1 Wed May 31 13:17:20 2000 Philippe De Muyter <phdm@macqel.be>
3 * except.c (clear_function_eh_region): Do not free NULL.
5 Wed May 31 08:07:52 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7 * flow.c (propagate_block): If block has no successors, stores to
8 frame are dead if not used.
10 2000-05-31 Nathan Sidwell <nathan@codesourcery.com>
12 * stmt (expand_end_case): Reorder conversion sequence for jump
13 table to avoid extra truncations.
15 Wed May 31 01:31:42 2000 Jeffrey A Law (law@cygnus.com)
17 * ifcvt.c (cond_exec_process_if_block): Do nothing if the last insn
18 in the block is more than just a simple conditional branch.
19 (noce_process_if_block): Similarly.
21 Tue May 30 22:25:57 2000 Alexandre Oliva <aoliva@cygnus.com>
23 * optabs.c (prepare_float_lib_cmp): Protect *px and *py from
26 2000-05-30 Michael Meissner <meissner@redhat.com>
28 * dwarf2out.c (dwarf2out_frame_debug_expr): Ignore HIGH
29 instructions. Treat LO_SUM operations as loading the full integer
32 2000-05-30 Richard Henderson <rth@cygnus.com>
34 * combine.c (get_pos_from_mask): Test exact_log2 result as signed.
36 2000-05-30 Richard Henderson <rth@cygnus.com>
38 * bb-reorder.c (emit_jump_to_block_after): Protect use of HAVE_return.
40 2000-05-30 Bruce Korb <bkorb@gnu.org>
42 * fixinc/tests/*: Added expected result files for fixinc's make check
43 * fixinc/fixfixes(char_macro_*_fix): Restore original algorithm
45 2000-05-30 Richard Henderson <rth@cygnus.com>
47 * config/alpha/alpha.md (*setne_internal): Use match_operator
48 instead of working down from insn.
50 2000-05-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
52 * invoke.texi (-Wtraditional): Update WRT function macros.
54 Tue May 30 09:57:32 2000 Philippe De Muyter <phdm@macqel.be>
56 * except.c (free_exception_table): Do not free NULL.
58 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
60 * cpplib.c (do_if): Don't save and restore only_seen_white here.
61 * cppexp.c (_cpp_parse_expr): Save and restore only_seen_white
64 2000-05-29 Richard Earnshaw (rearnsha@arm.com)
66 * flow.c (mark_used_reg): If a register is unconditionally live,
67 remove any conditional death information.
69 2000-05-29 Richard Henderson <rth@cygnus.com>
71 * final.c (current_output_insn): New.
72 (final_scan_insn): Set it.
73 * output.h: Declare it.
75 2000-05-29 Richard Henderson <rth@cygnus.com>
77 * stor-layout.c (finalize_record_size): Fix typo.
79 * jump.c (redirect_jump): Don't emit NOTE_INSN_FUNCTION_END
82 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
84 * cpplib.h (cpp_reader): Remove if_stack. Change
85 potential_control_macro to a cpp_hashnode *. Add skipping flag.
86 * cpphash.h (struct ihash): Change control_macro to a
87 cpp_hashnode * and shorten name to cmacro.
88 Add NEVER_REINCLUDE constant.
90 * cppfiles.c (redundant_include_p): Drop cpp_reader argument.
91 Examine the cmacro node directly, no need to call cpp_defined.
92 (_cpp_execute_include, read_include_file): Set cmacro to
93 NEVER_REINCLUDE, not U"".
94 * cpplex.c (cpp_push_buffer): Don't set new->if_stack.
95 (cpp_get_token): If pfile->skipping is true, discard text and
96 keep scanning until we hit a directive; don't expand macros.
98 * cpplib.c (struct if_stack): Remove if_succeeded, add
99 was_skipping. Change control_macro to a cpp_hashnode * and
100 shorten name to cmacro. Remove typedef IF_STACK.
101 (parse_ifdef), detect_if_not_defined): Return a cpp_hashnode *.
102 (conditional_skip, skip_if_group,
103 consider_directive_while_skipping): Delete.
104 (push_conditional): New.
105 (_cpp_handle_directive): Don't process directives other than
106 conditionals if we are skipping.
108 (do_ifdef, do_ifndef, do_if, do_else, do_elif, do_endif):
109 Update to new scheme.
110 (validate_else): Skip rest of line here, unconditionally.
111 (_cpp_unwind_if_stack): The stack is per-buffer. Force
114 (all): Remove `scare quotes' from error messages.
116 2000-05-29 Richard Henderson <rth@cygnus.com>
118 * function.c (emit_return_into_block): New line_note arg; emit it.
119 (thread_prologue_and_epilogue_insns): Attempt to locate a line note
120 for the close brace to accompany HAVE_return. Move all line notes
121 following the epilogue to before the NOTE_INSN_EPILOGUE_BEG.
123 2000-05-29 Richard Henderson <rth@cygnus.com>
125 * longlong.h [__alpha] (count_leading_zeros): New.
126 (count_trailing_zeros): New.
127 (COUNT_LEADING_ZEROS_0): New.
129 * config/alpha/alpha.c (alpha_zero_comparison_operator): New.
130 (alpha_split_conditional_move): New.
131 * config/alpha/alpha-protos.h: Prototype them.
132 * config/alpha/alpha.h (PREDICATE_CODES): Update.
133 (CPP_CPU_DEFAULT_SPEC): Fix typo for EV67.
134 * config/alpha/alpha.md: Update ffs cix commentary.
136 (*nabssf2, *nabsdf2): New.
137 (*mov[qhsd]icc_internal): Use add_operand.
138 (if_then_else constant splitters): New.
139 (*cmp_sadd_di, *cmp_sadd_si, *cmp_sadd_sidi): New.
140 (*cmp_ssub_di, *cmp_ssub_si, *cmp_ssub_sidi): New.
142 2000-05-29 Richard Henderson <rth@cygnus.com>
144 * combine.c (force_to_mode) [MINUS]: Convert subtraction from
145 a constant to NEG or NOT when conditions allow.
147 * combine.c (combine_simplify_rtx): Don't create an if_then_else
148 unless both args are general_operand. Don't canonicalize plus
149 to ior unless it helps.
151 * toplev.c (rest_of_compilation): Set no_new_pseudos after flow1;
152 instead track register_life_up_to_date. Toggle no_new_pseudos
155 2000-05-28 Geoff Keating <geoffk@cygnus.com>
157 * config/rs6000/rs6000.c (output_cbranch): Escape '%' characters
158 so output_operand doesn't see them.
160 Sun May 28 18:37:07 2000 Clinton Popetz <cpopetz@cygnus.com>
162 * lcm.c (make_preds_opaque): Fix comment.
163 (optimize_mode_switching): Use NORMAL_MODE instead of
164 MODE_USES_IN_EXIT_BLOCK. Change leftover instance of
165 FP_MODE_NONE to no_mode. Rename MODE_AT_ENTRY to NORMAL_MODE.
166 Handle insertions before an existing NOTE_INSN_BASIC_BLOCK.
167 * tm.texi (OPTIMIZE_MODE_SWITCHING): Refer to NORMAL_MODE.
168 (MODE_USES_IN_EXIT_BLOCK): Delete.
169 (MODE_AT_ENTRY) Rename to NORMAL_MODE.
170 * sh.h (MODE_USES_IN_EXIT_BLOCK): Delete.
171 (MODE_AT_ENTRY): Rename to NORMAL_MODE.
172 (MODE_NEEDED): Don't look for USE.
173 (EPILOGUE_USES): Define.
175 Sun May 28 23:26:59 2000 Philippe De Muyter <phdm@macqel.be>
177 * mklibgcc.in (all): Variable initialised to `libgcc'.
179 2000-05-28 Gabriel Dos Reis <gdr@codesourcery.com>
181 * toplev.h (skip_leading_substring): New macro.
182 * toplev.c (decode_f_option): Use skip_leading_substring instead
184 (decode_W_option): Likewise.
186 2000-05-28 Nick Clifton <nickc@cygnus.com>
188 * tm.texi (CONDITIONAL_REGISTER_USAGE): Document that it can
191 2000-05-28 Richard Henderson <rth@cygnus.com>
193 * regclass.c (record_operand_costs): Protect reg_changes_size
194 with CLASS_CANNOT_CHANGE_SIZE.
196 * loop.c (instrument_loop_bct): Set JUMP_LABEL on the new insn.
198 2000-05-28 Richard Henderson <rth@cygnus.com>
200 * function.c (diddle_return_value): A pcc-style struct return
203 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
205 * cppfiles.c: Read files in, using mmap if possible, then
206 prescan them separately.
207 (read_file, read_with_read): New functions.
208 * cpplex.c: Don't define UCHAR_MAX.
209 (_cpp_read_and_prescan): Rename to _cpp_prescan. Don't read
212 * cppinit.c (handle_option): Automatically define __cplusplus,
213 __OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
214 the respective -lang switch.
216 * cpphash.h (enum node_type, struct hashnode, _cpp_lookup
217 prototype): Move to...
218 * cpplib.h: ... here. Rename struct hashnode to struct
219 cpp_hashnode and give it a typedef. Rename _cpp_lookup to
220 cpp_lookup. Add 'fe_value' slot, a union tree_node *.
222 2000-05-27 Geoffrey Keating <geoffk@cygnus.com>
224 * config/rs6000/rs6000.md (movsi): Constify 'name'.
226 * regclass.c [CLASS_CANNOT_CHANGE_SIZE]
227 (class_can_change_size): New variable.
228 (reg_changes_size): New variable.
229 (init_reg_sets_1): Initialise class_can_change_size.
230 (record_operand_costs): Remove subreg_changes_size.
231 Don't pass it around. Instead update reg_changes_size.
232 (regclass): Initialise and free reg_changes_size. If a register
233 changes size, don't preference it to a class that contains
234 registers that can't change size.
235 (record_reg_classes): Don't look at subreg_changes_size.
237 2000-05-27 Richard Henderson <rth@cygnus.com>
239 * print-rtl.c (reg_names): Remove const.
240 * regclass.c (reg_names): Likewise.
241 * regs.h (reg_names): Likewise.
242 * hard-reg-set.h (reg_names): Likewise.
244 2000-05-27 Richard Henderson <rth@cygnus.com>
246 * config/rs6000/rs6000.md (untyped_call): Use GEN_CALL.
248 2000-05-27 Richard Henderson <rth@cygnus.com>
250 * config/alpha/alpha.c (alpha_does_function_need_gp): Test
251 TARGET_PROFILING_NEEDS_GP in the if, instead of with an ifdef.
252 (alpha_expand_prologue): Emit prologue_mcount if needed.
253 * config/alpha/alpha.h (TARGET_PROFILING_NEEDS_GP): Default to 0.
254 * config/alpha/alpha.md (prologue_mcount): New.
255 * config/alpha/linux.h (FUNCTION_PROFILER): Remove.
256 (TARGET_PROFILING_NEEDS_GP): Undef before redefining.
257 * config/alpha/netbsd.h: Likewise.
259 2000-05-27 Richard Henderson <rth@cygnus.com>
261 * config/alpha/elf.h (SELECT_SECTION): Mirror Kenner's May 19
262 change to config/elfos.h.
264 2000-05-27 Richard Henderson <rth@cygnus.com>
266 * Makefile.in (resource.o): Depend on except.h.
267 * except.h (output_exception_table_data): Prototype.
268 * genconfig.c (gen_peephole2): Prototype.
269 * genemit.c (main): Include ggc.h.
270 * genoutput.c: Revert parts of last change: include errors.h
271 (main): Set progname.
272 * recog.c: Include hard-reg-set.h before recog.h.
273 * resource.c: Include except.h.
275 * config/alpha/alpha-protos.h (alpha_arg_info_reg_val): Protect
277 (alpha_write_linkage): Protect with BUFSIZ.
278 (alpha_need_linkage): Update prototype.
279 * config/alpha/alpha.c (function_arg): Move VMS code here.
280 (alpha_links_base): Remove.
282 (mark_alpha_links_node, mark_alpha_links): New.
283 (alpha_write_one_linkage): New.
284 (alpha_need_linkage): Use a splay tree. Build the linkage symbol.
285 (alpha_write_linkage): Use splay_tree_foreach.
286 * config/alpha/alpha.md (call_vms): Use alpha_need_linkage
287 to get the linkage symbol.
288 (call_value_vms): Likewise.
289 * config/alpha/elf.h (output_file_directive): Remove decl.
290 (ctors_section, dtors_section): Prototype.
291 (sbss_section, sdata_section): Prototype.
292 * config/alpha/vms.h (FUNCTION_ARG): Remove.
293 (readonly_section, link_section, literals_section): Prototype.
294 (ctors_section, dtors_section): Prototype.
295 (vms_valid_decl_attribute_p): Remove decl.
296 (alpha_arg_type, alpha_arg_info_reg_val): Likewise.
298 2000-05-27 Geoff Keating <geoffk@cygnus.com>
300 * reload.c (get_secondary_mem): Don't widen floating-point modes.
302 * combine.c (subst): Honour CLASS_CANNOT_CHANGE_SIZE when
303 substituting the REG in a (subreg:X (reg:Y ...)).
305 2000-05-28 Neil Booth <NeilB@earthling.net>
307 * cpplex.c (_cpp_lex_line): Merge vertical space. Flag
308 first token of a line BOL. Update EOF code for this.
309 Remove illegal directive check - it appears in the (not
310 yet committed) caller.
311 * cpplib.h (BOL): New flag.
313 2000-05-28 Neil Booth <NeilB@earthling.net>
315 * cpplex.c (_cpp_init_toklist): No comment space to initialise.
316 (_cpp_free_toklist): No comment space to free.
317 (expand_comment_space): Remove.
318 (save_comment_space): Place the comment in the current token and
319 not in a separate comment space.
320 (_cpp_lex_line): Save comments during plain code and #define
322 * cpplib.h (struct _cpp_toklist): Remove comment space.
324 2000-05-28 Neil Booth <NeilB@earthling.net>
326 * cppexp.c (parse_assertion): Supply extra argument to
328 * cpplib.c (do_assert, do_unassert): Similarly.
329 * cpphash.h (_cpp_init_toklist) Update.
330 (_cpp_expand_token_space): New.
331 (DUMMY_TOKEN, NO_DUMMY_TOKEN): New.
332 * cpplex.c (_cpp_init_toklist): New argument.
333 (parse_string2): New argument multiline_ok.
334 (spell_token): Take a const cpp_token *.
335 (INIT_NAME): Replace with INIT_TOKEN_NAME. Update tokens_used.
336 (SPELL_ macros): Replace with enum.
337 (expand_token_space): Replace with _cpp_expand_token_space.
339 (IS_DIRECTIVE): Update.
340 (_cpp_lex_line): Update token structure before parsing number.
341 Don't assume start at beginning of token list.
342 (save_comment): Use INIT_TOKEN_NAME.
344 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
346 * configure.in (stage1_warn_cflags): Add -Wstrict-prototypes
347 -Wmissing-prototypes.
348 * configure: Regenerate.
349 * gcc.texi: Remove explanation of MD_CALL_PROTOTYPES.
351 * builtins.c, calls.c: Change all instances of gen_call_* or
352 gen_sibcall_* to GEN_CALL_* and GEN_SIBCALL_*.
353 * calls.c (struct_value_size_rtx): Separate definition from
354 initialization to avoid unused variable warning.
356 * genflags.c (gen_macro): New function.
357 (gen_proto): Call it for gen_call_* and gen_sibcall_*.
358 (gen_nonproto): Delete.
359 (gen_insn): Put all insns on the same obstack.
360 (main): Generate prototypes for everything unconditionally.
362 * configure.in: Add AC_CHECK_TYPE(ssize_t). Remove commented
363 out check for wchar_t.
364 * acconfig.h: Add template for ssize_t. Remove @TOP@.
365 * system.h: Add infrastructure for defining missing
366 TYPE_MAX/TYPE_MIN macros. Use it to provide fallback
367 definitions of UCHAR_MAX and SSIZE_MAX.
368 * configure: Regenerate.
369 * config.in: Regenerate.
371 * Makefile.in (libgcc2.ready): Rename to libgcc.ready.
372 Depend on $(LANGUAGES) as well as $(GCC_PATCHES) and fixed
374 (clean): No need to delete libgcc1.a, libgcc1-asm.a,
375 libgcc2.a, or libgcc1.null.
377 2000-05-27 Richard Henderson <rth@cygnus.com>
379 * Makefile.in (recog.o): Don't depend on resource.h.
380 * recog.c: Don't include resource.h.
381 (recog_last_allowed_insn): Remove.
382 (recog_next_insn): Remove.
383 (struct peep2_insn_data): New.
384 (peep2_insn_data, peep2_current): New.
385 (peep2_next_insn): New.
386 (peep2_regno_dead_p, peep2_reg_dead_p): New.
387 (peep2_find_free_register): New.
388 (peephole2_optimize): Track life information by insn as we go.
389 * recog.h: Update declarations.
390 * resource.c (find_free_register, reg_dead_p): Remove.
391 * resource.h: Remove their declarations.
392 * toplev.c: Include hard-reg-set.h before recog.h.
394 * genconfig.c (max_insns_per_peep2): New.
395 (gen_peephole2): New.
397 * genemit.c (output_peephole2_scratches): Generate calls to
398 peep2_find_free_register; adjust surrounding code.
399 (main): Have insn-emit.c include hard-reg-set.h before recog.h.
400 * genrecog.c (change_state): Don't track last_insn.
401 (write_action): Write into *_pmatch_len before accepting.
402 (write_tree): Adjust peephole2_insns and subroutines to match.
404 * config/i386/i386.md (all peepholes): Use peep2_regno_dead_p.
406 * config/alpha/alpha.c (hard_fp_register_operand): Mind the mode.
407 (hard_int_register_operand): New.
408 * config/alpha/alpha-protos.h: Declare it.
409 * config/alpha/alpha.h (PREDICATE_CODES): Update.
410 * config/alpha/alpha.md (peep2 patterns): Use hard_int_register_operand
411 as needed; use peep2_reg_dead_p instead of dead_or_set_p.
413 2000-05-27 Richard Henderson <rth@cygnus.com>
415 * function.c (thread_prologue_epilogue_insns): Don't move the
416 line note at the head of the chain. Only force a lineno note
417 before the end of block 0.
419 2000-05-27 Richard Henderson <rth@cygnus.com>
421 * gensupport.c (collect_insn_data): Record the maximum number
422 of alternatives, not the last seen.
424 * genoutput.c: Don't include errors.h.
425 (struct data): Add lineno member.
427 (scan_operands): Use message_with_line instead of error.
428 (validate_insn_alternatives): Likewise.
429 (gen_insn): Accept and store the pattern's line number.
430 (gen_peephole, gen_expand, gen_split): Likewise.
431 (main): Don't set progname. Pass line_no to gen_foo.
433 2000-05-27 Richard Henderson <rth@cygnus.com>
435 * config/d30v/d30v.c (d30v_print_operand): Handle ':'.
436 * config/d30v/d30v.h (PRINT_OPERAND_PUNCT_VALID_P): Accept ':'.
437 * config/d30v/d30v.md (attr predicable): New.
438 (all insn patterns): Mark non-predicable patterns; use %: on the rest.
439 (andsi3*): Unify into one pattern.
440 (iorsi3*, xorsi3*): Likewise.
441 (peephole2 patterns): Use peep2_reg_dead_p; verify not a
443 (old cond_exec patterns): Remove.
444 (define_cond_exec): New.
446 Sat May 27 11:01:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
448 * tree.h (TREE_CODE_LENGTH): New macro.
449 * c-common.c (c_find_base_decl): Use it.
450 * expr.c (safe_from_p): Likewise.
451 * print-tree.c (print_node): Likewise.
452 * tree.c (make_node, copy_node, get_identifier): Likewie.
453 (first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise.
454 (build, build_nt, build_parse_node, simple_cst_equal): Likewise.
455 * fold-const.c (make_range): Likewise.
456 (fold): Likewise; also use first_rtl_op.
457 * c-iterate.c (collect_iterators): Use first_rtl_op.
458 * calls.c (calls_function_1): Likewise; also rename TYPE to CLASS.
459 Use IS_EXPR_CODE_CLASS.
460 (preexpand_calls): Likewise.
461 * ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op
462 and TREE_CODE_LENGTH.
463 * stmt.c (warn_if_unused_value): If no operands, no unused value.
465 2000-05-26 Geoffrey Keating <geoffk@cygnus.com>
467 * config/rs6000/rs6000.md (movsi_internal1): Use '%a1' rather
469 (movdi_internal64): Likewise.
471 * config/rs6000/rs6000.md: Correct order of operands for DImode
474 * config/rs6000/rs6000.c (boolean_or_operator): New function.
475 * config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
476 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
477 * config/rs6000/rs6000.md: Use boolean_or_operator instead of
478 boolean_operator for the boolean patterns without NOTs.
480 * config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
481 from reg_or_u_cint_operand. Change comment and behaviour.
482 (logical_operand): Clean up, add assertion.
483 (non_logical_cint_operand): Also check for
484 reg_or_logical_cint_operand.
485 * config/rs6000/rs6000.h (PREDICATE_CODES): Update.
486 * config/rs6000/rs6000.md (iorsi3): Use reg_or_logical_cint_operand
492 2000-05-26 Mark Mitchell <mark@codesourcery.com>
494 * tree.h (struct record_layout_info): Rename to (struct
495 record_layout_info_s).
496 * stor-layout.c (start_record_layout): Replace
497 `record_layout_info' with `record_layout_info_s'.
499 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
501 * flow.c (find_label_refs): New function.
502 (find_basic_blocks_1): Call it for each alternative of a call
505 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
507 * ifcvt.c (cond_exec_get_condition): Set test_if to the SET_SRC
510 2000-05-25 Richard Henderson <rth@cygnus.com>
512 * config/alpha/alpha.c (alpha_comparison_operator): Don't be
513 so strict about DImode.
514 (alpha_swapped_comparison_operator): Likewise.
515 * config/alpha/alpha.md (*setne_internal): Name it. Allow
516 any integer output mode.
517 (*setcc_internal): Likewise.
518 (*setcc_swapped_internal): Likewise.
519 (*movdicc_internal, *movdicc_lbc, *movdicc_lbs): Name them.
520 (*mov[qhs]icc_internal): New.
521 (*mov[qhs]icc_lbc, *mov[qhs]icc_lbs): New.
523 2000-05-25 J. David Anglin <dave@hiauly1.hia.nrc.ca>
525 * vax.h (CPP_SPEC): Define __GFLOAT and GFLOAT when -mg is specified.
527 2000-05-25 Richard Henderson <rth@cygnus.com>
529 * bb-reorder.c (reorder_block_def): Reorder elements for size.
530 Remove add_jump; add next; replace flags with visited.
532 (REORDER_BLOCK_HEAD, REORDER_BLOCK_VISITED): Remove.
533 (REORDER_BLOCK_FLAGS, REORDER_BLOCK_INDEX): Remove.
534 (REORDER_BLOCK_ADD_JUMP, REORDER_BLOCK_EFF_HEAD): Remove.
535 (REORDER_BLOCK_EFF_END, REORDER_BLOCK_SCOPE): Remove.
537 (reorder_index, reorder_last_visited): Remove.
538 (skip_insns_after_block): Rewrite to use a switch.
539 (get_common_dest): Remove.
540 (chain_reorder_blocks): Remove.
541 (record_effective_endpoints): Split out from reorder_basic_blocks.
542 (make_reorder_chain): Likewise. Loop until all blocks are placed.
543 (make_reorder_chain_1): Renamed from old make_reorder_chain.
544 Only construct the reorder chain, do not move insns. Try harder
546 (label_for_bb, emit_jump_to_block_after): New.
547 (fixup_reorder_chain): Use them. Do bulk block movement. Examine
548 and adjust the jump insns appropriately. Fixup basic_block_info.
549 (verify_insn_chain): Always define.
550 (relate_bbs_with_scopes): Call xmalloc, not xcalloc. Fix thinko
552 (make_new_scope): Don't write zeros to calloc'd space.
553 (build_scope_forest): Rely on xrealloc to DTRT.
554 (reorder_basic_blocks): Don't build loop nest. Don't fail if
555 profile_arc_flag. Streamline EH test.
557 * flow.c (redirect_edge_succ, redirect_edge_pred): New.
558 * basic-block.h: Declare them.
560 2000-05-25 Alexandre Oliva <aoliva@cygnus.com>
562 * emit-rtl.c (reset_used_decls): New function.
563 (unshare_all_rtl_again): Call it.
565 2000-05-25 Zack Weinberg <zack@wolery.cumb.org>
567 * cpplex.c (maybe_macroexpand): Warn about function-like
568 macros used in non-function context, if -Wtraditional.
570 2000-05-25 Mark Mitchell <mark@codesourcery.com>
572 * recog.c (peephole2_optimize): Use INSN_P.
574 2000-05-25 Richard Henderson <rth@cygnus.com>
576 * ifcvt.c (seq_contains_jump): New.
577 (noce_try_store_flag_constants): Use it to fail conversion.
578 (noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
580 2000-05-25 Mark Mitchell <mark@codesourcery.com>
582 * except.h (can_throw): Declare it.
583 * except.c (can_throw): Give it external linkage.
584 * resource.c (find_dead_or_set_registers): Use can_throw.
586 2000-05-25 Richard Henderson <rth@cygnus.com>
588 * flow.c (mark_set_1): Don't record conditionally dead memory.
590 2000-05-25 Jan Hubicka <jh@suse.cz>
592 * combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
593 and pc_set at the place of simplejump_p and condjump_p.
594 * cse.c (record_jump_equiv): Likewise.
595 * emit-rtl.c (emit): Likewise.
596 * explow.c (find_next_ref): Likewise.
597 * flow.c (tidy_fallthru_edge): Likewise.
598 (init_propagate_block_info): Likewise.
599 * gcse.c (delete_null_pointer_checks): Likewise.
600 * ifcvt.c (cond_exec_get_condition, noce_get_condition,
601 dead_or_predicable): Likewise.
602 * integrate.c (copy_insn_list): Likewise.
603 * loop.c (scan_loop, verify_dominator, find_and_verify_loops,
604 for_each_insn_in_loop, check_dbra_loop, get_condition,
605 insert_bct, load_mems): Likewise.
606 * resource.c (find_dead_or_set_registers): Likewise.
607 * sibcalls.c (simplejump_p): Likewise.
608 * unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
610 2000-05-25 David Edelsohn <edelsohn@gnu.org>
612 * rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
613 to STRING case. Use doubleword STRING move for TARGET_POWERPC64
615 * rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
616 (RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
617 (LEGITIMIZE_RELOAD_ADDRESS): unsigned HOST_WIDE_INT high.
618 * rs6000.md: Name various internal patterns.
620 2000-05-25 Jan Hubicka <jh@suse.cz>
622 * jump.c (invert_exp_1): Remove first argument, use pc_set
623 to get the expression.
624 (redirect_exp): Make static; redirect only the pc_set expression,
625 remove first argument.
626 (invert_exp): Remove first argument, make static.
627 (jump_optimize): Use any_condjump_p, any_uncondjump_p and
628 any_onlyjump at most places where we originaly did condjump_p
630 (jump_back_p, follow_jumps, thread_jumps): Likewise.
631 (delete_barrier_succesors): Use pc_set.
632 (invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
633 calls of invert_exp and redirect_exp.
634 * rtl.h (redirect_exp, invert_exp): Remove.
635 * unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
637 2000-05-25 Richard Henderson <rth@cygnus.com>
639 * stmt.c (expand_end_bindings): Fix thinko last change.
641 2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
642 Andrew Haley <aph@cygnus.com>
644 * except.c (func_eh_entry): Add emitted field.
645 (new_eh_region_entry): Set emitted field to 0;
646 (output_exception_table_entry): Only emit previously un-emitted data,
647 and send it to the eh_data section.
648 (output_exception_table): Break out common parts. Output
649 exception table for entire compilation unit to eh_data section.
650 (output_exception_table_data): Common parts of output_exception_table.
651 Send output to eh_data section.
652 (output_function_exception_table): Output exception table data for
653 a single function to eh_data section.
654 (free_exception_table): New external to free the table.
655 * except.h (free_exception_table): Add prototype.
656 (output_function_exception_table): Add prototype.
657 * final.c (final_end_function): Output function exception table
658 for IA64_UNWIND_INFO.
659 (final_scan_insn): Emit any unwind directives for an insn.
661 * frame-dwarf2.c: New file containing all DWARF 2 specific code
663 * frame.c: Remove all DWARF 2 specific code.
664 * config/ia64/frame-ia64.c: New file.
665 (gthread_stuff): Make all gthread available with
667 (dwarf_fde): Define an IA64 struct for dwarf_fde.
668 (__register_frame_info, __register_frame): Move to common area of file.
669 (__register_frame_info_table, __register_frame_table): Move to common i
671 (__deregister_frame_info, __deregister_frame): Move to common area.
672 (__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
673 (read_uleb128): New version for ia64.
674 (get_unwind_record): Read the next IA-64 unwind record.
675 (read_R_record): Read a region header record.
676 (process_a_b_reg_code): X record helper.
677 (read_X_record): Read an X format record.
678 (read_B_record): Read a B format record.
679 (P3_record_types): List of record types matching the P3 format.
680 (P7_record_types): List of record types matching the P7 format.
681 (P8_record_types): List of record types matching the P8 format.
682 (read_P_record): Read a P format record.
683 (init_ia64_reg_loc): Set default fields for a register.
684 (init_ia64_unwind_frame): Set defaults for all register records.
685 (execute_one_ia64_descriptor): Execute one descriptor record.
686 (rse_address_add): Calculate the position of a local reg in memory.
687 (normalize_reg_loc): Turn a location descriptor into a memory address.
688 (maybe_normalize_reg_loc): Only normalize a descriptor if it falls
689 within a specified PC offset range.
690 (get_real_reg_value): Given a register location, retrieve its value.
691 (set_real_reg_value): Change the value of a register location.
692 (copy_reg_value): Copy reg values, if needed.
693 (copy_saved_reg_state): Copy all registers that need to be copied.
694 (process_state_between): Normalize all frame register records that
695 fall within the specified PC range.
696 (frame_translate): Take a processed frame description, and turn
697 everything into addresses.
698 (build_ia64_frame_state ): Find and create frame state record for a PC.
699 (get_personality): Get the personality routine for a given frame.
700 (get_except_table): Get the exception table for a given frame.
701 (record_name): Unwind record names for debugging.
702 (print_record): Print and unwind record.
703 (print_all_records): Print an entire unwind image.
704 (__ia64_backtrace): Print a backtrace.
705 (ia64_backtrace_helper): New function.
706 (__register_frame_info_aux): New function.
707 * config/ia64/crtend.asm (__do_frame_setup_aux): New function.
709 * frame.h (enum unw_record_type): New unwind record types.
710 (struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
711 (struct unw_r_record, unwind_record): New unwind record structs.
712 (struct unwind_info_ptr): Unwind information layout.
713 (IA64_UNW_LOC_TYPE_*): Macros for different types for location
715 (struct ia64_reg_loc): Register location description.
716 (struct ia64_frame_state): Location of all registers in a frame.
717 (struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
718 * libgcc2.c (__ia64_personality_v1): Personality routine.
719 (__calc_caller_bsp): Calculate the bsp register for the caller's
721 (ia64_throw_helper): Figure out who to return to and set up the
723 (__throw): Throw routine.
725 * output.h (assemble_eh_align, assemble_eh_label): New functions
726 to generate EH info where we want it.
727 (assemble_eh_integer): New function.
728 * toplev.c (compile_file): Output module level exception table for
730 (main): Set exceptions_via_longjump and flag_new_exceptions based
731 on IA64_UNWIND_INFO too.
733 * varasm.c (assemble_eh_label): Generate a label via
734 ASM_OUTPUT_EH_LABEL if it has been specified.
735 (assemble_eh_align): Generate an alignment directive via
736 ASM_OUTPUT_EH_ALIGN if it has been specified.
737 (assemble_eh_label): Generate an integer value via
738 ASM_OUTPUT_EH_type if they have been specified.
739 * config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
740 (ia64_init_builtins): Add __builtin_ia64_bsp
741 and __builtin_ia64_flushrs.
742 (ia64_expand_builtin): Add IA64_BUILTIN_BSP and
743 IA64_BUILTIN_FLUSHRS.
744 * config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
745 IA64_BUILTIN_FLUSHRS.
747 * config/ia64/ia64.md (flushrs): New insn to flush the register
748 stack. Add to unspec list.
750 * config/ia64/crtbegin.asm (frame_object): Change size.
751 (__do_frame_setup_aux): New function.
752 * config/ia64/crtend.asm: call __do_frame_setup_aux.
753 * config/ia64/t-ia64 (LIB2ADDEH): Add.
754 * Makefile.in (LIB2ADDEH): Add.
755 (LIB2ADD): Use LIB2ADDEH.
757 2000-05-24 Richard Henderson <rth@cygnus.com>
759 * recog.c (offsettable_address_p): If mode size is zero, assume
762 2000-05-24 J. David Anglin <dave@hiauly.hia.nrc.ca>
764 * configure.in: Check for -Wno-long-long option support and improve
765 handling of warning CFLAGS for stages 1 and 2.
766 * Makefile.in (WARN_CFLAGS): Move definition to configure.in.
767 * configure: Regenerate.
769 Wed May 24 19:37:53 2000 Jeffrey A Law (law@cygnus.com)
771 * gcc.texi: Remove contributor list. Instead include contrib.texi.
772 * contrib.texi: New file.
774 Thu May 25 02:27:22 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
776 * loop.c (basic_induction_var): Avoid double recording of an increment.
778 Thu May 25 02:19:27 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
780 * Back out this patch:
781 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
782 * loop.h (struct induction): Add multi_insn_incr.
783 * loop.c (basic_induction_var): New multi_insn_incr argument.
784 Set it if we search back through previous insns for the biv.
785 (record_biv): New multi_insn_incr argument; fill in struct induction.
786 (strength_reduce): Discard an iv with multiple bivs, any of
787 which require multiple insns to increment.
789 * loop.c (check_insn_for_bivs): Remove bits copied from above patch.
791 Thu May 25 02:09:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
793 * rtl.h (loc_mentioned_in_p): Declare.
794 * reload.c (loc_mentioned_in_p): Moved from here...
795 * rtlanal.c (loc_mentioned_in_p): to here. No longer static.
796 Fix loop increment for 'E' handling.
797 * loop.c (strength_reduce): When doing biv->giv conversion,
798 take multi-insn biv increments into account.
800 2000-05-24 Jason Merrill <jason@casey.soma.redhat.com>
802 * stmt.c (expand_end_bindings): Look through NOTEs to find a
805 2000-05-24 Mark Mitchell <mark@codesourcery.com>
807 * calls.c (expand_call): Handle cleanups in tail-recursion
808 arguments analagously to cleanups in sibling calls.
810 2000-05-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
812 * simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
815 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
817 * expr.c (expand_assignment, store_expr, expand_expr,
818 expand_expr_unaligned): Set in_check_memory_usage while emitting
819 chkr_check_addr libcall.
821 2000-05-24 Nick Clifton <nickc@cygnus.com>
823 * fold-const.c (extract_muldiv): When constructing a
824 multiplier/divisor, do not expect const_binop to correctly
825 determine if overflow has occured, so check explicitly.
827 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
829 * c-decl.c (build_enumerator): Don't modify the value's type,
832 2000-05-24 Andreas Jaeger <aj@suse.de>
834 * mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
836 2000-05-24 Eric Christopher <echristo@cygnus.com>
838 * configure.in: Redefine inhibit_libc conditions.
839 * libgcc2.c: Remove inhibit_libc conditional define.
840 * configure: Regenerate.
842 2000-05-24 Phil Edwards <pme@sourceware.cygnus.com>
844 * configure.in: For --enable-languages=LIST, check for empty LIST.
845 * configure: Regenerate.
847 2000-05-24 Lars Brinkhoff <lars@nocrew.org>
849 * pdp11.h (STACK_BOUNDARY): Define.
851 2000-05-24 Jakub Jelinek <jakub@redhat.com>
853 * ifcvt.c (if_convert): Update life info globally.
855 2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
857 * emit-rtl.c (unshare_all_decls): New function.
858 (unshare_all_rtl): Call it.
860 2000-05-23 Nick Clifton <nickc@cygnus.com>
862 * configure.in: Treat 'strongarm' as if it were 'arm' when
863 determining cpu type.
865 * configure: Regenerate.
867 * config/arm/arm.c: Change 'char *' to 'const char *' for cases
868 where constant strings are involved.
870 * config/arm/arm.h (arm_condition_codes): Change type to 'const
873 * config/arm/arm-protos.h: Change 'char *' to 'const char *' for
874 cases where constant strings are involved.
876 Tue May 23 15:08:31 2000 Clinton Popetz <cpopetz@cygnus.com>
878 * config/sh/sh.c (gen_far_branch, split_branches): Update
879 to reflect new prototypes for redirect_jump and invert_jump.
880 (sh_insn_length_adjustment): Get rid of const warnings.
882 2000-05-23 Kazu Hirata <kazu@hxi.com>
884 * invoke.texi (Options for Debugging Your Program or GCC): Update
885 the names of dump files.
887 Tue May 23 13:58:52 2000 Philippe De Muyter <phdm@macqel.be>
889 * configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
890 * configure: Regenerated.
892 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
894 * simplify-rtx.c (SIGN_EXTEND): New macro.
895 (simplify_unary_operation, simplify_binary_operation,
896 simplify_relational_operation): Use SIGN_EXTEND. Make low
897 halves of (low, high) pairs unsigned if they weren't already.
898 (simplify_ternary_operation): Cast INTVAL to unsigned before
899 comparing to a MODE_BITSIZE.
901 2000-05-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
903 * aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
904 rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
906 * configure.in (gcc_AC_CHECK_DECLS): Call this instead of
907 gcc_AC_NEED_DECLARATIONS.
909 * dwarfout.c: Don't prototype time().
911 * gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
913 * system.h: Likewise.
915 * toplev.c: Likewise.
917 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
919 * c-decl.c (pushdecl): Invert sense of test for non-global types.
921 Tue May 23 18:11:42 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
923 * reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
925 2000-05-23 Jonathan Larmour <jlarmour@redhat.co.uk>
927 * config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
929 Tue May 23 06:50:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
931 * config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
932 (alpha_start_function): Never write ..ng label if VMS or NT.
933 (alpha_align_insns): Remove GP_IN_USE arg.
934 Alignment now unsigned.
935 (alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
936 * config/alpha/alpha.md (prologue_ldgp): Split into one define_expand
937 and two define_insn's.
939 2000-05-22 Richard Henderson <rth@cygnus.com>
941 * combine.c (simplify_comparison): Use trunc_int_for_mode.
943 2000-05-22 Richard Henderson <rth@cygnus.com>
945 * stor-layout.c (place_field): Change rli->size to rli->offset.
947 2000-05-22 Richard Henderson <rth@cygnus.com>
949 * function.c (thread_prologue_and_epilogue_insns): Make sure
950 existing line number notes appear after the prologue.
952 Mon May 22 21:49:00 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
954 * config/alpha/alpha.c (alpha_fnname): New static variable.
955 (print_operand, case '~'): New case.
956 (alpha_expand_prologue): Emit prologue_ldgp insn if needed.
957 (alpha_start_function): Set alpha_fnname.
958 Write "ng" label if no ldgp; don't write ldgp insn.
959 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
960 * config/alpha/alpha.md (prologue_ldgp): New define_insn.
962 Mon May 22 11:30:48 2000 Clinton Popetz <cpopetz@cygnus.com>
964 * jump.c (jump_optimize_1): Don't increment LABEL_NUSES
967 2000-05-22 Zack Weinberg <zack@wolery.cumb.org>
969 * varasm.c (eh_frame_section): Revert change to argument list.
971 Mon May 22 13:14:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
973 * optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
974 (gen_extend_insn, can_fix_p, can_float_p): Likewise.
976 * final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
977 dangling "else" that causes "break" to be conditional.
978 Also remove unneeded code at start.
980 Mon May 22 17:31:35 2000 Philippe De Muyter <phdm@macqel.be>
982 * m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
983 * fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
984 * gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
986 2000-05-22 Jakub Jelinek <jakub@redhat.com>
988 * config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
991 Mon May 22 06:57:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
993 * alias.c (record_component_aliases): New function.
994 * tree.h: Clean up some declarations and comments.
995 (record_component_aliases): New declaration.
996 * tree.c (get_alias_set): If type and has alias set, use it.
998 2000-05-22 Richard Henderson <rth@cygnus.com>
1000 * simplify-rtx.c (simplify_ternary_operation): Try to simplify
1001 IF_THEN_ELSE to a setcc form.
1002 * jump.c (can_reverse_comparison_p): Be prepared for insn null.
1004 2000-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1006 * fixinc/inclhack.def (sun_malloc): Handle `calloc'.
1007 (sun_malloc, sysz_stdtypes_for_sun): Add test_text.
1009 Sun May 21 16:42:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1011 * combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
1014 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
1016 * config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
1017 * config/mn10300/mn10300.c (print_operand): Likewise.
1019 * final.c (split_double): Right shift of negative values is not
1022 * ifcvt.c (if_convert): Scan and kill dead code.
1024 * emit-rtl.c (unshare_all_rtl): Store the copied rtx.
1026 2000-05-20 Zack Weinberg <zack@wolery.cumb.org>
1028 * diagnostic.c: Eliminate implicit int.
1029 * except.c, gcc.c: Add static prototypes.
1030 * final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
1031 * gensupport.c (process_rtx): Use XVEC to initialize vector
1034 * print-rtl.c: If DEBUG_REGISTER_NAMES, define static
1035 debug_reg_names instead of static reg_names. If not, define
1037 * regclass.c: Don't define global reg_names unless
1038 DEBUG_REGISTER_NAMES is defined.
1040 * reload1.c (order_regs_for_reload): Remove unused variable.
1041 * varasm.c: Include output.h after defaults.h. Define
1042 eh_frame_section as function of no args, not of unspecified args.
1044 * gcc.c: Constify argbuf; arguments to store_arg,
1045 process_command, main; elements of struct command and struct
1046 switchstr; local variables in execute, process_command, main.
1048 2000-05-20 Bruce Korb <bkorb@gnu.org>
1050 * fixinc/inclhack.def: many applications of c_fix=format + tests
1051 * fixinc/check.diff: regenerated
1052 * fixinc/fixincl.x: regenerated
1054 Sat May 20 09:30:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1056 * alias.c: Clarify some comments.
1057 (record_base_value): REGNO is unsigned.
1058 * rtl.h (record_base_value): Likewise.
1060 * alias.c (aliases_everything_p): Don't special-case QImode here.
1061 * c-common.c (c_get_alias_set): Do it here.
1062 Handle BIT_FIELD_REF by getting alias info for arg.
1065 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
1067 * mklibgcc.in: Restore rule to create ${dir}.
1069 Sat May 20 08:45:41 2000 H.J. Lu <hjl@gnu.org>
1071 * Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
1072 GCC_FOR_TARGET used by MULTILIBS.
1073 * mklibgcc.in: Make sure each .o file depends on the
1074 directory it will be in.
1075 Make the multilib directory depends libgcc.
1077 Sat May 20 08:29:28 2000 H.J. Lu <hjl@gnu.org>
1079 * Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
1081 Sat May 20 07:27:35 2000 Alexandre Oliva <aoliva@cygnus.com>
1083 * fold-const.c (make_range): Handle degenerated intervals.
1084 Fixes c-torture/execute/991221-1.c
1086 Fri May 19 18:16:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1088 * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
1089 * reload.c (find_equiv_reg): Likewise.
1090 * alias.c (init_alias_analysis): Likewise.
1091 Only call prologue_epilogue_contains on insns.
1092 * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
1093 * bb-reorder.c (hard-reg-set.h): Include earlier.
1094 * haifa-sched.c (hard-reg-set.h): Likewise.
1095 * ifcvt.c (hard-reg-set.h): Likewise.
1096 * local-alloc.c (hard-reg-set.h): Likewise.
1097 * loop.c (hard-reg-set.h): Likewise.
1098 * predict.c (hard-reg-set.h): Likewise.
1099 * regrename.c (hard-reg-set.h): Likewise.
1100 * flow.c (hard-reg-set.h): Likewise.
1101 (reg_set_to_hard_reg_set): New function.
1102 * bitmap.c (regs.h, basic-block.h): No longer include.
1103 (bitmap.h): Now include.
1104 * conflict.c (hard-reg-set.h): Include.
1105 * profile.c (hard-reg-set.h): Likewise.
1106 * print-rtl.c (hard-reg-set.h): Likewise.
1107 * sbitmap.c (hard-reg-set.h): Likewise.
1108 * toplev.c (hard-reg-set.h): Likewise.
1109 * unroll.c (hard-reg-set.h, basic-block.h): Likewise.
1110 * hard-reg-set.h (reg_names): Now constant.
1111 * regs.h (reg_names): Likewise.
1112 * regclass.c (reg_names): Likewise.
1113 * loop.h (basic-block.h): No longer include.
1114 (bitmap.h): Now include.
1115 * reload1.c (order_regs_for_reload): Avoid loop over reg sets.
1116 * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
1117 (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
1119 2000-05-19 Jan Hubicka <jh@suse.cz>
1120 Richard Henderson <rth@cygnus.com>
1122 * basic-block.h (struct edge_def): New field "count".
1123 (struct basic_block_def): Likewise.
1124 * flow.c (entry_exit_blocks): Add count fileds.
1125 (split_edge): Keep count information up-to-date.
1126 (dump_edge_info, dump_flow_info): Dump count fields.
1128 * final.c (count_instrumented_edges): Rename to edge from arc.
1129 (end_final): Update users.
1130 * profile.c: Include expr.h, basic-block.h.
1131 (struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
1132 (struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
1133 (ignore_next_note, return_label_execution_count): Kill.
1134 (bbg_file_name, da_file_name): Kill.
1135 (edge_info, bb_info): New structures.
1136 (EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
1137 (count_instrumented_edges, total_num_edges): Rename to edge from arc.
1138 (total_num_edges_instrumented): Likewise.
1139 (init_arc, expand_spanning_tree): Kill.
1140 (fill_spanning_tree, tablejump_entry_p): Kill.
1141 (instrument_edges): Rewrite from instrument_arcs to use
1142 commit_edge_insertions infrastructure.
1143 (compute_branch_probabilities): Remove arguments; rewrite for
1144 CFG infrastructure; use rtl_dump_file directly.
1145 (branch_prob, find_spanning_tree): Likewise.
1146 (union_groups, find_group): New.
1147 (init_branch_prob): Make bbg_file_name and da_file_name local.
1148 (end_branch_prob): Use rtl_dump_file directly.
1149 (init_edge_profiler): Rename to edge from arc.
1150 (output_arc_profiler): Kill.
1151 (gen_edge_profiler): New.
1152 (output_func_start_profiler): Turn off profiling. Make the
1153 constructor static when we can.
1154 * rtl.h (branch_prob, end_branch_prob): Update prototypes.
1156 * toplev.c (DFI_flow): Remove.
1157 (DFI_cfg, DFI_life): New.
1158 (dump_file): Update accordingly.
1159 (compile_file): Call end_branch_prob if profile_arc_flag too.
1160 (rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
1161 profiling after the CFG is built. Move flow1 life analysis to
1162 DFI_life. Always estimate remaining probabilities.
1164 2000-05-19 Richard Henderson <rth@cygnus.com>
1166 * ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
1168 * flow.c (make_edges): The sibling call edge to exit is abnormal.
1170 2000-05-19 Richard Henderson <rth@cygnus.com>
1172 * jump.c (redirect_jump): Add delete_unused argument. Don't
1173 remove labels and code following when LABEL_NUSES goes to zero.
1174 (invert_jump): Likewise.
1175 (jump_optimize_1): Fix redirect/invert arguments.
1176 (do_cross_jump, thread_jumps): Likewise.
1177 * flow.c (split_edge): Likewise.
1178 * reorg.c (optimize_skip): Likewise.
1179 (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
1180 * profile.c (instrument_arcs): Likewise.
1181 * loop.c (find_and_verify_loops): Likewise. Fix indentation.
1182 * rtl.h: Update prototypes.
1184 Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
1186 * ssa.c (convert_from_ssa): Tell life_analysis we need death
1188 (make_regs_equivalent_over_bad_edges): Only look at abnormal
1191 2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
1193 * cpphash.c (funlike_macroexpand): Make sure not to walk p1
1194 past l1 when deleting whitespace and markers.
1196 * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
1197 * cpplib.c (do_unassert): Put the list to compare against on
1200 2000-05-19 Bruce Korb <bkorb@gnu.org>
1202 * fixinc/README: cleaned up old documentation
1203 * fixinc/check.diff: regenerated & verified on OSR5 on ix86
1204 * fixinc/check.tpl: compute the list of needed directories
1205 emit "#if defined(name)" because of conflict
1206 omit machine name differences from output differences
1207 * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
1208 (machine_name): change test text to use `sed' markers
1209 * fixinc/fixincl.x: regen
1211 Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1213 * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
1216 2000-05-18 Chris Demetriou <cgd@sibyte.com>
1218 * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
1219 it to match the current practice.
1221 2000-05-18 Mark Mitchell <mark@codesourcery.com>
1223 * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
1225 2000-05-18 Richard Henderson <rth@cygnus.com>
1227 * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
1228 * rtl.h (insn_dependant_p): Declare it.
1229 * loop.c (strength_reduce): Use it.
1231 2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
1233 * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
1234 16-bit and 64-bit clean-up.
1236 2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
1238 * configure.in (*-pc-msdosdjgpp): Set float_format to none.
1239 * configure: Rebuilt.
1241 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
1243 * genopinit.c: Use $ for escape sequences in optab patterns.
1244 Remove backslashes from optab patterns. Change $A, $B, $C to
1245 expand to (int) whatever instead of just whatever; remove
1246 explicit (int) from all optab patterns.
1248 * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
1249 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
1250 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
1251 genrecog.c: Remove private copies of xmalloc, xrealloc, and
1254 2000-05-18 Richard Henderson <rth@cygnus.com>
1256 * jump.c (jump_optimize_1): Base minimum insn count during
1257 find_cross_jump on BRANCH_COST.
1259 2000-05-18 Jakub Jelinek <jakub@redhat.com>
1261 * print-rtl.c (print_rtx): Only print note line number as string
1262 if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
1263 * final.c (final_scan_insn): Do nothing for note line number 0.
1265 2000-05-18 Jakub Jelinek <jakub@redhat.com>
1267 * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
1268 from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
1269 NOTE_INSN_DELETED_LABEL.
1271 2000-05-18 Nick Clifton <nickc@cygnus.com>
1273 * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
1274 uninitialised data in .rodata not .bss, and do not interpret an
1275 error in the initialisation value as meaning that the variable
1276 should be placed in the .bss section.
1278 Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
1280 * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
1281 not `$ac_cv_prog_cc_cc_c_o'.
1282 * configure: Regenerated.
1284 2000-05-18 Chris Demetriou <cgd@sibyte.com>
1285 Richard Henderson <rth@cygnus.com>
1287 * c-common.h (enum c_tree_index): Add g77 type entries.
1288 (g77_integer_type_node, g77_uinteger_type_node): New.
1289 (g77_longint_type_node, g77_ulongint_type_node): New.
1290 * c-decl.c (init_decl_processing): Initialize them.
1292 2000-05-18 Richard Henderson <rth@cygnus.com>
1294 * config/h8300/h8300.md (subs patterns): Use %G to negate.
1296 * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
1297 (small_power_of_two): Likewise; use exact_log2.
1298 (adds_subs_operand, one_insn_adds_subs_operand): Remove.
1299 (output_adds_subs): Remove.
1300 (two_insn_adds_subs_operand): New.
1301 (split_adds_subs): New.
1302 * config/h8300/h8300-protos.h: Update.
1303 * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
1304 (CONST_OK_FOR_L): Match strict adds operands.
1305 (CONST_OK_FOR_N): Match struct subs operands.
1306 * config/h8300/h8300.md (adds_subs insns): Remove.
1307 (addhi patterns): Output adds/subs directly.
1308 (addsi_h8300h): Likewise.
1309 (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
1311 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
1313 * cppexp.c (parse_assertion): New.
1314 (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
1315 (_cpp_parse_expr): Remove case '#'. Don't set
1316 parsing_if_directive.
1317 * cpphash.c (collect_objlike_expansion,
1318 collect_funlike_expansion, collect_params,
1319 _cpp_create_definition): The list no longer has a trailing
1321 * cpphash.h (enum node_type): Add T_ASSERTION.
1322 (struct hashnode): Remove aschain, add pred.
1323 (struct predicate): New.
1326 * cpplex.c (expand_token_space): Handle both offset and
1328 (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
1329 (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
1330 _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
1331 _cpp_equiv_toklists): New.
1332 (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
1333 stop at any single-character token, not just newline.
1334 (_cpp_lex_token): Remove special cases for #define and #if.
1335 (cpp_get_token): Expect # as a separate token type. Remove
1337 (_cpp_get_directive_token): Remove DIRECTIVE case.
1338 (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
1340 * cpplib.c (_cpp_check_directive): Set dirno and
1341 SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
1342 (_cpp_handle_directive): Run # <number> through the same logic
1343 as normal directives.
1344 (do_define): Don't set parsing_define_directive. Use
1345 _cpp_scan_until. The list does not have a VSPACE at the end.
1346 (do_if): Save, clear, and restore only_seen_white around
1348 (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
1349 (do_assert, do_unassert): Rewrite.
1351 * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
1352 (LIST_OFFSET): New flag.
1353 (struct cpp_toklist): Replace dir_handler and dir_flags with
1355 (struct cpp_reader): Remove parsing_if_directive and
1356 parsing_define_directive.
1358 2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1360 * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
1361 following the cabs decl which terminate on the following line.
1362 Add the corresponding test_text case.
1364 2000-05-18 Neil Booth <NeilB@earthling.net>
1366 * cppinit.c (cpp_reader_init): Initialise col_adjust and
1367 default tab stop size.
1368 (no_num, OPT_ftabstop): New.
1369 (handle_option): Handle "ftabstop=" command-line option.
1370 (print_help): Document it.
1371 * cpplex.c (COLUMN): Remove.
1372 (handle_newline): Reset col_adjust.
1373 (skip_whitespace): Update col_adjust as tabs encountered.
1374 (_cpp_lex_line): Update to use col_adjust. Call
1375 skip_whitespace for all whitespace.
1376 * cpplib.h (struct cpp_options): New member tabstop.
1377 (struct cpp_reader): New member col_adjust.
1378 (CPP_BUF_COL): Update.
1379 (CPP_BUF_COLUMN): New.
1380 * cpp.texi: Document "-ftabstop=" command line option.
1382 Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
1384 * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
1386 * configure: Rebuilt.
1388 Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
1390 * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
1392 * tree.c (build_common_tree_nodes): Do not build TI nodes unless
1393 HOST_BITS_PER_WIDE_INT is >= 64.
1395 2000-05-17 Richard Henderson <rth@cygnus.com>
1397 * jump.c (jump_optimize_1): Remove inactive but real insns
1398 in jump-to-next-insn optimization.
1400 2000-05-17 Richard Henderson <rth@cygnus.com>
1402 * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
1403 unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
1404 Don't call recompute_reg_usage if no_new_pseudos is true.
1405 * lcm.c (optimize_mode_switching): Move ifdefs outside function.
1406 Return true if we did work; update global life information.
1407 * basic-block.h (optimize_mode_switching): Update decl.
1409 2000-05-17 Neil Booth <neilb@earthling.net>
1411 * cpplex.c (expand_name_space): Don't use ptrdiff_t.
1413 2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
1415 * cpplib.c: New feature, #pragma system_header.
1416 * cpp.texi: Document special treatment of system headers, and
1417 the various mechanisms to get a header that special treatment.
1419 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1421 * system.h (offsetof): Define at the very end, to ensure we prefer
1422 the platform's definition if available.
1424 2000-05-16 Bruce Korb <bkorb@gnu.org>
1426 * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
1427 * fixinc/server.c: likewise
1428 * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
1429 + #ifdef debugging code + use #def constant for
1431 * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
1432 on C++ math namespace
1434 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1436 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
1437 Don't check the return value of sprintf. Use asprintf to avoid
1440 Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
1442 * flags.h (warn_unused_function, warn_unused_label,
1443 warn_unused_parameter, warn_unused_variable, warn_unused_value):
1444 Replace ``warn_unused''.
1445 (set_Wunused): Add declaration.
1446 * toplev.c (set_Wunused): New function.
1447 (warn_unused_function, warn_unused_label, warn_unused_parameter,
1448 warn_unused_variable, warn_unused_value): New variables.
1449 (W_options): Add -Wunused-function, -Wunused-function,
1450 -Wunused-label, -Wunused-parameter, -Wunused-variable and
1451 -Wunused-value. Delete -Wunused. Handled in decode_W_option.
1453 * toplev.c (decode_W_option): Update -Wunused flags by calling
1455 * c-decl.c (c_decode_option): Ditto for -Wall.
1457 * stmt.c (expand_expr_stmt, expand_expr_stmt,
1458 warn_about_unused_variables): Replace warn_unused with more
1459 explicit warn_unused_value et.al.
1460 * function.c (expand_function_end): Ditto.
1461 * c-typeck.c (internal_build_compound_expr,
1462 internal_build_compound_expr): Ditto.
1463 * c-decl.c (poplevel, pop_label_level): Ditto.
1464 * toplev.c (check_global_declarations): Replace warn_unused with
1465 check for either warn_unused_function or warn_unused_variable.
1467 * gcc.1, invoke.texi (Warning Options): Document
1468 -Wunused-function, -Wunused-function, -Wunused-label,
1469 -Wunused-parameter, -Wunused-variable and -Wunused-value options.
1471 Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
1473 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
1474 $(srcdir), not in the current directory.
1476 2000-05-16 Richard Henderson <rth@cygnus.com>
1478 * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
1479 assembler supports it.
1480 (.fini, .init): Use a gp-relative indirect call.
1481 (__do_global_dtors_aux): Preserve the gp; rebundle.
1482 (__do_frame_setup): Likewise.
1483 * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
1484 (.init): Use a gp-relative indirect call.
1485 (__do_global_ctors_aux): Preserve the gp.
1487 2000-05-16 Richard Henderson <rth@cygnus.com>
1489 * flow.c (commit_one_edge_insertion): Be prepared for a return
1490 insn to be inserted on the edge with a normal jump.
1491 * jump.c (jump_optimize_1): Don't look to create return isns.
1493 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
1494 * jump.c (jump_optimize_1): Likewise.
1495 (returnjump_p): Verify the argument is a JUMP_INSN.
1496 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
1498 2000-05-16 Nick Clifton <nickc@cygnus.com>
1500 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
1501 GET_RTX_CLASS (GET_CODE ()) == 'i'.
1502 (large_insn_p): Ditto.
1503 (m32r_is_insn): New function: Return true if the insn contains
1504 an executable instruction.
1505 (m32r_adjust_insn): Use m32r_is_insn.
1506 (m32r_sched_reorder): Use m32r_is_insn.
1507 (m32r_sched_variable_issue): Use m32r_is_insn.
1509 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1511 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
1514 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
1516 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
1517 according to given options.
1519 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
1521 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
1522 if X has VOIDmode either.
1523 (LIMIT_RELOAD_CLASS): Similarly.
1525 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
1526 not "general_operand" to match the processor's capabilities.
1528 2000-05-16 Bruce Korb <bkorb@gnu.org>
1530 * fixinc/README: corrected return address
1531 * fixinc/check.diff: regenerate, now that test works
1532 * fixinc/fixfixes.c(format_fix,format_write): reformatted
1533 (char_macro_def_fix,char_macro_use_fix): corrected and
1534 rewrote to use regex to parse the text
1535 * fixinc/inclhack.def: more testing
1536 * fixinc/fixincl.x: regenerated
1538 * fixinc/inclhack.def: added several "test_text" attributes
1539 changed several fixes to use `c_fix = format'
1540 re-alphabetized the fixes
1542 * fixinc/check.diff: regenerate
1543 * fixinc/fixincl.x: regenerate
1544 * fixinc/check.tpl: added `sparc' and `netinet' to the list
1548 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
1550 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
1552 2000-05-15 Richard Henderson <rth@cygnus.com>
1554 * toplev.c (rest_of_compilation): Run full jump pass before
1555 find_basic_blocks of flow2.
1557 2000-05-15 Richard Henderson <rth@cygnus.com>
1559 * jump.c: Fix typos and clarify commentary from last change.
1560 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
1561 (safe_to_remove_jump_p): Remove.
1562 (condjump_label): Use pc_set.
1564 2000-05-15 Richard Henderson <rth@cygnus.com>
1566 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
1567 that get in the way after reload.
1568 (cond_exec_process_if_block): Skip a label heading THEN block.
1570 2000-05-15 Richard Henderson <rth@cygnus.com>
1572 * varasm.c (output_constant_pool): Abort instead of converting
1573 (improperly) deleted labels to zero.
1575 2000-05-16 Neil Booth <NeilB@earthling.net>
1577 * cpplex.c (parse_string2): Update comment.
1578 (cpp_lex_line): No special assertion treatment for '('.
1579 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
1580 * cpplib.h (SYNTAX_ASSERT): Remove.
1582 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
1584 * jump.c (condjump_p): Mark as depreached.
1585 (any_condump_p): New.
1586 (any_uncondump_p): New.
1588 (safe_to_remove_jump_p): New.
1589 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
1590 safe_to_remove_jump_p): Declare.
1592 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
1594 * calls.c: Re-install both patches reverted by last patch.
1595 (struct arg_data): New field tail_call_reg.
1596 (initialize_argument_information): Initialize tail_call_reg
1597 (load_register_parameters): New argument flags, use
1598 tail_call_reg when emiting tail call sequence.
1599 (expand_call): Update call of load_register_parameters;
1600 copy unadjusted_args_size to adjusted_args_size.
1602 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
1604 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
1605 and bct_p parameters to flags.
1606 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
1607 * rtl.h (loop_optimize): Update prototype.
1608 * toplev.c (rest_of_compilation): Update call of loop_optimize.
1610 2000-05-15 Jakub Jelinek <jakub@redhat.com>
1612 * calls.c (expand_call): Move expand_start_target_temps call after
1615 2000-05-15 Neil Booth <NeilB@earthling.net>
1617 * cpphash.c (trad_stringify, warn_trad_stringify,
1618 collect_params): Make some pointers pointers to const.
1619 * cpplex.c (auto_expand_name_space) Guaranteed to always
1620 expand by at least one character.
1621 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
1622 (struct token_spelling): Use const U_CHAR * rather than PTR.
1623 (expand_name_space): Fix up token pointers if name space
1624 is moved when expanding.
1625 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
1626 parse_string2, save_comment, spell_token, cpp_output_list):
1627 Update so the routines handle tokens with a direct pointer to
1628 their text, rather than an offset into the token's list's namebuf.
1629 (_cpp_lex_line): Rearrange for clarity.
1631 * cpplib.c (_cpp_check_directive): Similarly.
1632 (do_define): Make SYM a pointer to const.
1633 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
1634 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
1635 (TOK_OFFSET): Delete.
1638 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
1640 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
1643 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
1645 (logical_u_operand): Delete.
1646 (non_logical_cint_operand): Rewrite to take MODE into account.
1647 (non_logical_u_cint_operand): Delete.
1648 (boolean_operator): New function.
1649 (print_operand): Add new %q operand.
1650 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
1651 remove logical_u_operand and non_logical_u_cint_operand,
1652 update logical_operand and non_logical_cint_operand.
1653 * config/rs6000/rs6000.md: Rewrite the patterns for performing
1654 logical operations to use %q.
1656 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
1657 (movdi): Make similar to movsi.
1658 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
1659 is no such thing as a DImode CONST_DOUBLE.
1660 * config/rs6000/rs6000.c (output_toc): Likewise.
1662 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
1663 codes when old mnemonics are in use. Print register names
1664 for cc registers when requested.
1666 * optabs.c (expand_float): Don't allow mode widening that causes
1669 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
1670 flags to their current names -maix64 and -maix32.
1672 2000-05-14 Bruce Korb <bkorb@gnu.org>
1674 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
1675 and/or after current text of file
1676 * fixinc/fixlib.c(must_malloc):
1677 * fixinc/fixlib.h(must_malloc): + reformatting
1678 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
1679 with usages of ``c_fix = wrap;''
1680 Add several tests and use the ``c_fix = format'' fixer more.
1681 * fixinc/fixincl.x: regen
1682 * fixinc/check.diff: regen
1683 * fixinc/check.tpl: emit the associated header with the missing
1686 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
1688 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
1689 variables $src and $dst.
1691 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
1693 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
1694 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
1695 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
1696 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
1698 (set_message_prefixing_rule): Declare.
1700 * diagnostic.c: (current_prefixing_rule): New variable.
1701 (set_message_prefixing_rule): Define.
1702 (output_set_prefix): Adjust buffer->emitted_prefix_p.
1703 (init_output_buffer): Adjust Initialization.
1704 (output_emit_prefix): Rewrite. Take prefixing rules into account.
1706 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
1708 * ifcvt.c (if_convert): Do not free NULL.
1710 2000-05-12 Nick Clifton <nickc@cygnus.com>
1712 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
1713 to move a double word value.
1714 (di_operand): New function: Return true if the operand is suitbale
1715 for a double word move operation.
1716 (nonimmediate_di_operand): New function: Return true if the
1717 operand is a DImode register or MEM.
1719 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
1720 nonimmediate_di_operand.
1722 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
1723 nonimmediate_di_operand.
1725 * config/fr30/fr30.md (movdi): New pattern. Required because
1726 other patterns generate DImode results.
1727 (movdi_insn): New pattern.
1729 2000-05-12 Richard Henderson <rth@cygnus.com>
1731 * config/alpha/alpha.c (struct shadow_summary): Define
1732 bitfields as type unsigned int.
1734 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
1736 * config/avr/t-avr: Added definition of FLOAT while generates
1739 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
1740 peepholes for tst+jump = sbrs/sbrc optimization.
1742 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
1744 * expr.c (emit_push_insn): Do not adjust stack pointer when
1747 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
1749 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
1750 * system.h (offsetof): ... to here.
1752 2000-05-12 Richard Henderson <rth@cygnus.com>
1754 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
1755 * final.c (final_end_function): Use app_disable. Rearrange note
1756 handling into a switch. Emit deleted labels.
1757 (output_asm_label): Generate label strings for deleted labels.
1758 * flow.c (tail_recursion_label_list): New.
1759 (find_basic_blocks_1): Set label_value_list directly. Collect list
1760 of tail recursion labels from call_placeholders. Don't add deleted
1761 labels to the label value list.
1762 (cleanup_cfg): Use free_EXPR_LIST_list.
1763 (flow_delete_insn_chain): Turn non-removable labels into notes.
1764 (flow_delete_block): Don't disable deleting the block because of
1765 a non-removable label.
1766 (tail_recursion_label_p): New.
1767 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
1769 (merge_blocks_move_successor_nojumps): Likewise. Also move a
1771 (merge_blocks): Disable a merge because of tail recursion labels.
1772 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
1773 Use a more accurate measure of not merging the join block.
1774 (find_if_block): Don't disable conversion because of a label.
1775 (find_if_case_1, find_if_case_2): Likewise.
1776 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
1777 element when copying.
1778 (squeeze_notes): Also leave EH notes.
1779 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
1781 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
1783 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
1784 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
1785 referring to a deleted label. Convert tail handling to a switch.
1786 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
1787 for NOTE_INSN_DELETED_LABEL.
1788 (NOTE): Fix commentary.
1789 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
1790 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
1791 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
1792 (LABEL_NUSES, LABEL_REFS): Likewise.
1793 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
1795 2000-05-12 Bruce Korb <bkorb@gnu.org>
1797 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
1798 * fixinc/check.diff: updated
1799 * fixinc/inclhack.def: corrected & added some test_text-s
1800 * fixinc/genfixes: removed unneeded options to autogen invocation
1801 * fixinc/fixincl.tpl: Specified the output file
1802 * fixinc/fixfixes.c: visual appearance
1803 * fixinc/fixincl.x: regenerate
1805 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
1807 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
1808 CTRL_defn_fix): Delete.
1809 (fix_char_macro_defines, fix_char_macro_uses): Rename to
1810 char_macro_def_fix and char_macro_use_fix, respectively. Put
1811 them into the FIXUP_TABLE. Get the string to search for from
1814 (format_write): New function.
1815 (format_fix): Use it.
1817 (FIX_PROC_HEAD): Constify text parameter.
1818 (machine_name_fix): Constify all char *s.
1819 * fixtests.c (skip_quote): Remove double static.
1821 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
1822 ctrl_use_quotes): Update for new scheme.
1823 * fixincl.x: Regenerate.
1825 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
1827 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
1829 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
1830 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
1832 2000-05-11 Robert Lipe <robertlipe@usa.net>
1834 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
1835 * fixincl.x: Regenerate.
1837 2000-05-11 Richard Henderson <rth@cygnus.com>
1839 * calls.c: Revert both 05-09 patches.
1841 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
1843 * config/mn10300/mn10300.c (print_operand): Print FP constants in
1845 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
1848 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
1849 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
1851 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
1853 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
1855 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
1857 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
1859 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
1861 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
1862 * config/avr/avr.c (jump_over_one_insn_p): New function.
1863 * config/avr/avr.md: New peepholes added. Output test and
1864 conditional jump to "sbrc" or "sbrs" command.
1866 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
1868 * cppmain.c (main): Use IS_DIR_SEPARATOR.
1870 2000-05-11 Jakub Jelinek <jakub@redhat.com>
1872 * except.c (find_exception_handler_labels_1): New function.
1873 (find_exception_handler_labels): Split into two functions, dive
1874 into CALL_PLACEHOLDERs when looking for exception handler labels.
1876 2000-05-11 Stan Cox <scox@cygnus.com>
1878 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
1879 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
1880 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
1882 2000-05-11 Bruce Korb <bkorb@gnu.org>
1884 * fixinc/fixfixes.c (double_slash_fix): obsolete
1885 (else_endif_label_fix): obsolete
1886 (format_fix): new, unused as yet
1888 * fixinc/fixlib.h: added fix description struct for use by format_fix
1889 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
1890 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
1891 modules. Removed the vestiges of the script version.
1892 Added support for "make check".
1893 * fixinc/check.diff: base diff file (needs work!!)
1894 * fixinc/check.tpl: quiet the fixup output
1895 * fixinc/fixtests.c (main): obsolete
1896 * fixinc/fixincl.sh: don't bother copying fixincl to ..
1897 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
1899 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
1901 * toplev.c (rest_of_compilation): Remove dead code after
1904 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
1906 * cpphash.c (collect_funlike_expansion): Make "# is not
1907 followed by a macro argument name" a pedwarn, not an error.
1908 Preserve the # in the output. Suppress the warning if lang_asm.
1910 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
1912 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
1913 * configure: Rebuilt.
1915 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
1917 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
1919 2000-05-10 Kazu Hirata <kazu@hxi.com>
1921 * combine.c (try_combine): Fix a typo.
1923 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
1925 * config/ia64/ia64.md (insv): Add comment.
1927 2000-05-10 Richard Henderson <rth@cygnus.com>
1929 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
1930 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
1931 dependancies on FPBIT and DPBIT.
1933 2000-05-10 Nick Clifton <nickc@redhat.com>
1935 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
1936 when optimising for size.
1937 (mark_used_regs:) Ditto.
1938 (try_pre_increment_1): Ditto.
1940 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
1942 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
1943 Make error message friendlier.
1945 * cpphash.h (struct hashnode): Use struct hack for name
1947 * cpphash.c (struct hashdummy): New.
1948 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
1949 (make_HASHNODE): No need to set ->name pointer. Correct
1951 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
1953 2000-05-10 Richard Henderson <rth@cygnus.com>
1955 * flow.c (find_basic_blocks_1): Remove any spare bb_note
1958 2000-05-10 Bruce Korb <bkorb@gnu.org>
1960 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
1962 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
1964 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
1965 after we enter .debug.
1967 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
1969 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
1970 abstract instance of a nested inline function.
1972 * stor-layout.c (finish_record_layout): finalize_type_size
1973 before laying out the pending_statics.
1975 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
1977 * cpplex.c (spell_token): New function.
1978 (spell_string, spell_comment, spell_name): fold into
1981 (E, H): Remove macros.
1982 (save_comment): Save comment opening characters too.
1983 (_cpp_lex_file): Update to use spell_token. Tidy up comment
1985 * cpplib.h (I, S): Add macros.
1986 (E, H): Remove macros.
1987 (TTYPE_TABLE): Update entries for new speller.
1988 (SYNTAX_ASSERT): Remove.
1990 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
1992 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
1993 when removing escaped newlines. Reverse sense of test for
1996 2000-05-09 Richard Henderson <rth@cygnus.com>
1998 * flow.c (find_basic_blocks_1): Do not delete the first
1999 bb_note we run across.
2000 (create_basic_block): Use reorder_insns to move an existing
2001 bb_note to the correct place.
2003 2000-05-09 Richard Henderson <rth@cygnus.com>
2005 * calls.c (expand_call): Increment currently_expanding_call
2006 before calling optimize_tail_recursion.
2008 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2010 * reload1.c (reload_combine): Fix errors in last change.
2012 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
2014 * gcc.c (used_arg): Skip over a semicolon at the end of the
2015 split-up loop; don't break out of it.
2017 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
2018 (tree.o): Depend on output.h.
2020 * c-decl.c (pending_invalid_xref_file,
2021 current_function_prototype_file): Constify.
2022 (pushdecl): Constify a local char *.
2023 (define_label): Constify filename parameter.
2024 * c-lex.c (init_parse): Constify parameter and return value.
2025 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
2026 * c-tree.h: Update prototypes.
2027 * c-parse.in: Constify filename member of %union, and if_stmt_file.
2028 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
2029 objc/objc-parse.c: Regenerate.
2031 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
2032 * dwarfout.h: Update prototypes.
2033 * expr.c (expand_expr): Constify a local char *.
2034 * flags.h: Constify main_input_filename.
2035 * function.c (expand_function_end): Constify filename parameter.
2036 * genrecog.c (make_insn_sequence): Use a character array for
2038 (main): Remove unused variables.
2039 * input.h: Constify input_filename, main_input_filename, and
2040 file_stack.name. Update prototypes.
2041 * output.h: Declare first_global_object_name and
2042 weak_global_object_name here, as const char *.
2043 * stmt.c (expand_asm_operands): Constify filename parameter.
2044 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
2045 Constify filename parameter.
2046 (input_filename, main_input_filename): Constify.
2047 * toplev.h: Update prototypes.
2048 * tree.c: Include output.h. Don't declare
2049 first_global_object_name or weak_global_object_name. Clean up string
2050 bashing in get_file_function_name_long.
2051 * tree.h (struct tree_decl): Constify filename member.
2052 (input_filename): Constify.
2054 * varasm.c (first_global_object_name, weak_global_object_name):
2056 (assemble_start_function, assemble_variable): Clean up string bashing.
2058 * gcc.c: Constify all spec-related strings initialized,
2059 transitively, from string constants. Constify all strings
2060 and string variables related to multilibs.
2061 (set_spec, read_specs): Cast argument to free to PTR.
2062 (used_arg): Do not modify multilib_matches. Use strncmp plus
2063 length comparison to compare multilib switches.
2064 * genmultilib: Constify everything declared in multilib.h.
2066 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
2068 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
2071 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
2073 * config/avr/avr-protos.h (extra_constraint): change a type of
2074 second argument from char to int to avoid warnings.
2075 (asm_output_byte): Likewise.
2077 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
2078 (initial_elimination_offset): Handle elimination from
2079 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
2080 (legitimate_address_p): Use MAX_LD_OFFSET.
2081 (legitimize_address): Likewise.
2082 (out_movqi_r_mr): Likewise.
2083 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
2084 (out_movsi_r_mr): Use MAX_LD_OFFSET.
2085 (out_movsi_mr_r): Likewise.
2086 (out_movqi_mr_r): Likewise.
2087 (out_movhi_mr_r): Likewise.
2088 (notice_update_cc): Correct CC for the ashrqi3 with the shift
2089 count as CONST_INT != 6.
2090 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
2091 shift count is a CONSTANT_P, but not a CONST_INT.
2092 (ashlhi3_out): Coding style modifications.
2093 (ashlsi3_out): Likewise.
2094 (ashrhi3_out): Likewise.
2095 (ashrsi3_out): Likewise.
2096 (lshrhi3_out): Likewise.
2097 (lshrsi3_out): Likewise.
2098 (ashrqi3_out): Generate shift for any known constant count without
2099 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
2100 but not a CONST_INT.
2101 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
2102 shift count is a CONSTANT_P, but not a CONST_INT.
2103 (extra_constraint): change a type of
2104 second argument from char to int to avoid warnings.
2105 (asm_output_byte): Likewise.
2106 (asm_file_end): Output size generated commands count as a hex
2109 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
2111 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
2113 (ashlqi3): Values of "length" attribute changed. Shift count
2114 uses constraints 'n' instead of 'i'.
2115 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
2116 shifts without clobber register.
2117 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
2118 (call_insn): Correct test for which_alternative == 1 (was 0).
2119 (call_value_insn): Likewise.
2121 * config/avr/t-avr: Remove definition of FLOAT while generates
2124 2000-05-09 Bruce Korb <bkorb@gnu.org>
2126 * fixinc/check.tpl: Template for checking fixes
2127 * fixinc/inclhack.def: Added 'test_text' for many fixes
2128 disable hpux8_bogus_inlines on SCO
2129 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
2131 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
2133 * calls.c (expand_call): Reorganize somewhat in order
2134 to avoid unnecesary recalculation inside loop and make
2135 tail call failure code cleaner.
2137 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2139 * alias.c (nonlocal_reference_p): Minor reformatting.
2140 * reload.c (find_equiv_reg): Simplify logic for
2141 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
2142 some some reformatting.
2143 * reload1.c (reload_combine): Don't assume everything in
2144 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
2146 2000-05-08 Richard Henderson <rth@cygnus.com>
2148 * final.c (current_insn_predicate): New.
2149 (final_scan_insn): Set it.
2150 * output.h (current_insn_predicate): Declare.
2152 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
2153 Attach it to call insns.
2154 (cond_exec_process_if_block): Track probability for true and
2156 (dead_or_predicable): Likewise.
2158 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
2159 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
2160 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
2161 (estimate_probability, expected_value_to_br_prob): Use them.
2163 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
2164 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
2165 (ia64_expand_prediction): New.
2166 (emit_insn_group_barriers): Don't look at notes. Emit barriers
2167 as needed after calls.
2168 (ia64_epilogue_uses): Mark b0 used.
2169 * config/ia64/ia64.md (beq_true, beq_false): Remove.
2170 (bne_true, bne_false): Remove.
2171 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
2172 (br_true, br_false): New. Use predicate_operator and
2173 ia64_expand_prediction.
2174 (return_true, return_false): Likewise.
2175 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
2176 (call_internal1, call_value_internal): Likewise.
2177 (call_value_internal1, call_multiple_values_internal1): Likewise.
2179 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
2181 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
2183 2000-05-08 Richard Henderson <rth@cygnus.com>
2185 * rtlanal.c (may_trap_p): Consider old-style and volatile
2188 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
2190 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
2192 2000-05-08 Richard Henderson <rth@cygnus.com>
2194 * config/ia64/ia64.h (predicate_operator): Declare.
2196 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
2199 * gensupport.c (process_rtx): Copy and post-process each member
2200 of the define_insn rtvec individually.
2202 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
2204 * cpplex.c (spell_token): New function.
2205 (TOKEN_LEN): Add 1 for whitespace.
2206 (_cpp_lex_file): Update to use spell_token.
2207 * cpplib.h (E): Remove.
2208 (TTYPE_TABLE): Update CPP_VSPACE entry.
2210 2000-05-08 Richard Henderson <rth@cygnus.com>
2212 * flow.c (init_propagate_block_info): Watch out for conditional
2213 branch to next instruction, and thus one outgoing edge.
2215 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
2216 for global register variables; don't special case __[CD]TOR_LIST__;
2217 mind ggc_p for string allocation.
2219 2000-05-08 Nick Clifton <nickc@cygnus.com>
2221 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
2223 2000-05-08 Bruce Korb <bkorb@gnu.org>
2225 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
2226 i?86-*-msdosdjgpp* no longer uses fixincludes
2227 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
2228 * fixinc/inclhack.sh: deleted
2229 * fixinc/hackshell.tpl: deleted
2230 * fixinc/inclhack.tpl: deleted
2231 * fixinc/Makefile.in: Remove dependencies on above
2232 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
2234 2000-05-08 Andreas Jaeger <aj@suse.de>
2236 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
2239 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
2241 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
2244 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
2246 * cpplex.c: Move new lexer definitions and prototypes
2247 to top. Conditional include these and the code if
2248 NEW_LEXER is defined. Rename functions whose names
2249 clash if this code included.
2251 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
2253 * rtl.def (COND_EXEC): Clarify.
2255 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
2256 same fashion as zero_extendsidi2.
2258 2000-05-06 Richard Henderson <rth@cygnus.com>
2260 * config/ia64/ia64.c (predicate_operator): New.
2261 (ia64_print_operand): Handle 'J'.
2262 (rtx_needs_barrier): Handle COND_EXEC.
2263 * config/ia64/ia64.h (BRANCH_COST): Define.
2264 (PREDICATE_CODES): Update.
2265 * config/ia64/ia64.md: Docuement used unspec values.
2266 (attr predicable): New.
2267 (movxf, movxf_internal): New.
2268 (extendsfdf2): Don't comment out nop.
2269 (floatdidf2): Remove.
2270 (truncxfsf2, truncxfdf2, floatdixf2): New.
2271 (abssi2, absdi2): Put the neg in the "true" slot.
2272 (conditional branch instructions): Mark not predicable.
2273 (cmov*_internal): Use predicate_operator. Split to cond_exec.
2274 (abs*_internal): Likewise.
2275 (alloc, set_bsp): Mark not predicable.
2276 (barrier, insn_group_barrier, flush_cache): Likewise.
2277 (define_cond_exec): New.
2279 2000-05-06 Richard Henderson <rth@cygnus.com>
2281 * c-decl.c: Include "tm_p.h".
2283 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
2284 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
2285 (ia64_expand_op_and_fetch): Declare.
2286 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
2287 (setjmp_operand): Constify variables for XSTR.
2288 (ia64_encode_section_info): Likewise.
2289 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
2291 (ia64_asm_output_external): Constify name.
2292 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
2293 (process_for_unwind_directive): Provide switch default.
2294 (ia64_expand_compare_and_swap): Remove unused variables.
2295 (ia64_expand_builtin): Likewise.
2296 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
2299 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
2300 (symbolic_operand, function_operand, setjmp_operand): Likewise.
2301 (shift_count_operand, shift_32bit_count_operand): Likewise.
2302 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
2303 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
2304 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
2305 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
2306 (ia64_expand_builtin): Likewise.
2307 (call_multiple_values_operation): Make dest_regno unsigned.
2309 2000-05-06 Richard Henderson <rth@cygnus.com>
2311 * rtl.def (DEFINE_COND_EXEC): New.
2312 * md.texi: Document it.
2314 * gensupport.c (input_file): Remove.
2315 (struct queue_elem): Add lineno.
2316 (rtx_ready_queue): Remove.
2318 (predicable_default): New.
2319 (predicable_true, predicable_false): New.
2320 (define_attr_queue, define_attr_tail): New.
2321 (define_insn_queue, define_insn_tail): New.
2322 (define_cond_exec_queue, define_cond_exec_tail): New.
2323 (other_queue, other_tail): New.
2324 (queue_pattern): New.
2325 (process_rtx): Add patterns to the appropriate queues.
2326 (is_predicable, identify_predicable_attribute): New.
2327 (n_alternatives, collect_insn_data): New.
2328 (alter_predicate_for_insn, alter_test_for_insn): New.
2329 (shift_output_template, alter_output_for_insn): New.
2330 (process_one_cond_exec, process_define_cond_exec): New.
2331 (init_md_reader): Read the entire file. Process define_cond_exec.
2332 (read_md_rtx): Return elements from the queues.
2334 2000-05-06 Richard Henderson <rth@cygnus.com>
2336 * flow.c (mark_set_1): Don't update conditional life info
2337 if the register is not_dead.
2339 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
2341 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
2342 (mostlyclean): Also delete fixincl, fixinc.sh, and
2343 specs.ready, and make clean in the fixinc subdir.
2345 2000-05-06 Richard Henderson <rth@cygnus.com>
2347 * Makefile.in (gensupport.o): Compile for the host.
2348 (host-prefix gensuuprt.o): Remove.
2349 (genflags.o): Depend on gensupport.h and OBSTACK_H.
2350 (genattrtab.o): Likewise.
2351 (gencodes.o): Depend on gensupport.h.
2352 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
2353 (genpeep.o, genattr.o, genoutput.o): Likewise.
2355 * gensupport.c (obstack, rtl_obstack): New.
2356 (init_md_reader): Initialize rtl_obstack.
2357 * gensupport.h (rtl_obstack): Declare.
2358 (message_with_line): Declare.
2360 * genattr.c: Remove all traces of obstack manipulation.
2361 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
2362 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
2364 * genattrtab.c (obstack, rtl_obstack): Remove.
2365 (main): Don't init rtl_obstack.
2366 * genflags.c: Likewise.
2368 * genrecog.c (message_with_line): Move ...
2369 * gensupport.c: ... here.
2371 2000-05-06 Richard Henderson <rth@cygnus.com>
2373 * c-typeck.c (build_c_cast): Remove dead code.
2375 2000-05-06 Richard Henderson <rth@cygnus.com>
2377 * flow.c (split_edge): Don't allocate global_live_at_start for
2378 the new block unless the old blocks had them as well.
2380 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
2382 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
2383 test_bb if a or b uses x.
2385 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
2387 * cpphash.h: Remove conditional #define of __extension__.
2388 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
2389 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
2390 (ENABLE_RTL_CHECKING only).
2391 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
2392 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
2393 (ENABLE_TREE_CHECKING only).
2394 * varray.h: Add __extension__ to VARRAY_CHECK macro
2395 (ENABLE_CHECKING only).
2397 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2399 Use new tail-calling mechanism on ARM.
2400 * arm.md (sibcall, sibcall_value): New expands.
2401 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
2402 (tailcalling peepholes): Delete.
2403 (push_multi): Simplify.
2404 * arm.c (lr_save_eliminated): Delete definition.
2405 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
2406 (output_return_instruction): Remove checks on lr_save_eliminated.
2407 (output_arm_prologue): Remove old tail-calling code.
2408 (arm_output_epilogue): New parameter, really_return. All callers
2409 changed. Handle tail-calling epilogues.
2410 * arm.h (lr_save_eliminated): Delete declaration.
2411 (frame_pointer_needed): Delete declaration.
2412 * arm-protos.h (arm_output_epilogue): Adjust prototype.
2414 * arm.md (is_thumb): Examine symbol thumb_code, not expression
2416 * arm.c (thumb_code): Define it.
2417 (arm_override_options): Set it.
2418 * arm.h (thumb_code): Declare it.
2420 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2422 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
2424 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2426 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
2427 bogus clobber to insns.
2428 (load_multiple_operation, store_mulitple_operation): Don't check
2430 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
2432 * arm.md (and_scc, ior_scc): Add missing mode.
2434 * arm.md (call_value_symbol): Remove predicate from op2.
2436 * arm.h (SPECIAL_MODE_PREDICATES): Define.
2438 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2440 * expr.c (get_subtarget): New function.
2441 (force_operand, expand_expr, do_store_flag): Use it.
2443 * toplev.c (compile_file): Don't take strlen of NAME if null.
2445 2000-05-06 David Edelsohn <edelsohn@gnu.org>
2447 * xcoffout.c (xcoff_current_include_file,
2448 xcoff_current_function_file, xcoff_lastfile): Constify char *.
2449 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
2451 (xcoffout_declare_function): Make name 'const char *'.
2452 (xcoffout_end_epilogue): Make fname 'const char *'
2453 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
2454 xcoffout_declare_function, xcoffout_source_line): Match above.
2456 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
2458 * rs6000.c (print_operand): Fix lossage typo.
2459 (output_cbranch): Remove "cr" decoration for now.
2460 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
2462 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
2464 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
2467 2000-05-05 Bruce Korb <bkorb@gnu.org>
2469 * fixinc/genfixes: Improve the matching for make target names
2471 2000-05-05 Catherine Moore <clm@cygnus.com>
2473 * c-common.c (decl_attributes): For TYPE_DECLs attach the
2474 attribute to the decl.
2475 * c-decl.c (pushdecl): Propagate the USED attribute to the
2478 2000-05-05 Richard Henderson <rth@cygnus.com>
2480 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
2481 same way emit_group_load does.
2483 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
2485 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
2487 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
2490 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
2492 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
2494 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
2496 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
2497 to support -shared, on platforms with dynamic libraries.
2499 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
2501 * system.h (S_ISBLK): Provide fallback definition.
2503 2000-05-05 Geoff Berry <geoffb@bops.com>
2505 * extend.texi (Extended Asm): Document inability to give asm
2506 statements access to condition codes.
2508 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
2510 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
2511 as arg 2 of UNIQUE_SECTION.
2513 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
2515 * predict.c: Remove May 4 change.
2516 * bb-reorder.c (make_reorder_chain): Do not perform block movement
2517 if we have predicted the branch at 50-50 probability.
2519 2000-05-05 Richard Henderson <rth@cygnus.com>
2521 * flow.c (init_propagate_block_info): Fix merge error
2522 in HAVE_conditional_execution code.
2524 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
2526 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
2527 shift cycle for unknown shift count. Also generates dec + brpl.
2528 (ashlqi3_out): Don't generate dec + brpl which now generates by
2529 `out_shift_with_cnt'.
2530 (ashlhi3_out): Likewise.
2531 (ashlsi3_out): Likewise.
2532 (ashrqi3_out): Likewise.
2533 (ashrhi3_out): Likewise.
2534 (ashrsi3_out): Likewise.
2535 (lshrqi3_out): Likewise.
2536 (lshrhi3_out): Likewise.
2537 (lshrsi3_out): Likewise.
2539 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
2541 * gcc.c (free_split_directories): Correct typo in explanation
2542 of make_relative_prefix.
2544 2000-05-04 Geoff Keating <geoffk@cygnus.com>
2546 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
2547 comparison codes to branch_comparison_operator.
2549 2000-05-04 Richard Henderson <rth@cygnus.com>
2551 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
2553 2000-05-04 Richard Henderson <rth@cygnus.com>
2555 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
2556 (DPBIT_FUNCS): Remove _sf_to_usi.
2557 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
2559 * ifcvt.c (noce_process_if_block): Fail if A or B modified
2560 between condition and jump.
2562 * libgcc2.c (near eh_context_specific): Comment #endif string.
2563 * longlong.h: Don't use strings with embedded newlines.
2565 2000-05-04 Geoff Keating <geoffk@cygnus.com>
2567 * config/rs6000/rs6000-protos.h: Add output_cbranch.
2568 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
2569 (print_operand): Delete %t and %T codes.
2570 (output_cbranch): New function. Support branch prediction.
2571 * config/rs6000/rs6000.md: Use output_cbranch for
2572 conditional branches and returns.
2574 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
2576 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
2577 * stor-layout.c (place_field): Likewise.
2578 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
2579 * expr.c (store_expr): Make align unsigned.
2580 * explow.c (plus_constant_wide): Make low words unsigned.
2581 * expmed.c (choose_multiplier): Likewise.
2582 * fold-const.c (fold): Likewise.
2583 * tree.h (build_int_2): Likewise.
2584 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
2585 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
2586 (init_emit): Change cast to unsigned char*.
2587 * varasm.c (compare_constant_1): Add cast to char*.
2588 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
2589 * reload1.c (reload): Likewise.
2591 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
2593 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
2595 * predict.c (estimate_probability): If no prediction was found, then
2596 predict the successor that is the next physical block (if such a
2599 2000-05-04 Richard Henderson <rth@cygnus.com>
2601 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
2603 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2605 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
2607 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
2609 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
2610 attribute macros from here ...
2611 (CPP_SPEC): to here.
2612 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
2613 (CPP_SPEC): Likewise.
2614 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
2616 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
2617 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
2619 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2621 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
2623 * diagnostic (vbuild_message_string, build_message_string,
2624 build_location_prefix, output_get_prefix, init_output_buffer,
2625 output_notice, vline_wrapper_message_with_location,
2626 v_message_with_decl, default_print_error_function): De-constify.
2627 (set_real_maximum_length): Prototype.
2629 * diagnostic.h (struct output_buffer, init_output_buffer,
2630 output_get_prefix, output_set_prefix): De-constify.
2632 * function.c (init_function_start): Constify.
2634 * gensupport.c (remove_constraints, process_rtx): Prototype.
2636 * gthr-posix.h: Indent uses of #pragma.
2638 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
2641 * predict.c (find_expected_value): Delete prototype.
2642 (expected_value_to_br_prob): Initialize variable `ev_reg'.
2644 * sbitmap.h (debug_sbitmap): Prototype.
2646 * ssa.c (compute_coalesced_reg_partition): Prototype.
2648 * stor-layout.c (debug_rli): Prototype.
2650 * tree.h (round_down): Prototype.
2651 (init_function_start): Constify.
2653 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
2655 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
2656 (overly conservative). Change extern inline wrappers to
2657 static inline, define them always, use PARAMS properly.
2658 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
2659 whitespace warnings for \f and \v at the beginning of a line.
2661 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
2663 * haifa-sched.c (schedule_insns): Free the flow edge list when it
2666 2000-05-04 Bruce Korb <bkorb@gnu.org>
2668 * fixincl/inclhack.def: added broken_cabs -
2669 Remove `extern double cabs' declarations from math.h
2670 * fixincl/inclhack.sh: regen
2671 * fixincl/fixincl.x: regen
2672 * fixincl/fixincl.c: Remove BOGOSITY code
2673 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
2675 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2677 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
2679 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
2680 when calling MEM_COPY_ATTRIBUTES.
2681 * emit-rtl.c (operand_subword, change_address): Likewise.
2682 * explow.c (stabilize): Likewise.
2683 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
2684 * integrate.c (copy_rtx_and_substitute): Likewise.
2685 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
2686 when calling MEM_COPY_ATTRIBUTES.
2687 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
2689 * cse.c (gen_lowpart_if_possible): Likewise.
2690 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
2691 * optabs.c (gen_move_insn): Likewise.
2692 * recog.c (validate_replace_rtx_1): Likewise.
2693 * simplify-rtx.c (add_mem_for_addr): Likewise.
2694 * stmt.c (expand_anon_union_decl): Likewise.
2695 * config/arm/arm.md: Likewise.
2696 * config/h8300/h7300.c (fix_bit_operand): Likewise.
2697 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
2698 (block_move_no_loop, block_move_sequence): Likewise.
2699 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
2700 * config/alpha/alpha.c (get_aligned_mem): Likewise.
2701 Clear MEM_ALIAS_SET.
2702 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
2703 MEM_COPY_ATTRIBUTES.
2705 2000-05-03 Robert Lipe <robertlipe@usa.net>
2707 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
2708 to suppress libgcc1.
2709 (i[34567]86-*-sco3.2v5*) Likewise.
2710 (i[34567]86-*-sco3.2v4*) Likewise.
2711 (i[34567]86-*-sco) Likewise.
2712 (i[34567]86-*-solaris2) Likewise.
2713 (i[34567]86-*-sysv5*) Likewise.
2714 (i[34567]86-*-sysv4*) Likewise.
2715 (i[34567]86-*-udk*) Likewise.
2716 (i[34567]86-*-sysv*) Likewise.
2718 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
2720 * cpphash.h (U): New define, to correct type of string constants.
2721 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
2722 routines, to do casts when passing unsigned strings to libc.
2723 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
2725 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
2726 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
2727 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
2728 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
2729 second argument an U_CHAR *.
2731 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
2732 length field, clean up initializer.
2733 (ISTABLE): Add __extension__ to designated-
2734 initializers version.
2735 * cpplex.c (CHARTAB): Likewise.
2737 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
2738 case so the file won't be empty.
2740 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
2742 * bb-reorder.c (struct reorder_block_def): Member succ removed.
2743 (REORDER_BLOCK_SUCC): Removed.
2744 (enum reorder_skip_type): Removed.
2745 (skip_insns_between_block): Renamed to skip_insns_after_block.
2746 Removed second argument. Removed dead code and cleaned up.
2747 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
2748 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
2749 second parameter to skip_insns_after_block.
2751 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2753 * tree.c (staticp, case LABEL_DECL): New case.
2755 2000-05-03 Richard Henderson <rth@cygnus.com>
2757 * Makefile.in (start.encap): Do not depend on LIBGCC1.
2759 * mklibgcc1.in: Fix typo last change.
2761 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
2763 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
2764 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
2765 (GCC_CFLAGS): Use it.
2766 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
2767 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
2768 objc/Make-lang.in: Use it.
2770 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
2772 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
2774 2000-05-03 Richard Henderson <rth@cygnus.com>
2776 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
2777 LIBGCC1 empty with libgcc1.null.
2779 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
2781 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
2784 2000-05-03 Greg McGary <gkm@gnu.org>
2786 * tree.h (tree_common): Add bounded_flag member. Remove
2787 inaccurate comment about number of remaining bits.
2788 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
2789 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
2790 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
2791 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
2792 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
2793 (TYPE_QUAL_BOUNDED): New constant.
2794 (TYPE_QUALS): Handle bounded qualifier.
2795 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
2796 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
2797 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
2798 TYPE_AMBIENT_BOUNDEDNESS): New macros.
2799 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
2800 (tree_type): Add pointer_depth member. Remove
2801 inaccurate comment about number of remaining bits.
2802 (DECL_POINTER_DEPTH): Add macro.
2803 (tree_decl): Add pointer_depth member.
2805 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
2807 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
2808 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
2809 (lshrhi3_out): Likewise.
2810 (ashrsi3_out): bugfix in shift by 8.
2811 (test_hard_reg_class): New function.
2812 * config/avr/avr.md: Bugfix inside conditions in peepholes.
2813 (ashlhi3): removed define_expand of this pattern.
2814 (*ashlhi3_insn): renamed to ashlhi3.
2815 (ashlsi3): removed define_expand of this pattern.
2816 (*ashlsi3_insn): renamed to ashlsi3.
2817 (ashrqi3): removed define_expand of this pattern.
2818 (*ashrqi3_insn): renamed to ashrqi3.
2819 (ashrhi3): removed define_expand of this pattern.
2820 (*ashrhi3_insn): renamed to ashrhi3.
2821 (ashrsi3): removed define_expand of this pattern.
2822 (*ashrsi3_insn): renamed to ashrsi3.
2823 (lshrhi3): removed define_expand of this pattern.
2824 (*lshrhi3_insn): renamed to lshrhi3.
2825 (lshrsi3): removed define_expand of this pattern.
2826 (*lshrsi3_insn): renamed to lshrsi3.
2828 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
2830 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
2831 inclusion of "system.h".
2833 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
2835 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
2838 2000-05-03 David Mosberger <davidm@hpl.hp.com>
2840 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
2841 if -mauto-pic is on.
2842 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
2843 -mconstant-gp is in effect and function-descriptors are being used
2844 to make indirect calls.
2845 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
2846 (MASK_AUTO_PIC): Ditto.
2847 (TARGET_CONST_GP): Ditto.
2848 (TARGET_AUTO_PIC): Ditto.
2849 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
2850 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
2851 -mno-pic is in effect.
2852 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
2853 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
2854 -mauto-pic is in effect.
2855 (gprel64_offset): New pattern.
2856 (load_gprel64): Ditto.
2857 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
2858 -mconstant-gp is in effect, no need to preserve gp around direct
2860 (call_value): Ditto.
2861 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
2862 (FUNCTION_PROFILER): Define.
2863 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
2864 @fptr() directive when -mno-pic or -mauto-pic is in effect.
2865 (ASM_OUTPUT_DESTRUCTOR): Ditto.
2867 2000-05-03 Richard Henderson <rth@cygnus.com>
2869 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
2870 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
2871 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
2872 (mklibgcc, libgcc.mk): New targets.
2873 (libgcc.a): Use libgcc.mk.
2874 (stmp-multilib): Likewise.
2875 (stmp-multilib-sub): Remove.
2876 (mostlyclean): Don't delete libgcc2 temp files.
2877 * configure.in (AC_PROG_CC_C_O): Add.
2878 (NO_MINUS_C_MINUS_O): Substitute it.
2879 (all_outputs): Add mklibgcc.
2880 * mklibgcc.in: New file.
2882 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
2884 * cppexp.c (op_t): Make an int.
2886 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
2888 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
2890 * gensupport.c (process_rtx): Fix macros used.
2892 2000-05-03 Richard Henderson <rth@cygnus.com>
2894 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
2895 call-clobbered registers of a call.
2897 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
2899 * gensupport.c: New file.
2900 * gensupport.h: New file.
2901 * Makefile.in (HOST_RTL): Depend on gensupport.
2902 (gensupport.o) New rule.
2903 * genattr.c: Use gensupport for reading .md files.
2904 * genattrtab.c: Ditto.
2905 * gencodes.c: Ditto.
2906 * genconfig.c: Ditto.
2908 * genextract.c: Ditto.
2909 * genflags.c: Ditto.
2910 * genopinit.c: Ditto.
2911 * genoutput.c: Ditto.
2913 * genrecog.c: Ditto.
2914 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
2915 * md.texi (Insn Splitting): Document define_insn_and_split.
2917 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
2919 * flow.c (verify_flow_info): Added two more sanity checks. The
2920 first checks that the blocks are numbered consecutively. The second
2921 checks that n_basic_blocks is actually equal to the number of
2922 basic blocks in the insn chain.
2924 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
2926 * cpplib.h: Add accessor macros for token lists.
2927 * cpplib.c, cpphash.c, cpplex.c: Use them.
2929 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2931 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
2932 memory usage if not in a function.
2933 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
2934 return address if static.
2936 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
2938 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
2939 whether address may trap.
2941 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
2943 * bb-reorder (chain_reorder_blocks): Changed code to test for
2944 EDGE_FALLTHRU rather than making erroneous assumption that the
2945 first outgoing edge is the fall-through edge.
2947 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
2949 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
2950 ABI for varargs, across all MIPS. This is incompatible because the
2951 va_list (__builtin_va_list) structure is different, so a compilation
2952 unit passing a va_list and a compilation unit being passed one, should
2953 both be compiled with the same ABI. (The old structure had two
2954 pointers, now it has three.)
2956 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
2958 * bb-reorder.c (struct reorder_block_def): Remove members end,
2959 block_begin, and block_end.
2960 (REORDER_BLOCK_OLD_END): Delete.
2961 (REORDER_BLOCK_BEGIN): Delete.
2962 (REORDER_BLOCK_END): Delete.
2963 (chain_reorder_blocks): Remove dead code.
2965 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
2967 * bb-reorder.c (remove_scope_notes): Check for both types of scope
2968 notes as the end of a basic block before deleting.
2970 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
2972 * final.c (final_start_function): Fix spelling of "necessary".
2974 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
2976 * toplev.c (debug_ignore_block): Return int.
2977 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
2978 * toplev.h, dwarf2out.h: Adjust.
2979 * emit-rtl.c (remove_unnecessary_notes): Test return value.
2981 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
2982 * toplev.c, final.c, rtl.h: Adjust.
2984 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
2986 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
2987 * configure.in: Look for makeinfo in the unified tree, then
2988 for a system makeinfo which is sufficiently new.
2989 * Makefile.in: If configure says makeinfo is too old, don't
2990 build or install Info documentation.
2992 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
2994 * cpphash.c (collect_params): Fix off-by-one error.
2995 (dump_hash_helper): Dump all four macro nodetypes.
2997 2000-05-02 Jakub Jelinek <jakub@redhat.com>
2999 * cpphash.c (trad_stringify): Adjust p after stringification as
3002 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
3004 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
3005 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
3007 * cppfiles.c (file_cleanup): Delete.
3008 * cpphash.c (macro_cleanup): Delete.
3009 (collect_objlike_expansion, collect_funlike_expansion,
3010 macarg, scan_arguments): Remove CPP_POP case.
3012 * cpplex.c (null_cleanup): Delete.
3013 (cpp_pop_buffer): Do the work that was done in the cleanups
3014 here. Call _cpp_unwind_if_stack from here.
3015 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
3016 cpp_scan_buffer): Run until we see CPP_EOF and the top of
3017 stack is the buffer _below_ the one we stacked.
3018 (cpp_get_token): Always pop an exhausted buffer. Return
3019 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
3020 * cpplib.c (skip_if_group): Don't call cpp_get_token to
3021 increment the line number.
3022 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
3024 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
3025 we see CPP_EOF and the top of stack is the buffer _below_ the
3027 * scan-decls.c: Likewise.
3029 2000-05-02 Andrew Haley <aph@cygnus.com>
3031 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
3032 where this function is called for the second time on a decl that
3033 has had its section info changed in such a way as to move it out
3035 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
3037 2000-05-01 Richard Henderson <rth@cygnus.com>
3039 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
3040 the sequence we're moving, not to merge_bb->head.
3042 2000-05-01 Richard Henderson <rth@cygnus.com>
3044 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
3045 reference to alpha/t-linux.
3046 (alpha*-*-linux-gnu*): Likewise.
3047 * configure: Rebuild.
3049 * calls.c (expand_call): Don't emit reg notes for a sibcall.
3051 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
3054 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
3056 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
3058 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
3061 2000-05-01 Richard Henderson <rth@cygnus.com>
3063 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
3064 emit_conditional_move.
3066 2000-05-01 Jakub Jelinek <jakub@redhat.com>
3068 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
3069 as the dynamic linker.
3071 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
3073 * cppfiles.c (open_include_file): Open file in blocking mode.
3074 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
3075 Only exclude block devices and directories.
3077 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
3078 static. Allocate the hashnode and its string in the same
3080 (del_HASHNODE): Don't free h->name.
3081 (_cpp_lookup): If there is no entry for this string, create
3082 one, of type T_VOID.
3083 (_cpp_lookup_slot): Delete.
3084 * cpphash.h: Update prototypes.
3086 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
3088 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
3089 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
3090 node here, just fill in the value field properly. "Delete"
3091 entries by setting the value field to T_VOID. Check for
3092 hp->type == T_VOID, not hp == NULL.
3094 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
3095 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
3098 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
3100 * config/mn10300/mn10300.c (print_operand_address): Do not add
3103 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
3104 adjusted by less than 256 bytes, use ret regardless of having any
3105 callee-saved register to restore.
3107 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
3109 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
3111 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
3113 * config/i386/djgpp.h (INT_ASM_OP): Define.
3114 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
3115 (ASM_WEAKEN_LABEL): Define.
3116 (MASK_BNU210): Define.
3117 (SUBTARGET_SWITCHES): Define.
3118 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
3119 (MAKE_DECL_ONE_ONLY): Define.
3120 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
3122 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
3124 * i386/cygwin.h (INT_ASM_OP): Define.
3126 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
3128 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
3129 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
3131 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
3133 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
3134 __tmp_reg__ and __zero_reg__ initialization.
3136 2000-04-30 Richard Henderson <rth@cygnus.com>
3138 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
3140 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
3141 referenced bewteen the condition and the jump. Don't delete
3142 anything but the jump.
3144 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
3146 * bb-reorder.c (scope_def): New struct.
3147 (scope_forest_info): New struct.
3148 (struct reorder_block_def): New member "scope".
3149 (REORDER_BLOCK_SCOPE): New macro.
3150 (relate_bbs_with_scopes): New function and prototype.
3151 (make_new_scope): Likewise.
3152 (build_scope_forest): Likewise.
3153 (remove_scope_notes): Likewise.
3154 (insert_intra_1): Likewise.
3155 (insert_intra_bb_scope_notes): Likewise.
3156 (insert_inter_bb_scope_notes): Likewise.
3157 (rebuild_scope_notes): Likewise.
3158 (free_scope_forest_1): Likewise.
3159 (free_scope_forest): Likewise.
3160 (dump_scope_forest): Likewise.
3161 (dump_scope_forest_1): Likewise.
3162 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
3163 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
3165 (reorder_basic_blocks): Added calls to build_scope_scope_forest
3166 and remove_scope_notes before reordering is done. Added calls to
3167 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
3168 after reordering is done.
3170 2000-40-30 Bruce Korb <bkorb@gnu.org>
3172 * fixinc/inclhack.def: Added definitions needed by OSR5,
3173 removed two stale entries (defined away with OLD_CPP).
3174 * fixinc/inclhack.sh: regen
3175 * fixinc/fixincl.x: regen
3177 2000-04-30 Richard Henderson <rth@cygnus.com>
3179 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
3180 from the last insn in the sequence.
3182 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
3184 * cpplex.c (cpp_idcmp): New function.
3185 * cpplib.h: Prototype it.
3186 * scan_decls.c (scan_decls): Use it to inspect token names.
3187 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
3188 the file being run through the preprocessor.
3189 (check_macro_names): Provide length of token to cpp_defined.
3191 * Makefile.in: Remove stale warning message.
3193 * cppfiles.c (redundant_include_p): Provide length of token to
3195 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
3196 values are unsigned int.
3197 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
3198 (_cpp_lookup_slot): Do not calculate the hash, either.
3199 * cpphash.h: Update prototypes.
3200 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
3201 Hashes are unsigned int. Calculate hash here, pass by value
3202 to _cpp_lookup_slot.
3204 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
3206 * simplify-rtx.c (check_value_useless): Delete function.
3207 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
3209 (cselib_invalidate_regno): Likewise.
3210 (cselib_invalidate_mem_1): Likewise.
3211 (references_value_p): Recognize useless values by the fact that they
3213 (discard_useless_values): Likewise.
3214 (cselib_record_set): This may turn a useless value
3217 2000-04-30 Richard Henderson <rth@cygnus.com>
3219 * config/d30v: New port.
3221 * configure.in (d30v-*): Set fp format.
3222 * configure: Rebuild.
3224 2000-04-30 Richard Henderson <rth@cygnus.com>
3226 * ifcvt.c: New file.
3227 * Makefile.in (OBJS): Add it.
3228 (ifcvt.o): New target.
3229 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
3230 and conditional arithmetic.
3231 (find_insert_position): Remove.
3232 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
3233 * toplev.c (DFI_ce, DFI_ce2): New.
3234 (dump_file): Add ce and ce2 dumps.
3235 (rest_of_compilation): Run if_convert a couple o times. Set
3236 cse_not_expected after cse2. Don't set no_new_pseudos until
3237 after sched1 or recompute_reg_usage.
3239 2000-04-30 Richard Henderson <rth@cygnus.com>
3241 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
3242 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
3244 2000-04-30 Richard Henderson <rth@cygnus.com>
3246 * flow.c (struct reg_cond_life_info): New.
3247 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
3248 (init_propagate_block_info): Initialize them.
3249 (free_propagate_block_info): Destruct them.
3250 (mark_set_1): Consider conditional life before killing a register.
3251 (mark_regno_cond_dead): New.
3252 (free_reg_cond_life_info): New.
3253 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
3254 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
3255 (mark_used_reg): Record conditional life.
3257 * haifa-sched.c (schedule_insns): Disable death counting
3258 sanity check for HAVE_conditional_execution.
3260 2000-04-30 Richard Henderson <rth@cygnus.com>
3262 * Makefile.in (TIMEVAR_H): New.
3263 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
3264 (timevar.h): Remove rule.
3266 2000-04-29 Richard Henderson <rth@cygnus.com>
3268 * config/alpha/crtend.asm: Use C comments instead of #.
3269 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
3271 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
3273 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
3275 * cpphash.h (enum node_type: Take out T_MCONST.
3276 (union hashval): Move into struct hashnode.
3277 (struct hashnode): Pack tighter. Remove file, line, col
3279 * cpphash.c: Constify most of the macro-definition structures.
3280 (struct definition): Replace by struct object_defn
3281 and struct funct_defn. Put file, line, column information
3282 here. All users updated to match.
3283 (_cpp_create_definition, _cpp_macroexpand): Remove special
3284 case for #define WORD OTHERWORD.
3285 * cpplib.c (do_undef): Remove T_MCONST case.
3287 * cpphash.h: Move struct reflist, struct definition, and the
3288 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
3289 union hashval. _cpp_free_definition takes a HASHNODE pointer.
3290 * cpphash.c (_cpp_free_definition): Free data pointed to by
3291 MCONST, XCONST, MACRO, and FMACRO nodes properly.
3292 (_cpp_create_definition, del_HASHNODE): Just call
3293 _cpp_free_definition to clear out a hashnode.
3294 * cpplib.c (do_pragma_poison): Likewise.
3296 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
3298 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
3299 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
3300 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
3301 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
3302 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
3303 REGNO_AM33_P): Redefine in terms of the new macros.
3304 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
3305 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
3306 STRUCT_VALUE): Likewise.
3307 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
3308 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
3310 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
3312 * regmove.c (struct record_stack_memrefs_data): New.
3313 (record_stack_memrefs): New function.
3314 (combine_stack_adjustments_for_block): Use it.
3316 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
3318 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
3319 use special_function_p to detect alloca.
3321 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
3323 * gcc.texi: Fixes for makeinfo 4.0 --html.
3325 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
3327 * pcp.h: Delete file.
3329 2000-04-28 Kazu Hirata <kazu@hxi.com>
3331 * h8300.c (function_epilogue): Clean up flags when the last insn
3332 in a function is a barrier.
3334 2000-04-28 Chris Demetriou <cgd@sibyte.com>
3336 * configure.in (sparc-hal-solaris2*): protect [] glob from
3338 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
3339 rather than hard-coded constants in target_cpu_default2.
3340 * configure: Regenerate.
3342 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
3344 * tree.c (get_callee_fndecl): Extract the initial value from
3347 2000-04-28 Richard Henderson <rth@cygnus.com>
3349 * varasm.c (record_constant_1): Record the CODE_LABEL when
3350 taking the address of a LABEL_REF.
3352 2000-04-28 Richard Henderson <rth@cygnus.com>
3353 Jan Hubicka <jh@suse.cz>
3355 * calls.c (combine_pending_stack_adjustment_and_call): Return the
3356 adjustment; don't do the stack adjust.
3357 (expand_call): Call compute_argument_block_size right before
3358 allocating the block; update comment; don't do alignment sanity
3359 checking for sibling call; use args_size instead of
3360 unadjusted_args_size before args_size is adjusted. Use
3361 combine_pending_stack_adjustment_and_call to compute stack adjust
3362 for must_preallocate case.
3364 * expr.c (push_block): Remove shadow `temp' in inner scope.
3366 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
3368 * toplev.c (rest_of_compilation): Call
3369 note_deferral_of_defined_inline_function even if the function
3372 2000-04-28 Scott Bambrough <scottb@netwinder.org>
3374 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
3376 2000-04-28 Richard Henderson <rth@cygnus.com>
3378 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
3380 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3382 * timevar.c (init_timevar): DeANSIfy function definition.
3384 2000-04-27 Alex Samuel <samuel@codesourcery.com>
3386 * Makefile.in (timevar.o): Depend on flags.h.
3387 * timevar.c (unused_stack_instances): New variable.
3388 (timevar_push): Take a timevar_stack_def from
3389 unused_stack_instances if available.
3390 (timevar_pop): Push the popped timevar_stack_def onto
3391 unused_stack_instances.
3392 (TIMEVAR_ENABLE): New macro.
3393 (timevar_def): Make standalone a 1-bit field. Add field used.
3394 (get_time): Rename parameter to now. Return after clearing it if
3396 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
3397 (timevar_pop): Likewise.
3398 (timevar_stop): Likewise.
3399 (timevar_push): Likewise. Mark the timing variable as used.
3400 (timevar_start): Likewise.
3401 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
3402 timevars that were never used.
3404 2000-04-27 Mark Mitchell <mark@codesourcery.com>
3406 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
3407 always TREE_READONLY.
3409 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
3411 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
3412 for call instruction with mode QImode.
3414 2000-04-27 Alex Samuel <samuel@codesourcery.com>
3416 * Makefile.in (OBJS): Add timevar.o.
3417 (toplev.o): Depend on timevar.h.
3418 (ggc-simple.o): Likewise.
3419 (ggc-page.o): Likewise.
3420 (timevar.o): New rule.
3421 (timevar.h): New rule.
3423 * timevar.h: New file.
3424 * timevar.c: Likewise.
3425 * timevar.def: Likewise.
3427 * toplev.h (gc_time, parse_time, varconst_time): Remove.
3428 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
3430 (TIMEVAR): Remove macro.
3431 (gc_time, parse_time, varconst_time, integration_time, jump_time,
3432 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
3433 flow_time, combine_time, regmove_time, sched_time,
3434 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
3435 sched2_time, dbr_sched_time, reorder_blocks_time,
3436 rename_registers_time, shorten_branch_time, stack_reg_time,
3437 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
3439 (compile_file): Don't initialize time variables. Call
3440 init_timevar and start TV_TOTAL timer. Call timevar_print instead
3441 of many calls to print_time.
3442 (rest_of_compilation): Add timing for reload_cse_regs.
3443 (get_run_time): Removed to timevar.c.
3444 (print_time): Likewise.
3445 (get_run_time): Implement using TV_TOTAL time variable.
3446 (print_time): Get total run time from get_run_time.
3447 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
3448 computing elapsed time explicitly.
3449 * ggc-simple.c (ggc_collect): Likewise.
3450 (gc_time): Remove declaration.
3452 2000-04-27 Mark Mitchell <mark@codesourcery.com>
3454 * calls.c (combine_pending_stack_adjustment_and_call): New function.
3455 (expand_call): Use it.
3457 2000-04-27 Jan Hubicka <jh@suse.cz>
3459 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
3462 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
3464 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
3467 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
3469 * function.c (epilogue_done): Pass whole insn to record_insns.
3471 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
3473 * cse.c (CSE_ADDRESS_COST): Remove.
3474 (find_best_addr): Add new parameter "MODE", use address_cost instead
3476 (address_cost): New.
3477 (fold_rtx): Update call of find_best_addr.
3478 * rtl.h (address_cost): Declare.
3479 * loop.c (general_induction_var): Add new parameter "MODE", use
3480 address_cost instead of ADDRESS_COST
3481 (init_loop): Use address_cost instead of ADDRESS_COST.
3482 (check_insn_for_givs): Update call of general_induction_var.
3483 (find_mem_givs): Likewise.
3484 (consec_sets_giv): Likewise.
3485 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
3486 * i386.c (ix86_address_cost): New.
3487 * i386-protos.h (ix86_address_cost): Declare.
3489 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
3491 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
3494 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
3496 * expr.c (store_expr): Use clear_storage instead of direct memset
3499 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
3501 * config/mn10300/mn10300.c (mn10300_address_cost): Test
3502 ASHIFT, AND and LABEL_REF.
3504 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
3506 * invoke.texi (-foptimize-sibling-calls): Fix.
3508 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
3510 * loop.c (load_mems) Don't use hard registers for the hoisting.
3512 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
3513 calculation; rename const_equiv array in the preconditioning code
3514 from loop_unroll to loop_unroll_precondition
3516 2000-04-27 Richard Henderson <rth@cygnus.com>
3518 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
3520 (propagate_one_insn): Clear it. Don't update reg_live here.
3521 (init_propagate_block_info): Update for pbi member changes.
3522 (free_propagate_block_info): Likewise.
3523 (mark_set_1): Know that zero_extract, sign_extract, and
3524 strict_low_part don't kill their argument. Alter hard subregs.
3525 Update new_set for non-CLOBBER sets. Update reg_live.
3526 (find_auto_inc): Update reg_live, not new_dead.
3527 (mark_used_reg): Update reg_live, not new_live. Examine new_set
3528 to determine if the reg in question was set this insn. Only update
3529 reg info with PROP_REG_INFO.
3531 2000-04-26 Richard Henderson <rth@cygnus.com>
3533 * flow.c (allocate_reg_life_data): Set max_regno here ...
3534 (life_analysis): ... not here.
3536 * flow.c (calculate_global_regs_live): Force stack pointer
3539 2000-04-26 Richard Henderson <rth@cygnus.com>
3541 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
3542 commit change group changes.
3543 (invert_exp_1): Similarly.
3544 (redirect_exp, invert_exp): Use them.
3545 (redirect_jump_1): New.
3546 (invert_jump_1): New.
3547 (jump_optimize_1): Remove code subsumed by condexec.c.
3548 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
3550 2000-04-26 Richard Henderson <rth@cygnus.com>
3552 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
3554 * genconfig.c (main): Set all HAVE_foo to 1.
3556 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
3558 2000-04-26 Alex Samuel <samuel@codesourcery.com>
3560 * invoke.texi: Document -fssa flag.
3562 2000-04-26 Richard Henderson <rth@cygnus.com>
3564 * flow.c (count_reg_sets_1): Remove.
3565 (count_reg_sets, count_reg_references): Remove.
3566 (recompute_reg_usage): Implement with update_life_info.
3567 Reallocate life data.
3569 2000-04-26 Richard Henderson <rth@cygnus.com>
3571 * flow.c (update_life_info): Consider blocks null to mean the
3573 (calculate_global_regs_live): Likewise.
3574 (life_analysis): Do that instead of collecting all_blocks.
3576 2000-04-26 Richard Henderson <rth@cygnus.com>
3578 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
3579 a still-valid conditional jump.
3581 2000-04-26 Richard Henderson <rth@cygnus.com>
3583 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
3585 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
3586 * flow.c (calculate_loop_depth): Remove.
3587 * output.h (calculate_loop_depth): Don't declare.
3588 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
3589 inline; run estimate_probability at the same time.
3591 2000-04-26 Neil Booth <NeilB@earthling.net>
3593 * cpplib.h: "~=" is not a single pp-token.
3594 * cpplex.c: Correct commentary.
3596 2000-04-26 Richard Henderson <rth@cygnus.com>
3598 * flow.c (mark_set_1): New arguments code and flags; update all
3599 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
3600 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
3601 loop_depth when optimizing for size. Do new_dead update after
3602 emitting REG_UNUSED notes. Merge mark_set_reg code.
3603 (mark_set_reg): Remove.
3604 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
3605 arrange to not emit REG_UNUSED notes.
3607 2000-04-26 Richard Henderson <rth@cygnus.com>
3609 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
3610 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
3612 2000-04-26 Richard Henderson <rth@cygnus.com>
3614 * flow.c (propagate_one_insn): Break out from propagate_block.
3615 (init_propagate_block_info): Likewise.
3616 (free_propagate_block_info): Likewise.
3617 (propagate_block): Use them. Export.
3618 * basic-block.h: Declare them all.
3620 2000-04-26 Richard Henderson <rth@cygnus.com>
3622 * basic-block.h (life_analysis): Declare here ...
3623 * output.h: ... not here.
3624 * flow.c (life_analysis): Remove nregs parameter; replace
3625 remove_dead_code with flags. Remove ssa dead code check.
3626 Only init alias analysis if we'll use it.
3627 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
3628 * ssa.c (convert_to_ssa): Likewise.
3629 (convert_from_ssa): Likewise.
3630 * toplev.c (rest_of_compilation): Likewise.
3632 2000-04-26 Richard Henderson <rth@cygnus.com>
3634 * flow.c (flow_delete_block): Rename from delete_block. Export.
3635 * basic-block.h (flow_delete_block): Declare.
3637 2000-04-26 David S. Miller <davem@redhat.com>
3639 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
3640 taking a PATTERN of it.
3642 2000-04-26 <NeilB@earthling.net>
3644 * cpplex.c (spell_other, spell_char): Remove.
3646 (token_spelling, trigraph_map): Use unsigned chars.
3647 (_cpp_lex_line): Tidy up the switch statement.
3648 * cpplib.h: Implement spell_char with spell_string.
3651 2000-04-26 <RodneyBrown@pmsc.com>
3653 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
3654 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
3656 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3658 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
3659 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
3660 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
3661 dwarf2out_return_save, dwarf2out_return_reg,
3662 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
3663 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
3664 gen_compile_unit_die, dwarf2out_init): Constify a char*.
3666 * dwarf2out.h (dwarf2out_init): Likewise.
3668 * dwarfout.c (filename_entry, primary_filename, last_filename,
3669 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
3671 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
3672 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
3673 dwarf2out_return_reg): Likewise.
3675 2000-04-26 Andreas Jaeger <aj@suse.de>
3677 * extend.texi (Function Attributes): Fix description of pure
3680 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
3682 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
3683 before calling rest_of_compilation.
3685 2000-04-26 Andreas Jaeger <aj@suse.de>
3687 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
3690 2000-04-25 Richard Henderson <rth@cygnus.com>
3692 * cse.c (cse_insn): Emit barrier after unconditional jump.
3694 * calls.c (expand_call): Disable tail call generation once
3695 rtx_equal_function_value_matters is false.
3697 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
3700 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
3702 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
3704 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
3706 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
3707 is the primary DIE for a member function.
3708 (gen_decl_die): Call set_decl_origin_self here.
3709 * dwarfout.c (output_decl): And here.
3710 * integrate.c (output_inline_function): Not here.
3711 Don't clear DECL_INLINE until after calling rest_of_compilation.
3712 (set_decl_origin_self): No longer static.
3713 * tree.h: Add prototype.
3714 * toplev.c (note_deferral_of_defined_inline_function): Only write
3715 out abstract instance for actual inlines.
3717 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
3719 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
3720 EXTENDED_REGS only if TARGET_AM33.
3721 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
3722 SP_REGS to register allocation and reloading unless absolutely
3724 (movsi3): Remove special-case of adding non-constants to SP.
3726 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3728 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
3729 INCLUDES to search and does not provide any of its own. Also it
3730 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
3731 parameters. Also it does not call AC_DEFINE.
3732 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
3733 AC_DEFINE and provides for automatic entries for autoheader.
3734 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
3736 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
3737 so we can pass -I flags and include gansidecl.h/system.h in this
3740 * acconfig.h: Delete all NEED_DECLARATION_* entries.
3742 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3744 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
3745 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
3746 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
3748 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
3749 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
3750 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
3751 for these macros. Clean up spacing and linewraps.
3753 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
3755 * calls.c (expand_call): Use get_callee_fndecl.
3757 * print-tree.c (print_node): Print the chain of an _EXPR.
3759 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
3760 Jim Wilson <wilson@cygnus.com>
3761 Andrew Haley <aph@cygnus.com>
3763 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
3764 and gp save/restore problems.
3765 * config/ia64/crtend.asm: Add IA-64 unwind support.
3766 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
3767 in fr_pad_size calculation.
3768 (save_restore_insns): Move PR save area. Correct uses of
3769 RTX_FRAME_RELATED_P.
3770 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
3771 (ia64_expand_epilogue): Add eh_epilogue support.
3772 (ia64_function_prologue): Emit .prologue directive.
3773 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
3774 (ia64_override_options): Set init_machine_status and
3775 mark_machine_status.
3776 (rtx_needs_barrier): Handle bsp reads and writes.
3777 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
3778 New static variables.
3779 (process_set, process_for_unwind_directive): New functions.
3780 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
3781 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
3782 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
3784 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
3785 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
3786 (struct machine_function): Define.
3787 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
3789 2000-04-25 Bruce Korb <bkorb@gnu.org>
3791 * fixinc/Makefile.in: make the removal of old programs more
3793 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
3794 install-bin and install-sh
3796 2000-04-25 Nick Clifton <nickc@cygnus.com>
3798 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
3799 defined, define to return zero.
3800 (function_cannot_inline_p): If a function has any target
3801 specific attributes, then use the macro
3802 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
3803 whether it can be inlined. If it cannot, issue a suitable
3806 * tm.texi: Add a new node 'Inlining' to document the new macro
3807 FUNCTION_ATTRIBUTE_INLINABLE_P.
3809 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
3811 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
3814 2000-04-25 Neil Booth <NeilB@earthling.net>
3816 Restore previous patch, plus the following fixes:
3818 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
3819 flags, not CPP_OPEN_PAREN.
3820 * cpplex.c (expand_token_space, init_token_list,
3821 cpp_free_token_list): Put the dummy token at list->tokens[-1].
3822 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
3824 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3826 * config/i386/freebsd.h (INT_ASM_OP): Define.
3828 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
3830 * loop.c (strength_reduce): Fix typo in the last checkin.
3832 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3834 * stor-layout.c (finalize_record_size): Simplify to use existing
3836 (compute_record_mode): No longer static.
3837 * tree.h (compute_record_mode): New declaration.
3839 2000-04-25 Neil Booth <NeilB@earthling.net>
3841 * Revert my patch below until cause of build failures
3844 2000-04-25 Richard Henderson <rth@cygnus.com>
3846 * combine.c (combine_instructions): Add missing argument
3849 * toplev.c (rest_of_compilation): Delay sibcall optimization
3850 until after emit_eh_context.
3852 2000-04-24 Nick Clifton <nickc@redhat.com>
3854 * combine.c (combine_instructions): Do not try to combine a
3855 sequence of insns when the second insn has been replaced by a
3858 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
3860 * gcc.c (load_specs): New static function.
3861 (read_specs): Use it.
3863 * gcc.c (lookup_compiler): Make multiple passes for case
3864 insensitive filesystems.
3866 2000-04-24 Neil Booth <NeilB@earthling.net>
3868 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
3869 * cpphash.h (_cpp_check_directive): new.
3870 * cpplex.c (handle_newline, cpp_free_token_list,
3871 init_trigraph_map, trigraph_ok, trigraph_replace,
3872 backslash_start, skip_block_comment, skip_line_comment,
3873 skip_whitespace, parse_name, parse_number, parse_string,
3874 copy_comment, _cpp_lex_line, spell_char, spell_string,
3875 spell_comment, spell_name, spell_other, _cpp_lex_file,
3876 _cpp_output_list): new.
3877 (expand_name_space): take length argument.
3878 (init_token_list): add comment list initialisation.
3879 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
3880 instead of HSPACE_BEFORE.
3882 * cpplib.c (_cpp_check_directive): new
3883 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
3884 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
3885 (HSPACE_BEFORE): delete.
3886 (TTYPE_TABLE): rearrange.
3887 (struct cpp_toklist): update.
3889 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3891 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
3892 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
3893 argument form of AC_DEFINE.
3895 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
3896 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
3897 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
3898 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
3899 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
3901 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
3903 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3905 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
3906 deduced.h): Use -isystem, not -I, for including system headers.
3908 2000-04-24 Nick Clifton <nickc@cygnus.com>
3910 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
3911 the source register is the frame pointer or arg pointer.
3912 (addsi3_small_int): Disallow if source register is the frame
3913 pointer or arg pointer.
3915 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3917 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
3918 call to AC_MSG_RESULT.
3920 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3922 * invoke.texi: Correct grammatical errors, document
3923 -fno-gnu-keywords as identical to -fno-asm for C++.
3925 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3927 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
3928 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
3929 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
3930 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
3931 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
3933 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
3934 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
3935 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
3936 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
3939 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
3941 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
3942 (pop_alignment): Likewise.
3943 (handle_pragma_token): Likewise.
3945 2000-04-24 Robert Lipe <robertlipe@usa.net>
3947 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
3949 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
3951 * combine.c (try_combine): Update reg_nonzero_bits of
3952 newi2pat before newpat.
3954 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
3956 * loop.c (strength_reduce): Simplify test to INSN_P.
3957 (record_giv): Attempt to simplify the add value, use CONSTANT_P
3958 expressions instead of CONST_INT.
3959 (express_from_1): Likewise.
3961 2000-04-24 Mark Mitchell <mark@codesourcery.com>
3963 * regs.h (reg_n_max): Don't declare.
3964 * flow.c (reg_n_max): Don't define.
3965 * regclass.c (renumber): Don't initialize to zero.
3966 (regno_allocated): Likewise.
3967 (reg_n_max): Define.
3968 (allocate_reg_info): Don't initialize unnecessarily.
3970 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
3972 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
3973 and blockage_p in the newly allocated attribute.
3975 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
3977 * config/mn10300/mn10300.md (addsi): `inc4' on address
3978 registers does not modify cc, but `inc' on an extended
3981 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
3983 * reload.c (find_equiv_reg): Checks all valueno regs
3984 as a reload_reg_p regs.
3986 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
3988 * cpphash.c (collect_objlike_expansion): Add sanity check.
3989 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
3990 the buffer is the empty string, return. Mark __DATE__ and
3991 __TIME__ as XCONST nodes, not MCONST.
3992 (_cpp_macroexpand): Avoid pushing an empty buffer.
3993 (funlike_macroexpand): Don't pop token_buffer here.
3995 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
3997 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
3998 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
3999 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
4000 (REGNO_OK_FOR_BASE_P): Define in terms of them.
4001 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
4002 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
4003 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
4005 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
4007 * loop.c (simplify_giv_expr): Be more agressive on simplifying
4010 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
4012 * cpphash.h (struct definition): Move file, line, col members...
4013 (struct hashnode): ... here. Also add 'disabled' flag.
4014 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
4015 T_IDENTITY. Remove T_DISABLED.
4018 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
4019 (collect_expansion): Split into collect_objlike_expansion and
4020 collect_funlike_expansion.
4021 (_cpp_macroexpand): Split out scan_arguments, stringify, and
4022 funlike_macroexpand.
4023 (_cpp_compare_defs): Rename compare_defs, make static.
4024 (_cpp_make_hashnode): Initialize hp->disabled.
4025 (macro_cleanup): Adjust for new token types. Clear
4027 (_cpp_create_definition): Move code here to determine what
4028 sort of macro it is, and code to check for redefinitions, from
4029 do_define. Implement a few simple cases without creating a
4031 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
4032 Handle the simple cases.
4033 (push_macro_expansion): Set buf->has_escapes and hp->disabled
4036 * cppinit.c (builtin_array): Change MCONST to XCONST
4038 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
4039 fix check for disabled and function-like macros.
4040 * cpplib.c (do_define): Move most logic to
4041 _cpp_create_definition.
4042 (do_undef): Handle new special token types.
4044 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
4046 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
4047 of CONSTANT_P for mult_val; always use validate_change to update insn.
4049 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
4051 * cpphash.c (trad_stringify, add_pat): New functions.
4052 (collect_expansion): Restore support for -traditional syntax.
4053 Use trad_stringify and add_pat.
4054 (_cpp_macroexpand): Restore support for -traditional semantics.
4055 * cpplex.c (_cpp_scan_line): Don't change space_before if we
4056 get a COMMENT token.
4057 (_cpp_lex_token): Provide COMMENT tokens to caller if
4058 traditional and parsing_define_directive.
4059 (skip_comment): Warn about // comments if -Wtraditional.
4060 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
4062 (do_undef): Don't warn about undefining EMPTY nodes.
4064 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
4066 * loop.c (strength_reduce): Fix biv removal code.
4068 2000-04-22 Richard Henderson <rth@cygnus.com>
4070 * predict.c (estimate_probability): Examine both sides of
4071 a branch for no exits. Use 90% not 50% for predict taken.
4072 Reorg for one copy of note generation code.
4074 2000-04-22 Richard Henderson <rth@cygnus.com>
4076 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
4078 2000-04-22 Richard Henderson <rth@cygnus.com>
4080 * diagnostic.c (init_output_buffer): Don't initialize format_args.
4081 (output_clear): Likewise.
4082 (output_printf): Use va_copy.
4083 (vline_wrapper_message_with_location): Likewise.
4084 (v_message_with_decl): Likewise.
4085 (line_wrapper_printf): VA_START infor buffer.format_args directly.
4086 * system.h (va_copy): Provide default implementation.
4088 2000-04-22 Richard Henderson <rth@cygnus.com>
4090 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
4091 the collected condition is not a constant.
4093 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
4095 * diagnostic.h: New file.
4097 * Makefile.in (diagnostic.o): Depends on diagnostic.h
4099 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
4100 various function prototypes.
4101 (diagnostic.h): #include.
4102 (struct output_buffer): Move into diagnostic.h.
4103 (get_output_prefix): Rename to output_get_prefix. Export.
4104 (init_output_buffer): Export. Break out. Ajust intialization.
4105 (output_space_left, output_append): Export.
4106 (output_newline): Rename to output_add_newline. Export.
4107 (output_clear): Nullify additional output_buffer fields.
4108 (output_puts): Rename to output_add_string. Export.
4109 (dump_output): Rename to output_flush_on. Export.
4110 (build_location_prefix): Constify return-type.
4111 (emit_output_prefix): Rename to output_emit_prefix. Export.
4112 (set_real_maximum_length): New function.
4113 (output_set_maximum_length): Ditto
4114 (output_clear): Ditto.
4115 (output_add_character): Ditto.
4116 (output_add_integer): Ditto.
4117 (output_add_space): Ditto.
4118 (output_format): Ditto.
4119 (output_printf): Adjust buffer initialization.
4120 (vline_wrapper_message_with_location): Ditto.
4121 (v_message_with_decl): Ditto. Adjust call to output_puts
4122 and get_output_prefix.
4123 (default_print_error_function): Adjust buffer intialization.
4125 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4127 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
4130 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
4132 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
4135 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
4137 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
4138 accurate data about SP moves.
4140 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
4142 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
4143 aliases to AM33 registers.
4145 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
4147 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
4148 to all EXTENDED bitmaps.
4150 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
4152 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
4153 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
4154 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
4156 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
4158 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
4159 the operand is not constant.
4161 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
4163 * reload.c (find_equiv_reg): Checks all valueno and regno regs
4164 as a call-clobbered regs.
4166 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4168 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
4170 * rtl.def: Update comment.
4171 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
4172 * integrate.c (expand_inline_function): Likewise.
4173 * profile.c (branch_prob): Likewise.
4174 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
4175 * print-rtl.c (print_rtx): Likewise.
4176 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
4177 (reemit_notes): Likewise; also use enum insn_note.
4179 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
4180 (place_field): Properly compute know and actual alignment.
4182 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
4185 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
4188 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
4190 * cpphash.c (struct arg, struct arglist): Const-ify strings.
4191 (warn_trad_stringify, duplicate_arg_p): New helper functions.
4192 (collect_expansion): Rewrite to scan over a token list.
4193 Remove -traditional support.
4194 (collect_formal_parameters): Rename to collect_params; rewrite
4195 to scan over a token list.
4196 (_cpp_create_definition): Adjust to scan a token list.
4197 (_cpp_macroexpand): Remove -traditional support.
4198 (_cpp_compare_defs): Whitespace is now canonicalized.
4199 (comp_def_part): Delete function.
4201 * cpphash.h: Update prototypes.
4202 * cpplex.c (init_token_list): Don't set lineno if there is no
4204 (pedantic_whitespace): New function.
4205 (_cpp_scan_line): Mark tokens that had hspace before. Don't
4206 consume a newline. Use pedantic_whitespace.
4207 (_cpp_lex_token): Remove support for -traditional macros.
4208 (_cpp_get_define_token): Delete.
4209 (_cpp_get_directive_token): Do the real work here. Use
4210 pedantic_whitespace.
4211 (_cpp_init_input_buffer): Initialize pfile->directbuf.
4213 * cpplib.c (get_macro_name): Delete.
4214 (do_define): Read the entire line into pfile->directbuf, then
4215 feed the token list to _cpp_create_definition.
4216 * cpplib.h (HSPACE_BEFORE): new define.
4217 (struct cpp_reader): Add a toklist member, "directbuf".
4219 * predict.c (estimate_probability): New heuristic: if a jump
4220 branches around a block with no successors, predict it taken.
4221 Disentangle control flow.
4223 2000-04-20 Richard Henderson <rth@cygnus.com>
4225 * loop.c (emit_iv_add_mult): Revert last change.
4227 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
4229 * cpplib.h (enum cpp_ttype): Add token types for all
4230 punctuators. Distinguish pp-numbers from valid C numbers.
4231 Give some tokens better names. Initialize from macro.
4232 (struct cpp_name, cpp_token, cpp_toklist): New data
4235 * cpplex.c (bump_column, expand_name_space,
4236 expand_token_space, init_token_list, cpp_output_list,
4237 _cpp_scan_line): New functions.
4238 (output_line_command): Add third argument, new line number.
4239 * cpphash.h: Update prototypes.
4240 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
4243 2000-04-20 Richard Henderson <rth@cygnus.com>
4245 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
4247 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
4249 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
4252 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
4254 * loop.c (emit_iv_add_mult): Simplify it's input and emit
4255 REG_EQUAL note explaining the calculated value.
4257 * calls.c (expand_call): Avoid unnecesary precalculation
4258 and outgoing parameters space guarding for sibling calls.
4259 (store_one_arg): Likewise.
4261 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4263 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
4264 (rest_of_compilation): Write sibling dump file and account
4265 for time as jump time.
4266 * invoke.texi: Update documentation on dump flags.
4268 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
4270 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
4272 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
4274 * cpphash.c (special_symbol): Represent an empty macro with
4275 "\r \r " not just "\r ".
4276 (_cpp_macroexpand): Correct condition for the foo ( ) special
4278 (unsafe_chars): Handle EOF as second argument.
4279 (push_macro_expansion): Simplify test for removing escape at
4280 end. Do not trim both escapes if there is no text in between.
4282 2000-04-19 Jim Blandy <jimb@redhat.com>
4284 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
4285 of PTR_SIZE, when appropriate.
4287 2000-04-19 Mark Mitchell <mark@codesourcery.com>
4289 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
4290 (USE_ENUM_BITFIELDS): Fix typo.
4292 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4294 * stor-layout.c (place_field): Set rli->offset_align properly.
4296 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4298 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
4299 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
4300 PARM_BOUNDARY): Remove unnecessary casts.
4302 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
4304 * calls.c (precompute_arguments): Remove must_preallocate and
4306 (expand_call): Update call of precompute_arguments.
4308 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
4309 check_insn_for_givs): Break out from ...
4310 (strength_reduce) ... here; use for_every_insn_in_loop to call
4311 check_insn_for_givs.
4312 * loop.h (for_every_insn_in_loop): Declare.
4313 (loop_insn_callback): New type.
4315 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
4317 * cpplib.c (do_pragma_poison): Strings in the token buffer are
4320 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
4322 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
4325 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
4327 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
4329 * configure.in: Delete --disable-cpplib option and all
4330 references to cpp_main.
4331 * configure: Regenerate.
4332 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
4333 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
4334 cccp.o, cccp, or cppmain. Link cppmain.o straight to
4335 cpp$(exeext). Add --no-headers to makeinfo command line when
4336 generating INSTALL. Install and uninstall cpp.1 manpage, not
4338 * install.texi: Delete all references to cexp.y/cexp.c.
4339 Delete ancient instructions for compiling GCC on 3b1.
4340 * INSTALL: Regenerate.
4342 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
4343 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
4344 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
4346 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
4347 which is no longer tested anywhere.
4349 * cppinit.c (handle_option): Don't run error message through
4352 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4354 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
4355 * cpperror.c (hashtab.h): Now include.
4356 * cppexp.c (hashtab.h): Likewise.
4357 * cpplex.c (hashtab.h): Likewise.
4358 * cppfiles.c (hashtab.h): Likewise.
4359 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
4360 to htab_find_slot_with_hash.
4361 * cpphash.c (hashtab.h): Now include.
4362 (_cpp_lookup_slot): INSERT is now enum insert_option.
4363 * cpphash.h (_cpp_lookup_slot): Likewise.
4364 * cppinit.c (hashtab.h): Include earlier.
4365 (initialize_builtins): Pass enum to htab_find_slot.
4366 * cpplib.c (hashtab.h): Now include.
4367 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
4368 (do_pragma_poison, do_assert): Likewise.
4369 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
4370 htab_find_slot_with_hash.
4371 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
4372 * tree.c (type_hash_add): Likewise.
4373 (build1): Minor cleanup.
4375 * ggc-common.c: Add missing blanks.
4376 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
4377 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
4379 * stmt.c (mark_case_node): New function.
4380 (mark_case_nesting): Call it.
4382 * expmed.c (emit_store_flag): If comparing two-word integer
4383 with zero, can optimize NE, EQ, GE, and LT.
4385 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
4386 * conflict.c: Minor cleanups.
4387 * optabs.c: Add blank line
4388 * simplify-rtx.c: Minor cleanups.
4390 2000-04-18 Stan Cox <scox@cygnus.com>
4392 * gengenrtl.c (genlegend): Fix misspelling.
4394 2000-04-18 Robert Lipe <robertlipe@usa.net>
4396 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
4397 bitfields of the host compiler are not signed quantities.
4398 * config.in: Regenerate.
4399 * configure: Regenerate.
4400 * system.h (USE_ENUM_BITFIELDS): Added.
4401 (ENUM_BITFIELDS): Added.
4402 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
4403 (SHORT_ENUM_BUG): Deleted.
4404 * tree.h (tree_common): Members `code', `mode', `built_in_class',
4406 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
4407 (CODE_FIELD_BUG): Likewise.
4408 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
4410 * config/m68k/x-ccur (X_CFLAGS): Likewise.
4412 2000-04-18 Mark Mitchell <mark@codesourcery.com>
4414 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
4417 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
4419 * cppexp.c (lex): Don't assume tokens are NUL terminated.
4420 * cpplib.c (do_include, do_import, do_include_next,
4421 read_line_number, detect_if_not_defined): Likewise.
4422 * cpphash.c (collect_expansion): Likewise.
4423 (special_symbol, _cpp_macroexpand): Check return from
4425 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
4426 macros. Delete all uses.
4428 * gcc.dg/cpp-mi.c: Add two more test cases.
4429 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
4431 2000-04-17 Richard Henderson <rth@cygnus.com>
4433 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
4434 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
4436 2000-04-17 Mark Mitchell <mark@codesourcery.com>
4438 * function.c (expand_function_start): Use hard_function_value to
4439 compute the RTL to use for DECL_RESULT.
4441 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
4443 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
4444 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
4445 x86_memory_mismatch_stall): New global variables.
4446 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
4447 alloved; fix load penalties for Athlon.
4448 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
4449 x86_memory_mismatch_stall): Declare.
4450 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
4451 TARGET_MEMORY_MISMATCH_STALL): New.
4452 * i386.md (athlon scheduling parameters): Fix latencies according to
4453 Athlon Optimization Manual.
4454 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
4456 (fsqrt instruction patterns): Set athlon_decode to direct.
4457 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
4458 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
4459 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
4460 and TARGET_PARTIAL_REGISTER_STALL machines.
4461 (pushdf_nointeger): New pattern.
4462 (pushdf_integer): Rename from pushdf.
4463 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
4464 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
4466 2000-04-17 Richard Henderson <rth@cygnus.com>
4468 * loop.c (canonicalize_condition): Add WANT_REG argument.
4469 Stop the search if we match it.
4470 * expr.h (canonicalize_condition): Update decl.
4471 * predict.c (expected_value_to_br_prob): Use it. Track last
4472 expected value note.
4473 (find_expected_value): Remove.
4475 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
4477 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
4479 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
4480 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
4482 * configure.in: Call AC_FUNC_MMAP_FILE.
4483 * configure: Regenerate.
4484 * config.in: Regenerate.
4486 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
4487 * fixinc/fixincl.c: Likewise.
4489 2000-04-17 Richard Henderson <rth@cygnus.com>
4491 * builtins.c (expand_builtin_expect): New.
4492 (expand_builtin): Call it.
4493 * builtins.def (BUILT_IN_EXPECT): New.
4494 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
4495 * extend.texi: Document it.
4497 * predict.c (expected_value_to_br_prob): New.
4498 (find_expected_value): New.
4499 * basic-block.h (expected_value_to_br_prob): Declare.
4500 * toplev.c (rest_of_compilation): Invoke it.
4502 * rtl.h (NOTE_EXPECTED_VALUE): New.
4503 (NOTE_INSN_EXPECTED_VALUE): New.
4504 * rtl.c (note_insn_name): Update.
4505 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
4506 cases; handle NOTE_INSN_EXPECTED_VALUE.
4508 2000-04-17 Jakub Jelinek <jakub@redhat.com>
4510 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
4511 leaf sibcall delay slot if flag_pic.
4512 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
4514 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4516 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
4518 * fixproto: If fix-header fails, exit with an error.
4520 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
4522 * cse.c (struct check_depdendence_data): New.
4523 (check_dependence): New function.
4524 (invalidate): Use check_depdenence.
4526 2000-04-16 Mark Mitchell <mark@codesourcery.com>
4528 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
4529 UNITS_PER_WORD is unsigned.
4531 * tree.h (struct tree_common): Remove misleading comment.
4533 2000-04-16 Dave Pitts <dpitts@cozx.com>
4535 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
4536 message in quotes. Otherwise, IBM's make program treats the '#' as the
4537 start of a comment and ignores the remainder of the line.
4539 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
4541 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
4542 * cexp.y (initialize_random_junk): Likewise.
4543 * cppfiles.c (find_include_file): Cast alloca return value.
4544 * cppinit.c (initialize_standard_includes): Likewise.
4545 * cpplib.c (cpp_define, cpp_undef): Likewise.
4546 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
4547 * final.c (output_asm_insn): Allow for holes in EBCDIC.
4548 * fold-const.c (CHARMASK): New.
4549 (real_hex_to_f): Use it.
4550 * real.c (CHARMASK): New.
4551 (etoasc, asctoeg): Use it.
4552 (asctoeg): EBCDIC lower case characters preceed upper case.
4554 * i370.c (mvs_add_label): Change spacing for coding conventions.
4555 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
4556 outputing case vectors.
4557 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
4558 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
4559 since vector in in the data CSECT.
4560 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
4561 * i370.md (Many patterns): Put the length in the XL directives.
4562 (movdi): Put back STM and MVC in definition.
4563 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
4564 pattern using the TCA.
4565 * oe.h (CPP_SPEC): Added to allow trigraphs.
4566 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
4567 not support the "long long" type.
4569 2000-04-16 Mark Mitchell <mark@codesourcery.com>
4571 * config/mips/mips-protos.h (mips_legitimate_address_p): New
4573 (mips_reg_mode_ok_for_base_p): Likewise.
4574 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
4575 (REG_OK_FOR_INDEX_P): Define unconditionally.
4576 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
4577 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
4578 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
4579 that GET_MODE_SIZE is unsigned.
4580 (mips_reg_mode_ok_for_base_p): Define.
4581 (mips_legitimate_address_p): Likewise. Adjust now
4582 that GET_MODE_SIZE is unsigned.
4583 (block_move_loop): Make the number of bytes unsigned.
4584 (expand_block_move): Likewise.
4585 (function_arg): Make the loop counter unsigned to match the
4588 2000-04-16 Richard Henderson <rth@cygnus.com>
4590 * rtl.h (enum insn_note): New enumeration. Subsume
4591 NOTE_INSN_DELETED and friends.
4592 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
4593 * rtl.c (note_insn_name): Tweak string order.
4595 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
4597 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
4600 * cpplex.c (output_line_command): Remove debugging prints.
4601 (cpp_output_tokens): Don't write out a zero-length buffer or
4602 try to see if it has a newline in it.
4603 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
4604 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
4605 the end of the loop. Use memmove. Don't read past the end of
4606 the buffer. Remove trailing newlines from error messages.
4608 2004-04-16 Neil Booth <NeilB@earthling.net>
4610 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
4611 * cpplib.c: Add new syntax flags to directive table, and
4614 2000-04-15 Ulrich Drepper <drepper@redhat.com>
4616 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
4619 2000-04-15 David Edelsohn <edelsohn@gnu.org>
4621 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
4622 * haifa-sched.c: Update -fsched-verbose comments to use "=".
4624 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4626 * Makefile.in (ggc-page.o): Now includes toplev.h.
4627 * ggc-page.c (toplev.h): Now included.
4628 (gc_time): Remove declaration.
4629 (ggc_collect): TIME now long.
4630 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
4632 * toplev.h (gc_time, parse_time, gc_time): New declarations.
4634 * toplev.c: Make *_time variable long to reduce chance of overflow.
4635 (TIMEVAR): Likewise for `otime'.
4636 (print_time): Arg is now long; compute percentage in FP and round.
4637 * toplev.h (print_time): Arg is long.
4639 * tree.c: Minor whitespace changes.
4641 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
4642 * configure: Rebuilt.
4643 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
4644 (__fixunsxfDI): Renamed from __fixunsxfdi.
4645 (__fixunsdfDI): Renamed from __fixunsdfdi.
4646 (__fixunssfDI): Renamed from __fixunssfdi.
4647 (__floatdisf): Use proper type in REP_BIT macro.
4648 (__fixunsxfSI): Renamed from __fixunsxfsi.
4649 (__fixunsdfSI): Renamed from __fixunsdfsi.
4650 (__fixunssfSI): Renamed from __fixunssfsi.
4651 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
4652 Change location of macros and upper-case some names as above.
4653 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
4654 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
4656 * varasm.c (assemble_variable): Add cast to remove warning.
4657 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
4659 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
4660 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
4661 region number to -1.
4663 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
4665 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
4666 call unshare_all_rtl.
4668 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
4670 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
4672 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
4673 Use .s1 not .s0 for all FP instructions.
4675 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
4677 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
4679 (safe_fwrite, output_line_command): New static functions.
4680 (cpp_expand_to_buffer): Now private to cpplib.
4681 (cpp_scan_buffer): Take a printer.
4683 * cpphash.h: Update prototypes.
4684 * cpplib.h: Update prototypes.
4686 (cpp_buffer): Remove last_nominal_fname.
4687 (cpp_reader): Remove lineno.
4689 * cppmain.c: Use a cpp_printer.
4690 * fix-header.c: No need to inhibit line commands. Call
4691 cpp_start_read with no printer.
4693 * cpperror.c (cpp_notice_from_errno): Provide default name.
4694 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
4695 (find_include_file, cpp_read_file): Use make_IHASH.
4696 (file_cleanup): Set control_macro and clear
4697 input_stack_listing_current here.
4698 (_cpp_execute_include): Don't output entering-file marker.
4699 * cpphash.c (special_symbol): Look for the line number in the
4700 buffer, not the reader.
4701 (_cpp_macroexpand): No need to disable line commands.
4702 (_cpp_dump_definition): No need to generate line commands.
4703 (dump_hash_helper): Remove excess newline from output.
4704 * cppinit.c (dump_special_to_buffer): No need to generate line
4706 (cpp_printer_init): New.
4707 (cpp_start_read): Take a printer, and start it up if it's not
4708 NULL. No need to generate line commands.
4709 (cpp_finish): Expect no buffers stacked at all. Take a
4710 printer argument, and flush the output buffer if it's not
4712 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
4713 Don't put two hashes at the beginning of an assertion.
4714 (cpp_get_token): Don't increment pfile->lineno or emit line
4715 commands here. Return EOF if there's no buffer when we get
4717 * cpplib.c (do_define, skip_if_group):
4718 No need to disable line commands.
4719 (_cpp_output_line_command): Delete function.
4720 (do_line): Don't emit line commands here, but set things up so
4721 they will be emitted if necessary. Use _cpp_fake_ihash to
4722 make unique nominal_fnames if necessary.
4723 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
4724 with 0 for column, not -1.
4725 (_cpp_handle_eof): Don't set the control macro here. Don't
4726 clear input_stack_listing_current here. Don't emit line
4729 2000-04-14 Geoff Keating <geoffk@cygnus.com>
4731 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
4732 always, use the default SVR4 start address.
4734 * config/rs6000/linux.h (LINK_SPEC): Don't define.
4735 (LINK_SHLIB_SPEC): Define.
4736 (LINK_START_DEFAULT_SPEC): Define.
4737 (LINK_OS_DEFAULT_SPEC): Define.
4739 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
4741 * config/rs6000/eabi.asm (__eabi): Call __init rather than
4742 __do_global_ctors to handle constructors.
4743 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
4744 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
4745 (STARTFILE_MVME_SPEC): Likewise.
4746 (STARTFILE_SIM_SPEC): Likewise.
4747 (ENDFILE_ADS_SPEC): Use crtend.
4748 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
4749 (ENDFILE_MVME_SPEC): Likewise.
4750 (ENDFILE_SIM_SPEC): Likewise.
4751 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
4752 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
4753 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
4754 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
4755 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
4756 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
4757 (CRTSTUFF_T_CFLAGS_S): Define.
4758 * config/rs6000/eabi-ctors.c: Delete.
4760 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
4763 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
4767 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
4769 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
4770 plus mask size is smaller or equal to the mode size.
4772 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4774 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
4777 * expr.c (reload.h): Now included.
4778 (emit_block_move): Set volatile_ok when checking for movstr.
4779 (emit_move_1): Check for replacements in addresses in multi-word case.
4780 * Makefile.in (expr.o): Now includes reload.h.
4782 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
4783 Never have a LIBCALL end a basic block.
4784 (find_basic_blocks_1): Likewise.
4785 Reorganize CALL_INSN cases.
4787 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
4789 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
4791 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
4792 completers from mov.ret instruction.
4794 2000-04-14 Richard Henderson <rth@cygnus.com>
4796 * fold-const.c (extract_muldiv): Don't distribute and widen
4797 multiply across plus for non-sizetype unsigned types.
4799 2000-04-14 Richard Henderson <rth@cygnus.com>
4801 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
4802 If the original source is dead in the incr insn, it's dead now.
4804 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4806 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
4807 see if DECL_BIT_FIELD needs to still be set.
4809 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
4811 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
4812 print_int_cst_octal with something that's not an INTEGER_CST.
4814 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
4815 and not a SUBREG to a FLOAT rtl.
4817 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
4819 * emit-rtl.c (try_split): Avoid infinite loop if the split
4820 results in a sequence that contains the original insn.
4822 2000-04-13 Andreas Jaeger <aj@suse.de>
4824 * config/mips/mips.c (expand_block_move): Pass alignment
4825 argument to move_by_pieces in bits, not bytes.
4827 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
4828 __pic__ for little endian.
4830 2000-04-13 Andreas Jaeger <aj@suse.de>
4832 * config/i386/i386-protos.h: Add prototype for
4833 uno_comparison_operator.
4835 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
4837 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
4838 * calls.c (ECF_PURE): New flag.
4839 (emit_call_1): Handle ECF_PURE calls.
4840 (initialize_argument_information): Unset ECF_PURE flag too.
4841 (precompute_arguments): Precompute for ECF_PURE too.
4842 (expand_call): Handle ECF_PURE calls too.
4843 (emit_library_call_value_1): Rename no_queue argument to fn_type,
4844 accept value of 2 as pure function.
4845 (emit_library_call_value, emit_library_call): Rename no_queue argument
4847 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
4849 * tree.h (DECL_IS_PURE): New macro.
4850 (struct tree_decl): Add pure_flag.
4851 * c-common.c (enum attrs): Add attribute "pure".
4852 (init_attributes): Initialize attribute "pure"
4853 (decl_attributes): Handle attribute "pure".
4854 * extend.texi (Attribute "pure"): Document.
4855 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
4857 (flags_from_decl_or_type): Support attribute "pure".
4859 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
4861 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
4862 the token except for numbers and identifiers.
4864 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
4866 * i386.c (ix86_expand_binary_operator,
4867 ix86_expand_unary_operator): Check no_new_pseudos
4868 instead of reload_in_progress and reload_completed.
4869 (ix86_split_ashldi, ix86_split_ashrdi,
4870 ix86_split_lshrdi): Check no_new_pseudos instead
4871 of reload_completed.
4873 2000-04-12 Jeffrey A Law (law@cygnus.com)
4875 * function.c (purge_addressof): Unshare any shared rtl created by
4876 purge_addressof and its children.
4878 2000-04-12 Mark Mitchell <mark@codesourcery.com>
4880 * function.c (aggregate_value_p): VOID_TYPE nodes are never
4883 2000-04-05 Andreas Jaeger <aj@suse.de>
4885 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
4886 not compiling PIC code, add flags for mabi=64.
4887 (SUBTARGET_CPP_SIZE_SPEC): New.
4888 (SUBTARGET_CPP_SPEC): New.
4889 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
4890 for MIPS/Linux and lots of code needs these defines.
4892 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
4894 * reorg.c (fill_slots_from_thread): Check side_effects_p when
4895 trying the "opposite arithmetic" approach.
4897 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4899 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
4900 (struct sh_args): Add new field force_mem.
4901 (INIT_CUMULATIVE_ARGS): Initialize it.
4902 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
4904 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
4906 * calls.c (expand_call): Do not reverse args in "equal from" field.
4907 (emit_library_call_value_1): Emit_libcall_block for const and pure
4910 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4912 * reload1.c (reload_combine): Don't enable optimization for fixed
4913 registers when encountering a BARRIER.
4915 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
4917 * builtins.c (expand_builtin_memcmp): Do expansion even with
4918 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
4920 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
4921 stack is propertly aligned; add sanity checking for aligned
4923 (expand_library_call_value_1): Add sanity checking for aligned
4926 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
4928 * calls.c (emit_library_call_value_1): Change 3rd arg to
4929 locate_and_pad_parm to disregard the setting of partial.
4931 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4933 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
4935 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
4936 CALL_INSN from the normal case.
4938 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
4940 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
4941 New global variables.
4942 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
4944 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
4946 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
4947 TARGET_ADD_ESP_8): New macros.
4948 * i386.md: Add peep2s to convert esp adjustments to push and pop
4950 (pushsi_prologue, popsi_epilogue): New patterns.
4952 2000-04-12 Jakub Jelinek <jakub@redhat.com>
4954 * real.c (toe64): Remove stale #endif from the last change.
4956 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
4958 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
4959 * real.c (toe64): Revert previous change.
4961 2000-04-12 Jakub Jelinek <jakub@redhat.com>
4963 * objc/objc-act.c: Include ggc.h.
4964 (objc_tree_index, objc_global_trees): Convert most of the
4965 static tree variables into a static array with previous names
4967 (objc_ellipsis_node): New variable.
4968 (lang_init): Call objc_act_parse_init and c_parse_init.
4969 Create objc_ellipsis_node.
4970 (build_selector_translation_table): Use objc_ellipsis_node instead
4972 (hack_method_prototype): Likewise.
4973 (get_arg_type_list): Likewise.
4974 (start_method_def): Likewise.
4975 (continue_method_def): Likewise.
4976 (gen_method_decl): Likewise.
4977 (ggc_mark_imp_list): New function.
4978 (ggc_mark_hash_table): New function.
4979 (objc_act_parse_init): New function.
4980 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
4981 * c-parse.in (c_parse_init): For objc add roots of objc specific
4982 local tree variables.
4983 * objc/objc-parse.y: Rebuilt.
4984 * objc/objc-parse.c: Rebuilt.
4985 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
4987 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
4989 * cse.c (delete_trivially_dead_insns): Also delete insns
4990 that copy a register to itself where the destination is
4993 2000-04-11 Richard Henderson <rth@cygnus.com>
4995 * flow.c (struct propagate_block_info): Add new_dead, new_live.
4996 (propagate_block): Initialize them. Use them in parallel instead
4997 of one tmp variable, ie revert much of the 0408 and 0407 functional
4998 changes, but keep the structural changes.
4999 (mark_set_regs): Take new_dead from propagate_block_info instead.
5000 (mark_set_1, mark_set_reg): Likewise.
5001 (mark_used_regs): Likewise with new_live.
5002 (mark_used_reg): Likewise. Revert 0408 change.
5004 2000-04-11 Nick Clifton <nickc@cygnus.com>
5006 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
5008 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
5010 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5012 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
5013 const section to output a CONSTRUCTOR based on the same conditions
5016 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
5018 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
5019 * pa/pa-protos.h (output_call): Add additional argument indicating
5020 if the call is a sibling/tail call.
5021 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
5022 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
5023 (function_arg, function_arg_partial_nregs): Likewise
5024 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
5025 (emit_move_sequence): Zero extend certain constants as needed
5027 (compute_zdepdi_operands, output_64bit_and): New functions.
5028 (output_64bit_ior, function_arg): Likewise.
5029 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
5030 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
5031 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
5032 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
5033 (output_bvb): Likewise.
5034 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
5035 (output_call): New argument 'sibcall'. Generate sibcall sequences
5037 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
5038 (ouput_arg_descriptor): Do not emit argument descriptors for
5040 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
5042 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
5043 (FUNCTION_OK_FOR_SIBALL): Define.
5044 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
5045 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
5046 (CPP_SPEC): Use new spec infrastructure.
5047 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
5048 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
5049 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
5050 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
5051 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
5052 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
5053 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
5054 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
5055 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
5056 (FUNCTION_ARG); Call out to C code.
5057 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
5058 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
5059 (MIN_UNITS_PER_WORD): Likewise.
5060 * pa/pa.md (cmpdi): New expander.
5061 (scc patterns, movstrsi): Not available for TARGET_64BIT.
5062 (64bit conditional arithmetic): New patterns.
5063 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
5064 (movsicc): Not available if modes on all the operands to not match.
5065 (movdicc): New expander and associated patterns.
5066 (64bit branches): New patterns.
5067 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
5068 (pre_ldd, post_std): New patterns.
5069 (64bit addil, load low part): New patterns.
5070 (special movsf constant): Not available for TARGET_64BIT.
5071 (movsf, movdf expanders): Force constants into memory.
5072 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
5073 (64bit movdf/movdi patterns): New patterns.
5074 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
5076 (extendqidi2, extendhidi2, extendsidi2): Similarly.
5077 (adddi3 expander): Allow "arith_operand" for second input.
5078 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
5079 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
5080 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
5081 (muldi3): New expander for TARGET_64BIT.
5082 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
5084 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
5085 patterns for TARGET_64BIT.
5086 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
5087 patterns for TARGET_64BIT.
5088 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
5089 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
5090 (sibcall_epilogue): New expander.
5091 (casesi): Tweak for TARGET_64BIT.
5092 (call expanders): Set & use the outgoing argument pointer. Use the
5093 64bit call patterns as needed. Add additional arg to output_call.
5094 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
5095 (sibcall, sibcall_internal_symref): New expanders.
5096 (sibcall_value, sibcall_value_internal_symref
5097 (interspace_jump): Turn into an expander + matching patterns.
5098 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
5099 * pa/pa64-regs.h: Eliminate trigraph sequences.
5100 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
5102 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
5104 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
5105 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
5106 cpp_token with cpp_ttype everywhere.
5107 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
5108 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
5109 CPP_BUF_COL. Line and column numbers are unsigned int, not
5111 * cpplex.c (cpp_buf_line_and_col): Delete.
5112 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
5113 'long lineno' to 'unsigned int lineno'.
5114 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
5116 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5118 * extend.texi: ISO C99 is not a draft anymore.
5119 * invoke.texi: ISO C++ is not a draft anymore.
5120 * cpp.texi: __cplusplus is required by the ISO standard.
5122 * extend.texi (-fthis-is-variable): Undocument.
5123 * flags.h (warn_template_debugging): Remove declaration.
5124 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
5125 -Wenum-clash, -Wtemplate-debugging): Undocument.
5127 2000-04-10 Nick Clifton <nickc@cygnus.com>
5129 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
5131 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
5133 (ARM_SIGN_EXTEND): Use HOST_UINT.
5134 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
5135 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
5136 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
5137 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
5139 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
5140 (arm_gen_constant): Use HOST_UINT.
5141 (arm_canonicalize_constant): Use HOST_UINT.
5142 (arm_reload_in_hi): Use HOST_UINT.
5143 (arm_reload_out_hi): Use HOST_UINT.
5144 (output_multi_immediate): Use HOST_UINT.
5145 (int_log2): Use HOST_UINT.
5146 (arm_poke_function_name): Use HOST_UINT.
5147 (arm_output_epilogue): Use arm_volatile_func().
5148 (output_thumb_prologue): Use arm_strip_name_encoding().
5150 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5152 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
5153 of sequence point problems.
5155 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
5157 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
5159 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
5161 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5163 * sbitmap.h: Whitespace changes and use upper-case macro args.
5164 (struct simple_bitmap_def): All sizes now unsigned.
5165 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
5166 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
5167 (sbitmap_vector_alloc): Parms and local vars now unsigned.
5168 (sbitmap_zero): Cast bzero arg to PTR.
5169 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
5170 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
5171 loop to make structure clearer.
5172 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
5173 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
5174 (sbitmap_a_and_b_or_c): Likewise.
5175 (sbitmap_intersection_of_succs): Minor cleanups.
5176 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
5177 (sbitmap_union_of_preds): Likewise.
5178 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
5179 (debug_sbitmap): New function.
5181 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
5182 * c-typeck.c (convert_for_assignment): Likewise.
5184 * expmed.c (init_expmed): Don't free objects we make.
5185 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
5187 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
5188 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
5190 * gcse.c (expr_hash_table_size): Now unsigned.
5191 (compute_ae_gen): Local variable `i' now unsigned.
5192 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
5193 (compute_transout, hoist_code): Likewise.
5194 (compute_local_properties): Likewise, also hash_table_size.
5195 (alloc_expr_hash_table): N_INSNS now unsigned.
5196 (delete_null_pointer_checks): Mark arg F as unused.
5198 * regrename.c: Minor cleanups, including chang some variables
5201 2000-04-10 Neil Booth <NeilB@earthling.net>
5203 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
5205 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
5207 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5209 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
5210 __classof__, and __headof__ from the list of gnu keywords.
5211 (-ansi): Remove -foperator-names from list of implied options.
5212 Do not call it ANSI C++.
5213 (-foperator-names): Document as -fno-operator-names.
5215 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
5217 * cpphash.c (timestamp): Delete.
5218 (del_HASHNODE): If type is T_MCONST, free value.cpval.
5219 (special_symbol): Remove unnecessary braces. Remove
5220 T_VERSION. Treat T_STDC like T_CONST unless
5221 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
5222 when one is encountered, then convert them into T_MCONST
5224 * cppinit.c (builtin_array): version_string is T_MCONST.
5225 __STDC__ has a "1" in its cpval. Don't have a terminator
5226 entry. Clean up which entries are dumped.
5227 (initialize_builtins): Only __STDC__ gets the special
5228 -traditional treatment. Count the length of builtin_array.
5229 Render version_string here.
5230 * cpphash.h: Remove T_VERSION. Add T_MCONST.
5231 * cpplib.h (struct cpp_reader): Remove timebuf.
5233 2000-04-09 Richard Henderson <rth@cygnus.com>
5235 * genrecog.c (pred): Update comparison_operator for the unordered
5238 * config/i386/i386.c (no_comparison_operator): Disallow unordered
5240 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
5241 (uno_comparison_operator): New.
5242 (put_condition_code): Handle UNORDERED/ORDERED.
5243 (unsigned_comparison): Likewise.
5244 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
5245 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
5246 (ix86_expand_fp_compare): Use them. Take scratch as argument,
5247 update all callers. Handle all 8 unordered operators.
5248 (ix86_expand_setcc): Lose the unordered argument, update all callers.
5249 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
5250 * config/i386/i386.h (PREDICATE_CODES): Update.
5251 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
5252 (ix86_expand_branch, ix86_expand_setcc): Update.
5253 * config/i386/i386.md (sunordered, sordered): New.
5254 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
5255 (bunordered, bordered): New.
5256 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
5257 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
5258 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
5260 2000-04-09 Philip Blundell <philb@gnu.org>
5262 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
5264 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
5266 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
5267 fix_truncxfhi2): New patterns.
5268 * i386.c (output_fix_trunc): Handle converting to HImode.
5270 2000-04-08 Alex Samuel <samuel@codesourcery.com>
5272 * ssa.c (convert_to_ssa): Eliminate dead code when calling
5274 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
5275 (for_each_successor_phi): Change parameter to basic_block.
5276 (coalesce_regs_in_successor_phi_nodes): Likewise.
5277 (coalesce_regs_in_copies): Likewise.
5278 (compute_coalesced_reg_partition): Use basic_block instead of index.
5279 * rtl.h (convert_to_ssa): Delete.
5280 (convert_from_ssa): Likewise.
5281 (successor_phi_fn): Likewise.
5282 (for_each_successor_phi): Likewise.
5283 (in_ssa_form): Likewise.
5284 * basic-block.h (convert_to_ssa): Moved from rtl.h.
5285 (convert_from_ssa): Likewise.
5286 (successor_phi_fn): Likewise.
5287 (in_ssa_form): Likewise.
5288 (for_each_successor_phi): Likewise. Change parameter to basic_block.
5289 * flow.c (calculate_global_regs_live): Pass a basic_block to
5290 for_each_successor_phi.
5292 2000-04-08 Richard Henderson <rth@cygnus.com>
5294 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
5295 was modified in the current insn.
5297 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5299 * arm/thumb.md: Delete.
5300 * arm/thumb-protos.h: Delete.
5302 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5304 Merge changes from merged-arm-thumb-backend-branch onto trunk.
5306 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5308 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
5311 * arm.md (nop): Use the standard RTL expression. Don't code as a
5313 (*arm_nop, *thumb_nop): Delete.
5315 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
5316 constants. Use casts instead.
5317 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
5318 output_multi_immediate, arm_poke_function_name): Likewise.
5319 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
5320 MASK_RETURN_ADDDR): Likewise.
5322 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
5324 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
5327 * arm.md (eh_epilogue): New function.
5328 * arm.h (struct machine_function): Move to here ...
5329 * arm.c: ... from here.
5330 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
5331 (thumb_exit): Extra parameter eh_ofs. All callers changed.
5332 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
5334 2000-03-30 Nick Clifton <nickc@cygnus.com>
5336 * config/arm/semi.h (ASM_SPEC): Restore definition.
5337 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
5339 * config/arm/elf.h (ASM_SPEC): Restore definition.
5340 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
5342 * config/arm/arm.h (ASM_SPEC): Remove definition.
5343 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
5345 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
5347 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
5349 2000-03-24 Nick Clifton <nickc@cygnus.com>
5351 Various formating tidyups, elimination of compile time
5352 warnings and synchronisation with internal sources:
5354 * config/arm/arm-protos.h (assemble_align): Add prototype.
5355 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
5356 (gen_comapre_reg): Rename to arm_gen_compare_reg.
5357 (arm_return_addr_rtx): Rename to arm_return_addr.
5359 * config/arm/arm.c: Include except.h.
5360 Define shorter typenames for strict minipool_node and struct
5362 (arm_return_in_memory): For WinCE return all structures <= 32 bits
5364 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
5365 (gen_comapre_reg): Rename to arm_gen_compare_reg.
5367 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
5369 (ASM_SPEC): Define if not already defined.
5370 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
5372 * config/arm/arm.md: Rename references to gen_rotated_half_load to
5373 arm_gen_rotated_half_load, and references to gen_comapre_reg to
5374 arm_gen_compare_reg.
5375 (indirect_jump): Only accept register operands.
5376 (load_indirect_jump): Keep this pattern since combine can generate
5379 * config/arm/coff.h: Include aout.h.
5380 (MULTILIB_DEFAULTS): Only define if not already defined.
5382 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
5383 into arm.h (so that COFF ports can support thumb based aliases).
5384 (ASM_SPEC): Move definition into arm.h
5386 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
5387 redundant apcs spec.
5388 (ASM_SPEC): Move definition to arm.h
5390 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
5392 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
5393 for entries in the .bss section
5395 2000-03-23 Nick Clifton <nickc@cygnus.com>
5397 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
5398 to thumb_far_jump_used_p.
5400 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
5401 single integer parameter.
5403 * config/arm/arm.c (struct machine_function): Add two new
5404 fields, 'far_jump_used' and 'arg_pointer_live'.
5405 (thumb_far_jump_used_p): Once the decision has been made that
5406 far jumps might be used, always return true.
5407 If being called from the initial elimination offset macro then
5408 do not bother to perform the test if the arg pointer is not
5410 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
5411 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
5413 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
5415 * arm.c (output_return_instruction): Handle more cases where we can
5416 return from a function with an ldr instruction.
5417 (arm_output_epilogue): Likewise.
5419 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
5420 if we need to push a large stack frame and there are no callee-saved
5423 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
5424 in ARM code if the frame pointer has been eliminated.
5426 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
5427 unspec_volatile arguments to avoid duplicates.
5428 (consttable_1, consttable_2): Fixes for big-endian mode.
5430 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
5433 Re-write constant pool code.
5434 * arm.c (minipool_node, minipool_fix): New types.
5435 (minifix): Delete type.
5436 (arm_add_minipool_constant): Delete.
5437 (arm_compute_minipool_offsets, arm_find_barrier,
5438 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
5439 (get_jump_table_size): Now returns HOST_WIDE_INT.
5440 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
5442 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
5443 (assign_minipool_offsets, arm_print_value): Likewise.
5444 (dump_minipool): Rewrite.
5445 (arm_barrier_cost): New function.
5446 (create_fix_barrier): New function.
5447 (push_minipool_barrier): New function.
5448 (push_minipool_fix): Record additional information about the fixup
5450 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
5451 check the mode of what needs fixing.
5452 (arm_reorg): Rewrite.
5454 2000-03-08 Nick Clifton <nickc@cygnus.com>
5456 * config/arm/arm.md (indirect_jump): Force constant addresses into
5459 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
5461 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
5463 2000-02-24 Nick Clifton <nickc@cygnus.com>
5465 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
5466 adjust is word aligned.
5467 (thumb_expand_epilogue): Make sure that stack adjust is word
5470 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
5472 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
5474 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
5475 pointer relative addresses.
5477 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
5479 * arm.c (find_barrier): Find the last barrier within the allowed
5482 2000-02-09 Nick Clifton <nickc@cygnus.com>
5484 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
5486 2000-02-09 Nick Clifton <nickc@cygnus.com>
5488 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
5489 ARM_FUNCTION_PROFILER.
5491 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
5492 ARM_FUNCTION_PROFILER.
5494 * config/arm/linux-oldld.h: Imported from mainline sources.
5496 2000-02-07 Nick Clifton <nickc@cygnus.com>
5498 * config/arm/lib1funcs.asm: Merge in thumb functions from
5501 * config/arm/lib1thumb.asm: Delete.
5503 2000-02-04 Nick Clifton <nickc@cygnus.com>
5505 * config/arm/arm.c: Sychronised with current Red hat local
5507 * config/arm/arm.h: Ditto.
5508 * config/arm/arm-protos.h: Ditto.
5510 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
5512 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
5514 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
5517 2000-02-02 Nick Clifton <nickc@cygnus.com>
5519 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
5521 * config/arm/arm.md (epilogue): Fix rtl checking abort because
5522 (return) was emited using an emit_insn() call.
5524 2000-01-31 Nick Clifton <nickc@cygnus.com>
5526 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
5528 (thumb_exit): Move frame pointer back into hard frame pointer
5529 register if backtracing is being used.
5531 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
5533 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
5536 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
5538 * config/arm/arm.md (neg_pool_offset): Provide default for new
5540 (arm_movsi_insn): Add neg_pool_offset attribute.
5541 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
5542 rtx for the insn that starts the scan and an unsigned long for its
5543 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
5544 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
5545 instructions in *PINSERTED.
5546 (struct minipool_fixup): Add MIN_ADDRESS elt.
5547 (sort_fixups): Compute it.
5548 (arm_reorg): Changes to support inserting pools before the insn to be
5551 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
5553 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
5554 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
5555 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
5557 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
5559 * config/arm/semi.h (TARGET_VERSION): Do not define if already
5561 (TARGET_DEFAULT): Do not define if already defined.
5563 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
5565 * config/arm/arm.md (anddi3): Allow disjoint source operands.
5566 (iordi3): Allow disjoint source operands.
5567 (xordi3): Allow disjoint source operands.
5568 (negdi2): Permit construction for ARM and Thumb.
5569 (arm_negdi2): Renamed version of old negdi2 pattern.
5570 (thumb_negdi2): New pattern: Only permit non-overlapping
5571 source and destination.
5573 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
5575 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
5576 scratch low register so that it will not be deleted.
5578 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
5580 * config/arm/pe.h (ARM_PE): Define.
5582 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
5583 interfacearm attribute if this is a PE toolchain.
5584 (output_return_instruction): Do not emit anything if the function
5585 has the naked attribute set.
5586 (is_called_in_ARM_mode): If the function has the interfacearm
5587 attribute then return true.
5588 (thumb_expand_prologue): Do not generate a prologue for naked
5590 (thumb_expand_epilogue): Do not generate an epilogie for a naked
5592 (output_thumb_prologue): Do not bother if the function is naked.
5593 Strip PE encoding from function name before emitting.
5595 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
5597 * arm.md (pic_load_addr): Fix constraints.
5599 * arm.md (casesi_insn): Fix mis-applied patch.
5601 * arm.md ("core" function unit): Add rules for single- and
5603 (All TARGET_THUMB patterns): Add "type" attribute information
5605 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
5606 the following insn is a CALL.
5608 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
5610 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
5611 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
5612 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
5614 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
5616 * config/arm/linux-gas.h: oops - this file was missed out when the
5617 branch was created...
5619 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
5621 * thumb.c: Deleted. Move contents to ...
5623 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
5625 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
5628 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
5629 declare a prototype for asm_output_align();
5631 * arm.c (thumb_condition_code): Delete.
5632 (arm_print_operand): Always use arm_condition_code array.
5634 * arm.c (thumb_return_addr_rtx): Delete.
5635 (arm_save_machine_status, arm_restore_machine_status): Delete.
5636 (arm_init_machine_status, arm_mark_machine_status): New functions.
5637 (arm_init_expanders): Update accordingly.
5638 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
5639 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
5640 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
5642 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
5644 * configure.in : Fix arm-*-aout target to use new t-arm-aout
5646 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
5649 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
5651 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
5652 stack backtrace structure.
5654 * config/arm/arm-protos.h: Add prototypes for functions defined in
5657 * config/arm/arm.c (arm_override_options): Fix selection of
5658 attributes of default processor.
5660 * config/arm/coff.h: Delete needless #include.
5662 * config/arm/pe.c: Delete unused code.
5664 * config/arm/pe.h (CPP_DEFINES): Delete
5665 (SUBTARGET_CPP_SPEC): Define.
5666 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
5668 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
5670 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
5672 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
5674 (CAN_DEBUG_WITHOUT_FP): Define.
5675 (FIXED_REGISTERS): Make r11 call-saved.
5676 (CALL_USED_REGISTERS): Likewise.
5677 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
5678 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
5679 frame-pointer is required.
5680 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
5681 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
5682 if the target normally needs a stack frame in non-leaf functions.
5683 (use_return_insn): Correct logic for determining when a return
5684 instruction can be used.
5685 (output_return_instruction): Handle the frame-pointer register as
5686 a normal register when not TARGET_APCS_FRAME.
5687 (arm_output_prologue): Likewise.
5688 (arm_output_epilogue): Likewise.
5689 (output_func_epilogue): Likewise.
5690 (arm_expand_prologue): Likewise.
5691 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
5693 * arm.c (use_return_insn): No need to check floating point regs if
5695 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
5696 the code of value stored in the minipool array.
5697 (arm_add_minipool_constant): Likewise.
5699 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5701 * basic-block.h (conflict_graph_enum_fn): K&R fix.
5703 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5705 * tree.c (tree_expr_nonnegative_p): New function.
5707 * tree.h (tree_expr_nonnegative_p): Declare.
5709 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
5710 elide some sign_compare warnings.
5711 (build_conditional_expr): Likewise.
5713 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
5715 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
5717 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
5718 * i386.c (print_operand): Use the proper suffix for a 387 HImode
5719 operand. Abort if a 387 operand has an unsupported size.
5721 2000-04-08 Neil Booth <NeilB@earthling.net>
5723 * cppexp.c (parse_charconst): Null does not end character
5725 * cppinit.c (ISTABLE): Null character handled as whitespace.
5726 * cpplex.c (null_warning): new function.
5727 (skip_string): Emit warning if nulls encountered.
5728 (_cpp_skip_hspace): Emit warning if nulls encountered.
5729 (_cpp_lex_token): Emit warning if nulls encountered. Drop
5733 2000-04-07 Richard Henderson <rth@cygnus.com>
5735 * flow.c (loop_depth): Remove.
5736 (reg_next_use, cc0_live, mem_set_list): Replace with ...
5737 (struct propagate_block_info): New.
5738 (life_analysis): Don't allocate reg_next_use.
5739 (propagate_block_delete_insn): Break out of propagate_block.
5740 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
5741 (propagate_block_delete_libcall): Likewise.
5742 (propagate_block): Create a propagate_block_info struct to pass
5743 to subroutines. Allocate one not two temporary regsets. Don't
5744 clobber memory for const calls. Look for clobbers in
5745 CALL_INSN_FUNCTION_USAGE.
5746 (mark_set_regs): Recognize COND_EXEC.
5747 (mark_set_reg): Break out of mark_set_1.
5748 (mark_used_reg): Break out of mark_used_regs.
5749 (mark_used_regs): Recognize COND_EXEC.
5750 (insn_dead_p): Use propagate_block_info struct.
5751 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
5752 (find_auto_inc, try_pre_increment_1): Likewise.
5753 (print_rtl_with_bb): Dump regs live at end too.
5754 (count_reg_sets_1): Pass in loop_depth.
5755 (count_reg_sets, count_reg_references): Likewise.
5756 (recompute_reg_usage): Provide it.
5758 2000-04-07 Richard Henderson <rth@cygnus.com>
5760 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
5763 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
5765 * cpplib.c (do_elif): Skip the rest of the line if we're
5766 not going to bother evaluating it.
5767 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
5768 to avoid pointless calls to the lexer.
5770 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
5772 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
5774 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
5776 * calls.c (expand_call): emit_queue if we're trying a sibcall.
5778 2000-04-07 Jakub Jelinek <jakub@redhat.com>
5780 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
5782 2000-04-06 Geoff Keating <geoffk@cygnus.com>
5784 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
5785 crtend so they can be multilibbed.
5786 (STAGESTUFF): Remove s-crt and s-crtS.
5788 2000-04-07 Richard Henderson <rth@cygnus.com>
5790 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
5791 if we discover we need a pseudo and no_new_pseudos is true.
5792 * config/alpha/alpha.md (ne:DI insn): New.
5793 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
5795 2000-04-07 Richard Henderson <rth@cygnus.com>
5797 * rtl.def (COND_EXEC): New.
5798 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
5799 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
5801 * genconfig.c (have_cond_arith_flag): Remove.
5802 (have_cond_exec_flag): New.
5803 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
5804 (main): Print HAVE_conditional_execution.
5806 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
5807 (sched_analyze_insn, print_pattern): Likewise.
5808 * reload.c (find_equiv_reg): Likewise.
5809 * rtlanal.c (reg_referenced_p): Likewise.
5810 (note_stores, dead_or_set_regno_p): Likewise.
5811 (reg_overlap_mentioned_p): Rewrite to use a switch.
5813 * ggc.h (struct rtx_def): Forward declare.
5815 * print-rtl.c (debug_rtx_range): New.
5816 * rtl.h (debug_rtx_range): Declare.
5818 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
5820 * gcse.c (gcse_main): Don't rebuild the CFG here.
5821 (delete_null_pointer_checks): Likewise.
5822 * ssa.c (convert_to_ssa): Likewise.
5823 * toplev.c (rest_of_compilation): Do it here instead. Combine
5824 sequential calls to TIMEVAR. Consistently use `insns' instead of
5825 `get_insns()'. Always split insns after reload when optimizing.
5827 * basic-block.h (merge_blocks_nomove): Declare.
5828 (tidy_fallthru_edge): Declare.
5829 * flow.c (merge_blocks_nomove): Document as merging into previous
5830 blocks. Remove cruft from between blocks; remove all edges out of A.
5831 (tidy_fallthru_edge): Export.
5833 2000-04-06 Alex Samuel <samuel@codesourcery.com>
5835 * ssa.c (compute_conservative_reg_partition): Declare with
5837 * toplev.c (clean_dump_file): Remove previously-deleted function
5838 inadvertantly merged back in.
5839 * conflict.c (conflict_graph_add): Use a single call to
5840 htab_find_slot to look up and insert.
5842 2000-04-06 Richard Henderson <rth@cygnus.com>
5844 * genrecog.c (*): Rename _last_insn to last_insn.
5845 (make_insn_sequence): Set the position of the peephole2 C test
5846 to be at the last insn.
5848 2000-04-06 Richard Henderson <rth@cygnus.com>
5850 * flow.c (compute_flow_dominators): Free worklist.
5852 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
5854 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
5856 2000-04-06 Alex Samuel <samuel@codesourcery.com>
5858 * rtl.h (INSN_P): New macro.
5859 (successor_phi_fn): New typedef.
5860 (for_each_successor_phi): New prototype.
5861 (in_ssa_form): New variable.
5862 (PHI_NODE_P): Likewise.
5863 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
5864 phi nodes in successors.
5865 (mark_used_regs): Add PHI case.
5866 (set_phi_alternative_reg): New function.
5867 (life_analysis): Assert that dead code elimination is not selected
5869 * toplev.c (to_ssa_time): New variable.
5870 (from_ssa_time): Likewise.
5871 (compile_file): Zero to_ssa_time and from_ssa_time.
5872 Print time to convert to and from SSA.
5873 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
5874 (print_time): Compute percent fraction as integer.
5875 * ssa.c (PHI_NODE_P): Moved to rtl.h.
5876 (convert_to_ssa): Check if we're already in SSA.
5877 Don't eliminate dead code in life_analysis.
5878 Rerun flow and life analysis at bottom.
5879 (eliminate_phi): Use canonical regnos when adding nodes.
5880 (mark_reg_in_phi): New function.
5881 (mark_phi_and_copy_regs): Likewise.
5882 (convert_from_ssa): Rerun life analysis at top.
5883 Use coalesced partition.
5884 Check for removing a phi node at the end of the block.
5885 (compute_coalesced_reg_partition): New function.
5886 (coalesce_regs_in_copies): Likewise.
5887 (coalesce_reg_in_phi): Likewise.
5888 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
5889 (for_each_successor_phi): Likewise.
5890 (rename_context): New struct.
5891 (rename_block): Use a rename_context with rename_insn_1. When
5892 renaming sets of a subreg, emit a copy of the entire reg first.
5893 (rename_insn_1): Treat data as a rename_context *. Save current
5895 (rename_set_data): Add field set_insn.
5896 * Makefile.in (HASHTAB_H): Move up in file.
5897 (OBSTACK_H): New macro.
5898 (collect2.o): Use OBSTACK_H in dependencies.
5899 (sdbout.o): Likewise.
5900 (emit-rtl.o): Likewise.
5901 (simplify-rtx.o): Likewise.
5902 (fix-header.o): Likewise.
5903 (OBJS): Add conflict.o.
5904 (conflict.o): New rule.
5905 * basic-block.h: Include partition.h.
5906 (conflict_graph): New typedef.
5907 (conflict_graph_enum_fn): Likewise.
5908 (conflict_graph_new): New prototype.
5909 (conflict_graph_delete): Likewise.
5910 (conflict_graph_add): Likewise.
5911 (conflict_graph_conflict_p): Likewise.
5912 (conflict_graph_enum): Likewise.
5913 (conflict_graph_merge_regs): Likewise.
5914 (conflict_graph_print): Likewise.
5915 (conflict_graph_compute): Likewise.
5916 * conflict.c: New file.
5918 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
5920 * tlink.c (read_repo_files): Don't look for .rpo info for
5923 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5925 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
5927 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5929 * config/sh/lib1funcs.asm (___udivsi3_i4):
5930 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
5931 only depends on FMOVD_WORKS.
5933 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5935 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
5936 make double constant 8-byte aligned.
5938 2000-04-06 Jakub Jelinek <jakub@redhat.com>
5940 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
5941 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
5942 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
5943 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
5944 Accept storing GENERAL_REGS into offsetable memory.
5945 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
5946 building a TFmode constant other than 0.0L into GENERAL_REGS.
5948 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
5950 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
5952 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
5954 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
5955 (macro_cleanup): No need to cast pbuf->macro.
5956 (collect_expansion): Use _cpp_get_define_token. Goto done if
5957 it returns VSPACE. Remove check for trailing space after
5959 (_cpp_create_definition): Don't diddle flags here. Return
5961 (unsafe_chars): Handle c1 being EOF.
5962 (push_macro_expansion): Use unsafe_chars for both accidental-paste
5963 checks. Don't push the buffer till after we're done with
5965 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
5966 (PEEKN, FORWARD, GETC, PEEKC): Use them.
5967 (cpp_push_buffer): Don't set new->alimit. Set new->mark
5969 (_cpp_parse_assertion): Don't NUL terminate.
5970 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
5971 hspace before calling _cpp_parse_assertion. Remove all sets
5972 of only_seen_white. Treat '\f' as hspace. Don't do anything
5973 special with '\n' here.
5974 (maybe_macroexpand): Handle T_EMPTY hash entries without
5975 pushing a buffer at all.
5976 (cpp_get_token): Handle clearing only_seen_white here. Handle
5977 incrementing the line number here. Clear
5978 potential_control_macro as well as only_seen_white, if
5980 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
5981 (_cpp_get_define_token): New function, basically like
5982 _cpp_get_directive_token was but doesn't eat horizontal space.
5983 Don't do anything with only_seen_white here.
5984 (_cpp_get_directive_token): Just call _cpp_get_define_token
5985 repeatedly till it returns non-hspace.
5987 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
5988 (conditional_skip, skip_if_group): Return int.
5989 (DIRECTIVE_TABLE): Change origin of all conditional directives
5991 (TRAD_DIRECT_P): New macro.
5992 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
5993 an error for a bogus directive, unless -lang-asm. Use
5994 TRAD_DIRECT_P. Loop calling handler functions till one returns
5996 (get_macro_name): Don't diddle flags here.
5997 (do_define): Diddle flags here. Use _cpp_get_directive_token.
5998 Create T_EMPTY nodes for #define macro /* nothing */.
5999 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
6000 Use hp->name when calling pass_thru_directive.
6001 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
6002 Return the result of conditional_skip and/or skip_if_group.
6003 Don't call _cpp_output_line_command.
6004 (consider_directive_while_skipping): Use _cpp_get_directive_token.
6005 Issue -Wtraditional warnings as appropriate. Don't complain
6006 about unrecognized directives. If we are to stop skipping,
6007 return the number of the directive that ended the skip.
6008 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
6009 expansion and line commands while skipping. Return the result
6010 of consider_directive_while_skipping, if nonzero.
6011 (do_endif): Just set potential_control_macro here.
6012 (validate_else): Use _cpp_get_directive_token.
6013 (do_assert, do_unassert): Don't save pointers into the
6014 token_buffer across calls to the lexer. Use
6015 _cpp_get_directive_token.
6017 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
6018 pointer, not an offset. Replace 'data', which was a generic
6019 pointer, with 'macro', which points to a struct hashnode.
6020 (cpp_reader): Add 'potential_control_macro' pointer.
6021 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
6022 (CPP_BUF_GET, CPP_FORWARD): Delete.
6023 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
6024 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
6025 ACTIVE_MARK_P): Update.
6026 (_cpp_get_define_token): New internal function.
6027 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
6029 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
6031 * configure.in: And here.
6032 * configure: Regenerate.
6033 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
6034 --enable-libstdcxx-v3 is passed at configure time.
6035 * config.h.in: Regenerate.
6037 2000-04-05 Mark Mitchell <mark@codesourcery.com>
6039 * final.c (final): Use xcalloc to allocate line_note_exists.
6040 * function.c (free_after_compilation): Free the temp_slots.
6041 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
6042 (combine_temp_slot): Free temp_slots when they get combined.
6043 (purge_addressof): Fix typo in comment.
6044 * stmt.c (mark_goto_fixup): Mark the fixup itself.
6045 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
6047 * ggc.h: Include varray.h.
6048 (ggc_pending_trees): Declare.
6049 (ggc_mark_tree_children): Remove declaration.
6050 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
6051 * ggc-common.c (ggc_pending_trees): New variable.
6052 (ggc_mark_roots): Call ggc_mark_trees.
6053 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
6054 the ggc_pending_trees.
6055 * Makefile.in (GGC_H): New variable. Use it throughout in place
6058 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6060 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
6063 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6065 * sh.c (sh_insn_length_adjustment): New function.
6066 * sh-protos.h (sh_insn_length_adjustment): Declare.
6067 * sh.h (ADJUST_INSN_LENGTH): Use it.
6069 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
6071 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
6072 from the insn where REG_RETVAL is added.
6073 (emit_no_conflict_block): Ditto.
6075 * md.texi (Standard Names): Clarify when movX is needed.
6077 * combine.c (simplify_comparison) [MINUS]: Do not replace
6078 all (op (minus A B) 0) with (op A B).
6080 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
6081 J"orn Rennecke <amylaar@cygnus.co.uk>
6083 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
6084 (block_lump_real): Likewise.
6086 2000-04-05 Chris Demetriou <cgd@netbsd.org>
6088 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
6089 remaining non-zero debugging masks.
6091 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
6093 * basic-block.h (verify_flow_info): Declare.
6094 (flow_loop_outside_edge_p): Declare.
6095 * flow.c (verify_flow_info): Remove declaration.
6096 (clear_log_links, flow_loop_outside_edge_p): Likewise.
6098 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
6100 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
6103 2000-04-05 Jakub Jelinek <jakub@redhat.com>
6105 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
6106 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
6107 seqdi_zero_trunc+1): Allow splits only if registers are
6110 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
6112 * acconfig.h: Add HAVE_GAS_HIDDEN.
6113 * config.in: Regenerated.
6114 * configure.in: Add test for .hidden pseudo-op in gas.
6115 * configure: Regenerated.
6116 * crtstuff.c: Include auto-host.h.
6117 Emit additional .hidden pseudo-op for __dso_handle if the
6118 assembler knows about it.
6120 2000-04-04 Philippe De Muyter <phdm@macqel.be>
6122 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
6123 before freeing argnames.
6124 * cpplib.c (do_ifndef): Cast return value of xstrdup.
6126 2000-04-05 Michael Meissner <meissner@redhat.com>
6128 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
6129 Walton <jonboy@gordian.com> to make memory references with update
6130 work wtih -mregnames.
6132 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6134 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
6135 (regrename_optimize): Rename variables `def_uses' and
6136 `ext_basic_blocks' to avoid conflicts with similarly named
6137 typedefs in traditional C.
6139 * calls.c (initialize_argument_information): Fix typo in previous
6142 2000-04-04 Richard Henderson <rth@cygnus.com>
6144 * regrename.c (consider_available): Test fixed_regs not
6145 PIC_OFFSET_TABLE_REGNUM.
6147 2000-04-04 Geoff Keating <geoffk@cygnus.com>
6149 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
6151 (CRTSTUFF_T_CFLAGS_S): Delete definition.
6152 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
6153 (ENDFILE_LINUX_SPEC): Always use crtend.
6154 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
6155 (powerpc-*-linux-gnu): Likewise.
6156 * configure: Regenerate.
6158 * config/rs6000/eabi.h: Don't include sysv4.h.
6159 (MULTILIB_DEFAULTS): Don't define.
6160 * config/rs6000/eabiaix.h: Don't include eabi.h.
6161 * config/rs6000/eabile.h: Delete.
6162 * config/rs6000/eabilesim.h: Delete.
6163 * config/rs6000/eabisim.h: Don't include eabi.h.
6164 * config/rs6000/linux.h: Don't include sysv4.h.
6165 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
6166 (MULTILIB_DEFAULTS): Don't redefine.
6167 * config/rs6000/rtems.h: Don't include eabi.h.
6168 * config/rs6000/sol2.h: Don't include sysv4le.h.
6169 * config/rs6000/sysv4le.h: Don't include sysv4.h.
6170 * config/rs6000/t-ppc: Delete.
6171 * config/rs6000/t-ppcgas: Correct comment.
6172 * config/rs6000/t-ppcos: Correct comment. Don't build
6173 multilibs for -fPIC, rather use -fPIC -mstrict-align
6175 * config/rs6000/t-ppc: Delete.
6176 * config/rs6000/vxppc.h: Don't include sysv4.h.
6177 * config/rs6000/vxppcle.h: Delete.
6178 * configure.in: Use multiple header files for p2pc ELF targets
6179 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
6180 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
6181 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
6182 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
6183 always available for these platforms.
6185 2000-04-04 Richard Henderson <rth@cygnus.com>
6187 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
6189 2000-04-04 Stan Cox <scox@cygnus.com>
6191 * Makefile.in: Add rules for regrename.o
6192 * regrename.c: New file.
6193 * rtl.h (regrename_optimize): Add prototype.
6194 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
6195 (compile_file, decode_d_option): Add support for -frename-registers.
6196 (rest_of_compilation): Call regrename_optimize.
6197 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
6200 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6202 * Makefile (gccbug): New target.
6203 (doc): Depend on it.
6204 * gcc.texi (Bugs): Link subnodes.
6206 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
6207 Document severities, priorities, and classes in bug form.
6209 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
6211 * cpplex.c (trigraph_map, speccase): Combine into single
6213 (NORMAL, NONTRI): New macros.
6214 (_cpp_read_and_prescan): Change to use unified table. Use
6215 is_hspace to test for whitespace.
6217 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
6218 definition that doesn't provoke the "empty body in an
6219 if-statement" warning.
6221 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
6223 * builtins.c (expand_builtin_strlen): Force the source to
6224 be a memory address.
6226 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6228 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
6230 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
6232 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
6233 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
6234 (ECF_IS_CONST): Rename to ECF_CONST.
6235 (special_function_p): Make static, change interface.
6236 (flags_from_decl_or_type, try_to_integrate): Break out from ...
6237 (expand_call) ... here; convert number of variables to flags.
6238 (emit_library_call_vlue_1): Likewise.
6239 (setjmp_call_p): New function.
6240 (initialize_argument_information): Accepts flags as argument;
6242 (precompute_arguments): Likewise.
6243 * tree.h (special_function_p): Remove.
6244 (setjmp_call_p): Add prototype.
6246 2000-04-04 Jakub Jelinek <jakub@redhat.com>
6248 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
6249 so that addresses are offsetable by up to 16 bytes.
6250 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
6251 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
6254 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
6255 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
6256 (movsf): Don't force any constant to memory if target is integer
6258 Move fp_zero_operand check below the const0_rtx check.
6259 (movtf): Likewise. Also allow fp_zero_operand for stores into
6261 (movdf): Likewise. Also allow fp_zero_operand for stores into
6262 memory and into integer hard registers.
6263 (clear_df, clear_dfp, movdf_const_intreg_sp32,
6264 movdf_const_intreg_sp64): Remove.
6265 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
6267 (movdf_no_e_insn_v9_sp32): New pattern.
6268 (movdf_insn_v9only): Remove.
6269 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
6270 (movdf_insn_sp64): Remove.
6271 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
6272 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
6273 (following splits): Rewrite conditions. Add two new splits
6274 for storing 0.0 into memory and registers.
6275 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
6276 (movtf_insn_sp32): Redo constraints and conditions.
6277 (movtf_insn_vis_sp32): New pattern.
6278 (movtf_no_e_insn_sp32): Redo constraints and conditions.
6279 (movtf_insn_hq_sp64): Likewise.
6280 (movtf_insn_hq_vis_sp64): New pattern.
6281 (movtf_insn_sp64): Redo constraints and conditions.
6282 (movtf_insn_vis_sp64): New pattern.
6283 (movtf_no_e_insn_sp64): Redo constraints and conditions.
6284 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
6286 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
6287 -mvis or -m64 to take down the number of various reload patterns.
6289 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
6291 * pa/pa-64.h: New file.
6292 * pa/pa64-regs.h: New file.
6293 * pa/pa64-start.h: New file.
6294 * pa/t-pa64: New file.
6295 * pa/xm-pa64hpux.h: New file.
6297 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6299 * sparc.c (output_restore_regs): Prototype.
6300 (sparc_emit_float_lib_cmp): Constification.
6302 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
6304 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
6307 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
6308 (get_value_hash, hash_rtx): Likewise.
6310 * ssa.c (compute_conservative_reg_partition): Prototype.
6312 * tree.c (mark_hash_entry): Prototype.
6314 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
6316 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
6317 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
6318 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
6320 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
6321 * objc/lang-specs.h: Likewise.
6323 2000-04-03 Neil Booth <NeilB@earthling.net>
6325 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
6326 and SYNTAX_ERROR2. Replace `' in messages with ''.
6327 (op_to_str): Make re-entrant.
6328 (_cpp_parse_expr): Implement new error macros. Use | rather
6329 than || to logically or 2 boolean integers. Simply expression
6330 checking we have a left operand iff needed.
6332 2000-04-03 Nick Clifton <nickc@cygnus.com>
6334 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
6336 2000-04-03 Philip Blundell <philb@gnu.org>
6338 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
6340 2000-04-03 Felix Lee <flee@cygnus.com>
6342 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
6343 (run_shell): Use it.
6345 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
6347 * Makefile.in (stmp-int-hdrs): Make include subdir here...
6348 (stmp-fixproto): ...rather than here.
6350 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
6352 * pa.c (print_operand): Compute 'base' only inside the code paths
6355 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
6357 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
6360 2000-04-03 Philipp Thomas <pthomas@suse.de>
6362 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
6364 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
6366 * Makefile.in (alias.o): Depend on $(TREE_H).
6368 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
6370 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
6372 * cpplib.c (_cpp_handle_directive): Improve warnings for
6373 traditional C and indented directives.
6375 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
6376 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
6377 fixinc/inclhack.def: Indent the # of #include_next one space.
6378 * cp/rtti.c: Un-indent #if and #endif.
6380 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
6381 syntax error, but an error has already been printed.
6382 * cpplex.c (_cpp_parse_assertion): Give a more specific error
6383 message when called with nothing remaining on the line.
6384 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
6385 OTHER token, not an ASSERTION.
6386 * cpplib.c (do_assert): When we create a 'base' node, clear
6387 its aschain pointer.
6389 2000-04-02 Neil Booth <NeilB@earthling.net>
6391 * cppexp.c: New typedef op_t. struct operation and struct
6392 token updated to use it.
6393 (op_to_str): New function.
6394 (_cpp_parse_expr): Error messages modified to use op_to_str.
6396 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6398 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
6399 before checking MUST_PASS_IN_STACK.
6401 2000-04-02 Neil Booth <NeilB@earthling.net>
6403 * cppexp.c: New FINISHED dummy token. Combine operator initial
6404 flags and initial priority into a single constant. New
6405 EQUALITY macro. New operator flag SHORT_CIRCUIT.
6406 (_parse_cpp_expr): Implement new constants. Take left operand
6407 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
6408 parse indicated by reducing FINISHED token. Remove new lines
6409 from cpp_error messages.
6411 2000-04-01 Mark Mitchell <mark@codesourcery.com>
6413 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
6416 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
6418 * cpplib.c: Include symcat.h. Add 'origin' field to struct
6419 directive. Add origin values to DIRECTIVE_TABLE. Generate
6420 the strings and function names on the fly. Take the #sccs
6421 entry out of the table if SCCS_DIRECTIVE is not defined.
6422 (_cpp_handle_directive): Decide if the # was at the beginning
6423 of the line here. Issue -pedantic warnings for extended
6424 directives here. Warn about K+R directives with the #
6425 indented, and C89/extended directives with the # not indented,
6427 (do_import, do_include_next, do_warning, do_ident, do_sccs,
6428 do_assert, do_unassert): Don't issue pedantic warning here.
6430 * cpphash.h: Add CPP_WTRADITIONAL macro.
6431 * cpplib.h (struct cpp_options): Rename warn_stringify to
6432 warn_traditional; update comments.
6433 * cppinit.c (handle_option): Set warn_traditional not
6435 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
6436 CPP_WTRADITIONAL (pfile).
6437 * cpplex.c (_cpp_lex_token): Don't decide if directives should
6438 be ignored in -traditional mode here.
6440 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
6441 to initialize speccase[] and trigraph_map[]. Delete all
6442 references to pfile->input_speccase. Always treat '?' as a
6443 special character. Remove table-initialization code from
6444 _cpp_init_input_buffer.
6446 * cpplib.h (struct cpp_reader): Remove input_speccase field.
6447 * cppinit.c (cpp_cleanup): Don't free input_speccase.
6449 2000-04-01 Richard Henderson <rth@cygnus.com>
6451 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
6452 (mostlyclean): Likewise.
6454 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
6455 (struct dump_file_info, enum dump_file_index, dump_file): New.
6456 (open_dump_file): Take a dump_file_index not a suffix, and a decl
6457 not a string. Clean out file if we havn't yet done so. Do nothing
6458 if the dump isn't enabled.
6459 (close_dump_file): Do nothing if the dump isn't open. Dump
6460 graph data if requested.
6461 (dump_rtl, clean_dump_file): Remove.
6462 (compile_file): Don't clean the dump files. Only finalize .bp dump
6463 if flag_test_coverage or flag_branch_probabilities. Only finalize
6464 .combine dump if optimizing. Iterate over dump_file to finalize the
6466 (rest_of_compilation): Update for open_dump_file/close_dump_file.
6467 Convert all uses of dump_rtl.
6468 (decode_d_option): Iterate over dump_file to implement 'a' and to
6469 locate pass-specific dumps.
6471 2000-04-01 Neil Booth <NeilB@earthling.net>
6473 * cppexp.c: Redefine priority constants.
6474 (_cpp_parse_expr): Replace left and right priority scheme with
6475 single priority logic. Move LOGICAL to same place as COMPARE.
6476 Remove bogus check for multiple unary +/- operators.
6478 2000-04-01 Neil Booth <NeilB@earthling.net>
6480 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
6481 within the switch statement. Binary operations break out of
6482 the switch naturally. '(' tokens handled by forcing
6483 immediate shift. ')' handled by forcing immediate reduce to
6484 the previous '('. New error messages.
6486 2000-03-31 Geoff Keating <geoffk@cygnus.com>
6488 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
6489 part', it's already in use. Use %K instead. Add a return at the
6490 end of what is now %K.
6491 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
6493 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
6495 * builtins.c (expand_builtin_apply): Pass proper parameters to
6496 allocate_dynamic_stack_space.
6497 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
6498 update stack_pointer_delta; do not update arg_size_so_far.
6499 (compute_argument_block_size): Use stack_delta instead of
6500 stack_pointer_pending and arg_size_so_far.
6501 (expand_call): Add sanity checking for stack_pointer_delta;
6502 save and restore stack_pointer_delta for SIB, use
6503 stack_pointer_delta for alignment; do not update arg_space_so_far.
6504 (emit_library_call_value): Use stack_pointer_delta for alignment.
6505 (store_one_arg): Do not update arg_space_so_far.
6506 * explow.c (adjust_stack, anti_adjust_stack): Update
6507 stack_pointer_delta.
6508 (allocate_dynamic_stack_space): Add sanity checking for
6509 stack_pointer_delta.
6510 * expr.c (init_expr, clear_pending_stack_adjust): Clear
6511 stack_pointer_delta.
6512 (emit_push_insn): Update stack_pointer_delta.
6513 * function.h (struct expr_status): Add x_stack_pointer_delta;
6514 remove x_arg_space_so_far.
6515 (arg_space_so_far): Remove.
6516 (stack_pointer_delta): New macro.
6518 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
6520 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
6521 Reorder struct cpp_options and struct cpp_reader for better
6522 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
6523 takes two args. Change all 'char' flags to 'unsigned char'.
6524 Move show_column flag into struct cpp_options. Don't
6525 prototype cpp_options_init.
6526 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
6527 cppinit.c, cpplex.c, cpplib.c:
6528 Replace CPP_OPTIONS (pfile)->whatever with
6529 CPP_OPTION (pfile, whatever), and likewise for
6530 opts = CPP_OPTIONS (pfile); ... opts->whatever;
6532 * cppinit.c (merge_include_chains): Take a cpp_reader *.
6533 Extract CPP_OPTION (pfile, pending) and work with that
6535 (cpp_options_init): Delete.
6536 (cpp_reader_init): Turn on on-by-default options here.
6537 Allocate the pending structure here.
6538 (cl_options, enum opt_code): Define these from the same table,
6539 kept in a large macro. Add -fshow-column and -fno-show-column
6542 * cpperror.c (v_message): If show_column is off, don't print
6545 * cppmain.c: Update for new interface.
6546 * fix-header.c: Likewise.
6548 2000-03-30 Geoff Keating <geoffk@cygnus.com>
6550 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
6552 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
6553 are passed to any invocation of AR_FOR_TARGET.
6554 (AR_CREATE_FOR_TARGET): New macro.
6555 (AR_EXTRACT_FOR_TARGET): New macro.
6556 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
6557 AR_EXTRACT_FOR_TARGET.
6558 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
6559 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
6560 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
6561 AR_EXTRACT_FOR_TARGET to sub-makes.
6563 2000-03-31 Neil Booth <NeilB@earthling.net>
6565 * cppexp.c: Delete SKIP_OPERAND. Correct priority
6567 (_cpp_parse_expr): Check for multiple unary +/- operators.
6568 Correct priorities of ':' and '?'. Treat ')' as having a
6569 value. Ensure conditional expression is not void.
6571 2000-03-31 Mark Mitchell <mark@codesourcery.com>
6573 * alias.c (canon_rtx): Make it global.
6574 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
6576 * cse.c (struct table_elt): Add canon_exp.
6578 (invalidate): Canonicalize expressions only once.
6579 * rtl.h (canon_rtx): Declare.
6581 2000-03-30 Mark Mitchell <mark@codesourcery.com>
6583 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
6584 * alias.c (reg_known_value): Add comments.
6585 (init_alias_analysis): Likewise.
6586 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
6588 (cse_basic_block): Fix typo in comment.
6589 * emit-rtl.c: Include hashtab.h.
6590 (const_int_htab): New variable.
6591 (const_int_htab_hash): New function.
6592 (const_int_htab_eq): Likewise.
6593 (rtx_htab_mark_1): Likewise.
6594 (rtx_htab_mark): Likewise.
6595 (gen_rtx_CONST_INT): Cache all CONST_INTs.
6596 (unshare_all_rtx): Fix formatting.
6597 (init_emit_once): Initialize const_int_htab.
6598 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
6600 * rtl.texi: Document the fact that all CONST_INTs with the same
6603 2000-03-30 Richard Henderson <rth@cygnus.com>
6605 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
6607 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
6609 * configure.in: Comment out --enable-c-cpplib stanza.
6610 * configure: Regenerate.
6612 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6614 * expr.c (store_constructor): Properly compute displacement and
6615 alignment when offset is variable.
6617 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
6618 cases of alignment in bytes.
6620 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
6622 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
6623 since it is used to generate c-parse.y.
6624 * objc-parse.c, objc-parse.y: Regenerated.
6626 * function.c (expand_function_end): Pass alignment argument to
6627 emit_block_move in bits, not bytes.
6629 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6631 * expr.c (move_by_pieces_ninsns): Fix one more missing align
6634 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
6636 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
6637 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
6638 * function.c (assign_parms): Likewise.
6639 * integrate.c (expand_inline_function): Likewise.
6640 * stmt.c (expand_decl): Likewise.
6641 (copy_rtx_and_substitute): Likewise.
6642 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
6643 (clear_by_pieces): Fix error in last change.
6644 * emit-rtl.c (init_emit): Set known registers alignment in bits.
6645 * function.h (regno_pointer_align): Now unsigned.
6646 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
6648 * config/i386/i386.c (aligned_operand): Likewise.
6649 * config/sparc/sparc.c (mem_min_alignment): Likewise.
6650 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
6651 (unaligned_memory_operand): Likewise.
6652 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
6653 Also make alignments and sizes unsigned and some whitespace cleanup.
6654 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
6656 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
6657 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
6658 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
6659 (expand_builtin_memset): Likewise, but to clear_storage.
6660 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
6661 (restore_fixed_argument_area): Likewise.
6662 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
6663 (load_register_parameters): Likewise, to emit_group_load.
6664 (expand_call): Likewise, to emit_group_store and emit_block_move.
6665 (emit_library_call_value_1): Likewise, to emit_block_move.
6666 (store_one_arg): Likewise, and to emit_push_insn.
6667 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
6668 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
6669 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
6670 (emit_block_move, emit_group_load, emit_group_store): Likewise.
6671 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
6672 (expand_assigment, store_expr, store_constructor_field): Likewise.
6673 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
6674 (store_constructor, store_field, get_inner_reference): Likewise.
6675 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
6676 (expand_expr, case COMPONENT_REF): Likewise.
6677 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
6678 and positions; reindent code.
6679 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
6680 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
6681 (assign_parms): Likewise to emit_group_store.
6682 * optabs.c (prepare_cmp_insn): Alignment is in bits.
6683 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
6684 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
6685 (expand_return): Likewise to {extract,store}_bit_field.
6686 * stor-layout.c (get_mode_alignment): Minor cleanup.
6687 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
6688 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
6690 2000-03-29 Nick Clifton <nickc@cygnus.com>
6692 * config/arm/arm.h: Undo effects of previous delta:
6693 (ASM_SPEC): Do not define.
6694 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
6696 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
6699 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
6701 * cppinit.c (cpp_start_read): Call initialize_dependency_output
6702 only after reading in the primary source file.
6704 2000-03-29 Geoff Keating <geoffk@cygnus.com>
6706 * c-common.c (c_common_nodes_and_builtins): The first parameter to
6707 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
6708 or a reference to a va_list.
6709 * builtins.c (stabilize_va_list): Simplify now we don't have to
6710 work around C array address decay.
6711 * c-typeck.c (convert_for_assignment): Handle assignment to
6712 a reference parameter by taking the address of the RHS.
6713 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
6714 (va_copy): Likewise.
6715 (__va_copy): Likewise.
6716 * ginclude/varargs.h (va_start): Likewise.
6717 (__va_copy): Likewise.
6719 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
6721 * i386/djgpp.h: Remove extraneous "+".
6723 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
6725 * calls.c (expand_call): Fix typo in last change.
6727 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
6729 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
6732 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6734 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
6735 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
6736 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
6737 * tree.c (bit_position, byte_position): Likewise.
6738 * tree.h: Declare new functions.
6740 2000-03-29 Nick Clifton <nickc@cygnus.com>
6742 * config/arm/arm.c: Minor formatting changes/
6743 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
6745 (ASM_SPEC): Define if not already defined.
6747 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
6749 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
6752 2000-03-29 Jakub Jelinek <jakub@redhat.com>
6754 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
6755 value, don't output it as unsigned.
6757 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
6759 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
6761 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6763 * c-common.c (c_common_nodes_and_builtins): Don't special case
6764 cplus_mode when declaring builtin bzero/bcmp, always avoid
6765 prototype arguments.
6767 2000-03-29 Bruce Korb <bkorb@gnu.org>
6769 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
6772 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
6774 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
6775 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
6776 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
6777 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
6778 (save_fixed_argument_area, restore_fixed_argument_area):
6779 conditionize by #ifdef REG_PARM_STACK_SPACE only.
6780 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
6781 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
6782 (precompute_register_parameters): Avoid #ifdefs on
6783 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
6784 (stire_one_args): Likewise.
6785 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
6786 (emit_library_call_value_1): Likewise.
6787 (compute_argument_block_size): Align to STACK_BOUNDARY only for
6788 ACCUMULATE_OUTGOING_ARGS.
6789 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
6791 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
6792 (use_crosses_set_p): Likewise.
6793 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
6794 #define ACCUMULATE_OUTGOING_ARGS 1.
6795 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
6797 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
6799 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
6800 (TARGET_SWITCHES): Add push-args, no-push-args,
6801 accumulate-outgoing-args and no-accumulate-outgoing-args.
6802 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
6803 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
6804 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
6806 (emit_push_insn): Likewise.
6807 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
6808 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
6809 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
6810 (STACK_DYNAMIC_OFFSET): Define correctly for both
6811 ACCUMULATE_OUTGOING_ARGS and normal mode.
6812 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
6813 * tm.texi (PUSH_ARGS): Document.
6814 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
6816 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
6818 * flags.h (flag_optimize_sibling_calls): Declare.
6819 * calls.c (expand_call): Fail sibcall when
6820 !flag_optimize_sibling_calls
6821 * invoke.texi (flag_optimize_sibling_calls): Document.
6822 * toplev.c (flag_optimize_sibling_calls): New global variable.
6823 (f_options): Add flag_optimize_sibling_calls.
6824 (rest_of_compilation): Conditionize
6825 optimize_sibling_and_tail_recursive_calls by
6826 flag_optimize_sibling_calls.
6827 (main): Set flag_optimize_sibling_calls for -O2.
6828 * stmt.c (expand_return): Conditionize tail recursion by
6829 flag_optimize_sibling_calls.
6831 2000-03-29 Richard Henderson <rth@cygnus.com>
6833 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
6834 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
6836 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
6838 * except.c (add_eh_table_entry): Mark type_info's as referenced.
6840 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6842 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
6844 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
6845 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
6846 * config/rs6000/aix.h: then modified likewise.
6848 2000-03-28 Richard Henderson <rth@cygnus.com>
6850 * rtl.h: Redistribute enum reg_note documentation.
6851 Kill trailing whitespace.
6852 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
6853 Kill trailing whitespace.
6855 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
6857 * cppfiles.c (hash_IHASH): Just return i->hash.
6858 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
6859 htab_find_with_hash.
6860 (cpp_read_file): Likewise.
6861 (find_include_file): Likewise. Properly initialize
6862 ih->nshort. Share ih->name and ih->nshort if possible.
6863 * cpphash.c (_cpp_calc_hash): New function.
6864 (hash_HASHNODE): Just return h->hash.
6865 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
6866 htab_find_with_hash.
6867 * cpphash.h: Prototype _cpp_calc_hash.
6868 * cppinit.c (initialize_builtins): Provide a valid hash
6869 to _cpp_make_hashnode, using _cpp_calc_hash.
6871 * cpphash.c (collect_expansion): # is not a special character
6872 in object-like macros. In -traditional mode, /**/ is not
6873 token paste at the beginning or end of the line.
6874 * cpplib.c (do_include, do_import, do_include_next): If
6875 parse_include fails, return immediately.
6877 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
6879 * config/arm/arm.md (return peepholes): Update to reflect the new
6881 * config/arm/arm.c (arm_volatile_func): Also check
6882 current_function_nothrow.
6883 (output_return_instruction, output_func_prologue): Use it.
6884 (arm_output_epilogue, arm_expand_prologue): Likewise.
6886 2000-03-27 Tom Tromey <tromey@cygnus.com>
6888 * gcc.c (handle_braces): In {x*...} case, break out of loop if
6891 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6893 * expr.c (store_constructor): SIZE now signed.
6894 For EXPR_SIZE, don't evaluate size; just needed if constant.
6895 * fold-const.c (fold): Fix a number of cases when folded tree is
6897 * function.c (flush_addressof): Reenable.
6898 * tree.h (flush_addressof): Likewise.
6899 * toplev.c (independent_decode_option): Look at strings_processed.
6900 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
6902 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
6904 * sibcall.c (indentify_call_return_value): Find last call in the chain;
6905 Allow stack adjustment after function call.
6907 * regmove.c (struct csa_memlist): Make mem field rtx *.
6908 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
6909 (try_apply_stack_adjustment): Replace whole MEM rtx.
6910 (combine_stack_adjustments_for_block): Update calls
6911 to record_one_stack_ref.
6913 2000-03-28 Neil Booth <NeilB@earthling.net>
6915 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
6916 '\\' rather than a null character, so nulls are not special. Fix
6917 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
6918 speed trigraph conversion.
6919 (_cpp_init_input_buffer): Initialize trigraph map.
6921 2000-03-27 Alan Modra <alan@linuxcare.com.au>
6923 * config/i386/i386.c (output_387_binary_op): Correct intel
6924 mode assembly output, and add spaces after commas in AT&T
6925 output. Correct Unixware assembler comment. Document input
6926 constraints. Comment fp operations. Reduce profligate buffer
6927 size. Remove extraneous abort. Localize temp var.
6928 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
6929 (output_fix_trunc): Add spaces after commas in assembly output.
6931 2000-03-27 Richard Henderson <rth@cygnus.com>
6933 * i386-protos.h (ix86_match_ccmode): Declare.
6934 * i386.c (ix86_match_ccmode): New.
6935 (ix86_expand_fp_compare): Update for pattern renames.
6936 (ix86_expand_strlensi_unroll_1): Likewise.
6937 * i386.h (EXTRA_CC_MODES): Add CCZ.
6938 (SELECT_CC_MODE): Use it for EQ/NE zero.
6939 * i386.md (cmpsi_ccz_1): New.
6941 (*testsi_ccz_1): New.
6942 (testqi_ccz_1): New.
6943 (cmpsi_ccno_1): Rename from cmpsi_0.
6944 (testsi_ccno_1): Rename from testsi_1.
6945 (testqi_ccno_1): Rename from testqi_1.
6946 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
6947 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
6948 (*cmphi_0): Use ix86_match_ccmode.
6949 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
6950 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
6951 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
6952 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
6953 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
6954 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
6955 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
6956 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
6957 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
6958 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
6959 (appropriate peepholes): Likewise.
6960 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
6961 (*subsi_3, *subhi_3, *subqi_3): Remove.
6962 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
6963 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
6964 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
6965 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
6966 (x86_shift_adj_1): Use CCZ.
6967 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
6969 2000-03-27 Stan Cox <scox@cygnus.com>
6971 * resource.h (mark_resource_type): New.
6972 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
6973 find_free_register): Use mark_resource_type.
6974 (mark_set_resources): Change include_delayed_effects
6975 to mark_resource_type.
6976 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
6977 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
6978 Use mark_resource_type.
6980 2000-03-27 Richard Henderson <rth@cygnus.com>
6982 * i386.md (call_pop_0, call_value_pop_0): New.
6983 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
6984 (call_value_pop_1): Likewise.
6985 (call_0, call_value_0): New.
6986 (call_1, call_value_1): Remove constraint from unused arg.
6988 2000-03-27 Nick Clifton <nickc@cygnus.com>
6990 * invoke.texi (Spec Files): Document new spec % command created by
6991 Tom Tromey's recent patch.
6993 2000-03-27 Jakub Jelinek <jakub@redhat.com>
6995 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
6998 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7000 * expr.c (expand_assignment): Fix typo in last change.
7002 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
7004 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7006 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
7007 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
7008 and DECL_INLINE if FUNCTION_DECL.
7009 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
7010 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
7011 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
7012 (combine_parm_decls): Likewise.
7013 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
7014 * print-tree.c (print_node): Likewise.
7015 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
7016 DECL_TRANSPARENT_UNION on proper decl types.
7017 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
7018 * stor-layout.c (layout_decl): Only check DECL_PACKED and
7019 DECL_BIT_FIELD of FIELD_DECL.
7020 * tree.h (DECL_RESULT_FLD): New macro.
7022 * expr.c (expand_assignment): Add code to handle variable-sized
7025 2000-03-26 Richard Henderson <rth@cygnus.com>
7027 * calls.c (expand_call): Pass parms not original exp to
7028 optimize_tail_recursion. Mind return value instead of looking
7030 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
7031 call_expr. Move checks for call_expr and current_function_decl ...
7032 (expand_return): ... here.
7034 2000-03-26 Tom Tromey <tromey@cygnus.com>
7036 * gcc.c (handle_braces): Recognize `%{<S}' construct.
7037 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
7039 (process_command): Use them.
7040 (check_live_switch): Likewise.
7041 (give_switch): Skip ignored switches.
7043 2000-03-26 Jan Hubicka <jh@suse.cz>
7045 * jump.c (jump_optimize_1): Fix typo in elide optimizations
7046 for minimal jump pass test.
7048 2000-03-26 Mark Mitchell <mark@codesourcery.com>
7050 * integrate.c (function_cannot_inline_p): Do inline functions that
7053 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7055 * stor-layout.c (layout_type, set_sizetype): early_type_list is
7056 now a list of TREE_LIST entries, not types.
7057 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
7059 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
7060 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
7062 * config/mips/mips.c (function_arg): Likewise; also remove cast
7063 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
7064 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
7065 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
7066 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
7067 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
7068 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
7069 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
7070 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
7071 num_adjusts now unsigned.
7072 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
7073 * config/sparc/sparc.c (struct function_arg_record_value_parms):
7075 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
7076 as is BITPOS variable; use host_integerp and int_bit_position.
7077 (function_arg_record_value_2): Likewise.
7078 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
7079 Variable REGNO now unsigned.
7080 (function_arg_record_value): NREGS now unsigned.
7082 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
7084 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
7086 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7088 * Rework fields used to describe positions of bitfields and
7089 modify sizes to be unsigned and use HOST_WIDE_INT.
7090 * alias.c (reg_known_value_size): Now unsigned.
7091 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
7092 (really_start_incremental_init): Use bitsize_zero_node.
7093 (push_init_level, pop_init_level, output_init_element): Likewise.
7094 Use bitsize_unit_node and bitsize_one_node.
7095 (output_pending_init_elements, process_init_element): Likewise.
7096 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
7097 (make_extraction): Position and length HOST_WIDE_INT and unsigned
7098 HOST_WIDE_INT, respectively.
7099 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
7100 (num_sign_bit_copies): Returns unsigned.
7101 BITWIDTH now unsigned; rework arithmetic.
7102 Remove recursive call from arg to MAX.
7103 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
7104 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
7106 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
7107 (find_split_point, expand_compound_operation, make_extraction): LEN
7108 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
7109 (make_field_assignment): Likewise.
7110 (combine_simplify_rtx): Add cast.
7111 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
7112 (force_to_mode): WIDTH now unsigned; add cast.
7113 (if_then_else_cond): SIZE now unsigned.
7114 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
7115 (extended_count): Now returns unsigned.
7116 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
7117 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
7118 (simplify_comparison): MODE_WIDTH now unsigned.
7119 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
7120 (mark_used_regs_combine): Likewise; rework arithmetic.
7121 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
7122 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
7123 (record_promoted_value): REGNO now unsigned.
7124 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
7125 (get_last_value): REGNO now unsigned.
7126 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
7127 (reg_dead_regno, reg_dead_endregno): Now unsigned.
7128 (remove_death): Arg REGNO now unsigned.
7129 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
7130 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
7132 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
7133 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
7134 (struct cse_reg_info): REGNO now unsigned.
7135 (cached_regno): Now unsigned.
7136 (REGNO_QTY_VALID_P): Add cast.
7137 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
7138 (remove_invalid_regs): Likewise.
7139 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
7140 as are variables END and I.
7141 (get_cse_reg_info, insert): Likewise.
7142 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
7143 (canon_hash): Likewise.
7144 (insert_regs, lookup_for_remove): REGNO now unsigned.
7145 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
7147 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
7148 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
7149 * emit-rtl.c (subreg_realpart_p): Add cast.
7150 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
7151 (operand_subword_force): Arg I is now unsigned.
7152 * except.c (eh_regs): Variable I is now unsigned.
7153 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
7154 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
7155 length is unsigned HOST_WIDE_INT; likewise for internal variables.
7156 (store_split_bit_field, extract_fixed_bit_field): Likewise.
7157 (extract_split_bit_field, store_bit_field, extract_bit_field):
7159 * expr.c (store_constructor_fields, store_constructor, store_field):
7160 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
7161 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
7162 (do_jump): Likewise.
7163 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
7164 MAX_SIZE is now unsigned.
7165 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
7166 (emit_group_store): Likewise.
7167 (emit_move_insn): I now unsigned.
7168 (store_constructor): Use host_integerp, tree_low_cst, and
7170 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
7171 Rework all calculations to use trees and new fields.
7172 * expr.h (promoted_input_arg): Regno now unsigned.
7173 (store_bit_field, extract_bit_field): Adjust types of pos and size.
7174 (mark_seen_cases): Arg is HOST_WIDE_INT.
7175 * flow.c (verify_wide_reg_1): REGNO now unsigned.
7176 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
7177 precisions and alignments are unsigned.
7178 (optimize_bit_field_compare, fold_truthop): Likewise.
7179 (int_const_binop): Adjust threshold for size_int_type_wide call.
7180 (fold_convert): Likewise.
7181 (size_int_type_wide): Make table larger and fix thinko that only
7182 had half of table used.
7183 (all_ones_mask_p, fold): Precisions are unsigned.
7184 * function.c (put_reg_info_stack): REGNO is unsigned.
7185 (instantiate_decl): Size is HOST_WIDE_INT.
7186 (instantiate_virtual_regs): I is unsigned.
7187 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
7188 (promoted_input_arg): REGNO is unsigned.
7189 * function.h (struct function): x_max_parm_reg is now unsigned.
7190 * gcse.c (max_gcse_regno): Now unsigned.
7191 (struct null_pointer_info): min_reg and max_reg now unsigned.
7192 (lookup_set, next_set): REGNO arg now unsigned.
7193 (compute_hash_table): REGNO and I now unsigned.
7194 (handle_avail_expr): regnum_for_replacing now unsigned.
7195 (cprop_insn): REGNO now unsigned.
7196 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
7197 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
7198 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
7199 * hard-reg-set.h (reg_class_size): Now unsigned.
7200 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
7201 * jump.c (mark_modified_reg): I now unsigned; add cast.
7202 (rtx_equal_for_thread_p): Add cast.
7203 * loop.c (max_reg_before_loop): Now unsigned.
7204 (struct_movable): REGNO now unsigned.
7205 (try_copy_prop): REGNO arg unsigned.
7206 (regs_match_p): XN and YN now unsigned.
7207 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
7208 (strength_reduce): Likewise; NREGS also unsigned.
7209 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
7210 * loop.h (struct iv_class): REGNO now unsigned.
7211 (max_reg_before_loop, first_increment_giv, last_increment_giv):
7213 * machmode.h (mode_size, mode_unit_size): Now unsigned.
7214 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
7215 * optabs.c (expand_binop): I and NWORDS now unsigned.
7216 (expand_unop): I now unsigned.
7217 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
7218 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
7219 * real.c (significand_size): Now returns unsigned.
7220 * real.h (significand_size): Likewise.
7221 * regclass.c (reg_class_size): Now unsigned.
7222 (choose_hard_reg_mode): Both operands now unsigned.
7223 (record_reg_classes): REGNO and NR now unsigned.
7224 (reg_scan): NREGS now unsigned.
7225 (reg_scan_update): old_max_regno now unsigned.
7226 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
7227 * reload.c (find_valid_class): BEST_SIZE now unsigned.
7228 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
7229 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
7230 Likewise for variable R.
7231 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
7232 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
7233 (find_equiv_reg): Add casts.
7234 (regno_clobbered_p): Arg REGNO now unsigned.
7235 * reload.h (struct reload): NREGS now unsigned.
7236 (refers_to_regno_for_reload_p): Regno args are unsigned.
7237 (regno_clobbered_p): Likewise.
7238 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
7239 (compute_use_by_pseudos): REGNO now unsigned.
7240 (find_reg): I and J now unsigned, new variable K, and change loop
7241 variables accordingly; THIS_NREGS now unsigned.
7242 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
7243 (spill_hard_reg): REGNO arg now unsigned; add casts.
7244 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
7245 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
7246 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
7247 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
7248 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
7249 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
7250 (emit_reload_insns): REGNO now unsigned.
7251 (reload_cse_move2add): Add cast.
7252 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
7254 * resource.c (mark_referenced_resources, mark_set_resources): New
7255 variable R; REGNO and LAST_REGNO now unsigned.
7256 (mark_target_live_regs): J and REGNO now unsigned.
7257 * rtl.c (mode_size, mode_unit_size): Now unsigned.
7258 * rtl.h (union rtunion_def): New field rtuint.
7259 (XCUINT): New macro.
7260 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
7261 (operand_subword, operand_subword_force): Word number is unsigned.
7262 (choose_hard_reg_mode): Operands are unsigned.
7263 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
7264 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
7265 (regno_use_in, combine_instructions, remove_death): Likewise.
7266 (reg_scan, reg_scan_update): Likewise.
7267 (extended_count): Return is unsigned.
7268 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
7269 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
7270 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
7271 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
7272 (reg_reg_last_1): FIRS and LAST now unsigned.
7273 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
7274 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
7276 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
7277 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
7278 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
7279 (replace_regs): Arg NREGS now unsigned.
7280 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
7281 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
7282 (simplify_binary_operation): Likewise.
7283 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
7284 THIS_LAST now unsigned.
7285 (cselib_record_set): Add cast.
7286 * ssa.c (ssa_max_reg_num): Now unsigned.
7287 (rename_block): REGNO now unsigned.
7288 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
7290 (all_cases_count): Just return -1 not -2.
7291 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
7292 Rework tests to use trees whenever possible.
7293 Use host_integerp and tree_low_cst.
7294 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
7295 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
7296 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
7297 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
7298 (smallest_mode_for_size): Likewise.
7299 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
7300 KNOWN_ALIGN is now an alignment, so simplify code.
7301 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
7302 (start_record_layout): Renamed from new_record_layout_info.
7303 Update to new fields.
7304 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
7306 (place_union_field): Renamed from layout_union_field.
7307 Update to use new fields in rli.
7308 (place_field): Renamed from layout_field.
7309 Major rewrite to use new fields in rli; pass alignment to layout_decl.
7310 (finalize_record_size): Rework to use new fields in rli and handle
7312 (compute_record_mode): Rework to simplify and to use new DECL fields.
7313 (finalize_type_size): Make rounding more consistent.
7314 (finish_union_layout): Deleted.
7315 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
7316 (layout_type, case RECORD_TYPE): Call new function names.
7317 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
7318 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
7319 (get_best_mode): UNIT is now unsigned; remove casts.
7320 * tree.c (bit_position): Compute from new fields.
7321 (byte_position, int_byte_position): New functions.
7322 (print_type_hash_statistics): Cast to remove warning.
7323 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
7324 (build_index_type): Likewise; make subtype of sizetype.
7325 (build_index_2_type): Pass sizetype to build_range_type.
7326 (build_common_tree_nodes): Use size_int and bitsize_int to
7327 initialize nodes; add bitsize_{zero,one,unit}_node.
7328 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
7329 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
7330 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
7331 (DECL_FIELD_BITPOS): Deleted.
7332 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
7333 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
7334 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
7335 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
7336 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
7337 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
7338 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
7339 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
7340 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
7341 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
7342 (DECL_ALIGN): Adjust to new field in union.
7343 (DECL_OFFSET_ALIGN): New field.
7344 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
7345 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
7346 (union tree_decl): Add struct for both aligns.
7347 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
7348 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
7349 (struct record_layout_info): Rework fields to have offset
7350 alignment and byte and bit position.
7351 (start_record_layout, place_field): Renamed from old names.
7352 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
7353 (byte_position, int_byte_position): Likewise.
7354 (get_inner_reference): Change types of position and length.
7355 * unroll.c (unroll_loop): New variable R; use for some loops.
7356 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
7357 (calculate_giv_inc): Arg REGNO now unsigned.
7358 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
7359 * varasm.c (assemble_variable): Clean up handling of size using
7360 host_integerp and tree_low_cst.
7361 (decode_addr_const): Use byte, not bit, position.
7362 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
7363 use tree_low_cst and int_bit_position.
7364 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
7366 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
7368 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
7369 (reorder_block_def): New members eff_head and eff_end.
7370 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
7371 (verify_insn_chain): New function.
7372 (skip_insns_between_block): Add code to skip deleted insns.
7373 Check for note before using.
7374 (chain_reorder_blocks): Replace calls to skip_insns_between_block
7375 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
7376 Check for note before using.
7377 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
7378 (fixup_reorder_chain): Restructure, clean up, defect removal.
7379 (reorder_basic_blocks): Remove last_insn and references to it.
7380 Moved insn chain verification code into a new function (see above).
7381 Delete defective code that sets last insn.
7382 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
7385 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7387 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
7389 2000-03-24 Richard Henderson <rth@cygnus.com>
7391 * tree.c (lang_safe_for_unsave): Remove.
7392 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
7393 allowing for two levels of unsafeness. Remove lang hook.
7394 * tree.h: Update declarations.
7395 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
7396 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
7397 Always fail sibcalls when there are pending cleanups.
7399 2000-03-24 Geoff Keating <geoffk@cygnus.com>
7401 * flow.c (propagate_block): When we delete an ADDR_VEC,
7402 also delete the BARRIER following it if there is one.
7404 2000-03-24 Richard Henderson <rth@cygnus.com>
7406 * builtins.c (expand_builtin_bzero): Convert `length' argument
7409 2000-03-24 Jakub Jelinek <jakub@redhat.com>
7411 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
7412 comparison if regno's are equal.
7413 * calls.c (initialize_argument_informat): Add ecf_flags argument.
7414 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
7415 (expand_call): Update caller.
7416 Avoid making a sibling call if argument size of the callee is larger
7417 than argument size of the caller.
7418 Call hard_function_value with outgoing set if in sibcall pass.
7419 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
7421 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
7422 Change LEAF_REGISTERS from an array initializer to actual array
7423 identifier. Move static global variable into the function.
7424 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
7425 sequences for leaf functions.
7426 * global.c (global_alloc): Likewise.
7427 * tm.texi (LEAF_REGISTERS): Update documentation.
7429 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
7430 TARGET_FLAT leaf disabling hack.
7431 (LEAF_REGISTERS): Changed from an array initializer to actual array
7432 identifier to avoid duplication and remove the above hack.
7433 (FUNCTION_OK_FOR_SIBCALL): Define.
7434 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
7435 always like call attribute.
7436 (eligible_for_sibcall_delay): New attribute.
7437 (sibcall): New delay type.
7438 (sibcall, sibcall_value, sibcall_epilogue): New expands.
7439 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
7440 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
7441 * config/sparc/sparc.c (sparc_leaf_regs): New array.
7442 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
7444 (output_function_epilogue): Move part of the code into
7445 output_restore_regs.
7446 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
7448 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
7451 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
7452 until infrastructure is finished.
7454 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
7456 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
7457 (save_parm_insns): Not here.
7459 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7461 * builtins.c (expand_builtin_bzero): New function.
7462 (expand_builtin): Handle bzero.
7464 * builtins.def: Add BUILT_IN_BZERO.
7466 * c-common.c (c_common_nodes_and_builtins): Provide builtin
7467 prototype & function for bzero.
7469 2000-03-23 Michael Meissner <meissner@redhat.com>
7471 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
7472 change adding TARGET_FP to the TF floating point insns, except for
7473 trunctfsf2, which generates direct calls to truncdfsf2.
7475 2000-03-23 Geoff Keating <geoffk@cygnus.com>
7477 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
7478 try to protect against middle-end changes that break binary
7480 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
7482 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7484 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
7486 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7488 * calls.c (expand_call): If TARGET is passed by reference and
7489 is readonly, write a CLOBBER.
7491 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7493 * builtins.c (expand_builtin): Handle bcmp.
7495 * builtins.def: Add BUILT_IN_BCMP.
7497 * c-common.c (c_common_nodes_and_builtins): Provide builtin
7498 prototype & function for bcmp.
7500 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
7502 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
7503 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
7504 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
7506 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
7508 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
7509 alternative when using -fp64 -gp32.
7511 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
7513 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
7514 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
7515 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
7517 * frame.h (frame_state): Revert last change.
7518 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
7519 * libgcc2.c (throw_helper): Revert last change.
7521 2000-03-22 Richard Henderson <rth@cygnus.com>
7523 * stmt.c (expand_asm_operands): Don't promote the temporary.
7525 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
7527 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
7528 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
7529 c_get_alias_set): Likewise.
7530 * c-decl.c (duplicate_decls): Likewise.
7531 * c-typeck.c (default_conversion,build_unary_op): Likewise.
7532 * calls.c (initialize_argument_information): Likewise.
7533 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
7535 * dwarfout.c (decl_class_context,output_type): Likewise.
7536 * expr.c (get_inner_reference): Likewise.
7537 * fold-const.c (simple_operand_p,fold): Likewise.
7538 * function.c (aggregate_value_p): Likewise.
7539 * stmt.c (expand_asm_operands): Likewise.
7540 * varasm.c (named_section): Likewise.
7542 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
7544 Implement dwarf2 exception handling for the ARM.
7545 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
7546 (DWARF_FRAME_RETURN_COLUMN): Define.
7547 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
7548 REG_FRAME_RELATED_EXPR note.
7549 (emit_sfm): Likewise.
7550 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
7551 * dwarf2out.c (reg_save): Handle saving a register to itself.
7552 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
7553 * except.c (eh_regs): Don't use the static chain reg if it's
7555 * frame.h (frame_state): Add cfa_saved field.
7556 * frame.c (execute_cfa_insn): Set it.
7557 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
7559 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
7561 (instantiate_virtual_regs): Adjust.
7563 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
7564 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
7565 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
7567 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
7568 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
7570 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7572 * builtins.def: New file.
7574 * Makefile.in (TREE_H): Depend on builtins.def.
7576 * builtins.c (built_in_names): Use builtins.def.
7578 * tree.h (built_in_function): Likewise.
7580 2000-03-22 Mark Mitchell <mark@codesourcery.com>
7582 * tree.c (size_in_bytes): Return size_zero_node, not
7585 2000-03-22 Geoff Keating <geoffk@cygnus.com>
7587 * config/fp-bit.c (pack_d): Correct the case when a denormal
7588 is rounded up and stops being denormal.
7590 2000-03-21 Richard Henderson <rth@cygnus.com>
7592 * config/alpha/alpha.c (function_arg): Check for void_type_node
7593 before using MUST_PASS_IN_STACK.
7595 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
7597 * regmove.c (combine_stack_adjustments_for_block): Check that
7598 the stack pointer is a valid memory address.
7600 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
7602 * calls.c: re-install Mar 16 emit_library_call merge.
7604 2000-03-21 Jakub Jelinek <jakub@redhat.com>
7606 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
7607 we cannot be sure that if reload_completed base register will
7608 be properly aligned.
7610 2000-03-21 Richard Henderson <rth@cygnus.com>
7612 * flow.c (delete_block): Fix typo last change.
7614 2000-03-21 Mark Mitchell <mark@codesourcery.com>
7616 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
7617 not COMPLETE_TYPE_P, to check the type of the expression.
7619 2000-03-21 Michael Meissner <meissner@redhat.com>
7621 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
7622 all floating point insns that just tested the macro
7623 TARGET_HAS_XFLOATING_LIBS.
7624 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
7625 used to only use the gprs.
7627 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
7629 * tree.h (COMPLETE_TYPE_P): New macro.
7630 (COMPLETE_OR_VOID_TYPE_P): New macro.
7631 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
7632 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
7633 * c-aux-info.c (gen_type): Use them.
7634 * c-common.c (c_expand_expr_stmt): Likewise.
7635 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
7636 grokdeclarator, grokparms, finish_struct, start_function,
7637 store_parm_decls, combine_parm_decls): Likewise.
7638 * c-parse.y (cast_expr): Likewise.
7639 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
7640 c_size_in_bytes, c_alignof, build_component_ref,
7641 build_indirect_ref, build_array_ref, convert_arguments,
7642 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
7643 * calls.c (initialize_argument_information): Likewise.
7644 * convert.c (convert_to_integer): Likewise.
7645 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
7646 * dwarfout.c (location_or_const_value_attribute,
7647 output_enumeration_type_die, output_structure_type_die,
7648 output_union_type_die, output_type): Likewise.
7649 * expr.c (safe_from_p, expand_expr): Likewise.
7650 * function.c (assign_parms): Likewise.
7651 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
7652 * tree.c (build_array_type, build_function_type,
7653 build_method_type, build_offset_type, build_complex_type): Likewise.
7654 * c-parse.c, c-parse.h: Regenerated.
7656 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7658 * config/c4x/rtems.h: Include config/rtems.h.
7660 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
7662 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
7663 decl is a FUNCTION_DECL
7665 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
7667 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
7668 function uses output registers. Don't save RP for leaf functions.
7669 Do save RP even if no epilogue.
7670 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
7671 (CALL_USED_REGISTERS): Unmark in registers.
7672 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
7675 2000-03-20 Geoff Keating <geoffk@cygnus.com>
7677 * config/rs6000/rs6000.md (bunordered): New expander.
7678 (bordered): New expander.
7679 (buneq): New expander.
7680 (bunge): New expander.
7681 (bungt): New expander.
7682 (bunle): New expander.
7683 (bunlt): New expander.
7684 (bltgt): New expander.
7686 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
7687 (ccr_bit_negated_p): New function.
7688 (print_operand): For %C, generate appropriate cror for UNEQ,
7689 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
7691 2000-03-20 Andreas Jaeger <aj@suse.de>
7693 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
7696 * tree.h (safe_for_unsave): Prototype.
7698 2000-03-20 Richard Henderson <rth@cygnus.com>
7700 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
7701 (combine_stack_adjustments_for_block): Don't allow sp references
7702 in the side of a set we're not fixing up.
7703 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
7704 after life_analysis.
7706 2000-03-20 Richard Henderson <rth@cygnus.com>
7708 * calls.c (expand_call): Don't bother generating tail call
7709 sequences if there are pending cleanups. Use
7710 expand_start_target_temps/expand_end_target_temps to elide
7711 cleanups created during sibcall expansion.
7713 2000-03-20 Geoff Keating <geoffk@cygnus.com>
7715 * configure.in: Set $IFS to a value if it doesn't already have one
7716 in the --enable-checking handling.
7717 * configure: Regenerate.
7719 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7721 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
7722 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
7725 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
7727 * jump.c (delete_noop_moves): Remove code attempting to
7728 combine stack adjustments.
7730 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7732 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
7733 * except.c (emit_cleanup_handler): Use them.
7734 (expand_end_all_catch): Likewise.
7735 * function.c (fixup_var_refs): Likewise.
7736 (expand_function_end): Clear catch_clauses_last.
7737 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
7738 * except.h (struct eh_status): New field x_catch_clauses_last.
7739 (catch_clauses_last): New define.
7741 * Makefile.in (tree.o): Depend on HASHTAB_H.
7742 * tree.c: Include hashtab.h.
7743 (struct type_hash): Remove next field.
7744 (TYPE_HASH_SIZE): Remove.
7745 (TYPE_HASH_INITIAL_SIZE): New define.
7746 (type_hash_table): Change type to htab_t.
7747 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
7748 mark_hash_entry): New functions.
7749 (init_obstacks): Allocate type hash.
7750 (type_hash_lookup): Use htab functions.
7751 (type_hash_add, mark_type_hash): Likewise.
7752 (dump_tree_statistics): Call print_type_hash_statistics.
7754 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7756 * rs6000/t-aix41: New file.
7758 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
7760 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
7762 * tm.texi (Driver): Fix typos and tweak entry for
7764 Move misplaced STRUCT_FORCE_BLK entry ...
7765 (Storage Layout): ... to here.
7766 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
7768 2000-03-19 Richard Henderson <rth@cygnus.com>
7770 * flow.c (delete_block): Delete the addr_vec along with the block.
7771 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
7774 * fold-const.c (extract_muldiv): Apply type check for defined
7775 overflow to multiply as well as divide.
7777 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
7779 2000-03-18 Mark Mitchell <mark@codesourcery.com>
7781 * emit-rtl.c (remove_unncessary_notes): Check that all
7782 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
7783 associated NOTE_BLOCK.
7784 * function.h (identify_blocks): Update comments.
7785 (reorder_blocks): Declare.
7786 * function.c (identify_blocks): Don't take paramters.
7787 (reorder_blocks): Don't take parameters.
7788 * loop.h (find_loop_tree_blocks): Remove.
7789 (unroll_block_trees): Likewise.
7790 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
7791 reorder_blocks instead of unroll_block_trees.h
7792 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
7793 * stmt.c (find_loop_tree_blocks): Remove.
7794 (unroll_block_trees): Likewise.
7795 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
7796 in whole-function mode.
7797 * tree.h (reorder_blocks): Remove declaration.
7799 * expr.c: Include intl.h.
7800 * Makefile.in (expr.o): Depend on intl.h.
7802 2000-03-18 Richard Henderson <rth@cygnus.com>
7804 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
7806 2000-03-18 Mark Mitchell <mark@codesourcery.com>
7808 * tree.h (tree_index): Remove enumerals for integer types.
7809 (integer_type_kind): New type.
7810 (integer_types): New variable.
7811 (char_type_node): Adjust.
7812 (signed_char_type_node): Likewise.
7813 (unsigned_char_type_node): Likewise.
7814 (short_integer_type_node): Likewise.
7815 (short_unsigned_type_node): Likewise.
7816 (integer_type_node): Likewise.
7817 (unsigned_type_node): Likewise.
7818 (long_integer_type_node): Likewise.
7819 (long_unsigned_type_node): Likewise.
7820 (long_long_integer_type_node): Likewise.
7821 (long_long_unsigned_type_node): Likewise.
7822 * tree.c (integer_types): New variable.
7823 (init_obstacks): Register it as a root.
7825 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
7827 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
7828 NEXT_INSN. Update last insn in chain.
7830 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
7832 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
7833 with TYPE_DECL_SUPPRESS_DEBUG set.
7835 2000-03-18 Richard Henderson <rth@cygnus.com>
7837 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
7839 2000-03-18 Richard Henderson <rth@cygnus.com>
7841 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
7842 care for HALF_PIC_P.
7843 (expander_call_insn_operand): Remove.
7844 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
7845 * i386.h (PREDICATE_CODES): Update.
7846 * i386.md (all call expanders): Remove predicates, remove special
7847 handling for half-pic.
7848 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
7849 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
7850 (sibcall_epilogue): New.
7852 2000-03-17 Richard Henderson <rth@cygnus.com>
7854 * rtlanal.c (single_set): Reject if the parallel has anything
7855 except SET or USE or CLOBBER.
7857 2000-03-17 Jeff Law <law@cygnus.com>
7858 Richard Henderson <rth@cygnus.com>
7860 * Makefile.in (OBJS): Add sibcall.o.
7862 * sibcall.c: New file.
7863 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
7864 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
7865 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
7866 Emit sibcall patterns when requested. Update all callers.
7867 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
7868 elimination seems feasable.
7869 * final.c (leaf_function_p): Sibling calls don't discount being
7871 * flow.c (HAVE_sibcall_epilogue): Provide default.
7872 (find_basic_blocks_1): Sibling calls don't throw.
7873 (make_edges): Make edge from sibling call to EXIT.
7874 (propagate_block): Don't remove sibcall_epilogue insns.
7875 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
7876 (sibcall_epilogue): New.
7877 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
7878 (identify_blocks_1): Likewise. Break out from ...
7879 (identify_blocks): ... here.
7880 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
7881 (reorder_blocks): ... here.
7882 (init_function_for_compilation): Zap prologue/epilogue as varrays.
7883 (record_insns): Extend a varray instead of mallocing new memory.
7884 (contains): Read a varray not array of ints.
7885 (sibcall_epilogue_contains): New.
7886 (thread_prologue_and_epilogue_insns): Emit and record
7887 sibcall_epilogue patterns.
7888 (init_function_once): Allocate prologue/epilogue varrays.
7889 * genflags.c (gen_insn): Treat sibcall patterns as calls.
7890 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
7892 (save_for_inline_nocopy): ... here.
7893 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
7895 (expand_inline_function): ... here.
7896 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
7897 (subst_constants): Handle 'n' formats.
7898 * jump.c (jump_optimize_minimal): New.
7899 (jump_optimize_1): New arg `minimal'; update callers. Elide most
7900 optimizations if it's set.
7901 * rtl.c (copy_rtx): Do copy jump & call for insns.
7902 * rtl.h (struct rtx_def): Document use of jump and call for insns.
7903 (SIBLING_CALL_P): New.
7904 (sibcall_use_t): New.
7905 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
7906 Invoke optimize_sibling_and_tail_recursive_calls.
7907 * tree.c (lang_safe_for_unsave): New.
7908 (safe_for_unsave): New.
7909 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
7911 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
7912 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
7913 (*sibcall_osf_1, *sibcall_value_osf_1): New.
7915 2000-03-17 Mark Mitchell <mark@codesourcery.com>
7917 * objc/objc-act.c (encode_method_prototype): Pass types, not
7918 PARM_DECLs, to int_size_in_bytes.
7920 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
7922 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
7924 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
7925 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
7927 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7929 * Clean up usages of TREE_INT_CST_LOW.
7930 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
7931 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
7933 * c-tree.h (min_precision): Move declaration to here.
7934 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
7935 (build_unary_op, add_pending_init): Use bit_position.
7936 (pending_init_member, process_init_element): Likewise.
7937 (really_start_incremental_init, push_init_level, pop_init_level):
7938 Don't make copies of nodes or modify them in place, use consistent
7939 types when tracking positions, and use tree routines computations.
7940 (set_init_index, output_init_element): Likewise.
7941 (output_pending_init_elements, process_init_element): Likewise.
7942 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
7943 tree_low_cst and int_bit_position; also minor cleanup.
7944 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
7945 (print_cst_octal): Precision is unsigned.
7946 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
7947 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
7948 (simple_type_align_in_bits): Result is unsigned int.
7949 Use tree_int_low_cst and host_integerp.
7950 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
7951 (field_byte_offset): Result is HOST_WIDE_INT.
7952 Change types of internal variables so alignments are unsigned int,
7953 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
7954 Use host_integerp, tree_low_cst, and int_bit_position.
7955 (add_bit_offset_attribute): Likewise.
7956 (add_data_member_location_attribute): Use tree_cst_low.
7957 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
7958 (add_bit_size_attribute): Use tree_low_cst.
7959 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
7960 * dwarfout.c: Similar changes to dwarf2out.c.
7961 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
7962 * genoutput.c (n_occurences): Return -1 for null string.
7963 (strip_whitespace): Accept null string and make into function.
7964 (scan_operands): Reflect above changes.
7965 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
7966 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
7967 * ssa.c (rename_registers): Add missing cast of arg to bzero.
7968 * tree.c (int_size_in_bytes): Check for too big to represent.
7969 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
7970 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
7972 (min_precision): Delete from here.
7973 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
7974 and int_bit_position.
7975 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
7976 (encode_method_def): Likewise.
7977 (build_ivar_list_initializer): Use int_bit_position.
7978 (generate_shared_structures): Convert size.
7979 (encode_type, encode_complete_bitfield): Use integer_zerop.
7980 (encode_bitfield): Use tree_low_cst and int_bit_position.
7982 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7984 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
7986 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7988 * call.c (special_function_p): It is only malloc if it returns
7991 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7993 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
7994 (C33_FLAG, TARGET_C3X): Add macros.
7995 (TARGET_SWITCHES): Add -m33 option.
7996 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
7998 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8000 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
8001 (PARALLEL_PACK_FLAG): Delete.
8002 (TARGET_SWITCHES): Update.
8003 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
8005 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8007 * fold-const.c (fold): Fix a few cases when the returned result
8008 is not of the same type as the input.
8010 2000-03-16 Nick Clifton <nickc@cygnus.com>
8012 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
8015 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8017 * libgcc2.h: Move prototypes above macros with the same name.
8018 Wrap some function prototypes in the conditional which indicates
8019 whether they are supported, i.e. "BITS_PER_UNIT == 8".
8021 2000-03-16 Richard Henderson <rth@cygnus.com>
8023 * calls.c: Revert last two changes.
8025 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
8027 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
8028 has exponent 0 is a zero.
8030 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
8031 HASH may already be nonzero. Add code/mode into hash value
8032 immediately after repeat label.
8033 (cselib_lookup): Don't leave the hash table in an inconsistent
8034 state before a hash lookup operation.
8036 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
8038 * i386.md (all HI and QI mode non-move patterns): Conditionize
8039 by TARGET_[HQ]IMODE_MATH.
8040 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
8041 x86_promote_qi_regs): Declare.
8042 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
8043 TARGET_PROMOTE_QI_REGS): New macros.
8044 (PROMOTE_MODE): New macro.
8045 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
8046 x86_promote_qi_regs): New global variables.
8048 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
8050 * calls.c (emit_library_call_value_1): Break out from ...; handle
8051 VOIDmode function calls too.
8052 (emit_library_call_value): ... here.
8053 (emit_library_call): Implement by calling emit_library_call_value_1.
8055 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
8057 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
8058 Update arg_space_so_far on stack adjustments.
8059 (emit_library_call, emit_library_call_value): Likewise; take into
8060 account arg_space_so_far and pending_stack_adjust when calculcating
8063 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
8065 * flow.c: Move all basic block reordering code into its own file.
8066 (create_basic_block): Externalize.
8067 * bb-reorder.c: New file. Copy all basic block reordering code from
8068 flow.c to this file.
8069 (reorder_basic_blocks): Fix fencepost error in for-loop.
8070 (reorder_basic_blocks): Remove braces from single statement for-loops.
8071 * basic-block.h: Add declaration for create_basic_block.
8072 * Makefile.in: Add rules for bb-reorder.o.
8074 2000-03-16 Neil Booth <NeilB@earthling.net>
8076 * cppinit.c (handle_option): Implement #unassert directive
8077 as -A- command line option.
8078 (print_help): Update.
8079 * cpptexi.c: Update.
8081 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
8083 * md.texi (Standard Names): Document `jump'.
8085 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
8087 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
8090 2000-03-15 Geoff Keating <geoffk@cygnus.com>
8092 Merge changes from newppc-branch onto trunk.
8094 2000-03-15 Geoff Keating <geoffk@cygnus.com>
8096 * rs6000.c (toc_hash_table): Update for new hash table functions.
8097 (toc_hash_function): Likewise.
8098 (toc_hash_eq): Likewise.
8099 (toc_hash_mark_entry): Likewise.
8100 (toc_hash_mark_table): Likewise.
8101 (output_toc): Likewise.
8102 (rs6000_add_gc_roots): Likewise.
8104 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8106 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
8107 (AR_FLAGS_FOR_TARGET): here. New macro.
8109 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
8111 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
8112 fpmem_operand) Delete.
8114 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
8115 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
8116 (rs6000_save_machine_status, rs6000_restore_machine_status,
8117 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
8118 references to above variables.
8119 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
8120 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
8121 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
8122 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
8123 (XER_REGNO_P, XER_REGNO): New.
8124 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
8125 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
8126 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
8128 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
8129 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
8130 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
8132 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8134 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
8135 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
8136 * rs6000.h: from here.
8138 * rs6000-protos.h (rs6000_select_section): Provide prototype.
8139 (rs6000_select_rtx_section): Likewise.
8140 (rs6000_encode_section_info): Likewise.
8141 (sdata_section): Likewise.
8142 (sdata2_section): Likewise.
8143 (sbss_section): Likewise.
8144 * sysv4.h (rs6000_select_section): Delete prototype.
8145 (rs6000_select_rtx_section): Likewise.
8146 (rs6000_encode_section_info): Likewise.
8147 (sdata_section): Likewise.
8148 (sdata2_section): Likewise.
8149 (sbss_section): Likewise.
8150 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
8152 * sysv4.h: Delete various unnecessary #undef's and put a comment
8153 on the remaining ones.
8154 Change various comments according to coding standard.
8156 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
8158 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
8159 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
8160 (CR0_REGNO_P) Remove.
8161 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
8162 setup_incoming_varargs, mtcrf_operation, print_operand,
8163 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
8164 Use the above macros.
8166 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
8168 * config/rs6000/rs6000.md: Added a new alternative for each
8169 pattern that had a 'x' alternative but no 'y' alternative.
8170 Added a new split for each of the above patterns.
8172 2000-02-18 Geoff Keating <geoffk@cygnus.com>
8174 * aix41.h (ASM_CPU_SPEC): Delete.
8175 (CPP_CPU_SPEC): Delete.
8177 * aix.h (RS6000_OUTPUT_BASENAME): Define.
8178 (ASM_OUTPUT_LABEL): Define.
8179 (ASM_GLOBALIZE_LABEL): Define.
8180 (STRIP_NAME_ENCODING): Define.
8181 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
8182 (STRIP_NAME_ENCODING): Don't define.
8183 (ASM_OUTPUT_LABEL): Don't define.
8184 (ASM_GLOBALIZE_LABEL): Don't define.
8185 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
8186 names, and ASM_OUTPUT_LABEL to output labels, rather than
8188 (ASM_OUTPUT_LABEL): Define.
8189 (ASM_OUTPUT_INT): Use assemble_name.
8190 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
8191 (STRIP_NAME_ENCODING): Don't undefine first.
8192 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
8194 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
8195 specified with 'asm' even with -fleading-underscore.
8196 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
8197 (output_epilog): Likewise.
8198 (output_toc): Likewise.
8199 * tramp.asm: Handle -fleading-underscore correctly.
8201 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
8203 (nonlocal_goto_receiver): Delete.
8204 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
8206 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
8207 (SET_ASM_OP): Define.
8208 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
8210 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
8213 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
8214 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
8216 * rs6000.h: Add 'u' to more constants.
8218 2000-02-18 David Edelsohn <edelsohn@gnu.org>
8220 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
8222 2000-02-15 David Edelsohn <edelsohn@gnu.org>
8224 * rs6000.c (reg_or_u_cint_operand): New function.
8225 (logical_operand): Handle 64-bit hosts.
8226 (logical_u_operand): New function.
8227 (non_logical_cint_operand): Handle 64-bit hosts.
8228 (non_logical_u_cint_operand): New function.
8229 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
8230 (PREDICATE_CODES): Define new functions.
8231 * rs6000-protos.h: Declare new functions.
8232 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
8233 (movdi_64): Bracket code intended for 64-bit hosts. Create
8234 CONST_DOUBLE for 32-bit values.
8235 (scc insns): Generate DImode compares.
8236 (mfcr insns): Create DImode versions.
8237 (sge matchers): New patterns.
8239 2000-02-15 Gabriel Paubert <paubert@iram.es>
8241 * rs6000.md: Correct instructions length attributes and
8242 constraints on unsigned compare instructions.
8243 (*ne0): Disable for PowerPC64.
8245 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8247 * rs6000.c (output_function_profiler): Use .long for a 32-bit
8248 quantity, fix profile1.C test failure under -fPIC.
8250 * rs6000.c: Add 'u' to many constants to suppress warnings.
8251 (constant_pool_expr_1): Make static.
8252 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
8253 * rs6000.h: Add 'u' to many constants to suppress warnings.
8255 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
8256 for the start of the TOC, instead of LCTOC..0.
8257 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
8259 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
8260 (load_toc_aix_di): Use LCTOC..1.
8262 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
8263 * rs6000.c (rs6000_legitimize_address): New function from
8264 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
8265 symbols in the constant pool that really are TOC references.
8266 (print_operand_address): For ELF, write TOC offsets under
8267 -fPIC as subtractions in the insn.
8268 (output_toc): For ELF, define symbols in TOC as normal labels,
8270 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
8271 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
8272 (create_TOC_reference): Prototype only when RTX_CODE is defined.
8273 * rs6000.md (movsi): Only use create_TOC_reference on
8274 symbols in the constant pool that really are TOC references.
8276 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
8277 * rs6000.c (rs6000_reorg): Delete.
8278 * rs6000-protos.h (rs6000_reorg): Delete.
8280 2000-02-09 Geoff Keating <geoffk@cygnus.com>
8282 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
8284 * aix.h (SETUP_FRAME_ADDRESSES): Define.
8285 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
8286 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
8287 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
8288 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
8289 rs6000_aix_emit_builtin_unwind_init.
8290 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
8291 rs6000_emit_eh_toc_restore on AIX.
8292 (return_eh_si): Use r2.
8293 (return_eh_di): Use r2.
8295 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
8296 since we're breaking binary compatibility anyway.
8298 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8300 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
8301 constant_pool_expr_p): Declare them.
8302 (constant_pool_expr_p): Declare it.
8303 * config/rs6000/rs6000.c (toc_label_name): Define.
8304 (rs6000_override_options): Set toc_label_name.
8305 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
8306 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
8307 uses_TOC): New functions.
8308 (print_operand): Delete old '*' case.
8309 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
8310 and strip off rtl for TOC before calling output_addr_const.
8311 (rs6000_emit_load_toc_table): Use toc_label_name.
8312 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
8314 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
8315 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
8316 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
8317 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
8318 into explicit TOC_REGISTER offsets.
8319 (TOC_REGISTER): New macro.
8320 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
8321 TARGET_TOC to reference TOC_REGISTER.
8322 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
8323 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
8324 uses_TOC before emitting label references.
8326 2000-02-05 Geoff Keating <geoffk@cygnus.com>
8328 * rs6000.md (stack_tie): Fix warning.
8330 * eabi-ctors.c: Use 'asm' names for the start/end variables,
8331 to handle -fleading-underscore.
8332 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
8333 (USER_LABEL_PREFIX): New macro.
8334 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
8335 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
8336 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
8337 call-linux can use the same multilibs.
8338 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
8339 and call-linux multilibs. Do multilib with -fleading-underscore.
8340 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
8341 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
8344 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
8345 have MASK_SOFT_FLOAT set.
8346 (CPP_FLOAT_DEFAULT_SPEC): New macro.
8347 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
8348 CPP_FLOAT_DEFAULT_SPEC.
8350 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
8351 * rs6000.md: Whitespace change.
8352 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
8353 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
8355 2000-02-05 Geoff Keating <geoffk@cygnus.com>
8357 * rs6000.md (eh_epilogue): New expander.
8358 (eh_reg_restore): New expand/split/insn combination.
8359 (return_eh_si): New insn.
8360 (return_eh_di): New insn.
8362 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
8363 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
8364 * eabi-ctors.c (__do_global_ctors): Register this object's
8365 frame. Clean up. Call atexit() after the constructors.
8366 (__do_global_dtors): Deregister this object's frame. Clean up.
8367 Allow for recursive calls to exit().
8368 * rs6000.c (fixuplabelno): New variable.
8369 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
8370 TARGET_RELOCATABLE, it slows down exec() under linux.
8371 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
8373 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
8374 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
8375 (ASM_OUTPUT_DWARF_DELTA2): New macro.
8376 (ASM_OUTPUT_DWARF_DELTA4): New macro.
8377 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
8378 (ASM_OUTPUT_DWARF_ADDR): New macro.
8379 (ASM_OUTPUT_DWARF_DATA4): New macro.
8380 (ASM_OUTPUT_DWARF_DATA2): New macro.
8381 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
8382 (ASM_OUTPUT_DWARF_OFFSET): New macro.
8383 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
8385 2000-02-03 Geoff Keating <geoffk@cygnus.com>
8387 * rs6000.c (rs6000_sr_alias_set): New variable.
8388 (rs6000_override_options): Initialise rs6000_sr_alias_set.
8389 (rs6000_emit_stack_tie): New function.
8390 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
8391 in a way that dwarf2out can understand.
8392 (rs6000_frame_related): New function.
8393 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
8394 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
8395 Use rs6000_emit_stack_tie when needed.
8396 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
8397 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
8398 * rs6000.md (stack_tie): New insn.
8399 (return_internal_si): Allow return value to be in the count
8401 (return_internal_di): Likewise.
8403 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
8405 2000-02-03 Geoff Keating <geoffk@cygnus.com>
8407 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
8409 2000-01-31 Geoff Keating <geoffk@cygnus.com>
8411 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
8413 * rs6000.md (stmw): Use the right POWER opcode.
8416 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8418 * rs6000-protos.h: New file.
8420 * rs6000.c: Include tm_p.h. Fix compile time warnings.
8422 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
8425 * sysv4.h: Likewise.
8427 2000-01-28 Geoff Keating <geoffk@cygnus.com>
8429 * ../../configure.in: Delete powerpcle-*-winnt*
8430 and powerpcle-*-pe|powerpcle-*-cygwin*.
8431 * ../../configure: Regenerated.
8433 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
8434 (TARGET_WINDOWS_NT): Delete.
8436 (CALL_NT_DLLIMPORT): Delete.
8437 Delete NT-specific code.
8438 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
8441 * nt-ci.asm: Delete.
8442 * nt-cn.asm: Delete.
8443 * ntstack.asm: Delete.
8445 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8447 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
8448 (ASM_FILE_START): Likewise.
8449 (ASM_DECLARE_FUNCTION_NAME): Likewise.
8450 (ASM_OUTPUT_LABELREF): Likewise.
8451 (ASM_OUTPUT_SKIP): Likewise.
8452 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
8453 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
8454 (ASM_OUTPUT_CASE_LABEL): Likewise.
8455 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
8456 (ASM_OUTPUT_ASCII): Likewise.
8458 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
8460 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
8461 reload_toc_labelno for non-prologue TOC reloads. Also, don't
8462 increment rs6000_pic_labelno here.
8463 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
8464 and increment rs6000_pic_labelno here.
8466 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
8468 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
8469 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
8470 allocation knows (reg) is dead before the insn.
8472 2000-01-21 Geoff Keating <geoffk@cygnus.com>
8474 * rs6000.md (movsi_to_cr): Correct typo in output template.
8476 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
8478 * rs6000.c (rs6000_pic_labelno): Always define.
8479 (rs6000_pic_func_labelno): Delete.
8480 (lmw_operation): Check for a zero base register,
8481 which doesn't mean what we want.
8482 (stmw_operation): New function.
8483 (print_operand): Define new 'l' modifier.
8484 (rs6000_stack_info): We must save all 64 bits of the registers
8485 if TARGET_POWERPC64.
8486 (rs6000_output_load_toc_table): Delete.
8487 (rs6000_emit_load_toc_table): New function.
8488 (rs6000_allocate_stack_space): Delete.
8489 (rs6000_emit_allocate_stack): New function.
8490 (rs6000_emit_prologue): New function.
8491 (output_prolog): Use rs6000_emit_prologue.
8492 (rs6000_emit_epilogue): Change a few variable names to be
8493 more accurate. Restore all 64 bits of the registers if
8494 TARGET_POWERPC64. Only restore the FP registers which were used
8495 if they are being saved/restored one-at-a-time.
8496 (output_mi_thunk): Delete inefficient code generation.
8497 (output_function_profiler): Don't use rs6000_output_load_toc_table.
8498 * rs6000.h: Declare rs6000_emit_load_toc_table,
8499 rs6000_allocate_stack_space, stmw_operation. Don't declare
8500 rs6000_output_load_toc_table.
8501 * rs6000.md (elf_high): Allow register 0, but discourage it
8503 (elf_low): Support loading into register 0.
8504 (load_toc_aix_si): New pattern.
8505 (load_toc_aix_di): New pattern.
8506 (load_toc_v4_pic_si): New pattern.
8507 (load_toc_v4_pic_di): New pattern.
8508 (load_toc_v4_PIC_1): New pattern.
8509 (load_toc_v4_PIC_1b): New pattern.
8510 (load_toc_v4_PIC_2): New pattern.
8511 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
8512 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
8513 (prologue): New expander.
8514 (movesi_from_cr): New pattern.
8515 (stmw): New pattern.
8516 (save_fpregs_si): New pattern.
8517 (save_fpregs_di): New pattern.
8519 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8521 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
8526 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8528 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
8530 (movsi_got_internal): Likewise.
8531 (movsi_got_internal+1): Likewise.
8532 (set_sp): 'unspec 7' does a SImode clobber.
8534 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8536 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
8537 allocate a stack temporary.
8538 (floatsidf2_internal): Likewise.
8539 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
8541 (floatunssidf2): Don't use the fpmem "register", just
8542 allocate a stack temporary.
8543 (floatunssidf2_internal): Likewise.
8544 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
8546 (floatsidf2_loadaddr): Delete.
8547 (floatsidf2_store1): Delete.
8548 (floatsidf2_store2): Delete.
8549 (floatsidf2_load): Delete.
8550 (fix_truncdfsi2): Don't use the fpmem "register", just
8551 allocate a stack temporary.
8552 (fix_truncdfsi2_internal_si): Delete.
8553 (fix_truncdfsi2_internal_di): Delete.
8554 (fix_truncdfsi2_internal): New insn.
8555 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
8556 (fix_truncdfsi2_store): Delete.
8557 (fix_truncdfsi2_load): Delete.
8558 (fctiwz): Produce gen_fctiwz.
8560 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
8562 * eabi.h (INVOKE__main): Define.
8563 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
8565 (rs6000_emit_prologue): Likewise.
8566 * rs6000.h (struct rs6000_stack): Don't keep track of whether
8567 this is the main program.
8569 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8571 * rs6000.c (rs6000_va_arg): Delete some unused variables.
8573 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8575 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
8576 goes after the argument.
8578 2000-01-12 Geoff Keating <geoffk@cygnus.com>
8580 * rs6000.md: Document 'unspec' values used.
8581 (epilogue): New expander.
8582 (movesi_to_cr_one): New expander.
8583 (movesi_to_cr and following): New pattern.
8585 (return_internal_si): New pattern.
8586 (return_internal_di): New pattern.
8587 (return_and_restore_fpregs_si): New pattern.
8588 (return_and_restore_fpregs_di): New pattern.
8589 * rs6000.h: Declare new functions.
8590 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
8591 rather than rs6000_calls_p.
8592 (rs6000_makes_calls): Delete.
8593 (lmw_operation): New function.
8594 (mtcrf_operation): New function.
8595 (rs6000_emit_epilogue): New function.
8596 (output_epilog): Call rs6000_emit_epilogue and final if
8597 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
8599 2000-01-12 Geoff Keating <geoffk@cygnus.com>
8601 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
8602 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
8603 * aix.h (SUBTARGET_SWITCHES): Document switches.
8604 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
8605 sched-prolog and sched-epilog the same. Document all the
8607 (TARGET_OPTIONS): No longer allow -mdebug-.
8609 2000-01-12 Geoff Keating <geoffk@cygnus.com>
8611 * rs6000.h (ASM_FILE_END): Move to aix.h.
8612 (EXTRA_SECTIONS): Move to aix.h.
8613 (READONLY_DATA_SECTION): Move to aix.h.
8614 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
8615 (SELECT_SECTION): Move to aix.h.
8616 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
8617 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
8618 (LINK_REGISTER_REGNUM): New definition.
8619 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
8620 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
8622 * sysv4.h: Delete the code between the inclusion of rs6000.h
8624 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
8625 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
8626 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
8627 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
8628 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
8629 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
8630 (fix_truncdfsi2_internal_di): New pattern.
8631 (fix_truncdfsi2_store): The second arg here is Pmode too.
8632 (fix_truncdfsi2_load): The second arg here is Pmode too.
8633 (tablejumpdi): Now that switch tables hold only SImode values,
8634 gcc needs to know how to add them to the pc which is DImode.
8635 * rs6000.c (rs6000_stack_info): Use symbolic name for
8636 LINK_REGISTER_REGNUM.
8637 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
8638 (output_toc): Delete unused variables s1 and s2.
8639 (output_ascii): Use fputs not fprintf on a variable string.
8641 2000-01-07 David Edelsohn <edelsohn@gnu.org>
8643 * rs6000.c (processor_target_table): Add power3 as alias for 630.
8644 * aix43.h: Revert Aug 2 change.
8645 (HAS_INIT_SECTION): Define, not visible yet.
8646 (LD_INIT_SWITCH): Define, not visible yet.
8647 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
8649 2000-01-04 Joel Sherrill (joel@OARcorp.com>
8651 * config/rs6000/rtems.h: Include config/rtems.h.
8653 2000-01-04 David Edelsohn <edelsohn@gnu.org>
8655 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
8656 (SLOW_UNALIGNED_ACCESS): Define.
8657 (CASE_VECTOR_MODE): Always use 32-bit offsets.
8658 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
8659 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
8660 (toc_section): Likewise and .toc pseudo-op.
8661 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
8663 (TEXT_SECTION_ASM_OP): Likewise.
8664 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
8667 1999-12-17 Jakub Jelinek <jakub@redhat.com>
8669 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
8670 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
8673 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8675 * rs6000.h: Move more stuff from here...
8677 * sysv4.h: Cleanup accordingly.
8678 * netware.h: Likewise
8680 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8682 * rs6000.h: Continue cleanup.
8685 * netware.h: Likewise.
8687 * sysv4.h: Likewise.
8688 * win-nt.h: Likewise.
8690 * rs6000.h (TARGET_SWITCHES): Add descriptions.
8691 (TARGET_OPTIONS): Likewise.
8693 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
8694 (SUBTARGET_OPTIONS): Likewise.
8696 * rs6000.md: Fix compile time warnings.
8698 2000-01-04 Geoff Keating <geoffk@cygnus.com>
8700 vxworks patches from the Cygnus tree originally by
8701 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
8702 <vmakarov@cygnus.com>.
8703 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
8704 (ENDFILE_SPEC): Likewise.
8705 (LIB_VXWORKS_SPEC): New macro.
8706 (STARTFILE_VXWORKS_SPEC): New macro.
8707 (ENDFILE_VXWORKS_SPEC): New macro.
8708 (LINK_START_VXWORKS_SPEC): New macro.
8709 (LINK_OS_VXWORKS_SPEC): New macro.
8710 (CPP_OS_VXWORKS_SPEC): New macro.
8711 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
8712 * vxppc.h: Rewrite to use proper configuration method.
8713 * vxppcle.h: New file.
8714 * ../../configure.in: Add powerpcle-wrs-vxworks*.
8715 * ../../configure: Rebuilt.
8717 2000-01-04 Geoff Keating <geoffk@cygnus.com>
8719 Lots of changes to rs6000.h, sysv4.h, aix.h,
8720 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
8721 with the aim that rs6000.h is the first header
8722 included and the others override it.
8725 * x-aix41-gld: Remove.
8727 * x-aix41: Remove target-specific switches, and don't specify
8728 -Wl,-bbigtoc as we don't need it any more.
8729 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
8730 Use t-aix43 for AIX 4.3 and above.
8731 * ../../configure: Regenerated.
8733 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
8734 options, that don't do anything yet.
8735 (MASK_SCHED_PROLOG): New macro.
8736 (MASK_SCHED_EPILOG): New macro.
8737 (TARGET_SCHED_PROLOG): New macro.
8738 (TARGET_SCHED_EPILOG): New macro.
8740 2000-01-04 Geoff Keating <geoffk@cygnus.com>
8742 * rs6000.c: Correct comment, the `minimal' TOCs are actually
8743 one per translation unit, not one per function.
8744 (output_toc): Also do duplicate constant elimination
8745 for per-translation-unit TOCs.
8747 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
8748 a comment explaining _exactly_ when this pattern gets used.
8749 (builtin_setjmp_receiver): New pattern for better clarity.
8750 (init_v4_pic): Move it into a section dealing with TOC registers.
8752 1999-12-30 Geoff Keating <geoffk@cygnus.com>
8754 * rs6000.c (toc_hash_table): New variable.
8755 (rs6000_hash_constant): New function.
8756 (toc_hash_function): New function.
8757 (toc_hash_eq): New function.
8758 (toc_hash_mark_entry): New function.
8759 (toc_hash_mark_table): New function.
8760 (output_toc): Don't output duplicate TOC entries in
8762 (rs6000_add_gc_roots): Add the hash table as a GC root.
8763 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
8764 where they clearly shouldn't be. This may need to be fixed
8765 later when there is a GNU ar for AIX.
8766 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
8767 Don't define BOOT_LDFLAGS as it is now not necessary.
8769 1999-12-29 Geoff Keating <geoffk@cygnus.com>
8771 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
8772 for va_list on AIX. Use unsigned_char_type_node rather than
8773 constructing our own version on svr4.
8775 1999-12-17 Geoff Keating <geoffk@cygnus.com>
8777 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
8778 since patently it's not.
8780 1999-12-08 Geoff Keating <geoffk@cygnus.com>
8782 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
8783 define_expand/define_insn pair, and handle restore of the
8784 SVR4 -fpic register.
8786 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
8788 * acconfig.h (HAVE_GAS_WEAK): New define.
8789 * configure.in (assembler weak support): Check for .weak support.
8790 * config.in, configure: Rebuilt.
8791 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
8792 HAVE_GAS_WEAK is defined.
8794 2000-03-15 Nick Clifton <nickc@cygnus.com>
8796 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
8799 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
8801 * cppfiles.c (open_include_file): New function.
8802 (find_include_file, cpp_read_file): Use it.
8804 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
8806 * cpphash.c (dump_hash_helper): Take the slot, not the element.
8808 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
8810 * flow.c (verify_flow_info): Check for unconditional return.
8812 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
8814 * config/ia64/ia64.md (restore_stack_nonlocal): New.
8815 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
8816 (__ia64_restore_stack_nonlocal): New.
8817 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
8819 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8821 * cpphash.c (collect_formal_parameters): Do not complain about
8822 parameter names that just start with `__VA_ARGS__'.
8824 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
8826 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
8827 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
8828 * i386.c (pentiumpro_cost): Set mul cost to 4.
8829 (x86_use_movx): Set for PPro.
8831 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
8833 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
8834 STACK_BOUNDARY for empty frames now.
8836 2000-03-14 Mark Mitchell <mark@codesourcery.com>
8838 * stor-layout.c (layout_union): Remove.
8839 (layout_union_field): New function, split out from layout_union.
8840 (finish_union_layout): Likewise.
8841 (layout_field): Handle unions by calling layout_union_field.
8842 (finish_record_layout): Handle unions.
8843 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
8844 QUAL_UNION_TYPE handling.
8846 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
8848 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
8849 end of basic block is jump_insn, not barrier; use create_basic_block
8850 instead of creating basic block by hand.
8852 2000-03-14 Jason Eckhardt <jle@cygnus.com>
8854 * flow.c (reorder_basic_blocks): Account for barriers when writing
8855 over NEXT_INSN (last_bb->end).
8856 (verify_flow_info): Add check for missing barriers.
8858 2000-03-14 Greg McGary <gkm@gnu.org>
8860 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
8861 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
8862 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
8863 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
8864 __unbounded, __unbounded__): New keywords.
8865 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
8866 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
8867 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
8869 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
8871 * cselib.h: New file.
8872 * alias.c: Include "cselib.h".
8873 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
8874 MEMs as two new arguments.
8875 (get_addr): New static function.
8876 (find_base_term): Handle VALUEs.
8877 (memrefs_conflict_p): Likewise.
8878 (true_dependence): Call get_addr on the addresses.
8879 Call fixed_scalar_and_varying_struct_p with addresses that have been
8880 passed through get_addr and canon_rtx.
8881 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
8882 with true_dependence.
8883 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
8884 * loop.c: Include "cselib.h".
8885 (load_mems): Process extended basic block that enters the loop with
8886 cselib. Use that information to change initialization of the shadow
8887 register so that a constant equivalence is seen by later passes.
8888 * reload1.c: Include "cselib.h".
8889 (reload_cse_invalidate_regno): Delete function.
8890 (reload_cse_mem_conflict_p): Likewise.
8891 (reload_cse_invalidate_mem): Likewise.
8892 (reload_cse_invalidate_rtx): Likewise.
8893 (reload_cse_regno_equal_p): Likewise.
8894 (reload_cse_check_clobber): Likewise.
8895 (reload_cse_record_set): Likewise.
8896 (reg_values): Delete static variable.
8897 (invalidate_regno_rtx): Likewise.
8898 (reload_cse_delete_noop_set): New static function.
8899 (reload_cse_simplify): New static function, broken out of
8901 (reload_cse_noop_set_p): Delete unused argument INSN.
8902 Just call rtx_equal_for_cselib_p on set source and destination.
8903 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
8904 reload_cse_delete_noop_set. Delete code to keep track of values; use
8905 cselib functions instead. Delete code to push/pop obstacks.
8906 (reload_cse_simplify_set): Use cselib to find equivalent values.
8907 Delete code to push/pop obstacks.
8908 (reload_cse_simplify_operands): Likewise.
8909 * rtl.def (VALUE): New rtx code.
8910 * rtl.h (union rtunion_def): New elt rt_cselib.
8911 (X0CSELIB, CSELIB_VAL_PTR): New macros.
8912 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
8913 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
8914 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
8915 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
8916 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
8917 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
8918 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
8919 cselib_record_set, cselib_record_sets): New static functions.
8920 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
8921 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
8922 references_value_p): New functions.
8923 (MAX_USELESS_VALUES, REG_VALUES): New macros.
8924 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
8925 n_useless_values, reg_values, callmem, cselib_obstack,
8926 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
8927 New static variables.
8928 * varray.h (union varray_data_tag): New elt te.
8929 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
8930 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
8933 2000-03-14 Nick Clifton <nickc@cygnus.com>
8935 * gcc.c (do_spec_1): Catch the case where %* is used in a
8936 substitution pattern, but it has not been initialised.
8937 Issue a meaningful error message if an unrecognised operator
8938 is encountered in a spec string.
8940 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
8942 * function.c (prepare_function_start): Correctly initialize
8943 cfun->stack_alignment_needed.
8945 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
8947 * cppfiles.c (find_include_file): Don't assume nshort is a
8950 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
8952 * configure.in (hppa configurations): Add pa32-regs.h to the
8953 list of tm files as appropriate.
8954 * configure: Rebuilt.
8955 * pa.c (compute_frame_size): Remove explicit knowledge about FP
8957 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
8958 (fmpyaddoperands, fmpysuboperands): Likewise.
8959 * pa.h: Remove various definitions which depend on knowing
8960 how registers are numbered.
8961 * pa32-regs.h: New file with PA32 register numbering specific
8964 2000-03-14 Richard Henderson <rth@cygnus.com>
8966 * regmove.c (combine_stack_adjustments): New.
8967 (stack_memref_p, single_set_for_csa): New.
8968 (free_csa_memlist, record_one_stack_memref): New.
8969 (try_apply_stack_adjustment): New.
8970 (combine_stack_adjustments_for_block): New.
8971 * rtl.h (combine_stack_adjustments): Declare.
8972 * toplev.c (rest_of_compilation): Call it.
8974 * i386.md: Revert 2000-01-16 change.
8976 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8978 * gccbug.in: Add web category, gcc specific classes.
8980 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
8982 * stor-layout.c (finalize_record_size): Fix typo.
8984 2000-03-14 Stan Shebs <shebs@apple.com>
8986 * c-typeck.c (c_alignof): Error on incomplete types.
8987 * extend.texi (Alignment): Document this.
8989 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
8991 * cppfiles.c: Include mkdeps.h.
8992 (find_include_file, read_include_file): Remove _cpp_ prefix
8993 from name, make static.
8994 (_cpp_execute_include): New function, broken out of
8997 * cpplib.c: Don't include mkdeps.h.
8998 (struct directive): Remove type field. Reorder entries. The
8999 function takes only one argument.
9000 (struct if_stack): Make type field an int.
9001 (directive_table): Rename to dtable. Generate it, the
9002 prototypes of the directive handlers, and the enum for the
9003 directive numbers, from a template macro.
9004 (do_ifndef, do_include_next, do_import): New functions.
9005 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
9006 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
9007 do_ident, do_assert, do_unassert, do_sccs): Take only one
9009 (do_sccs): Define always, but alter behavior based on
9011 (_cpp_handle_directive, consider_directive_while_skipping):
9012 Restructure for new directive table layout.
9014 (pass_thru_directive): Take a directive number, not a pointer
9015 to a struct directive.
9016 (parse_include): New function, broken out of do_include.
9017 (do_include, do_import, do_include_next): Use parse_include
9018 and _cpp_execute_include.
9019 (do_elif, do_else): Test for T_ELSE specifically when checking
9020 for #elif/#else after #else.
9021 (parse_ifdef): New function, broken out of do_ifdef.
9022 (validate_else): Expect a name arg without a leading #.
9023 (if_directive_name): Delete.
9024 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
9025 directive handlers with only one argument.
9027 * cpphash.h: Update prototypes.
9028 (enum node_type): Remove entries for directives.
9029 * Makefile.in: Update dependencies.
9031 * cpphash.c (dump_hash_helper): Only dump nodes of type
9032 T_MACRO. Emit a newline after each definition.
9034 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9036 * gccbug.in: New file.
9037 * configure.in (all_outputs): Add gccbug.
9038 * Makefile.in (install-common): Install gccbug.
9039 (GCCBUG_INSTALL_NAME): New variable.
9040 * configure: Rebuilt.
9042 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
9044 * function.c (put_var_into_stack): Use type_for_mode to calculate
9045 part_type. Use MEM_SET_IN_STRUCT_P.
9046 * expr.c (store_field): Handle CONCAT.
9047 (store_constructor): Use fields_length.
9048 * tree.c (fields_length): New fn.
9049 * tree.h: Declare it.
9051 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9053 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
9054 (cpplex.o): New target.
9055 * po/POTFILES.in: Add cpplex.c.
9057 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
9058 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
9059 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
9060 skip_block_comment, skip_line_comment, skip_comment,
9061 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
9062 _cpp_parse_name, skip_string, parse_string,
9063 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
9064 _cpp_get_directive_token, find_position,
9065 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
9066 (maybe_macroexpand, _cpp_lex_token): New functions.
9068 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
9069 parse_goto_mark): Delete.
9070 (_cpp_handle_eof): New function.
9071 (_cpp_handle_directive): Rename from handle_directive.
9072 (_cpp_output_line_command): Rename from output_line_command.
9073 (do_if, do_elif): Call _cpp_parse_expr directly.
9074 * cppfiles.c (_cpp_read_include_file): Don't call
9075 init_input_buffer here.
9076 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
9077 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
9078 here; pop the token_buffer and skip the rest of the line here.
9079 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
9082 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
9084 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
9085 CPP_GOTO_MARK): New macros.
9086 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
9087 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
9088 _cpp_read_and_prescan, _cpp_init_input_buffer,
9089 _cpp_grow_token_buffer, _cpp_get_directive_token,
9090 _cpp_handle_directive, _cpp_handle_eof,
9091 _cpp_output_line_command): Prototype them here.
9092 * cpplib.h (enum cpp_token): Add CPP_MACRO.
9093 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
9094 quote_string, output_line_command): Remove.
9096 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
9098 * stmt.c (expand_end_case): RANGE may be signed, and when checking
9099 whether it is too large we must also verify that it isn't negative.
9101 2000-03-13 Jakub Jelinek <jakub@redhat.com>
9103 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
9104 (movsi_zero_liveg0): Remove.
9105 (movsf_insn_novis_liveg0): Remove.
9107 (negsi2_not_liveg0): Rename to negsi2.
9108 (one_cmplsi2): Remove.
9109 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
9110 (one_cmplsi2_liveg0): Remove.
9111 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
9112 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
9113 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
9114 (PREDICATE_CODES): Remove zero_operand.
9115 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
9116 TARGET_BROKEN_SAVERESTORE.
9117 (zero_operand): Remove.
9118 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
9119 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
9121 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
9122 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
9123 TARGET_BROKEN_SAVERESTORE): Remove.
9124 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9126 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9128 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9131 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
9133 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9135 * cpplib.c (do_pragma_implementation): Fix off-by-one error
9136 truncating a string. Don't assume tokens are nul terminated.
9137 Problem noted by Andreas Jaeger <aj@suse.de>
9139 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
9141 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
9142 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
9143 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
9145 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
9147 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
9148 STRUCTURE_SIZE_BOUNDARY.
9150 2000-03-13 Mark Mitchell <mark@codesourcery.com>
9152 * tree.h (record_layout_info_s): New structure.
9153 (record_layout_info): New type.
9154 (new_record_layout_info): New function.
9155 (layout_field): Likewise.
9156 (finish_record_layout): Likewise.
9157 * stor-layout.c (layout_record): Remove.
9158 (new_record_layout_info): New function.
9159 (layout_field): New function, broken out from layout_record.
9160 (finalize_record_size): Likewise.
9161 (compute_record_mode): Likewise.
9162 (finalize_type_size): New function, broken out from layout_type.
9163 (finish_record_layout): Likewise.
9164 (layout_type): Use them.
9166 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
9168 * cpphash.c: Don't include version.h.
9169 (special_symbol) [case T_VERSION]: Look for the string in
9170 hp->value.cpval; don't use version_string.
9171 * cppinit.c (initialize_builtins): Set hp->value.cpval for
9172 __VERSION__ to version_string.
9173 * Makefile.in (cpphash.o): Update deps.
9175 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
9177 Convert cpplib to use libiberty/hashtab.c.
9179 * cpplib.h (struct cpp_reader): Make hashtab and
9180 all_include_files of type 'struct htab *'. Delete HASHSIZE
9181 and ALL_INCLUDE_HASHSIZE macros.
9183 * cpphash.h: Update prototypes.
9184 (struct hashnode): Remove next, prev, and bucket_hdr members.
9185 Make length a size_t. Add hash member.
9186 (struct ihash): Remove next member. Add hash member. Make
9187 name a flexible array member.
9189 * cppfiles.c: Include hashtab.h.
9190 (include_hash): Delete.
9191 (IHASHSIZE): New macro.
9192 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
9193 (cpp_included): Do the hash lookup here.
9194 (_cpp_find_include_file): Rewrite.
9195 (cpp_read_file): Put the "fake" hash entry into the hash
9196 table. Honor the control_macro, if it turns out we've seen
9197 the file before. Don't push the buffer here.
9198 (_cpp_read_include_file): Push the buffer here.
9199 (OMODES): New macro. Use it whenever we call open(2).
9201 * cpphash.c: Include hashtab.h.
9202 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
9203 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
9204 _cpp_lookup_slot): New functions.
9205 (HASHSIZE): new macro.
9206 (hashf, _cpp_install, _cpp_delete_macro): Delete.
9207 (_cpp_lookup): Use hashtab.h routines.
9209 * cppinit.c: Include hashtab.h.
9210 (cpp_reader_init): Call _cpp_init_macro_hash and
9211 _cpp_init_include_hash. Don't allocate hashtab directly.
9212 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
9213 pfile->all_include_files.
9214 (initialize_builtins): Use _cpp_make_hashnode and
9215 htab_find_slot to add hash entries.
9216 (cpp_finish): Just call _cpp_dump_macro_hash.
9217 * cpplib.c: Include hashtab.h.
9218 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
9219 create hash entries.
9220 (do_pragma_poison, do_assert): Likewise.
9221 (do_include): Don't push the buffer here. Don't increment
9222 system_include_depth unless _cpp_read_include_file succeeds.
9223 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
9225 (do_pragma_implementation): Use alloca to create copy.
9227 * Makefile.in: Update dependencies.
9229 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9231 * cppinit.c (cl_directive_handler): More K&R fixing.
9233 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
9235 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
9237 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
9239 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9241 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
9242 Change from char[] to macros.
9244 2000-03-12 Neil Booth <NeilB@earthling.net>
9246 * cppinit.c (cpp_start_read): Update indirect function
9249 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
9251 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
9254 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
9255 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
9257 2000-03-11 Neil Booth <NeilB@earthling.net>
9259 * cppinit.c (struct pending option): Replace undef with a
9260 pointer to a directive handling routine.
9261 (struct cpp_pending): Replace separate assert_ and define_
9262 lists with one directive_ list.
9263 (new_pending_define): Rename new_pending_directive. Extra
9264 argument is the directive's handling routine.
9265 (handle_option): Update to use new_pending_directive.
9267 2000-03-11 Neil Booth <NeilB@earthling.net>
9269 * cppfiles.c (file_cleanup, _cpp_find_include_file,
9270 remap_filename, _cpp_read_include_file, actual_directory,
9271 hack_vms_include_specification): Replace bcopy(), index() etc
9272 calls. Add casts to some allocations. Make some variables
9273 pointers to const [unsigned] char.
9274 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
9275 collect_formal_parameters): Similarly.
9276 * cppinit.c (struct pending_option, append_include_chain,
9277 cpp_options_init, cpp_reader_init, initialize_standard_includes,
9278 cpp_start_read, new_pending_define, handle_option): Similarly.
9279 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
9280 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
9281 do_pragma_implementation, detect_if_not_defined,
9282 do_ifdef, skip_if_group, cpp_get_token, parse_string,
9283 do_assert, do_unassert): Similarly.
9284 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
9285 function prototypes.
9286 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
9288 2000-03-10 Richard Henderson <rth@cygnus.com>
9290 * builtins.c (expand_builtin_strlen): Revert last change.
9291 Use emit_insn_before if we're at the beginning of a sequence.
9293 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
9295 * builtins.c (expand_builtin_strlen): Make sure that we have something
9296 at the beginning of the sequence.
9298 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
9301 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
9303 2000-03-10 Richard Henderson <rth@cygnus.com>
9305 * except.c (can_throw): Use INTVAL on a CONST_INT.
9306 (reachable_handlers): Likewise.
9307 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
9309 2000-03-10 Andreas Jaeger <aj@suse.de>
9311 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
9312 MD_STARTFILE_PREFIX since those are not needed on linux.
9313 (ASM_FILE_START): New, from mips/gnu.h.
9315 2000-03-09 Richard Henderson <rth@cygnus.com>
9316 Alex Samuel <samuel@codesourcery.com> and others
9318 * Makefile.in (ssa.o): New rule.
9320 (STAGESTUFF): Add *.ssa and *.ussa.
9321 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
9322 * rtl.def (PHI): New RTL expression.
9323 * rtl.h (clear_log_links): New declaration.
9324 (convert_to_ssa): Likewise.
9325 (convert_from_ssa): Likewise.
9326 * flow.c (split_edge): If the entry node falls through to the
9327 split edge's source block, split the entry edge.
9328 (clear_log_links): New function.
9329 * toplev.c (ssa_dump): New variable.
9330 (flag_ssa): Likewise.
9331 (f_options): Add "ssa".
9332 (compile_file): Create SSA dump files.
9333 (rest_of_compilation): Go to and from SSA if enabled.
9334 (decide_d_option): Handle -de for SSA dump files.
9337 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
9339 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
9342 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
9344 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
9346 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
9348 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
9349 (MD_STARTFILE_PREFIX_1): New macro.
9351 2000-03-09 Robert Lipe <robertl@sco.com>
9353 * config/ia64/ia64.c: Include system.h.
9355 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
9357 * except.c (nothrow_function_p): If -fno-exceptions, just return.
9358 (init_eh_nesting_info): Likewise.
9360 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
9361 (TREE_NOTHROW): Rename from TREE_RAISES.
9362 * toplev.c (rest_of_compilation): Set it.
9363 * print-tree.c (print_node): Adjust.
9364 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
9365 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
9366 * calls.c (emit_call_1): Add 'nothrow' parm. Add
9367 REG_EH_REGION note as appropriate.
9368 (libfunc_nothrow): New fn.
9369 (emit_library_call, emit_library_call_value): Use it.
9370 (expand_call): Check TREE_NOTHROW.
9372 * varasm.c (make_decl_rtl): Skip initial '*' when setting
9373 DECL_ASSEMBLER_NAME.
9375 2000-03-09 Andreas Jaeger <aj@suse.de>
9377 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
9378 (TARGET_MEM_FUNCTIONS): Define.
9380 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
9382 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
9384 * except.c (can_throw): See through a SEQUENCE.
9385 (nothrow_function_p): New fn.
9386 * except.h: Declare it.
9387 * function.c (current_function_nothrow): New var.
9388 (prepare_function_start): Initialize it.
9389 * output.h: Declare it.
9390 * toplev.c (rest_of_compilation): Set it.
9391 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
9393 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
9395 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
9396 match. (cpp_compare_defs): Count the nul separator when
9397 advancing over argument names.
9399 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
9401 * recog.c (preprocess_constraints): Matching constraints affect
9402 same alternative/different operand, not same operand/different
9405 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
9406 register and a constant specially.
9408 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9410 * libgcc2.h: New file.
9411 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
9413 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
9415 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
9416 * configure: Regenerate.
9419 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
9421 * Makefile.in (LIBCPP_DEPS): New macro.
9422 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
9424 * cpperror.c: Include cpphash.h.
9425 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
9427 (lex): Don't use CPP_WARN_UNDEF.
9428 (_cpp_parse_expr): Return an int, the truth value.
9429 * cppfiles.c: Include cpphash.h.
9430 (_cpp_merge_include_chains): Move to cppinit.c and make static.
9431 * cppinit.c (include_defaults_array): Disentangle.
9432 (cpp_cleanup): Don't free the if stack here.
9433 (cpp_finish): Pop off all buffers, not just one.
9434 * cpplib.c (eval_if_expr): Return int.
9435 (do_xifdef): Rename do_ifdef.
9436 (handle_directive): Don't use CPP_PREPROCESSED.
9437 (cpp_get_token): Don't use CPP_C89.
9438 * fix-header.c: Don't use CPP_OPTIONS.
9440 * cpplib.h: Move U_CHAR, enum node_type, struct
9441 file_name_list, struct ihash, is_idchar, is_idstart,
9442 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
9443 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
9444 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
9445 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
9446 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
9447 of _cpp_simplify_pathname, _cpp_find_include_file,
9448 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
9449 Move struct if_stack to cpplib.c. Move struct cpp_pending to
9451 Change all uses of U_CHAR to be unsigned char instead.
9452 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
9454 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
9456 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
9457 (dwarf2out_begin_prologue): Set it.
9458 (output_call_frame_info): Don't emit EH unwind info for leaves.
9460 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
9461 can occur outside of an EH region.
9462 * except.c: Correct comments about rethrow behavior.
9463 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
9465 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
9467 * flow.c (make_edges): Always call make_eh_edge for calls.
9469 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
9471 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
9472 (struct cpp_buffer): Remove fname and underflow fields.
9473 (struct cpp_reader): Remove get_token field.
9474 (struct include_hash): Rename to struct ihash. Add typedef to
9476 (struct if_stack): Remove fname field.
9477 (IF_STACK_FRAME): Rename to IF_STACK.
9479 * cpperror.c (print_containing_files): Trust that there are no
9480 macro buffers below the top file buffer.
9481 * cppfiles.c: Replace all references to 'struct include_hash'
9482 with 'IHASH'. Rename initialize_input_buffer to
9483 init_input_buffer. Don't set or reference cpp_buffer->fname,
9484 use buffer->ihash->name instead.
9485 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
9486 not CPP_NULL_BUFFER.
9487 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
9488 IF_STACK_FRAME, IHASH not struct include_hash.
9489 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
9490 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
9491 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
9492 references to cpp_buffer->fname (delete entirely, or use
9493 ->ihash->name instead) and IF_STACK->fname.
9494 (cpp_push_buffer): Don't set new->underflow.
9495 (do_include): Use cpp_file_buffer.
9497 * cpphash.c (collect_formal_parameters): Remove duplicate
9498 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
9499 used as a macro argument name. Don't append "..." to namebuf
9500 for varargs macros. After we're done scanning, go through
9501 namebuf and make it NUL separated, not comma separated.
9502 (_cpp_compare_defs): Remove register tag from variables.
9503 Expect defn->argnames to be NUL separated.
9504 (_cpp_dump_definition): Expect defn->argnames to be NUL
9505 separated and in forward order.
9506 * cpphash.h: Update documentation of argnames field.
9508 2000-03-08 Richard Henderson <rth@cygnus.com>
9510 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
9511 to fail. Don't pre-expand the source operand.
9513 * i386.md (strlensi): Initialize eoschar and align before use.
9515 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
9517 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
9518 CONSTRUCTOR element.
9520 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
9522 * mips.c (mips_expand_prologue): If the last
9523 named argument is the vararg marker "va_list", treat it as
9524 an unnamed argument.
9526 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
9528 * dbxout.c (dbxout_parms): When correcting for promoted
9529 big-endian parameters, use the mode of the DECL_RTL rather
9530 than UNITS_PER_WORD.
9532 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
9534 * c-common.h (make_fname_decl): Declare.
9535 * c-common.c (make_fname_decl): Define.
9536 (declare_hidden_char_array): Remove.
9537 (declare_function_name): Use make_fname_decl.
9538 * c-decl.c (c_make_fname_decl): New function.
9539 (init_decl_processing): Set make_fname_decl.
9541 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
9543 * cccp.c (handle_directive): Initialize backslash_newlines_p.
9545 2000-03-07 Philipp Thomas <pthomas@suse.de>
9547 * po/POTFILES.in: Remove cppalloc.c from file list.
9549 2000-03-07 Steve Chamberlain <sac@pobox.com>
9551 * pj.c (pj_expand_prologue): current_function->args_info is
9552 now current_function_args_info.
9554 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
9555 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
9556 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
9558 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9560 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
9561 output as hexadecimal rather than the default octal.
9563 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
9565 * cpphash.c (special_symbol): Fix thinko in previous commit.
9567 2000-03-07 Neil Booth <NeilB@earthling.net>
9569 * cppexp.c (struct operation, left_shift, right_shift,
9570 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
9571 "int"s to "unsigned int"s.
9572 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
9574 * cpplib.h: Update for above.
9575 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
9576 returned from allocations.
9578 * cppinit.c (opt_comp, parse_options): New functions.
9579 (handle_option): Use parse_option to parse a single command
9580 line option, that possibly takes an argument.
9581 (cpp_handle_options): Sort the array of command line options on
9582 first invocation (non-ASCII hosts only).
9583 (print_help): Update.
9585 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
9587 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
9588 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
9590 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
9592 * cppinit.c (cpp_cleanup): Free imp->nshort also.
9594 * cpperror.c (cpp_print_containing_files,
9595 cpp_print_file_and_line, v_cpp_message): Rename to
9596 print_containing_files, print_file_and_line, and v_message.
9597 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
9598 to _cpp_parse_expr, parse_escape, and lex.
9599 (parse_charconst): Remove broken multibyte support.
9600 * cppfiles.c (include_hash): Make static.
9601 (cpp_included): New function.
9602 (merge_include_chains, find_include_file, finclude,
9603 simplify_pathname): Rename to _cpp_merge_include_chains,
9604 _cpp_find_include_file, _cpp_read_include_file, and
9605 _cpp_simplify_pathname.
9606 * cpphash.c (cpp_lookup, free_definition, delete_macro,
9607 cpp_install, create_definition, macroexpand, compare_defs,
9608 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
9609 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
9610 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
9611 * cppinit.c (cpp_handle_option): Rename to handle_option, make
9613 * cpplib.c: Remove extern prototype of cpp_parse_expr.
9615 * cpphash.h: Update prototypes.
9616 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
9618 2000-03-07 Andrew Haley <aph@cygnus.com>
9620 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
9621 PTRDIFF_TYPE should be based solely on Pmode.
9624 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9626 * rtl.h (rtunion_def): Constify member `rtstr'.
9627 (emit_line_note_after, emit_line_note, emit_line_note_force,
9628 emit_note, decode_asm_operands): Constify.
9630 * cse.c (canon_hash): Likewise.
9632 * dbxout.c (dbxout_block): Likewise.
9634 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
9635 v_warning_for_asm): Likewise.
9637 * dwarfout.c (function_start_label): Likewise.
9639 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
9640 emit_line_note_force): Likewise.
9642 * final.c (last_filename, asm_insn_count, final_scan_insn,
9643 output_source_line): Likewise.
9645 * function.h (struct emit_status): Likewise.
9647 * gcse.c (hash_expr_1): Likewise.
9649 * genattr.c (gen_attr, main): Likewise.
9651 * genattrtab.c (struct function_unit, current_alternative_string,
9652 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
9653 attr_numeral, check_attr_test, check_attr_value,
9654 convert_set_attr_alternative, convert_set_attr,
9655 compute_alternative_mask, simplify_by_exploding, gen_attr,
9656 gen_unit): Likewise.
9658 * genflags.c (gen_insn): Likewise.
9660 * gengenrtl.c (type_from_format): Likewise.
9662 * genopinit.c (gen_insn): Likewise.
9664 * genoutput.c (n_occurrences, process_template, process_template):
9667 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
9670 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
9673 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
9674 ggc_set_mark, ggc_get_size): Likewise.
9676 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
9678 * optabs.c (init_one_libfunc): Likewise.
9680 * output.h (assemble_start_function): Likewise.
9682 * recog.c (decode_asm_operands): Likewise.
9684 * toplev.c (rest_of_compilation): Likewise.
9686 * tree.h (emit_line_note_after, emit_line_note,
9687 emit_line_note_force): Likewise.
9689 * varasm.c (asm_output_bss, asm_output_aligned_bss,
9690 asm_emit_uninitialised, assemble_start_function,
9691 assemble_variable, const_hash, compare_constant_1,
9692 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
9694 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
9696 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
9698 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
9700 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
9702 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
9703 arm_dllimport_name_p): Likewise.
9705 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
9708 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
9710 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9712 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
9713 arm_mark_dllexport, arm_mark_dllimport,
9714 arm_pe_encode_section_info): Likewise.
9716 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
9717 ASM_FINISH_DECLARE_OBJECT): Likewise.
9719 * arm/thumb.c (thumb_function_prologue): Likewise.
9721 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
9723 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9725 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
9727 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
9729 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
9731 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9733 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
9734 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
9736 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
9738 * i386/i386.c (asm_output_function_prefix): Likewise.
9740 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
9742 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9744 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
9746 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
9747 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
9748 ASM_OUTPUT_SECTION_NAME): Likewise.
9750 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
9752 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
9754 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
9756 * m32r/m32r.c (m32r_encode_section_info): Likewise.
9758 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9760 * mcore/mcore.c (mcore_encode_section_info): Likewise.
9762 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9764 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9766 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9768 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
9770 * mips/mips.md (movdi, movsi): Likewise.
9772 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9774 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9776 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9778 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
9779 ASM_OUTPUT_ASCII): Likewise.
9781 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
9782 output_mi_thunk, output_toc): Likewise.
9784 * rs6000/rs6000.md (movsi): Likewise.
9786 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
9788 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
9790 * v850/v850.c (print_operand, print_operand_address,
9791 v850_encode_data_area): Likewise.
9793 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
9795 * config/mips/mips.md (zero_extendsidi2): Always force operand
9796 one to memory for mips16.
9798 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9800 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
9801 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
9802 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
9803 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
9804 (min_precision): Result is unsigned.
9805 (add_double, neg_double, mul_double): Low word is unsigned.
9806 (lshift_double, rshift_double, lrotate_double): Likewise.
9807 (rrotate_double, div_and_round_double): Likewise.
9808 (tree_floor_log2, compare_tree_int): New functions.
9809 (preserve_rtl_expr_temps): New declaration.
9810 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
9811 (decl_attributes): Use tree_log2 to find alignment.
9812 Check for TREE_INT_CST_HIGH for format args.
9813 (min_precision): Now unsigned.
9814 Use tree_floor_log2.
9815 (truthvalue_conversion): Delete long-disabled code.
9816 * c-decl.c (finish_struct): Clean up tests on field width.
9817 (finish_function): Use compare_tree_int.
9818 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
9819 * c-typeck.c (comptypes): Use tree_int_cst_equal.
9820 (default_conversion, digest_init): Use compare_tree_int.
9821 (build_binary_op): Use integer_all_onesp and compare_tree_int.
9822 Fix type errors in forming masks.
9823 * calls.c (initialize_argument_information): Use compare_tree_int.
9824 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
9825 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
9826 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
9827 (store_field): Use compare_tree_int.
9828 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
9829 (expand_expr, case ARRAY_REF): Use compare_tree_int.
9830 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
9831 (do_store_flag): Use compare_tree_int.
9832 * fold-const.c (encode, decode): Low part is always unsigned.
9833 (force_fit_type, add_double, neg_double, mul_double): Likewise.
9834 (lshift_double, rshift_double, lrotate_double): Likewise.
9835 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
9836 (fold_convert): Use compare_tree_int.
9837 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
9838 (invert_truthvalue, case INTEGER_CST): Likewise.
9839 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
9840 * mkdeps.c (deps_dummy_targets): Make I unsigned.
9841 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
9842 (lshift_double, rshift_double, lrotate_double, rrotate_double):
9844 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
9845 (expand_end_case): Use compare_tree_int.
9846 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
9847 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
9848 (layout_decl): Likewise.
9849 (layout_record, layout_union): Make sizes unsigned.
9850 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
9851 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
9852 * tree.c (struct type_hash): hashcode is unsigned.
9853 (build_type_attribute_variant, type_hash_list): Likewise.
9854 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
9855 (attribute_hash_list, build_array_type, build_method_type): Likewise.
9856 (build_complex_type): Likewise.
9857 (real_value_from_int_cst): Remove unneeded casts.
9858 (integer_all_onesp): Add casts.
9859 (tree_floor_log2, compare_tree_int): New functions.
9860 (build_index_type): Use tree_int_cst_sgn.
9861 * varasm.c (assemble_variable): Use compare_tree_int.
9863 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
9865 * cpphash.c (collect_expansion): Also catch ## at start of macro.
9867 * varasm.c (make_decl_rtl): Don't add a number to members of
9869 (make_function_rtl): Likewise.
9871 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9873 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
9874 patch from 2000-01-28.
9876 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
9878 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
9879 filled with an insn from the jump target.
9881 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9883 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
9884 (c4x_external_ref): Likewise.
9885 * config/c4x/c4x.c (struct name_list): Likewise.
9887 1999-12-16 Ben Collins <bcollins@debian.org>
9889 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
9890 argument to genmultilib.
9891 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
9892 the contents into the multilib.h header.
9893 * gcc.c: Declare multilib_exclusions for the specs file.
9894 (set_multilib_dir): Use it.
9895 (print_multilib_info): Likewise.
9896 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
9897 to pass to genmultilib.
9899 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9901 * builtins.c (built_in_class_names, built_in_names): Constify a
9904 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
9906 (_mcleanup): Ensure value matches format specifier in sprintf.
9908 * cpphash.c (special_symbol): Don't needlessly cast away
9911 * cppinit.c (base_name): Delete unused prototype.
9913 * mkdeps.c (deps_init): Make definition K&R safe.
9915 * tree.h (built_in_class_names, built_in_names): Constify a
9918 2000-03-06 Jakub Jelinek <jakub@redhat.com>
9920 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
9921 floating point instructions for epilogue delay.
9923 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
9924 to gas if it supports .register pseudo.
9926 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
9927 LONG_DOUBLE_TYPE_SIZE if not defined.
9928 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
9929 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
9931 * gengenrtl.c: Likewise.
9932 * print-rtl.c: Likewise.
9934 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
9935 MASK_LONG_DOUBLE_128.
9936 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
9937 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
9938 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
9939 (SUBTARGET_SWITCHES): Define.
9940 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
9941 with -mlong-double-128.
9942 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
9943 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
9944 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
9945 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
9946 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
9947 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
9948 with -mlong-double-128.
9949 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
9950 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
9951 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
9952 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
9953 TARGET_LONG_DOUBLE_128): Define.
9954 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
9955 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
9956 long double on TARGET_ARCH64.
9958 2000-03-06 Mark Mitchell <mark@codesourcery.com>
9960 * function.c (free_temps_for_rtl_expr): Don't free slots
9961 that have been pushed into a higher level.
9964 2000-03-05 Mark Mitchell <mark@codesourcery.com>
9966 2000-03-05 Mark Mitchell <mark@codesourcery.com>
9968 * basic-block.h (ALLOCA_REG_SET): Remove.
9969 (INITIALIZE_REG_SET): New macro.
9970 * flow.c (update_life_info): Use it.
9971 (calculate_global_regs_live): Likewise.
9972 (propagate_block): Likewise.
9973 * global.c (build_insn_chain): Likewise.
9974 * haifa-sched.c (schedule_region): Likewise.
9976 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
9978 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
9979 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
9980 (DWARF_ARANGES_PAD_SIZE): New define.
9981 (output_aranges): Use it to pad the address range header.
9982 (DWARF_ROUND): Fix for non power of 2 rounding.
9984 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
9986 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
9988 2000-03-05 Mark Mitchell <mark@codesourcery.com>
9990 * tree.def (RTL_EXPR): Update documentation.
9991 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
9992 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
9993 * function.c (preserve_rtl_expr_temp): New function.
9994 (preserve_rtl_expr_temps): Likewise.
9995 (preserve_rtl_expr_result): Use it.
9998 2000-03-04 Mark Mitchell <mark@codesourcery.com>
10000 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
10002 * regmove.c (copy_src_to_dest) Do not create src->dest move
10003 for unchanging destination.
10005 2000-03-04 Mark Mitchell <mark@codesourcery.com>
10007 * function.h (struct sequence_stack): Remove rtl_expr.
10008 (struct emit_staus): Likewise.
10009 (seq_rtl_expr): Remove.
10010 * tree.h (free_temps_for_rtl_expr): Don't declare.
10011 (start_sequence_for_rtl_expr): Likewise.
10012 * rtl.h (preserve_rtl_expr_result): Likewise.
10013 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
10014 (start_sequence_for_rtl_expr): Remove.
10015 (push_topmost_sequence): Don't save sequence_rtl_expr.
10016 (pop_topmost_sequence): Remove comment about not restoring it.
10017 (end_sequence): Don't set seq_rtl_expr.
10018 (init_emit): Don't initialize it.
10019 (mark_sequence_stack): Don't mark it.
10020 (mark_emit_status): Likewise.
10021 * except.c (protect_with_terminate): Use
10022 start_sequence_for_rtl_expr, not start_sequence.
10023 * expr.c (expand_expr, case RTL_EXPR): Don't call
10024 preserve_rtl_expr_result or free_temps_for_rtl_expr.
10025 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
10026 (preserve_rtl_expr_result): Remove.
10027 (free_temps_for_rtl_expr): Likewise.
10028 (pop_temp_slots): Likewise.
10029 (mark_temp_slot): Don't mark the rtl_expr.
10030 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
10031 start_sequence_for_rtl_expr.
10033 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
10035 * mkdeps.c, mkdeps.h: New files.
10036 * po/POTFILES.in: Add them.
10037 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
10038 (cpplib.o, cppinit.o): Depend on mkdeps.h.
10039 (mkdeps.o): New target.
10041 * cppfiles.c: Delete deps_output.
10042 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
10043 OBJECT_SUFFIX, and base_name.
10044 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
10046 (initialize_dependency_output): Use deps_init,
10047 deps_add_target, deps_calc_target, and deps_add_dep. Remove
10048 all the unnecessary string bashing.
10049 (cpp_finish): Use deps_write. Remove an unnecessary nesting
10051 * cpplib.c (do_include): Use deps_add_dep.
10052 * cpplib.h (struct cpp_reader): Replace deps_buffer,
10053 deps_allocated_size, deps_size, deps_column members with
10054 single pointer to a struct deps. Delete prototype of
10057 * cppinit.c: Fix thinko in previous patch.
10059 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10061 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
10062 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
10063 (mode_for_size_tree): New function.
10064 (layout_decl, layout_type): Call it and clean up BLKmode checks.
10065 * tree.h (mode_for_size_tree): New declaration.
10067 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
10069 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
10071 * stmt.c (is_body_block): Move...
10072 * dwarfout.c, dwarf2out.c: ...from here.
10073 * tree.h: Declare it.
10074 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
10075 * final.c (final_start_function): Do call remove_unnecessary_notes
10078 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
10080 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
10082 * cpplib.h (_dollar_ok): New macro.
10083 (is_idchar, is_idstart): Use it.
10084 (IStable): Rename to _cpp_IStable. Declare it const if
10085 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
10086 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
10087 is_space): Update for renamed IStable.
10089 * cppinit.c: Delete all references to FAKE_CONST and CAT
10090 macros. Define init_IStable as empty macro if gcc >=2.7 or
10091 C99. Change TABLE() to ISTABLE and hardcode name of table.
10092 (cpp_start_read): Don't change the IStable based on
10095 * cpphash.c (unsafe_chars): Add pfile argument. All callers
10096 changed. Handle '$' for char1 correctly.
10097 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
10099 * cppexp.c (tokentab2): Make const.
10100 (cpp_lex): Make toktab const.
10101 * cppinit.c (include_defaults_array): Make const.
10102 (initialize_standard_includes): Make default_include const.
10104 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
10106 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
10107 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
10108 (gen_decl_die): Likewise.
10109 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
10110 (output_decl): Likewise.
10112 * varasm.c (make_function_rtl): If we change the name used in the
10113 rtl, update DECL_ASSEMBLER_NAME accordingly.
10114 (make_decl_rtl): Likewise.
10116 * toplev.c (rest_of_compilation): Tweak formatting.
10118 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
10119 remove_unnecessary_notes.
10120 (debug_ignore_block): New fn.
10121 * toplev.h: Declare it.
10122 * emit-rtl.c (remove_unncessary_notes): Call it.
10123 * dwarf2out.c (dwarf2out_ignore_block): New fn.
10124 * dwarf2out.h: Declare it.
10125 * final.c (final_start_function): Don't call remove_unnecessary_notes
10126 if we did insn scheduling.
10128 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
10130 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
10131 * cpplib.h: Delete SET_CPP_PEDANTIC.
10133 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10135 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
10136 result is a RECORD_TYPE.
10138 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
10140 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
10142 2000-03-03 Richard Henderson <rth@cygnus.com>
10144 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
10145 addition over compliments over shifts.
10147 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10149 * reload1.c (reload_combine_note_use): Handle return register USEs.
10150 REG case: Handle multi-hard-register hard regs.
10152 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10154 * md.texi: Document use of '*' in insn pattern name.
10156 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
10158 * calls.c (special_function_p): operator new may not be malloc-like.
10160 * gcse.c (dump_hash_table): Really fix error in last change.
10162 2000-03-02 Denis Chertykov <denisc@overta.ru>
10164 * avr.c (print_operand): Use print_operand_address instead of
10166 * avr/libgcc.S: Cleanup code.
10168 2000-03-02 Richard Henderson <rth@cygnus.com>
10170 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
10172 2000-03-02 Mark Mitchell <mark@codesourcery.com>
10174 * tree.h (TYPE_ALIGN_UNIT): New macro.
10176 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
10178 * i386.c: (constant_call_address_operand): Reject CONST_INT.
10180 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
10182 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
10184 (SET_CPP_PEDANTIC): New macro.
10185 * cpplib.c (do_include): Don't bother checking system_header_p.
10186 (do_warning, do_ident, do_assert, do_unassert): Likewise.
10187 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
10189 * function.h (struct expr_status): Add x_arg_space_so_far.
10190 (arg_space_so_far): New macro.
10191 * expr.c (init_expr): Initialize it.
10192 * calls.c (emit_call_1): Reset it.
10193 (compute_argument_block_size, expand_call): Use it.
10194 (expand_call, store_one_arg): Increment it.
10196 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10198 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
10201 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
10203 * cppfiles.c (cpp_read_file): New function.
10205 * cpphash.c (collect_expansion): Make sure to reset last_token
10206 to NORM when we hit a string. Handle trailing whitespace
10207 properly when the expansion is empty.
10208 (create_definition): Disable line commands while parsing the
10210 (dump_definition): If pfile->lineno == 0, output a line
10211 command ahead of the dump, and add a trailing newline.
10213 * cppinit.c (append_include_chain): Add fifth argument, which
10214 indicates whether or not system headers are C++ aware.
10215 (initialize_standard_includes): New function,
10216 broken out of read_and_prescan. Pass 'cxx_aware' value from
10217 the include_defaults_array on to append_include_chain.
10218 (dump_special_to_buffer): Const-ify char array.
10219 (builtin_array): Don't dump __BASE_FILE__.
10220 (cpp_start_read): Use cpp_read_file. Reorder code for
10221 clarity. Don't output line commands here for -D/-A/-U
10222 switches. Don't call deps_output for files included with
10223 -include or -imacros.
10225 * cpplib.c (do_define): Don't pay any attention to the second
10227 (cpp_expand_to_buffer): Disable line commands while scanning.
10228 (output_line_command): Work in the file buffer.
10229 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
10230 Fix formatting of comments. Prototype cpp_read_file.
10232 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10234 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
10235 reference the language-equivalent of sizetype.
10236 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
10237 * fold-const.c (size_binop, size_diffop): Put back checks.
10238 * gcse.c (dump_hash_table): Fix minor error in last change.
10239 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
10240 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
10243 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
10245 * calls.c (expand_call) Do not attempt to combine stack adjustments
10246 with inhibit_defer_pop set.
10248 2000-03-01 Mark Mitchell <mark@codesourcery.com>
10250 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
10251 the DECL_SIZE for a FIELD_DECL.
10253 2000-03-01 Bruce Korb <bkorb@gnu.org>
10255 * fixinc/inclhack.tpl: remove unused symlinks
10256 * fixinc/README: GCC Maintainer info
10257 * fixinc/inclhack.sh: regen
10258 * fixinc/fixincl.sh: regen
10260 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
10262 * cpphash.c (collect_expansion): Trim trailing white space
10263 from macro definitions, but don't go past the last insertion
10266 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
10268 * i386.md (mulqi3): New pattern.
10270 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
10272 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
10274 (struct cpp_reader): Add parsing_if_directive and
10275 parsing_define_directive flags.
10276 (struct cpp_options): Remove output_conditionals flag.
10277 (check_macro_name): Delete prototype.
10279 * cpphash.h (struct macrodef): Delete.
10280 (struct reflist): Separate from struct definition.
10281 (struct definition): Remove unused fields. Add column number.
10282 (create_definition): Returns a DEFINITION *. Takes a
10283 cpp_reader * and an int.
10285 * cpphash.c (SKIP_WHITE_SPACE): Delete.
10286 (PEEKC): Copy defn from cpplib.c.
10287 (rest_extension, REST_EXTENSION_LENGTH): Delete.
10289 (struct arglist): Simplify.
10290 (collect_expansion): Rewrite. Get tokens by calling
10291 cpp_get_token. Add more error checking.
10292 (collect_formal_parameters): New function, broken out of
10293 create_definition and reworked to use get_directive_token.
10294 (create_definition): All real work is now in collect_expansion
10295 and collect_formal_parameters. do_define handles finding the
10296 macro name. Return a DEFINITION, not a MACRODEF.
10297 (macroexpand): Replace bcopy with memcpy throughout. Replace
10298 character-at-a-time copy loop with memcpy and pointer increments.
10299 (compare-defs): d1->argnames / d2->argnames might be null.
10301 * cpplib.c (copy_rest_of_line): Delete function.
10302 (skip_rest_of_line): Do all the work ourselves.
10303 (skip_string): New function.
10304 (parse_string): Use skip_string.
10305 (get_macro_name): New function.
10306 (check_macro_name): Delete.
10307 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
10308 (cpp_skip_hspace): Use CPP_BUMP_LINE.
10309 (handle_directive): ICE if we're called on a macro buffer.
10310 (do_define): Determine macro name and type (funlike/objlike)
10311 here. Expunge all uses of MACRODEF.
10312 (cpp_push_buffer): Set line_base to NULL.
10313 (do_undef, read_line_number): Don't worry about getting a POP token.
10314 (eval_if_expression): Set/reset parsing_if_directive around
10315 cpp_parse_expr. Don't clear only_seen_white.
10316 (skip_if_group): Remove output_conditionals logic. Use
10318 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
10319 tokens under appropriate conditions.
10320 (cpp_unassert): Call do_unassert not do_assert. Oops.
10322 * cppexp.c (parse_defined): New function, break out of
10324 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
10325 ourselves, with cpp_defined.
10326 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
10328 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
10329 * gcc.dg/strpaste-2.c: New.
10331 2000-02-29 Mark Mitchell <mark@codesourcery.com>
10333 * fold-const.c (size_binop): Don't asert inputs are the same and
10334 have TYPE_IS_SIZETYPE set.
10335 (size_diffop): Likewise.
10337 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
10339 * dwarfout.c (output_block): Output abstract blocks even if they
10340 don't have TREE_ASM_WRITTEN set.
10342 * calls.c (emit_library_call): Check for null REG.
10344 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
10346 * c-decl.c (current_function_decl): Move to toplev.c.
10347 (init_decl_processing): Don't add current_function_decl as a ggc
10349 * dbxout.c (dbxout_symbol): Change return type to int.
10350 (dbxout_symbol_location, dbxout_syms): Likewise.
10351 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
10352 any locals. Use current_function_func_begin_label if set.
10353 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
10354 * dwarf2out.c (dwarf2out_begin_prologue): Set
10355 current_function_func_begin_label.
10356 * final.c (final_start_function): Reset it.
10357 * toplev.c (current_function_decl): Define it here.
10358 (current_function_func_begin_label): New variable.
10359 (main): Add both as ggc roots.
10360 * tree.h (current_function_func_begin_label): Declare.
10362 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10364 * gcse.c: Cleanups throughout: mostly white-space, but also
10365 some minor rearrangement of code.
10367 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
10369 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
10370 returns a PARALLEL. Use emit_group_load and use_group_regs
10372 (emit_library_call_value): Similarly.
10374 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
10375 * pa/quadlib.asm: Remove.
10376 * pa/quadlib.c: New file.
10378 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
10379 * configure: Rebuilt.
10381 2000-02-29 Philip Blundell <pb@futuretv.com>
10383 * config/arm/conix-elf.h: New file.
10384 * configure.in (arm*-*-conix*): New configuration.
10385 * configure: Regenerate.
10387 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
10389 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
10390 don't have TREE_ASM_WRITTEN set.
10392 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10394 * Eliminate DECL_FIELD_SIZE.
10395 * builtins.c (built_in_class_names, built_in_names): New variables.
10396 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
10397 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
10398 DECL_SIZE, not DECL_FIELD_SIZE.
10399 * print-tree.c (print_node): Remove code that prints extra blank
10400 lines in some cases.
10401 Properly handle inline and builtin function cases.
10402 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
10403 * tree.h (built_in_class_named, built_in_names): New declarations.
10404 (union tree_decl): Rename internal unions to u1 and u2 and change
10405 some of their components.
10406 Add new field built_in_class.
10407 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
10408 Reflect above changes.
10409 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
10410 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
10411 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
10412 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
10414 2000-02-28 Dmitri Makarov <dim@windriver.com>
10416 * extend.texi: Document ARM's support for long/short calls.
10418 * invoke.texi: Document ARM's -mlong-calls command line switch.
10420 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
10421 (arm_encode_call_attribute): Add prototype.
10422 (arm_set_default_type_attribute): Add prototype.
10423 (arm_strip_name_encoding): Add prototype.
10425 * config/arm/arm.c (arm_init_cumulative_args): replace
10426 initialisation og 'long_calls' field with initialisation of
10427 'call_cookie' field.
10428 (enum arm_pragma_enum): New enum.
10429 (arm_pragma_long_calls): New static variable.
10430 (arm_process_pragma): Also process "#pragma long_calls_off".
10431 (arm_valid_type_attribute_p): Accept short_call attribute.
10432 (arm_comp_type_attributes): Check long/short call attributes.
10433 (arm_encode_call_attribute): New function: Encode long_call
10434 or short_call attribute in function name.
10435 (arm_set_default_type_attributes): New function: Assign
10436 default attributes to newly defined type.
10437 (current_file_function_operand): New function: Return true if
10438 the symbol is a function which has already been compiled.
10439 (arm_is_longcall_p): New function: Return true if the
10440 indicated function should be called via a long call.
10441 (arm_get_strip_length): New function. Returns number of
10442 prefix characters to be stripped from a function's name.
10443 (arm_strip_name_encoding): New function. Strip prefix characters
10444 from a function's name.
10446 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
10447 with 'call_cookie'.
10448 (SHORT_CALL_FAG_CHAR): Define.
10449 (LONG_CALL_FAG_CHAR): Define.
10450 (ENCODED_SHORT_CALL_ATTR_P): Define.
10451 (ENCODED_LONG_CALL_ATTR_P): Define.
10452 (ARM_NAME_ENCODING_LENGTHS): Define.
10453 (STRIP_NAME_ENCODING): Define.
10454 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
10455 (ARM_ENCODE_CALL_TYPE): Define.
10456 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
10457 (ARM_DECLARE_FUNCTION_SIZE): Define.
10458 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
10460 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
10461 if a long call is needed.
10462 (call_value): Ditto.
10463 (call_symbol): Ditto.
10465 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
10466 ARM_DECLARE_FUNCTION_SIZE.
10468 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
10469 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
10470 (ARM_STRIP_NAME_ENCODING): Undefine.
10471 (STRIP_NAME_ENCODING): Undefine.
10472 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
10473 (ASM_DECLARE_FUNCTION_NAME): Ditto.
10474 (ASM_OUTPUT_COMMON): Ditto.
10475 (ASM_DECLARE_OBJECT_NAME): Ditto.
10477 * config/arm/pe.c (arm_dllexport_name_p): Check for
10479 (arm_dllimport_name_p): Ditto.
10480 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
10481 (arm_mark_dllimport): Ditto.
10483 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10485 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
10487 2000-02-28 Mark Mitchell <mark@codesourcery.com>
10489 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
10491 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
10493 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
10494 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
10495 NO_BUILTIN_WCHAR_TYPE is not defined.
10496 (CPP_WCHAR_TYPE): Delete.
10497 * cccp.c (main): Don't change wchar_type if cplusplus.
10498 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
10500 2000-02-28 Nick Clifton <nickc@cygnus.com>
10502 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
10504 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
10506 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
10507 (ASM_WEAKEN_LABEL): Define.
10509 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
10511 * expr.c (store_constructor): Do not emit USE.
10512 * rtl.h (stupid_life_analysis): Remove.
10514 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10516 * function.c (number_blocks): Reset next_block_index based on
10517 what debugging format is used, not what is defined.
10519 * lcm.c: Minor reformatting throughout.
10520 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
10522 * toplev.c (rest_of_compilation): Account for time in
10523 optimize_mode_switching.
10525 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
10526 if only marking labels.
10528 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
10530 * calls.c (expand_call): Attempt to combine stack adjustments with
10531 pending stack adjustments.
10533 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10535 * loop.c (reg_in_basic_block_p): Don't abort when falling through
10536 to the end of the function.
10538 2000-02-27 Mark Mitchell <mark@codesourcery.com>
10540 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
10542 * final.c (next_block_index): Remove.
10543 (max_block_depth): Likewise.
10544 (pending_blocks): Likewise.
10545 (init_final): Don't initialize them.
10546 (final_start_function): Don't set next_block_index. Set up
10548 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
10549 * function.h (number_blocks): New function.
10550 * function.c (get_block_vector): New function.
10551 (identify_blocks): Use it.
10552 (reorder_blocks): Set NOTE_BLOCK.
10553 (number_blocks): New function.
10554 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
10555 * tree.h (BLOCK_NUMBER): New macro.
10556 (tree_block): Add block_num field.
10557 * dbxout.c (next_block_number): Remove.
10558 (dbxout_init): Don't set it.
10559 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
10560 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
10562 * toplev.c (rest_of_compilation): Always call
10563 find_loop_tree_blocks. Fix indentation.
10564 * dwarf2out.c (next_block_number): Remove.
10565 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
10566 to determine block numbers.
10567 (gen_inlined_subroutine_die): Likewise.
10568 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
10569 (decls_for_scope): Don't increment next_block_number.
10570 * dwarfout.c (next_block_number): Remove.
10571 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
10572 to determine block numbers.
10573 (output_inlined_subroutine_die): Likewise.
10574 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
10575 (output_decls_for_scope): Don't increment next_block_number.
10576 * sdbout.c (next_block_number): Remove.
10577 (sdbout_block): Use BLOCK_NUMBER.
10578 (sdbout_begin_block): Simplify.
10579 * xcoffout.c (next_block_number): Remove.
10580 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
10581 (xcoffout_begin_block): Don't set next_block_number.
10582 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
10585 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10587 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
10588 (expand_builtin_strcpy): Pass correct type to size_binop.
10589 (expand_builtin_strcmp): Likewise.
10590 Clean up conditional structure.
10591 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
10592 (complete_array_type): Don't use size_binop for MAXINDEX.
10593 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
10594 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
10595 (c_alignof): Use size_one_node.
10596 (build_unary_op): Pass arg of proper type to size_binop.
10597 (really_start_incremental_init, push_init_level): Use sizetype for
10598 constructor{,_bit,_unfilled}_index.
10599 (pop_init_label, output_init_element): Likewise.
10600 (output_pending_init_elements, process_init_element): Likewise.
10601 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
10602 * expr.c (store_expr): Use size_int.
10603 (store_constructor): Use proper types for size_binop args.
10604 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
10605 (expand_expr_unaligned): Likewise.
10606 (string_contant): Return object of sizetype.
10607 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
10608 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
10609 (ARGS_SIZE_TREE): Pass proper types to size_binop.
10610 * fold-const.c (int_const_binop): Refine when size_int is called.
10611 (fold_convert): Likewise.
10612 (size_int_wide): Rework to take KIND as arg, only take low order
10613 bits, handle new sizetype_tab datatype, and chain entries in
10615 (size_int_type_wide): New function.
10616 (size_binop): Validate types of arguments.
10617 (ssize_binop): Deleted.
10618 (size_diffop): New function.
10619 (extract_muldiv): Only fold division into multiplication for sizetypes.
10620 * function.c (assign_parms): Use size_diffop and make sure
10621 VAR field is of ssizetype; also pass proper type to size_binop.
10622 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
10623 (round_down): Deleted from here.
10624 * store-layout.c (sizetype_tab): Now an array.
10625 (sizetype_set, early_root_list): New variables.
10626 (variable_size): Use size_one_node.
10627 (round_up): Pass proper type to size_binop.
10628 (round_down): Moved to here and corrected as above.
10629 (layout_record): Pass proper arg types to size_binop.
10630 (layout_type): Likewise.
10631 If sizetype_set is zero, record the type just laid out.
10632 (make_unsigned_type): Don't call set_sizetype;
10633 (make_signed_type): Likewise; also, call fixup_signed_type.
10634 (initialize_sizetypes): New function.
10635 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
10636 set name of bitsizetype to "bit_size_type".
10637 Fix up type of sizes of all types made before call.
10638 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
10639 * tree.c (fix_sizetype): Deleted.
10640 (build_common_tree_nodes): Call initialize_sizetypes.
10641 (build_common_tree_nodes_2): Don't call fix_sizetype.
10642 * tree.h (TYPE_IS_SIZETYPE): New macro.
10643 (initialize_sizetype): New declaration.
10644 (enum size_type_kind): New type.
10645 (struct sizetype_tab): Deleted.
10646 (sizetype_tab): Now array; adjust sizetype macros.
10647 (size_diffop, size_int_type_wide): New functions.
10648 (size_int_wide): Change number of args and type; access macros changed.
10649 (ssize_int, sbitsize_int): New macros.
10650 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
10651 (ROUND_TYPE_SIZE_UNIT): New macro.
10653 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
10655 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
10657 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10659 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
10660 Mark as possibly unused.
10662 * cse.c (cse_insn): Delete dead code involving tablejump.
10663 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
10665 * Makefile.in (libcpp.a): Start by deleting it.
10667 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10669 * cpplib.h (enum file_change_code): Added rename_file.
10670 * cpplib.c (do_line): If a filename is given, set file_change to
10672 (output_line_command): If file_change is rename_file, always
10673 output a # directive with the file name.
10675 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
10677 2000-02-26 Mark Mitchell <mark@codesourcery.com>
10679 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
10680 when copying a PARM_DECL or RESULT_DECL.
10682 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10684 * fix-header.c (recognized_function): Also fix prototypes for
10685 functions taking "void".
10687 2000-02-26 Geoff Keating <geoffk@cygnus.com>
10689 * reload1.c (do_output_reload): Check reg_reloaded_valid before
10690 looking at reg_reloaded_contents.
10692 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
10694 * Makefile.in (STMP_FIXINC): New toggle.
10695 (LIBGCC2_DEPS): Delete all references.
10696 (stmp-headers): Delete target. All references either deleted
10697 or changed to stmp-int-headers.
10698 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
10699 (LIBCPP_OBJS): Take out cppalloc.o.
10700 (cppalloc.o): Delete target.
10701 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
10702 (gen-protos, fix-header): Link with libiberty.a.
10703 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
10706 * configure.in: Remove refs to strerror.
10707 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
10708 * system.h: Take out strerror stanza.
10710 * cpperror.c (my_strerror): Delete function.
10711 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
10712 * cppmain.c (main): Call xmalloc_set_program_name first thing.
10713 * cppalloc.c: Delete file.
10714 * gen-protos.c: Don't provide xrealloc.
10716 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
10717 xstrerror throughout.
10719 2000-02-26 Bruce Korb <bkorb@gnu.org>
10721 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
10722 match for DOS headers, too.
10723 * fixinc/inclhack.sh,fixincl.x: Regenerate.
10725 2000-02-26 Geoff Keating <geoffk@cygnus.com>
10727 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
10728 is right for most ELF targets.
10729 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
10730 Let the default file use %U properly.
10731 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
10734 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
10737 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10739 * toplev.c (documented_lang_options): Correct spelling error.
10740 (decode_d_option, decode_f_option, main): Likewise.
10742 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
10744 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
10745 to tell assembler it is permitted to expand large constants.
10747 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
10749 * protoize.c: (AUX_INFO_SUFFIX): New macro.
10750 (aux_info_suffix): Use.
10751 (SAVE_SUFFIX): New macro.
10752 (save_suffix): Use.
10753 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
10754 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
10755 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
10757 * invoke.texi (Running Protoize): Update documentation.
10759 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
10761 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
10763 2000-02-25 John Wehle (john@feith.com)
10765 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
10767 2000-02-25 Anthony Green <green@cygnus.com>
10769 * toplev.c (rest_of_compilation): Rebuild jump labels if
10770 combine_instructions has created a new direct jump.
10771 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
10773 (combine_instructions): Call try_combine with new argument.
10774 Return non-null value when new direct jump instruction is created.
10775 * rtl.h: combine_instructions returns an int.
10777 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
10779 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
10780 jump when changing a computed jump into a jump to a known
10783 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
10785 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
10786 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
10788 * i386.md (define_expand "clrstrsi"): Fix typo.
10790 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
10792 * rtl.texi: Fix typo.
10794 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10796 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
10797 UNITS_PER_WORD. Change caller initial_elimination_offset.
10798 (rounded_frame_size): Take into account that argument pushed has
10799 changed. Fix TARGET_ALIGN_DOUBLE problem.
10801 2000-02-25 Geoff Keating <geoffk@cygnus.com>
10803 * haifa-sched.c (schedule_block): Explain the real reason
10804 we delete REG_SAVE_NOTEs on the first insn of a block.
10805 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
10807 2000-02-24 Mark Mitchell <mark@codesourcery.com>
10809 * input.h (push_srcloc): New function.
10810 (pop_srcloc): Likewise.
10811 * toplev.c (push_srcloc): Define it.
10812 (pop_srcloc): Likewise.
10814 2000-02-24 Richard Henderson <rth@cygnus.com>
10816 * flow.c (life_analysis): When collecting reg info, clear
10819 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10821 Fix bug exposed by reload.c no longer rounding the frame
10822 size to BIGGEST_ALIGNMENT:
10823 * sh.c (rounded_frame_size): New function.
10824 (sh_expand_prologue, sh_expand_epilogue): Use it.
10825 (initial_elimination_offset): Likewise.
10827 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10829 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
10830 * sh-protos.h (sh_need_epilogue): Declare.
10831 * sh.c (sh_need_epilogue_known): New static variable.
10832 (sh_need_epilogue): New function.
10833 (function_epilogue): Clear need_epilogue_known.
10834 * sh.md (return): Split into expander / insn pattern.
10835 Make the expander conditional on ! sh_need_epilogue ().
10837 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
10839 * machmode.h (get_mode_alignment): Declare.
10840 (GET_MODE_ALIGNMENT): Call it.
10841 * stor-layout.c (get_mode_alignment): New function. Make
10842 sure alignment is always power of 2.
10844 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
10846 * i386.h: Remove useless definition of "I386" and misleading
10849 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
10851 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
10852 under which TREE_PERMANENT will be set.
10853 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
10854 build1): Use TREE_SET_PERMANENT.
10855 * print-tree.c (print_node): Don't report value of
10856 TREE_PERMANENT if ggc_p is true.
10858 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
10859 decide whether to give a type a new alias set.
10860 * objc/objc-act.c (build_objc_string_object): Never copy the string.
10861 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
10862 of value of 'obstack'.
10865 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10867 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
10869 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10871 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
10872 * cpplib.c (cpp_get_token): Produce them.
10873 * cppexp.c (cpp_lex): Handle them.
10875 2000-02-23 Nick Clifton <nickc@cygnus.com>
10877 * config/arm/arm.c (arm_comp_type_attributes): Simply and
10878 comment tests on type attributes.
10880 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10882 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
10883 conform to documentation.
10884 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
10885 to check for special cases.
10886 * sh-protos.h (sh_loop_align): Declare.
10887 * sh.c (sh_loop_align): Define.
10889 2000-02-22 Andrew Haley <aph@cygnus.com>
10891 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
10892 (SIZE_TYPE): Is 32 bits when using -mgp32.
10893 (PTRDIFF_TYPE): Ditto.
10895 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10897 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
10899 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
10901 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
10902 BIGGEST_FIELD_ALIGNMENT a constant.
10904 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
10906 * dwarf2out.c (output_line_info): Put the marker for the end of
10907 the line number info at the actual end.
10908 (gen_struct_or_union_type_die): Use decl_function_context
10909 to check for local classes.
10910 * dwarfout.c (output_type): Likewise.
10912 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
10914 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
10915 for arguments with a mode, but no type.
10916 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
10917 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
10918 * pa/long_double.h: New file.
10919 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
10920 both have 128bit wide long doubles.
10921 * configure: Rebuilt.
10923 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10925 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
10927 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
10928 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
10929 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
10931 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
10933 * integrate.c (compare_blocks, find_block): Likewise.
10935 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
10937 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
10939 * stmt.c (stmt_status, set_file_and_line_for_stmt,
10940 expand_asm_operands): Likewise.
10942 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
10944 * predict.c (estimate_probability): Added the pointer heuristic to
10945 the collection of static branch predictors.
10947 2000-02-21 Catherine Moore <clm@cygnus.com>
10949 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
10950 * invoke.texi (-mfix7000): Document.
10952 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
10954 * diagnostic.c (init_output_buffer): Make it possible to output at
10955 least 32 characters if we're given a too long prefix.
10957 2000-02-20 Mark Mitchell <mark@codesourcery.com>
10959 * varasm.c (initializer_constant_valid_p): Call
10960 lang_expand_constant to simplify the constant.
10962 2000-02-20 Bruce Korb <bkorb@gnu.org>
10964 * fixinc/inclhack.def(stdio_va_list):
10965 typedef needs to be disabled.
10966 * fixinc/inclhack.sh: regen
10967 * fixinc/fixincl.x: regen
10969 2000-02-20 Geoff Keating <geoffk@cygnus.com>
10971 * print-rtl.c (print_rtx): Don't print addresses when
10972 flag_dump_unnumbered.
10974 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10976 * sparc.c (sparc_output_scratch_registers): Mark parameter with
10978 (sparc_va_arg, sparc_flat_output_function_prologue,
10979 sparc_flat_output_function_epilogue): Cast value to unsigned in
10981 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
10983 * sparc.md: Add default case in switch.
10985 2000-02-19 Richard Henderson <rth@cygnus.com>
10987 * c-typeck.c (add_pending_init): Don't abort for multiple
10988 fields at the same offset.
10989 (pending_init_member): Test the correct member.
10991 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10993 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
10995 (start_catch_handler) : Same.
10997 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
10999 * Makefile.in: Have flow.o depend on $(EXPR_H)
11001 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11003 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
11004 * c-decl.c (duplicate_decls, finish_enum): Likewise.
11005 (finish_decl): Remove -Wlarger-than code from here.
11006 * flags.h (id_clash_len): Now int.
11007 (larger_than_size): Now HOST_WIDE_INT.
11008 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
11009 Clean up checking to see if in table.
11010 (make_bit_field_ref): Remove extra parm to bitsize_int.
11011 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
11012 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
11013 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
11014 and for computing size of decl.
11015 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
11016 Move -Wlarger-than code to here.
11017 (layout_record): Remove extra arg to bitsize_int.
11018 Set TYPE_BINFO_SIZE_UNIT.
11019 (layout_union): Remove extra arg to bitsize_int.
11020 Use proper type for size of QUAL_UNION.
11021 (layout_type): Remove extra arg to bitsize_int.
11022 * toplev.c (id_clash_len): Now int.
11023 (larger_than_size): Now HOST_WIDE_INT.
11024 (decode_W_option): Clean up id-clash and larger-than- cases.
11025 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
11026 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
11027 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
11028 (struct tree_decl): New field size_unit.
11029 (size_int_wide): No HIGH operand; NUMBER is now signed.
11030 (size_int_2): Deleted.
11031 (size_int, bitsize_int): Don't use it and rework args.
11032 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
11034 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
11036 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
11038 2000-02-18 Geoff Keating <geoffk@cygnus.com>
11040 * invoke.texi (Warning Options): Add an explanation of why
11041 you might want the -Wfloat-equal flag.
11043 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11045 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
11046 * cppinit.c (new_pending_define): Add cast to avoid warning.
11047 * expmed.c (extract_bit_field): Likewise.
11048 * flow.c (enum reorder_skip_type): New type.
11049 (skip_insns_between_blcok): New it.
11050 Rework to avoid warning about possibly undefined variable.
11051 * function.c (assign_parms): Make thisparm_boundary unsigned.
11052 * genrecog.c (write_switch): Cast XWINT result to int.
11053 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
11054 * mips-tfile.c (init_file): Make two versions of FDR intializer:
11055 one for MIPS and one for Alpha.
11056 (get_tag, copy_object): Add casts to avoid warnings.
11057 * optabs.c (init_one_libfunc): Cast NAME to (char *).
11058 * reload.c (find_reloads): Make TYPE enum reload_type.
11059 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
11060 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
11061 * varasm.c (compare_constant_1): Add cast to avoid warning.
11062 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
11064 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
11065 Cast switch operand of size to int.
11066 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
11067 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
11070 2000-02-18 Nick Clifton <nickc@cygnus.com>
11072 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
11073 anything for an alignment of zero.
11075 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
11076 anything for an alignment of zero.
11078 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
11080 * gcc.texi (Bug Reporting): Refer to bugs.html.
11081 (Bug Lists): Likewise.
11082 * system.h (GCCBUGURL): New preprocessor define.
11083 * rtl.c (fancy_abort): Use it.
11084 * gcc.c (main): Likewise.
11086 2000-02-18 Richard Henderson <rth@cygnus.com>
11088 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
11089 (life_analysis_1): Subsume into ...
11090 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
11091 Use update_life_info for the relaxation.
11092 (update_life_info): Update REG_BASIC_BLOCK for registers live on
11093 entry and regs_live_at_setjmp.
11094 (set_noop_p): Simplify.
11095 (notice_stack_pointer_modification_1): Renamed from s/_1//.
11096 (record_volatile_insns): Split into ...
11097 (delete_noop_moves): ... here,
11098 (notice_stack_pointer_modification): ... here,
11099 (insn_dead_p): ... and here.
11100 (propagate_block): Don't query INSN_VOLATILE.
11101 (mark_used_regs): Mind !PROP_REG_INFO.
11102 * toplev.c (rest_of_compilation): Call mark_constant_function here,
11103 not in life_analysis.
11105 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
11107 * loop.c (canonicalize_condition): New function,
11108 broken out of get_condition.
11109 (get_condition): Use it.
11110 * expr.h (canonicalize_condition): Prototype it.
11112 * tree.h (tree_int_cst_msb): Declare.
11113 * tree.c (tree_int_cst_msb): New function.
11115 2000-02-17 Mark Mitchell <mark@codesourcery.com>
11117 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
11120 * invoke.texi (-fmessage-length=n): Document.
11122 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
11124 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
11126 2000-02-17 Mark Mitchell <mark@codesourcery.com>
11128 * function.c (thread_prologue_and_epilogue_insns): Put a line note
11129 after the prologue.
11131 2000-02-17 Nick Clifton <nickc@cygnus.com>
11133 * config/arm/thumb.c: Replace includes of system headers with
11134 #include "system.h".
11136 2000-02-16 Richard Henderson <rth@cygnus.com>
11138 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
11139 Add crtbeginS.o and crtendS.o.
11140 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
11141 (ENDFILE_SPEC): Use crtendS.o.
11142 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
11144 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
11145 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
11146 shared and present.
11147 (__dso_handle): New variable.
11148 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
11149 bias to __CTOR_END__.
11151 2000-02-16 Richard Henderson <rth@cygnus.com>
11153 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
11155 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
11157 * longlong.h (__clz_tab): Declare as static to match definition.
11159 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
11161 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
11162 (XREF_FILE_NAME): Define.
11164 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
11165 (EH_FRAME_SECTION_ASM_OP): Define.
11166 (IDENT_ASM_OP): Define.
11167 (TEXT_SECTION_ASM_OP): Define.
11168 (CPP_SPEC): Define.
11169 (CTORS_SECTION_ASM_OP): Define.
11170 (CTOR_SECTION_FUNCTION): Use it.
11171 (DTORS_SECTION_ASM_OP): Define.
11172 (DTOR_SECTION_FUNCTION): Use it.
11174 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
11176 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
11179 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
11180 debug_bb_n): New functions.
11181 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
11182 * basic-block.h: Prototype new functions.
11184 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
11186 * configure.in: Add support for avr target.
11187 * configure: Rebuilt.
11189 * invoke.texi: Add AVR invocation docs.
11190 * install.texi: Add information about AVR.
11191 * md.texi: Add AVR constraint letters description.
11192 * extend.texi: Add description for AVR specific attributes.
11194 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
11196 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
11198 2000-02-16 Nick Clifton <nickc@cygnus.com>
11200 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
11201 (make_insn_raw): Move RTL check here.
11203 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11205 * version.c: Include gansidecl.h and version.h.
11207 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
11209 * configure.in (gcc_version): When setting, narrow search to
11210 lines containing `version_string'.
11212 * Makefile.in (mainversion): Likewise.
11213 (GCC_H): New variable.
11214 (gcc.h): Delete target.
11215 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
11216 (version.o): Depend on version.h.
11217 (dbxout.o): Don't depend on gcc.h.
11219 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
11220 Michael Meissner <meissner@cygnus.com>
11222 * md.texi (Simple Constraints): Add item about whitespace.
11223 * genoutput.c (strip_whitespace): New.
11224 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
11225 strip_whitespace for constraints.
11226 Test pointer using NULL, not 0.
11228 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11230 * cpplib.c (do_line): Pedwarn for #line > 32767.
11232 * c-lex.c (readescape): Warn about '\x', but do not reject it.
11234 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
11236 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
11237 to default cpp spec.
11238 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
11239 * cpp.texi: Document __GNUC_PATCHLEVEL__.
11242 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
11245 2000-02-15 Denis Chertykov <denisc@overta.ru>
11247 * configure.in: Add support for avr target.
11249 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11251 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
11252 (sh_addr_diff_vec_mode): Don't declare.
11253 * sh.c (sh_addr_diff_vec_mode): Delete.
11255 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11257 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
11259 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11261 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
11262 (smulsi3_highpart_i): Name.
11263 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
11264 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
11265 (smulsi3_highpart, umulsi3_highpart): Likewise.
11267 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
11268 correctly independent of endianness.
11269 (mulsidi3, umulsidi3): Now define_insn. Hide details that
11270 confuse the optimizers.
11271 (mulsidi3+1, umulsidi3+1): New define_split.
11273 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
11275 * config/sh/sh.md: Guard insn splits against illegal registers.
11276 * config/sh/sh.h: Correct comment about macros.
11278 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11279 Andrew MacLeod <amacleod@cygnus.com>
11281 * Makefile.in (lcm.o): Depend on insn-attr.h.
11282 * basic-block.h (optimize_mode_switching): Declare.
11283 * lcm.c (tm_p.h, insn-attr.h): #include.
11284 (seginfo, bb_info): New structs.
11285 (antic, transp, comp, delete, insert) : New file-scope static variables.
11286 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
11287 (reg_becomes_live, optimize_mode_switching): Likewise.
11288 * tm.texi: Add description of mode switching macros.
11289 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
11291 * sh-protos.h (remove_dead_before_cse): Remove prototype.
11292 (fldi_ok, fpscr_set_from_mem): New prototypes.
11293 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
11294 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
11295 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
11296 (sh_flag_remove_dead_before_cse): Remove declaration.
11297 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
11298 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
11299 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
11300 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
11301 (barrier_align): Allow for JUMP_INSNS containing a parallel.
11302 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
11303 (fldi_ok): New function.
11304 (get_fpscr_rtx): Add fpscr_rtx as GC root.
11305 (emit_sf_insn): Only generate fpu switches when optimize < 1.
11306 (emit_df_insn): Likewise.
11307 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
11308 (sh_flag_remove_dead_before_cse): Delete.
11309 (get_free_reg, fpscr_set_from_mem): New functions.
11310 * sh.md (movdf, movsf): Remove no_new_pseudos code.
11311 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
11313 2000-02-15 Loren Rittle <ljrittle@acm.org>
11315 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
11317 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11319 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
11320 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
11322 * cccp.c: Include version.h and/or don't declare `version_string'.
11323 * collect2.c: Likewise.
11324 * alpha.c: Likewise.
11325 * arm/aof.h: Likewise.
11326 * arm/coff.h: Likewise.
11327 * arm/elf.h: Likewise.
11328 * arm/pe.h: Likewise.
11329 * arm/tcoff.h: Likewise.
11330 * arm/telf.h: Likewise.
11331 * arm/tpe.h: Likewise.
11332 * arm/vxarm.h: Likewise.
11333 * convex/convex.c: Likewise.
11334 * i386/dgux.c: Likewise.
11335 * i386/sun386.h: Likewise.
11336 * m88k/m88k.c: Likewise.
11337 * mcore/mcore-pe.h: Likewise.
11338 * mips/mips.h: Likewise.
11339 * romp/romp.h: Likewise.
11340 * sh/sh.c: Likewise.
11341 * cpphash.c: Likewise.
11342 * cppinit.c: Likewise.
11343 * dwarf2out.c: Likewise.
11344 * dwarfout.c: Likewise.
11347 * mips-tfile.c: Likewise.
11348 * protoize.c: Likewise.
11349 * toplev.c: Likewise.
11350 * tree.h: Likewise.
11352 * version.c (version_string): Constify a char*.
11354 * version.h: New file.
11356 2000-02-14 Nick Clifton <nickc@cygnus.com>
11358 * configure.in: Add mcore-elf and mcore-pe targets.
11359 * configure: Regenerate.
11361 * NEWS: Add note that MCore port has been contributed.
11363 * invoke.texi: Document command line switches for MCore port.
11364 * install.texi: Add MCore to list of supported targets.
11366 2000-02-14 Geoff Keating <geoffk@cygnus.com>
11368 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
11369 then we will need to import the frame handling functions.
11370 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
11371 to import the frames themselves.
11373 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
11374 Jason Eckhardt <jle@cygnus.com>
11376 * basic_block.h: Added prototype for reorder_basic_blocks.
11377 * toplev.c: Changes to add -freorder-blocks and graph dump after
11378 block reordering is done.
11379 * flow.c (reorder_block_def): New structure for use during block
11381 (REORDER_BLOCK_*): New macros to access members of above structure.
11382 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
11383 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
11384 functions for block reordering.
11386 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
11388 * gcc.texi (Passes): Fix typo.
11389 * md.texi (Standard Names): Ditto.
11390 * tm.texi (Storage Layout): Ditto.
11392 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
11394 * cpplib.c (do_define): Only free the old definition if it
11397 2000-02-13 Neil Booth <NeilB@earthling.net>
11399 * cppfiles.c (read_and_prescan): When emitting deferred
11400 newlines, test speccase[] again instead of checking each
11401 possible whitespace character in turn. When we encounter \r,
11402 look behind for \n first, then ahead.
11404 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
11406 * cse.c (cse_altered): New internal flag.
11407 (cse_insn): Set it if we changed an insn.
11408 (cse_main): Clear cse_altered before each basic block.
11409 Only garbage collect if cse_altered is true afterward.
11411 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11413 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
11415 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
11417 * combine.c (simplify_comparison): Fix typo.
11419 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
11421 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
11424 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11426 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
11427 previously inserted node instead of root node. Caller changed.
11429 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11431 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
11433 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11435 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
11436 __dereg_frame_dtor): Add prototype argument.
11438 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
11440 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
11442 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
11444 * gthr-vxworks.h (__gthread_once): Likewise.
11446 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
11448 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
11450 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
11451 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
11452 stack pointer in functions w/o saved registers, output LEAVE more often
11453 on TARGET_USE_LEAVE machines.
11455 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
11457 * config/arm/arm.c (arm_init_cumulative_args); New function:
11458 Initlaise the CUMULATIE_ARGS strcuture for a function
11460 (arm_function_arg): New function: Determine where to place a
11461 function's argument. Also handles deciding the function's
11463 (current_file_function_operand): New function: Return true if
11464 the symbol is a function which has already been compiled.
11465 (arm_is_long_call_p): New function: Return true if the
11466 indicated function should be called via a long call.
11467 (arm_valid_type_attribute_p): New function: Return true if the
11468 attribute is a valid, arm specific, attribute.
11469 (arm_comp_type_attribute): New function: Return true if the
11470 two types have compatable, arm specific, attributes.
11472 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
11474 (FUNCTION_ARG): Redefine to call arm_function_arg.
11475 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
11477 (INIT_CUMULATIVE_ARGS): Redefine to call
11478 arm_init_cumulative_args.
11479 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
11481 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
11483 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
11485 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
11486 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
11487 (COMP_TYPE_ATTRIBUTES): Define.
11489 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
11490 if a long call is needed.
11491 (call_value): Call arm_is_long_call_p to decide if a long call
11493 (call_symbol): Call arm_is_long_call_p to decide if a long call
11496 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
11498 2000-02-11 Denis Chertykov <denisc@overta.ru>
11500 * README.AVR: New file with information about the avr ports.
11501 * config/avr: New directory with avr port files.
11503 2000-02-11 Andreas Jaeger <aj@suse.de>
11505 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
11507 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
11509 * cpphash.c: Fix formatting, update commentary.
11510 (dump_definition): Take three separate arguments instead of a
11511 MACRODEF structure argument.
11512 * cpphash.h: Update prototype of dump_definition.
11513 * cppinit.c (cpp_finish): Update call of dump_definition.
11515 * cpplib.c (do_define): Always create new hash entry with
11516 T_MACRO type. Remove redundant check for redefinition of
11517 poisoned identifier. Update call of dump_definition.
11518 (do_undef): Don't call check_macro_name. Rename sym_length to
11520 (do_error, do_warning): Don't use copy_rest_of_line or
11522 (do_warning): Don't use pedwarn for the actual warning,
11523 only the notice about its not being in the standard. (Fixes
11524 bug with #warning in system headers.)
11525 (do_ident): Stricter argument checking - accept only a single
11526 string after #ident. Also, macro-expand the line.
11527 (do_xifdef): Use cpp_defined. De-obfuscate.
11529 (do_pragma): Split out specific pragma handling to separate
11530 functions. Use get_directive_token. Update commentary. Do
11531 not pass on #pragma once or #pragma poison to the front end.
11532 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
11533 do_pragma_default): New.
11535 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
11537 * jump.c (jump_optimize_1): The first operand in a relational
11538 can be a CONST_INT.
11539 * optabs.c (emit_conditional_move): Handle relationals which
11540 have a known true/false result.
11542 2000-02-11 Geoff Keating <geoffk@cygnus.com>
11544 * function.c (thread_prologue_and_epilogue_insns): Don't insert
11545 a RETURN insn into a block which already ends with a jump.
11547 2000-02-11 Geoff Keating <geoffk@cygnus.com>
11549 * haifa-sched.c (BUF_LEN): Increase a lot.
11551 2000-02-11 Nick Clifton <nickc@cygnus.com>
11553 * configure.in: Add tm_p_file specification for thumb targets.
11554 * configure: Regenerate.
11556 * config/arm/thumb-protos.h: New file: Prototypes for exported
11557 functions defined in thumb.c.
11559 2000-02-11 Robert Lipe <robertl@sco.com>
11561 * Makefile.in (bootstrap-lean): Remove additional files.
11562 (bootstrap2-lean): Likewise.
11563 (VOL_FILES): List of files for above.
11565 2000-02-11 Nathan Sidwell <nathan@acm.org>
11567 * cpphash.c (special_symbol): Remove spurious argument to
11570 2000-02-11 Joel Sherrill (joel@OARcorp.com>
11572 * configure.in: (i*86-*-rtems*): Swapped elf and coff
11574 * configure: Rebuilt.
11576 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
11578 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
11580 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
11582 * pa.c, pa.h: Remove trigraph sequences within comments.
11584 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
11586 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
11588 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
11590 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
11592 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11594 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
11596 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11598 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
11599 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
11600 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
11601 (ASM_FILE_END): Use c4x_file_end.
11602 * config/c4x/c4x.c (c4x_global_label): New function.
11603 (c4x_external_ref, c4x_file_end): Likewise.
11605 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
11606 (c4x_external_ref, c4x_end_file): Likewise.
11608 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
11610 * cppexp.c: Don't include cpphash.h.
11611 (parse_charconst, cpp_lex): Use cpp_defined.
11612 (cpp_lex): Use get_directive_token throughout. Remove
11613 unnecessary cases from switch. Move assertion-handling code
11614 down to OTHER case.
11615 (cpp_parse_expr): If we see '+' or '-', check the context to
11616 determine if they are unary or binary operators. Streamline
11617 the jumps a bit. Do not call skip_rest_of_line.
11619 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
11620 static. Export get_directive_token. Update commentary.
11621 (cpp_defined): New function.
11622 (do_define): Remove reference to T_PCSTRING. Call
11623 free_definition to release memory for old definition, when
11624 redefining a macro.
11625 (eval_if_expression): Set only_seen_white to 0 before calling
11626 cpp_parse_expr. Call skip_rest_of_line after it returns.
11627 (cpp_read_check_assertion): Don't preserve a pointer into the
11628 token buffer across a call to cpp_get_token.
11630 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
11631 * cppfiles.c (redundant_include_p): Use cpp_defined.
11632 * cpphash.c (free_definition): New function.
11633 (delete_macro): Use it. Update commentary.
11634 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
11636 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
11637 from enum node_type. Prototype cpp_defined and get_directive_token.
11638 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
11640 * fix-header.c (check_macro_names): Use cpp_defined.
11641 (read_scan_file): Set inhibit_warnings and inhibit_errors in
11642 the options structure.
11644 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11646 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
11648 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
11650 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
11651 rather than die->die_tag.
11653 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11655 * combine.c (make_extraction, force_to_mode): Avoid warning on
11656 mixed-signedness conditionals.
11657 (make_field_assignment, nonzero_bits): Likewise.
11658 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
11659 (store_split_bit_field, extract_split_bit_field): Likewise.
11660 (extract_fixed_bit_field, store_bit_field,
11661 * expr.c: Change alignment to be unsigned everywhere.
11662 (move_by_pieces, store_constructor_field, store_constructor):
11663 Alignment parm is unsigned.
11664 (emit_block_move, emit_group_load, emit_group_store): Likewise.
11665 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
11666 (do_compare_rtx_and_jump): Likewise.
11667 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
11668 Compare align with GET_MODE_ALIGNMENT.
11669 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
11670 (get_inner_reference): Likewise.
11671 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
11672 (expand_assignment): Local vars for alignment now unsigned.
11673 (store_constructor, store_field, expand_expr, do_jump): Likewise.
11674 (do_compare_and_jump): Likewise.
11675 (store_field): Call new function expr_align.
11676 * expr.h (emit_block_move, emit_group_load, emit_group_store):
11677 Alignment arg now unsigned.
11678 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
11679 (do_compare_rtx_and_jump, store_bit_field): Likewise.
11680 (extract_bit_field): Likewise.
11681 * fold-const.c (add_double): Add cast to eliminate signedness warning.
11682 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
11683 (get_best_mode): Alignment arg is unsigned.
11684 * rtl.h (move_by_pieces): Likewise.
11685 * store-layout.c (maximum_field_alignment, set_alignment):
11687 (layout_decl): Alignment arg is now unsigned.
11688 Remove unneeded casts.
11689 (layout_record, layout_union, layout_type): Remove unneeded casts.
11690 Local alignment variables now unsigned.
11691 (get_best_mode): Alignment arg now unsigned.
11692 * tree.c (expr_align): New function.
11693 * tree.h (expr_align): Likewise.
11694 (maximum_field_alignment, set_alignment): Now unsigned.
11695 (get_inner_reference): Alignment argument is now pointer to unsigned.
11696 * varasm.c (assemble_variable): Add cast to eliminate warning.
11698 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
11700 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
11701 then store directly into op0.
11703 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
11704 the CALL_INSN, and emit the note immediately after it.
11706 2000-02-10 Nick Clifton <nickc@cygnus.com>
11708 * config/arm/thumb.md (epilogue): Include a (return) in the
11709 generated insn, and emit it using emit_jump_insn not
11712 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
11714 * function.c (assign_temp): Change zero-sized arrays to size 1.
11715 * integrate.c (expand_inline_function): Do not update
11716 stack_alignment_needed
11717 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
11718 add some sanity checking, remove optimization for function with
11721 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11723 * flow.c (mark_regs_live_at_end): Delete unused variables.
11725 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
11727 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
11728 in macro FRAME_GROWS_DOWNWARD.
11730 * stmt.c (expand_end_bindings): Delete unused variable.
11732 * unroll.c (iteration_info): Mark parameter `loop' with
11735 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11737 * fixinc/server.c (load_data): Return NULL if the marker line is
11739 (run_shell): If load_data returns NULL, retry the command once, in
11742 * configure: Rebuilt.
11744 2000-02-09 Bruce Korb <bkorb@gnu.org>
11746 * gcc/fixincludes: ** DELETED **
11747 * gcc/fixcpp: ** DELETED **
11748 * gcc/fixinc-nt.sed: ** DELETED **
11749 * gcc/just-fixinc: ** DELETED **
11750 * gcc/Makefile.in: Removed out-dated commentary
11751 * gcc/configure.in: Removed fast-fixincludes disablement.
11752 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
11754 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
11755 * function.c (thread_prologue_and_epilogue_insns): Uncomment
11758 2000-02-09 Richard Henderson <rth@cygnus.com>
11760 * jump.c (delete_insn): Don't delete user labels at -O0.
11762 2000-02-09 Robert Lipe <robertl@sco.com>
11764 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
11765 Don't link with HOST_LIBS.
11767 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
11769 * configure.in: Correct --help text for --with-dwarf2.
11770 Put tm-dwarf2.h after other tm files, if it's requested.
11771 * configure: Regenerate.
11772 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
11775 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
11777 * cpplib.h: Provide HASHNODE typedef and forward decl of
11778 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
11779 DEFINITION, struct hashnode, struct macrodef, struct
11780 definition, scan_decls prototype, default defn of
11781 INCLUDE_LEN_FUDGE moved elsewhere.
11783 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
11784 definition, and struct hashnode moved here. Remove the unused
11785 'predefined' field from struct definition. Replace the 'args'
11786 union with its sole member. All users updated (cpphash.c).
11787 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
11788 multiple include guard.
11790 * cpphash.c (hashf): Make static; use better algorithm; drop
11791 HASHSIZE parameter; return an unsigned int.
11792 (cpp_lookup): Drop HASH parameter. PFILE parameter is
11793 used. Calculate HASHSIZE modulus here.
11794 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
11796 (create_definition): Drop PREDEFINITION parameter.
11797 * cpplib.c (do_define): Don't calculate a hash value here.
11798 Don't pass (keyword == NULL) to create_definition.
11800 * scan.h: Prototype scan_decls here.
11801 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
11802 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
11803 callers of cpp_lookup and cpp_install updated.
11805 * cpphash.c (macarg): Hoist all the flag diddling out of the
11807 (macroexpand): ... and out of the loop that calls macarg.
11808 Skip over the initial paren before macro arguments with
11809 cpp_get_non_space_token; point may be some distance before
11810 that paren. Abort if it's not there.
11812 * cpplib.c (parse_clear_mark): Delete function.
11813 (parse_set_mark, parse_goto_mark): Make static.
11814 (ACTIVE_MARK_P): New macro.
11815 (skip_block_comment, skip_line_comment): Do not bump the line
11816 if ACTIVE_MARK_P is true.
11817 (cpp_pop_buffer): The buffer to be popped may not have an
11819 (cpp_get_token): When looking for the initial paren before
11820 macro arguments, only set a mark in a file buffer, Always
11821 return to that mark before proceeding to call macroexpand or
11822 return a NAME token.
11824 * cpplib.h: Remove prototypes of parse_set_mark,
11825 parse_clear_mark, parse_goto_mark.
11826 (struct cpp_options): Rename 'put_out_comments' to
11827 'discard_comments' and invert its sense.
11828 * cppinit.c, cpphash.c, cpplib.c: All users of
11829 put_out_comments changed to use discard_comments, with
11832 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
11834 * function.c (thread_prologue_and_epilogue_insns): Don't delete
11835 the edge from a block that both jumps and falls through to the
11838 2000-02-09 Scott Bambrough <scottb@netwinder.org>
11840 * config/arm/arm.md (movsi): In PIC mode, make sure that a
11841 constant source address is legitimate.
11843 2000-02-09 Philip Blundell <pb@futuretv.com>
11845 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
11848 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
11850 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
11852 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
11854 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
11855 ends with a newline and a NUL. Don't be so clever manipulating
11858 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
11860 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
11861 not to BIGGEST_ALIGNMENT.
11863 2000-02-08 Geoff Keating <geoffk@cygnus.com>
11865 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
11866 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
11867 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
11868 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
11869 * frame.c (execute_cfa_insn): Handle
11870 DW_CFA_GNU_negative_offset_extended.
11872 2000-02-08 Richard Henderson <rth@cygnus.com>
11874 * flow.c (tidy_fallthru_edges): Split out from ...
11875 (delete_unreachable_blocks): ... here.
11876 (find_basic_blocks): Use it.
11878 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11880 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
11882 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
11884 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
11885 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
11886 (fix-header.o): Don't depend on cpphash.h.
11888 * scan.c (hashstr): New function.
11889 * scan.h: Prototype it.
11890 * fix-header.c: Don't include cpphash.h. Use hashstr.
11891 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
11892 hashstr. Report hash table statistics. Add private
11893 definition of xrealloc.
11895 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11897 * i386.h (TARGET_SWITCHES): Fix typo in option name.
11899 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
11901 * function.c (thread_prologue_and_epilogue_insns): Don't replace
11902 jumps with returns unless they are jumps to the fallthru block.
11904 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
11906 * i386.md (addqi3_cc): Fix contraints.
11908 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
11910 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
11912 2000-02-07 Mark Mitchell <mark@codesourcery.com>
11914 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
11915 carriage return after a macro name.
11917 2000-02-07 Fred Fish <fnf@be.com>
11919 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
11920 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
11922 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
11924 * cppfiles.c (deps_output): Count spacers in deps_column.
11926 2000-02-07 Neil Booth <NeilB@earthling.net>
11928 * cppinit.c (initialize_dependency_output): If there is no
11929 suffix, don't try to look for known suffixes. Use strrchr.
11930 (cpp_start_read): Remove duplicate initialization.
11932 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
11934 * calls.c (compute_argument_block_size): New argument
11935 preferred_stack_boundary.
11936 (expand_call): update cfun->preferred_stack_boundary, update call of
11937 compute_argument_block_size
11938 (emit_library_call): Increate cfun->preferred_stack_boundary
11939 to PREFERRED_STACK_BOUNDARY
11940 (emit_library_call_value): Likewise.
11941 * explow.c (allocate_dynamic_stack_spave): Likewise.
11942 * function.c (prepare_function_start): Set
11943 cfun->preferred_stack_boundary
11944 * function.h (struct function): Add preferred_stack_boundary field.
11945 * integrate.c (expand_inline_function): Update
11946 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
11947 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
11948 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
11950 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
11952 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
11953 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
11954 cpp_pedwarn, cpp_pedwarn_with_line,
11955 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
11956 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
11957 v_cpp_error_with_line, v_cpp_warning_with_line,
11958 cpp_message_from_errno, cpp_perror_with_name): Delete.
11960 * cpperror.c (cpp_print_containing_files): Take starting
11961 buffer as argument.
11962 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
11963 (v_cpp_message): Now called directly by all entry points.
11965 (cpp_pfatal_with_name, cpp_message): Delete.
11966 (cpp_notice_from_errno, cpp_ice): New functions.
11967 (cpp_notice): Is now for reporting error conditions, just
11968 without an associated file.
11969 (cpp_error, cpp_error_with_line): Don't do anything if
11970 opts->inhibit_errors is on.
11971 (cpp_pedwarn_with_file_and_line): Take column argument also.
11973 * cpplib.h: Update prototypes of exported functions.
11974 (struct cpp_options): Add inhibit_errors.
11976 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
11977 non-error messages. Include intl.h.
11979 * cppinit.c, cppmain.c: Likewise. Also, use
11980 cpp_notice_from_errno instead of cpp_perror_with_name or
11981 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
11983 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
11984 report internal errors.
11986 * cpplib.c (do_define): Switch bcopy to memcpy.
11987 Give cpp_pedwarn_with_file_and_line a dummy column argument.
11989 * cpplib.c (copy_rest_of_line): Revert previous change: don't
11990 bail out early if we hit a line comment.
11992 2000-02-06 Richard Henderson <rth@cygnus.com>
11994 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
11995 * basic-block.h: Declare them.
11996 * emit-rtl.h (active_insn_p): New.
11997 (next_active_insn, prev_active_insn): Use it.
11998 * rtl.h: Declare it.
11999 * function.c (emit_return_into_block): New.
12000 (thread_prologue_and_epilogue_insns): Insert return insns instead
12001 of epilogues when possible.
12002 * jump.c (jump_optimize_1): Remove code to insert a return insn
12003 on the fallthru to the exit block.
12005 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
12006 and for non-empty stack frames.
12007 * i386.md (return): Expand to return-pop as needed.
12009 2000-02-06 Richard Henderson <rth@cygnus.com>
12011 * simplify-rtx.c (simplify_relational_operation): Canonicalize
12012 constant to op1 for testing.
12014 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12016 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
12017 (fixuns_truncqfqi2): Use it.
12019 2000-02-06 Richard Henderson <rth@cygnus.com>
12021 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
12022 as a TYPE_LEA insn.
12024 * i386.md (widening and peepholes): Mask the constant instead of
12027 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
12029 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
12030 input pointer before possibly branching off to the backslash
12032 * cpphash.c (macroexpand): Correctly delete \r escapes when
12033 stringifying parameters.
12034 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
12035 if we can; bail out early if we hit a line comment.
12036 (handle_directive): Treat '# 123' in an .S file just like
12037 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
12038 Return 1 for '# not_a_directive'.
12039 (get_directive_token): Pop macro buffers here, so that
12040 cpp_get_token can't sneakily move past a newline.
12042 (cpp_get_token): goto randomchar if handle_directive returns 0.
12044 * cppalloc.c: Update copyright.
12045 * cpplib.c: Merge all the static function prototypes into one
12047 * cpplib.h: Remove #if 0 block.
12049 * cpperror.c: Remove #ifdef EMACS block.
12050 * cppmain.c: Likewise.
12051 * cpphash.c: Remove #if 0 blocks.
12052 * cppinit.c: Remove #if 0 blocks, and the -lint option.
12053 * cpplib.c: Remove #if 0 blocks and code referencing
12054 pcp_inside_if or for_lint. Remove duplicate error message.
12055 Fix error messages for #else after #else or #elif. Reformat.
12056 Remove archaic TODO list.
12057 * cpplib.h: Remove pcp_inside_if and for_lint flags.
12059 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
12061 * i386/osf1elf.h: Add missing backslash to multiline string.
12063 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12065 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
12067 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12069 * Makefile.in (c-common.o): Depend on $(EXPR_H).
12071 * c-common.c: Include expr.h.
12073 * c-pragma.c (mark_align_stack): Add prototype.
12075 * caller-save.c (add_stored_regs): Likewise.
12077 * combine.c (record_promoted_value): Likewise.
12079 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
12082 * cppinit.c (new_pending_define): Likewise.
12084 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
12086 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
12087 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
12088 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
12089 class_scope_p): Likewise.
12091 * dwarf2out.h (dwarf2out_set_demangle_name_func,
12092 dwarf2out_add_library_unit_info): Likewise.
12094 * ggc.h (ggc_page_print_statistics): Likewise.
12096 * haifa-sched.c (propagate_deps): Likewise.
12098 * reg-stack.c (next_flags_user, record_label_references): Likewise.
12100 * rtl.h (set_stack_check_libfunc): Likewise.
12102 * toplev.h (set_fatal_function): Likewise.
12104 * toplev.c (set_fatal_function): Delete prototype.
12106 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
12108 2000-02-05 Geoff Keating <geoffk@cygnus.com>
12110 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
12111 (FUNC_END): Likewise.
12113 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12115 * caller-save.c: Include tm_p.h.
12117 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12119 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
12121 2000-02-04 Neil Booth <NeilB@earthling.net>
12123 * cccp.c (main): Check 'dir' for a NULL pointer before passing
12126 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
12128 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
12129 * genflags.c: Use the max_operand_1 logic from genemit.c to
12130 calculate how many arguments gen_insn prototypes have. Remove
12131 NO_MD_PROTOTYPES ifdefs from the generated file.
12132 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
12133 file. Cast gen_insn initializers to insn_gen_fn.
12134 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
12135 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
12137 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12139 * fixinc/Makefile.in (HDR): Add machname.h.
12142 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12144 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
12145 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
12146 (c4x_cpu_version): Ditto.
12147 * config/c4x/c4x-protos.h: ... here.
12149 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
12151 * dwarf2out.c (add_abstract_origin_attribute): Don't call
12152 gen_abstract_function on our context if we're a nested function.
12154 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12156 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
12157 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
12159 2000-02-04 Bruce Korb <bkorb@gnu.org>
12161 * fixinc/genfixes(machname.h):
12162 Move the functionality from gen-machine.h into this file.
12163 UNdef MN_NAME_PAT if there are no names to change.
12164 Also, be a little kinder when AutoGen is not present.
12166 * fixinc/Makefile.in(machname.h):
12167 Change the generation rule to use genfixes.
12169 * fixinc/fixfixes.c(machine_name):
12170 machine_name_fix's functionality now dependent upon whether
12171 MN_NAME_PAT is defined.
12173 * fixinc/fixtests.c(machine_name):
12176 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
12179 * fixinc/fixlib.h(mn_get_regexps):
12182 * fixinc/gen-machine.h: DELETED
12184 2000-02-04 Jan Hubicka <jh@suse.cz>
12185 Richard Henderson <rth@cygnus.com>
12187 * i386.c (SAVE_REGS_FIRST): Remove.
12188 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
12189 (ix86_compute_frame_size): Likewise.
12190 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
12191 (ix86_emit_restore_regs): Remove.
12192 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
12193 when a frame pointer is in use.
12194 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
12195 instead of pop to restore a register when profitable; emit leave
12197 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
12198 as a TYPE_LEA insn.
12199 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
12200 * i386.md (prologue_allocate_stack): Remove.
12201 (epilogue_deallocate_stack): Remove.
12202 (pro_epilogue_adjust_stack): New.
12204 2000-02-04 Richard Henderson <rth@cygnus.com>
12206 * function.c (diddle_return_value): Rework to use a callback function.
12207 Use current_function_return_rtx if it's been set up.
12208 (do_clobber_return_reg, clobber_return_register): New.
12209 (do_use_return_reg, use_return_register): New.
12210 (expand_function_end): Use them.
12211 * stmt.c (expand_null_return): Likewise.
12212 * function.h: Declare them.
12213 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
12214 (mark_reg): Change arguments as appropriate for callback.
12215 * integrate.c (expand_inline_function): Revert 19 Jan change.
12217 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
12219 * tm.texi (Values in Registers): Fix typo: "fo" "for".
12220 (Misc): Say the scheduler, not the Haifa scheduler.
12222 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
12224 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
12225 when in_mem is set. Update all callers.
12227 2000-02-04 Richard Henderson <rth@cygnus.com>
12229 * i386/openbsd.h (INT_ASM_OP): Define.
12231 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
12233 * tm.texi: Fix various typos.
12235 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
12237 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
12238 (MD_STARTFILE_PREFIX_1): New macro.
12240 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
12242 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
12243 destination when needed.
12244 (strmovsi, strsetsi): New expander.
12245 (strmovsi_1, strsetsi_1): New pattern.
12246 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
12247 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
12248 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
12249 * invoke.texi (align-stringops, inline-all-stringops): Document.
12251 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
12253 * i386/netbsd.h (INT_ASM_OP): Define.
12255 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
12257 * cpplib.h (cpp_reader): Add new flag, no_directives.
12258 * cpphash.c (macarg): Set it.
12259 * cpplib.c (handle_directive): If no_directives is on and we
12260 find a directive, issue an error and discard the line.
12262 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
12264 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
12265 FP constants. Add ! TARGET_FPU check for FP constants.
12267 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
12269 * flow.c (find_basic_blocks): Don't kill label_value_list
12271 (cleanup_cfg): Kill it here.
12273 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12275 * expr.c (store_field): Ensure ALIGN is no stricter than the
12278 2000-02-02 Richard Henderson <rth@cygnus.com>
12280 * jump.c (delete_insn): Partially revert 19 Jan change;
12281 don't convert unused code labels to notes at -O0.
12283 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12285 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
12286 split_all_insns to recreate REG_LABEL notes for flow2 pass.
12288 2000-02-01 Richard Henderson <rth@cygnus.com>
12290 * i386.c (general_no_elim_operand): New.
12291 (nonmemory_no_elim_operand): New.
12292 (ix86_expand_move): Copy eliminable operands before a push.
12293 * i386-protos.h: Declare new functions.
12294 * i386.h (CAN_ELIMINATE): Simplify.
12295 (PREDICATE_CODES): Update.
12296 * i386.md (push insns): Don't allow eliminable register operands.
12298 2000-02-01 Richard Henderson <rth@cygnus.com>
12300 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
12301 replace BLKmode with DECL_RTL's mode.
12303 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
12305 * frame.c (find_fde): Convert for loop to do-while so compiler
12306 sees it's always executed at least once.
12307 * libgcc2.c (BBINBUFSIZE): Kill.
12308 (__bb_init_prg): Use fgets.
12309 (__bb_exit_trace_func): Don't paste strings.
12310 * unroll.c (unroll_loop): Initialize unroll_type, not
12311 unroll_number, and tweak logic to match.
12313 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
12315 (ix86_flags_dependant): Likewise. Disentangle control flow.
12316 (ix86_sched_reorder): Break guts out to
12317 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
12318 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
12321 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
12322 use string concatenation. Don't save and restore esi.
12324 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
12325 (machname.h): Remove script to separate file. Use two-step
12326 sequence so target is not created if script fails.
12327 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
12328 identifiers are defined.
12329 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
12330 an empty string, machine_name doesn't need to do anything at
12332 (is_cxx_header): Add more cases to regexp.
12333 * fixinc/fixlib.h: Update prototype.
12334 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
12336 * fixinc/fixincl.c: Define NO_BOGOSITY.
12338 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
12339 (hp_sysfile): Add missing comma.
12340 (math_exception): Put the wrapper ifdefs at the beginning and
12341 the end of the file.
12342 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
12344 2000-02-01 Richard Henderson <rth@cygnus.com>
12346 * sparc.c (fp_zero_operand): Turn into a normal predicate.
12347 Use CONST0_RTX. Update all callers.
12348 * sparc.h, sparc-protos.h: Update accordingly.
12349 * sparc.md (fp mov insns): Use fp_zero_operand directly
12352 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
12354 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
12357 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12359 * Makefile.in (specs.ready): New target.
12360 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
12362 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12364 * fixinc.irix: Use unique filenames for writing into /tmp,
12365 * fixinc.ptx: Likewise.
12366 * fixinc.sco: Likewise.
12367 * fixinc.svr4: Likewise.
12368 * fixinc.winnt: Likewise.
12370 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12372 * tsystem.h: New file.
12374 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
12375 s-crtS): Depend on tsystem.h.
12377 * crtstuff.c: Include tsystem.h.
12378 * frame.c: Likewise.
12379 * libgcc2.c: Likewise.
12381 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
12383 * builtins.c (expand_builtin_memset): Expand for variable sized
12386 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
12388 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
12391 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
12393 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
12395 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
12397 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
12399 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
12400 case 3->2 combining (combining with splitting) in which 2 is CC0
12401 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
12402 checked at the begining of the function with the aid of calling
12403 function 'can_combine_p'.
12405 2000-01-31 Dave Brolley <brolley@redhat.com>
12407 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
12409 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
12411 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
12414 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12416 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
12418 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
12421 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
12423 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
12424 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
12425 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
12426 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
12427 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
12428 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
12429 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
12430 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
12431 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
12432 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
12434 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
12435 Add %(cpp_cpu) to CPP_SPEC.
12437 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
12438 Add %(cc1_cpu) to CC1_SPEC.
12440 2000-01-28 Ulrich Drepper <drepper@redhat.com>
12442 * c-decl.c (c_decode_option): Accept optional numeric argument to
12443 -Wformat and set warn_format.
12444 * c-common.c: Don't emit warning about non-constant printf format
12445 string unless warn_format > 1.
12447 2000-01-30 Richard Henderson <rth@cygnus.com>
12449 * alpha.md (return_internal): Allow after reload only.
12451 2000-01-30 Richard Henderson <rth@cygnus.com>
12453 * i386.c (ix86_compute_frame_size): Omit padding1 if the
12454 local frame size is zero.
12456 2000-01-30 Richard Henderson <rth@cygnus.com>
12458 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
12459 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
12460 * alpha.md (return): Turn into an expander.
12461 (return_internal): Don't use $26.
12462 (epilogue): Emit the return insn.
12464 2000-01-30 Richard Henderson <rth@cygnus.com>
12466 * alpha.md (negtf2, abstf2): Fix word order thinko.
12467 (extendsftf2): New.
12468 (trunctfsf2): Avoid intermediate rounding errors.
12470 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
12472 * cppfiles.c (find_position): Drop 'colp' argument, return the
12474 (read_and_prescan): Adjust to match. Don't ever manipulate
12475 line or line_base except via find_position.
12477 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
12479 * c-parse.in: Apply Ulrich's changes from c-parse.y.
12480 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
12483 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
12485 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
12486 just print "<command line>". If 'filename' is null or an
12487 empty string, print "<stdin>" for the filename.
12488 * cpplib.c (do_define): Don't print the 'location of the
12489 previous definition' message if we're still parsing the
12491 (cpp_pedwarn_with_file_and_line): Always call
12492 cpp_file_line_for_message.
12494 2000-01-29 Mark Mitchell <mark@codesourcery.com>
12496 * flow.c (mark_regs_live_at_end): Fix typo.
12498 2000-01-28 Ulrich Drepper <drepper@redhat.com>
12500 * c-common.c: Adjust variable names, comments, help strings to c99.
12501 * c-lex.c: Likewise.
12502 * c-parse.y: Likewise.
12503 * c-tree.h: Likewise.
12504 * cccp.c: Likewise.
12505 * cpplib.h: Likewise.
12506 * c-decl.c: Likewise. Recognize options with names "*99" as well.
12507 * cppinit.c: Likewise.
12509 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12511 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
12512 * c4x.c: Define the optab rtx values.
12513 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
12514 (c4x_emit_libcall): Use new optab rtx values.
12515 (c4x_emit_libcall3): Likewise.
12516 (c4x_emit_libcall_mulhi): Likewise.
12517 * c4x-protos.h: Add prototypes for optab rtx values and change
12518 prototypes for above c4x_emit_libcall functions.
12520 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12522 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
12524 (c4x_function_prologue): Use regnames intead of float_reg_names when
12526 (c4x_function_epilogue): Likewise.
12527 (c4x_print_operand): Likewise.
12528 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
12529 * c4x.md (set_high): Disable for TARGET_TI.
12531 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12533 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
12534 of framepointer + constant to ADDR_REGS class.
12535 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
12536 * c4x.c (std_or_reg_operand): New function.
12537 * c4x-protos.h (std_or_reg_operand): Prototype it.
12539 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12541 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
12542 object names as libgcc2.c.
12543 * libgcc.S: Use newly defined names.
12545 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
12546 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
12548 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
12549 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
12550 (FLOW_LOOP_LAST_BLOCK): Likewise.
12552 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12554 * basic-block.h (struct loop): New fields 'first' and 'last'.
12555 * flow.c (flow_loops_find): Compute loop->first and loop->last.
12556 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
12557 and loop->last to check for NOTE_INSN_LOOP_END.
12559 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
12561 * predict.c (estimate_probability): Use the new FIRST and LAST fields
12562 of the loop descriptor rather than HEADER and LATCH. Also added
12563 missing break statements as well making some coding style modifications
12564 as suggested by Michael Hayes.
12566 2000-01-28 Richard Henderson <rth@cygnus.com>
12568 * flow.c (find_basic_blocks): Remove do_cleanup argument.
12569 Break out that code ...
12570 (cleanup_cfg): ... here.
12571 (commit_one_edge_insertion): Detect a return instruction being
12572 emitted to an edge. Emit a barrier following; clear fallthru.
12573 (commit_edge_insertions): Verify CFG consistency.
12574 * function.c (expand_function_start): Kill unused variable.
12575 (expand_function_end): Likewise.
12576 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
12577 to insert the epilogue.
12579 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
12580 (delete_null_pointer_checks): Likewise.
12581 * output.h: Likewise.
12582 * reg-stack.c (reg_to_stack): Likewise.
12583 * toplev.c (rest_of_compilation): Likewise. Run
12584 thread_prologue_and_epilogue_insns after rebuilding the CFG.
12586 2000-01-28 Richard Henderson <rth@cygnus.com>
12588 * Makefile.in (flow.o): Revert 24 Jan change.
12589 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
12590 FUNCTION_VALUE result to DECL_RESULT's mode.
12592 * haifa-sched.c (schedule_insns): Don't recompute reg info
12595 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
12597 * configure.in: Make --enable-cpplib the default.
12598 * configure: Regenerate.
12599 * gcc.dg/990119-1.c: No longer expected to fail.
12601 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
12603 * jump.c (jump_optimize_1): Delete an optimization that is also done
12604 by merge_blocks in flow.
12606 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12608 * diagnostic.c (build_message_string, output_printf,
12609 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
12610 (build_location_prefix): Fix non-literal format string.
12612 2000-01-27 Richard Henderson <rth@cygnus.com>
12614 * alpha.md (trunctfsf2): New.
12616 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
12618 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
12620 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
12622 * cppinit.c (cpp_handle_option): Recognize C++ comments under
12624 * cpplib.c (skip_block_comment, skip_line_comment): Split code
12626 (skip_comment) ... here. Permit C++ comments in system
12627 headers always. Warn about C++ comments in user code under
12628 -std=gnu89 -pedantic.
12629 (copy_comment): Use skip_comment.
12630 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
12632 (consider_directive_while_skipping, do_else, do_endif): Call
12633 validate_else unconditionally.
12634 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
12635 text after the conditional in a system header.
12636 * cpplib.h (struct cpp_buffer): Add flag
12637 warned_cplusplus_comments.
12639 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
12641 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
12642 Use unshare_all_rtl_1.
12643 (unshare_all_rtl_again): New function.
12644 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
12646 * function.c (purge_addressof_1): Use unshare_all_rtl_again
12647 rather than resetting the 'used' flags ourself.
12649 * toplev.c (rest_of_compilation): Add current_function_decl
12650 to the unshare_all_rtl call.
12651 * tree.h: Prototype unshare_all_rtl.
12652 * rtl.h: Prototype unshare_all_rtl_again here.
12654 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
12656 * genoutput.c (output_prologue): Include ggc.h in generated
12658 * Makefile.in (insn-output.o): Depends on ggc.h.
12660 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
12661 Hans-Peter Nilsson <hp@bitrange.com>
12663 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
12664 Remove redundant include of xm-ns32k.h.
12665 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
12666 Remove redundant include of xm-ns32k.h.
12667 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
12668 Remove redundant include of xm-ns32k.h.
12669 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
12671 * ns32k/ns32k.h: Update comment on multiply-add instructions.
12672 (TARGET_SWITCHES): Add documentation strings.
12673 (DWARF_FRAME_REGNUM): Override default definition.
12674 (REG_CLASS_CONTENTS): Add comments.
12675 (SUBSET_P): Format to reduce line length.
12676 (SMALL_REGISTER_CLASSES): Make a run time option.
12677 (GO_IF_NONINDEXED_ADDRESS): Reformat.
12678 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
12679 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
12680 (regclass_map): fix typo in comment.
12681 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
12682 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
12683 (trace, reg_or_mem_operand): Delete, unused function.
12684 (calc_address_cost): Small offsets are cheaper than large ones.
12685 (expand_block_move): Generate more efficient code when bytes is a
12686 known at compile time.
12687 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
12688 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
12689 instead of reg_or_mem_operand.
12691 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
12692 not general_operand. Similarly use "=rm" or stricter, not "=g".
12693 For input operands, use stricter constraints than "g" if not
12694 general_operand. Similarly use stricter predicate than
12695 "general_operand" when stricter constraints than "g" are present,
12696 except for matching constraints.
12697 (movstrsi): Use "memory_operand" for operands 0 and 1.
12698 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
12699 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
12700 not reg_or_mem_operand.
12701 (udivmoddisi4): Ditto.
12702 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
12703 Use nonimmediate_operand for operand 3, not register_operand.
12704 (udivmoddiqi4_internal): Use register_operand for operand 1, not
12705 reg_or_mem_operand.
12707 2000-01-27 Fred Fish <fnf@be.com>
12709 * gthr-posix.h: Fix typo; compatibily -> compatibility.
12710 * gthr-single.h: Likewise.
12711 * gthr-solaris.h: Likewise.
12712 * gthr-vxworks.h: Likewise.
12713 * gthr-win32.h: Likewise.
12714 * gthr.h: Likewise.
12716 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
12718 * cppinit.c: Add " (cpplib)" to end of string printed by
12721 2000-01-27 Richard Henderson <rth@cygnus.com>
12723 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
12724 testing for a signed comparison.
12725 (alpha_emit_floatuns): New.
12726 * alpha-protos.h: Declare it.
12727 * alpha.md (floatunsdisf2, floatunsdidf2): New.
12728 (extendsfdf2): Tidy.
12730 2000-01-27 Jakub Jelinek <jakub@redhat.com>
12732 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
12733 no -g option specifying debugging format, default to -gstabs+.
12735 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12737 * calls.c (special_function_p): New argument fork_or_exec.
12738 (expand_call): When profile_arc_flag is set and the function
12739 is in the fork_or_exec group, call __bb_fork_func first.
12740 * libgcc2.c, _bb module (__bb_fork_func): New function.
12741 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
12743 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
12744 * tree.h (special_function_p): Update prototype.
12746 2000-01-26 Richard Henderson <rth@cygnus.com>
12748 * alpha.c (alpha_split_tfmode_pair): New.
12749 * alpha-protos.h: Declare it.
12750 * alpha.md (abstf2, negtf2): New.
12751 (movtf insn): Add input G constraint.
12752 (movtf splitter): Use alpha_split_tfmode_pair.
12754 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12756 * i386/cygwin.h: PROTO -> PARAMS.
12758 2000-01-26 Jakub Jelinek <jakub@redhat.com>
12760 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
12761 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
12762 using _Qp_cmp/_Q_cmp and testing the return value.
12763 (print_operand): Call reverse_condition_maybe_unordered if
12764 we are handling CCFPmode or CCFPEmode.
12765 Handle ORDERED, UN* and LTGT comparisons.
12766 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
12767 if not TARGET_HARD_QUAD.
12768 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
12769 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
12770 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
12771 Adjust gen_b* calls so that they reflect return comparison of
12772 sparc_emit_float_lib_cmp.
12774 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12776 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
12777 incoming operands array is large enough for one more operand.
12778 (alpha_emit_xfloating_arith): Likewise.
12780 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
12782 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
12783 file with one line and no trailing newline.
12784 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
12785 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
12786 checking if the match is on the line.
12787 * fixinc/gnu-regex.c: Provide regerror not __regerror.
12789 2000-01-25 Richard Henderson <rth@cygnus.com>
12791 * sparc.c (output_cbranch): Fix accidental squashing of the
12792 fp branch pre-delay nop.
12794 2000-01-25 Richard Henderson <rth@cygnus.com>
12796 * tree.def (UNNE_EXPR): Remove.
12797 * c-typeck.c (build_binary_op): Don't handle it.
12798 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
12800 * rtl.def (UNNE): Remove.
12802 * jump.c (reverse_condition): Update accordingly.
12803 (swap_condition): Likewise.
12804 (comparison_dominates_p): Handle unordered comparisons.
12805 (reverse_condition_maybe_unordered): New.
12806 * rtl.h (reverse_condition_maybe_unordered): Declare.
12808 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
12809 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
12810 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
12811 * sparc.md (bltgt): New.
12813 2000-01-25 Nick Clifton <nickc@redhat.com>
12815 * emit-rtl.c (emit_insn): Only check machine class insns for
12816 improper emission of a RETURN.
12818 2000-01-25 Richard Henderson <rth@cygnus.com>
12820 * Makefile.in (flow.o): Depend on $(EXPR_H).
12821 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
12822 duplicate the structure of diddle_return_value for keeping regs live.
12824 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12826 * loop.c (current_loop_info): Delete.
12827 (consec_sets_invariant_p): Add loop argument, update callers.
12828 (get_condition_for_loop): Likewise.
12829 (count_nonfixed_reads, update_giv_derive): Likewise.
12830 (simplify_giv_expr, general_induction_var): Likewise.
12831 (consec_sets_giv, recombine_givs): Likewise.
12832 (move_movables): Delete loop_start and loop_end arguments,
12833 add loop argument, and update callers.
12834 (find_mem_givs, check_final_value): Likewise.
12835 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
12836 (loop_invariant_p): Rename from invariant_p, add loop argument, and
12838 (basic_induction_var): Add loop argument, delete loop_level argument,
12839 and update callers.
12840 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
12841 add loop argument, and update callers.
12842 (find_splittable_regs, find_splittable_givs): Likewise.
12843 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
12844 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
12845 (biv_total_increment): Delete loop_start and loop_end arguments;
12847 (precondition_loop_p): Delete loop_start and loop_info arguments;
12849 * loop.h (get_condition_for_loop): Add loop argument.
12850 (biv_total_increment): Delete loop_start and loop_end arguments.
12851 (precondition_loop_p): Delete loop_start and loop_info arguments;
12853 (final_biv_value): Delete loop_start and loop_end arguments;
12855 (final_giv_value, back_branch_in_range_p): Likewise.
12857 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
12859 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
12861 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
12863 * Makefile.in (c-gperf.h) : Change the "See" pointer to
12864 point to the new "generated_files" doc.
12866 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
12868 * config/fp-bit.c (_unord_f2): Fix typo.
12870 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
12872 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
12873 c-typeck.c, objc/objc-act.c: Remove all references to obstack
12874 functions obsoleted by GC, such as push_obstacks_nochange,
12875 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
12876 and code which existed only to decide whether or not to call
12877 them. Remove now-unused NESTED argument from start_function;
12878 all callers changed. Do not change behavior based on ggc_p.
12879 The use of the ixp_obstack in c-iterate.c and the util_obstack
12880 in objc/objc-act.c remain; these are not obsoleted by garbage
12882 * c-tree.h: Update prototype for start_function.
12884 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
12886 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
12888 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
12891 2000-01-25 Richard Henderson <rth@cygnus.com>
12893 * sparc-protos.h (select_cc_mode): Declare.
12894 * sparc.c (select_cc_mode): New. Handle unordered compares.
12895 (output_cbranch): Always reverse via code change. Handle
12896 unordered compares. Factor tests and string updates.
12897 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
12898 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
12899 * sparc.md (bunordered, bordered): New.
12900 (bungt, bunlt, buneq, bunge, bunle): New.
12902 2000-01-25 Richard Henderson <rth@cygnus.com>
12904 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
12905 * ggc-common.c (ggc_add_rtx_varray_root): New.
12906 (ggc_mark_rtx_varray): New.
12907 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
12908 functions down below ggc_mark_foo.
12909 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
12911 2000-01-25 Richard Henderson <rth@cygnus.com>
12913 * alpha.c (secondary_reload_class): Don't allocate a secondary
12914 for integral mode memories into FLOAT_REGS. Rearrange the more
12915 complicated memory expression inward.
12917 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
12919 * inclhack.def: Fixes to play nicer with FreeBSD, and
12920 corrections to comments.
12921 (cxx_unready): Add select expression.
12922 (irix_sockaddr): Add bypass expression.
12923 (machine_ansi_h_va_list): New fix.
12924 (stdio_va_list): No need to edit _BSD_VA_LIST_.
12925 Split out addition of "#include <stdarg.h>" to...
12926 (stdio_stdarg_h): ... here.
12927 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
12928 to stdlib.h also. Do not munge _BSD_SIZE_T_.
12929 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
12931 (ultrix_ifdef): Tighten up select expression.
12933 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
12934 re_ct and max_mach to avoid use of shell. Make printed names
12935 match names in inclhack.def. Use static copyright date.
12936 Don't count c_test and test expressions as requiring regex_t
12937 slots. Add some commentary.
12938 * inclhack.tpl: Do not include the 'This script contains N
12939 fixup scripts' line if PROGRAM is defined. Use static
12942 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
12944 * dwarf2out.c: include "varray.h", not dyn-string.h.
12945 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
12946 (addr_const_to_string, addr_to_string): Lose.
12947 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
12948 (struct dw_val_struct): val_addr is now an rtx.
12949 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
12950 (used_rtx_varray): New varray.
12951 (dwarf2out_init): Initialize it.
12952 (save_rtx): New fn.
12953 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
12955 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
12956 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
12957 * Makefile.in (dwarf2out.o): Update dependencies.
12959 2000-01-24 Richard Henderson <rth@cygnus.com>
12961 * i386.c (i386_dwarf_output_addr_const): New.
12962 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
12964 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
12966 * dwarfout.c (output_mem_loc_descriptor): Likewise.
12967 * i386.c (i386_simplify_dwarf_addr): New.
12968 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
12970 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
12972 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
12973 TYPE_STUB_DECL is NULL.
12975 2000-01-24 Richard Henderson <rth@cygnus.com>
12977 * builtins.c (expand_tree_builtin): Move ...
12978 * c-common.c (expand_tree_builtin): ... here.
12980 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12982 * loop.h (LOOP_INFO): New accessor macro.
12983 * basic-block.h (struct loop): Rename field `info' to `aux'.
12984 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
12985 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
12986 * unroll.c (loop_iterations, unroll_loop): Likewise.
12988 2000-01-24 Christopher Faylor <cgf@cygnus.com>
12990 * config/i386/t-cygwin: Accomodate new winsup directory layout
12991 when searching for include files.
12993 2000-01-24 Richard Henderson <rth@cygnus.com>
12995 * rtl.def: Add unordered fp comparisions.
12996 * tree.def: Likewise.
12997 * tree.h: Add ISO C 9x unordered fp comparision builtins.
12999 * builtins.c (expand_tree_builtin): New function.
13000 * c-typeck.c (build_function_call): Use it.
13001 (build_binary_op): Support unordered compares.
13002 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
13004 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
13005 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
13006 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
13007 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
13008 * jump.c (reverse_condition): Don't abort for UNLE etc, but
13010 (swap_condition): Handle unordered compares.
13011 (thread_jumps): Check can_reverse before reversing.
13012 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
13015 * optabs.c (can_compare_p): New argument CODE. Verify branch or
13016 setcc is present before acking for cmp_optab. Update all callers.
13017 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
13018 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
13019 * expr.c (expand_expr): Likewise. Support unordered compares.
13020 (do_jump, do_store_flag): Likewise.
13021 * expr.h (enum libfunc_index): Add unordered compares.
13023 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
13024 (DPBIT_FUNCS): Add _unord_df.
13025 * config/fp-bit.c (_unord_f2): New.
13026 * fp-test.c (main): Try unordered compare builtins.
13028 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
13029 * alpha.c (alpha_comparison_operator): Check mode properly.
13030 (alpha_swapped_comparison_operator): Likewise.
13031 (signed_comparison_operator): Likewise.
13032 (alpha_fp_comparison_operator): New.
13033 (alpha_emit_conditional_branch): Handle unordered compares.
13034 * alpha.h (PREDICATE_CODES): Update.
13035 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
13036 (bunordered, bordered): New.
13038 2000-01-24 Richard Henderson <rth@cygnus.com>
13040 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
13041 * alpha.md (movtf): New expander, insn, and splitter.
13043 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
13045 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
13048 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
13050 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
13051 (FIXED_REGISTERS, CALL_USED_REGISTERS,
13052 REG_ALLOC_ORDER): Add frame pointer
13053 (FRAME_POINTER_REGNUM): Set to 20
13054 (HARD_FRAME_POINTER_REGNUM): New macro.
13055 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
13056 to HARD_FRAME_POINTER.
13057 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
13058 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
13059 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
13060 (HI_REGISTER_NAMES): Add "frame".
13061 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
13062 (debug_reg): Handle FRAME_POINTER_REGNUM.
13063 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
13064 GENERAL_REGS and INDEX_REGS.
13065 * i386.c (SAVED_REGS_FIRST): new macro.
13066 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
13067 (ix86_decompose_address, memory_address_length): Likewise.
13068 (regclass_map): Add frame pointer.
13069 (call_insn_operand): Handle frame_pointer_rtx.
13070 (reg_no_sp_operand): Likewise.
13071 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
13072 (print_operand, legitimize_pic_address): Fix formating.
13073 (ix86_compute_frame_size): Make static, update prototype, new
13074 parameters padding1, padding2, use ix86_nsaved_regs, use
13075 stack_alignment_needed.
13076 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
13077 to HARD_FRAME_POINTER_REGNUM conversions.
13078 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
13079 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
13080 (print_reg): Abort on FRAME_POINTER_REGNUM
13082 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
13084 * i386.h (PREDICATE_CODES): Add aligned_operand.
13085 * i386.c (aligned_operand): New function.
13086 (ix86_aligned_p): Kill.
13087 * i386.md (movhi_1): Emit mov for aligned operands.
13088 (promoting peep2s): Use aligned_operand.
13090 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
13092 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
13093 expression to allow underscores in macro names.
13094 (fix_char_macro_defines): Increment scanning pointer.
13096 2000-01-23 Richard Henderson <rth@cygnus.com>
13098 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
13099 * alpha/osf5.h: New file.
13100 * configure.in (alpha-*-osf5): Add it to tm_file.
13102 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
13104 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
13105 (alpha_emit_xfloating_cvt, function_arg): Declare.
13106 * alpha.c (alpha_emit_conditional_branch): Call
13107 alpha_emit_xfloating_compare for TFmode compares.
13108 (alpha_lookup_xfloating_lib_func): New.
13109 (alpha_compute_xfloating_mode_arg): New.
13110 (alpha_emit_xfloating_libcall): New.
13111 (alpha_emit_xfloating_arith): New.
13112 (alpha_emit_xfloating_compare): New.
13113 (alpha_emit_xfloating_cvt): New.
13114 (print_operand): Add default abort case.
13115 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
13116 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
13117 (BIGGEST_ALIGNMENT): Increase to 128 bits.
13118 (RETURN_IN_MEMORY): True for TF/TCmode.
13119 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
13120 (FUNCTION_ARG): Move to function_arg.
13121 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
13122 (ASM_OUTPUT_LONG_DOUBLE): New.
13123 (ASM_OUTPUT_DOUBLE): Always output bits.
13124 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
13125 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
13126 (extenddftf2, trunctfdf2): New.
13128 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13130 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
13131 * config/sparc/sol2.h: ... here.
13133 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13135 * basic-block.h (struct loops): New field `levels'.
13136 * flow.c (flow_loops_level_compute): Traverse all outer loops.
13137 (flow_loop_level_compute): Initialise level to 1.
13138 (flow_loops_find): Set loops->levels.
13139 (flow_loops_dump): Print loops->levels.
13141 2000-01-23 Richard Henderson <rth@cygnus.com>
13143 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
13144 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
13146 2000-01-23 Richard Henderson <rth@cygnus.com>
13148 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
13149 * i386.h (DBX_REGISTER_NUMBER): Use them.
13150 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
13151 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
13152 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
13153 * i386/sequent.h: Kill incorrect comment.
13155 2000-01-23 Mark Mitchell <mark@codesourcery.com>
13157 * ggc-page.c (struct page_entry): Make `context_depth' an
13159 (struct globals): Likewise.
13161 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
13163 * loop.c (check_dbra_loop): When checking a loop for
13164 reversability, check the source of any stores to ensure
13165 they don't depend on an initial value.
13167 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13169 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
13171 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
13173 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
13174 'pz_scan' into scope of entire function. Only affects
13175 compiles with -DDEBUG.
13177 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
13179 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
13180 section naming to that prior to 2000-01-07 patch.
13181 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
13182 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
13183 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
13184 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
13185 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
13187 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
13189 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
13192 2000-01-21 Jim Wilson <wilson@cygnus.com>
13194 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
13195 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
13197 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
13199 * cpphash.c (change_newlines): Delete function.
13200 (struct argdata): Delete 'newlines' and 'use_count' fields.
13201 (macroexpand): Remove code referencing those fields.
13203 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13205 * loop.c (loops_info): New variable.
13206 (loop_optimize): Allocate loops->array and free it on exit.
13207 Allocate memory for loops_info and assign to each loop,
13209 (find_and_verify_loops): Do not allocate loops->array.
13211 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
13213 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
13215 2000-01-21 Jakub Jelinek <jakub@redhat.com>
13217 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
13218 pseudos if expanded after first flow.
13219 (movdi_pic_label_ref): Likewise.
13221 2000-01-20 Richard Henderson <rth@cygnus.com>
13223 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
13225 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
13227 * Makefile.in (fixinc.sh): Depend on specs.
13228 * fixinc/Makefile.in: Add rule to create machname.h.
13229 (fixlib.o): Depend on machname.h.
13230 * fixinc/fixtests.c (machine_name): New test.
13231 * fixinc/fixfixes.c (machine_name): New fix.
13232 * fixinc/fixlib.c (mn_get_regexps): New helper function for
13233 the machine_name test and fix.
13234 * fixinc/fixlib.h: Prototype it.
13235 * fixinc/inclhack.def (machine_name): Use the C test and fix.
13236 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
13238 * gcc.c (do_spec_1) [case P]: Take care not to create
13239 identifiers with three leading or trailing underscores.
13241 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
13242 (fixincl): Don't specify libraries twice on link line.
13243 (gnu-regex.o): Remove special rule.
13244 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
13245 defined by config.h. Do not define _REGEX_RE_COMP.
13246 (regcomp): Allocate and initialize a fastmap.
13247 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
13249 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
13251 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
13253 2000-01-19 Richard Henderson <rth@cygnus.com>
13255 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
13256 arguments with BB. Update all callers. Tidy line wrapping.
13258 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
13260 * emit-rtl.c (try_split): Return last_insn if we split the
13263 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
13265 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
13266 (ix86_initial_elimination_offset): Declare.
13267 * i386.c (ix86_nsaved_regs): Break out from ...
13268 (ix86_can_use_return_insn_p): ... here.
13269 (ix86_emit_save_regs): Break out from ...
13270 (ix86_expand_prologue): ... here.
13271 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
13273 (ix86_expand_epilogue): ... here.
13274 (ix86_compute_frame_size): Make static, add prototype.
13275 (ix86_initial_elimination_offset): Break out from ...
13276 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
13278 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13280 * recog.h (OUT_FCN): Delete.
13282 * vax.md: Call `get_insn_template' instead of OUT_FCN.
13284 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13286 * cppalloc.c: PROTO -> PARAMS.
13287 * cpperror.c: Likewise.
13288 * cppfiles.c: Likewise.
13289 * cpplib.c: Likewise.
13290 * cpplib.h: Likewise.
13292 * config/arm/arm-protos.h: PROTO -> PARAMS.
13293 * config/arm/arm.c: Likewise.
13294 * config/c4x/c4x.c: Likewise.
13295 * config/fr30/fr30-protos.h: Likewise.
13296 * config/nextstep.c: Likewise.
13297 * config/pa/pa.c: Likewise.
13298 * config/pj/pj.c: Likewise.
13299 * config/rs6000/rs6000.c: Likewise.
13300 * config/v850/v850-protos.h: Likewise.
13301 * config/v850/v850.c: Likewise.
13303 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13305 * i370-protos.h: New file.
13307 * i370.c: Include tm_p.h. Fix compile time warnings.
13309 * i370.h: Move prototypes to i370-protos.h. Fix compile time
13312 * i370.md: Likewise.
13314 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13316 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
13317 (target_isinf, target_isnan, eisnan): Mark parameter with
13319 (eiisinf): Wrap in INFINITY.
13320 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
13321 (ibmtoe): Remove unused variable `rndsav'.
13323 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13325 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
13326 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
13328 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
13330 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
13331 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
13332 (fix_char_macro_defines, fix_char_macro_uses): New functions.
13334 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
13335 Recognize Emacs mode markers also.
13336 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
13337 C++ comments in C++ headers. Call is_cxx_header only if
13340 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
13341 bypass for ncurses.
13342 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
13343 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
13344 ... these, which use the new C fixes.
13345 (math_exception): Escape literal '+' in bypass expression.
13347 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
13350 2000-01-19 Geoff Keating <geoffk@cygnus.com>
13352 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
13355 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13357 * loop.c (loop_optimize): Allocate loop_info structure for each loop
13358 prior to calling scan_loop.
13360 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13362 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
13363 (split_branches, calc_live_regs): Likewise.
13365 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13367 * sh.md (fpu_single, fp_mode): New attributes.
13369 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13371 * loop.c (current_loop_info): Renamed from loop_info_data
13372 and changed to a pointer.
13373 (loop_optimize): Allocate loop_info structure for each loop
13374 and initialise to zero.
13375 (scan_loop): Set current_loop_info.
13377 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
13380 2000-01-19 Richard Henderson <rth@cygnus.com>
13382 * stupid.c: Die die die.
13383 * Makefile.in (OBJS): Remove stupid.o.
13384 (stupid.o): Likewise.
13386 * except.c (emit_eh_context): Don't emit USEs for stupid.
13387 * explow.c (probe_stack_range): Likewise.
13388 * flags.h (obey_regdecls): Remove.
13389 * flow.c (find_basic_blocks): Don't run try_merge_blocks
13390 when not optimizing.
13391 (life_analysis): Limit data collection when not optimizing.
13392 (mark_regs_live_at_end): Always mark the return value registers.
13393 (mark_used_regs): Remove dummy RETURN case.
13394 (print_rtl_with_bb): Don't consult obey_regdecls.
13395 * function.c (use_variable, use_variable_after): Remove.
13396 (assign_parms): Consult optimize not obey_regdecls.
13397 (expand_function_start): Don't emit USEs for stupid.
13398 (expand_function_end): Likewise.
13399 * global.c (build_insn_chain): Export.
13400 * integrate.c (expand_inline_function): Kill return-value USE
13402 * jump.c (jump_optimize_1): Do simple jump optimizations and
13403 dead code elimination.
13404 (calculate_can_reach_end): Remove check_deleted argument.
13405 (delete_insn): Patch out insns even when not optimizing.
13406 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
13407 * rtl.h (use_variable, use_variable_after): Remove declarations.
13408 (build_insn_chain): Declare.
13409 * stmt.c (expand_value_return): Don't emit USEs for stupid.
13410 (expand_end_bindings): Likewise.
13411 (expand_decl): Likewise. Consult optimize not obey_regdecls.
13412 * toplev.c (obey_regdecls): Remove.
13413 (rest_of_compilation): Don't set it. Kill stupid in favour of
13414 flow1, local-alloc, and reload.
13415 (main): Don't set obey_regdecls.
13417 * config/nextstep.c (handle_pragma): Likewise.
13419 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
13421 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
13423 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13425 * alpha-protos.h: PROTO -> PARAMS.
13426 * alpha.c: Likewise.
13428 * h8300.c: Likewise.
13429 * i386-protos.h: Likewise.
13430 * i386.c: Likewise.
13431 * m32r-protos.h: Likewise.
13432 * m32r.c: Likewise.
13433 * mips.c: Likewise.
13434 * mips.md: Likewise.
13435 * gmon-sol2.c: Likewise.
13436 * sparc.c: Likewise.
13438 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13440 * ns32k-protos.h: New file.
13442 * ns32k.c: Fix compile time warnings.
13444 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
13447 * ns32k.md: Likewise.
13449 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13451 * vax-protos.h: New file.
13453 * vax.c: Fix compile time warnings.
13455 * vax.h: Move prototypes to vax-protos.h. Fix compile time
13458 * vax.md: Likewise.
13460 * vaxv.md: Likewise.
13462 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13464 * romp-protos.h: New file.
13466 * romp.c: Fix compile time warnings.
13468 * romp.h: Move prototypes to romp-protos.h. Fix compile time
13471 * romp.md: Likewise.
13473 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13475 * we32k-protos.h: New file.
13477 * we32k.c: Fix compile time warnings.
13479 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
13482 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13484 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
13486 * except.c (eh_regs): Likewise.
13488 * final.c (output_operand): Likewise.
13490 * fold-const.c (target_isinf, target_isnan): Likewise.
13492 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
13494 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
13495 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
13497 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
13498 when optimize_size.
13499 (clrstrsi): Rewrite.
13500 (strsethi, strsetqi): New expanders.
13501 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
13502 (cmpstrsi): Emit compare insn before cmpstrsi_1
13503 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
13504 (strlensi_1): Likewise.
13505 (cmpstrsi_1): Likewise; do not output compare.
13506 (strlen expander): Do not unroll when optimizing for size.
13507 (*subsi3_carry): Rename to subsi3_carry
13508 (addqi3_cc): New pattern.
13509 * i386.h (processor_costs): Add move_ratio field.
13510 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
13511 * i386.c (*_cost): Set move_ratio.
13512 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
13513 (x86_expand_strlensi_1): Rewrite the main loop.
13515 2000-01-17 Richard Henderson <rth@cygnus.com>
13517 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
13518 * cse.c (find_comparison_args, fold_rtx): Likewise.
13519 * integrate.c (subst_constants): Likewise.
13520 * loop.c (get_condition): Likewise.
13522 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
13524 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
13526 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13528 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
13529 (RESTORE_WARN_FLAGS): Unpack it.
13530 Change semantic type of extension to ttype.
13531 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
13532 * c-parse.y, c-parse.c, objc/objc-parse.y,
13533 objc/objc-parse.c: Regenerate.
13535 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
13537 * fixinc/fixlib.c: Add copyright notice.
13538 (compile_re): New function.
13539 * fixinc/fixlib.h: Prototype compile_re.
13541 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
13542 Use compile_re to compile regular expressions.
13544 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
13545 where the pattern matched.
13547 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
13549 (ultrix_ansi_compat): Likewise.
13550 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
13552 (interactv_add2, interactv_add3): Delete.
13553 (x11_sprintf): Don't use filename glob.
13554 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
13557 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13559 * print-rtl.c: PROTO -> PARAMS.
13560 * real.c: Likewise.
13561 * reg-stack.c: Likewise.
13562 * resource.c: Likewise.
13563 * sdbout.h: Likewise.
13564 * simplify-rtx.c: Likewise.
13565 * stor-layout.c: Likewise.
13566 * stupid.c: Likewise.
13567 * xcoffout.c: Likewise.
13568 * xcoffout.h: Likewise.
13570 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13572 * toplev.c: PROTO -> PARAMS.
13573 * toplev.h: Likewise.
13574 * tree.c: Likewise.
13575 * tree.h: Likewise.
13576 * unroll.c: Likewise.
13577 * varasm.c: Likewise.
13578 * varray.c: Likewise.
13579 * varray.h: Likewise.
13581 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13583 * reload.c: PROTO -> PARAMS.
13584 * reload.h: Likewise.
13585 * reload1.c: Likewise.
13586 * reorg.c: Likewise.
13587 * resource.h: Likewise.
13590 * rtlanal.c: Likewise.
13591 * sbitmap.h: Likewise.
13592 * sdbout.c: Likewise.
13593 * stack.h: Likewise.
13594 * stmt.c: Likewise.
13595 * system.h: Likewise.
13597 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13599 * machmode.h: PROTO -> PARAMS.
13600 * mbchar.h: Likewise.
13601 * mips-tdump.c: Likewise.
13602 * mips-tfile.c: Likewise.
13603 * optabs.c: Likewise.
13604 * output.h: Likewise.
13605 * prefix.c: Likewise.
13606 * profile.c: Likewise.
13607 * protoize.c: Likewise.
13608 * real.h: Likewise.
13609 * recog.c: Likewise.
13610 * recog.h: Likewise.
13611 * regclass.c: Likewise.
13612 * regmove.c: Likewise.
13613 * regs.h: Likewise.
13615 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13617 * ggc-common.c: PROTO -> PARAMS.
13618 * ggc-page.c: Likewise.
13619 * ggc-simple.c: Likewise.
13621 * global.c: Likewise.
13622 * graph.c: Likewise.
13623 * gthr-win32.h: Likewise.
13624 * haifa-sched.c: Likewise.
13625 * halfpic.h: Likewise.
13626 * integrate.c: Likewise.
13627 * integrate.h: Likewise.
13628 * jump.c: Likewise.
13630 * local-alloc.c: Likewise.
13631 * loop.c: Likewise.
13632 * loop.h: Likewise.
13634 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13636 * genattr.c: PROTO -> PARAMS.
13637 * genattrtab.c: Likewise.
13638 * gencheck.c: Likewise.
13639 * gencodes.c: Likewise.
13640 * genconfig.c: Likewise.
13641 * genemit.c: Likewise.
13642 * genextract.c: Likewise.
13643 * genflags.c: Likewise.
13644 * gengenrtl.c: Likewise.
13645 * genopinit.c: Likewise.
13646 * genoutput.c: Likewise.
13647 * genpeep.c: Likewise.
13648 * genrecog.c: Likewise.
13650 2000-01-16 Mark Mitchell <mark@codesourcery.com>
13652 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
13654 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13656 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
13657 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
13658 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
13659 * configure, config.in: Rebuilt.
13661 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
13663 * config/i386/i386.md: Add peephole to merge successive stack
13666 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
13668 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
13669 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
13670 when walking backwards to find all the parameter loads when
13671 the basic block ends in a call.
13673 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13675 * loop.c (this_loop_info): Delete.
13676 (uid_loop): Add in place of uid_loop_num. All uses updated.
13677 (loop_number_exit_count): Delete and replace with entry in loop
13678 structure. All uses updated.
13679 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
13680 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
13681 (loop_outer_loop): Likewise.
13682 (loop_invalid, loop_number_exit_labels): Likewise.
13683 (loop_used_count_register): Delete and replace with entry in
13684 loop_info structure.
13685 (find_and_verify_loops): Add loops argument.
13686 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
13687 loop_end, etc. arguments with loop structure pointer. All callers
13689 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
13690 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
13691 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
13692 (insert_bct): Likewise.
13693 (basic_induction_var): New argument level.
13694 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
13695 vtop, and cont. Add used_count_register.
13696 (uid_loop): Delete declaration.
13697 (loop_number_exit_count): Likewise.
13698 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
13699 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
13700 (loop_outer_loop, loop_used_count_register): Likewise.
13701 (loop_invalid, loop_number_exit_labels): Likewise.
13702 (unroll_loop): Replace loop_start and loop_end arguments
13703 with loop structure pointer.
13704 (loop_precondition_p, loop_iterations): Likewise.
13705 Include basic-block.h.
13706 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
13707 with loop structure pointer.
13708 (loop_precondition_p, loop_iterations): Likewise.
13709 * basic-block.h (struct loop): New entries vtop, cont,
13710 cont_dominator, start, end, top, scan_start, exit_labels,
13712 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
13714 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
13716 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
13718 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
13720 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
13722 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13724 * pdp11-protos.h: New file.
13726 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
13729 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
13732 * pdp11.md: Likewise.
13734 * 2bsd.h: Likewise.
13736 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13738 * mn10300-protos.h: New file.
13740 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
13743 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
13746 * mn10300.md: Likewise.
13748 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13750 * mn10200-protos.h: New file.
13752 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
13755 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
13758 * mn10200.md: Likewise.
13760 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13762 * h8300-protos.h: New file.
13764 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
13767 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
13770 * h8300.md: Likewise.
13772 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13774 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
13775 (asm_emit_uninitialised): Likewise.
13777 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
13779 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
13780 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
13782 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
13784 * config/mips/mips.c (override_options): Don't turn on extra
13785 alignment for mips16.
13787 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
13789 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
13790 eabi, and make sure queued POSTINCREMENT rtl is emitted at
13793 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
13795 * builtins.c (PAD_VARARGS_DOWN): Define.
13796 (std_expand_builtin_va_arg): Use the above macro.
13797 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
13798 * tm.texi (Register Arguments): Document the above macro.
13800 2000-01-14 Nick Clifton <nickc@cygnus.com>
13802 * emit-rtl.c (emit_insn): If checking is enabled, make sure
13803 that this function has not been used to emit a jump
13806 * jump.c (return_jump_1): Cope with being passed a null rtx.
13808 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13810 * eh-common.h: PROTO -> PARAMS.
13811 * emit-rtl.c: Likewise.
13812 * errors.c: Likewise.
13813 * errors.h: Likewise.
13814 * except.c: Likewise.
13815 * except.h: Likewise.
13816 * explow.c: Likewise.
13817 * expmed.c: Likewise.
13818 * expr.c: Likewise.
13819 * expr.h: Likewise.
13820 * final.c: Likewise.
13821 * fix-header.c: Likewise.
13822 * flow.c: Likewise.
13823 * fold-const.c: Likewise.
13824 * function.c: Likewise.
13825 * function.h: Likewise.
13827 * gcov-io.h: Likewise.
13828 * gcov.c: Likewise.
13829 * gcse.c: Likewise.
13831 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13833 * sh-protos.h: New file.
13835 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
13836 Add static prototypes. Fix compile time warnings.
13838 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
13842 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13844 * arc-protos.h: New file.
13846 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
13849 * arc.h: Move prototypes to arc-protos.h. Fix compile time
13852 * arc.md: Likewise.
13854 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13856 * dsp16xx-protos.h: New file.
13858 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
13861 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
13864 * dsp16xx.md: Likewise.
13866 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13868 * convex-protos.h: New file.
13870 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
13873 * convex.h: Move prototypes to convex-protos.h. Fix compile time
13876 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13878 * elxsi-protos.h: New file.
13880 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
13883 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
13886 * elxsi.md: Likewise.
13888 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
13890 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
13891 case for moving from HI/LO/HI_LO_REG. This makes the behavior
13892 match the comment for MIPS16.
13894 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
13896 * flow.c (split_edge): Do not call set_block_for_insn if we
13897 do not have a basic_block_for_insn structure.
13899 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
13900 and destination functions are 32bit aligned within the trampoline.
13901 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
13902 (TRAMPOLINE_ALIGNMENT): Define.
13904 * cse.c (cse_insn): When changing (set (pc) (reg)) to
13905 (set (pc) (label_ref)), verify the change creates a valid insn.
13907 * fr30.c (call_operand): Tighten and rework to match rules for
13908 call RTL expressions.
13909 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
13910 * fr30.md (call patterns): Improve constraints.
13912 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
13914 * fr30.c (fr30_expand_epilogue): Revert last change.
13915 Use emit_jump_insn for the return insn.
13917 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
13918 Stan Cox <scox@cygnus.com>
13920 * predict.c: New file. Preliminary infrastructure work for static
13921 branch prediction and basic block reordering.
13922 * basic-block.h: Add prototype for estimate_probability.
13923 * Makefile.in: Add rules for predict.o.
13925 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
13927 * fixincludes (va_list): Use __not_va_list__ for the dummy.
13928 * fixinc/*: Likewise.
13930 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13932 * cccp.c: PROTO -> PARAMS.
13933 * cexp.y: Likewise.
13934 * collect2.c: Likewise.
13935 * combine.c: Likewise.
13936 * convert.h: Likewise.
13938 * dbxout.c: Likewise.
13939 * dbxout.h: Likewise.
13940 * diagnostic.c: Likewise.
13941 * doprint.c: Likewise.
13942 * dwarf2out.c: Likewise.
13943 * dwarf2out.h: Likewise.
13944 * dwarfout.c: Likewise.
13945 * dwarfout.h: Likewise.
13946 * dyn-string.h: Likewise.
13948 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13950 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
13951 macro conditionals guarding use.
13953 * dwarf2out.c: Include "tm_p.h".
13955 * function.c (locate_and_pad_parm): Mark parameter with
13957 (expand_function_end): Likewise for variable `context'.
13959 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
13961 2000-01-13 Nick Clifton <nickc@cygnus.com>
13963 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
13964 register to prevent compile time warnings.
13966 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
13968 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
13969 to avoid -Wtraditional warning.
13971 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13973 * 1750a-protos.h: New file.
13975 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
13978 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
13981 * 1750a.md: Likewise.
13983 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13985 * a29k-protos.h: New file.
13987 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
13990 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
13993 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13995 * clipper-protos.h: New file.
13997 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
14000 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
14003 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14005 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
14007 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
14009 * configure.in (--enable-new-gxx-abi): New option.
14010 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
14011 * Makefile.in (GXX_ABI_FLAG): New variable.
14012 * configure: Regenerate.
14014 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14016 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
14017 * tm.texi (FORCE_STRUCT_BLK): Document.
14018 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
14020 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
14022 * config/ns32k/ns32k.md: Revert Jan 9 change.
14024 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
14025 to a mode-test, if the predicate is address_operand.
14027 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
14029 * combine.c (if_then_else_cond): Be careful about what kinds
14030 of RTL expressions are passed to operand_subword.
14032 * flow.c (split_edge): If we have to insert a new jump, make
14033 sure to associate it with a basic block.
14035 * flow.c (commit_one_edge_insertion): A block with one successor
14036 can end in a JUMP_INSN that is not a simplejump.
14038 2000-01-12 Robert Lipe <robertl@sco.com>
14040 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
14041 (BUILD_VA_LIST_TYPE): Define.
14042 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
14045 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
14047 * cccp.c (do_pragma): Add cast to (char *).
14049 2000-01-12 Richard Henderson <rth@cygnus.com>
14050 Fred Fish <fnf@be.com>
14051 Jason Merrill <jason@cygnus.com>
14053 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
14054 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
14055 * i386/beos-elf.h, i386/beos-pe.h: New files.
14057 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
14058 * cross-make (SYSTEM_HEADER_DIR): Define using
14059 CROSS_SYSTEM_HEADER_DIR.
14061 * gcc.c (LIBRARY_PATH_ENV): Provide default.
14062 (process_command): Use it.
14063 (main): Likewise. Kill trailing = from env vars.
14064 (build_search_list): Put it back.
14065 * collect2.c (main): Use LIBRARY_PATH_ENV.
14067 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
14068 * toplev.c: Use NEED_DECLARATION_ENVIRON.
14070 * tm.texi (Frame Layout): Document SMALL_STACK.
14071 * c-common.c (c_common_nodes_and_builtins): Check it.
14073 * system.h: Undef alloca after including glibc's <stdlib.h>,
14074 if USE_C_ALLOCA is defined.
14076 * gcc.c (set_input): New fn.
14077 (main): After all input files are compiled, reset the input file
14080 * aclocal.m4 (rindex, index): If already defined, don't attempt
14083 * ginclude/varargs.h: (__va_list__): Define ifndef.
14084 * ginclude/stdarg.h: Likewise.
14086 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
14087 instead of unsigned char.
14089 * hash.h (true, false, boolean): Undef before enum.
14091 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
14092 proper type of "HOST_WIDE_INT *", rather than their natural type of
14093 "unsigned HOST_WIDE_INT *".
14095 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14097 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
14099 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
14101 * regclass.c (choose_hard_reg_mode): Likewise.
14103 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
14105 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
14107 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14109 * c-common.c: PROTO -> PARAMS.
14110 * c-common.h: Likewise.
14111 * c-decl.c: Likewise.
14112 * c-iterate.c: Likewise.
14113 * c-lang.c: Likewise.
14114 * c-lex.c: Likewise.
14115 * c-lex.h: Likewise.
14116 * c-parse.in: Likewise.
14117 * c-pragma.c: Likewise.
14118 * c-pragma.h: Likewise.
14119 * c-tree.h: Likewise.
14120 * c-typeck.c: Likewise.
14121 * objc/objc-act.c: Likewise.
14122 * objc/objc-act.h: Likewise.
14124 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14126 * m88k-protos.h: New file.
14128 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
14131 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
14133 * m88k.md: Likewise.
14135 * tekXD88.h: Likewise.
14137 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14139 * m68k-protos.h: New file.
14141 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
14144 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
14146 * mot3300.h: Likewise.
14148 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
14150 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
14152 (extract_bitlist): Declare bitlen.
14154 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
14156 * cccp.c: Accept and ignore -lang-fortran.
14158 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
14159 qualifiers don't match at any level of pointerness.
14161 2000-01-12 Robert Lipe <robertl@sco.com>
14163 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
14165 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
14167 * reload1.c (reload_reg_unavailable): New static variable.
14168 (reload_reg_free_p): Test it.
14169 (reload_reg_free_for_value_p): Test it instead of
14171 (choose_reload_regs_init): Compute it.
14173 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
14175 * reorg.c (fill_slots_from_thread): Check modified_in_p
14178 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
14180 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
14181 these nodes even if INTERNALS is not set.
14183 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
14185 * gcse.c (delete_null_pointer_checks_1): Cope when
14186 get_condition cannot determine the condition.
14188 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
14190 * toplev.h (set_message_length): Declare.
14192 * diagnostic.c (obstack_chunk_alloc): Define macro.
14193 (obstack_chunk_free): Likewise.
14194 (struct output_buffer): New data structure.
14195 (vmessage): Remove.
14196 (output_maximum_width): New variable.
14197 (doing_line_wrapping, set_message_length, init_output_buffer,
14198 get_output_prefix, output_space_left, emit_output_prefix,
14199 output_newline, output_append, output_puts, dump_output,
14200 vbuild_message_string, build_message_string, build_location_prefix,
14201 voutput_notice, output_printf, line_wrapper_printf,
14202 vline_wrapper_message_with_location): New functions. Implement
14203 automatic line wrapping.
14204 (v_message_with_decl): Make it handle automatic line wrapping.
14205 (v_error_with_file_and_line): Likewise.
14206 (v_warning_with_file_and_line): Likewise.
14207 (announce_function): Likewise.
14208 (default_print_error_function): Likewise.
14210 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
14212 * cpplib.h (struct cpp_options): Change lang_asm to char.
14214 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
14215 done in cpp_handle_option now.
14216 (initialize_builtins): Take out special case code used only by
14218 (cpp_handle_option): Turn off trigraphs and trigraph warnings
14219 if -traditional. Recognize -lang-fortran and set
14220 lang_fortran, also turn off cplusplus_comments.
14221 (print_help): Document -lang-fortran.
14222 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
14223 lang_asm. Ignore all directives other than `# 123 "file"' if
14225 (cpp_get_token): If -traditional, don't recognize directives
14226 unless the # is in column 1.
14227 (parse_string): If lang_fortran or lang_asm, silently
14228 terminate strings ('' or "") at end of line.
14229 Remove unnecessary braces.
14231 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14232 Richard Henderson <rth@cygnus.com>
14234 * resource.c (mark_referenced_resources): Mark a set strict_low_part
14236 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
14237 strict_low_part when possible.
14239 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14241 * alias.c: PROTO -> PARAMS.
14242 * basic-block.h: Likewise.
14243 * bitmap.c: Likewise.
14244 * bitmap.h: Likewise.
14245 * builtins.c: Likewise.
14246 * c-aux-info.c: Likewise.
14247 * caller-save.c: Likewise.
14248 * calls.c: Likewise.
14250 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14252 * Makefile.in (toplev.o): Depend on regs.h.
14254 * output.h (tdesc_section): Prototype.
14256 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
14258 * sdbout.c: Include "tm_p.h".
14260 * toplev.c: Include "regs.h".
14262 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
14264 * unroll.c (unroll_loop): Add EH support.
14266 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14268 * pa-protos.h: New file.
14270 * pa.c: Include recog.h and tm_p.h.
14271 (compute_zdepwi_operands, compute_movstrsi_length,
14272 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
14273 find_addr_reg, import_milli): Add static prototypes.
14274 (pa_cpu_string, pa_arch_string): Constify a char*.
14275 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
14276 (read_only_operand): Add argument `mode'.
14277 (singlemove_string, output_move_double, output_fp_move_double,
14278 output_block_move, output_and, output_ior, output_ascii,
14279 remove_useless_addtr_insns, milli_names, output_mul_insn,
14280 output_div_insn, output_mod_insn, output_arg_descriptor,
14281 output_cbranch, output_bb, output_bvb, output_dbra, ,
14282 output_millicode_call, output_call, hppa_encode_label,
14283 output_parallel_movb, output_parallel_addb): Constify a char*.
14284 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
14285 (output_parallel_addb): Remove extra arg to `constrain_operands'
14287 * pa.h: Move all prototypes to pa-protos.h.
14288 (pa_cpu_string, pa_arch_string): Constify a char*.
14289 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
14291 * pa.md: Call `function_label_operand' with mode argument.
14292 Likewise for `read_only_operand'.
14293 Fix nesting of parens in call to `symbolic_operand'.
14295 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14297 * i860-protos.h: New file.
14299 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
14302 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
14304 * i860.md: Likewise.
14306 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
14308 * i386.md (movstrsi expander): Rewrite.
14309 (movstrsi_1 insn): Deleted.
14310 (strmovhi, strmovqi expander): New expanders.
14311 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
14312 * i386.c (x86_single_stringop): New global variable.
14313 * i386.h (x86_single_stringop): Declare.
14314 (TARGET_SINGLE_STRINGOP): New macro.
14316 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
14318 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
14319 integer vararg POSTINCREMENT before the destination of the jump
14320 for the hard fp case.
14321 (function_arg_pass_by_reference): Pass a copy of CUM to
14324 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
14325 for CONSTANT_ADDRESS_P above while loop for subreg.
14327 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
14329 * flow.c (propagate_block): When a prologue/epilogue insn
14330 is marked dead, unconditionally clear libcall_is_dead and
14331 insn_is_dead, and only dump rtl if warnings aren't being
14334 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
14336 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
14337 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
14338 (FIXED_REGISTERS): Set dirflag as fixed.
14339 (CALL_USED_REGISTERS): Set dirflag as used.
14340 (REG_ALLOC_ORDER): Set dirflag as last one.
14341 (DIRFLAG_REG): New macro.
14342 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
14343 (HI_REGISTER_NAMES): Add dirflag.
14344 (DEBUF_PRINT_REG): Handle dirflag.
14345 * i386.md (type attribute): New cld and str types.
14346 (length_opcode attribute): Set cld and str to 1.
14347 (memory attribute): Set str to unknown - it is not clear from the
14349 (pent_np function unit): Prefixed string operations takes 12 cycles
14350 minimally; cld takes 2 cycles.
14351 (ppro_uops attribute): Str is "many" and cld is "few".
14352 (ppro_p0 unit): Handle cld here.
14353 (k6_alux unit): Handle cld and str types.
14354 (k6_load unit): It is ocupied by str opcodes.
14355 (k6_store unit): It is ocupied by str opcodes.
14356 (athlon_decode): Str is vector decoded.
14357 (athlon_ieu): Handle str and cld.
14358 (cld pattern): New.
14359 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
14360 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
14361 cmpstrsi_nz_1 insn): Do not output cld instruction
14363 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
14365 * gcc.texi (G++ and GCC): Add Java and Chill.
14366 (Bug Critera): Don't list languages.
14368 * gcc.texi (Incompatibilities): No longer claim most C compilers
14371 * gcc.texi (G++ and GCC): Update other front-ends list.
14373 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
14375 * i386.c (ix86_expand_setcc): Fix typo.
14376 (ix86_expand_movcc): Similarly.
14378 * Band-aid until haifa's bitset implementation is nuked.
14379 * haifa-sched.c (extract_bitlst): New parameter for size of the
14380 bitset in bits. All callers changed. Avoid looking at undefined
14381 bits in the bitset.
14382 (edgeset_bitsize): New variable.
14383 (schedule_region): Initialize edgeset_bitsize.
14385 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14387 * Makefile.in (optabs.o): Depend on real.h
14388 (resource.o): Depend on insn-attr.h
14390 * builtins.c (result_vector): Wrap prototype in macro conditions
14391 governing definition and use.
14393 * c-common.c: Include tm_p.h.
14395 * c-lex.c: Likewise.
14397 * elfos.h: Constify a char*.
14399 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
14400 (get_attr_length, shorten_branches, profile_after_prologue): Mark
14401 parameter with ATTRIBUTE_UNUSED.
14403 * fold-const.c (exact_real_inverse): Wrap variable `i' in
14406 * haifa-sched.c (schedule_insns): Mark parameter with
14409 * optabs.c: Include real.h.
14411 * real.h (ereal_atof): Add prototype arguments.
14413 * resource.c: Include insn-attr.h.
14415 * sdbout.c (sdbout_queue_anonymous_type,
14416 sdbout_dequeue_anonymous_types): Wrap in macro
14417 SDB_ALLOW_FORWARD_REFERENCES.
14418 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
14421 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
14423 * stupid.c: Include tm_p.h.
14425 * tree.c (real_value_from_int_cst): Mark parameter with
14428 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14430 * i960-protos.h: New file.
14432 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
14435 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
14437 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14439 * combine.c (expand_field_assignment): Do not discard SUBREGs
14440 while computing nonzero_bits.
14442 2000-01-09 Nick Clifton <nickc@cygnus.com>
14444 * config/arm/arm.c: Fix compile time warnings about signed vs
14445 unsigned constants.
14446 * config/arm/arm.h: Fix compile time warnings about signed vs
14447 unsigned constants.
14449 2000-01-09 Philip Blundell <philb@gnu.org>
14451 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
14452 than `ldm' with only one register.
14453 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
14456 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
14459 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
14461 * config/ns32k/ns32k.md (load or push effective address): Operand 1
14464 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14466 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
14467 assignment used as truth value.
14469 * function.c (assign_temp): Mark parameter `dont_promote' with
14470 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
14471 PROMOTE_FOR_CALL_ONLY.
14473 * genrecog.c (write_subroutine): Mark variable `operands' with
14476 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
14479 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
14480 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
14482 * toplev.c (note_deferral_of_defined_inline_function): Likewise
14485 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14487 * config/c4x.h: Tidy up comments.
14488 * config/c4x.c: Likewise.
14490 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
14492 * fold-const.c (lshift_double, rshift_double): Handle
14493 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
14495 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14497 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
14498 in prepare_function_start().
14500 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
14502 * config/v850/v850.c (expand_epilogue): Interrupt functions no
14503 longer allocate extra stack for function calls.
14505 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14507 * config/c4x/c4x.md (*subqf3_set): Fix typo.
14509 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14511 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
14513 2000-01-07 David Edelsohn <edelsohn@gnu.org>
14515 * rs6000.c (processor_target_table): Add power3 as alias for 630.
14516 * aix43.h: Revert Aug 2 change.
14517 (HAS_INIT_SECTION): Define, not visible yet.
14518 (LD_INIT_SWITCH): Define, not visible yet.
14519 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
14521 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
14523 * collect2.c (main): Expand ld2 size further.
14524 (export_object_lst): Cast assignment to avoid warning.
14525 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
14526 (scan_prog_file, COFF): Do not collect initialization or
14527 finalization functions generated for entire shared object if
14528 init/fini support present.
14530 2000-01-07 Nick Clifton <nickc@cygnus.com>
14532 * config/elfos.h: Tidy up formatting of marcos. Make sure
14533 that .section directives are always prefixed by a tab.
14535 * config/svr4.h: Add #include "elfos.h" and remove duplicate
14538 2000-01-07 Matt Austern <austern@sgi.com>
14540 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
14543 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
14545 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
14547 (crtbegin.o, s-crtS): Likewise.
14549 2000-01-06 Richard Henderson <rth@cygnus.com>
14551 * alpha.md (adddi_2+1): Limit offset such that it will be
14552 loadable with a single ldah+lda pair.
14553 (adddi_2+2): Explicitly fail split if we can't make it work.
14555 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
14557 * protoize.c: Conditionally include unistd.h.
14558 (IS_SAME_PATH_CHAR): New macro.
14559 (IS_SAME_PATH): New macro.
14560 (CPLUS_FILE_SUFFIX): New macro.
14561 (cplus_suffix): New static variable.
14562 (is_abspath): New static function.
14563 (in_system_include_dir): Handle DOS style pathnames.
14564 (file_could_be_converted): Likewise.
14565 (file_normally_convertible): Likewise.
14566 (directory_specified_p): Likewise.
14567 (file_excluded_p): Likewise.
14568 (abspath): Likewise.
14569 (shortpath): Likewise.
14570 (referenced_file_is_newer): Likewise.
14571 (save_def_or_dec): Likewise.
14572 (do_processing): Likewise.
14574 (edit_file): Likewise. Use rename instead of link.
14575 (rename_c_file): Likewise. Don't rename syscalls file.
14576 (munge_compile_params): Define null device for DOS based systems.
14577 (process_aux_info_file): Use binary mode if appliable.
14578 (edit_file): Likewise.
14579 * invoke.texi (Running Protoize): Document C++ suffixes used.
14581 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
14582 IS_DIR_SEPARATOR macros.
14583 * collect2.c: Likewise.
14584 * cppinit.c: Likewise.
14585 * dwarf2out.c: Likewise.
14587 * gcov.c: Likewise.
14588 * prefix.c: Likewise.
14590 * toplev.c: Likewise.
14591 * system.h: And move to here.
14593 * prefix.c (update_path): Fix typo in variable name.
14595 2000-01-06 Richard Henderson <rth@cygnus.com>
14597 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
14598 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
14599 (count_reg_sets_1, count_reg_references): Likewise.
14600 (flow_loops_level_compute): Start counting actual loop depth at 1.
14601 (flow_loops_find): Likewise.
14602 * local-alloc.c (update_equiv_regs): Likewise.
14603 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
14605 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
14607 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
14608 FIRST_PSEUDO_REGISTER
14609 * dwarf2out.c: Don't include frame.h
14610 * dwarfout.c: Likewise
14611 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
14614 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
14616 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
14619 * i386.c (movsf splitter): Fix typo in my last checkin.
14621 2000-01-05 Nick Clifton <nickc@cygnus.com>
14623 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
14624 own definition of this macro.
14625 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
14626 flag_data_sections or UNIQUE_SECTION_P are true.
14628 * tm.texi (UNIQUE_SECTION): Document that it can be called for
14629 unitialised data decls.
14631 * config/i386/winnt.c (i386_pe_unique_section): Cope with
14632 being called for uninitialised data.
14634 * config/i386/interix.c (i386_pe_unique_section): Cope with
14635 being called for uninitialised data.
14637 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
14638 for uninitialised data.
14640 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
14641 for uninitialised data.
14643 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
14644 for uninitialised data.
14646 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
14647 (UNIQUE_SECTION_P): Always generate a unique section if
14648 flag_data_sections is true.
14649 (UNIQUE_SECTION): Also generate unique sections for
14650 uninitialised data.
14651 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
14652 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
14655 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14657 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
14660 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14662 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
14663 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
14664 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
14665 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
14666 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
14668 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
14670 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
14672 * c-decl.c (finish_enum): Simplify code to determine minimum and
14673 maximum values of the enum, and calculate the type. Remove check
14674 for FUNCTION_DECLs in the values list, which cannot happen. Replace
14675 the DECL_INITIAL of each enumeration constant with a copy converted
14676 to the enumeration type. When updating variant types, don't bother
14677 updating the type itself.
14679 * c-typeck.c (build_binary_op): Simplify conditional expressions
14680 when weeding out spurious signed-unsigned warnings. Add new
14681 spurious warning category: if the unsigned quantity is an enum
14682 and its maximum value fits in signed_type(result_type). Update
14684 (build_conditional_expr): Warn here if one alternative is signed
14685 and the other is unsigned.
14687 2000-01-05 Nick Clifton <nickc@cygnus.com>
14689 * config/fr30/fr30.h: Remove extraneous comments.
14691 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
14693 * reload1.c (choose_reload_regs): When disabling a reload, also
14694 set reload_spill_index to -1.
14696 2000-01-04 Joel Sherrill (joel@OARcorp.com>
14698 * configure.in (m68*-*-rtemscoff*): New target, formal name for
14700 (m68*-*-rtemself*): New target.
14701 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
14702 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
14703 (sparc*-*-rtemself*): New target.
14704 (sparc*-*-rtems*): Now elf not a.out.
14705 * config/i386/rtems.h: Include config/rtems.h.
14706 * config/i386/rtemself.h: Include config/rtems.h.
14707 * config/i960/rtems.h: Include config/rtems.h.
14708 * config/m68k/rtems.h: Include config/rtems.h.
14709 * config/m68k/rtemself.h: Include config/rtems.h.
14710 * config/mips/rtems64.h: Include config/rtems.h.
14711 * config/pa/rtems.h: Include config/rtems.h.
14712 * config/rs6000/rtems.h: Include config/rtems.h.
14713 * config/sh/rtems.h: Include config/rtems.h.
14714 * config/sh/rtemself.h: Include config/rtems.h.
14715 * config/sparc/rtems.h: Include config/rtems.h.
14716 * config/sparc/rtemself.h: Include config/rtems.h
14718 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
14720 * final.c (shorten_branches): Correctly compute length of
14721 asms without operands.
14723 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
14725 * configure.in: Add pj target.
14726 * configure: Regenerate.
14727 * config/pj: New directory.
14728 * config/pj/lib1funcs.S: New file.
14729 * config/pj/linux.h: New file.
14730 * config/pj/pj.c: New file.
14731 * config/pj/pj.md: New file.
14732 * config/pj/pjl.h: New file.
14733 * config/pj/t-pj: New file.
14734 * config/pj/xm-pj.h: New file
14736 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
14738 * toplev.c (rest_of_compilation): Run shorten-branches before
14741 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14743 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
14744 macros so that they're consistent with their names.
14745 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
14746 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
14748 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14750 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
14751 modified inadvertently.
14753 2000-01-04 Joel Sherrill <joel@OARcorp.com>
14755 * configure.in (v850*-*-rtems*): New target.
14756 * configure: Regenerate.
14757 * config/v850/rtems.h: New file.
14759 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
14761 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
14762 (__gthread_key_create): Likewise.
14763 (__gthread_key_dtor): Likewise.
14764 (__gthread_once): Fix logic.
14765 (__gthread_key_delete): Cast away constness.
14767 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
14768 * invoke.texi: Document.
14769 * i386/mingw32.h (CPP_SPEC): Use.
14770 (LIBGCC_SPEC): Likewise.
14771 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
14773 2000-01-04 David Edelsohn <edelsohn@gnu.org>
14775 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
14776 (HANDLE_PRAGMA_PACK): Undefine.
14777 (SLOW_UNALIGNED_ACCESS): Define.
14779 2000-01-04 David Edelsohn <edelsohn@gnu.org>
14781 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
14782 to default definition.
14783 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
14784 (store_fixed_bit_field): Call macro with word_mode and alignment.
14785 (extract_bit_field): Call macro with relevant mode and alignment.
14786 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
14787 to default definition.
14788 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
14790 (move_by_pieces_ninsns): Likewise.
14791 (clear_by_pieces): Likewise.
14792 (emit_push_insn): Likewise.
14793 (store_field): Call macro with relevant mode and alignment.
14794 (expand_expr): Likewise.
14795 (expand_expr_unaligned): Likewise.
14797 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
14798 (SLOW_UNALIGNED_ACCESS): Define.
14799 (CASE_VECTOR_MODE): Always use 32-bit offsets.
14800 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
14801 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
14802 (toc_section): Likewise and .toc pseudo-op.
14803 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
14805 (TEXT_SECTION_ASM_OP): Likewise.
14806 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
14809 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
14810 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
14811 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
14812 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
14813 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
14815 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
14817 * regclass.c: Revert my Jan 4 change to loop cost computation.
14819 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
14821 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
14824 2000-01-04 Stan Cox <scox@cygnus.com>
14826 * haifa-sched.c (build_control_flow): Change unreachable simple
14827 loop test to check if current block has only one predecessor.
14828 (find_rgns): Initialize degree. Use dest as degree index, not src.
14830 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14832 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
14834 * calls.c (expand_call): Likewise for
14835 `old_stack_arg_under_construction'.
14837 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
14839 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
14842 * gcc.c (execute): Likewise for `ut' and `st'.
14844 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
14846 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
14848 * jump.c (jump_optimize_1): Likewise for `temp2'.
14850 * local-alloc.c (block_alloc): Likewise for `r1'.
14852 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
14854 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
14855 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
14857 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
14860 * reload.c (find_reloads): Likewise for `goal_alternative_number'
14861 and `goal_earlyclobber'.
14863 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
14865 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
14867 * stupid.c (stupid_life_analysis): Likewise for `chain'.
14869 * unroll.c (copy_loop_body): Likewise for `copy'.
14871 * varasm.c (output_constructor): Likewise for `byte'.
14873 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
14875 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
14876 all FP constants for constant->reg moves.
14877 (ix86_split_to_parts): Try to convert memory address into immediate
14878 when available in the constant pool.
14879 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
14881 (LEGITIMATE_CONSTANT_P): Return 1.
14882 * i386.md (pushsf): New splitter to convert constant pool memory
14883 reference to immediate.
14884 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
14887 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
14889 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
14890 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
14891 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
14892 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
14893 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
14895 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
14897 * ginclude/stdbool.h: Support compilation as C++.
14899 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14901 * fold-const.c (make_range): Don't try to reverse an unbounded range.
14903 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
14905 * regclass.c (regclass): Properly compute loop_cost. Adjust
14908 * regclass.c: Fix minor whitespace problems.
14910 2000-01-03 Anthony Green <green@cygnus.com>
14912 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
14913 Restore the pic register if required.
14915 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
14917 * c-common.c (format_char_info): Update comment.
14918 (check_format_info): Recognize 'z' modifier in the same way 'Z'
14919 was recognized. Emit warning for formats new in ISO C99 only
14920 if flag_isoc9x is not set.
14922 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
14924 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
14926 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
14928 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
14929 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
14930 (make_compound_operation): Choose cheaper alternative between
14931 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
14933 * regclass.c (op_costs): Remove global variable.
14934 (record_reg_classes): New parameter "op_costs" and "reg_pref".
14935 (record_operand_costs): Break out from ...
14936 (scan_one_insn): ... here.
14937 (dump_regclass): Make dumps nicer.
14938 (regclass): Dump preferrences choosed and changes done during passes.
14940 2000-01-03 Jakub Jelinek <jakub@redhat.com>
14942 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
14944 2000-01-03 Jakub Jelinek <jakub@redhat.com>
14946 * config/sparc/sparc.c (gen_df_reg): New function.
14947 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
14948 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
14949 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
14950 movtf_cc_reg_sp64+1): Use it.
14952 2000-01-02 Mark Mitchell <mark@codesourcery.com>
14954 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
14955 copied LABEL_DECLs.
14957 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
14959 * config/i386/i386.c (ix86_expand_unary_operator): Function
14960 definition made void.
14961 (ix86_expand_binary_operator): Update outdated preceding comment.
14962 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
14965 * config/i386/i386.c (override_options): Fix option-name typo.
14967 2000-01-02 Mark Mitchell <mark@codesourcery.com>
14969 * system.h (CEIL): Define.
14970 * builtins.c (CEIL): Remove.
14971 * expmed.c (CEIL): Likewise.
14972 * expr.c (CEIL): Likewise.
14973 * stor-layout.c (CEIL): Likewise.
14975 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14977 * expr.c (store_constructor_field): Fix typo introduced with last
14980 2000-01-01 Mark Mitchell <mark@codesourcery.com>
14982 * tree.h (BINFO_N_BASETYPES): New macro.
14984 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
14986 * expmed.c (emit_store_flag): Prevent losing a pending stack
14987 adjust the same way we prevent losing queued increments.
14989 See ChangeLog.2 for earlier changes.