (print_node): Likewise.
403 * tree.c (make_node, copy_node, get_identifier): Likewie.
404 (first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise.
405 (build, build_nt, build_parse_node, simple_cst_equal): Likewise.
406 * fold-const.c (make_range): Likewise.
407 (fold): Likewise; also use first_rtl_op.
408 * c-iterate.c (collect_iterators): Use first_rtl_op.
409 * calls.c (calls_function_1): Likewise; also rename TYPE to CLASS.
410 Use IS_EXPR_CODE_CLASS.
411 (preexpand_calls): Likewise.
412 * ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op
413 and TREE_CODE_LENGTH.
414 * stmt.c (warn_if_unused_value): If no operands, no unused value.
416 2000-05-26 Geoffrey Keating <geoffk@cygnus.com>
418 * config/rs6000/rs6000.md (movsi_internal1): Use '%a1' rather
420 (movdi_internal64): Likewise.
422 * config/rs6000/rs6000.md: Correct order of operands for DImode
425 * config/rs6000/rs6000.c (boolean_or_operator): New function.
426 * config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
427 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
428 * config/rs6000/rs6000.md: Use boolean_or_operator instead of
429 boolean_operator for the boolean patterns without NOTs.
431 * config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
432 from reg_or_u_cint_operand. Change comment and behaviour.
433 (logical_operand): Clean up, add assertion.
434 (non_logical_cint_operand): Also check for
435 reg_or_logical_cint_operand.
436 * config/rs6000/rs6000.h (PREDICATE_CODES): Update.
437 * config/rs6000/rs6000.md (iorsi3): Use reg_or_logical_cint_operand
443 2000-05-26 Mark Mitchell <mark@codesourcery.com>
445 * tree.h (struct record_layout_info): Rename to (struct
446 record_layout_info_s).
447 * stor-layout.c (start_record_layout): Replace
448 `record_layout_info' with `record_layout_info_s'.
450 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
452 * flow.c (find_label_refs): New function.
453 (find_basic_blocks_1): Call it for each alternative of a call
456 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
458 * ifcvt.c (cond_exec_get_condition): Set test_if to the SET_SRC
461 2000-05-25 Richard Henderson <rth@cygnus.com>
463 * config/alpha/alpha.c (alpha_comparison_operator): Don't be
464 so strict about DImode.
465 (alpha_swapped_comparison_operator): Likewise.
466 * config/alpha/alpha.md (*setne_internal): Name it. Allow
467 any integer output mode.
468 (*setcc_internal): Likewise.
469 (*setcc_swapped_internal): Likewise.
470 (*movdicc_internal, *movdicc_lbc, *movdicc_lbs): Name them.
471 (*mov[qhs]icc_internal): New.
472 (*mov[qhs]icc_lbc, *mov[qhs]icc_lbs): New.
474 2000-05-25 J. David Anglin <dave@hiauly1.hia.nrc.ca>
476 * vax.h (CPP_SPEC): Define __GFLOAT and GFLOAT when -mg is specified.
478 2000-05-25 Richard Henderson <rth@cygnus.com>
480 * bb-reorder.c (reorder_block_def): Reorder elements for size.
481 Remove add_jump; add next; replace flags with visited.
483 (REORDER_BLOCK_HEAD, REORDER_BLOCK_VISITED): Remove.
484 (REORDER_BLOCK_FLAGS, REORDER_BLOCK_INDEX): Remove.
485 (REORDER_BLOCK_ADD_JUMP, REORDER_BLOCK_EFF_HEAD): Remove.
486 (REORDER_BLOCK_EFF_END, REORDER_BLOCK_SCOPE): Remove.
488 (reorder_index, reorder_last_visited): Remove.
489 (skip_insns_after_block): Rewrite to use a switch.
490 (get_common_dest): Remove.
491 (chain_reorder_blocks): Remove.
492 (record_effective_endpoints): Split out from reorder_basic_blocks.
493 (make_reorder_chain): Likewise. Loop until all blocks are placed.
494 (make_reorder_chain_1): Renamed from old make_reorder_chain.
495 Only construct the reorder chain, do not move insns. Try harder
497 (label_for_bb, emit_jump_to_block_after): New.
498 (fixup_reorder_chain): Use them. Do bulk block movement. Examine
499 and adjust the jump insns appropriately. Fixup basic_block_info.
500 (verify_insn_chain): Always define.
501 (relate_bbs_with_scopes): Call xmalloc, not xcalloc. Fix thinko
503 (make_new_scope): Don't write zeros to calloc'd space.
504 (build_scope_forest): Rely on xrealloc to DTRT.
505 (reorder_basic_blocks): Don't build loop nest. Don't fail if
506 profile_arc_flag. Streamline EH test.
508 * flow.c (redirect_edge_succ, redirect_edge_pred): New.
509 * basic-block.h: Declare them.
511 2000-05-25 Alexandre Oliva <aoliva@cygnus.com>
513 * emit-rtl.c (reset_used_decls): New function.
514 (unshare_all_rtl_again): Call it.
516 2000-05-25 Zack Weinberg <zack@wolery.cumb.org>
518 * cpplex.c (maybe_macroexpand): Warn about function-like
519 macros used in non-function context, if -Wtraditional.
521 2000-05-25 Mark Mitchell <mark@codesourcery.com>
523 * recog.c (peephole2_optimize): Use INSN_P.
525 2000-05-25 Richard Henderson <rth@cygnus.com>
527 * ifcvt.c (seq_contains_jump): New.
528 (noce_try_store_flag_constants): Use it to fail conversion.
529 (noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
531 2000-05-25 Mark Mitchell <mark@codesourcery.com>
533 * except.h (can_throw): Declare it.
534 * except.c (can_throw): Give it external linkage.
535 * resource.c (find_dead_or_set_registers): Use can_throw.
537 2000-05-25 Richard Henderson <rth@cygnus.com>
539 * flow.c (mark_set_1): Don't record conditionally dead memory.
541 2000-05-25 Jan Hubicka <jh@suse.cz>
543 * combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
544 and pc_set at the place of simplejump_p and condjump_p.
545 * cse.c (record_jump_equiv): Likewise.
546 * emit-rtl.c (emit): Likewise.
547 * explow.c (find_next_ref): Likewise.
548 * flow.c (tidy_fallthru_edge): Likewise.
549 (init_propagate_block_info): Likewise.
550 * gcse.c (delete_null_pointer_checks): Likewise.
551 * ifcvt.c (cond_exec_get_condition, noce_get_condition,
552 dead_or_predicable): Likewise.
553 * integrate.c (copy_insn_list): Likewise.
554 * loop.c (scan_loop, verify_dominator, find_and_verify_loops,
555 for_each_insn_in_loop, check_dbra_loop, get_condition,
556 insert_bct, load_mems): Likewise.
557 * resource.c (find_dead_or_set_registers): Likewise.
558 * sibcalls.c (simplejump_p): Likewise.
559 * unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
561 2000-05-25 David Edelsohn <edelsohn@gnu.org>
563 * rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
564 to STRING case. Use doubleword STRING move for TARGET_POWERPC64
566 * rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
567 (RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
568 (LEGITIMIZE_RELOAD_ADDRESS): unsigned HOST_WIDE_INT high.
569 * rs6000.md: Name various internal patterns.
571 2000-05-25 Jan Hubicka <jh@suse.cz>
573 * jump.c (invert_exp_1): Remove first argument, use pc_set
574 to get the expression.
575 (redirect_exp): Make static; redirect only the pc_set expression,
576 remove first argument.
577 (invert_exp): Remove first argument, make static.
578 (jump_optimize): Use any_condjump_p, any_uncondjump_p and
579 any_onlyjump at most places where we originaly did condjump_p
581 (jump_back_p, follow_jumps, thread_jumps): Likewise.
582 (delete_barrier_succesors): Use pc_set.
583 (invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
584 calls of invert_exp and redirect_exp.
585 * rtl.h (redirect_exp, invert_exp): Remove.
586 * unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
588 2000-05-25 Richard Henderson <rth@cygnus.com>
590 * stmt.c (expand_end_bindings): Fix thinko last change.
592 2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
593 Andrew Haley <aph@cygnus.com>
595 * except.c (func_eh_entry): Add emitted field.
596 (new_eh_region_entry): Set emitted field to 0;
597 (output_exception_table_entry): Only emit previously un-emitted data,
598 and send it to the eh_data section.
599 (output_exception_table): Break out common parts. Output
600 exception table for entire compilation unit to eh_data section.
601 (output_exception_table_data): Common parts of output_exception_table.
602 Send output to eh_data section.
603 (output_function_exception_table): Output exception table data for
604 a single function to eh_data section.
605 (free_exception_table): New external to free the table.
606 * except.h (free_exception_table): Add prototype.
607 (output_function_exception_table): Add prototype.
608 * final.c (final_end_function): Output function exception table
609 for IA64_UNWIND_INFO.
610 (final_scan_insn): Emit any unwind directives for an insn.
612 * frame-dwarf2.c: New file containing all DWARF 2 specific code
614 * frame.c: Remove all DWARF 2 specific code.
615 * config/ia64/frame-ia64.c: New file.
616 (gthread_stuff): Make all gthread available with
618 (dwarf_fde): Define an IA64 struct for dwarf_fde.
619 (__register_frame_info, __register_frame): Move to common area of file.
620 (__register_frame_info_table, __register_frame_table): Move to common i
622 (__deregister_frame_info, __deregister_frame): Move to common area.
623 (__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
624 (read_uleb128): New version for ia64.
625 (get_unwind_record): Read the next IA-64 unwind record.
626 (read_R_record): Read a region header record.
627 (process_a_b_reg_code): X record helper.
628 (read_X_record): Read an X format record.
629 (read_B_record): Read a B format record.
630 (P3_record_types): List of record types matching the P3 format.
631 (P7_record_types): List of record types matching the P7 format.
632 (P8_record_types): List of record types matching the P8 format.
633 (read_P_record): Read a P format record.
634 (init_ia64_reg_loc): Set default fields for a register.
635 (init_ia64_unwind_frame): Set defaults for all register records.
636 (execute_one_ia64_descriptor): Execute one descriptor record.
637 (rse_address_add): Calculate the position of a local reg in memory.
638 (normalize_reg_loc): Turn a location descriptor into a memory address.
639 (maybe_normalize_reg_loc): Only normalize a descriptor if it falls
640 within a specified PC offset range.
641 (get_real_reg_value): Given a register location, retrieve its value.
642 (set_real_reg_value): Change the value of a register location.
643 (copy_reg_value): Copy reg values, if needed.
644 (copy_saved_reg_state): Copy all registers that need to be copied.
645 (process_state_between): Normalize all frame register records that
646 fall within the specified PC range.
647 (frame_translate): Take a processed frame description, and turn
648 everything into addresses.
649 (build_ia64_frame_state ): Find and create frame state record for a PC.
650 (get_personality): Get the personality routine for a given frame.
651 (get_except_table): Get the exception table for a given frame.
652 (record_name): Unwind record names for debugging.
653 (print_record): Print and unwind record.
654 (print_all_records): Print an entire unwind image.
655 (__ia64_backtrace): Print a backtrace.
656 (ia64_backtrace_helper): New function.
657 (__register_frame_info_aux): New function.
658 * config/ia64/crtend.asm (__do_frame_setup_aux): New function.
660 * frame.h (enum unw_record_type): New unwind record types.
661 (struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
662 (struct unw_r_record, unwind_record): New unwind record structs.
663 (struct unwind_info_ptr): Unwind information layout.
664 (IA64_UNW_LOC_TYPE_*): Macros for different types for location
666 (struct ia64_reg_loc): Register location description.
667 (struct ia64_frame_state): Location of all registers in a frame.
668 (struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
669 * libgcc2.c (__ia64_personality_v1): Personality routine.
670 (__calc_caller_bsp): Calculate the bsp register for the caller's
672 (ia64_throw_helper): Figure out who to return to and set up the
674 (__throw): Throw routine.
676 * output.h (assemble_eh_align, assemble_eh_label): New functions
677 to generate EH info where we want it.
678 (assemble_eh_integer): New function.
679 * toplev.c (compile_file): Output module level exception table for
681 (main): Set exceptions_via_longjump and flag_new_exceptions based
682 on IA64_UNWIND_INFO too.
684 * varasm.c (assemble_eh_label): Generate a label via
685 ASM_OUTPUT_EH_LABEL if it has been specified.
686 (assemble_eh_align): Generate an alignment directive via
687 ASM_OUTPUT_EH_ALIGN if it has been specified.
688 (assemble_eh_label): Generate an integer value via
689 ASM_OUTPUT_EH_type if they have been specified.
690 * config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
691 (ia64_init_builtins): Add __builtin_ia64_bsp
692 and __builtin_ia64_flushrs.
693 (ia64_expand_builtin): Add IA64_BUILTIN_BSP and
694 IA64_BUILTIN_FLUSHRS.
695 * config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
696 IA64_BUILTIN_FLUSHRS.
698 * config/ia64/ia64.md (flushrs): New insn to flush the register
699 stack. Add to unspec list.
701 * config/ia64/crtbegin.asm (frame_object): Change size.
702 (__do_frame_setup_aux): New function.
703 * config/ia64/crtend.asm: call __do_frame_setup_aux.
704 * config/ia64/t-ia64 (LIB2ADDEH): Add.
705 * Makefile.in (LIB2ADDEH): Add.
706 (LIB2ADD): Use LIB2ADDEH.
708 2000-05-24 Richard Henderson <rth@cygnus.com>
710 * recog.c (offsettable_address_p): If mode size is zero, assume
713 2000-05-24 J. David Anglin <dave@hiauly.hia.nrc.ca>
715 * configure.in: Check for -Wno-long-long option support and improve
716 handling of warning CFLAGS for stages 1 and 2.
717 * Makefile.in (WARN_CFLAGS): Move definition to configure.in.
718 * configure: Regenerate.
720 Wed May 24 19:37:53 2000 Jeffrey A Law (law@cygnus.com)
722 * gcc.texi: Remove contributor list. Instead include contrib.texi.
723 * contrib.texi: New file.
725 Thu May 25 02:27:22 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
727 * loop.c (basic_induction_var): Avoid double recording of an increment.
729 Thu May 25 02:19:27 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
731 * Back out this patch:
732 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
733 * loop.h (struct induction): Add multi_insn_incr.
734 * loop.c (basic_induction_var): New multi_insn_incr argument.
735 Set it if we search back through previous insns for the biv.
736 (record_biv): New multi_insn_incr argument; fill in struct induction.
737 (strength_reduce): Discard an iv with multiple bivs, any of
738 which require multiple insns to increment.
740 * loop.c (check_insn_for_bivs): Remove bits copied from above patch.
742 Thu May 25 02:09:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
744 * rtl.h (loc_mentioned_in_p): Declare.
745 * reload.c (loc_mentioned_in_p): Moved from here...
746 * rtlanal.c (loc_mentioned_in_p): to here. No longer static.
747 Fix loop increment for 'E' handling.
748 * loop.c (strength_reduce): When doing biv->giv conversion,
749 take multi-insn biv increments into account.
751 2000-05-24 Jason Merrill <jason@casey.soma.redhat.com>
753 * stmt.c (expand_end_bindings): Look through NOTEs to find a
756 2000-05-24 Mark Mitchell <mark@codesourcery.com>
758 * calls.c (expand_call): Handle cleanups in tail-recursion
759 arguments analagously to cleanups in sibling calls.
761 2000-05-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
763 * simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
766 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
768 * expr.c (expand_assignment, store_expr, expand_expr,
769 expand_expr_unaligned): Set in_check_memory_usage while emitting
770 chkr_check_addr libcall.
772 2000-05-24 Nick Clifton <nickc@cygnus.com>
774 * fold-const.c (extract_muldiv): When constructing a
775 multiplier/divisor, do not expect const_binop to correctly
776 determine if overflow has occured, so check explicitly.
778 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
780 * c-decl.c (build_enumerator): Don't modify the value's type,
783 2000-05-24 Andreas Jaeger <aj@suse.de>
785 * mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
787 2000-05-24 Eric Christopher <echristo@cygnus.com>
789 * configure.in: Redefine inhibit_libc conditions.
790 * libgcc2.c: Remove inhibit_libc conditional define.
791 * configure: Regenerate.
793 2000-05-24 Phil Edwards <pme@sourceware.cygnus.com>
795 * configure.in: For --enable-languages=LIST, check for empty LIST.
796 * configure: Regenerate.
798 2000-05-24 Lars Brinkhoff <lars@nocrew.org>
800 * pdp11.h (STACK_BOUNDARY): Define.
802 2000-05-24 Jakub Jelinek <jakub@redhat.com>
804 * ifcvt.c (if_convert): Update life info globally.
806 2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
808 * emit-rtl.c (unshare_all_decls): New function.
809 (unshare_all_rtl): Call it.
811 2000-05-23 Nick Clifton <nickc@cygnus.com>
813 * configure.in: Treat 'strongarm' as if it were 'arm' when
814 determining cpu type.
816 * configure: Regenerate.
818 * config/arm/arm.c: Change 'char *' to 'const char *' for cases
819 where constant strings are involved.
821 * config/arm/arm.h (arm_condition_codes): Change type to 'const
824 * config/arm/arm-protos.h: Change 'char *' to 'const char *' for
825 cases where constant strings are involved.
827 Tue May 23 15:08:31 2000 Clinton Popetz <cpopetz@cygnus.com>
829 * config/sh/sh.c (gen_far_branch, split_branches): Update
830 to reflect new prototypes for redirect_jump and invert_jump.
831 (sh_insn_length_adjustment): Get rid of const warnings.
833 2000-05-23 Kazu Hirata <kazu@hxi.com>
835 * invoke.texi (Options for Debugging Your Program or GCC): Update
836 the names of dump files.
838 Tue May 23 13:58:52 2000 Philippe De Muyter <phdm@macqel.be>
840 * configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
841 * configure: Regenerated.
843 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
845 * simplify-rtx.c (SIGN_EXTEND): New macro.
846 (simplify_unary_operation, simplify_binary_operation,
847 simplify_relational_operation): Use SIGN_EXTEND. Make low
848 halves of (low, high) pairs unsigned if they weren't already.
849 (simplify_ternary_operation): Cast INTVAL to unsigned before
850 comparing to a MODE_BITSIZE.
852 2000-05-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
854 * aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
855 rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
857 * configure.in (gcc_AC_CHECK_DECLS): Call this instead of
858 gcc_AC_NEED_DECLARATIONS.
860 * dwarfout.c: Don't prototype time().
862 * gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
864 * system.h: Likewise.
866 * toplev.c: Likewise.
868 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
870 * c-decl.c (pushdecl): Invert sense of test for non-global types.
872 Tue May 23 18:11:42 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
874 * reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
876 2000-05-23 Jonathan Larmour <jlarmour@redhat.co.uk>
878 * config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
880 Tue May 23 06:50:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
882 * config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
883 (alpha_start_function): Never write ..ng label if VMS or NT.
884 (alpha_align_insns): Remove GP_IN_USE arg.
885 Alignment now unsigned.
886 (alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
887 * config/alpha/alpha.md (prologue_ldgp): Split into one define_expand
888 and two define_insn's.
890 2000-05-22 Richard Henderson <rth@cygnus.com>
892 * combine.c (simplify_comparison): Use trunc_int_for_mode.
894 2000-05-22 Richard Henderson <rth@cygnus.com>
896 * stor-layout.c (place_field): Change rli->size to rli->offset.
898 2000-05-22 Richard Henderson <rth@cygnus.com>
900 * function.c (thread_prologue_and_epilogue_insns): Make sure
901 existing line number notes appear after the prologue.
903 Mon May 22 21:49:00 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
905 * config/alpha/alpha.c (alpha_fnname): New static variable.
906 (print_operand, case '~'): New case.
907 (alpha_expand_prologue): Emit prologue_ldgp insn if needed.
908 (alpha_start_function): Set alpha_fnname.
909 Write "ng" label if no ldgp; don't write ldgp insn.
910 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
911 * config/alpha/alpha.md (prologue_ldgp): New define_insn.
913 Mon May 22 11:30:48 2000 Clinton Popetz <cpopetz@cygnus.com>
915 * jump.c (jump_optimize_1): Don't increment LABEL_NUSES
918 2000-05-22 Zack Weinberg <zack@wolery.cumb.org>
920 * varasm.c (eh_frame_section): Revert change to argument list.
922 Mon May 22 13:14:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
924 * optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
925 (gen_extend_insn, can_fix_p, can_float_p): Likewise.
927 * final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
928 dangling "else" that causes "break" to be conditional.
929 Also remove unneeded code at start.
931 Mon May 22 17:31:35 2000 Philippe De Muyter <phdm@macqel.be>
933 * m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
934 * fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
935 * gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
937 2000-05-22 Jakub Jelinek <jakub@redhat.com>
939 * config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
942 Mon May 22 06:57:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
944 * alias.c (record_component_aliases): New function.
945 * tree.h: Clean up some declarations and comments.
946 (record_component_aliases): New declaration.
947 * tree.c (get_alias_set): If type and has alias set, use it.
949 2000-05-22 Richard Henderson <rth@cygnus.com>
951 * simplify-rtx.c (simplify_ternary_operation): Try to simplify
952 IF_THEN_ELSE to a setcc form.
953 * jump.c (can_reverse_comparison_p): Be prepared for insn null.
955 2000-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
957 * fixinc/inclhack.def (sun_malloc): Handle `calloc'.
958 (sun_malloc, sysz_stdtypes_for_sun): Add test_text.
960 Sun May 21 16:42:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
962 * combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
965 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
967 * config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
968 * config/mn10300/mn10300.c (print_operand): Likewise.
970 * final.c (split_double): Right shift of negative values is not
973 * ifcvt.c (if_convert): Scan and kill dead code.
975 * emit-rtl.c (unshare_all_rtl): Store the copied rtx.
977 2000-05-20 Zack Weinberg <zack@wolery.cumb.org>
979 * diagnostic.c: Eliminate implicit int.
980 * except.c, gcc.c: Add static prototypes.
981 * final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
982 * gensupport.c (process_rtx): Use XVEC to initialize vector
985 * print-rtl.c: If DEBUG_REGISTER_NAMES, define static
986 debug_reg_names instead of static reg_names. If not, define
988 * regclass.c: Don't define global reg_names unless
989 DEBUG_REGISTER_NAMES is defined.
991 * reload1.c (order_regs_for_reload): Remove unused variable.
992 * varasm.c: Include output.h after defaults.h. Define
993 eh_frame_section as function of no args, not of unspecified args.
995 * gcc.c: Constify argbuf; arguments to store_arg,
996 process_command, main; elements of struct command and struct
997 switchstr; local variables in execute, process_command, main.
999 2000-05-20 Bruce Korb <bkorb@gnu.org>
1001 * fixinc/inclhack.def: many applications of c_fix=format + tests
1002 * fixinc/check.diff: regenerated
1003 * fixinc/fixincl.x: regenerated
1005 Sat May 20 09:30:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1007 * alias.c: Clarify some comments.
1008 (record_base_value): REGNO is unsigned.
1009 * rtl.h (record_base_value): Likewise.
1011 * alias.c (aliases_everything_p): Don't special-case QImode here.
1012 * c-common.c (c_get_alias_set): Do it here.
1013 Handle BIT_FIELD_REF by getting alias info for arg.
1016 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
1018 * mklibgcc.in: Restore rule to create ${dir}.
1020 Sat May 20 08:45:41 2000 H.J. Lu <hjl@gnu.org>
1022 * Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
1023 GCC_FOR_TARGET used by MULTILIBS.
1024 * mklibgcc.in: Make sure each .o file depends on the
1025 directory it will be in.
1026 Make the multilib directory depends libgcc.
1028 Sat May 20 08:29:28 2000 H.J. Lu <hjl@gnu.org>
1030 * Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
1032 Sat May 20 07:27:35 2000 Alexandre Oliva <aoliva@cygnus.com>
1034 * fold-const.c (make_range): Handle degenerated intervals.
1035 Fixes c-torture/execute/991221-1.c
1037 Fri May 19 18:16:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1039 * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
1040 * reload.c (find_equiv_reg): Likewise.
1041 * alias.c (init_alias_analysis): Likewise.
1042 Only call prologue_epilogue_contains on insns.
1043 * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
1044 * bb-reorder.c (hard-reg-set.h): Include earlier.
1045 * haifa-sched.c (hard-reg-set.h): Likewise.
1046 * ifcvt.c (hard-reg-set.h): Likewise.
1047 * local-alloc.c (hard-reg-set.h): Likewise.
1048 * loop.c (hard-reg-set.h): Likewise.
1049 * predict.c (hard-reg-set.h): Likewise.
1050 * regrename.c (hard-reg-set.h): Likewise.
1051 * flow.c (hard-reg-set.h): Likewise.
1052 (reg_set_to_hard_reg_set): New function.
1053 * bitmap.c (regs.h, basic-block.h): No longer include.
1054 (bitmap.h): Now include.
1055 * conflict.c (hard-reg-set.h): Include.
1056 * profile.c (hard-reg-set.h): Likewise.
1057 * print-rtl.c (hard-reg-set.h): Likewise.
1058 * sbitmap.c (hard-reg-set.h): Likewise.
1059 * toplev.c (hard-reg-set.h): Likewise.
1060 * unroll.c (hard-reg-set.h, basic-block.h): Likewise.
1061 * hard-reg-set.h (reg_names): Now constant.
1062 * regs.h (reg_names): Likewise.
1063 * regclass.c (reg_names): Likewise.
1064 * loop.h (basic-block.h): No longer include.
1065 (bitmap.h): Now include.
1066 * reload1.c (order_regs_for_reload): Avoid loop over reg sets.
1067 * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
1068 (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
1070 2000-05-19 Jan Hubicka <jh@suse.cz>
1071 Richard Henderson <rth@cygnus.com>
1073 * basic-block.h (struct edge_def): New field "count".
1074 (struct basic_block_def): Likewise.
1075 * flow.c (entry_exit_blocks): Add count fileds.
1076 (split_edge): Keep count information up-to-date.
1077 (dump_edge_info, dump_flow_info): Dump count fields.
1079 * final.c (count_instrumented_edges): Rename to edge from arc.
1080 (end_final): Update users.
1081 * profile.c: Include expr.h, basic-block.h.
1082 (struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
1083 (struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
1084 (ignore_next_note, return_label_execution_count): Kill.
1085 (bbg_file_name, da_file_name): Kill.
1086 (edge_info, bb_info): New structures.
1087 (EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
1088 (count_instrumented_edges, total_num_edges): Rename to edge from arc.
1089 (total_num_edges_instrumented): Likewise.
1090 (init_arc, expand_spanning_tree): Kill.
1091 (fill_spanning_tree, tablejump_entry_p): Kill.
1092 (instrument_edges): Rewrite from instrument_arcs to use
1093 commit_edge_insertions infrastructure.
1094 (compute_branch_probabilities): Remove arguments; rewrite for
1095 CFG infrastructure; use rtl_dump_file directly.
1096 (branch_prob, find_spanning_tree): Likewise.
1097 (union_groups, find_group): New.
1098 (init_branch_prob): Make bbg_file_name and da_file_name local.
1099 (end_branch_prob): Use rtl_dump_file directly.
1100 (init_edge_profiler): Rename to edge from arc.
1101 (output_arc_profiler): Kill.
1102 (gen_edge_profiler): New.
1103 (output_func_start_profiler): Turn off profiling. Make the
1104 constructor static when we can.
1105 * rtl.h (branch_prob, end_branch_prob): Update prototypes.
1107 * toplev.c (DFI_flow): Remove.
1108 (DFI_cfg, DFI_life): New.
1109 (dump_file): Update accordingly.
1110 (compile_file): Call end_branch_prob if profile_arc_flag too.
1111 (rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
1112 profiling after the CFG is built. Move flow1 life analysis to
1113 DFI_life. Always estimate remaining probabilities.
1115 2000-05-19 Richard Henderson <rth@cygnus.com>
1117 * ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
1119 * flow.c (make_edges): The sibling call edge to exit is abnormal.
1121 2000-05-19 Richard Henderson <rth@cygnus.com>
1123 * jump.c (redirect_jump): Add delete_unused argument. Don't
1124 remove labels and code following when LABEL_NUSES goes to zero.
1125 (invert_jump): Likewise.
1126 (jump_optimize_1): Fix redirect/invert arguments.
1127 (do_cross_jump, thread_jumps): Likewise.
1128 * flow.c (split_edge): Likewise.
1129 * reorg.c (optimize_skip): Likewise.
1130 (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
1131 * profile.c (instrument_arcs): Likewise.
1132 * loop.c (find_and_verify_loops): Likewise. Fix indentation.
1133 * rtl.h: Update prototypes.
1135 Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
1137 * ssa.c (convert_from_ssa): Tell life_analysis we need death
1139 (make_regs_equivalent_over_bad_edges): Only look at abnormal
1142 2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
1144 * cpphash.c (funlike_macroexpand): Make sure not to walk p1
1145 past l1 when deleting whitespace and markers.
1147 * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
1148 * cpplib.c (do_unassert): Put the list to compare against on
1151 2000-05-19 Bruce Korb <bkorb@gnu.org>
1153 * fixinc/README: cleaned up old documentation
1154 * fixinc/check.diff: regenerated & verified on OSR5 on ix86
1155 * fixinc/check.tpl: compute the list of needed directories
1156 emit "#if defined(name)" because of conflict
1157 omit machine name differences from output differences
1158 * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
1159 (machine_name): change test text to use `sed' markers
1160 * fixinc/fixincl.x: regen
1162 Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1164 * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
1167 2000-05-18 Chris Demetriou <cgd@sibyte.com>
1169 * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
1170 it to match the current practice.
1172 2000-05-18 Mark Mitchell <mark@codesourcery.com>
1174 * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
1176 2000-05-18 Richard Henderson <rth@cygnus.com>
1178 * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
1179 * rtl.h (insn_dependant_p): Declare it.
1180 * loop.c (strength_reduce): Use it.
1182 2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
1184 * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
1185 16-bit and 64-bit clean-up.
1187 2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
1189 * configure.in (*-pc-msdosdjgpp): Set float_format to none.
1190 * configure: Rebuilt.
1192 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
1194 * genopinit.c: Use $ for escape sequences in optab patterns.
1195 Remove backslashes from optab patterns. Change $A, $B, $C to
1196 expand to (int) whatever instead of just whatever; remove
1197 explicit (int) from all optab patterns.
1199 * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
1200 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
1201 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
1202 genrecog.c: Remove private copies of xmalloc, xrealloc, and
1205 2000-05-18 Richard Henderson <rth@cygnus.com>
1207 * jump.c (jump_optimize_1): Base minimum insn count during
1208 find_cross_jump on BRANCH_COST.
1210 2000-05-18 Jakub Jelinek <jakub@redhat.com>
1212 * print-rtl.c (print_rtx): Only print note line number as string
1213 if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
1214 * final.c (final_scan_insn): Do nothing for note line number 0.
1216 2000-05-18 Jakub Jelinek <jakub@redhat.com>
1218 * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
1219 from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
1220 NOTE_INSN_DELETED_LABEL.
1222 2000-05-18 Nick Clifton <nickc@cygnus.com>
1224 * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
1225 uninitialised data in .rodata not .bss, and do not interpret an
1226 error in the initialisation value as meaning that the variable
1227 should be placed in the .bss section.
1229 Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
1231 * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
1232 not `$ac_cv_prog_cc_cc_c_o'.
1233 * configure: Regenerated.
1235 2000-05-18 Chris Demetriou <cgd@sibyte.com>
1236 Richard Henderson <rth@cygnus.com>
1238 * c-common.h (enum c_tree_index): Add g77 type entries.
1239 (g77_integer_type_node, g77_uinteger_type_node): New.
1240 (g77_longint_type_node, g77_ulongint_type_node): New.
1241 * c-decl.c (init_decl_processing): Initialize them.
1243 2000-05-18 Richard Henderson <rth@cygnus.com>
1245 * config/h8300/h8300.md (subs patterns): Use %G to negate.
1247 * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
1248 (small_power_of_two): Likewise; use exact_log2.
1249 (adds_subs_operand, one_insn_adds_subs_operand): Remove.
1250 (output_adds_subs): Remove.
1251 (two_insn_adds_subs_operand): New.
1252 (split_adds_subs): New.
1253 * config/h8300/h8300-protos.h: Update.
1254 * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
1255 (CONST_OK_FOR_L): Match strict adds operands.
1256 (CONST_OK_FOR_N): Match struct subs operands.
1257 * config/h8300/h8300.md (adds_subs insns): Remove.
1258 (addhi patterns): Output adds/subs directly.
1259 (addsi_h8300h): Likewise.
1260 (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
1262 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
1264 * cppexp.c (parse_assertion): New.
1265 (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
1266 (_cpp_parse_expr): Remove case '#'. Don't set
1267 parsing_if_directive.
1268 * cpphash.c (collect_objlike_expansion,
1269 collect_funlike_expansion, collect_params,
1270 _cpp_create_definition): The list no longer has a trailing
1272 * cpphash.h (enum node_type): Add T_ASSERTION.
1273 (struct hashnode): Remove aschain, add pred.
1274 (struct predicate): New.
1277 * cpplex.c (expand_token_space): Handle both offset and
1279 (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
1280 (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
1281 _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
1282 _cpp_equiv_toklists): New.
1283 (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
1284 stop at any single-character token, not just newline.
1285 (_cpp_lex_token): Remove special cases for #define and #if.
1286 (cpp_get_token): Expect # as a separate token type. Remove
1288 (_cpp_get_directive_token): Remove DIRECTIVE case.
1289 (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
1291 * cpplib.c (_cpp_check_directive): Set dirno and
1292 SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
1293 (_cpp_handle_directive): Run # <number> through the same logic
1294 as normal directives.
1295 (do_define): Don't set parsing_define_directive. Use
1296 _cpp_scan_until. The list does not have a VSPACE at the end.
1297 (do_if): Save, clear, and restore only_seen_white around
1299 (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
1300 (do_assert, do_unassert): Rewrite.
1302 * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
1303 (LIST_OFFSET): New flag.
1304 (struct cpp_toklist): Replace dir_handler and dir_flags with
1306 (struct cpp_reader): Remove parsing_if_directive and
1307 parsing_define_directive.
1309 2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1311 * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
1312 following the cabs decl which terminate on the following line.
1313 Add the corresponding test_text case.
1315 2000-05-18 Neil Booth <NeilB@earthling.net>
1317 * cppinit.c (cpp_reader_init): Initialise col_adjust and
1318 default tab stop size.
1319 (no_num, OPT_ftabstop): New.
1320 (handle_option): Handle "ftabstop=" command-line option.
1321 (print_help): Document it.
1322 * cpplex.c (COLUMN): Remove.
1323 (handle_newline): Reset col_adjust.
1324 (skip_whitespace): Update col_adjust as tabs encountered.
1325 (_cpp_lex_line): Update to use col_adjust. Call
1326 skip_whitespace for all whitespace.
1327 * cpplib.h (struct cpp_options): New member tabstop.
1328 (struct cpp_reader): New member col_adjust.
1329 (CPP_BUF_COL): Update.
1330 (CPP_BUF_COLUMN): New.
1331 * cpp.texi: Document "-ftabstop=" command line option.
1333 Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
1335 * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
1337 * configure: Rebuilt.
1339 Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
1341 * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
1343 * tree.c (build_common_tree_nodes): Do not build TI nodes unless
1344 HOST_BITS_PER_WIDE_INT is >= 64.
1346 2000-05-17 Richard Henderson <rth@cygnus.com>
1348 * jump.c (jump_optimize_1): Remove inactive but real insns
1349 in jump-to-next-insn optimization.
1351 2000-05-17 Richard Henderson <rth@cygnus.com>
1353 * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
1354 unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
1355 Don't call recompute_reg_usage if no_new_pseudos is true.
1356 * lcm.c (optimize_mode_switching): Move ifdefs outside function.
1357 Return true if we did work; update global life information.
1358 * basic-block.h (optimize_mode_switching): Update decl.
1360 2000-05-17 Neil Booth <neilb@earthling.net>
1362 * cpplex.c (expand_name_space): Don't use ptrdiff_t.
1364 2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
1366 * cpplib.c: New feature, #pragma system_header.
1367 * cpp.texi: Document special treatment of system headers, and
1368 the various mechanisms to get a header that special treatment.
1370 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1372 * system.h (offsetof): Define at the very end, to ensure we prefer
1373 the platform's definition if available.
1375 2000-05-16 Bruce Korb <bkorb@gnu.org>
1377 * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
1378 * fixinc/server.c: likewise
1379 * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
1380 + #ifdef debugging code + use #def constant for
1382 * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
1383 on C++ math namespace
1385 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1387 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
1388 Don't check the return value of sprintf. Use asprintf to avoid
1391 Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
1393 * flags.h (warn_unused_function, warn_unused_label,
1394 warn_unused_parameter, warn_unused_variable, warn_unused_value):
1395 Replace ``warn_unused''.
1396 (set_Wunused): Add declaration.
1397 * toplev.c (set_Wunused): New function.
1398 (warn_unused_function, warn_unused_label, warn_unused_parameter,
1399 warn_unused_variable, warn_unused_value): New variables.
1400 (W_options): Add -Wunused-function, -Wunused-function,
1401 -Wunused-label, -Wunused-parameter, -Wunused-variable and
1402 -Wunused-value. Delete -Wunused. Handled in decode_W_option.
1404 * toplev.c (decode_W_option): Update -Wunused flags by calling
1406 * c-decl.c (c_decode_option): Ditto for -Wall.
1408 * stmt.c (expand_expr_stmt, expand_expr_stmt,
1409 warn_about_unused_variables): Replace warn_unused with more
1410 explicit warn_unused_value et.al.
1411 * function.c (expand_function_end): Ditto.
1412 * c-typeck.c (internal_build_compound_expr,
1413 internal_build_compound_expr): Ditto.
1414 * c-decl.c (poplevel, pop_label_level): Ditto.
1415 * toplev.c (check_global_declarations): Replace warn_unused with
1416 check for either warn_unused_function or warn_unused_variable.
1418 * gcc.1, invoke.texi (Warning Options): Document
1419 -Wunused-function, -Wunused-function, -Wunused-label,
1420 -Wunused-parameter, -Wunused-variable and -Wunused-value options.
1422 Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
1424 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
1425 $(srcdir), not in the current directory.
1427 2000-05-16 Richard Henderson <rth@cygnus.com>
1429 * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
1430 assembler supports it.
1431 (.fini, .init): Use a gp-relative indirect call.
1432 (__do_global_dtors_aux): Preserve the gp; rebundle.
1433 (__do_frame_setup): Likewise.
1434 * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
1435 (.init): Use a gp-relative indirect call.
1436 (__do_global_ctors_aux): Preserve the gp.
1438 2000-05-16 Richard Henderson <rth@cygnus.com>
1440 * flow.c (commit_one_edge_insertion): Be prepared for a return
1441 insn to be inserted on the edge with a normal jump.
1442 * jump.c (jump_optimize_1): Don't look to create return isns.
1444 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
1445 * jump.c (jump_optimize_1): Likewise.
1446 (returnjump_p): Verify the argument is a JUMP_INSN.
1447 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
1449 2000-05-16 Nick Clifton <nickc@cygnus.com>
1451 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
1452 GET_RTX_CLASS (GET_CODE ()) == 'i'.
1453 (large_insn_p): Ditto.
1454 (m32r_is_insn): New function: Return true if the insn contains
1455 an executable instruction.
1456 (m32r_adjust_insn): Use m32r_is_insn.
1457 (m32r_sched_reorder): Use m32r_is_insn.
1458 (m32r_sched_variable_issue): Use m32r_is_insn.
1460 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1462 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
1465 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
1467 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
1468 according to given options.
1470 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
1472 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
1473 if X has VOIDmode either.
1474 (LIMIT_RELOAD_CLASS): Similarly.
1476 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
1477 not "general_operand" to match the processor's capabilities.
1479 2000-05-16 Bruce Korb <bkorb@gnu.org>
1481 * fixinc/README: corrected return address
1482 * fixinc/check.diff: regenerate, now that test works
1483 * fixinc/fixfixes.c(format_fix,format_write): reformatted
1484 (char_macro_def_fix,char_macro_use_fix): corrected and
1485 rewrote to use regex to parse the text
1486 * fixinc/inclhack.def: more testing
1487 * fixinc/fixincl.x: regenerated
1489 * fixinc/inclhack.def: added several "test_text" attributes
1490 changed several fixes to use `c_fix = format'
1491 re-alphabetized the fixes
1493 * fixinc/check.diff: regenerate
1494 * fixinc/fixincl.x: regenerate
1495 * fixinc/check.tpl: added `sparc' and `netinet' to the list
1499 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
1501 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
1503 2000-05-15 Richard Henderson <rth@cygnus.com>
1505 * toplev.c (rest_of_compilation): Run full jump pass before
1506 find_basic_blocks of flow2.
1508 2000-05-15 Richard Henderson <rth@cygnus.com>
1510 * jump.c: Fix typos and clarify commentary from last change.
1511 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
1512 (safe_to_remove_jump_p): Remove.
1513 (condjump_label): Use pc_set.
1515 2000-05-15 Richard Henderson <rth@cygnus.com>
1517 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
1518 that get in the way after reload.
1519 (cond_exec_process_if_block): Skip a label heading THEN block.
1521 2000-05-15 Richard Henderson <rth@cygnus.com>
1523 * varasm.c (output_constant_pool): Abort instead of converting
1524 (improperly) deleted labels to zero.
1526 2000-05-16 Neil Booth <NeilB@earthling.net>
1528 * cpplex.c (parse_string2): Update comment.
1529 (cpp_lex_line): No special assertion treatment for '('.
1530 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
1531 * cpplib.h (SYNTAX_ASSERT): Remove.
1533 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
1535 * jump.c (condjump_p): Mark as depreached.
1536 (any_condump_p): New.
1537 (any_uncondump_p): New.
1539 (safe_to_remove_jump_p): New.
1540 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
1541 safe_to_remove_jump_p): Declare.
1543 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
1545 * calls.c: Re-install both patches reverted by last patch.
1546 (struct arg_data): New field tail_call_reg.
1547 (initialize_argument_information): Initialize tail_call_reg
1548 (load_register_parameters): New argument flags, use
1549 tail_call_reg when emiting tail call sequence.
1550 (expand_call): Update call of load_register_parameters;
1551 copy unadjusted_args_size to adjusted_args_size.
1553 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
1555 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
1556 and bct_p parameters to flags.
1557 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
1558 * rtl.h (loop_optimize): Update prototype.
1559 * toplev.c (rest_of_compilation): Update call of loop_optimize.
1561 2000-05-15 Jakub Jelinek <jakub@redhat.com>
1563 * calls.c (expand_call): Move expand_start_target_temps call after
1566 2000-05-15 Neil Booth <NeilB@earthling.net>
1568 * cpphash.c (trad_stringify, warn_trad_stringify,
1569 collect_params): Make some pointers pointers to const.
1570 * cpplex.c (auto_expand_name_space) Guaranteed to always
1571 expand by at least one character.
1572 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
1573 (struct token_spelling): Use const U_CHAR * rather than PTR.
1574 (expand_name_space): Fix up token pointers if name space
1575 is moved when expanding.
1576 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
1577 parse_string2, save_comment, spell_token, cpp_output_list):
1578 Update so the routines handle tokens with a direct pointer to
1579 their text, rather than an offset into the token's list's namebuf.
1580 (_cpp_lex_line): Rearrange for clarity.
1582 * cpplib.c (_cpp_check_directive): Similarly.
1583 (do_define): Make SYM a pointer to const.
1584 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
1585 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
1586 (TOK_OFFSET): Delete.
1589 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
1591 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
1594 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
1596 (logical_u_operand): Delete.
1597 (non_logical_cint_operand): Rewrite to take MODE into account.
1598 (non_logical_u_cint_operand): Delete.
1599 (boolean_operator): New function.
1600 (print_operand): Add new %q operand.
1601 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
1602 remove logical_u_operand and non_logical_u_cint_operand,
1603 update logical_operand and non_logical_cint_operand.
1604 * config/rs6000/rs6000.md: Rewrite the patterns for performing
1605 logical operations to use %q.
1607 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
1608 (movdi): Make similar to movsi.
1609 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
1610 is no such thing as a DImode CONST_DOUBLE.
1611 * config/rs6000/rs6000.c (output_toc): Likewise.
1613 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
1614 codes when old mnemonics are in use. Print register names
1615 for cc registers when requested.
1617 * optabs.c (expand_float): Don't allow mode widening that causes
1620 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
1621 flags to their current names -maix64 and -maix32.
1623 2000-05-14 Bruce Korb <bkorb@gnu.org>
1625 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
1626 and/or after current text of file
1627 * fixinc/fixlib.c(must_malloc):
1628 * fixinc/fixlib.h(must_malloc): + reformatting
1629 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
1630 with usages of ``c_fix = wrap;''
1631 Add several tests and use the ``c_fix = format'' fixer more.
1632 * fixinc/fixincl.x: regen
1633 * fixinc/check.diff: regen
1634 * fixinc/check.tpl: emit the associated header with the missing
1637 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
1639 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
1640 variables $src and $dst.
1642 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
1644 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
1645 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
1646 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
1647 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
1649 (set_message_prefixing_rule): Declare.
1651 * diagnostic.c: (current_prefixing_rule): New variable.
1652 (set_message_prefixing_rule): Define.
1653 (output_set_prefix): Adjust buffer->emitted_prefix_p.
1654 (init_output_buffer): Adjust Initialization.
1655 (output_emit_prefix): Rewrite. Take prefixing rules into account.
1657 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
1659 * ifcvt.c (if_convert): Do not free NULL.
1661 2000-05-12 Nick Clifton <nickc@cygnus.com>
1663 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
1664 to move a double word value.
1665 (di_operand): New function: Return true if the operand is suitbale
1666 for a double word move operation.
1667 (nonimmediate_di_operand): New function: Return true if the
1668 operand is a DImode register or MEM.
1670 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
1671 nonimmediate_di_operand.
1673 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
1674 nonimmediate_di_operand.
1676 * config/fr30/fr30.md (movdi): New pattern. Required because
1677 other patterns generate DImode results.
1678 (movdi_insn): New pattern.
1680 2000-05-12 Richard Henderson <rth@cygnus.com>
1682 * config/alpha/alpha.c (struct shadow_summary): Define
1683 bitfields as type unsigned int.
1685 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
1687 * config/avr/t-avr: Added definition of FLOAT while generates
1690 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
1691 peepholes for tst+jump = sbrs/sbrc optimization.
1693 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
1695 * expr.c (emit_push_insn): Do not adjust stack pointer when
1698 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
1700 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
1701 * system.h (offsetof): ... to here.
1703 2000-05-12 Richard Henderson <rth@cygnus.com>
1705 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
1706 * final.c (final_end_function): Use app_disable. Rearrange note
1707 handling into a switch. Emit deleted labels.
1708 (output_asm_label): Generate label strings for deleted labels.
1709 * flow.c (tail_recursion_label_list): New.
1710 (find_basic_blocks_1): Set label_value_list directly. Collect list
1711 of tail recursion labels from call_placeholders. Don't add deleted
1712 labels to the label value list.
1713 (cleanup_cfg): Use free_EXPR_LIST_list.
1714 (flow_delete_insn_chain): Turn non-removable labels into notes.
1715 (flow_delete_block): Don't disable deleting the block because of
1716 a non-removable label.
1717 (tail_recursion_label_p): New.
1718 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
1720 (merge_blocks_move_successor_nojumps): Likewise. Also move a
1722 (merge_blocks): Disable a merge because of tail recursion labels.
1723 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
1724 Use a more accurate measure of not merging the join block.
1725 (find_if_block): Don't disable conversion because of a label.
1726 (find_if_case_1, find_if_case_2): Likewise.
1727 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
1728 element when copying.
1729 (squeeze_notes): Also leave EH notes.
1730 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
1732 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
1734 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
1735 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
1736 referring to a deleted label. Convert tail handling to a switch.
1737 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
1738 for NOTE_INSN_DELETED_LABEL.
1739 (NOTE): Fix commentary.
1740 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
1741 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
1742 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
1743 (LABEL_NUSES, LABEL_REFS): Likewise.
1744 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
1746 2000-05-12 Bruce Korb <bkorb@gnu.org>
1748 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
1749 * fixinc/check.diff: updated
1750 * fixinc/inclhack.def: corrected & added some test_text-s
1751 * fixinc/genfixes: removed unneeded options to autogen invocation
1752 * fixinc/fixincl.tpl: Specified the output file
1753 * fixinc/fixfixes.c: visual appearance
1754 * fixinc/fixincl.x: regenerate
1756 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
1758 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
1759 CTRL_defn_fix): Delete.
1760 (fix_char_macro_defines, fix_char_macro_uses): Rename to
1761 char_macro_def_fix and char_macro_use_fix, respectively. Put
1762 them into the FIXUP_TABLE. Get the string to search for from
1765 (format_write): New function.
1766 (format_fix): Use it.
1768 (FIX_PROC_HEAD): Constify text parameter.
1769 (machine_name_fix): Constify all char *s.
1770 * fixtests.c (skip_quote): Remove double static.
1772 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
1773 ctrl_use_quotes): Update for new scheme.
1774 * fixincl.x: Regenerate.
1776 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
1778 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
1780 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
1781 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
1783 2000-05-11 Robert Lipe <robertlipe@usa.net>
1785 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
1786 * fixincl.x: Regenerate.
1788 2000-05-11 Richard Henderson <rth@cygnus.com>
1790 * calls.c: Revert both 05-09 patches.
1792 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
1794 * config/mn10300/mn10300.c (print_operand): Print FP constants in
1796 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
1799 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
1800 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
1802 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
1804 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
1806 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
1808 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
1810 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
1812 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
1813 * config/avr/avr.c (jump_over_one_insn_p): New function.
1814 * config/avr/avr.md: New peepholes added. Output test and
1815 conditional jump to "sbrc" or "sbrs" command.
1817 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
1819 * cppmain.c (main): Use IS_DIR_SEPARATOR.
1821 2000-05-11 Jakub Jelinek <jakub@redhat.com>
1823 * except.c (find_exception_handler_labels_1): New function.
1824 (find_exception_handler_labels): Split into two functions, dive
1825 into CALL_PLACEHOLDERs when looking for exception handler labels.
1827 2000-05-11 Stan Cox <scox@cygnus.com>
1829 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
1830 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
1831 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
1833 2000-05-11 Bruce Korb <bkorb@gnu.org>
1835 * fixinc/fixfixes.c (double_slash_fix): obsolete
1836 (else_endif_label_fix): obsolete
1837 (format_fix): new, unused as yet
1839 * fixinc/fixlib.h: added fix description struct for use by format_fix
1840 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
1841 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
1842 modules. Removed the vestiges of the script version.
1843 Added support for "make check".
1844 * fixinc/check.diff: base diff file (needs work!!)
1845 * fixinc/check.tpl: quiet the fixup output
1846 * fixinc/fixtests.c (main): obsolete
1847 * fixinc/fixincl.sh: don't bother copying fixincl to ..
1848 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
1850 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
1852 * toplev.c (rest_of_compilation): Remove dead code after
1855 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
1857 * cpphash.c (collect_funlike_expansion): Make "# is not
1858 followed by a macro argument name" a pedwarn, not an error.
1859 Preserve the # in the output. Suppress the warning if lang_asm.
1861 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
1863 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
1864 * configure: Rebuilt.
1866 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
1868 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
1870 2000-05-10 Kazu Hirata <kazu@hxi.com>
1872 * combine.c (try_combine): Fix a typo.
1874 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
1876 * config/ia64/ia64.md (insv): Add comment.
1878 2000-05-10 Richard Henderson <rth@cygnus.com>
1880 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
1881 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
1882 dependancies on FPBIT and DPBIT.
1884 2000-05-10 Nick Clifton <nickc@redhat.com>
1886 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
1887 when optimising for size.
1888 (mark_used_regs:) Ditto.
1889 (try_pre_increment_1): Ditto.
1891 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
1893 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
1894 Make error message friendlier.
1896 * cpphash.h (struct hashnode): Use struct hack for name
1898 * cpphash.c (struct hashdummy): New.
1899 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
1900 (make_HASHNODE): No need to set ->name pointer. Correct
1902 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
1904 2000-05-10 Richard Henderson <rth@cygnus.com>
1906 * flow.c (find_basic_blocks_1): Remove any spare bb_note
1909 2000-05-10 Bruce Korb <bkorb@gnu.org>
1911 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
1913 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
1915 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
1916 after we enter .debug.
1918 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
1920 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
1921 abstract instance of a nested inline function.
1923 * stor-layout.c (finish_record_layout): finalize_type_size
1924 before laying out the pending_statics.
1926 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
1928 * cpplex.c (spell_token): New function.
1929 (spell_string, spell_comment, spell_name): fold into
1932 (E, H): Remove macros.
1933 (save_comment): Save comment opening characters too.
1934 (_cpp_lex_file): Update to use spell_token. Tidy up comment
1936 * cpplib.h (I, S): Add macros.
1937 (E, H): Remove macros.
1938 (TTYPE_TABLE): Update entries for new speller.
1939 (SYNTAX_ASSERT): Remove.
1941 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
1943 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
1944 when removing escaped newlines. Reverse sense of test for
1947 2000-05-09 Richard Henderson <rth@cygnus.com>
1949 * flow.c (find_basic_blocks_1): Do not delete the first
1950 bb_note we run across.
1951 (create_basic_block): Use reorder_insns to move an existing
1952 bb_note to the correct place.
1954 2000-05-09 Richard Henderson <rth@cygnus.com>
1956 * calls.c (expand_call): Increment currently_expanding_call
1957 before calling optimize_tail_recursion.
1959 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1961 * reload1.c (reload_combine): Fix errors in last change.
1963 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
1965 * gcc.c (used_arg): Skip over a semicolon at the end of the
1966 split-up loop; don't break out of it.
1968 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
1969 (tree.o): Depend on output.h.
1971 * c-decl.c (pending_invalid_xref_file,
1972 current_function_prototype_file): Constify.
1973 (pushdecl): Constify a local char *.
1974 (define_label): Constify filename parameter.
1975 * c-lex.c (init_parse): Constify parameter and return value.
1976 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
1977 * c-tree.h: Update prototypes.
1978 * c-parse.in: Constify filename member of %union, and if_stmt_file.
1979 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
1980 objc/objc-parse.c: Regenerate.
1982 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
1983 * dwarfout.h: Update prototypes.
1984 * expr.c (expand_expr): Constify a local char *.
1985 * flags.h: Constify main_input_filename.
1986 * function.c (expand_function_end): Constify filename parameter.
1987 * genrecog.c (make_insn_sequence): Use a character array for
1989 (main): Remove unused variables.
1990 * input.h: Constify input_filename, main_input_filename, and
1991 file_stack.name. Update prototypes.
1992 * output.h: Declare first_global_object_name and
1993 weak_global_object_name here, as const char *.
1994 * stmt.c (expand_asm_operands): Constify filename parameter.
1995 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
1996 Constify filename parameter.
1997 (input_filename, main_input_filename): Constify.
1998 * toplev.h: Update prototypes.
1999 * tree.c: Include output.h. Don't declare
2000 first_global_object_name or weak_global_object_name. Clean up string
2001 bashing in get_file_function_name_long.
2002 * tree.h (struct tree_decl): Constify filename member.
2003 (input_filename): Constify.
2005 * varasm.c (first_global_object_name, weak_global_object_name):
2007 (assemble_start_function, assemble_variable): Clean up string bashing.
2009 * gcc.c: Constify all spec-related strings initialized,
2010 transitively, from string constants. Constify all strings
2011 and string variables related to multilibs.
2012 (set_spec, read_specs): Cast argument to free to PTR.
2013 (used_arg): Do not modify multilib_matches. Use strncmp plus
2014 length comparison to compare multilib switches.
2015 * genmultilib: Constify everything declared in multilib.h.
2017 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
2019 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
2022 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
2024 * config/avr/avr-protos.h (extra_constraint): change a type of
2025 second argument from char to int to avoid warnings.
2026 (asm_output_byte): Likewise.
2028 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
2029 (initial_elimination_offset): Handle elimination from
2030 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
2031 (legitimate_address_p): Use MAX_LD_OFFSET.
2032 (legitimize_address): Likewise.
2033 (out_movqi_r_mr): Likewise.
2034 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
2035 (out_movsi_r_mr): Use MAX_LD_OFFSET.
2036 (out_movsi_mr_r): Likewise.
2037 (out_movqi_mr_r): Likewise.
2038 (out_movhi_mr_r): Likewise.
2039 (notice_update_cc): Correct CC for the ashrqi3 with the shift
2040 count as CONST_INT != 6.
2041 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
2042 shift count is a CONSTANT_P, but not a CONST_INT.
2043 (ashlhi3_out): Coding style modifications.
2044 (ashlsi3_out): Likewise.
2045 (ashrhi3_out): Likewise.
2046 (ashrsi3_out): Likewise.
2047 (lshrhi3_out): Likewise.
2048 (lshrsi3_out): Likewise.
2049 (ashrqi3_out): Generate shift for any known constant count without
2050 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
2051 but not a CONST_INT.
2052 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
2053 shift count is a CONSTANT_P, but not a CONST_INT.
2054 (extra_constraint): change a type of
2055 second argument from char to int to avoid warnings.
2056 (asm_output_byte): Likewise.
2057 (asm_file_end): Output size generated commands count as a hex
2060 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
2062 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
2064 (ashlqi3): Values of "length" attribute changed. Shift count
2065 uses constraints 'n' instead of 'i'.
2066 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
2067 shifts without clobber register.
2068 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
2069 (call_insn): Correct test for which_alternative == 1 (was 0).
2070 (call_value_insn): Likewise.
2072 * config/avr/t-avr: Remove definition of FLOAT while generates
2075 2000-05-09 Bruce Korb <bkorb@gnu.org>
2077 * fixinc/check.tpl: Template for checking fixes
2078 * fixinc/inclhack.def: Added 'test_text' for many fixes
2079 disable hpux8_bogus_inlines on SCO
2080 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
2082 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
2084 * calls.c (expand_call): Reorganize somewhat in order
2085 to avoid unnecesary recalculation inside loop and make
2086 tail call failure code cleaner.
2088 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2090 * alias.c (nonlocal_reference_p): Minor reformatting.
2091 * reload.c (find_equiv_reg): Simplify logic for
2092 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
2093 some some reformatting.
2094 * reload1.c (reload_combine): Don't assume everything in
2095 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
2097 2000-05-08 Richard Henderson <rth@cygnus.com>
2099 * final.c (current_insn_predicate): New.
2100 (final_scan_insn): Set it.
2101 * output.h (current_insn_predicate): Declare.
2103 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
2104 Attach it to call insns.
2105 (cond_exec_process_if_block): Track probability for true and
2107 (dead_or_predicable): Likewise.
2109 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
2110 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
2111 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
2112 (estimate_probability, expected_value_to_br_prob): Use them.
2114 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
2115 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
2116 (ia64_expand_prediction): New.
2117 (emit_insn_group_barriers): Don't look at notes. Emit barriers
2118 as needed after calls.
2119 (ia64_epilogue_uses): Mark b0 used.
2120 * config/ia64/ia64.md (beq_true, beq_false): Remove.
2121 (bne_true, bne_false): Remove.
2122 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
2123 (br_true, br_false): New. Use predicate_operator and
2124 ia64_expand_prediction.
2125 (return_true, return_false): Likewise.
2126 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
2127 (call_internal1, call_value_internal): Likewise.
2128 (call_value_internal1, call_multiple_values_internal1): Likewise.
2130 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
2132 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
2134 2000-05-08 Richard Henderson <rth@cygnus.com>
2136 * rtlanal.c (may_trap_p): Consider old-style and volatile
2139 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
2141 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
2143 2000-05-08 Richard Henderson <rth@cygnus.com>
2145 * config/ia64/ia64.h (predicate_operator): Declare.
2147 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
2150 * gensupport.c (process_rtx): Copy and post-process each member
2151 of the define_insn rtvec individually.
2153 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
2155 * cpplex.c (spell_token): New function.
2156 (TOKEN_LEN): Add 1 for whitespace.
2157 (_cpp_lex_file): Update to use spell_token.
2158 * cpplib.h (E): Remove.
2159 (TTYPE_TABLE): Update CPP_VSPACE entry.
2161 2000-05-08 Richard Henderson <rth@cygnus.com>
2163 * flow.c (init_propagate_block_info): Watch out for conditional
2164 branch to next instruction, and thus one outgoing edge.
2166 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
2167 for global register variables; don't special case __[CD]TOR_LIST__;
2168 mind ggc_p for string allocation.
2170 2000-05-08 Nick Clifton <nickc@cygnus.com>
2172 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
2174 2000-05-08 Bruce Korb <bkorb@gnu.org>
2176 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
2177 i?86-*-msdosdjgpp* no longer uses fixincludes
2178 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
2179 * fixinc/inclhack.sh: deleted
2180 * fixinc/hackshell.tpl: deleted
2181 * fixinc/inclhack.tpl: deleted
2182 * fixinc/Makefile.in: Remove dependencies on above
2183 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
2185 2000-05-08 Andreas Jaeger <aj@suse.de>
2187 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
2190 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
2192 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
2195 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
2197 * cpplex.c: Move new lexer definitions and prototypes
2198 to top. Conditional include these and the code if
2199 NEW_LEXER is defined. Rename functions whose names
2200 clash if this code included.
2202 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
2204 * rtl.def (COND_EXEC): Clarify.
2206 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
2207 same fashion as zero_extendsidi2.
2209 2000-05-06 Richard Henderson <rth@cygnus.com>
2211 * config/ia64/ia64.c (predicate_operator): New.
2212 (ia64_print_operand): Handle 'J'.
2213 (rtx_needs_barrier): Handle COND_EXEC.
2214 * config/ia64/ia64.h (BRANCH_COST): Define.
2215 (PREDICATE_CODES): Update.
2216 * config/ia64/ia64.md: Docuement used unspec values.
2217 (attr predicable): New.
2218 (movxf, movxf_internal): New.
2219 (extendsfdf2): Don't comment out nop.
2220 (floatdidf2): Remove.
2221 (truncxfsf2, truncxfdf2, floatdixf2): New.
2222 (abssi2, absdi2): Put the neg in the "true" slot.
2223 (conditional branch instructions): Mark not predicable.
2224 (cmov*_internal): Use predicate_operator. Split to cond_exec.
2225 (abs*_internal): Likewise.
2226 (alloc, set_bsp): Mark not predicable.
2227 (barrier, insn_group_barrier, flush_cache): Likewise.
2228 (define_cond_exec): New.
2230 2000-05-06 Richard Henderson <rth@cygnus.com>
2232 * c-decl.c: Include "tm_p.h".
2234 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
2235 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
2236 (ia64_expand_op_and_fetch): Declare.
2237 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
2238 (setjmp_operand): Constify variables for XSTR.
2239 (ia64_encode_section_info): Likewise.
2240 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
2242 (ia64_asm_output_external): Constify name.
2243 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
2244 (process_for_unwind_directive): Provide switch default.
2245 (ia64_expand_compare_and_swap): Remove unused variables.
2246 (ia64_expand_builtin): Likewise.
2247 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
2250 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
2251 (symbolic_operand, function_operand, setjmp_operand): Likewise.
2252 (shift_count_operand, shift_32bit_count_operand): Likewise.
2253 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
2254 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
2255 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
2256 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
2257 (ia64_expand_builtin): Likewise.
2258 (call_multiple_values_operation): Make dest_regno unsigned.
2260 2000-05-06 Richard Henderson <rth@cygnus.com>
2262 * rtl.def (DEFINE_COND_EXEC): New.
2263 * md.texi: Document it.
2265 * gensupport.c (input_file): Remove.
2266 (struct queue_elem): Add lineno.
2267 (rtx_ready_queue): Remove.
2269 (predicable_default): New.
2270 (predicable_true, predicable_false): New.
2271 (define_attr_queue, define_attr_tail): New.
2272 (define_insn_queue, define_insn_tail): New.
2273 (define_cond_exec_queue, define_cond_exec_tail): New.
2274 (other_queue, other_tail): New.
2275 (queue_pattern): New.
2276 (process_rtx): Add patterns to the appropriate queues.
2277 (is_predicable, identify_predicable_attribute): New.
2278 (n_alternatives, collect_insn_data): New.
2279 (alter_predicate_for_insn, alter_test_for_insn): New.
2280 (shift_output_template, alter_output_for_insn): New.
2281 (process_one_cond_exec, process_define_cond_exec): New.
2282 (init_md_reader): Read the entire file. Process define_cond_exec.
2283 (read_md_rtx): Return elements from the queues.
2285 2000-05-06 Richard Henderson <rth@cygnus.com>
2287 * flow.c (mark_set_1): Don't update conditional life info
2288 if the register is not_dead.
2290 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
2292 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
2293 (mostlyclean): Also delete fixincl, fixinc.sh, and
2294 specs.ready, and make clean in the fixinc subdir.
2296 2000-05-06 Richard Henderson <rth@cygnus.com>
2298 * Makefile.in (gensupport.o): Compile for the host.
2299 (host-prefix gensuuprt.o): Remove.
2300 (genflags.o): Depend on gensupport.h and OBSTACK_H.
2301 (genattrtab.o): Likewise.
2302 (gencodes.o): Depend on gensupport.h.
2303 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
2304 (genpeep.o, genattr.o, genoutput.o): Likewise.
2306 * gensupport.c (obstack, rtl_obstack): New.
2307 (init_md_reader): Initialize rtl_obstack.
2308 * gensupport.h (rtl_obstack): Declare.
2309 (message_with_line): Declare.
2311 * genattr.c: Remove all traces of obstack manipulation.
2312 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
2313 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
2315 * genattrtab.c (obstack, rtl_obstack): Remove.
2316 (main): Don't init rtl_obstack.
2317 * genflags.c: Likewise.
2319 * genrecog.c (message_with_line): Move ...
2320 * gensupport.c: ... here.
2322 2000-05-06 Richard Henderson <rth@cygnus.com>
2324 * c-typeck.c (build_c_cast): Remove dead code.
2326 2000-05-06 Richard Henderson <rth@cygnus.com>
2328 * flow.c (split_edge): Don't allocate global_live_at_start for
2329 the new block unless the old blocks had them as well.
2331 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
2333 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
2334 test_bb if a or b uses x.
2336 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
2338 * cpphash.h: Remove conditional #define of __extension__.
2339 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
2340 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
2341 (ENABLE_RTL_CHECKING only).
2342 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
2343 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
2344 (ENABLE_TREE_CHECKING only).
2345 * varray.h: Add __extension__ to VARRAY_CHECK macro
2346 (ENABLE_CHECKING only).
2348 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2350 Use new tail-calling mechanism on ARM.
2351 * arm.md (sibcall, sibcall_value): New expands.
2352 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
2353 (tailcalling peepholes): Delete.
2354 (push_multi): Simplify.
2355 * arm.c (lr_save_eliminated): Delete definition.
2356 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
2357 (output_return_instruction): Remove checks on lr_save_eliminated.
2358 (output_arm_prologue): Remove old tail-calling code.
2359 (arm_output_epilogue): New parameter, really_return. All callers
2360 changed. Handle tail-calling epilogues.
2361 * arm.h (lr_save_eliminated): Delete declaration.
2362 (frame_pointer_needed): Delete declaration.
2363 * arm-protos.h (arm_output_epilogue): Adjust prototype.
2365 * arm.md (is_thumb): Examine symbol thumb_code, not expression
2367 * arm.c (thumb_code): Define it.
2368 (arm_override_options): Set it.
2369 * arm.h (thumb_code): Declare it.
2371 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2373 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
2375 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2377 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
2378 bogus clobber to insns.
2379 (load_multiple_operation, store_mulitple_operation): Don't check
2381 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
2383 * arm.md (and_scc, ior_scc): Add missing mode.
2385 * arm.md (call_value_symbol): Remove predicate from op2.
2387 * arm.h (SPECIAL_MODE_PREDICATES): Define.
2389 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2391 * expr.c (get_subtarget): New function.
2392 (force_operand, expand_expr, do_store_flag): Use it.
2394 * toplev.c (compile_file): Don't take strlen of NAME if null.
2396 2000-05-06 David Edelsohn <edelsohn@gnu.org>
2398 * xcoffout.c (xcoff_current_include_file,
2399 xcoff_current_function_file, xcoff_lastfile): Constify char *.
2400 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
2402 (xcoffout_declare_function): Make name 'const char *'.
2403 (xcoffout_end_epilogue): Make fname 'const char *'
2404 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
2405 xcoffout_declare_function, xcoffout_source_line): Match above.
2407 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
2409 * rs6000.c (print_operand): Fix lossage typo.
2410 (output_cbranch): Remove "cr" decoration for now.
2411 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
2413 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
2415 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
2418 2000-05-05 Bruce Korb <bkorb@gnu.org>
2420 * fixinc/genfixes: Improve the matching for make target names
2422 2000-05-05 Catherine Moore <clm@cygnus.com>
2424 * c-common.c (decl_attributes): For TYPE_DECLs attach the
2425 attribute to the decl.
2426 * c-decl.c (pushdecl): Propagate the USED attribute to the
2429 2000-05-05 Richard Henderson <rth@cygnus.com>
2431 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
2432 same way emit_group_load does.
2434 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
2436 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
2438 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
2441 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
2443 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
2445 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
2447 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
2448 to support -shared, on platforms with dynamic libraries.
2450 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
2452 * system.h (S_ISBLK): Provide fallback definition.
2454 2000-05-05 Geoff Berry <geoffb@bops.com>
2456 * extend.texi (Extended Asm): Document inability to give asm
2457 statements access to condition codes.
2459 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
2461 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
2462 as arg 2 of UNIQUE_SECTION.
2464 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
2466 * predict.c: Remove May 4 change.
2467 * bb-reorder.c (make_reorder_chain): Do not perform block movement
2468 if we have predicted the branch at 50-50 probability.
2470 2000-05-05 Richard Henderson <rth@cygnus.com>
2472 * flow.c (init_propagate_block_info): Fix merge error
2473 in HAVE_conditional_execution code.
2475 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
2477 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
2478 shift cycle for unknown shift count. Also generates dec + brpl.
2479 (ashlqi3_out): Don't generate dec + brpl which now generates by
2480 `out_shift_with_cnt'.
2481 (ashlhi3_out): Likewise.
2482 (ashlsi3_out): Likewise.
2483 (ashrqi3_out): Likewise.
2484 (ashrhi3_out): Likewise.
2485 (ashrsi3_out): Likewise.
2486 (lshrqi3_out): Likewise.
2487 (lshrhi3_out): Likewise.
2488 (lshrsi3_out): Likewise.
2490 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
2492 * gcc.c (free_split_directories): Correct typo in explanation
2493 of make_relative_prefix.
2495 2000-05-04 Geoff Keating <geoffk@cygnus.com>
2497 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
2498 comparison codes to branch_comparison_operator.
2500 2000-05-04 Richard Henderson <rth@cygnus.com>
2502 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
2504 2000-05-04 Richard Henderson <rth@cygnus.com>
2506 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
2507 (DPBIT_FUNCS): Remove _sf_to_usi.
2508 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
2510 * ifcvt.c (noce_process_if_block): Fail if A or B modified
2511 between condition and jump.
2513 * libgcc2.c (near eh_context_specific): Comment #endif string.
2514 * longlong.h: Don't use strings with embedded newlines.
2516 2000-05-04 Geoff Keating <geoffk@cygnus.com>
2518 * config/rs6000/rs6000-protos.h: Add output_cbranch.
2519 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
2520 (print_operand): Delete %t and %T codes.
2521 (output_cbranch): New function. Support branch prediction.
2522 * config/rs6000/rs6000.md: Use output_cbranch for
2523 conditional branches and returns.
2525 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
2527 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
2528 * stor-layout.c (place_field): Likewise.
2529 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
2530 * expr.c (store_expr): Make align unsigned.
2531 * explow.c (plus_constant_wide): Make low words unsigned.
2532 * expmed.c (choose_multiplier): Likewise.
2533 * fold-const.c (fold): Likewise.
2534 * tree.h (build_int_2): Likewise.
2535 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
2536 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
2537 (init_emit): Change cast to unsigned char*.
2538 * varasm.c (compare_constant_1): Add cast to char*.
2539 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
2540 * reload1.c (reload): Likewise.
2542 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
2544 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
2546 * predict.c (estimate_probability): If no prediction was found, then
2547 predict the successor that is the next physical block (if such a
2550 2000-05-04 Richard Henderson <rth@cygnus.com>
2552 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
2554 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2556 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
2558 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
2560 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
2561 attribute macros from here ...
2562 (CPP_SPEC): to here.
2563 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
2564 (CPP_SPEC): Likewise.
2565 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
2567 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
2568 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
2570 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2572 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
2574 * diagnostic (vbuild_message_string, build_message_string,
2575 build_location_prefix, output_get_prefix, init_output_buffer,
2576 output_notice, vline_wrapper_message_with_location,
2577 v_message_with_decl, default_print_error_function): De-constify.
2578 (set_real_maximum_length): Prototype.
2580 * diagnostic.h (struct output_buffer, init_output_buffer,
2581 output_get_prefix, output_set_prefix): De-constify.
2583 * function.c (init_function_start): Constify.
2585 * gensupport.c (remove_constraints, process_rtx): Prototype.
2587 * gthr-posix.h: Indent uses of #pragma.
2589 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
2592 * predict.c (find_expected_value): Delete prototype.
2593 (expected_value_to_br_prob): Initialize variable `ev_reg'.
2595 * sbitmap.h (debug_sbitmap): Prototype.
2597 * ssa.c (compute_coalesced_reg_partition): Prototype.
2599 * stor-layout.c (debug_rli): Prototype.
2601 * tree.h (round_down): Prototype.
2602 (init_function_start): Constify.
2604 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
2606 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
2607 (overly conservative). Change extern inline wrappers to
2608 static inline, define them always, use PARAMS properly.
2609 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
2610 whitespace warnings for \f and \v at the beginning of a line.
2612 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
2614 * haifa-sched.c (schedule_insns): Free the flow edge list when it
2617 2000-05-04 Bruce Korb <bkorb@gnu.org>
2619 * fixincl/inclhack.def: added broken_cabs -
2620 Remove `extern double cabs' declarations from math.h
2621 * fixincl/inclhack.sh: regen
2622 * fixincl/fixincl.x: regen
2623 * fixincl/fixincl.c: Remove BOGOSITY code
2624 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
2626 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2628 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
2630 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
2631 when calling MEM_COPY_ATTRIBUTES.
2632 * emit-rtl.c (operand_subword, change_address): Likewise.
2633 * explow.c (stabilize): Likewise.
2634 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
2635 * integrate.c (copy_rtx_and_substitute): Likewise.
2636 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
2637 when calling MEM_COPY_ATTRIBUTES.
2638 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
2640 * cse.c (gen_lowpart_if_possible): Likewise.
2641 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
2642 * optabs.c (gen_move_insn): Likewise.
2643 * recog.c (validate_replace_rtx_1): Likewise.
2644 * simplify-rtx.c (add_mem_for_addr): Likewise.
2645 * stmt.c (expand_anon_union_decl): Likewise.
2646 * config/arm/arm.md: Likewise.
2647 * config/h8300/h7300.c (fix_bit_operand): Likewise.
2648 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
2649 (block_move_no_loop, block_move_sequence): Likewise.
2650 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
2651 * config/alpha/alpha.c (get_aligned_mem): Likewise.
2652 Clear MEM_ALIAS_SET.
2653 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
2654 MEM_COPY_ATTRIBUTES.
2656 2000-05-03 Robert Lipe <robertlipe@usa.net>
2658 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
2659 to suppress libgcc1.
2660 (i[34567]86-*-sco3.2v5*) Likewise.
2661 (i[34567]86-*-sco3.2v4*) Likewise.
2662 (i[34567]86-*-sco) Likewise.
2663 (i[34567]86-*-solaris2) Likewise.
2664 (i[34567]86-*-sysv5*) Likewise.
2665 (i[34567]86-*-sysv4*) Likewise.
2666 (i[34567]86-*-udk*) Likewise.
2667 (i[34567]86-*-sysv*) Likewise.
2669 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
2671 * cpphash.h (U): New define, to correct type of string constants.
2672 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
2673 routines, to do casts when passing unsigned strings to libc.
2674 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
2676 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
2677 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
2678 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
2679 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
2680 second argument an U_CHAR *.
2682 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
2683 length field, clean up initializer.
2684 (ISTABLE): Add __extension__ to designated-
2685 initializers version.
2686 * cpplex.c (CHARTAB): Likewise.
2688 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
2689 case so the file won't be empty.
2691 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
2693 * bb-reorder.c (struct reorder_block_def): Member succ removed.
2694 (REORDER_BLOCK_SUCC): Removed.
2695 (enum reorder_skip_type): Removed.
2696 (skip_insns_between_block): Renamed to skip_insns_after_block.
2697 Removed second argument. Removed dead code and cleaned up.
2698 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
2699 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
2700 second parameter to skip_insns_after_block.
2702 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2704 * tree.c (staticp, case LABEL_DECL): New case.
2706 2000-05-03 Richard Henderson <rth@cygnus.com>
2708 * Makefile.in (start.encap): Do not depend on LIBGCC1.
2710 * mklibgcc1.in: Fix typo last change.
2712 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
2714 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
2715 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
2716 (GCC_CFLAGS): Use it.
2717 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
2718 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
2719 objc/Make-lang.in: Use it.
2721 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
2723 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
2725 2000-05-03 Richard Henderson <rth@cygnus.com>
2727 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
2728 LIBGCC1 empty with libgcc1.null.
2730 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
2732 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
2735 2000-05-03 Greg McGary <gkm@gnu.org>
2737 * tree.h (tree_common): Add bounded_flag member. Remove
2738 inaccurate comment about number of remaining bits.
2739 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
2740 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
2741 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
2742 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
2743 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
2744 (TYPE_QUAL_BOUNDED): New constant.
2745 (TYPE_QUALS): Handle bounded qualifier.
2746 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
2747 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
2748 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
2749 TYPE_AMBIENT_BOUNDEDNESS): New macros.
2750 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
2751 (tree_type): Add pointer_depth member. Remove
2752 inaccurate comment about number of remaining bits.
2753 (DECL_POINTER_DEPTH): Add macro.
2754 (tree_decl): Add pointer_depth member.
2756 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
2758 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
2759 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
2760 (lshrhi3_out): Likewise.
2761 (ashrsi3_out): bugfix in shift by 8.
2762 (test_hard_reg_class): New function.
2763 * config/avr/avr.md: Bugfix inside conditions in peepholes.
2764 (ashlhi3): removed define_expand of this pattern.
2765 (*ashlhi3_insn): renamed to ashlhi3.
2766 (ashlsi3): removed define_expand of this pattern.
2767 (*ashlsi3_insn): renamed to ashlsi3.
2768 (ashrqi3): removed define_expand of this pattern.
2769 (*ashrqi3_insn): renamed to ashrqi3.
2770 (ashrhi3): removed define_expand of this pattern.
2771 (*ashrhi3_insn): renamed to ashrhi3.
2772 (ashrsi3): removed define_expand of this pattern.
2773 (*ashrsi3_insn): renamed to ashrsi3.
2774 (lshrhi3): removed define_expand of this pattern.
2775 (*lshrhi3_insn): renamed to lshrhi3.
2776 (lshrsi3): removed define_expand of this pattern.
2777 (*lshrsi3_insn): renamed to lshrsi3.
2779 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
2781 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
2782 inclusion of "system.h".
2784 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
2786 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
2789 2000-05-03 David Mosberger <davidm@hpl.hp.com>
2791 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
2792 if -mauto-pic is on.
2793 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
2794 -mconstant-gp is in effect and function-descriptors are being used
2795 to make indirect calls.
2796 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
2797 (MASK_AUTO_PIC): Ditto.
2798 (TARGET_CONST_GP): Ditto.
2799 (TARGET_AUTO_PIC): Ditto.
2800 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
2801 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
2802 -mno-pic is in effect.
2803 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
2804 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
2805 -mauto-pic is in effect.
2806 (gprel64_offset): New pattern.
2807 (load_gprel64): Ditto.
2808 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
2809 -mconstant-gp is in effect, no need to preserve gp around direct
2811 (call_value): Ditto.
2812 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
2813 (FUNCTION_PROFILER): Define.
2814 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
2815 @fptr() directive when -mno-pic or -mauto-pic is in effect.
2816 (ASM_OUTPUT_DESTRUCTOR): Ditto.
2818 2000-05-03 Richard Henderson <rth@cygnus.com>
2820 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
2821 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
2822 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
2823 (mklibgcc, libgcc.mk): New targets.
2824 (libgcc.a): Use libgcc.mk.
2825 (stmp-multilib): Likewise.
2826 (stmp-multilib-sub): Remove.
2827 (mostlyclean): Don't delete libgcc2 temp files.
2828 * configure.in (AC_PROG_CC_C_O): Add.
2829 (NO_MINUS_C_MINUS_O): Substitute it.
2830 (all_outputs): Add mklibgcc.
2831 * mklibgcc.in: New file.
2833 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
2835 * cppexp.c (op_t): Make an int.
2837 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
2839 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
2841 * gensupport.c (process_rtx): Fix macros used.
2843 2000-05-03 Richard Henderson <rth@cygnus.com>
2845 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
2846 call-clobbered registers of a call.
2848 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
2850 * gensupport.c: New file.
2851 * gensupport.h: New file.
2852 * Makefile.in (HOST_RTL): Depend on gensupport.
2853 (gensupport.o) New rule.
2854 * genattr.c: Use gensupport for reading .md files.
2855 * genattrtab.c: Ditto.
2856 * gencodes.c: Ditto.
2857 * genconfig.c: Ditto.
2859 * genextract.c: Ditto.
2860 * genflags.c: Ditto.
2861 * genopinit.c: Ditto.
2862 * genoutput.c: Ditto.
2864 * genrecog.c: Ditto.
2865 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
2866 * md.texi (Insn Splitting): Document define_insn_and_split.
2868 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
2870 * flow.c (verify_flow_info): Added two more sanity checks. The
2871 first checks that the blocks are numbered consecutively. The second
2872 checks that n_basic_blocks is actually equal to the number of
2873 basic blocks in the insn chain.
2875 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
2877 * cpplib.h: Add accessor macros for token lists.
2878 * cpplib.c, cpphash.c, cpplex.c: Use them.
2880 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2882 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
2883 memory usage if not in a function.
2884 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
2885 return address if static.
2887 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
2889 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
2890 whether address may trap.
2892 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
2894 * bb-reorder (chain_reorder_blocks): Changed code to test for
2895 EDGE_FALLTHRU rather than making erroneous assumption that the
2896 first outgoing edge is the fall-through edge.
2898 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
2900 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
2901 ABI for varargs, across all MIPS. This is incompatible because the
2902 va_list (__builtin_va_list) structure is different, so a compilation
2903 unit passing a va_list and a compilation unit being passed one, should
2904 both be compiled with the same ABI. (The old structure had two
2905 pointers, now it has three.)
2907 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
2909 * bb-reorder.c (struct reorder_block_def): Remove members end,
2910 block_begin, and block_end.
2911 (REORDER_BLOCK_OLD_END): Delete.
2912 (REORDER_BLOCK_BEGIN): Delete.
2913 (REORDER_BLOCK_END): Delete.
2914 (chain_reorder_blocks): Remove dead code.
2916 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
2918 * bb-reorder.c (remove_scope_notes): Check for both types of scope
2919 notes as the end of a basic block before deleting.
2921 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
2923 * final.c (final_start_function): Fix spelling of "necessary".
2925 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
2927 * toplev.c (debug_ignore_block): Return int.
2928 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
2929 * toplev.h, dwarf2out.h: Adjust.
2930 * emit-rtl.c (remove_unnecessary_notes): Test return value.
2932 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
2933 * toplev.c, final.c, rtl.h: Adjust.
2935 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
2937 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
2938 * configure.in: Look for makeinfo in the unified tree, then
2939 for a system makeinfo which is sufficiently new.
2940 * Makefile.in: If configure says makeinfo is too old, don't
2941 build or install Info documentation.
2943 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
2945 * cpphash.c (collect_params): Fix off-by-one error.
2946 (dump_hash_helper): Dump all four macro nodetypes.
2948 2000-05-02 Jakub Jelinek <jakub@redhat.com>
2950 * cpphash.c (trad_stringify): Adjust p after stringification as
2953 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
2955 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
2956 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
2958 * cppfiles.c (file_cleanup): Delete.
2959 * cpphash.c (macro_cleanup): Delete.
2960 (collect_objlike_expansion, collect_funlike_expansion,
2961 macarg, scan_arguments): Remove CPP_POP case.
2963 * cpplex.c (null_cleanup): Delete.
2964 (cpp_pop_buffer): Do the work that was done in the cleanups
2965 here. Call _cpp_unwind_if_stack from here.
2966 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
2967 cpp_scan_buffer): Run until we see CPP_EOF and the top of
2968 stack is the buffer _below_ the one we stacked.
2969 (cpp_get_token): Always pop an exhausted buffer. Return
2970 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
2971 * cpplib.c (skip_if_group): Don't call cpp_get_token to
2972 increment the line number.
2973 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
2975 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
2976 we see CPP_EOF and the top of stack is the buffer _below_ the
2978 * scan-decls.c: Likewise.
2980 2000-05-02 Andrew Haley <aph@cygnus.com>
2982 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
2983 where this function is called for the second time on a decl that
2984 has had its section info changed in such a way as to move it out
2986 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
2988 2000-05-01 Richard Henderson <rth@cygnus.com>
2990 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
2991 the sequence we're moving, not to merge_bb->head.
2993 2000-05-01 Richard Henderson <rth@cygnus.com>
2995 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
2996 reference to alpha/t-linux.
2997 (alpha*-*-linux-gnu*): Likewise.
2998 * configure: Rebuild.
3000 * calls.c (expand_call): Don't emit reg notes for a sibcall.
3002 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
3005 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
3007 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
3009 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
3012 2000-05-01 Richard Henderson <rth@cygnus.com>
3014 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
3015 emit_conditional_move.
3017 2000-05-01 Jakub Jelinek <jakub@redhat.com>
3019 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
3020 as the dynamic linker.
3022 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
3024 * cppfiles.c (open_include_file): Open file in blocking mode.
3025 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
3026 Only exclude block devices and directories.
3028 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
3029 static. Allocate the hashnode and its string in the same
3031 (del_HASHNODE): Don't free h->name.
3032 (_cpp_lookup): If there is no entry for this string, create
3033 one, of type T_VOID.
3034 (_cpp_lookup_slot): Delete.
3035 * cpphash.h: Update prototypes.
3037 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
3039 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
3040 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
3041 node here, just fill in the value field properly. "Delete"
3042 entries by setting the value field to T_VOID. Check for
3043 hp->type == T_VOID, not hp == NULL.
3045 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
3046 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
3049 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
3051 * config/mn10300/mn10300.c (print_operand_address): Do not add
3054 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
3055 adjusted by less than 256 bytes, use ret regardless of having any
3056 callee-saved register to restore.
3058 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
3060 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
3062 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
3064 * config/i386/djgpp.h (INT_ASM_OP): Define.
3065 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
3066 (ASM_WEAKEN_LABEL): Define.
3067 (MASK_BNU210): Define.
3068 (SUBTARGET_SWITCHES): Define.
3069 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
3070 (MAKE_DECL_ONE_ONLY): Define.
3071 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
3073 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
3075 * i386/cygwin.h (INT_ASM_OP): Define.
3077 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
3079 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
3080 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
3082 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
3084 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
3085 __tmp_reg__ and __zero_reg__ initialization.
3087 2000-04-30 Richard Henderson <rth@cygnus.com>
3089 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
3091 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
3092 referenced bewteen the condition and the jump. Don't delete
3093 anything but the jump.
3095 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
3097 * bb-reorder.c (scope_def): New struct.
3098 (scope_forest_info): New struct.
3099 (struct reorder_block_def): New member "scope".
3100 (REORDER_BLOCK_SCOPE): New macro.
3101 (relate_bbs_with_scopes): New function and prototype.
3102 (make_new_scope): Likewise.
3103 (build_scope_forest): Likewise.
3104 (remove_scope_notes): Likewise.
3105 (insert_intra_1): Likewise.
3106 (insert_intra_bb_scope_notes): Likewise.
3107 (insert_inter_bb_scope_notes): Likewise.
3108 (rebuild_scope_notes): Likewise.
3109 (free_scope_forest_1): Likewise.
3110 (free_scope_forest): Likewise.
3111 (dump_scope_forest): Likewise.
3112 (dump_scope_forest_1): Likewise.
3113 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
3114 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
3116 (reorder_basic_blocks): Added calls to build_scope_scope_forest
3117 and remove_scope_notes before reordering is done. Added calls to
3118 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
3119 after reordering is done.
3121 2000-40-30 Bruce Korb <bkorb@gnu.org>
3123 * fixinc/inclhack.def: Added definitions needed by OSR5,
3124 removed two stale entries (defined away with OLD_CPP).
3125 * fixinc/inclhack.sh: regen
3126 * fixinc/fixincl.x: regen
3128 2000-04-30 Richard Henderson <rth@cygnus.com>
3130 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
3131 from the last insn in the sequence.
3133 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
3135 * cpplex.c (cpp_idcmp): New function.
3136 * cpplib.h: Prototype it.
3137 * scan_decls.c (scan_decls): Use it to inspect token names.
3138 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
3139 the file being run through the preprocessor.
3140 (check_macro_names): Provide length of token to cpp_defined.
3142 * Makefile.in: Remove stale warning message.
3144 * cppfiles.c (redundant_include_p): Provide length of token to
3146 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
3147 values are unsigned int.
3148 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
3149 (_cpp_lookup_slot): Do not calculate the hash, either.
3150 * cpphash.h: Update prototypes.
3151 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
3152 Hashes are unsigned int. Calculate hash here, pass by value
3153 to _cpp_lookup_slot.
3155 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
3157 * simplify-rtx.c (check_value_useless): Delete function.
3158 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
3160 (cselib_invalidate_regno): Likewise.
3161 (cselib_invalidate_mem_1): Likewise.
3162 (references_value_p): Recognize useless values by the fact that they
3164 (discard_useless_values): Likewise.
3165 (cselib_record_set): This may turn a useless value
3168 2000-04-30 Richard Henderson <rth@cygnus.com>
3170 * config/d30v: New port.
3172 * configure.in (d30v-*): Set fp format.
3173 * configure: Rebuild.
3175 2000-04-30 Richard Henderson <rth@cygnus.com>
3177 * ifcvt.c: New file.
3178 * Makefile.in (OBJS): Add it.
3179 (ifcvt.o): New target.
3180 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
3181 and conditional arithmetic.
3182 (find_insert_position): Remove.
3183 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
3184 * toplev.c (DFI_ce, DFI_ce2): New.
3185 (dump_file): Add ce and ce2 dumps.
3186 (rest_of_compilation): Run if_convert a couple o times. Set
3187 cse_not_expected after cse2. Don't set no_new_pseudos until
3188 after sched1 or recompute_reg_usage.
3190 2000-04-30 Richard Henderson <rth@cygnus.com>
3192 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
3193 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
3195 2000-04-30 Richard Henderson <rth@cygnus.com>
3197 * flow.c (struct reg_cond_life_info): New.
3198 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
3199 (init_propagate_block_info): Initialize them.
3200 (free_propagate_block_info): Destruct them.
3201 (mark_set_1): Consider conditional life before killing a register.
3202 (mark_regno_cond_dead): New.
3203 (free_reg_cond_life_info): New.
3204 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
3205 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
3206 (mark_used_reg): Record conditional life.
3208 * haifa-sched.c (schedule_insns): Disable death counting
3209 sanity check for HAVE_conditional_execution.
3211 2000-04-30 Richard Henderson <rth@cygnus.com>
3213 * Makefile.in (TIMEVAR_H): New.
3214 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
3215 (timevar.h): Remove rule.
3217 2000-04-29 Richard Henderson <rth@cygnus.com>
3219 * config/alpha/crtend.asm: Use C comments instead of #.
3220 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
3222 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
3224 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
3226 * cpphash.h (enum node_type: Take out T_MCONST.
3227 (union hashval): Move into struct hashnode.
3228 (struct hashnode): Pack tighter. Remove file, line, col
3230 * cpphash.c: Constify most of the macro-definition structures.
3231 (struct definition): Replace by struct object_defn
3232 and struct funct_defn. Put file, line, column information
3233 here. All users updated to match.
3234 (_cpp_create_definition, _cpp_macroexpand): Remove special
3235 case for #define WORD OTHERWORD.
3236 * cpplib.c (do_undef): Remove T_MCONST case.
3238 * cpphash.h: Move struct reflist, struct definition, and the
3239 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
3240 union hashval. _cpp_free_definition takes a HASHNODE pointer.
3241 * cpphash.c (_cpp_free_definition): Free data pointed to by
3242 MCONST, XCONST, MACRO, and FMACRO nodes properly.
3243 (_cpp_create_definition, del_HASHNODE): Just call
3244 _cpp_free_definition to clear out a hashnode.
3245 * cpplib.c (do_pragma_poison): Likewise.
3247 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
3249 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
3250 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
3251 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
3252 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
3253 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
3254 REGNO_AM33_P): Redefine in terms of the new macros.
3255 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
3256 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
3257 STRUCT_VALUE): Likewise.
3258 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
3259 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
3261 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
3263 * regmove.c (struct record_stack_memrefs_data): New.
3264 (record_stack_memrefs): New function.
3265 (combine_stack_adjustments_for_block): Use it.
3267 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
3269 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
3270 use special_function_p to detect alloca.
3272 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
3274 * gcc.texi: Fixes for makeinfo 4.0 --html.
3276 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
3278 * pcp.h: Delete file.
3280 2000-04-28 Kazu Hirata <kazu@hxi.com>
3282 * h8300.c (function_epilogue): Clean up flags when the last insn
3283 in a function is a barrier.
3285 2000-04-28 Chris Demetriou <cgd@sibyte.com>
3287 * configure.in (sparc-hal-solaris2*): protect [] glob from
3289 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
3290 rather than hard-coded constants in target_cpu_default2.
3291 * configure: Regenerate.
3293 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
3295 * tree.c (get_callee_fndecl): Extract the initial value from
3298 2000-04-28 Richard Henderson <rth@cygnus.com>
3300 * varasm.c (record_constant_1): Record the CODE_LABEL when
3301 taking the address of a LABEL_REF.
3303 2000-04-28 Richard Henderson <rth@cygnus.com>
3304 Jan Hubicka <jh@suse.cz>
3306 * calls.c (combine_pending_stack_adjustment_and_call): Return the
3307 adjustment; don't do the stack adjust.
3308 (expand_call): Call compute_argument_block_size right before
3309 allocating the block; update comment; don't do alignment sanity
3310 checking for sibling call; use args_size instead of
3311 unadjusted_args_size before args_size is adjusted. Use
3312 combine_pending_stack_adjustment_and_call to compute stack adjust
3313 for must_preallocate case.
3315 * expr.c (push_block): Remove shadow `temp' in inner scope.
3317 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
3319 * toplev.c (rest_of_compilation): Call
3320 note_deferral_of_defined_inline_function even if the function
3323 2000-04-28 Scott Bambrough <scottb@netwinder.org>
3325 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
3327 2000-04-28 Richard Henderson <rth@cygnus.com>
3329 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
3331 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3333 * timevar.c (init_timevar): DeANSIfy function definition.
3335 2000-04-27 Alex Samuel <samuel@codesourcery.com>
3337 * Makefile.in (timevar.o): Depend on flags.h.
3338 * timevar.c (unused_stack_instances): New variable.
3339 (timevar_push): Take a timevar_stack_def from
3340 unused_stack_instances if available.
3341 (timevar_pop): Push the popped timevar_stack_def onto
3342 unused_stack_instances.
3343 (TIMEVAR_ENABLE): New macro.
3344 (timevar_def): Make standalone a 1-bit field. Add field used.
3345 (get_time): Rename parameter to now. Return after clearing it if
3347 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
3348 (timevar_pop): Likewise.
3349 (timevar_stop): Likewise.
3350 (timevar_push): Likewise. Mark the timing variable as used.
3351 (timevar_start): Likewise.
3352 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
3353 timevars that were never used.
3355 2000-04-27 Mark Mitchell <mark@codesourcery.com>
3357 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
3358 always TREE_READONLY.
3360 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
3362 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
3363 for call instruction with mode QImode.
3365 2000-04-27 Alex Samuel <samuel@codesourcery.com>
3367 * Makefile.in (OBJS): Add timevar.o.
3368 (toplev.o): Depend on timevar.h.
3369 (ggc-simple.o): Likewise.
3370 (ggc-page.o): Likewise.
3371 (timevar.o): New rule.
3372 (timevar.h): New rule.
3374 * timevar.h: New file.
3375 * timevar.c: Likewise.
3376 * timevar.def: Likewise.
3378 * toplev.h (gc_time, parse_time, varconst_time): Remove.
3379 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
3381 (TIMEVAR): Remove macro.
3382 (gc_time, parse_time, varconst_time, integration_time, jump_time,
3383 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
3384 flow_time, combine_time, regmove_time, sched_time,
3385 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
3386 sched2_time, dbr_sched_time, reorder_blocks_time,
3387 rename_registers_time, shorten_branch_time, stack_reg_time,
3388 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
3390 (compile_file): Don't initialize time variables. Call
3391 init_timevar and start TV_TOTAL timer. Call timevar_print instead
3392 of many calls to print_time.
3393 (rest_of_compilation): Add timing for reload_cse_regs.
3394 (get_run_time): Removed to timevar.c.
3395 (print_time): Likewise.
3396 (get_run_time): Implement using TV_TOTAL time variable.
3397 (print_time): Get total run time from get_run_time.
3398 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
3399 computing elapsed time explicitly.
3400 * ggc-simple.c (ggc_collect): Likewise.
3401 (gc_time): Remove declaration.
3403 2000-04-27 Mark Mitchell <mark@codesourcery.com>
3405 * calls.c (combine_pending_stack_adjustment_and_call): New function.
3406 (expand_call): Use it.
3408 2000-04-27 Jan Hubicka <jh@suse.cz>
3410 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
3413 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
3415 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
3418 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
3420 * function.c (epilogue_done): Pass whole insn to record_insns.
3422 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
3424 * cse.c (CSE_ADDRESS_COST): Remove.
3425 (find_best_addr): Add new parameter "MODE", use address_cost instead
3427 (address_cost): New.
3428 (fold_rtx): Update call of find_best_addr.
3429 * rtl.h (address_cost): Declare.
3430 * loop.c (general_induction_var): Add new parameter "MODE", use
3431 address_cost instead of ADDRESS_COST
3432 (init_loop): Use address_cost instead of ADDRESS_COST.
3433 (check_insn_for_givs): Update call of general_induction_var.
3434 (find_mem_givs): Likewise.
3435 (consec_sets_giv): Likewise.
3436 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
3437 * i386.c (ix86_address_cost): New.
3438 * i386-protos.h (ix86_address_cost): Declare.
3440 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
3442 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
3445 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
3447 * expr.c (store_expr): Use clear_storage instead of direct memset
3450 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
3452 * config/mn10300/mn10300.c (mn10300_address_cost): Test
3453 ASHIFT, AND and LABEL_REF.
3455 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
3457 * invoke.texi (-foptimize-sibling-calls): Fix.
3459 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
3461 * loop.c (load_mems) Don't use hard registers for the hoisting.
3463 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
3464 calculation; rename const_equiv array in the preconditioning code
3465 from loop_unroll to loop_unroll_precondition
3467 2000-04-27 Richard Henderson <rth@cygnus.com>
3469 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
3471 (propagate_one_insn): Clear it. Don't update reg_live here.
3472 (init_propagate_block_info): Update for pbi member changes.
3473 (free_propagate_block_info): Likewise.
3474 (mark_set_1): Know that zero_extract, sign_extract, and
3475 strict_low_part don't kill their argument. Alter hard subregs.
3476 Update new_set for non-CLOBBER sets. Update reg_live.
3477 (find_auto_inc): Update reg_live, not new_dead.
3478 (mark_used_reg): Update reg_live, not new_live. Examine new_set
3479 to determine if the reg in question was set this insn. Only update
3480 reg info with PROP_REG_INFO.
3482 2000-04-26 Richard Henderson <rth@cygnus.com>
3484 * flow.c (allocate_reg_life_data): Set max_regno here ...
3485 (life_analysis): ... not here.
3487 * flow.c (calculate_global_regs_live): Force stack pointer
3490 2000-04-26 Richard Henderson <rth@cygnus.com>
3492 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
3493 commit change group changes.
3494 (invert_exp_1): Similarly.
3495 (redirect_exp, invert_exp): Use them.
3496 (redirect_jump_1): New.
3497 (invert_jump_1): New.
3498 (jump_optimize_1): Remove code subsumed by condexec.c.
3499 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
3501 2000-04-26 Richard Henderson <rth@cygnus.com>
3503 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
3505 * genconfig.c (main): Set all HAVE_foo to 1.
3507 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
3509 2000-04-26 Alex Samuel <samuel@codesourcery.com>
3511 * invoke.texi: Document -fssa flag.
3513 2000-04-26 Richard Henderson <rth@cygnus.com>
3515 * flow.c (count_reg_sets_1): Remove.
3516 (count_reg_sets, count_reg_references): Remove.
3517 (recompute_reg_usage): Implement with update_life_info.
3518 Reallocate life data.
3520 2000-04-26 Richard Henderson <rth@cygnus.com>
3522 * flow.c (update_life_info): Consider blocks null to mean the
3524 (calculate_global_regs_live): Likewise.
3525 (life_analysis): Do that instead of collecting all_blocks.
3527 2000-04-26 Richard Henderson <rth@cygnus.com>
3529 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
3530 a still-valid conditional jump.
3532 2000-04-26 Richard Henderson <rth@cygnus.com>
3534 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
3536 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
3537 * flow.c (calculate_loop_depth): Remove.
3538 * output.h (calculate_loop_depth): Don't declare.
3539 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
3540 inline; run estimate_probability at the same time.
3542 2000-04-26 Neil Booth <NeilB@earthling.net>
3544 * cpplib.h: "~=" is not a single pp-token.
3545 * cpplex.c: Correct commentary.
3547 2000-04-26 Richard Henderson <rth@cygnus.com>
3549 * flow.c (mark_set_1): New arguments code and flags; update all
3550 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
3551 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
3552 loop_depth when optimizing for size. Do new_dead update after
3553 emitting REG_UNUSED notes. Merge mark_set_reg code.
3554 (mark_set_reg): Remove.
3555 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
3556 arrange to not emit REG_UNUSED notes.
3558 2000-04-26 Richard Henderson <rth@cygnus.com>
3560 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
3561 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
3563 2000-04-26 Richard Henderson <rth@cygnus.com>
3565 * flow.c (propagate_one_insn): Break out from propagate_block.
3566 (init_propagate_block_info): Likewise.
3567 (free_propagate_block_info): Likewise.
3568 (propagate_block): Use them. Export.
3569 * basic-block.h: Declare them all.
3571 2000-04-26 Richard Henderson <rth@cygnus.com>
3573 * basic-block.h (life_analysis): Declare here ...
3574 * output.h: ... not here.
3575 * flow.c (life_analysis): Remove nregs parameter; replace
3576 remove_dead_code with flags. Remove ssa dead code check.
3577 Only init alias analysis if we'll use it.
3578 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
3579 * ssa.c (convert_to_ssa): Likewise.
3580 (convert_from_ssa): Likewise.
3581 * toplev.c (rest_of_compilation): Likewise.
3583 2000-04-26 Richard Henderson <rth@cygnus.com>
3585 * flow.c (flow_delete_block): Rename from delete_block. Export.
3586 * basic-block.h (flow_delete_block): Declare.
3588 2000-04-26 David S. Miller <davem@redhat.com>
3590 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
3591 taking a PATTERN of it.
3593 2000-04-26 <NeilB@earthling.net>
3595 * cpplex.c (spell_other, spell_char): Remove.
3597 (token_spelling, trigraph_map): Use unsigned chars.
3598 (_cpp_lex_line): Tidy up the switch statement.
3599 * cpplib.h: Implement spell_char with spell_string.
3602 2000-04-26 <RodneyBrown@pmsc.com>
3604 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
3605 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
3607 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3609 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
3610 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
3611 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
3612 dwarf2out_return_save, dwarf2out_return_reg,
3613 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
3614 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
3615 gen_compile_unit_die, dwarf2out_init): Constify a char*.
3617 * dwarf2out.h (dwarf2out_init): Likewise.
3619 * dwarfout.c (filename_entry, primary_filename, last_filename,
3620 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
3622 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
3623 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
3624 dwarf2out_return_reg): Likewise.
3626 2000-04-26 Andreas Jaeger <aj@suse.de>
3628 * extend.texi (Function Attributes): Fix description of pure
3631 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
3633 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
3634 before calling rest_of_compilation.
3636 2000-04-26 Andreas Jaeger <aj@suse.de>
3638 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
3641 2000-04-25 Richard Henderson <rth@cygnus.com>
3643 * cse.c (cse_insn): Emit barrier after unconditional jump.
3645 * calls.c (expand_call): Disable tail call generation once
3646 rtx_equal_function_value_matters is false.
3648 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
3651 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
3653 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
3655 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
3657 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
3658 is the primary DIE for a member function.
3659 (gen_decl_die): Call set_decl_origin_self here.
3660 * dwarfout.c (output_decl): And here.
3661 * integrate.c (output_inline_function): Not here.
3662 Don't clear DECL_INLINE until after calling rest_of_compilation.
3663 (set_decl_origin_self): No longer static.
3664 * tree.h: Add prototype.
3665 * toplev.c (note_deferral_of_defined_inline_function): Only write
3666 out abstract instance for actual inlines.
3668 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
3670 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
3671 EXTENDED_REGS only if TARGET_AM33.
3672 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
3673 SP_REGS to register allocation and reloading unless absolutely
3675 (movsi3): Remove special-case of adding non-constants to SP.
3677 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3679 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
3680 INCLUDES to search and does not provide any of its own. Also it
3681 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
3682 parameters. Also it does not call AC_DEFINE.
3683 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
3684 AC_DEFINE and provides for automatic entries for autoheader.
3685 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
3687 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
3688 so we can pass -I flags and include gansidecl.h/system.h in this
3691 * acconfig.h: Delete all NEED_DECLARATION_* entries.
3693 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3695 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
3696 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
3697 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
3699 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
3700 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
3701 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
3702 for these macros. Clean up spacing and linewraps.
3704 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
3706 * calls.c (expand_call): Use get_callee_fndecl.
3708 * print-tree.c (print_node): Print the chain of an _EXPR.
3710 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
3711 Jim Wilson <wilson@cygnus.com>
3712 Andrew Haley <aph@cygnus.com>
3714 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
3715 and gp save/restore problems.
3716 * config/ia64/crtend.asm: Add IA-64 unwind support.
3717 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
3718 in fr_pad_size calculation.
3719 (save_restore_insns): Move PR save area. Correct uses of
3720 RTX_FRAME_RELATED_P.
3721 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
3722 (ia64_expand_epilogue): Add eh_epilogue support.
3723 (ia64_function_prologue): Emit .prologue directive.
3724 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
3725 (ia64_override_options): Set init_machine_status and
3726 mark_machine_status.
3727 (rtx_needs_barrier): Handle bsp reads and writes.
3728 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
3729 New static variables.
3730 (process_set, process_for_unwind_directive): New functions.
3731 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
3732 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
3733 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
3735 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
3736 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
3737 (struct machine_function): Define.
3738 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
3740 2000-04-25 Bruce Korb <bkorb@gnu.org>
3742 * fixinc/Makefile.in: make the removal of old programs more
3744 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
3745 install-bin and install-sh
3747 2000-04-25 Nick Clifton <nickc@cygnus.com>
3749 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
3750 defined, define to return zero.
3751 (function_cannot_inline_p): If a function has any target
3752 specific attributes, then use the macro
3753 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
3754 whether it can be inlined. If it cannot, issue a suitable
3757 * tm.texi: Add a new node 'Inlining' to document the new macro
3758 FUNCTION_ATTRIBUTE_INLINABLE_P.
3760 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
3762 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
3765 2000-04-25 Neil Booth <NeilB@earthling.net>
3767 Restore previous patch, plus the following fixes:
3769 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
3770 flags, not CPP_OPEN_PAREN.
3771 * cpplex.c (expand_token_space, init_token_list,
3772 cpp_free_token_list): Put the dummy token at list->tokens[-1].
3773 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
3775 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3777 * config/i386/freebsd.h (INT_ASM_OP): Define.
3779 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
3781 * loop.c (strength_reduce): Fix typo in the last checkin.
3783 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3785 * stor-layout.c (finalize_record_size): Simplify to use existing
3787 (compute_record_mode): No longer static.
3788 * tree.h (compute_record_mode): New declaration.
3790 2000-04-25 Neil Booth <NeilB@earthling.net>
3792 * Revert my patch below until cause of build failures
3795 2000-04-25 Richard Henderson <rth@cygnus.com>
3797 * combine.c (combine_instructions): Add missing argument
3800 * toplev.c (rest_of_compilation): Delay sibcall optimization
3801 until after emit_eh_context.
3803 2000-04-24 Nick Clifton <nickc@redhat.com>
3805 * combine.c (combine_instructions): Do not try to combine a
3806 sequence of insns when the second insn has been replaced by a
3809 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
3811 * gcc.c (load_specs): New static function.
3812 (read_specs): Use it.
3814 * gcc.c (lookup_compiler): Make multiple passes for case
3815 insensitive filesystems.
3817 2000-04-24 Neil Booth <NeilB@earthling.net>
3819 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
3820 * cpphash.h (_cpp_check_directive): new.
3821 * cpplex.c (handle_newline, cpp_free_token_list,
3822 init_trigraph_map, trigraph_ok, trigraph_replace,
3823 backslash_start, skip_block_comment, skip_line_comment,
3824 skip_whitespace, parse_name, parse_number, parse_string,
3825 copy_comment, _cpp_lex_line, spell_char, spell_string,
3826 spell_comment, spell_name, spell_other, _cpp_lex_file,
3827 _cpp_output_list): new.
3828 (expand_name_space): take length argument.
3829 (init_token_list): add comment list initialisation.
3830 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
3831 instead of HSPACE_BEFORE.
3833 * cpplib.c (_cpp_check_directive): new
3834 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
3835 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
3836 (HSPACE_BEFORE): delete.
3837 (TTYPE_TABLE): rearrange.
3838 (struct cpp_toklist): update.
3840 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3842 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
3843 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
3844 argument form of AC_DEFINE.
3846 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
3847 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
3848 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
3849 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
3850 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
3852 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
3854 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3856 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
3857 deduced.h): Use -isystem, not -I, for including system headers.
3859 2000-04-24 Nick Clifton <nickc@cygnus.com>
3861 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
3862 the source register is the frame pointer or arg pointer.
3863 (addsi3_small_int): Disallow if source register is the frame
3864 pointer or arg pointer.
3866 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3868 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
3869 call to AC_MSG_RESULT.
3871 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3873 * invoke.texi: Correct grammatical errors, document
3874 -fno-gnu-keywords as identical to -fno-asm for C++.
3876 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3878 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
3879 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
3880 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
3881 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
3882 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
3884 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
3885 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
3886 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
3887 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
3890 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
3892 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
3893 (pop_alignment): Likewise.
3894 (handle_pragma_token): Likewise.
3896 2000-04-24 Robert Lipe <robertlipe@usa.net>
3898 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
3900 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
3902 * combine.c (try_combine): Update reg_nonzero_bits of
3903 newi2pat before newpat.
3905 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
3907 * loop.c (strength_reduce): Simplify test to INSN_P.
3908 (record_giv): Attempt to simplify the add value, use CONSTANT_P
3909 expressions instead of CONST_INT.
3910 (express_from_1): Likewise.
3912 2000-04-24 Mark Mitchell <mark@codesourcery.com>
3914 * regs.h (reg_n_max): Don't declare.
3915 * flow.c (reg_n_max): Don't define.
3916 * regclass.c (renumber): Don't initialize to zero.
3917 (regno_allocated): Likewise.
3918 (reg_n_max): Define.
3919 (allocate_reg_info): Don't initialize unnecessarily.
3921 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
3923 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
3924 and blockage_p in the newly allocated attribute.
3926 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
3928 * config/mn10300/mn10300.md (addsi): `inc4' on address
3929 registers does not modify cc, but `inc' on an extended
3932 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
3934 * reload.c (find_equiv_reg): Checks all valueno regs
3935 as a reload_reg_p regs.
3937 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
3939 * cpphash.c (collect_objlike_expansion): Add sanity check.
3940 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
3941 the buffer is the empty string, return. Mark __DATE__ and
3942 __TIME__ as XCONST nodes, not MCONST.
3943 (_cpp_macroexpand): Avoid pushing an empty buffer.
3944 (funlike_macroexpand): Don't pop token_buffer here.
3946 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
3948 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
3949 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
3950 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
3951 (REGNO_OK_FOR_BASE_P): Define in terms of them.
3952 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
3953 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
3954 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
3956 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
3958 * loop.c (simplify_giv_expr): Be more agressive on simplifying
3961 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
3963 * cpphash.h (struct definition): Move file, line, col members...
3964 (struct hashnode): ... here. Also add 'disabled' flag.
3965 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
3966 T_IDENTITY. Remove T_DISABLED.
3969 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
3970 (collect_expansion): Split into collect_objlike_expansion and
3971 collect_funlike_expansion.
3972 (_cpp_macroexpand): Split out scan_arguments, stringify, and
3973 funlike_macroexpand.
3974 (_cpp_compare_defs): Rename compare_defs, make static.
3975 (_cpp_make_hashnode): Initialize hp->disabled.
3976 (macro_cleanup): Adjust for new token types. Clear
3978 (_cpp_create_definition): Move code here to determine what
3979 sort of macro it is, and code to check for redefinitions, from
3980 do_define. Implement a few simple cases without creating a
3982 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
3983 Handle the simple cases.
3984 (push_macro_expansion): Set buf->has_escapes and hp->disabled
3987 * cppinit.c (builtin_array): Change MCONST to XCONST
3989 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
3990 fix check for disabled and function-like macros.
3991 * cpplib.c (do_define): Move most logic to
3992 _cpp_create_definition.
3993 (do_undef): Handle new special token types.
3995 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
3997 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
3998 of CONSTANT_P for mult_val; always use validate_change to update insn.
4000 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
4002 * cpphash.c (trad_stringify, add_pat): New functions.
4003 (collect_expansion): Restore support for -traditional syntax.
4004 Use trad_stringify and add_pat.
4005 (_cpp_macroexpand): Restore support for -traditional semantics.
4006 * cpplex.c (_cpp_scan_line): Don't change space_before if we
4007 get a COMMENT token.
4008 (_cpp_lex_token): Provide COMMENT tokens to caller if
4009 traditional and parsing_define_directive.
4010 (skip_comment): Warn about // comments if -Wtraditional.
4011 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
4013 (do_undef): Don't warn about undefining EMPTY nodes.
4015 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
4017 * loop.c (strength_reduce): Fix biv removal code.
4019 2000-04-22 Richard Henderson <rth@cygnus.com>
4021 * predict.c (estimate_probability): Examine both sides of
4022 a branch for no exits. Use 90% not 50% for predict taken.
4023 Reorg for one copy of note generation code.
4025 2000-04-22 Richard Henderson <rth@cygnus.com>
4027 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
4029 2000-04-22 Richard Henderson <rth@cygnus.com>
4031 * diagnostic.c (init_output_buffer): Don't initialize format_args.
4032 (output_clear): Likewise.
4033 (output_printf): Use va_copy.
4034 (vline_wrapper_message_with_location): Likewise.
4035 (v_message_with_decl): Likewise.
4036 (line_wrapper_printf): VA_START infor buffer.format_args directly.
4037 * system.h (va_copy): Provide default implementation.
4039 2000-04-22 Richard Henderson <rth@cygnus.com>
4041 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
4042 the collected condition is not a constant.
4044 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
4046 * diagnostic.h: New file.
4048 * Makefile.in (diagnostic.o): Depends on diagnostic.h
4050 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
4051 various function prototypes.
4052 (diagnostic.h): #include.
4053 (struct output_buffer): Move into diagnostic.h.
4054 (get_output_prefix): Rename to output_get_prefix. Export.
4055 (init_output_buffer): Export. Break out. Ajust intialization.
4056 (output_space_left, output_append): Export.
4057 (output_newline): Rename to output_add_newline. Export.
4058 (output_clear): Nullify additional output_buffer fields.
4059 (output_puts): Rename to output_add_string. Export.
4060 (dump_output): Rename to output_flush_on. Export.
4061 (build_location_prefix): Constify return-type.
4062 (emit_output_prefix): Rename to output_emit_prefix. Export.
4063 (set_real_maximum_length): New function.
4064 (output_set_maximum_length): Ditto
4065 (output_clear): Ditto.
4066 (output_add_character): Ditto.
4067 (output_add_integer): Ditto.
4068 (output_add_space): Ditto.
4069 (output_format): Ditto.
4070 (output_printf): Adjust buffer initialization.
4071 (vline_wrapper_message_with_location): Ditto.
4072 (v_message_with_decl): Ditto. Adjust call to output_puts
4073 and get_output_prefix.
4074 (default_print_error_function): Adjust buffer intialization.
4076 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4078 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
4081 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
4083 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
4086 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
4088 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
4089 accurate data about SP moves.
4091 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
4093 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
4094 aliases to AM33 registers.
4096 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
4098 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
4099 to all EXTENDED bitmaps.
4101 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
4103 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
4104 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
4105 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
4107 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
4109 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
4110 the operand is not constant.
4112 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
4114 * reload.c (find_equiv_reg): Checks all valueno and regno regs
4115 as a call-clobbered regs.
4117 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4119 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
4121 * rtl.def: Update comment.
4122 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
4123 * integrate.c (expand_inline_function): Likewise.
4124 * profile.c (branch_prob): Likewise.
4125 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
4126 * print-rtl.c (print_rtx): Likewise.
4127 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
4128 (reemit_notes): Likewise; also use enum insn_note.
4130 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
4131 (place_field): Properly compute know and actual alignment.
4133 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
4136 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
4139 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
4141 * cpphash.c (struct arg, struct arglist): Const-ify strings.
4142 (warn_trad_stringify, duplicate_arg_p): New helper functions.
4143 (collect_expansion): Rewrite to scan over a token list.
4144 Remove -traditional support.
4145 (collect_formal_parameters): Rename to collect_params; rewrite
4146 to scan over a token list.
4147 (_cpp_create_definition): Adjust to scan a token list.
4148 (_cpp_macroexpand): Remove -traditional support.
4149 (_cpp_compare_defs): Whitespace is now canonicalized.
4150 (comp_def_part): Delete function.
4152 * cpphash.h: Update prototypes.
4153 * cpplex.c (init_token_list): Don't set lineno if there is no
4155 (pedantic_whitespace): New function.
4156 (_cpp_scan_line): Mark tokens that had hspace before. Don't
4157 consume a newline. Use pedantic_whitespace.
4158 (_cpp_lex_token): Remove support for -traditional macros.
4159 (_cpp_get_define_token): Delete.
4160 (_cpp_get_directive_token): Do the real work here. Use
4161 pedantic_whitespace.
4162 (_cpp_init_input_buffer): Initialize pfile->directbuf.
4164 * cpplib.c (get_macro_name): Delete.
4165 (do_define): Read the entire line into pfile->directbuf, then
4166 feed the token list to _cpp_create_definition.
4167 * cpplib.h (HSPACE_BEFORE): new define.
4168 (struct cpp_reader): Add a toklist member, "directbuf".
4170 * predict.c (estimate_probability): New heuristic: if a jump
4171 branches around a block with no successors, predict it taken.
4172 Disentangle control flow.
4174 2000-04-20 Richard Henderson <rth@cygnus.com>
4176 * loop.c (emit_iv_add_mult): Revert last change.
4178 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
4180 * cpplib.h (enum cpp_ttype): Add token types for all
4181 punctuators. Distinguish pp-numbers from valid C numbers.
4182 Give some tokens better names. Initialize from macro.
4183 (struct cpp_name, cpp_token, cpp_toklist): New data
4186 * cpplex.c (bump_column, expand_name_space,
4187 expand_token_space, init_token_list, cpp_output_list,
4188 _cpp_scan_line): New functions.
4189 (output_line_command): Add third argument, new line number.
4190 * cpphash.h: Update prototypes.
4191 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
4194 2000-04-20 Richard Henderson <rth@cygnus.com>
4196 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
4198 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
4200 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
4203 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
4205 * loop.c (emit_iv_add_mult): Simplify it's input and emit
4206 REG_EQUAL note explaining the calculated value.
4208 * calls.c (expand_call): Avoid unnecesary precalculation
4209 and outgoing parameters space guarding for sibling calls.
4210 (store_one_arg): Likewise.
4212 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4214 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
4215 (rest_of_compilation): Write sibling dump file and account
4216 for time as jump time.
4217 * invoke.texi: Update documentation on dump flags.
4219 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
4221 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
4223 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
4225 * cpphash.c (special_symbol): Represent an empty macro with
4226 "\r \r " not just "\r ".
4227 (_cpp_macroexpand): Correct condition for the foo ( ) special
4229 (unsafe_chars): Handle EOF as second argument.
4230 (push_macro_expansion): Simplify test for removing escape at
4231 end. Do not trim both escapes if there is no text in between.
4233 2000-04-19 Jim Blandy <jimb@redhat.com>
4235 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
4236 of PTR_SIZE, when appropriate.
4238 2000-04-19 Mark Mitchell <mark@codesourcery.com>
4240 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
4241 (USE_ENUM_BITFIELDS): Fix typo.
4243 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4245 * stor-layout.c (place_field): Set rli->offset_align properly.
4247 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4249 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
4250 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
4251 PARM_BOUNDARY): Remove unnecessary casts.
4253 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
4255 * calls.c (precompute_arguments): Remove must_preallocate and
4257 (expand_call): Update call of precompute_arguments.
4259 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
4260 check_insn_for_givs): Break out from ...
4261 (strength_reduce) ... here; use for_every_insn_in_loop to call
4262 check_insn_for_givs.
4263 * loop.h (for_every_insn_in_loop): Declare.
4264 (loop_insn_callback): New type.
4266 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
4268 * cpplib.c (do_pragma_poison): Strings in the token buffer are
4271 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
4273 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
4276 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
4278 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
4280 * configure.in: Delete --disable-cpplib option and all
4281 references to cpp_main.
4282 * configure: Regenerate.
4283 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
4284 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
4285 cccp.o, cccp, or cppmain. Link cppmain.o straight to
4286 cpp$(exeext). Add --no-headers to makeinfo command line when
4287 generating INSTALL. Install and uninstall cpp.1 manpage, not
4289 * install.texi: Delete all references to cexp.y/cexp.c.
4290 Delete ancient instructions for compiling GCC on 3b1.
4291 * INSTALL: Regenerate.
4293 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
4294 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
4295 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
4297 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
4298 which is no longer tested anywhere.
4300 * cppinit.c (handle_option): Don't run error message through
4303 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4305 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
4306 * cpperror.c (hashtab.h): Now include.
4307 * cppexp.c (hashtab.h): Likewise.
4308 * cpplex.c (hashtab.h): Likewise.
4309 * cppfiles.c (hashtab.h): Likewise.
4310 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
4311 to htab_find_slot_with_hash.
4312 * cpphash.c (hashtab.h): Now include.
4313 (_cpp_lookup_slot): INSERT is now enum insert_option.
4314 * cpphash.h (_cpp_lookup_slot): Likewise.
4315 * cppinit.c (hashtab.h): Include earlier.
4316 (initialize_builtins): Pass enum to htab_find_slot.
4317 * cpplib.c (hashtab.h): Now include.
4318 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
4319 (do_pragma_poison, do_assert): Likewise.
4320 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
4321 htab_find_slot_with_hash.
4322 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
4323 * tree.c (type_hash_add): Likewise.
4324 (build1): Minor cleanup.
4326 * ggc-common.c: Add missing blanks.
4327 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
4328 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
4330 * stmt.c (mark_case_node): New function.
4331 (mark_case_nesting): Call it.
4333 * expmed.c (emit_store_flag): If comparing two-word integer
4334 with zero, can optimize NE, EQ, GE, and LT.
4336 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
4337 * conflict.c: Minor cleanups.
4338 * optabs.c: Add blank line
4339 * simplify-rtx.c: Minor cleanups.
4341 2000-04-18 Stan Cox <scox@cygnus.com>
4343 * gengenrtl.c (genlegend): Fix misspelling.
4345 2000-04-18 Robert Lipe <robertlipe@usa.net>
4347 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
4348 bitfields of the host compiler are not signed quantities.
4349 * config.in: Regenerate.
4350 * configure: Regenerate.
4351 * system.h (USE_ENUM_BITFIELDS): Added.
4352 (ENUM_BITFIELDS): Added.
4353 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
4354 (SHORT_ENUM_BUG): Deleted.
4355 * tree.h (tree_common): Members `code', `mode', `built_in_class',
4357 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
4358 (CODE_FIELD_BUG): Likewise.
4359 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
4361 * config/m68k/x-ccur (X_CFLAGS): Likewise.
4363 2000-04-18 Mark Mitchell <mark@codesourcery.com>
4365 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
4368 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
4370 * cppexp.c (lex): Don't assume tokens are NUL terminated.
4371 * cpplib.c (do_include, do_import, do_include_next,
4372 read_line_number, detect_if_not_defined): Likewise.
4373 * cpphash.c (collect_expansion): Likewise.
4374 (special_symbol, _cpp_macroexpand): Check return from
4376 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
4377 macros. Delete all uses.
4379 * gcc.dg/cpp-mi.c: Add two more test cases.
4380 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
4382 2000-04-17 Richard Henderson <rth@cygnus.com>
4384 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
4385 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
4387 2000-04-17 Mark Mitchell <mark@codesourcery.com>
4389 * function.c (expand_function_start): Use hard_function_value to
4390 compute the RTL to use for DECL_RESULT.
4392 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
4394 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
4395 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
4396 x86_memory_mismatch_stall): New global variables.
4397 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
4398 alloved; fix load penalties for Athlon.
4399 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
4400 x86_memory_mismatch_stall): Declare.
4401 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
4402 TARGET_MEMORY_MISMATCH_STALL): New.
4403 * i386.md (athlon scheduling parameters): Fix latencies according to
4404 Athlon Optimization Manual.
4405 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
4407 (fsqrt instruction patterns): Set athlon_decode to direct.
4408 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
4409 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
4410 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
4411 and TARGET_PARTIAL_REGISTER_STALL machines.
4412 (pushdf_nointeger): New pattern.
4413 (pushdf_integer): Rename from pushdf.
4414 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
4415 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
4417 2000-04-17 Richard Henderson <rth@cygnus.com>
4419 * loop.c (canonicalize_condition): Add WANT_REG argument.
4420 Stop the search if we match it.
4421 * expr.h (canonicalize_condition): Update decl.
4422 * predict.c (expected_value_to_br_prob): Use it. Track last
4423 expected value note.
4424 (find_expected_value): Remove.
4426 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
4428 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
4430 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
4431 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
4433 * configure.in: Call AC_FUNC_MMAP_FILE.
4434 * configure: Regenerate.
4435 * config.in: Regenerate.
4437 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
4438 * fixinc/fixincl.c: Likewise.
4440 2000-04-17 Richard Henderson <rth@cygnus.com>
4442 * builtins.c (expand_builtin_expect): New.
4443 (expand_builtin): Call it.
4444 * builtins.def (BUILT_IN_EXPECT): New.
4445 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
4446 * extend.texi: Document it.
4448 * predict.c (expected_value_to_br_prob): New.
4449 (find_expected_value): New.
4450 * basic-block.h (expected_value_to_br_prob): Declare.
4451 * toplev.c (rest_of_compilation): Invoke it.
4453 * rtl.h (NOTE_EXPECTED_VALUE): New.
4454 (NOTE_INSN_EXPECTED_VALUE): New.
4455 * rtl.c (note_insn_name): Update.
4456 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
4457 cases; handle NOTE_INSN_EXPECTED_VALUE.
4459 2000-04-17 Jakub Jelinek <jakub@redhat.com>
4461 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
4462 leaf sibcall delay slot if flag_pic.
4463 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
4465 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4467 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
4469 * fixproto: If fix-header fails, exit with an error.
4471 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
4473 * cse.c (struct check_depdendence_data): New.
4474 (check_dependence): New function.
4475 (invalidate): Use check_depdenence.
4477 2000-04-16 Mark Mitchell <mark@codesourcery.com>
4479 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
4480 UNITS_PER_WORD is unsigned.
4482 * tree.h (struct tree_common): Remove misleading comment.
4484 2000-04-16 Dave Pitts <dpitts@cozx.com>
4486 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
4487 message in quotes. Otherwise, IBM's make program treats the '#' as the
4488 start of a comment and ignores the remainder of the line.
4490 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
4492 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
4493 * cexp.y (initialize_random_junk): Likewise.
4494 * cppfiles.c (find_include_file): Cast alloca return value.
4495 * cppinit.c (initialize_standard_includes): Likewise.
4496 * cpplib.c (cpp_define, cpp_undef): Likewise.
4497 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
4498 * final.c (output_asm_insn): Allow for holes in EBCDIC.
4499 * fold-const.c (CHARMASK): New.
4500 (real_hex_to_f): Use it.
4501 * real.c (CHARMASK): New.
4502 (etoasc, asctoeg): Use it.
4503 (asctoeg): EBCDIC lower case characters preceed upper case.
4505 * i370.c (mvs_add_label): Change spacing for coding conventions.
4506 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
4507 outputing case vectors.
4508 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
4509 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
4510 since vector in in the data CSECT.
4511 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
4512 * i370.md (Many patterns): Put the length in the XL directives.
4513 (movdi): Put back STM and MVC in definition.
4514 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
4515 pattern using the TCA.
4516 * oe.h (CPP_SPEC): Added to allow trigraphs.
4517 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
4518 not support the "long long" type.
4520 2000-04-16 Mark Mitchell <mark@codesourcery.com>
4522 * config/mips/mips-protos.h (mips_legitimate_address_p): New
4524 (mips_reg_mode_ok_for_base_p): Likewise.
4525 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
4526 (REG_OK_FOR_INDEX_P): Define unconditionally.
4527 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
4528 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
4529 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
4530 that GET_MODE_SIZE is unsigned.
4531 (mips_reg_mode_ok_for_base_p): Define.
4532 (mips_legitimate_address_p): Likewise. Adjust now
4533 that GET_MODE_SIZE is unsigned.
4534 (block_move_loop): Make the number of bytes unsigned.
4535 (expand_block_move): Likewise.
4536 (function_arg): Make the loop counter unsigned to match the
4539 2000-04-16 Richard Henderson <rth@cygnus.com>
4541 * rtl.h (enum insn_note): New enumeration. Subsume
4542 NOTE_INSN_DELETED and friends.
4543 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
4544 * rtl.c (note_insn_name): Tweak string order.
4546 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
4548 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
4551 * cpplex.c (output_line_command): Remove debugging prints.
4552 (cpp_output_tokens): Don't write out a zero-length buffer or
4553 try to see if it has a newline in it.
4554 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
4555 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
4556 the end of the loop. Use memmove. Don't read past the end of
4557 the buffer. Remove trailing newlines from error messages.
4559 2004-04-16 Neil Booth <NeilB@earthling.net>
4561 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
4562 * cpplib.c: Add new syntax flags to directive table, and
4565 2000-04-15 Ulrich Drepper <drepper@redhat.com>
4567 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
4570 2000-04-15 David Edelsohn <edelsohn@gnu.org>
4572 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
4573 * haifa-sched.c: Update -fsched-verbose comments to use "=".
4575 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4577 * Makefile.in (ggc-page.o): Now includes toplev.h.
4578 * ggc-page.c (toplev.h): Now included.
4579 (gc_time): Remove declaration.
4580 (ggc_collect): TIME now long.
4581 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
4583 * toplev.h (gc_time, parse_time, gc_time): New declarations.
4585 * toplev.c: Make *_time variable long to reduce chance of overflow.
4586 (TIMEVAR): Likewise for `otime'.
4587 (print_time): Arg is now long; compute percentage in FP and round.
4588 * toplev.h (print_time): Arg is long.
4590 * tree.c: Minor whitespace changes.
4592 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
4593 * configure: Rebuilt.
4594 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
4595 (__fixunsxfDI): Renamed from __fixunsxfdi.
4596 (__fixunsdfDI): Renamed from __fixunsdfdi.
4597 (__fixunssfDI): Renamed from __fixunssfdi.
4598 (__floatdisf): Use proper type in REP_BIT macro.
4599 (__fixunsxfSI): Renamed from __fixunsxfsi.
4600 (__fixunsdfSI): Renamed from __fixunsdfsi.
4601 (__fixunssfSI): Renamed from __fixunssfsi.
4602 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
4603 Change location of macros and upper-case some names as above.
4604 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
4605 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
4607 * varasm.c (assemble_variable): Add cast to remove warning.
4608 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
4610 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
4611 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
4612 region number to -1.
4614 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
4616 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
4617 call unshare_all_rtl.
4619 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
4621 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
4623 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
4624 Use .s1 not .s0 for all FP instructions.
4626 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
4628 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
4630 (safe_fwrite, output_line_command): New static functions.
4631 (cpp_expand_to_buffer): Now private to cpplib.
4632 (cpp_scan_buffer): Take a printer.
4634 * cpphash.h: Update prototypes.
4635 * cpplib.h: Update prototypes.
4637 (cpp_buffer): Remove last_nominal_fname.
4638 (cpp_reader): Remove lineno.
4640 * cppmain.c: Use a cpp_printer.
4641 * fix-header.c: No need to inhibit line commands. Call
4642 cpp_start_read with no printer.
4644 * cpperror.c (cpp_notice_from_errno): Provide default name.
4645 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
4646 (find_include_file, cpp_read_file): Use make_IHASH.
4647 (file_cleanup): Set control_macro and clear
4648 input_stack_listing_current here.
4649 (_cpp_execute_include): Don't output entering-file marker.
4650 * cpphash.c (special_symbol): Look for the line number in the
4651 buffer, not the reader.
4652 (_cpp_macroexpand): No need to disable line commands.
4653 (_cpp_dump_definition): No need to generate line commands.
4654 (dump_hash_helper): Remove excess newline from output.
4655 * cppinit.c (dump_special_to_buffer): No need to generate line
4657 (cpp_printer_init): New.
4658 (cpp_start_read): Take a printer, and start it up if it's not
4659 NULL. No need to generate line commands.
4660 (cpp_finish): Expect no buffers stacked at all. Take a
4661 printer argument, and flush the output buffer if it's not
4663 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
4664 Don't put two hashes at the beginning of an assertion.
4665 (cpp_get_token): Don't increment pfile->lineno or emit line
4666 commands here. Return EOF if there's no buffer when we get
4668 * cpplib.c (do_define, skip_if_group):
4669 No need to disable line commands.
4670 (_cpp_output_line_command): Delete function.
4671 (do_line): Don't emit line commands here, but set things up so
4672 they will be emitted if necessary. Use _cpp_fake_ihash to
4673 make unique nominal_fnames if necessary.
4674 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
4675 with 0 for column, not -1.
4676 (_cpp_handle_eof): Don't set the control macro here. Don't
4677 clear input_stack_listing_current here. Don't emit line
4680 2000-04-14 Geoff Keating <geoffk@cygnus.com>
4682 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
4683 always, use the default SVR4 start address.
4685 * config/rs6000/linux.h (LINK_SPEC): Don't define.
4686 (LINK_SHLIB_SPEC): Define.
4687 (LINK_START_DEFAULT_SPEC): Define.
4688 (LINK_OS_DEFAULT_SPEC): Define.
4690 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
4692 * config/rs6000/eabi.asm (__eabi): Call __init rather than
4693 __do_global_ctors to handle constructors.
4694 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
4695 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
4696 (STARTFILE_MVME_SPEC): Likewise.
4697 (STARTFILE_SIM_SPEC): Likewise.
4698 (ENDFILE_ADS_SPEC): Use crtend.
4699 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
4700 (ENDFILE_MVME_SPEC): Likewise.
4701 (ENDFILE_SIM_SPEC): Likewise.
4702 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
4703 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
4704 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
4705 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
4706 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
4707 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
4708 (CRTSTUFF_T_CFLAGS_S): Define.
4709 * config/rs6000/eabi-ctors.c: Delete.
4711 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
4714 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
4718 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
4720 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
4721 plus mask size is smaller or equal to the mode size.
4723 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4725 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
4728 * expr.c (reload.h): Now included.
4729 (emit_block_move): Set volatile_ok when checking for movstr.
4730 (emit_move_1): Check for replacements in addresses in multi-word case.
4731 * Makefile.in (expr.o): Now includes reload.h.
4733 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
4734 Never have a LIBCALL end a basic block.
4735 (find_basic_blocks_1): Likewise.
4736 Reorganize CALL_INSN cases.
4738 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
4740 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
4742 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
4743 completers from mov.ret instruction.
4745 2000-04-14 Richard Henderson <rth@cygnus.com>
4747 * fold-const.c (extract_muldiv): Don't distribute and widen
4748 multiply across plus for non-sizetype unsigned types.
4750 2000-04-14 Richard Henderson <rth@cygnus.com>
4752 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
4753 If the original source is dead in the incr insn, it's dead now.
4755 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4757 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
4758 see if DECL_BIT_FIELD needs to still be set.
4760 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
4762 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
4763 print_int_cst_octal with something that's not an INTEGER_CST.
4765 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
4766 and not a SUBREG to a FLOAT rtl.
4768 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
4770 * emit-rtl.c (try_split): Avoid infinite loop if the split
4771 results in a sequence that contains the original insn.
4773 2000-04-13 Andreas Jaeger <aj@suse.de>
4775 * config/mips/mips.c (expand_block_move): Pass alignment
4776 argument to move_by_pieces in bits, not bytes.
4778 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
4779 __pic__ for little endian.
4781 2000-04-13 Andreas Jaeger <aj@suse.de>
4783 * config/i386/i386-protos.h: Add prototype for
4784 uno_comparison_operator.
4786 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
4788 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
4789 * calls.c (ECF_PURE): New flag.
4790 (emit_call_1): Handle ECF_PURE calls.
4791 (initialize_argument_information): Unset ECF_PURE flag too.
4792 (precompute_arguments): Precompute for ECF_PURE too.
4793 (expand_call): Handle ECF_PURE calls too.
4794 (emit_library_call_value_1): Rename no_queue argument to fn_type,
4795 accept value of 2 as pure function.
4796 (emit_library_call_value, emit_library_call): Rename no_queue argument
4798 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
4800 * tree.h (DECL_IS_PURE): New macro.
4801 (struct tree_decl): Add pure_flag.
4802 * c-common.c (enum attrs): Add attribute "pure".
4803 (init_attributes): Initialize attribute "pure"
4804 (decl_attributes): Handle attribute "pure".
4805 * extend.texi (Attribute "pure"): Document.
4806 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
4808 (flags_from_decl_or_type): Support attribute "pure".
4810 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
4812 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
4813 the token except for numbers and identifiers.
4815 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
4817 * i386.c (ix86_expand_binary_operator,
4818 ix86_expand_unary_operator): Check no_new_pseudos
4819 instead of reload_in_progress and reload_completed.
4820 (ix86_split_ashldi, ix86_split_ashrdi,
4821 ix86_split_lshrdi): Check no_new_pseudos instead
4822 of reload_completed.
4824 2000-04-12 Jeffrey A Law (law@cygnus.com)
4826 * function.c (purge_addressof): Unshare any shared rtl created by
4827 purge_addressof and its children.
4829 2000-04-12 Mark Mitchell <mark@codesourcery.com>
4831 * function.c (aggregate_value_p): VOID_TYPE nodes are never
4834 2000-04-05 Andreas Jaeger <aj@suse.de>
4836 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
4837 not compiling PIC code, add flags for mabi=64.
4838 (SUBTARGET_CPP_SIZE_SPEC): New.
4839 (SUBTARGET_CPP_SPEC): New.
4840 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
4841 for MIPS/Linux and lots of code needs these defines.
4843 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
4845 * reorg.c (fill_slots_from_thread): Check side_effects_p when
4846 trying the "opposite arithmetic" approach.
4848 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4850 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
4851 (struct sh_args): Add new field force_mem.
4852 (INIT_CUMULATIVE_ARGS): Initialize it.
4853 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
4855 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
4857 * calls.c (expand_call): Do not reverse args in "equal from" field.
4858 (emit_library_call_value_1): Emit_libcall_block for const and pure
4861 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4863 * reload1.c (reload_combine): Don't enable optimization for fixed
4864 registers when encountering a BARRIER.
4866 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
4868 * builtins.c (expand_builtin_memcmp): Do expansion even with
4869 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
4871 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
4872 stack is propertly aligned; add sanity checking for aligned
4874 (expand_library_call_value_1): Add sanity checking for aligned
4877 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
4879 * calls.c (emit_library_call_value_1): Change 3rd arg to
4880 locate_and_pad_parm to disregard the setting of partial.
4882 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4884 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
4886 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
4887 CALL_INSN from the normal case.
4889 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
4891 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
4892 New global variables.
4893 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
4895 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
4897 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
4898 TARGET_ADD_ESP_8): New macros.
4899 * i386.md: Add peep2s to convert esp adjustments to push and pop
4901 (pushsi_prologue, popsi_epilogue): New patterns.
4903 2000-04-12 Jakub Jelinek <jakub@redhat.com>
4905 * real.c (toe64): Remove stale #endif from the last change.
4907 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
4909 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
4910 * real.c (toe64): Revert previous change.
4912 2000-04-12 Jakub Jelinek <jakub@redhat.com>
4914 * objc/objc-act.c: Include ggc.h.
4915 (objc_tree_index, objc_global_trees): Convert most of the
4916 static tree variables into a static array with previous names
4918 (objc_ellipsis_node): New variable.
4919 (lang_init): Call objc_act_parse_init and c_parse_init.
4920 Create objc_ellipsis_node.
4921 (build_selector_translation_table): Use objc_ellipsis_node instead
4923 (hack_method_prototype): Likewise.
4924 (get_arg_type_list): Likewise.
4925 (start_method_def): Likewise.
4926 (continue_method_def): Likewise.
4927 (gen_method_decl): Likewise.
4928 (ggc_mark_imp_list): New function.
4929 (ggc_mark_hash_table): New function.
4930 (objc_act_parse_init): New function.
4931 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
4932 * c-parse.in (c_parse_init): For objc add roots of objc specific
4933 local tree variables.
4934 * objc/objc-parse.y: Rebuilt.
4935 * objc/objc-parse.c: Rebuilt.
4936 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
4938 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
4940 * cse.c (delete_trivially_dead_insns): Also delete insns
4941 that copy a register to itself where the destination is
4944 2000-04-11 Richard Henderson <rth@cygnus.com>
4946 * flow.c (struct propagate_block_info): Add new_dead, new_live.
4947 (propagate_block): Initialize them. Use them in parallel instead
4948 of one tmp variable, ie revert much of the 0408 and 0407 functional
4949 changes, but keep the structural changes.
4950 (mark_set_regs): Take new_dead from propagate_block_info instead.
4951 (mark_set_1, mark_set_reg): Likewise.
4952 (mark_used_regs): Likewise with new_live.
4953 (mark_used_reg): Likewise. Revert 0408 change.
4955 2000-04-11 Nick Clifton <nickc@cygnus.com>
4957 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
4959 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
4961 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4963 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
4964 const section to output a CONSTRUCTOR based on the same conditions
4967 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
4969 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
4970 * pa/pa-protos.h (output_call): Add additional argument indicating
4971 if the call is a sibling/tail call.
4972 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
4973 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
4974 (function_arg, function_arg_partial_nregs): Likewise
4975 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
4976 (emit_move_sequence): Zero extend certain constants as needed
4978 (compute_zdepdi_operands, output_64bit_and): New functions.
4979 (output_64bit_ior, function_arg): Likewise.
4980 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
4981 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
4982 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
4983 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
4984 (output_bvb): Likewise.
4985 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
4986 (output_call): New argument 'sibcall'. Generate sibcall sequences
4988 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
4989 (ouput_arg_descriptor): Do not emit argument descriptors for
4991 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
4993 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
4994 (FUNCTION_OK_FOR_SIBALL): Define.
4995 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
4996 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
4997 (CPP_SPEC): Use new spec infrastructure.
4998 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
4999 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
5000 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
5001 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
5002 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
5003 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
5004 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
5005 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
5006 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
5007 (FUNCTION_ARG); Call out to C code.
5008 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
5009 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
5010 (MIN_UNITS_PER_WORD): Likewise.
5011 * pa/pa.md (cmpdi): New expander.
5012 (scc patterns, movstrsi): Not available for TARGET_64BIT.
5013 (64bit conditional arithmetic): New patterns.
5014 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
5015 (movsicc): Not available if modes on all the operands to not match.
5016 (movdicc): New expander and associated patterns.
5017 (64bit branches): New patterns.
5018 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
5019 (pre_ldd, post_std): New patterns.
5020 (64bit addil, load low part): New patterns.
5021 (special movsf constant): Not available for TARGET_64BIT.
5022 (movsf, movdf expanders): Force constants into memory.
5023 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
5024 (64bit movdf/movdi patterns): New patterns.
5025 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
5027 (extendqidi2, extendhidi2, extendsidi2): Similarly.
5028 (adddi3 expander): Allow "arith_operand" for second input.
5029 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
5030 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
5031 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
5032 (muldi3): New expander for TARGET_64BIT.
5033 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
5035 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
5036 patterns for TARGET_64BIT.
5037 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
5038 patterns for TARGET_64BIT.
5039 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
5040 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
5041 (sibcall_epilogue): New expander.
5042 (casesi): Tweak for TARGET_64BIT.
5043 (call expanders): Set & use the outgoing argument pointer. Use the
5044 64bit call patterns as needed. Add additional arg to output_call.
5045 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
5046 (sibcall, sibcall_internal_symref): New expanders.
5047 (sibcall_value, sibcall_value_internal_symref
5048 (interspace_jump): Turn into an expander + matching patterns.
5049 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
5050 * pa/pa64-regs.h: Eliminate trigraph sequences.
5051 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
5053 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
5055 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
5056 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
5057 cpp_token with cpp_ttype everywhere.
5058 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
5059 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
5060 CPP_BUF_COL. Line and column numbers are unsigned int, not
5062 * cpplex.c (cpp_buf_line_and_col): Delete.
5063 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
5064 'long lineno' to 'unsigned int lineno'.
5065 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
5067 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5069 * extend.texi: ISO C99 is not a draft anymore.
5070 * invoke.texi: ISO C++ is not a draft anymore.
5071 * cpp.texi: __cplusplus is required by the ISO standard.
5073 * extend.texi (-fthis-is-variable): Undocument.
5074 * flags.h (warn_template_debugging): Remove declaration.
5075 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
5076 -Wenum-clash, -Wtemplate-debugging): Undocument.
5078 2000-04-10 Nick Clifton <nickc@cygnus.com>
5080 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
5082 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
5084 (ARM_SIGN_EXTEND): Use HOST_UINT.
5085 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
5086 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
5087 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
5088 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
5090 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
5091 (arm_gen_constant): Use HOST_UINT.
5092 (arm_canonicalize_constant): Use HOST_UINT.
5093 (arm_reload_in_hi): Use HOST_UINT.
5094 (arm_reload_out_hi): Use HOST_UINT.
5095 (output_multi_immediate): Use HOST_UINT.
5096 (int_log2): Use HOST_UINT.
5097 (arm_poke_function_name): Use HOST_UINT.
5098 (arm_output_epilogue): Use arm_volatile_func().
5099 (output_thumb_prologue): Use arm_strip_name_encoding().
5101 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5103 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
5104 of sequence point problems.
5106 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
5108 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
5110 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
5112 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5114 * sbitmap.h: Whitespace changes and use upper-case macro args.
5115 (struct simple_bitmap_def): All sizes now unsigned.
5116 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
5117 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
5118 (sbitmap_vector_alloc): Parms and local vars now unsigned.
5119 (sbitmap_zero): Cast bzero arg to PTR.
5120 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
5121 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
5122 loop to make structure clearer.
5123 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
5124 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
5125 (sbitmap_a_and_b_or_c): Likewise.
5126 (sbitmap_intersection_of_succs): Minor cleanups.
5127 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
5128 (sbitmap_union_of_preds): Likewise.
5129 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
5130 (debug_sbitmap): New function.
5132 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
5133 * c-typeck.c (convert_for_assignment): Likewise.
5135 * expmed.c (init_expmed): Don't free objects we make.
5136 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
5138 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
5139 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
5141 * gcse.c (expr_hash_table_size): Now unsigned.
5142 (compute_ae_gen): Local variable `i' now unsigned.
5143 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
5144 (compute_transout, hoist_code): Likewise.
5145 (compute_local_properties): Likewise, also hash_table_size.
5146 (alloc_expr_hash_table): N_INSNS now unsigned.
5147 (delete_null_pointer_checks): Mark arg F as unused.
5149 * regrename.c: Minor cleanups, including chang some variables
5152 2000-04-10 Neil Booth <NeilB@earthling.net>
5154 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
5156 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
5158 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5160 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
5161 __classof__, and __headof__ from the list of gnu keywords.
5162 (-ansi): Remove -foperator-names from list of implied options.
5163 Do not call it ANSI C++.
5164 (-foperator-names): Document as -fno-operator-names.
5166 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
5168 * cpphash.c (timestamp): Delete.
5169 (del_HASHNODE): If type is T_MCONST, free value.cpval.
5170 (special_symbol): Remove unnecessary braces. Remove
5171 T_VERSION. Treat T_STDC like T_CONST unless
5172 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
5173 when one is encountered, then convert them into T_MCONST
5175 * cppinit.c (builtin_array): version_string is T_MCONST.
5176 __STDC__ has a "1" in its cpval. Don't have a terminator
5177 entry. Clean up which entries are dumped.
5178 (initialize_builtins): Only __STDC__ gets the special
5179 -traditional treatment. Count the length of builtin_array.
5180 Render version_string here.
5181 * cpphash.h: Remove T_VERSION. Add T_MCONST.
5182 * cpplib.h (struct cpp_reader): Remove timebuf.
5184 2000-04-09 Richard Henderson <rth@cygnus.com>
5186 * genrecog.c (pred): Update comparison_operator for the unordered
5189 * config/i386/i386.c (no_comparison_operator): Disallow unordered
5191 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
5192 (uno_comparison_operator): New.
5193 (put_condition_code): Handle UNORDERED/ORDERED.
5194 (unsigned_comparison): Likewise.
5195 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
5196 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
5197 (ix86_expand_fp_compare): Use them. Take scratch as argument,
5198 update all callers. Handle all 8 unordered operators.
5199 (ix86_expand_setcc): Lose the unordered argument, update all callers.
5200 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
5201 * config/i386/i386.h (PREDICATE_CODES): Update.
5202 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
5203 (ix86_expand_branch, ix86_expand_setcc): Update.
5204 * config/i386/i386.md (sunordered, sordered): New.
5205 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
5206 (bunordered, bordered): New.
5207 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
5208 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
5209 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
5211 2000-04-09 Philip Blundell <philb@gnu.org>
5213 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
5215 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
5217 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
5218 fix_truncxfhi2): New patterns.
5219 * i386.c (output_fix_trunc): Handle converting to HImode.
5221 2000-04-08 Alex Samuel <samuel@codesourcery.com>
5223 * ssa.c (convert_to_ssa): Eliminate dead code when calling
5225 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
5226 (for_each_successor_phi): Change parameter to basic_block.
5227 (coalesce_regs_in_successor_phi_nodes): Likewise.
5228 (coalesce_regs_in_copies): Likewise.
5229 (compute_coalesced_reg_partition): Use basic_block instead of index.
5230 * rtl.h (convert_to_ssa): Delete.
5231 (convert_from_ssa): Likewise.
5232 (successor_phi_fn): Likewise.
5233 (for_each_successor_phi): Likewise.
5234 (in_ssa_form): Likewise.
5235 * basic-block.h (convert_to_ssa): Moved from rtl.h.
5236 (convert_from_ssa): Likewise.
5237 (successor_phi_fn): Likewise.
5238 (in_ssa_form): Likewise.
5239 (for_each_successor_phi): Likewise. Change parameter to basic_block.
5240 * flow.c (calculate_global_regs_live): Pass a basic_block to
5241 for_each_successor_phi.
5243 2000-04-08 Richard Henderson <rth@cygnus.com>
5245 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
5246 was modified in the current insn.
5248 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5250 * arm/thumb.md: Delete.
5251 * arm/thumb-protos.h: Delete.
5253 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5255 Merge changes from merged-arm-thumb-backend-branch onto trunk.
5257 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5259 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
5262 * arm.md (nop): Use the standard RTL expression. Don't code as a
5264 (*arm_nop, *thumb_nop): Delete.
5266 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
5267 constants. Use casts instead.
5268 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
5269 output_multi_immediate, arm_poke_function_name): Likewise.
5270 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
5271 MASK_RETURN_ADDDR): Likewise.
5273 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
5275 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
5278 * arm.md (eh_epilogue): New function.
5279 * arm.h (struct machine_function): Move to here ...
5280 * arm.c: ... from here.
5281 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
5282 (thumb_exit): Extra parameter eh_ofs. All callers changed.
5283 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
5285 2000-03-30 Nick Clifton <nickc@cygnus.com>
5287 * config/arm/semi.h (ASM_SPEC): Restore definition.
5288 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
5290 * config/arm/elf.h (ASM_SPEC): Restore definition.
5291 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
5293 * config/arm/arm.h (ASM_SPEC): Remove definition.
5294 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
5296 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
5298 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
5300 2000-03-24 Nick Clifton <nickc@cygnus.com>
5302 Various formating tidyups, elimination of compile time
5303 warnings and synchronisation with internal sources:
5305 * config/arm/arm-protos.h (assemble_align): Add prototype.
5306 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
5307 (gen_comapre_reg): Rename to arm_gen_compare_reg.
5308 (arm_return_addr_rtx): Rename to arm_return_addr.
5310 * config/arm/arm.c: Include except.h.
5311 Define shorter typenames for strict minipool_node and struct
5313 (arm_return_in_memory): For WinCE return all structures <= 32 bits
5315 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
5316 (gen_comapre_reg): Rename to arm_gen_compare_reg.
5318 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
5320 (ASM_SPEC): Define if not already defined.
5321 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
5323 * config/arm/arm.md: Rename references to gen_rotated_half_load to
5324 arm_gen_rotated_half_load, and references to gen_comapre_reg to
5325 arm_gen_compare_reg.
5326 (indirect_jump): Only accept register operands.
5327 (load_indirect_jump): Keep this pattern since combine can generate
5330 * config/arm/coff.h: Include aout.h.
5331 (MULTILIB_DEFAULTS): Only define if not already defined.
5333 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
5334 into arm.h (so that COFF ports can support thumb based aliases).
5335 (ASM_SPEC): Move definition into arm.h
5337 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
5338 redundant apcs spec.
5339 (ASM_SPEC): Move definition to arm.h
5341 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
5343 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
5344 for entries in the .bss section
5346 2000-03-23 Nick Clifton <nickc@cygnus.com>
5348 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
5349 to thumb_far_jump_used_p.
5351 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
5352 single integer parameter.
5354 * config/arm/arm.c (struct machine_function): Add two new
5355 fields, 'far_jump_used' and 'arg_pointer_live'.
5356 (thumb_far_jump_used_p): Once the decision has been made that
5357 far jumps might be used, always return true.
5358 If being called from the initial elimination offset macro then
5359 do not bother to perform the test if the arg pointer is not
5361 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
5362 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
5364 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
5366 * arm.c (output_return_instruction): Handle more cases where we can
5367 return from a function with an ldr instruction.
5368 (arm_output_epilogue): Likewise.
5370 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
5371 if we need to push a large stack frame and there are no callee-saved
5374 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
5375 in ARM code if the frame pointer has been eliminated.
5377 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
5378 unspec_volatile arguments to avoid duplicates.
5379 (consttable_1, consttable_2): Fixes for big-endian mode.
5381 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
5384 Re-write constant pool code.
5385 * arm.c (minipool_node, minipool_fix): New types.
5386 (minifix): Delete type.
5387 (arm_add_minipool_constant): Delete.
5388 (arm_compute_minipool_offsets, arm_find_barrier,
5389 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
5390 (get_jump_table_size): Now returns HOST_WIDE_INT.
5391 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
5393 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
5394 (assign_minipool_offsets, arm_print_value): Likewise.
5395 (dump_minipool): Rewrite.
5396 (arm_barrier_cost): New function.
5397 (create_fix_barrier): New function.
5398 (push_minipool_barrier): New function.
5399 (push_minipool_fix): Record additional information about the fixup
5401 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
5402 check the mode of what needs fixing.
5403 (arm_reorg): Rewrite.
5405 2000-03-08 Nick Clifton <nickc@cygnus.com>
5407 * config/arm/arm.md (indirect_jump): Force constant addresses into
5410 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
5412 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
5414 2000-02-24 Nick Clifton <nickc@cygnus.com>
5416 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
5417 adjust is word aligned.
5418 (thumb_expand_epilogue): Make sure that stack adjust is word
5421 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
5423 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
5425 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
5426 pointer relative addresses.
5428 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
5430 * arm.c (find_barrier): Find the last barrier within the allowed
5433 2000-02-09 Nick Clifton <nickc@cygnus.com>
5435 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
5437 2000-02-09 Nick Clifton <nickc@cygnus.com>
5439 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
5440 ARM_FUNCTION_PROFILER.
5442 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
5443 ARM_FUNCTION_PROFILER.
5445 * config/arm/linux-oldld.h: Imported from mainline sources.
5447 2000-02-07 Nick Clifton <nickc@cygnus.com>
5449 * config/arm/lib1funcs.asm: Merge in thumb functions from
5452 * config/arm/lib1thumb.asm: Delete.
5454 2000-02-04 Nick Clifton <nickc@cygnus.com>
5456 * config/arm/arm.c: Sychronised with current Red hat local
5458 * config/arm/arm.h: Ditto.
5459 * config/arm/arm-protos.h: Ditto.
5461 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
5463 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
5465 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
5468 2000-02-02 Nick Clifton <nickc@cygnus.com>
5470 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
5472 * config/arm/arm.md (epilogue): Fix rtl checking abort because
5473 (return) was emited using an emit_insn() call.
5475 2000-01-31 Nick Clifton <nickc@cygnus.com>
5477 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
5479 (thumb_exit): Move frame pointer back into hard frame pointer
5480 register if backtracing is being used.
5482 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
5484 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
5487 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
5489 * config/arm/arm.md (neg_pool_offset): Provide default for new
5491 (arm_movsi_insn): Add neg_pool_offset attribute.
5492 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
5493 rtx for the insn that starts the scan and an unsigned long for its
5494 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
5495 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
5496 instructions in *PINSERTED.
5497 (struct minipool_fixup): Add MIN_ADDRESS elt.
5498 (sort_fixups): Compute it.
5499 (arm_reorg): Changes to support inserting pools before the insn to be
5502 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
5504 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
5505 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
5506 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
5508 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
5510 * config/arm/semi.h (TARGET_VERSION): Do not define if already
5512 (TARGET_DEFAULT): Do not define if already defined.
5514 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
5516 * config/arm/arm.md (anddi3): Allow disjoint source operands.
5517 (iordi3): Allow disjoint source operands.
5518 (xordi3): Allow disjoint source operands.
5519 (negdi2): Permit construction for ARM and Thumb.
5520 (arm_negdi2): Renamed version of old negdi2 pattern.
5521 (thumb_negdi2): New pattern: Only permit non-overlapping
5522 source and destination.
5524 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
5526 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
5527 scratch low register so that it will not be deleted.
5529 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
5531 * config/arm/pe.h (ARM_PE): Define.
5533 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
5534 interfacearm attribute if this is a PE toolchain.
5535 (output_return_instruction): Do not emit anything if the function
5536 has the naked attribute set.
5537 (is_called_in_ARM_mode): If the function has the interfacearm
5538 attribute then return true.
5539 (thumb_expand_prologue): Do not generate a prologue for naked
5541 (thumb_expand_epilogue): Do not generate an epilogie for a naked
5543 (output_thumb_prologue): Do not bother if the function is naked.
5544 Strip PE encoding from function name before emitting.
5546 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
5548 * arm.md (pic_load_addr): Fix constraints.
5550 * arm.md (casesi_insn): Fix mis-applied patch.
5552 * arm.md ("core" function unit): Add rules for single- and
5554 (All TARGET_THUMB patterns): Add "type" attribute information
5556 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
5557 the following insn is a CALL.
5559 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
5561 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
5562 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
5563 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
5565 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
5567 * config/arm/linux-gas.h: oops - this file was missed out when the
5568 branch was created...
5570 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
5572 * thumb.c: Deleted. Move contents to ...
5574 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
5576 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
5579 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
5580 declare a prototype for asm_output_align();
5582 * arm.c (thumb_condition_code): Delete.
5583 (arm_print_operand): Always use arm_condition_code array.
5585 * arm.c (thumb_return_addr_rtx): Delete.
5586 (arm_save_machine_status, arm_restore_machine_status): Delete.
5587 (arm_init_machine_status, arm_mark_machine_status): New functions.
5588 (arm_init_expanders): Update accordingly.
5589 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
5590 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
5591 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
5593 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
5595 * configure.in : Fix arm-*-aout target to use new t-arm-aout
5597 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
5600 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
5602 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
5603 stack backtrace structure.
5605 * config/arm/arm-protos.h: Add prototypes for functions defined in
5608 * config/arm/arm.c (arm_override_options): Fix selection of
5609 attributes of default processor.
5611 * config/arm/coff.h: Delete needless #include.
5613 * config/arm/pe.c: Delete unused code.
5615 * config/arm/pe.h (CPP_DEFINES): Delete
5616 (SUBTARGET_CPP_SPEC): Define.
5617 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
5619 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
5621 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
5623 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
5625 (CAN_DEBUG_WITHOUT_FP): Define.
5626 (FIXED_REGISTERS): Make r11 call-saved.
5627 (CALL_USED_REGISTERS): Likewise.
5628 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
5629 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
5630 frame-pointer is required.
5631 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
5632 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
5633 if the target normally needs a stack frame in non-leaf functions.
5634 (use_return_insn): Correct logic for determining when a return
5635 instruction can be used.
5636 (output_return_instruction): Handle the frame-pointer register as
5637 a normal register when not TARGET_APCS_FRAME.
5638 (arm_output_prologue): Likewise.
5639 (arm_output_epilogue): Likewise.
5640 (output_func_epilogue): Likewise.
5641 (arm_expand_prologue): Likewise.
5642 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
5644 * arm.c (use_return_insn): No need to check floating point regs if
5646 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
5647 the code of value stored in the minipool array.
5648 (arm_add_minipool_constant): Likewise.
5650 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5652 * basic-block.h (conflict_graph_enum_fn): K&R fix.
5654 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5656 * tree.c (tree_expr_nonnegative_p): New function.
5658 * tree.h (tree_expr_nonnegative_p): Declare.
5660 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
5661 elide some sign_compare warnings.
5662 (build_conditional_expr): Likewise.
5664 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
5666 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
5668 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
5669 * i386.c (print_operand): Use the proper suffix for a 387 HImode
5670 operand. Abort if a 387 operand has an unsupported size.
5672 2000-04-08 Neil Booth <NeilB@earthling.net>
5674 * cppexp.c (parse_charconst): Null does not end character
5676 * cppinit.c (ISTABLE): Null character handled as whitespace.
5677 * cpplex.c (null_warning): new function.
5678 (skip_string): Emit warning if nulls encountered.
5679 (_cpp_skip_hspace): Emit warning if nulls encountered.
5680 (_cpp_lex_token): Emit warning if nulls encountered. Drop
5684 2000-04-07 Richard Henderson <rth@cygnus.com>
5686 * flow.c (loop_depth): Remove.
5687 (reg_next_use, cc0_live, mem_set_list): Replace with ...
5688 (struct propagate_block_info): New.
5689 (life_analysis): Don't allocate reg_next_use.
5690 (propagate_block_delete_insn): Break out of propagate_block.
5691 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
5692 (propagate_block_delete_libcall): Likewise.
5693 (propagate_block): Create a propagate_block_info struct to pass
5694 to subroutines. Allocate one not two temporary regsets. Don't
5695 clobber memory for const calls. Look for clobbers in
5696 CALL_INSN_FUNCTION_USAGE.
5697 (mark_set_regs): Recognize COND_EXEC.
5698 (mark_set_reg): Break out of mark_set_1.
5699 (mark_used_reg): Break out of mark_used_regs.
5700 (mark_used_regs): Recognize COND_EXEC.
5701 (insn_dead_p): Use propagate_block_info struct.
5702 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
5703 (find_auto_inc, try_pre_increment_1): Likewise.
5704 (print_rtl_with_bb): Dump regs live at end too.
5705 (count_reg_sets_1): Pass in loop_depth.
5706 (count_reg_sets, count_reg_references): Likewise.
5707 (recompute_reg_usage): Provide it.
5709 2000-04-07 Richard Henderson <rth@cygnus.com>
5711 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
5714 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
5716 * cpplib.c (do_elif): Skip the rest of the line if we're
5717 not going to bother evaluating it.
5718 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
5719 to avoid pointless calls to the lexer.
5721 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
5723 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
5725 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
5727 * calls.c (expand_call): emit_queue if we're trying a sibcall.
5729 2000-04-07 Jakub Jelinek <jakub@redhat.com>
5731 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
5733 2000-04-06 Geoff Keating <geoffk@cygnus.com>
5735 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
5736 crtend so they can be multilibbed.
5737 (STAGESTUFF): Remove s-crt and s-crtS.
5739 2000-04-07 Richard Henderson <rth@cygnus.com>
5741 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
5742 if we discover we need a pseudo and no_new_pseudos is true.
5743 * config/alpha/alpha.md (ne:DI insn): New.
5744 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
5746 2000-04-07 Richard Henderson <rth@cygnus.com>
5748 * rtl.def (COND_EXEC): New.
5749 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
5750 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
5752 * genconfig.c (have_cond_arith_flag): Remove.
5753 (have_cond_exec_flag): New.
5754 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
5755 (main): Print HAVE_conditional_execution.
5757 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
5758 (sched_analyze_insn, print_pattern): Likewise.
5759 * reload.c (find_equiv_reg): Likewise.
5760 * rtlanal.c (reg_referenced_p): Likewise.
5761 (note_stores, dead_or_set_regno_p): Likewise.
5762 (reg_overlap_mentioned_p): Rewrite to use a switch.
5764 * ggc.h (struct rtx_def): Forward declare.
5766 * print-rtl.c (debug_rtx_range): New.
5767 * rtl.h (debug_rtx_range): Declare.
5769 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
5771 * gcse.c (gcse_main): Don't rebuild the CFG here.
5772 (delete_null_pointer_checks): Likewise.
5773 * ssa.c (convert_to_ssa): Likewise.
5774 * toplev.c (rest_of_compilation): Do it here instead. Combine
5775 sequential calls to TIMEVAR. Consistently use `insns' instead of
5776 `get_insns()'. Always split insns after reload when optimizing.
5778 * basic-block.h (merge_blocks_nomove): Declare.
5779 (tidy_fallthru_edge): Declare.
5780 * flow.c (merge_blocks_nomove): Document as merging into previous
5781 blocks. Remove cruft from between blocks; remove all edges out of A.
5782 (tidy_fallthru_edge): Export.
5784 2000-04-06 Alex Samuel <samuel@codesourcery.com>
5786 * ssa.c (compute_conservative_reg_partition): Declare with
5788 * toplev.c (clean_dump_file): Remove previously-deleted function
5789 inadvertantly merged back in.
5790 * conflict.c (conflict_graph_add): Use a single call to
5791 htab_find_slot to look up and insert.
5793 2000-04-06 Richard Henderson <rth@cygnus.com>
5795 * genrecog.c (*): Rename _last_insn to last_insn.
5796 (make_insn_sequence): Set the position of the peephole2 C test
5797 to be at the last insn.
5799 2000-04-06 Richard Henderson <rth@cygnus.com>
5801 * flow.c (compute_flow_dominators): Free worklist.
5803 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
5805 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
5807 2000-04-06 Alex Samuel <samuel@codesourcery.com>
5809 * rtl.h (INSN_P): New macro.
5810 (successor_phi_fn): New typedef.
5811 (for_each_successor_phi): New prototype.
5812 (in_ssa_form): New variable.
5813 (PHI_NODE_P): Likewise.
5814 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
5815 phi nodes in successors.
5816 (mark_used_regs): Add PHI case.
5817 (set_phi_alternative_reg): New function.
5818 (life_analysis): Assert that dead code elimination is not selected
5820 * toplev.c (to_ssa_time): New variable.
5821 (from_ssa_time): Likewise.
5822 (compile_file): Zero to_ssa_time and from_ssa_time.
5823 Print time to convert to and from SSA.
5824 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
5825 (print_time): Compute percent fraction as integer.
5826 * ssa.c (PHI_NODE_P): Moved to rtl.h.
5827 (convert_to_ssa): Check if we're already in SSA.
5828 Don't eliminate dead code in life_analysis.
5829 Rerun flow and life analysis at bottom.
5830 (eliminate_phi): Use canonical regnos when adding nodes.
5831 (mark_reg_in_phi): New function.
5832 (mark_phi_and_copy_regs): Likewise.
5833 (convert_from_ssa): Rerun life analysis at top.
5834 Use coalesced partition.
5835 Check for removing a phi node at the end of the block.
5836 (compute_coalesced_reg_partition): New function.
5837 (coalesce_regs_in_copies): Likewise.
5838 (coalesce_reg_in_phi): Likewise.
5839 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
5840 (for_each_successor_phi): Likewise.
5841 (rename_context): New struct.
5842 (rename_block): Use a rename_context with rename_insn_1. When
5843 renaming sets of a subreg, emit a copy of the entire reg first.
5844 (rename_insn_1): Treat data as a rename_context *. Save current
5846 (rename_set_data): Add field set_insn.
5847 * Makefile.in (HASHTAB_H): Move up in file.
5848 (OBSTACK_H): New macro.
5849 (collect2.o): Use OBSTACK_H in dependencies.
5850 (sdbout.o): Likewise.
5851 (emit-rtl.o): Likewise.
5852 (simplify-rtx.o): Likewise.
5853 (fix-header.o): Likewise.
5854 (OBJS): Add conflict.o.
5855 (conflict.o): New rule.
5856 * basic-block.h: Include partition.h.
5857 (conflict_graph): New typedef.
5858 (conflict_graph_enum_fn): Likewise.
5859 (conflict_graph_new): New prototype.
5860 (conflict_graph_delete): Likewise.
5861 (conflict_graph_add): Likewise.
5862 (conflict_graph_conflict_p): Likewise.
5863 (conflict_graph_enum): Likewise.
5864 (conflict_graph_merge_regs): Likewise.
5865 (conflict_graph_print): Likewise.
5866 (conflict_graph_compute): Likewise.
5867 * conflict.c: New file.
5869 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
5871 * tlink.c (read_repo_files): Don't look for .rpo info for
5874 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5876 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
5878 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5880 * config/sh/lib1funcs.asm (___udivsi3_i4):
5881 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
5882 only depends on FMOVD_WORKS.
5884 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5886 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
5887 make double constant 8-byte aligned.
5889 2000-04-06 Jakub Jelinek <jakub@redhat.com>
5891 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
5892 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
5893 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
5894 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
5895 Accept storing GENERAL_REGS into offsetable memory.
5896 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
5897 building a TFmode constant other than 0.0L into GENERAL_REGS.
5899 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
5901 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
5903 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
5905 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
5906 (macro_cleanup): No need to cast pbuf->macro.
5907 (collect_expansion): Use _cpp_get_define_token. Goto done if
5908 it returns VSPACE. Remove check for trailing space after
5910 (_cpp_create_definition): Don't diddle flags here. Return
5912 (unsafe_chars): Handle c1 being EOF.
5913 (push_macro_expansion): Use unsafe_chars for both accidental-paste
5914 checks. Don't push the buffer till after we're done with
5916 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
5917 (PEEKN, FORWARD, GETC, PEEKC): Use them.
5918 (cpp_push_buffer): Don't set new->alimit. Set new->mark
5920 (_cpp_parse_assertion): Don't NUL terminate.
5921 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
5922 hspace before calling _cpp_parse_assertion. Remove all sets
5923 of only_seen_white. Treat '\f' as hspace. Don't do anything
5924 special with '\n' here.
5925 (maybe_macroexpand): Handle T_EMPTY hash entries without
5926 pushing a buffer at all.
5927 (cpp_get_token): Handle clearing only_seen_white here. Handle
5928 incrementing the line number here. Clear
5929 potential_control_macro as well as only_seen_white, if
5931 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
5932 (_cpp_get_define_token): New function, basically like
5933 _cpp_get_directive_token was but doesn't eat horizontal space.
5934 Don't do anything with only_seen_white here.
5935 (_cpp_get_directive_token): Just call _cpp_get_define_token
5936 repeatedly till it returns non-hspace.
5938 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
5939 (conditional_skip, skip_if_group): Return int.
5940 (DIRECTIVE_TABLE): Change origin of all conditional directives
5942 (TRAD_DIRECT_P): New macro.
5943 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
5944 an error for a bogus directive, unless -lang-asm. Use
5945 TRAD_DIRECT_P. Loop calling handler functions till one returns
5947 (get_macro_name): Don't diddle flags here.
5948 (do_define): Diddle flags here. Use _cpp_get_directive_token.
5949 Create T_EMPTY nodes for #define macro /* nothing */.
5950 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
5951 Use hp->name when calling pass_thru_directive.
5952 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
5953 Return the result of conditional_skip and/or skip_if_group.
5954 Don't call _cpp_output_line_command.
5955 (consider_directive_while_skipping): Use _cpp_get_directive_token.
5956 Issue -Wtraditional warnings as appropriate. Don't complain
5957 about unrecognized directives. If we are to stop skipping,
5958 return the number of the directive that ended the skip.
5959 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
5960 expansion and line commands while skipping. Return the result
5961 of consider_directive_while_skipping, if nonzero.
5962 (do_endif): Just set potential_control_macro here.
5963 (validate_else): Use _cpp_get_directive_token.
5964 (do_assert, do_unassert): Don't save pointers into the
5965 token_buffer across calls to the lexer. Use
5966 _cpp_get_directive_token.
5968 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
5969 pointer, not an offset. Replace 'data', which was a generic
5970 pointer, with 'macro', which points to a struct hashnode.
5971 (cpp_reader): Add 'potential_control_macro' pointer.
5972 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
5973 (CPP_BUF_GET, CPP_FORWARD): Delete.
5974 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
5975 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
5976 ACTIVE_MARK_P): Update.
5977 (_cpp_get_define_token): New internal function.
5978 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
5980 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
5982 * configure.in: And here.
5983 * configure: Regenerate.
5984 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
5985 --enable-libstdcxx-v3 is passed at configure time.
5986 * config.h.in: Regenerate.
5988 2000-04-05 Mark Mitchell <mark@codesourcery.com>
5990 * final.c (final): Use xcalloc to allocate line_note_exists.
5991 * function.c (free_after_compilation): Free the temp_slots.
5992 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
5993 (combine_temp_slot): Free temp_slots when they get combined.
5994 (purge_addressof): Fix typo in comment.
5995 * stmt.c (mark_goto_fixup): Mark the fixup itself.
5996 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
5998 * ggc.h: Include varray.h.
5999 (ggc_pending_trees): Declare.
6000 (ggc_mark_tree_children): Remove declaration.
6001 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
6002 * ggc-common.c (ggc_pending_trees): New variable.
6003 (ggc_mark_roots): Call ggc_mark_trees.
6004 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
6005 the ggc_pending_trees.
6006 * Makefile.in (GGC_H): New variable. Use it throughout in place
6009 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6011 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
6014 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6016 * sh.c (sh_insn_length_adjustment): New function.
6017 * sh-protos.h (sh_insn_length_adjustment): Declare.
6018 * sh.h (ADJUST_INSN_LENGTH): Use it.
6020 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
6022 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
6023 from the insn where REG_RETVAL is added.
6024 (emit_no_conflict_block): Ditto.
6026 * md.texi (Standard Names): Clarify when movX is needed.
6028 * combine.c (simplify_comparison) [MINUS]: Do not replace
6029 all (op (minus A B) 0) with (op A B).
6031 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
6032 J"orn Rennecke <amylaar@cygnus.co.uk>
6034 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
6035 (block_lump_real): Likewise.
6037 2000-04-05 Chris Demetriou <cgd@netbsd.org>
6039 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
6040 remaining non-zero debugging masks.
6042 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
6044 * basic-block.h (verify_flow_info): Declare.
6045 (flow_loop_outside_edge_p): Declare.
6046 * flow.c (verify_flow_info): Remove declaration.
6047 (clear_log_links, flow_loop_outside_edge_p): Likewise.
6049 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
6051 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
6054 2000-04-05 Jakub Jelinek <jakub@redhat.com>
6056 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
6057 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
6058 seqdi_zero_trunc+1): Allow splits only if registers are
6061 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
6063 * acconfig.h: Add HAVE_GAS_HIDDEN.
6064 * config.in: Regenerated.
6065 * configure.in: Add test for .hidden pseudo-op in gas.
6066 * configure: Regenerated.
6067 * crtstuff.c: Include auto-host.h.
6068 Emit additional .hidden pseudo-op for __dso_handle if the
6069 assembler knows about it.
6071 2000-04-04 Philippe De Muyter <phdm@macqel.be>
6073 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
6074 before freeing argnames.
6075 * cpplib.c (do_ifndef): Cast return value of xstrdup.
6077 2000-04-05 Michael Meissner <meissner@redhat.com>
6079 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
6080 Walton <jonboy@gordian.com> to make memory references with update
6081 work wtih -mregnames.
6083 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6085 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
6086 (regrename_optimize): Rename variables `def_uses' and
6087 `ext_basic_blocks' to avoid conflicts with similarly named
6088 typedefs in traditional C.
6090 * calls.c (initialize_argument_information): Fix typo in previous
6093 2000-04-04 Richard Henderson <rth@cygnus.com>
6095 * regrename.c (consider_available): Test fixed_regs not
6096 PIC_OFFSET_TABLE_REGNUM.
6098 2000-04-04 Geoff Keating <geoffk@cygnus.com>
6100 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
6102 (CRTSTUFF_T_CFLAGS_S): Delete definition.
6103 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
6104 (ENDFILE_LINUX_SPEC): Always use crtend.
6105 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
6106 (powerpc-*-linux-gnu): Likewise.
6107 * configure: Regenerate.
6109 * config/rs6000/eabi.h: Don't include sysv4.h.
6110 (MULTILIB_DEFAULTS): Don't define.
6111 * config/rs6000/eabiaix.h: Don't include eabi.h.
6112 * config/rs6000/eabile.h: Delete.
6113 * config/rs6000/eabilesim.h: Delete.
6114 * config/rs6000/eabisim.h: Don't include eabi.h.
6115 * config/rs6000/linux.h: Don't include sysv4.h.
6116 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
6117 (MULTILIB_DEFAULTS): Don't redefine.
6118 * config/rs6000/rtems.h: Don't include eabi.h.
6119 * config/rs6000/sol2.h: Don't include sysv4le.h.
6120 * config/rs6000/sysv4le.h: Don't include sysv4.h.
6121 * config/rs6000/t-ppc: Delete.
6122 * config/rs6000/t-ppcgas: Correct comment.
6123 * config/rs6000/t-ppcos: Correct comment. Don't build
6124 multilibs for -fPIC, rather use -fPIC -mstrict-align
6126 * config/rs6000/t-ppc: Delete.
6127 * config/rs6000/vxppc.h: Don't include sysv4.h.
6128 * config/rs6000/vxppcle.h: Delete.
6129 * configure.in: Use multiple header files for p2pc ELF targets
6130 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
6131 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
6132 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
6133 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
6134 always available for these platforms.
6136 2000-04-04 Richard Henderson <rth@cygnus.com>
6138 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
6140 2000-04-04 Stan Cox <scox@cygnus.com>
6142 * Makefile.in: Add rules for regrename.o
6143 * regrename.c: New file.
6144 * rtl.h (regrename_optimize): Add prototype.
6145 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
6146 (compile_file, decode_d_option): Add support for -frename-registers.
6147 (rest_of_compilation): Call regrename_optimize.
6148 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
6151 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6153 * Makefile (gccbug): New target.
6154 (doc): Depend on it.
6155 * gcc.texi (Bugs): Link subnodes.
6157 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
6158 Document severities, priorities, and classes in bug form.
6160 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
6162 * cpplex.c (trigraph_map, speccase): Combine into single
6164 (NORMAL, NONTRI): New macros.
6165 (_cpp_read_and_prescan): Change to use unified table. Use
6166 is_hspace to test for whitespace.
6168 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
6169 definition that doesn't provoke the "empty body in an
6170 if-statement" warning.
6172 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
6174 * builtins.c (expand_builtin_strlen): Force the source to
6175 be a memory address.
6177 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6179 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
6181 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
6183 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
6184 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
6185 (ECF_IS_CONST): Rename to ECF_CONST.
6186 (special_function_p): Make static, change interface.
6187 (flags_from_decl_or_type, try_to_integrate): Break out from ...
6188 (expand_call) ... here; convert number of variables to flags.
6189 (emit_library_call_vlue_1): Likewise.
6190 (setjmp_call_p): New function.
6191 (initialize_argument_information): Accepts flags as argument;
6193 (precompute_arguments): Likewise.
6194 * tree.h (special_function_p): Remove.
6195 (setjmp_call_p): Add prototype.
6197 2000-04-04 Jakub Jelinek <jakub@redhat.com>
6199 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
6200 so that addresses are offsetable by up to 16 bytes.
6201 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
6202 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
6205 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
6206 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
6207 (movsf): Don't force any constant to memory if target is integer
6209 Move fp_zero_operand check below the const0_rtx check.
6210 (movtf): Likewise. Also allow fp_zero_operand for stores into
6212 (movdf): Likewise. Also allow fp_zero_operand for stores into
6213 memory and into integer hard registers.
6214 (clear_df, clear_dfp, movdf_const_intreg_sp32,
6215 movdf_const_intreg_sp64): Remove.
6216 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
6218 (movdf_no_e_insn_v9_sp32): New pattern.
6219 (movdf_insn_v9only): Remove.
6220 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
6221 (movdf_insn_sp64): Remove.
6222 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
6223 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
6224 (following splits): Rewrite conditions. Add two new splits
6225 for storing 0.0 into memory and registers.
6226 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
6227 (movtf_insn_sp32): Redo constraints and conditions.
6228 (movtf_insn_vis_sp32): New pattern.
6229 (movtf_no_e_insn_sp32): Redo constraints and conditions.
6230 (movtf_insn_hq_sp64): Likewise.
6231 (movtf_insn_hq_vis_sp64): New pattern.
6232 (movtf_insn_sp64): Redo constraints and conditions.
6233 (movtf_insn_vis_sp64): New pattern.
6234 (movtf_no_e_insn_sp64): Redo constraints and conditions.
6235 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
6237 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
6238 -mvis or -m64 to take down the number of various reload patterns.
6240 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
6242 * pa/pa-64.h: New file.
6243 * pa/pa64-regs.h: New file.
6244 * pa/pa64-start.h: New file.
6245 * pa/t-pa64: New file.
6246 * pa/xm-pa64hpux.h: New file.
6248 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6250 * sparc.c (output_restore_regs): Prototype.
6251 (sparc_emit_float_lib_cmp): Constification.
6253 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
6255 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
6258 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
6259 (get_value_hash, hash_rtx): Likewise.
6261 * ssa.c (compute_conservative_reg_partition): Prototype.
6263 * tree.c (mark_hash_entry): Prototype.
6265 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
6267 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
6268 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
6269 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
6271 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
6272 * objc/lang-specs.h: Likewise.
6274 2000-04-03 Neil Booth <NeilB@earthling.net>
6276 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
6277 and SYNTAX_ERROR2. Replace `' in messages with ''.
6278 (op_to_str): Make re-entrant.
6279 (_cpp_parse_expr): Implement new error macros. Use | rather
6280 than || to logically or 2 boolean integers. Simply expression
6281 checking we have a left operand iff needed.
6283 2000-04-03 Nick Clifton <nickc@cygnus.com>
6285 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
6287 2000-04-03 Philip Blundell <philb@gnu.org>
6289 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
6291 2000-04-03 Felix Lee <flee@cygnus.com>
6293 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
6294 (run_shell): Use it.
6296 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
6298 * Makefile.in (stmp-int-hdrs): Make include subdir here...
6299 (stmp-fixproto): ...rather than here.
6301 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
6303 * pa.c (print_operand): Compute 'base' only inside the code paths
6306 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
6308 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
6311 2000-04-03 Philipp Thomas <pthomas@suse.de>
6313 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
6315 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
6317 * Makefile.in (alias.o): Depend on $(TREE_H).
6319 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
6321 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
6323 * cpplib.c (_cpp_handle_directive): Improve warnings for
6324 traditional C and indented directives.
6326 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
6327 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
6328 fixinc/inclhack.def: Indent the # of #include_next one space.
6329 * cp/rtti.c: Un-indent #if and #endif.
6331 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
6332 syntax error, but an error has already been printed.
6333 * cpplex.c (_cpp_parse_assertion): Give a more specific error
6334 message when called with nothing remaining on the line.
6335 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
6336 OTHER token, not an ASSERTION.
6337 * cpplib.c (do_assert): When we create a 'base' node, clear
6338 its aschain pointer.
6340 2000-04-02 Neil Booth <NeilB@earthling.net>
6342 * cppexp.c: New typedef op_t. struct operation and struct
6343 token updated to use it.
6344 (op_to_str): New function.
6345 (_cpp_parse_expr): Error messages modified to use op_to_str.
6347 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6349 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
6350 before checking MUST_PASS_IN_STACK.
6352 2000-04-02 Neil Booth <NeilB@earthling.net>
6354 * cppexp.c: New FINISHED dummy token. Combine operator initial
6355 flags and initial priority into a single constant. New
6356 EQUALITY macro. New operator flag SHORT_CIRCUIT.
6357 (_parse_cpp_expr): Implement new constants. Take left operand
6358 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
6359 parse indicated by reducing FINISHED token. Remove new lines
6360 from cpp_error messages.
6362 2000-04-01 Mark Mitchell <mark@codesourcery.com>
6364 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
6367 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
6369 * cpplib.c: Include symcat.h. Add 'origin' field to struct
6370 directive. Add origin values to DIRECTIVE_TABLE. Generate
6371 the strings and function names on the fly. Take the #sccs
6372 entry out of the table if SCCS_DIRECTIVE is not defined.
6373 (_cpp_handle_directive): Decide if the # was at the beginning
6374 of the line here. Issue -pedantic warnings for extended
6375 directives here. Warn about K+R directives with the #
6376 indented, and C89/extended directives with the # not indented,
6378 (do_import, do_include_next, do_warning, do_ident, do_sccs,
6379 do_assert, do_unassert): Don't issue pedantic warning here.
6381 * cpphash.h: Add CPP_WTRADITIONAL macro.
6382 * cpplib.h (struct cpp_options): Rename warn_stringify to
6383 warn_traditional; update comments.
6384 * cppinit.c (handle_option): Set warn_traditional not
6386 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
6387 CPP_WTRADITIONAL (pfile).
6388 * cpplex.c (_cpp_lex_token): Don't decide if directives should
6389 be ignored in -traditional mode here.
6391 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
6392 to initialize speccase[] and trigraph_map[]. Delete all
6393 references to pfile->input_speccase. Always treat '?' as a
6394 special character. Remove table-initialization code from
6395 _cpp_init_input_buffer.
6397 * cpplib.h (struct cpp_reader): Remove input_speccase field.
6398 * cppinit.c (cpp_cleanup): Don't free input_speccase.
6400 2000-04-01 Richard Henderson <rth@cygnus.com>
6402 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
6403 (mostlyclean): Likewise.
6405 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
6406 (struct dump_file_info, enum dump_file_index, dump_file): New.
6407 (open_dump_file): Take a dump_file_index not a suffix, and a decl
6408 not a string. Clean out file if we havn't yet done so. Do nothing
6409 if the dump isn't enabled.
6410 (close_dump_file): Do nothing if the dump isn't open. Dump
6411 graph data if requested.
6412 (dump_rtl, clean_dump_file): Remove.
6413 (compile_file): Don't clean the dump files. Only finalize .bp dump
6414 if flag_test_coverage or flag_branch_probabilities. Only finalize
6415 .combine dump if optimizing. Iterate over dump_file to finalize the
6417 (rest_of_compilation): Update for open_dump_file/close_dump_file.
6418 Convert all uses of dump_rtl.
6419 (decode_d_option): Iterate over dump_file to implement 'a' and to
6420 locate pass-specific dumps.
6422 2000-04-01 Neil Booth <NeilB@earthling.net>
6424 * cppexp.c: Redefine priority constants.
6425 (_cpp_parse_expr): Replace left and right priority scheme with
6426 single priority logic. Move LOGICAL to same place as COMPARE.
6427 Remove bogus check for multiple unary +/- operators.
6429 2000-04-01 Neil Booth <NeilB@earthling.net>
6431 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
6432 within the switch statement. Binary operations break out of
6433 the switch naturally. '(' tokens handled by forcing
6434 immediate shift. ')' handled by forcing immediate reduce to
6435 the previous '('. New error messages.
6437 2000-03-31 Geoff Keating <geoffk@cygnus.com>
6439 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
6440 part', it's already in use. Use %K instead. Add a return at the
6441 end of what is now %K.
6442 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
6444 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
6446 * builtins.c (expand_builtin_apply): Pass proper parameters to
6447 allocate_dynamic_stack_space.
6448 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
6449 update stack_pointer_delta; do not update arg_size_so_far.
6450 (compute_argument_block_size): Use stack_delta instead of
6451 stack_pointer_pending and arg_size_so_far.
6452 (expand_call): Add sanity checking for stack_pointer_delta;
6453 save and restore stack_pointer_delta for SIB, use
6454 stack_pointer_delta for alignment; do not update arg_space_so_far.
6455 (emit_library_call_value): Use stack_pointer_delta for alignment.
6456 (store_one_arg): Do not update arg_space_so_far.
6457 * explow.c (adjust_stack, anti_adjust_stack): Update
6458 stack_pointer_delta.
6459 (allocate_dynamic_stack_space): Add sanity checking for
6460 stack_pointer_delta.
6461 * expr.c (init_expr, clear_pending_stack_adjust): Clear
6462 stack_pointer_delta.
6463 (emit_push_insn): Update stack_pointer_delta.
6464 * function.h (struct expr_status): Add x_stack_pointer_delta;
6465 remove x_arg_space_so_far.
6466 (arg_space_so_far): Remove.
6467 (stack_pointer_delta): New macro.
6469 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
6471 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
6472 Reorder struct cpp_options and struct cpp_reader for better
6473 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
6474 takes two args. Change all 'char' flags to 'unsigned char'.
6475 Move show_column flag into struct cpp_options. Don't
6476 prototype cpp_options_init.
6477 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
6478 cppinit.c, cpplex.c, cpplib.c:
6479 Replace CPP_OPTIONS (pfile)->whatever with
6480 CPP_OPTION (pfile, whatever), and likewise for
6481 opts = CPP_OPTIONS (pfile); ... opts->whatever;
6483 * cppinit.c (merge_include_chains): Take a cpp_reader *.
6484 Extract CPP_OPTION (pfile, pending) and work with that
6486 (cpp_options_init): Delete.
6487 (cpp_reader_init): Turn on on-by-default options here.
6488 Allocate the pending structure here.
6489 (cl_options, enum opt_code): Define these from the same table,
6490 kept in a large macro. Add -fshow-column and -fno-show-column
6493 * cpperror.c (v_message): If show_column is off, don't print
6496 * cppmain.c: Update for new interface.
6497 * fix-header.c: Likewise.
6499 2000-03-30 Geoff Keating <geoffk@cygnus.com>
6501 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
6503 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
6504 are passed to any invocation of AR_FOR_TARGET.
6505 (AR_CREATE_FOR_TARGET): New macro.
6506 (AR_EXTRACT_FOR_TARGET): New macro.
6507 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
6508 AR_EXTRACT_FOR_TARGET.
6509 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
6510 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
6511 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
6512 AR_EXTRACT_FOR_TARGET to sub-makes.
6514 2000-03-31 Neil Booth <NeilB@earthling.net>
6516 * cppexp.c: Delete SKIP_OPERAND. Correct priority
6518 (_cpp_parse_expr): Check for multiple unary +/- operators.
6519 Correct priorities of ':' and '?'. Treat ')' as having a
6520 value. Ensure conditional expression is not void.
6522 2000-03-31 Mark Mitchell <mark@codesourcery.com>
6524 * alias.c (canon_rtx): Make it global.
6525 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
6527 * cse.c (struct table_elt): Add canon_exp.
6529 (invalidate): Canonicalize expressions only once.
6530 * rtl.h (canon_rtx): Declare.
6532 2000-03-30 Mark Mitchell <mark@codesourcery.com>
6534 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
6535 * alias.c (reg_known_value): Add comments.
6536 (init_alias_analysis): Likewise.
6537 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
6539 (cse_basic_block): Fix typo in comment.
6540 * emit-rtl.c: Include hashtab.h.
6541 (const_int_htab): New variable.
6542 (const_int_htab_hash): New function.
6543 (const_int_htab_eq): Likewise.
6544 (rtx_htab_mark_1): Likewise.
6545 (rtx_htab_mark): Likewise.
6546 (gen_rtx_CONST_INT): Cache all CONST_INTs.
6547 (unshare_all_rtx): Fix formatting.
6548 (init_emit_once): Initialize const_int_htab.
6549 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
6551 * rtl.texi: Document the fact that all CONST_INTs with the same
6554 2000-03-30 Richard Henderson <rth@cygnus.com>
6556 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
6558 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
6560 * configure.in: Comment out --enable-c-cpplib stanza.
6561 * configure: Regenerate.
6563 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6565 * expr.c (store_constructor): Properly compute displacement and
6566 alignment when offset is variable.
6568 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
6569 cases of alignment in bytes.
6571 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
6573 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
6574 since it is used to generate c-parse.y.
6575 * objc-parse.c, objc-parse.y: Regenerated.
6577 * function.c (expand_function_end): Pass alignment argument to
6578 emit_block_move in bits, not bytes.
6580 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6582 * expr.c (move_by_pieces_ninsns): Fix one more missing align
6585 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
6587 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
6588 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
6589 * function.c (assign_parms): Likewise.
6590 * integrate.c (expand_inline_function): Likewise.
6591 * stmt.c (expand_decl): Likewise.
6592 (copy_rtx_and_substitute): Likewise.
6593 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
6594 (clear_by_pieces): Fix error in last change.
6595 * emit-rtl.c (init_emit): Set known registers alignment in bits.
6596 * function.h (regno_pointer_align): Now unsigned.
6597 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
6599 * config/i386/i386.c (aligned_operand): Likewise.
6600 * config/sparc/sparc.c (mem_min_alignment): Likewise.
6601 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
6602 (unaligned_memory_operand): Likewise.
6603 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
6604 Also make alignments and sizes unsigned and some whitespace cleanup.
6605 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
6607 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
6608 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
6609 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
6610 (expand_builtin_memset): Likewise, but to clear_storage.
6611 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
6612 (restore_fixed_argument_area): Likewise.
6613 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
6614 (load_register_parameters): Likewise, to emit_group_load.
6615 (expand_call): Likewise, to emit_group_store and emit_block_move.
6616 (emit_library_call_value_1): Likewise, to emit_block_move.
6617 (store_one_arg): Likewise, and to emit_push_insn.
6618 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
6619 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
6620 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
6621 (emit_block_move, emit_group_load, emit_group_store): Likewise.
6622 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
6623 (expand_assigment, store_expr, store_constructor_field): Likewise.
6624 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
6625 (store_constructor, store_field, get_inner_reference): Likewise.
6626 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
6627 (expand_expr, case COMPONENT_REF): Likewise.
6628 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
6629 and positions; reindent code.
6630 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
6631 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
6632 (assign_parms): Likewise to emit_group_store.
6633 * optabs.c (prepare_cmp_insn): Alignment is in bits.
6634 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
6635 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
6636 (expand_return): Likewise to {extract,store}_bit_field.
6637 * stor-layout.c (get_mode_alignment): Minor cleanup.
6638 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
6639 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
6641 2000-03-29 Nick Clifton <nickc@cygnus.com>
6643 * config/arm/arm.h: Undo effects of previous delta:
6644 (ASM_SPEC): Do not define.
6645 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
6647 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
6650 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
6652 * cppinit.c (cpp_start_read): Call initialize_dependency_output
6653 only after reading in the primary source file.
6655 2000-03-29 Geoff Keating <geoffk@cygnus.com>
6657 * c-common.c (c_common_nodes_and_builtins): The first parameter to
6658 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
6659 or a reference to a va_list.
6660 * builtins.c (stabilize_va_list): Simplify now we don't have to
6661 work around C array address decay.
6662 * c-typeck.c (convert_for_assignment): Handle assignment to
6663 a reference parameter by taking the address of the RHS.
6664 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
6665 (va_copy): Likewise.
6666 (__va_copy): Likewise.
6667 * ginclude/varargs.h (va_start): Likewise.
6668 (__va_copy): Likewise.
6670 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
6672 * i386/djgpp.h: Remove extraneous "+".
6674 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
6676 * calls.c (expand_call): Fix typo in last change.
6678 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
6680 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
6683 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6685 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
6686 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
6687 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
6688 * tree.c (bit_position, byte_position): Likewise.
6689 * tree.h: Declare new functions.
6691 2000-03-29 Nick Clifton <nickc@cygnus.com>
6693 * config/arm/arm.c: Minor formatting changes/
6694 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
6696 (ASM_SPEC): Define if not already defined.
6698 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
6700 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
6703 2000-03-29 Jakub Jelinek <jakub@redhat.com>
6705 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
6706 value, don't output it as unsigned.
6708 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
6710 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
6712 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6714 * c-common.c (c_common_nodes_and_builtins): Don't special case
6715 cplus_mode when declaring builtin bzero/bcmp, always avoid
6716 prototype arguments.
6718 2000-03-29 Bruce Korb <bkorb@gnu.org>
6720 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
6723 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
6725 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
6726 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
6727 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
6728 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
6729 (save_fixed_argument_area, restore_fixed_argument_area):
6730 conditionize by #ifdef REG_PARM_STACK_SPACE only.
6731 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
6732 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
6733 (precompute_register_parameters): Avoid #ifdefs on
6734 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
6735 (stire_one_args): Likewise.
6736 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
6737 (emit_library_call_value_1): Likewise.
6738 (compute_argument_block_size): Align to STACK_BOUNDARY only for
6739 ACCUMULATE_OUTGOING_ARGS.
6740 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
6742 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
6743 (use_crosses_set_p): Likewise.
6744 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
6745 #define ACCUMULATE_OUTGOING_ARGS 1.
6746 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
6748 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
6750 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
6751 (TARGET_SWITCHES): Add push-args, no-push-args,
6752 accumulate-outgoing-args and no-accumulate-outgoing-args.
6753 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
6754 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
6755 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
6757 (emit_push_insn): Likewise.
6758 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
6759 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
6760 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
6761 (STACK_DYNAMIC_OFFSET): Define correctly for both
6762 ACCUMULATE_OUTGOING_ARGS and normal mode.
6763 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
6764 * tm.texi (PUSH_ARGS): Document.
6765 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
6767 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
6769 * flags.h (flag_optimize_sibling_calls): Declare.
6770 * calls.c (expand_call): Fail sibcall when
6771 !flag_optimize_sibling_calls
6772 * invoke.texi (flag_optimize_sibling_calls): Document.
6773 * toplev.c (flag_optimize_sibling_calls): New global variable.
6774 (f_options): Add flag_optimize_sibling_calls.
6775 (rest_of_compilation): Conditionize
6776 optimize_sibling_and_tail_recursive_calls by
6777 flag_optimize_sibling_calls.
6778 (main): Set flag_optimize_sibling_calls for -O2.
6779 * stmt.c (expand_return): Conditionize tail recursion by
6780 flag_optimize_sibling_calls.
6782 2000-03-29 Richard Henderson <rth@cygnus.com>
6784 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
6785 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
6787 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
6789 * except.c (add_eh_table_entry): Mark type_info's as referenced.
6791 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6793 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
6795 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
6796 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
6797 * config/rs6000/aix.h: then modified likewise.
6799 2000-03-28 Richard Henderson <rth@cygnus.com>
6801 * rtl.h: Redistribute enum reg_note documentation.
6802 Kill trailing whitespace.
6803 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
6804 Kill trailing whitespace.
6806 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
6808 * cppfiles.c (hash_IHASH): Just return i->hash.
6809 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
6810 htab_find_with_hash.
6811 (cpp_read_file): Likewise.
6812 (find_include_file): Likewise. Properly initialize
6813 ih->nshort. Share ih->name and ih->nshort if possible.
6814 * cpphash.c (_cpp_calc_hash): New function.
6815 (hash_HASHNODE): Just return h->hash.
6816 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
6817 htab_find_with_hash.
6818 * cpphash.h: Prototype _cpp_calc_hash.
6819 * cppinit.c (initialize_builtins): Provide a valid hash
6820 to _cpp_make_hashnode, using _cpp_calc_hash.
6822 * cpphash.c (collect_expansion): # is not a special character
6823 in object-like macros. In -traditional mode, /**/ is not
6824 token paste at the beginning or end of the line.
6825 * cpplib.c (do_include, do_import, do_include_next): If
6826 parse_include fails, return immediately.
6828 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
6830 * config/arm/arm.md (return peepholes): Update to reflect the new
6832 * config/arm/arm.c (arm_volatile_func): Also check
6833 current_function_nothrow.
6834 (output_return_instruction, output_func_prologue): Use it.
6835 (arm_output_epilogue, arm_expand_prologue): Likewise.
6837 2000-03-27 Tom Tromey <tromey@cygnus.com>
6839 * gcc.c (handle_braces): In {x*...} case, break out of loop if
6842 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6844 * expr.c (store_constructor): SIZE now signed.
6845 For EXPR_SIZE, don't evaluate size; just needed if constant.
6846 * fold-const.c (fold): Fix a number of cases when folded tree is
6848 * function.c (flush_addressof): Reenable.
6849 * tree.h (flush_addressof): Likewise.
6850 * toplev.c (independent_decode_option): Look at strings_processed.
6851 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
6853 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
6855 * sibcall.c (indentify_call_return_value): Find last call in the chain;
6856 Allow stack adjustment after function call.
6858 * regmove.c (struct csa_memlist): Make mem field rtx *.
6859 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
6860 (try_apply_stack_adjustment): Replace whole MEM rtx.
6861 (combine_stack_adjustments_for_block): Update calls
6862 to record_one_stack_ref.
6864 2000-03-28 Neil Booth <NeilB@earthling.net>
6866 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
6867 '\\' rather than a null character, so nulls are not special. Fix
6868 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
6869 speed trigraph conversion.
6870 (_cpp_init_input_buffer): Initialize trigraph map.
6872 2000-03-27 Alan Modra <alan@linuxcare.com.au>
6874 * config/i386/i386.c (output_387_binary_op): Correct intel
6875 mode assembly output, and add spaces after commas in AT&T
6876 output. Correct Unixware assembler comment. Document input
6877 constraints. Comment fp operations. Reduce profligate buffer
6878 size. Remove extraneous abort. Localize temp var.
6879 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
6880 (output_fix_trunc): Add spaces after commas in assembly output.
6882 2000-03-27 Richard Henderson <rth@cygnus.com>
6884 * i386-protos.h (ix86_match_ccmode): Declare.
6885 * i386.c (ix86_match_ccmode): New.
6886 (ix86_expand_fp_compare): Update for pattern renames.
6887 (ix86_expand_strlensi_unroll_1): Likewise.
6888 * i386.h (EXTRA_CC_MODES): Add CCZ.
6889 (SELECT_CC_MODE): Use it for EQ/NE zero.
6890 * i386.md (cmpsi_ccz_1): New.
6892 (*testsi_ccz_1): New.
6893 (testqi_ccz_1): New.
6894 (cmpsi_ccno_1): Rename from cmpsi_0.
6895 (testsi_ccno_1): Rename from testsi_1.
6896 (testqi_ccno_1): Rename from testqi_1.
6897 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
6898 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
6899 (*cmphi_0): Use ix86_match_ccmode.
6900 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
6901 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
6902 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
6903 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
6904 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
6905 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
6906 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
6907 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
6908 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
6909 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
6910 (appropriate peepholes): Likewise.
6911 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
6912 (*subsi_3, *subhi_3, *subqi_3): Remove.
6913 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
6914 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
6915 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
6916 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
6917 (x86_shift_adj_1): Use CCZ.
6918 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
6920 2000-03-27 Stan Cox <scox@cygnus.com>
6922 * resource.h (mark_resource_type): New.
6923 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
6924 find_free_register): Use mark_resource_type.
6925 (mark_set_resources): Change include_delayed_effects
6926 to mark_resource_type.
6927 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
6928 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
6929 Use mark_resource_type.
6931 2000-03-27 Richard Henderson <rth@cygnus.com>
6933 * i386.md (call_pop_0, call_value_pop_0): New.
6934 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
6935 (call_value_pop_1): Likewise.
6936 (call_0, call_value_0): New.
6937 (call_1, call_value_1): Remove constraint from unused arg.
6939 2000-03-27 Nick Clifton <nickc@cygnus.com>
6941 * invoke.texi (Spec Files): Document new spec % command created by
6942 Tom Tromey's recent patch.
6944 2000-03-27 Jakub Jelinek <jakub@redhat.com>
6946 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
6949 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6951 * expr.c (expand_assignment): Fix typo in last change.
6953 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
6955 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6957 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
6958 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
6959 and DECL_INLINE if FUNCTION_DECL.
6960 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
6961 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
6962 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
6963 (combine_parm_decls): Likewise.
6964 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
6965 * print-tree.c (print_node): Likewise.
6966 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
6967 DECL_TRANSPARENT_UNION on proper decl types.
6968 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
6969 * stor-layout.c (layout_decl): Only check DECL_PACKED and
6970 DECL_BIT_FIELD of FIELD_DECL.
6971 * tree.h (DECL_RESULT_FLD): New macro.
6973 * expr.c (expand_assignment): Add code to handle variable-sized
6976 2000-03-26 Richard Henderson <rth@cygnus.com>
6978 * calls.c (expand_call): Pass parms not original exp to
6979 optimize_tail_recursion. Mind return value instead of looking
6981 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
6982 call_expr. Move checks for call_expr and current_function_decl ...
6983 (expand_return): ... here.
6985 2000-03-26 Tom Tromey <tromey@cygnus.com>
6987 * gcc.c (handle_braces): Recognize `%{<S}' construct.
6988 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
6990 (process_command): Use them.
6991 (check_live_switch): Likewise.
6992 (give_switch): Skip ignored switches.
6994 2000-03-26 Jan Hubicka <jh@suse.cz>
6996 * jump.c (jump_optimize_1): Fix typo in elide optimizations
6997 for minimal jump pass test.
6999 2000-03-26 Mark Mitchell <mark@codesourcery.com>
7001 * integrate.c (function_cannot_inline_p): Do inline functions that
7004 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7006 * stor-layout.c (layout_type, set_sizetype): early_type_list is
7007 now a list of TREE_LIST entries, not types.
7008 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
7010 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
7011 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
7013 * config/mips/mips.c (function_arg): Likewise; also remove cast
7014 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
7015 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
7016 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
7017 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
7018 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
7019 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
7020 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
7021 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
7022 num_adjusts now unsigned.
7023 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
7024 * config/sparc/sparc.c (struct function_arg_record_value_parms):
7026 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
7027 as is BITPOS variable; use host_integerp and int_bit_position.
7028 (function_arg_record_value_2): Likewise.
7029 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
7030 Variable REGNO now unsigned.
7031 (function_arg_record_value): NREGS now unsigned.
7033 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
7035 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
7037 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7039 * Rework fields used to describe positions of bitfields and
7040 modify sizes to be unsigned and use HOST_WIDE_INT.
7041 * alias.c (reg_known_value_size): Now unsigned.
7042 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
7043 (really_start_incremental_init): Use bitsize_zero_node.
7044 (push_init_level, pop_init_level, output_init_element): Likewise.
7045 Use bitsize_unit_node and bitsize_one_node.
7046 (output_pending_init_elements, process_init_element): Likewise.
7047 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
7048 (make_extraction): Position and length HOST_WIDE_INT and unsigned
7049 HOST_WIDE_INT, respectively.
7050 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
7051 (num_sign_bit_copies): Returns unsigned.
7052 BITWIDTH now unsigned; rework arithmetic.
7053 Remove recursive call from arg to MAX.
7054 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
7055 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
7057 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
7058 (find_split_point, expand_compound_operation, make_extraction): LEN
7059 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
7060 (make_field_assignment): Likewise.
7061 (combine_simplify_rtx): Add cast.
7062 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
7063 (force_to_mode): WIDTH now unsigned; add cast.
7064 (if_then_else_cond): SIZE now unsigned.
7065 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
7066 (extended_count): Now returns unsigned.
7067 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
7068 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
7069 (simplify_comparison): MODE_WIDTH now unsigned.
7070 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
7071 (mark_used_regs_combine): Likewise; rework arithmetic.
7072 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
7073 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
7074 (record_promoted_value): REGNO now unsigned.
7075 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
7076 (get_last_value): REGNO now unsigned.
7077 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
7078 (reg_dead_regno, reg_dead_endregno): Now unsigned.
7079 (remove_death): Arg REGNO now unsigned.
7080 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
7081 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
7083 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
7084 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
7085 (struct cse_reg_info): REGNO now unsigned.
7086 (cached_regno): Now unsigned.
7087 (REGNO_QTY_VALID_P): Add cast.
7088 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
7089 (remove_invalid_regs): Likewise.
7090 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
7091 as are variables END and I.
7092 (get_cse_reg_info, insert): Likewise.
7093 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
7094 (canon_hash): Likewise.
7095 (insert_regs, lookup_for_remove): REGNO now unsigned.
7096 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
7098 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
7099 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
7100 * emit-rtl.c (subreg_realpart_p): Add cast.
7101 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
7102 (operand_subword_force): Arg I is now unsigned.
7103 * except.c (eh_regs): Variable I is now unsigned.
7104 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
7105 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
7106 length is unsigned HOST_WIDE_INT; likewise for internal variables.
7107 (store_split_bit_field, extract_fixed_bit_field): Likewise.
7108 (extract_split_bit_field, store_bit_field, extract_bit_field):
7110 * expr.c (store_constructor_fields, store_constructor, store_field):
7111 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
7112 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
7113 (do_jump): Likewise.
7114 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
7115 MAX_SIZE is now unsigned.
7116 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
7117 (emit_group_store): Likewise.
7118 (emit_move_insn): I now unsigned.
7119 (store_constructor): Use host_integerp, tree_low_cst, and
7121 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
7122 Rework all calculations to use trees and new fields.
7123 * expr.h (promoted_input_arg): Regno now unsigned.
7124 (store_bit_field, extract_bit_field): Adjust types of pos and size.
7125 (mark_seen_cases): Arg is HOST_WIDE_INT.
7126 * flow.c (verify_wide_reg_1): REGNO now unsigned.
7127 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
7128 precisions and alignments are unsigned.
7129 (optimize_bit_field_compare, fold_truthop): Likewise.
7130 (int_const_binop): Adjust threshold for size_int_type_wide call.
7131 (fold_convert): Likewise.
7132 (size_int_type_wide): Make table larger and fix thinko that only
7133 had half of table used.
7134 (all_ones_mask_p, fold): Precisions are unsigned.
7135 * function.c (put_reg_info_stack): REGNO is unsigned.
7136 (instantiate_decl): Size is HOST_WIDE_INT.
7137 (instantiate_virtual_regs): I is unsigned.
7138 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
7139 (promoted_input_arg): REGNO is unsigned.
7140 * function.h (struct function): x_max_parm_reg is now unsigned.
7141 * gcse.c (max_gcse_regno): Now unsigned.
7142 (struct null_pointer_info): min_reg and max_reg now unsigned.
7143 (lookup_set, next_set): REGNO arg now unsigned.
7144 (compute_hash_table): REGNO and I now unsigned.
7145 (handle_avail_expr): regnum_for_replacing now unsigned.
7146 (cprop_insn): REGNO now unsigned.
7147 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
7148 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
7149 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
7150 * hard-reg-set.h (reg_class_size): Now unsigned.
7151 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
7152 * jump.c (mark_modified_reg): I now unsigned; add cast.
7153 (rtx_equal_for_thread_p): Add cast.
7154 * loop.c (max_reg_before_loop): Now unsigned.
7155 (struct_movable): REGNO now unsigned.
7156 (try_copy_prop): REGNO arg unsigned.
7157 (regs_match_p): XN and YN now unsigned.
7158 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
7159 (strength_reduce): Likewise; NREGS also unsigned.
7160 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
7161 * loop.h (struct iv_class): REGNO now unsigned.
7162 (max_reg_before_loop, first_increment_giv, last_increment_giv):
7164 * machmode.h (mode_size, mode_unit_size): Now unsigned.
7165 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
7166 * optabs.c (expand_binop): I and NWORDS now unsigned.
7167 (expand_unop): I now unsigned.
7168 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
7169 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
7170 * real.c (significand_size): Now returns unsigned.
7171 * real.h (significand_size): Likewise.
7172 * regclass.c (reg_class_size): Now unsigned.
7173 (choose_hard_reg_mode): Both operands now unsigned.
7174 (record_reg_classes): REGNO and NR now unsigned.
7175 (reg_scan): NREGS now unsigned.
7176 (reg_scan_update): old_max_regno now unsigned.
7177 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
7178 * reload.c (find_valid_class): BEST_SIZE now unsigned.
7179 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
7180 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
7181 Likewise for variable R.
7182 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
7183 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
7184 (find_equiv_reg): Add casts.
7185 (regno_clobbered_p): Arg REGNO now unsigned.
7186 * reload.h (struct reload): NREGS now unsigned.
7187 (refers_to_regno_for_reload_p): Regno args are unsigned.
7188 (regno_clobbered_p): Likewise.
7189 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
7190 (compute_use_by_pseudos): REGNO now unsigned.
7191 (find_reg): I and J now unsigned, new variable K, and change loop
7192 variables accordingly; THIS_NREGS now unsigned.
7193 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
7194 (spill_hard_reg): REGNO arg now unsigned; add casts.
7195 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
7196 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
7197 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
7198 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
7199 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
7200 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
7201 (emit_reload_insns): REGNO now unsigned.
7202 (reload_cse_move2add): Add cast.
7203 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
7205 * resource.c (mark_referenced_resources, mark_set_resources): New
7206 variable R; REGNO and LAST_REGNO now unsigned.
7207 (mark_target_live_regs): J and REGNO now unsigned.
7208 * rtl.c (mode_size, mode_unit_size): Now unsigned.
7209 * rtl.h (union rtunion_def): New field rtuint.
7210 (XCUINT): New macro.
7211 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
7212 (operand_subword, operand_subword_force): Word number is unsigned.
7213 (choose_hard_reg_mode): Operands are unsigned.
7214 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
7215 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
7216 (regno_use_in, combine_instructions, remove_death): Likewise.
7217 (reg_scan, reg_scan_update): Likewise.
7218 (extended_count): Return is unsigned.
7219 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
7220 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
7221 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
7222 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
7223 (reg_reg_last_1): FIRS and LAST now unsigned.
7224 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
7225 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
7227 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
7228 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
7229 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
7230 (replace_regs): Arg NREGS now unsigned.
7231 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
7232 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
7233 (simplify_binary_operation): Likewise.
7234 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
7235 THIS_LAST now unsigned.
7236 (cselib_record_set): Add cast.
7237 * ssa.c (ssa_max_reg_num): Now unsigned.
7238 (rename_block): REGNO now unsigned.
7239 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
7241 (all_cases_count): Just return -1 not -2.
7242 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
7243 Rework tests to use trees whenever possible.
7244 Use host_integerp and tree_low_cst.
7245 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
7246 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
7247 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
7248 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
7249 (smallest_mode_for_size): Likewise.
7250 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
7251 KNOWN_ALIGN is now an alignment, so simplify code.
7252 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
7253 (start_record_layout): Renamed from new_record_layout_info.
7254 Update to new fields.
7255 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
7257 (place_union_field): Renamed from layout_union_field.
7258 Update to use new fields in rli.
7259 (place_field): Renamed from layout_field.
7260 Major rewrite to use new fields in rli; pass alignment to layout_decl.
7261 (finalize_record_size): Rework to use new fields in rli and handle
7263 (compute_record_mode): Rework to simplify and to use new DECL fields.
7264 (finalize_type_size): Make rounding more consistent.
7265 (finish_union_layout): Deleted.
7266 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
7267 (layout_type, case RECORD_TYPE): Call new function names.
7268 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
7269 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
7270 (get_best_mode): UNIT is now unsigned; remove casts.
7271 * tree.c (bit_position): Compute from new fields.
7272 (byte_position, int_byte_position): New functions.
7273 (print_type_hash_statistics): Cast to remove warning.
7274 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
7275 (build_index_type): Likewise; make subtype of sizetype.
7276 (build_index_2_type): Pass sizetype to build_range_type.
7277 (build_common_tree_nodes): Use size_int and bitsize_int to
7278 initialize nodes; add bitsize_{zero,one,unit}_node.
7279 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
7280 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
7281 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
7282 (DECL_FIELD_BITPOS): Deleted.
7283 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
7284 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
7285 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
7286 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
7287 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
7288 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
7289 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
7290 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
7291 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
7292 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
7293 (DECL_ALIGN): Adjust to new field in union.
7294 (DECL_OFFSET_ALIGN): New field.
7295 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
7296 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
7297 (union tree_decl): Add struct for both aligns.
7298 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
7299 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
7300 (struct record_layout_info): Rework fields to have offset
7301 alignment and byte and bit position.
7302 (start_record_layout, place_field): Renamed from old names.
7303 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
7304 (byte_position, int_byte_position): Likewise.
7305 (get_inner_reference): Change types of position and length.
7306 * unroll.c (unroll_loop): New variable R; use for some loops.
7307 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
7308 (calculate_giv_inc): Arg REGNO now unsigned.
7309 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
7310 * varasm.c (assemble_variable): Clean up handling of size using
7311 host_integerp and tree_low_cst.
7312 (decode_addr_const): Use byte, not bit, position.
7313 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
7314 use tree_low_cst and int_bit_position.
7315 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
7317 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
7319 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
7320 (reorder_block_def): New members eff_head and eff_end.
7321 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
7322 (verify_insn_chain): New function.
7323 (skip_insns_between_block): Add code to skip deleted insns.
7324 Check for note before using.
7325 (chain_reorder_blocks): Replace calls to skip_insns_between_block
7326 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
7327 Check for note before using.
7328 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
7329 (fixup_reorder_chain): Restructure, clean up, defect removal.
7330 (reorder_basic_blocks): Remove last_insn and references to it.
7331 Moved insn chain verification code into a new function (see above).
7332 Delete defective code that sets last insn.
7333 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
7336 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7338 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
7340 2000-03-24 Richard Henderson <rth@cygnus.com>
7342 * tree.c (lang_safe_for_unsave): Remove.
7343 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
7344 allowing for two levels of unsafeness. Remove lang hook.
7345 * tree.h: Update declarations.
7346 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
7347 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
7348 Always fail sibcalls when there are pending cleanups.
7350 2000-03-24 Geoff Keating <geoffk@cygnus.com>
7352 * flow.c (propagate_block): When we delete an ADDR_VEC,
7353 also delete the BARRIER following it if there is one.
7355 2000-03-24 Richard Henderson <rth@cygnus.com>
7357 * builtins.c (expand_builtin_bzero): Convert `length' argument
7360 2000-03-24 Jakub Jelinek <jakub@redhat.com>
7362 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
7363 comparison if regno's are equal.
7364 * calls.c (initialize_argument_informat): Add ecf_flags argument.
7365 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
7366 (expand_call): Update caller.
7367 Avoid making a sibling call if argument size of the callee is larger
7368 than argument size of the caller.
7369 Call hard_function_value with outgoing set if in sibcall pass.
7370 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
7372 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
7373 Change LEAF_REGISTERS from an array initializer to actual array
7374 identifier. Move static global variable into the function.
7375 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
7376 sequences for leaf functions.
7377 * global.c (global_alloc): Likewise.
7378 * tm.texi (LEAF_REGISTERS): Update documentation.
7380 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
7381 TARGET_FLAT leaf disabling hack.
7382 (LEAF_REGISTERS): Changed from an array initializer to actual array
7383 identifier to avoid duplication and remove the above hack.
7384 (FUNCTION_OK_FOR_SIBCALL): Define.
7385 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
7386 always like call attribute.
7387 (eligible_for_sibcall_delay): New attribute.
7388 (sibcall): New delay type.
7389 (sibcall, sibcall_value, sibcall_epilogue): New expands.
7390 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
7391 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
7392 * config/sparc/sparc.c (sparc_leaf_regs): New array.
7393 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
7395 (output_function_epilogue): Move part of the code into
7396 output_restore_regs.
7397 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
7399 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
7402 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
7403 until infrastructure is finished.
7405 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
7407 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
7408 (save_parm_insns): Not here.
7410 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7412 * builtins.c (expand_builtin_bzero): New function.
7413 (expand_builtin): Handle bzero.
7415 * builtins.def: Add BUILT_IN_BZERO.
7417 * c-common.c (c_common_nodes_and_builtins): Provide builtin
7418 prototype & function for bzero.
7420 2000-03-23 Michael Meissner <meissner@redhat.com>
7422 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
7423 change adding TARGET_FP to the TF floating point insns, except for
7424 trunctfsf2, which generates direct calls to truncdfsf2.
7426 2000-03-23 Geoff Keating <geoffk@cygnus.com>
7428 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
7429 try to protect against middle-end changes that break binary
7431 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
7433 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7435 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
7437 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7439 * calls.c (expand_call): If TARGET is passed by reference and
7440 is readonly, write a CLOBBER.
7442 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7444 * builtins.c (expand_builtin): Handle bcmp.
7446 * builtins.def: Add BUILT_IN_BCMP.
7448 * c-common.c (c_common_nodes_and_builtins): Provide builtin
7449 prototype & function for bcmp.
7451 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
7453 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
7454 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
7455 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
7457 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
7459 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
7460 alternative when using -fp64 -gp32.
7462 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
7464 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
7465 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
7466 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
7468 * frame.h (frame_state): Revert last change.
7469 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
7470 * libgcc2.c (throw_helper): Revert last change.
7472 2000-03-22 Richard Henderson <rth@cygnus.com>
7474 * stmt.c (expand_asm_operands): Don't promote the temporary.
7476 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
7478 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
7479 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
7480 c_get_alias_set): Likewise.
7481 * c-decl.c (duplicate_decls): Likewise.
7482 * c-typeck.c (default_conversion,build_unary_op): Likewise.
7483 * calls.c (initialize_argument_information): Likewise.
7484 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
7486 * dwarfout.c (decl_class_context,output_type): Likewise.
7487 * expr.c (get_inner_reference): Likewise.
7488 * fold-const.c (simple_operand_p,fold): Likewise.
7489 * function.c (aggregate_value_p): Likewise.
7490 * stmt.c (expand_asm_operands): Likewise.
7491 * varasm.c (named_section): Likewise.
7493 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
7495 Implement dwarf2 exception handling for the ARM.
7496 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
7497 (DWARF_FRAME_RETURN_COLUMN): Define.
7498 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
7499 REG_FRAME_RELATED_EXPR note.
7500 (emit_sfm): Likewise.
7501 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
7502 * dwarf2out.c (reg_save): Handle saving a register to itself.
7503 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
7504 * except.c (eh_regs): Don't use the static chain reg if it's
7506 * frame.h (frame_state): Add cfa_saved field.
7507 * frame.c (execute_cfa_insn): Set it.
7508 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
7510 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
7512 (instantiate_virtual_regs): Adjust.
7514 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
7515 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
7516 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
7518 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
7519 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
7521 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7523 * builtins.def: New file.
7525 * Makefile.in (TREE_H): Depend on builtins.def.
7527 * builtins.c (built_in_names): Use builtins.def.
7529 * tree.h (built_in_function): Likewise.
7531 2000-03-22 Mark Mitchell <mark@codesourcery.com>
7533 * tree.c (size_in_bytes): Return size_zero_node, not
7536 2000-03-22 Geoff Keating <geoffk@cygnus.com>
7538 * config/fp-bit.c (pack_d): Correct the case when a denormal
7539 is rounded up and stops being denormal.
7541 2000-03-21 Richard Henderson <rth@cygnus.com>
7543 * config/alpha/alpha.c (function_arg): Check for void_type_node
7544 before using MUST_PASS_IN_STACK.
7546 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
7548 * regmove.c (combine_stack_adjustments_for_block): Check that
7549 the stack pointer is a valid memory address.
7551 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
7553 * calls.c: re-install Mar 16 emit_library_call merge.
7555 2000-03-21 Jakub Jelinek <jakub@redhat.com>
7557 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
7558 we cannot be sure that if reload_completed base register will
7559 be properly aligned.
7561 2000-03-21 Richard Henderson <rth@cygnus.com>
7563 * flow.c (delete_block): Fix typo last change.
7565 2000-03-21 Mark Mitchell <mark@codesourcery.com>
7567 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
7568 not COMPLETE_TYPE_P, to check the type of the expression.
7570 2000-03-21 Michael Meissner <meissner@redhat.com>
7572 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
7573 all floating point insns that just tested the macro
7574 TARGET_HAS_XFLOATING_LIBS.
7575 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
7576 used to only use the gprs.
7578 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
7580 * tree.h (COMPLETE_TYPE_P): New macro.
7581 (COMPLETE_OR_VOID_TYPE_P): New macro.
7582 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
7583 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
7584 * c-aux-info.c (gen_type): Use them.
7585 * c-common.c (c_expand_expr_stmt): Likewise.
7586 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
7587 grokdeclarator, grokparms, finish_struct, start_function,
7588 store_parm_decls, combine_parm_decls): Likewise.
7589 * c-parse.y (cast_expr): Likewise.
7590 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
7591 c_size_in_bytes, c_alignof, build_component_ref,
7592 build_indirect_ref, build_array_ref, convert_arguments,
7593 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
7594 * calls.c (initialize_argument_information): Likewise.
7595 * convert.c (convert_to_integer): Likewise.
7596 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
7597 * dwarfout.c (location_or_const_value_attribute,
7598 output_enumeration_type_die, output_structure_type_die,
7599 output_union_type_die, output_type): Likewise.
7600 * expr.c (safe_from_p, expand_expr): Likewise.
7601 * function.c (assign_parms): Likewise.
7602 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
7603 * tree.c (build_array_type, build_function_type,
7604 build_method_type, build_offset_type, build_complex_type): Likewise.
7605 * c-parse.c, c-parse.h: Regenerated.
7607 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7609 * config/c4x/rtems.h: Include config/rtems.h.
7611 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
7613 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
7614 decl is a FUNCTION_DECL
7616 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
7618 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
7619 function uses output registers. Don't save RP for leaf functions.
7620 Do save RP even if no epilogue.
7621 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
7622 (CALL_USED_REGISTERS): Unmark in registers.
7623 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
7626 2000-03-20 Geoff Keating <geoffk@cygnus.com>
7628 * config/rs6000/rs6000.md (bunordered): New expander.
7629 (bordered): New expander.
7630 (buneq): New expander.
7631 (bunge): New expander.
7632 (bungt): New expander.
7633 (bunle): New expander.
7634 (bunlt): New expander.
7635 (bltgt): New expander.
7637 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
7638 (ccr_bit_negated_p): New function.
7639 (print_operand): For %C, generate appropriate cror for UNEQ,
7640 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
7642 2000-03-20 Andreas Jaeger <aj@suse.de>
7644 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
7647 * tree.h (safe_for_unsave): Prototype.
7649 2000-03-20 Richard Henderson <rth@cygnus.com>
7651 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
7652 (combine_stack_adjustments_for_block): Don't allow sp references
7653 in the side of a set we're not fixing up.
7654 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
7655 after life_analysis.
7657 2000-03-20 Richard Henderson <rth@cygnus.com>
7659 * calls.c (expand_call): Don't bother generating tail call
7660 sequences if there are pending cleanups. Use
7661 expand_start_target_temps/expand_end_target_temps to elide
7662 cleanups created during sibcall expansion.
7664 2000-03-20 Geoff Keating <geoffk@cygnus.com>
7666 * configure.in: Set $IFS to a value if it doesn't already have one
7667 in the --enable-checking handling.
7668 * configure: Regenerate.
7670 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7672 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
7673 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
7676 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
7678 * jump.c (delete_noop_moves): Remove code attempting to
7679 combine stack adjustments.
7681 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7683 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
7684 * except.c (emit_cleanup_handler): Use them.
7685 (expand_end_all_catch): Likewise.
7686 * function.c (fixup_var_refs): Likewise.
7687 (expand_function_end): Clear catch_clauses_last.
7688 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
7689 * except.h (struct eh_status): New field x_catch_clauses_last.
7690 (catch_clauses_last): New define.
7692 * Makefile.in (tree.o): Depend on HASHTAB_H.
7693 * tree.c: Include hashtab.h.
7694 (struct type_hash): Remove next field.
7695 (TYPE_HASH_SIZE): Remove.
7696 (TYPE_HASH_INITIAL_SIZE): New define.
7697 (type_hash_table): Change type to htab_t.
7698 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
7699 mark_hash_entry): New functions.
7700 (init_obstacks): Allocate type hash.
7701 (type_hash_lookup): Use htab functions.
7702 (type_hash_add, mark_type_hash): Likewise.
7703 (dump_tree_statistics): Call print_type_hash_statistics.
7705 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7707 * rs6000/t-aix41: New file.
7709 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
7711 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
7713 * tm.texi (Driver): Fix typos and tweak entry for
7715 Move misplaced STRUCT_FORCE_BLK entry ...
7716 (Storage Layout): ... to here.
7717 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
7719 2000-03-19 Richard Henderson <rth@cygnus.com>
7721 * flow.c (delete_block): Delete the addr_vec along with the block.
7722 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
7725 * fold-const.c (extract_muldiv): Apply type check for defined
7726 overflow to multiply as well as divide.
7728 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
7730 2000-03-18 Mark Mitchell <mark@codesourcery.com>
7732 * emit-rtl.c (remove_unncessary_notes): Check that all
7733 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
7734 associated NOTE_BLOCK.
7735 * function.h (identify_blocks): Update comments.
7736 (reorder_blocks): Declare.
7737 * function.c (identify_blocks): Don't take paramters.
7738 (reorder_blocks): Don't take parameters.
7739 * loop.h (find_loop_tree_blocks): Remove.
7740 (unroll_block_trees): Likewise.
7741 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
7742 reorder_blocks instead of unroll_block_trees.h
7743 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
7744 * stmt.c (find_loop_tree_blocks): Remove.
7745 (unroll_block_trees): Likewise.
7746 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
7747 in whole-function mode.
7748 * tree.h (reorder_blocks): Remove declaration.
7750 * expr.c: Include intl.h.
7751 * Makefile.in (expr.o): Depend on intl.h.
7753 2000-03-18 Richard Henderson <rth@cygnus.com>
7755 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
7757 2000-03-18 Mark Mitchell <mark@codesourcery.com>
7759 * tree.h (tree_index): Remove enumerals for integer types.
7760 (integer_type_kind): New type.
7761 (integer_types): New variable.
7762 (char_type_node): Adjust.
7763 (signed_char_type_node): Likewise.
7764 (unsigned_char_type_node): Likewise.
7765 (short_integer_type_node): Likewise.
7766 (short_unsigned_type_node): Likewise.
7767 (integer_type_node): Likewise.
7768 (unsigned_type_node): Likewise.
7769 (long_integer_type_node): Likewise.
7770 (long_unsigned_type_node): Likewise.
7771 (long_long_integer_type_node): Likewise.
7772 (long_long_unsigned_type_node): Likewise.
7773 * tree.c (integer_types): New variable.
7774 (init_obstacks): Register it as a root.
7776 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
7778 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
7779 NEXT_INSN. Update last insn in chain.
7781 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
7783 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
7784 with TYPE_DECL_SUPPRESS_DEBUG set.
7786 2000-03-18 Richard Henderson <rth@cygnus.com>
7788 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
7790 2000-03-18 Richard Henderson <rth@cygnus.com>
7792 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
7793 care for HALF_PIC_P.
7794 (expander_call_insn_operand): Remove.
7795 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
7796 * i386.h (PREDICATE_CODES): Update.
7797 * i386.md (all call expanders): Remove predicates, remove special
7798 handling for half-pic.
7799 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
7800 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
7801 (sibcall_epilogue): New.
7803 2000-03-17 Richard Henderson <rth@cygnus.com>
7805 * rtlanal.c (single_set): Reject if the parallel has anything
7806 except SET or USE or CLOBBER.
7808 2000-03-17 Jeff Law <law@cygnus.com>
7809 Richard Henderson <rth@cygnus.com>
7811 * Makefile.in (OBJS): Add sibcall.o.
7813 * sibcall.c: New file.
7814 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
7815 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
7816 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
7817 Emit sibcall patterns when requested. Update all callers.
7818 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
7819 elimination seems feasable.
7820 * final.c (leaf_function_p): Sibling calls don't discount being
7822 * flow.c (HAVE_sibcall_epilogue): Provide default.
7823 (find_basic_blocks_1): Sibling calls don't throw.
7824 (make_edges): Make edge from sibling call to EXIT.
7825 (propagate_block): Don't remove sibcall_epilogue insns.
7826 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
7827 (sibcall_epilogue): New.
7828 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
7829 (identify_blocks_1): Likewise. Break out from ...
7830 (identify_blocks): ... here.
7831 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
7832 (reorder_blocks): ... here.
7833 (init_function_for_compilation): Zap prologue/epilogue as varrays.
7834 (record_insns): Extend a varray instead of mallocing new memory.
7835 (contains): Read a varray not array of ints.
7836 (sibcall_epilogue_contains): New.
7837 (thread_prologue_and_epilogue_insns): Emit and record
7838 sibcall_epilogue patterns.
7839 (init_function_once): Allocate prologue/epilogue varrays.
7840 * genflags.c (gen_insn): Treat sibcall patterns as calls.
7841 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
7843 (save_for_inline_nocopy): ... here.
7844 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
7846 (expand_inline_function): ... here.
7847 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
7848 (subst_constants): Handle 'n' formats.
7849 * jump.c (jump_optimize_minimal): New.
7850 (jump_optimize_1): New arg `minimal'; update callers. Elide most
7851 optimizations if it's set.
7852 * rtl.c (copy_rtx): Do copy jump & call for insns.
7853 * rtl.h (struct rtx_def): Document use of jump and call for insns.
7854 (SIBLING_CALL_P): New.
7855 (sibcall_use_t): New.
7856 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
7857 Invoke optimize_sibling_and_tail_recursive_calls.
7858 * tree.c (lang_safe_for_unsave): New.
7859 (safe_for_unsave): New.
7860 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
7862 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
7863 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
7864 (*sibcall_osf_1, *sibcall_value_osf_1): New.
7866 2000-03-17 Mark Mitchell <mark@codesourcery.com>
7868 * objc/objc-act.c (encode_method_prototype): Pass types, not
7869 PARM_DECLs, to int_size_in_bytes.
7871 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
7873 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
7875 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
7876 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
7878 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7880 * Clean up usages of TREE_INT_CST_LOW.
7881 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
7882 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
7884 * c-tree.h (min_precision): Move declaration to here.
7885 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
7886 (build_unary_op, add_pending_init): Use bit_position.
7887 (pending_init_member, process_init_element): Likewise.
7888 (really_start_incremental_init, push_init_level, pop_init_level):
7889 Don't make copies of nodes or modify them in place, use consistent
7890 types when tracking positions, and use tree routines computations.
7891 (set_init_index, output_init_element): Likewise.
7892 (output_pending_init_elements, process_init_element): Likewise.
7893 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
7894 tree_low_cst and int_bit_position; also minor cleanup.
7895 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
7896 (print_cst_octal): Precision is unsigned.
7897 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
7898 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
7899 (simple_type_align_in_bits): Result is unsigned int.
7900 Use tree_int_low_cst and host_integerp.
7901 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
7902 (field_byte_offset): Result is HOST_WIDE_INT.
7903 Change types of internal variables so alignments are unsigned int,
7904 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
7905 Use host_integerp, tree_low_cst, and int_bit_position.
7906 (add_bit_offset_attribute): Likewise.
7907 (add_data_member_location_attribute): Use tree_cst_low.
7908 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
7909 (add_bit_size_attribute): Use tree_low_cst.
7910 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
7911 * dwarfout.c: Similar changes to dwarf2out.c.
7912 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
7913 * genoutput.c (n_occurences): Return -1 for null string.
7914 (strip_whitespace): Accept null string and make into function.
7915 (scan_operands): Reflect above changes.
7916 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
7917 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
7918 * ssa.c (rename_registers): Add missing cast of arg to bzero.
7919 * tree.c (int_size_in_bytes): Check for too big to represent.
7920 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
7921 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
7923 (min_precision): Delete from here.
7924 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
7925 and int_bit_position.
7926 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
7927 (encode_method_def): Likewise.
7928 (build_ivar_list_initializer): Use int_bit_position.
7929 (generate_shared_structures): Convert size.
7930 (encode_type, encode_complete_bitfield): Use integer_zerop.
7931 (encode_bitfield): Use tree_low_cst and int_bit_position.
7933 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7935 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
7937 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7939 * call.c (special_function_p): It is only malloc if it returns
7942 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7944 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
7945 (C33_FLAG, TARGET_C3X): Add macros.
7946 (TARGET_SWITCHES): Add -m33 option.
7947 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
7949 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7951 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
7952 (PARALLEL_PACK_FLAG): Delete.
7953 (TARGET_SWITCHES): Update.
7954 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
7956 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7958 * fold-const.c (fold): Fix a few cases when the returned result
7959 is not of the same type as the input.
7961 2000-03-16 Nick Clifton <nickc@cygnus.com>
7963 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
7966 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7968 * libgcc2.h: Move prototypes above macros with the same name.
7969 Wrap some function prototypes in the conditional which indicates
7970 whether they are supported, i.e. "BITS_PER_UNIT == 8".
7972 2000-03-16 Richard Henderson <rth@cygnus.com>
7974 * calls.c: Revert last two changes.
7976 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
7978 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
7979 has exponent 0 is a zero.
7981 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
7982 HASH may already be nonzero. Add code/mode into hash value
7983 immediately after repeat label.
7984 (cselib_lookup): Don't leave the hash table in an inconsistent
7985 state before a hash lookup operation.
7987 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
7989 * i386.md (all HI and QI mode non-move patterns): Conditionize
7990 by TARGET_[HQ]IMODE_MATH.
7991 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
7992 x86_promote_qi_regs): Declare.
7993 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
7994 TARGET_PROMOTE_QI_REGS): New macros.
7995 (PROMOTE_MODE): New macro.
7996 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
7997 x86_promote_qi_regs): New global variables.
7999 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
8001 * calls.c (emit_library_call_value_1): Break out from ...; handle
8002 VOIDmode function calls too.
8003 (emit_library_call_value): ... here.
8004 (emit_library_call): Implement by calling emit_library_call_value_1.
8006 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
8008 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
8009 Update arg_space_so_far on stack adjustments.
8010 (emit_library_call, emit_library_call_value): Likewise; take into
8011 account arg_space_so_far and pending_stack_adjust when calculcating
8014 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
8016 * flow.c: Move all basic block reordering code into its own file.
8017 (create_basic_block): Externalize.
8018 * bb-reorder.c: New file. Copy all basic block reordering code from
8019 flow.c to this file.
8020 (reorder_basic_blocks): Fix fencepost error in for-loop.
8021 (reorder_basic_blocks): Remove braces from single statement for-loops.
8022 * basic-block.h: Add declaration for create_basic_block.
8023 * Makefile.in: Add rules for bb-reorder.o.
8025 2000-03-16 Neil Booth <NeilB@earthling.net>
8027 * cppinit.c (handle_option): Implement #unassert directive
8028 as -A- command line option.
8029 (print_help): Update.
8030 * cpptexi.c: Update.
8032 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
8034 * md.texi (Standard Names): Document `jump'.
8036 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
8038 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
8041 2000-03-15 Geoff Keating <geoffk@cygnus.com>
8043 Merge changes from newppc-branch onto trunk.
8045 2000-03-15 Geoff Keating <geoffk@cygnus.com>
8047 * rs6000.c (toc_hash_table): Update for new hash table functions.
8048 (toc_hash_function): Likewise.
8049 (toc_hash_eq): Likewise.
8050 (toc_hash_mark_entry): Likewise.
8051 (toc_hash_mark_table): Likewise.
8052 (output_toc): Likewise.
8053 (rs6000_add_gc_roots): Likewise.
8055 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8057 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
8058 (AR_FLAGS_FOR_TARGET): here. New macro.
8060 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
8062 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
8063 fpmem_operand) Delete.
8065 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
8066 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
8067 (rs6000_save_machine_status, rs6000_restore_machine_status,
8068 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
8069 references to above variables.
8070 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
8071 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
8072 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
8073 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
8074 (XER_REGNO_P, XER_REGNO): New.
8075 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
8076 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
8077 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
8079 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
8080 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
8081 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
8083 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8085 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
8086 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
8087 * rs6000.h: from here.
8089 * rs6000-protos.h (rs6000_select_section): Provide prototype.
8090 (rs6000_select_rtx_section): Likewise.
8091 (rs6000_encode_section_info): Likewise.
8092 (sdata_section): Likewise.
8093 (sdata2_section): Likewise.
8094 (sbss_section): Likewise.
8095 * sysv4.h (rs6000_select_section): Delete prototype.
8096 (rs6000_select_rtx_section): Likewise.
8097 (rs6000_encode_section_info): Likewise.
8098 (sdata_section): Likewise.
8099 (sdata2_section): Likewise.
8100 (sbss_section): Likewise.
8101 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
8103 * sysv4.h: Delete various unnecessary #undef's and put a comment
8104 on the remaining ones.
8105 Change various comments according to coding standard.
8107 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
8109 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
8110 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
8111 (CR0_REGNO_P) Remove.
8112 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
8113 setup_incoming_varargs, mtcrf_operation, print_operand,
8114 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
8115 Use the above macros.
8117 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
8119 * config/rs6000/rs6000.md: Added a new alternative for each
8120 pattern that had a 'x' alternative but no 'y' alternative.
8121 Added a new split for each of the above patterns.
8123 2000-02-18 Geoff Keating <geoffk@cygnus.com>
8125 * aix41.h (ASM_CPU_SPEC): Delete.
8126 (CPP_CPU_SPEC): Delete.
8128 * aix.h (RS6000_OUTPUT_BASENAME): Define.
8129 (ASM_OUTPUT_LABEL): Define.
8130 (ASM_GLOBALIZE_LABEL): Define.
8131 (STRIP_NAME_ENCODING): Define.
8132 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
8133 (STRIP_NAME_ENCODING): Don't define.
8134 (ASM_OUTPUT_LABEL): Don't define.
8135 (ASM_GLOBALIZE_LABEL): Don't define.
8136 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
8137 names, and ASM_OUTPUT_LABEL to output labels, rather than
8139 (ASM_OUTPUT_LABEL): Define.
8140 (ASM_OUTPUT_INT): Use assemble_name.
8141 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
8142 (STRIP_NAME_ENCODING): Don't undefine first.
8143 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
8145 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
8146 specified with 'asm' even with -fleading-underscore.
8147 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
8148 (output_epilog): Likewise.
8149 (output_toc): Likewise.
8150 * tramp.asm: Handle -fleading-underscore correctly.
8152 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
8154 (nonlocal_goto_receiver): Delete.
8155 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
8157 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
8158 (SET_ASM_OP): Define.
8159 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
8161 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
8164 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
8165 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
8167 * rs6000.h: Add 'u' to more constants.
8169 2000-02-18 David Edelsohn <edelsohn@gnu.org>
8171 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
8173 2000-02-15 David Edelsohn <edelsohn@gnu.org>
8175 * rs6000.c (reg_or_u_cint_operand): New function.
8176 (logical_operand): Handle 64-bit hosts.
8177 (logical_u_operand): New function.
8178 (non_logical_cint_operand): Handle 64-bit hosts.
8179 (non_logical_u_cint_operand): New function.
8180 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
8181 (PREDICATE_CODES): Define new functions.
8182 * rs6000-protos.h: Declare new functions.
8183 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
8184 (movdi_64): Bracket code intended for 64-bit hosts. Create
8185 CONST_DOUBLE for 32-bit values.
8186 (scc insns): Generate DImode compares.
8187 (mfcr insns): Create DImode versions.
8188 (sge matchers): New patterns.
8190 2000-02-15 Gabriel Paubert <paubert@iram.es>
8192 * rs6000.md: Correct instructions length attributes and
8193 constraints on unsigned compare instructions.
8194 (*ne0): Disable for PowerPC64.
8196 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8198 * rs6000.c (output_function_profiler): Use .long for a 32-bit
8199 quantity, fix profile1.C test failure under -fPIC.
8201 * rs6000.c: Add 'u' to many constants to suppress warnings.
8202 (constant_pool_expr_1): Make static.
8203 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
8204 * rs6000.h: Add 'u' to many constants to suppress warnings.
8206 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
8207 for the start of the TOC, instead of LCTOC..0.
8208 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
8210 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
8211 (load_toc_aix_di): Use LCTOC..1.
8213 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
8214 * rs6000.c (rs6000_legitimize_address): New function from
8215 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
8216 symbols in the constant pool that really are TOC references.
8217 (print_operand_address): For ELF, write TOC offsets under
8218 -fPIC as subtractions in the insn.
8219 (output_toc): For ELF, define symbols in TOC as normal labels,
8221 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
8222 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
8223 (create_TOC_reference): Prototype only when RTX_CODE is defined.
8224 * rs6000.md (movsi): Only use create_TOC_reference on
8225 symbols in the constant pool that really are TOC references.
8227 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
8228 * rs6000.c (rs6000_reorg): Delete.
8229 * rs6000-protos.h (rs6000_reorg): Delete.
8231 2000-02-09 Geoff Keating <geoffk@cygnus.com>
8233 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
8235 * aix.h (SETUP_FRAME_ADDRESSES): Define.
8236 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
8237 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
8238 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
8239 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
8240 rs6000_aix_emit_builtin_unwind_init.
8241 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
8242 rs6000_emit_eh_toc_restore on AIX.
8243 (return_eh_si): Use r2.
8244 (return_eh_di): Use r2.
8246 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
8247 since we're breaking binary compatibility anyway.
8249 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8251 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
8252 constant_pool_expr_p): Declare them.
8253 (constant_pool_expr_p): Declare it.
8254 * config/rs6000/rs6000.c (toc_label_name): Define.
8255 (rs6000_override_options): Set toc_label_name.
8256 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
8257 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
8258 uses_TOC): New functions.
8259 (print_operand): Delete old '*' case.
8260 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
8261 and strip off rtl for TOC before calling output_addr_const.
8262 (rs6000_emit_load_toc_table): Use toc_label_name.
8263 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
8265 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
8266 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
8267 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
8268 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
8269 into explicit TOC_REGISTER offsets.
8270 (TOC_REGISTER): New macro.
8271 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
8272 TARGET_TOC to reference TOC_REGISTER.
8273 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
8274 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
8275 uses_TOC before emitting label references.
8277 2000-02-05 Geoff Keating <geoffk@cygnus.com>
8279 * rs6000.md (stack_tie): Fix warning.
8281 * eabi-ctors.c: Use 'asm' names for the start/end variables,
8282 to handle -fleading-underscore.
8283 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
8284 (USER_LABEL_PREFIX): New macro.
8285 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
8286 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
8287 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
8288 call-linux can use the same multilibs.
8289 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
8290 and call-linux multilibs. Do multilib with -fleading-underscore.
8291 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
8292 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
8295 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
8296 have MASK_SOFT_FLOAT set.
8297 (CPP_FLOAT_DEFAULT_SPEC): New macro.
8298 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
8299 CPP_FLOAT_DEFAULT_SPEC.
8301 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
8302 * rs6000.md: Whitespace change.
8303 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
8304 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
8306 2000-02-05 Geoff Keating <geoffk@cygnus.com>
8308 * rs6000.md (eh_epilogue): New expander.
8309 (eh_reg_restore): New expand/split/insn combination.
8310 (return_eh_si): New insn.
8311 (return_eh_di): New insn.
8313 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
8314 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
8315 * eabi-ctors.c (__do_global_ctors): Register this object's
8316 frame. Clean up. Call atexit() after the constructors.
8317 (__do_global_dtors): Deregister this object's frame. Clean up.
8318 Allow for recursive calls to exit().
8319 * rs6000.c (fixuplabelno): New variable.
8320 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
8321 TARGET_RELOCATABLE, it slows down exec() under linux.
8322 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
8324 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
8325 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
8326 (ASM_OUTPUT_DWARF_DELTA2): New macro.
8327 (ASM_OUTPUT_DWARF_DELTA4): New macro.
8328 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
8329 (ASM_OUTPUT_DWARF_ADDR): New macro.
8330 (ASM_OUTPUT_DWARF_DATA4): New macro.
8331 (ASM_OUTPUT_DWARF_DATA2): New macro.
8332 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
8333 (ASM_OUTPUT_DWARF_OFFSET): New macro.
8334 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
8336 2000-02-03 Geoff Keating <geoffk@cygnus.com>
8338 * rs6000.c (rs6000_sr_alias_set): New variable.
8339 (rs6000_override_options): Initialise rs6000_sr_alias_set.
8340 (rs6000_emit_stack_tie): New function.
8341 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
8342 in a way that dwarf2out can understand.
8343 (rs6000_frame_related): New function.
8344 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
8345 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
8346 Use rs6000_emit_stack_tie when needed.
8347 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
8348 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
8349 * rs6000.md (stack_tie): New insn.
8350 (return_internal_si): Allow return value to be in the count
8352 (return_internal_di): Likewise.
8354 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
8356 2000-02-03 Geoff Keating <geoffk@cygnus.com>
8358 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
8360 2000-01-31 Geoff Keating <geoffk@cygnus.com>
8362 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
8364 * rs6000.md (stmw): Use the right POWER opcode.
8367 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8369 * rs6000-protos.h: New file.
8371 * rs6000.c: Include tm_p.h. Fix compile time warnings.
8373 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
8376 * sysv4.h: Likewise.
8378 2000-01-28 Geoff Keating <geoffk@cygnus.com>
8380 * ../../configure.in: Delete powerpcle-*-winnt*
8381 and powerpcle-*-pe|powerpcle-*-cygwin*.
8382 * ../../configure: Regenerated.
8384 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
8385 (TARGET_WINDOWS_NT): Delete.
8387 (CALL_NT_DLLIMPORT): Delete.
8388 Delete NT-specific code.
8389 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
8392 * nt-ci.asm: Delete.
8393 * nt-cn.asm: Delete.
8394 * ntstack.asm: Delete.
8396 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8398 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
8399 (ASM_FILE_START): Likewise.
8400 (ASM_DECLARE_FUNCTION_NAME): Likewise.
8401 (ASM_OUTPUT_LABELREF): Likewise.
8402 (ASM_OUTPUT_SKIP): Likewise.
8403 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
8404 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
8405 (ASM_OUTPUT_CASE_LABEL): Likewise.
8406 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
8407 (ASM_OUTPUT_ASCII): Likewise.
8409 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
8411 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
8412 reload_toc_labelno for non-prologue TOC reloads. Also, don't
8413 increment rs6000_pic_labelno here.
8414 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
8415 and increment rs6000_pic_labelno here.
8417 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
8419 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
8420 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
8421 allocation knows (reg) is dead before the insn.
8423 2000-01-21 Geoff Keating <geoffk@cygnus.com>
8425 * rs6000.md (movsi_to_cr): Correct typo in output template.
8427 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
8429 * rs6000.c (rs6000_pic_labelno): Always define.
8430 (rs6000_pic_func_labelno): Delete.
8431 (lmw_operation): Check for a zero base register,
8432 which doesn't mean what we want.
8433 (stmw_operation): New function.
8434 (print_operand): Define new 'l' modifier.
8435 (rs6000_stack_info): We must save all 64 bits of the registers
8436 if TARGET_POWERPC64.
8437 (rs6000_output_load_toc_table): Delete.
8438 (rs6000_emit_load_toc_table): New function.
8439 (rs6000_allocate_stack_space): Delete.
8440 (rs6000_emit_allocate_stack): New function.
8441 (rs6000_emit_prologue): New function.
8442 (output_prolog): Use rs6000_emit_prologue.
8443 (rs6000_emit_epilogue): Change a few variable names to be
8444 more accurate. Restore all 64 bits of the registers if
8445 TARGET_POWERPC64. Only restore the FP registers which were used
8446 if they are being saved/restored one-at-a-time.
8447 (output_mi_thunk): Delete inefficient code generation.
8448 (output_function_profiler): Don't use rs6000_output_load_toc_table.
8449 * rs6000.h: Declare rs6000_emit_load_toc_table,
8450 rs6000_allocate_stack_space, stmw_operation. Don't declare
8451 rs6000_output_load_toc_table.
8452 * rs6000.md (elf_high): Allow register 0, but discourage it
8454 (elf_low): Support loading into register 0.
8455 (load_toc_aix_si): New pattern.
8456 (load_toc_aix_di): New pattern.
8457 (load_toc_v4_pic_si): New pattern.
8458 (load_toc_v4_pic_di): New pattern.
8459 (load_toc_v4_PIC_1): New pattern.
8460 (load_toc_v4_PIC_1b): New pattern.
8461 (load_toc_v4_PIC_2): New pattern.
8462 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
8463 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
8464 (prologue): New expander.
8465 (movesi_from_cr): New pattern.
8466 (stmw): New pattern.
8467 (save_fpregs_si): New pattern.
8468 (save_fpregs_di): New pattern.
8470 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8472 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
8477 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8479 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
8481 (movsi_got_internal): Likewise.
8482 (movsi_got_internal+1): Likewise.
8483 (set_sp): 'unspec 7' does a SImode clobber.
8485 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8487 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
8488 allocate a stack temporary.
8489 (floatsidf2_internal): Likewise.
8490 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
8492 (floatunssidf2): Don't use the fpmem "register", just
8493 allocate a stack temporary.
8494 (floatunssidf2_internal): Likewise.
8495 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
8497 (floatsidf2_loadaddr): Delete.
8498 (floatsidf2_store1): Delete.
8499 (floatsidf2_store2): Delete.
8500 (floatsidf2_load): Delete.
8501 (fix_truncdfsi2): Don't use the fpmem "register", just
8502 allocate a stack temporary.
8503 (fix_truncdfsi2_internal_si): Delete.
8504 (fix_truncdfsi2_internal_di): Delete.
8505 (fix_truncdfsi2_internal): New insn.
8506 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
8507 (fix_truncdfsi2_store): Delete.
8508 (fix_truncdfsi2_load): Delete.
8509 (fctiwz): Produce gen_fctiwz.
8511 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
8513 * eabi.h (INVOKE__main): Define.
8514 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
8516 (rs6000_emit_prologue): Likewise.
8517 * rs6000.h (struct rs6000_stack): Don't keep track of whether
8518 this is the main program.
8520 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8522 * rs6000.c (rs6000_va_arg): Delete some unused variables.
8524 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8526 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
8527 goes after the argument.
8529 2000-01-12 Geoff Keating <geoffk@cygnus.com>
8531 * rs6000.md: Document 'unspec' values used.
8532 (epilogue): New expander.
8533 (movesi_to_cr_one): New expander.
8534 (movesi_to_cr and following): New pattern.
8536 (return_internal_si): New pattern.
8537 (return_internal_di): New pattern.
8538 (return_and_restore_fpregs_si): New pattern.
8539 (return_and_restore_fpregs_di): New pattern.
8540 * rs6000.h: Declare new functions.
8541 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
8542 rather than rs6000_calls_p.
8543 (rs6000_makes_calls): Delete.
8544 (lmw_operation): New function.
8545 (mtcrf_operation): New function.
8546 (rs6000_emit_epilogue): New function.
8547 (output_epilog): Call rs6000_emit_epilogue and final if
8548 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
8550 2000-01-12 Geoff Keating <geoffk@cygnus.com>
8552 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
8553 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
8554 * aix.h (SUBTARGET_SWITCHES): Document switches.
8555 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
8556 sched-prolog and sched-epilog the same. Document all the
8558 (TARGET_OPTIONS): No longer allow -mdebug-.
8560 2000-01-12 Geoff Keating <geoffk@cygnus.com>
8562 * rs6000.h (ASM_FILE_END): Move to aix.h.
8563 (EXTRA_SECTIONS): Move to aix.h.
8564 (READONLY_DATA_SECTION): Move to aix.h.
8565 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
8566 (SELECT_SECTION): Move to aix.h.
8567 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
8568 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
8569 (LINK_REGISTER_REGNUM): New definition.
8570 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
8571 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
8573 * sysv4.h: Delete the code between the inclusion of rs6000.h
8575 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
8576 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
8577 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
8578 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
8579 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
8580 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
8581 (fix_truncdfsi2_internal_di): New pattern.
8582 (fix_truncdfsi2_store): The second arg here is Pmode too.
8583 (fix_truncdfsi2_load): The second arg here is Pmode too.
8584 (tablejumpdi): Now that switch tables hold only SImode values,
8585 gcc needs to know how to add them to the pc which is DImode.
8586 * rs6000.c (rs6000_stack_info): Use symbolic name for
8587 LINK_REGISTER_REGNUM.
8588 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
8589 (output_toc): Delete unused variables s1 and s2.
8590 (output_ascii): Use fputs not fprintf on a variable string.
8592 2000-01-07 David Edelsohn <edelsohn@gnu.org>
8594 * rs6000.c (processor_target_table): Add power3 as alias for 630.
8595 * aix43.h: Revert Aug 2 change.
8596 (HAS_INIT_SECTION): Define, not visible yet.
8597 (LD_INIT_SWITCH): Define, not visible yet.
8598 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
8600 2000-01-04 Joel Sherrill (joel@OARcorp.com>
8602 * config/rs6000/rtems.h: Include config/rtems.h.
8604 2000-01-04 David Edelsohn <edelsohn@gnu.org>
8606 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
8607 (SLOW_UNALIGNED_ACCESS): Define.
8608 (CASE_VECTOR_MODE): Always use 32-bit offsets.
8609 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
8610 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
8611 (toc_section): Likewise and .toc pseudo-op.
8612 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
8614 (TEXT_SECTION_ASM_OP): Likewise.
8615 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
8618 1999-12-17 Jakub Jelinek <jakub@redhat.com>
8620 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
8621 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
8624 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8626 * rs6000.h: Move more stuff from here...
8628 * sysv4.h: Cleanup accordingly.
8629 * netware.h: Likewise
8631 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8633 * rs6000.h: Continue cleanup.
8636 * netware.h: Likewise.
8638 * sysv4.h: Likewise.
8639 * win-nt.h: Likewise.
8641 * rs6000.h (TARGET_SWITCHES): Add descriptions.
8642 (TARGET_OPTIONS): Likewise.
8644 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
8645 (SUBTARGET_OPTIONS): Likewise.
8647 * rs6000.md: Fix compile time warnings.
8649 2000-01-04 Geoff Keating <geoffk@cygnus.com>
8651 vxworks patches from the Cygnus tree originally by
8652 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
8653 <vmakarov@cygnus.com>.
8654 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
8655 (ENDFILE_SPEC): Likewise.
8656 (LIB_VXWORKS_SPEC): New macro.
8657 (STARTFILE_VXWORKS_SPEC): New macro.
8658 (ENDFILE_VXWORKS_SPEC): New macro.
8659 (LINK_START_VXWORKS_SPEC): New macro.
8660 (LINK_OS_VXWORKS_SPEC): New macro.
8661 (CPP_OS_VXWORKS_SPEC): New macro.
8662 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
8663 * vxppc.h: Rewrite to use proper configuration method.
8664 * vxppcle.h: New file.
8665 * ../../configure.in: Add powerpcle-wrs-vxworks*.
8666 * ../../configure: Rebuilt.
8668 2000-01-04 Geoff Keating <geoffk@cygnus.com>
8670 Lots of changes to rs6000.h, sysv4.h, aix.h,
8671 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
8672 with the aim that rs6000.h is the first header
8673 included and the others override it.
8676 * x-aix41-gld: Remove.
8678 * x-aix41: Remove target-specific switches, and don't specify
8679 -Wl,-bbigtoc as we don't need it any more.
8680 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
8681 Use t-aix43 for AIX 4.3 and above.
8682 * ../../configure: Regenerated.
8684 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
8685 options, that don't do anything yet.
8686 (MASK_SCHED_PROLOG): New macro.
8687 (MASK_SCHED_EPILOG): New macro.
8688 (TARGET_SCHED_PROLOG): New macro.
8689 (TARGET_SCHED_EPILOG): New macro.
8691 2000-01-04 Geoff Keating <geoffk@cygnus.com>
8693 * rs6000.c: Correct comment, the `minimal' TOCs are actually
8694 one per translation unit, not one per function.
8695 (output_toc): Also do duplicate constant elimination
8696 for per-translation-unit TOCs.
8698 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
8699 a comment explaining _exactly_ when this pattern gets used.
8700 (builtin_setjmp_receiver): New pattern for better clarity.
8701 (init_v4_pic): Move it into a section dealing with TOC registers.
8703 1999-12-30 Geoff Keating <geoffk@cygnus.com>
8705 * rs6000.c (toc_hash_table): New variable.
8706 (rs6000_hash_constant): New function.
8707 (toc_hash_function): New function.
8708 (toc_hash_eq): New function.
8709 (toc_hash_mark_entry): New function.
8710 (toc_hash_mark_table): New function.
8711 (output_toc): Don't output duplicate TOC entries in
8713 (rs6000_add_gc_roots): Add the hash table as a GC root.
8714 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
8715 where they clearly shouldn't be. This may need to be fixed
8716 later when there is a GNU ar for AIX.
8717 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
8718 Don't define BOOT_LDFLAGS as it is now not necessary.
8720 1999-12-29 Geoff Keating <geoffk@cygnus.com>
8722 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
8723 for va_list on AIX. Use unsigned_char_type_node rather than
8724 constructing our own version on svr4.
8726 1999-12-17 Geoff Keating <geoffk@cygnus.com>
8728 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
8729 since patently it's not.
8731 1999-12-08 Geoff Keating <geoffk@cygnus.com>
8733 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
8734 define_expand/define_insn pair, and handle restore of the
8735 SVR4 -fpic register.
8737 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
8739 * acconfig.h (HAVE_GAS_WEAK): New define.
8740 * configure.in (assembler weak support): Check for .weak support.
8741 * config.in, configure: Rebuilt.
8742 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
8743 HAVE_GAS_WEAK is defined.
8745 2000-03-15 Nick Clifton <nickc@cygnus.com>
8747 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
8750 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
8752 * cppfiles.c (open_include_file): New function.
8753 (find_include_file, cpp_read_file): Use it.
8755 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
8757 * cpphash.c (dump_hash_helper): Take the slot, not the element.
8759 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
8761 * flow.c (verify_flow_info): Check for unconditional return.
8763 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
8765 * config/ia64/ia64.md (restore_stack_nonlocal): New.
8766 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
8767 (__ia64_restore_stack_nonlocal): New.
8768 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
8770 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8772 * cpphash.c (collect_formal_parameters): Do not complain about
8773 parameter names that just start with `__VA_ARGS__'.
8775 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
8777 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
8778 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
8779 * i386.c (pentiumpro_cost): Set mul cost to 4.
8780 (x86_use_movx): Set for PPro.
8782 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
8784 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
8785 STACK_BOUNDARY for empty frames now.
8787 2000-03-14 Mark Mitchell <mark@codesourcery.com>
8789 * stor-layout.c (layout_union): Remove.
8790 (layout_union_field): New function, split out from layout_union.
8791 (finish_union_layout): Likewise.
8792 (layout_field): Handle unions by calling layout_union_field.
8793 (finish_record_layout): Handle unions.
8794 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
8795 QUAL_UNION_TYPE handling.
8797 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
8799 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
8800 end of basic block is jump_insn, not barrier; use create_basic_block
8801 instead of creating basic block by hand.
8803 2000-03-14 Jason Eckhardt <jle@cygnus.com>
8805 * flow.c (reorder_basic_blocks): Account for barriers when writing
8806 over NEXT_INSN (last_bb->end).
8807 (verify_flow_info): Add check for missing barriers.
8809 2000-03-14 Greg McGary <gkm@gnu.org>
8811 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
8812 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
8813 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
8814 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
8815 __unbounded, __unbounded__): New keywords.
8816 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
8817 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
8818 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
8820 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
8822 * cselib.h: New file.
8823 * alias.c: Include "cselib.h".
8824 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
8825 MEMs as two new arguments.
8826 (get_addr): New static function.
8827 (find_base_term): Handle VALUEs.
8828 (memrefs_conflict_p): Likewise.
8829 (true_dependence): Call get_addr on the addresses.
8830 Call fixed_scalar_and_varying_struct_p with addresses that have been
8831 passed through get_addr and canon_rtx.
8832 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
8833 with true_dependence.
8834 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
8835 * loop.c: Include "cselib.h".
8836 (load_mems): Process extended basic block that enters the loop with
8837 cselib. Use that information to change initialization of the shadow
8838 register so that a constant equivalence is seen by later passes.
8839 * reload1.c: Include "cselib.h".
8840 (reload_cse_invalidate_regno): Delete function.
8841 (reload_cse_mem_conflict_p): Likewise.
8842 (reload_cse_invalidate_mem): Likewise.
8843 (reload_cse_invalidate_rtx): Likewise.
8844 (reload_cse_regno_equal_p): Likewise.
8845 (reload_cse_check_clobber): Likewise.
8846 (reload_cse_record_set): Likewise.
8847 (reg_values): Delete static variable.
8848 (invalidate_regno_rtx): Likewise.
8849 (reload_cse_delete_noop_set): New static function.
8850 (reload_cse_simplify): New static function, broken out of
8852 (reload_cse_noop_set_p): Delete unused argument INSN.
8853 Just call rtx_equal_for_cselib_p on set source and destination.
8854 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
8855 reload_cse_delete_noop_set. Delete code to keep track of values; use
8856 cselib functions instead. Delete code to push/pop obstacks.
8857 (reload_cse_simplify_set): Use cselib to find equivalent values.
8858 Delete code to push/pop obstacks.
8859 (reload_cse_simplify_operands): Likewise.
8860 * rtl.def (VALUE): New rtx code.
8861 * rtl.h (union rtunion_def): New elt rt_cselib.
8862 (X0CSELIB, CSELIB_VAL_PTR): New macros.
8863 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
8864 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
8865 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
8866 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
8867 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
8868 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
8869 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
8870 cselib_record_set, cselib_record_sets): New static functions.
8871 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
8872 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
8873 references_value_p): New functions.
8874 (MAX_USELESS_VALUES, REG_VALUES): New macros.
8875 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
8876 n_useless_values, reg_values, callmem, cselib_obstack,
8877 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
8878 New static variables.
8879 * varray.h (union varray_data_tag): New elt te.
8880 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
8881 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
8884 2000-03-14 Nick Clifton <nickc@cygnus.com>
8886 * gcc.c (do_spec_1): Catch the case where %* is used in a
8887 substitution pattern, but it has not been initialised.
8888 Issue a meaningful error message if an unrecognised operator
8889 is encountered in a spec string.
8891 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
8893 * function.c (prepare_function_start): Correctly initialize
8894 cfun->stack_alignment_needed.
8896 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
8898 * cppfiles.c (find_include_file): Don't assume nshort is a
8901 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
8903 * configure.in (hppa configurations): Add pa32-regs.h to the
8904 list of tm files as appropriate.
8905 * configure: Rebuilt.
8906 * pa.c (compute_frame_size): Remove explicit knowledge about FP
8908 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
8909 (fmpyaddoperands, fmpysuboperands): Likewise.
8910 * pa.h: Remove various definitions which depend on knowing
8911 how registers are numbered.
8912 * pa32-regs.h: New file with PA32 register numbering specific
8915 2000-03-14 Richard Henderson <rth@cygnus.com>
8917 * regmove.c (combine_stack_adjustments): New.
8918 (stack_memref_p, single_set_for_csa): New.
8919 (free_csa_memlist, record_one_stack_memref): New.
8920 (try_apply_stack_adjustment): New.
8921 (combine_stack_adjustments_for_block): New.
8922 * rtl.h (combine_stack_adjustments): Declare.
8923 * toplev.c (rest_of_compilation): Call it.
8925 * i386.md: Revert 2000-01-16 change.
8927 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8929 * gccbug.in: Add web category, gcc specific classes.
8931 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
8933 * stor-layout.c (finalize_record_size): Fix typo.
8935 2000-03-14 Stan Shebs <shebs@apple.com>
8937 * c-typeck.c (c_alignof): Error on incomplete types.
8938 * extend.texi (Alignment): Document this.
8940 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
8942 * cppfiles.c: Include mkdeps.h.
8943 (find_include_file, read_include_file): Remove _cpp_ prefix
8944 from name, make static.
8945 (_cpp_execute_include): New function, broken out of
8948 * cpplib.c: Don't include mkdeps.h.
8949 (struct directive): Remove type field. Reorder entries. The
8950 function takes only one argument.
8951 (struct if_stack): Make type field an int.
8952 (directive_table): Rename to dtable. Generate it, the
8953 prototypes of the directive handlers, and the enum for the
8954 directive numbers, from a template macro.
8955 (do_ifndef, do_include_next, do_import): New functions.
8956 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
8957 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
8958 do_ident, do_assert, do_unassert, do_sccs): Take only one
8960 (do_sccs): Define always, but alter behavior based on
8962 (_cpp_handle_directive, consider_directive_while_skipping):
8963 Restructure for new directive table layout.
8965 (pass_thru_directive): Take a directive number, not a pointer
8966 to a struct directive.
8967 (parse_include): New function, broken out of do_include.
8968 (do_include, do_import, do_include_next): Use parse_include
8969 and _cpp_execute_include.
8970 (do_elif, do_else): Test for T_ELSE specifically when checking
8971 for #elif/#else after #else.
8972 (parse_ifdef): New function, broken out of do_ifdef.
8973 (validate_else): Expect a name arg without a leading #.
8974 (if_directive_name): Delete.
8975 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
8976 directive handlers with only one argument.
8978 * cpphash.h: Update prototypes.
8979 (enum node_type): Remove entries for directives.
8980 * Makefile.in: Update dependencies.
8982 * cpphash.c (dump_hash_helper): Only dump nodes of type
8983 T_MACRO. Emit a newline after each definition.
8985 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8987 * gccbug.in: New file.
8988 * configure.in (all_outputs): Add gccbug.
8989 * Makefile.in (install-common): Install gccbug.
8990 (GCCBUG_INSTALL_NAME): New variable.
8991 * configure: Rebuilt.
8993 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
8995 * function.c (put_var_into_stack): Use type_for_mode to calculate
8996 part_type. Use MEM_SET_IN_STRUCT_P.
8997 * expr.c (store_field): Handle CONCAT.
8998 (store_constructor): Use fields_length.
8999 * tree.c (fields_length): New fn.
9000 * tree.h: Declare it.
9002 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9004 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
9005 (cpplex.o): New target.
9006 * po/POTFILES.in: Add cpplex.c.
9008 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
9009 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
9010 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
9011 skip_block_comment, skip_line_comment, skip_comment,
9012 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
9013 _cpp_parse_name, skip_string, parse_string,
9014 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
9015 _cpp_get_directive_token, find_position,
9016 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
9017 (maybe_macroexpand, _cpp_lex_token): New functions.
9019 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
9020 parse_goto_mark): Delete.
9021 (_cpp_handle_eof): New function.
9022 (_cpp_handle_directive): Rename from handle_directive.
9023 (_cpp_output_line_command): Rename from output_line_command.
9024 (do_if, do_elif): Call _cpp_parse_expr directly.
9025 * cppfiles.c (_cpp_read_include_file): Don't call
9026 init_input_buffer here.
9027 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
9028 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
9029 here; pop the token_buffer and skip the rest of the line here.
9030 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
9033 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
9035 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
9036 CPP_GOTO_MARK): New macros.
9037 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
9038 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
9039 _cpp_read_and_prescan, _cpp_init_input_buffer,
9040 _cpp_grow_token_buffer, _cpp_get_directive_token,
9041 _cpp_handle_directive, _cpp_handle_eof,
9042 _cpp_output_line_command): Prototype them here.
9043 * cpplib.h (enum cpp_token): Add CPP_MACRO.
9044 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
9045 quote_string, output_line_command): Remove.
9047 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
9049 * stmt.c (expand_end_case): RANGE may be signed, and when checking
9050 whether it is too large we must also verify that it isn't negative.
9052 2000-03-13 Jakub Jelinek <jakub@redhat.com>
9054 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
9055 (movsi_zero_liveg0): Remove.
9056 (movsf_insn_novis_liveg0): Remove.
9058 (negsi2_not_liveg0): Rename to negsi2.
9059 (one_cmplsi2): Remove.
9060 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
9061 (one_cmplsi2_liveg0): Remove.
9062 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
9063 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
9064 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
9065 (PREDICATE_CODES): Remove zero_operand.
9066 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
9067 TARGET_BROKEN_SAVERESTORE.
9068 (zero_operand): Remove.
9069 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
9070 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
9072 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
9073 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
9074 TARGET_BROKEN_SAVERESTORE): Remove.
9075 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9077 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9079 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9082 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
9084 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9086 * cpplib.c (do_pragma_implementation): Fix off-by-one error
9087 truncating a string. Don't assume tokens are nul terminated.
9088 Problem noted by Andreas Jaeger <aj@suse.de>
9090 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
9092 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
9093 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
9094 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
9096 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
9098 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
9099 STRUCTURE_SIZE_BOUNDARY.
9101 2000-03-13 Mark Mitchell <mark@codesourcery.com>
9103 * tree.h (record_layout_info_s): New structure.
9104 (record_layout_info): New type.
9105 (new_record_layout_info): New function.
9106 (layout_field): Likewise.
9107 (finish_record_layout): Likewise.
9108 * stor-layout.c (layout_record): Remove.
9109 (new_record_layout_info): New function.
9110 (layout_field): New function, broken out from layout_record.
9111 (finalize_record_size): Likewise.
9112 (compute_record_mode): Likewise.
9113 (finalize_type_size): New function, broken out from layout_type.
9114 (finish_record_layout): Likewise.
9115 (layout_type): Use them.
9117 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
9119 * cpphash.c: Don't include version.h.
9120 (special_symbol) [case T_VERSION]: Look for the string in
9121 hp->value.cpval; don't use version_string.
9122 * cppinit.c (initialize_builtins): Set hp->value.cpval for
9123 __VERSION__ to version_string.
9124 * Makefile.in (cpphash.o): Update deps.
9126 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
9128 Convert cpplib to use libiberty/hashtab.c.
9130 * cpplib.h (struct cpp_reader): Make hashtab and
9131 all_include_files of type 'struct htab *'. Delete HASHSIZE
9132 and ALL_INCLUDE_HASHSIZE macros.
9134 * cpphash.h: Update prototypes.
9135 (struct hashnode): Remove next, prev, and bucket_hdr members.
9136 Make length a size_t. Add hash member.
9137 (struct ihash): Remove next member. Add hash member. Make
9138 name a flexible array member.
9140 * cppfiles.c: Include hashtab.h.
9141 (include_hash): Delete.
9142 (IHASHSIZE): New macro.
9143 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
9144 (cpp_included): Do the hash lookup here.
9145 (_cpp_find_include_file): Rewrite.
9146 (cpp_read_file): Put the "fake" hash entry into the hash
9147 table. Honor the control_macro, if it turns out we've seen
9148 the file before. Don't push the buffer here.
9149 (_cpp_read_include_file): Push the buffer here.
9150 (OMODES): New macro. Use it whenever we call open(2).
9152 * cpphash.c: Include hashtab.h.
9153 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
9154 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
9155 _cpp_lookup_slot): New functions.
9156 (HASHSIZE): new macro.
9157 (hashf, _cpp_install, _cpp_delete_macro): Delete.
9158 (_cpp_lookup): Use hashtab.h routines.
9160 * cppinit.c: Include hashtab.h.
9161 (cpp_reader_init): Call _cpp_init_macro_hash and
9162 _cpp_init_include_hash. Don't allocate hashtab directly.
9163 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
9164 pfile->all_include_files.
9165 (initialize_builtins): Use _cpp_make_hashnode and
9166 htab_find_slot to add hash entries.
9167 (cpp_finish): Just call _cpp_dump_macro_hash.
9168 * cpplib.c: Include hashtab.h.
9169 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
9170 create hash entries.
9171 (do_pragma_poison, do_assert): Likewise.
9172 (do_include): Don't push the buffer here. Don't increment
9173 system_include_depth unless _cpp_read_include_file succeeds.
9174 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
9176 (do_pragma_implementation): Use alloca to create copy.
9178 * Makefile.in: Update dependencies.
9180 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9182 * cppinit.c (cl_directive_handler): More K&R fixing.
9184 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
9186 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
9188 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
9190 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9192 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
9193 Change from char[] to macros.
9195 2000-03-12 Neil Booth <NeilB@earthling.net>
9197 * cppinit.c (cpp_start_read): Update indirect function
9200 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
9202 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
9205 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
9206 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
9208 2000-03-11 Neil Booth <NeilB@earthling.net>
9210 * cppinit.c (struct pending option): Replace undef with a
9211 pointer to a directive handling routine.
9212 (struct cpp_pending): Replace separate assert_ and define_
9213 lists with one directive_ list.
9214 (new_pending_define): Rename new_pending_directive. Extra
9215 argument is the directive's handling routine.
9216 (handle_option): Update to use new_pending_directive.
9218 2000-03-11 Neil Booth <NeilB@earthling.net>
9220 * cppfiles.c (file_cleanup, _cpp_find_include_file,
9221 remap_filename, _cpp_read_include_file, actual_directory,
9222 hack_vms_include_specification): Replace bcopy(), index() etc
9223 calls. Add casts to some allocations. Make some variables
9224 pointers to const [unsigned] char.
9225 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
9226 collect_formal_parameters): Similarly.
9227 * cppinit.c (struct pending_option, append_include_chain,
9228 cpp_options_init, cpp_reader_init, initialize_standard_includes,
9229 cpp_start_read, new_pending_define, handle_option): Similarly.
9230 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
9231 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
9232 do_pragma_implementation, detect_if_not_defined,
9233 do_ifdef, skip_if_group, cpp_get_token, parse_string,
9234 do_assert, do_unassert): Similarly.
9235 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
9236 function prototypes.
9237 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
9239 2000-03-10 Richard Henderson <rth@cygnus.com>
9241 * builtins.c (expand_builtin_strlen): Revert last change.
9242 Use emit_insn_before if we're at the beginning of a sequence.
9244 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
9246 * builtins.c (expand_builtin_strlen): Make sure that we have something
9247 at the beginning of the sequence.
9249 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
9252 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
9254 2000-03-10 Richard Henderson <rth@cygnus.com>
9256 * except.c (can_throw): Use INTVAL on a CONST_INT.
9257 (reachable_handlers): Likewise.
9258 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
9260 2000-03-10 Andreas Jaeger <aj@suse.de>
9262 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
9263 MD_STARTFILE_PREFIX since those are not needed on linux.
9264 (ASM_FILE_START): New, from mips/gnu.h.
9266 2000-03-09 Richard Henderson <rth@cygnus.com>
9267 Alex Samuel <samuel@codesourcery.com> and others
9269 * Makefile.in (ssa.o): New rule.
9271 (STAGESTUFF): Add *.ssa and *.ussa.
9272 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
9273 * rtl.def (PHI): New RTL expression.
9274 * rtl.h (clear_log_links): New declaration.
9275 (convert_to_ssa): Likewise.
9276 (convert_from_ssa): Likewise.
9277 * flow.c (split_edge): If the entry node falls through to the
9278 split edge's source block, split the entry edge.
9279 (clear_log_links): New function.
9280 * toplev.c (ssa_dump): New variable.
9281 (flag_ssa): Likewise.
9282 (f_options): Add "ssa".
9283 (compile_file): Create SSA dump files.
9284 (rest_of_compilation): Go to and from SSA if enabled.
9285 (decide_d_option): Handle -de for SSA dump files.
9288 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
9290 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
9293 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
9295 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
9297 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
9299 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
9300 (MD_STARTFILE_PREFIX_1): New macro.
9302 2000-03-09 Robert Lipe <robertl@sco.com>
9304 * config/ia64/ia64.c: Include system.h.
9306 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
9308 * except.c (nothrow_function_p): If -fno-exceptions, just return.
9309 (init_eh_nesting_info): Likewise.
9311 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
9312 (TREE_NOTHROW): Rename from TREE_RAISES.
9313 * toplev.c (rest_of_compilation): Set it.
9314 * print-tree.c (print_node): Adjust.
9315 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
9316 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
9317 * calls.c (emit_call_1): Add 'nothrow' parm. Add
9318 REG_EH_REGION note as appropriate.
9319 (libfunc_nothrow): New fn.
9320 (emit_library_call, emit_library_call_value): Use it.
9321 (expand_call): Check TREE_NOTHROW.
9323 * varasm.c (make_decl_rtl): Skip initial '*' when setting
9324 DECL_ASSEMBLER_NAME.
9326 2000-03-09 Andreas Jaeger <aj@suse.de>
9328 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
9329 (TARGET_MEM_FUNCTIONS): Define.
9331 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
9333 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
9335 * except.c (can_throw): See through a SEQUENCE.
9336 (nothrow_function_p): New fn.
9337 * except.h: Declare it.
9338 * function.c (current_function_nothrow): New var.
9339 (prepare_function_start): Initialize it.
9340 * output.h: Declare it.
9341 * toplev.c (rest_of_compilation): Set it.
9342 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
9344 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
9346 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
9347 match. (cpp_compare_defs): Count the nul separator when
9348 advancing over argument names.
9350 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
9352 * recog.c (preprocess_constraints): Matching constraints affect
9353 same alternative/different operand, not same operand/different
9356 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
9357 register and a constant specially.
9359 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9361 * libgcc2.h: New file.
9362 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
9364 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
9366 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
9367 * configure: Regenerate.
9370 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
9372 * Makefile.in (LIBCPP_DEPS): New macro.
9373 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
9375 * cpperror.c: Include cpphash.h.
9376 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
9378 (lex): Don't use CPP_WARN_UNDEF.
9379 (_cpp_parse_expr): Return an int, the truth value.
9380 * cppfiles.c: Include cpphash.h.
9381 (_cpp_merge_include_chains): Move to cppinit.c and make static.
9382 * cppinit.c (include_defaults_array): Disentangle.
9383 (cpp_cleanup): Don't free the if stack here.
9384 (cpp_finish): Pop off all buffers, not just one.
9385 * cpplib.c (eval_if_expr): Return int.
9386 (do_xifdef): Rename do_ifdef.
9387 (handle_directive): Don't use CPP_PREPROCESSED.
9388 (cpp_get_token): Don't use CPP_C89.
9389 * fix-header.c: Don't use CPP_OPTIONS.
9391 * cpplib.h: Move U_CHAR, enum node_type, struct
9392 file_name_list, struct ihash, is_idchar, is_idstart,
9393 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
9394 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
9395 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
9396 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
9397 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
9398 of _cpp_simplify_pathname, _cpp_find_include_file,
9399 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
9400 Move struct if_stack to cpplib.c. Move struct cpp_pending to
9402 Change all uses of U_CHAR to be unsigned char instead.
9403 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
9405 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
9407 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
9408 (dwarf2out_begin_prologue): Set it.
9409 (output_call_frame_info): Don't emit EH unwind info for leaves.
9411 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
9412 can occur outside of an EH region.
9413 * except.c: Correct comments about rethrow behavior.
9414 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
9416 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
9418 * flow.c (make_edges): Always call make_eh_edge for calls.
9420 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
9422 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
9423 (struct cpp_buffer): Remove fname and underflow fields.
9424 (struct cpp_reader): Remove get_token field.
9425 (struct include_hash): Rename to struct ihash. Add typedef to
9427 (struct if_stack): Remove fname field.
9428 (IF_STACK_FRAME): Rename to IF_STACK.
9430 * cpperror.c (print_containing_files): Trust that there are no
9431 macro buffers below the top file buffer.
9432 * cppfiles.c: Replace all references to 'struct include_hash'
9433 with 'IHASH'. Rename initialize_input_buffer to
9434 init_input_buffer. Don't set or reference cpp_buffer->fname,
9435 use buffer->ihash->name instead.
9436 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
9437 not CPP_NULL_BUFFER.
9438 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
9439 IF_STACK_FRAME, IHASH not struct include_hash.
9440 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
9441 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
9442 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
9443 references to cpp_buffer->fname (delete entirely, or use
9444 ->ihash->name instead) and IF_STACK->fname.
9445 (cpp_push_buffer): Don't set new->underflow.
9446 (do_include): Use cpp_file_buffer.
9448 * cpphash.c (collect_formal_parameters): Remove duplicate
9449 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
9450 used as a macro argument name. Don't append "..." to namebuf
9451 for varargs macros. After we're done scanning, go through
9452 namebuf and make it NUL separated, not comma separated.
9453 (_cpp_compare_defs): Remove register tag from variables.
9454 Expect defn->argnames to be NUL separated.
9455 (_cpp_dump_definition): Expect defn->argnames to be NUL
9456 separated and in forward order.
9457 * cpphash.h: Update documentation of argnames field.
9459 2000-03-08 Richard Henderson <rth@cygnus.com>
9461 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
9462 to fail. Don't pre-expand the source operand.
9464 * i386.md (strlensi): Initialize eoschar and align before use.
9466 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
9468 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
9469 CONSTRUCTOR element.
9471 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
9473 * mips.c (mips_expand_prologue): If the last
9474 named argument is the vararg marker "va_list", treat it as
9475 an unnamed argument.
9477 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
9479 * dbxout.c (dbxout_parms): When correcting for promoted
9480 big-endian parameters, use the mode of the DECL_RTL rather
9481 than UNITS_PER_WORD.
9483 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
9485 * c-common.h (make_fname_decl): Declare.
9486 * c-common.c (make_fname_decl): Define.
9487 (declare_hidden_char_array): Remove.
9488 (declare_function_name): Use make_fname_decl.
9489 * c-decl.c (c_make_fname_decl): New function.
9490 (init_decl_processing): Set make_fname_decl.
9492 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
9494 * cccp.c (handle_directive): Initialize backslash_newlines_p.
9496 2000-03-07 Philipp Thomas <pthomas@suse.de>
9498 * po/POTFILES.in: Remove cppalloc.c from file list.
9500 2000-03-07 Steve Chamberlain <sac@pobox.com>
9502 * pj.c (pj_expand_prologue): current_function->args_info is
9503 now current_function_args_info.
9505 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
9506 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
9507 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
9509 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9511 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
9512 output as hexadecimal rather than the default octal.
9514 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
9516 * cpphash.c (special_symbol): Fix thinko in previous commit.
9518 2000-03-07 Neil Booth <NeilB@earthling.net>
9520 * cppexp.c (struct operation, left_shift, right_shift,
9521 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
9522 "int"s to "unsigned int"s.
9523 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
9525 * cpplib.h: Update for above.
9526 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
9527 returned from allocations.
9529 * cppinit.c (opt_comp, parse_options): New functions.
9530 (handle_option): Use parse_option to parse a single command
9531 line option, that possibly takes an argument.
9532 (cpp_handle_options): Sort the array of command line options on
9533 first invocation (non-ASCII hosts only).
9534 (print_help): Update.
9536 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
9538 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
9539 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
9541 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
9543 * cppinit.c (cpp_cleanup): Free imp->nshort also.
9545 * cpperror.c (cpp_print_containing_files,
9546 cpp_print_file_and_line, v_cpp_message): Rename to
9547 print_containing_files, print_file_and_line, and v_message.
9548 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
9549 to _cpp_parse_expr, parse_escape, and lex.
9550 (parse_charconst): Remove broken multibyte support.
9551 * cppfiles.c (include_hash): Make static.
9552 (cpp_included): New function.
9553 (merge_include_chains, find_include_file, finclude,
9554 simplify_pathname): Rename to _cpp_merge_include_chains,
9555 _cpp_find_include_file, _cpp_read_include_file, and
9556 _cpp_simplify_pathname.
9557 * cpphash.c (cpp_lookup, free_definition, delete_macro,
9558 cpp_install, create_definition, macroexpand, compare_defs,
9559 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
9560 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
9561 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
9562 * cppinit.c (cpp_handle_option): Rename to handle_option, make
9564 * cpplib.c: Remove extern prototype of cpp_parse_expr.
9566 * cpphash.h: Update prototypes.
9567 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
9569 2000-03-07 Andrew Haley <aph@cygnus.com>
9571 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
9572 PTRDIFF_TYPE should be based solely on Pmode.
9575 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9577 * rtl.h (rtunion_def): Constify member `rtstr'.
9578 (emit_line_note_after, emit_line_note, emit_line_note_force,
9579 emit_note, decode_asm_operands): Constify.
9581 * cse.c (canon_hash): Likewise.
9583 * dbxout.c (dbxout_block): Likewise.
9585 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
9586 v_warning_for_asm): Likewise.
9588 * dwarfout.c (function_start_label): Likewise.
9590 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
9591 emit_line_note_force): Likewise.
9593 * final.c (last_filename, asm_insn_count, final_scan_insn,
9594 output_source_line): Likewise.
9596 * function.h (struct emit_status): Likewise.
9598 * gcse.c (hash_expr_1): Likewise.
9600 * genattr.c (gen_attr, main): Likewise.
9602 * genattrtab.c (struct function_unit, current_alternative_string,
9603 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
9604 attr_numeral, check_attr_test, check_attr_value,
9605 convert_set_attr_alternative, convert_set_attr,
9606 compute_alternative_mask, simplify_by_exploding, gen_attr,
9607 gen_unit): Likewise.
9609 * genflags.c (gen_insn): Likewise.
9611 * gengenrtl.c (type_from_format): Likewise.
9613 * genopinit.c (gen_insn): Likewise.
9615 * genoutput.c (n_occurrences, process_template, process_template):
9618 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
9621 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
9624 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
9625 ggc_set_mark, ggc_get_size): Likewise.
9627 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
9629 * optabs.c (init_one_libfunc): Likewise.
9631 * output.h (assemble_start_function): Likewise.
9633 * recog.c (decode_asm_operands): Likewise.
9635 * toplev.c (rest_of_compilation): Likewise.
9637 * tree.h (emit_line_note_after, emit_line_note,
9638 emit_line_note_force): Likewise.
9640 * varasm.c (asm_output_bss, asm_output_aligned_bss,
9641 asm_emit_uninitialised, assemble_start_function,
9642 assemble_variable, const_hash, compare_constant_1,
9643 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
9645 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
9647 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
9649 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
9651 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
9653 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
9654 arm_dllimport_name_p): Likewise.
9656 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
9659 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
9661 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9663 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
9664 arm_mark_dllexport, arm_mark_dllimport,
9665 arm_pe_encode_section_info): Likewise.
9667 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
9668 ASM_FINISH_DECLARE_OBJECT): Likewise.
9670 * arm/thumb.c (thumb_function_prologue): Likewise.
9672 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
9674 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9676 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
9678 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
9680 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
9682 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9684 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
9685 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
9687 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
9689 * i386/i386.c (asm_output_function_prefix): Likewise.
9691 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
9693 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9695 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
9697 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
9698 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
9699 ASM_OUTPUT_SECTION_NAME): Likewise.
9701 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
9703 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
9705 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
9707 * m32r/m32r.c (m32r_encode_section_info): Likewise.
9709 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9711 * mcore/mcore.c (mcore_encode_section_info): Likewise.
9713 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9715 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9717 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9719 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
9721 * mips/mips.md (movdi, movsi): Likewise.
9723 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9725 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9727 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9729 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
9730 ASM_OUTPUT_ASCII): Likewise.
9732 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
9733 output_mi_thunk, output_toc): Likewise.
9735 * rs6000/rs6000.md (movsi): Likewise.
9737 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
9739 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
9741 * v850/v850.c (print_operand, print_operand_address,
9742 v850_encode_data_area): Likewise.
9744 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
9746 * config/mips/mips.md (zero_extendsidi2): Always force operand
9747 one to memory for mips16.
9749 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9751 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
9752 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
9753 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
9754 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
9755 (min_precision): Result is unsigned.
9756 (add_double, neg_double, mul_double): Low word is unsigned.
9757 (lshift_double, rshift_double, lrotate_double): Likewise.
9758 (rrotate_double, div_and_round_double): Likewise.
9759 (tree_floor_log2, compare_tree_int): New functions.
9760 (preserve_rtl_expr_temps): New declaration.
9761 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
9762 (decl_attributes): Use tree_log2 to find alignment.
9763 Check for TREE_INT_CST_HIGH for format args.
9764 (min_precision): Now unsigned.
9765 Use tree_floor_log2.
9766 (truthvalue_conversion): Delete long-disabled code.
9767 * c-decl.c (finish_struct): Clean up tests on field width.
9768 (finish_function): Use compare_tree_int.
9769 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
9770 * c-typeck.c (comptypes): Use tree_int_cst_equal.
9771 (default_conversion, digest_init): Use compare_tree_int.
9772 (build_binary_op): Use integer_all_onesp and compare_tree_int.
9773 Fix type errors in forming masks.
9774 * calls.c (initialize_argument_information): Use compare_tree_int.
9775 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
9776 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
9777 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
9778 (store_field): Use compare_tree_int.
9779 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
9780 (expand_expr, case ARRAY_REF): Use compare_tree_int.
9781 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
9782 (do_store_flag): Use compare_tree_int.
9783 * fold-const.c (encode, decode): Low part is always unsigned.
9784 (force_fit_type, add_double, neg_double, mul_double): Likewise.
9785 (lshift_double, rshift_double, lrotate_double): Likewise.
9786 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
9787 (fold_convert): Use compare_tree_int.
9788 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
9789 (invert_truthvalue, case INTEGER_CST): Likewise.
9790 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
9791 * mkdeps.c (deps_dummy_targets): Make I unsigned.
9792 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
9793 (lshift_double, rshift_double, lrotate_double, rrotate_double):
9795 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
9796 (expand_end_case): Use compare_tree_int.
9797 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
9798 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
9799 (layout_decl): Likewise.
9800 (layout_record, layout_union): Make sizes unsigned.
9801 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
9802 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
9803 * tree.c (struct type_hash): hashcode is unsigned.
9804 (build_type_attribute_variant, type_hash_list): Likewise.
9805 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
9806 (attribute_hash_list, build_array_type, build_method_type): Likewise.
9807 (build_complex_type): Likewise.
9808 (real_value_from_int_cst): Remove unneeded casts.
9809 (integer_all_onesp): Add casts.
9810 (tree_floor_log2, compare_tree_int): New functions.
9811 (build_index_type): Use tree_int_cst_sgn.
9812 * varasm.c (assemble_variable): Use compare_tree_int.
9814 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
9816 * cpphash.c (collect_expansion): Also catch ## at start of macro.
9818 * varasm.c (make_decl_rtl): Don't add a number to members of
9820 (make_function_rtl): Likewise.
9822 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9824 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
9825 patch from 2000-01-28.
9827 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
9829 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
9830 filled with an insn from the jump target.
9832 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9834 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
9835 (c4x_external_ref): Likewise.
9836 * config/c4x/c4x.c (struct name_list): Likewise.
9838 1999-12-16 Ben Collins <bcollins@debian.org>
9840 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
9841 argument to genmultilib.
9842 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
9843 the contents into the multilib.h header.
9844 * gcc.c: Declare multilib_exclusions for the specs file.
9845 (set_multilib_dir): Use it.
9846 (print_multilib_info): Likewise.
9847 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
9848 to pass to genmultilib.
9850 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9852 * builtins.c (built_in_class_names, built_in_names): Constify a
9855 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
9857 (_mcleanup): Ensure value matches format specifier in sprintf.
9859 * cpphash.c (special_symbol): Don't needlessly cast away
9862 * cppinit.c (base_name): Delete unused prototype.
9864 * mkdeps.c (deps_init): Make definition K&R safe.
9866 * tree.h (built_in_class_names, built_in_names): Constify a
9869 2000-03-06 Jakub Jelinek <jakub@redhat.com>
9871 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
9872 floating point instructions for epilogue delay.
9874 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
9875 to gas if it supports .register pseudo.
9877 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
9878 LONG_DOUBLE_TYPE_SIZE if not defined.
9879 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
9880 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
9882 * gengenrtl.c: Likewise.
9883 * print-rtl.c: Likewise.
9885 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
9886 MASK_LONG_DOUBLE_128.
9887 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
9888 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
9889 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
9890 (SUBTARGET_SWITCHES): Define.
9891 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
9892 with -mlong-double-128.
9893 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
9894 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
9895 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
9896 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
9897 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
9898 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
9899 with -mlong-double-128.
9900 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
9901 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
9902 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
9903 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
9904 TARGET_LONG_DOUBLE_128): Define.
9905 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
9906 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
9907 long double on TARGET_ARCH64.
9909 2000-03-06 Mark Mitchell <mark@codesourcery.com>
9911 * function.c (free_temps_for_rtl_expr): Don't free slots
9912 that have been pushed into a higher level.
9915 2000-03-05 Mark Mitchell <mark@codesourcery.com>
9917 2000-03-05 Mark Mitchell <mark@codesourcery.com>
9919 * basic-block.h (ALLOCA_REG_SET): Remove.
9920 (INITIALIZE_REG_SET): New macro.
9921 * flow.c (update_life_info): Use it.
9922 (calculate_global_regs_live): Likewise.
9923 (propagate_block): Likewise.
9924 * global.c (build_insn_chain): Likewise.
9925 * haifa-sched.c (schedule_region): Likewise.
9927 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
9929 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
9930 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
9931 (DWARF_ARANGES_PAD_SIZE): New define.
9932 (output_aranges): Use it to pad the address range header.
9933 (DWARF_ROUND): Fix for non power of 2 rounding.
9935 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
9937 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
9939 2000-03-05 Mark Mitchell <mark@codesourcery.com>
9941 * tree.def (RTL_EXPR): Update documentation.
9942 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
9943 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
9944 * function.c (preserve_rtl_expr_temp): New function.
9945 (preserve_rtl_expr_temps): Likewise.
9946 (preserve_rtl_expr_result): Use it.
9949 2000-03-04 Mark Mitchell <mark@codesourcery.com>
9951 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
9953 * regmove.c (copy_src_to_dest) Do not create src->dest move
9954 for unchanging destination.
9956 2000-03-04 Mark Mitchell <mark@codesourcery.com>
9958 * function.h (struct sequence_stack): Remove rtl_expr.
9959 (struct emit_staus): Likewise.
9960 (seq_rtl_expr): Remove.
9961 * tree.h (free_temps_for_rtl_expr): Don't declare.
9962 (start_sequence_for_rtl_expr): Likewise.
9963 * rtl.h (preserve_rtl_expr_result): Likewise.
9964 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
9965 (start_sequence_for_rtl_expr): Remove.
9966 (push_topmost_sequence): Don't save sequence_rtl_expr.
9967 (pop_topmost_sequence): Remove comment about not restoring it.
9968 (end_sequence): Don't set seq_rtl_expr.
9969 (init_emit): Don't initialize it.
9970 (mark_sequence_stack): Don't mark it.
9971 (mark_emit_status): Likewise.
9972 * except.c (protect_with_terminate): Use
9973 start_sequence_for_rtl_expr, not start_sequence.
9974 * expr.c (expand_expr, case RTL_EXPR): Don't call
9975 preserve_rtl_expr_result or free_temps_for_rtl_expr.
9976 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
9977 (preserve_rtl_expr_result): Remove.
9978 (free_temps_for_rtl_expr): Likewise.
9979 (pop_temp_slots): Likewise.
9980 (mark_temp_slot): Don't mark the rtl_expr.
9981 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
9982 start_sequence_for_rtl_expr.
9984 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
9986 * mkdeps.c, mkdeps.h: New files.
9987 * po/POTFILES.in: Add them.
9988 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
9989 (cpplib.o, cppinit.o): Depend on mkdeps.h.
9990 (mkdeps.o): New target.
9992 * cppfiles.c: Delete deps_output.
9993 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
9994 OBJECT_SUFFIX, and base_name.
9995 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
9997 (initialize_dependency_output): Use deps_init,
9998 deps_add_target, deps_calc_target, and deps_add_dep. Remove
9999 all the unnecessary string bashing.
10000 (cpp_finish): Use deps_write. Remove an unnecessary nesting
10002 * cpplib.c (do_include): Use deps_add_dep.
10003 * cpplib.h (struct cpp_reader): Replace deps_buffer,
10004 deps_allocated_size, deps_size, deps_column members with
10005 single pointer to a struct deps. Delete prototype of
10008 * cppinit.c: Fix thinko in previous patch.
10010 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10012 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
10013 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
10014 (mode_for_size_tree): New function.
10015 (layout_decl, layout_type): Call it and clean up BLKmode checks.
10016 * tree.h (mode_for_size_tree): New declaration.
10018 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
10020 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
10022 * stmt.c (is_body_block): Move...
10023 * dwarfout.c, dwarf2out.c: ...from here.
10024 * tree.h: Declare it.
10025 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
10026 * final.c (final_start_function): Do call remove_unnecessary_notes
10029 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
10031 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
10033 * cpplib.h (_dollar_ok): New macro.
10034 (is_idchar, is_idstart): Use it.
10035 (IStable): Rename to _cpp_IStable. Declare it const if
10036 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
10037 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
10038 is_space): Update for renamed IStable.
10040 * cppinit.c: Delete all references to FAKE_CONST and CAT
10041 macros. Define init_IStable as empty macro if gcc >=2.7 or
10042 C99. Change TABLE() to ISTABLE and hardcode name of table.
10043 (cpp_start_read): Don't change the IStable based on
10046 * cpphash.c (unsafe_chars): Add pfile argument. All callers
10047 changed. Handle '$' for char1 correctly.
10048 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
10050 * cppexp.c (tokentab2): Make const.
10051 (cpp_lex): Make toktab const.
10052 * cppinit.c (include_defaults_array): Make const.
10053 (initialize_standard_includes): Make default_include const.
10055 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
10057 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
10058 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
10059 (gen_decl_die): Likewise.
10060 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
10061 (output_decl): Likewise.
10063 * varasm.c (make_function_rtl): If we change the name used in the
10064 rtl, update DECL_ASSEMBLER_NAME accordingly.
10065 (make_decl_rtl): Likewise.
10067 * toplev.c (rest_of_compilation): Tweak formatting.
10069 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
10070 remove_unnecessary_notes.
10071 (debug_ignore_block): New fn.
10072 * toplev.h: Declare it.
10073 * emit-rtl.c (remove_unncessary_notes): Call it.
10074 * dwarf2out.c (dwarf2out_ignore_block): New fn.
10075 * dwarf2out.h: Declare it.
10076 * final.c (final_start_function): Don't call remove_unnecessary_notes
10077 if we did insn scheduling.
10079 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
10081 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
10082 * cpplib.h: Delete SET_CPP_PEDANTIC.
10084 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10086 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
10087 result is a RECORD_TYPE.
10089 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
10091 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
10093 2000-03-03 Richard Henderson <rth@cygnus.com>
10095 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
10096 addition over compliments over shifts.
10098 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10100 * reload1.c (reload_combine_note_use): Handle return register USEs.
10101 REG case: Handle multi-hard-register hard regs.
10103 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10105 * md.texi: Document use of '*' in insn pattern name.
10107 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
10109 * calls.c (special_function_p): operator new may not be malloc-like.
10111 * gcse.c (dump_hash_table): Really fix error in last change.
10113 2000-03-02 Denis Chertykov <denisc@overta.ru>
10115 * avr.c (print_operand): Use print_operand_address instead of
10117 * avr/libgcc.S: Cleanup code.
10119 2000-03-02 Richard Henderson <rth@cygnus.com>
10121 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
10123 2000-03-02 Mark Mitchell <mark@codesourcery.com>
10125 * tree.h (TYPE_ALIGN_UNIT): New macro.
10127 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
10129 * i386.c: (constant_call_address_operand): Reject CONST_INT.
10131 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
10133 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
10135 (SET_CPP_PEDANTIC): New macro.
10136 * cpplib.c (do_include): Don't bother checking system_header_p.
10137 (do_warning, do_ident, do_assert, do_unassert): Likewise.
10138 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
10140 * function.h (struct expr_status): Add x_arg_space_so_far.
10141 (arg_space_so_far): New macro.
10142 * expr.c (init_expr): Initialize it.
10143 * calls.c (emit_call_1): Reset it.
10144 (compute_argument_block_size, expand_call): Use it.
10145 (expand_call, store_one_arg): Increment it.
10147 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10149 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
10152 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
10154 * cppfiles.c (cpp_read_file): New function.
10156 * cpphash.c (collect_expansion): Make sure to reset last_token
10157 to NORM when we hit a string. Handle trailing whitespace
10158 properly when the expansion is empty.
10159 (create_definition): Disable line commands while parsing the
10161 (dump_definition): If pfile->lineno == 0, output a line
10162 command ahead of the dump, and add a trailing newline.
10164 * cppinit.c (append_include_chain): Add fifth argument, which
10165 indicates whether or not system headers are C++ aware.
10166 (initialize_standard_includes): New function,
10167 broken out of read_and_prescan. Pass 'cxx_aware' value from
10168 the include_defaults_array on to append_include_chain.
10169 (dump_special_to_buffer): Const-ify char array.
10170 (builtin_array): Don't dump __BASE_FILE__.
10171 (cpp_start_read): Use cpp_read_file. Reorder code for
10172 clarity. Don't output line commands here for -D/-A/-U
10173 switches. Don't call deps_output for files included with
10174 -include or -imacros.
10176 * cpplib.c (do_define): Don't pay any attention to the second
10178 (cpp_expand_to_buffer): Disable line commands while scanning.
10179 (output_line_command): Work in the file buffer.
10180 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
10181 Fix formatting of comments. Prototype cpp_read_file.
10183 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10185 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
10186 reference the language-equivalent of sizetype.
10187 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
10188 * fold-const.c (size_binop, size_diffop): Put back checks.
10189 * gcse.c (dump_hash_table): Fix minor error in last change.
10190 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
10191 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
10194 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
10196 * calls.c (expand_call) Do not attempt to combine stack adjustments
10197 with inhibit_defer_pop set.
10199 2000-03-01 Mark Mitchell <mark@codesourcery.com>
10201 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
10202 the DECL_SIZE for a FIELD_DECL.
10204 2000-03-01 Bruce Korb <bkorb@gnu.org>
10206 * fixinc/inclhack.tpl: remove unused symlinks
10207 * fixinc/README: GCC Maintainer info
10208 * fixinc/inclhack.sh: regen
10209 * fixinc/fixincl.sh: regen
10211 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
10213 * cpphash.c (collect_expansion): Trim trailing white space
10214 from macro definitions, but don't go past the last insertion
10217 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
10219 * i386.md (mulqi3): New pattern.
10221 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
10223 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
10225 (struct cpp_reader): Add parsing_if_directive and
10226 parsing_define_directive flags.
10227 (struct cpp_options): Remove output_conditionals flag.
10228 (check_macro_name): Delete prototype.
10230 * cpphash.h (struct macrodef): Delete.
10231 (struct reflist): Separate from struct definition.
10232 (struct definition): Remove unused fields. Add column number.
10233 (create_definition): Returns a DEFINITION *. Takes a
10234 cpp_reader * and an int.
10236 * cpphash.c (SKIP_WHITE_SPACE): Delete.
10237 (PEEKC): Copy defn from cpplib.c.
10238 (rest_extension, REST_EXTENSION_LENGTH): Delete.
10240 (struct arglist): Simplify.
10241 (collect_expansion): Rewrite. Get tokens by calling
10242 cpp_get_token. Add more error checking.
10243 (collect_formal_parameters): New function, broken out of
10244 create_definition and reworked to use get_directive_token.
10245 (create_definition): All real work is now in collect_expansion
10246 and collect_formal_parameters. do_define handles finding the
10247 macro name. Return a DEFINITION, not a MACRODEF.
10248 (macroexpand): Replace bcopy with memcpy throughout. Replace
10249 character-at-a-time copy loop with memcpy and pointer increments.
10250 (compare-defs): d1->argnames / d2->argnames might be null.
10252 * cpplib.c (copy_rest_of_line): Delete function.
10253 (skip_rest_of_line): Do all the work ourselves.
10254 (skip_string): New function.
10255 (parse_string): Use skip_string.
10256 (get_macro_name): New function.
10257 (check_macro_name): Delete.
10258 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
10259 (cpp_skip_hspace): Use CPP_BUMP_LINE.
10260 (handle_directive): ICE if we're called on a macro buffer.
10261 (do_define): Determine macro name and type (funlike/objlike)
10262 here. Expunge all uses of MACRODEF.
10263 (cpp_push_buffer): Set line_base to NULL.
10264 (do_undef, read_line_number): Don't worry about getting a POP token.
10265 (eval_if_expression): Set/reset parsing_if_directive around
10266 cpp_parse_expr. Don't clear only_seen_white.
10267 (skip_if_group): Remove output_conditionals logic. Use
10269 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
10270 tokens under appropriate conditions.
10271 (cpp_unassert): Call do_unassert not do_assert. Oops.
10273 * cppexp.c (parse_defined): New function, break out of
10275 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
10276 ourselves, with cpp_defined.
10277 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
10279 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
10280 * gcc.dg/strpaste-2.c: New.
10282 2000-02-29 Mark Mitchell <mark@codesourcery.com>
10284 * fold-const.c (size_binop): Don't asert inputs are the same and
10285 have TYPE_IS_SIZETYPE set.
10286 (size_diffop): Likewise.
10288 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
10290 * dwarfout.c (output_block): Output abstract blocks even if they
10291 don't have TREE_ASM_WRITTEN set.
10293 * calls.c (emit_library_call): Check for null REG.
10295 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
10297 * c-decl.c (current_function_decl): Move to toplev.c.
10298 (init_decl_processing): Don't add current_function_decl as a ggc
10300 * dbxout.c (dbxout_symbol): Change return type to int.
10301 (dbxout_symbol_location, dbxout_syms): Likewise.
10302 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
10303 any locals. Use current_function_func_begin_label if set.
10304 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
10305 * dwarf2out.c (dwarf2out_begin_prologue): Set
10306 current_function_func_begin_label.
10307 * final.c (final_start_function): Reset it.
10308 * toplev.c (current_function_decl): Define it here.
10309 (current_function_func_begin_label): New variable.
10310 (main): Add both as ggc roots.
10311 * tree.h (current_function_func_begin_label): Declare.
10313 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10315 * gcse.c: Cleanups throughout: mostly white-space, but also
10316 some minor rearrangement of code.
10318 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
10320 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
10321 returns a PARALLEL. Use emit_group_load and use_group_regs
10323 (emit_library_call_value): Similarly.
10325 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
10326 * pa/quadlib.asm: Remove.
10327 * pa/quadlib.c: New file.
10329 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
10330 * configure: Rebuilt.
10332 2000-02-29 Philip Blundell <pb@futuretv.com>
10334 * config/arm/conix-elf.h: New file.
10335 * configure.in (arm*-*-conix*): New configuration.
10336 * configure: Regenerate.
10338 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
10340 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
10341 don't have TREE_ASM_WRITTEN set.
10343 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10345 * Eliminate DECL_FIELD_SIZE.
10346 * builtins.c (built_in_class_names, built_in_names): New variables.
10347 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
10348 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
10349 DECL_SIZE, not DECL_FIELD_SIZE.
10350 * print-tree.c (print_node): Remove code that prints extra blank
10351 lines in some cases.
10352 Properly handle inline and builtin function cases.
10353 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
10354 * tree.h (built_in_class_named, built_in_names): New declarations.
10355 (union tree_decl): Rename internal unions to u1 and u2 and change
10356 some of their components.
10357 Add new field built_in_class.
10358 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
10359 Reflect above changes.
10360 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
10361 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
10362 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
10363 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
10365 2000-02-28 Dmitri Makarov <dim@windriver.com>
10367 * extend.texi: Document ARM's support for long/short calls.
10369 * invoke.texi: Document ARM's -mlong-calls command line switch.
10371 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
10372 (arm_encode_call_attribute): Add prototype.
10373 (arm_set_default_type_attribute): Add prototype.
10374 (arm_strip_name_encoding): Add prototype.
10376 * config/arm/arm.c (arm_init_cumulative_args): replace
10377 initialisation og 'long_calls' field with initialisation of
10378 'call_cookie' field.
10379 (enum arm_pragma_enum): New enum.
10380 (arm_pragma_long_calls): New static variable.
10381 (arm_process_pragma): Also process "#pragma long_calls_off".
10382 (arm_valid_type_attribute_p): Accept short_call attribute.
10383 (arm_comp_type_attributes): Check long/short call attributes.
10384 (arm_encode_call_attribute): New function: Encode long_call
10385 or short_call attribute in function name.
10386 (arm_set_default_type_attributes): New function: Assign
10387 default attributes to newly defined type.
10388 (current_file_function_operand): New function: Return true if
10389 the symbol is a function which has already been compiled.
10390 (arm_is_longcall_p): New function: Return true if the
10391 indicated function should be called via a long call.
10392 (arm_get_strip_length): New function. Returns number of
10393 prefix characters to be stripped from a function's name.
10394 (arm_strip_name_encoding): New function. Strip prefix characters
10395 from a function's name.
10397 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
10398 with 'call_cookie'.
10399 (SHORT_CALL_FAG_CHAR): Define.
10400 (LONG_CALL_FAG_CHAR): Define.
10401 (ENCODED_SHORT_CALL_ATTR_P): Define.
10402 (ENCODED_LONG_CALL_ATTR_P): Define.
10403 (ARM_NAME_ENCODING_LENGTHS): Define.
10404 (STRIP_NAME_ENCODING): Define.
10405 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
10406 (ARM_ENCODE_CALL_TYPE): Define.
10407 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
10408 (ARM_DECLARE_FUNCTION_SIZE): Define.
10409 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
10411 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
10412 if a long call is needed.
10413 (call_value): Ditto.
10414 (call_symbol): Ditto.
10416 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
10417 ARM_DECLARE_FUNCTION_SIZE.
10419 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
10420 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
10421 (ARM_STRIP_NAME_ENCODING): Undefine.
10422 (STRIP_NAME_ENCODING): Undefine.
10423 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
10424 (ASM_DECLARE_FUNCTION_NAME): Ditto.
10425 (ASM_OUTPUT_COMMON): Ditto.
10426 (ASM_DECLARE_OBJECT_NAME): Ditto.
10428 * config/arm/pe.c (arm_dllexport_name_p): Check for
10430 (arm_dllimport_name_p): Ditto.
10431 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
10432 (arm_mark_dllimport): Ditto.
10434 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10436 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
10438 2000-02-28 Mark Mitchell <mark@codesourcery.com>
10440 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
10442 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
10444 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
10445 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
10446 NO_BUILTIN_WCHAR_TYPE is not defined.
10447 (CPP_WCHAR_TYPE): Delete.
10448 * cccp.c (main): Don't change wchar_type if cplusplus.
10449 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
10451 2000-02-28 Nick Clifton <nickc@cygnus.com>
10453 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
10455 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
10457 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
10458 (ASM_WEAKEN_LABEL): Define.
10460 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
10462 * expr.c (store_constructor): Do not emit USE.
10463 * rtl.h (stupid_life_analysis): Remove.
10465 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10467 * function.c (number_blocks): Reset next_block_index based on
10468 what debugging format is used, not what is defined.
10470 * lcm.c: Minor reformatting throughout.
10471 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
10473 * toplev.c (rest_of_compilation): Account for time in
10474 optimize_mode_switching.
10476 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
10477 if only marking labels.
10479 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
10481 * calls.c (expand_call): Attempt to combine stack adjustments with
10482 pending stack adjustments.
10484 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10486 * loop.c (reg_in_basic_block_p): Don't abort when falling through
10487 to the end of the function.
10489 2000-02-27 Mark Mitchell <mark@codesourcery.com>
10491 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
10493 * final.c (next_block_index): Remove.
10494 (max_block_depth): Likewise.
10495 (pending_blocks): Likewise.
10496 (init_final): Don't initialize them.
10497 (final_start_function): Don't set next_block_index. Set up
10499 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
10500 * function.h (number_blocks): New function.
10501 * function.c (get_block_vector): New function.
10502 (identify_blocks): Use it.
10503 (reorder_blocks): Set NOTE_BLOCK.
10504 (number_blocks): New function.
10505 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
10506 * tree.h (BLOCK_NUMBER): New macro.
10507 (tree_block): Add block_num field.
10508 * dbxout.c (next_block_number): Remove.
10509 (dbxout_init): Don't set it.
10510 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
10511 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
10513 * toplev.c (rest_of_compilation): Always call
10514 find_loop_tree_blocks. Fix indentation.
10515 * dwarf2out.c (next_block_number): Remove.
10516 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
10517 to determine block numbers.
10518 (gen_inlined_subroutine_die): Likewise.
10519 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
10520 (decls_for_scope): Don't increment next_block_number.
10521 * dwarfout.c (next_block_number): Remove.
10522 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
10523 to determine block numbers.
10524 (output_inlined_subroutine_die): Likewise.
10525 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
10526 (output_decls_for_scope): Don't increment next_block_number.
10527 * sdbout.c (next_block_number): Remove.
10528 (sdbout_block): Use BLOCK_NUMBER.
10529 (sdbout_begin_block): Simplify.
10530 * xcoffout.c (next_block_number): Remove.
10531 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
10532 (xcoffout_begin_block): Don't set next_block_number.
10533 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
10536 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10538 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
10539 (expand_builtin_strcpy): Pass correct type to size_binop.
10540 (expand_builtin_strcmp): Likewise.
10541 Clean up conditional structure.
10542 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
10543 (complete_array_type): Don't use size_binop for MAXINDEX.
10544 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
10545 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
10546 (c_alignof): Use size_one_node.
10547 (build_unary_op): Pass arg of proper type to size_binop.
10548 (really_start_incremental_init, push_init_level): Use sizetype for
10549 constructor{,_bit,_unfilled}_index.
10550 (pop_init_label, output_init_element): Likewise.
10551 (output_pending_init_elements, process_init_element): Likewise.
10552 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
10553 * expr.c (store_expr): Use size_int.
10554 (store_constructor): Use proper types for size_binop args.
10555 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
10556 (expand_expr_unaligned): Likewise.
10557 (string_contant): Return object of sizetype.
10558 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
10559 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
10560 (ARGS_SIZE_TREE): Pass proper types to size_binop.
10561 * fold-const.c (int_const_binop): Refine when size_int is called.
10562 (fold_convert): Likewise.
10563 (size_int_wide): Rework to take KIND as arg, only take low order
10564 bits, handle new sizetype_tab datatype, and chain entries in
10566 (size_int_type_wide): New function.
10567 (size_binop): Validate types of arguments.
10568 (ssize_binop): Deleted.
10569 (size_diffop): New function.
10570 (extract_muldiv): Only fold division into multiplication for sizetypes.
10571 * function.c (assign_parms): Use size_diffop and make sure
10572 VAR field is of ssizetype; also pass proper type to size_binop.
10573 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
10574 (round_down): Deleted from here.
10575 * store-layout.c (sizetype_tab): Now an array.
10576 (sizetype_set, early_root_list): New variables.
10577 (variable_size): Use size_one_node.
10578 (round_up): Pass proper type to size_binop.
10579 (round_down): Moved to here and corrected as above.
10580 (layout_record): Pass proper arg types to size_binop.
10581 (layout_type): Likewise.
10582 If sizetype_set is zero, record the type just laid out.
10583 (make_unsigned_type): Don't call set_sizetype;
10584 (make_signed_type): Likewise; also, call fixup_signed_type.
10585 (initialize_sizetypes): New function.
10586 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
10587 set name of bitsizetype to "bit_size_type".
10588 Fix up type of sizes of all types made before call.
10589 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
10590 * tree.c (fix_sizetype): Deleted.
10591 (build_common_tree_nodes): Call initialize_sizetypes.
10592 (build_common_tree_nodes_2): Don't call fix_sizetype.
10593 * tree.h (TYPE_IS_SIZETYPE): New macro.
10594 (initialize_sizetype): New declaration.
10595 (enum size_type_kind): New type.
10596 (struct sizetype_tab): Deleted.
10597 (sizetype_tab): Now array; adjust sizetype macros.
10598 (size_diffop, size_int_type_wide): New functions.
10599 (size_int_wide): Change number of args and type; access macros changed.
10600 (ssize_int, sbitsize_int): New macros.
10601 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
10602 (ROUND_TYPE_SIZE_UNIT): New macro.
10604 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
10606 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
10608 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10610 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
10611 Mark as possibly unused.
10613 * cse.c (cse_insn): Delete dead code involving tablejump.
10614 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
10616 * Makefile.in (libcpp.a): Start by deleting it.
10618 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10620 * cpplib.h (enum file_change_code): Added rename_file.
10621 * cpplib.c (do_line): If a filename is given, set file_change to
10623 (output_line_command): If file_change is rename_file, always
10624 output a # directive with the file name.
10626 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
10628 2000-02-26 Mark Mitchell <mark@codesourcery.com>
10630 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
10631 when copying a PARM_DECL or RESULT_DECL.
10633 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10635 * fix-header.c (recognized_function): Also fix prototypes for
10636 functions taking "void".
10638 2000-02-26 Geoff Keating <geoffk@cygnus.com>
10640 * reload1.c (do_output_reload): Check reg_reloaded_valid before
10641 looking at reg_reloaded_contents.
10643 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
10645 * Makefile.in (STMP_FIXINC): New toggle.
10646 (LIBGCC2_DEPS): Delete all references.
10647 (stmp-headers): Delete target. All references either deleted
10648 or changed to stmp-int-headers.
10649 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
10650 (LIBCPP_OBJS): Take out cppalloc.o.
10651 (cppalloc.o): Delete target.
10652 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
10653 (gen-protos, fix-header): Link with libiberty.a.
10654 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
10657 * configure.in: Remove refs to strerror.
10658 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
10659 * system.h: Take out strerror stanza.
10661 * cpperror.c (my_strerror): Delete function.
10662 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
10663 * cppmain.c (main): Call xmalloc_set_program_name first thing.
10664 * cppalloc.c: Delete file.
10665 * gen-protos.c: Don't provide xrealloc.
10667 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
10668 xstrerror throughout.
10670 2000-02-26 Bruce Korb <bkorb@gnu.org>
10672 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
10673 match for DOS headers, too.
10674 * fixinc/inclhack.sh,fixincl.x: Regenerate.
10676 2000-02-26 Geoff Keating <geoffk@cygnus.com>
10678 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
10679 is right for most ELF targets.
10680 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
10681 Let the default file use %U properly.
10682 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
10685 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
10688 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10690 * toplev.c (documented_lang_options): Correct spelling error.
10691 (decode_d_option, decode_f_option, main): Likewise.
10693 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
10695 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
10696 to tell assembler it is permitted to expand large constants.
10698 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
10700 * protoize.c: (AUX_INFO_SUFFIX): New macro.
10701 (aux_info_suffix): Use.
10702 (SAVE_SUFFIX): New macro.
10703 (save_suffix): Use.
10704 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
10705 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
10706 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
10708 * invoke.texi (Running Protoize): Update documentation.
10710 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
10712 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
10714 2000-02-25 John Wehle (john@feith.com)
10716 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
10718 2000-02-25 Anthony Green <green@cygnus.com>
10720 * toplev.c (rest_of_compilation): Rebuild jump labels if
10721 combine_instructions has created a new direct jump.
10722 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
10724 (combine_instructions): Call try_combine with new argument.
10725 Return non-null value when new direct jump instruction is created.
10726 * rtl.h: combine_instructions returns an int.
10728 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
10730 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
10731 jump when changing a computed jump into a jump to a known
10734 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
10736 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
10737 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
10739 * i386.md (define_expand "clrstrsi"): Fix typo.
10741 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
10743 * rtl.texi: Fix typo.
10745 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10747 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
10748 UNITS_PER_WORD. Change caller initial_elimination_offset.
10749 (rounded_frame_size): Take into account that argument pushed has
10750 changed. Fix TARGET_ALIGN_DOUBLE problem.
10752 2000-02-25 Geoff Keating <geoffk@cygnus.com>
10754 * haifa-sched.c (schedule_block): Explain the real reason
10755 we delete REG_SAVE_NOTEs on the first insn of a block.
10756 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
10758 2000-02-24 Mark Mitchell <mark@codesourcery.com>
10760 * input.h (push_srcloc): New function.
10761 (pop_srcloc): Likewise.
10762 * toplev.c (push_srcloc): Define it.
10763 (pop_srcloc): Likewise.
10765 2000-02-24 Richard Henderson <rth@cygnus.com>
10767 * flow.c (life_analysis): When collecting reg info, clear
10770 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10772 Fix bug exposed by reload.c no longer rounding the frame
10773 size to BIGGEST_ALIGNMENT:
10774 * sh.c (rounded_frame_size): New function.
10775 (sh_expand_prologue, sh_expand_epilogue): Use it.
10776 (initial_elimination_offset): Likewise.
10778 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10780 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
10781 * sh-protos.h (sh_need_epilogue): Declare.
10782 * sh.c (sh_need_epilogue_known): New static variable.
10783 (sh_need_epilogue): New function.
10784 (function_epilogue): Clear need_epilogue_known.
10785 * sh.md (return): Split into expander / insn pattern.
10786 Make the expander conditional on ! sh_need_epilogue ().
10788 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
10790 * machmode.h (get_mode_alignment): Declare.
10791 (GET_MODE_ALIGNMENT): Call it.
10792 * stor-layout.c (get_mode_alignment): New function. Make
10793 sure alignment is always power of 2.
10795 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
10797 * i386.h: Remove useless definition of "I386" and misleading
10800 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
10802 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
10803 under which TREE_PERMANENT will be set.
10804 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
10805 build1): Use TREE_SET_PERMANENT.
10806 * print-tree.c (print_node): Don't report value of
10807 TREE_PERMANENT if ggc_p is true.
10809 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
10810 decide whether to give a type a new alias set.
10811 * objc/objc-act.c (build_objc_string_object): Never copy the string.
10812 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
10813 of value of 'obstack'.
10816 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10818 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
10820 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10822 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
10823 * cpplib.c (cpp_get_token): Produce them.
10824 * cppexp.c (cpp_lex): Handle them.
10826 2000-02-23 Nick Clifton <nickc@cygnus.com>
10828 * config/arm/arm.c (arm_comp_type_attributes): Simply and
10829 comment tests on type attributes.
10831 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10833 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
10834 conform to documentation.
10835 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
10836 to check for special cases.
10837 * sh-protos.h (sh_loop_align): Declare.
10838 * sh.c (sh_loop_align): Define.
10840 2000-02-22 Andrew Haley <aph@cygnus.com>
10842 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
10843 (SIZE_TYPE): Is 32 bits when using -mgp32.
10844 (PTRDIFF_TYPE): Ditto.
10846 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10848 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
10850 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
10852 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
10853 BIGGEST_FIELD_ALIGNMENT a constant.
10855 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
10857 * dwarf2out.c (output_line_info): Put the marker for the end of
10858 the line number info at the actual end.
10859 (gen_struct_or_union_type_die): Use decl_function_context
10860 to check for local classes.
10861 * dwarfout.c (output_type): Likewise.
10863 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
10865 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
10866 for arguments with a mode, but no type.
10867 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
10868 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
10869 * pa/long_double.h: New file.
10870 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
10871 both have 128bit wide long doubles.
10872 * configure: Rebuilt.
10874 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10876 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
10878 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
10879 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
10880 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
10882 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
10884 * integrate.c (compare_blocks, find_block): Likewise.
10886 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
10888 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
10890 * stmt.c (stmt_status, set_file_and_line_for_stmt,
10891 expand_asm_operands): Likewise.
10893 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
10895 * predict.c (estimate_probability): Added the pointer heuristic to
10896 the collection of static branch predictors.
10898 2000-02-21 Catherine Moore <clm@cygnus.com>
10900 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
10901 * invoke.texi (-mfix7000): Document.
10903 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
10905 * diagnostic.c (init_output_buffer): Make it possible to output at
10906 least 32 characters if we're given a too long prefix.
10908 2000-02-20 Mark Mitchell <mark@codesourcery.com>
10910 * varasm.c (initializer_constant_valid_p): Call
10911 lang_expand_constant to simplify the constant.
10913 2000-02-20 Bruce Korb <bkorb@gnu.org>
10915 * fixinc/inclhack.def(stdio_va_list):
10916 typedef needs to be disabled.
10917 * fixinc/inclhack.sh: regen
10918 * fixinc/fixincl.x: regen
10920 2000-02-20 Geoff Keating <geoffk@cygnus.com>
10922 * print-rtl.c (print_rtx): Don't print addresses when
10923 flag_dump_unnumbered.
10925 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10927 * sparc.c (sparc_output_scratch_registers): Mark parameter with
10929 (sparc_va_arg, sparc_flat_output_function_prologue,
10930 sparc_flat_output_function_epilogue): Cast value to unsigned in
10932 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
10934 * sparc.md: Add default case in switch.
10936 2000-02-19 Richard Henderson <rth@cygnus.com>
10938 * c-typeck.c (add_pending_init): Don't abort for multiple
10939 fields at the same offset.
10940 (pending_init_member): Test the correct member.
10942 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10944 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
10946 (start_catch_handler) : Same.
10948 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
10950 * Makefile.in: Have flow.o depend on $(EXPR_H)
10952 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10954 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
10955 * c-decl.c (duplicate_decls, finish_enum): Likewise.
10956 (finish_decl): Remove -Wlarger-than code from here.
10957 * flags.h (id_clash_len): Now int.
10958 (larger_than_size): Now HOST_WIDE_INT.
10959 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
10960 Clean up checking to see if in table.
10961 (make_bit_field_ref): Remove extra parm to bitsize_int.
10962 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
10963 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
10964 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
10965 and for computing size of decl.
10966 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
10967 Move -Wlarger-than code to here.
10968 (layout_record): Remove extra arg to bitsize_int.
10969 Set TYPE_BINFO_SIZE_UNIT.
10970 (layout_union): Remove extra arg to bitsize_int.
10971 Use proper type for size of QUAL_UNION.
10972 (layout_type): Remove extra arg to bitsize_int.
10973 * toplev.c (id_clash_len): Now int.
10974 (larger_than_size): Now HOST_WIDE_INT.
10975 (decode_W_option): Clean up id-clash and larger-than- cases.
10976 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
10977 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
10978 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
10979 (struct tree_decl): New field size_unit.
10980 (size_int_wide): No HIGH operand; NUMBER is now signed.
10981 (size_int_2): Deleted.
10982 (size_int, bitsize_int): Don't use it and rework args.
10983 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
10985 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
10987 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
10989 2000-02-18 Geoff Keating <geoffk@cygnus.com>
10991 * invoke.texi (Warning Options): Add an explanation of why
10992 you might want the -Wfloat-equal flag.
10994 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10996 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
10997 * cppinit.c (new_pending_define): Add cast to avoid warning.
10998 * expmed.c (extract_bit_field): Likewise.
10999 * flow.c (enum reorder_skip_type): New type.
11000 (skip_insns_between_blcok): New it.
11001 Rework to avoid warning about possibly undefined variable.
11002 * function.c (assign_parms): Make thisparm_boundary unsigned.
11003 * genrecog.c (write_switch): Cast XWINT result to int.
11004 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
11005 * mips-tfile.c (init_file): Make two versions of FDR intializer:
11006 one for MIPS and one for Alpha.
11007 (get_tag, copy_object): Add casts to avoid warnings.
11008 * optabs.c (init_one_libfunc): Cast NAME to (char *).
11009 * reload.c (find_reloads): Make TYPE enum reload_type.
11010 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
11011 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
11012 * varasm.c (compare_constant_1): Add cast to avoid warning.
11013 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
11015 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
11016 Cast switch operand of size to int.
11017 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
11018 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
11021 2000-02-18 Nick Clifton <nickc@cygnus.com>
11023 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
11024 anything for an alignment of zero.
11026 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
11027 anything for an alignment of zero.
11029 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
11031 * gcc.texi (Bug Reporting): Refer to bugs.html.
11032 (Bug Lists): Likewise.
11033 * system.h (GCCBUGURL): New preprocessor define.
11034 * rtl.c (fancy_abort): Use it.
11035 * gcc.c (main): Likewise.
11037 2000-02-18 Richard Henderson <rth@cygnus.com>
11039 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
11040 (life_analysis_1): Subsume into ...
11041 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
11042 Use update_life_info for the relaxation.
11043 (update_life_info): Update REG_BASIC_BLOCK for registers live on
11044 entry and regs_live_at_setjmp.
11045 (set_noop_p): Simplify.
11046 (notice_stack_pointer_modification_1): Renamed from s/_1//.
11047 (record_volatile_insns): Split into ...
11048 (delete_noop_moves): ... here,
11049 (notice_stack_pointer_modification): ... here,
11050 (insn_dead_p): ... and here.
11051 (propagate_block): Don't query INSN_VOLATILE.
11052 (mark_used_regs): Mind !PROP_REG_INFO.
11053 * toplev.c (rest_of_compilation): Call mark_constant_function here,
11054 not in life_analysis.
11056 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
11058 * loop.c (canonicalize_condition): New function,
11059 broken out of get_condition.
11060 (get_condition): Use it.
11061 * expr.h (canonicalize_condition): Prototype it.
11063 * tree.h (tree_int_cst_msb): Declare.
11064 * tree.c (tree_int_cst_msb): New function.
11066 2000-02-17 Mark Mitchell <mark@codesourcery.com>
11068 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
11071 * invoke.texi (-fmessage-length=n): Document.
11073 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
11075 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
11077 2000-02-17 Mark Mitchell <mark@codesourcery.com>
11079 * function.c (thread_prologue_and_epilogue_insns): Put a line note
11080 after the prologue.
11082 2000-02-17 Nick Clifton <nickc@cygnus.com>
11084 * config/arm/thumb.c: Replace includes of system headers with
11085 #include "system.h".
11087 2000-02-16 Richard Henderson <rth@cygnus.com>
11089 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
11090 Add crtbeginS.o and crtendS.o.
11091 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
11092 (ENDFILE_SPEC): Use crtendS.o.
11093 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
11095 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
11096 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
11097 shared and present.
11098 (__dso_handle): New variable.
11099 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
11100 bias to __CTOR_END__.
11102 2000-02-16 Richard Henderson <rth@cygnus.com>
11104 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
11106 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
11108 * longlong.h (__clz_tab): Declare as static to match definition.
11110 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
11112 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
11113 (XREF_FILE_NAME): Define.
11115 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
11116 (EH_FRAME_SECTION_ASM_OP): Define.
11117 (IDENT_ASM_OP): Define.
11118 (TEXT_SECTION_ASM_OP): Define.
11119 (CPP_SPEC): Define.
11120 (CTORS_SECTION_ASM_OP): Define.
11121 (CTOR_SECTION_FUNCTION): Use it.
11122 (DTORS_SECTION_ASM_OP): Define.
11123 (DTOR_SECTION_FUNCTION): Use it.
11125 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
11127 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
11130 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
11131 debug_bb_n): New functions.
11132 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
11133 * basic-block.h: Prototype new functions.
11135 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
11137 * configure.in: Add support for avr target.
11138 * configure: Rebuilt.
11140 * invoke.texi: Add AVR invocation docs.
11141 * install.texi: Add information about AVR.
11142 * md.texi: Add AVR constraint letters description.
11143 * extend.texi: Add description for AVR specific attributes.
11145 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
11147 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
11149 2000-02-16 Nick Clifton <nickc@cygnus.com>
11151 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
11152 (make_insn_raw): Move RTL check here.
11154 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11156 * version.c: Include gansidecl.h and version.h.
11158 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
11160 * configure.in (gcc_version): When setting, narrow search to
11161 lines containing `version_string'.
11163 * Makefile.in (mainversion): Likewise.
11164 (GCC_H): New variable.
11165 (gcc.h): Delete target.
11166 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
11167 (version.o): Depend on version.h.
11168 (dbxout.o): Don't depend on gcc.h.
11170 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
11171 Michael Meissner <meissner@cygnus.com>
11173 * md.texi (Simple Constraints): Add item about whitespace.
11174 * genoutput.c (strip_whitespace): New.
11175 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
11176 strip_whitespace for constraints.
11177 Test pointer using NULL, not 0.
11179 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11181 * cpplib.c (do_line): Pedwarn for #line > 32767.
11183 * c-lex.c (readescape): Warn about '\x', but do not reject it.
11185 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
11187 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
11188 to default cpp spec.
11189 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
11190 * cpp.texi: Document __GNUC_PATCHLEVEL__.
11193 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
11196 2000-02-15 Denis Chertykov <denisc@overta.ru>
11198 * configure.in: Add support for avr target.
11200 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11202 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
11203 (sh_addr_diff_vec_mode): Don't declare.
11204 * sh.c (sh_addr_diff_vec_mode): Delete.
11206 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11208 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
11210 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11212 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
11213 (smulsi3_highpart_i): Name.
11214 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
11215 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
11216 (smulsi3_highpart, umulsi3_highpart): Likewise.
11218 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
11219 correctly independent of endianness.
11220 (mulsidi3, umulsidi3): Now define_insn. Hide details that
11221 confuse the optimizers.
11222 (mulsidi3+1, umulsidi3+1): New define_split.
11224 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
11226 * config/sh/sh.md: Guard insn splits against illegal registers.
11227 * config/sh/sh.h: Correct comment about macros.
11229 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11230 Andrew MacLeod <amacleod@cygnus.com>
11232 * Makefile.in (lcm.o): Depend on insn-attr.h.
11233 * basic-block.h (optimize_mode_switching): Declare.
11234 * lcm.c (tm_p.h, insn-attr.h): #include.
11235 (seginfo, bb_info): New structs.
11236 (antic, transp, comp, delete, insert) : New file-scope static variables.
11237 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
11238 (reg_becomes_live, optimize_mode_switching): Likewise.
11239 * tm.texi: Add description of mode switching macros.
11240 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
11242 * sh-protos.h (remove_dead_before_cse): Remove prototype.
11243 (fldi_ok, fpscr_set_from_mem): New prototypes.
11244 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
11245 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
11246 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
11247 (sh_flag_remove_dead_before_cse): Remove declaration.
11248 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
11249 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
11250 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
11251 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
11252 (barrier_align): Allow for JUMP_INSNS containing a parallel.
11253 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
11254 (fldi_ok): New function.
11255 (get_fpscr_rtx): Add fpscr_rtx as GC root.
11256 (emit_sf_insn): Only generate fpu switches when optimize < 1.
11257 (emit_df_insn): Likewise.
11258 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
11259 (sh_flag_remove_dead_before_cse): Delete.
11260 (get_free_reg, fpscr_set_from_mem): New functions.
11261 * sh.md (movdf, movsf): Remove no_new_pseudos code.
11262 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
11264 2000-02-15 Loren Rittle <ljrittle@acm.org>
11266 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
11268 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11270 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
11271 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
11273 * cccp.c: Include version.h and/or don't declare `version_string'.
11274 * collect2.c: Likewise.
11275 * alpha.c: Likewise.
11276 * arm/aof.h: Likewise.
11277 * arm/coff.h: Likewise.
11278 * arm/elf.h: Likewise.
11279 * arm/pe.h: Likewise.
11280 * arm/tcoff.h: Likewise.
11281 * arm/telf.h: Likewise.
11282 * arm/tpe.h: Likewise.
11283 * arm/vxarm.h: Likewise.
11284 * convex/convex.c: Likewise.
11285 * i386/dgux.c: Likewise.
11286 * i386/sun386.h: Likewise.
11287 * m88k/m88k.c: Likewise.
11288 * mcore/mcore-pe.h: Likewise.
11289 * mips/mips.h: Likewise.
11290 * romp/romp.h: Likewise.
11291 * sh/sh.c: Likewise.
11292 * cpphash.c: Likewise.
11293 * cppinit.c: Likewise.
11294 * dwarf2out.c: Likewise.
11295 * dwarfout.c: Likewise.
11298 * mips-tfile.c: Likewise.
11299 * protoize.c: Likewise.
11300 * toplev.c: Likewise.
11301 * tree.h: Likewise.
11303 * version.c (version_string): Constify a char*.
11305 * version.h: New file.
11307 2000-02-14 Nick Clifton <nickc@cygnus.com>
11309 * configure.in: Add mcore-elf and mcore-pe targets.
11310 * configure: Regenerate.
11312 * NEWS: Add note that MCore port has been contributed.
11314 * invoke.texi: Document command line switches for MCore port.
11315 * install.texi: Add MCore to list of supported targets.
11317 2000-02-14 Geoff Keating <geoffk@cygnus.com>
11319 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
11320 then we will need to import the frame handling functions.
11321 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
11322 to import the frames themselves.
11324 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
11325 Jason Eckhardt <jle@cygnus.com>
11327 * basic_block.h: Added prototype for reorder_basic_blocks.
11328 * toplev.c: Changes to add -freorder-blocks and graph dump after
11329 block reordering is done.
11330 * flow.c (reorder_block_def): New structure for use during block
11332 (REORDER_BLOCK_*): New macros to access members of above structure.
11333 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
11334 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
11335 functions for block reordering.
11337 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
11339 * gcc.texi (Passes): Fix typo.
11340 * md.texi (Standard Names): Ditto.
11341 * tm.texi (Storage Layout): Ditto.
11343 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
11345 * cpplib.c (do_define): Only free the old definition if it
11348 2000-02-13 Neil Booth <NeilB@earthling.net>
11350 * cppfiles.c (read_and_prescan): When emitting deferred
11351 newlines, test speccase[] again instead of checking each
11352 possible whitespace character in turn. When we encounter \r,
11353 look behind for \n first, then ahead.
11355 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
11357 * cse.c (cse_altered): New internal flag.
11358 (cse_insn): Set it if we changed an insn.
11359 (cse_main): Clear cse_altered before each basic block.
11360 Only garbage collect if cse_altered is true afterward.
11362 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11364 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
11366 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
11368 * combine.c (simplify_comparison): Fix typo.
11370 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
11372 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
11375 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11377 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
11378 previously inserted node instead of root node. Caller changed.
11380 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11382 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
11384 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11386 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
11387 __dereg_frame_dtor): Add prototype argument.
11389 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
11391 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
11393 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
11395 * gthr-vxworks.h (__gthread_once): Likewise.
11397 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
11399 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
11401 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
11402 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
11403 stack pointer in functions w/o saved registers, output LEAVE more often
11404 on TARGET_USE_LEAVE machines.
11406 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
11408 * config/arm/arm.c (arm_init_cumulative_args); New function:
11409 Initlaise the CUMULATIE_ARGS strcuture for a function
11411 (arm_function_arg): New function: Determine where to place a
11412 function's argument. Also handles deciding the function's
11414 (current_file_function_operand): New function: Return true if
11415 the symbol is a function which has already been compiled.
11416 (arm_is_long_call_p): New function: Return true if the
11417 indicated function should be called via a long call.
11418 (arm_valid_type_attribute_p): New function: Return true if the
11419 attribute is a valid, arm specific, attribute.
11420 (arm_comp_type_attribute): New function: Return true if the
11421 two types have compatable, arm specific, attributes.
11423 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
11425 (FUNCTION_ARG): Redefine to call arm_function_arg.
11426 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
11428 (INIT_CUMULATIVE_ARGS): Redefine to call
11429 arm_init_cumulative_args.
11430 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
11432 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
11434 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
11436 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
11437 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
11438 (COMP_TYPE_ATTRIBUTES): Define.
11440 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
11441 if a long call is needed.
11442 (call_value): Call arm_is_long_call_p to decide if a long call
11444 (call_symbol): Call arm_is_long_call_p to decide if a long call
11447 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
11449 2000-02-11 Denis Chertykov <denisc@overta.ru>
11451 * README.AVR: New file with information about the avr ports.
11452 * config/avr: New directory with avr port files.
11454 2000-02-11 Andreas Jaeger <aj@suse.de>
11456 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
11458 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
11460 * cpphash.c: Fix formatting, update commentary.
11461 (dump_definition): Take three separate arguments instead of a
11462 MACRODEF structure argument.
11463 * cpphash.h: Update prototype of dump_definition.
11464 * cppinit.c (cpp_finish): Update call of dump_definition.
11466 * cpplib.c (do_define): Always create new hash entry with
11467 T_MACRO type. Remove redundant check for redefinition of
11468 poisoned identifier. Update call of dump_definition.
11469 (do_undef): Don't call check_macro_name. Rename sym_length to
11471 (do_error, do_warning): Don't use copy_rest_of_line or
11473 (do_warning): Don't use pedwarn for the actual warning,
11474 only the notice about its not being in the standard. (Fixes
11475 bug with #warning in system headers.)
11476 (do_ident): Stricter argument checking - accept only a single
11477 string after #ident. Also, macro-expand the line.
11478 (do_xifdef): Use cpp_defined. De-obfuscate.
11480 (do_pragma): Split out specific pragma handling to separate
11481 functions. Use get_directive_token. Update commentary. Do
11482 not pass on #pragma once or #pragma poison to the front end.
11483 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
11484 do_pragma_default): New.
11486 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
11488 * jump.c (jump_optimize_1): The first operand in a relational
11489 can be a CONST_INT.
11490 * optabs.c (emit_conditional_move): Handle relationals which
11491 have a known true/false result.
11493 2000-02-11 Geoff Keating <geoffk@cygnus.com>
11495 * function.c (thread_prologue_and_epilogue_insns): Don't insert
11496 a RETURN insn into a block which already ends with a jump.
11498 2000-02-11 Geoff Keating <geoffk@cygnus.com>
11500 * haifa-sched.c (BUF_LEN): Increase a lot.
11502 2000-02-11 Nick Clifton <nickc@cygnus.com>
11504 * configure.in: Add tm_p_file specification for thumb targets.
11505 * configure: Regenerate.
11507 * config/arm/thumb-protos.h: New file: Prototypes for exported
11508 functions defined in thumb.c.
11510 2000-02-11 Robert Lipe <robertl@sco.com>
11512 * Makefile.in (bootstrap-lean): Remove additional files.
11513 (bootstrap2-lean): Likewise.
11514 (VOL_FILES): List of files for above.
11516 2000-02-11 Nathan Sidwell <nathan@acm.org>
11518 * cpphash.c (special_symbol): Remove spurious argument to
11521 2000-02-11 Joel Sherrill (joel@OARcorp.com>
11523 * configure.in: (i*86-*-rtems*): Swapped elf and coff
11525 * configure: Rebuilt.
11527 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
11529 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
11531 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
11533 * pa.c, pa.h: Remove trigraph sequences within comments.
11535 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
11537 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
11539 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
11541 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
11543 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11545 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
11547 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11549 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
11550 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
11551 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
11552 (ASM_FILE_END): Use c4x_file_end.
11553 * config/c4x/c4x.c (c4x_global_label): New function.
11554 (c4x_external_ref, c4x_file_end): Likewise.
11556 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
11557 (c4x_external_ref, c4x_end_file): Likewise.
11559 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
11561 * cppexp.c: Don't include cpphash.h.
11562 (parse_charconst, cpp_lex): Use cpp_defined.
11563 (cpp_lex): Use get_directive_token throughout. Remove
11564 unnecessary cases from switch. Move assertion-handling code
11565 down to OTHER case.
11566 (cpp_parse_expr): If we see '+' or '-', check the context to
11567 determine if they are unary or binary operators. Streamline
11568 the jumps a bit. Do not call skip_rest_of_line.
11570 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
11571 static. Export get_directive_token. Update commentary.
11572 (cpp_defined): New function.
11573 (do_define): Remove reference to T_PCSTRING. Call
11574 free_definition to release memory for old definition, when
11575 redefining a macro.
11576 (eval_if_expression): Set only_seen_white to 0 before calling
11577 cpp_parse_expr. Call skip_rest_of_line after it returns.
11578 (cpp_read_check_assertion): Don't preserve a pointer into the
11579 token buffer across a call to cpp_get_token.
11581 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
11582 * cppfiles.c (redundant_include_p): Use cpp_defined.
11583 * cpphash.c (free_definition): New function.
11584 (delete_macro): Use it. Update commentary.
11585 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
11587 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
11588 from enum node_type. Prototype cpp_defined and get_directive_token.
11589 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
11591 * fix-header.c (check_macro_names): Use cpp_defined.
11592 (read_scan_file): Set inhibit_warnings and inhibit_errors in
11593 the options structure.
11595 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11597 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
11599 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
11601 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
11602 rather than die->die_tag.
11604 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11606 * combine.c (make_extraction, force_to_mode): Avoid warning on
11607 mixed-signedness conditionals.
11608 (make_field_assignment, nonzero_bits): Likewise.
11609 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
11610 (store_split_bit_field, extract_split_bit_field): Likewise.
11611 (extract_fixed_bit_field, store_bit_field,
11612 * expr.c: Change alignment to be unsigned everywhere.
11613 (move_by_pieces, store_constructor_field, store_constructor):
11614 Alignment parm is unsigned.
11615 (emit_block_move, emit_group_load, emit_group_store): Likewise.
11616 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
11617 (do_compare_rtx_and_jump): Likewise.
11618 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
11619 Compare align with GET_MODE_ALIGNMENT.
11620 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
11621 (get_inner_reference): Likewise.
11622 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
11623 (expand_assignment): Local vars for alignment now unsigned.
11624 (store_constructor, store_field, expand_expr, do_jump): Likewise.
11625 (do_compare_and_jump): Likewise.
11626 (store_field): Call new function expr_align.
11627 * expr.h (emit_block_move, emit_group_load, emit_group_store):
11628 Alignment arg now unsigned.
11629 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
11630 (do_compare_rtx_and_jump, store_bit_field): Likewise.
11631 (extract_bit_field): Likewise.
11632 * fold-const.c (add_double): Add cast to eliminate signedness warning.
11633 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
11634 (get_best_mode): Alignment arg is unsigned.
11635 * rtl.h (move_by_pieces): Likewise.
11636 * store-layout.c (maximum_field_alignment, set_alignment):
11638 (layout_decl): Alignment arg is now unsigned.
11639 Remove unneeded casts.
11640 (layout_record, layout_union, layout_type): Remove unneeded casts.
11641 Local alignment variables now unsigned.
11642 (get_best_mode): Alignment arg now unsigned.
11643 * tree.c (expr_align): New function.
11644 * tree.h (expr_align): Likewise.
11645 (maximum_field_alignment, set_alignment): Now unsigned.
11646 (get_inner_reference): Alignment argument is now pointer to unsigned.
11647 * varasm.c (assemble_variable): Add cast to eliminate warning.
11649 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
11651 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
11652 then store directly into op0.
11654 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
11655 the CALL_INSN, and emit the note immediately after it.
11657 2000-02-10 Nick Clifton <nickc@cygnus.com>
11659 * config/arm/thumb.md (epilogue): Include a (return) in the
11660 generated insn, and emit it using emit_jump_insn not
11663 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
11665 * function.c (assign_temp): Change zero-sized arrays to size 1.
11666 * integrate.c (expand_inline_function): Do not update
11667 stack_alignment_needed
11668 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
11669 add some sanity checking, remove optimization for function with
11672 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11674 * flow.c (mark_regs_live_at_end): Delete unused variables.
11676 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
11678 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
11679 in macro FRAME_GROWS_DOWNWARD.
11681 * stmt.c (expand_end_bindings): Delete unused variable.
11683 * unroll.c (iteration_info): Mark parameter `loop' with
11686 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11688 * fixinc/server.c (load_data): Return NULL if the marker line is
11690 (run_shell): If load_data returns NULL, retry the command once, in
11693 * configure: Rebuilt.
11695 2000-02-09 Bruce Korb <bkorb@gnu.org>
11697 * gcc/fixincludes: ** DELETED **
11698 * gcc/fixcpp: ** DELETED **
11699 * gcc/fixinc-nt.sed: ** DELETED **
11700 * gcc/just-fixinc: ** DELETED **
11701 * gcc/Makefile.in: Removed out-dated commentary
11702 * gcc/configure.in: Removed fast-fixincludes disablement.
11703 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
11705 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
11706 * function.c (thread_prologue_and_epilogue_insns): Uncomment
11709 2000-02-09 Richard Henderson <rth@cygnus.com>
11711 * jump.c (delete_insn): Don't delete user labels at -O0.
11713 2000-02-09 Robert Lipe <robertl@sco.com>
11715 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
11716 Don't link with HOST_LIBS.
11718 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
11720 * configure.in: Correct --help text for --with-dwarf2.
11721 Put tm-dwarf2.h after other tm files, if it's requested.
11722 * configure: Regenerate.
11723 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
11726 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
11728 * cpplib.h: Provide HASHNODE typedef and forward decl of
11729 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
11730 DEFINITION, struct hashnode, struct macrodef, struct
11731 definition, scan_decls prototype, default defn of
11732 INCLUDE_LEN_FUDGE moved elsewhere.
11734 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
11735 definition, and struct hashnode moved here. Remove the unused
11736 'predefined' field from struct definition. Replace the 'args'
11737 union with its sole member. All users updated (cpphash.c).
11738 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
11739 multiple include guard.
11741 * cpphash.c (hashf): Make static; use better algorithm; drop
11742 HASHSIZE parameter; return an unsigned int.
11743 (cpp_lookup): Drop HASH parameter. PFILE parameter is
11744 used. Calculate HASHSIZE modulus here.
11745 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
11747 (create_definition): Drop PREDEFINITION parameter.
11748 * cpplib.c (do_define): Don't calculate a hash value here.
11749 Don't pass (keyword == NULL) to create_definition.
11751 * scan.h: Prototype scan_decls here.
11752 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
11753 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
11754 callers of cpp_lookup and cpp_install updated.
11756 * cpphash.c (macarg): Hoist all the flag diddling out of the
11758 (macroexpand): ... and out of the loop that calls macarg.
11759 Skip over the initial paren before macro arguments with
11760 cpp_get_non_space_token; point may be some distance before
11761 that paren. Abort if it's not there.
11763 * cpplib.c (parse_clear_mark): Delete function.
11764 (parse_set_mark, parse_goto_mark): Make static.
11765 (ACTIVE_MARK_P): New macro.
11766 (skip_block_comment, skip_line_comment): Do not bump the line
11767 if ACTIVE_MARK_P is true.
11768 (cpp_pop_buffer): The buffer to be popped may not have an
11770 (cpp_get_token): When looking for the initial paren before
11771 macro arguments, only set a mark in a file buffer, Always
11772 return to that mark before proceeding to call macroexpand or
11773 return a NAME token.
11775 * cpplib.h: Remove prototypes of parse_set_mark,
11776 parse_clear_mark, parse_goto_mark.
11777 (struct cpp_options): Rename 'put_out_comments' to
11778 'discard_comments' and invert its sense.
11779 * cppinit.c, cpphash.c, cpplib.c: All users of
11780 put_out_comments changed to use discard_comments, with
11783 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
11785 * function.c (thread_prologue_and_epilogue_insns): Don't delete
11786 the edge from a block that both jumps and falls through to the
11789 2000-02-09 Scott Bambrough <scottb@netwinder.org>
11791 * config/arm/arm.md (movsi): In PIC mode, make sure that a
11792 constant source address is legitimate.
11794 2000-02-09 Philip Blundell <pb@futuretv.com>
11796 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
11799 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
11801 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
11803 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
11805 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
11806 ends with a newline and a NUL. Don't be so clever manipulating
11809 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
11811 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
11812 not to BIGGEST_ALIGNMENT.
11814 2000-02-08 Geoff Keating <geoffk@cygnus.com>
11816 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
11817 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
11818 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
11819 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
11820 * frame.c (execute_cfa_insn): Handle
11821 DW_CFA_GNU_negative_offset_extended.
11823 2000-02-08 Richard Henderson <rth@cygnus.com>
11825 * flow.c (tidy_fallthru_edges): Split out from ...
11826 (delete_unreachable_blocks): ... here.
11827 (find_basic_blocks): Use it.
11829 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11831 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
11833 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
11835 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
11836 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
11837 (fix-header.o): Don't depend on cpphash.h.
11839 * scan.c (hashstr): New function.
11840 * scan.h: Prototype it.
11841 * fix-header.c: Don't include cpphash.h. Use hashstr.
11842 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
11843 hashstr. Report hash table statistics. Add private
11844 definition of xrealloc.
11846 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11848 * i386.h (TARGET_SWITCHES): Fix typo in option name.
11850 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
11852 * function.c (thread_prologue_and_epilogue_insns): Don't replace
11853 jumps with returns unless they are jumps to the fallthru block.
11855 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
11857 * i386.md (addqi3_cc): Fix contraints.
11859 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
11861 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
11863 2000-02-07 Mark Mitchell <mark@codesourcery.com>
11865 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
11866 carriage return after a macro name.
11868 2000-02-07 Fred Fish <fnf@be.com>
11870 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
11871 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
11873 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
11875 * cppfiles.c (deps_output): Count spacers in deps_column.
11877 2000-02-07 Neil Booth <NeilB@earthling.net>
11879 * cppinit.c (initialize_dependency_output): If there is no
11880 suffix, don't try to look for known suffixes. Use strrchr.
11881 (cpp_start_read): Remove duplicate initialization.
11883 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
11885 * calls.c (compute_argument_block_size): New argument
11886 preferred_stack_boundary.
11887 (expand_call): update cfun->preferred_stack_boundary, update call of
11888 compute_argument_block_size
11889 (emit_library_call): Increate cfun->preferred_stack_boundary
11890 to PREFERRED_STACK_BOUNDARY
11891 (emit_library_call_value): Likewise.
11892 * explow.c (allocate_dynamic_stack_spave): Likewise.
11893 * function.c (prepare_function_start): Set
11894 cfun->preferred_stack_boundary
11895 * function.h (struct function): Add preferred_stack_boundary field.
11896 * integrate.c (expand_inline_function): Update
11897 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
11898 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
11899 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
11901 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
11903 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
11904 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
11905 cpp_pedwarn, cpp_pedwarn_with_line,
11906 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
11907 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
11908 v_cpp_error_with_line, v_cpp_warning_with_line,
11909 cpp_message_from_errno, cpp_perror_with_name): Delete.
11911 * cpperror.c (cpp_print_containing_files): Take starting
11912 buffer as argument.
11913 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
11914 (v_cpp_message): Now called directly by all entry points.
11916 (cpp_pfatal_with_name, cpp_message): Delete.
11917 (cpp_notice_from_errno, cpp_ice): New functions.
11918 (cpp_notice): Is now for reporting error conditions, just
11919 without an associated file.
11920 (cpp_error, cpp_error_with_line): Don't do anything if
11921 opts->inhibit_errors is on.
11922 (cpp_pedwarn_with_file_and_line): Take column argument also.
11924 * cpplib.h: Update prototypes of exported functions.
11925 (struct cpp_options): Add inhibit_errors.
11927 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
11928 non-error messages. Include intl.h.
11930 * cppinit.c, cppmain.c: Likewise. Also, use
11931 cpp_notice_from_errno instead of cpp_perror_with_name or
11932 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
11934 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
11935 report internal errors.
11937 * cpplib.c (do_define): Switch bcopy to memcpy.
11938 Give cpp_pedwarn_with_file_and_line a dummy column argument.
11940 * cpplib.c (copy_rest_of_line): Revert previous change: don't
11941 bail out early if we hit a line comment.
11943 2000-02-06 Richard Henderson <rth@cygnus.com>
11945 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
11946 * basic-block.h: Declare them.
11947 * emit-rtl.h (active_insn_p): New.
11948 (next_active_insn, prev_active_insn): Use it.
11949 * rtl.h: Declare it.
11950 * function.c (emit_return_into_block): New.
11951 (thread_prologue_and_epilogue_insns): Insert return insns instead
11952 of epilogues when possible.
11953 * jump.c (jump_optimize_1): Remove code to insert a return insn
11954 on the fallthru to the exit block.
11956 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
11957 and for non-empty stack frames.
11958 * i386.md (return): Expand to return-pop as needed.
11960 2000-02-06 Richard Henderson <rth@cygnus.com>
11962 * simplify-rtx.c (simplify_relational_operation): Canonicalize
11963 constant to op1 for testing.
11965 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11967 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
11968 (fixuns_truncqfqi2): Use it.
11970 2000-02-06 Richard Henderson <rth@cygnus.com>
11972 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
11973 as a TYPE_LEA insn.
11975 * i386.md (widening and peepholes): Mask the constant instead of
11978 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
11980 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
11981 input pointer before possibly branching off to the backslash
11983 * cpphash.c (macroexpand): Correctly delete \r escapes when
11984 stringifying parameters.
11985 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
11986 if we can; bail out early if we hit a line comment.
11987 (handle_directive): Treat '# 123' in an .S file just like
11988 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
11989 Return 1 for '# not_a_directive'.
11990 (get_directive_token): Pop macro buffers here, so that
11991 cpp_get_token can't sneakily move past a newline.
11993 (cpp_get_token): goto randomchar if handle_directive returns 0.
11995 * cppalloc.c: Update copyright.
11996 * cpplib.c: Merge all the static function prototypes into one
11998 * cpplib.h: Remove #if 0 block.
12000 * cpperror.c: Remove #ifdef EMACS block.
12001 * cppmain.c: Likewise.
12002 * cpphash.c: Remove #if 0 blocks.
12003 * cppinit.c: Remove #if 0 blocks, and the -lint option.
12004 * cpplib.c: Remove #if 0 blocks and code referencing
12005 pcp_inside_if or for_lint. Remove duplicate error message.
12006 Fix error messages for #else after #else or #elif. Reformat.
12007 Remove archaic TODO list.
12008 * cpplib.h: Remove pcp_inside_if and for_lint flags.
12010 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
12012 * i386/osf1elf.h: Add missing backslash to multiline string.
12014 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12016 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
12018 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12020 * Makefile.in (c-common.o): Depend on $(EXPR_H).
12022 * c-common.c: Include expr.h.
12024 * c-pragma.c (mark_align_stack): Add prototype.
12026 * caller-save.c (add_stored_regs): Likewise.
12028 * combine.c (record_promoted_value): Likewise.
12030 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
12033 * cppinit.c (new_pending_define): Likewise.
12035 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
12037 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
12038 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
12039 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
12040 class_scope_p): Likewise.
12042 * dwarf2out.h (dwarf2out_set_demangle_name_func,
12043 dwarf2out_add_library_unit_info): Likewise.
12045 * ggc.h (ggc_page_print_statistics): Likewise.
12047 * haifa-sched.c (propagate_deps): Likewise.
12049 * reg-stack.c (next_flags_user, record_label_references): Likewise.
12051 * rtl.h (set_stack_check_libfunc): Likewise.
12053 * toplev.h (set_fatal_function): Likewise.
12055 * toplev.c (set_fatal_function): Delete prototype.
12057 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
12059 2000-02-05 Geoff Keating <geoffk@cygnus.com>
12061 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
12062 (FUNC_END): Likewise.
12064 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12066 * caller-save.c: Include tm_p.h.
12068 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12070 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
12072 2000-02-04 Neil Booth <NeilB@earthling.net>
12074 * cccp.c (main): Check 'dir' for a NULL pointer before passing
12077 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
12079 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
12080 * genflags.c: Use the max_operand_1 logic from genemit.c to
12081 calculate how many arguments gen_insn prototypes have. Remove
12082 NO_MD_PROTOTYPES ifdefs from the generated file.
12083 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
12084 file. Cast gen_insn initializers to insn_gen_fn.
12085 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
12086 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
12088 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12090 * fixinc/Makefile.in (HDR): Add machname.h.
12093 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12095 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
12096 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
12097 (c4x_cpu_version): Ditto.
12098 * config/c4x/c4x-protos.h: ... here.
12100 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
12102 * dwarf2out.c (add_abstract_origin_attribute): Don't call
12103 gen_abstract_function on our context if we're a nested function.
12105 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12107 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
12108 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
12110 2000-02-04 Bruce Korb <bkorb@gnu.org>
12112 * fixinc/genfixes(machname.h):
12113 Move the functionality from gen-machine.h into this file.
12114 UNdef MN_NAME_PAT if there are no names to change.
12115 Also, be a little kinder when AutoGen is not present.
12117 * fixinc/Makefile.in(machname.h):
12118 Change the generation rule to use genfixes.
12120 * fixinc/fixfixes.c(machine_name):
12121 machine_name_fix's functionality now dependent upon whether
12122 MN_NAME_PAT is defined.
12124 * fixinc/fixtests.c(machine_name):
12127 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
12130 * fixinc/fixlib.h(mn_get_regexps):
12133 * fixinc/gen-machine.h: DELETED
12135 2000-02-04 Jan Hubicka <jh@suse.cz>
12136 Richard Henderson <rth@cygnus.com>
12138 * i386.c (SAVE_REGS_FIRST): Remove.
12139 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
12140 (ix86_compute_frame_size): Likewise.
12141 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
12142 (ix86_emit_restore_regs): Remove.
12143 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
12144 when a frame pointer is in use.
12145 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
12146 instead of pop to restore a register when profitable; emit leave
12148 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
12149 as a TYPE_LEA insn.
12150 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
12151 * i386.md (prologue_allocate_stack): Remove.
12152 (epilogue_deallocate_stack): Remove.
12153 (pro_epilogue_adjust_stack): New.
12155 2000-02-04 Richard Henderson <rth@cygnus.com>
12157 * function.c (diddle_return_value): Rework to use a callback function.
12158 Use current_function_return_rtx if it's been set up.
12159 (do_clobber_return_reg, clobber_return_register): New.
12160 (do_use_return_reg, use_return_register): New.
12161 (expand_function_end): Use them.
12162 * stmt.c (expand_null_return): Likewise.
12163 * function.h: Declare them.
12164 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
12165 (mark_reg): Change arguments as appropriate for callback.
12166 * integrate.c (expand_inline_function): Revert 19 Jan change.
12168 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
12170 * tm.texi (Values in Registers): Fix typo: "fo" "for".
12171 (Misc): Say the scheduler, not the Haifa scheduler.
12173 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
12175 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
12176 when in_mem is set. Update all callers.
12178 2000-02-04 Richard Henderson <rth@cygnus.com>
12180 * i386/openbsd.h (INT_ASM_OP): Define.
12182 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
12184 * tm.texi: Fix various typos.
12186 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
12188 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
12189 (MD_STARTFILE_PREFIX_1): New macro.
12191 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
12193 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
12194 destination when needed.
12195 (strmovsi, strsetsi): New expander.
12196 (strmovsi_1, strsetsi_1): New pattern.
12197 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
12198 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
12199 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
12200 * invoke.texi (align-stringops, inline-all-stringops): Document.
12202 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
12204 * i386/netbsd.h (INT_ASM_OP): Define.
12206 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
12208 * cpplib.h (cpp_reader): Add new flag, no_directives.
12209 * cpphash.c (macarg): Set it.
12210 * cpplib.c (handle_directive): If no_directives is on and we
12211 find a directive, issue an error and discard the line.
12213 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
12215 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
12216 FP constants. Add ! TARGET_FPU check for FP constants.
12218 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
12220 * flow.c (find_basic_blocks): Don't kill label_value_list
12222 (cleanup_cfg): Kill it here.
12224 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12226 * expr.c (store_field): Ensure ALIGN is no stricter than the
12229 2000-02-02 Richard Henderson <rth@cygnus.com>
12231 * jump.c (delete_insn): Partially revert 19 Jan change;
12232 don't convert unused code labels to notes at -O0.
12234 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12236 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
12237 split_all_insns to recreate REG_LABEL notes for flow2 pass.
12239 2000-02-01 Richard Henderson <rth@cygnus.com>
12241 * i386.c (general_no_elim_operand): New.
12242 (nonmemory_no_elim_operand): New.
12243 (ix86_expand_move): Copy eliminable operands before a push.
12244 * i386-protos.h: Declare new functions.
12245 * i386.h (CAN_ELIMINATE): Simplify.
12246 (PREDICATE_CODES): Update.
12247 * i386.md (push insns): Don't allow eliminable register operands.
12249 2000-02-01 Richard Henderson <rth@cygnus.com>
12251 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
12252 replace BLKmode with DECL_RTL's mode.
12254 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
12256 * frame.c (find_fde): Convert for loop to do-while so compiler
12257 sees it's always executed at least once.
12258 * libgcc2.c (BBINBUFSIZE): Kill.
12259 (__bb_init_prg): Use fgets.
12260 (__bb_exit_trace_func): Don't paste strings.
12261 * unroll.c (unroll_loop): Initialize unroll_type, not
12262 unroll_number, and tweak logic to match.
12264 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
12266 (ix86_flags_dependant): Likewise. Disentangle control flow.
12267 (ix86_sched_reorder): Break guts out to
12268 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
12269 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
12272 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
12273 use string concatenation. Don't save and restore esi.
12275 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
12276 (machname.h): Remove script to separate file. Use two-step
12277 sequence so target is not created if script fails.
12278 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
12279 identifiers are defined.
12280 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
12281 an empty string, machine_name doesn't need to do anything at
12283 (is_cxx_header): Add more cases to regexp.
12284 * fixinc/fixlib.h: Update prototype.
12285 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
12287 * fixinc/fixincl.c: Define NO_BOGOSITY.
12289 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
12290 (hp_sysfile): Add missing comma.
12291 (math_exception): Put the wrapper ifdefs at the beginning and
12292 the end of the file.
12293 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
12295 2000-02-01 Richard Henderson <rth@cygnus.com>
12297 * sparc.c (fp_zero_operand): Turn into a normal predicate.
12298 Use CONST0_RTX. Update all callers.
12299 * sparc.h, sparc-protos.h: Update accordingly.
12300 * sparc.md (fp mov insns): Use fp_zero_operand directly
12303 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
12305 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
12308 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12310 * Makefile.in (specs.ready): New target.
12311 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
12313 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12315 * fixinc.irix: Use unique filenames for writing into /tmp,
12316 * fixinc.ptx: Likewise.
12317 * fixinc.sco: Likewise.
12318 * fixinc.svr4: Likewise.
12319 * fixinc.winnt: Likewise.
12321 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12323 * tsystem.h: New file.
12325 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
12326 s-crtS): Depend on tsystem.h.
12328 * crtstuff.c: Include tsystem.h.
12329 * frame.c: Likewise.
12330 * libgcc2.c: Likewise.
12332 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
12334 * builtins.c (expand_builtin_memset): Expand for variable sized
12337 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
12339 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
12342 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
12344 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
12346 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
12348 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
12350 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
12351 case 3->2 combining (combining with splitting) in which 2 is CC0
12352 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
12353 checked at the begining of the function with the aid of calling
12354 function 'can_combine_p'.
12356 2000-01-31 Dave Brolley <brolley@redhat.com>
12358 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
12360 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
12362 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
12365 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12367 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
12369 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
12372 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
12374 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
12375 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
12376 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
12377 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
12378 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
12379 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
12380 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
12381 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
12382 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
12383 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
12385 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
12386 Add %(cpp_cpu) to CPP_SPEC.
12388 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
12389 Add %(cc1_cpu) to CC1_SPEC.
12391 2000-01-28 Ulrich Drepper <drepper@redhat.com>
12393 * c-decl.c (c_decode_option): Accept optional numeric argument to
12394 -Wformat and set warn_format.
12395 * c-common.c: Don't emit warning about non-constant printf format
12396 string unless warn_format > 1.
12398 2000-01-30 Richard Henderson <rth@cygnus.com>
12400 * alpha.md (return_internal): Allow after reload only.
12402 2000-01-30 Richard Henderson <rth@cygnus.com>
12404 * i386.c (ix86_compute_frame_size): Omit padding1 if the
12405 local frame size is zero.
12407 2000-01-30 Richard Henderson <rth@cygnus.com>
12409 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
12410 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
12411 * alpha.md (return): Turn into an expander.
12412 (return_internal): Don't use $26.
12413 (epilogue): Emit the return insn.
12415 2000-01-30 Richard Henderson <rth@cygnus.com>
12417 * alpha.md (negtf2, abstf2): Fix word order thinko.
12418 (extendsftf2): New.
12419 (trunctfsf2): Avoid intermediate rounding errors.
12421 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
12423 * cppfiles.c (find_position): Drop 'colp' argument, return the
12425 (read_and_prescan): Adjust to match. Don't ever manipulate
12426 line or line_base except via find_position.
12428 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
12430 * c-parse.in: Apply Ulrich's changes from c-parse.y.
12431 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
12434 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
12436 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
12437 just print "<command line>". If 'filename' is null or an
12438 empty string, print "<stdin>" for the filename.
12439 * cpplib.c (do_define): Don't print the 'location of the
12440 previous definition' message if we're still parsing the
12442 (cpp_pedwarn_with_file_and_line): Always call
12443 cpp_file_line_for_message.
12445 2000-01-29 Mark Mitchell <mark@codesourcery.com>
12447 * flow.c (mark_regs_live_at_end): Fix typo.
12449 2000-01-28 Ulrich Drepper <drepper@redhat.com>
12451 * c-common.c: Adjust variable names, comments, help strings to c99.
12452 * c-lex.c: Likewise.
12453 * c-parse.y: Likewise.
12454 * c-tree.h: Likewise.
12455 * cccp.c: Likewise.
12456 * cpplib.h: Likewise.
12457 * c-decl.c: Likewise. Recognize options with names "*99" as well.
12458 * cppinit.c: Likewise.
12460 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12462 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
12463 * c4x.c: Define the optab rtx values.
12464 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
12465 (c4x_emit_libcall): Use new optab rtx values.
12466 (c4x_emit_libcall3): Likewise.
12467 (c4x_emit_libcall_mulhi): Likewise.
12468 * c4x-protos.h: Add prototypes for optab rtx values and change
12469 prototypes for above c4x_emit_libcall functions.
12471 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12473 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
12475 (c4x_function_prologue): Use regnames intead of float_reg_names when
12477 (c4x_function_epilogue): Likewise.
12478 (c4x_print_operand): Likewise.
12479 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
12480 * c4x.md (set_high): Disable for TARGET_TI.
12482 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12484 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
12485 of framepointer + constant to ADDR_REGS class.
12486 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
12487 * c4x.c (std_or_reg_operand): New function.
12488 * c4x-protos.h (std_or_reg_operand): Prototype it.
12490 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12492 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
12493 object names as libgcc2.c.
12494 * libgcc.S: Use newly defined names.
12496 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
12497 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
12499 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
12500 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
12501 (FLOW_LOOP_LAST_BLOCK): Likewise.
12503 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12505 * basic-block.h (struct loop): New fields 'first' and 'last'.
12506 * flow.c (flow_loops_find): Compute loop->first and loop->last.
12507 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
12508 and loop->last to check for NOTE_INSN_LOOP_END.
12510 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
12512 * predict.c (estimate_probability): Use the new FIRST and LAST fields
12513 of the loop descriptor rather than HEADER and LATCH. Also added
12514 missing break statements as well making some coding style modifications
12515 as suggested by Michael Hayes.
12517 2000-01-28 Richard Henderson <rth@cygnus.com>
12519 * flow.c (find_basic_blocks): Remove do_cleanup argument.
12520 Break out that code ...
12521 (cleanup_cfg): ... here.
12522 (commit_one_edge_insertion): Detect a return instruction being
12523 emitted to an edge. Emit a barrier following; clear fallthru.
12524 (commit_edge_insertions): Verify CFG consistency.
12525 * function.c (expand_function_start): Kill unused variable.
12526 (expand_function_end): Likewise.
12527 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
12528 to insert the epilogue.
12530 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
12531 (delete_null_pointer_checks): Likewise.
12532 * output.h: Likewise.
12533 * reg-stack.c (reg_to_stack): Likewise.
12534 * toplev.c (rest_of_compilation): Likewise. Run
12535 thread_prologue_and_epilogue_insns after rebuilding the CFG.
12537 2000-01-28 Richard Henderson <rth@cygnus.com>
12539 * Makefile.in (flow.o): Revert 24 Jan change.
12540 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
12541 FUNCTION_VALUE result to DECL_RESULT's mode.
12543 * haifa-sched.c (schedule_insns): Don't recompute reg info
12546 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
12548 * configure.in: Make --enable-cpplib the default.
12549 * configure: Regenerate.
12550 * gcc.dg/990119-1.c: No longer expected to fail.
12552 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
12554 * jump.c (jump_optimize_1): Delete an optimization that is also done
12555 by merge_blocks in flow.
12557 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12559 * diagnostic.c (build_message_string, output_printf,
12560 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
12561 (build_location_prefix): Fix non-literal format string.
12563 2000-01-27 Richard Henderson <rth@cygnus.com>
12565 * alpha.md (trunctfsf2): New.
12567 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
12569 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
12571 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
12573 * cppinit.c (cpp_handle_option): Recognize C++ comments under
12575 * cpplib.c (skip_block_comment, skip_line_comment): Split code
12577 (skip_comment) ... here. Permit C++ comments in system
12578 headers always. Warn about C++ comments in user code under
12579 -std=gnu89 -pedantic.
12580 (copy_comment): Use skip_comment.
12581 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
12583 (consider_directive_while_skipping, do_else, do_endif): Call
12584 validate_else unconditionally.
12585 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
12586 text after the conditional in a system header.
12587 * cpplib.h (struct cpp_buffer): Add flag
12588 warned_cplusplus_comments.
12590 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
12592 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
12593 Use unshare_all_rtl_1.
12594 (unshare_all_rtl_again): New function.
12595 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
12597 * function.c (purge_addressof_1): Use unshare_all_rtl_again
12598 rather than resetting the 'used' flags ourself.
12600 * toplev.c (rest_of_compilation): Add current_function_decl
12601 to the unshare_all_rtl call.
12602 * tree.h: Prototype unshare_all_rtl.
12603 * rtl.h: Prototype unshare_all_rtl_again here.
12605 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
12607 * genoutput.c (output_prologue): Include ggc.h in generated
12609 * Makefile.in (insn-output.o): Depends on ggc.h.
12611 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
12612 Hans-Peter Nilsson <hp@bitrange.com>
12614 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
12615 Remove redundant include of xm-ns32k.h.
12616 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
12617 Remove redundant include of xm-ns32k.h.
12618 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
12619 Remove redundant include of xm-ns32k.h.
12620 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
12622 * ns32k/ns32k.h: Update comment on multiply-add instructions.
12623 (TARGET_SWITCHES): Add documentation strings.
12624 (DWARF_FRAME_REGNUM): Override default definition.
12625 (REG_CLASS_CONTENTS): Add comments.
12626 (SUBSET_P): Format to reduce line length.
12627 (SMALL_REGISTER_CLASSES): Make a run time option.
12628 (GO_IF_NONINDEXED_ADDRESS): Reformat.
12629 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
12630 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
12631 (regclass_map): fix typo in comment.
12632 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
12633 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
12634 (trace, reg_or_mem_operand): Delete, unused function.
12635 (calc_address_cost): Small offsets are cheaper than large ones.
12636 (expand_block_move): Generate more efficient code when bytes is a
12637 known at compile time.
12638 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
12639 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
12640 instead of reg_or_mem_operand.
12642 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
12643 not general_operand. Similarly use "=rm" or stricter, not "=g".
12644 For input operands, use stricter constraints than "g" if not
12645 general_operand. Similarly use stricter predicate than
12646 "general_operand" when stricter constraints than "g" are present,
12647 except for matching constraints.
12648 (movstrsi): Use "memory_operand" for operands 0 and 1.
12649 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
12650 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
12651 not reg_or_mem_operand.
12652 (udivmoddisi4): Ditto.
12653 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
12654 Use nonimmediate_operand for operand 3, not register_operand.
12655 (udivmoddiqi4_internal): Use register_operand for operand 1, not
12656 reg_or_mem_operand.
12658 2000-01-27 Fred Fish <fnf@be.com>
12660 * gthr-posix.h: Fix typo; compatibily -> compatibility.
12661 * gthr-single.h: Likewise.
12662 * gthr-solaris.h: Likewise.
12663 * gthr-vxworks.h: Likewise.
12664 * gthr-win32.h: Likewise.
12665 * gthr.h: Likewise.
12667 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
12669 * cppinit.c: Add " (cpplib)" to end of string printed by
12672 2000-01-27 Richard Henderson <rth@cygnus.com>
12674 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
12675 testing for a signed comparison.
12676 (alpha_emit_floatuns): New.
12677 * alpha-protos.h: Declare it.
12678 * alpha.md (floatunsdisf2, floatunsdidf2): New.
12679 (extendsfdf2): Tidy.
12681 2000-01-27 Jakub Jelinek <jakub@redhat.com>
12683 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
12684 no -g option specifying debugging format, default to -gstabs+.
12686 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12688 * calls.c (special_function_p): New argument fork_or_exec.
12689 (expand_call): When profile_arc_flag is set and the function
12690 is in the fork_or_exec group, call __bb_fork_func first.
12691 * libgcc2.c, _bb module (__bb_fork_func): New function.
12692 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
12694 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
12695 * tree.h (special_function_p): Update prototype.
12697 2000-01-26 Richard Henderson <rth@cygnus.com>
12699 * alpha.c (alpha_split_tfmode_pair): New.
12700 * alpha-protos.h: Declare it.
12701 * alpha.md (abstf2, negtf2): New.
12702 (movtf insn): Add input G constraint.
12703 (movtf splitter): Use alpha_split_tfmode_pair.
12705 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12707 * i386/cygwin.h: PROTO -> PARAMS.
12709 2000-01-26 Jakub Jelinek <jakub@redhat.com>
12711 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
12712 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
12713 using _Qp_cmp/_Q_cmp and testing the return value.
12714 (print_operand): Call reverse_condition_maybe_unordered if
12715 we are handling CCFPmode or CCFPEmode.
12716 Handle ORDERED, UN* and LTGT comparisons.
12717 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
12718 if not TARGET_HARD_QUAD.
12719 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
12720 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
12721 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
12722 Adjust gen_b* calls so that they reflect return comparison of
12723 sparc_emit_float_lib_cmp.
12725 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12727 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
12728 incoming operands array is large enough for one more operand.
12729 (alpha_emit_xfloating_arith): Likewise.
12731 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
12733 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
12734 file with one line and no trailing newline.
12735 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
12736 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
12737 checking if the match is on the line.
12738 * fixinc/gnu-regex.c: Provide regerror not __regerror.
12740 2000-01-25 Richard Henderson <rth@cygnus.com>
12742 * sparc.c (output_cbranch): Fix accidental squashing of the
12743 fp branch pre-delay nop.
12745 2000-01-25 Richard Henderson <rth@cygnus.com>
12747 * tree.def (UNNE_EXPR): Remove.
12748 * c-typeck.c (build_binary_op): Don't handle it.
12749 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
12751 * rtl.def (UNNE): Remove.
12753 * jump.c (reverse_condition): Update accordingly.
12754 (swap_condition): Likewise.
12755 (comparison_dominates_p): Handle unordered comparisons.
12756 (reverse_condition_maybe_unordered): New.
12757 * rtl.h (reverse_condition_maybe_unordered): Declare.
12759 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
12760 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
12761 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
12762 * sparc.md (bltgt): New.
12764 2000-01-25 Nick Clifton <nickc@redhat.com>
12766 * emit-rtl.c (emit_insn): Only check machine class insns for
12767 improper emission of a RETURN.
12769 2000-01-25 Richard Henderson <rth@cygnus.com>
12771 * Makefile.in (flow.o): Depend on $(EXPR_H).
12772 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
12773 duplicate the structure of diddle_return_value for keeping regs live.
12775 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12777 * loop.c (current_loop_info): Delete.
12778 (consec_sets_invariant_p): Add loop argument, update callers.
12779 (get_condition_for_loop): Likewise.
12780 (count_nonfixed_reads, update_giv_derive): Likewise.
12781 (simplify_giv_expr, general_induction_var): Likewise.
12782 (consec_sets_giv, recombine_givs): Likewise.
12783 (move_movables): Delete loop_start and loop_end arguments,
12784 add loop argument, and update callers.
12785 (find_mem_givs, check_final_value): Likewise.
12786 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
12787 (loop_invariant_p): Rename from invariant_p, add loop argument, and
12789 (basic_induction_var): Add loop argument, delete loop_level argument,
12790 and update callers.
12791 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
12792 add loop argument, and update callers.
12793 (find_splittable_regs, find_splittable_givs): Likewise.
12794 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
12795 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
12796 (biv_total_increment): Delete loop_start and loop_end arguments;
12798 (precondition_loop_p): Delete loop_start and loop_info arguments;
12800 * loop.h (get_condition_for_loop): Add loop argument.
12801 (biv_total_increment): Delete loop_start and loop_end arguments.
12802 (precondition_loop_p): Delete loop_start and loop_info arguments;
12804 (final_biv_value): Delete loop_start and loop_end arguments;
12806 (final_giv_value, back_branch_in_range_p): Likewise.
12808 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
12810 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
12812 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
12814 * Makefile.in (c-gperf.h) : Change the "See" pointer to
12815 point to the new "generated_files" doc.
12817 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
12819 * config/fp-bit.c (_unord_f2): Fix typo.
12821 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
12823 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
12824 c-typeck.c, objc/objc-act.c: Remove all references to obstack
12825 functions obsoleted by GC, such as push_obstacks_nochange,
12826 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
12827 and code which existed only to decide whether or not to call
12828 them. Remove now-unused NESTED argument from start_function;
12829 all callers changed. Do not change behavior based on ggc_p.
12830 The use of the ixp_obstack in c-iterate.c and the util_obstack
12831 in objc/objc-act.c remain; these are not obsoleted by garbage
12833 * c-tree.h: Update prototype for start_function.
12835 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
12837 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
12839 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
12842 2000-01-25 Richard Henderson <rth@cygnus.com>
12844 * sparc-protos.h (select_cc_mode): Declare.
12845 * sparc.c (select_cc_mode): New. Handle unordered compares.
12846 (output_cbranch): Always reverse via code change. Handle
12847 unordered compares. Factor tests and string updates.
12848 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
12849 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
12850 * sparc.md (bunordered, bordered): New.
12851 (bungt, bunlt, buneq, bunge, bunle): New.
12853 2000-01-25 Richard Henderson <rth@cygnus.com>
12855 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
12856 * ggc-common.c (ggc_add_rtx_varray_root): New.
12857 (ggc_mark_rtx_varray): New.
12858 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
12859 functions down below ggc_mark_foo.
12860 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
12862 2000-01-25 Richard Henderson <rth@cygnus.com>
12864 * alpha.c (secondary_reload_class): Don't allocate a secondary
12865 for integral mode memories into FLOAT_REGS. Rearrange the more
12866 complicated memory expression inward.
12868 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
12870 * inclhack.def: Fixes to play nicer with FreeBSD, and
12871 corrections to comments.
12872 (cxx_unready): Add select expression.
12873 (irix_sockaddr): Add bypass expression.
12874 (machine_ansi_h_va_list): New fix.
12875 (stdio_va_list): No need to edit _BSD_VA_LIST_.
12876 Split out addition of "#include <stdarg.h>" to...
12877 (stdio_stdarg_h): ... here.
12878 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
12879 to stdlib.h also. Do not munge _BSD_SIZE_T_.
12880 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
12882 (ultrix_ifdef): Tighten up select expression.
12884 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
12885 re_ct and max_mach to avoid use of shell. Make printed names
12886 match names in inclhack.def. Use static copyright date.
12887 Don't count c_test and test expressions as requiring regex_t
12888 slots. Add some commentary.
12889 * inclhack.tpl: Do not include the 'This script contains N
12890 fixup scripts' line if PROGRAM is defined. Use static
12893 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
12895 * dwarf2out.c: include "varray.h", not dyn-string.h.
12896 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
12897 (addr_const_to_string, addr_to_string): Lose.
12898 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
12899 (struct dw_val_struct): val_addr is now an rtx.
12900 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
12901 (used_rtx_varray): New varray.
12902 (dwarf2out_init): Initialize it.
12903 (save_rtx): New fn.
12904 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
12906 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
12907 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
12908 * Makefile.in (dwarf2out.o): Update dependencies.
12910 2000-01-24 Richard Henderson <rth@cygnus.com>
12912 * i386.c (i386_dwarf_output_addr_const): New.
12913 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
12915 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
12917 * dwarfout.c (output_mem_loc_descriptor): Likewise.
12918 * i386.c (i386_simplify_dwarf_addr): New.
12919 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
12921 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
12923 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
12924 TYPE_STUB_DECL is NULL.
12926 2000-01-24 Richard Henderson <rth@cygnus.com>
12928 * builtins.c (expand_tree_builtin): Move ...
12929 * c-common.c (expand_tree_builtin): ... here.
12931 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12933 * loop.h (LOOP_INFO): New accessor macro.
12934 * basic-block.h (struct loop): Rename field `info' to `aux'.
12935 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
12936 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
12937 * unroll.c (loop_iterations, unroll_loop): Likewise.
12939 2000-01-24 Christopher Faylor <cgf@cygnus.com>
12941 * config/i386/t-cygwin: Accomodate new winsup directory layout
12942 when searching for include files.
12944 2000-01-24 Richard Henderson <rth@cygnus.com>
12946 * rtl.def: Add unordered fp comparisions.
12947 * tree.def: Likewise.
12948 * tree.h: Add ISO C 9x unordered fp comparision builtins.
12950 * builtins.c (expand_tree_builtin): New function.
12951 * c-typeck.c (build_function_call): Use it.
12952 (build_binary_op): Support unordered compares.
12953 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
12955 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
12956 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
12957 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
12958 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
12959 * jump.c (reverse_condition): Don't abort for UNLE etc, but
12961 (swap_condition): Handle unordered compares.
12962 (thread_jumps): Check can_reverse before reversing.
12963 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
12966 * optabs.c (can_compare_p): New argument CODE. Verify branch or
12967 setcc is present before acking for cmp_optab. Update all callers.
12968 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
12969 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
12970 * expr.c (expand_expr): Likewise. Support unordered compares.
12971 (do_jump, do_store_flag): Likewise.
12972 * expr.h (enum libfunc_index): Add unordered compares.
12974 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
12975 (DPBIT_FUNCS): Add _unord_df.
12976 * config/fp-bit.c (_unord_f2): New.
12977 * fp-test.c (main): Try unordered compare builtins.
12979 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
12980 * alpha.c (alpha_comparison_operator): Check mode properly.
12981 (alpha_swapped_comparison_operator): Likewise.
12982 (signed_comparison_operator): Likewise.
12983 (alpha_fp_comparison_operator): New.
12984 (alpha_emit_conditional_branch): Handle unordered compares.
12985 * alpha.h (PREDICATE_CODES): Update.
12986 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
12987 (bunordered, bordered): New.
12989 2000-01-24 Richard Henderson <rth@cygnus.com>
12991 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
12992 * alpha.md (movtf): New expander, insn, and splitter.
12994 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
12996 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
12999 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
13001 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
13002 (FIXED_REGISTERS, CALL_USED_REGISTERS,
13003 REG_ALLOC_ORDER): Add frame pointer
13004 (FRAME_POINTER_REGNUM): Set to 20
13005 (HARD_FRAME_POINTER_REGNUM): New macro.
13006 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
13007 to HARD_FRAME_POINTER.
13008 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
13009 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
13010 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
13011 (HI_REGISTER_NAMES): Add "frame".
13012 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
13013 (debug_reg): Handle FRAME_POINTER_REGNUM.
13014 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
13015 GENERAL_REGS and INDEX_REGS.
13016 * i386.c (SAVED_REGS_FIRST): new macro.
13017 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
13018 (ix86_decompose_address, memory_address_length): Likewise.
13019 (regclass_map): Add frame pointer.
13020 (call_insn_operand): Handle frame_pointer_rtx.
13021 (reg_no_sp_operand): Likewise.
13022 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
13023 (print_operand, legitimize_pic_address): Fix formating.
13024 (ix86_compute_frame_size): Make static, update prototype, new
13025 parameters padding1, padding2, use ix86_nsaved_regs, use
13026 stack_alignment_needed.
13027 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
13028 to HARD_FRAME_POINTER_REGNUM conversions.
13029 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
13030 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
13031 (print_reg): Abort on FRAME_POINTER_REGNUM
13033 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
13035 * i386.h (PREDICATE_CODES): Add aligned_operand.
13036 * i386.c (aligned_operand): New function.
13037 (ix86_aligned_p): Kill.
13038 * i386.md (movhi_1): Emit mov for aligned operands.
13039 (promoting peep2s): Use aligned_operand.
13041 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
13043 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
13044 expression to allow underscores in macro names.
13045 (fix_char_macro_defines): Increment scanning pointer.
13047 2000-01-23 Richard Henderson <rth@cygnus.com>
13049 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
13050 * alpha/osf5.h: New file.
13051 * configure.in (alpha-*-osf5): Add it to tm_file.
13053 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
13055 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
13056 (alpha_emit_xfloating_cvt, function_arg): Declare.
13057 * alpha.c (alpha_emit_conditional_branch): Call
13058 alpha_emit_xfloating_compare for TFmode compares.
13059 (alpha_lookup_xfloating_lib_func): New.
13060 (alpha_compute_xfloating_mode_arg): New.
13061 (alpha_emit_xfloating_libcall): New.
13062 (alpha_emit_xfloating_arith): New.
13063 (alpha_emit_xfloating_compare): New.
13064 (alpha_emit_xfloating_cvt): New.
13065 (print_operand): Add default abort case.
13066 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
13067 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
13068 (BIGGEST_ALIGNMENT): Increase to 128 bits.
13069 (RETURN_IN_MEMORY): True for TF/TCmode.
13070 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
13071 (FUNCTION_ARG): Move to function_arg.
13072 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
13073 (ASM_OUTPUT_LONG_DOUBLE): New.
13074 (ASM_OUTPUT_DOUBLE): Always output bits.
13075 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
13076 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
13077 (extenddftf2, trunctfdf2): New.
13079 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13081 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
13082 * config/sparc/sol2.h: ... here.
13084 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13086 * basic-block.h (struct loops): New field `levels'.
13087 * flow.c (flow_loops_level_compute): Traverse all outer loops.
13088 (flow_loop_level_compute): Initialise level to 1.
13089 (flow_loops_find): Set loops->levels.
13090 (flow_loops_dump): Print loops->levels.
13092 2000-01-23 Richard Henderson <rth@cygnus.com>
13094 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
13095 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
13097 2000-01-23 Richard Henderson <rth@cygnus.com>
13099 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
13100 * i386.h (DBX_REGISTER_NUMBER): Use them.
13101 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
13102 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
13103 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
13104 * i386/sequent.h: Kill incorrect comment.
13106 2000-01-23 Mark Mitchell <mark@codesourcery.com>
13108 * ggc-page.c (struct page_entry): Make `context_depth' an
13110 (struct globals): Likewise.
13112 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
13114 * loop.c (check_dbra_loop): When checking a loop for
13115 reversability, check the source of any stores to ensure
13116 they don't depend on an initial value.
13118 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13120 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
13122 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
13124 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
13125 'pz_scan' into scope of entire function. Only affects
13126 compiles with -DDEBUG.
13128 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
13130 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
13131 section naming to that prior to 2000-01-07 patch.
13132 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
13133 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
13134 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
13135 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
13136 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
13138 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
13140 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
13143 2000-01-21 Jim Wilson <wilson@cygnus.com>
13145 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
13146 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
13148 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
13150 * cpphash.c (change_newlines): Delete function.
13151 (struct argdata): Delete 'newlines' and 'use_count' fields.
13152 (macroexpand): Remove code referencing those fields.
13154 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13156 * loop.c (loops_info): New variable.
13157 (loop_optimize): Allocate loops->array and free it on exit.
13158 Allocate memory for loops_info and assign to each loop,
13160 (find_and_verify_loops): Do not allocate loops->array.
13162 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
13164 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
13166 2000-01-21 Jakub Jelinek <jakub@redhat.com>
13168 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
13169 pseudos if expanded after first flow.
13170 (movdi_pic_label_ref): Likewise.
13172 2000-01-20 Richard Henderson <rth@cygnus.com>
13174 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
13176 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
13178 * Makefile.in (fixinc.sh): Depend on specs.
13179 * fixinc/Makefile.in: Add rule to create machname.h.
13180 (fixlib.o): Depend on machname.h.
13181 * fixinc/fixtests.c (machine_name): New test.
13182 * fixinc/fixfixes.c (machine_name): New fix.
13183 * fixinc/fixlib.c (mn_get_regexps): New helper function for
13184 the machine_name test and fix.
13185 * fixinc/fixlib.h: Prototype it.
13186 * fixinc/inclhack.def (machine_name): Use the C test and fix.
13187 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
13189 * gcc.c (do_spec_1) [case P]: Take care not to create
13190 identifiers with three leading or trailing underscores.
13192 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
13193 (fixincl): Don't specify libraries twice on link line.
13194 (gnu-regex.o): Remove special rule.
13195 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
13196 defined by config.h. Do not define _REGEX_RE_COMP.
13197 (regcomp): Allocate and initialize a fastmap.
13198 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
13200 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
13202 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
13204 2000-01-19 Richard Henderson <rth@cygnus.com>
13206 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
13207 arguments with BB. Update all callers. Tidy line wrapping.
13209 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
13211 * emit-rtl.c (try_split): Return last_insn if we split the
13214 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
13216 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
13217 (ix86_initial_elimination_offset): Declare.
13218 * i386.c (ix86_nsaved_regs): Break out from ...
13219 (ix86_can_use_return_insn_p): ... here.
13220 (ix86_emit_save_regs): Break out from ...
13221 (ix86_expand_prologue): ... here.
13222 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
13224 (ix86_expand_epilogue): ... here.
13225 (ix86_compute_frame_size): Make static, add prototype.
13226 (ix86_initial_elimination_offset): Break out from ...
13227 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
13229 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13231 * recog.h (OUT_FCN): Delete.
13233 * vax.md: Call `get_insn_template' instead of OUT_FCN.
13235 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13237 * cppalloc.c: PROTO -> PARAMS.
13238 * cpperror.c: Likewise.
13239 * cppfiles.c: Likewise.
13240 * cpplib.c: Likewise.
13241 * cpplib.h: Likewise.
13243 * config/arm/arm-protos.h: PROTO -> PARAMS.
13244 * config/arm/arm.c: Likewise.
13245 * config/c4x/c4x.c: Likewise.
13246 * config/fr30/fr30-protos.h: Likewise.
13247 * config/nextstep.c: Likewise.
13248 * config/pa/pa.c: Likewise.
13249 * config/pj/pj.c: Likewise.
13250 * config/rs6000/rs6000.c: Likewise.
13251 * config/v850/v850-protos.h: Likewise.
13252 * config/v850/v850.c: Likewise.
13254 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13256 * i370-protos.h: New file.
13258 * i370.c: Include tm_p.h. Fix compile time warnings.
13260 * i370.h: Move prototypes to i370-protos.h. Fix compile time
13263 * i370.md: Likewise.
13265 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13267 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
13268 (target_isinf, target_isnan, eisnan): Mark parameter with
13270 (eiisinf): Wrap in INFINITY.
13271 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
13272 (ibmtoe): Remove unused variable `rndsav'.
13274 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13276 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
13277 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
13279 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
13281 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
13282 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
13283 (fix_char_macro_defines, fix_char_macro_uses): New functions.
13285 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
13286 Recognize Emacs mode markers also.
13287 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
13288 C++ comments in C++ headers. Call is_cxx_header only if
13291 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
13292 bypass for ncurses.
13293 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
13294 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
13295 ... these, which use the new C fixes.
13296 (math_exception): Escape literal '+' in bypass expression.
13298 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
13301 2000-01-19 Geoff Keating <geoffk@cygnus.com>
13303 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
13306 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13308 * loop.c (loop_optimize): Allocate loop_info structure for each loop
13309 prior to calling scan_loop.
13311 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13313 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
13314 (split_branches, calc_live_regs): Likewise.
13316 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13318 * sh.md (fpu_single, fp_mode): New attributes.
13320 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13322 * loop.c (current_loop_info): Renamed from loop_info_data
13323 and changed to a pointer.
13324 (loop_optimize): Allocate loop_info structure for each loop
13325 and initialise to zero.
13326 (scan_loop): Set current_loop_info.
13328 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
13331 2000-01-19 Richard Henderson <rth@cygnus.com>
13333 * stupid.c: Die die die.
13334 * Makefile.in (OBJS): Remove stupid.o.
13335 (stupid.o): Likewise.
13337 * except.c (emit_eh_context): Don't emit USEs for stupid.
13338 * explow.c (probe_stack_range): Likewise.
13339 * flags.h (obey_regdecls): Remove.
13340 * flow.c (find_basic_blocks): Don't run try_merge_blocks
13341 when not optimizing.
13342 (life_analysis): Limit data collection when not optimizing.
13343 (mark_regs_live_at_end): Always mark the return value registers.
13344 (mark_used_regs): Remove dummy RETURN case.
13345 (print_rtl_with_bb): Don't consult obey_regdecls.
13346 * function.c (use_variable, use_variable_after): Remove.
13347 (assign_parms): Consult optimize not obey_regdecls.
13348 (expand_function_start): Don't emit USEs for stupid.
13349 (expand_function_end): Likewise.
13350 * global.c (build_insn_chain): Export.
13351 * integrate.c (expand_inline_function): Kill return-value USE
13353 * jump.c (jump_optimize_1): Do simple jump optimizations and
13354 dead code elimination.
13355 (calculate_can_reach_end): Remove check_deleted argument.
13356 (delete_insn): Patch out insns even when not optimizing.
13357 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
13358 * rtl.h (use_variable, use_variable_after): Remove declarations.
13359 (build_insn_chain): Declare.
13360 * stmt.c (expand_value_return): Don't emit USEs for stupid.
13361 (expand_end_bindings): Likewise.
13362 (expand_decl): Likewise. Consult optimize not obey_regdecls.
13363 * toplev.c (obey_regdecls): Remove.
13364 (rest_of_compilation): Don't set it. Kill stupid in favour of
13365 flow1, local-alloc, and reload.
13366 (main): Don't set obey_regdecls.
13368 * config/nextstep.c (handle_pragma): Likewise.
13370 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
13372 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
13374 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13376 * alpha-protos.h: PROTO -> PARAMS.
13377 * alpha.c: Likewise.
13379 * h8300.c: Likewise.
13380 * i386-protos.h: Likewise.
13381 * i386.c: Likewise.
13382 * m32r-protos.h: Likewise.
13383 * m32r.c: Likewise.
13384 * mips.c: Likewise.
13385 * mips.md: Likewise.
13386 * gmon-sol2.c: Likewise.
13387 * sparc.c: Likewise.
13389 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13391 * ns32k-protos.h: New file.
13393 * ns32k.c: Fix compile time warnings.
13395 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
13398 * ns32k.md: Likewise.
13400 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13402 * vax-protos.h: New file.
13404 * vax.c: Fix compile time warnings.
13406 * vax.h: Move prototypes to vax-protos.h. Fix compile time
13409 * vax.md: Likewise.
13411 * vaxv.md: Likewise.
13413 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13415 * romp-protos.h: New file.
13417 * romp.c: Fix compile time warnings.
13419 * romp.h: Move prototypes to romp-protos.h. Fix compile time
13422 * romp.md: Likewise.
13424 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13426 * we32k-protos.h: New file.
13428 * we32k.c: Fix compile time warnings.
13430 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
13433 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13435 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
13437 * except.c (eh_regs): Likewise.
13439 * final.c (output_operand): Likewise.
13441 * fold-const.c (target_isinf, target_isnan): Likewise.
13443 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
13445 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
13446 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
13448 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
13449 when optimize_size.
13450 (clrstrsi): Rewrite.
13451 (strsethi, strsetqi): New expanders.
13452 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
13453 (cmpstrsi): Emit compare insn before cmpstrsi_1
13454 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
13455 (strlensi_1): Likewise.
13456 (cmpstrsi_1): Likewise; do not output compare.
13457 (strlen expander): Do not unroll when optimizing for size.
13458 (*subsi3_carry): Rename to subsi3_carry
13459 (addqi3_cc): New pattern.
13460 * i386.h (processor_costs): Add move_ratio field.
13461 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
13462 * i386.c (*_cost): Set move_ratio.
13463 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
13464 (x86_expand_strlensi_1): Rewrite the main loop.
13466 2000-01-17 Richard Henderson <rth@cygnus.com>
13468 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
13469 * cse.c (find_comparison_args, fold_rtx): Likewise.
13470 * integrate.c (subst_constants): Likewise.
13471 * loop.c (get_condition): Likewise.
13473 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
13475 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
13477 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13479 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
13480 (RESTORE_WARN_FLAGS): Unpack it.
13481 Change semantic type of extension to ttype.
13482 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
13483 * c-parse.y, c-parse.c, objc/objc-parse.y,
13484 objc/objc-parse.c: Regenerate.
13486 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
13488 * fixinc/fixlib.c: Add copyright notice.
13489 (compile_re): New function.
13490 * fixinc/fixlib.h: Prototype compile_re.
13492 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
13493 Use compile_re to compile regular expressions.
13495 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
13496 where the pattern matched.
13498 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
13500 (ultrix_ansi_compat): Likewise.
13501 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
13503 (interactv_add2, interactv_add3): Delete.
13504 (x11_sprintf): Don't use filename glob.
13505 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
13508 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13510 * print-rtl.c: PROTO -> PARAMS.
13511 * real.c: Likewise.
13512 * reg-stack.c: Likewise.
13513 * resource.c: Likewise.
13514 * sdbout.h: Likewise.
13515 * simplify-rtx.c: Likewise.
13516 * stor-layout.c: Likewise.
13517 * stupid.c: Likewise.
13518 * xcoffout.c: Likewise.
13519 * xcoffout.h: Likewise.
13521 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13523 * toplev.c: PROTO -> PARAMS.
13524 * toplev.h: Likewise.
13525 * tree.c: Likewise.
13526 * tree.h: Likewise.
13527 * unroll.c: Likewise.
13528 * varasm.c: Likewise.
13529 * varray.c: Likewise.
13530 * varray.h: Likewise.
13532 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13534 * reload.c: PROTO -> PARAMS.
13535 * reload.h: Likewise.
13536 * reload1.c: Likewise.
13537 * reorg.c: Likewise.
13538 * resource.h: Likewise.
13541 * rtlanal.c: Likewise.
13542 * sbitmap.h: Likewise.
13543 * sdbout.c: Likewise.
13544 * stack.h: Likewise.
13545 * stmt.c: Likewise.
13546 * system.h: Likewise.
13548 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13550 * machmode.h: PROTO -> PARAMS.
13551 * mbchar.h: Likewise.
13552 * mips-tdump.c: Likewise.
13553 * mips-tfile.c: Likewise.
13554 * optabs.c: Likewise.
13555 * output.h: Likewise.
13556 * prefix.c: Likewise.
13557 * profile.c: Likewise.
13558 * protoize.c: Likewise.
13559 * real.h: Likewise.
13560 * recog.c: Likewise.
13561 * recog.h: Likewise.
13562 * regclass.c: Likewise.
13563 * regmove.c: Likewise.
13564 * regs.h: Likewise.
13566 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13568 * ggc-common.c: PROTO -> PARAMS.
13569 * ggc-page.c: Likewise.
13570 * ggc-simple.c: Likewise.
13572 * global.c: Likewise.
13573 * graph.c: Likewise.
13574 * gthr-win32.h: Likewise.
13575 * haifa-sched.c: Likewise.
13576 * halfpic.h: Likewise.
13577 * integrate.c: Likewise.
13578 * integrate.h: Likewise.
13579 * jump.c: Likewise.
13581 * local-alloc.c: Likewise.
13582 * loop.c: Likewise.
13583 * loop.h: Likewise.
13585 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13587 * genattr.c: PROTO -> PARAMS.
13588 * genattrtab.c: Likewise.
13589 * gencheck.c: Likewise.
13590 * gencodes.c: Likewise.
13591 * genconfig.c: Likewise.
13592 * genemit.c: Likewise.
13593 * genextract.c: Likewise.
13594 * genflags.c: Likewise.
13595 * gengenrtl.c: Likewise.
13596 * genopinit.c: Likewise.
13597 * genoutput.c: Likewise.
13598 * genpeep.c: Likewise.
13599 * genrecog.c: Likewise.
13601 2000-01-16 Mark Mitchell <mark@codesourcery.com>
13603 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
13605 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13607 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
13608 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
13609 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
13610 * configure, config.in: Rebuilt.
13612 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
13614 * config/i386/i386.md: Add peephole to merge successive stack
13617 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
13619 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
13620 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
13621 when walking backwards to find all the parameter loads when
13622 the basic block ends in a call.
13624 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13626 * loop.c (this_loop_info): Delete.
13627 (uid_loop): Add in place of uid_loop_num. All uses updated.
13628 (loop_number_exit_count): Delete and replace with entry in loop
13629 structure. All uses updated.
13630 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
13631 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
13632 (loop_outer_loop): Likewise.
13633 (loop_invalid, loop_number_exit_labels): Likewise.
13634 (loop_used_count_register): Delete and replace with entry in
13635 loop_info structure.
13636 (find_and_verify_loops): Add loops argument.
13637 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
13638 loop_end, etc. arguments with loop structure pointer. All callers
13640 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
13641 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
13642 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
13643 (insert_bct): Likewise.
13644 (basic_induction_var): New argument level.
13645 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
13646 vtop, and cont. Add used_count_register.
13647 (uid_loop): Delete declaration.
13648 (loop_number_exit_count): Likewise.
13649 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
13650 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
13651 (loop_outer_loop, loop_used_count_register): Likewise.
13652 (loop_invalid, loop_number_exit_labels): Likewise.
13653 (unroll_loop): Replace loop_start and loop_end arguments
13654 with loop structure pointer.
13655 (loop_precondition_p, loop_iterations): Likewise.
13656 Include basic-block.h.
13657 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
13658 with loop structure pointer.
13659 (loop_precondition_p, loop_iterations): Likewise.
13660 * basic-block.h (struct loop): New entries vtop, cont,
13661 cont_dominator, start, end, top, scan_start, exit_labels,
13663 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
13665 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
13667 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
13669 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
13671 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
13673 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13675 * pdp11-protos.h: New file.
13677 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
13680 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
13683 * pdp11.md: Likewise.
13685 * 2bsd.h: Likewise.
13687 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13689 * mn10300-protos.h: New file.
13691 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
13694 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
13697 * mn10300.md: Likewise.
13699 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13701 * mn10200-protos.h: New file.
13703 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
13706 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
13709 * mn10200.md: Likewise.
13711 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13713 * h8300-protos.h: New file.
13715 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
13718 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
13721 * h8300.md: Likewise.
13723 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13725 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
13726 (asm_emit_uninitialised): Likewise.
13728 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
13730 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
13731 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
13733 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
13735 * config/mips/mips.c (override_options): Don't turn on extra
13736 alignment for mips16.
13738 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
13740 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
13741 eabi, and make sure queued POSTINCREMENT rtl is emitted at
13744 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
13746 * builtins.c (PAD_VARARGS_DOWN): Define.
13747 (std_expand_builtin_va_arg): Use the above macro.
13748 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
13749 * tm.texi (Register Arguments): Document the above macro.
13751 2000-01-14 Nick Clifton <nickc@cygnus.com>
13753 * emit-rtl.c (emit_insn): If checking is enabled, make sure
13754 that this function has not been used to emit a jump
13757 * jump.c (return_jump_1): Cope with being passed a null rtx.
13759 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13761 * eh-common.h: PROTO -> PARAMS.
13762 * emit-rtl.c: Likewise.
13763 * errors.c: Likewise.
13764 * errors.h: Likewise.
13765 * except.c: Likewise.
13766 * except.h: Likewise.
13767 * explow.c: Likewise.
13768 * expmed.c: Likewise.
13769 * expr.c: Likewise.
13770 * expr.h: Likewise.
13771 * final.c: Likewise.
13772 * fix-header.c: Likewise.
13773 * flow.c: Likewise.
13774 * fold-const.c: Likewise.
13775 * function.c: Likewise.
13776 * function.h: Likewise.
13778 * gcov-io.h: Likewise.
13779 * gcov.c: Likewise.
13780 * gcse.c: Likewise.
13782 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13784 * sh-protos.h: New file.
13786 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
13787 Add static prototypes. Fix compile time warnings.
13789 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
13793 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13795 * arc-protos.h: New file.
13797 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
13800 * arc.h: Move prototypes to arc-protos.h. Fix compile time
13803 * arc.md: Likewise.
13805 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13807 * dsp16xx-protos.h: New file.
13809 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
13812 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
13815 * dsp16xx.md: Likewise.
13817 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13819 * convex-protos.h: New file.
13821 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
13824 * convex.h: Move prototypes to convex-protos.h. Fix compile time
13827 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13829 * elxsi-protos.h: New file.
13831 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
13834 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
13837 * elxsi.md: Likewise.
13839 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
13841 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
13842 case for moving from HI/LO/HI_LO_REG. This makes the behavior
13843 match the comment for MIPS16.
13845 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
13847 * flow.c (split_edge): Do not call set_block_for_insn if we
13848 do not have a basic_block_for_insn structure.
13850 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
13851 and destination functions are 32bit aligned within the trampoline.
13852 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
13853 (TRAMPOLINE_ALIGNMENT): Define.
13855 * cse.c (cse_insn): When changing (set (pc) (reg)) to
13856 (set (pc) (label_ref)), verify the change creates a valid insn.
13858 * fr30.c (call_operand): Tighten and rework to match rules for
13859 call RTL expressions.
13860 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
13861 * fr30.md (call patterns): Improve constraints.
13863 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
13865 * fr30.c (fr30_expand_epilogue): Revert last change.
13866 Use emit_jump_insn for the return insn.
13868 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
13869 Stan Cox <scox@cygnus.com>
13871 * predict.c: New file. Preliminary infrastructure work for static
13872 branch prediction and basic block reordering.
13873 * basic-block.h: Add prototype for estimate_probability.
13874 * Makefile.in: Add rules for predict.o.
13876 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
13878 * fixincludes (va_list): Use __not_va_list__ for the dummy.
13879 * fixinc/*: Likewise.
13881 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13883 * cccp.c: PROTO -> PARAMS.
13884 * cexp.y: Likewise.
13885 * collect2.c: Likewise.
13886 * combine.c: Likewise.
13887 * convert.h: Likewise.
13889 * dbxout.c: Likewise.
13890 * dbxout.h: Likewise.
13891 * diagnostic.c: Likewise.
13892 * doprint.c: Likewise.
13893 * dwarf2out.c: Likewise.
13894 * dwarf2out.h: Likewise.
13895 * dwarfout.c: Likewise.
13896 * dwarfout.h: Likewise.
13897 * dyn-string.h: Likewise.
13899 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13901 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
13902 macro conditionals guarding use.
13904 * dwarf2out.c: Include "tm_p.h".
13906 * function.c (locate_and_pad_parm): Mark parameter with
13908 (expand_function_end): Likewise for variable `context'.
13910 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
13912 2000-01-13 Nick Clifton <nickc@cygnus.com>
13914 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
13915 register to prevent compile time warnings.
13917 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
13919 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
13920 to avoid -Wtraditional warning.
13922 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13924 * 1750a-protos.h: New file.
13926 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
13929 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
13932 * 1750a.md: Likewise.
13934 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13936 * a29k-protos.h: New file.
13938 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
13941 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
13944 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13946 * clipper-protos.h: New file.
13948 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
13951 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
13954 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13956 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
13958 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
13960 * configure.in (--enable-new-gxx-abi): New option.
13961 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
13962 * Makefile.in (GXX_ABI_FLAG): New variable.
13963 * configure: Regenerate.
13965 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13967 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
13968 * tm.texi (FORCE_STRUCT_BLK): Document.
13969 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
13971 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
13973 * config/ns32k/ns32k.md: Revert Jan 9 change.
13975 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
13976 to a mode-test, if the predicate is address_operand.
13978 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
13980 * combine.c (if_then_else_cond): Be careful about what kinds
13981 of RTL expressions are passed to operand_subword.
13983 * flow.c (split_edge): If we have to insert a new jump, make
13984 sure to associate it with a basic block.
13986 * flow.c (commit_one_edge_insertion): A block with one successor
13987 can end in a JUMP_INSN that is not a simplejump.
13989 2000-01-12 Robert Lipe <robertl@sco.com>
13991 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
13992 (BUILD_VA_LIST_TYPE): Define.
13993 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
13996 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
13998 * cccp.c (do_pragma): Add cast to (char *).
14000 2000-01-12 Richard Henderson <rth@cygnus.com>
14001 Fred Fish <fnf@be.com>
14002 Jason Merrill <jason@cygnus.com>
14004 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
14005 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
14006 * i386/beos-elf.h, i386/beos-pe.h: New files.
14008 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
14009 * cross-make (SYSTEM_HEADER_DIR): Define using
14010 CROSS_SYSTEM_HEADER_DIR.
14012 * gcc.c (LIBRARY_PATH_ENV): Provide default.
14013 (process_command): Use it.
14014 (main): Likewise. Kill trailing = from env vars.
14015 (build_search_list): Put it back.
14016 * collect2.c (main): Use LIBRARY_PATH_ENV.
14018 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
14019 * toplev.c: Use NEED_DECLARATION_ENVIRON.
14021 * tm.texi (Frame Layout): Document SMALL_STACK.
14022 * c-common.c (c_common_nodes_and_builtins): Check it.
14024 * system.h: Undef alloca after including glibc's <stdlib.h>,
14025 if USE_C_ALLOCA is defined.
14027 * gcc.c (set_input): New fn.
14028 (main): After all input files are compiled, reset the input file
14031 * aclocal.m4 (rindex, index): If already defined, don't attempt
14034 * ginclude/varargs.h: (__va_list__): Define ifndef.
14035 * ginclude/stdarg.h: Likewise.
14037 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
14038 instead of unsigned char.
14040 * hash.h (true, false, boolean): Undef before enum.
14042 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
14043 proper type of "HOST_WIDE_INT *", rather than their natural type of
14044 "unsigned HOST_WIDE_INT *".
14046 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14048 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
14050 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
14052 * regclass.c (choose_hard_reg_mode): Likewise.
14054 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
14056 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
14058 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14060 * c-common.c: PROTO -> PARAMS.
14061 * c-common.h: Likewise.
14062 * c-decl.c: Likewise.
14063 * c-iterate.c: Likewise.
14064 * c-lang.c: Likewise.
14065 * c-lex.c: Likewise.
14066 * c-lex.h: Likewise.
14067 * c-parse.in: Likewise.
14068 * c-pragma.c: Likewise.
14069 * c-pragma.h: Likewise.
14070 * c-tree.h: Likewise.
14071 * c-typeck.c: Likewise.
14072 * objc/objc-act.c: Likewise.
14073 * objc/objc-act.h: Likewise.
14075 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14077 * m88k-protos.h: New file.
14079 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
14082 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
14084 * m88k.md: Likewise.
14086 * tekXD88.h: Likewise.
14088 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14090 * m68k-protos.h: New file.
14092 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
14095 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
14097 * mot3300.h: Likewise.
14099 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
14101 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
14103 (extract_bitlist): Declare bitlen.
14105 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
14107 * cccp.c: Accept and ignore -lang-fortran.
14109 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
14110 qualifiers don't match at any level of pointerness.
14112 2000-01-12 Robert Lipe <robertl@sco.com>
14114 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
14116 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
14118 * reload1.c (reload_reg_unavailable): New static variable.
14119 (reload_reg_free_p): Test it.
14120 (reload_reg_free_for_value_p): Test it instead of
14122 (choose_reload_regs_init): Compute it.
14124 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
14126 * reorg.c (fill_slots_from_thread): Check modified_in_p
14129 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
14131 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
14132 these nodes even if INTERNALS is not set.
14134 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
14136 * gcse.c (delete_null_pointer_checks_1): Cope when
14137 get_condition cannot determine the condition.
14139 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
14141 * toplev.h (set_message_length): Declare.
14143 * diagnostic.c (obstack_chunk_alloc): Define macro.
14144 (obstack_chunk_free): Likewise.
14145 (struct output_buffer): New data structure.
14146 (vmessage): Remove.
14147 (output_maximum_width): New variable.
14148 (doing_line_wrapping, set_message_length, init_output_buffer,
14149 get_output_prefix, output_space_left, emit_output_prefix,
14150 output_newline, output_append, output_puts, dump_output,
14151 vbuild_message_string, build_message_string, build_location_prefix,
14152 voutput_notice, output_printf, line_wrapper_printf,
14153 vline_wrapper_message_with_location): New functions. Implement
14154 automatic line wrapping.
14155 (v_message_with_decl): Make it handle automatic line wrapping.
14156 (v_error_with_file_and_line): Likewise.
14157 (v_warning_with_file_and_line): Likewise.
14158 (announce_function): Likewise.
14159 (default_print_error_function): Likewise.
14161 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
14163 * cpplib.h (struct cpp_options): Change lang_asm to char.
14165 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
14166 done in cpp_handle_option now.
14167 (initialize_builtins): Take out special case code used only by
14169 (cpp_handle_option): Turn off trigraphs and trigraph warnings
14170 if -traditional. Recognize -lang-fortran and set
14171 lang_fortran, also turn off cplusplus_comments.
14172 (print_help): Document -lang-fortran.
14173 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
14174 lang_asm. Ignore all directives other than `# 123 "file"' if
14176 (cpp_get_token): If -traditional, don't recognize directives
14177 unless the # is in column 1.
14178 (parse_string): If lang_fortran or lang_asm, silently
14179 terminate strings ('' or "") at end of line.
14180 Remove unnecessary braces.
14182 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14183 Richard Henderson <rth@cygnus.com>
14185 * resource.c (mark_referenced_resources): Mark a set strict_low_part
14187 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
14188 strict_low_part when possible.
14190 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14192 * alias.c: PROTO -> PARAMS.
14193 * basic-block.h: Likewise.
14194 * bitmap.c: Likewise.
14195 * bitmap.h: Likewise.
14196 * builtins.c: Likewise.
14197 * c-aux-info.c: Likewise.
14198 * caller-save.c: Likewise.
14199 * calls.c: Likewise.
14201 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14203 * Makefile.in (toplev.o): Depend on regs.h.
14205 * output.h (tdesc_section): Prototype.
14207 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
14209 * sdbout.c: Include "tm_p.h".
14211 * toplev.c: Include "regs.h".
14213 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
14215 * unroll.c (unroll_loop): Add EH support.
14217 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14219 * pa-protos.h: New file.
14221 * pa.c: Include recog.h and tm_p.h.
14222 (compute_zdepwi_operands, compute_movstrsi_length,
14223 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
14224 find_addr_reg, import_milli): Add static prototypes.
14225 (pa_cpu_string, pa_arch_string): Constify a char*.
14226 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
14227 (read_only_operand): Add argument `mode'.
14228 (singlemove_string, output_move_double, output_fp_move_double,
14229 output_block_move, output_and, output_ior, output_ascii,
14230 remove_useless_addtr_insns, milli_names, output_mul_insn,
14231 output_div_insn, output_mod_insn, output_arg_descriptor,
14232 output_cbranch, output_bb, output_bvb, output_dbra, ,
14233 output_millicode_call, output_call, hppa_encode_label,
14234 output_parallel_movb, output_parallel_addb): Constify a char*.
14235 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
14236 (output_parallel_addb): Remove extra arg to `constrain_operands'
14238 * pa.h: Move all prototypes to pa-protos.h.
14239 (pa_cpu_string, pa_arch_string): Constify a char*.
14240 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
14242 * pa.md: Call `function_label_operand' with mode argument.
14243 Likewise for `read_only_operand'.
14244 Fix nesting of parens in call to `symbolic_operand'.
14246 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14248 * i860-protos.h: New file.
14250 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
14253 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
14255 * i860.md: Likewise.
14257 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
14259 * i386.md (movstrsi expander): Rewrite.
14260 (movstrsi_1 insn): Deleted.
14261 (strmovhi, strmovqi expander): New expanders.
14262 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
14263 * i386.c (x86_single_stringop): New global variable.
14264 * i386.h (x86_single_stringop): Declare.
14265 (TARGET_SINGLE_STRINGOP): New macro.
14267 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
14269 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
14270 integer vararg POSTINCREMENT before the destination of the jump
14271 for the hard fp case.
14272 (function_arg_pass_by_reference): Pass a copy of CUM to
14275 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
14276 for CONSTANT_ADDRESS_P above while loop for subreg.
14278 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
14280 * flow.c (propagate_block): When a prologue/epilogue insn
14281 is marked dead, unconditionally clear libcall_is_dead and
14282 insn_is_dead, and only dump rtl if warnings aren't being
14285 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
14287 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
14288 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
14289 (FIXED_REGISTERS): Set dirflag as fixed.
14290 (CALL_USED_REGISTERS): Set dirflag as used.
14291 (REG_ALLOC_ORDER): Set dirflag as last one.
14292 (DIRFLAG_REG): New macro.
14293 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
14294 (HI_REGISTER_NAMES): Add dirflag.
14295 (DEBUF_PRINT_REG): Handle dirflag.
14296 * i386.md (type attribute): New cld and str types.
14297 (length_opcode attribute): Set cld and str to 1.
14298 (memory attribute): Set str to unknown - it is not clear from the
14300 (pent_np function unit): Prefixed string operations takes 12 cycles
14301 minimally; cld takes 2 cycles.
14302 (ppro_uops attribute): Str is "many" and cld is "few".
14303 (ppro_p0 unit): Handle cld here.
14304 (k6_alux unit): Handle cld and str types.
14305 (k6_load unit): It is ocupied by str opcodes.
14306 (k6_store unit): It is ocupied by str opcodes.
14307 (athlon_decode): Str is vector decoded.
14308 (athlon_ieu): Handle str and cld.
14309 (cld pattern): New.
14310 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
14311 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
14312 cmpstrsi_nz_1 insn): Do not output cld instruction
14314 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
14316 * gcc.texi (G++ and GCC): Add Java and Chill.
14317 (Bug Critera): Don't list languages.
14319 * gcc.texi (Incompatibilities): No longer claim most C compilers
14322 * gcc.texi (G++ and GCC): Update other front-ends list.
14324 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
14326 * i386.c (ix86_expand_setcc): Fix typo.
14327 (ix86_expand_movcc): Similarly.
14329 * Band-aid until haifa's bitset implementation is nuked.
14330 * haifa-sched.c (extract_bitlst): New parameter for size of the
14331 bitset in bits. All callers changed. Avoid looking at undefined
14332 bits in the bitset.
14333 (edgeset_bitsize): New variable.
14334 (schedule_region): Initialize edgeset_bitsize.
14336 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14338 * Makefile.in (optabs.o): Depend on real.h
14339 (resource.o): Depend on insn-attr.h
14341 * builtins.c (result_vector): Wrap prototype in macro conditions
14342 governing definition and use.
14344 * c-common.c: Include tm_p.h.
14346 * c-lex.c: Likewise.
14348 * elfos.h: Constify a char*.
14350 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
14351 (get_attr_length, shorten_branches, profile_after_prologue): Mark
14352 parameter with ATTRIBUTE_UNUSED.
14354 * fold-const.c (exact_real_inverse): Wrap variable `i' in
14357 * haifa-sched.c (schedule_insns): Mark parameter with
14360 * optabs.c: Include real.h.
14362 * real.h (ereal_atof): Add prototype arguments.
14364 * resource.c: Include insn-attr.h.
14366 * sdbout.c (sdbout_queue_anonymous_type,
14367 sdbout_dequeue_anonymous_types): Wrap in macro
14368 SDB_ALLOW_FORWARD_REFERENCES.
14369 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
14372 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
14374 * stupid.c: Include tm_p.h.
14376 * tree.c (real_value_from_int_cst): Mark parameter with
14379 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14381 * i960-protos.h: New file.
14383 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
14386 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
14388 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14390 * combine.c (expand_field_assignment): Do not discard SUBREGs
14391 while computing nonzero_bits.
14393 2000-01-09 Nick Clifton <nickc@cygnus.com>
14395 * config/arm/arm.c: Fix compile time warnings about signed vs
14396 unsigned constants.
14397 * config/arm/arm.h: Fix compile time warnings about signed vs
14398 unsigned constants.
14400 2000-01-09 Philip Blundell <philb@gnu.org>
14402 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
14403 than `ldm' with only one register.
14404 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
14407 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
14410 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
14412 * config/ns32k/ns32k.md (load or push effective address): Operand 1
14415 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14417 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
14418 assignment used as truth value.
14420 * function.c (assign_temp): Mark parameter `dont_promote' with
14421 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
14422 PROMOTE_FOR_CALL_ONLY.
14424 * genrecog.c (write_subroutine): Mark variable `operands' with
14427 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
14430 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
14431 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
14433 * toplev.c (note_deferral_of_defined_inline_function): Likewise
14436 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14438 * config/c4x.h: Tidy up comments.
14439 * config/c4x.c: Likewise.
14441 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
14443 * fold-const.c (lshift_double, rshift_double): Handle
14444 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
14446 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14448 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
14449 in prepare_function_start().
14451 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
14453 * config/v850/v850.c (expand_epilogue): Interrupt functions no
14454 longer allocate extra stack for function calls.
14456 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14458 * config/c4x/c4x.md (*subqf3_set): Fix typo.
14460 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14462 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
14464 2000-01-07 David Edelsohn <edelsohn@gnu.org>
14466 * rs6000.c (processor_target_table): Add power3 as alias for 630.
14467 * aix43.h: Revert Aug 2 change.
14468 (HAS_INIT_SECTION): Define, not visible yet.
14469 (LD_INIT_SWITCH): Define, not visible yet.
14470 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
14472 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
14474 * collect2.c (main): Expand ld2 size further.
14475 (export_object_lst): Cast assignment to avoid warning.
14476 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
14477 (scan_prog_file, COFF): Do not collect initialization or
14478 finalization functions generated for entire shared object if
14479 init/fini support present.
14481 2000-01-07 Nick Clifton <nickc@cygnus.com>
14483 * config/elfos.h: Tidy up formatting of marcos. Make sure
14484 that .section directives are always prefixed by a tab.
14486 * config/svr4.h: Add #include "elfos.h" and remove duplicate
14489 2000-01-07 Matt Austern <austern@sgi.com>
14491 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
14494 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
14496 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
14498 (crtbegin.o, s-crtS): Likewise.
14500 2000-01-06 Richard Henderson <rth@cygnus.com>
14502 * alpha.md (adddi_2+1): Limit offset such that it will be
14503 loadable with a single ldah+lda pair.
14504 (adddi_2+2): Explicitly fail split if we can't make it work.
14506 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
14508 * protoize.c: Conditionally include unistd.h.
14509 (IS_SAME_PATH_CHAR): New macro.
14510 (IS_SAME_PATH): New macro.
14511 (CPLUS_FILE_SUFFIX): New macro.
14512 (cplus_suffix): New static variable.
14513 (is_abspath): New static function.
14514 (in_system_include_dir): Handle DOS style pathnames.
14515 (file_could_be_converted): Likewise.
14516 (file_normally_convertible): Likewise.
14517 (directory_specified_p): Likewise.
14518 (file_excluded_p): Likewise.
14519 (abspath): Likewise.
14520 (shortpath): Likewise.
14521 (referenced_file_is_newer): Likewise.
14522 (save_def_or_dec): Likewise.
14523 (do_processing): Likewise.
14525 (edit_file): Likewise. Use rename instead of link.
14526 (rename_c_file): Likewise. Don't rename syscalls file.
14527 (munge_compile_params): Define null device for DOS based systems.
14528 (process_aux_info_file): Use binary mode if appliable.
14529 (edit_file): Likewise.
14530 * invoke.texi (Running Protoize): Document C++ suffixes used.
14532 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
14533 IS_DIR_SEPARATOR macros.
14534 * collect2.c: Likewise.
14535 * cppinit.c: Likewise.
14536 * dwarf2out.c: Likewise.
14538 * gcov.c: Likewise.
14539 * prefix.c: Likewise.
14541 * toplev.c: Likewise.
14542 * system.h: And move to here.
14544 * prefix.c (update_path): Fix typo in variable name.
14546 2000-01-06 Richard Henderson <rth@cygnus.com>
14548 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
14549 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
14550 (count_reg_sets_1, count_reg_references): Likewise.
14551 (flow_loops_level_compute): Start counting actual loop depth at 1.
14552 (flow_loops_find): Likewise.
14553 * local-alloc.c (update_equiv_regs): Likewise.
14554 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
14556 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
14558 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
14559 FIRST_PSEUDO_REGISTER
14560 * dwarf2out.c: Don't include frame.h
14561 * dwarfout.c: Likewise
14562 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
14565 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
14567 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
14570 * i386.c (movsf splitter): Fix typo in my last checkin.
14572 2000-01-05 Nick Clifton <nickc@cygnus.com>
14574 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
14575 own definition of this macro.
14576 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
14577 flag_data_sections or UNIQUE_SECTION_P are true.
14579 * tm.texi (UNIQUE_SECTION): Document that it can be called for
14580 unitialised data decls.
14582 * config/i386/winnt.c (i386_pe_unique_section): Cope with
14583 being called for uninitialised data.
14585 * config/i386/interix.c (i386_pe_unique_section): Cope with
14586 being called for uninitialised data.
14588 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
14589 for uninitialised data.
14591 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
14592 for uninitialised data.
14594 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
14595 for uninitialised data.
14597 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
14598 (UNIQUE_SECTION_P): Always generate a unique section if
14599 flag_data_sections is true.
14600 (UNIQUE_SECTION): Also generate unique sections for
14601 uninitialised data.
14602 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
14603 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
14606 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14608 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
14611 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14613 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
14614 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
14615 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
14616 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
14617 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
14619 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
14621 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
14623 * c-decl.c (finish_enum): Simplify code to determine minimum and
14624 maximum values of the enum, and calculate the type. Remove check
14625 for FUNCTION_DECLs in the values list, which cannot happen. Replace
14626 the DECL_INITIAL of each enumeration constant with a copy converted
14627 to the enumeration type. When updating variant types, don't bother
14628 updating the type itself.
14630 * c-typeck.c (build_binary_op): Simplify conditional expressions
14631 when weeding out spurious signed-unsigned warnings. Add new
14632 spurious warning category: if the unsigned quantity is an enum
14633 and its maximum value fits in signed_type(result_type). Update
14635 (build_conditional_expr): Warn here if one alternative is signed
14636 and the other is unsigned.
14638 2000-01-05 Nick Clifton <nickc@cygnus.com>
14640 * config/fr30/fr30.h: Remove extraneous comments.
14642 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
14644 * reload1.c (choose_reload_regs): When disabling a reload, also
14645 set reload_spill_index to -1.
14647 2000-01-04 Joel Sherrill (joel@OARcorp.com>
14649 * configure.in (m68*-*-rtemscoff*): New target, formal name for
14651 (m68*-*-rtemself*): New target.
14652 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
14653 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
14654 (sparc*-*-rtemself*): New target.
14655 (sparc*-*-rtems*): Now elf not a.out.
14656 * config/i386/rtems.h: Include config/rtems.h.
14657 * config/i386/rtemself.h: Include config/rtems.h.
14658 * config/i960/rtems.h: Include config/rtems.h.
14659 * config/m68k/rtems.h: Include config/rtems.h.
14660 * config/m68k/rtemself.h: Include config/rtems.h.
14661 * config/mips/rtems64.h: Include config/rtems.h.
14662 * config/pa/rtems.h: Include config/rtems.h.
14663 * config/rs6000/rtems.h: Include config/rtems.h.
14664 * config/sh/rtems.h: Include config/rtems.h.
14665 * config/sh/rtemself.h: Include config/rtems.h.
14666 * config/sparc/rtems.h: Include config/rtems.h.
14667 * config/sparc/rtemself.h: Include config/rtems.h
14669 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
14671 * final.c (shorten_branches): Correctly compute length of
14672 asms without operands.
14674 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
14676 * configure.in: Add pj target.
14677 * configure: Regenerate.
14678 * config/pj: New directory.
14679 * config/pj/lib1funcs.S: New file.
14680 * config/pj/linux.h: New file.
14681 * config/pj/pj.c: New file.
14682 * config/pj/pj.md: New file.
14683 * config/pj/pjl.h: New file.
14684 * config/pj/t-pj: New file.
14685 * config/pj/xm-pj.h: New file
14687 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
14689 * toplev.c (rest_of_compilation): Run shorten-branches before
14692 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14694 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
14695 macros so that they're consistent with their names.
14696 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
14697 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
14699 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14701 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
14702 modified inadvertently.
14704 2000-01-04 Joel Sherrill <joel@OARcorp.com>
14706 * configure.in (v850*-*-rtems*): New target.
14707 * configure: Regenerate.
14708 * config/v850/rtems.h: New file.
14710 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
14712 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
14713 (__gthread_key_create): Likewise.
14714 (__gthread_key_dtor): Likewise.
14715 (__gthread_once): Fix logic.
14716 (__gthread_key_delete): Cast away constness.
14718 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
14719 * invoke.texi: Document.
14720 * i386/mingw32.h (CPP_SPEC): Use.
14721 (LIBGCC_SPEC): Likewise.
14722 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
14724 2000-01-04 David Edelsohn <edelsohn@gnu.org>
14726 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
14727 (HANDLE_PRAGMA_PACK): Undefine.
14728 (SLOW_UNALIGNED_ACCESS): Define.
14730 2000-01-04 David Edelsohn <edelsohn@gnu.org>
14732 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
14733 to default definition.
14734 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
14735 (store_fixed_bit_field): Call macro with word_mode and alignment.
14736 (extract_bit_field): Call macro with relevant mode and alignment.
14737 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
14738 to default definition.
14739 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
14741 (move_by_pieces_ninsns): Likewise.
14742 (clear_by_pieces): Likewise.
14743 (emit_push_insn): Likewise.
14744 (store_field): Call macro with relevant mode and alignment.
14745 (expand_expr): Likewise.
14746 (expand_expr_unaligned): Likewise.
14748 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
14749 (SLOW_UNALIGNED_ACCESS): Define.
14750 (CASE_VECTOR_MODE): Always use 32-bit offsets.
14751 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
14752 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
14753 (toc_section): Likewise and .toc pseudo-op.
14754 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
14756 (TEXT_SECTION_ASM_OP): Likewise.
14757 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
14760 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
14761 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
14762 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
14763 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
14764 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
14766 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
14768 * regclass.c: Revert my Jan 4 change to loop cost computation.
14770 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
14772 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
14775 2000-01-04 Stan Cox <scox@cygnus.com>
14777 * haifa-sched.c (build_control_flow): Change unreachable simple
14778 loop test to check if current block has only one predecessor.
14779 (find_rgns): Initialize degree. Use dest as degree index, not src.
14781 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14783 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
14785 * calls.c (expand_call): Likewise for
14786 `old_stack_arg_under_construction'.
14788 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
14790 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
14793 * gcc.c (execute): Likewise for `ut' and `st'.
14795 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
14797 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
14799 * jump.c (jump_optimize_1): Likewise for `temp2'.
14801 * local-alloc.c (block_alloc): Likewise for `r1'.
14803 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
14805 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
14806 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
14808 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
14811 * reload.c (find_reloads): Likewise for `goal_alternative_number'
14812 and `goal_earlyclobber'.
14814 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
14816 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
14818 * stupid.c (stupid_life_analysis): Likewise for `chain'.
14820 * unroll.c (copy_loop_body): Likewise for `copy'.
14822 * varasm.c (output_constructor): Likewise for `byte'.
14824 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
14826 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
14827 all FP constants for constant->reg moves.
14828 (ix86_split_to_parts): Try to convert memory address into immediate
14829 when available in the constant pool.
14830 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
14832 (LEGITIMATE_CONSTANT_P): Return 1.
14833 * i386.md (pushsf): New splitter to convert constant pool memory
14834 reference to immediate.
14835 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
14838 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
14840 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
14841 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
14842 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
14843 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
14844 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
14846 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
14848 * ginclude/stdbool.h: Support compilation as C++.
14850 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14852 * fold-const.c (make_range): Don't try to reverse an unbounded range.
14854 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
14856 * regclass.c (regclass): Properly compute loop_cost. Adjust
14859 * regclass.c: Fix minor whitespace problems.
14861 2000-01-03 Anthony Green <green@cygnus.com>
14863 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
14864 Restore the pic register if required.
14866 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
14868 * c-common.c (format_char_info): Update comment.
14869 (check_format_info): Recognize 'z' modifier in the same way 'Z'
14870 was recognized. Emit warning for formats new in ISO C99 only
14871 if flag_isoc9x is not set.
14873 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
14875 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
14877 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
14879 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
14880 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
14881 (make_compound_operation): Choose cheaper alternative between
14882 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
14884 * regclass.c (op_costs): Remove global variable.
14885 (record_reg_classes): New parameter "op_costs" and "reg_pref".
14886 (record_operand_costs): Break out from ...
14887 (scan_one_insn): ... here.
14888 (dump_regclass): Make dumps nicer.
14889 (regclass): Dump preferrences choosed and changes done during passes.
14891 2000-01-03 Jakub Jelinek <jakub@redhat.com>
14893 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
14895 2000-01-03 Jakub Jelinek <jakub@redhat.com>
14897 * config/sparc/sparc.c (gen_df_reg): New function.
14898 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
14899 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
14900 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
14901 movtf_cc_reg_sp64+1): Use it.
14903 2000-01-02 Mark Mitchell <mark@codesourcery.com>
14905 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
14906 copied LABEL_DECLs.
14908 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
14910 * config/i386/i386.c (ix86_expand_unary_operator): Function
14911 definition made void.
14912 (ix86_expand_binary_operator): Update outdated preceding comment.
14913 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
14916 * config/i386/i386.c (override_options): Fix option-name typo.
14918 2000-01-02 Mark Mitchell <mark@codesourcery.com>
14920 * system.h (CEIL): Define.
14921 * builtins.c (CEIL): Remove.
14922 * expmed.c (CEIL): Likewise.
14923 * expr.c (CEIL): Likewise.
14924 * stor-layout.c (CEIL): Likewise.
14926 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14928 * expr.c (store_constructor_field): Fix typo introduced with last
14931 2000-01-01 Mark Mitchell <mark@codesourcery.com>
14933 * tree.h (BINFO_N_BASETYPES): New macro.
14935 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
14937 * expmed.c (emit_store_flag): Prevent losing a pending stack
14938 adjust the same way we prevent losing queued increments.
14940 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14942 * function.c (update_temp_slot_address): Handle case where sum of
14943 temporary address plus offset in register is a valid address.
14945 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14947 * genrecog.c (change_state) Corrected typo.
14949 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14951 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
14952 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
14953 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
14955 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
14957 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
14958 case, expand GT comparisons correctly. Fix a comment before this
14961 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
14963 * dwarfout.c: Include "frame.h"
14964 * dwarf2out.c: Likewise.
14965 * Makefile.in (dwarfout.o): Depend on frame.h
14966 (dwarf2out.o): Likewise.
14968 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
14970 Restore i386 binary compatibility in Dwarf EH info.
14971 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
14972 value of FIRST_PSEUDO_REGISTER.
14973 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
14974 (struct frame_state): Use DWARF_FRAME_REGISTERS.
14975 * dwarfout.c (output_reg_number): Ditto.
14976 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
14977 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
14979 1999-12-29 Bruce Korb <autogen@linuxbox.com>
14981 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
14982 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
14983 (<hack>_RE_CT): not needed
14984 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
14985 rewritten to scan the file text once only
14986 "template<..." test added
14987 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
14988 (is_cxx_header): declaration added
14989 * fixinc/fixtests.c(is_cxx_header): removed
14990 (apply_fix_p_t): removed
14991 (double_slash_test): is_cxx_header is only called once now
14992 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
14993 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
14994 within the templates.
14995 The borken spelling of "broken" was fixed.
14996 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
14997 The default level depends on FIXINC_DEBUG.
14999 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15001 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
15002 Otherwise provide a declaration for atexit.
15003 (init_dummy): Make sure dummy call to atexit is nevertheless
15004 called with correct number of args.
15006 * frame.c: Update comments referring to other files.
15008 * libgcc2.c: Likewise.
15010 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15012 * cse.c (free_element, get_element): Remove unused prototypes.
15014 * fold-const.c (extract_muldiv): Initialize variables `op0' and
15017 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
15020 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
15022 * configure.in,configure: case arm for mn10200-*-* now sets
15023 float_format=i32 so that float.h will correctly claim "double"
15024 to be 32 bits. Ran autoconf to generate configure from .in file.
15026 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
15028 * pa.md (conditional zero): If op1 is a register, force it into
15029 the same register as op0.
15031 1999-12-28 Mark Mitchell <mark@codesourcery.com>
15033 * tree.h (BINFO_BASETYPES): Improve documentation.
15035 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15037 * configure.in (--enable-checking): Use a more portable `for'
15040 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15042 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
15043 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
15045 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
15048 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
15049 Delete descriptions.
15051 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
15052 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
15053 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
15054 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
15055 xm-svr4.h: Remove all instances of sys_siglist handling.
15057 1999-12-27 Jakub Jelinek <jakub@redhat.com>
15059 * config/sparc/sparc.md (cmp_zero_qi,
15060 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
15061 cmp_zero_extendqidi2_andcc_set): New patterns.
15063 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
15065 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
15066 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
15067 (fpgnulib.c, xfgnulib.c): Add rules.
15068 * m68k/t-mot3300-gas: Likewise.
15070 1999-12-27 Ian Lance Taylor <ian@zembu.com>
15072 * configure.in: Avoid [[ by using test and changequote. Add
15073 changequote required by 1999-12-14 change.
15074 * configure: Rebuild.
15076 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
15078 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
15080 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
15082 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
15083 * flow.c (find_use_as_address): Likewise.
15084 * function.c (fixup_var_refs_1): Likewise.
15085 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
15086 * jump.c (invert_exp, redirect_exp): Likewise.
15087 * loop.c (replace_call_address): Likewise.
15088 (count_nonfixed_reads): Likewise.
15089 * rtlanal.c (modified_between_p): Likewise.
15090 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
15091 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
15092 * unroll.c (remap_split_bivs): Likewise.
15094 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15096 * diagnostic.c (v_message_with_decl): Use .* format specifier
15097 instead of building the format specifier width manually.
15099 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
15100 determining whether to provide a prototype. Remove the
15101 sys_siglist clause in the conditional.
15103 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
15105 * fold-const.c (operand_equal_p): Use memcmp to compare string
15107 Suggested by D. J. Bernstein
15109 1999-12-17 Jakub Jelinek <jakub@redhat.com>
15111 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
15112 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
15114 * config/mips/mips.h (TARGET_64BIT): Likewise.
15115 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
15116 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
15117 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
15118 dsps. Give routines proper names if SI/DI modes are not used.
15119 * longlong.h: Use DWunion instead of DIunion.
15121 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
15123 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
15124 GC_CHECKING, GC_ALWAYS_COLLECT.
15125 * configure.in: Allow --enable-checking with an argument
15126 listing check modes to enable.
15127 * config.in, configure: Rebuilt.
15128 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
15129 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
15130 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
15131 ENABLE_GC_ALWAYS_COLLECT.
15132 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
15134 * tree.h, tree.c: Change ENABLE_CHECKING to
15135 ENABLE_TREE_CHECKING throughout.
15137 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15139 * fold-const.c (fold_truthop): Properly check for FP RHS.
15141 1999-12-24 Mark Mitchell <mark@codesourcery.com>
15143 * toplev.h (note_deferall_of_defined_inline_function): Declare.
15144 * toplev.c (note_deferral_of_defined_inline_function): New
15145 function, split out from ...
15146 (rest_of_compilation): ... here. Use it.
15148 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15150 * expr.c (store_constructor): Don't call clear_storage if size is
15153 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15155 * Makefile.in (toplev.o): Depend on loop.h.
15157 * dwarfout.c: Include tm_p.h.
15159 * emit-rtl.c (restore_emit_status): Mark parameter with
15162 * final.c (final_scan_insn): Likewise.
15164 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
15165 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
15166 flow_depth_first_order_compute, flow_loop_pre_header_find,
15167 flow_loop_tree_node_add, flow_loops_tree_build,
15168 flow_loop_level_compute, flow_loops_level_compute,
15169 flow_loop_outside_edge_p): Add prototypes.
15170 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
15172 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
15173 Mark with ATTRIBUTE_NORETURN.
15175 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
15177 * local-alloc.c (no_conflict_p): Likewise.
15179 * loop.c (insert_bct): Hide definitions of variables with hidden
15181 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
15183 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
15184 with ATTRIBUTE_UNUSED.
15185 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
15186 (reg_scan): Likewise.
15188 * reload.c (find_reloads): Remove unused variables `changed'.
15190 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
15192 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
15193 Remove unused variable `insn'.
15195 * toplev.c: Include loop.h.
15196 (report_file_and_line): Remove unnecessary prototype.
15198 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
15200 * unroll.c (biv_total_increment): Likewise.
15202 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15204 * reload1.c (emit_input_reload_insns): Restore old behaviour
15205 wrt. 'special' reloads.
15207 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
15209 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
15210 hash.h. (cse.c): Don't depend on hashtab.h.
15212 * cse.c: Don't include hashtab.h.
15213 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
15215 * ggc-simple.c: Don't include hash.h.
15217 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
15219 * dwarf2out.c (add_abstract_origin_attribute): Call
15220 gen_abstract_function on our function context.
15222 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
15224 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
15226 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15228 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
15231 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15233 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
15234 constraints to "a!r".
15236 1999-12-21 Mark Mitchell <mark@codesourcery.com>
15238 * Makefile.in (calls.o): Depend on function.h.
15239 (alias.o): Likewise.
15241 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
15243 * reload1.c (emit_reload_insns): Break out code and variables into...
15244 (input_reload_insns, other_input_address_reload_insns,
15245 other_input_reload_insns, input_address_reload_insns,
15246 inpaddr_address_reload_insns, output_reload_insns,
15247 output_address_reload_insns, outaddr_address_reload_insns,
15248 operand_reload_insns, other_operand_reload_insns,
15249 other_output_reload_insns): ... new static variables, and...
15250 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
15251 do_output_reload): ... new functions.
15253 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15255 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
15257 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15259 * md.texi: Add c4x constraints documentation.
15261 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
15263 * config/i386/dgux.c (struct option): Rename to
15264 lang_independent_option.
15265 (struct m_options): Add description field.
15266 (output_options): Rename option type, add sep declaration, output
15267 ix86_cpu_string and ix86_arch_string only if set.
15268 (output_file_start): Rename option type.
15270 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
15272 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
15274 (libgcc2.a): Similarly.
15276 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
15278 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
15279 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
15280 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
15282 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
15284 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
15285 Remove redundant initialization of "frexpon" and "expon".
15287 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15289 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
15291 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
15292 (store_constructor_field, expand_expr): Pass new arg.
15294 1999-12-20 Mark Mitchell <mark@codesourcery.com>
15296 * Makefile.in (explow.o): Depend on function.h.
15298 * stor-layout.c (set_sizetype): Fix typo.
15300 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
15302 * function.c (cfun): Renamed from current_function. All users
15304 * function.h (cfun): Rename declaration as well.
15306 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
15307 to be of type regset_head, not regset. All users changed by adding
15309 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
15311 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15313 * config/c4x/rtems.h: New file.
15315 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
15317 * reload1.c (spill_failure): Take class of failed reload as argument
15318 and print it. Caller changed.
15320 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15322 * rs6000.h (SUBTARGET_DEFAULT): New macro.
15323 (TARGET_SWITCHES): Allow subtargets to default switches.
15324 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
15326 1999-12-18 Mark Mitchell <mark@codesourcery.com>
15328 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
15331 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
15333 * cccp.c (main): Define __STDC_VERSION__ as necessary.
15334 * cppinit.c (cpp_handle_option): Likewise.
15336 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
15337 determine when to define.
15339 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
15341 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
15342 cmove with mismatched test and data modes.
15344 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
15346 * c-typeck.c (c_expand_start_case): Don't warn for long switch
15349 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15351 * alias.c: Minor reformatting.
15352 * flow.c: Likewise.
15353 * regs.h: Likewise.
15354 * stor-layout.c: Likewise.
15355 * fold-const.c: Likewise.
15356 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
15357 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
15359 (size_int_wide): Cache nodes even if garbage collecting.
15360 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
15361 of SAVE_EXPR has no side effects.
15362 * cse.c: Move a comment.
15363 * tree.c: Minor reformatting.
15364 (int_size_in_bytes): Return -1 if constant overflows.
15366 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15368 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
15370 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
15372 * objc/objc-parse.c: Regenerate. This file must be rebuilt
15373 after any change to c-parse.in, even if objc-parse.y didn't
15376 1999-12-18 David S. Miller <davem@redhat.com>
15378 * toplev.c (rest_of_compilation): Restore BLOCK tree
15379 reconstruction and branch shortening changes lost in
15380 December 18th change.
15382 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
15384 * config/arm/linux-elf.h: Change all instances of
15385 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
15386 * config/arm/uclinux-elf.h: Likewise.
15388 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
15390 * toplev.c (notice, vmessage, v_message_with_file_and_line,
15391 v_message_with_decl, file_and_line_for_asm,
15392 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
15393 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
15394 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
15395 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
15396 pfatal_with_name, fatal_io_error, need_error_newline,
15397 last_error_function, last_error_tick, announce_function,
15398 default_print_error_function, print_error_function,
15399 report_error_function, fnotice, error_with_file_and_line,
15400 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
15401 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
15402 warning_with_decl, warning_for_asm, warning, pedwarn,
15403 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
15405 (compile_file): Use fnotice instead of notice. Adjust call.
15407 * diagnostic.c: New file.
15409 * Makefile.in (OBJS): Include diagnostic.o
15410 (diagnostic.o): Define dependence.
15412 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15414 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
15417 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15419 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
15421 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
15423 * fixtests.c (is_cxx_header): New fn, split out of
15425 (else_endif_label): Allow "#endif // comment" in C++ headers,
15426 as determined by is_cxx_header.
15427 * fixfixes.c (else_endif_label_fix): Update comment.
15428 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
15430 * genfixes: Correct double thinko in commandline parsing.
15431 * hackshell.tpl: Generate correct sh syntax for bypass
15434 * inclhack.def (all): Whenever an inserted preprocessor
15435 conditional is split over multiple lines, use double
15436 backslashes in this file so the fixed header will be readable.
15438 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
15439 and add bypass entry for correct version of this header.
15440 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
15441 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
15443 (hpux8_bogus_inlines): New fix, split from...
15444 (ultrix_atof_param) ... here.
15445 (math_expression): Add bypass entry keyed to glibc comment
15446 indicating the problem has been dealt with; disable
15447 unnecessary sed operations; update commentary.
15448 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
15449 add select and bypass entries, simplify shell operation.
15450 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
15452 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
15453 ultrix_atof_param): Add select entry.
15454 (stdio_va_list, sunos_mather_decl): Add bypass entry.
15455 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
15456 comments with the fixes they describe.
15458 * c-parse.in (string action): Do not warn about ANSI string
15459 concatenation in system headers. Affects C parser only.
15460 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
15462 1999-12-16 Jakub Jelinek <jakub@redhat.com>
15464 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
15465 compiling libgcc2 the macro depends always on arch cpp defines.
15467 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
15469 * loop.c (insert_loop_mem): Don't record MEMs from inside
15472 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
15474 * regclass.c (regclass): Do not use flowgraph when not optimizing.
15476 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
15477 notes too, create one when replacement failed, attempt to simplify
15479 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
15480 or REG_EQUIV notes.
15482 1999-12-16 Mark Mitchell <mark@codesourcery.com>
15484 * crtstuff.c (__dso_handle): Declare.
15485 (__cxa_finalize): Likewise.
15486 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
15489 * invoke.texi: Document -fuse-cxa-atexit.
15491 * tree.h (ptr_type_node): Document.
15492 (const_ptr_type_node): Likewise.
15494 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15496 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
15497 (optimize_reg_copy_2): Likewise.
15498 (optimize_reg_copy_3): Likewise.
15499 (fixup_match_2): Likewise.
15500 (regmove_optimize): Likewise.
15501 (fixup_match_1): Liekwise.
15503 * i386.md (HI to SImode promoting splitters): Rewrite.
15504 (pushsf mem peep2): New.
15505 (testhi to andhi peep2): Remove.
15506 * i386.h (x86_promote_QImode): New.
15507 (TARGET_PROMOTE_QImode): New.
15508 (PREDICATE_CODES): Add promotable_binary_operator.
15509 * i386.c (x86_promote_QImode0: New.
15510 (promotable_binary_operator): New.
15511 * i386-protos.h (promotable_binary_operator): New.
15513 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
15515 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
15517 1999-12-16 Mark Mitchell <mark@codesourcery.com>
15519 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
15520 * function.c (insert_block_after_note): Remove.
15521 (retrofit_block): Likewise.
15522 (identify_blocks): Fix indentation.
15523 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
15524 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
15525 * function.h (insert_block_after_note): Remove prototype.
15526 (retrofit_block): Likewise.
15527 * integrate.c (expand_inline_function): Don't call
15528 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
15529 just expand_start_bindings. Use the block_map to remap old
15530 NOTE_BLOCKs to new ones.
15531 (integrate_decl_tree): Keep track of remapped blocks.
15532 * integrate.h (struct inline_remap): Add block_map.
15533 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
15534 NOTE_BLOCK on the notes.
15535 (expand_start_bindings): Rename to ...
15536 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
15537 (expand_end_bindings): Set NOTE_BLOCK.
15538 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
15539 reconstruct the BLOCK tree.
15540 * tree.h (expand_start_bindings): Macroize. Call ...
15541 (expand_start_bindings_and_block): New function.
15543 1999-12-16 Jakub Jelinek <jakub@redhat.com>
15545 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
15546 to match the format.
15548 1999-12-16 David S. Miller <davem@redhat.com>
15550 * expr.c (emit_move_insn_1): Only emit clobbers if one of
15551 the outputs is a SUBREG.
15552 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
15555 * config/sparc/sparc.c (epilogue_renumber): Add default case
15558 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15560 * toplev.c (rest_of_compilation): Run branch shortening after
15563 * regclass.c (loop_depth): Remove
15564 (scan_one_insn): Do not handle LOOP_NOTE insns.
15565 (regclass): Go through basic blocks and set loop_cost
15567 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
15569 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
15571 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15573 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
15574 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
15575 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
15577 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
15579 * loop.c (insert_loop_mem): Ignore memory clobbers.
15581 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
15584 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
15586 * profile.c: Remove redundant #include "output.h".
15588 * h8300.md (HImode preinc peephole): Fix typo.
15590 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
15592 * function.c (retrofit_block): Abort if we don't find a suitable insn.
15593 (insert_block_after_note): Abort if we don't have a previous block.
15594 Remove FN parameter.
15595 * function.h: Adjust.
15597 1999-12-15 Mark Mitchell <mark@codesourcery.com>
15599 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
15600 argument more than once.
15602 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
15604 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
15606 1999-12-15 Jakub Jelinek <jakub@redhat.com>
15608 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
15610 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15612 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
15613 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
15614 update stack_alignment_needed.
15615 (prepare_function_start): Initialize stack_alignment_needed
15616 * function.h (struct function): Add field stack_alignment_needed.
15618 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15620 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
15621 Handle live_throughout / dead_or_set instead of live_before /
15623 (save_call_clobbered_regs): Get register livenessinformation from
15624 chain->live_throughout.
15625 (add_stored_regs): New function.
15626 (insert_restore, insert_save): Add restored / saved registers to
15628 * global.c (reg_dies): New parameter chain.
15629 (reg_becomes_live): Third parameter is regs_set now.
15630 Changed all callers.
15631 (reg_dies): New parameter chain. Changed all callers.
15632 (build_insn_chain): Set live_throughout instead of
15633 live_before / live_after.
15634 * reload.h (struct insn_chain): Replace members live_before /
15635 live_after with live_throughout / dead_or_set.
15636 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
15637 instead of live_before / live_after.
15638 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
15639 (order_regs_for_reload, find_reg, finish_spills): Likewise.
15640 (choose_reload_regs_init): Likewise.
15641 * stupid.c (current_chain, find_clobbered_regs): Delete.
15642 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
15643 instead of chain->live_before / chain->live_after.
15644 (mark_hard_ref): New function.
15645 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
15647 1999-12-15 David S. Miller <davem@redhat.com>
15649 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
15651 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15653 * flow.c (calculate_loop_depth): Make global, remove prototype,
15654 rewrite to use new loop infrastructure.
15655 (find_basic_block): Remove calculate_loop_depth call.
15656 * toplev.c (rest_of_compilation): Call find_basic_block.
15657 * output.h (calculate_loop_depth): Declare.
15659 * flow.c (dump_flow_info): Dump loop_depth.
15660 (flow_loops_nodes_find): Increase loop_depth for basic block in the
15662 (flow_loops_find): Initialize the loop_depth for each basic block.
15664 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
15666 * tree.c (decl_function_context): Handle virtual functions.
15668 * tlink.c (scan_linker_output): Don't look in demangled name when
15669 looking for linker output keywords.
15671 * dwarfout.c (output_type): We can defer namespace-scope classes.
15673 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
15675 * regclass.c (record_reg_classes): Update comment for merging
15676 register class preferences in reg->reg copies. Tighten conditions
15677 for merging register class preferences in reg->reg copies.
15679 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
15681 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
15683 1999-12-14 Geoff Keating <geoffk@cygnus.com>
15685 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
15686 (INIT_SECTION_ASM_OP): Delete.
15687 (FINI_SECTION_ASM_OP): Delete.
15688 (STARTFILE_SPEC): Define to hold just crtbegin.o.
15690 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
15692 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
15693 the abstract origin wasn't emitted.
15695 * dwarf2out.c (class_scope_p): New fn.
15696 (gen_subprogram_die): Use it.
15697 (gen_variable_die): Use it. Tweak logic.
15698 (gen_struct_or_union_type_die): Check context_die to determine
15699 if we're function-local.
15700 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
15702 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
15704 * loop.c (check_dbra_loop): Can't reverse a biv that has
15705 maybe_multiple set.
15707 1999-12-14 Nick Clifton <nickc@cygnus.com>
15709 * config/arm/arm.c: Add support for -mcpu=arm720 command line
15712 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15714 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
15715 for givs made from biv increments.
15717 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
15719 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
15720 * alpha.c (override_options): Recognize -mcpu=ev67.
15721 * alpha.h (CPP_CPU_EV67_SPEC): New.
15722 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
15723 (EXTRA_SPECS): Update.
15725 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
15727 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
15728 appropriate for -lang-c89 and -std=*.
15729 * cppinit.c (cpp_handle_option): Likewise.
15730 (new_pending_define): New, split out from cpp_handle_option.
15731 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
15732 or enable trigraphs for -ansi/-std=*.
15734 * ginclude/stdarg.h (__va_copy): New.
15735 (va_copy): Don't define for C89.
15737 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
15739 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
15740 for long long multiply-accumulate.
15742 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15744 * regclass.c (scan_one_insn): Set loop_cost to 1 when
15745 optimizing for size.
15747 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
15749 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
15750 if something changed. Back out that part of yesterday's changes.
15752 * loop.c (loop_max_reg): New static variable.
15753 (loop_optimize): Initialize it. Eliminate one unnecessary call to
15755 (scan_loop): Call reg_scan_update whenever we may have added new
15756 registers, and update loop_max_reg.
15758 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15760 * regclass.c (record_reg_classes): Do not do the copying preferrencing
15761 when source does not die.
15763 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
15765 1999-12-14 Jakub Jelinek <jakub@redhat.com>
15767 * config/sparc/linux64.h (TARGET_LIVE_G0,
15768 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
15770 * config/sparc/linux.h (TARGET_LIVE_G0,
15771 TARGET_BROKEN_SAVERESTORE): Likewise.
15772 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
15773 TARGET_BROKEN_SAVERESTORE): Likewise.
15775 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
15776 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
15778 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
15779 as sparc64 block profiling register.
15780 * config/sparc/sparc.c (sparc_override_options): Allow block
15781 profiling with -m32.
15782 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
15783 profiling register.
15784 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
15785 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
15786 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
15788 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
15790 * config/sparc/sparc.h: Likewise.
15791 * config/sparc/xm-sysv4-64.h: Likewise.
15792 * config/float-sparc.h: Likewise.
15793 * glimits.h: Likewise.
15794 * longlong.h: Likewise.
15796 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
15797 (ASM_IDENTIFY_GCC): Remove.
15799 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
15801 * combine.c (combine_simplify_rtx): Don't make shared rtl.
15802 (simplify_logical): Likewise.
15804 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
15806 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
15807 * cppfiles.c (INO_T_EQ): Likewise.
15809 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
15811 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
15812 * i386/mingw32.h (LIB_SPEC): Likewise.
15813 (STARTFILE_SPEC): Likewise.
15814 * i386/uwin.h (LIB_SPEC): Likewise.
15815 (STARTFILE_SPEC): Likewise.
15817 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
15818 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
15820 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
15822 * combine.c (combine_simplify_rtx): Fix order of checks for
15823 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
15825 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
15827 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
15828 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
15830 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
15832 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
15834 * regclass.c (inv_reg_alloc_order): New array.
15835 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
15837 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
15838 counted_for_groups, counted_for_nongroups. Add fields rld and
15840 * reload.c (push_secondary_reload): Don't set nongroup field of
15842 (push_reload): Likewise.
15843 (find_reloads): Delete code to compute nongroup fields.
15844 * reload1.c (reload_insn_firstobj): New static variable.
15845 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
15847 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
15848 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
15849 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
15851 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
15853 (struct hard_reg_n_uses): Deleted.
15854 (potential_reload_regs): Deleted.
15855 (init_reload): Initialize spilled_pseudos and pseudos_counted.
15856 (reload): Don't try to allocate reload registers if we already know
15857 we have to make another pass. Call select_reload_regs. Free memory
15858 starting with reload_firstobj when starting another pass.
15859 Don't allocate spilled_pseudos.
15860 (calculate_needs_all_insns): Call copy_reloads for an insn that
15861 needs reloads; don't call calculate_needs.
15862 (spill_cost): New static array.
15863 (used_spill_regs_local): New static variable.
15864 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
15865 to compute potential_reload_regs.
15866 (find_reload_regs): Completely rewritten to use find_reg.
15867 (allocate_reload_reg): Don't test counted_for_groups or
15868 counted_for_nongroups. Lose NOERROR arg and code to give an error;
15869 all cllers changed.
15870 (choose_reload_regs): Add fallback code that uses the existing
15871 register allocation from find_reload_regs.
15873 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
15875 * flow.c (create_edge_list): Cast xmalloc return value.
15877 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
15879 * doprnt.c: Remove incorrect comment closure.
15881 * cse.c: Fix a few minor whitespace goofs.
15883 1999-12-13 Don Bowman <don@pixstream.com>
15885 * mips/vxworks.h: Fix problem with comment termination.
15886 (EXTRA_SECTIONS): Add in_sbss.
15887 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
15889 1999-12-12 David S. Miller <davem@redhat.com>
15891 * cse.c (struct cse_reg_info): Add hash_next member,
15892 reorder rest of struct for better packing on 64-bit
15894 (cse_reg_info_tree): Kill.
15895 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
15896 REGHASH_FN): New custom pow2 hash mechanism.
15898 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
15899 use a pow2 hash table.
15900 (get_cse_reg_info): Rework to use new REGHASH.
15901 (new_basic_block): Likewise, use HASH_SIZE, and inline
15903 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
15904 and inline free_element call.
15905 (lookup_as_function, insert, flush_hash_table, invalidate,
15906 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
15907 invalidate_for_call, use_related_value, find_comparison_args,
15908 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
15909 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
15910 get_element): Kill.
15912 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
15914 * cse.c (cse_basic_block): Free qty_table consistently.
15916 1999-12-12 David S. Miller <davem@redhat.com>
15917 Jakub Jelinek <jakub@redhat.com>
15919 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
15920 SUBREGs by hand, gen the appropriate hard reg directly.
15921 (movtf reg/mem split): Likewise and alter_subreg on destination
15923 (movtf mem/reg split): Similarly.
15924 (movdf_cc_sp64): Rename from hidden pattern.
15925 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
15926 (movtf_cc_sp64, following split): New pattern and splitter.
15927 (movdf_cc_reg_sp64): Rename from hidden pattern.
15928 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
15930 (movtf_cc_reg_sp64, following split): New pattern and splitter.
15932 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
15934 * loop.c (load_mems): Don't hoist written floating point mem
15937 1999-12-12 Mark Mitchell <mark@codesourcery.com>
15939 * except.h (struct eh_queue): Add `next' pointer.
15940 (struct eh_status): Make x_ehqueue a pointer.
15941 (push_ehqueue): Declare.
15942 (pop_ehqueue): Likewise.
15943 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
15945 (expand_fixup_region_end): Likewise.
15946 (expand_leftover_cleanups): Likewise.
15947 (push_ehqueue): Define.
15948 (pop_ehqueue): Likewise.
15949 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
15950 than doing it inline.
15951 (expand_start_all_catch): Adjust now that ehqueue is a
15953 (mark_eh_queue): Mark all level of the queue.
15954 (mark_eh_status): Adjust now that ehqueue is a
15956 (init_eh_for_function): Allocate ehqueue.
15957 (free_eh_status): Free it.
15958 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
15959 expansion for a fixup.
15961 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15963 * gthr-single.h (__gthread_active_p): Add prototype arguments.
15965 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
15966 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
15967 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
15968 function_ptr, getpagesize, __enable_execute_stack,
15969 __enable_execute_stack, __clear_insn_cache,
15970 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
15971 _cleanup, _exit, __default_terminate, __terminate_func,
15972 __terminate, __empty, __throw, new_eh_context,
15973 eh_context_initialize, eh_context_static, eh_context_specific,
15974 get_eh_context, __get_eh_context, __get_eh_info,
15975 init_reg_size_table, eh_threads_initialize,
15976 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
15977 __unwinding_cleanup, throw_helper, __throw, __rethrow,
15978 __pure_virtual): Add prototype arguments.
15979 (__bb_exit_func): Cast a sizeof to long when comparing against one.
15980 Cast a signed value to unsigned long when comparing against one.
15981 (new_eh_context): Wrap in _GTHREADS macro.
15982 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
15984 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
15985 (throw_helper): Initialize variables `handler_p' and `pc_p'.
15987 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15989 * combine.c (record_promoted_value): Remove unused variable
15992 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
15994 * global.c (record_conflicts): Likewise for `j'.
15996 * genoutput.c (output_insn_data): Don't unnecessarily cast away
15999 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16001 * i386-protos.h (output_387_binary_op, output_fix_trunc,
16002 output_fp_compare): Constify a char*.
16004 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
16006 (override_options, ix86_comp_type_attributes, print_operand,
16007 output_387_binary_op, output_fix_trunc, output_fp_compare):
16009 (ix86_sched_reorder): Mark parameter `clock_var' with
16012 * i386.h (DEBUG_PRINT_REG): Constify a char*.
16014 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
16016 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
16017 operand, for use in the Java front-end.
16019 1999-12-10 Ben Collins <bcollins@debian.org>
16021 * configure.in: Fix typo for "-64" in 64bit as check.
16022 * configure: Rebuilt.
16024 1999-12-10 Jakub Jelinek <jakub@redhat.com>
16026 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
16029 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16031 * c-parse.in (string): With -Wtraditional, warn if ANSI string
16032 concatenation is utilized.
16034 * invoke.texi (-Wtraditional): Document it.
16036 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16038 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
16039 Cast a ptrdiff_t to long and pass it to printf with %ld.
16041 1999-12-10 Geoff Keating <geoffk@cygnus.com>
16043 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
16044 68881, we have no 68881 registers at all.
16045 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
16046 value in a 68881 register if it is available.
16048 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
16050 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
16051 for long long multiply-accumulate.
16053 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
16055 * loop.c (insert_loop_mem): Undo last change.
16057 1999-12-10 David S. Miller <davem@redhat.com>
16059 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
16061 * config/sparc/sparc-protos.h: Add them.
16062 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
16063 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
16064 constraints which use those helpers.
16065 (EXTRA_CONSTRAINT): Use this new macro.
16066 * md.texi: Update sparc target constraints documentation.
16067 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
16068 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
16069 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
16070 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
16071 (movsf high/lo_sum split): Rework for new patterns.
16072 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
16074 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
16076 * c-common.c (c_common_nodes_and_builtins):
16077 Create __builtin_ptrdiff_t and __builtin_size_t.
16079 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
16081 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
16083 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16085 * regclass.c (globalize_reg): Re-instate test that allows
16086 fixed registers to be declared as a variable even after functions
16089 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
16091 * i386.md (cpu attribute): Add "athlon".
16092 (athlon_decode): New attribute.
16093 (Athlon scheduling units definitions): New.
16094 (fcmp and shld patterns): Set athlon_decode to "vector".
16095 * i386.c (athlon_cost): New.
16097 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
16098 x86_use_sahf): Set for Athlon.
16099 (x86_use_fiop): Unset for Athlon.
16100 (override_options): Define Athlon alignments and "athlon" name.
16101 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
16102 * i386.h (TARGET_ATHLON): New.
16103 (enum processor_type): Add PROCESSOR_ATHLON.
16104 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
16106 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
16108 1999-12-09 Andreas Jaeger <aj@suse.de>
16110 * loop.c (record_biv): Declare parameter as int.
16112 * config/i386/i386-protos.h: Declare long_memory_operand.
16114 1999-12-09 Mark Mitchell <mark@codesourcery.com>
16116 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
16117 EXPR_WITH_FILE_LOCATION.
16119 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
16121 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
16124 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
16126 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
16129 1999-12-09 Jakub Jelinek <jakub@redhat.com>
16131 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
16132 default on linux64 again.
16133 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
16134 models for multilibing.
16135 * genmultilib: Accept | as alternative separator within a set in
16138 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
16140 * calls.c (precompute_arguments): Make sure initial_value contains
16141 value pseudo which CSE expects.
16142 * cse.c (struct set): New entry orig_src.
16143 (cse_insn): Set it early on entry, use it for libcall EQUIV note
16146 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
16148 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
16150 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
16152 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
16154 1999-12-08 Jakub Jelinek <jakub@redhat.com>
16156 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
16157 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
16159 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
16162 * longlong.h: Merge in changes from glibc.
16163 Also don't clobber %g2 register in 32bit SPARC assembly, so that
16164 -mno-app-regs libgcc can be compiled.
16165 * libgcc2.c: Add defines so that the updated longlong.h
16166 can be used in libgcc2.a. Also, make sure on most architectures
16167 (at least on all which have optimized code in longlong.h defined
16168 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
16170 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16172 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
16173 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
16174 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
16176 * configure: Rebuilt.
16178 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
16180 * alpha.c (secondary_reload_class): For !BWX, sub-simode
16181 outputs require a register.
16183 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
16185 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
16186 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
16187 functions like dptoul will be resolved.
16188 (libgcc2.a): Make sure that the object files from DPBIT are named
16189 differently (prefix `_dp') from those that would be coming from
16192 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
16194 * configure.in: When target is sparc* and tm_file contains 64,
16195 test for 64bit support in assembler. If not supported, remove
16196 sparc/t-sol2-64 from target-dependent Makefile fragments.
16197 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
16198 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
16199 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
16200 * acconfig.h (AS_SPARC64_FLAG): Added.
16201 * configure, config.in: Rebuilt.
16202 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
16203 support. Use AS_SPARC64_FLAG.
16205 1999-12-07 Jakub Jelinek <jakub@redhat.com>
16207 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
16208 suitable for holding OFmode values so that gcc works with complex
16210 (hard_64bit_mode_classes): Likewise.
16212 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
16213 so that it is actually matched.
16214 (sethi_di_medlow): Likewise.
16216 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
16217 as legitimate constant if -mvis.
16218 * config/sparc/sparc.md (movtf): Likewise.
16219 (clear_sf): Use const_double_operand.
16220 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
16222 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
16223 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
16224 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
16225 routines, _Qp_* cannot be handled like that now.
16226 (INIT_TARGET_OPTABS): Likewise.
16227 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
16228 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
16229 sparc_emit_float_lib_cmp if ARCH64 and soft float.
16230 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
16231 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
16232 divtf3, sqrttf3): New expanders.
16233 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
16234 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
16235 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
16238 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
16239 * configure: Rebuilt.
16240 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
16241 -mcpu is given and we're doing 64bit compiles.
16243 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
16245 * loop.h (struct induction): Add multi_insn_incr.
16246 * loop.c (basic_induction_var): New multi_insn_incr argument.
16247 Set it if we search back through previous insns for the biv.
16248 (record_biv): New multi_insn_incr argument; fill in struct induction.
16249 (strength_reduce): Discard an iv with multiple bivs, any of
16250 which require multiple insns to increment.
16252 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
16254 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
16257 1999-12-06 David S. Miller <davem@redhat.com>
16259 * combine.c (check_promoted_subreg): Do not conditionalize this upon
16260 PROMOTE_FUNCTION_RETURN.
16262 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
16264 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
16265 and handle REG_UNUSED note on insn.
16267 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
16268 inner_mask instead of mask.
16270 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
16272 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
16273 zero if there was an error.
16275 1999-12-06 Jakub Jelinek <jakub@redhat.com>
16277 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
16280 * longlong.h: Fix clobbers in SPARC asm statements.
16282 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
16283 valid sethi operations when TARGET_ARCH64.
16285 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
16286 always use move_by_pieces to avoid infinite recursion.
16287 (restore_fixed_argument_area): Likewise.
16289 * combine.c (check_promoted_subreg, record_promoted_value): New
16291 (combine_instructions): Use them to retain nonzero and sign bit
16292 information after SUBREGs are eliminated by optimizations in
16293 this pass if PROMOTE_FUNCTION_RETURN.
16295 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
16296 .register declaration. Don't use variables with __ prefixes.
16298 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
16300 * fold-const.c (optimize_bit_field_compare): Only use one mode
16301 for both RHS and LHS in non-constant case.
16303 1999-12-06 Nathan Sidwell <nathan@acm.org>
16305 * frame.c (start_fde_sort): Only allocate erratic array, if
16306 linear one was allocated. Return allocated flag.
16307 (fde_insert): Only insert, if there's a valid array.
16308 (fde_end_sort): Split, sort and merge if linear and erratic
16309 arrays exist, else just sort linear one.
16310 (search_fdes): New function. Linear search through original fde
16312 (frame_init): Permit multiple initializations. Cope with
16314 (find_fde): Fallback on linear search, if failed to sort array.
16315 (__deregister_frame_info): Only free sorted array, if we
16318 1999-12-06 Jakub Jelinek <jakub@redhat.com>
16320 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
16322 1999-12-05 Jakub Jelinek <jakub@redhat.com>
16324 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
16326 1999-12-05 Mark Mitchell <mark@codesourcery.com>
16328 * tree.h (special_function_p): Declare.
16329 * calls.c (special_function_p): Make it global. Don't take `name'
16330 as a parameter. Fix typo in 1999-11-28 change.
16331 (expand_cal): Adjust.
16333 1999-12-04 Mark Mitchell <mark@codesourcery.com>
16335 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
16336 * tree.h (EXPR_WFL_FILENAME): Define in terms of
16337 EXPR_WFL_FILENAME_NODE.
16338 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
16340 * print-tree.c (print_note): Print TREE_PRIVATE and
16343 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
16344 the original die cannot be found.
16346 * varray.h (varray_head_tag): Add elements_used.
16347 (VARRAY_PUSH): New macro.
16348 (VARRAY_POP): Likewise.
16349 (VARRAY_TOP): Likewise.
16350 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
16352 * varray.c (varray_init): Initialize elements_used.
16353 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
16354 (INTEGRATE_H): New variable.
16355 (integrate.o): Depend on INTEGRATE_H.
16356 (unroll.o): Likewise.
16358 * function.h (insert_block_after_note): Declare.
16359 * function.c (insert_block_after_note): Split out from ...
16360 (retrofit_block): ... here.
16362 * stmt.c (expand_fixup): Fix typo in comment.
16364 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
16366 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
16367 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
16368 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
16369 (regmove_optimize, fixup_match_1): Likewise.
16371 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16373 * flow.c (flow_loops_dump): Add missing argument when calling
16374 flow_loop_nested_p.
16376 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
16377 Greg McGary <gkm@gnu.org>
16379 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
16380 (init_attributes): Add A_NO_LIMIT_STACK.
16381 (decl_attributes): Handle A_NO_LIMIT_STACK.
16382 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
16383 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
16384 Handle stack bounds checking.
16385 * flags.h (flag_stack_check): Use the word 'probe' rather than
16386 'check', because the flag doesn't actually cause any checking to
16388 * function.c (expand_function_start): Set
16389 current_function_limit_stack.
16390 * function.h (struct function): Add limit_stack.
16391 (current_function_limit_stack): Define.
16392 * invoke.texi (Code Gen Options): Document new options.
16393 * rtl.h: Declare stack_limit_rtx.
16394 * toplev.c (stack_limit_rtx): New variable.
16395 (decode_f_option): Handle new options -fstack-limit-register=REG,
16396 -fstack-limit-symbol=IDENT, -fno-stack-limit.
16397 (main): Add stack_limit_rtx as GC root.
16398 * tree.h (DECL_NO_LIMIT_STACK): New macro.
16399 (struct tree_decl): New member no_limit_stack.
16401 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
16403 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
16404 (conditional_trap+1): Get new mnemonic correct.
16405 (conditional_trap+2): New pattern for DImode traps.
16407 * config/m68k/m68k.c (output_function_prologue): Handle
16409 * config/m68k/m68k.md (trap): New insn.
16410 (conditional_trap): New insn.
16411 * md.texi (Standard Names): Document `trap' and
16412 `conditional_trap'.
16413 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
16414 so a cc0 setter doesn't get emitted at some random place in the
16417 * config/i960/i960.md (trap): New insn.
16418 (conditional_trap): New expander.
16419 (conditional_trap+1, conditional_trap+2): New insns for signed
16420 and unsigned cases.
16421 * config/i960/i960.c (i960_function_prologue): Use
16422 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
16424 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
16425 Geoffrey Keating <geoffk@cygnus.com>
16427 * flags.h (warn_padded, warn_packed): Add global var decls.
16428 * toplev.c (warn_padded, warn_packed): Add global var defns.
16429 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
16430 * stor-layout.c (layout_record): Add local variable `type'
16431 to hold often-used TREE_TYPE (field). Add local variable
16432 `unpacked_align' to hold alignment that would be in force
16433 if no `packed' attribute were present. Warn if `packed' attribute
16434 is unnecessary, or even harmful. Warn when gcc inserts padding
16435 to satisfy alignment requirements of members. Use NULL_TREE
16436 when checking whether var_size is set.
16437 * invoke.texi: Document new flags.
16439 1999-12-03 Nathan Sidwell <nathan@acm.org>
16441 * frame.c (fde_split): Reimplement to avoid variable sized array.
16443 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16445 * combine.c (try_combine): Before fixing up LOG_LINKS for the
16446 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
16448 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
16450 * invoke.texi: Document the mips option -mno-crt0
16452 1999-12-02 Mike Karr <mkarr@mathworks.com>
16454 * cccp.c (argdata): Added free_ptr member.
16455 (macroexpand): Initialize free_ptr of each argument. When an
16456 argument's buffers are freed, if the argument's free_ptr corresponds
16457 to a buffer on the input stack, then return the free_ptr to that stack
16458 frame, otherwise, free it.
16459 (macarg): If an argument begins and ends on the same input stack level,
16460 then transfer the free_ptr of that buffer to the argument in case
16461 the stack is popped during the processing of a subsequent argument.
16463 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
16465 * loop.c (note_reg_stored): New function.
16466 (struct note_reg_stored_arg): New structure.
16467 (try_copy_prop): Change to be more conservative; only replace within
16468 one extended basic block and stop replacing if a store to the
16469 replacement reg is seen.
16471 1999-12-02 Nick Clifton <nickc@cygnus.com>
16473 * config/fp-bit.c: Initialise all fields of the NAN
16476 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
16479 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
16481 * i386.md (extend?f?f2): Force the input into a register, not
16484 1999-12-01 Jakub Jelinek <jakub@redhat.com>
16486 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
16488 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
16489 alternative because setting up 64bit constant is usually costly,
16490 especially when reload is in progress or completed.
16491 (movdf_const_intreg_sp64): Likewise.
16492 (movdf_const_intreg split): Fix building up constants when
16493 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
16495 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
16497 * combine.c (if_then_else_cond): Use const_true_rtx instead of
16498 const1_rtx for return values in EQ/NE comparison against (const_int 0)
16501 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
16502 (asm_file_start): Emit .am33 into assembly file when compiling for
16504 (print_operand_address): Handle POST_INC addresses.
16505 (can_use_return_insn, initial_offset): Check AM33 registers too.
16506 (expand_prologue): Check & save AM33 registers too.
16507 (expand_epilogue): Similarly.
16508 (secondary_reload_class): Handle AM33 specific secondary reloads.
16509 (output_tst): Emit efficient code for the AM33 too.
16510 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
16511 (TARGET_SWITCHES): Add -mam33 switch.
16512 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
16513 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
16514 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
16515 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
16516 (enum reg_class, REG_CLASS_NAMES): Likewise.
16517 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
16518 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
16519 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
16520 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
16521 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
16522 (HAVE_POST_INCREMENT): Define.
16523 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
16524 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
16525 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
16526 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
16527 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
16528 (zero_extend to SI from QI/HI): Likewise.
16529 (sign_extend to SI from QI/HI): Likewise.
16530 (mulsidi3, umulsidi3): New patterns for the AM33.
16531 (tstsi with zero extension from QI/HI): Add AM33 variants.
16532 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
16533 (return_internal_regs, store_movm): Handle new AM33 registers.
16534 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
16535 (LIBGCC, INSTALL_LIBGCC): Likewise.
16536 * invoke.texi: Document new flags.
16538 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
16540 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
16541 (addsi3_carry): Likewise.
16542 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
16543 (sbbsi3_carry): Likewise.
16544 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
16545 (mulhi3): Likewise.
16546 (test?i_1): Ensure that only one operand is memory.
16547 (conditional move patterns): likewise.
16548 (shift and rotate patterns): Rewrite to expander, add
16549 "binary_operator_ok" to the condition.
16551 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
16552 * i386.h (procesor_costs): Add movzbl_load field.
16553 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
16554 non-Q registers, accept DImode registers anywhere.
16556 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
16557 * i386.c (*_cost): Set value for movxbl_load field.
16559 * (addsi): New add to lea splitter.
16560 (ashlsi): Likewise.
16561 (lea to add/shift peep2): New.
16563 1999-12-01 Mark Salter <msalter@cygnus.com>
16565 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
16566 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
16567 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
16569 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
16571 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
16572 * i386.md (movsi_xor): New.
16574 (movsi_1, movhi_1, movqi_1): Remove.
16575 (movsi_2): Rename to movsi_1.
16576 (movhi_2): Rename to movhi_1.
16577 (movqi_2): Rename to movqi_1.
16578 (movdi_1): Remove; remove splitter.
16579 (movdi_2): Rename to movdi_1.
16580 (divmodsi4 splitter): Do not emit clobbers for move patterns.
16581 (long move peep2): Do not create QI or HI mode mov0s
16582 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
16584 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
16587 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
16588 (abs?f2_if): Likewise.
16590 1999-11-30 Alex Samuel <samuel@codesourcery.com>
16592 * ggc.h (ggc_test_and_set_mark): New macro.
16593 (ggc_mark_rtx): Use ggc_test_and_set_mark.
16594 (ggc_mark_tree): Likewise.
16595 (ggc_mark_rtvec): Likewise.
16596 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
16598 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
16600 * dwarf2out.c (scope_die_for): Only handle types. Only search for
16602 (decl_scope_table): Just an array of trees now.
16603 (push_decl_scope): Simplify.
16604 (dwarf2out_init): Adjust.
16605 (local_scope_p): New fn.
16606 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
16607 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
16608 (gen_typedef_die): Likewise.
16609 (gen_lexical_block_die): Don't call push/pop_decl_scope.
16610 (gen_inlined_subroutine_die): Likewise.
16611 (gen_abstract_function): Set current_function_decl temporarily.
16612 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
16613 Handle block extern declarations. Don't call push/pop_decl_scope.
16614 (gen_decl_die): Fix logic for block externs.
16616 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16618 * calls.c (special_function_p): Remove `realloc' and add `strdup'
16619 to the list of functions which have attribute malloc by default.
16621 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16623 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
16624 integer constant does not match the traditional type, limit the
16625 warnings to cases where the base of the type is ten.
16627 * invoke.texi (-Wtraditional): Document it.
16629 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16631 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
16632 * rs6000.md: Only access a CONST_INT with INTVAL
16634 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
16636 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
16637 (compute_nearerout): Likewise.
16638 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
16639 size_t to unsigned long for formatting.
16641 1999-11-30 Jakub Jelinek <jakub@redhat.com>
16643 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
16644 Allow the user to override call-used/fixed state of %g2-5
16645 registers from the command line (with the exception of %g4 for
16647 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
16648 there is a higher chance of having a leaf function.
16649 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
16650 for ARCH64 which has %ccr register.
16651 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
16653 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
16654 insn accept into delay slot any insn which does not use %[ol]
16655 registers. Accept some LO_SUM and shift left by 1 for the normal
16657 (output_function_epilogue): Likewise.
16658 (epilogue_renumber): Added argument which inhibits any renumbering
16659 and just tests if the rtx does not use any %[ol] registers.
16660 (output_return): Reflect above change.
16662 1999-11-30 Jakub Jelinek <jakub@redhat.com>
16664 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
16665 aggregate passing for sizes <= 16 bytes.
16667 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
16669 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
16670 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
16671 * reload.c (find_dummy_reload): Likewise.
16672 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
16673 * reload1.c (reload_as_needed): Likewise.
16674 * stupid.c (stupid_find_reg): Likewise.
16675 * tm.texi (Obsolete Register Macros): Delete section.
16676 * gmicro.h: Remove all traces of the two macros.
16677 * i386.h: Likewise.
16678 * m88k.h: Likewise.
16679 * mips.h: Likewise.
16681 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
16683 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
16684 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
16685 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
16686 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
16687 units for the sparclite86x chip.
16688 (flush): Revert October 14th change; add SImode specifically.
16689 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
16690 * invoke.texi: Document it.
16692 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
16694 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
16695 psimode_truncation_operand.
16697 * config/mn10200/mn10200.c (psimode_truncation_operand): New
16698 function. Return true if the operand is either a MEM valid
16699 for a PSImode address or not a MEM at all.
16701 * config/mn10200/mn10200.md (truncsipsi2): Use
16702 psimode_truncation_operand.
16704 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16706 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
16707 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
16708 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
16709 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
16710 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
16711 (flow_loop_level_compute, low_loops_level_compute): Likewise.
16712 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
16713 * basic-block.h: Protect from multiple inclusion.
16714 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
16715 (struct loops, struct loop): Define structures.
16716 * sbitmap.c (sbitmap_a_subset_b_p): New function.
16717 * sbitmap.h: Protect from multiple inclusion.
16718 (sbitmap_a_subset_b_p): Add prototype.
16719 * Makefile.in (LOOP_H): New macro.
16720 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
16722 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
16724 * cppinit.c (CAT): The argument list of this macro may not contain
16727 1999-11-29 David S. Miller <davem@redhat.com>
16729 Move quantity tables and register equivalence chains into
16730 per-qty and per-register structure arrays respectively.
16731 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
16732 qty_const_insn, qty_comparison_code, qty_comparison_const,
16733 qty_comparison_qty): Delete, replace with...
16734 (qty_table): this structure table.
16735 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
16736 (reg_eqv_table): this structure table.
16737 (make_new_qty): Add argument MODE. Caller updated.
16738 Update to use qty_table and reg_eqv_table.
16739 (make_regs_eqv, delete_reg_equiv, insert_regs,
16740 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
16741 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
16742 cse_process_notes, cse_main, cse_basic_block): Likewise.
16744 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
16746 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
16747 operation if C is negative.
16748 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
16749 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
16750 law for some divisions if constant is negative and change other
16751 divisions to the opposite rounding.
16753 * expr.c (store_constructor_field): If bit position is not multiple
16754 of alignment of TARGET's mode, use BLKmode.
16756 * expr.c (expand_expr_unaligned): Add more code from full case
16757 that is needed when OP0 is in a register.
16759 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16761 * dwarfout.c (field_byte_offset): Size can be zero if there was
16764 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
16766 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
16767 (associate_trees): Delete unused var TEM.
16768 (extract_muldiv): Delete unused var CANCEL_P.
16770 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
16771 (target_isinf, target_isnan, target_negative): Add return types to
16772 function definitions.
16774 1999-11-29 Bruce Korb <autogen@linuxbox.com>
16776 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
16777 * fixinc/hackshell.tpl: ditto
16778 * fixinc/fixtests.c(double_slash_test): more C++ header testing
16779 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
16781 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
16783 * reload.c (push_reload): When looking for a register to put into
16784 reg_rtx, make sure all hard regs in a multi-reg register are in the
16785 right class and nonfixed.
16787 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
16788 pending_read_insns, pending_write_insns, pending_read_mems,
16789 pending_write_mems, pending_list_length, last_pending_memory_flush,
16790 last_function_call, sched_before_next_call): Move static variables
16792 (bb_ prefixed versions): Replace with single array bb_deps.
16793 (struct deps): New structure.
16794 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
16795 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
16796 argument of type "struct deps *"; use that instead of global
16797 variables. All callers changed.
16798 (init_rgn_data_dependencies): Delete function.
16799 (init_rtx_vector): Delete function.
16800 (init_deps): New function.
16802 (free_pending_lists): Simplify, we always use the bb_deps array even
16803 if only one basic block.
16804 (compute_block_backward_dependences): Likewise.
16805 (schedule_region): Likewise.
16807 (propagate_deps): New function, broken out of
16808 compute_block_backward_dependences.
16809 (compute_block_backward_dependences): Use it.
16811 * alpha.md: Delete useless patterns that tried to work around
16812 register elimination problems.
16814 * unroll.c (loop_iterations): Don't abort if iteration variable
16817 From Joern Rennecke:
16818 * reload1.c (reloads_conflict): Reverse test comparing operand
16819 numbers when testing for conflict between output/outaddr reloads.
16821 1999-11-29 David S. Miller <davem@redhat.com>
16823 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
16825 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
16827 1999-11-28 Robert Lipe <robertl@cygnus.com>
16829 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
16830 table from .fini into .dtor.
16832 1999-11-28 Anthony Green <green@cygnus.com>
16834 * tree.h (struct tree_decl): Add malloc_flag.
16835 (DECL_IS_MALLOC): Define.
16836 * c-common.c (attrs): Add A_MALLOC attribute.
16837 (init_attributes): Add this attribute to the table.
16838 (decl_attributes): Handle malloc attribute.
16839 * calls.c (special_function_p): Check for the malloc attribute.
16840 * extend.texi (Function Attributes): Document malloc attribute.
16842 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
16844 * pa.md (reload shift-add patterns): Remove.
16846 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16848 * reorg.c (dbr_schedule) Print more statistics. Corrected
16849 problem when printing info when 3 delay slots are filled.
16851 1999-11-28 Jakub Jelinek <jakub@redhat.com>
16853 * combine.c (setup_incoming_promotions): Pass an outgoing
16854 regno to FUNCTION_ARG_REGNO_P which it expects.
16856 1999-11-28 Andreas Jaeger <aj@suse.de>
16858 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
16860 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
16862 * cccp.c (do_include): Avoid initialization of automatic variable.
16864 * integrate.c (mark_stores): Function definition made void, to match
16865 previous declaration.
16866 * regclass.c (dump_regclass): Ditto.
16867 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
16869 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
16871 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
16872 known to be multiple of divisor.
16874 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
16876 * combine.c (try_combine): Add code to try to merge a set of a
16877 two-word pseudo to a constant with a setting of one of those words
16880 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
16881 (split_tree): Completely rework to make more general.
16882 (make_range, fold): Call negate_expr.
16883 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
16884 (fold, associate): Call new split_tree and associate_trees.
16885 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
16887 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
16889 * loop.c (try_copy_prop): Avoid GNU C extension.
16891 1999-11-25 Mark Mitchell <mark@codesourcery.com>
16893 * except.c (init_eh_for_function): Still zero eh_return_context,
16894 eh_return_stack_adjust, and eh_return_handler.
16896 * except.h (eh_status): Adjust documentation for x_protect_list.
16897 (begin_protect_partials): New function.
16898 * except.c (enqueue_eh_entry): Fix formatting.
16899 (get_first_handler): Add consistency check.
16900 (add_partial_entry): Adjust usage of protect_list.
16901 (emit_cleanup_handler): Save and restore ehqueue.
16902 (expand_start_all_catch): Add comment.
16903 (begin_protect_partials): New function.
16904 (end_protect_partials): Adjust usage of protect_list.
16905 (init_eh_for_function): Use xcalloc.
16907 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16909 * c-common.c (check_format_info): Don't call a variadic function
16910 with a non-literal format string.
16912 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
16914 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
16915 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
16918 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
16921 * collect2.c (collect_wait): Likewise.
16923 * dbxout.c (dbxout_type): Likewise.
16925 * gcc.c (do_spec_1): Likewise.
16927 * genemit.c (gen_insn, gen_expand): Likewise.
16929 * genrecog.c (write_switch, write_subroutine): Likewise.
16931 * mips-tfile.c (catch_signal, botch): Likewise.
16933 * print-rtl.c (print_rtx): Likewise.
16935 * toplev.c (default_print_error_function, report_error_function,
16936 _fatal_insn): Likewise.
16938 1999-11-25 Mark Mitchell <mark@codesourcery.com>
16940 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
16942 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
16944 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
16945 operations when needed.
16946 * i386.md (fop_?f_comm): New.
16947 (fop_?f_1): Do not accept commutative operands.
16949 1999-11-25 Andreas Jaeger <aj@suse.de>
16951 * config/mips/mips.md (casesi_internal): Add missing brace.
16953 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
16955 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
16956 (splice_child_die): Handle moving a child DIE from the declaration
16957 DIE of a class to its specification.
16958 (gen_struct_or_union_type_die): Use 'complete' consistently.
16959 (gen_decl_die): Generate the virtual context DIE first.
16960 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
16962 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
16964 * config/mips/mips.md (call_value_multiple_interanal1): New.
16966 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
16968 * dwarf2out.c (free_AT, free_die): New fns.
16969 (remove_children): Call them.
16970 (output_line_info): Disable removal of duplicate notes.
16972 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
16973 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
16974 means pretend the type isn't defined.
16975 Don't defer emitting types.
16976 (gen_type_die_for_member): New fn.
16977 (gen_decl_die): Call it.
16978 (splice_child_die): New fn.
16979 (gen_member_die): Call it rather than generate duplicate dies.
16981 Defer emitting information for the abstract instance of an inline
16982 until we either inline it or emit an out-of-line copy.
16983 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
16984 from output_inline_function if DECL_ABSTRACT is also set.
16985 (block_ultimate_origin): Likewise.
16986 (gen_abstract_function): New fn.
16987 (gen_decl_die, gen_inlined_subroutine_die): Call it.
16988 (gen_subprogram_die): An abstract instance is not a declaration
16989 just because it doesn't match current_function_decl. Don't abort
16990 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
16991 has an abstract origin.
16992 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
16993 abstract instance here.
16995 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
16997 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
16998 where we need to reload fpul from a system register.
17000 1999-11-24 Andreas Jaeger <aj@suse.de>
17002 * config/mips/linux.h (CPP_PREDEFINES): Added.
17003 (LINK_SPEC): Remove -Y since this is only needed on sparc.
17005 1999-11-24 Andreas Jaeger <aj@suse.de>
17007 * config/mips/linux.h (TARGET_VERSION): Added.
17008 (HANDLE_SYSV_PRAGMA): Added.
17009 (DEFAULT_VTABLE_THUNKS): Added.
17011 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
17013 * local-alloc.c (qty): New structure and static variable.
17014 (qty_phys_reg): Remove, all references changed to qty.
17015 (qty_n_refs): Likewise.
17016 (qty_min_class): Likewise.
17017 (qty_birth): Likewise.
17018 (qty_death): Likewise.
17019 (qty_size): Likewise.
17020 (qty_mode): Likewise.
17021 (qty_n_calls_crossed): Likewise.
17022 (qty_alternate_class): Likewise.
17023 (qty_changes_size): Likewise.
17024 (qty_first_reg): Likewise.
17025 (alloc_qty): Rename variable QTY to QTYNO.
17026 (finf_free_reg): Likewise.
17027 (local_alloc): Allocate qty, do not allocate the removed variables.
17029 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
17031 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
17032 when -membedded-pic is passed.
17034 * config/mips/mips.md (casesi): Handle 64-bit case too.
17035 (casesi_internal_di): New insn.
17037 * config/mips/mips.c (embedded_pic_offset): Always make the
17038 embedded-pic subtractions relative to the name of the current
17039 function by use of the magic string "..CURRENT_FUNCTION".
17040 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
17042 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
17044 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
17045 of (const_int 0), when what we really care about is
17046 whether it's a zero constant anyway.
17047 (div_trap_mips16): Likewise.
17049 1999-11-23 Mark Mitchell <mark@codesourcery.com>
17051 * loop.c (loop_optimize): Always find_loop_tree_blocks and
17052 unroll_block_trees when generating debuggable code.
17054 * tree.h (unsave_expr_1): New function.
17055 (lang_unsave): New variable.
17056 (get_callee_fndecl): New function.
17057 * tree.c (unsave_expr_now_r): New function.
17058 (lang_unsave): Define.
17059 (unsave_expr_1): Likewise.
17060 (unsave_expr_now_r): Split out from unsave_expr_now.
17061 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
17062 call unsave_expr_now_r.
17063 (get_callee_fndecl): Define.
17065 * Makefile.in (gencheck): Don't depend on lang_tree_files.
17066 (gencheck.o): Do depend on lang_tree_files.
17068 * integrate.h (copy_decl_for_inlining): New declaration.
17069 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
17070 (copy_decl_for_inlining): New function.
17071 (integrate_parm_decls): Use it.
17072 (integrate_decl_tree): Likewise.
17074 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
17076 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
17077 the second two from the first.
17078 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
17079 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
17080 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
17082 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
17083 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
17086 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
17088 * pa.md (call_internal_symref, call_value_internal_symref): No mode
17089 needed on the address operand.
17090 * pa.c (call_operand_address): Check for the correct mode.
17092 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
17094 * loop.c: Include "basic-block.h".
17095 (try_copy_prop, replace_loop_reg): New functions.
17096 (load_mems): Detect registers that just hold copies of the hoisted
17097 mem, and call try_copy_prop to eliminate them.
17098 * Makefile.in (loop.o): Update dependencies.
17100 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
17102 * Makefile.in (gencheck.o): Depend on gencheck.h.
17103 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
17104 (insn-peep.o): Depend on except.h and function.h.
17105 (insn-attrtab.o): Depend on RECOG_H.
17106 (insn-output.o): Depend on toplev.h and flags.h.
17107 (gengenrtl.o): Depend on real.h.
17108 (gen-protos.o): Depend on cpplib.h and cpphash.h.
17109 Unify all dependencies to be on RECOG_H rather than recog.h.
17111 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
17113 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
17114 * configure.in: Try building a bi-arch 32/64-bit compiler on
17115 sparc-*-solaris2.7 and higher.
17116 * configure: Rebuild.
17118 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
17120 * config/freebsd.h: New, FreeBSD architecture independent file.
17121 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
17122 independent pieces.
17123 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
17124 directly by i386/freebsd.h.
17125 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
17126 independent configuration file.
17127 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
17128 directly by i386/freebsd.h.
17129 * configure: Rebuilt.
17131 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
17132 which is in the user's namespace.
17133 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
17134 `i386' which is not in our namespace.
17136 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
17138 * invoke.texi (ARM Options): Add in -mno-alignment-traps
17140 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
17142 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
17143 (add_dwarf_attr, add_child_die): Just push onto the front.
17144 (reverse_die_lists): New fn.
17145 (add_sibling_attributes): Use it.
17146 (push_decl_scope): Reorganize.
17147 (add_name_and_src_coords_attributes): Don't set file and line for
17148 an artificial decl.
17149 (gen_subprogram_die): An artificial function doesn't need to match
17151 (gen_compile_unit_die): Return the generated die. Only add
17152 AT_comp_dir if the filename is relative.
17153 (remove_AT): Simplify loop. Also free string values.
17154 (output_die): A DIE ref can't be null.
17155 (output_value_format, value_format): Take a dw_attr_ref.
17156 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
17157 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
17158 AT_addr, AT_lbl): New fns.
17159 (various): Use them.
17160 (various): Constify.
17162 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17164 * combine.c (combine_simplify_rtx): When handling a SUBREG,
17165 take SUBREG_WORD into account.
17166 (if_then_else_cond): Likewise.
17168 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
17170 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
17171 clause from BSD license, pursuant with
17173 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
17175 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
17177 * loop.c (load_mems): Reformat slightly.
17178 * basic-block.h (regset_head): New typedef.
17179 (INIT_REG_SET): New macro.
17181 1999-11-22 Bruce Korb <autogen@linuxbox.com
17183 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
17184 (mips-dec-bsd*): non-functional code
17185 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
17187 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
17188 added three replacement fixes
17189 (no_double_slash): removed comments that are not (any longer) pertinent
17190 (bad_lval): this fix currently runs against many files.
17191 The comment seems to indicate that we should select for files
17192 containing 'pragma extern_prefix'.
17194 * fixinc/fixinc.x86-linux-gnu: deleted
17195 * fixinc/inclhack.sh: regen
17196 * fixinc/fixincl.x: regen
17197 * fixinc/fixincl.sh: regen
17199 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
17201 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
17202 its code is INSN and it has no notes.
17204 1999-11-22 Andrew Haley <aph@cygnus.com>
17206 * varasm.c (function_defined): Remove.
17207 (make_function_rtl): Don't set function_defined.
17208 (make_decl_rtl): Remove global register warning.
17209 * regclass.c (no_global_reg_vars): New variable.
17210 (globalize_reg): Warn if function has already been defined.
17211 (regclass_init): Set no_global_reg_vars.
17213 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
17215 * regclass.c (reg_pref): New structure and static variable
17216 (prefclass): Delete.
17217 (altclass): Delete.
17218 (all uses of prefclass and altclass): Use reg_pref instead.
17220 1999-11-21 Nick Clifton <nickc@cygnus.com>
17222 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
17224 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
17225 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
17226 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
17228 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
17230 * varasm.c (output_constructor): Solve problem with long long
17231 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
17233 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
17235 * global.c (allocno): New structure and static variable.
17236 (allocno_reg): Remove, all references replaced by allocno.
17237 (allocno_size): Likewise.
17238 (hard_reg_conflicts): Likewise.
17239 (hard_reg_preferences): Likewise.
17240 (hard_reg_copy_preferences): Likewise.
17241 (hard_reg_full_preferences): Likewise.
17242 (regs_someone_prefers): Likewise.
17243 (allocno_calls_crossed): Likewise.
17244 (allocno_n_refs): Likewise.
17245 (allocno_live_length): Likewise.
17246 (find_reg): Rename ALLOCNO to NUM.
17248 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
17249 references updated.
17250 (may_move_out_cost): New variable.
17251 (init_reg_sets_1): Initialize may_move_out_cost.
17252 (record_reg_classes): Use may_move_out_cost.
17254 * regclass.c (dump_regclass): New function.
17255 (regclass): New parameter DUMP, call DUMP_REGCLASS.
17256 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
17257 pass rtl_dump_file to regclass.
17258 * rtl.h (regclass): Update prototype.
17260 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
17262 * i386.md (neg, not and abs patterns): Revmap to use
17263 ix86_expand_unary_operator and ix86_unary_operator_ok.
17264 (add?f and sub?f expanders): Force operand 1 to register.
17265 * i386.c (ix86_expand_unary_operator): Rewrite.
17266 (ix86_unary_operator_ok): Ensure that memory operands
17268 (ix86_binary_operator_ok): Do not allow operand 1 to
17269 come into memory and operand 0 not.
17270 (ix86_expand_binary_operator): Ensure that
17271 src1 is not non-matching memory.
17273 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
17274 to support integer registers and memory.
17275 (abss?2_integer): Likewise.
17277 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
17278 (REG_CLASS_NAMES): Likewise.
17279 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
17281 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
17282 (movsf): Likewise; unify 4th and 5th alternative.
17283 (pushdf): Likewise.
17284 (movdf_1): Likewise; rename to movdf_integer.
17285 (pushxf): Likewise; rename to pushxf_integer; fix output template;
17286 remove redundant splitter.
17287 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
17288 (movdf_nointeger): New.
17289 (movxf_nointeger): New.
17290 (pushxf_nointeger): New.
17292 * i386.md (extend?f?f): Split to expander and pattern, refuse two
17293 memory operands in patterns.
17294 (fop*): Refuse two memory operands.
17296 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
17297 on !TARGET_USE_CLTD CPUs.
17299 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
17301 * extend.texi: Document C++ restricted pointers and references.
17303 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
17305 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
17306 (invalidate_skipped_set): Call it unconditionally.
17307 (cse_set_around_loop): Likewise.
17309 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
17311 * rtl.texi (mem): Add documentation for alias-set argument
17314 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
17316 * i386.h (struct_processor_costs): New fields int_load, int_store,
17317 fp_move, fp_load and fp_store
17318 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
17320 (MEMORY_MOVE_COST): New macro.
17321 * i386.c (386_cost): Define new fields.
17322 (i486_cost): Likewise.
17323 (pentium_cost): Likewise.
17324 (pentiumpro_cost): Likewise.
17325 (k6_cost): Likewise.
17327 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
17328 Geoffrey Keating <geoffk@cygnus.com>
17330 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
17332 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
17335 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
17336 (TARGET_STRICT_ALIGNMENT): New macro.
17337 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
17338 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
17339 * invoke.texi (M680x0 Options): Document -mstrict-align.
17341 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
17342 Richard Henderson <rth@cygnus.com>
17344 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
17345 (ix86_split_long_move): Declare.
17346 * i386.c (split_xf, ix86_split_movdi): Remove.
17347 (ix86_split_to_parts, ix86_split_long_move): New.
17348 * i386.md (dimode move splitters): Use ix86_split_long_move.
17349 (dfmode move splitters): Likewise.
17350 (xfmode move splitters): Likewise.
17351 (movsf_1): Allow F->r.
17352 (movdf_1, movxf_1): Allow F->ro.
17354 1999-11-17 Mark Mitchell <mark@codesourcery.com>
17356 * except.h (struct eh_entry): Add goto_entry_p.
17357 (eh_region_from_symbol): Remove prototype.
17358 * except.c (find_func_region_from_symbol): New function.
17359 (emit_cleanup_handler): Likewise.
17360 (eh_region_from_symbol): Make it static.
17361 (add_new_handler): Verify the argument.
17362 (find_func_region): Update comment.
17363 (expand_eh_region_end): Expand handlers here, rater than waiting
17364 until expand_leftover_cleanups or start_all_catch.
17365 (expand_leftover_cleanups): Don't expand here.
17366 (expand_start_all_catch): Or here.
17367 (expand_rethrow): Check the return value from find_func_region.
17368 * function.c (expand_function_end): Emit the catch_clauses.
17370 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
17372 * integrate.c (expand_inline_function): Add necessary check for NULL.
17374 1999-11-18 Nick Clifton <nickc@cygnus.com>
17376 * toplev.c (main): Correctly detect an unrecognised option.
17378 * cppinit.c (cpp_handle_option): Do not claim to have consumed
17379 a -f option if it has not been recognised.
17381 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
17383 * basic-block.h (update_life_extent): Remove trailing comma on
17384 enumeration type list.
17386 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
17388 * varasm.c (output_constructor) Solved problem with long long
17389 bitfields. Corrected calculating this_time and shift. Also
17390 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
17392 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
17394 * flow.c (split_edge): Take looping structure into account when
17395 determining where to put the new block note.
17397 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
17399 * Makefile.in (ggc-none.o): Provide host specific version if
17402 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
17404 * cse.c (delete_trivially_dead_insns): Identify no-op insns
17405 containing subregs too.
17407 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
17409 * invoke.texi: Add documentation for -muninit-const-in-rodata.
17410 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
17411 (TARGET_UNINIT_CONST_IN_RODATA): Define.
17412 (text_section): Add switches -munint-const-in-rodata and
17413 -mno-uninit-const-in-rodata.
17414 (ASM_OUTPUT_COMMON): Remove.
17415 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
17416 const objects should be placed in read-only data. Otherwise declare
17419 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
17421 * jump.c (jump_optimize_1): Revert last change.
17423 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
17425 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
17426 test if optimizing for size.
17428 1999-11-17 Mark Mitchell <mark@codesourcery.com>
17430 * Makefile.in (toplev.o): Depend on except.h.
17431 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
17433 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
17435 * i386.md (divmodsi4): Rewrite to expander.
17436 (*divmodsi4_nocltd): New.
17437 (*divmodsi4_cltd): New.
17438 (divmodsi4 splitter): Handle the case when input comes in edx.
17439 (udivmodhi4): Do not use constraints in exander.
17440 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
17442 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
17444 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
17445 for the common case.
17447 1999-11-16 Jakub Jelinek <jakub@redhat.com>
17449 * explow.c (hard_function_value): Add outgoing argument.
17450 * expr.h (hard_function_value): Declare it.
17451 * calls.c (expand_call, emit_library_call_value): Update callers.
17452 * function.c (aggregate_value_p): Ditto.
17453 (diddle_return_value): Must look at the outgoing registers
17454 on archs with register windows.
17456 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
17458 * alpha.c (alpha_build_va_list): Use make_lang_type and
17459 initialize TYPE_NAME for the va_list record.
17461 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
17463 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
17465 * ggc.h (struct ggc_statistics): Rearrange elements for better
17466 packing on 64-bit hosts.
17467 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
17468 (compute_nearerout): Likewise.
17470 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
17472 * config/rs6000/rs6000.c (first_reg_to_save): Save
17473 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
17475 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
17477 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
17478 notion of nesting to find the DIE for a type or function.
17479 DIEs can go in limbo even if we got a context_die.
17480 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
17481 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
17483 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
17484 (gen_type_die): Writing out the context doesn't cause member class
17485 template instantiations to be written out as well.
17487 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
17489 * rs6000.h (ASM_OUTPUT_DEF): New.
17490 Based on proposed addition from David Edelsohn.
17492 1999-11-15 Robert Lipe <RobertLipe@usa.net>
17493 Bruce Korb <autogen@linuxbox.com>
17495 * fixinc/inclhack.def
17496 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
17497 (unixware7_byteorder_fix): added. Removes conflicts for new defs
17499 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
17500 (svr4_endian): enabled with SVR5
17501 (svr4_mkdev): simplified syntax and enabled with SVR5
17503 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
17505 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
17506 * configure: Rebuilt.
17507 * config/t-freebsd-thread: New file.
17509 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
17511 * i386.c (ix86_decompose_address): Verify the base is a REG
17512 before trying to examine its register number.
17514 * basic-block.h: Remove all #defines and prototypes related to
17516 (free_bb_mem, compute_preds_succs): Remove prototype.
17517 * rtl.h (free_bb_mem): Remove prototype.
17518 * flow.c (alloc_int_list_node); Remove function.
17519 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
17520 (compute_preds_succs, free_bb_mem): Likewise.
17521 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
17522 * toplev.c (rest_of_compilation): Likewise.
17523 * haifa-sched.c (build_control_flow): Use flow generated edge
17524 list to build the haifa specific edge list.
17525 (find_rgns): Use new CFG data structures instead of pred/succ lists.
17526 (schedule_insns): Do not build pred/succ lists anymore. Instead
17527 build the edge table.
17529 * basic-block.h (dump_bb_data): Remove declaration.
17530 * flow.c (dump_bb_data): Remove function.
17531 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
17532 (sbitmap_union_of_predsucc): Likewise.
17534 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
17535 argument. All callers changed.
17536 (delete_null_pointer_checks_1): No longer need to compute the
17539 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
17540 All callers changed.
17541 (pre_expr_reaches_here_p_work): Likewise.
17542 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
17543 * lcm.c (compute_laterin): Fix initialization of LATER.
17544 (compute_nearerout): Similarly for NEARER.
17546 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17548 * cse.c (set_nonvarying_address_components): Delete unused function.
17549 (refers_to_p): Likewise.
17551 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
17553 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
17556 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17558 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
17559 definition in do while (0).
17561 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
17563 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
17565 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
17567 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
17569 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
17571 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
17572 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
17573 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
17574 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
17576 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
17577 saved on the stack. Output more accurate stack frame statistics
17578 into assembler file.
17580 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
17582 * genextract.c (record_insn_name): New function.
17583 (get_insn_name): No longer a stub.
17584 (main): Call record_insn_name for each insn. After each label
17585 written, print the insn name in a comment.
17587 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17589 * output.h (const_section, init_section, fini_section): Add
17592 * alpha/elf.h (const_section): Delete declaration.
17594 * svr4.h (const_section): Likewise.
17596 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
17598 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
17599 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
17600 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
17602 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
17603 variable-sized array bounds.
17605 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
17607 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
17610 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17612 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
17613 addresses the same way GO_IF_LEGITIMATE_INDEX does.
17615 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17617 * cse.c (hash_arg_in_struct): Delete.
17618 (struct table_elt): Delete elt in_struct.
17619 (struct set): Delete elt src_in_struct.
17620 (merge_equiv_classes): Don't set either hash_arg_in_struct or
17621 the corresponding in_struct elts.
17622 (canon_hash): Likewise.
17623 (safe_hash): Likewise.
17624 (find_best_addr): Likewise.
17625 (record_jump_cond): Likewise.
17626 (cse_insn): Likewise.
17628 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
17630 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
17632 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
17635 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
17637 * function.c (diddle_return_value): Put back check that the DECL_RTL
17638 for the function is a register.
17640 * function.c (diddle_return_value): Use hard_function_value to
17641 get an rtx suitable for use in the USE/CLOBBER insn.
17643 * global.c (global_conflicts): Update comments.
17644 (record_conflicts): No need to record conflicts between pseudos here.
17646 1999-11-11 Bruce Korb <autogen@linuxbox.com>
17648 * fixinc/fixincl.c: Added verbose levels for status messages
17650 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17652 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
17653 operand as argument to expand_and or expand_binop.
17655 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
17657 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
17658 gcc_add_string_root.
17660 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
17662 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
17664 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
17666 * flow.c (compute_flow_dominators): Initially put all blocks on
17668 * lcm.c (compute_antinout_edge, compute_available): Similarly.
17669 * gcse.c (compute_cprop_avinout): Remove.
17670 (compute_cprop_data): Use compute_available.
17671 (delete_null_pointer_checks_1): Use compute_available.
17673 * basic-block.h (compute_available): Returns a void now.
17674 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
17675 to return a value anymore.
17676 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
17677 worklists. Fix boundary cases. Compute maximal solutions.
17678 (compute_laterin, compute_nearerout): Similarly.
17680 * dwarf2out.c (add_AT_location_description): Allow
17681 (mem (plus (pseudo) (...)) too.
17683 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
17685 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
17687 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
17688 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17690 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
17692 * gansidecl.h: Likewise.
17698 * toplev.h: Likewise.
17700 * tree.c: Likewise.
17702 * tree.h: Likewise.
17704 * varray.c: Likewise.
17706 * varray.h: Likewise.
17708 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
17710 * gcov.c (struct arcdata): Add hits and total, remove prob.
17711 (output_branch_counts): New.
17712 (process_args): Set output_branch_counts if -c.
17713 (calculate_branch_probs): Store hits and total instead of
17715 (output_data): Emit counts if output_branch_counts is true.
17716 * gcov.texi (Invoking Gcov): Document -c switch..
17718 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
17720 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
17721 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
17723 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
17725 * invoke.texi (C Dialect Options): Add missing builtins from
17726 c-common.c to list.
17727 * extend.texi (Other Builtins): Copy to this list.
17729 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17731 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
17732 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
17733 redundant bitmap.h.
17735 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
17737 * flow.c (compute_flow_dominators): No longer treat basic block 0
17738 or (n_basic_blocks - 1) specially. Clear the AUX field before
17739 starting computation of doms/pdoms. Fix initial state for pdoms.
17741 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17743 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
17744 match rtl.o's: added ggc.h and toplev.h
17745 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
17746 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
17747 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
17749 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
17751 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
17752 from HAVE_DOS_BASED_FILESYSTEM.
17753 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
17754 HAVE_DOS_BASED_FILESYSTEM.
17756 (split_directories): Only special-case DOS file names if
17757 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
17758 instead of explicit tests. Conditionalize on !VMS.
17759 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
17760 tests. Conditionalize on !VMS.
17761 (process_command): Only use make_relative_prefix if !VMS.
17762 (free_split_directories): Conditionalize on !VMS.
17763 (DIR_UP): Conditionalize on !VMS.
17765 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
17767 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
17769 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
17771 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
17774 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
17776 * invoke.texi (Environment Variables): Document relative path
17778 * gcc.c (DIR_UP): If not defined, define as "..".
17779 (standard_bindir_prefix): New static, holds target location to
17781 (split_directories): New function to split a filename into
17782 component directories.
17783 (free_split_directories): New function, release memory allocated
17784 by split_directories.
17785 (make_relative_prefix): New function, make a relative pathname if
17786 the compiler is not in the expected location.
17787 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
17788 can figure out an appropriate prefix from argv[0].
17789 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
17790 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
17791 STANDARD_BINDIR_PREFIX.
17793 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17795 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
17797 * config/c4x/c4x.h: Moved prototypes to c4x.h.
17798 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
17799 c4x_secondary_memory_needed) Delete.
17800 (fp_zero_operand): Add mode argument.
17802 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
17804 * reload1.c (reload_reg_free_for_value_p): Don't use a register
17805 that is in reload_reg_used.
17807 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
17809 * config/arm/arm-protos.h: New file: Prototypes for functions
17810 defined in arm.c and pe.c.
17811 * config/arm/arm.h: Fix compile time warnings.
17812 * config/arm/arm.c: Fix compile time warnings.
17813 * config/arm/pe.h: Fix compile time warnings.
17814 * config/arm/aout.h: Fix compile time warnings.
17816 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
17818 * config/m32r/m32r-protos.h: New file: Prototypes for functions
17821 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
17822 Add support for subtargets.
17823 Add prototypes for new predicates.
17824 Add scheduling macros.
17826 * config/m32r/m32r.c: Fix compile time warnings.
17827 (int8_operand): New predicate function.
17828 (reg_or_cmp_int16_operand): New predicate function.
17829 (extend_operand): New predicate function.
17830 (m32r_adjust_code): New scheduling function.
17831 (m32r_adjust_priorty): New scheduling function.
17832 (m32r_sched_init): New scheduling function.
17833 (m32r_sched_reorder): New scheduling function.
17834 (m32r_sched_variable_issue): New scheduling function.
17835 (direct_return): New codegen function.
17836 (m32r_not_same_reg): New rtl testsing function.
17838 * config/m32r/m32r.md: Fix compile time warnings.
17839 Add support for pre decrement and post increment memory
17841 Add S<cc> patterns.
17844 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17846 * global.c (EXECUTE_IF_CONFLICT): Don't define.
17847 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
17848 (find_reg): Likewise.
17850 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
17852 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
17853 to avoid assembler errors.
17855 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
17857 * config/v850/v850-protos.h: New file: Prototypes for functions
17859 * config/v850/v850.h: Move prototypes to v850-protos.h
17860 * config/v850/v850.c: Move prototypes to v850-protos.h
17861 * config/v850/v850.md: Fix compile time warnings.
17863 * config/fr30/fr30-protos.h: New file: Prototypes for functions
17865 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
17866 * config/fr30/fr30.c: Fix compile time warnings.
17867 * config/fr30/fr30.md: Fix compile time warnings.
17869 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
17871 * tree.h (get_containing_scope): Declare it.
17872 * tree.c (get_containing_scope): New fucntion.
17873 (decl_function_context): Use it.
17874 * toplev.c (rest_of_compilation): Use get_containing_scope.
17876 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17878 * Makefile.in (rtl.o): Depend on toplev.h.
17880 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
17882 * cse.c (delete_trivially_dead_insns): Replace alloca with
17884 * except.c (update_rethrow_references): Likewise.
17885 (init_eh_nesting_info): Likewise.
17886 * function.c (identify_blocks): Likewise.
17887 * gcse.c (dump_hash_table): Likewise.
17888 * graph.c (print_rtl_graph_with_bb): Likewise.
17889 * loop.c (combine_movables): Likewise.
17890 (move_movables): Likewise.
17891 (count_loop_regs_set): Likewise.
17892 (strength_reduce): Likewise.
17893 * profile.c (compute_branch_probabilities): New function, split
17895 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
17896 * regclass.c (regclass): Likewise.
17897 * regmove.c (regmove_optimize): Likewise.
17898 * toplev.c (compile_file): Likewise.
17899 (main): Don't mess with the stack rlimit.
17901 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
17903 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
17904 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
17906 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
17908 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
17910 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
17912 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
17913 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
17916 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
17918 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
17920 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
17922 * gcse.c (post_dominators): Kill.
17923 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
17924 (compute_code_hoist_data): Use compute_flow_dominators. Do not
17925 pass in a pdom array since we do not need pdoms.
17926 * haifa-sched.c (schedule_insns): Similarly.
17927 * flow.c (compute_dominators): Remove dead function.
17928 (compute_flow_dominators): Do not compute doms or pdoms if the
17929 caller does not request them. Split up loop to build doms and
17930 pdoms. Use a worklist to compute doms and pdoms.
17931 * basic-block.h (compute_dominators): Remove prototype.
17933 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
17935 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
17936 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
17937 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
17938 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
17939 (cant_move, fed_by_spec_load, is_load_insn): Remove.
17940 (schedule_region): Remove unused variable.
17941 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
17943 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
17945 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
17946 (update_equiv_regs): Likewise.
17947 (block_alloc): Likewise.
17948 * reg-stack.c (reg_to_stack): Likewise.
17949 (convert_regs_2): Likewise.
17950 * reload1.c (reload_as_needed): Likewise.
17952 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
17954 * Makefile.in (dbxout.o): Depend on ggc.h.
17955 (dwarf2out.o): Likewise.
17956 (xcoffout.o): Likewise.
17957 * dbxout.c: Include ggc.h.
17958 (dbxout_init): Register lastfile as a root.
17959 * dwarf2out.c: Include ggc.h.
17960 (dwarf2out_line): Register lastfile as a root.
17961 * xcoffout.c: Include ggc.h.
17962 (xcoffout_source_line): Register xcoff_lastfile as a root.
17964 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
17966 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
17968 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
17970 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
17972 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
17974 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17976 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
17977 (EXECUTE_IF_CONFLICT): Likewise.
17978 (ALLOCNO_LIVE_P): Avoid signed division.
17979 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
17980 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
17981 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
17983 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
17985 * haifa-sched.c (schedule_block): Don't crash if there's no
17986 next insn for an interblock movement.
17987 (add_branch_dependences): Don't allow clobber insns to move either.
17989 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
17991 * i386.c (split_xf): New.
17992 * i386-protos.h: Declare it.
17993 * i386.md (movxf_1): Add general regs alternatives.
17994 (movxf_1+1): New splitter for same.
17996 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
17998 * function.c (purge_addressof_1): Add missing return values.
18000 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
18002 * function.c (is_addressof): New function. Returns true if
18003 the given piece of RTL is an ADDRESSOF.
18004 (purge_addressof_1): Make boolean. Return false if the
18005 ADDRESSOFs could not be purged.
18006 (purge_addressof): If ADDRESSOFs could not be purged from the
18007 notes attached to an insn, remove the offending note(s),
18008 unless they are attached to a libcall.
18010 1999-11-05 Andreas Jaeger <aj@suse.de>
18012 * genoutput.c (null_operand =): Initialize all fields.
18014 * errors.h: Add extern to prototypes.
18016 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
18018 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
18019 * configure: Rebuilt.
18021 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18023 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
18024 (mirror_conflicts): New function.
18025 (global_alloc): Call it.
18026 (expand_preferences): Remove redundant CONFLICTP test.
18027 (find_reg, dump_conflicts): Likewise.
18028 (prune_preferences): Process conflicts one word at a time.
18030 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
18032 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
18033 instead of an explicit loop.
18035 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
18037 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
18038 if REG_RETVAL check succeeds, then put classp in src_elt.
18040 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
18042 * function.c (pad_to_arg_alignment): Only update argument_pad
18043 if the argument's alignment is greater than STACK_BOUNDARY.
18045 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
18047 * bitmap.h (BITMAP_XFREE): New.
18048 * flow.c (life_analysis): Use it.
18049 (life_analysis_1): Free blocks.
18051 * combine.c (undo_commit): New.
18052 (try_combine): Use it. Don't zap undobuf.undos.
18053 (combine_instructions): Don't zap undobuf.undos; free the
18054 undobuf.frees list.
18056 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
18058 * stmt.c (cost_table_): New.
18059 (estimate_case_costs): Use it instead of xmalloc.
18061 * toplev.c (compile_file): Reuse dumpname memory instead
18064 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
18066 * reg-stack.c (convert_regs_1): Initialize target_stack->top
18067 after verifying an EH edge.
18069 * haifa-sched.c (init_rgn_data_dependences): Correctly
18070 size bb_pending_lists_length when zeroing.
18072 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
18074 * function.c (diddle_return_value): New.
18075 (expand_function_end): Use it.
18076 * stmt.c (expand_null_return): Likewise.
18077 (expand_value_return): Likewise.
18079 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
18081 * reload1.c (reload): Don't remove return value clobbers.
18083 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
18085 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
18087 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
18089 * cse.c (cse_main): Use xmalloc, not alloca.
18090 (cse_basic_block): Likewise.
18091 * local-alloc.c (local_alloc): Likewise.
18093 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
18094 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18096 * rtl.c: Include toplev.h.
18097 (fatal): Remove declaration.
18099 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
18101 * haifa-sched.c (schedule_block): Fix thinko.
18103 1999-11-03 James McKelvey <mckelvey@fafnir.com>
18105 * fixinc/fixincl.c(create_file): Allow for systems that do not have
18106 S_IR* defined values
18108 1999-11-03 Philippe De Muyter <phdm@macqel.be>
18110 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
18111 call `malloc' instead.
18113 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
18115 * flags.h (flag_renumber_insns): Declare.
18116 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
18118 * rtl.h (renumber_insns): Change prototype.
18119 * toplev.c (flag_renumber_insns): Define.
18120 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
18122 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
18124 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
18125 and fpsqrtd. Use them and create fdiv function unit to more
18126 accurately represent fpu sqrt pipeline semantics on UltraSparc.
18127 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
18129 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
18131 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
18133 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
18134 insn into ready list, do not use just a raw swap.
18136 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
18138 * rtl.h (renumber_insns): New function.
18139 (remove_unnecessary_notes): Likewise.
18140 * emit-rtl.c (renumber_insns): Define.
18141 (remove_unncessary_notes): Likewise.
18142 * toplev.c (rest_of_compilation): Remove dead code.
18143 Use renumber_insns and remove_unncessary_notes.
18145 * gcse.c (struct null_pointer_info): New type.
18146 (get_bitmap_width): New function.
18147 (current_block): Remove.
18148 (nonnull_local): Likewise.
18149 (nonnull_killed): Likewise.
18150 (invalidate_nonnull_info): Take a null_pointer_info as input.
18151 (delete_null_pointer_checks_1): New function.
18152 (delete_null_pointer_checks): Use it.
18154 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
18155 (split_edges): Likewise.
18156 (schedule_block): Likewise.
18157 (compute_block_backward_dependencies): Likewise.
18158 (schedule_region): Likewise.
18159 (schedule_insns): Likewise.
18161 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
18163 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
18164 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
18165 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
18166 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
18167 * jump.c (delete_unreferenced_labels): Don't delete if
18168 LABEL_ALTERNATE_NAME is set.
18169 * print-rtl.c (print_rtx): Dump alternate name.
18170 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
18171 * rtl.h (LABEL_ALTERNATE_NAME): Define.
18172 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
18173 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
18175 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18177 * fix-header.c (recognized_extern, recognized_function): Constify
18180 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
18181 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
18182 (compute_available): Remove unused variable `last'.
18183 (compute_nearerout): Remove unused variable `temp_bitmap'.
18184 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
18185 Remove unused variable `x'.
18187 * scan.h (recognized_function, recognized_extern): Constify a
18190 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
18192 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18194 * varasm.c (decode_rtx_const): Use XSTR to access the string
18197 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
18199 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
18201 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18203 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
18205 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
18207 * pa.c (ireg_operand): New function.
18208 * pa.h (PREDICATE_CODES): Handle ireg_operand.
18209 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
18210 Fix out of date comment.
18212 * pa.md (negdi2): Turn into expander + anonymous pattern.
18214 * reload.c (find_reloads): Fix typos in recent change.
18216 * dwarf2out.c: Do not include ctype.h.
18218 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
18220 * regclass.c (record_reg_classes): Always use may_move_cost when
18221 seeing how operand fits with various register classes.
18223 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
18225 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
18226 * toplev.c: Revert Nov 1 13:22 change.
18228 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
18230 * config/pa/pa.md (height reduction patterns): Add checks for
18231 overlapping operands to avoid semantic-destroying splits for
18232 height reduction patterns.
18234 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18236 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
18237 have been an hyphen, fixed.
18238 * configure: Rebuilt.
18240 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
18242 * config/arm/tpe.h: Add prototypes for exported functions.
18243 * config/arm/pe.c: Fix compile time warnings.
18244 * config/arm/semi.h: Fix compile time warnings.
18245 * config/arm/arm.c: Fix compile time warnings.
18246 * config/arm/arm.h: Fix compile time warnings.
18247 * config/arm/arm.md: Fix compile time warnings.
18248 * config/arm/thumb.c: Fix compile time warnings.
18249 * config/arm/thumb.h: Fix compile time warnings.
18250 * config/arm/thumb.md: Fix compile time warnings.
18252 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
18254 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
18257 * unroll.c (unroll_loop): Remove LOOP notes when loop is
18258 completely unrolled.
18260 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18262 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
18264 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
18266 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
18267 * rtl.h (rtx_equal_p): Move prototype.
18268 * rtl.c (rtx_equal_function_value_matters): Move from
18270 (rtx_equal_p): Likewise.
18271 * rtlanal.c (rtx_equal_function_value_matters): Delete.
18272 (rtx_equal_p): Likewise.
18274 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
18276 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
18277 ! HAS_INIT_SECTION.
18279 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
18281 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
18283 * pa.h (ADDR_VEC_ALIGN): Define.
18285 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
18286 notes when presented with "if (foo) break; end_of_loop" and
18287 the break sequence gets moved out of the loop.
18289 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
18290 Remove explicit zero initializations of entries within MAP.
18292 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
18294 * reg-stack.c (convert_regs_1): Handle EH edges specially.
18296 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
18298 * bitmap.h (BITMAP_XMALLOC): New macro.
18299 * flow.c (CLEAN_ALLOCA): Remove.
18300 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
18301 (life_analysis): Likewise.
18302 (update_life_info): Don't use CLEAN_ALLOCA.
18303 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
18304 (calculate_global_regs_live): Likewise.
18305 (print_rtl_with_bb): Likewise.
18306 (verify_flow_info): Likewise.
18307 * global.c (global_alloc): Likewise.
18308 (global_conflicts): Likewise.
18309 * integrate.c (save_for_inline_nocopy): Likewise.
18310 (expand_inline_function): Likewise.
18311 * jump.c (jump_optimize_1): Likewise.
18312 (duplicate_loop_exit_test): Likewise.
18313 (thread_jumps): Likewise.
18314 * loop.c (loop_optimize): Likewise.
18315 (combine_givs): Likewise.
18316 (recombine_givs): Likewise.
18317 * reorg.c (dbr_schedule): Likewise.
18318 * unroll.c (unroll_loop): Likewise.
18320 * combine.c (combine_instructions): Use xmalloc instead of alloca.
18322 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
18324 * toplev.c (rest_of_compilation): Don't optimize the CFG
18325 when rebuilding, just before dbr.
18327 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18329 * output.h (assemble_end_function, assemble_destructor,
18330 assemble_constructor, assemble_gc_entry, assemble_global,
18331 assemble_label, output_constant_pool) Constify a char*.
18333 * varasm.c (assemble_destructor, assemble_constructor,
18334 assemble_gc_entry, assemble_end_function, assemble_global,
18335 assemble_label, output_constant_pool): Likewise.
18337 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
18339 * config/arm/thumb.c (thumb_expand_prologue): Add comments
18340 explaining what is goin on in this function.
18342 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
18344 * regclass.c (record_reg_classes): In matching case, recompute
18345 costs since the direction of movement is different.
18347 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
18349 * resource.c (mark_target_live_regs): For unconditional branches,
18350 the resources found at the branch target should be added to the
18351 resources found so far, not intersected.
18353 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
18355 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
18357 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
18358 (sys/mman.h): Include this file only if #HAVE_MMAP.
18359 (run_compiles): Initialize `esac_fmt' with one old KR string, not
18360 with automatically concatenated ANSI strings.
18362 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
18364 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
18365 (DIV_ROUND_UP): Robustify.
18366 (ggc_recalculate_in_use_p): New function.
18367 (release_pages): Don't inline it.
18368 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
18370 (ggc_pop_context): Use ggc_recalculate_in_use_p.
18371 (clear_marks): Always save in_use_p.
18372 (sweep_pages): Use ggc_recalculate_in_use_p.
18373 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
18374 Release pages before counting statistics.
18376 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
18378 * toplev.c (rest_of_compilation): Fix thinko in this change:
18380 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
18382 (rest_of_compilation): If inside an inlined external function,
18383 pretend we are just being declared.
18385 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
18387 * flow.c (calculate_global_regs_live): Fix thinko.
18389 * integrate.c (expand_inline_function): Fix bugs in previous
18390 change from Oct 28, 1999.
18392 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
18394 * stmt.c (expand_value_return): Fix typo in this change:
18396 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
18397 (expand_value_return): Correctly convert VAL when promoting function
18398 return; support RETURN_REG being a PARALLEL.
18400 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
18402 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
18404 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18406 * hard-reg-set.h (reg_names): Constify a char*.
18408 * regclass.c (reg_names): Likewise.
18410 * regs.h (reg_names): Likewise
18412 * a29k/a29k.c (reg_names): Delete declaration.
18414 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
18416 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
18417 arc_output_function_epilogue): Likewise.
18419 * elxsi/elxsi.c (reg_names): Likewise.
18421 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
18423 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
18426 * m88k/m88k.c (output_function_profiler): Likewise.
18428 * sparc/sparc.c (sparc_flat_output_function_prologue,
18429 sparc_flat_output_function_epilogue): Likewise.
18431 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
18433 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
18434 warning from -Wuninitialized and put it under -W.
18435 * function.c (uninitialized_vars_warning): Warn only when the
18436 corresponding flag is set.
18438 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
18440 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
18441 is nonzero and the single set does not have an elt, then assign
18444 * simplify-rtx.c: New file.
18445 * Makefile.in (OBJS): Add simplify-rtx.o
18446 (simplify-rtx.o): Add dependencies.
18447 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
18448 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
18449 (cse_gen_binary, simplify_unary_operation): Delete.
18450 (simplify_binary_operation, simplify_plus_minus): Likewise.
18451 (check_fold_consts, simplify_relation_operation): Likewise.
18452 (simplify_ternary_operation): Likewise.
18453 (delete_trivially_dead_insns): Simplify the contents of the
18454 REG_EQUAL note before trying to substitute it into the source
18455 of the reg-reg copy at the end of a libcall sequence.
18457 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
18458 references/callers changed.
18460 * mn10200.c (mn10200_va_arg): Force the return value into a
18463 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
18465 * cccp.c (macroexpand): Avoid out of range accesses for omitted
18468 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
18470 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
18472 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
18474 * fold-const.c (fold): Fix thinko when optimizing comparisons
18477 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
18479 * gcc.texi (Passes): Update front-end files to their current
18482 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
18484 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
18485 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
18486 (PREDICATE_CODES): Add addition_operation.
18487 * alpha-protos.h (addition_operation): Declare.
18488 (secondary_reload_class): Likewise.
18489 * alpha.c (addition_operation): New.
18490 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
18491 * alpha.md (adddi3): Turn into expander.
18492 (*lda, *adddi_2): New.
18493 (movsf, movdf patterns): Don't preference integer regs.
18494 (movsi, movdi patterns): Don't preference fp regs.
18496 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
18498 * genrecog.c (write_switch): Check for duplicate CODE cases.
18500 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
18502 * ggc-common.c: Update pre-function commentary.
18503 * ggc-page.c: Likewise.
18505 (poison_pages): Use memset directly.
18506 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
18507 (ggc_collect): Poison before sweeping.
18508 * ggc-simple.c: Update pre-function commentary.
18509 (ggc_alloc_obj): Poison non-zeroed memory.
18511 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
18513 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
18514 match format string, even on 64-bit hosts.
18515 * gcc-page.c (ggc_page_print_statistics): Likewise.
18517 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
18519 * config/i386/i386.c (ix86_cpu): Revert last patch.
18520 * config/i386/i386.h (ix86_cpu): Ditto.
18522 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
18524 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
18525 TYPE_SIZE, convert type of result to sizetype.
18527 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
18529 * flow.c (count_or_remove_death_notes): Equate NULL with the
18532 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
18533 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
18536 * i386.c (pic_label_no): Delete.
18537 (ix86_attr_length_default): Don't use single_set to peek
18540 * recog.c (peephole2_optimize): Allow recog_next_insn to index
18541 the first insn after bb->end.
18542 * i386.md (push mem peeps): Scratch is live after evaluation
18544 (cmp mem peep): Similarly.
18546 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
18548 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
18549 * function.c (pad_to_arg_alignment): Add missing braces.
18551 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18553 * alpha/alpha-protos.h (literal_section): Add prototype.
18554 (alpha_need_linkage, alpha_start_function,alpha_end_function):
18557 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
18559 (alpha_start_function, alpha_end_function, float_strings,
18560 alpha_need_linkage): Constify a char*
18562 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
18564 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
18566 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
18568 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
18570 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18572 * flow.c (debug_flow_info): Add prototype.
18574 * gcc.c (main): Likewise.
18576 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
18579 * reload1.c (failed_reload, set_reload_reg): Likewise.
18581 * mips-tfile.c (main): Likewise.
18582 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
18583 with ATTRIBUTE_NORETURN.
18585 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
18587 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
18588 DECL is not a memory ref.
18590 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
18592 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
18593 * config/i386/i386.c (ix86_cpu): Add extern attribute.
18595 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
18597 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
18598 * config/mips/elf64.h: ditto.
18600 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
18602 * expr.c (emit_push_insn): New argument alignment_pad.
18603 Update all callers. Adjust stack pointer based on alignment pad.
18604 * function.c (pad_to_arg_alignment): New argument alignment_pad.
18605 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
18606 (locate_and_pad_parm): New argument alignment_pad. Update all
18608 * expr.h (emit_push_insn): Update prototype.
18609 (locate_and_pad_parm): Update prototype.
18610 * calls.c (arg_data): Add new field alignment_pad.
18611 (initialize_argument_information): Initialize alignment_pad.
18613 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
18615 * except.c (free_eh_nesting_info): Free the info itself.
18616 * function.c (free_after_compilation): Don't free NULL.
18617 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
18618 (pre_edge_insert): Free inserted.
18619 * stmt.c (free_stmt_status): Don't free NULL.
18621 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
18623 * gcov.c (DIR_SEPARATOR): Provide default.
18624 (output_data): Add test for MS-DOS format absolute filename.
18625 (fancy_abort): Correct program name.
18626 (open_files): Open all files in binary mode.
18627 * libgcc2.c (__bb_exit_func): Likewise.
18629 * profile.c (init_branch_prob): Specify binary when opening files.
18631 * flags.h (flag_unwind_tables): New decl.
18632 * toplev.c (flag_unwind_table): New definition.
18633 (f_options): Add -funwind-tables.
18634 (decode_g_option): Clarify warning when unknown -g option is given.
18635 (rest_of_compilation): If inside an inlined external function,
18636 pretend we are just being declared.
18638 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
18639 (dwarf2out_frame_finish): Likewise.
18641 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
18643 * fold-const.c (merge_ranges): If not in0, but in1, handle
18644 upper bounds equal like subset case.
18646 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
18648 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
18649 passed in a register but moved to the stack.
18651 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
18653 * gcc.c (pass_exit_codes, greatest_status): New variables.
18654 (struct option_map): Add entry for "--pass-exit-codes".
18655 (execute): Update greatest_status if error.
18656 (display_help): Add documentation for -pass-exit-codes.
18657 (process_command): Handle -pass-exit-codes.
18658 (main): Look at pass_exit_codes and greatest_status on call to exit.
18660 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
18662 * reload.c (find_reloads): Refine test for no input reload
18663 case to not includes reloads emitted after insn.
18665 * function.c (find_temp_slots_from_address): Handle sum involving
18666 a register that points to a temp slot.
18667 (update_temp_slot_address): Make recursive call if both old and
18668 new are PLUS with a common operand.
18669 * calls.c (expand_call): Mark temp slot for result as having
18672 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
18674 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
18675 component as well as "BINUTILS".
18677 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
18678 * integrate.c (copy_rtx_and_substitute): Likewise.
18679 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
18680 All callers changed.
18681 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
18683 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
18684 gdb extensions, write size of type; also be more consistent
18685 in using references when this is a subtype.
18687 * pa.md (extv, extzv, insv): Use define_expand to reject constant
18688 that is out of range.
18690 * loop.c (unknown_constant_address_altered): New variable.
18691 (prescan_loop): Initialize it.
18692 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
18693 (invariant_p, case MEM): Remove handling for volatile and readonly;
18694 check new variable if readonly.
18695 (check_dbra_loop): Chdeck unknown_constant_address_altered.
18697 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
18698 (addr_affects_sp_p): Removed from note_mem_written and only
18699 define #ifdef AUTO_INC_DEC.
18701 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
18703 * regclass.c (record_reg_classes): Properly handle register move
18706 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
18707 Don't think valid if both operands are invalid.
18708 (struct constant_descriptor): New field RTL.
18709 (mark_const_hash_entry): Mark it.
18710 (record_constant{,_rtx}): Initialize it.
18711 (output_constant_def): Allocate RTL in permanent obstack and
18713 ({record,compare}_constant_1): Modes must match for
18714 CONSTRUCTOR of ARRAY_TYPE.
18716 * c-common.h (initializer_constant_valid_p): Delete decl from here.
18717 * output.h (initializer_constant_valid_p): Move decl to here.
18718 * c-common.c (initializer_constant_valid_p): Delete function from here.
18719 * varasm.c (initializer_constant_valid_p): Move function to here.
18721 * tree.h (STRIP_SIGN_NOPS): New macro.
18722 * fold-const.c (optimize_minmax_comparison): New function.
18723 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
18724 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
18725 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
18726 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
18727 widening conversions.
18728 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
18729 to look at size of mode, not precision of type; also add missing cases.
18730 (optimize_bit_field_compare, decode_field_reference): Don't try to
18731 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
18733 * dwarf2out.c (ctype.h): Include.
18734 (dwarf2out_set_demangle_name_func): New function.
18735 (size_of_line_info): Deleted.
18736 (output_line_info): Compute size of line info table from difference
18738 (base_type_die, add_name_attribute): Call demangle function, if any.
18739 (field_byte_offset): Use bits per word for variable length fields.
18740 (gen_array_type_die): Add array name.
18741 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
18742 (dwarf2out_add_library_unit_info): New function.
18744 * explow.c (set_stack_check_libfunc): New function.
18745 (stack_check_libfunc): New static variable.
18746 (probe_stack_range): Allow front-end to set up a libfunc to call.
18748 * combine.c (simplify_comparison): When making comparison in wider
18749 mode, check for having commuted an AND and a SUBREG.
18750 (contains_muldiv): New function.
18751 (try_combine): Call it when dividing a PARALLEL.
18752 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
18753 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
18755 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
18756 use one of the CLOBBERs instead.
18757 (if_then_else_cond): If comparing against zero, just return thing
18760 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
18761 Don't generate shifts and subtract if have conditional arithmetic.
18763 * rtl.h (delete_barrier): New declaration.
18764 * jump.c (jump_optimize): Set up to handle conditional call.
18765 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
18766 (delete_barrier): New function.
18768 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
18770 * recog.c (nonmemory_operand): Accept ADDRESSOF.
18772 * tree.c (build_type_attribute_variant): Push to obstack of
18773 ttype around type_hash_canon call.
18775 * expr.c (placeholder_list): Move decl to file scope.
18776 (expand_expr): Don't force access to volatile just because its
18778 If ignoring reference operations, just expand the operands.
18779 (expand_expr, case COMPONENT_REF): Propagate
18780 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
18781 Refine test for using bitfield operations vs pointer punning.
18782 (expand_expr, case CONVERT_EXPR): If converting to
18783 BLKmode UNION_TYPE from BLKmode, just return inner object.
18784 Use proper mode in store_field call.
18785 Properly set sizes of object to store and total size in store_field
18786 call for convert to union.
18787 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
18788 memory (like for ADDR_EXPR). Also, don't put constant in register if
18789 we'll want it in memory.
18790 (readonly_fields_p): New function.
18791 (expand_expr, case INDIRECT_REF): Call it if LHS.
18792 (expand_assignment): Handle a RESULT_DECL where
18793 DECL_RTL is a PARALLEL.
18794 (do_jump, case WITH_RECORD_EXPR): New case.
18795 (get_inner_reference): Always go inside a CONVERT_EXPR
18796 and NOP_EXPR if both modes are the same.
18797 (store_field): Use bitfield operations if size of bitsize is not same
18798 as size of RHS's type.
18799 Check for bitpos not a multiple of alignment in BLKmode case.
18800 Do block move in largest possible alignment.
18801 (store_constructor): Set BITSIZE to -1 for variable size and properly
18802 in case of array of BLKmode.
18803 (expand_expr_unaligned): New function.
18804 (do_compare_and_jump): Call it.
18806 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
18807 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
18808 does not include 'o'.
18810 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
18811 both SET_DEST and SET_SRC reference a virtual register.
18812 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
18814 * integrate.c (expand_inline_function): Handle case of setting
18815 virtual stack vars register (from built in setjmp); when parameter
18816 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
18817 (subst_constant): Add new parm, MEMONLY.
18818 (expand_inline_function, integrate_parm_decls): Pass new parm.
18819 (integrate_decl_tree): Likewise.
18820 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
18821 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
18822 (copy_rtx_and_substitute, case SET): Add explicit calls to
18823 copy_rtx_and_substitute for both sides.
18825 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
18827 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
18828 within INDEX_TYPE, instead of before.
18829 (fixup_gotos): Use f->target_rtl, not the next insn,
18830 since latter may be from a later fixup.
18831 (expand_value_return): Correctly convert VAL when promoting function
18832 return; support RETURN_REG being a PARALLEL.
18833 (expand_return): When checking for result in regs and having
18834 cleanup, consider PARALLEL in DECL_RTL as being in regs.
18836 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
18838 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
18839 last_nominal_fname): Mark const.
18840 (struct include_hash: name, nshort, control_macro): Mark
18842 (struct macrodef: symnam): Mark const.
18843 (struct if_stack: fname): Mark const.
18844 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
18845 (IStable): New character-syntax array which encompasses all
18846 the old is_foo arrays.
18847 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
18848 is_space): New macros for interrogating IStable.
18849 (check_macro_name): Kill last argument. All callers changed.
18851 * cppinit.c (initialize_char_syntax): Delete.
18852 (is_idchar, is_idstart, is_hor_space, is_space,
18853 trigraph_table): Delete.
18854 (IStable): New. Initialize with clever macros to avoid
18855 information duplication.
18856 (builtin_array): Table of builtins to get rid of explicit list
18857 in initialize_builtins.
18858 (initialize_builtins): Use builtins_array.
18859 (cpp_start_read): Call init_IStable, and set IStable['$'] if
18860 opts->dollars_in_ident.
18862 * cppexp.c: Change all refs to is_xyz[] arrays to use new
18864 (cpp_parse_expr): Avoid 'format string is not constant'
18865 warning. Use ISGRAPH to identify printable chars.
18866 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
18868 (read_and_prescan): Map trigraphs to chars with open-coded
18869 if-else-if-... sequence, not a lookup table.
18870 * cpphash.c: Change all refs to is_xyz[] arrays to use new
18872 * cpplib.c: Change all refs to is_xyz[] arrays to use new
18873 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
18874 (check_macro_name): Remove ability to report an invalid
18875 assertion name, which is never used.
18876 (do_line): Constify a couple of char *'s.
18877 * cppmain.c (main): Call cpp_cleanup before returning.
18879 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
18881 * ggc.h (struct ggc_statistics): New type.
18882 (ggc_get_size): New function.
18883 (ggc_print_statistics): Likewise.
18884 * ggc-common.c (ggc_stats): New variable.
18885 (ggc_mark_rtx_children): Keep statistics.
18886 (ggc_mark_tree_children): Likewise.
18887 (ggc_print_statistics): New function.
18888 * ggc-page.c (struct globals): Add bytes_mapped field.
18889 (alloc_anon): Update it.
18890 (release_pages): Likewise.
18891 (ggc_get_size): New function.
18892 (ggc_page_print_statistics): New function.
18893 * ggc-simple.c (ggc_get_size): New function.
18895 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
18897 * flow.c (propagate_block): When the last reference to a label
18898 before an ADDR_VEC is deleted because the reference is a dead
18899 store, delete the ADDR_VEC.
18901 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
18903 * resource.c (find_free_register): Don't use the frame pointer
18904 if frame_pointer_needed.
18906 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
18908 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
18909 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
18911 * config/i960/i960.c (i960_va_start): New locals base, num.
18912 Use INDIRECT_REF instead of ARRAY_REF on valist.
18913 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
18915 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
18917 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
18919 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
18921 * tree.def (PLACEHOLDER_EXPR): Update comments.
18923 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18925 * c-common.c (check_format_info): Avoid non-literal format string
18926 warnings when `first_arg_num' is zero.
18928 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18930 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
18932 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
18934 * arm.md (casesi_insn): Add a clobber of the condition code
18937 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
18939 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
18940 used by both cc1 and cc1plus.
18942 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
18944 * config/arm/arm.c: Initialise arm_structure_size_boundary to
18945 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
18946 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
18947 to the value 32 if it has not already been defined.
18948 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
18949 Override definition in arm.h with a value of 8.
18951 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
18953 * c-pragma.c (push_alignment): Don't check the return value
18956 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
18958 * sparc.h (ADJUST_COST): Fix thinko.
18960 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
18962 * cccp.c (rescan): Fixed obp pointer handling around call to
18963 check_expand subroutine.
18965 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
18967 * gcse.c (delete_null_pointer_checks): Only record non-null info
18968 for pseudos when examining stores.
18970 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
18971 splitters for these patterns. Use "#" for output templates.
18972 (addsi3_carryin_shift): New pattern.
18974 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
18976 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
18977 of the function return register into a plain REG until
18978 after function inlining is done.
18980 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
18982 * jump.c (jump_optimize_1): If we did cross-jumping, and
18983 the data will matter, rebuild the CFG.
18984 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
18985 not optimizing. Don't run shorten_branches.
18986 * toplev.c (rest_of_compilation): Run shorten_branches after
18989 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
18991 * rtl.h (note_stores): Add additional paramter.
18992 * rtlanal.c (reg_set_p_1): Take additional paramter.
18993 (reg_set_last_1): Likewise.
18994 (reg_set_p): Adjust call to note_stores.
18995 (reg_set_last): Likewise.
18996 (note_stores): Pass data parameter to worker function.
18997 * alias.c (record_set): Take additional parameter.
18998 (init_alias_analysis): Pass it.
18999 * caller-save.c (mark_set_regs): Take additional parameter.
19000 (save_call_clobbered_regs): Pass NULL to note_stores.
19001 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
19003 (record_dead_and_set_regs_1): Likewise.
19004 (reg_dead_at_p_1): Likewise.
19005 (combine_instructions): Adjust calls to note_stores.
19006 (try_combine): Likewise.
19007 (record_dead_insn): Remove.
19008 (record_dead_and_set_regs): Adjust calls to note_stores.
19009 (reg_dead_at_p): Likewise.
19010 * cse.c (invalidate_skipped_set): Take additional parameter.
19011 (cse_check_loop_start): Likewise.
19012 (cse_check_loop_start_value): Remove.
19013 (cse_set_around_loop): Adjust calls to note_stores.
19014 * flow.c (notice_stack_pointer_modification): Take additional
19015 parameter. Remove duplicate declaration.
19016 (record_volatile_insns): Adjust calls to note_stores.
19017 * gcse.c (record_set_info): Take additional parameter.
19018 (record_last_set_info): Likewise.
19019 (invalidate_nonnull_info): Likewise.
19020 (record_set_insn): Remove.
19021 (compute_sets): Adjust calls to note_stores.
19022 (last_set_insn): Remove.
19023 (compute_hash_table): Adjust calls to note_stores.
19024 (insert_insn_end_bb): Likewise.
19025 (delete_null_pointer_checks): Likewise.
19026 * global.c (mark_reg_store): Take additional parameter.
19027 (mark_reg_clobber): Likewise.
19028 (reg_becomes_live): Likewise.
19029 (global_conflicts): Adjust calls to note_stores.
19030 (build_insn_chain): Likewise.
19031 * integrate.c (note_modified_parmregs): Take additional parameter.
19032 (mark_stores): Likewise. Make it static.
19033 (save_for_inline_nocopy): Adjust calls to note_stores.
19034 (try_constants): Likewise.
19035 * integrate.h (mark_stores): Remove declaration.
19036 * jump.c (mark_modified_reg): Take additional parameter.
19037 (thread_jumps): Adjust calls to note_stores.
19038 * local-alloc.c (validate_equiv_mem_from_store): Take additional
19040 (no_equiv): Likewise.
19041 (reg_is_set): Likewise.
19042 (validate_equiv_mem): Adjust calls to note_stores.
19043 (update_equiv_regs): Likewise.
19044 (block_alloc): Likewise.
19045 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
19046 (note_addr_stored): Take additional parameter.
19047 (note_set_pseudo_multiple_uses): Likewise.
19048 (record_initial): Likewise.
19049 (prescan_loop): Adjust calls to note_stores.
19050 (strength_reduce): Likewise.
19051 (check_dbra_loop): Likewise.
19052 * regmove.c (flags_set_1): Take additional paramter.
19053 (mark_flags_life_zones): Adjust calls to note_stores.
19054 * reload1.c (mark_not_eliminable): Take additional parameter.
19055 (forget_old_reloads_1): Likewise.
19056 (reload_cse_invalidate_rtx): Likewise.
19057 (reload_cse_check_clobber): Likewise.
19058 (reload_combine_note_store): Likewise.
19059 (move2add_note_store): Likewise.
19060 (reload): Adjust calls to note_stores.
19061 (reload_as_needed): Likewise.
19062 (emit_reload_insns): Likewise.
19063 (reload_cse_regs_1): Likewise.
19064 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
19065 (reload_combine): Adjust calls to note_stores.
19066 * resource.c (update_live_status): Take additional paramter.
19067 (mark_target_live_regs): Adjust calls to note_stores.
19068 * stupid.c (find_clobbered_regs): Take additional parameter.
19069 (stupid_life_analysis): Adjust calls to note_stores.
19071 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
19073 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
19076 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
19079 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
19080 of the variable arm_structure_size_boundary.
19082 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
19084 * alias.c (init_alias_analysis): Allocate reg_known_value and
19085 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
19087 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
19088 * cse.c (cse_main): Call end_alias_analysis.
19089 * haifa-sched.c (schedule_insns): Likewise.
19090 * local-alloc. (update_equiv_regs): Likewise.
19091 * reload1.c (reload_cse_regs): Likewise.
19093 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
19095 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
19096 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
19097 mapping from MASK_FPU.
19099 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
19101 * sparc.md (call): Don't bound structure return size to 0xfff.
19103 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
19105 * resource.c (mark_target_live_regs): Check that the target
19106 insn wasn't created after compute_bb_for_insn.
19108 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
19110 * ggc-page.c (poison_pages): Don't be overzealous.
19112 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
19114 * alias.c: Update comments for ADDRESS.
19115 (nonlocal_reference_p): Look inside the ADDRESS to determine if
19116 it is a local memory reference.
19118 * c-typeck.c (build_function_call): Check that the built-in
19119 function is of class BUILT_IN_NORMAL before trying to recongize
19120 it as BUILT_IN_ABS.
19121 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
19122 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
19124 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
19126 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
19128 (pre_gcse): Likewise.
19129 (hoist_expr_reaches_here_p): Likewise.
19130 (hoist_code): Likewise.
19131 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
19133 (pre_expr_reaches_here_p_work): ... here.
19134 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
19136 (expr_reaches_here_p_work): ... here.
19138 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
19140 * resource.c (find_basic_block): Delete.
19141 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
19142 (init_resource_info): Call compute_bb_for_insn.
19144 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
19146 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
19147 with already adjacent blocks, but no fallthru.
19148 (merge_blocks_move_successor_nojumps): Simplify.
19149 (debug_flow_info): New.
19151 * toplev.c (rest_of_compilation): Open jump1 dump file before
19152 jump and close after, as opposed to just using dump_rtl.
19154 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19156 * reload.h (earlyclobber_operand_p): Declare.
19157 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
19158 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
19159 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
19160 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
19162 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
19163 Richard Henderson <rth@cygnus.com>
19165 * emit-rtl.c (emit_block_insn_before): New.
19166 (emit_block_insn_after): New.
19167 * basic-block.h: Declare them.
19169 * bitmap.h: Protect from multiple inclusion.
19171 * recog.c (scratch_operand): Handle VOIDmode correctly.
19173 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
19175 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
19176 * function.c (assign_parms): Likewise.
19177 * global.c (global_conflicts): Clarify STACK_REGS commentary.
19179 * reg-stack.c (max_uid): Remove.
19180 (blocks, block_begin, block_end, block_drops_in): Remove.
19181 (block_stack_in, block_out_reg_set, block_number): Remove.
19182 (struct block_info_def, BLOCK_INFO): New.
19183 (enum emit_where): New.
19184 (current_block): New.
19185 (BLOCK_NUM): Remove.
19186 (mark_regs_pat, record_label_references): Remove.
19187 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
19189 (goto_block_pat, print_blocks, dump_stack_info): Remove.
19190 (reg_to_stack): Simplified test for existance of fp code. Use
19191 flow.c code. Call shorten_branches after cross-jump opt.
19192 (check_asm_stack_operands): Renamed from record_asm_reg_life.
19193 Return false if the asm doesn't use stack regs. Don't do life
19194 analysis on the asm.
19195 (emit_pop_insn): Replace function pointer arg `when' with
19196 enum `where'. Update all callers.
19197 (change_stack): Likewise. Update basic block end.
19198 (emit_swap_insn): Use current_block->head to limit reverse search
19199 for start of block. Use emit_block_insn_after.
19200 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
19201 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
19202 structure assignment instead of bcopy.
19203 (print_stack): New.
19204 (convert_regs_entry, convert_regs_exit): New.
19205 (convert_regs_1, convert_regs_2): Split out from convert_regs.
19206 Work on basic blocks and the CFG.
19207 (convert_regs): Use them.
19209 * i386.c (output_fix_trunc): Remove code for DImode input operand
19210 not at top-of-stack.
19211 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
19213 (fix_truncdi_1): Allow any mode scratch.
19215 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
19217 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
19218 * linux.h, netbsd.h, vms.h: Not here.
19220 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
19222 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
19223 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
19224 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
19225 CONDITIONAL_REGISTER_USEAGE): Use them.
19226 * config/mips/mips.c (mips_move_1word,mips_move_2words,
19227 gen_conditional_branch,override_options) : Use them.
19228 * config/mips/mips.md : Use them.
19230 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
19232 * i386.md (zero_extendqihi2): Use SImode register name with andl.
19234 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
19236 * integrate.c (function_cannot_inline_p): Don't allow inlining
19239 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19241 * c-parse.in (cast_expr): Constify.
19243 * cccp.c (special_symbol): Likewise.
19245 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
19247 * dwarf2out.c (base_type_die): Likewise.
19249 * global.c (allocno_compare): Likewise.
19251 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
19253 * regclass.c (fix_register): Likewise.
19255 * rtl.h (fix_register): Likewise.
19257 * stupid.c (stupid_reg_compare): Likewise.
19259 * toplev.c (decode_f_option): Likewise.
19261 * tree.c (build_complex_type): Likewise.
19263 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
19265 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
19267 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19269 * reload.c (find_reloads): Compute mode and nregs fields of all
19271 * reload1.c (calculate_needs_all_insns): Simplify a bit.
19272 (calculate_needs): Use precomputed mode/nregs values.
19273 (allocate_reload_reg): Likewise.
19275 (failed_reload, set_reload_reg): ... new functions.
19276 (choose_reload_regs_init): New function, mostly broken out from...
19277 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
19278 Also lose one #if 0 block.
19280 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
19282 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
19285 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
19287 * tree.h (BLOCK_TYPE_TAGS): Remove.
19288 (BLOCK_END_NOTE): Likewise.
19289 (BLOCK_LIVE_RANGE_FLAG): Likewise.
19290 (BLOCK_LIVE_RANGE_START): Likewise.
19291 (BLOCK_LIVE_RANGE_END): Likewise.
19292 (tree_block): Remove live_range_flag, live_range_var_flag, and
19293 type_tags. Remove end_note, live_range_start, and live_range_end.
19294 (remember_end_note): Remove prototype.
19295 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
19296 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
19298 * ggc-common.c (ggc_mark_tree_children): Don't mark
19299 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
19300 * integrate.c (adjust_copied_decl_tree): Remove.
19301 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
19302 * stmt.c (last_block_end_note): Remove.
19303 (init_stmt): Don't add a GC root for it.
19304 (expand_fixup): Don't set it.
19305 (remember_end_note): Remove.
19306 (expand_end_bindings): Don't set last_block_end_note.
19308 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19310 * reload1.c (reload_reg_free_for_value_p): Show
19311 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
19314 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
19316 * expmed.c (extract_bit_field): Allow for the case of non-integer
19317 objects that are smaller than a word (like SFmode on a 64-bit
19320 * loop.c (basic_induction_var): A non-integer variable which is
19321 being set by a paradoxical subreg is probably not a biv.
19323 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
19325 * prefix.c (translate_name) Check for empty prefix string.
19327 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
19329 * Makefile.in (CPP_CROSS_NAME): New variable.
19330 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
19332 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
19333 names of the files to be uninstalled.
19335 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
19337 * collect2.c (IS_DIR_SEPARATOR): Define.
19338 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
19340 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
19343 * haifa-sched.c (add_dependence): Update the true dependency
19344 cache the first time we add a true dependence to the LOG_LINKS chain.
19346 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
19348 * fold-const.c (fold): Fix comment.
19350 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19352 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
19353 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
19354 dbxout_start_new_source_file, dbxout_source_file,
19355 dbxout_source_line, dbxout_finish, dbxout_type_fields,
19356 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
19358 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
19359 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
19360 (dbxout_block): Initialize variable `blocknum'.
19362 * dbxout.h (dbxout_init, dbxout_finish,
19363 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
19364 dbxout_args, dbxout_source_line): Constify a char*.
19366 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
19367 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
19368 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
19369 low_pc_attribute, high_pc_attribute, body_begin_attribute,
19370 body_end_attribute, comp_dir_attribute, sf_names_attribute,
19371 src_info_attribute, mac_info_attribute, producer_attribute,
19372 lookup_filename, generate_macinfo_entry, fundamental_type_code,
19373 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
19374 dwarfout_undef): Constify a char*.
19375 (add_incomplete_type, retry_incomplete_types): Add prototypes.
19377 * dwarfout.h (dwarfout_define, dwarfout_undef,
19378 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
19380 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
19382 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
19383 (MULTILIB_ISA_DEFAULT): New.
19384 (MULTILIB_DEFAULTS): Use it.
19385 * config/mips/mips.c (): Remove the now unnecessary definition
19386 of MIPS_ISA_DEFAULT.
19387 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
19388 unnecessary definition.
19390 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
19392 * arm.md (pic_load_addr): Add constraints to operand 1.
19394 1999-10-25 Bruce Korb <autogen@linuxbox.com>
19396 * fixinc/genfixes: Provide a means for specifying -D options to
19399 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
19401 * arm.c (arm_override_options): Correct initialization of
19402 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
19403 arm_is_strong, and arm_is_6_or_7.
19405 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
19406 (note_set_pseudo_multiple_uses): New function.
19407 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
19408 if a pseudo set in the loop exit is used elsewhere.
19410 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
19412 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
19414 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
19416 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
19417 a single load-address pattern.
19419 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
19421 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
19422 depending on whether or not line-number notes are present.
19424 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19426 * cccp.c (progname, file_buf, default_include, include_file,
19427 macrodef, definition, hashval, wchar_type, user_label_prefix,
19428 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
19429 expand_to_temp_buffer, is_system_include, base_name,
19430 absolute_filename, read_name_map, open_include_file,
19431 record_control_macro, check_precompiled, check_preconditions,
19432 pcfinclude, pass_thru_directive, create_definition,
19433 check_macro_name, comp_def_part, collect_expansion,
19434 check_assertion, read_token_list, assertion_install,
19435 assertion_lookup, eval_if_expression, conditional_skip,
19436 validate_else, skip_quoted_string, quote_string, macarg1,
19437 error_from_errno, install, lookup, hashf, dump_defn_1,
19438 perror_with_name, pfatal_with_name, main, trigraph_pcp,
19439 check_white_space, rescan, handle_directive, monthnames,
19440 special_symbol, do_include, remap_include_file, write_output,
19441 arglist, do_assert, do_unassert, do_line, do_error, do_once,
19442 do_ident, do_sccs, do_xifdef, skip_if_group,
19443 output_line_directive, macroexpand, macarg, change_newlines,
19444 initialize_builtins, make_definition): Constify a char*.
19446 * pcp.h (stringdef): Likewise.
19448 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
19450 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
19453 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
19454 Richard Henderson <rth@cygnus.com>
19456 * alias.c: Include ggc.h.
19457 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
19458 (record_set): Verify enough room in reg_base_value.
19459 (init_alias_analysis): Allocate reg_base_value with xcalloc.
19460 Register it as a GC root.
19461 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
19462 * Makefile.in (alias.o): Depend on ggc.h.
19464 * unroll.c (unroll_loop): Verify the insn before a barrier
19465 is a JUMP_INSN before checking JUMP_LABEL.
19467 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19469 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
19470 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
19471 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
19472 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
19473 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
19474 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
19476 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19478 * output.h (ctors_section, dtors_section, bss_section): Prototype.
19480 * alpha/alpha-interix.h (text_section): Delete prototype.
19481 * alpha/elf.h (text_section): Likewise.
19482 * arm/linux-elf.h (text_section): Likewise.
19483 * arm/linux-telf.h (text_section): Likewise.
19484 * c4x/c4x.h (text_section): Likewise.
19485 * dsp16xx/dsp16xx.h (bss_section): Likewise.
19486 * elfos.h (text_section): Likewise.
19487 * i386/aix386ng.h (text_section): Likewise.
19488 * i386/i386-interix.h (text_section): Likewise.
19489 * i386/sco5.h (text_section): Likewise.
19490 * i386/svr3gas.h (text_section): Likewise.
19491 * nextstep.h (text_section): Likewise.
19492 * psos.h (text_section): Likewise.
19493 * ptx4.h (text_section): Likewise.
19494 * svr3.h (text_section): Likewise.
19495 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
19497 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19499 * final.c (peephole): Delete prototype.
19501 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
19502 (pre_insert_copies): Remove unused variable `bb'.
19504 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
19507 * output.h (peephole): Add prototype.
19509 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
19511 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
19514 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
19516 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
19517 for inlined declarations.
19519 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
19521 * arm.c (logical_binary_operator): New fucntion.
19522 * arm.h (logical_binary_operator): Declare it.
19523 (PREDICATE_CODES): Handle logical_binary_operator.
19524 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
19525 output constraints. Add appropriate splitters.
19526 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
19527 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
19528 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
19530 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19532 * genoutput.c (struct operand_data): New elt eliminable.
19533 (output_operand_data): Write it.
19534 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
19535 (compare_operands): Take it into account.
19536 * recog.h (struct insn_operand_data): New elt eliminable.
19537 * reload1.c (check_eliminable_occurrences, elimination_effects): New
19539 (old_asm_operands_vec, new_asm_operands_vec): Delete.
19540 (eliminate_regs): Move code that detects changes to elimination
19541 target regs into new function elimination_effects.
19542 Delete one #if 0 block.
19543 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
19544 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
19545 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
19546 Only call eliminate_regs for real operands of the insn, not for parts
19547 of its structure or parts matched by things like match_operator.
19548 Use elimination_effects and check_eliminable_occurrences. Use
19549 copy_insn to duplicate the pattern when not in the final pass.
19551 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
19553 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
19556 1999-10-22 Bruce Korb <autogen@linuxbox.com>
19558 * fixinc/README: document the "mach" machine matching test
19559 * fixinc/fixfixes.c: Implement the #else/#endif label fix
19560 * fixinc/fixtests.c: Implement the #else/#endif label test
19561 * fixinc/inclhack.def: utilize these tests and fixes
19562 * fixinc/inclhack.sh: regen
19563 * fixinc/fixincl.x: regen
19564 * fixinc/fixincl.sh: regen
19566 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
19568 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
19571 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
19573 * gcc.1: Document exit codes.
19575 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19577 * calls.c: Include tm_p.h later, so everything we need is defined.
19578 * expr.c: Likewise.
19579 * function.c: Likewise.
19581 * except.c: Include tm_p.h.
19583 * sparc.c: Likewise.
19584 (dwarf2out_cfi_label): Don't prototype.
19585 (check_return_regs, epilogue_renumber,
19586 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
19587 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
19588 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
19589 ultra_schedule_insn): Add static prototype.
19590 (data_segment_operand, text_segment_operand): Call itself with the
19591 proper number of arguments.
19592 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
19594 * sparc.h: Move all declarations to sparc-protos.h.
19595 (SELECT_RTX_SECTION): Pass a missing MODE argument to
19598 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
19600 * config/svr4.h (text_section, ctors_section, dtors_section): Add
19602 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
19603 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
19604 ASM_OUTPUT_ASCII): Constify a char*.
19606 * sparc-protos.h: New file for sparc prototypes.
19608 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19610 * function.c (record_insns, contains): Always declare and define.
19611 (record_insns): Mark with ATTRIBUTE_UNUSED.
19613 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
19615 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
19616 to .section when outputting a .bss section to deal with multiple
19617 .bss input sections (as happens with -fdata-sections)
19618 Also output %progbits, not @progbits so the assembler doesn't treat as
19620 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
19622 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
19623 thumb parts even when building with non-thumb CPUs, by forcing
19626 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
19628 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
19629 (movdf_const_intreg_sp64): Similarly.
19631 * local-alloc.c (update_equiv_regs): Check the correct insn
19632 for pre-existing REG_EQUIV notes.
19634 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
19636 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
19637 block reached by a branch if we're not going to actually process
19640 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
19642 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
19643 a local extern function declaration.
19645 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
19647 * i386.c (ix86_expand_prologue): Properly wrap USE around
19648 reg for CALL_INSN_FUNCTION_USAGE.
19650 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
19652 * config/mips/mips.md (movdf_internal1a): Allow floating-point
19653 move between GP_REGs.
19655 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
19657 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
19658 the mode size when finding out if an offset is legal.
19660 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
19662 * basic-block.h (PROP_*): Move constants from ...
19663 * flow.c: ... here.
19664 (compute_bb_for_insn): Free the array before reallocating.
19665 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
19666 (allocate_reg_life_data): Reset all reg variables collected by
19668 (get_block_head_tail): Don't convert from bb to block.
19669 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
19670 (find_insn_reg_weight): Take block not bb.
19671 (schedule_block): Don't set block num for moved insns.
19672 (schedule_region): Don't update_life_info or find_insn_reg_weight.
19673 (schedule_insns): Do it here instead.
19674 * combine.c (combine_instructions): Invoke compute_bb_for_insn
19675 before update_life_info.
19676 * recog.c (split_all_insns, peephole2_optimize): Update for
19677 new arg to update_life_info.
19678 * rtlanal.c (remove_note): Cope with NULL note.
19679 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
19682 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
19684 * jump.c (jump_optimize_1): More accurately detect casesi insns.
19686 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
19687 block records so that merge_blocks_nomove will clean up correctly.
19688 (split_edge): Handle casesi insns.
19690 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
19692 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
19694 * pa.md (call, call_value): Do not emit a blockage after restoring
19697 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
19699 * c-typeck.c (c_expand_asm_operands): Fix typo.
19701 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19703 * arm.c (fpu_rhs_operand): Verify modes.
19704 (fpu_add_operand): Likewise.
19705 (di_operand): Likewise.
19706 (soft_df_operand): Likewise.
19708 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
19710 * arm.c (arm_return_in_memory): APCS rules state that the elements
19711 of a structure returned in a register must be 'integer-like'.
19713 1999-10-19 Bruce Korb <autogen@linuxbox.com>
19715 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
19716 in the source tree when the generated targets are out of date
19717 * fixinc/genfixes: Alter it to run individual fixes for make.
19718 * fixinc/README: rewrite
19719 * fixinc/inclhack.def: moved initial comments to README
19721 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
19723 * toplev.c (main): Do not generate an error message if an
19724 unrecognised command line switch is recognisable by another
19725 language. If extra_warnings are enabled, then generate a
19726 warning message instead.
19728 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
19730 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
19731 (insert_pack_attributes): Delete prototype.
19733 * c-pragma.c (default_alignment): New static variable.
19734 (push_alignment): Initialize to current effective alignment.
19735 (pop_alignment): Use to set new alignment.
19736 (insert_pack_attributes): Delete function.
19737 (handle_pragma_token): Set default_alignment as well each time
19738 a #pragma pack(<n>) is encountered.
19740 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
19742 * reg-stack.c (stack_result): Aggregates are not returned in
19745 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
19747 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
19749 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
19751 * basic-block.h (set_block_num): Declare.
19752 * flow.c (update_life_info): Don't call compute_bb_for_insn
19753 or free_basic_block_vars.
19754 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
19755 (insn_orig_block): Remove.
19756 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
19757 (schedule_block): Keep BLOCK_NUM up-to-date.
19758 (schedule_insns): Use compute_bb_for_insn.
19759 * recog.c (split_all_insns): Likewise.
19760 (peephole2_optimize): Likewise.
19762 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
19764 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
19765 if the pic register is used.
19767 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19769 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
19770 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
19771 if that tests TREE_PERMANENT.
19773 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
19775 * cse.c (invalidate_for_call): Do not remove memory references from
19776 the table here. It's handled elsewhere.
19778 * haifa-sched.c (add_dependence): Protect references to the
19779 true dependency cache with #ifdef INSN_SCHEDULING.
19780 (remove_dependence): Similarly.
19782 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
19783 to the cfg code that this is a return instruction.
19784 * mn10300.md (return_internal): Similarly.
19786 * combine.c (get_last_value): If the last set of a register
19787 is after subst_low_cuid, then we can not use it to determine
19788 the register's last value.
19790 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
19792 * Makefile.in: Back out previous change.
19794 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
19796 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
19798 * haifa-sched.c (add_dependence): Only check/update the cache
19800 (remove_dependence): Likewise.
19801 (schedule_insns): Only create the true_dependency_cache if the
19802 average number of instructions in a basic block is very large.
19804 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
19806 * Makefile.in (ggc-common.o): Depend on genrtl.h.
19807 (ggc-simple.o): Likewise.
19808 (ggc-page.o): Likewise.
19810 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
19812 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
19813 Prototype for exported functions.
19814 (pre_lcm, pre_rev_lcm): Remove prototypes.
19815 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
19816 (compute_available): Move to lcm.c, and change parameter order.
19817 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
19818 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
19819 (gcse_main): No longer call compute_preds_succs. Rebuild the
19820 set table after reach pre pass.
19821 (pre_insert_map, pre_delete_map, edge_list): New.
19822 (alloc_pre_mem): Allocate edge vectors.
19823 (free_pre_mem): Delete edge vectors.
19824 (compute_pre_data): Call new edge based lcm routines.
19825 (process_insert_insn): New function.
19826 (insert_insn_end_bb): Use it.
19827 (pre_edge_insert): New function.
19828 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
19830 (pre_insert_copies): Revamp using new edge based lcm outputs.
19831 (pre_delete): Likewise.
19832 (one_pre_gcse_pass): Insert & remove fake edges to the exit
19834 (compute_code_hoist_vbeinout): New new edge based routines.
19835 * lcm.c: Remove all the old LCM functions. Replace with new ones
19836 that work with the new cfg datastructures and work with edges
19839 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19841 * reload.h (struct reload): Add new fields "mode" and "nregs".
19842 * reload1.c: Change all occurrences of reload_mode and reload_nregs
19843 to reference the "mode" and "nregs" field within struct reload.
19845 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
19847 * haifa-sched.c (true_dependency_cache): New.
19848 (add_dependence): Use the true dependency cache to avoid expensive
19849 walks down the LOG_LINKS dependency list. Add entries to the
19850 cache as necessary.
19851 (remove_dependence): Remove entries from the true dependency cache
19853 (schedule_insns): Allocate and initialize and free the true
19856 * haifa-sched.c (schedule_insns): Do not remove inter-block
19857 dependencies anymore.
19859 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
19861 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
19862 * i386/t-winnt: Likewise.
19864 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
19866 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
19868 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
19870 * Makefile.in (LANGUAGES): Omit "proto".
19871 (clean): Remove stale comment about removing unprotoize.c.
19873 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19875 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
19876 using arithmetic on void pointers.
19878 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
19880 * haifa-sched.c (compute_block_forward_dependencies): Only check
19881 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
19883 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
19885 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
19886 (expr_equiv_p): Reject memories with different alias sets.
19888 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
19890 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
19891 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
19892 (f_options): Add "bounded-pointers" and "bounds-check" entries.
19893 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
19894 (lang_init): Set default for flag_bounds_check if still "unspecified".
19896 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19898 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
19900 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19902 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
19905 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19907 * config/c4x/c4x.md (*db_noclobber,
19908 *decrement_and_branch_until_zero_noclobber): New patterns and
19909 associated splitters.
19911 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19913 * config/c4x/c4x.md (parallel instruction patterns): Rework
19914 constraints to keep reload happy.
19916 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19918 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
19919 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
19920 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
19921 Add new patterns and associated post-reload splitters.
19923 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19925 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
19927 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19929 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
19931 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
19933 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19935 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
19938 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
19940 * pa.c (move_operand): Rely on memory_address_p to determine the
19941 validity of non-indexed memory addresses.
19942 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
19943 operand in DFmode and SFmode when generating PA2.0 code.
19945 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
19947 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
19949 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
19951 * mips.c (function_prologue): Fix argument types.
19952 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
19953 (casesi_internal): Write to the scratch register.
19955 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
19957 * cppexp.c (cpp_parse_escape): Make static. Change second arg
19959 (parse_charconst): Delete unnecessary cast when calling
19961 (cpplib.h): Kill prototype of cpp_parse_escape.
19963 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
19965 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
19966 * unroll.c (unroll_loop): Cast return value of alloca.
19967 * i370/i370.c: Include function.h and toplev.h.
19968 (i370_label_scan): Remove c++ commented abort.
19969 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
19970 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
19971 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
19972 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
19974 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
19976 * config/t-freebsd: Do not override USER_H.
19977 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
19979 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
19980 Mumit Khan <khan@xraylith.wisc.edu>
19982 * c-parse.in (component_decl): Support anonymous struct/union.
19984 * c-parse.y: Regenerate.
19985 * c-parse.c: Likewise.
19986 * objc/objc-parse.y: Likewise.
19987 * objc/objc-parse.c: Likewise.
19988 * c-decl.c (finish_struct): Don't sort the fields.
19989 (field_decl_cmp): Delete unused function.
19991 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
19993 * sparc.md (movsf_const_intreg): Revert last constraint change.
19994 (movdf_const_intreg_sp32): Likewise.
19996 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
19998 * cse.c: Include hashtab.h instead of splay-tree.h
19999 (struct cse_reg_info): No longer use variant union. Add new
20000 field "regno". All references changed to avoid union.
20001 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
20002 (free_cse_reg_info): Remove.
20003 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
20004 (get_cse_reg_info): Revamp to use expandable hash tables instead
20005 of splay trees. Initialize new fields in cse_reg_info structure.
20006 (new_basic_block): Similarly.
20008 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
20010 * genrecog.c (message_with_line): Prototype.
20011 (validate_pattern): Pass along the set for the dest, not a flag.
20012 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
20013 Check for PC/CC0 as sources.
20014 (nodes_identical): Check for children position match before
20015 allowing the combination.
20017 * rtl.c (read_rtx): Track line number across \\\n.
20019 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
20021 * mips.h (SPECIAL_MODE_PREDICATES): New.
20022 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
20023 (movdi+1, movsi+1): Add output reload constraint.
20024 (casesi_internal): Likewise. Fix commentary.
20025 (return_internal): Use pmode_register_operand.
20027 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
20029 * 1750a.md (movstrqi): Add missing output reload constraint.
20030 (call_value): Likewise.
20031 * a29k.md (cpxxx patterns): Add missing match_operator mode.
20032 (jmpfdec): Add missing inout reload constraint.
20033 * elxsi.md (addsi patterns): Add missing output reload constraint.
20034 (move from sp): Use @ alternates.
20035 (call_value): No constraint on output.
20036 * fr30.md (movsi_pop): Add missing output reload constraint.
20037 (movsf_constant_store): Likewise.
20038 (splits): Remove constraints.
20039 (subsi3): Add missing mode.
20040 * i370.md (cmpstrsi+1): Add missing output reload constraint.
20041 (call_value): Likewise.
20042 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
20043 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
20044 * m32r.md (movsicc_internal): Add output reload constraint.
20045 (movstrsi_internal): Add inout reload constraints.
20046 * m88k.h (reg_names): Don't declare.
20047 (SPECIAL_MODE_PREDICATES): New.
20048 * m88k.md (*): Use register_operand not reg_or_0_operand
20050 * mn10200.h (PREDICATE_CODES): New.
20051 * ns32k.md (ffs pattern): Add output reload constraint.
20052 * pdp11.md (sob pattern): Add inout reload constraint.
20053 * sh.md (splits): Remove constraints.
20054 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
20055 * v850.md (pattern_is_ok_for_epilogue): Likewise.
20056 * vax.md (jgequ pattern): Add inout reload constraint.
20058 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
20060 * configure.in (djgpp): Revert previous patch.
20061 * configure: Rebuit.
20062 * config/i386/djgpp.h: Revert previous patch.
20064 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
20066 * fixinc/inclhack.def: Restore patch lost during last merge of
20067 "no_bogosity" branch.
20068 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
20070 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
20072 * fixincludes: Add a HPUX 11 fix for inttypes.h.
20073 * fixinc/inclhack.def: Same.
20074 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
20076 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
20078 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
20079 as the base of a PLUS.
20081 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20083 * config/c4x/c4x.md: Define mode for remaining unspec operators.
20084 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
20086 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
20088 * pa.md (post_stw+1): Use pmode_register_operand.
20089 (dcacheflush, icacheflush): Likewise.
20091 * i386.md (movstricthi_1): Allow r/r.
20093 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
20095 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
20096 to (not (and (arg0) (arg1))). Similary for and.
20098 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
20099 fallthrough to associate code.
20100 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
20103 * combine.c (simplify_logical): Convert XOR to IOR if operands have
20104 no bits in common; remove XOR to ROTATE conversion.
20106 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20108 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
20110 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20112 * config/c4x/c4x.c (dst_operand): New.
20113 (PREDICATE_CODES): Update.
20114 * config/c4x/c4x.h (dst_operand): Declare it.
20115 * config/c4x/c4x.md: Define mode for each unspec usage.
20116 (move patterns): Use dst_operand predicate instead of src_operand.
20117 (movqi_update, movqf_update): Delete.
20119 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
20121 * recog.c (pmode_register_operand): New.
20122 * recog.h: Declare it.
20123 * genrecog.c (pred_codes): Likewise.
20124 (special_mode_pred_table): Likewise.
20125 (validate_pattern): Don't warn no mode for address_operand.
20127 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
20128 if the operand is not insn-like.
20130 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
20131 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
20133 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
20135 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
20137 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
20138 instead of general_operand in a SET_DEST. Use const_double_operand
20139 instead of an explicit test against CONST_DOUBLE.
20140 (movsf_const_lo): Add missing register mode.
20141 (goto_handler_and_restore): Add auxiliary test for Pmode.
20142 (flush): Adjust to use address_operand.
20143 (return_sf_no_fpu): Add missing output constraint.
20145 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
20147 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
20148 for call return value.
20149 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
20151 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
20153 * toplev.c (main): Only warn about options for other languages.
20154 * collect2.c (main): Pass -w to sub-gcc.
20156 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
20158 * flow.c (propagate_block): Add call-clobbered registers to
20161 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
20162 zapping mem_set_list.
20163 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
20164 (mark_set_1, mark_used_regs): Likewise.
20166 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
20168 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
20170 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
20172 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
20173 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
20174 options. Also add a new item "C-only Warning Options" to the
20177 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
20179 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
20180 from multiple calls.
20182 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
20184 * i386.md (call value patterns): Move to the end of the file.
20185 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
20187 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
20189 * configure.in (djgpp configuration): Define extra_objects..
20190 * configure: Rebuilt.
20191 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
20192 (DTORS_SECTION_ASM_OP): Define.
20193 (INIT_SECTION_ASM_OP): Define.
20194 (FINI_SECTION_ASM_OP): Define.
20195 (DATA_SECTION_ASM_OP): Define.
20196 (TEXT_SECTION_ASM_OP): Define.
20197 (EH_FRAME_SECTION_ASM_OP): Define.
20198 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
20199 (STARTFILE_SPEC): Add crtbegin.o.
20200 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
20201 to here from LINK_COMMAND_SPEC.
20202 (DO_GLOBAL_CTORS_BODY): Define.
20203 (CRTSTUFF_USE_FINI_SECTION): Define
20204 (HAS_INIT_SECTION): Delete.
20206 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
20208 * Makefile.in (all.cross): Depend on xcpp$(exeext).
20210 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
20212 * pa.h (PREDICATE_CODES): New.
20214 * genrecog.c (validate_pattern): Condense the destination
20215 non-lvalue message.
20217 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
20219 * alpha.md (call-1): Supply missing mode for operator.
20220 (*): Add missing output reload constraints. Remove constraints
20221 from define_splits.
20223 * i386.h (SPECIAL_MODE_PREDICATES): New.
20224 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
20225 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
20226 (addsi_lea_3): Add missing mode for op 3.
20227 (prologue_set_got, prologue_get_pc): Add missing modes.
20228 (*) Add missing output reload constraints.
20230 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
20232 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
20233 check for member bit-size overflow and use var_size if it occurs.
20234 (layout_record): Use bitsize_int() to define the type size in bits.
20235 Likewise for computation and assignment to DECL_FIELD_BITPOS.
20236 (layout_decl): Likewise when assigning to DECL_SIZE.
20238 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
20240 * genrecog.c (validate_pattern): Typo last change. Verify
20241 that output operands have output reloads.
20243 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
20245 * genrecog.c (special_mode_pred_table): New.
20246 (NUM_SPECIAL_MODE_PREDS): New.
20247 (find_operand): New.
20248 (validate_pattern): New argument `insn'. Warn for assignment to
20249 any predicate accepting non-lvalues. Conditionaly warn for
20250 match_operand without a mode. Try much harder to match source
20251 and destination modes on a set.
20252 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
20254 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
20256 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
20258 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
20260 * combine.c (simplify_logical): Recognize xor pattern that encodes
20263 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
20265 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
20268 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
20270 * ggc-page.c (MAP_FAILED): Provide default.
20272 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
20274 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
20275 * sparc.h (PREDICATE_CODES): Update.
20277 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
20279 * alpha.c (some_ni_operand): New.
20280 * alpha-protos.h: Declare it.
20281 * alpha.h (PREDICATE_CODES): Update.
20282 * alpha.md (sXaddq reload insns): Use some_ni_operand
20283 for SET_DEST instead of some_operand.
20285 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
20286 Jim Wilson <wilson@cygnus.com>
20288 * genrecog.c (maybe_both_true_2): Don't compare modes of
20290 (process_tree): Elide peephole2_insns. Invoke simplify_tests
20291 after find_afterward.
20292 (debug_decision_1): Dump next and afterward codes.
20294 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
20296 * rtl.c (dump_and_abort): Remove.
20297 (fatal_with_file_and_line): New.
20298 (fatal_expected_char): New.
20299 (read_rtx_lineno, read_rtx_filename): New.
20300 (read_skip_spaces): Track line number.
20301 (read_name): Use fatal_with_file_and_line.
20302 (read_rtx): Use fatal_expected_char. Track line number.
20303 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
20305 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
20306 if it isn't a CODE_LABEL.
20308 * genattr.c (main): Set read_rtx_filename.
20309 * genattrtab.c (main): Likewise.
20310 * gencodes.c (main): Likewise.
20311 * genconfig.c (main): Likewise.
20312 * genemit.c (main): Likewise.
20313 * genextract.c (main): Likewise.
20314 * genflags.c (main): Likewise.
20315 * genopinit.c (main): Likewise.
20316 * genoutput.c (main): Likewise.
20317 * genpeep.c (main): Likewise.
20319 * genrecog.c (decision_test.u.insn): Add `lineno'.
20320 (pattern_lineno, error_count): New variables.
20321 (message_with_line): New.
20322 (add_to_sequence): Break out checking code to ...
20323 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
20324 (merge_insn): Use message_with_line.
20325 (make_insn_sequence): Use validate_pattern. Record insn lineno.
20326 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
20328 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20330 * expr.c (store_constructor): Clear union if constructor is empty.
20332 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
20334 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
20335 Add !endian checks. Change %{...} to %(...).
20337 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
20339 * i386.md (*addsi3_cc): Renamed from addcsi3.
20340 (*addsi3_carry): Renamed from addxsi3.
20341 (*subsi3_cc): Renamed from subcsi3.
20342 (*subsi3_carry): Renamed from subxsi3.
20343 (*xorqi_cc_1): Renamed from xorcqi_1.
20344 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
20345 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
20347 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
20349 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
20350 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
20352 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
20354 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
20355 climb up the chain of insns.
20357 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
20359 * genrecog.c (write_subroutine): Careful for null trees.
20360 (process_tree): Don't elide empty functions.
20362 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
20364 * Makefile.in (genrtl.o): Depend on ggc.h.
20365 * configure.in (valloc): Probe for it.
20366 (with-gc): Use ggc-page if valloc present.
20367 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
20368 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
20369 (ggc_alloc_string): Moved from ggc-page.c.
20370 * ggc-none.c (ggc_alloc_obj): New.
20371 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
20372 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
20373 (struct globals): Likewise for dev_zero_fd.
20374 (init_ggc): Likewise for it's initialization.
20375 (ggc_allocated_p): Move careful dereference from ...
20376 (ggc_lookup_page_table): ... here. Delete.
20377 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
20378 (alloc_anon): Use valloc if no mmap.
20379 (release_pages): Use free if using valloc.
20380 (ggc_alloc_obj): Renamed from alloc_obj.
20381 (ggc_set_mark): Renamed from mark_obj.
20382 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
20383 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
20384 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
20385 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
20386 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
20387 (ggc_collect): Use fp printing instead of our own rounding.
20388 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
20389 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
20390 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
20391 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
20392 (struct ggc_string, struct ggc_any): Delete.
20393 (offsetof): Provide default definition.
20394 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
20396 (struct ggc_mem): New, from corpse of ggc_any.
20397 (struct ggc_status): Delete.
20398 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
20399 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
20400 (n_strings_collected, n_anys_collected): Delete.
20401 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
20402 (ggc_alloc_string, ggc_alloc): Delete.
20403 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
20404 (ggc_free_string, ggc_free_any): Delete.
20405 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
20406 (ggc_compare_addresses, ggc_mark_string): Delete.
20407 (ggc_mark_string_if_gcable, ggc_mark): Delete.
20408 (search_data): Delete.
20409 (struct globals): New.
20410 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
20411 (tree_insert, tree_lookup): New.
20412 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
20413 (clear_marks, sweep_objs): New.
20414 (ggc_collect): Gut. Use clear_marks, sweep_objs.
20415 (init_ggc): Set allocated_last_gc.
20416 (ggc_push_context): Gut. Use G.context.
20417 (ggc_pop_context): Likewise.
20418 (ggc_pop_context_1): New.
20419 (debug_ggc_tree): New.
20420 (debug_ggc_balance, tally_leaves): New.
20421 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
20422 (ggc_mark_string_if_gcable): Remove decl.
20423 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
20424 (ggc_mark_rtvec_children): New.
20425 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
20426 (ggc_mark_if_gcable): New decl.
20427 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
20428 (ggc_alloc_tree, ggc_alloc): Likewise.
20429 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
20430 (ggc_alloc_obj): New decl.
20431 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
20432 (ggc_alloc_tree, ggc_alloc): Likewise.
20433 (ggc_set_mark): New decl.
20434 * rtl.h (struct rtx_def): Remove gc_mark.
20435 (struct rtvec_def): Likewise.
20436 * tree.h (struct tree_common): Likewise.
20438 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
20440 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
20441 float_format and thread_file definitions.
20442 * configure: Rebuilt.
20444 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
20446 * extend.texi (Function Names): Document types of function names.
20448 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20450 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
20451 an earlyclobbered output conflict with RELOAD_INPUT reloads.
20453 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20455 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
20457 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20459 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
20461 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
20463 * collect2.c (main): Do prelimnary link on AIX if rflag.
20465 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
20467 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
20468 __CTOR_LIST__ in opposite order, which is the correct order for sorted
20470 (__do_global_dtors): similarly for __DTOR_LIST__.
20472 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20473 Diego Novillo <dnovillo@cygnus.com>
20475 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
20478 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
20480 * fixincl/*: Merged "no_bogosity" branch
20481 * fixincl/fixlib.h: protect against doubly defining t_bool
20482 * fixincl/server.h: protect against doubly defining t_bool
20484 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
20486 * genoutput.c: Include toplev.h.
20488 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
20490 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
20492 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
20493 * configure: Regenerate.
20495 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
20497 * gcse.c (delete_null_pointer_checks): Returns void.
20499 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20501 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
20502 * emit-rtl.c (copy_insn_1): Likewise.
20504 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
20506 * config/mips/mips.c (mips_build_va_list): Correct
20507 TREE_CHAIN setting when hard-float.
20508 (mips_va_start): Use corrected setting.
20509 (mips_va_arg): Likewise. Also pass a tree to build of
20510 POSTINCREMENT_EXPR rather than a naked 'int'.
20512 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
20514 * ggc.h (ggc_push_context): Fix comment.
20515 (ggc_pop_context): Likewise.
20516 (mark_string_if_gcable): Likewise.
20517 * ggc-common.c (ggc_mark_rtx_children): Use
20518 ggc_mark_string_if_gcable.
20519 * ggc-page.c (ggc_lookup_page_table): New function.
20520 (ggc_allocated_p): Likewise.
20521 (mark_obj): Fix formatting.
20522 (ggc_mark_string_if_gcable): New function.
20523 * ggc-simple.c (ggc_allocated_strings): New variable.
20524 (ggc_strings_used): Likewise.
20525 (ggc_compare_addresses): New function.
20526 (ggc_pop_context): Pop the `any' memory too.
20527 (ggc_mark_string_if_gcable): New function.
20528 (ggc_collect): Initialize and tear down ggc_allocated_strings.
20530 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
20532 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
20533 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
20534 * rs6000.c (expand_block_move): Match movstrsi_?reg register
20537 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
20539 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
20540 (sched_reg_live_length, sched_reg_basic_block): Delete.
20541 (current_block_num, bb_live_regs, old_live_regs): Delete.
20542 (dead_notes, struct sometimes): Delete.
20543 (sched_note_set, birthing_insn_p): Delete.
20544 (adjust_priority): Gut useless reg lifetime code.
20545 (create_reg_dead_note, attach_deaths): Delete.
20546 (attach_deaths_insn, new_sometimes_live): Delete.
20547 (finish_sometimes_live): Delete.
20548 (find_pre_sched_live, find_post_sched_live): Delete.
20549 (update_reg_usage): Delete.
20550 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
20551 (schedule_insns): Delete reg lifetime code.
20552 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
20553 (unlink_other_notes): Adjust REG_NOTE commentary.
20554 (reemit_notes): Use REG_SAVE_NOTE.
20555 (schedule_block): Likewise.
20556 (schedule_region): Allocate bitmap of blocks in region. Use
20557 count_or_remove_death_notes. Use update_life_info.
20559 * rtl.h (REG_SAVE_NOTE): New.
20560 * rtl.c (reg_note_name): Update.
20562 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
20564 * combine.c (refresh_blocks, need_refresh): New.
20565 (combine_instructions): Allocate refresh_blocks. Invoke
20566 update_life_info if needed.
20567 (distribute_notes): Mark refresh_blocks instead of installing
20569 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
20570 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
20572 * Makefile.in (recog.o): Depend on basic-block.h.
20574 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
20576 * genrecog.c (add_to_sequence): Thinko last change: delete
20577 shadowing allow_const_int variable.
20579 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20581 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
20582 __GNUC__ and __GNUC_MINOR__.
20584 * gansidecl.h: Likewise.
20590 * toplev.h: Likewise.
20592 * tree.c: Likewise.
20594 * tree.h: Likewise.
20596 * varray.c: Likewise.
20598 * varray.h: Likewise.
20600 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20602 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
20603 use one before a jump table.
20605 * rtl.def (ADDRESS): Change documentation to match reality.
20606 * md.texi: Don't document it.
20607 * gmicro.md (load address pattern): Use 'p' constraint, delete use
20610 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
20612 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
20614 * genrecog.c (add_to_sequence): Move allow_const_int test outside
20615 known predicate block; default allow_const_int true.
20616 (debug_decision_list): New.
20618 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
20620 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
20622 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
20624 * gcse.c (gcse_main): Avoid global optimizations if we have a
20625 large number of basic blocks and the ratio of edges to blocks
20627 (delete_null_pointer_checks): Likewise.
20629 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
20631 * c-common.c (check_format_info): Warn if format string isn't a
20634 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
20636 * configure.in (arm*-*-*): Don't let autoconf remove brackets
20637 * configure: regenerate
20639 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
20641 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
20642 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
20643 (peepholes): Re-enable.
20645 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
20647 * Makefile.in (flow.o): Depend on TREE_H.
20648 * basic-block.h (REG_SET_EQUAL_P): New.
20649 (XOR_REG_SET): New.
20650 (n_edges): Declare.
20651 (free_regset_vector): Remove declaration.
20652 (flow_delete_insn_chain): Declare.
20653 (enum update_life_extent): New.
20654 (update_life_info, count_or_remove_death_notes): Declare.
20655 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
20656 Verify register live at bb->global_live_at_start before adding USE.
20657 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
20658 (CLEAN_ALLOCA): New.
20660 (PROP_*): New flags.
20661 (find_basic_blocks_1): Use alloc_EXPR_LIST.
20662 (clear_edges): Zero n_edges.
20663 (make_edge): Increment n_edges.
20664 (split_edge): Don't allocate bb->local_set. Increment n_edges.
20665 (flow_delete_insn_chain): Export.
20666 (delete_block): Decrement n_edges.
20667 (merge_blocks_nomove): Likewise.
20668 (life_analysis): Give life_analysis_1 PROP flags.
20669 (verify_wide_reg_1, verify_wide_reg): New.
20670 (verify_local_live_at_start): New.
20671 (update_life_info): Rewrite to call into propogate_block.
20673 (mark_regs_live_at_end): After reload, if epilogue as rtl,
20674 always mark stack pointer. Conditionally mark PIC register.
20675 After reload, mark call-saved registers, return regsiters.
20676 (life_analysis_1): Accept PROP flags not remove_dead_code.
20677 Call mark_regs_live_at_end before zeroing regs_ever_live.
20678 Use calculate_global_regs_live. Copy global_live_at_end before
20679 calling final propagate_block. Zero reg_next_use on exit.
20680 (calculate_global_regs_live): New.
20681 (allocate_bb_life_data): Don't allocate bb->local_set.
20682 (init_regset_vector, free_regset_vector): Remove.
20683 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
20684 Test flags before every operation. Warn if prologue/epilogue insn
20685 would have been deleted.
20686 (mark_set_regs, mark_set_1): Accept and use FLAGS.
20687 Use alloc_EXPR_LIST.
20688 (mark_used_regs): Accept and use FLAGS, not FINAL.
20689 Remove special handling for RETURN.
20690 (try_pre_increment): Use alloc_EXPR_LIST.
20691 (dump_flow_info): Dump n_edges.
20692 (unlink_insn_chain, split_hard_reg_notes): Remove.
20693 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
20694 (find_insn_with_note, new_insn_dead_notes): Remove.
20695 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
20696 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
20697 (replace_insns): Remove.
20698 (count_or_remove_death_notes): New.
20699 (verify_flow_info): Abort on error after all checks.
20700 (remove_edge): Decrement n_edges.
20701 (remove_fake_edges): Tweak format.
20702 * haifa-sched.c (schedule_insns): Use split_all_insns.
20703 * output.h (update_life_info): Remove declaration.
20704 * recog.c (split_all_insns): From the corpse of split_block_insns,
20705 do the whole function block by block. Use update_life_info.
20706 (recog_last_allowed_insn): New.
20707 (recog_next_insn): Mind it.
20708 (peephole2_optimize): Set it. Walk backwards through blocks.
20709 Use update_life_info.
20710 * rtl.h (update_flow_info, replace_insns): Remove declarations.
20711 (split_all_insns): Declare.
20712 * toplev.c (rest_of_compilation): Thread prologue before flow2.
20713 Use split_all_insns.
20715 * i386.md (or -1 peep2s): Disable.
20717 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
20719 * config/mips/mips.md (movstrsi+[123]) : Combine these into
20720 a single pattern. Scrap the 'd' versions as unnecessary.
20722 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
20723 tablejump_mips162,tablejump_internal4): The operands to a
20724 label_ref must be VOIDmode.
20726 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20728 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
20730 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
20732 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
20734 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
20736 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
20737 cache every function if ggc_p.
20739 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20741 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
20742 instead of copy_rtx. Accept sequences that contain asm statements.
20743 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
20744 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
20745 orig_asm_operands_vector, copy_asm_operands_vector,
20746 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
20748 * rtl.h (copy_insn, copy_insn_1): Declare.
20750 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20752 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
20754 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
20755 arguments to `current_file_function_operand'.
20757 * genrecog.c: Include hard-reg-set.h and resource.h in the
20758 generated output file.
20760 * real.c: Include tm_p.h.
20762 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20764 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
20767 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
20769 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
20770 before the fctiwz insn.
20772 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
20773 Mark Mitchell <mark@codesourcery.com>
20775 * tree.c (make_lang_type_fn): New funtion pointer.
20776 (make_lang_type): Call it.
20777 * tree.h (make_lang_type): Declare.
20778 (make_lang_type_fn): Likewise.
20779 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
20781 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
20783 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
20784 make sure that HIGH instructions are copied into BASE_REGS.
20786 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
20788 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
20790 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
20792 * c-decl.c (finish_struct): Use simpler method of
20793 removing elements of a singly-linked list.
20795 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
20797 * alpha.md (peephole2's): Comment out peephole2's that generate
20800 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
20802 * genrecog.c (add_to_sequence): Disable mode check for
20805 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20807 * ggc-simple.c (init_ggc): Set empty_string.
20809 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
20811 * configure.in: Detect mmap. Add --with-gc=foo to select
20812 garbage collector; default to page if mmap available.
20813 * Makefile.in (GGC): Substitute.
20815 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
20817 * c-decl.c (ggc_p): Enable.
20819 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20821 * flow.c (verify_flow_info): Make it extern & unconditionally define.
20823 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
20825 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
20826 string for little-endian-data.
20828 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
20830 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
20831 case somebody tries to compile --enable-checking code with gcc
20834 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
20836 * genrecog.c (add_to_sequence): Verify operand to label_ref is
20839 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
20841 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
20842 * jump.c (jump_optimize_1): Document why.
20844 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20846 * collect2.c (scan_prog_file, scan_libraries): Prototype function
20847 pointers and casts for `int_handler' and `quit_handler'.
20849 * flow.c (verify_flow_info, split_hard_reg_notes,
20850 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
20851 remove_edge, remove_fake_successors): Add static prototypes.
20852 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
20853 (mark_set_1): Initialize variable `regno'.
20854 (unlink_insn_chain): Likewise for variable `curr'.
20855 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
20857 * loop.c (strength_reduce): Initialize variable
20858 `unrolled_insn_copies'.
20859 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
20860 prototypes. Change these functions to take const PTR parameters
20861 to avoid prototype conflict when used as the comparson argument
20863 (check_dbra_loop): Initialize variable `comparison_val'.
20865 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
20866 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
20867 (find_valid_class): Initialize variable `best_class'.
20868 (find_reloads): Call memcpy, not bcopy.
20870 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
20871 (hard_reg_use_compare): Don't needlessly cast away const.
20872 (reload_reg_class_lower): Likewise.
20873 (choose_reload_regs): Initialize variable `regno'.
20875 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
20877 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
20879 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
20881 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
20882 ({,d}discard): Add forward declarations. Declare parameter as
20884 (main_without_main): Explicitly declare return type to be int.
20885 (memcpy): Properly declare.
20887 * libgcc2.c (toplevel): If inhibit_libc is defined and not
20888 building the trampoline support, declare malloc, free, and
20890 (__clear_cache): Mark arguments as potentially unused.
20892 * frame.c (toplevel): If inhibit_libc is defined, declare
20895 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
20897 * flow.c (make_edge): Accept an optional 2D bitmap in which
20898 to cache edge existence. Update all callers.
20899 (make_label_edge, make_eh_edge): Pass through the edge cache.
20900 (make_edges): Provide the cache.
20902 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20904 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
20906 (local_mbtowc): Change the type of variable `i' from int to size_t.
20908 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
20909 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
20911 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
20913 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
20914 after other includes that define the appropriate types. Include
20915 tm_p.h for getting user prototypes.
20916 * ggc-callbacks.c (toplevel): Ditto.
20917 * ggc-none.c (toplevel): Ditto.
20918 * gcc-page.c (toplevel): Ditto.
20919 * ggc-simple.c (toplevel): Ditto.
20921 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
20922 Jonathan Larmour <jlarmour@cygnus.co.uk>
20924 * config/mips/mips.c (mips_move_2words): Split doubles if
20925 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
20927 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
20929 * genrecog.c (struct decision_test): New.
20930 (struct decision): Remove test-related members, sort the rest by size.
20931 (IS_SPLIT): Simplify.
20932 (new_decision, new_decision_test): New.
20933 (add_to_sequence): Use them. No special handling for args of
20935 (maybe_both_true): Renamed from not_both_true; return sense changed.
20936 (maybe_both_true_1, maybe_both_true_2): New. Broken out
20937 of maybe_both_true and adjusted for decision_test.
20938 (position_merit): Remove.
20939 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
20940 (merge_accept_insn): New, broken out of merge_trees.
20941 (merge_trees): Use them. No special case for c_test; no node
20942 splitting; use test type instead of position_merit.
20943 (factor_tests): New.
20944 (simplify_tests): New.
20945 (break_out_subroutines): Don't write code now.
20946 (find_afterward): New.
20947 (write_afterward, write_switch, write_cond): New.
20948 (write_action, is_unconditional): New.
20949 (write_node): New. Use them.
20950 (write_tree_1): Rewrite. Use the new functions above.
20951 (write_tree): Remove afterward processing.
20952 (write_subroutine): Simplify function variant emission.
20953 (write_subroutines): New.
20954 (same_codes, clear_codes): Remove.
20955 (same_modes, clear_modes): Remove.
20956 (write_header): New, broken out of main.
20957 (make_insn_sequence): Use new_decision and new_decision_test.
20958 (process_tree): New, broken out of main.
20959 (main): Adjust for merge_trees interface change.
20960 Don't #define operands in the output file.
20961 (record_insn_name): New, broken out of make_insn_sequence.
20962 (debug_decision_2, debug_decision_1, debug_decision_0): New.
20963 (debug_decision): New.
20965 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
20967 * resource.c (find_free_register): Mark class_str argument const.
20968 * resource.h: Update prototype to match.
20970 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
20971 * i386.md: Give all anonymous insns names.
20973 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
20975 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
20978 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
20980 * toplev.c (dbr_sched_time): Unconditional.
20981 (peephole2_time): New.
20982 (compile_file): Add pass numbers to all of the dump file suffixes.
20983 Dump peephole2_time. Don't dump times for non-applicable passes.
20984 (rest_of_compilation): Add pass numbers to dump file suffixes.
20985 Conditionalize calls to the scheduler.
20986 * invoke.texi: Update.
20988 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
20990 * flow.c (make_edges): Fix insn iteration.
20991 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
20992 (find_basic_blocks_1): Fix spelling mistake.
20994 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
20996 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
20997 always have side-effects. Use memset not bzero.
20998 (make_node): Likewise.
21000 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
21002 * stmt.c (expand_anon_union_decl): When any of the elements of the
21003 union is addressable, so is the entire union.
21005 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
21007 * sbitmap.c (sbitmap_ones): Don't set too many bits.
21009 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
21010 * bitmap.c (bitmap_operation): Return true iff TO changed.
21011 (bitmap_equal_p): New.
21012 (bitmap_bit_p): Tidy arithmetic.
21013 (debug_bitmap_file): Likewise.
21015 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
21017 * toplev.c (rest_of_compilation): Turn on cse_not_expected
21018 before cse2 instead of after.
21020 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
21022 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
21025 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
21027 * cppinit.c (is_idchar initializer): Loosen tests to accept
21030 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
21032 * mips.md: Define conditional move patterns for floating point
21033 operands and DI mode conditions.
21035 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
21037 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
21038 always have side-effects.
21040 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
21042 * mn10200.c (asm_file_start): Fix typo.
21044 * cppinit.c (is_idchar initializer): Tighten tests for when
21045 to put the table into initialized memory.
21047 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
21048 not an array of rtunion.
21049 * gcc-page.c (ggc_alloc_rtvec): Similarly.
21050 * gcc-simple (ggc_free_rtvec): Similarly.
21052 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
21055 * mbchar.h: Add missing #endif.
21057 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
21058 (FPBIT, DPBIT): Define.
21060 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21062 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
21064 * profile.c (instrument_arcs, output_gcov_string,
21065 tablejump_entry_p): Add static prototypes.
21066 (output_gcov_string): Constify a char*.
21068 * regmove.c (replacement_quality, fixup_match_2): Add static
21071 * resource.h (reg_dead_p): Add extern prototype.
21073 * rtl.c (trim_filename): Add static prototype.
21075 * scan-decls.c (skip_to_closing_brace): Likewise.
21077 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
21078 (expand_end_case): Initialize variable `range'.
21079 (emit_case_nodes): Remove unused prototype `rtx_fn'.
21081 * varasm.c (asm_emit_uninitialised): Add static prototype.
21082 (asm_emit_uninitialised, assemble_variable): Mark parameter with
21085 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21087 * cpplib.c (if_directive_nameo): Add static prototype.
21089 * cse.c (cse_insn): Remove unused variable `p'.
21091 * except.c (create_rethrow_ref, push_entry,
21092 receive_exception_label, new_eh_region_entry, find_func_region,
21093 clear_function_eh_region, process_nestinfo): Add static prototypes.
21094 (get_reg_for_handler): Hide definition.
21095 (process_nestinfo): Initialize variable `extra_handlers'.
21097 * expr.h (expand_builtin_longjmp): Add extern prototype.
21099 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
21101 * function.c (prepare_function_start): Likewise.
21102 (pop_function_context_from): Mark parameter `context' with
21104 (push_temp_slots_for_block, flush_addressof): Hide definition.
21106 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
21107 solve_program_flow_graph, calculate_branch_probs,
21108 function_summary, main, fancy_abort): Add prototypes.
21110 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
21111 (add_hash): Constify a char*.
21113 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
21114 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
21115 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
21117 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
21119 * lists.c (free_list, zap_lists): Likewise.
21121 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21123 * alias.c (nonlocal_reference_p): Add static prototype.
21125 * bitmap.c (bitmap_element_allocate): Prototype args in function
21128 * builtins.c (stabilize_va_list): Add static prototype.
21129 (expand_builtin_va_arg): Constify a char*.
21131 * c-lex.c (getch, put_back, extend_token_buffer_to,
21132 read_line_number, token_getch, token_put_back): Add static
21135 * c-parse.gperf (hash, is_reserved_word): Likewise.
21137 * cccp.c (is_dir_separator): Likewise.
21139 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21141 * graph.h: New file to prototype functions exported by graph.c.
21143 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
21145 * graph.c: Include graph.h.
21147 * toplev.c: Likewise. Remove redundant prototypes.
21149 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
21151 * invoke.texi: Removed duplicated description for -Q.
21153 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
21155 * extend.texi: Grammar fix in __extension__ text.
21157 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
21159 * md.texi (define_peephole2): New section.
21161 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
21163 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
21164 (mov $-1 to or peepholer): Enable for pentium when optimizing for
21167 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
21169 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
21171 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
21173 * i386.md (ffs expander): Emit Pentium friendly code for
21176 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
21178 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
21180 (build1): Likewise.
21182 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21184 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
21186 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
21188 * config/m68k/m68k.c (use_return_insn): Return false if the pic
21189 register is in use.
21191 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21193 * md.texi (No Constraints): Delete section.
21194 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
21195 * final.c (final_scan_insn): We always have register constraints.
21196 * genattrtab.c: Don't include "insn-config.h".
21197 (write_attr_case): We always have register constraints.
21198 * genconfig.c (register_constraint_flag): Delete.
21199 (walk_insn_part): Don't check whether we have register constraints.
21200 (main): Don't write out "#define REGISTER_CONSTRAINTS".
21201 * genoutput.c (have_constraints): Delete.
21202 (main): Don't set it.
21203 (output_operand_data): We always have constraints.
21204 (scan_operands): Likewise.
21205 (compare_operands): Likewise.
21206 * local-alloc.c (block_alloc): We always have constraints.
21207 (requires_inout): Always compile this function.
21208 * recog.c (extract_insn): We always have constraints.
21209 (constrain_operands, reg_fits_class_p): Always compile these
21211 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
21213 (struct insn_operand_data): Likewise.
21214 * regclass.c (regclass): We always have constraints.
21215 (record_reg_classes, copy_cost, record_address_regs,
21216 auto_inc_dec_reg_p): Always compile these functions.
21217 * regmove.c (regmove_optimize): We always have constraints.
21218 * reload.c (find_reloads): Likewise.
21219 * reload1.c (reload): Likewise.
21220 (reload_cse_simplify_operands): Likewise.
21221 * i860.c (output_delay_insn): Likewise.
21223 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
21225 * iris6.h (BUILD_VA_LIST_TYPE): Define.
21227 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
21229 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
21230 for the va_list record.
21232 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
21234 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
21237 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
21239 * alias.c: Include insn-flags.h.
21240 * Makefile.in (alias.o): Update.
21242 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
21244 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
21245 to LTU and GEU. Handle more cases using sbb.
21247 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
21249 * i386.md (truncatexfdf splitters): Do not use subreg.
21250 (fop XFmode patterns): Fix mode in operand testing.
21252 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
21254 * jump.c (jump_optimize_1): Amend last change to test only the
21255 form of the operand, not the insn.
21257 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
21258 not register_operand to determine when B may need preloading.
21260 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
21262 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
21263 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
21264 (call-value patterns): Move to end of file.
21265 (*): Remove mode from label_ref in (pc) context.
21266 (movstrqi): Use memory not general_operand for BLKmode operands.
21267 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
21268 to register_operand operands.
21269 (peep2 patterns): Convert from commented-out peephole patterns.
21271 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21273 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
21274 to BUILT_IN_INIT_DWARF_REG_SIZES.
21275 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
21276 Renamed from BUILT_IN_DWARF_REG_SIZE; call
21277 expand_builtin_init_dwarf_reg_sizes.
21278 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
21279 with __builtin_init_dwarf_reg_size_table.
21280 * dwarf2out.c (struct reg_size_range): Delete.
21281 (expand_builtin_init_dwarf_reg_sizes): New function.
21282 (expand_builtin_dwarf_reg_size): Delete.
21283 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
21284 (expand_builtin_dwarf_reg_size): Don't declare.
21285 * libgcc2.c (dwarf_reg_size_table_initialized): New.
21286 (dwarf_reg_size_table): New.
21287 (init_reg_size_table): New function.
21288 (copy_reg): Use dwarf_reg_size_table.
21289 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
21292 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
21294 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
21295 Correctly build argument list to constructor and destructor functions.
21297 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
21299 * c-tree.h (warn_float_equal): Declare.
21300 * c-decl.c (warn_float_equal): Define.
21301 (c_decode_option): Recognize -W[no-]float-equal.
21302 * c-typeck.c (build_binary_op): Conditionally warn
21303 about equality tests of floating point types.
21304 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
21305 * invoke.texi: Add docs for -Wfloat-equal warning.
21307 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
21309 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
21310 generating RTL directly.
21311 * mips.h (INIT_TARGET_OPTABS): Likewise.
21312 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
21314 * expr.h (init_mov_optab): Delete declaration
21316 * h8300.c (WORD_REG_USED): Update to avoid useless register
21317 saves in interrupt functions and functions which never return.
21319 * cse.c (struct set): Delete inner_dest_loc field.
21320 (cse_insn): Remove assignments to inner_dest_loc field.
21322 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
21324 * ggc-page.c: Don't include <unistd.h> etc taken care of
21325 by "system.h". Include <sys/mman.h> afterward.
21327 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
21329 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
21332 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
21334 * xcoffout.c (xcoffout_declare_function): Add documentation.
21335 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
21336 TARGET_64BIT. Compare constant to -1, not bit pattern.
21337 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
21338 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
21341 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
21343 * dwarf2out.c (add_abstract_origin_attribute): Abort if
21344 origin_die is NULL.
21345 (gen_inlined_enumeration_type_die): Do not abort if the type has
21346 not been writeen out.
21347 (gen_inlined_structure_type_die): Do not abort if the type has
21348 not been writeen out.
21349 (gen_inlined_union_type_die): Do not abort if the type has
21350 not been writeen out.
21351 (gen_tagged_type_instantiation_die): Do not abort if the type
21352 has not been written out.
21354 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21356 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
21358 * reg-stack.c (straighten_stack): Copy hard reg set with
21361 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
21363 * builtins.c (stabilize_va_list): Stabilize array type va_list
21364 to a pointer type, not the base record type.
21365 (expand_builtin_va_copy): Dereference the pointers explicitly;
21366 use the correct size for the copy.
21368 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
21369 (rs6000_va_arg): Likewise.
21371 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
21373 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
21375 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
21377 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
21379 (DECL_BUILT_IN_CLASS): Adjust accordingly.
21381 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
21383 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
21384 (init_ggc): Use it instead of a constant.
21385 (ggc_collect): Bound allocated_last_gc by it.
21387 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
21389 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
21392 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
21394 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
21395 (mips*-*-openbsd*): Let big endian configuration be a fragment.
21396 * configure: Regen.
21397 * config/mips/openbsd.h: New, OpenBSD little endian target.
21398 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
21399 * config/mips/xm-openbsd.h: New, OpenBSD host.
21401 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
21403 * config/m68k/m68k.c (output_function_prologue,
21404 output_function_epilogue): Use
21405 current_function_uses_pic_offset_table instead of regs_ever_live
21406 to decide whether to save/restore pic register.
21407 (legitimize_pic_address): Don't modify regs_ever_live any more.
21409 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
21411 * function.h (struct function): Add x_dont_save_pending_sizes_p.
21412 * stor-layout.c (variable_size): Don't add sizes to the pending
21413 sizes list if x_dont_save_pending_sizes_p is set.
21415 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
21417 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
21418 for symbolic_operand().
21419 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
21421 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21423 * combine.c (gen_rtx_combine): Add missing call to va_end().
21425 * final.c (asm_fprintf): Likewise.
21427 * genattrtab.c (attr_rtx): Likewise.
21429 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
21431 * cse.c: Update comments.
21432 (cse_insn): When converting a conditional/computed jump into
21433 an unconditional jump, always make sure a BARRIER immediately
21434 follows the converted jump. Do not delete unreachable code.
21435 (cse_basic_block): Do not delete unreachable code.
21436 * toplev.c (rest_of_compilation): Move call to
21437 delete_trivially_dead_insns after the conditional call to
21440 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21442 * collect2.c (make_temp_file): Don't prototype.
21444 * gcc.c (make_temp_file): Likewise.
21446 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
21448 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
21450 * varasm.c (asm_emit_uninitialised): New function: Generate
21451 the assembler statements necessary to declare an uninitialised
21453 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
21455 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
21456 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
21458 (assemble_variable): Use asm_emit_uninitialised to emit an
21459 uninitialised variable.
21461 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
21463 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
21464 constant on a 64 bit host. Patch supplied by Geoffrey Keating
21465 <geoffk@cygnus.com>.
21467 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21469 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
21470 * c-common.h (builtin_function): Don't declare.
21472 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
21474 (pushdecl): Likewise.
21475 (finish_decl): Likewise.
21476 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
21477 int. All callers changed.
21478 Set the builtin's DECL_BUILT_IN_CLASS.
21479 * tree.h (enum built_in_class): New.
21480 (enum built_in_function): Delete NOT_BUILT_IN.
21481 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
21483 (DECL_SET_FUNCTION_CODE): Likewise.
21484 (DECL_BUILT_IN_CLASS): New macro.
21485 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
21486 (struct tree_decl): Split builtin function code field into a
21488 (builtin_function): Declare.
21490 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
21492 * optabs.c (init_traps): Fix typo in last change.
21494 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
21496 * toplev.c (rest_of_decl_compilation): Update comment.
21498 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
21500 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
21501 in .sbss if appropriate.
21502 (EXTRA_SECTION_FUNCTIONS): Add sbss.
21503 (SBSS_SECTION_ASM_OP): New macro.
21504 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
21505 (EXTRA_SECTIONS): Add in_sbss.
21506 * config/mips/mips.h: Prototype sbss_section.
21508 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
21510 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
21513 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
21515 * optabs.c (init_traps): Register trap_rtx as a GC root.
21517 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
21519 * config/mips/mips.c (function_arg_pass_by_reference): Define
21520 unconditionally, since it's called unconditionally.
21522 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
21524 * toplev.c (documented_lang_options): Add -fshort-wchar.
21525 * c-decl.c (c_decode_option): Likewise.
21526 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
21528 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
21529 * gcc.c (default_compilers): If -fshort-wchar,
21530 override __WCHAR_TYPE__.
21531 * tm.texi (C Dialect Options): Add -fshort-wchar.
21533 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
21534 symbol for a variable.
21536 * cpplib.h (CPP_PREPROCESSED): New macro.
21537 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
21538 we're seeing this input for a second time.
21540 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
21542 * emit-rtl.c (init_emit_once): Initialize modes first.
21544 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
21546 * config/i386/i386.c (pic_label_name): Change to char pointer.
21547 (global_offset_table): New variable.
21548 (load_pic_register): Fill global_offset_table if it hasn't
21549 already been done. Allocate pic_label_name dynamically.
21550 * ggc.h (empty_string): New variable.
21551 * ggc-simple.c (empty_string): Likewise.
21552 (init_ggc): Allocate empty_string and add as root.
21553 * stmt.c (digit_strings): New variable.
21554 (init_stmt): Add last_block_end_note as root. Allocate and
21555 initialize digit_strings.
21556 (expand_asm_operands): Use empty_string instead of string
21557 constant. Use digit_strings instead of string constants.
21558 * profile.c (init_arc_profiler): Allocate string with
21559 ggc_alloc_string instead of xmalloc.
21560 (output_func_start_profiler): Likewise.
21561 * c-typeck.c (digest_init): Check if init is error_mark_node.
21563 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
21564 Richard Henderson <rth@cygnus.com>
21566 * ggc-page.c: New file.
21567 * Makefile.in (ggc-page.o): New.
21569 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
21571 * invoke.texi: Document -fdelete-null-pointer-checks
21572 * toplev.c (flag_delete_null_pointer_checks): New.
21573 (f_options): Add entry for -fdelete-null-pointer-checks.
21574 (rest_of_compilation): Conditionalize null pointer check
21575 elimination on flag_delete_null_pointer_checks.
21576 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
21578 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
21580 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
21581 copyright notice and special exception to GPL.
21583 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21585 * abi64.h (mips_function_value): Add prototype arguments.
21587 * mips-protos.h: New file with mips prototypes.
21589 * mips.c: Include "tm_p.h".
21590 (mktemp, lookup_name): Add prototype arguments.
21591 (extern_list, string_constant, mips_fill_delay_slot,
21592 mips_output_external, mips_output_external_libcall,
21593 mips_output_filename, mips_declare_object, function_prologue,
21594 mips_expand_prologue, function_epilogue, mips16_constant,
21595 build_mips16_function_stub, mips_output_conditional_branch):
21597 (mips_va_start): Remove unused variable `u'.
21598 (mips_va_arg): Cast value to unsigned when comparing against one.
21600 (save_restore_insns, mips_expand_prologue): Add missing arg in
21601 call to `large_int'.
21603 * mips.h: Move prototypes to mips-protos.h.
21604 (data_section, memory_address_p, rdata_section,
21605 readonly_data_section, simple_epilogue_p, text_section): Delete
21606 prototypes delcared elsewhere.
21607 (mips_epilogue_delay_slots, print_options): Delete unused decls.
21609 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
21611 * mips.md: Delete extra args in call to `mips_move_2words'.
21613 * xm-iris6.h (alloca): Add prototype argument.
21615 * genpeep.c: Include "tm_p.h" in generated output file.
21617 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21619 * basic-block.h (find_edge_index): Change parameters.
21620 * flow.c (verify_edge_list): Pass basic_block parameters to
21621 find_edge_index instead of integers.
21623 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
21625 * combine.c (simplify_comparison): Use an unsigned shift to adjust
21628 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
21630 * gcc.1: Fix a formatting error.
21632 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
21634 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
21635 i786, mn10200, mn10300, pdp11, v850.
21637 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
21639 * libgcc2.c (num_digits): Add prototype with
21640 __attribute__((const)).
21641 (__terminate): Add prototype.
21643 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
21645 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
21647 * alpha/alpha.c (print_operand): Fix type of `code'.
21648 (alpha_output_filename): Constify.
21649 * alpha/alpha.h: Move all function declarations ...
21650 * alpha/alpha-protos.h: ... here. New file.
21651 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
21652 (SECTION_FUNCTION_TEMPLATE): Likewise.
21654 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21656 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
21657 * expr.c (expand_expr): Likewise.
21658 (do_jump): Likewise.
21659 (do_store_flag): Pass ccp_store_flag to can_compare_p.
21660 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
21662 (enum can_compare_purpose): New.
21663 (can_compare_p): Adjust prototype.
21664 (prepare_cmp_insn, prepare_operand): Declare.
21665 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
21666 * optabs.c (cmp_available_p): Deleted.
21667 (expand_abs): Pass ccp_jump to can_compare_p.
21668 (can_compare_p): New arg PURPOSE. Check for combined optabs.
21669 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
21670 Call can_compare_p rather than cmp_available_p.
21671 (prepare_operand): No longer static.
21672 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
21673 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
21674 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
21675 sequence to use emit_cmp_and_jump_insns.
21676 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
21678 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
21680 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
21681 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
21682 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
21683 (plus (reg) (const_int 0))
21684 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
21686 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
21688 * rs6000.c (expand_block_move): DImode loads and stores require
21689 word-aligned displacements. Increment address registers with
21690 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
21692 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
21694 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
21695 is no name for the base type, rather than segfault. If we are
21696 writing out a complex integer type, use DW_ATE_lo_user.
21698 * expr.c (emit_move_insn_1): If we are copying a complex that fits
21699 in one word or less (complex char, complex short, or on 64 bit
21700 systems complex float) to/from a hard register, copy it through
21701 memory instead of dying in gen_{real,imag}part. If we have a
21702 short complex type, prevent inlining since it allocates stack
21705 * tree.c (build_complex_type): If we are writing dwarf2 output,
21706 generate a name for complex integer types.
21708 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21710 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
21711 * flow.c (remove_edge): Remove extra whitespace.
21712 (remove_fake_edges): Fix comment.
21713 (add_noreturn_fake_exit_edges): Use the correct name.
21715 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
21717 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
21718 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
21719 (clean): Depend on INTL_CLEAN.
21720 (maintainer-clean): Adjust.
21722 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21724 * configure.in (AC_PREREQ): Bump to 2.13.
21725 (AC_C_STRINGIZE): Call this instead of using a custom macro.
21727 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
21729 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
21731 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
21733 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
21734 (HAVE_STRINGIZE): Define.
21736 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
21738 * c-parse.in: save and restore warn_pointer_arith on __extension__
21739 along with pedantic.
21740 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
21741 Set the type of extension to itype rather than $<itype>1 kludge.
21742 * extend.texi (Alternate Keywords): Adjust documentation.
21743 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
21745 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
21747 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
21748 most assembler templates.
21750 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
21751 FP loads and stores.
21752 (following_call): Always return zero for the PA8000.
21753 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
21754 FP loads and stores.
21755 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
21757 * pa.h (BRANCH_COST): Define.
21759 * pa.md (return, return_internal): Use bve for PA2.0.
21761 * pa.md (fused multiply): Add variants which reduce height for the
21762 fused multiply, but which still generate 2 insns.
21763 (fnegabs): Similarly.
21765 * pa.md (subsi3): Turn into an expander. Create two anonymous
21766 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
21767 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
21769 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
21771 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
21773 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
21774 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
21776 * regclass.c (init_regs): Add "top_of_stack" as a garbage
21779 * flow.c (record_active_eh_regions): Terminate loop after finding
21780 the last insn in the last basic block.
21782 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21784 * config/c4x/c4x.md: Delete parallel instruction peepholes.
21786 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21788 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
21790 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21792 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
21793 splitting to not use output template.
21795 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21797 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
21798 * config/c4x/c4x.c (c4x_va_start): New function.
21800 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
21802 * genrecog.c (not_both_true): Handle correctly cases when called for
21803 tests with different positions in the insn.
21805 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21807 * machmode.h (HOST_PTR_PRINTF): Move from here ...
21809 * system.h (HOST_PTR_PRINTF): ... to here.
21811 * mips-tfile.c: Don't include machmode.h.
21813 * Makefile.in (MACHMODE_H): New variable. Update to use it.
21814 (mips-tfile.o): Don't depend on machmode.h.
21816 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21818 * haifa-sched.c (sched_analyze): Rename local variable `region' to
21819 avoid conflicts with typedef struct `region' at the top level scope.
21821 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
21823 * basic-block.h (basic_block): Add eh_beg, eh_end.
21824 * flow.c (entry_exit_blocks): Update.
21825 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
21826 Call new functions.
21827 (find_basic_blocks_1): Don't record eh_list at each bb. Use
21828 lists.c functions to allocate insn lists.
21829 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
21831 (make_eh_edge): ... here. New.
21832 (move_stray_eh_region_notes): New.
21833 (record_active_eh_regions): New.
21834 (delete_unreachable_blocks): Split out block merging ...
21835 (try_merge_blocks): ... here. New.
21836 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
21837 Dump debugging data.
21838 (merge_blocks_move_successor_nojumps): Likewise.
21839 (merge_blocks): Use eh_beg+eh_end to validate block movement.
21841 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
21843 * extend.texi (Bound member functions): Document unbound pmf
21846 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21848 * flow.c (split_edge): Handle insertion on a fallthrough edge which
21849 has the EXIT_BLOCK as a dest.
21851 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21853 * flow.c (remove_edge): New function to remove an edge from the
21855 (remove_fake_successors): New function to remove fake successor edges.
21856 (remove_fake_edges): New function to remove all fake edges from the
21858 (add_fake_exit_edges): New function to add fake edges from all blocks
21859 with no successors to the exit block.
21860 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
21861 prototypes for new functions.
21863 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21865 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
21866 Use Pmode to determine whether to output .dword or .word.
21868 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
21870 * tree.c (built_in_filename): New variable.
21871 (BUILT_IN_FILENAME): New macro.
21872 (init_tree_codes): Allocate built_in_filename.
21873 (make_node): Use built_in_filename instead of string constant.
21875 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
21877 * configure.in: Add fr30 target.
21878 * configure: Regenerate.
21879 * config/fr30: New directory.
21880 * config/fr30/crti.asm: New file.
21881 * config/fr30/fr30.c: New file.
21882 * config/fr30/crtn.asm: New file.
21883 * config/fr30/fr30.h: New file.
21884 * config/fr30/fr30.md: New file.
21885 * config/fr30/lib1funcs.asm: New file.
21886 * config/fr30/t-fr30: New file.
21887 * config/fr30/xm-fr30.h: New file.
21889 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
21891 * flow.c (merge_blocks_move_successor_nojumps): Delete the
21892 BARRIER at the end of the successor, not the BARRIER before
21895 * pa.c (pa_add_gc_roots): Fix thinko in last change.
21897 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
21899 * stmt.c (any_pending_cleanups): Don't crash when
21900 current_function->stmt is unset.
21902 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
21904 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
21905 other initializations that may use it for relative offsets.
21907 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
21909 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
21910 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
21911 * config/i386/sol2dbg.h: Removed.
21912 * config/i386/sol2gas.h: New file, to enable gas work-around.
21913 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
21914 Don't use sol2dbg.h.
21915 * configure: Rebuilt.
21917 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
21919 * invoke.texi (-fthis-is-variable): Remove documentation.
21921 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
21923 * basic-block.h (compute_bb_for_insn): Declare.
21924 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
21925 to use; set size of basic_block_for_insn directly.
21926 (find_basic_blocks): Update.
21928 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21930 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
21932 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21934 * crtstuff.c (ON_EXIT): Delete empty macro definition.
21935 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
21937 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
21939 * c-decl.c (c_decode_option): Extend comment.
21941 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
21943 * toplev.c (progname): Make 'const char *'
21944 (flag_print_mem): Move out of main.
21945 (version_flag): Move out of main.
21946 (filename): Move out of main.
21947 (debug_args): Remove g prefix from options.
21948 (documented_lang_options): Remove cpplib specific options.
21949 (display_help): Add g prefix to debug options.
21950 (check_lang_option): Delete this function.
21951 (decode_d_option): New function: Decode -d... option.
21952 (decode_f_option): New function: Decode -f... option.
21953 (decode_W_option): New function: Decode -W... option.
21954 (decode_g_option): New function: Decode -g... option.
21955 (independent_decode_option): New function: Decode a language
21956 independent command line option.
21957 (main): Invoke lang_decode_option and then
21958 independent_decode_option on each command line option in
21961 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
21963 Revert this change. Gavin's patch to operand_equal_p is a better fix.
21964 * fold-const.c (fold_range_test): Do not try to fold the range
21965 test if the rhs or lhs has side effects.
21967 * basic-block.h (compute_flow_dominators): Declare.
21969 * gcse.c (alloc_code_hoist_mem): New function.
21970 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
21971 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
21972 (hoist_code, one_code_hoisting_pass): Likewise.
21973 (gcse_main): If optimizing for size, then hoist expressions
21974 computed in multiple dominated basic blocks.
21976 * gcse.c (invalid_nonnull_info): New function.
21977 (delete_null_pointer_checks): Likewise.
21978 * rtl.h (delete_null_pointer_checks): Declare.
21979 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
21981 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
21982 (merge-blocks_move_successor_nojumps): Likewise.
21983 (merge_blocks): Allow merging of some blocks, even if it requires
21984 physical movement of the blocks, but not if it requires new jumps.
21986 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
21987 Callers and prototype changed.
21988 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
21990 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
21992 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
21993 -YP when both -p and -pg are present. From i386/sol2.h.
21995 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21997 * Makefile.in (distclean): Delete tm_p.h.
21998 * configure.in: Create a new file, "tm_p.h", from a list in
21999 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
22000 "i386/i386-protos.h".
22002 * alias.c: Include "tm_p.h".
22003 * c-typeck.c: Likewise.
22004 * calls.c: Likewise.
22006 * emit-rtl.c: Likewise.
22007 * explow.c: Likewise.
22008 * expmed.c: Likewise.
22009 * expr.c: Likewise.
22010 * final.c: Likewise.
22011 * flow.c: Likewise.
22012 * fold-const.c: Likewise.
22013 * function.c: Likewise.
22014 * gcse.c: Likewise.
22015 * global.c: Likewise.
22016 * haifa-sched.c: Likewise.
22017 * integrate.c: Likewise.
22018 * jump.c: Likewise.
22019 * local-alloc.c: Likewise.
22020 * loop.c: Likewise.
22021 * optabs.c: Likewise.
22022 * recog.c: Likewise.
22023 * reg-stack.c: Likewise.
22024 * regclass.c: Likewise.
22025 * regmove.c: Likewise.
22026 * reload.c: Likewise.
22027 * reload1.c: Likewise.
22028 * reorg.c: Likewise.
22029 * resource.c: Likewise.
22030 * stmt.c: Likewise.
22031 * stor-layout.c: Likewise.
22032 * toplev.c: Likewise.
22033 * tree.c: Likewise.
22034 * unroll.c: Likewise.
22035 * genattrtab.c (main): Make generated file include "tm_p.h".
22036 * genemit.c (main): Likewise.
22037 * genoutput.c (main): Likewise.
22038 * genrecog.c (main): Likewise.
22040 * i386.h: Delete all prototypes.
22041 * i386.c: Include "tm_p.h".
22042 (ix86_attr_length_default): Call constant_call_address_operand
22043 with correct number of arguments.
22044 * i386-protos.h: New file.
22045 * i386.md (unnamed patterns): Call constant_call_address_operand
22046 with correct number of arguments.
22047 (exception_receiver): Call load_pic_register with correct number
22050 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
22052 * c-pragma.c (mark_align_stack): Dereference the void* properly.
22054 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
22056 * rtl.h (insns_safe_to_move_p): New function.
22057 * loop.c (find_and_verify_loops): Use it.
22058 * rtlanal.c (insns_safe_to_move_p): Define it.
22060 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
22062 * c-pragma.c: Include ggc.h.
22063 * Makefile.in (c-pragma.o): Update.
22065 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
22067 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
22068 (LIB_SPEC): Likewise.
22069 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
22070 Reindent -YP/-p/-pg.
22071 Copied from config/sparc/sol2.h.
22073 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
22075 * c-pragma.c (mark_align_stack): New.
22076 (init_pragma): New.
22077 * c-pragma.h (init_pragma): Declare it.
22078 * c-lex.c (init_parse): Call it.
22080 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
22082 * configure.in: Pick up thread library on Solaris/x86 just
22083 like on Solaris/sparc.
22084 * configure: Rebuilt.
22086 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
22088 * rtl.h (global_rtx_index): New enum.
22089 (global_rtl): Change to array of rtx.
22090 (pc_rtx, cc0_rtx): Redefine accordingly.
22091 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
22092 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
22093 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
22094 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
22095 (const_int_rtx): Change to array of rtx.
22096 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
22098 * emit-rtl.c (global_rtl): Change to array of rtx.
22099 (const_int_rtx): Change to aray of rtx.
22100 (gen_rtx_CONST_INT): Redefine accordingly.
22101 (init_emit_once): Allocate and initialize global_rtl. Likewise
22102 for const_int_rtx. Add both as GC roots.
22103 * genattrtab.c (global_rtl): Update declaration.
22105 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
22107 * Makefile (USER_H): Add iso646.h back.
22109 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
22111 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
22112 zapping the LOG_LINKS of sched_before_next_call.
22114 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
22115 * pa.c (insn_refs_are_delayed): Renamed from
22116 insn_sets_and_refs_are_delayed.
22118 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
22120 * functiion.h (struct function): Add x_whole_function_mode_p.
22121 (retrofit_block): Declare.
22122 * function.c (retrofit_block): New function.
22123 (identify_blocks): Add assertions. Allow an incomplete set of
22124 block notes if we're still generating code for the function.
22125 * integrate.c: Include loop.h.
22126 (expand_inline_function): Call find_loop_tree_blocks to map block
22127 notes to blocks when in whole-function mode. Use retrofit_block
22128 to insert new BLOCKs for the inlined function, rather than
22130 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
22131 * Makefile.in (integrate.o): Depend on loop.h.
22133 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
22135 * tree.h (warn_about_unused_variables): Declare.
22136 * stmt.c (warn_about_unused_variables): New function, split out
22138 (expand_end_bindings): Here.
22140 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
22142 * stmt.c (preserve_subexpressions_p): Don't crash when
22143 current_function->stmt is unset.
22145 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
22147 * stmt.c (expand_start_bindings): Allow callers to pass a flag
22148 indicating that no NOTE_INSN_BLOCK_BEG note is required.
22149 (expand_start_target_temps): Use it.
22150 * except.c (expand_eh_region_start_for_decl): Likewise.
22151 * expr.c (expand_expr): Likewise.
22153 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
22155 * fold-const.c (operand_equal_p): Pay attention to side effects.
22157 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
22159 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
22160 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
22162 * tlink.c (scan_linker_output): Look for keywords before accepting
22163 a mangled name in quotes.
22165 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
22167 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
22168 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
22170 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
22172 * alpha.md: Revert Thu Nov 26 change that came in through the
22173 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
22174 Avoid earlyclobber when possible.
22176 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22178 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
22180 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
22181 Define HAVE_ON_EXIT.
22183 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22185 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
22186 CTYPE_CONV in all ctype macros.
22188 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
22191 * cexp.y (initialize_random_junk): Likewise.
22193 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
22195 * i370.c (handle_pragma): Likewise.
22197 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
22199 * v850.c (override_options): Likewise.
22201 * doprint.c (_doprnt): Likewise.
22203 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
22206 * fixinc/server.c (load_data): Likewise.
22208 * fold-const.c (real_hex_to_f): Likewise.
22210 * genattr.c (write_upcase, gen_attr): Likewise.
22212 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
22213 write_upcase): Likewise.
22215 * genemit.c (print_code): Likewise.
22217 * genopinit.c (gen_insn): Likewise.
22219 * genpeep.c (print_code): Likewise.
22221 * genrecog.c (print_code): Likewise.
22223 * optabs.c (init_libfuncs): Likewise.
22225 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
22227 * haifa-sched.c (sched_analyze): Keep the list of notes organized
22229 (reemit_notes): Likewise.
22231 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
22233 * ggc.h (ggc_root): Move to ggc-common.c.
22235 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
22236 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
22237 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
22238 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
22239 * ggc-common.c (ggc_root): Move from ggc.h.
22240 (roots): Declare, static.
22241 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
22242 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
22243 null or check/set mark bit.
22244 (ggc_mark_roots): New.
22245 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
22247 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
22249 * m32r.c: Include toplev.h.
22250 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
22251 (gen_compare): Rename swap_p to must_swap to match uses.
22252 Add default abort case.
22253 (m32r_output_function_epilogue): Remove unused variables.
22254 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
22255 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
22256 define to empty parameter list. Update all uses.
22257 (predicate decls): Use enum machine_mode not int.
22258 * m32r.md (movsi): Call abort, not fatal_insn.
22259 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
22261 1999-09-14 Andrew Haley <aph@cygnus.com>
22263 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
22264 use $0 instead of 0.
22266 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22268 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
22269 computation out of loop over hard regs.
22271 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
22273 * function.c (identify_blocks): Don't shadow a variable in an
22275 * integrate.c (integrate_decl_tree): Don't use pushlevel,
22276 pushdecl, or poplevel to build up the new BLOCK tree.
22277 (expand_inline_function): Likewise.
22278 (integrate_parm_decls): Likewise.
22280 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
22282 * c-typeck.c (qualify_type): Merge qualifiers from both types.
22284 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
22286 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
22287 * invoke.texi: Document this change.
22289 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
22291 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
22293 (mark_emit_status): Renamed from mark_emit_state.
22294 * except.c (mark_eh_status): Renamed from mark_eh_state.
22295 Check not null before marking.
22296 (free_eh_status): New.
22297 * expr.c (mark_expr_status, free_expr_status): New.
22298 * function.c (free_machine_status): New.
22299 (free_after_parsing): New.
22300 (free_after_compilation): Move bits to free_after_parsing; call
22301 free_eh_status, free_expr_status; zero the marked members of the
22303 (prepare_function_start): No can_garbage_collect.
22304 Call init_eh_for_function.
22305 (expand_dummy_function_end): Free up current_function state.
22306 (mark_function_status): Renamed from mark_function_state.
22307 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
22308 * function.h (struct function): No can_garbage_collect.
22309 (free_machine_status, free_after_parsing): Declare.
22310 (free_eh_status, free_expr_status): Declare.
22311 * ggc.h (mark_expr_status): Declare.
22312 * stmt.c (free_stmt_status): Free the struct.
22313 (mark_stmt_status): Renamed from mark_stmt_state.
22314 (init_stmt): Don't call init_eh.
22315 (init_stmt_for_function): Don't call init_eh_for_function.
22316 * toplev.c (compile_file): Call init_eh.
22317 (rest_of_compilation): Free basic block info before ggc_collect.
22318 Call free_after_parsing; conditionally call free_after_compilation.
22319 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
22320 Check not null before marking.
22321 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
22323 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
22325 * c-lex.c (yylex): Initialize warn.
22327 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
22329 * pa.c (emit_move_sequence): Properly set the mode of the scratch
22330 register when performing secondary reloads for the SAR register.
22332 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
22334 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
22335 (NOTE_BLOCK): New macro.
22336 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
22337 * function.h (identify_blocks): Change prototype.
22338 * function.c (identify_blocks): Simplify.
22339 (reorder_blocks): Likewise.
22340 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
22341 NOTE_INSN_BLOCK_{BEG,END}.
22342 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
22343 the list of saved notes if the note isn't a
22344 NOTE_INSN_BLOCK_{BEG,END}.
22345 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
22347 (reemit_notes): Adjust recreation of notes to reflect new saved
22349 * print-rtl.c (print_rtx): Print the address of the BLOCK when
22350 printing a block note.
22351 * stmt.c (block_vector): Remove.
22352 (find_loop_tree_blocks): Simplify.
22353 (unroll_block_trees): Likewise.
22354 * tree.h (reorder_block): Change prototype.
22356 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
22358 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
22359 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
22360 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
22361 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
22362 (atexit, exit): Simplify.
22363 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
22364 * config/lots: Remove defns of HAVE_ATEXIT.
22366 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
22368 * calls.c (precompute_arguments): Fix typo in comment.
22369 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
22372 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
22374 * dsp16xx.c (override_options): Fix typos in GC root registration.
22376 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
22378 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
22379 from config/svr4.h.
22380 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
22381 (FUNCTION_PROFILER): Redefine appropriately for Linux.
22382 (CC1_SPEC): Likewise.
22384 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22386 * genattr.c (main): Add extern prototype. Call return, not exit.
22387 * genattrtab.c (main): Likewise.
22388 * gencheck.c (main): Likewise.
22389 * gencodes.c (main): Likewise.
22390 * genconfig.c (main): Likewise.
22391 * genemit.c (main): Likewise.
22392 * genextract.c (main): Likewise.
22393 * genflags.c (main): Likewise.
22394 * gengenrtl.c (main): Likewise.
22395 * genopinit.c (main): Likewise.
22396 * genoutput.c (main): Likewise.
22397 * genpeep.c (main): Likewise.
22398 * genrecog.c (main): Likewise.
22400 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
22401 * genattrtab.c (get_insn_name): Likewise.
22402 * gencodes.c (get_insn_name): Likewise.
22403 * genconfig.c (get_insn_name): Likewise.
22404 * genemit.c (get_insn_name): Likewise.
22405 * genextract.c (get_insn_name): Likewise.
22406 * genflags.c (get_insn_name): Likewise.
22407 * genopinit.c (get_insn_name): Likewise.
22408 * genpeep.c (get_insn_name): Likewise.
22410 * gencheck.c (usage): Add static prototype.
22411 * genextract.c (print_path): Constify a char*.
22412 * genopinit.c (optabs): Likewise.
22413 * genoutput.c (operand_data, data, output_predicate_decls,
22414 compare_operands): Likewise.
22415 * genrecog.c (write_tree): Add default case in switch.
22417 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22419 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
22421 * print-rtl.c (get_insn_name): Remove prototype.
22423 * toplev.h (progname): Declare const.
22425 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
22426 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
22427 dump_sched_info, dump_local_alloc, regset_release_memory,
22428 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
22429 error_with_file_and_line, error_with_decl, error_for_asm, error,
22430 fatal, warning_with_file_and_line, warning_with_decl, warning,
22431 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
22432 Remove redundant prototypes.
22434 (notice, check_lang_option, report_file_and_line, vnotice,
22435 mark_file_stack): Add static prototype.
22436 (set_fatal_function): Add prototype.
22437 (vnotice, report_file_and_line, set_fatal_function,
22438 check_lang_option): Constify a char*.
22439 (main): Prototype. Call return, not exit.
22441 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22443 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
22445 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
22447 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
22449 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
22451 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22453 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
22454 behave as if it's zero in all cases.
22455 (expand_function_start): Adjust call to assign_parms.
22456 * tree.h (assign_parms): Adjust prototype.
22457 * objc/objc-act.c (hack_method_prototype): Adjust call to
22460 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
22462 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
22463 arg_pointer_rtx fixed if the argument pointer register is
22465 (NONZERO_BASE_PLUS_P): Likewise.
22467 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
22469 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
22470 match_insn2 to match_insn.
22471 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
22473 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
22475 * Makefile.in (USER_H): Remove va-foo.h.
22477 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
22478 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
22479 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
22480 va-spur.h,va-v850.h}: Remove.
22482 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
22484 * sparc/sparc.md (eligible_for_return_delay): New attribute.
22485 (in_return_delay): Use it instead of match_insn.
22487 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
22489 * config/alpha/va_list.h (va-alpha.h): Do not include.
22490 (__gnuc_va_list): Typedef as in varargs.h.
22492 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
22494 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
22495 DECL_LIVE_RANGE_RTL.
22497 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
22499 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
22500 not NOTE_BLOCK_NUMBER.
22501 (expand_eh_region_end): Likewise.
22502 (find_exception_handler_labels): Likewise.
22503 (scan_region): Likewise.
22504 (exception_optimize): Likewise.
22505 (update_rethrow_references): Likewise.
22506 (set_insn_eh_region): Likewise.
22507 * final.c (final_scan_insn): Likewise.
22508 * flow.c (make_edges): Likewise.
22509 * integrate.c (expand_inline_function): Likewise.
22510 * print-rtl.c (print_rtx): Likewise.
22512 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
22514 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
22515 terms of builtin functions and types.
22517 * mips.c (mips_build_va_list): New.
22518 (mips_va_start, mips_va_arg): New.
22519 * mips.h (BUILD_VA_LIST_TYPE): New.
22520 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
22522 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
22523 (sh_build_va_list, sh_va_start, sh_va_arg): New.
22524 * sh.h (BUILD_VA_LIST_TYPE): New.
22525 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
22527 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
22529 * recog.h (struct recog_data): Make dup_num, operand_address_p,
22530 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
22531 (struct insn_data): Likewise with n_operands, n_dups,
22532 n_alternatives, output_format.
22533 * regclass.c (scan_one_insn): Cast n_operands to int before
22534 arithmetic inside comparison.
22536 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
22538 * toplev.c (compile_function): Unconditionally emit nop.
22540 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22542 * haifa-sched.c (actual_hazard): Move declaration of variable
22543 `this_cost' into the scope where it is used.
22545 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22547 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
22548 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
22549 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
22551 * genrecog.c (make_insn_sequence): Call memset, not bzero.
22553 * jump.c (find_insert_position): Don't declare or define unless
22554 !HAVE_conditional_arithmetic.
22555 (returnjump_p_1, delete_prior_computation): Add static prototypes.
22557 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
22559 * recog.c (offsettable_address_p): Prototype function pointer.
22560 (preprocess_constraints): Call memset, not bzero.
22562 * tree.c (tree_node_kind_names): Constify a char*. Make static.
22563 (gcc_obstack_init): Don't declare.
22564 (fix_sizetype): Add static prototype.
22565 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
22566 (tree_cons): Call memset, not bzero.
22568 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
22569 definition in macro ASM_WEAKEN_LABEL.
22570 (mark_const_hash_entry): Add static prototype.
22572 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22574 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
22576 * unroll.c (find_common_reg_term, subtract_reg_term,
22577 loop_find_equiv_value): Add static prototypes.
22578 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
22579 (copy_loop_body): Remove unreachable break statement.
22581 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
22583 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
22585 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22587 Undo some changes from the gcc2 merge:
22588 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
22589 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
22593 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
22594 * emit-rtl.c (gen_lowpart_common): Disable optimization of
22595 initialized float-int union if the value is a NaN.
22597 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
22599 * gthr-win32.h: New file.
22601 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
22602 shared as a valid attribute.
22603 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
22604 * extend.texi: Document `shared' variable attribute.
22606 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
22608 * configure.in: Handle --enable-threads on FreeBSD.
22609 * configure: Rebuit.
22611 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
22613 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
22615 * configure: Rebuilt.
22617 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
22618 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
22619 Rosimildo DaSilva <rdasilva@connecttel.com>
22621 * configure.in (m68k-*-rtemscoff*): Added.
22622 * configure.in (mips64orion-*-rtems*): Converted to ELF.
22623 * configure.in (sparc-*-rtemsaout*): Added as alias for old
22624 sparc-rtems configuration.
22625 * configure.in (sparc-*-rtemself*): Added.
22626 * configure.in (sparc-*-rtems*): Now ELF not a.out.
22627 * config/i386/rtems.h: Added comment.
22628 * config/sparc/rtemself.h: New file.
22630 * configure.in (m68k-rtemself): Added.
22631 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
22632 and DWARF_DEBUGGING_INFO.
22633 * config/m68k/crti.s: New file.
22634 * config/m68k/crtn.s: New file.
22635 * config/m68k/t-crtstuff: New file.
22636 * config/m68k/rtemself.h: New file.
22638 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
22639 global ctor/dtor and C++ exception handling.
22640 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
22641 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
22643 * config/i386/t-rtems-i386: New File.
22645 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
22647 * stmt.c (expand_end_case): Return right away if the case stack is
22650 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
22652 * Makefile.in (version.c): Remove rule incorrectly brought in from
22655 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
22657 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
22658 * msdos/top.sed: Take into account a prepended $(SHELL) to
22660 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
22662 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
22664 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22666 * regmove.c (fixup_match_1): Don't change an unchanging register.
22667 (stable_but_for_p): Renamed to:
22668 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
22669 Changed all callers.
22671 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
22673 * loop.c (strength_reduce): Don't call reg_used_between_p if the
22674 insn from BL2 is after the insn from BL.
22676 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
22678 * recog.h (INSN_OUTPUT_FORMAT_*): New.
22679 (struct insn_data): Merge `template' and `outfun' into `output'.
22680 Add `output_format'.
22681 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
22682 (struct data): Remove `outfun'; add `output_format'.
22683 (name_for_index): Remove declaration.
22684 (output_insn_data): Handle output formats.
22685 (process_template): Emit the bare array for @.
22686 (gen_expand, gen_split): Set output_format to NONE.
22687 * output.h (get_insn_template): Declare.
22688 * final.c (get_insn_template): New.
22689 (final_scan_insn): Use it.
22690 * toplev.c (compile_file): Likewise.
22692 * c4x/c4x.c (c4x_process_after_reload): Likewise.
22693 * i860/i860.c (output_delayed_branch): Likewise.
22694 (output_delay_insn): Likewise.
22696 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
22698 * rtl.c (obstack_alloc_rtx): Removed.
22700 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
22702 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
22704 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
22706 * i386.c (call_insn_operand): Reject const_int.
22707 (expander_call_insn_operand): Use call_insn_operand.
22709 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22711 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
22713 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
22715 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
22716 Use DImode operation.
22718 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
22720 * gcc.c: Include sys/resource.h.
22721 (report_times): New flag.
22722 (execute): If report_times is set, calculate and report the
22723 CPU time consumed by each subprocess.
22725 (rus, prus): New globals.
22726 (option_map): Add --time.
22727 (display_help): Document -time.
22728 (process_command): Set report_times if -time is given.
22729 Turn off -pipe if -time is given.
22731 * invoke.texi: Document new option -time.
22733 * configure.in: Check for getrusage. Check if we have to
22734 prototype getrusage.
22735 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
22736 * configure: Regenerate.
22737 * config.in: Regenerate.
22739 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
22741 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
22744 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
22746 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
22747 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
22748 (nan): Return _thenan_sf or _thenan_df as appropriate.
22749 (L_thenan_sf): Define _thenan_sf.
22750 (L_thenan_df): Define _thenan_df.
22752 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
22753 (DPBIT_FUNCS): Add _thenan_df.
22755 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
22757 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
22760 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22762 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
22765 (lang_specific_driver): Don't take a function pointer parameter.
22766 All callers changed.
22768 * gcc.c: Include gcc.h.
22769 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
22770 lang_specific_extra_outfiles, fatal): Don't declare.
22771 (multilib_defaults_raw): Constify.
22772 (read_specs): Call memset, rather than bzero.
22773 (main): Call return, not exit.
22774 (lookup_compiler): Call memcpy, not bcopy.
22775 (fatal): Make extern.
22777 * cppspec.c: Include gcc.h.
22778 (lang_specific_driver): Initialize variable `quote'. Constify a
22779 char*. All calls to the function pointer parameter now
22780 explicitly call `fatal'.
22782 * gccspec.c (lang_specific_driver): Include gcc.h.
22784 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
22786 * arm.c (note_invalid_constants): Use recog_data.operand_type
22789 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22791 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
22794 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
22795 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
22796 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
22797 reload_secondary_in_reload, reload_secondary_out_reload,
22798 reload_secondary_in_icode, reload_secondary_out_icode,
22799 reload_reg_rtx, reload_when_needed): Delete declarations.
22800 (struct reload): New structure.
22801 (rld): Declare new array.
22802 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
22803 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
22804 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
22805 reload_secondary_in_reload, reload_secondary_out_reload,
22806 reload_secondary_in_icode, reload_secondary_out_icode,
22807 reload_reg_rtx, reload_when_needed): Delete definitions.
22809 (whole file): Replace uses of the deleted arrays with uses of rld.
22810 * reload1.c (whole file): Replace uses of the deleted arrays with
22812 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
22813 explicit loops, not with bcopy.
22815 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
22817 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
22818 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
22819 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
22820 insn_name): Delete and consolidate into new structures.
22821 (insn_operand_predicate_fn): New.
22822 (insn_output_fn): New.
22823 (insn_gen_fn): New.
22824 (struct insn_operand_data): New.
22825 (struct insn_data): New.
22827 (OUT_FCN): Update for insn_data change.
22828 * builtins.c (expand_builtin_strlen): Likewise.
22829 (expand_builtin_memcmp): Likewise.
22830 * combine.c (make_extraction, simplify_comparison): Likewise.
22831 * cse.c (canon_reg, cse_insn): Likewise.
22832 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
22833 * expmed.c (store_bit_field, extract_bit_field): Likewise.
22834 (emit_store_flag): Likewise.
22835 * expr.c (convert_move, emit_block_move): Likewise.
22836 (clear_storage, emit_push_insn, expand_increment): Likewise.
22837 (do_store_flag): Likewise.
22838 * expr.h (GEN_FCN): Likewise.
22839 (insn_gen_function): Die.
22840 * final.c (final_scan_insn): Update for insn_data change.
22841 (output_asm_name): Likewise.
22842 * function.c (fixup_var_refs_1): Likewise.
22843 * loop.c (check_dbra_loop): Likewise.
22844 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
22845 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
22846 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
22847 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
22848 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
22849 * regmove.c (gen_add3_insn): Likewise.
22850 * reload.c (push_secondary_reload, combine_reloads): Likewise.
22851 (find_reloads, find_reloads_address_1): Likewise.
22852 (debug_reload_to_stream): Likewise.
22853 * reload1.c (emit_reload_insns, gen_reload): Likewise.
22854 * stmt.c (expand_end_case): Likewise.
22855 * toplev.c (compile_file): Likewise.
22857 * c4x/c4x.c (c4x_process_after_reload): Likewise.
22858 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
22860 * print-rtl.c (insn_name_ptr): Remove declaration.
22861 (get_insn_name): Declare.
22862 (print_rtx): Use it.
22863 * genoutput.c (insn_name_ptr): Remove.
22864 (next_operand_number): New.
22865 (struct operand_data): New.
22866 (null_operand, odata, odata_end): New.
22867 (struct data): Use struct operand_data.
22868 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
22869 (get_insn_name): Renamed from name_for_index.
22870 (output_prologue): Define NO_MD_PROTOTYPES.
22871 (output_predicate_decls): Break out from output_epilogue.
22872 Iterate over the operands list.
22873 (output_operand_data): Break out from output_epilogue. Emit
22874 just the operands list.
22875 (output_insn_data): Break out from output_epilogue. Emit just
22877 (output_epilogue): Remove.
22878 (output_get_insn_name): New.
22879 (constraints, op_n_alternatives, predicates, address_p): Die.
22880 (modes, strict_low, seen): Die.
22881 (scan_operands): Take new param `d' instead of writing to
22882 seven global variables.
22883 (compare_operands): New.
22884 (place_operands): New.
22885 (validate_insn_alternatives): Update for struct data change.
22886 (gen_insn): Don't zero or copy 7 global arrays. Update for
22887 scan_operands; call place_operands.
22888 (gen_peephole, gen_expand, gen_split): Likewise.
22889 (main): Update for new output routines.
22891 * genattr.c (insn_name_ptr): Remove.
22892 (get_insn_name): New function.
22893 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
22894 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
22895 * genrecog.c: Likewise.
22897 * alpha.md (adddi3): Make `pattern' array static.
22899 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22901 * config/c4x/c4x.h (c4x_rpts_cycles_string,
22902 c4x_cpu_version_string): Constify char *.
22903 * config/c4x/c4x.c (c4x_rpts_cycles_string,
22904 c4x_cpu_version_string): Likewise.
22906 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
22908 * tree.c (save_tree_status): Revert 10 Sep change.
22909 (restore_tree_status): Likewise. Call obstack_free with NULL
22910 before freeing the obstack proper.
22912 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
22914 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
22916 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
22917 surrounding context.
22919 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
22921 * tree.c (type_hash_canon): Put all types in the hash-table, when
22924 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
22926 * recog.h (struct recog_data, recog_data): New.
22927 (recog_foo variables): Kill.
22928 * recog.c (recog_operand, recog_operand_loc): Kill.
22929 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
22930 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
22931 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
22932 (recog_data): Define.
22933 (extract_insn): Update all recog_foo references to use recog_data.
22934 (preprocess_constraints, constrain_operands): Likewise.
22935 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
22936 * genattrtab.c (main): Likewise.
22937 * genextract.c (main): Likewise.
22938 * genoutput.c: Likewise.
22939 * genrecog.c (write_subroutine, main): Likewise.
22940 * local-alloc.c (block_alloc): Likewise.
22941 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
22942 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
22943 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
22944 * reload.c (find_reloads, find_reloads_toplev): Likewise.
22945 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
22946 (reload_cse_simplify_operands): Likewise.
22948 * arc/arc.c (arc_final_prescan_insn): Likewise.
22949 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
22950 * h8300/h8300.c (notice_update_cc): Likewise.
22951 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
22952 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
22953 * mn10200/mn10200.c (notice_update_cc): Likewise.
22954 * mn10300/mn10300.c (notice_update_cc): Likewise.
22955 * romp/romp.c (update_cc): Likewise.
22956 * sparc/sparc.c (check_pic): Likewise.
22957 * v850/v850.c (notice_update_cc): Likewise.
22959 * genemit.c (main): Don't declare recog_operand.
22961 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
22963 * ggc.h (rtvec_def): Forward declare.
22964 (tree_node): Likewise.
22965 (ggc_root): Define.
22967 (ggc_set_mark_rtx): Add prototype.
22968 (ggc_set_mark_rtvec): Likewise.
22969 (ggc_set_mark_tree): Likewise.
22970 * ggc-simple.c (ggc_root): Don't define.
22971 (roots): Don't declare.
22972 (ggc_mark_rtx): Remove.
22973 (ggc_mark_rtvec): Likewise.
22974 (ggc_mark_tree): Likewise.
22975 (ggc_mark_varray): Likewise.
22976 (ggc_mark_tree_hash_table_entry): Likewise.
22977 (ggc_mark_tree_hash_table): Likewise.
22978 (ggc_set_mart_rtx): New function.
22979 (ggc_set_mark_rtvec): Likewise.
22980 (ggc_set_mark_tree): Likewise.
22981 (ggc_add_root): Remove.
22982 (ggc_add_rtx_root): Likewise.
22983 (ggc_remove_tree_root): Likewise.
22984 (ggc_add_string_root): Likewise.
22985 (ggc_add_tree_varray_root): Likewise.
22986 (ggc_add_tree_hash_table_root): Likewise.
22987 (ggc_del_root): Likewise.
22988 (ggc_mark_rtx_ptr): Likewise.
22989 (ggc_mark_tree_ptr): Likewise.
22990 (ggc_mark_string_ptr): Likewise.
22991 (ggc_mark_tree_varray_ptr): Likewise.
22992 (ggc_mark_tree_hash_table_ptr): Likewise.
22993 * ggc-common.c: New file.
22994 * Makefile.in (OBJS): Add ggc-common.o.
22995 (ggc-common.o): List dependencies.
22997 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
22999 * cppalloc.c (xstrdup): Use memcpy.
23000 * cpperror.c (cpp_print_containing_files): Don't use
23002 * cpplib.c (conditional_skip): Set temp->lineno.
23003 (do_endif): Make error message less obscure.
23004 (if_directive_name): New function.
23005 (cpp_get_token [case EOF]): Unwind the if stack and generate
23006 error messages for each unterminated conditional in this file.
23007 (parse_string): Do not behave differently if -traditional.
23009 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
23011 * builtins.c (expand_builtin_va_arg): Cope with an array-type
23012 va_list decomposing to pointer-type.
23013 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
23014 (rs6000_va_arg): Likewise.
23016 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
23018 * except.c (start_dynamic_handler): Compute size using
23019 STACK_SAVEAREA_MODE.
23021 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23023 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
23024 include directory headers. Don't define strrchr. Don't provide
23025 my_* replacement functions. Prefer PTR over `pointer_type'.
23026 Don't prototype system functions. Don't redefine getopt.
23028 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
23029 safe_read, safe_write, save_pointers, restore_pointers,
23030 is_id_char, in_system_include_dir, directory_specified_p,
23031 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
23032 find_corresponding_lparen, referenced_file_is_newer,
23033 save_def_or_dec, munge_compile_params, gen_aux_info_file,
23034 process_aux_info_file, identify_lineno, check_source,
23035 seek_to_line, forward_to_next_token_char, output_bytes,
23036 output_string, output_up_to, other_variable_style_function,
23037 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
23038 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
23039 find_static_definition, connect_defs_and_decs, add_local_decl,
23040 add_global_decls, needs_to_be_converted, visit_each_hash_node,
23041 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
23042 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
23043 scan_for_missed_items, edit_file, string_list_cons): Add static
23045 (standard_exec_prefix, target_machine, target_version,
23046 default_syscalls_dir, string_list, string_list_cons, find_file,
23047 do_cleaning): Constify a char*.
23048 (safe_read, safe_write): Use PTR, not a char*.
23049 (is_id_char): Take an int, not a char.
23050 (main): Add prototype. Call return, not exit.
23052 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
23054 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
23055 when comparing types.
23057 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
23059 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
23060 (strength_reduce): Release the varrays from the no-bivs early exit.
23062 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
23063 the loop over the registers.
23065 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
23067 (restore_tree_status): Check that instead when freeing the obstack.
23069 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
23071 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
23074 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23076 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
23077 operand size modifiers.
23079 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23081 * c-common.c (c_common_nodes_and_builtins): Don't build
23083 * c-common.h (enum c_tree_index and related accesor macros): Remove
23084 everything now declared in tree.h.
23085 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
23086 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
23087 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
23088 (error_mark_node, void_type_node, char_type_node, integer_type_node,
23089 unsigned_type_node, ptr_type_node, va_list_type_node,
23090 integer_zero_node, null_pointer_node, integer_one_node): Delete.
23091 (init_decl_processing): Call build_common_tree_nodes and
23092 build_common_tree_nodes_2 instead of building their nodes here.
23093 Don't add roots for these nodes.
23094 * stor-layout.c (size_zero_node, size_one_node): Delete.
23095 (set_sizetype): Make a new node for bitsizetype each time.
23096 * tree.c (global_trees): New variable.
23097 (init_obstacks): Add a gc root for it.
23098 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
23099 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
23100 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
23101 (build_common_tree_nodes): New function.
23102 (fix_sizetype): New function.
23103 (build_common_tree_nodes_2): New function.
23104 * tree.h (enum tree_index): New.
23105 (global_trees): Declare.
23106 Add accessor macros for all nodes now moved to global_trees.
23107 Delete their declarations.
23109 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
23111 * c-decl.c (finish_function): When processing a nested function,
23112 push and pop GC context around rest_of_compilation.
23114 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
23116 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
23117 Default ix86_arch to PROCESSOR_I386.
23118 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
23119 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
23120 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
23121 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
23122 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
23123 (EXTRA_SPECS): Remove deleted specs.
23125 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
23127 * function.c (assign_stack_local_1): Allocate from
23128 function->x_frame_offset, not frame_offset.
23130 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
23132 * ggc.h (lang_cleanup_tree): Remove.
23133 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
23134 * ggc-callbacks.c (lang_cleanup_tree): Remove.
23136 * c-decl.c (finish_struct): Use ggc_alloc to allocate
23137 TYPE_LANG_SPECIFIC when garbage collecting.
23138 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
23139 (lang_cleanup_tree): Remove.
23141 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
23143 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
23144 * crtstuff.c: Not here.
23145 * dwarf2out.c: Or here.
23146 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
23149 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
23151 * function.h (free_after_compilation): Remove decl parameter.
23152 (free_varasm_status0: Likewise.
23153 (free_emit_status): Likewise.
23154 (free_stmt_status): Likewise.
23155 (free_after_compilation): Likewise.
23156 (init_lang_status): New variable.
23157 (free_lang_status): Likewise.
23158 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
23159 * function.c (init_lang_status): New variable.
23160 (free_lang_status): Likewise.
23161 (push_function_context_to): Don't set function::decl here.
23162 (free_after_copmilation): Make decl parameter implicit. Call
23163 free_lang_status if defined.
23164 (prepare_function_start): Call init_lang_status if defined.
23165 (init_function_start): Set function::decl here.
23166 * profile.c (output_func_start_profiler): Don't call pushdecl
23167 until we've actually started the function.
23168 * stmt.c (free_stmt_status): Make decl parameter implicit.
23169 * toplev.c (rest_of_compilation): Don't pass decl to
23170 free_after_compilation.
23171 * varasm.c (free_varasm_status): Likewise.
23173 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23175 * except.c (call_get_eh_context): Add root when allocating static
23178 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
23180 * arm.c: Include "ggc.h".
23181 (arm_add_gc_roots): New function.
23182 (arm_override_options): Call it.
23183 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
23185 * arm.md (define_asm_attributes): Add a pool_range attribute.
23187 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
23189 * extend.texi (Volatiles): New node.
23191 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
23193 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
23194 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
23195 (struct ggc_any): Replace `mark' with `magic_mark'.
23196 (ggc_alloc_string): Use memcpy, not bcopy.
23197 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
23198 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
23199 (ggc_free_any): New.
23200 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
23201 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
23202 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
23203 Use IS_MARKED. Use ggc_free_any.
23205 1999-09-09 Scott Bambrough <scottb@netwinder.org>
23207 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
23209 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
23211 * toplev.c (main): Always init_ggc.
23213 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
23215 * except.c (find_all_handler_type_matches): Free the list if
23216 we found no matches.
23218 * combine.c (SUBST): Break out to a real function do_SUBST.
23219 (SUBST_INT): Likewise.
23220 * gcse.c (free_pre_mem): Free `temp_bitmap'.
23221 (pre_insert): Free `inserted'.
23222 * loop.c (basic_induction_var): Always set `location'.
23224 * function.c (expand_function_end): Add initial_trampoline as a root.
23225 * rtl.h (init_varasm_once): Declare.
23226 * toplev.c (compile_file): Call it.
23227 * ggc-simple.c (ggc_mark_string_ptr): New.
23228 (ggc_add_string_root): New.
23229 (ggc_collect): Disable collection avoidance temporarily.
23230 * ggc.h (ggc_add_string_root): Declare.
23231 * except.c (create_rethrow_ref): Use ggc_alloc_string.
23232 * optabs.c (init_libfuncs): Likewise.
23233 * varasm.c (named_section): Use ggc_alloc_string.
23234 (make_function_rtl): Likewise.
23235 (make_decl_rtl): Likewise.
23236 (assemble_static_space): Likewise.
23237 (assemble_trampoline_template): Likewise.
23238 (output_constant_def): Likewise.
23239 (force_const_mem): Likewise.
23240 (mark_const_hash_entry): New.
23241 (mark_pool_sym_hash_table): New.
23242 (mark_varasm_state): Use it.
23243 (init_varasm_once): New.
23245 * expr.h (init_one_libfunc): Declare.
23246 * optabs.c (init_one_libfunc): New.
23247 (init_optabs): Use it.
23248 * config/gofast.h: Likewise.
23249 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
23250 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
23252 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
23254 * Makefile.in (cppexp.o): Depend on cpphash.h.
23255 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
23257 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
23258 * cpplib.c (do_define): Generalise to handle poisoned definitions,
23259 redefining poisoned identifiers, etc.
23260 (do_undef): Don't allow poisoned identifiers to be undefined.
23261 (do_pragma): Add #pragma poison.
23262 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
23264 * cccp.c: Add T_POISON node type.
23265 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
23267 (do_define): Generalise to handle poisoned definitions,
23268 redefining poisoned identifiers, etc.
23269 (do_undef): Don't allow poisoned identifiers to be undefined.
23270 (do_pragma): Add #pragma poison.
23271 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
23273 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
23274 * c-pragma.h: Add ps_poison state. We now always have generic
23277 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
23279 * ggc.h (ggc_alloc): New function.
23280 (ggc_mark): Likewise.
23281 * ggc-simple.c (ggc_any): New structure.
23282 (ggc_status): Add anys.
23283 (n_anys_collected): New variable.
23284 (ggc_alloc): Define.
23285 (ggc_mark): Likewise.
23286 (ggc_collect): Collect the anys.
23288 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23290 * c-decl.c (mark_binding_level): Make static to match prototype.
23292 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
23294 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
23296 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
23298 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
23299 will use into account. Expand the max width to 5.
23302 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
23304 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
23305 for the rtx length.
23307 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
23309 * alpha.md (call value patterns): Remove the result predicates.
23311 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
23313 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
23316 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23318 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
23319 changed from extern char *, to extern PTR. Also fix typo in
23320 NEED_DECLARATION_REALLOC test.
23322 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
23324 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23326 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
23327 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
23328 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
23329 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
23331 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
23333 * cccp.c (pcfinclude): Likewise.
23335 * global.c (allocno_compare): Likewise.
23337 * haifa-sched.c (rank_for_schedule): Likewise.
23339 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
23341 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
23343 * stupid.c (stupid_reg_compare): Likewise.
23345 * tree.c (_obstack_allocated_p): Likewise.
23347 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
23349 1999-09-08 Bruce Korb autogen@linuxbox.com
23351 * Makefile.in: Give the hapless gperf user a hint about
23352 why "gperf -F" fails.
23354 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
23356 * lists.c: Include ggc.h.
23358 (init_EXPR_INSN_LIST_cache): Install it.
23360 * ggc-simple.c (init_ggc): Absorb the old init.
23361 (ggc_push_context): Use xcalloc.
23362 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
23363 (ggc_collect): Add [rvts] tags to the collection stats.
23365 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
23367 * cccp.c (main): Fix handling of -include and -imacros options.
23369 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
23371 * cpplib.c (cpp_push_buffer): Fix order of arguments.
23373 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
23375 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
23378 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
23380 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
23381 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
23382 and SET_DEST. Update comment.
23384 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23386 * config/c4x/c4x.c: Include ggc.h.
23387 (c4x_add_gc_roots): New function.
23388 (c4x_override_options): Call c4x_add_gc_roots.
23390 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
23392 * defaults.h (TARGET_ESC): Move ...
23393 * system.h: ... here, where Linas had it in the first place. Silly me.
23395 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
23397 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
23398 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
23399 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
23400 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
23401 * defaults.h (TARGET_ESC): Add default.
23403 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
23405 * configure.in: add i370-*-openedition, i370-*-mvs and
23406 i370-*-linux targets
23408 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
23410 * dsp16xxx.c: Include ggc.h
23411 (override_options): Mark GC roots.
23412 * mn10200.c: Include ggc.h.
23413 (asm_file_start): Mark GC roots.
23414 * tahoe.c: Include ggc.h.
23415 (extensible_operand): Mark GC roots.
23417 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
23419 * README: Add section discussing status of ELF ABI.
23420 * i370.c: Fix misc spelling mistakes.
23421 (i370_label_scan): Updated notes, exception handling.
23422 (i370_function_prolog): Simplify ELF stack handling.
23423 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
23424 (STACK_GROWS_DOWNWARD): ELF stack grows down.
23425 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
23426 * i370.md: (movdi): Add notes.
23427 (floatsidf2): Use stack not rtca for scratch float area.
23428 (iorsi3): Correct operand constraints.
23429 * x-oe: Restore TAROUTOPTS which are used by pax.
23431 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
23433 * rs6000.c: Include ggc.h.
23434 (rs6000_add_gc_roots): New function.
23435 (override_options): Call it.
23437 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
23439 * alpha.h (alpha_compare): New.
23440 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
23441 * alpha.c: Likewise for the definitions.
23442 (alpha_emit_conditional_branch): Update for alpha_compare.
23443 (alpha_emit_conditional_move): Likewise.
23444 * alpha.md (cmpdf, cmpdi): Likewise.
23445 (setcc patterns): Likewise. Zero alpha_compare after use.
23446 (sne): Optimize (x != 0) into (0U < x).
23448 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
23450 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
23451 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
23452 (INIT_EXPANDERS): Remove.
23453 * alpha.c: Include ggc.h.
23454 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
23455 (alpha_init_machine_status, alpha_mark_machine_status): New.
23456 (override_options): Install them.
23457 (struct machine_function): Moved to alpha.h.
23458 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
23459 (alpha_init_expanders): Remove.
23460 (alpha_return_addr): Adjust to use current_function->machine.
23461 (alpha_ra_ever_killed): Likewise.
23462 (alpha_expand_epilogue): Likewise.
23463 * alpha.md (eh_epilogue): Likewise.
23465 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
23466 Melissa O'Neill <oneill@cs.sfu.ca>
23467 Geoffrey Keating <geoffk@cygnus.com>
23469 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
23470 call-used registers (call-saved registers must still be contiguous
23471 and end with r31, of course).
23473 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
23475 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
23476 (self_promoting_type_p): Delete.
23477 (self_promoting_args_p): Move ...
23478 * c-common.c: ... here.
23479 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
23480 (simple_type_promotes_to): New.
23481 * builtins.c (lang_type_promotes_to): New.
23482 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
23483 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
23484 * c-common.h: ... here.
23485 (self_promoting_args_p, simple_type_promotes_to): Declare.
23486 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
23487 (grokdeclarator): Likewise.
23488 * tree.h (lang_type_promotes_to): Declare.
23490 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
23492 Add some machine-dependent GC roots.
23493 * sparc.c: Include ggc.h.
23494 (sparc_add_gc_roots): New function.
23495 (mark_ultrasparc_pipeline_state): Likewise.
23496 (override_options): Call sparc_add_gc_roots.
23497 * pa.c: Include ggc.h.
23498 (pa_add_gc_roots): New function.
23499 (mark_deferred_plabels): Likewise.
23500 (override_options): Call pa_add_gc_roots.
23501 * mips.c: Include ggc.h.
23502 (mips_add_gc_roots): New function.
23503 (override_options): Use it.
23505 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23507 * cpperror.c (cpp_file_line_for_message): Constify a char*.
23509 * cppexp.c (parse_number, parse_charconst, cpp_lex,
23510 cpp_parse_expr): Add static prototypes.
23511 (parse_charconst): Don't cast away const-ness.
23512 (token): Constify a char*.
23514 * cppfiles.c (file_name_list, include_hash, find_include_file,
23515 finclude, initialize_input_buffer): Constify a char*.
23516 (file_cleanup, find_position): Add static prototypes.
23518 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
23519 collect_expansion): Add static prototypes.
23520 (cpp_install, create_definition, monthnames): Constify a char*.
23522 * cpphash.h (cpp_install): Likewise.
23524 * cppinit.c (known_suffixes, default_include,
23525 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
23526 (base_name, dump_special_to_buffer, initialize_dependency_output):
23527 Add static prototypes.
23529 * cpplib.c (my_strerror): Constify a char*.
23530 (null_underflow, null_cleanup, skip_comment, copy_comment,
23531 copy_rest_of_line, handle_directive, pass_thru_directive,
23532 get_directive_token, read_line_number, cpp_print_file_and_line,
23533 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
23534 v_cpp_warning_with_line, detect_if_not_defined,
23535 consider_directive_while_skipping): Add static prototypes.
23536 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
23537 cpp_pedwarn_with_file_and_line): Constify a char*.
23539 * cpplib.h (cpp_options, include_hash, progname, definition,
23540 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
23541 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
23542 find_include_file, deps_output, include_hash): Constify a char*.
23544 * cppmain.c (progname): Constify.
23545 (main): Add prototype. Use return, not exit.
23547 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
23548 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
23549 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
23550 check_protection): Add static prototype.
23552 (progname, recognized_macrom, recognized_extern): Constify a char*.
23553 (main): Add prototype.
23555 * gen-protos.c (progname): Constify a char*.
23557 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
23559 * emit-rtl.c (free_emit_status): Take decl as a parameter.
23560 (init_emit_once): Add more GC roots.
23561 * except.c (mark_func_eh_entry): New function.
23562 (mark_eh_node): Mark false_label and rethrow_label.
23563 (init_eh): Add more GC roots.
23564 * function.c (free_after_compilation): Take decl as a paramter.
23565 Call free_stmt_status.
23566 (mark_function_state): Don't assume x_parm_reg_stack_loc is
23568 * function.h (free_after_compilation): Change prototype.
23569 (free_varasm_status): Likewise.
23570 (free_emit_status): Likewise.
23571 (free_stmt_status): New function.
23572 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
23573 Remove, replacing with ...
23574 (ggc_status): New structure.
23575 (ggc_chain): New variable.
23576 (init_gcc): Define.
23577 (ggc_push_context): New function.
23578 (ggc_pop_context): Likewise.
23579 (ggc_alloc_rtx): Adjust for use of ggc_chain.
23580 (ggc_alloc_rtvec): Likewise.
23581 (ggc_alloc_tree): Likewise.
23582 (ggc_alloc_string): Likewise.
23583 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
23584 (ggc_mark_tree): Give language-dependent code a chance to mark
23586 (ggc_mark_tree_varray): Handle empty arrays.
23587 (ggc_collect): Adjust for use of ggc_chain. Clear
23588 bytes_alloced_since_last_gc.
23589 * ggc.h (ggc_pop_context): New function.
23590 (ggc_push_context): Likewise.
23591 * print-tree.c (print_node): Don't print obstacks when GC'ing.
23592 * stmt.c (free_stmt_status): New function.
23593 (init_stmt_for_function): Clear last_expr_value.
23594 * toplev.c (rest_of_compilation): Always call free_after_compilation.
23595 Conditionalize call to ggc_collect.
23596 (main): Call init_ggc.
23597 * tree.c (push_obstacks): Do the push, even when GC'ing.
23598 (push_obstacks_nochange): Likewise.
23599 (pop_obstacks): Liekwise.
23600 * varasm.c (free_varasm_status): Take decl as a parameter.
23602 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
23604 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
23605 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
23606 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
23607 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
23609 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
23611 * pa/x-pa-mpeix: New file for the MPE port.
23613 * pa/quadlib.asm: New file for long double support.
23615 * configure.in: Add hppa1.0-*-mpeix for MPE port.
23616 * configure: Rebuilt.
23618 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
23620 * final.c (shorten_branches): Fix last change.
23622 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
23624 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
23626 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
23628 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
23631 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23633 * c-aux-info.c (concat): Don't define.
23635 * cccp.c (my_strerror): Likewise. All callers changed to use
23637 (do_include): Call xstrdup, not xmalloc/strcpy.
23638 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
23639 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
23641 * collect2.c (my_strsignal): Likewise. All callers changed to use
23643 (locatelib): Call xstrdup, not xmalloc/strcpy.
23645 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
23647 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
23649 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
23651 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
23653 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
23655 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
23657 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
23659 (find_all_handler_type_matches): Likewise. Don't check return
23661 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
23662 xmalloc, not malloc.
23663 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
23665 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
23666 (init_spec): Call xcalloc, not xmalloc/bzero.
23667 (set_spec): Call xstrdup, not save_string.
23668 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
23669 (find_a_file): Call xstrdup, not xmalloc/strcpy.
23670 (process_command): Call xstrdup, not save_string.
23671 (main): Call xcalloc, not xmalloc/bzero.
23673 * gcov.c (xmalloc): Don't define.
23674 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
23675 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
23676 (output_data): Call xcalloc, not xmalloc/bzero.
23678 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
23680 * mips-tdump.c (xmalloc): Don't define.
23681 (print_symbol): Call xmalloc, not malloc.
23682 (read_tfile): Call xcalloc, not calloc.
23684 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
23685 Don't define. All callers of xfree/my_strsignal changed to use
23686 free/strsignal instead.
23687 (allocate_cluster): Call xcalloc, not calloc.
23689 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
23690 Fix memory leak, free allocated memory.
23692 * prefix.c (translate_name): Call xstrdup, not save_string.
23693 (update_path): Likewise.
23695 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
23697 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
23698 Don't define. Callers of xfree/savestring2 changed to use
23699 free/concat instead.
23701 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
23702 (init_elim_table): Likewise.
23704 * resource.c (init_resource_info): Likewise.
23706 * stupid.c (stupid_life_analysis): Likewise.
23708 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
23709 (open_dump_file): Call concat, not xmalloc/strcpy/...
23710 (clean_dump_file): Likewise.
23711 (compile_file): Call xstrdup, not xmalloc/strcpy.
23713 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
23715 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
23716 * v850.c (v850_va_arg): New.
23718 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23720 * haifa-sched.c: Tidy comments.
23722 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23724 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
23725 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
23726 $(out_object_file)): Depend on ggc.h.
23727 * c-common.c: Include "ggc.h".
23728 (combine_strings): If doing GC, use ggc_alloc_string.
23729 * c-decl.c: Include "ggc.h".
23730 (ggc_p): Define with value 0.
23731 (mark_binding_level): New function.
23732 (init_decl_processing): Add GC roots.
23733 (mark_c_function_context): New function.
23734 (lang_mark_false_label_stack): New function.
23735 (lang_mark_tree): New function.
23736 (lang_cleanup_tree): New function.
23737 * c-lang.c: Include "ggc.h".
23738 (lang_init): Call c_parse_init.
23739 * c-lex.c: Include "ggc.h".
23740 (check_linenum): If doing GC, don't copy filenames to permanent
23742 * c-parse.in: Include "ggc.h".
23743 (c_parse_init): New function.
23744 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
23745 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
23747 * except.c (mark_eh_state): Mark more state.
23748 * function.c (mark_function_state): Likewise.
23749 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
23750 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
23751 * toplev.c (mark_file_stack): New function.
23752 (compile_file): If doing GC, use ggc_alloc_string on input filename.
23753 (main): Add root for input_file_stack.
23755 * i386.c: Include "ggc.h".
23756 (ix86_mark_machine_status): New function.
23757 (override_options): Set mark_machine_status.
23759 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23761 * tree.c (copy_node): Copy node contents also if doing GC.
23763 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
23765 * collect2.c (scan_libraries): Fix double-thinko :-).
23767 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
23769 * collect2.c (scan_libraries): Fix thinko.
23771 * cse.c (delete_trivially_dead_insns): Do not skip the last
23772 insn if it is a real insn.
23774 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
23776 * Makefile.in (ggc-simple.o): Depend on hash.h.
23777 * ggc.h (ggc_add_tree_hash_table_root): Declare.
23778 (ggc_mark_tree_varray): Likewise.
23779 (ggc_mark_tree_hash_table): Likewise.
23780 * ggc-simple.c: Include hash.h.
23781 (ggc_mark_tree_hash_table_ptr): New function.
23782 (ggc_mark_tree_hash_table_entry): Likewise.
23783 (ggc_mark_tree_hash_table): Likewise.
23784 (ggc_add_tree_hash_table_root): Likewise.
23785 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
23786 rtx, when defining fields.
23788 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
23790 * profile.c (output_func_start_profiler): Remove apparently
23791 nonsensical call to start_sequence.
23793 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
23795 * clipper/clipper.c (clipper_va_start): Fix typos.
23797 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
23798 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
23799 (spur_va_arg): New stub.
23801 * configure.in: Comment out pyramid.
23803 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
23805 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
23806 don't conflict with the bits that win32, cygwin, and dgux
23809 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
23810 Bernd Schmidt <bernds@cygnus.co.uk>
23812 * integrate.c (function_cannot_inline_p): Do not inline
23813 functions with forced labels.
23815 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
23816 Bernd Schmidt <bernds@cygnus.co.uk>
23817 Mark Mitchell <mark@codesourcery.com>
23819 * Makefile.in (ggc-simple.o): Depend on varray.h.
23820 (rtl.o): Depend on ggc.h.
23821 (genattrtab.o): Depend on ggc.h.
23822 (print-tree.o): Likewise.
23823 (fold-const.o): Likewise.
23824 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
23825 (make_insn_raw): Don't cache insns when GC'ing.
23826 (emit_insn_before): Likewise.
23827 (emit_insn_after): Likewise.
23828 (emit_insn): Likewise.
23829 (start_sequence): Use xmalloc to allocate the sequence_stack.
23830 (end_sequence): Add free to free it.
23831 (gen_sequence): Don't cache insns when GC'ing.
23832 (clear_emit_caches): Don't use sequence_element_free_list.
23833 (init_emit): Use xcalloc, not xmalloc+bzero.
23834 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
23835 * function.c (pop_function_context_from): Use free to free the
23836 fixup_var_refs_queue.
23837 (put_reg_into_stack): Allocate it with xmalloc.
23838 * genattrtab.c: Include ggc.h.
23839 (operate_exp): Don't use obstack_free when GC'ing.
23840 (simplify_cond): Likewise.
23841 (simplify_text_exp): Likewise.
23842 (optimize_attrs): Likewise.
23843 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
23845 (gencode): Generate a #include for ggc.h.
23846 * ggc-callbacks.c (ggc_p): Define it to zero.
23847 * ggc-none.c (ggc_p): Likewise.
23848 * ggc-simple.c: Include varray.h.
23849 (ggc_mark_tree_varray): New function.
23850 (ggc_add_tree_varray_root): Likewise.
23851 (ggc_mark_tree_varray_ptr): Likewise.
23852 * ggc.h (ggc_p): Declare.
23853 (varray_head_tag): Likewise.
23854 (ggc_add_tree_varray_root): Declare.
23855 * print-tree.c (print_node): Don't check for TREE_PERMANENT
23856 inconsistencies when GC'ing.
23857 * rtl.c: Include ggc.h.
23858 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
23859 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
23860 (rtx_free): Don't call obstack_free when GC'ing.
23861 * toplev.c (rest_of_compilation): Call ggc_collect after every
23863 * tree.c (push_obstacks): Do nothing, if GC'ing.
23864 (pop_obstacks_nochange): Likewise.
23865 (pop_obstacks): Likewise.
23866 (make_node): Use ggc_alloc_tree when GC'ing.
23867 (copy_node): Likewise.
23868 (get_identifier): Use ggc_alloc_string when GC'ing.
23869 (build_string): Likewise.
23870 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
23871 (tree_cons): Likewise.
23872 (build1): Likewise.
23873 (type_hash_canon): Don't call obstack_free when GC'ing.
23875 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
23877 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
23878 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
23880 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
23881 Bernd Schmidt <bernds@cygnus.co.uk>
23882 Mark Mitchell <mark@codesourcery.com>
23884 * Makefile.in (stor-layout.o): Depend on ggc.h.
23885 (expr.o): Depend on ggc.h.
23886 (profile.o): Depend on ggc.h.
23887 (stor-layout.o): Depend on ggc.h.
23888 * emit-rtl.c (init_emit_once): Add gc roots.
23889 * expr.c: Include ggc.h.
23890 (emit_block_move): Add gc roots.
23891 (clear_storage): Likewise.
23892 * expr.h (init_stor_layout_once): New function.
23893 * profile.c: Include ggc.h.
23894 (init_arc_profiler): profiler_label is a root.
23895 * scan.c (make_sstring_space): Trust xrealloc to function
23896 correctly with first parameter NULL.
23897 * stor-layout.c: Include ggc.h.
23898 (set_sizetype): Add gc root.
23899 (init_stor_layout_once): New function.
23900 * toplev.c (compile_file): Call it.
23902 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
23903 Bernd Schmidt <bernds@cygnus.co.uk>
23904 Mark Mitchell <mark@codesourcery.com>
23906 * Makefile.in (tree.o): Depend on ggc.h.
23907 (varasm.o): Likewise.
23908 (function.o): Likewise.
23909 (stmt.o): Likewise.
23910 (except.o): Likewise.
23911 (optabs.o): Likewise.
23912 (emit-rtl.o): Likewise.
23913 * emit-rtl.c: Include ggc.h.
23914 (sequence_element_free_list): Remove, and all references.
23915 (mark_sequence): New functions.
23916 (mark_emit_state): New function.
23917 * except.c: Include ggc.h.
23918 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
23919 (mark_tree_label_node): New functions.
23920 (mark_eh_state): New function.
23921 * function.c: Include ggc.h.
23922 (mark_temp_slot, mark_function_chain): New functions.
23923 (mark_function_state): New function.
23924 (init_function_once): New function.
23925 * function.h (init_function_once): New function.
23926 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
23927 * ggc.h (label_node): Declare.
23928 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
23929 (lang_mark_false_label_stack): New function.
23930 (mark_temp_slot): Remove declaration.
23931 (mark_function_chain): Likewise.
23932 (mark_eh_state): Adjust prototype.
23933 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
23935 * optabs.c: Include ggc.h.
23936 (mark_optab): New function.
23937 (init_optabs): Add gc roots.
23938 * stmt.c: Include ggc.h.
23939 (mark_cond_nesting, mark_loop_nesting): New functions.
23940 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
23941 (mark_stmt_state): New function.
23942 * toplev.c (compile_file): Call init_function_once.
23943 * tree.c: Include ggc.h.
23944 (type_hash): Move declaration earlier in file.
23945 (TYPE_HASH_SIZE, type_hash_table): Likewise.
23946 (init_obstacks): Add gc roots.
23947 (mark_type_hash): New function.
23948 * varasm.c: Include ggc.h.
23949 (mark_pool_constant): New function.
23950 (mark_varasm_state): New function.
23952 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23954 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
23956 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23958 * c-decl.c (struct language_function): Renamed from struct c_function.
23960 (c_function_chain): Delete.
23961 (push_c_function_context): New arg F. Don't warn about nested
23962 functions here. Fill LANGUAGE elt of F. Delete code to update
23963 c_function_chain. Don't call push_function_context.
23964 (pop_c_function_context): New arg F. Restore from there instead of
23965 from c_function_chain. Don't call pop_function_context. Clear out
23966 LANGUAGE field of F when done.
23967 * c-lang.c: Include "function.h"
23968 (lang_init): Initialize save_lang_status and restore_lang_status.
23969 * c-parse.in (nested_function, nested_function_notype): Warn about
23970 nested functions. Call push_function_context/pop_function_context
23971 instead of the _c_ variants.
23972 * c-tree.h (push_c_function_context, pop_c_function_context): Update
23974 * Makefile.in (c-lang.o): Update dependencies.
23976 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
23977 regno_pointer_flag, regno_pointer_align.
23978 (gen_reg_rtx): Use xrealloc to enlarge them.
23979 (free_emit_status): New function.
23980 * function.c (mark_machine_status, mark_lang_status): New variables.
23981 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
23982 in some bits from assign_stack_local. All callers changed to use new
23984 (assign_stack_local): Just call assign_stack_local_1.
23985 (free_after_compilation): New function.
23986 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
23987 (trampoline_address): Likewise.
23988 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
23989 (prepare_function_start): Explicitly clear some more variables.
23990 * function.h (struct function): New elt can_garbage_collect.
23991 (mark_machine_status, mark_lang_status): Declare variables.
23992 (free_after_compilation, free_emit_status, free_varasm_status,
23993 init_varasm_status): Declare functions.
23994 * toplev.c (rest_of_compilation): Call free_after_compilation when
23995 done with the current function.
23996 * varasm.c (free_varasm_status): New function.
23998 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
24000 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
24001 (EXPAND_BUILTIN_VA_ARG): Define.
24002 * sparc.c (sparc_va_start): New.
24003 (sparc_va_arg): New.
24005 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
24007 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
24009 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
24011 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
24013 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
24015 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
24016 (OBJS): Add $(GGC).
24017 (ggc-callbacks.o): New target.
24018 * ggc-callbacks.c: New file.
24020 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24022 * expr.h: Collapse individual optab and libfunc vars to arrays.
24023 (optab_index, libfunc_index): New enumerations.
24024 (optab_table, libfunc_table): New arrays.
24025 Add accessor macros for both.
24027 * optabs.c (optab_table, libfunc_table): New.
24028 Delete declarations for individual optab and libfunc vars.
24030 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
24032 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
24034 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
24036 * Makefile.in (GGC, GGC_LIB): New.
24037 (HOST_RTL): Include ggc-none.o.
24038 (ggc-simple.o): New target.
24039 (ggc-none.o): Likewise.
24040 * tree.h (tree_common): Add gc_mark.
24041 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
24042 (struct rtvec_def): Add gc_mark.
24043 * emit-rtl.c (global_rtl): Update static initializers to contain
24044 enough initializers.
24045 * ggc.h, ggc-none.c, ggc-simple.c: New files.
24046 * toplev.c (gc_time): New variable.
24047 (all_time): New variable.
24048 (compile_file): Print gc time.
24049 (print_time): Calculate percentage of the whole.
24051 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24053 Change obstack memory management and varasm constant pool handling so
24054 that nested functions are treated like any other functions.
24055 * function.c (init_machine_status): New variable.
24056 (push_function_context_to): Set contains_functions for the outer
24057 function. Don't call save_varasm_status.
24058 (pop_function_context_from): Don't call restore_varasm_status. Don't
24059 set current_function_contains_functions.
24060 (prepare_function_start): Call init_varasm_status rather than
24061 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
24063 * function.h (struct function) Add field varasm. Delete fields
24064 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
24065 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
24066 (init_machine_status): Declare.
24067 (save_varasm_status, restore_varasm_status): Delete declarations.
24068 (save_tree_status, restore_tree_status): Delete last argument.
24069 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
24070 code. All callers changed.
24071 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
24072 save_constants_in_decl_trees, restore_constants, save_constants,
24073 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
24075 (inlining): New variable.
24076 (reg_map, label_map, insn_map, orig_asm_operands_vector,
24077 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
24079 (save_for_inline_nocopy): Don't save constants.
24080 Don't set inl_emit field in current_function.
24081 (expand_inline_function): Use emit field, not inl_emit, of the inlined
24082 function. Set new variable inlining before
24083 calling copy_rtx_and_substitute.
24084 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
24085 constant pool references if inlining is nonzero.
24086 Delete ADDRESS and (most of the) CONST cases.
24087 (output_inline_function): Save and restore current_function/
24088 current_function_decl. Delete restore_constants code. Don't call
24089 init_const_rtx_hash_table.
24090 * output.h (init_const_rtx_hash_table): Don't declare.
24091 * rtl.h (struct function): Declare.
24092 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
24093 * toplev.c (rest_of_compilation): Don't treat nested functions or
24094 functions containing them specially. Delete all code to deal with
24095 save_for_inline_copying.
24096 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
24097 inline_obstacks): Delete variables.
24098 (save_tree_status): Lose arg CONTEXT. All callers changed.
24099 Simply allocate a new function_maybepermanent_obstack for the new
24100 function, delete all the special cases.
24101 Don't save inline_obstacks.
24102 (restore_tree_status): Lose arg CONTEXT. All callers changed.
24103 Delete special handling for function_maybepermanent_obstack; simply
24105 Don't restore inline_obstacks.
24106 (permanent_allocation): Delete code that frees inline_obstacks.
24107 (print_inline_obstack_statistics): Delete function.
24108 (dump_tree_statistics): Don't call it.
24109 * varasm.c (struct varasm_status): New.
24110 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
24111 last_pool, pool_offset, const_double_chain): Delete global
24112 variables, replace with accessor macros.
24113 (immed_double_const): Don't walk const_double_chain outside a
24114 function, but don't treat nested functions specially anymore.
24115 (immed_real_const_1): Likewise.
24116 (clear_const_double_mem): Don't treat nested functions specially.
24117 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
24118 (save_varasm_status, restore_varasm_status): Delete functions.
24119 (init_varasm_status): New function.
24120 (force_const_mem): Don't treat nested functions specially.
24121 (find_pool_constant): Accept new arg F, search for constants in
24122 that function's pool rather than the current one. All callers
24124 (get_pool_constant_for_function, get_pool_mode_for_function): New
24127 * i386.c (init_386_machine_status): New function, mostly from
24128 clear_386_stack_locals.
24129 (struct machine_functions): Rename element names to avoid name
24131 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
24132 macros, replacing global variables.
24133 (clear_386_stack_locals, save_386_machine_status,
24134 restore_386_machine_status): Delete functions.
24135 (override_options): Initialize init_machine_status.
24136 * i386.h (INIT_EXPANDERS): Delete macro.
24137 (save_386_machine_status, restore_386_machine_status,
24138 clear_386_stack_locals): Delete declarations.
24140 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
24142 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
24143 (doloop_begin): Simplify pattern and use emit_jump_insn.
24144 (doloop_end): Simplify pattern, switch operand order,
24145 and use emit_jump_insn.
24147 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
24149 * function.h (struct function): Add new element LANGUAGE.
24150 (save_lang_status): Declare new variable.
24151 (restore_lang_status): Likewise.
24152 * function.c (save_lang_status): Define.
24153 (restore_lang_status): Likewise.
24154 (push_function_context_to): Call language-specific save function.
24155 (pop_function_context_from): Call language-specific restore function.
24157 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
24159 * i386.md (movsf_1): Check REG_P before use of REGNO.
24160 (movdf_1): Likewise.
24161 (movxf_1): Likewise.
24162 (extendsfdf2): Likewise.
24163 (extendsfxf2): Likewise.
24164 (extenddfxf2): Likewise.
24166 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
24168 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
24169 constants into memory.
24170 (c4x_shiftable_constant): New function.
24171 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
24172 (c4x_shiftable_constant): Declare.
24173 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
24174 ashlqi3_noclobber): Add new patterns and associated splitters.
24176 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
24178 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
24179 * dwarf2out.c (dwarf2out_frame_init): Likewise.
24180 * final.c (shorten_branches): Likewise.
24181 * global.c (global_alloc): Likewise.
24182 * haifa-sched.c (build_control_flow): Likewise.
24183 * stmt.c (check_for_full_enumeration_handling): Likewise.
24184 (estimate_case_costs): Likewise.
24186 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
24188 * rtl.h (RTL_CHECKC2): Fix typo in last change.
24190 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
24192 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
24193 (recompute_reg_usage): Likewise.
24194 * rtlanal.c (find_regno_fusage): Likewise.
24196 * rtl.c (rtl_check_failed_code1): New function.
24197 (rtl_check_failed_code2): New.
24198 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
24199 (RTL_CHECKC1, RTL_CHECKC2): New.
24200 (XC*): New accessor macros.
24201 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
24202 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
24203 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
24204 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
24205 (TRAP_*, RANGE_INFO_*): Likewise.
24207 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24209 * Makefile.in (tlink.o): Don't depend on toplev.h.
24211 * collect2.c (c_file, o_file, export_file, import_file, ldout,
24212 output_file, nm_file_name, ldd_file_name, strip_file_name,
24213 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
24214 add_prefix, prefix_from_env, prefix_from_string, do_wait,
24215 fork_execute, maybe_unlink, add_to_list,
24216 extract_init_priority, write_list, dump_list,
24217 dump_prefix_list, write_list_with_asm, write_c_file,
24218 write_c_file_stat, write_c_file_glob, scan_prog_file,
24219 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
24220 ignore_library, extract_string, notice, dump_file, target_machine,
24221 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
24222 read_file, print_load_command): Constify a char*.
24223 (fdopen, error, fatal, fatal_perror): Don't prototype.
24224 (my_strerror): Remove. All callers use xstrerror instead.
24225 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
24226 (main): Add prototype. Constify lots of char* ptrs. Change calls
24227 to xcalloc/strcpy/strcat/... to one call to concat.
24228 (main, scan_prog_file, scan_libraries): Use an intermediate
24229 `const char **' to build an argv array.
24230 (mapfile, libselect, libcompare, locatelib): Add prototypes.
24232 * collect2.h (collect_execute, collect_wait, dump_file,
24233 file_exists): Constify a char*.
24234 (ldout, c_file_name, temporary_obstack, permanent_obstack,
24235 temporary_firstobj, vflag, debug): Add extern declarations.
24236 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
24238 * tlink.c: Don't include toplev.h.
24239 (vflag, debug, ldout, c_file_name, temporary_obstack,
24240 permanent_obstack, temporary_firstobj): Don't declare.
24241 (tlink_execute, frob_extension, symbol_hash_lookup,
24242 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
24243 recompile_files, read_repo_files, demangle_new_symbols,
24244 scan_linker_output): Constify a char*.
24245 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
24246 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
24248 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
24250 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
24251 (relative) rather than jsr (absolute) subroutine call insns.
24252 * config/m68k/m68k-coff.h: Ditto.
24254 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
24256 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
24257 now rework these too.
24258 (arm_reorg): If an insn can't reach the end of the current pool,
24259 ensure that we emit that pool before the insn.
24261 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
24263 * tlink.c (scan_linker_output): Skip the initial underscore in
24264 a mangled name if appropriate.
24266 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24268 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
24269 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
24270 error_with_ivar, gen_declarator, create_builtin_decl,
24271 my_build_string, generate_descriptor_table, generate_ivars_list,
24272 generate_dispatch_table, check_protocols, TAG_GETCLASS,
24273 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
24274 dump_base_name, lang_decode_option, build_encode_expr,
24275 start_class, finish_class, encode_pointer, really_start_method,
24276 gen_declaration, dump_interface, handle_class_ref, handle_impent):
24278 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
24279 Add static prototypes.
24280 (build_objc_string_decl, build_selector_reference_decl,
24281 encode_bitfield, build_class_reference_decl): Remove unused
24282 parameter, all callers changed.
24283 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
24284 (objc_printable_name): Likewise. Change second parameter to type int.
24285 (init_objc): Use memcpy, not bcopy, to avoid casts.
24287 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
24289 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
24290 reg notes on a deleted insn.
24291 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
24293 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
24295 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
24297 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24299 * stmt.c (expand_asm_operands): Fix index into inout_mode when
24302 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
24304 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
24305 * tm.texi (MD_ASM_CLOBBERS): Document it.
24307 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
24309 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
24310 * except.c (expand_rethrow): Remove unused variable.
24311 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
24312 * flow.c (replace_insns): Likewise.
24313 (create_edge_list, verify_edge_list): Likewise.
24314 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
24316 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
24317 is special code to run.
24318 (main): Don't define operands to emit_operand.
24319 * genrecog.c (main): Don't emit an empty peephole2_insn function.
24321 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
24323 * alpha/alpha.h (normal_memory_operand): Declare.
24324 (reg_no_subreg_operand): Declare.
24325 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
24327 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
24329 * c-parse.in (compstmt_primary_start): New, broken out of first
24330 part of compstmt handling in primary.
24331 (primary): Use it. Add an error clause.
24332 (compstmt_nostart): Renamed from compstmt; remove all
24333 initial invocations of compstmt_start.
24336 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
24338 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
24341 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
24343 * combine.c (simplify_shift_const): Remove extra semicolon.
24344 * dwarf2out.c (remove_AT): Likewise.
24345 * expmed.c (expand_mult): Likewise.
24346 * gcov.c (create_program_flow_graph): Likewise.
24347 * reorg.c (mostly_true_jump): Likewise.
24349 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
24351 * fold-const.c (fold_range_test): Do not try to fold the range
24352 test if the rhs or lhs has side effects.
24354 * combine.c (simplify_rtx): Recognize another case of a synthesized
24357 * varasm.c (mark_constant_pool): When marking indirect references,
24358 only look at SYMBOL_REFs.
24360 * except.c (expand_fixup_region_end): Do not peek at
24361 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
24363 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
24365 * flags.h: New variables align_loops, align_loops_log,
24366 align_jumps, align_jumps_log, align_labels, align_labels_log,
24367 align_functions, align_functions_log.
24368 * toplev.c: Define them.
24369 (f_options): Handle -falign-* when they have no argument.
24370 (main): Add logic to set variables for -falign-functions,
24371 -falign-jumps, -falign-labels, -falign-loops.
24372 Make it -fsched-verbose=<n> and -finline-limit=<n>.
24373 (display_help): Change help to match options.
24374 * final.c (LABEL_ALIGN): Default to align_labels_log.
24375 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
24376 (LOOP_ALIGN): Default to align_loops_log.
24377 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
24378 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
24379 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
24380 * varasm.c (assemble_start_function): Handle align_functions.
24382 * config/sparc/sparc.h: Don't declare sparc_align_*.
24383 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
24384 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
24386 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
24388 * config/sparc/sparc.c: Delete sparc_align_loops,
24389 sparc_align_jumps, sparc_align_funcs and the corresponding string
24391 (sparc_override_options): Default align_functions on ultrasparc.
24392 Delete -malign-* handling.
24394 * config/mips/mips.c (override_options): On 64-bit targets,
24395 try to align code to 64-bit boundaries.
24396 (print_operand): New substitution, %~,
24397 which aligns labels to align_labels_log.
24398 * config/mips/mips.md (div_trap_normal): Use %~.
24399 (div_trap_mips16): Likewise.
24401 (absdi2): Likewise.
24402 (ffssi2): Likewise.
24403 (ffsdi2): Likewise.
24404 (ashldi3_internal): Likewise.
24405 (ashrdi3_internal): Likewise.
24406 (lshrdi3_internal): Likewise.
24407 (casesi_internal): Likewise.
24409 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
24411 Merge new ia32 backend from the branch!
24413 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
24414 See ChangeLog.P2 on new_ia32_branch for details.
24416 * rtl.h (stack_regs_mentioned_p): Delete prototype.
24417 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
24418 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
24419 * i386/gas.h (ASM_FILE_START): Define.
24420 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
24421 for name change of ix86_valid_decl_attribute_p.
24422 (i386_pe_valid_type_attribute_p): Similarly.
24424 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
24426 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
24427 to step through CC modes.
24429 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24431 * regmove.c (fixup_match_1): Don't move INSN in front of P if
24432 it would end up in the shadow of a live flags regsiter.
24434 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24436 * reload1.c: Fix many indentation problems.
24437 * reload.c: Likewise.
24439 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
24441 * alias.c (non_local_reference_p): Constify fmt.
24443 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
24445 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
24447 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
24449 * cse.c (delete_trivially_dead_insns): Do not delete stores to
24450 the internal_arg_pointer.
24452 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
24454 Merge peephole2 from new_ia32_branch:
24455 * Makefile.in (STAGESTUFF): Add *.peephole2.
24456 (mostlyclean): Likewise.
24457 (recog.o): Depend on resource.h.
24459 * final.c (peephole): Conditionalize decl on HAVE_peephole.
24460 (final_scan_insn): Likewise for the invocation of peephole.
24461 * genconfig.c (main): Look for peephole and peephole2 patterns.
24462 Emit HAVE_peephole* accordingly.
24463 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
24464 * flags.h (flag_peephole2): Declare.
24465 * toplev.c: New pass peephole2. New flag -fpeephole2.
24467 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
24468 * gencodes.c (main): Likewise.
24469 * genextract.c (main): Likewise.
24470 * genoutput.c (main): Likewise.
24471 * genemit.c (max_operand_1): Look for the max scratch operand.
24472 (gen_rtx_scratch): New.
24473 (gen_exp): Use it, and pass on new arg subroutine_type.
24474 (gen_expand): Take max scratch into account.
24475 (gen_split): Emit peephole2 functions.
24476 (output_peephole2_scratch): New.
24477 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
24478 * genrecog.c (routine_type): Add PEEPHOLE2.
24480 (make_insn_sequence): Match outer parallel for peep2. Discard
24481 top level scratches and dups.
24482 (add_to_sequence): New args insn_type and top. Update all callers.
24483 Handle toplevel peep2 matching insns.
24484 (write_subroutine): Handle peep2.
24485 (write_tree_1): Likewise.
24486 (write_tree): Likewise.
24488 (change_state): New arg afterward. Update all callers.
24489 Handle matching separate insns.
24490 * recog.c (recog_next_insn): New.
24491 (peephole2_optimize): New.
24492 * rtl.def (DEFINE_PEEPHOLE2): New.
24493 * resource.c (find_free_register): New argument last_insn. Use it
24494 to find a register available through the entire span.
24495 * resource.h (find_free_register): Update prototype.
24497 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
24499 * i386.c (output_strlen_unroll): Don't write xops[7]
24500 label if it wasn't set.
24502 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
24504 * cpplib.c (struct directive): Const-ify name pointer and
24505 function pointer prototype.
24506 (validate_else, do_define, do_line, do_include, do_undef,
24507 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
24508 do_elif, do_endif, do_sccs, do_assert, do_unassert,
24509 do_warning): Const-ify second arg.
24510 (directive_table): Mark const. Reorder entries by frequency
24511 of usage, record statistics.
24513 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
24515 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
24516 bounds- check RTL accesses if --enable-checking.
24517 (RTVEC_ELT): Bounds check if --enable-checking.
24518 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
24519 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
24520 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
24522 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
24523 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
24525 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
24526 (NOTE_SOURCE_FILE): Use X0STR.
24527 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
24528 MEM_ALIAS_SET): Use X0INT.
24529 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
24530 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
24532 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
24533 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
24534 (rtl_check_failed_bounds, rtl_check_failed_type1,
24535 rtl_check_failed_type2, rtvec_check_failed_bounds): New
24537 (fancy_abort): Fix comment.
24539 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
24540 (cse_insn): Decrement LABEL_NUSES for jump target before
24541 deleting jump insn.
24542 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
24543 * final.c (alter_subreg): Compute regno before changing x to
24544 REG; set REGNO(x) after changing it.
24545 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
24546 notes containing CONST_INTs.
24547 (delete_eh_regions): Use NOTE_EH_HANDLER.
24548 * function.c (put_reg_into_stack): Make reg a MEM before
24550 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
24552 (gen_mem_addressof): Make reg a MEM before initializing it.
24553 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
24555 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
24556 deleting an insn, not after.
24557 (block_alloc): Only look at PATTERN(insn) if we have to, and
24558 only if it's format class 'i'.
24559 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
24560 CONST_INT before using its INTVAL.
24561 * print-rtl.c (print_rtx): Use X0STR.
24562 * regmove.c (fixup_match_1): Don't look at PATTERN of
24563 non-class-'i' insn chain elements.
24564 * reload.c (loc_mentioned_in_p): Take address of
24565 in->fld[1].rtx directly.
24566 * reload1.c (reload): Change reg to a MEM before initializing
24568 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
24570 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
24572 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
24574 * config/mips/mips.c (machine_dependent_reorg): Force a
24575 barrier to output the local constant pool if a barrier hasn't
24576 been found at a natural point in the instruction stream.
24578 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24580 * c-parse.in (language_string): Constify.
24582 * dwarf2out.c (language_string): Remove declaration.
24584 * dwarfout.c (language_string): Likewise.
24586 * toplev.c (language_string, init_parse, finish_parse): Likewise.
24588 * tree.h (language_string, init_parse, finish_parse): Declare.
24590 * i386/sun386.h (language_string): Remove declaration.
24592 * mips.h (language_string): Likewise.
24594 * nextstep.h (language_string): Likewise.
24596 * nextstep21.h (language_string): Likewise.
24598 * rs6000.c (language_string): Likewise.
24600 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24602 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
24603 (getpwd.o): Remove target.
24605 * getpwd.c: Delete file. Its in libiberty now.
24607 * dbxout.c (getpwd): Don't prototype.
24608 * dwarf2out.c (getpwd): Likewise
24609 * dwarfout.c (getpwd): Likewise
24610 * final.c (getpwd): Likewise.
24611 * protoize.c (getpwd): Likewise.
24613 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24615 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
24617 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
24619 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
24620 mark_set_resources.
24622 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
24624 * fixinc/Makefile.in (subdir): New.
24625 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
24628 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
24630 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
24631 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
24634 * invoke.texi: Fix typo.
24636 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
24637 changed. Handle autoincrement addressing modes.
24639 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
24640 just like we would the virtual incoming args register when
24643 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
24645 * rs6000.h (ASM_FILE_START): Specify complete filename, including
24646 path, in .file directive.
24648 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
24650 * gcc.texi (External Bugs): Remove obsolete note about Perl on
24653 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
24655 * stdbool.h: Make the typedef name _Bool, with bool a #defined
24658 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24660 * tree.c (tree_code_name): Constify a char*.
24662 * tree.h (tree_code_name, decl_printable_name): Likewise.
24664 * function.h (struct function): Likewise.
24666 * toplev.c (decl_name, decl_printable_name): Likewise.
24668 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
24670 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
24671 (init_objc): Remove function pointer cast.
24673 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
24675 * pa.md (interspace_jump): New pattern.
24676 (builtin_longjmp): New expander.
24678 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
24680 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
24681 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
24682 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
24684 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
24686 * jump.c (delete_prior_computation): Also check calls
24687 to constant functions. Don't bother checking for a
24688 REG_UNUSED note before adding it.
24689 (delete_computation): Handle multi-word hard registers
24690 when synthesizing missing REG_DEAD notes for a register
24691 which is both set and used by an insn.
24693 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
24695 * loop.c (this_loop_info): New variable.
24696 (loop_has_call, loop_has_volatile, loop_has_tablejump,
24697 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
24699 (prescan_loop, strength_reduce): New argument loop_info. All callers
24701 (scan_loop): New variable loop_info, initialise to address of
24703 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
24704 Delete variable loop_has_multiple_exit targets and replace with
24705 field in this_loop_info.
24706 (find_and_verify_loops): Rename this_loop to this_loop_num.
24707 (strength_reduce): Delete loop_iteration_info. Replace variable
24708 loop_info with function argument of same name.
24709 (insert_bct): Rework test for loop being completely unrolled.
24711 * loop.h (struct loop_info): New fields num, loops_enclosed,
24712 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
24713 has_indirect_jump, and cont. Redefine use of unroll_number.
24714 (loop_unroll_number): Delete.
24716 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
24717 field of loop_info.
24718 (loop_iterations): Delete variable vtop and instead use
24719 loop_info->vtop computed in prescan_loop.
24721 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
24723 * fix-header.c (main): Do not pass a null pointer to strcmp.
24725 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
24727 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
24729 * configure: Rebuilt.
24731 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
24733 * jump.c (jump_optimize_1): Do not delete assignments to
24734 internal_arg_pointer.
24735 * cse.c (delete_trivially_dead_insns): Always consider a set of
24736 the internal_arg_pointer live.
24738 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
24740 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
24741 (update_life_info) [REG_WAS_0]: Search the original insns rather
24742 than the new insns for the note. Fix typos finding note_dest.
24743 If no dest found, discard the note rather than abort.
24744 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
24745 (replace_insns): Remove the old insn list after update_life_info
24748 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
24750 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
24751 sched_analyze_insn.
24752 (sched_analyze_1): Let add_dependence care for not adding dups.
24753 (sched_analyze_2): Likewise.
24754 (add_branch_dependences): Likewise.
24756 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
24758 * i386/winnt.c (export_list): New type.
24759 (exports_head): Rename to
24760 (export_head): this.
24761 (i386_pe_record_exported_symbol): Add is_data flag.
24762 (i386_pe_asm_file_end): Emit directive for exported variables.
24763 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
24765 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
24766 (ASM_DECLARE_OBJECT_NAME): Likewise.
24767 (ASM_DECLARE_FUNCTION_NAME): Likewise.
24768 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
24770 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
24772 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
24774 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
24777 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
24779 * config/openbsd.h: Define SET_ASM_OP.
24780 * tm.texi: cross-reference SET_ASM_OP in the index.
24782 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
24784 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
24785 for a CONST_DOUBLE, at compile time. Initialize rtx_length
24786 and class_narrowest_mode at compile time. Kill init_rtl.
24787 Mark rtx_length, mode_class, mode_size, mode_unit_size,
24788 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
24789 rtx_format as const. Kill all references to EXTRA_CC_MODES or
24791 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
24793 * rtl.h: Declare rtx_length and rtx_format as const.
24794 * machmode.def: Define CC(). Use CC() to define CCmode. If
24795 EXTRA_CC_MODES is defined, expand it here.
24796 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
24797 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
24798 const. Kill all references to EXTRA_CC_MODES.
24800 * toplev.c: Don't prototype or call init_rtl.
24801 * optabs.c: Don't call init_mov_optab.
24802 * genemit.c: Don't generate init_mov_optab. Don't call
24804 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
24806 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
24807 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
24808 genrecog.c: Don't call init_rtl.
24810 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
24811 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
24812 definition of EXTRA_CC_MODES.
24814 * md.texi: Kill ref to EXTRA_CC_NAMES.
24815 * tm.texi: Document new way to define EXTRA_CC_MODES.
24817 * genrecog.c: Do not look up the name of a define_split.
24818 (Unrelated bugfix.)
24820 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
24822 * config/v850/v850.md: Fix typo introduced by previous delta.
24824 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24826 * gcc.c (fatal): Make definition static to match prototype.
24828 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24830 * combine.c (get_last_value): Don't look for earlier sets if the last
24831 known set is somewhere in between the insns being combined.
24833 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
24835 * configure.in: Don't use shell ! to negate exit codes
24836 * configure: Regenerate
24838 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
24840 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
24841 the fact that ALIGN is measured in bits, not bytes.
24843 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
24845 * errors.c: New file; defines functions error, warning, and
24846 fatal, variables have_error and progname.
24847 * errors.h: New file; prototypes and decls for stuff in errors.c.
24849 * Makefile: Add rules to build errors.o and
24850 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
24851 genopinit, genrecog, genextract, genpeep, genattr, and
24852 genoutput with errors.o. Add errors.h to deps of genconfig.o,
24853 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
24854 genpeep.o, genattr.o, and genoutput.o.
24856 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
24857 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
24858 define or prototype fatal. Set progname at beginning of main.
24859 * genoutput.c: Likewise, and don't define or prototype error
24862 * c-typeck.c (c_expand_start_case): Return immediately if exp
24864 * fold-const.c (operand_equal_p): Return immediately if arg1
24865 or arg0 are ERROR_MARKs.
24866 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
24867 fields of type ERROR_MARK when calculating if the record can
24870 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
24871 with much help from Jeffrey A Law and Richard Henderson
24873 * i386.md: In the 6 insns which call output_fix_trunc,
24874 earlyclobber operands[0].
24876 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
24878 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
24879 creating new registers.
24881 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
24883 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
24884 i386_reg_alloc_order, i386_regparm_string,
24885 i386_align_loops_string, i386_align_jumps_string,
24886 i386_align_funcs_string, i386_preferred_stack_boundary_string,
24887 and i386_branch_cost_string as type "const char *".
24888 * i386.c: Define all above strings as type "const char *".
24890 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
24892 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
24893 when emitting alignment padding. Emit padding byte of 0 instead of 4.
24895 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
24897 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
24898 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
24900 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
24902 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
24903 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
24904 (dwarf2out_line, dwarf2out_finish): Likewise.
24905 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
24907 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
24909 * tree.c (lang_unsave_expr_now) : Correct return type.
24910 * tree.h (lang_unsave_expr_now) : Same.
24912 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
24914 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
24915 instead of duplicating code.
24917 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24919 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
24921 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
24923 * tree.h: fancy_abort always takes three args.
24924 * resource.c: Move include of system.h before toplev.h.
24926 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
24928 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
24931 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
24933 * system.h: Don't redefine abort or trim_filename.
24934 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
24935 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
24936 whether or not __FUNCTION__ is available.
24937 * tree.h: Duplicate rtl.h's definition of abort, for files
24938 that don't include rtl.h. Delete all code to perform type
24939 checking with a compiler other than GCC.
24940 * varray.h: Delete all code to perform type checking with a
24941 compiler other than GCC. Make VARRAY_CHECK() always evaluate
24942 its arguments exactly once, using a statement expression.
24943 Adjust the VARRAY_<type> accessor macros to match.
24944 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
24945 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
24946 caller's location. Define fatal_insn and fatal_insn_not_found
24947 as macros that use _fatal_insn and _fatal_insn_not_found.
24948 (fancy_abort, trim_filename): Kill prototypes.
24950 * rtl.c (trim_filename): Move here from toplev.c.
24951 (fancy_abort): New function.
24952 (DIR_SEPARATOR): Provide default definition.
24953 * tree.c (tree_check_failed, tree_class_check_failed): Go
24954 through fancy_abort.
24955 (tree_check, tree_class_check, cst_or_constructor_check,
24956 expr_check): Delete.
24957 * varray.c (varray_check_failed): New function.
24958 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
24959 _fatal_insn and _fatal_insn_not_found. Go through
24961 (trim_filename, fancy_abort): Delete.
24963 * builtins.c (expand_builtin_args_info): Report ICE with abort.
24964 * except.c (start_catch_handler): Report ICE with error/abort
24966 * final.c (output_operand_lossage): Likewise.
24967 * flow.c (verify_flow_info): Likewise.
24969 * gcc.c: Prototype fatal.
24970 * gengenrtl.c: Undef abort after including rtl.h not system.h.
24971 * genattr.c, genattrtab.c, genemit.c, genextract.c,
24972 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
24973 Don't define fancy_abort.
24975 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
24977 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
24980 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
24982 * m88k.h (VERSION_INFO2): Kill.
24983 (VERSION_STRING): Kill.
24985 (VERSION_INFO1): Tidy.
24986 (TARGET_VERSION): Update.
24987 * m88k/dgux.h (VERSION_INFO2): Kill.
24988 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
24989 * m88k/luna.h (VERSION_INFO1): Tidy.
24990 * m88k/sysv4.h (VERSION_INFO1): Likewise.
24991 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
24992 (output_file_start): Adjust for death of VERSION_STRING.
24994 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
24996 * cpplib.c (detect_if_not_defined): New function.
24997 (do_if): Use it to detect potential once-only headers.
24999 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
25001 * c-common.c (combine_strings): Always set TREE_CONSTANT.
25003 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
25005 * combine.c (nonzero_bits) : Allow single-ly set registers to be
25006 anywere in the function only if they are pseudos and set before
25007 being used (not live at the start of the function).
25008 (num_sign_bit_copies) : Same.
25009 (get_last_value_validate) : Same.
25010 (get_last_value) : Same.
25012 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
25014 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
25015 where N and M are constant and N is an integer multiple of M.
25017 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
25019 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
25020 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
25021 sbitmap_union_of_preds): Add prototypes.
25022 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
25023 the intersection of successors with the new flow graph structures.
25024 (sbitmap_intersection_of_preds): New function to compute the
25025 intersection of predecessors with the new flow graph structures.
25026 (sbitmap_union_of_succs): New function to compute the union of
25027 successors with the new flow graph structures.
25028 (sbitmap_union_of_preds): New function to compute the union of
25029 predecessors with the new flow graph structures.
25030 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
25031 (expr_reaches_here_p): Use edge and basic_block structures instead
25032 of s_preds and s_succs.
25033 (compute_cprop_avinout): Use new sbitmap routines.
25034 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
25035 of s_preds and s_succs.
25036 * flow.c (compute_flow_dominators): Compute dominators using
25037 edges and basic blocks instead of s_preds and s_succs.
25039 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
25041 * lists.c (unused_insn_list, unused_expr_list): New file for
25042 maintaining various types of lists. New statics for maintaining a
25043 cache of available INSN_LIST and EXPR_LIST nodes.
25044 (free_list): Static function for freeing a list of INSN/EXPR nodes.
25045 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
25046 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
25047 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
25048 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
25049 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
25050 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
25051 (free_INSN_LIST_node): Free an individual INSN_LIST node.
25052 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
25053 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
25054 (remove_dependence, free_pending_lists): Use new global routines.
25055 (flush_pending_lists, sched_analyze_insn): Use new global routines.
25056 (sched_analyze, compute_block_backward_dependences): Use new routines.
25057 (sched_analyze_1, sched_analyze_2): Use new routines.
25058 (schedule_insns): Use new global routines.
25059 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
25061 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
25062 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
25064 * toplev.c (rest_of_compilation): Initialize node cache.
25065 * Makefile.in (OBJS): Add lists.o to list of object files.
25066 (lists.o): Add dependancies.
25068 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
25070 * config/v850/v850.md: Fix compile time warning messages.
25071 * config/v850/v850.c: Fix compile time warning messages.
25072 * config/v850/v850.h: Fix compile time warning messages.
25074 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25076 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
25077 Remove unused prototype for `init_lengths'.
25079 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25081 * calls.c (emit_call_1): Mark parameter `stack_size' with
25083 (expand_call): Initialize variable `insn'.
25084 (emit_library_call): Likewise for variable `high_to_save'.
25085 (emit_library_call_value): Likewise.
25086 (store_one_arg): Likewise for variables `lower_bound' and
25089 * combine.c (try_combine): Likewise for variables `i2_code_number'
25090 and `other_code_number'.
25091 (find_split_point): Likewise for variables `pos', `unsignedp' and
25093 (simplify_if_then_else): Likewise for variables `op' and `c1'.
25094 (simplify_and_const_int): Remove unused variable `width'.
25095 (merge_outer_ops): Likewise.
25097 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
25098 HOST_WIDE_INT' when comparing against one.
25099 (simplify_relational_operation): Likewise.
25100 (cse_insn): Initialize variables `src_eqv_volatile',
25101 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
25103 * final.c (init_final): Constify parameter `filename'.
25104 (final_start_function): Mark parameter `optimize' with
25106 (profile_function): Likewise for parameters `first' and `optimize'.
25107 (output_source_line): Likewise for parameter `file'.
25109 * integrate.c (subst_constants): Cast a value to `size_t' when
25110 comparing against one.
25111 (mark_stores): Initialize variable `mode'. Cast a value to
25112 `size_t' when comparing against one.
25114 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
25116 * loop.c (move_movables): Initialize variable `first'.
25117 (strength_reduce): Likewise for variable `increment'.
25118 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
25119 value to `size_t' when comparing against one.
25120 (load_mems): Initialize variable `end_label'.
25122 * output.h (init_final): Constify parameter.
25124 * reload.c (decompose): Initialize variable `base'.
25126 * reload1.c (reload): Likewise for variable `is_scalar'.
25127 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
25128 (choose_reload_regs): Initialize variable `mode'.
25129 (emit_reload_insns): Likewise for variable `store_insn'.
25130 (reload_cse_noop_set_p): Mark parameter `insn' with
25132 (reload_combine): Initialize variable `set'.
25134 * unroll.c (unroll_loop): Likewise for variable `local_label'.
25135 (copy_loop_body): Cast a value to `size_t' when comparing against
25138 * varasm.c (assemble_variable): Initialize variable `size_tree'.
25139 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
25140 (remove_from_pending_weak_list): Mark parameter `name' with
25143 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25145 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
25148 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
25150 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
25151 (ASM_DECLARE_FUNCTION_NAME): Define.
25152 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
25153 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
25154 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
25155 not already defined.
25157 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
25159 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
25160 of n_popped when call/call_value are not defined.
25162 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
25164 * tm.texi: GNU CC -> GCC conversion.
25165 (CC1_SPEC): Indicate it is used for all language front ends.
25167 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
25169 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
25170 NOTE_INSN_EH_REGION_END correctly.
25172 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
25173 Jeff Law <law@cygnus.com>
25175 * loop.c (strength_reduce): Automatically unroll loops if the
25176 unrolled loop size is smaller than the rolled loop size.
25178 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
25179 and delete comment that code should be rewritten.
25181 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
25183 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
25186 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
25188 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
25190 * fixinc/mkfixinc.sh: Don't fix uwin headers.
25191 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
25192 (LINK_SPEC): Add -u _main when building executables.
25193 (ASM_DECLARE_FUNCTION): Update from Cygwin.
25194 (ASM_FILE_END): Use the default for ix86-pe.
25195 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
25197 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
25199 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
25200 and ASM_CLOSE_PAREN are empty strings.
25202 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
25203 Geoffrey Keating <geoffk@cygnus.com>
25205 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
25206 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
25207 (unprotoize.o): Ditto.
25208 (test-protoize-simple): Don't define STD_PROTO_DIR.
25209 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
25210 changes to make 'test-protoize-simple' pass.
25211 (STD_PROTO_DIR): Remove define.
25212 (STANDARD_EXEC_PREFIX): Supply default define.
25213 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
25214 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
25215 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
25216 (GET_ENV_PATH_LIST): New macro.
25217 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
25218 (do_processing): Initialize default_syscalls_dir using new
25219 macros. Use it to initialize syscalls_absolute_filename.
25221 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
25223 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
25224 B into a register before emit_conditional_move.
25226 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
25228 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
25229 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
25230 multiplicand out of (+ (* a b) (* c d)).
25232 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
25233 Richard Henderson <rth@cygnus.com>
25235 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
25236 (new_insn_dead_notes): Likewise.
25237 (update_n_sets): Likewise.
25238 (update_flow_info): Move to flow.c, renamed to update_life_info;
25239 extend to handle multiple source insns.
25240 * flow.c: Include resource.h
25241 (unlink_insn_chain): New.
25242 (split_hard_reg_notes): New.
25243 (maybe_add_dead_note): New.
25244 (maybe_add_dead_note_use): New.
25245 (find_insn_with_note): New.
25246 (new_insn_dead_notes): New.
25247 (update_n_sets): New.
25248 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
25249 (maybe_remove_dead_notes): New.
25250 (update_life_info): New.
25251 (prepend_reg_notes): New.
25252 (replace_insns): New.
25253 * output.h (update_life_info): Declare.
25254 * recog.c (split_block_insns): Use update_life_info.
25255 * resource.c (find_free_register): Use reg_alloc_order, don't use
25256 fixed regs, make sure the mode is supported, don't use new regs.
25258 * rtl.h (replace_insns): Declare.
25260 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
25262 * expr.c (expand_expr): Cope with COND_EXPRs with one
25263 non-returning branch.
25265 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
25267 * expr.c (store_expr): Always pass down the target, even when not
25270 1999-08-24 Nick Clifton <nickc@cygnus.com>
25272 * configure.in: Define target_cpu_default for v850 targets.
25273 * configure: Regenerate
25275 * config/v850/v850.h (TARGET_CPU_generic): Define.
25276 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
25277 addresses are 4 byte aligned.
25279 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
25282 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25284 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
25285 (main): Add prototypes.
25287 * genattrtab.c (substitute_address, write_const_num_delay_slots,
25288 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
25289 (write_attr_get): Emit prototypes along with function definition.
25290 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
25291 (write_complex_function): Emit static prototype along with
25292 function definition.
25294 * genemit.c (gen_split): Emit prototypes along with function
25297 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
25298 Likewise for predicates and `insn_operand_predicate'.
25299 (process_template): Emit static prototype along with function
25302 * genrecog.c (make_insn_sequence): Constify a char*. Add
25303 prototypes for get_split_*().
25304 (write_subroutine): Emit prototypes along with function
25307 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25309 * gcse.c (find_avail_set): Follow chains of register-register copies.
25310 Use oprs_not_set_p to guarantee that the returned value can be
25312 (cprop_insn): Don't verify the return value of find_avail_set with
25315 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
25316 (cprop_cc0_jump): New function.
25317 (cprop_insn): Break out new function cprop_jump and use it.
25318 Also use cprop_cc0_jump for machines with CC0.
25319 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
25321 * tree.h (current_function_calls_setjmp,
25322 current_function_calls_longjmp): Delete declarations.
25323 * dsp16xx.c: Include "function.h".
25324 * elxsi.c: Likewise.
25325 * gmicro.c: Likewise.
25326 * h8300.c: Likewise.
25327 * i370.c: Likewise.
25328 * m32r.c: Likewise.
25329 * mn10200.c: Likewise.
25330 * mn10300.c: Likewise.
25331 * ns32k.c: Likewise.
25332 * spur.c: Likewise.
25333 * v850.c: Likewise.
25335 * rtl.h (rtx_equal_function_value_matters): Declare.
25336 * toplev.c (rtx_equal_function_value_matters): Don't declare.
25338 * function.c: Likewise.
25339 * emit-rtl.c: Likewise.
25341 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
25343 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
25346 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
25348 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
25351 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
25353 * cpp.texi: Add a node documenting macro varargs (copied
25356 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
25358 * cppspec.c: Put a null pointer at the end of the new argv.
25360 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
25362 * configure.in: Remove code to select/de-select the haifa
25363 scheduler. Every scheduled port gets haifa now.
25364 * configure: Rebuilt.
25365 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
25367 * Makefile.in: Corresponding changes.
25369 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25371 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
25372 All callers changed.
25373 (prepare_float_lib_cmp): Likewise.
25374 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
25375 * expr.h (emit_float_lib_cmp): Delete declaration.
25376 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
25377 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
25378 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
25380 (cmptf): Now conditional on TARGET_HARD_QUAD.
25382 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
25384 * resource.c (mark_target_live_regs): Use
25385 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
25387 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25389 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
25391 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
25393 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
25395 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25397 * rtl.h (rtx_format): Constify a char*.
25399 * rtl.c (rtx_format): Likewise.
25400 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
25401 (init_rtl): Use accessor macro, not `rtx_format'.
25403 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
25406 * caller-save.c (mark_referenced_regs): Likewise.
25408 * combine.c (subst, make_compound_operation, known_cond,
25409 gen_rtx_combine, update_table_tick, get_last_value_validate,
25410 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
25412 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
25413 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
25414 count_reg_usage): Likewise.
25416 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
25419 * final.c (leaf_renumber_regs_insn): Likewise.
25421 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
25422 dump_edge_info, count_reg_references): Likewise.
25424 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
25425 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
25428 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
25429 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
25430 add_label_notes): Likewise.
25432 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
25433 clear_struct_flag, count_sub_rtxs, count_alternatives,
25434 compares_alternatives_p, contained_in_p, walk_attr_value,
25435 write_expr_attr_cache): Likewise.
25437 * genconfig.c (walk_insn_part): Likewise.
25439 * genemit.c (max_operand_1, gen_exp): Likewise.
25441 * genextract.c (walk_rtx): Likewise.
25443 * genflags.c (num_operands): Likewise.
25445 * genoutput.c (scan_operands): Likewise.
25447 * genpeep.c (match_rtx): Likewise.
25449 * genrecog.c (add_to_sequence): Likewise.
25451 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
25454 * integrate.c (save_constants, copy_for_inline,
25455 copy_rtx_and_substitute, subst_constants, restore_constants):
25458 * jump.c (mark_jump_label, invert_exp, redirect_exp,
25459 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
25461 * local-alloc.c (contains_replace_regs, memref_referenced_p):
25464 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
25465 add_label_notes, replace_call_address, count_nonfixed_reads,
25466 invariant_p, find_single_use_in_loop, find_mem_givs,
25467 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
25470 * print-rtl.c (reg_names, print_rtx): Likewise.
25472 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
25474 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
25475 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
25476 print_blocks): Likewise.
25478 * regclass.c (fix_register, record_address_regs,
25479 reg_scan_mark_refs): Likewise.
25481 * regmove.c (stable_but_for_p): Likewise.
25483 * reload.c (loc_mentioned_in_p, operands_match_p,
25484 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
25485 copy_replacements, refers_to_regno_for_reload_p,
25486 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
25487 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
25490 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
25491 delete_address_reloads_1, count_occurrences,
25492 reload_cse_mem_conflict_p, reload_combine_note_use,
25493 add_auto_inc_notes): Likewise.
25495 * resource.c (mark_referenced_resources, mark_set_resources):
25498 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
25499 reg_mentioned_p, regs_set_between_p, modified_between_p,
25500 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
25501 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
25502 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
25503 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
25505 * sched.c (sched_analyze_2, attach_deaths): Likewise.
25507 * stupid.c (stupid_mark_refs): Likewise.
25509 * unroll.c (remap_split_bivs): Likewise.
25511 * varasm.c (mark_constants): Likewise.
25513 * a29k/a29k.c (uses_local_reg_p): Likewise.
25515 * alpha/alpha.c (summarize_insn): Likewise.
25517 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
25518 eliminate_lr2ip): Likewise.
25520 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
25522 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
25523 reg_mentioned_in_mem): Likewise.
25525 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
25526 symbolic_reference_mentioned_p): Likewise.
25528 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
25530 * sh/sh.c (regs_used, mark_use): Likewise.
25532 * vax/vax.c (vax_rtx_cost): Likewise.
25534 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25536 * machmode.h (mode_name): Constify a char*.
25538 * rtl.c (mode_name): Likewise.
25540 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
25542 * optabs.c (init_libfuncs): Constify a char*.
25544 * print-tree.c (mode_name): Remove redundant declaration.
25545 (print_node): Use accessor macro, not `mode_name'.
25547 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
25549 (new_spill_reg): Constify a char*.
25551 * tree.c (mode_name): Remove redundant declaration.
25553 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25555 * rtl.c (rtx_name): Constify a char*.
25557 * rtl.h (rtx_name, fix_sched_param): Likewise.
25559 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
25560 (mypr): Use accessor macro, not `rtx_name'.
25562 * genemit.c (print_code): Constify a char*.
25564 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
25566 * genpeep.c (print_code): Constify a char*.
25568 * genrecog.c (print_code): Likewise.
25570 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
25571 end_bb): Add static prototype.
25572 (draw_edge): Constify a char*.
25573 (end_bb): Remove unused parameter.
25575 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
25576 print_block_visualization): Constify a char*.
25578 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
25580 * c-common.c (c_get_alias_set): Update comment.
25582 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
25584 * linux.h (LIB_SPEC): Added.
25586 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25588 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
25590 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
25592 * tree.c (expr_check): Fix typo in last change.
25594 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
25596 * rtl.def (NOTE): Change format to "iuu0n".
25597 (ADDR_DIFF_VEC): Change format to "eEee0".
25598 (ADDRESSOF): Change format to "eit".
25600 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
25601 (RTVEC_ELT): Change to match.
25602 (XVECEXP): Use XVEC and RTVEC_ELT.
25603 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
25604 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
25605 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
25606 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
25607 TRAP_CONDITION, TRAP_CODE): Use XEXP.
25608 (INTVAL): Use XWINT.
25609 (ADDRESSOF_DECL): Use XTREE.
25610 (SET_ADDRESSOF_DECL): Delete.
25611 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
25612 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
25613 ifdefed out since 2.6 at least.
25614 (gen_rtvec_vv): Delete prototype.
25616 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
25618 (copy_most_rtx): Handle 't' format letter.
25619 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
25620 (gen_rtvec_vv): Delete function. All callers changed to use
25621 gen_rtvec_v instead.
25622 * print-rtl.c (print_rtx): Move special casing of NOTEs to
25623 the '0' format letter.
25625 * function.c (gen_mem_addressof): Don't use
25626 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
25628 * integrate.c (copy_rtx_and_substitute): Likewise.
25629 Copy 't' slots with XTREE.
25630 (subst_constants): Treat 't' slots like '[swi]' slots.
25631 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
25632 * jump.c (rtx_equal_for_thread_p): Likewise.
25633 * rtlanal.c (rtx_equal_p): Likewise.
25634 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
25635 only four arguments.
25636 * gengenrtl.c (type_from_format): Provide correct types for
25640 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
25641 If a recent gcc is in use (always in stage2 and beyond), use
25642 statement expressions, so we don't make a function call unless
25643 the check fails. Evaluate arguments exactly once.
25644 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
25645 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
25647 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
25648 they evaluate their arguments exactly once, irrespective of
25649 the compiler in use.
25651 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
25652 is used by the currently-enabled check macros. This is:
25653 (tree_check_failed, tree_class_check_failed): For gcc.
25654 (tree_check, tree_class_check, cst_or_constructor_check,
25655 expr_check): For other compilers.
25657 * gencheck.c: Do not define any *_CHECK1 macros.
25659 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
25660 Mark Mitchell <mark@codesourcery.com>
25662 * c-common.c (c_get_alias_set): Fix support for poitners and
25665 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
25667 * alias.c: Include tree.h.
25668 (nonlocal_reference_p, mark_constant_function): New functions.
25669 * flow.c (life_analysis): Call mark_constant_function.
25670 * rtl.h (mark_constant_function): Declare it.
25672 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
25674 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
25675 unrecognisable switches.
25677 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25679 * loop.c (recombine_givs): Set ix field after sorting.
25680 (recombine_givs): Remove bogus index / giv lockstep looping.
25682 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25684 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
25686 (emit_store_flag_force): Use do_compare_rtx_and_jump.
25687 (do_cmp_and_jump): Formatting fixes.
25688 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
25689 do_compare_rtx_and_jump instead of compare_from_rtx.
25690 (do_compare_rtx_and_jump): New function; mostly copied from
25692 (do_jump_for_compare): Delete.
25693 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
25695 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
25696 of compare/do_jump_for_compare pairs.
25697 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
25698 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
25699 compare_from_rtx/do_jump_for_compare pairs.
25700 (do_jump_by_parts_equality): Likewise.
25701 (do_jump_by_parts_equality_rtx): Likewise.
25702 * expr.h (do_compare_rtx_and_jump): Declare.
25703 * optabs.c (prepare_cmp_insn): New function, contains most of the code
25704 that used to be in emit_cmp_insn.
25705 (cmp_available_p): New function.
25706 (prepare_operand): New function.
25707 (emit_cmp_and_jump_insn_1): New function, contains some code that used
25708 to be in emit_cmp_insn.
25709 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
25710 parameters to be pointers; don't emit final compare but modify some of
25711 the values pointed to by the args so the caller can perform the
25712 correct comparison.
25713 (expand_binop): Call emit_store_flag_force with signed forms of
25715 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
25716 emit_jump_insn pair.
25717 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
25718 emit_cmp_and_jump_insn_1. Call emit_queue.
25719 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
25721 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
25722 jump sets cc0 before deleting it.
25723 * integrate.c (expand_inline_function): Likewise.
25724 * unroll.c (unroll_loop): Similar changes in several places.
25725 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
25726 before deleting it.
25728 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25730 * Makefile.in (insn-recog.o): Update dependencies.
25731 * genrecog.c (main): Make generated file include "function.h".
25733 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
25735 * cse.c (cse_insn): Call never_reached_warning when a jump is
25736 changed to be unconditional.
25737 * flags.h: Declare warn_notreached.
25738 * flow.c (delete_block): Call never_reached_warning when
25739 a block is deleted.
25740 * jump.c (delete_barrier_successors): Call never_reached_warning
25741 when we delete everything after a BARRIER.
25742 (never_reached_warning): New function.
25743 * rtl.h: Declare never_reached_warning.
25744 * toplev.c (warn_notreached): New variable.
25745 (lang_independent_options): Set warn_notreached
25746 when -Wunreachable-code.
25747 (compile_file): We need line numbers for -Wunreachable-code.
25749 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
25751 * haifa-sched.c (insn_unit): Fix typo on out of range test.
25752 * sched.c (insn_unit): Likewise.
25754 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
25756 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
25758 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
25760 * flow.c (create_edge_list): Use xmalloc, not malloc.
25762 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
25764 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
25765 C-style comments. Do not lose the character before double slash.
25767 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
25769 * basic-block.h (struct edge_list): Stucture to maintain a vector
25771 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
25772 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
25773 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
25774 New function prototypes.
25775 * flow.c (create_edge_list): Function to create an edge list.
25776 (free_edge_list): Discards memory used by an edge list.
25777 (print_edge_list): Debug output showing an edge list.
25778 (verify_edge_list): Internal consistency check for an edge list.
25779 (find_edge_index): Function to find an edge index for a pred and succ.
25781 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
25783 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
25786 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
25788 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
25790 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
25792 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
25794 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
25796 * toplev.c (rest_of_compilation): Allow machine dependent
25797 reorganisation pass to place information into the RTL dump
25798 file if it so wishes.
25800 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
25802 * explow.c (hard_function_value): Use VOIDmode instead of
25804 * stmt.c (expand_return): Likewise.
25805 * stor-layout.c (get_best_mode): Likewise.
25807 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
25808 emit call instead of emit_insn call.
25810 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
25812 * configure.in: Handle --disable/enable-win32-registry.
25813 * install.texi: Document --disable/enable-win32-registry.
25814 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
25815 (WIN32_REGISTRY_KEY): New macro.
25816 * prefix.c: Use to enable/disable win32-specific code.
25817 (lookup_key): Use versioned key.
25818 * configure: Regenerate.
25819 * config.in: Likewise.
25821 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
25823 * cpplib.c (read_line_number): New fn, split out of...
25826 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
25828 tree.c (lang_unsave_expr_now) : New.
25829 (unsave_expr_now): Call lang_unsave_expr_now.
25830 tree.h (lang_unsave_expr_now) : New.
25832 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
25834 * toplev.c (flag_new_exceptions): On by default.
25836 1999-08-13 Michael Meissner <meissner@cygnus.com>
25838 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
25840 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
25842 * dwarfout.c (fundamental_type_code): Return FT_boolean for
25843 INTEGER_TYPE with precision==1, it's __java_boolean.
25845 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25847 * global.c (prune_preferences): Move some invariants out of the
25850 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
25852 * configure.in (alpha*-dec-osf*): Add osf5.
25854 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
25856 * configure.in: Rework handling of ARM GNU/Linux slightly.
25857 (arm*-*-linux-gnuoldld): New target.
25858 * configure: Regenerate.
25859 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
25860 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
25861 * config/arm/linux-oldld.h: New file.
25862 * config/arm/linux-elf26.h: Don't include linux-elf.h.
25863 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
25865 * config/arm/linux-elf.h (ASM_SPEC): Define.
25866 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
25867 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
25868 for 26-bit APCS and old linker.
25869 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
25871 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
25872 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
25873 don't define `arm' or `arm_elf'.
25874 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
25875 MULTILIB_DIRNAMES): Define. Fix typo in comment.
25877 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
25879 * rtl.texi: Fix typo.
25881 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
25883 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
25885 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
25887 * extend.texi (C++ Signatures): Remove node.
25888 * invoke.texi: Remove discussion of -fhandle-signatures,
25889 signature, sigof, __signature__, and __sigof__.
25891 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
25893 * Makefile.in (JAVAGC): Removed.
25895 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
25897 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
25899 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
25901 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
25903 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
25905 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
25906 a register that is already known to be a pointer.
25908 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
25910 * fixinc/inclhack.tpl: Only install assert.h conditionally.
25911 * fixinc/inclhack.sh: Regenerated.
25912 * fixinc/fixincl.sh: Regenerated.
25914 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
25916 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
25917 Fix documentation of -ansi flag to describe its C++ behavior.
25918 Remove bogus reference to GCC 2.9.
25920 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
25922 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
25923 note if it is non-NULL.
25925 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
25927 * except.h (eh_nesting_info): Add new structure defintion.
25928 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
25929 (reachable_handlers, update_rethrow_references): Add function
25931 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
25932 a rethrow symbol instead of an integer exception region number.
25933 * flow.c (Make_edges): Use new exception nesting routines to determine
25934 which handlers are reachable from a CALL or asynchronous insn.
25935 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
25937 (delete_eh_regions): Update rethrow labels, and don't delete
25938 regions which are the target of a rethrow.
25939 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
25940 avoid overloading the SYMBOL_REF_USED flag.
25941 (rethrow_symbol_map): Use new rethrow_ref field.
25942 (rethrow_used): Use new rethrow_ref field.
25943 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
25944 of an integer. Fix formatting.
25945 (output_exception_table_entry): Use new rethrow_ref field.
25946 (can_throw): Check for EH_REGION_NOTE before deciding
25947 whether a CALL can throw or not.
25948 (scan_region): Call rethrow_used() instead of accessing data structure.
25949 (update_rethrow_references): New function to make sure only regions
25950 which are still targets of a rethrow are flagged as such.
25951 (process_nestinfo): New static function to initialize a handler
25952 list for a specific region.
25953 (init_eh_nesting_info): New function to allocate and initialize
25954 the list of all EH handlers reachable from all regions.
25955 (reachable_handlers): New function to retrieve the list of handlers
25956 reachable from a specific region and insn.
25957 (free_eh_nesting_info): New function to dispose of a list of
25958 reachable handlers.
25960 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
25962 * flow.c (split_edge): Set JUMP_LABEL field.
25963 (commit_one_edge_insertion): Set head correctly for insert_before.
25964 When inserting insns, update insn block numbers if allocated.
25966 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25968 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
25969 retry_incomplete_types): Add static prototype.
25970 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
25971 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
25972 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
25973 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
25974 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
25977 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
25978 dwarf2out_start_source_file, dwarf2out_line): Likewise.
25980 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25982 * output.h (assemble_name): Constify a char*.
25984 * varasm.c (UNIQUE_SECTION, assemble_start_function,
25985 assemble_variable, assemble_name): Likewise.
25987 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
25989 * arm/pe.c (arm_pe_unique_section): Likewise.
25991 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
25993 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
25995 * i386/interix.c (i386_pe_unique_section): Likewise.
25997 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
25999 * i386/winnt.c (i386_pe_unique_section): Likewise.
26001 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
26003 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
26005 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
26007 * pa/pa.c (output_call): Likewise.
26009 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
26011 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
26013 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
26016 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
26019 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
26021 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
26022 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
26024 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
26026 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26028 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
26030 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26032 * tree.h (lang_identify): Constify a char*.
26033 (print_error_function): Add extern prototype. Constify a char*.
26035 * c-lang.c (lang_identify): Constify a char*.
26037 * objc/objc-act.c (lang_identify): Constify a char*.
26039 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26041 * genpeep.c (main): Make generated file include "function.h".
26042 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
26044 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26046 * Makefile.in: Update dependencies.
26047 * alias.c: Include "function.h"
26048 * c-decl.c: Likewise.
26049 * caller-save.c: Likewise.
26050 * calls.c: Likewise.
26051 * combine.c: Likewise.
26053 * explow.c: Likewise.
26054 * final.c: Likewise.
26055 * global.c: Likewise.
26056 * graph.c: Likewise.
26057 * local-alloc.c: Likewise.
26058 * loop.c: Likewise.
26059 * optabs.c: Likewise.
26060 * profile.c: Likewise.
26061 * recog.c: Likewise.
26062 * regclass.c: Likewise.
26063 * regmove.c: Likewise.
26064 * reload.c: Likewise.
26065 * reorg.c: Likewise.
26066 * resource.c: Likewise.
26067 * sched.c: Likewise.
26068 * stupid.c: Likewise.
26069 * config/1750a/1750a.c: Likewise.
26070 * config/a29k/a29k.c: Likewise.
26071 * config/arc/arc.c: Likewise.
26072 * config/arm/arm.c: Likewise.
26073 * config/arm/thumb.c: Likewise.
26074 * config/c4x/c4x.c: Likewise.
26075 * config/clipper/clipper.c: Likewise.
26076 * config/convex/convex.c: Likewise.
26077 * config/fx80/fx80.c: Likewise.
26078 * config/i860/i860.c: Likewise.
26079 * config/m68k/m68k.c: Likewise.
26080 * config/m88k/m88k.c: Likewise.
26081 * config/mips/mips.c: Likewise.
26082 * config/pdp11/pdp11.c: Likewise.
26083 * config/pyr/pyr.c: Likewise.
26084 * config/romp/romp.c: Likewise.
26085 * config/sh/sh.c: Likewise.
26086 * config/tahoe/tahoe.c: Likewise.
26087 * config/vax/vax.c: Likewise.
26088 * config/we32k/we32k.c: Likewise.
26089 * config/sparc/sparc.c: Include "function.h".
26090 (mem_min_alignment): Test current_function rather than
26091 regno_pointer_align.
26092 * config/pa/pa.c: Likewise.
26093 (compute_frame_size): Delete declaration of
26094 current_function_outgoing_args_size.
26095 * config/arc/arc.h (current_function_varargs): Delete declaration.
26096 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
26098 * config/i370/i370.h (current_function_outgoing_args_size): Delete
26100 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
26101 current_function_uses_pic_offset_table.
26102 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
26103 of current_function_returns_pointer.
26104 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
26105 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
26106 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
26107 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
26108 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
26109 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
26110 * config/m88k/m88k.c: Include "function.h"
26111 (call_used_regs, current_function_pretend_args_size,
26112 current_function_outgoing_args_size, frame_pointer_needed): Delete
26114 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
26116 * config/mips/mips.h (current_function_calls_alloca): Delete
26118 * config/mn10200/mn10200.h (current_function_needs_context,
26119 rtx_equal_function_value_matters): Delete declarations.
26120 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
26121 flag_pic): Delete declarations.
26122 * config/pa/pa.h (current_function_pretend_args_size,
26123 current_function_decl): Delete declarations.
26124 * config/pa/som.h (current_function_varargs): Delete declaration.
26125 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
26127 * config/pyr/pyr.h (current_function_pretend_args_size,
26128 current_function_args_size, current_function_calls_alloca): Delete
26130 * config/sh/sh.h (current_function_varargs): Delete declaration.
26131 * config/sparc/sparc.h (current_function_outgoing_args_size,
26132 current_function_calls_alloca, current_function_decl): Delete
26134 * config/spur/spur.h (current_function_pretend_args_size,
26135 current_function_calls_alloca): Delete declarations.
26136 * config/v850/v850.c (current_function_outgoing_args_size): Delete
26138 * config/vax/vms.h (current_function_name): Delete declaration.
26139 * gcse.c: Include "function.h".
26140 (current_function_name, current_function_calls_setjmp): Delete
26142 * haifa-sched.c: Include "function.h".
26143 (forced_labels): Delete declaration.
26144 * jump.c: Likewise.
26145 * reg-stack.c: Likewise.
26146 * reload1.c: Likewise.
26147 * genemit.c (main): Make generated file include function.h.
26148 * genoutput.c (output_prologue): Likewise.
26150 * builtins.c (saveregs_value, apply_args_value): Delete variables.
26151 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
26152 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
26153 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
26154 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
26155 macros for some of them.
26156 (emit_filename, emit_lineno): Delete declarations.
26157 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
26158 regno_pointer_* variables through current_function.
26159 (gen_inline_header_rtx): Delete function.
26160 (save_emit_status): Delete function.
26161 (set_new_last_label_num): New function.
26162 (clear_emit_caches): New function.
26163 (restore_emit_status): Just clear last_labelnum and call
26165 (get_last_insn_anywhere): Variable sequence_stack is now accessed
26166 through macro seq_stack.
26167 (add_insn_after): Likewise.
26168 (add_insn_before): Likewise.
26169 (remove_insn): Likewise.
26170 (pop_topmost_sequence): Likewise.
26171 (in_sequence_p): Likewise.
26172 (start_sequence_for_rtl_expr): Likewise.
26173 (start_sequence): Likewise, and likewise for
26174 sequence_rtl_expr/seq_rtl_expr.
26175 (push_topmost_sequence): Likewise.
26176 (end_sequence): Likewise.
26177 (init_virtual_regs): Now takes a "struct emit_status *" argument.
26178 All callers changed. Store into that pointer instead of globals.
26179 (init_emit): Allocate emit elt of current_function.
26180 Changes for sequence_rtl_expr/sequence_stack renaming.
26181 Call clear_emit_caches instead of doing it in-line.
26182 Access regno_pointer_* variables through current_function.
26183 (init_emit_once) Don't clear sequence_stack.
26185 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
26187 (arg_pointer_save_area): Delete declaration.
26188 (finish_expr_for_function): Renamed from init_queue; no longer static.
26189 (init_expr): Don't call init_queue.
26190 (save_expr_status, restore_expr_status): Delete functions.
26191 (expand_expr): Changes to reflect new layout of struct function.
26192 Don't access current_function_check_memory_usage when current_function
26194 * expr.h (forced_labels, save_expr_regs, saveregs_value,
26195 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
26196 current_function_outgoing_args_size, current_function_arg_offset_rtx,
26197 current_function_uses_const_pool, function_call_count,
26198 current_function_uses_pic_offset_table, nonlocal_labels,
26199 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
26200 current_function_check_memory_usage, nonlocal_goto_handler_slots,
26201 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
26203 (finish_expr_for_function): Declare.
26204 * flags.h (current_function_has_nonlocal_label,
26205 current_function_has_nonlocal_goto, current_function_is_thunk,
26206 current_function_has_computed_jump): Delete declarations.
26207 * flow.c (forced_labels): Delete declaration.
26208 * function.c (current_function_pops_args,
26209 current_function_returns_struct, current_function_returns_pcc_struct,
26210 current_function_needs_context, current_function_calls_setjmp,
26211 current_function_calls_longjmp, current_function_has_nonlocal_label,
26212 current_function_has_nonlocal_goto, current_function_is_thunk,
26213 current_function_has_computed_jump, current_function_calls_alloca,
26214 current_function_contains_functions, current_function_returns_pointer,
26215 current_function_epilogue_delay_list, current_function_args_size,
26216 current_function_pretend_args_size, current_function_arg_offset_rtx,
26217 current_function_outgoing_args_size, current_function_varargs,
26218 current_function_stdarg, current_function_args_info, cleanup_label,
26219 current_function_name, current_function_uses_const_pool,
26220 current_function_instrument_entry_exit, current_function_return_rtx,
26221 current_function_uses_pic_offset_table, nonlocal_labels,
26222 current_function_internal_arg_pointer, current_function_cannot_inline,
26223 current_function_check_memory_usage, function_call_count,
26224 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
26225 nonlocal_goto_stack_level, return_label, save_expr_regs,
26226 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
26227 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
26228 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
26229 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
26230 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
26232 (push_function_context_to): Don't save them. Don't call
26233 save_storage_status, save_emit_status or save_expr_status.
26234 (pop_function_context_from): Don't restore them. Don't call
26235 restore_storage_status or restore_expr_status.
26236 (get_func_frame_size): New function.
26237 (get_frame_size): Use it.
26238 (assign_outer_stack_local): Reflect some member name changes in struct
26240 (put_reg_into_stack): Likewise.
26241 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
26243 (fixup_var_refs): Likewise.
26244 (fix_lexical_addr): Likewise.
26245 (trampoline_address): Likewise.
26246 (prepare_function_start): Clear field inlinable of current_function.
26247 (init_function_for_compilation): New function.
26248 (expand_dummy_function_end): New function.
26249 (expand_function_end): Call finish_expr_for_function.
26250 * function.h (struct emit_status): New; fields moved here from struct
26251 function and from global variables. Add accessor macros for some of
26253 (struct expr_status): Likewise.
26254 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
26255 (struct function): Add fields expr and emit, inlinable, inl_emit,
26256 original_arg_vector, original_decl_initial, inl_last_parm_insn,
26257 inl_max_label_num. Add many comments.
26258 Add accessor macros for all elts of struct function that no longer
26259 have a global variable.
26260 (cleanup_label, return_label, frame_offset, tail_recursion_label,
26261 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
26262 stack_slot_list): Delete declarations.
26263 (get_func_frame_size): Declare.
26264 (save_expr_status, restore_expr_status, save_emit_status,
26265 save_storage_status, restore_storage_status): Delete declarations.
26266 (init_virtual_regs): Declare.
26267 * output.h (current_function_pops_args,
26268 current_function_returns_struct, current_function_returns_pcc_struct,
26269 current_function_needs_context, current_function_calls_setjmp,
26270 current_function_calls_longjmp, current_function_calls_alloca,
26271 current_function_has_nonlocal_label, current_function_varargs,
26272 current_function_has_computed_jump, current_function_returns_pointer,
26273 current_function_contains_functions, current_function_args_size,
26274 current_function_pretend_args_size, current_function_stdarg,
26275 current_function_outgoing_args_size, current_function_args_info,
26276 current_function_name, current_function_return_rtx,
26277 current_function_epilogue_delay_list,
26278 current_function_uses_const_pool, current_function_cannot_inline):
26279 Delete declarations.
26280 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
26281 regno_reg_rtx): Delete declaration.
26282 (REGNO_POINTER_FLAG): Delete macro.
26283 * stmt.c (expand_goto): Changes to reflect that some fields in struct
26284 function were renamed.
26285 * stor-layout.c (save_storage_status, restore_storage_status): Delete
26287 * toplev.c: Include "function.h".
26288 (current_function_decl): Delete declaration.
26289 (compile_file): Call init_dummy_function_start and
26290 expand_dummy_function_end around some initializations that need to
26292 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
26293 Call init_function_for_compilation.
26294 * unroll.c: Include "function.h"
26295 (unroll_loop): Access regno_pointer_* variables through
26298 * tree.h (struct tree_decl): Add elt f to saved_insns member.
26299 (DECL_SAVED_INSNS): use it.
26300 (expand_dummy_function_end): Declare.
26301 (init_function_for_compilation): Declare.
26302 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
26303 that it's no longer an INLINE_HEADER.
26304 (expand_call): Likewise.
26305 * integrate.c (finish_inline): Delete function.
26306 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
26307 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
26308 args. Don't generate an INLINE_HEADER rtx, just return the arg
26309 vector. All callers changed.
26310 (save_for_inline_copying): Create a duplicate struct emit_status to
26311 hold the emit state for compiling the current function. Use this and
26312 the other new fields in struct function that are for integration
26313 instead of an INLINE_HEADER.
26314 Use memcpy instead of bcopy.
26315 Store the current struct function in DECL_SAVED_INSNS of fndecl.
26316 (save_for_inline_nocopy): Similar changes, except no new emit_status
26318 (expand_inline_function): Get information from function structure,
26319 not from an inline header rtx.
26320 (output_inline_function): Lose code to extract the necessary
26321 information from an inline header; simply put back the function
26322 structure into current_function. Clear its inlinable elt.
26323 * rtl.def (INLINE_HEADER): Delete.
26324 * rtl.h: Delete all accessors for an INLINE_HEADER.
26325 (gen_inline_header_rtx): Delete declaration.
26326 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
26327 Delete declarations.
26328 (REGNO_POINTER_ALIGN): Delete.
26329 (clear_emit_caches): Declare.
26330 (set_new_last_label_num): Declare.
26332 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
26334 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
26336 * except.c (expand_eh_region_start_for_decl): Always start a new block.
26337 * stmt.c (is_eh_region): Make sure current_function is present, too.
26339 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
26341 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
26342 for 64bit PA targets.
26344 * pa.h (SELECT_SECTION): Define.
26345 * som.h (SELECT_SECTION): Delete.
26347 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26349 * alias.c (init_alias_analysis): Wrap call to
26350 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
26352 1999-08-07 Bruce Korb <autogen@linuxbox.com>
26354 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
26355 <sys/asm.h> contains an asm comment with an apostrophe
26356 * fixinc/inclhack.sh: regen
26357 * fixinc/fixincl.x: regen
26359 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
26361 * function.c (init_function_start): Clear prologue & epilogue.
26362 (prologue_epilogue_contains): New function.
26363 * alias.c (init_alias_analysis): Use it.
26364 * rtl.h (prologue_epilogue_contains): Declare it.
26366 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
26368 * jump.c (onlyjump_p): New function.
26369 * rtl.h: Declare it.
26370 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
26371 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
26373 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
26375 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
26376 to invert loops. Simplify block scanning.
26378 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26380 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
26381 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
26383 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
26385 * config/sparc/liteelf.h: New file to support sparclite-elf target
26386 * config/sparc/t-sp86x: New file to support sparc86x targets
26387 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
26388 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
26389 * configure.in: Support above target triplets
26390 * configure: Regenerated
26392 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
26394 * fixinc/server.c (server_setup): Do not prefix function used as
26395 parameter with `&'.
26397 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
26399 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
26400 Remove fp reg alternatives.
26402 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
26404 * Makefiin (TAROUTOPTS): Kill.
26405 (install-headers-tar): Use "xpf" for tar headerfile extraction
26406 * i370/x-oe (TAROUTOPTS): Delete.
26407 * m68k/x-apollo68 (TAROUTOPTS): Delete.
26408 * m68k/x-hp320 (TAROUTOPTS): Delete.
26409 * m68k/x-hp320g (TAROUTOPTS): Delete.
26410 * gcc.texi: Update bug reporting text.
26412 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
26414 * reg-stack.c (change_stack) Fixed problem with negative array index.
26416 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
26418 * extend.texi, install.texi: Fix spelling mistakes.
26420 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
26421 (s-attrtab); No longer try to use pre-made insn-attrtab file.
26422 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
26423 PREMADE_ATTRTAB_MD.
26424 * mips/t-ecoff: Likewise.
26425 * mips/t-elf: Likewise.
26426 * mips/t-mips: Likewise.
26427 * mips/t-osfrose: Likewise.
26428 * mips/t-r3900: Likewise.
26429 * mips/t-svr3: Likewise.
26430 * mips/t-svr4: Likewise.
26431 * mips/t-ultrix: Likewise.
26433 * gcc.texi: Document recommend means to provide software floating
26434 point libraries in libgcc.a
26436 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
26438 * c-lex.c (yylex): We can have a number with no digits.
26440 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
26442 * jump.c (delete_prior_computation): New function, broken
26443 out of delete_computation. Check for side effects with
26444 side_effects_p instead of FIND_REG_INC_NOTE. Handle
26445 multi-word hard registers.
26446 (delete_computation): Use it. Check for side effects with
26447 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
26448 missing REG_DEAD note for a register which is both set and
26451 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
26453 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
26454 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
26455 (ASM_FILE_START): Import _mcount with the right type.
26456 (ASM_DECLARE_FUNCTION_NAME): Define.
26457 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
26458 * pa.c (output_function_prologue): Always emit the function's label
26460 * pa.h (TEXT_SPACE_P): Define.
26461 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
26462 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
26463 * som.h (TEXT_SPACE_P): Delete.
26464 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
26465 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
26467 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
26469 * expr.c (emit_group_load): Allow src to be a CONCAT.
26471 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26473 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
26474 (___mulsi3): Use '!' comment character.
26476 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26478 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
26480 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
26482 * gcc.c: Update URLs and mail addresses.
26483 * gcc.texi: Likewise.
26485 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
26487 * rs6000.c (current_file_function_operand): Return zero for
26489 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
26491 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
26494 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
26496 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
26497 allocate space in the stack frame for the PIC register.
26499 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
26501 * m68k.md (xordi3, anddi3): These patterns are not available on
26504 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
26506 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
26507 (PUT_REAL): Likewise.
26509 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26511 * final.c (shorten_branches): Don't add an alignment for loops
26512 that have no label inside.
26514 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26516 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
26517 prototypes in macro HAVE_cmpstrsi.
26519 * cpplib.c (cpp_get_token): Remove unused label `op3'.
26521 * emit-rtl.c (operand_subword): Remove unused variable
26524 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
26526 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
26528 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
26530 * cpphash.c (macroexpand): Delete leading whitespace when arg
26531 is concatenated before.
26532 (unsafe_chars): Correct test for whether + and - can extend a
26535 * cppinit.c (cpp_start_read): Do dependencies for
26536 -include/-imacros files also.
26538 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
26539 tokenizing non-directive lines.
26540 (cpp_expand_to_buffer): Temporarily disable no-output mode.
26541 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
26544 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
26546 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
26548 * c-lex.c: Sync with C++ frontend.
26549 (linemode): New variable.
26550 (parse_float): imag, conversion_errno, and type are output only.
26551 (yylex): Adjust. Move initial '.' case into main switch.
26553 (handle_generic_pragma): Just deal with tokens.
26554 (readescape): Use ISXDIGIT and ISGRAPH.
26555 * c-parse.in: Add END_OF_LINE token.
26557 * c-lex.c (lang_init): Generalize.
26558 (nextchar): Remove. Replace uses with UNGETC.
26559 (skip_white_space): Handle linemode here. Optimize for cpplib.
26560 (skip_white_space_on_line): Remove.
26561 (extend_token_buffer_to): New fn.
26562 (extend_token_buffer): Use it.
26563 (read_line_number, check_newline): Just deal with tokens.
26564 (token_getch, token_put_back): New fns.
26565 (yylex): Use them. More cpplib optimizations. Simplify.
26567 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
26568 Jason Merrill <jason@yorick.cygnus.com>
26570 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
26571 (consume_string): Make this smart about USE_CPPLIB.
26572 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
26573 (yylex): Rewrite to be intelligent about USE_CPPLIB.
26574 Also, clean up cases where we redundantly set token_buffer[0].
26575 (read_line_number): New fn.
26576 (ignore_escape_flag): New variable.
26578 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
26580 * a29k/t-a29kbare: Fix some comments.
26581 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
26582 (FPBIT, DPBIT): Define.
26583 * a29k/t-vx29k: Likewise.
26584 * arc/t-arc: Likewise.
26585 * arm/t-arm-elf: Likewise.
26586 * arm/t-bare: Likewise.
26587 * arm/t-pe: Likewise.
26588 * arm/t-pe-thumb: Likewise.
26589 * arm/t-semi: Likewise.
26590 * arm/t-thumb: Likewise.
26591 * arm/t-thumb-elf: Likewise.
26592 * arm/t-thumb-linux: Likewise.
26593 * h8300/t-h8300: Likewise.
26594 * i960/t-i960: Likewise.
26595 * i960/t-vxworks960: Likewise.
26596 * m32r/t-m32r: Likewise.
26597 * mips/t-ecoff: Likewise.
26598 * mips/t-elf: Likewise.
26599 * mips/t-r3900: Likewise.
26600 * pa/t-pro: Likewise.
26601 * rs6000/t-aix43: Likewise.
26602 * rs6000/t-beos: Likewise.
26603 * rs6000/t-newas: Likewise.
26604 * rs6000/t-ppccomm: Likewise.
26605 * rs6000/t-rs6000: Likewise.
26606 * rs6000/t-winnt: Likewise.
26607 * rs6000/t-xnewas: Likewise.
26608 * rs6000/t-xrs6000: Likewise.
26609 * sh/t-sh: Likewise.
26610 * sparc/t-elf: Likewise.
26611 * sparc/t-sparcbare: Likewise.
26612 * sparc/t-sparclite: Likewise.
26613 * sparc/t-splet: Likewise.
26614 * v850/t-v850: Likewise.
26615 * mn10200/t-mn10200: Fix comments.
26616 * mn10300/t-mn10300: Likewise.
26618 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
26619 dummy operand. Allocate a new pseudo for the dummy operand.
26620 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
26622 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
26624 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
26626 * configure: Rebuilt.
26627 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
26629 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
26631 * recog.c (preproces_constraints): Zero recog_op_alt before
26632 processing the constraints.
26634 * arm.c (typedef minipool_node): Renamed from pool_node.
26635 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
26636 (add_minipool_constant): New function.
26637 (dump_minipool): New function.
26638 (find_barrier): Remove special case for getting the insn size of
26639 an insn that references the constant pool.
26640 (minipool_fixup): New structure.
26641 (push_minipool_barrier): New function.
26642 (push_minipool_fix): New function.
26643 (note_invalid_constants): New function.
26644 (add_pool_constant, dump_table, fixit, broken_move): Delete.
26645 (arm_reorg): Rewrite code to fix up the constant pool into a
26646 series of mini-pools embedded in the insn stream.
26647 (arm_output_epilogue): New function, made mainly from the body
26648 of output_func_epilogue.
26649 (output_func_epilogue): Move insn generation part of epilogue code
26650 to arm_output_epilogue.
26651 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
26652 * arm.md (pool_range): New attribute.
26653 (zero_extendqidi2): Add attribute pool_range.
26654 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
26655 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
26656 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
26657 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
26658 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
26659 (epilogue): New expand.
26660 (epilogue_insn): New insn. Call arm_output_epilogue.
26662 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
26663 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
26665 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
26667 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
26669 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
26671 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
26673 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
26675 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
26677 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
26679 * global.c: Fix comment.
26681 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
26683 * gcc.c (access_check): New static function.
26684 (find_a_file): Use it when searching a directory list.
26685 * collect2.c (find_a_file): Don't accept directories found when
26686 searching a directory list.
26688 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
26690 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
26691 function parameters with `&'.
26692 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
26694 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
26696 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
26697 or tidy_fallthru_edge if the last insn in the block is not
26698 an unconditional jump or a simple conditional jump.
26700 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26702 * Makefile.in (c-decl.o): Depends on defaults.h.
26704 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
26706 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
26708 (CLASS_MAX_NREGS): Likewise.
26710 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
26712 * cse.c (cse_insn): Fix dumb thinko in last change.
26714 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26716 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
26719 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
26721 * dwarf2out.c (add_location_or_const_value_attribute): Correct
26722 test for sizes of passed and declared parameter types.
26724 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26726 * fixincludes: Fix the return type of bsearch, char* -> void*.
26728 * fixinc/inclhack.def: Likewise.
26730 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
26732 * invoke.texi (-fdump-translation-unit): New option.
26734 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
26736 * expr.h (PROMOTE_PROTOTYPES): Move ...
26737 * defaults.h: ... to here.
26738 * c-decl.c: Include defaults.h instead of expr.h.
26739 * c-typeck.c: Include defaults.h.
26741 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
26743 * toplev.h (errorcount): Declare.
26744 (warningcount): Likewise.
26745 (sorrycount): Likewise.
26746 * c-lex.c (errorcount): Don't declare.
26747 * dwarf2out.c (errorcount): Don't declare.
26749 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
26751 * config/libgloss.h: Add a note discouraging use with ELF.
26752 * configure.in: Don't use libgloss.h for ELF targets.
26753 Always use_collect2 on a.out targets.
26755 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
26757 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
26758 (force_to_mode, case ASHIFTRT): Add shiftrt label.
26760 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26762 * loop.c (strength_reduce): When doing biv->giv conversion, update
26763 reg note of NEXT->insn.
26765 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
26767 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
26769 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
26771 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
26772 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
26773 Ensure expr.h is included.
26774 * c-typecheck.c (convert_arguments): Ditto.
26776 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
26778 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
26779 * config/convex/convex.h: Ditto.
26780 * config/dsp16xx/dsp16xx.h: Ditto.
26781 * config/fx80/fx80.h: Ditto.
26782 * config/gmicro/gmicro.h: Ditto.
26783 * config/i370/i370.h: Ditto.
26784 * config/i386/i386.h: Ditto.
26785 * config/m32r/m32r.h: Ditto.
26786 * config/m68k/m68k.h: Ditto.
26787 * config/m88k/m88k.h: Ditto.
26788 * config/mips/mips.h: Ditto.
26789 * config/pa/pa.h: Ditto.
26790 * config/pyr/pyr.h: Ditto.
26791 * config/tahoe/tahoe.h: Ditto.
26792 * config/we32k/we32k.h: Ditto.
26794 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
26795 based on arch size.
26797 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
26799 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
26802 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
26804 1999-08-02 Richard Henderson <rth@cygnus.com>
26806 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
26807 for the register spill block.
26808 (m32r_va_arg): New.
26809 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
26810 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
26812 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
26813 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
26814 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
26816 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
26818 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
26819 MAX_WCHAR_TYPE defined in sparc.h.
26820 * config/sparc/linuxaout.h: Likewise.
26821 * config/sparc/linux64.h: Likewise.
26822 Also default to -mvis if CPU is UltraSPARC.
26824 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
26826 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
26827 (RTX_OK_FOR_OLO10): Likewise.
26828 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
26829 %lo(), allow it in addresses...
26830 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
26831 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
26832 does not make sense.
26833 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
26834 (sparc_output_scratch_registers): New function.
26835 (output_function_prologue, sparc_flat_output_function_prologue): Use
26837 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
26839 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
26840 * configure.in: Add check for .register pseudo-op support in as and
26841 check for offsetable %lo().
26842 * acconfig.h: Add templates for the above checks.
26843 * configure: Regenerate.
26845 1999-08-02 Richard Henderson <rth@cygnus.com>
26847 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
26848 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
26849 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
26851 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26853 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
26856 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
26858 * config/float-sparc.h: New file.
26859 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
26860 sparc-*-linux-gnu and sparc64-*-linux*.
26862 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26864 * rs6000.c (rs6000_va_list): Type is an array.
26865 (rs6000_va_start): Don't doubly adjust for varargs.
26866 (rs6000_va_arg): Evaluate long long GPR adjustment.
26868 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
26870 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
26871 -maix64 and -maix32.
26872 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
26873 LINK_SPEC): Change appropriately.
26874 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
26875 (u_short_cint_operand): Likewise.
26876 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
26878 * rs6000/t-aix43 (MULTILIB): Change to -m64.
26880 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
26882 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
26884 * rs6000/rs6000.c (num_insns_constant_wide): Correct
26885 for type promotion.
26886 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
26887 (non_add_cint_operand): Likewise.
26888 (logical_operand): Likewise.
26889 (non_logical_cint_operand): Likewise.
26890 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
26891 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
26892 (rs6000_select_rtx_section): Suppress warning.
26893 (small_data_operand): Suppress warning.
26894 (rs6000_got_register): Suppress warning.
26895 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
26896 type, so `J' is generally the wrong constraint for a SImode value;
26898 (andsi3_internal2): Likewise.
26899 (andsi3_internal3): Likewise.
26900 (iorsi3_internal1): Likewise.
26901 (xorsi3_internal1): Likewise.
26903 (movsf_softfloat): Likewise.
26904 (scc insns): Likewise.
26905 (movsi+2): Preserve sign bits of SImode constant.
26906 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
26907 (movdf+1): Sign-extend properly.
26908 (movdi_32+1): Sign-extend properly.
26909 (scc insns): Sign-extend properly.
26911 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
26914 1999-08-02 Richard Henderson <rth@cygnus.com>
26916 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
26917 -mcpu parsing code.
26918 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
26919 * alpha.md (all fp insns): Likewise.
26921 1999-08-02 Nick Clifton <nickc@cygnus.com>
26923 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
26926 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
26928 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
26929 pic_load_label generator directly.
26930 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
26931 No longer a named pattern.
26933 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
26935 * explow.c (force_reg): Call force_operand if X does not
26936 satisfy general_operand.
26938 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
26940 * fix-header.c (main): When testing for CONTINUED, use string
26941 equality, not pointer equality.
26943 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
26945 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
26947 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
26949 * cse.c (cse_insn): Fix loop which deletes insns after a jump
26950 that has become an unconditional jump.
26952 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
26953 (output_function_epilogue): Similarly.
26955 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26957 * tree.h (init_dummy_function_start): Declare.
26959 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26961 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
26962 last_expr_type, last_expr_value, block_start_count, block_stack,
26963 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
26964 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
26965 dynamically in stmt elt of struct function for each function.
26966 (struct nesting): Rename function_call_count elt to n_function_calls,
26967 target_temp_slot_level to block_target_temp_slot_level. All users
26969 (struct stmt_status): New structure definition.
26970 Add many accessor macros for stmt_status elements which previously
26971 were global variables.
26972 (init_stmt_for_function): Allocate stmt elt for current_function.
26973 Reflect that block_start_count was renamed to
26974 current_block_start_count.
26975 (save_stmt_status, restore_stmt_status): Delete functions.
26976 (preserve_subexpressions_p): Don't access loop_stack when outside
26978 (expand_start_bindings): Reflect that block_start_count was renamed to
26979 current_block_start_count.
26980 (expand_fixup): Likewise.
26981 (expand_decl): Don't access block_stack when outside a function.
26982 (expand_decl_cleanup): Likewise.
26983 (expand_dcc_cleanup): Likewise.
26984 (expand_dhc_cleanup): Likewise.
26985 (expand_anon_union_decl): Likewise.
26986 (set_file_and_line_for_stmt): New function.
26987 (in_control_zone_p): New function.
26989 * function.h (struct function): Add new elt stmt.
26990 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
26991 case_stack, nesting_stack, nesting_depth, block_start_count,
26992 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
26993 emit_lineno, goto_fixup_chain.
26994 (save_eh_status, restore_eh_status, save_stmt_status,
26995 restore_stmt_status): Delete declarations.
26996 * function.c (push_function_context_to): Don't call save_stmt_status.
26997 (pop_function_context_to): Don't call restore_stmt_status.
26998 * tree.h (in_control_zone_p): Declare.
26999 * rtl.h (set_file_and_line_for_stmt): Declare.
27001 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
27002 call set_file_and_line_for_stmt.
27004 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
27006 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
27007 Also update copyright.
27009 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
27011 * c-pragma.c: Don't include "except.h".
27012 * emit-rtl.c: Likewise.
27013 * stor-layout.c: Likewise.
27014 * tree.c: Likewise.
27015 * varasm.c: Likewise.
27017 * flow.c: Include "function.h".
27018 * tree.h (init_dummy_function_start): Declare new function.
27020 * except.h (struct eh_status): New structure.
27021 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
27023 (eh_return_stub_label, ehstack, catchstack, ehqueue,
27024 catch_clauses, false_label_stack, caught_return_label_stack,
27025 protect_list, current_function_ehc): Add accessor macros for the
27026 corresponding fields in current_function->eh; delete declarations
27027 for all items that used to be declared here.
27028 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
27029 catch_clauses, false_label_stack, caught_return_label_stack,
27030 protect_list, current_function_ehc): Delete variables.
27031 (init_eh_for_function): Allocate current_function->eh.
27032 (save_eh_status, restore_eh_status): Delete functions.
27034 * function.h (struct function): Add fields next_global and eh.
27035 Delete all exception handling related fields.
27036 * function.c (current_function): New variable.
27037 (all_functions): New variable.
27038 (push_function_context_to): Don't allocate a struct function,
27039 use current_function instead. Call init_dummy_function_start when
27040 outside a function. Clear current_function before returning.
27041 (pop_function_context_from): Restore current_function.
27042 Don't free the restored struct function.
27043 (prepare_function_start): New function.
27044 (init_dummy_function_start): New function.
27045 (init_function_start): Break out some code into prepare_function_start
27048 * stmt.c (save_stmt_status): Don't call save_eh_status.
27049 (restore_stmt_status): Don't call restore_eh_status.
27051 * Makefile.in: Update dependencies.
27053 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
27055 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
27056 of depending on a magic constant value. Update comments.
27057 (hppa_expand_prologue): Similarly.
27059 * pa.md (reload_indi, reload_outdi): Allow any register for the
27060 original reload register.
27062 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
27064 * cccp.c (print_help): Change marcos to macros.
27066 1999-07-30 Richard Henderson <rth@cygnus.com>
27068 * c-typeck.c (initializer_constant_valid_p): Move ...
27069 * c-common.c (initializer_constant_valid_p): ... here. Use
27070 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
27071 of label addresses.
27072 * c-common.h (initializer_constant_valid_p): Declare.
27073 * c-tree.h (initializer_constant_valid_p): Remove.
27075 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
27077 * config/i386/sol2-c1.asm: Align the stack.
27078 * config/i386/sol2-gc1.asm: Likewise.
27080 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
27082 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
27083 -Asparclite for sparc86x.
27084 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
27086 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
27088 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
27090 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
27091 the user if using the non-default arch size in BI_ARCH configuration.
27092 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
27094 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
27095 Fix patterns so that they actually match.
27096 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
27097 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
27098 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
27100 (mulsidi3): Reflect this in the expand.
27101 (smulsi3_highpart): Only on TARGET_ARCH32.
27102 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
27103 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
27104 (umulsidi3): Reflect this in the expand.
27105 (umulsi3_highpart): Only on TARGET_ARCH32.
27106 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
27107 don't require g0 to be zero.
27108 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
27109 ({,u}divsi3): New expands.
27110 ({,u}divsi3_sp64): New patterns.
27111 (after lshrdi3_v8plus): Four new patterns to help combiner
27112 optimizing nested mixed mode shifts.
27114 * config/sparc/sparc.c (sparc_override_options): Use deprecated
27115 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
27116 speed things up. Don't use them by default on plain v9 in 64bit
27117 mode, according to what SPAMv9 sais.
27119 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
27120 top 32 bits of %[og][0-7] in signal handlers.
27121 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
27123 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
27125 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
27126 (ashlsi3): Corresponding changes.
27128 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
27130 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
27132 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
27134 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
27136 * arm.h (Hint): Delete macro.
27137 Substitute HOST_WIDE_INT for Hint in some prototypes.
27138 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
27140 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
27142 * builtins.c (expand_builtin_setjmp): Use force_operand to
27143 make sure that the buffer address is in a suitable form to be
27144 passed to force_reg.
27146 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
27148 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
27151 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
27153 * pa.md (indirect_jump): Remove mode from match_operand. Verify
27154 proper mode in the condition string.
27155 (icacheflush, dcacheflush): Remove modes from match_operands.
27157 * pa.c (emit_move_sequence): Always convert scratch_reg to the
27158 proper mode before using it.
27160 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
27163 * pa.c (store_reg): Do not call add_high_const generator directly.
27164 (load_reg, set_reg_plus_d): Likewise.
27165 * pa.md (add_high_const): No longer a named pattern.
27167 * pa.c (legitimize_address): Consistently use Pmode rather than
27168 SImode. Do not call gen_pic2_highpart directly anymore.
27169 * pa.md (pic2_highpart): No longer a named pattern.
27170 (pic2_lo_sum): Similarly. Reformat to make more readable.
27172 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
27177 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
27179 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
27181 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
27183 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
27184 and tag the spill mems.
27185 (hppa_va_start): New.
27186 (hppa_va_arg): New.
27187 * pa.h (EXPAND_BUILTIN_VA_START): New.
27188 (EXPAND_BUILTIN_VA_ARG): New.
27190 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
27192 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
27193 and tag the spill mems.
27194 (mn10300_va_start): New.
27195 (mn10300_va_arg): New.
27196 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
27197 (EXPAND_BUILTIN_VA_ARG): New.
27199 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
27201 * mn10200.c (mn10200_va_arg): New.
27202 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
27204 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
27206 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
27207 rather than play with TREE_INT_CST_LOW.
27209 1999-07-27 Philip Blundell <pb@nexus.co.uk>
27211 * config/arm/telf.h: Include dbxelf.h.
27212 (CPP_PREDEFINES): Only define if not already defined.
27213 (ASM_IDENTIFY_GCC): Likewise.
27214 (SUBTARGET_EXTRA_SECTIONS): Likewise.
27215 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
27216 * config/arm/thumb.h (LINK_SPEC): Only define if not already
27218 (DBX_DEBUGGING_INFO): Don't define.
27219 * config/arm/linux-telf.h: New file.
27220 * config/arm/linux-tgas.h: New file.
27221 * config/arm/t-thumb-linux: New file.
27222 * config/arm/uclinux-elf.h: New file.
27223 * config/arm/uclinux-telf.h: New file.
27224 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
27225 thumb-*-uclinux): New targets.
27226 * configure: Regenerate.
27228 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
27230 * pa.md (post_store, pre_load): New expanders.
27231 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
27232 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
27233 need to directly generate RTL for them.
27234 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
27237 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
27239 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
27240 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
27241 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
27242 (secndary_reload_class): Make TARGET_ELF conditional compile.
27243 (print_operand_address): Similar.
27244 (output_toc): Print all values as hex.
27245 (get_issue_rate): Rearrange and add RS64A and PPC630.
27246 * rs6000.h (processor_type): Add RS64A and PPC630.
27247 (PROCESSOR_POWERPC64): New.
27248 (PROMOTE_MODE): Use word_mode.
27249 (RTX_COSTS): Add RS64A and PPC630.
27250 * rs6000.md (scheduling information): Add lmul and ldiv
27251 representing 64-bit integer multiply and divide. Add rs64a and
27252 PPC630 information.
27253 (ashldi3): Add support for "rldic" instruction.
27254 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
27256 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
27258 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
27259 instead of V8 for sparclite86x in cpu_table.
27261 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
27263 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
27264 output_file_directive.
27266 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
27268 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
27269 tree for op1, not the rtl.
27271 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
27273 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
27274 to m88k_va_start, leaving only the register spill.
27275 (m88k_build_va_list): New.
27276 (m88k_va_start): New.
27277 (m88k_va_arg): New.
27278 * m88k.h (BUILD_VA_LIST_TYPE): New.
27279 (EXPAND_BUILTIN_VA_START): New.
27280 (EXPAND_BUILTIN_VA_ARG): New.
27282 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
27284 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
27285 Rename from expand_builtin_saveregs.
27286 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
27288 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
27290 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
27291 for the register spill block.
27292 (i960_build_va_list): New.
27293 (i960_va_start): New.
27294 (i960_va_arg): New.
27295 * i960.h (BUILD_VA_LIST_TYPE): New.
27296 (EXPAND_BUILTIN_VA_START): New.
27297 (EXPAND_BUILTIN_VA_ARG): New.
27298 * i960.md (store_multiple): Use change_address on individul mems.
27300 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
27302 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
27304 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
27305 (expand_builtin_va_end): Evaluate arg for side effects.
27306 * c-common.c (c_common_nodes_and_builtins): Construct a
27307 va_list_arg_type_node to handle array decomposition to pointer.
27309 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
27311 * except.c (st_dynamic_cleanup): Use force_operand on the
27314 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
27316 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
27317 * c4x.c (c4x_va_arg): New.
27319 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
27321 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
27322 has manual_pop set.
27324 1999-07-26 Nathan Sidwell <nathan@acm.org>
27326 * eh-common.h (__eh_matcher): Prototype correctly.
27328 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
27330 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
27331 (TARGET_SINGLE_PIC_BASE): Likewise.
27332 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
27334 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
27335 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
27336 (TARGET_OPTIONS): Add -mpic-register=N.
27337 (OUTPUT_INT_ADDR_CONST): New macro.
27338 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
27339 LEGITIMATE_PIC_OPERAND_P): Likewise.
27340 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
27341 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
27342 output_addr_const directly.
27343 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
27345 (thumb_pic_register, thumb_pic_register_string): Declare.
27347 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
27349 (label_mentioned_p): New function: Imported from arm.c.
27350 (legitimize_pic_address): New function: Imported from arm.c.
27351 (is_pic):New function: Imported from arm.c.
27352 (thumb_finalize_pic):New function: Imported from arm.c.
27353 (add_constant): Cope with PIC constants.
27354 (fixit): Cope with PIC constants.
27355 (output_return): Do not treat the PIC register as live if
27356 TARGET_SINGLE_PIC_BASE is true.
27357 (thumb_function_prologue): Do not treat the PIC register as live if
27358 TARGET_SINGLE_PIC_BASE is true.
27359 (thumb_expand_prologue): Do not treat the PIC register as live if
27360 TARGET_SINGLE_PIC_BASE is true.
27361 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
27362 TARGET_SINGLE_PIC_BASE is true.
27363 (thumb_print_operand): Accept '|'.
27364 (thumb_override_options): Process PIC options.
27366 * config/arm/thumb.md (movsi): Support PIC.
27367 (call_insn): Change "i" constraint to "X".
27368 (call_value_insn): Likewise.
27369 (consttable_4, consttable_8, consttable_end): Set and clear
27370 "making_const_table" as appropriate.
27371 (pic_load_addr, pic_add_dot_plus_four): New insns.
27373 * invoke.texi (Thumb Options): Fix spelling. Document new
27374 options -msingle-pic-base and -mpic-register=.
27376 1999-07-26 Andrew Haley <aph@cygnus.com>
27378 * config/m32r/initfini.c (__init): Use a full word immediate for
27379 __fini: this allows it to be placed in any memory region.
27381 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
27382 -mmodel=medium. This is OK for all memory models.
27384 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
27386 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
27387 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
27389 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
27391 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
27394 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
27396 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
27398 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
27399 (BUILD_VA_LIST_TYPE): New.
27400 (EXPAND_BUILTIN_VA_START): New.
27401 (EXPAND_BUILTIN_VA_ARG): New.
27402 * i860.c (output_delayed_branch): Disable.
27403 (output_delay_insn): Likewise.
27404 (i860_saveregs): New.
27405 (i860_build_va_list): New.
27406 (i860_va_start): New.
27407 (i860_va_arg): New.
27408 * i860.md: Disable all peepholes using output_delayed_branch.
27409 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
27411 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
27413 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
27414 (BUILD_VA_LIST_TYPE): New.
27415 (EXPAND_BUILTIN_VA_START): New.
27416 (EXPAND_BUILTIN_VA_ARG): New.
27417 * clipper.c (clipper_builtin_saveregs): Only dump registers.
27418 Return the address of the save area.
27419 (clipper_build_va_list): New.
27420 (clipper_va_start): New.
27421 (clipper_va_arg): New.
27423 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
27425 * arc.h (EXPAND_BUILTIN_VA_START): New.
27426 (EXPAND_BUILTIN_VA_ARG): New.
27427 * arc.c (arc_setup_incoming_varargs): Set alias set of
27429 (arc_va_start): New.
27432 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
27434 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
27435 (BUILD_VA_LIST_TYPE): New.
27436 (EXPAND_BUILTIN_VA_START): New.
27437 (EXPAND_BUILTIN_VA_ARG): New.
27438 * alpha.c (alpha_builtin_saveregs): Delete.
27439 (alpha_build_va_list): New.
27440 (alpha_va_start): New.
27441 (alpha_va_arg): New.
27443 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
27445 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
27447 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
27448 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
27450 * gcc.texi: More changes related to list conversion.
27451 * invoke.texi: Likewise.
27453 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
27455 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
27456 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
27457 (expand_builtin_next_arg): Accept ARGLIST not EXP.
27458 (stabilize_va_list): New function.
27459 (std_expand_builtin_va_start): New function.
27460 (expand_builtin_va_start): New function.
27461 (get_varargs_alias_set): New function.
27462 (std_expand_builtin_va_arg): New function.
27463 (expand_builtin_va_arg): New function.
27464 (expand_builtin_va_end): New function.
27465 (expand_builtin_va_copy): New function.
27466 (expand_builtin): Call them.
27467 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
27468 __builtin_{varargs_start,stdarg_start,end,copy}.
27469 (build_va_arg): New function.
27470 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
27471 (build_va_arg): Declare.
27472 * c-decl.c (ptr_type_node, va_list_type_node): New.
27473 * c-parse.gperf (__builtin_va_arg): New.
27474 * c-parse.in (VA_ARG): New token.
27475 (unary_expr): Recognize it.
27476 * expr.c (expand_expr): Expand VA_ARG_EXPR.
27477 * expr.h (std_expand_builtin_va_start): Declare.
27478 (std_expand_builtin_va_arg): Declare.
27479 (expand_builtin_va_arg): Declare.
27480 (get_varargs_alias_set): Declare.
27481 * tree.def (VA_ARG_EXPR): New.
27482 * tree.h (BUILT_IN_VARARGS_START): New.
27483 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
27484 (ptr_type_node, va_list_type_node): Declare.
27485 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
27486 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
27487 * m88k.h, m88k.c: Likewise.
27488 * mn10300.h, mn10300.c: Likewise.
27489 * pa.h, pa.c: Likewise.
27490 * rs6000.h, rs6000.c: Likewise.
27491 * sh.h, sh.c: Likewise.
27492 * sparc.h, sparc.c: Likewise.
27494 * emit-rtl.c (operand_subword): Copy alias set.
27495 (change_address): Likewise.
27497 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
27499 * pa.c (compute_frame_size): Scan all the used callee saved registers,
27500 not just the first one.
27502 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
27504 * config/arm/arm.h (TARGET_SWITCHES): Add
27505 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
27506 (TARGET_OPTIONS): Add -mpic-register=.
27507 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
27508 (arm_pic_register_string): Declare.
27509 (NEED_PLT_GOT): Delete, replace with ...
27510 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
27511 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
27512 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
27513 * config/arm/arm.c (arm_override_options): Add new option
27515 (arm_pic_register_string): New variable.
27516 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
27517 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
27518 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
27519 (output_return_instruction): Likewise.
27520 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
27521 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
27522 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
27524 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
27525 mention of -msched-prolog. Document new options -msingle-pic-base
27526 and -mpic-register=.
27528 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
27530 * haifa-sched.c (reemit_notes): Tidy.
27531 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
27534 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
27536 * explow.c (trunc_int_for_mode): New function.
27537 (plus_constant_wide): Use it.
27538 * combine.c (simplify_and_const_int): Likewise.
27539 (merge_outer_ops): Likewise.
27540 (simplify_shift_const): Likewise.
27541 * cse.c (simplify_unary_operation): Likewise.
27542 (simplify_binary_operation): Likewise.
27543 * emit-rtl.c (operand_subword): Likewise.
27544 * rtl.h: Declare it.
27546 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
27548 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
27549 (use NUM_REGS instead of NUM_INTS).
27551 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
27553 * builtins.c: New file.
27554 * expr.c (saveregs_value, apply_args_value): Delete definition,
27555 moved into builtins.c.
27556 (string_constant): No longer static.
27557 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
27558 apply_args_size, apply_result_size, result_vector,
27559 expand_builtin_apply_args, expand_builtin_apply,
27560 expand_builtin_return): Delete functions, moved into builtins.c.
27561 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
27562 * expr.h (saveregs_value, apply_args_value): Declare variables.
27563 (expand_builtin, string_constant): Declare functions.
27564 * Makefile.in: Update to build builtin.o.
27566 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
27568 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
27569 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
27570 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
27571 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
27573 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
27576 1999-07-21 Michael Meissner <meissner@cygnus.com>
27578 * print-rtl.c (print_rtx): Print the names of the virtual
27581 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
27583 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
27584 introduced in previous delta.
27586 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
27588 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
27589 to avoid name clash.
27591 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
27593 * c-lex.c (yylex) : Correct the test for overflow when lexing
27596 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
27598 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
27599 (adjust_priority): Always call ADJUST_PRIORITY.
27600 (schedule_insn): Only put insns into the ready at cost 0.
27601 (schedule_block): Remove redundant initial sort. Give clock_var
27602 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
27604 * tm.texi (MD_SCHED_REORDER): Update docs.
27606 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
27607 * sparc.c (ultra_reorder_called_this_block): Delete.
27608 (ultrasparc_sched_init): Don't set it.
27609 (ultrasparc_sched_reorder): Don't check it.
27611 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
27613 * rs6000.h (struct rs6000_args): Add sysv_gregno.
27614 * rs6000.c (init_cumulative_args): Init sysv_gregno.
27615 (function_arg_boundary): Align DFmode.
27616 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
27617 to get fp reg and stack overflow correct.
27618 (function_arg): Likewise.
27619 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
27620 (setup_incoming_varargs): Restructure for ABI_V4; use
27621 function_arg_advance to skip final named argument.
27622 (expand_builtin_saveregs): Properly unskip the last integer arg
27623 when doing varargs. Adjust overflow location calculation.
27625 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
27626 explicitly unsigned.
27627 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
27628 (__VA_GP_REGSAVE): Similarly.
27629 (__va_longlong_p): Delete.
27630 (__va_arg_type_violation): New declaration.
27631 (va_arg): Restructure. Flag promotion errors. Align double.
27632 TFmode passed by reference.
27634 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
27635 in the HOST_BITS_PER_WIDE_INT > 32 case.
27637 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
27639 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
27641 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
27643 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
27644 * toplev.c (documented_lang_options): Add -fpreprocessed.
27645 * cpplib.h (struct cpp_buffer): Add preprocessed.
27646 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
27647 (cpp_start_read): Don't expand macros or emit an initial #line
27648 directive if -fpreprocessed.
27650 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
27652 * cpplib.h (struct cpp_buffer): Added manual_pop for
27653 better C++ tokenization.
27654 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
27655 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
27656 * c-common.c (cpp_token): Make non-static.
27658 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
27660 * c-common.h: New file.
27661 * c-common.c (permanent_obstack): Delete unused declaration.
27662 (c_global_trees): New array.
27663 (c_common_nodes_and_builtins): New function; split off common code
27664 from init_decl_processing in both c-decl.c and cp/decl.c.
27665 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
27666 c_global_trees and accessor macros defined in c-common.h.
27667 Include c-common.h.
27668 * c-decl.c: Delete definitions for tree nodes that were replaced by
27670 (init_decl_processing): Build void_list_node.
27671 Call c_common_nodes_and_builtins; delete code to generate the common
27673 * objc/objc-act.c (build_module_descriptor): Rename variable
27674 void_list_node to avoid clash with c-common.h.
27676 * Makefile.in: Update dependencies.
27677 * objc/Make-lang.in: Likewise.
27679 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
27681 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
27682 (UNIQUE_SECTION_P): Likewise.
27683 (UNIQUE_SECTION): Likewise.
27685 1999-07-19 Linas Vepstas <linas@linas.org>
27687 * config/i370/README: New file.
27688 * config/i370/linux.h: New file.
27689 * config/i370/mvs.h: New file.
27690 * config/i370/oe.h: New file.
27691 * config/i370/t-linux: New file.
27692 * config/i370/t-mvs: New file.
27693 * config/i370/t-oe: New file.
27694 * config/i370/x-oe: New file.
27695 * config/i370/xm-linux.h: New file.
27696 * config/i370/xm-mvs.h: New file.
27697 * config/i370/xm-oe.h: New file.
27699 * i370.c (label_node_t): Add first_ref_page, label_addr,
27700 label_first_ref, label_last_ref members.
27701 (mvs_need_base_reload): Renamed from mvs_label_emitted.
27702 (MAX_MVS_LABEL_SIZE): Define.
27703 (MAX_LONG_LABEL_SIZE): Define.
27704 (alias_node_t, alias_anchor, alias_number): New.
27705 (mvs_function_table): Reorder for EBCDIC.
27706 (ascebc, ebcasc): Unconditionally define.
27707 (i370_branch_dest, i370_branch_length): New functions.
27708 (i370_short_branch, i370_label_scan): New functions.
27709 (mvs_get_label): Renamed from mvs_add_label. Search for
27710 an existing label before creating a new one.
27711 (mvs_add_label): New function.
27712 (mvs_get_label_page): New function.
27713 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
27714 over the entire list.
27715 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
27716 (mvs_check_page) [TARGET_ELF_ABI]: New function.
27717 (mvs_add_alias, mvs_need_alias): New functions.
27718 (mvs_get_alias, mvs_check_alias): New functions.
27719 (handle_pragma): New function.
27720 (mvs_function_check): New function.
27721 (unsigned_jump_follows_p): Search harder.
27722 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
27723 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
27724 * i370.h (TARGET_VERSION): Delete.
27725 (CPP_SPEC, CPP_PREDEFINES): Delete.
27726 (mvs_label_emitted): Delete.
27727 (TARGET_EBCDIC): Delete.
27728 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
27729 (HANDLE_PRAGMA): Define.
27730 (HARD_REGNO_NREGS): Handle complex modes.
27731 (HARD_REGNO_MODE_OK): Likewise.
27732 (CLASS_MAX_NREGS): Likewise.
27733 (RET_REG): Likewise.
27734 (EXTRA_CONSTRAINT): Define.
27735 (RETURN_IN_MEMORY): True for DImode.
27736 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
27737 (FUNCTION_PROFILER): Delete.
27738 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
27739 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
27740 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
27741 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
27742 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
27743 (ASM_FILE_START): Add "RMODE ANY".
27744 (ASM_OUTPUT_EXTERNAL): Check for aliases.
27745 (ASM_GLOBALIZE_LABEL): Likewise.
27746 (ASM_OUTPUT_LABELREF): Likewise.
27747 (ASM_OUTPUT_COMMON): Likewise.
27748 (PRINT_OPERAND): Handle 'K', 'W', default.
27749 (PRINT_OPERAND_ADDRESS): New.
27750 (Lots of defines): Add support for TARGET_ELF_ABI.
27751 * i370.md (attr length): New. Define for all patterns.
27752 (*): Lots of tweeks to assembly output and constraints.
27754 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
27756 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
27757 Disable patterns performing SImode comparisons with SImode values
27758 if TARGET_POWERPC64 and instruction does not sign-extend or does
27759 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
27760 differ for signed quantities.
27761 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
27762 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
27763 (decrement_and_branch_on_count): Add 64-bit variant.
27765 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
27767 * final.c (output_asm_insn): When searching for the matching string
27768 for a given dialect, don't run past the end of the list of
27769 alternatives if there are fewer alternatives in the template than
27772 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
27774 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
27775 Removed paragraph about compression of files and size limitation,
27776 duplicated in the FAQ. Use gcc-patches for posting patches.
27777 * gcc.c (main): Updated URL with bug reporting instructions to
27778 gcc.gnu.org. Removed e-mail address.
27779 * system.h (abort): Likewise.
27781 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
27783 * Makefile.in (stmp-multilib-sub): Make the files extracted
27784 from $(LIBGCC1) writable.
27786 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
27788 * config/arm/aout.h: Reformat for improved readability.
27790 * config/arm/arm.h: Reformat for improved readability.
27791 Replace uses of fprintf with asm_fprintf where appropriate.
27792 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
27793 function declaration assembler actions.
27794 (NUM_INTS): New macro: Convert from bytes to words.
27795 (NUM_REGS): New macro: Compute number of registers required to
27796 hold a quanitity of tyep MODE.
27797 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
27799 (NUM_ARG_REGS): New macro: The number of argument registers
27801 (ARG_REGISTER): New macro: Compute the register number of the Nth
27803 (LAST_ARG_REGNUM): New macro: The number of the last argument
27805 (SP_REGNUM): New macro: Register number of the stack pointer.
27806 (FP_REGNUM): New macro: Register number of the frame pointer.
27807 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
27808 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
27809 CUMULATIVE_ARGS so that it counts registers not bytes.
27811 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
27813 Replace uses of fprintf with asm_fprintf where appropriate.
27814 (output_ascii_pseudo_op): Replace with version from thumb.c
27816 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
27818 * config/arm/elf.h (CPP_PREDEFINES): Replace with
27819 SUBTARGET_CPP_SPEC.
27820 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
27821 (ASM_FILE_START): Emit ASM_APP_OFF.
27823 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
27825 * pa.c (compute_frame_size): Round frame according to
27826 STACK_BOUNDARY rather than a hardwired value.
27828 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
27830 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
27832 * configure: Rebuilt.
27834 * configure.in (hppa*-*-linux*): New configuration.
27835 * configure: Rebuilt.
27836 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
27837 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
27838 * pa/pa-linux.h: New file.
27839 * pa/t-linux: New file.
27840 * pa/xm-linux.h: New file.
27842 * pa.c (hppa_legitimize_address): Change references from SImode to
27843 either Pmode or word_mode as appropriate.
27844 (emit_move_sequence, store_reg, load_reg): Likewise.
27845 (set_reg_plus_d, hppa_expand_prologue): Likewise.
27846 (output_mul_insn): Likewise.
27847 * pa.h (PROMOTE_MODE): Likewise.
27848 (INITIALZE_TRAMPOLINE): Likewise.
27849 (Pmode): Define to word_mode.
27851 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
27852 value of 4. Allocate 8 bytes for each FP register save.
27853 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
27855 (hppa_expand_prologue): Likewise.
27856 * pa.h (PROMOTE_MODE): Likewise.
27857 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
27858 (FUNCTION_ARG_BOUNDARY): Likewise.
27860 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
27862 * pa.c (out_of_line_prologue_epilogue): Delete.
27863 (override_options): Remove -mspace related code.
27864 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
27865 (compute_frame_size): Only allocate space for register that
27866 actually need to be saved.
27867 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
27868 (TARGET_SWITCHES): Remove -mspace, -mno-space
27869 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
27870 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
27871 * pa/ee.asm, pa/ee_fp.asm: Delete.
27873 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
27875 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
27876 directive in column zero.
27878 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
27880 * m68k.c (output_function_prologue): Fix computation of save mask
27881 when generating PIC code.
27883 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
27885 * tree.c (build_type_attribute_variant): Move current_obstack restore
27886 after build_qualified_type call.
27888 1999-07-15 Mark Mitchell <mark@codesourcery.com>
27890 * configure.in: Use t-iris6, even with GNU LD.
27891 * config/mips/iris6gld.h: Fix typo in linker spec.
27892 * config/mips/t-iris6gld: Remove.
27894 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
27896 * rs6000.md (insv, extzv): Remove SImode dependence in named
27897 patterns. Explicitly generate DImode RTL if PowerPC64 and
27899 (insvdi): Reverse start and size in instruction template.
27901 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
27903 * invoke.texi: Typo fixes.
27905 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
27907 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
27908 handle at this time instead of silently generating incorrect code.
27909 (gen_imagpart): Likewise.
27911 * reload.c (find_reloads): Emit a USE for a pseudo register without
27912 a hard register if we could not create an optional reload for the
27915 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27917 * c-typeck.c (output_init_element, process_init_element):
27918 When advancing constructor_unfilled_fields for a RECORD_TYPE,
27919 check for nameless bit fields.
27921 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
27923 * regclass.c (scan_one_insn): Notice subregs that change the
27924 size of their operand.
27925 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
27927 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
27929 * configure.in (alpha*-*-*): Include alpha/t-ieee.
27930 * configure: Rebuilt.
27931 * alpha/t-ieee: New file.
27933 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
27935 * rs6000.c (find_addr_reg): Do not select r0 as an address
27938 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
27940 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
27942 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
27944 * rs6000.md (movsf): Do not force easy FP constants into memory.
27946 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
27947 immed_double_const to ensure they are properly truncated then
27950 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
27952 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
27953 always unless NO_DEBUG is used. Compile this code
27955 (replace_symbols_in_block): Compile it unconditionally.
27957 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
27959 * configure.in (i?86-*-elf*): New target.
27960 * configure: Rebuilt.
27961 * i386/i386elf.h, i386/t-i386elf: New files.
27963 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
27965 * toplev.c (main): Don't complain about saying -gdwarf.
27966 (rest_of_compilation): Remove redundant code.
27968 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
27970 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
27972 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
27974 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
27975 "Li960R:", to avoid name clash.
27977 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
27979 * loop.c (check_dbra_loop): When reversing a loop, delete all
27980 REG_EQUAL notes referencing the reversed biv except those which are
27981 for a giv based on it.
27983 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
27985 * version.c: Drop "gcc-" prefix from version #.
27987 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
27989 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
27990 the label if we're being verbose.
27992 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
27994 * m68k.c (output_function_prologue): Add pic register to mask
27995 if live and flag_pic.
27996 (output_function_epilogue): Likewise.
27998 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
28000 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
28001 directives in column zero.
28003 * pa/elf.h (ASM_FILE_START): Define.
28004 * pa/som.h (ASM_FILE_START): Include .level directives.
28005 * pa/hpux10.h (ASM_FILE_START): Delete.
28006 * pa/hpux11.h (ASM_FILE_START): Delete.
28008 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
28010 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28012 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
28013 when reload_out equals reload_in.
28015 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
28017 * invoke.texi (Spec Files): New node: Describe the contents of
28020 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
28022 * invoke.texi (DEC Alpha Options): Put @end table at
28023 beginning of line, to avoid confusing texi2html.
28025 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
28027 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
28028 introduced in previous delta.
28030 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
28032 * reload1.c (gen_reload): When synthesizing a 3 operand add
28033 sequence, improve test for when to reload OP1 into the reload
28034 register instead of OP0.
28036 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
28038 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
28040 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
28042 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
28045 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
28047 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
28048 (va_dcl): Use __builtin_va_alist_t.
28050 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
28052 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
28053 on the permanent_obstack.
28054 * dwarfout.c (output_type): Likewise.
28056 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
28058 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
28059 Merged from c-typeck.c and cp/typeck.c.
28060 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
28061 Merged into c-common.
28063 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
28065 * c-lex.c (errorcount): Declare it.
28066 (finish_parse): Update errorcount when using CPPLIB.
28068 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
28070 * fixinc/inclhack.def(end_else_label): Double the backslash so
28071 sed gets a chance to see it.
28072 * fixinc/inclhack.sh: regen
28073 * fixinc/fixincl.x: regen
28075 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
28077 Add framework to support armv5 architecture when it becomes
28080 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
28081 (arm_arch5): New variable.
28082 (all_architectures): Add armv5 line.
28083 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
28084 -march=armv5 is specified on the command line.
28085 (arm_arch5): Export this variable.
28086 * invoke.texi: Document new string accepted by -march= switch for
28089 * config/arm/arm.h: Replace use of constant 12 as a register
28090 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
28091 * config/arm/arm.c: Replace use of constant 12 as a register
28092 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
28094 * config/arm/elf.h: Tidy up.
28095 * config/arm/coff.h: Tidy up.
28097 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
28099 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
28100 * gcc/config/mips/t-iris6gld: New file.
28101 * gcc/config/mips/iris6gld.h: Likewise.
28103 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
28105 * c-decl.c (widest_integer_literal_type_node,
28106 widest_unsigned_literal_type) : New.
28107 (init_decl_processing): Handle/use the two new types.
28108 * c-common.c (type_for_size,type_for_mode) : Same.
28109 * c-lex.c (yylex) : Same.
28110 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
28112 * c-tree.h (widest_integer_literal_type_node,
28113 widest_unsigned_literal_type) : New.
28115 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
28117 * dwarfout.c (field_byte_offset): Correctly compute the object's
28118 byte offset for the first bit of a field which crosses an alignment
28119 boundary on a !BYTES_BIG_ENDIAN target.
28121 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
28123 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
28126 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
28127 Jeff Law <law@cygnus.com>
28129 * ginclude/varargs.h (va_dcl): Use word_mode for type of
28132 * except.c: Include intl.h.
28133 (expand_eh_return): Set current_function_cannot_inline.
28134 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
28135 * function.h (struct function): Add eh_return_stub_label.
28136 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
28137 * Makefile.in (except.o): Depend on intl.h.
28139 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
28141 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
28142 same as offsettable in cases 1 and 2.
28144 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
28146 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
28147 (extlh, extwh): Likewise.
28149 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
28151 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
28153 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
28155 * configure.in: Add arm-pe and thumb-pe targets.
28156 * configure: Regenerate.
28158 * thumb.c (arm_naked_function_p): New function: Determines if
28159 a function is naked (has no gcc generated prologue/epilogue).
28160 (is_called_in_ARM_mode): Return true if the func has the
28161 interfacearm attribute.
28162 (output_return): Do not generate a return for naked functions.
28163 (thumb_function_prologue): Do not generate a prologue for
28165 (thumb_expand_prologue): Do not generate a prologue for naked
28167 (thumb_expand_epilogue): Do not generate an epilogue for naked
28169 (arm_valid_machine_decl_attribute): New function, copied from
28170 arm.c: Permit naked and interfacearm attributes.
28172 * config/arm/pe.c: New file: Support code for arm-pe target.
28173 * config/arm/pe.h: New file: Header file for arm-pe target.
28174 * config/arm/tpe.h: New file: Header file for thumb-pe target.
28175 * config/arm/t-thumb-pe: New file: Makefile fragment for
28178 1999-07-01 Mark Kettenis <kettenis@gnu.org>
28180 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
28181 -fPIC or -fpic is specified.
28183 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
28185 * expr.c (emit_block_move): Use copy_to_mode_reg for
28186 !TARGET_MEM_FUNCTIONS case too.
28188 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
28190 * configure: Rebuilt.
28191 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
28192 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
28193 definitions made redundant by dbxelf.h inclusion. Delete
28194 lots of definitions related to assembly output that are
28195 specific to the SOM object format.
28196 * pa.c (output_function_prologue): Do not emit the function's
28198 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
28199 * pa-pro.h: Deleted.
28200 * som.h: New file with SOM specific definitions.
28201 * elf.h: New file with ELF specific definitions.
28203 * elfos.h (const_section): Output a tab before assembler directives.
28204 (ctors_section, dtors_section): Likewise.
28205 (ASM_OUTPUT_SECTION_NAME): Likewise.
28207 * pa/pa1.h: Delete unused file.
28209 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
28211 * configure.in (hppa*-hp-hpux11*): New configuration.
28212 * configure: Rebuilt.
28213 * pa/pa-hpux11.h: New file.
28214 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
28217 * mips.md (leasi, leadi): New patterns.
28219 * expr.c (emit_block_move): Properly handle case where one of the
28220 block move arguments has a queued increment or decrement.
28221 (clear_storage): Similarly. Fix formatting goof.
28223 1999-06-28 "David O'Brien" <obrien@NUXI.com>
28225 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
28226 semicolon from the BSD VA_LIST replacement expression.
28228 * fixinc/inclhack.sh: regen
28229 * fixinc/fixincl.x: regen
28231 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
28232 now use the fixincl program.
28234 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
28236 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
28237 case. Also make the PIC register call_used.
28239 * m68k.h (FINALIZE_PIC): Delete.
28240 * m68k.c (finalize_pic): Delete.
28242 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
28244 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
28247 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
28249 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
28251 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
28253 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
28255 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
28257 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
28259 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
28261 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
28263 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
28265 * rs6000.c (output_toc): Always use hex values for floating-point
28266 constants. Store single-precision values in upper-half of TOC
28267 entry in 64-bit mode.
28268 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
28269 to final constraints.
28270 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
28271 (fctiwz): Improve accuracy of RTL for pattern.
28273 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
28275 * expr.c (expand_expr): Allow RTL_EXPR's through the
28276 MAX_INTEGER_COMPUTATION_MODE checks.
28278 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
28280 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
28281 such that MASK_SUPPORT_ARCH is not negative.
28283 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
28285 * loop.c (verify_dominator): Properly handle ADDR_VEC and
28286 ADDR_DIFF_VEC insns that appear inside loops.
28288 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
28289 Jeff Law <law@cygnus.com>
28291 * rs6000.md (movdf_hardfloat32): Revert previous patch.
28292 Handle LO_SUM the same as offsettable in cases 1 and 2.
28293 * rs6000.c (find_addr_reg): Revert previous patch.
28295 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
28297 * system.h (strstr): New external function declaration.
28298 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
28299 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
28300 * config.in, configure: Rebuilt.
28302 1999-06-24 Tom Tromey <tromey@cygnus.com>
28304 * gcc.c (main): Read user-specified specs files after computing
28305 additional startfile_prefixes.
28307 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
28309 Revert these two patches:
28311 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28312 * loop.c (strength_reduce): When doing biv->giv conversion, update
28313 reg note of NEXT->insn.
28315 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28316 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
28318 (recombine_givs): Set ix field after sorting.
28320 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28322 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
28323 for the parts of an UNSPEC / UNSPEC_VOLATILE.
28325 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
28327 *fixinc/inclhack.def: Add fix development commentary
28328 (read_ret_type): reactivate and add selection clause
28329 (zzz_*): tweak output file name to match what is used in hackshell.tpl
28330 *fixinc/{fixincl.x|inclhack.sh}: regen
28332 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
28334 * expr.c (expand_expr): STRIP_NOPS before checking against
28335 MAX_INTEGER_COMPUTATION_MODE
28336 (check_max_integer_computation_mode): Likewise.
28338 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
28340 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
28342 1999-06-22 Jim Wilson <wilson@cygnus.com>
28344 * expr.c (store_expr): When target is a promoted subreg, return a
28345 promoted subreg as a result.
28347 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
28349 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
28351 (dwarf2out_define): Mark unused parameters appropriately.
28352 (gen_unspecified_parameters_die): Ditto.
28353 (gen_subprogram_die): Fix signed/unsigned warnings.
28354 (gen_variable_die): Ditto.
28356 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
28358 * fixinc/inclhack.def(end_else_label): combined else_label
28359 and endif_label and fixed the sed expression.
28360 *fixinc/{fixincl.x|inclhack.sh}: regen
28362 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
28364 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
28365 'x' when handling non-offsettable addresses
28367 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
28369 * final.c (shorten_branches): Don't try to split an insn that has
28372 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
28374 * config/mips/mips.c (symbolic_expression_p): New function.
28375 (mips_select_rtx_section): Put symbolic expressions in the
28376 data section, not the read-only data section.
28378 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
28380 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
28382 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
28384 * collect2.c (main): Log frame table count.
28385 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
28386 (scan_prog_file) [COFF]: Handle frame tables.
28388 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
28389 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
28390 * alpha/elf.h: Undef them again.
28391 * alpha/vms.h: Remove their definitions.
28393 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28395 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
28396 remove the clobber of r0 and change the REG_UNUSED note to
28399 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
28401 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
28402 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
28403 fits in HOST_WIDE_INT and one uses union to access a long constant
28406 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
28408 * sparc.c (sparc_override_options): Don't allow profiling for
28409 code models other than medlow.
28410 (sparc_function_profiler): New function from old FUNCTION_PROFILER
28411 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
28412 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
28413 (sparc_block_profiler): Likewise.
28414 (sparc_function_block_profiler_exit): Likewise.
28415 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
28416 (FUNCTION_BLOCK_PROFILER): Likewise.
28417 (BLOCK_PROFILER): Likewise.
28418 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
28419 (MCOUNT_FUNCTION): New.
28420 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
28421 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
28422 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
28423 (MCOUNT_FUNCTION): New.
28424 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
28425 (BLOCK_PROFILER): Delete.
28426 (MCOUNT_FUNCTION): New.
28428 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
28430 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
28432 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
28434 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
28437 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
28440 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
28443 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
28446 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
28448 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
28451 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
28453 * i386/djgpp.h (LIB_SPEC): New.
28454 (STARTFILE_SPEC): New.
28456 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
28458 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
28460 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
28463 * system.h (WSTOPSIG): New macro.
28465 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
28467 * c-pragma.c (push_alignment): Don't ignore alignments greater than
28469 (insert_pack_attributes): Take into account member natural
28472 * i386/winnt.c (exports_head): New static variable.
28473 (i386_pe_record_exported_symbol): New function.
28474 (i386_pe_asm_file_end): Use.
28475 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
28476 symbols to be emitted at end of assembly.
28477 (ASM_DECLARE_OBJECT_NAME): Likewise.
28478 (ASM_DECLARE_FUNCTION_NAME): Likewise.
28480 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
28483 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
28485 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
28488 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
28490 * haifa-sched.c (sched_analyze_1): Use free_list instead of
28491 zapping reg_last_uses directly.
28492 (sched_analyze_2, sched_analyze_insn): Likewise.
28493 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
28495 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
28497 * rs6000.md (movdf_hardfloat32): Use worst case insn length
28498 attributes for cases 1 and 2.
28500 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
28502 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
28505 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
28507 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
28509 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
28511 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
28512 PIC_OFFSET_TABLE_REGNUM for general alloaction.
28513 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
28514 must be stacked if it is used for PIC accesses.
28515 * arm.c (use_return_insn): Handle PIC register specially.
28516 (output_return_instruction): Likewise.
28517 (output_func_{prologue,epilogue}): Likewise.
28518 (output_expand_prologue): Likewise.
28520 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
28521 (*strsi_predec): Renamed from *strqi_predec.
28522 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
28523 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
28525 * arm.c (arm_override_options): Remove warning about PIC code
28526 not being supported.
28528 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
28530 * rs6000.c (find_addr_reg): New function.
28531 * rs6000.h (find_addr_reg): Declare.
28532 (offsettable_addr_operand): Delete.
28533 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
28534 from and stores to GPRs.
28536 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
28538 * alpha.c (alpha_expand_block_move): Use get_insns rather than
28539 gen_sequence as argument to emit_no_conflict_block.
28541 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
28543 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
28544 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
28545 *fixinc/fixincl.x: regen
28546 *fixinc/inclhack.sh: regen
28548 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
28550 * added support for -mpcrel (PC relative addressing for m68k)
28551 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
28552 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
28553 * m68k.c (print_operand_address): Handle 32-bit PIC case.
28554 (comments for general_src_operand): Add some explanation
28555 about EXTRA_CONSTRAINTS.
28556 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
28557 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
28558 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
28559 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
28560 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
28561 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
28562 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
28563 if not already set.
28564 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
28565 * m68k.h (TARGET_PCREL): New target flag.
28566 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
28567 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
28568 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
28569 contains a SYMBOL_REF. Relax this constraint during reload, since
28570 we want to use the predicates, not reload's built-in concept of a
28571 valid memory address, to control what insns need reloading.
28572 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
28573 operands (essentially 'g', 'm', and 's' under normal circumstances).
28574 * m68k.c (print_operand): Cause printing of pc-relative addresses
28575 to include pc register.
28576 (print_operand_address): Ditto.
28577 (general_src_operand): Accept operands that are not only
28578 general_operands, but are also valid when used as a pc-relative
28580 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
28581 (memory_src_operand): Similar, for memory_operands.
28582 (pcrel_address): New predicate to accept the special case of a
28583 pc-relative address.
28584 * m68k.md (many patterns): Rewrite common SImode, HImode, and
28585 QImode insns to accept *_src_operand instead of *_operand where
28586 pc-relative operands can fit. For example, a pc-relative operand
28587 can be used as a memory source operand for addsi3, but not as a
28588 memory destination.
28589 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
28591 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
28593 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
28594 .thumb_set pseudo op to mark aliases of thumb functions.
28596 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
28598 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
28599 preference to ASM_OUTPUT_DEF, if it is defined.
28601 * tm.texi: Document new, optional target macro
28602 ASM_OUTPUT_DEF_FROM_DECLS.
28604 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
28606 * fixincludes: ISCNTL patch
28607 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
28608 (dgux_int_varargs): new for DG/UX
28609 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
28611 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
28613 * invoke.texi (ia32 options): Fix typo.
28615 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28617 * loop.c (strength_reduce): When doing biv->giv conversion, update
28618 reg note of NEXT->insn.
28620 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
28622 * loop.c (move_movables): Note issues with replacing REGs with
28624 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
28626 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
28628 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
28630 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
28631 the reference to `mcount' was not correct for the ELF on FreeBSD.
28633 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28635 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
28638 (recombine_givs): Set ix field after sorting.
28640 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
28642 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
28643 to safe to extract a subword out of a REG.
28645 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28647 * sh.md (mulsi3): Don't add a no-op move at the end.
28649 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28651 * cse.c (cse_insn): Don't put hard register source into tables for
28652 the last insn of a libcall.
28654 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28656 * loop.c (strength_reduce): Insert sets of derived givs at every
28657 biv increment, even if it's the only one.
28659 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
28661 * dwarfout.c (add_incomplete_type): New fn.
28662 (output_type): Call it.
28663 (retry_incomplete_types): New fn.
28664 (dwarfout_finish): Call it.
28666 From Eric Raskin <ehr@listworks.com>:
28667 (output_type): Output types for bases.
28669 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
28671 * mips.c (mips_output_conditional_branch): Add `break'
28672 between `default' label and `close braces'.
28674 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
28676 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
28677 specifications and make it realistic.
28678 (LIB_SPEC): Likewise.
28680 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
28682 * config/mips/mips.c (mips_secondary_reload_class): Check for
28683 (PLUS (SP) (REG)) and return appropriate register class.
28684 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
28685 Handle (PLUS (SP) (REG)).
28686 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
28687 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
28688 of emit_insn for tablejump.
28690 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
28692 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
28693 asm_fprintf format string by itself.
28694 (output_function_profiler): Likewise.
28696 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
28698 * combine.c (simplify_logical, case AND): Only call
28699 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
28700 or the constant is positive.
28702 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
28704 * configure.in: Fix typo in rs6000-ibm-aix4 case.
28705 * configure: Regenerate.
28707 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
28709 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
28710 require a sub-version #.
28711 * configure: Rebuilt.
28713 1999-06-14 Robert Lipe (robertlipe@usa.net)
28715 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
28717 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
28719 * c-typeck.c (process_init_element): Detect excess elements in
28720 char array initializer.
28722 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
28724 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
28726 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
28728 * invoke.texi (Option Summary): Add -fpermissive flag.
28730 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
28732 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
28733 that require PIC code sequences.
28735 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
28737 * configure.in: Add new target: thumb-elf.
28738 * configure: Regenerate.
28739 * config/arm/t-thumb-elf: New file: Makefile fragment for
28741 * config/arm/telf.h: New file: Header file for thumb-elf
28744 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
28746 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
28747 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
28748 initializers is some circumstances.
28750 * fixinc/inclhack.def (endif_label): Add additional selector for
28751 more bogus stuff after #endif statements.
28752 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
28754 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
28756 * i386/cygwin.h (SET_ASM_OP): Define.
28758 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
28760 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
28762 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28764 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
28767 * sh.md (ic_invalidate_line_i): Remove second alternative.
28769 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
28771 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
28772 test for the presence of valid prototypes. Delete bypass expr.
28773 (ioctl_fix_ctrl): Correct the selection expression.
28774 (no_double_slash): Correct quoting rules
28775 *fixinc/fixincl.x: regen
28776 *fixinc/inclhack.sh: regen
28778 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
28780 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
28782 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
28784 * rs6000.md (movsi_got_internal_mem): Delete.
28785 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
28786 (GOT_TOC_REGNUM): Delete.
28787 (PIC_OFFSET_TABLE_REGNUM): Define.
28788 (FINALIZE_PIC): Disable.
28789 * rs6000.c (rs6000_got_register): New code for fixed pic register.
28790 (rs6000_replace_regno): Delete.
28791 (rs6000_finalize_pic): Likewise.
28792 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
28794 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28796 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
28797 is a note; use <= for the compare; advance P while it is
28800 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
28802 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
28803 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
28805 * varasm.c (remove_from_pending_weak_list): Verify t->name
28806 is non-NULL before passing it to strcmp.
28808 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
28810 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
28811 the typed arguments are not part of a comment
28812 (ioctl_fix_ctrl): Added a purpose comment
28813 *fixinc/fixincl.x: regenerate
28814 *fixinc/inclhack.sh: regenerate
28816 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
28818 * invoke.texi: Add C4x invocation docs.
28820 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
28822 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
28824 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
28826 (c4x_legitimize_reload_address): New function.
28827 * config/c4x/c4x.md: Update docs.
28829 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
28831 * fixincludes: Avoid removing '.'.
28832 * fixinc/fixinc.svr4: Likewise.
28833 * fixinc/fixinc.winnt: Likewise.
28834 * fixinc/inclhack.tpl: Likewise.
28835 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
28837 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
28839 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
28841 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
28843 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
28845 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
28848 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
28850 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
28851 * configure: Regenerate.
28853 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
28855 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
28858 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
28860 * fixinc/inclhack.def (avoid_bool): Also catch
28861 "typedef [unsigned] int bool".
28862 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
28864 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
28865 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
28866 * configure: Rebuilt.
28868 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
28870 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
28871 such that we can override its definitions if necessary.
28872 (CPP_SPEC): New define. Support processor specific predefines via
28874 (CC1_SPEC): New define. Support processor specific compiler
28875 options via %(cc1_cpu).
28876 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
28879 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
28881 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
28882 between sed's -e flag, and the open-quote following it.
28883 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
28885 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
28886 Jeffrey A Law (law@cygnus.com)
28888 * varasm.c (assemble_start_function): Remove the function
28889 from the pending weak decls list when we define a function.
28890 (assemble_variable): Similarly for variables.
28891 (weak_finish): Ignore items on the list with a NULL name.
28892 (remove_from_ending_weak_list); New function to "remove" an item
28893 from the pending weak declarations list.
28895 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
28897 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
28899 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
28901 * c-lex.c (GETC): Redefine to call getch.
28902 (UNGETC): Redefine to call put_back.
28903 (putback_buffer): New structure type.
28904 (putback): New static structure.
28905 (getch): New function.
28906 (put_back): New function.
28907 (yylex): Replace unused bytes from bad multibyte character.
28909 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
28911 * cpplib.c (do_define): Cast `alloca' return value.
28912 (do_include, do_undef, do_pragma): Likewise.
28913 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
28915 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
28916 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
28918 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
28920 * sparc.md (abstf2): This should be an expand.
28921 (split after abstf2_notv9): Fix mode.
28922 (abstf2_hq_v9): New pattern.
28923 (abstf2_v9): Only use when no hard quad.
28924 (absdf2_v9): Fix if target is not the same as source.
28925 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
28926 Add correct output constraints.
28928 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
28930 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
28931 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
28933 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
28935 * mips.h (mips_output_conditional_branch): New function.
28936 (mips_adjust_insn_length): Likewise.
28937 (ASSEMBLER_SCRATCH_REGNUM): New macro.
28938 (ADJUST_INSN_LENGTH): Likewise.
28939 * mips.c (print_operand): Add `F' and `W' for floating-point
28940 comparison opcodes.
28941 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
28943 (mips_adjust_insn_length): New function.
28944 (mips_output_conditional_branch): New function.
28945 * mips.md (length): Adjust attribute definition to handle
28946 conditional branches. Change lengths to bytes, rather than
28947 instructions throughout. Remove length attribute from
28948 instructions whose length is four bytes, and rely on the default
28950 (dslot): Fix typo in comment.
28951 Reword conditional branch patterns to use
28952 mips_output_conditional_branch.
28954 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
28956 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
28957 (LIB_SPEC): Likewise.
28958 Link with -lprof1_r for -g/-pg.
28960 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
28962 * loop.c (check_dbra_loop): Fix change of Jan 19.
28964 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
28966 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
28967 (STARTFILE_SPEC): Define, override the svr4.h version.
28968 (ENDFILE_SPEC): Likewise.
28970 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
28972 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
28973 * fixinc/fixincl.x: Regenerated.
28974 * fixinc/inclhack.sh: Regenerated.
28976 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28978 * sh.c (barrier_align): Don't return early for normal branch/barrier
28979 when optimizing for SH2.
28981 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
28983 * i386/udk.h (LINK_SPEC): Correct linker search path for
28986 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28988 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
28989 (braf_label_ref_operand): Delete.
28990 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
28991 * sh.md (casesi_jump_2): Operand1 is now the inside of a
28992 label_ref, and has no predicate.
28993 The patten has a predicate to guard against invalid substitutions.
28994 (dummy_jump): Delete.
28995 (casesi): Update use of casesi_jump_2.
28997 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
28999 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
29000 *fixinc/fixincl.x: regenerate
29001 *fixinc/inclhack.sh: regenerate
29003 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
29005 * dwarf2out.c (add_incomplete_type): New fn.
29006 (gen_struct_or_union_type_die): Call it.
29007 (retry_incomplete_types): New fn.
29008 (dwarf2out_finish): Call it.
29010 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
29012 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
29013 current block starts with a CODE_LABEL and ends with a CALL and
29014 we can not find all the argument setup instructions for the CALL.
29016 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
29018 Revert this change:
29019 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
29020 something is a candidate for optimize_bit_field_compare.
29022 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
29024 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
29026 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
29028 * alpha.c (override_options): Thinko in last patch.
29030 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
29031 (LIB_SPEC): Recognize -pthread.
29033 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
29035 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
29036 definition in config/arm/coff.h
29037 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
29039 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
29041 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
29042 fixes that need "file=xxx\n" prepended before invocation
29043 (start_fixer - new): starting the fixer process is complex enough
29044 to warrent its own routine. It prepends the "file=xxx\n" stuff.
29045 (process): uses the new routine; omit usage of putenv()
29046 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
29047 * fixinc/fixincl.x: regenerate
29049 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
29051 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
29052 and version #s (1.1 -> 2.96) as needed.
29053 * README.g77: Kill way out of date file in the toplevel directory.
29055 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
29057 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
29058 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
29059 * configure: Rebuilt.
29060 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
29061 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
29062 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
29063 (SWITCH_TAKES_ARG): Likewise.
29064 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
29065 * config/t-freebsd: Moved from config/i386/ so it can used for all
29068 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
29070 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
29072 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
29074 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
29075 * configure: Rebuilt.
29077 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
29079 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
29080 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
29081 * rs6000/rs6000.c (rs6000_file_start): Use putc.
29082 (rs6000_output_load_toc_table): Same.
29083 (output_prolog, output_mi_thunk): Same.
29084 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
29085 (ASM_GLOBALIZE_LABEL): Use putc.
29087 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
29089 * alpha.md (reload_*_help): New patterns and splitters.
29090 (reload_*): Use them.
29091 (mov[qh]i): Likewise.
29093 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
29095 * cccp.c (handle_directive): Handle backslash-newlines in quoted
29098 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
29100 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
29102 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
29104 * flow.c (mark_regs_live_at_end, insn_dead_p,
29105 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
29106 and HARD_FRAME_POINTER_REGNUM special treatment if reload
29107 hasn't run or the frame pointer is needed.
29108 * haifa-sched.c (attach_deaths): Likewise.
29109 * sched.c (attach_deaths): Likewise.
29111 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
29113 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
29114 calculate_can_reach_end returns nonzero.
29116 * configure.in (native gas tests): Search for an assembler in the
29117 same manner that the installed compiler will.
29118 * configure: Rebuilt.
29119 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
29121 * alias.c (find_base_term): Improve handling of addresses
29122 constructed from binary operations.
29124 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
29126 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
29128 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
29130 * function.h (cleanup_label, frame_offset): Declare.
29131 (tail_recursion_label, tail_recursion_reentry): Likewise.
29132 (arg_pointer_save_area, rtl_expr_chain): Likewise.
29133 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
29134 (tail_recursion_label, tail_recursion_reentry): Likewise.
29135 (arg_pointer_save_area, rtl_expr_chain): Likewise.
29137 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
29139 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
29141 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
29142 (MAX_OFILE_ALIGNMENT): Define.
29144 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
29146 * fixincl.c: Replace local include scheme with #includes of
29147 gansidecl.h and system.h.
29148 * procopen.c: Likewise.
29149 * server.c: Likewise.
29151 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
29153 * i386/t-dgux (EXTRA_PARTS): Add crti.o
29154 (crti.o): Add build rule and dependencies.
29155 * fixinc/fixinc.dgux: Use modified _int_varargs.h
29157 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
29159 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
29160 (LIB_LINUX_SPEC): Likewise.
29161 (LIB_LINUX_SPEC): Add support for -pthread
29162 (CPP_OS_LINUX_SPEC): Likewise.
29163 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
29166 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
29168 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
29170 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
29171 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
29172 for IEEE math and CC_FCOMI.
29173 (put_jump_code): No IEEE if CC_FCOMI is set.
29175 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
29177 * fold-const.c (fold_truthop): Make the field reference unsigned
29178 when converting a single bit compare.
29180 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
29182 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
29184 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
29186 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
29187 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
29190 * reload.c (push_reload): Do not call remove_address_replacements
29191 when presented with identical optional reloads.
29193 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
29195 * alpha.h (MASK_FIX, TARGET_FIX): New.
29196 (MASK_*): Reorganize constants.
29197 (CPP_AM_FIX_SPEC): New.
29198 (TARGET_SWITCHES): Add FIX.
29199 (EXTRA_SPECS): Likewise.
29200 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
29201 (SECONDARY_MEMORY_NEEDED): Likewise.
29202 (REGISTER_MOVE_COST): Likewise.
29203 * alpha.c (override_options): Add FIX support. Always use
29204 ALPHA_TP_PROG for ev6.
29205 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
29206 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
29207 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
29209 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
29211 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
29212 something is a candidate for optimize_bit_field_compare.
29214 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
29216 * gcc.texi (Passes): Document branch-shortening.
29217 * invoke.texi (Debugging Options): Document the fact that `-dp'
29218 outputs length information for instructions.
29220 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
29222 * flow.c: Revert previous delta.
29224 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
29226 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
29227 FRAME_POINTER_REGNUM.
29228 (mark_set_1): Ditto.
29229 (mark_used_regs): Ditto.
29231 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
29233 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
29234 (GOT_PCREL): New macro. Define to 1 if not already defined.
29235 * arm/elf.h (GOT_PCREL): Define to 0.
29236 * arm.c (arm_finalize_pic): Take into account the setting of
29239 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
29241 * output.h (STRIP_NAME_ENCODING): Provide default definition.
29242 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
29244 * flow.c (mark_set_1): Do not record BLKmode stores as dead
29245 store elimination candidates.
29247 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
29249 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
29252 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
29254 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
29255 Add use of x-aix41-gld.
29257 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
29259 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
29260 (ASM_OUTPUT_DESTRUCTOR): Define.
29262 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
29264 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
29265 last CODE_LABEL in a loop if we have previously passed a jump
29266 to the top of the loop.
29268 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
29270 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
29271 applying Philip's patch.
29273 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
29275 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
29278 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
29280 * loop.c (strength_reduce): Grow reg_single_usage as needed.
29282 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
29284 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
29285 Also remove a useless comment.
29287 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
29289 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
29291 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
29293 * collect2.c (main): Only generate import or export file and add
29294 to link arguments if non-empty. Use xmalloc not alloca.
29295 (write_{export,import}_file): Delete.
29296 (write_aix_file): New function.
29297 (locatelib): Use xmalloc not malloc.
29298 (GCC_OK_SYMBOL): Do not check type if aix64.
29300 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
29302 Based on patch by Scott Bambrough and Pat Beirne:
29303 * config/arm/arm.c (making_const_table): New variable.
29304 * config/arm/arm.h (making_const_table): Declare.
29305 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
29307 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
29308 Keep track of when we are building the constant table.
29310 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
29312 * config/arm/arm.c (arm_override_options): Fix erroneous warning
29315 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
29317 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
29320 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
29322 * tm.texi (FUNCTION_ARG): Correct description of a stack element
29325 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
29327 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
29329 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
29331 * rs6000.c (output_mi_thunk): Enable full support again.
29333 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
29335 * sh.h (BRANCH_COST): Define.
29337 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
29339 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
29341 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
29343 * function.c (assign_stack_local): Align stack slot propertly.
29344 (assign_outer_stack_local): Likewise.
29346 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
29348 * expr.h (lang_expand_constant): Declare.
29349 * toplev.c (lang_expand_constant): Define it.
29350 * varasm.c (output_constant): Use it.
29352 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
29354 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
29355 Change function definitions to K&R style.
29357 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
29359 * fixinc/fixincl.c: We must not ignore SIGCLD now.
29361 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
29363 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
29364 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
29365 (several places): omit static initialization
29366 (process): use single fd, since only the read fd is used
29367 * fixinc/gnu-regex.c: define 'const' away, if not supported
29368 * fixinc/procopen.c(several places): omit static initialization
29369 * fixinc/server.c: define 'volitile' away, if not supported
29371 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
29373 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
29374 asm_fprintf and %L to generate the label name.
29375 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
29376 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
29378 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
29380 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
29381 insn for a conditional jump can not be found.
29383 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
29385 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
29386 on variables in specific sections other than .sbss and .sdata.
29388 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
29390 * stmt.c (expand_return): Call start_cleanup_deferral and
29391 end_cleanup_deferral around conditional code.
29393 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
29395 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
29396 filename lists. Utilizes new "krstr" AutoGen function.
29397 * fixinc/fixincl.x: Rebuilt.
29399 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
29401 * i386.c (output_float_compare): Avoid GNU-C extensions.
29403 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
29405 * version.c: Bump to distinguish mainline tree from the
29408 See ChangeLog.1 for earlier changes.