1 2000-05-28 Neil Booth <NeilB@earthling.net>
3 * cpplex.c (_cpp_init_toklist): No comment space to initialise.
4 (_cpp_free_toklist): No comment space to free.
5 (expand_comment_space): Remove.
6 (save_comment_space): Place the comment in the current token and
7 not in a separate comment space.
8 (_cpp_lex_line): Save comments during plain code and #define
10 * cpplib.h (struct _cpp_toklist): Remove comment space.
12 2000-05-28 Neil Booth <NeilB@earthling.net>
14 * cppexp.c (parse_assertion): Supply extra argument to
16 * cpplib.c (do_assert, do_unassert): Similarly.
17 * cpphash.h (_cpp_init_toklist) Update.
18 (_cpp_expand_token_space): New.
19 (DUMMY_TOKEN, NO_DUMMY_TOKEN): New.
20 * cpplex.c (_cpp_init_toklist): New argument.
21 (parse_string2): New argument multiline_ok.
22 (spell_token): Take a const cpp_token *.
23 (INIT_NAME): Replace with INIT_TOKEN_NAME. Update tokens_used.
24 (SPELL_ macros): Replace with enum.
25 (expand_token_space): Replace with _cpp_expand_token_space.
27 (IS_DIRECTIVE): Update.
28 (_cpp_lex_line): Update token structure before parsing number.
29 Don't assume start at beginning of token list.
30 (save_comment): Use INIT_TOKEN_NAME.
32 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
34 * configure.in (stage1_warn_cflags): Add -Wstrict-prototypes
36 * configure: Regenerate.
37 * gcc.texi: Remove explanation of MD_CALL_PROTOTYPES.
39 * builtins.c, calls.c: Change all instances of gen_call_* or
40 gen_sibcall_* to GEN_CALL_* and GEN_SIBCALL_*.
41 * calls.c (struct_value_size_rtx): Separate definition from
42 initialization to avoid unused variable warning.
44 * genflags.c (gen_macro): New function.
45 (gen_proto): Call it for gen_call_* and gen_sibcall_*.
46 (gen_nonproto): Delete.
47 (gen_insn): Put all insns on the same obstack.
48 (main): Generate prototypes for everything unconditionally.
50 * configure.in: Add AC_CHECK_TYPE(ssize_t). Remove commented
51 out check for wchar_t.
52 * acconfig.h: Add template for ssize_t. Remove @TOP@.
53 * system.h: Add infrastructure for defining missing
54 TYPE_MAX/TYPE_MIN macros. Use it to provide fallback
55 definitions of UCHAR_MAX and SSIZE_MAX.
56 * configure: Regenerate.
57 * config.in: Regenerate.
59 * Makefile.in (libgcc2.ready): Rename to libgcc.ready.
60 Depend on $(LANGUAGES) as well as $(GCC_PATCHES) and fixed
62 (clean): No need to delete libgcc1.a, libgcc1-asm.a,
63 libgcc2.a, or libgcc1.null.
65 2000-05-27 Richard Henderson <rth@cygnus.com>
67 * Makefile.in (recog.o): Don't depend on resource.h.
68 * recog.c: Don't include resource.h.
69 (recog_last_allowed_insn): Remove.
70 (recog_next_insn): Remove.
71 (struct peep2_insn_data): New.
72 (peep2_insn_data, peep2_current): New.
73 (peep2_next_insn): New.
74 (peep2_regno_dead_p, peep2_reg_dead_p): New.
75 (peep2_find_free_register): New.
76 (peephole2_optimize): Track life information by insn as we go.
77 * recog.h: Update declarations.
78 * resource.c (find_free_register, reg_dead_p): Remove.
79 * resource.h: Remove their declarations.
80 * toplev.c: Include hard-reg-set.h before recog.h.
82 * genconfig.c (max_insns_per_peep2): New.
85 * genemit.c (output_peephole2_scratches): Generate calls to
86 peep2_find_free_register; adjust surrounding code.
87 (main): Have insn-emit.c include hard-reg-set.h before recog.h.
88 * genrecog.c (change_state): Don't track last_insn.
89 (write_action): Write into *_pmatch_len before accepting.
90 (write_tree): Adjust peephole2_insns and subroutines to match.
92 * config/i386/i386.md (all peepholes): Use peep2_regno_dead_p.
94 * config/alpha/alpha.c (hard_fp_register_operand): Mind the mode.
95 (hard_int_register_operand): New.
96 * config/alpha/alpha-protos.h: Declare it.
97 * config/alpha/alpha.h (PREDICATE_CODES): Update.
98 * config/alpha/alpha.md (peep2 patterns): Use hard_int_register_operand
99 as needed; use peep2_reg_dead_p instead of dead_or_set_p.
101 2000-05-27 Richard Henderson <rth@cygnus.com>
103 * function.c (thread_prologue_epilogue_insns): Don't move the
104 line note at the head of the chain. Only force a lineno note
105 before the end of block 0.
107 2000-05-27 Richard Henderson <rth@cygnus.com>
109 * gensupport.c (collect_insn_data): Record the maximum number
110 of alternatives, not the last seen.
112 * genoutput.c: Don't include errors.h.
113 (struct data): Add lineno member.
115 (scan_operands): Use message_with_line instead of error.
116 (validate_insn_alternatives): Likewise.
117 (gen_insn): Accept and store the pattern's line number.
118 (gen_peephole, gen_expand, gen_split): Likewise.
119 (main): Don't set progname. Pass line_no to gen_foo.
121 2000-05-27 Richard Henderson <rth@cygnus.com>
123 * config/d30v/d30v.c (d30v_print_operand): Handle ':'.
124 * config/d30v/d30v.h (PRINT_OPERAND_PUNCT_VALID_P): Accept ':'.
125 * config/d30v/d30v.md (attr predicable): New.
126 (all insn patterns): Mark non-predicable patterns; use %: on the rest.
127 (andsi3*): Unify into one pattern.
128 (iorsi3*, xorsi3*): Likewise.
129 (peephole2 patterns): Use peep2_reg_dead_p; verify not a
131 (old cond_exec patterns): Remove.
132 (define_cond_exec): New.
134 Sat May 27 11:01:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
136 * tree.h (TREE_CODE_LENGTH): New macro.
137 * c-common.c (c_find_base_decl): Use it.
138 * expr.c (safe_from_p): Likewise.
139 * print-tree.c (print_node): Likewise.
140 * tree.c (make_node, copy_node, get_identifier): Likewie.
141 (first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise.
142 (build, build_nt, build_parse_node, simple_cst_equal): Likewise.
143 * fold-const.c (make_range): Likewise.
144 (fold): Likewise; also use first_rtl_op.
145 * c-iterate.c (collect_iterators): Use first_rtl_op.
146 * calls.c (calls_function_1): Likewise; also rename TYPE to CLASS.
147 Use IS_EXPR_CODE_CLASS.
148 (preexpand_calls): Likewise.
149 * ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op
150 and TREE_CODE_LENGTH.
151 * stmt.c (warn_if_unused_value): If no operands, no unused value.
153 2000-05-26 Geoffrey Keating <geoffk@cygnus.com>
155 * config/rs6000/rs6000.md (movsi_internal1): Use '%a1' rather
157 (movdi_internal64): Likewise.
159 * config/rs6000/rs6000.md: Correct order of operands for DImode
162 * config/rs6000/rs6000.c (boolean_or_operator): New function.
163 * config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
164 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
165 * config/rs6000/rs6000.md: Use boolean_or_operator instead of
166 boolean_operator for the boolean patterns without NOTs.
168 * config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
169 from reg_or_u_cint_operand. Change comment and behaviour.
170 (logical_operand): Clean up, add assertion.
171 (non_logical_cint_operand): Also check for
172 reg_or_logical_cint_operand.
173 * config/rs6000/rs6000.h (PREDICATE_CODES): Update.
174 * config/rs6000/rs6000.md (iorsi3): Use reg_or_logical_cint_operand
180 2000-05-26 Mark Mitchell <mark@codesourcery.com>
182 * tree.h (struct record_layout_info): Rename to (struct
183 record_layout_info_s).
184 * stor-layout.c (start_record_layout): Replace
185 `record_layout_info' with `record_layout_info_s'.
187 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
189 * flow.c (find_label_refs): New function.
190 (find_basic_blocks_1): Call it for each alternative of a call
193 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
195 * ifcvt.c (cond_exec_get_condition): Set test_if to the SET_SRC
198 2000-05-25 Richard Henderson <rth@cygnus.com>
200 * config/alpha/alpha.c (alpha_comparison_operator): Don't be
201 so strict about DImode.
202 (alpha_swapped_comparison_operator): Likewise.
203 * config/alpha/alpha.md (*setne_internal): Name it. Allow
204 any integer output mode.
205 (*setcc_internal): Likewise.
206 (*setcc_swapped_internal): Likewise.
207 (*movdicc_internal, *movdicc_lbc, *movdicc_lbs): Name them.
208 (*mov[qhs]icc_internal): New.
209 (*mov[qhs]icc_lbc, *mov[qhs]icc_lbs): New.
211 2000-05-25 J. David Anglin <dave@hiauly1.hia.nrc.ca>
213 * vax.h (CPP_SPEC): Define __GFLOAT and GFLOAT when -mg is specified.
215 2000-05-25 Richard Henderson <rth@cygnus.com>
217 * bb-reorder.c (reorder_block_def): Reorder elements for size.
218 Remove add_jump; add next; replace flags with visited.
220 (REORDER_BLOCK_HEAD, REORDER_BLOCK_VISITED): Remove.
221 (REORDER_BLOCK_FLAGS, REORDER_BLOCK_INDEX): Remove.
222 (REORDER_BLOCK_ADD_JUMP, REORDER_BLOCK_EFF_HEAD): Remove.
223 (REORDER_BLOCK_EFF_END, REORDER_BLOCK_SCOPE): Remove.
225 (reorder_index, reorder_last_visited): Remove.
226 (skip_insns_after_block): Rewrite to use a switch.
227 (get_common_dest): Remove.
228 (chain_reorder_blocks): Remove.
229 (record_effective_endpoints): Split out from reorder_basic_blocks.
230 (make_reorder_chain): Likewise. Loop until all blocks are placed.
231 (make_reorder_chain_1): Renamed from old make_reorder_chain.
232 Only construct the reorder chain, do not move insns. Try harder
234 (label_for_bb, emit_jump_to_block_after): New.
235 (fixup_reorder_chain): Use them. Do bulk block movement. Examine
236 and adjust the jump insns appropriately. Fixup basic_block_info.
237 (verify_insn_chain): Always define.
238 (relate_bbs_with_scopes): Call xmalloc, not xcalloc. Fix thinko
240 (make_new_scope): Don't write zeros to calloc'd space.
241 (build_scope_forest): Rely on xrealloc to DTRT.
242 (reorder_basic_blocks): Don't build loop nest. Don't fail if
243 profile_arc_flag. Streamline EH test.
245 * flow.c (redirect_edge_succ, redirect_edge_pred): New.
246 * basic-block.h: Declare them.
248 2000-05-25 Alexandre Oliva <aoliva@cygnus.com>
250 * emit-rtl.c (reset_used_decls): New function.
251 (unshare_all_rtl_again): Call it.
253 2000-05-25 Zack Weinberg <zack@wolery.cumb.org>
255 * cpplex.c (maybe_macroexpand): Warn about function-like
256 macros used in non-function context, if -Wtraditional.
258 2000-05-25 Mark Mitchell <mark@codesourcery.com>
260 * recog.c (peephole2_optimize): Use INSN_P.
262 2000-05-25 Richard Henderson <rth@cygnus.com>
264 * ifcvt.c (seq_contains_jump): New.
265 (noce_try_store_flag_constants): Use it to fail conversion.
266 (noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
268 2000-05-25 Mark Mitchell <mark@codesourcery.com>
270 * except.h (can_throw): Declare it.
271 * except.c (can_throw): Give it external linkage.
272 * resource.c (find_dead_or_set_registers): Use can_throw.
274 2000-05-25 Richard Henderson <rth@cygnus.com>
276 * flow.c (mark_set_1): Don't record conditionally dead memory.
278 2000-05-25 Jan Hubicka <jh@suse.cz>
280 * combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
281 and pc_set at the place of simplejump_p and condjump_p.
282 * cse.c (record_jump_equiv): Likewise.
283 * emit-rtl.c (emit): Likewise.
284 * explow.c (find_next_ref): Likewise.
285 * flow.c (tidy_fallthru_edge): Likewise.
286 (init_propagate_block_info): Likewise.
287 * gcse.c (delete_null_pointer_checks): Likewise.
288 * ifcvt.c (cond_exec_get_condition, noce_get_condition,
289 dead_or_predicable): Likewise.
290 * integrate.c (copy_insn_list): Likewise.
291 * loop.c (scan_loop, verify_dominator, find_and_verify_loops,
292 for_each_insn_in_loop, check_dbra_loop, get_condition,
293 insert_bct, load_mems): Likewise.
294 * resource.c (find_dead_or_set_registers): Likewise.
295 * sibcalls.c (simplejump_p): Likewise.
296 * unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
298 2000-05-25 David Edelsohn <edelsohn@gnu.org>
300 * rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
301 to STRING case. Use doubleword STRING move for TARGET_POWERPC64
303 * rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
304 (RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
305 (LEGITIMIZE_RELOAD_ADDRESS): unsigned HOST_WIDE_INT high.
306 * rs6000.md: Name various internal patterns.
308 2000-05-25 Jan Hubicka <jh@suse.cz>
310 * jump.c (invert_exp_1): Remove first argument, use pc_set
311 to get the expression.
312 (redirect_exp): Make static; redirect only the pc_set expression,
313 remove first argument.
314 (invert_exp): Remove first argument, make static.
315 (jump_optimize): Use any_condjump_p, any_uncondjump_p and
316 any_onlyjump at most places where we originaly did condjump_p
318 (jump_back_p, follow_jumps, thread_jumps): Likewise.
319 (delete_barrier_succesors): Use pc_set.
320 (invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
321 calls of invert_exp and redirect_exp.
322 * rtl.h (redirect_exp, invert_exp): Remove.
323 * unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
325 2000-05-25 Richard Henderson <rth@cygnus.com>
327 * stmt.c (expand_end_bindings): Fix thinko last change.
329 2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
330 Andrew Haley <aph@cygnus.com>
332 * except.c (func_eh_entry): Add emitted field.
333 (new_eh_region_entry): Set emitted field to 0;
334 (output_exception_table_entry): Only emit previously un-emitted data,
335 and send it to the eh_data section.
336 (output_exception_table): Break out common parts. Output
337 exception table for entire compilation unit to eh_data section.
338 (output_exception_table_data): Common parts of output_exception_table.
339 Send output to eh_data section.
340 (output_function_exception_table): Output exception table data for
341 a single function to eh_data section.
342 (free_exception_table): New external to free the table.
343 * except.h (free_exception_table): Add prototype.
344 (output_function_exception_table): Add prototype.
345 * final.c (final_end_function): Output function exception table
346 for IA64_UNWIND_INFO.
347 (final_scan_insn): Emit any unwind directives for an insn.
349 * frame-dwarf2.c: New file containing all DWARF 2 specific code
351 * frame.c: Remove all DWARF 2 specific code.
352 * config/ia64/frame-ia64.c: New file.
353 (gthread_stuff): Make all gthread available with
355 (dwarf_fde): Define an IA64 struct for dwarf_fde.
356 (__register_frame_info, __register_frame): Move to common area of file.
357 (__register_frame_info_table, __register_frame_table): Move to common i
359 (__deregister_frame_info, __deregister_frame): Move to common area.
360 (__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
361 (read_uleb128): New version for ia64.
362 (get_unwind_record): Read the next IA-64 unwind record.
363 (read_R_record): Read a region header record.
364 (process_a_b_reg_code): X record helper.
365 (read_X_record): Read an X format record.
366 (read_B_record): Read a B format record.
367 (P3_record_types): List of record types matching the P3 format.
368 (P7_record_types): List of record types matching the P7 format.
369 (P8_record_types): List of record types matching the P8 format.
370 (read_P_record): Read a P format record.
371 (init_ia64_reg_loc): Set default fields for a register.
372 (init_ia64_unwind_frame): Set defaults for all register records.
373 (execute_one_ia64_descriptor): Execute one descriptor record.
374 (rse_address_add): Calculate the position of a local reg in memory.
375 (normalize_reg_loc): Turn a location descriptor into a memory address.
376 (maybe_normalize_reg_loc): Only normalize a descriptor if it falls
377 within a specified PC offset range.
378 (get_real_reg_value): Given a register location, retrieve its value.
379 (set_real_reg_value): Change the value of a register location.
380 (copy_reg_value): Copy reg values, if needed.
381 (copy_saved_reg_state): Copy all registers that need to be copied.
382 (process_state_between): Normalize all frame register records that
383 fall within the specified PC range.
384 (frame_translate): Take a processed frame description, and turn
385 everything into addresses.
386 (build_ia64_frame_state ): Find and create frame state record for a PC.
387 (get_personality): Get the personality routine for a given frame.
388 (get_except_table): Get the exception table for a given frame.
389 (record_name): Unwind record names for debugging.
390 (print_record): Print and unwind record.
391 (print_all_records): Print an entire unwind image.
392 (__ia64_backtrace): Print a backtrace.
393 (ia64_backtrace_helper): New function.
394 (__register_frame_info_aux): New function.
395 * config/ia64/crtend.asm (__do_frame_setup_aux): New function.
397 * frame.h (enum unw_record_type): New unwind record types.
398 (struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
399 (struct unw_r_record, unwind_record): New unwind record structs.
400 (struct unwind_info_ptr): Unwind information layout.
401 (IA64_UNW_LOC_TYPE_*): Macros for different types for location
403 (struct ia64_reg_loc): Register location description.
404 (struct ia64_frame_state): Location of all registers in a frame.
405 (struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
406 * libgcc2.c (__ia64_personality_v1): Personality routine.
407 (__calc_caller_bsp): Calculate the bsp register for the caller's
409 (ia64_throw_helper): Figure out who to return to and set up the
411 (__throw): Throw routine.
413 * output.h (assemble_eh_align, assemble_eh_label): New functions
414 to generate EH info where we want it.
415 (assemble_eh_integer): New function.
416 * toplev.c (compile_file): Output module level exception table for
418 (main): Set exceptions_via_longjump and flag_new_exceptions based
419 on IA64_UNWIND_INFO too.
421 * varasm.c (assemble_eh_label): Generate a label via
422 ASM_OUTPUT_EH_LABEL if it has been specified.
423 (assemble_eh_align): Generate an alignment directive via
424 ASM_OUTPUT_EH_ALIGN if it has been specified.
425 (assemble_eh_label): Generate an integer value via
426 ASM_OUTPUT_EH_type if they have been specified.
427 * config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
428 (ia64_init_builtins): Add __builtin_ia64_bsp
429 and __builtin_ia64_flushrs.
430 (ia64_expand_builtin): Add IA64_BUILTIN_BSP and
431 IA64_BUILTIN_FLUSHRS.
432 * config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
433 IA64_BUILTIN_FLUSHRS.
435 * config/ia64/ia64.md (flushrs): New insn to flush the register
436 stack. Add to unspec list.
438 * config/ia64/crtbegin.asm (frame_object): Change size.
439 (__do_frame_setup_aux): New function.
440 * config/ia64/crtend.asm: call __do_frame_setup_aux.
441 * config/ia64/t-ia64 (LIB2ADDEH): Add.
442 * Makefile.in (LIB2ADDEH): Add.
443 (LIB2ADD): Use LIB2ADDEH.
445 2000-05-24 Richard Henderson <rth@cygnus.com>
447 * recog.c (offsettable_address_p): If mode size is zero, assume
450 2000-05-24 J. David Anglin <dave@hiauly.hia.nrc.ca>
452 * configure.in: Check for -Wno-long-long option support and improve
453 handling of warning CFLAGS for stages 1 and 2.
454 * Makefile.in (WARN_CFLAGS): Move definition to configure.in.
455 * configure: Regenerate.
457 Wed May 24 19:37:53 2000 Jeffrey A Law (law@cygnus.com)
459 * gcc.texi: Remove contributor list. Instead include contrib.texi.
460 * contrib.texi: New file.
462 Thu May 25 02:27:22 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
464 * loop.c (basic_induction_var): Avoid double recording of an increment.
466 Thu May 25 02:19:27 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
468 * Back out this patch:
469 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
470 * loop.h (struct induction): Add multi_insn_incr.
471 * loop.c (basic_induction_var): New multi_insn_incr argument.
472 Set it if we search back through previous insns for the biv.
473 (record_biv): New multi_insn_incr argument; fill in struct induction.
474 (strength_reduce): Discard an iv with multiple bivs, any of
475 which require multiple insns to increment.
477 * loop.c (check_insn_for_bivs): Remove bits copied from above patch.
479 Thu May 25 02:09:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
481 * rtl.h (loc_mentioned_in_p): Declare.
482 * reload.c (loc_mentioned_in_p): Moved from here...
483 * rtlanal.c (loc_mentioned_in_p): to here. No longer static.
484 Fix loop increment for 'E' handling.
485 * loop.c (strength_reduce): When doing biv->giv conversion,
486 take multi-insn biv increments into account.
488 2000-05-24 Jason Merrill <jason@casey.soma.redhat.com>
490 * stmt.c (expand_end_bindings): Look through NOTEs to find a
493 2000-05-24 Mark Mitchell <mark@codesourcery.com>
495 * calls.c (expand_call): Handle cleanups in tail-recursion
496 arguments analagously to cleanups in sibling calls.
498 2000-05-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
500 * simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
503 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
505 * expr.c (expand_assignment, store_expr, expand_expr,
506 expand_expr_unaligned): Set in_check_memory_usage while emitting
507 chkr_check_addr libcall.
509 2000-05-24 Nick Clifton <nickc@cygnus.com>
511 * fold-const.c (extract_muldiv): When constructing a
512 multiplier/divisor, do not expect const_binop to correctly
513 determine if overflow has occured, so check explicitly.
515 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
517 * c-decl.c (build_enumerator): Don't modify the value's type,
520 2000-05-24 Andreas Jaeger <aj@suse.de>
522 * mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
524 2000-05-24 Eric Christopher <echristo@cygnus.com>
526 * configure.in: Redefine inhibit_libc conditions.
527 * libgcc2.c: Remove inhibit_libc conditional define.
528 * configure: Regenerate.
530 2000-05-24 Phil Edwards <pme@sourceware.cygnus.com>
532 * configure.in: For --enable-languages=LIST, check for empty LIST.
533 * configure: Regenerate.
535 2000-05-24 Lars Brinkhoff <lars@nocrew.org>
537 * pdp11.h (STACK_BOUNDARY): Define.
539 2000-05-24 Jakub Jelinek <jakub@redhat.com>
541 * ifcvt.c (if_convert): Update life info globally.
543 2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
545 * emit-rtl.c (unshare_all_decls): New function.
546 (unshare_all_rtl): Call it.
548 2000-05-23 Nick Clifton <nickc@cygnus.com>
550 * configure.in: Treat 'strongarm' as if it were 'arm' when
551 determining cpu type.
553 * configure: Regenerate.
555 * config/arm/arm.c: Change 'char *' to 'const char *' for cases
556 where constant strings are involved.
558 * config/arm/arm.h (arm_condition_codes): Change type to 'const
561 * config/arm/arm-protos.h: Change 'char *' to 'const char *' for
562 cases where constant strings are involved.
564 Tue May 23 15:08:31 2000 Clinton Popetz <cpopetz@cygnus.com>
566 * config/sh/sh.c (gen_far_branch, split_branches): Update
567 to reflect new prototypes for redirect_jump and invert_jump.
568 (sh_insn_length_adjustment): Get rid of const warnings.
570 2000-05-23 Kazu Hirata <kazu@hxi.com>
572 * invoke.texi (Options for Debugging Your Program or GCC): Update
573 the names of dump files.
575 Tue May 23 13:58:52 2000 Philippe De Muyter <phdm@macqel.be>
577 * configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
578 * configure: Regenerated.
580 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
582 * simplify-rtx.c (SIGN_EXTEND): New macro.
583 (simplify_unary_operation, simplify_binary_operation,
584 simplify_relational_operation): Use SIGN_EXTEND. Make low
585 halves of (low, high) pairs unsigned if they weren't already.
586 (simplify_ternary_operation): Cast INTVAL to unsigned before
587 comparing to a MODE_BITSIZE.
589 2000-05-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
591 * aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
592 rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
594 * configure.in (gcc_AC_CHECK_DECLS): Call this instead of
595 gcc_AC_NEED_DECLARATIONS.
597 * dwarfout.c: Don't prototype time().
599 * gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
601 * system.h: Likewise.
603 * toplev.c: Likewise.
605 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
607 * c-decl.c (pushdecl): Invert sense of test for non-global types.
609 Tue May 23 18:11:42 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
611 * reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
613 2000-05-23 Jonathan Larmour <jlarmour@redhat.co.uk>
615 * config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
617 Tue May 23 06:50:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
619 * config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
620 (alpha_start_function): Never write ..ng label if VMS or NT.
621 (alpha_align_insns): Remove GP_IN_USE arg.
622 Alignment now unsigned.
623 (alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
624 * config/alpha/alpha.md (prologue_ldgp): Split into one define_expand
625 and two define_insn's.
627 2000-05-22 Richard Henderson <rth@cygnus.com>
629 * combine.c (simplify_comparison): Use trunc_int_for_mode.
631 2000-05-22 Richard Henderson <rth@cygnus.com>
633 * stor-layout.c (place_field): Change rli->size to rli->offset.
635 2000-05-22 Richard Henderson <rth@cygnus.com>
637 * function.c (thread_prologue_and_epilogue_insns): Make sure
638 existing line number notes appear after the prologue.
640 Mon May 22 21:49:00 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
642 * config/alpha/alpha.c (alpha_fnname): New static variable.
643 (print_operand, case '~'): New case.
644 (alpha_expand_prologue): Emit prologue_ldgp insn if needed.
645 (alpha_start_function): Set alpha_fnname.
646 Write "ng" label if no ldgp; don't write ldgp insn.
647 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
648 * config/alpha/alpha.md (prologue_ldgp): New define_insn.
650 Mon May 22 11:30:48 2000 Clinton Popetz <cpopetz@cygnus.com>
652 * jump.c (jump_optimize_1): Don't increment LABEL_NUSES
655 2000-05-22 Zack Weinberg <zack@wolery.cumb.org>
657 * varasm.c (eh_frame_section): Revert change to argument list.
659 Mon May 22 13:14:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
661 * optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
662 (gen_extend_insn, can_fix_p, can_float_p): Likewise.
664 * final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
665 dangling "else" that causes "break" to be conditional.
666 Also remove unneeded code at start.
668 Mon May 22 17:31:35 2000 Philippe De Muyter <phdm@macqel.be>
670 * m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
671 * fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
672 * gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
674 2000-05-22 Jakub Jelinek <jakub@redhat.com>
676 * config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
679 Mon May 22 06:57:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
681 * alias.c (record_component_aliases): New function.
682 * tree.h: Clean up some declarations and comments.
683 (record_component_aliases): New declaration.
684 * tree.c (get_alias_set): If type and has alias set, use it.
686 2000-05-22 Richard Henderson <rth@cygnus.com>
688 * simplify-rtx.c (simplify_ternary_operation): Try to simplify
689 IF_THEN_ELSE to a setcc form.
690 * jump.c (can_reverse_comparison_p): Be prepared for insn null.
692 2000-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
694 * fixinc/inclhack.def (sun_malloc): Handle `calloc'.
695 (sun_malloc, sysz_stdtypes_for_sun): Add test_text.
697 Sun May 21 16:42:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
699 * combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
702 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
704 * config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
705 * config/mn10300/mn10300.c (print_operand): Likewise.
707 * final.c (split_double): Right shift of negative values is not
710 * ifcvt.c (if_convert): Scan and kill dead code.
712 * emit-rtl.c (unshare_all_rtl): Store the copied rtx.
714 2000-05-20 Zack Weinberg <zack@wolery.cumb.org>
716 * diagnostic.c: Eliminate implicit int.
717 * except.c, gcc.c: Add static prototypes.
718 * final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
719 * gensupport.c (process_rtx): Use XVEC to initialize vector
722 * print-rtl.c: If DEBUG_REGISTER_NAMES, define static
723 debug_reg_names instead of static reg_names. If not, define
725 * regclass.c: Don't define global reg_names unless
726 DEBUG_REGISTER_NAMES is defined.
728 * reload1.c (order_regs_for_reload): Remove unused variable.
729 * varasm.c: Include output.h after defaults.h. Define
730 eh_frame_section as function of no args, not of unspecified args.
732 * gcc.c: Constify argbuf; arguments to store_arg,
733 process_command, main; elements of struct command and struct
734 switchstr; local variables in execute, process_command, main.
736 2000-05-20 Bruce Korb <bkorb@gnu.org>
738 * fixinc/inclhack.def: many applications of c_fix=format + tests
739 * fixinc/check.diff: regenerated
740 * fixinc/fixincl.x: regenerated
742 Sat May 20 09:30:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
744 * alias.c: Clarify some comments.
745 (record_base_value): REGNO is unsigned.
746 * rtl.h (record_base_value): Likewise.
748 * alias.c (aliases_everything_p): Don't special-case QImode here.
749 * c-common.c (c_get_alias_set): Do it here.
750 Handle BIT_FIELD_REF by getting alias info for arg.
753 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
755 * mklibgcc.in: Restore rule to create ${dir}.
757 Sat May 20 08:45:41 2000 H.J. Lu <hjl@gnu.org>
759 * Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
760 GCC_FOR_TARGET used by MULTILIBS.
761 * mklibgcc.in: Make sure each .o file depends on the
762 directory it will be in.
763 Make the multilib directory depends libgcc.
765 Sat May 20 08:29:28 2000 H.J. Lu <hjl@gnu.org>
767 * Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
769 Sat May 20 07:27:35 2000 Alexandre Oliva <aoliva@cygnus.com>
771 * fold-const.c (make_range): Handle degenerated intervals.
772 Fixes c-torture/execute/991221-1.c
774 Fri May 19 18:16:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
776 * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
777 * reload.c (find_equiv_reg): Likewise.
778 * alias.c (init_alias_analysis): Likewise.
779 Only call prologue_epilogue_contains on insns.
780 * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
781 * bb-reorder.c (hard-reg-set.h): Include earlier.
782 * haifa-sched.c (hard-reg-set.h): Likewise.
783 * ifcvt.c (hard-reg-set.h): Likewise.
784 * local-alloc.c (hard-reg-set.h): Likewise.
785 * loop.c (hard-reg-set.h): Likewise.
786 * predict.c (hard-reg-set.h): Likewise.
787 * regrename.c (hard-reg-set.h): Likewise.
788 * flow.c (hard-reg-set.h): Likewise.
789 (reg_set_to_hard_reg_set): New function.
790 * bitmap.c (regs.h, basic-block.h): No longer include.
791 (bitmap.h): Now include.
792 * conflict.c (hard-reg-set.h): Include.
793 * profile.c (hard-reg-set.h): Likewise.
794 * print-rtl.c (hard-reg-set.h): Likewise.
795 * sbitmap.c (hard-reg-set.h): Likewise.
796 * toplev.c (hard-reg-set.h): Likewise.
797 * unroll.c (hard-reg-set.h, basic-block.h): Likewise.
798 * hard-reg-set.h (reg_names): Now constant.
799 * regs.h (reg_names): Likewise.
800 * regclass.c (reg_names): Likewise.
801 * loop.h (basic-block.h): No longer include.
802 (bitmap.h): Now include.
803 * reload1.c (order_regs_for_reload): Avoid loop over reg sets.
804 * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
805 (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
807 2000-05-19 Jan Hubicka <jh@suse.cz>
808 Richard Henderson <rth@cygnus.com>
810 * basic-block.h (struct edge_def): New field "count".
811 (struct basic_block_def): Likewise.
812 * flow.c (entry_exit_blocks): Add count fileds.
813 (split_edge): Keep count information up-to-date.
814 (dump_edge_info, dump_flow_info): Dump count fields.
816 * final.c (count_instrumented_edges): Rename to edge from arc.
817 (end_final): Update users.
818 * profile.c: Include expr.h, basic-block.h.
819 (struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
820 (struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
821 (ignore_next_note, return_label_execution_count): Kill.
822 (bbg_file_name, da_file_name): Kill.
823 (edge_info, bb_info): New structures.
824 (EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
825 (count_instrumented_edges, total_num_edges): Rename to edge from arc.
826 (total_num_edges_instrumented): Likewise.
827 (init_arc, expand_spanning_tree): Kill.
828 (fill_spanning_tree, tablejump_entry_p): Kill.
829 (instrument_edges): Rewrite from instrument_arcs to use
830 commit_edge_insertions infrastructure.
831 (compute_branch_probabilities): Remove arguments; rewrite for
832 CFG infrastructure; use rtl_dump_file directly.
833 (branch_prob, find_spanning_tree): Likewise.
834 (union_groups, find_group): New.
835 (init_branch_prob): Make bbg_file_name and da_file_name local.
836 (end_branch_prob): Use rtl_dump_file directly.
837 (init_edge_profiler): Rename to edge from arc.
838 (output_arc_profiler): Kill.
839 (gen_edge_profiler): New.
840 (output_func_start_profiler): Turn off profiling. Make the
841 constructor static when we can.
842 * rtl.h (branch_prob, end_branch_prob): Update prototypes.
844 * toplev.c (DFI_flow): Remove.
845 (DFI_cfg, DFI_life): New.
846 (dump_file): Update accordingly.
847 (compile_file): Call end_branch_prob if profile_arc_flag too.
848 (rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
849 profiling after the CFG is built. Move flow1 life analysis to
850 DFI_life. Always estimate remaining probabilities.
852 2000-05-19 Richard Henderson <rth@cygnus.com>
854 * ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
856 * flow.c (make_edges): The sibling call edge to exit is abnormal.
858 2000-05-19 Richard Henderson <rth@cygnus.com>
860 * jump.c (redirect_jump): Add delete_unused argument. Don't
861 remove labels and code following when LABEL_NUSES goes to zero.
862 (invert_jump): Likewise.
863 (jump_optimize_1): Fix redirect/invert arguments.
864 (do_cross_jump, thread_jumps): Likewise.
865 * flow.c (split_edge): Likewise.
866 * reorg.c (optimize_skip): Likewise.
867 (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
868 * profile.c (instrument_arcs): Likewise.
869 * loop.c (find_and_verify_loops): Likewise. Fix indentation.
870 * rtl.h: Update prototypes.
872 Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
874 * ssa.c (convert_from_ssa): Tell life_analysis we need death
876 (make_regs_equivalent_over_bad_edges): Only look at abnormal
879 2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
881 * cpphash.c (funlike_macroexpand): Make sure not to walk p1
882 past l1 when deleting whitespace and markers.
884 * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
885 * cpplib.c (do_unassert): Put the list to compare against on
888 2000-05-19 Bruce Korb <bkorb@gnu.org>
890 * fixinc/README: cleaned up old documentation
891 * fixinc/check.diff: regenerated & verified on OSR5 on ix86
892 * fixinc/check.tpl: compute the list of needed directories
893 emit "#if defined(name)" because of conflict
894 omit machine name differences from output differences
895 * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
896 (machine_name): change test text to use `sed' markers
897 * fixinc/fixincl.x: regen
899 Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
901 * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
904 2000-05-18 Chris Demetriou <cgd@sibyte.com>
906 * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
907 it to match the current practice.
909 2000-05-18 Mark Mitchell <mark@codesourcery.com>
911 * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
913 2000-05-18 Richard Henderson <rth@cygnus.com>
915 * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
916 * rtl.h (insn_dependant_p): Declare it.
917 * loop.c (strength_reduce): Use it.
919 2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
921 * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
922 16-bit and 64-bit clean-up.
924 2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
926 * configure.in (*-pc-msdosdjgpp): Set float_format to none.
927 * configure: Rebuilt.
929 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
931 * genopinit.c: Use $ for escape sequences in optab patterns.
932 Remove backslashes from optab patterns. Change $A, $B, $C to
933 expand to (int) whatever instead of just whatever; remove
934 explicit (int) from all optab patterns.
936 * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
937 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
938 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
939 genrecog.c: Remove private copies of xmalloc, xrealloc, and
942 2000-05-18 Richard Henderson <rth@cygnus.com>
944 * jump.c (jump_optimize_1): Base minimum insn count during
945 find_cross_jump on BRANCH_COST.
947 2000-05-18 Jakub Jelinek <jakub@redhat.com>
949 * print-rtl.c (print_rtx): Only print note line number as string
950 if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
951 * final.c (final_scan_insn): Do nothing for note line number 0.
953 2000-05-18 Jakub Jelinek <jakub@redhat.com>
955 * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
956 from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
957 NOTE_INSN_DELETED_LABEL.
959 2000-05-18 Nick Clifton <nickc@cygnus.com>
961 * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
962 uninitialised data in .rodata not .bss, and do not interpret an
963 error in the initialisation value as meaning that the variable
964 should be placed in the .bss section.
966 Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
968 * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
969 not `$ac_cv_prog_cc_cc_c_o'.
970 * configure: Regenerated.
972 2000-05-18 Chris Demetriou <cgd@sibyte.com>
973 Richard Henderson <rth@cygnus.com>
975 * c-common.h (enum c_tree_index): Add g77 type entries.
976 (g77_integer_type_node, g77_uinteger_type_node): New.
977 (g77_longint_type_node, g77_ulongint_type_node): New.
978 * c-decl.c (init_decl_processing): Initialize them.
980 2000-05-18 Richard Henderson <rth@cygnus.com>
982 * config/h8300/h8300.md (subs patterns): Use %G to negate.
984 * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
985 (small_power_of_two): Likewise; use exact_log2.
986 (adds_subs_operand, one_insn_adds_subs_operand): Remove.
987 (output_adds_subs): Remove.
988 (two_insn_adds_subs_operand): New.
989 (split_adds_subs): New.
990 * config/h8300/h8300-protos.h: Update.
991 * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
992 (CONST_OK_FOR_L): Match strict adds operands.
993 (CONST_OK_FOR_N): Match struct subs operands.
994 * config/h8300/h8300.md (adds_subs insns): Remove.
995 (addhi patterns): Output adds/subs directly.
996 (addsi_h8300h): Likewise.
997 (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
999 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
1001 * cppexp.c (parse_assertion): New.
1002 (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
1003 (_cpp_parse_expr): Remove case '#'. Don't set
1004 parsing_if_directive.
1005 * cpphash.c (collect_objlike_expansion,
1006 collect_funlike_expansion, collect_params,
1007 _cpp_create_definition): The list no longer has a trailing
1009 * cpphash.h (enum node_type): Add T_ASSERTION.
1010 (struct hashnode): Remove aschain, add pred.
1011 (struct predicate): New.
1014 * cpplex.c (expand_token_space): Handle both offset and
1016 (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
1017 (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
1018 _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
1019 _cpp_equiv_toklists): New.
1020 (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
1021 stop at any single-character token, not just newline.
1022 (_cpp_lex_token): Remove special cases for #define and #if.
1023 (cpp_get_token): Expect # as a separate token type. Remove
1025 (_cpp_get_directive_token): Remove DIRECTIVE case.
1026 (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
1028 * cpplib.c (_cpp_check_directive): Set dirno and
1029 SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
1030 (_cpp_handle_directive): Run # <number> through the same logic
1031 as normal directives.
1032 (do_define): Don't set parsing_define_directive. Use
1033 _cpp_scan_until. The list does not have a VSPACE at the end.
1034 (do_if): Save, clear, and restore only_seen_white around
1036 (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
1037 (do_assert, do_unassert): Rewrite.
1039 * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
1040 (LIST_OFFSET): New flag.
1041 (struct cpp_toklist): Replace dir_handler and dir_flags with
1043 (struct cpp_reader): Remove parsing_if_directive and
1044 parsing_define_directive.
1046 2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1048 * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
1049 following the cabs decl which terminate on the following line.
1050 Add the corresponding test_text case.
1052 2000-05-18 Neil Booth <NeilB@earthling.net>
1054 * cppinit.c (cpp_reader_init): Initialise col_adjust and
1055 default tab stop size.
1056 (no_num, OPT_ftabstop): New.
1057 (handle_option): Handle "ftabstop=" command-line option.
1058 (print_help): Document it.
1059 * cpplex.c (COLUMN): Remove.
1060 (handle_newline): Reset col_adjust.
1061 (skip_whitespace): Update col_adjust as tabs encountered.
1062 (_cpp_lex_line): Update to use col_adjust. Call
1063 skip_whitespace for all whitespace.
1064 * cpplib.h (struct cpp_options): New member tabstop.
1065 (struct cpp_reader): New member col_adjust.
1066 (CPP_BUF_COL): Update.
1067 (CPP_BUF_COLUMN): New.
1068 * cpp.texi: Document "-ftabstop=" command line option.
1070 Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
1072 * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
1074 * configure: Rebuilt.
1076 Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
1078 * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
1080 * tree.c (build_common_tree_nodes): Do not build TI nodes unless
1081 HOST_BITS_PER_WIDE_INT is >= 64.
1083 2000-05-17 Richard Henderson <rth@cygnus.com>
1085 * jump.c (jump_optimize_1): Remove inactive but real insns
1086 in jump-to-next-insn optimization.
1088 2000-05-17 Richard Henderson <rth@cygnus.com>
1090 * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
1091 unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
1092 Don't call recompute_reg_usage if no_new_pseudos is true.
1093 * lcm.c (optimize_mode_switching): Move ifdefs outside function.
1094 Return true if we did work; update global life information.
1095 * basic-block.h (optimize_mode_switching): Update decl.
1097 2000-05-17 Neil Booth <neilb@earthling.net>
1099 * cpplex.c (expand_name_space): Don't use ptrdiff_t.
1101 2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
1103 * cpplib.c: New feature, #pragma system_header.
1104 * cpp.texi: Document special treatment of system headers, and
1105 the various mechanisms to get a header that special treatment.
1107 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1109 * system.h (offsetof): Define at the very end, to ensure we prefer
1110 the platform's definition if available.
1112 2000-05-16 Bruce Korb <bkorb@gnu.org>
1114 * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
1115 * fixinc/server.c: likewise
1116 * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
1117 + #ifdef debugging code + use #def constant for
1119 * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
1120 on C++ math namespace
1122 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1124 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
1125 Don't check the return value of sprintf. Use asprintf to avoid
1128 Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
1130 * flags.h (warn_unused_function, warn_unused_label,
1131 warn_unused_parameter, warn_unused_variable, warn_unused_value):
1132 Replace ``warn_unused''.
1133 (set_Wunused): Add declaration.
1134 * toplev.c (set_Wunused): New function.
1135 (warn_unused_function, warn_unused_label, warn_unused_parameter,
1136 warn_unused_variable, warn_unused_value): New variables.
1137 (W_options): Add -Wunused-function, -Wunused-function,
1138 -Wunused-label, -Wunused-parameter, -Wunused-variable and
1139 -Wunused-value. Delete -Wunused. Handled in decode_W_option.
1141 * toplev.c (decode_W_option): Update -Wunused flags by calling
1143 * c-decl.c (c_decode_option): Ditto for -Wall.
1145 * stmt.c (expand_expr_stmt, expand_expr_stmt,
1146 warn_about_unused_variables): Replace warn_unused with more
1147 explicit warn_unused_value et.al.
1148 * function.c (expand_function_end): Ditto.
1149 * c-typeck.c (internal_build_compound_expr,
1150 internal_build_compound_expr): Ditto.
1151 * c-decl.c (poplevel, pop_label_level): Ditto.
1152 * toplev.c (check_global_declarations): Replace warn_unused with
1153 check for either warn_unused_function or warn_unused_variable.
1155 * gcc.1, invoke.texi (Warning Options): Document
1156 -Wunused-function, -Wunused-function, -Wunused-label,
1157 -Wunused-parameter, -Wunused-variable and -Wunused-value options.
1159 Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
1161 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
1162 $(srcdir), not in the current directory.
1164 2000-05-16 Richard Henderson <rth@cygnus.com>
1166 * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
1167 assembler supports it.
1168 (.fini, .init): Use a gp-relative indirect call.
1169 (__do_global_dtors_aux): Preserve the gp; rebundle.
1170 (__do_frame_setup): Likewise.
1171 * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
1172 (.init): Use a gp-relative indirect call.
1173 (__do_global_ctors_aux): Preserve the gp.
1175 2000-05-16 Richard Henderson <rth@cygnus.com>
1177 * flow.c (commit_one_edge_insertion): Be prepared for a return
1178 insn to be inserted on the edge with a normal jump.
1179 * jump.c (jump_optimize_1): Don't look to create return isns.
1181 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
1182 * jump.c (jump_optimize_1): Likewise.
1183 (returnjump_p): Verify the argument is a JUMP_INSN.
1184 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
1186 2000-05-16 Nick Clifton <nickc@cygnus.com>
1188 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
1189 GET_RTX_CLASS (GET_CODE ()) == 'i'.
1190 (large_insn_p): Ditto.
1191 (m32r_is_insn): New function: Return true if the insn contains
1192 an executable instruction.
1193 (m32r_adjust_insn): Use m32r_is_insn.
1194 (m32r_sched_reorder): Use m32r_is_insn.
1195 (m32r_sched_variable_issue): Use m32r_is_insn.
1197 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1199 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
1202 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
1204 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
1205 according to given options.
1207 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
1209 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
1210 if X has VOIDmode either.
1211 (LIMIT_RELOAD_CLASS): Similarly.
1213 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
1214 not "general_operand" to match the processor's capabilities.
1216 2000-05-16 Bruce Korb <bkorb@gnu.org>
1218 * fixinc/README: corrected return address
1219 * fixinc/check.diff: regenerate, now that test works
1220 * fixinc/fixfixes.c(format_fix,format_write): reformatted
1221 (char_macro_def_fix,char_macro_use_fix): corrected and
1222 rewrote to use regex to parse the text
1223 * fixinc/inclhack.def: more testing
1224 * fixinc/fixincl.x: regenerated
1226 * fixinc/inclhack.def: added several "test_text" attributes
1227 changed several fixes to use `c_fix = format'
1228 re-alphabetized the fixes
1230 * fixinc/check.diff: regenerate
1231 * fixinc/fixincl.x: regenerate
1232 * fixinc/check.tpl: added `sparc' and `netinet' to the list
1236 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
1238 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
1240 2000-05-15 Richard Henderson <rth@cygnus.com>
1242 * toplev.c (rest_of_compilation): Run full jump pass before
1243 find_basic_blocks of flow2.
1245 2000-05-15 Richard Henderson <rth@cygnus.com>
1247 * jump.c: Fix typos and clarify commentary from last change.
1248 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
1249 (safe_to_remove_jump_p): Remove.
1250 (condjump_label): Use pc_set.
1252 2000-05-15 Richard Henderson <rth@cygnus.com>
1254 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
1255 that get in the way after reload.
1256 (cond_exec_process_if_block): Skip a label heading THEN block.
1258 2000-05-15 Richard Henderson <rth@cygnus.com>
1260 * varasm.c (output_constant_pool): Abort instead of converting
1261 (improperly) deleted labels to zero.
1263 2000-05-16 Neil Booth <NeilB@earthling.net>
1265 * cpplex.c (parse_string2): Update comment.
1266 (cpp_lex_line): No special assertion treatment for '('.
1267 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
1268 * cpplib.h (SYNTAX_ASSERT): Remove.
1270 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
1272 * jump.c (condjump_p): Mark as depreached.
1273 (any_condump_p): New.
1274 (any_uncondump_p): New.
1276 (safe_to_remove_jump_p): New.
1277 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
1278 safe_to_remove_jump_p): Declare.
1280 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
1282 * calls.c: Re-install both patches reverted by last patch.
1283 (struct arg_data): New field tail_call_reg.
1284 (initialize_argument_information): Initialize tail_call_reg
1285 (load_register_parameters): New argument flags, use
1286 tail_call_reg when emiting tail call sequence.
1287 (expand_call): Update call of load_register_parameters;
1288 copy unadjusted_args_size to adjusted_args_size.
1290 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
1292 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
1293 and bct_p parameters to flags.
1294 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
1295 * rtl.h (loop_optimize): Update prototype.
1296 * toplev.c (rest_of_compilation): Update call of loop_optimize.
1298 2000-05-15 Jakub Jelinek <jakub@redhat.com>
1300 * calls.c (expand_call): Move expand_start_target_temps call after
1303 2000-05-15 Neil Booth <NeilB@earthling.net>
1305 * cpphash.c (trad_stringify, warn_trad_stringify,
1306 collect_params): Make some pointers pointers to const.
1307 * cpplex.c (auto_expand_name_space) Guaranteed to always
1308 expand by at least one character.
1309 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
1310 (struct token_spelling): Use const U_CHAR * rather than PTR.
1311 (expand_name_space): Fix up token pointers if name space
1312 is moved when expanding.
1313 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
1314 parse_string2, save_comment, spell_token, cpp_output_list):
1315 Update so the routines handle tokens with a direct pointer to
1316 their text, rather than an offset into the token's list's namebuf.
1317 (_cpp_lex_line): Rearrange for clarity.
1319 * cpplib.c (_cpp_check_directive): Similarly.
1320 (do_define): Make SYM a pointer to const.
1321 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
1322 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
1323 (TOK_OFFSET): Delete.
1326 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
1328 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
1331 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
1333 (logical_u_operand): Delete.
1334 (non_logical_cint_operand): Rewrite to take MODE into account.
1335 (non_logical_u_cint_operand): Delete.
1336 (boolean_operator): New function.
1337 (print_operand): Add new %q operand.
1338 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
1339 remove logical_u_operand and non_logical_u_cint_operand,
1340 update logical_operand and non_logical_cint_operand.
1341 * config/rs6000/rs6000.md: Rewrite the patterns for performing
1342 logical operations to use %q.
1344 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
1345 (movdi): Make similar to movsi.
1346 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
1347 is no such thing as a DImode CONST_DOUBLE.
1348 * config/rs6000/rs6000.c (output_toc): Likewise.
1350 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
1351 codes when old mnemonics are in use. Print register names
1352 for cc registers when requested.
1354 * optabs.c (expand_float): Don't allow mode widening that causes
1357 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
1358 flags to their current names -maix64 and -maix32.
1360 2000-05-14 Bruce Korb <bkorb@gnu.org>
1362 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
1363 and/or after current text of file
1364 * fixinc/fixlib.c(must_malloc):
1365 * fixinc/fixlib.h(must_malloc): + reformatting
1366 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
1367 with usages of ``c_fix = wrap;''
1368 Add several tests and use the ``c_fix = format'' fixer more.
1369 * fixinc/fixincl.x: regen
1370 * fixinc/check.diff: regen
1371 * fixinc/check.tpl: emit the associated header with the missing
1374 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
1376 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
1377 variables $src and $dst.
1379 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
1381 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
1382 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
1383 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
1384 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
1386 (set_message_prefixing_rule): Declare.
1388 * diagnostic.c: (current_prefixing_rule): New variable.
1389 (set_message_prefixing_rule): Define.
1390 (output_set_prefix): Adjust buffer->emitted_prefix_p.
1391 (init_output_buffer): Adjust Initialization.
1392 (output_emit_prefix): Rewrite. Take prefixing rules into account.
1394 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
1396 * ifcvt.c (if_convert): Do not free NULL.
1398 2000-05-12 Nick Clifton <nickc@cygnus.com>
1400 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
1401 to move a double word value.
1402 (di_operand): New function: Return true if the operand is suitbale
1403 for a double word move operation.
1404 (nonimmediate_di_operand): New function: Return true if the
1405 operand is a DImode register or MEM.
1407 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
1408 nonimmediate_di_operand.
1410 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
1411 nonimmediate_di_operand.
1413 * config/fr30/fr30.md (movdi): New pattern. Required because
1414 other patterns generate DImode results.
1415 (movdi_insn): New pattern.
1417 2000-05-12 Richard Henderson <rth@cygnus.com>
1419 * config/alpha/alpha.c (struct shadow_summary): Define
1420 bitfields as type unsigned int.
1422 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
1424 * config/avr/t-avr: Added definition of FLOAT while generates
1427 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
1428 peepholes for tst+jump = sbrs/sbrc optimization.
1430 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
1432 * expr.c (emit_push_insn): Do not adjust stack pointer when
1435 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
1437 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
1438 * system.h (offsetof): ... to here.
1440 2000-05-12 Richard Henderson <rth@cygnus.com>
1442 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
1443 * final.c (final_end_function): Use app_disable. Rearrange note
1444 handling into a switch. Emit deleted labels.
1445 (output_asm_label): Generate label strings for deleted labels.
1446 * flow.c (tail_recursion_label_list): New.
1447 (find_basic_blocks_1): Set label_value_list directly. Collect list
1448 of tail recursion labels from call_placeholders. Don't add deleted
1449 labels to the label value list.
1450 (cleanup_cfg): Use free_EXPR_LIST_list.
1451 (flow_delete_insn_chain): Turn non-removable labels into notes.
1452 (flow_delete_block): Don't disable deleting the block because of
1453 a non-removable label.
1454 (tail_recursion_label_p): New.
1455 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
1457 (merge_blocks_move_successor_nojumps): Likewise. Also move a
1459 (merge_blocks): Disable a merge because of tail recursion labels.
1460 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
1461 Use a more accurate measure of not merging the join block.
1462 (find_if_block): Don't disable conversion because of a label.
1463 (find_if_case_1, find_if_case_2): Likewise.
1464 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
1465 element when copying.
1466 (squeeze_notes): Also leave EH notes.
1467 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
1469 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
1471 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
1472 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
1473 referring to a deleted label. Convert tail handling to a switch.
1474 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
1475 for NOTE_INSN_DELETED_LABEL.
1476 (NOTE): Fix commentary.
1477 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
1478 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
1479 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
1480 (LABEL_NUSES, LABEL_REFS): Likewise.
1481 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
1483 2000-05-12 Bruce Korb <bkorb@gnu.org>
1485 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
1486 * fixinc/check.diff: updated
1487 * fixinc/inclhack.def: corrected & added some test_text-s
1488 * fixinc/genfixes: removed unneeded options to autogen invocation
1489 * fixinc/fixincl.tpl: Specified the output file
1490 * fixinc/fixfixes.c: visual appearance
1491 * fixinc/fixincl.x: regenerate
1493 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
1495 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
1496 CTRL_defn_fix): Delete.
1497 (fix_char_macro_defines, fix_char_macro_uses): Rename to
1498 char_macro_def_fix and char_macro_use_fix, respectively. Put
1499 them into the FIXUP_TABLE. Get the string to search for from
1502 (format_write): New function.
1503 (format_fix): Use it.
1505 (FIX_PROC_HEAD): Constify text parameter.
1506 (machine_name_fix): Constify all char *s.
1507 * fixtests.c (skip_quote): Remove double static.
1509 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
1510 ctrl_use_quotes): Update for new scheme.
1511 * fixincl.x: Regenerate.
1513 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
1515 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
1517 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
1518 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
1520 2000-05-11 Robert Lipe <robertlipe@usa.net>
1522 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
1523 * fixincl.x: Regenerate.
1525 2000-05-11 Richard Henderson <rth@cygnus.com>
1527 * calls.c: Revert both 05-09 patches.
1529 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
1531 * config/mn10300/mn10300.c (print_operand): Print FP constants in
1533 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
1536 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
1537 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
1539 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
1541 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
1543 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
1545 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
1547 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
1549 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
1550 * config/avr/avr.c (jump_over_one_insn_p): New function.
1551 * config/avr/avr.md: New peepholes added. Output test and
1552 conditional jump to "sbrc" or "sbrs" command.
1554 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
1556 * cppmain.c (main): Use IS_DIR_SEPARATOR.
1558 2000-05-11 Jakub Jelinek <jakub@redhat.com>
1560 * except.c (find_exception_handler_labels_1): New function.
1561 (find_exception_handler_labels): Split into two functions, dive
1562 into CALL_PLACEHOLDERs when looking for exception handler labels.
1564 2000-05-11 Stan Cox <scox@cygnus.com>
1566 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
1567 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
1568 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
1570 2000-05-11 Bruce Korb <bkorb@gnu.org>
1572 * fixinc/fixfixes.c (double_slash_fix): obsolete
1573 (else_endif_label_fix): obsolete
1574 (format_fix): new, unused as yet
1576 * fixinc/fixlib.h: added fix description struct for use by format_fix
1577 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
1578 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
1579 modules. Removed the vestiges of the script version.
1580 Added support for "make check".
1581 * fixinc/check.diff: base diff file (needs work!!)
1582 * fixinc/check.tpl: quiet the fixup output
1583 * fixinc/fixtests.c (main): obsolete
1584 * fixinc/fixincl.sh: don't bother copying fixincl to ..
1585 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
1587 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
1589 * toplev.c (rest_of_compilation): Remove dead code after
1592 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
1594 * cpphash.c (collect_funlike_expansion): Make "# is not
1595 followed by a macro argument name" a pedwarn, not an error.
1596 Preserve the # in the output. Suppress the warning if lang_asm.
1598 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
1600 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
1601 * configure: Rebuilt.
1603 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
1605 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
1607 2000-05-10 Kazu Hirata <kazu@hxi.com>
1609 * combine.c (try_combine): Fix a typo.
1611 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
1613 * config/ia64/ia64.md (insv): Add comment.
1615 2000-05-10 Richard Henderson <rth@cygnus.com>
1617 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
1618 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
1619 dependancies on FPBIT and DPBIT.
1621 2000-05-10 Nick Clifton <nickc@redhat.com>
1623 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
1624 when optimising for size.
1625 (mark_used_regs:) Ditto.
1626 (try_pre_increment_1): Ditto.
1628 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
1630 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
1631 Make error message friendlier.
1633 * cpphash.h (struct hashnode): Use struct hack for name
1635 * cpphash.c (struct hashdummy): New.
1636 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
1637 (make_HASHNODE): No need to set ->name pointer. Correct
1639 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
1641 2000-05-10 Richard Henderson <rth@cygnus.com>
1643 * flow.c (find_basic_blocks_1): Remove any spare bb_note
1646 2000-05-10 Bruce Korb <bkorb@gnu.org>
1648 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
1650 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
1652 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
1653 after we enter .debug.
1655 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
1657 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
1658 abstract instance of a nested inline function.
1660 * stor-layout.c (finish_record_layout): finalize_type_size
1661 before laying out the pending_statics.
1663 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
1665 * cpplex.c (spell_token): New function.
1666 (spell_string, spell_comment, spell_name): fold into
1669 (E, H): Remove macros.
1670 (save_comment): Save comment opening characters too.
1671 (_cpp_lex_file): Update to use spell_token. Tidy up comment
1673 * cpplib.h (I, S): Add macros.
1674 (E, H): Remove macros.
1675 (TTYPE_TABLE): Update entries for new speller.
1676 (SYNTAX_ASSERT): Remove.
1678 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
1680 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
1681 when removing escaped newlines. Reverse sense of test for
1684 2000-05-09 Richard Henderson <rth@cygnus.com>
1686 * flow.c (find_basic_blocks_1): Do not delete the first
1687 bb_note we run across.
1688 (create_basic_block): Use reorder_insns to move an existing
1689 bb_note to the correct place.
1691 2000-05-09 Richard Henderson <rth@cygnus.com>
1693 * calls.c (expand_call): Increment currently_expanding_call
1694 before calling optimize_tail_recursion.
1696 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1698 * reload1.c (reload_combine): Fix errors in last change.
1700 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
1702 * gcc.c (used_arg): Skip over a semicolon at the end of the
1703 split-up loop; don't break out of it.
1705 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
1706 (tree.o): Depend on output.h.
1708 * c-decl.c (pending_invalid_xref_file,
1709 current_function_prototype_file): Constify.
1710 (pushdecl): Constify a local char *.
1711 (define_label): Constify filename parameter.
1712 * c-lex.c (init_parse): Constify parameter and return value.
1713 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
1714 * c-tree.h: Update prototypes.
1715 * c-parse.in: Constify filename member of %union, and if_stmt_file.
1716 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
1717 objc/objc-parse.c: Regenerate.
1719 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
1720 * dwarfout.h: Update prototypes.
1721 * expr.c (expand_expr): Constify a local char *.
1722 * flags.h: Constify main_input_filename.
1723 * function.c (expand_function_end): Constify filename parameter.
1724 * genrecog.c (make_insn_sequence): Use a character array for
1726 (main): Remove unused variables.
1727 * input.h: Constify input_filename, main_input_filename, and
1728 file_stack.name. Update prototypes.
1729 * output.h: Declare first_global_object_name and
1730 weak_global_object_name here, as const char *.
1731 * stmt.c (expand_asm_operands): Constify filename parameter.
1732 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
1733 Constify filename parameter.
1734 (input_filename, main_input_filename): Constify.
1735 * toplev.h: Update prototypes.
1736 * tree.c: Include output.h. Don't declare
1737 first_global_object_name or weak_global_object_name. Clean up string
1738 bashing in get_file_function_name_long.
1739 * tree.h (struct tree_decl): Constify filename member.
1740 (input_filename): Constify.
1742 * varasm.c (first_global_object_name, weak_global_object_name):
1744 (assemble_start_function, assemble_variable): Clean up string bashing.
1746 * gcc.c: Constify all spec-related strings initialized,
1747 transitively, from string constants. Constify all strings
1748 and string variables related to multilibs.
1749 (set_spec, read_specs): Cast argument to free to PTR.
1750 (used_arg): Do not modify multilib_matches. Use strncmp plus
1751 length comparison to compare multilib switches.
1752 * genmultilib: Constify everything declared in multilib.h.
1754 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
1756 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
1759 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
1761 * config/avr/avr-protos.h (extra_constraint): change a type of
1762 second argument from char to int to avoid warnings.
1763 (asm_output_byte): Likewise.
1765 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
1766 (initial_elimination_offset): Handle elimination from
1767 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
1768 (legitimate_address_p): Use MAX_LD_OFFSET.
1769 (legitimize_address): Likewise.
1770 (out_movqi_r_mr): Likewise.
1771 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
1772 (out_movsi_r_mr): Use MAX_LD_OFFSET.
1773 (out_movsi_mr_r): Likewise.
1774 (out_movqi_mr_r): Likewise.
1775 (out_movhi_mr_r): Likewise.
1776 (notice_update_cc): Correct CC for the ashrqi3 with the shift
1777 count as CONST_INT != 6.
1778 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
1779 shift count is a CONSTANT_P, but not a CONST_INT.
1780 (ashlhi3_out): Coding style modifications.
1781 (ashlsi3_out): Likewise.
1782 (ashrhi3_out): Likewise.
1783 (ashrsi3_out): Likewise.
1784 (lshrhi3_out): Likewise.
1785 (lshrsi3_out): Likewise.
1786 (ashrqi3_out): Generate shift for any known constant count without
1787 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
1788 but not a CONST_INT.
1789 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
1790 shift count is a CONSTANT_P, but not a CONST_INT.
1791 (extra_constraint): change a type of
1792 second argument from char to int to avoid warnings.
1793 (asm_output_byte): Likewise.
1794 (asm_file_end): Output size generated commands count as a hex
1797 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
1799 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
1801 (ashlqi3): Values of "length" attribute changed. Shift count
1802 uses constraints 'n' instead of 'i'.
1803 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
1804 shifts without clobber register.
1805 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
1806 (call_insn): Correct test for which_alternative == 1 (was 0).
1807 (call_value_insn): Likewise.
1809 * config/avr/t-avr: Remove definition of FLOAT while generates
1812 2000-05-09 Bruce Korb <bkorb@gnu.org>
1814 * fixinc/check.tpl: Template for checking fixes
1815 * fixinc/inclhack.def: Added 'test_text' for many fixes
1816 disable hpux8_bogus_inlines on SCO
1817 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
1819 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
1821 * calls.c (expand_call): Reorganize somewhat in order
1822 to avoid unnecesary recalculation inside loop and make
1823 tail call failure code cleaner.
1825 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1827 * alias.c (nonlocal_reference_p): Minor reformatting.
1828 * reload.c (find_equiv_reg): Simplify logic for
1829 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
1830 some some reformatting.
1831 * reload1.c (reload_combine): Don't assume everything in
1832 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
1834 2000-05-08 Richard Henderson <rth@cygnus.com>
1836 * final.c (current_insn_predicate): New.
1837 (final_scan_insn): Set it.
1838 * output.h (current_insn_predicate): Declare.
1840 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
1841 Attach it to call insns.
1842 (cond_exec_process_if_block): Track probability for true and
1844 (dead_or_predicable): Likewise.
1846 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
1847 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
1848 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
1849 (estimate_probability, expected_value_to_br_prob): Use them.
1851 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
1852 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
1853 (ia64_expand_prediction): New.
1854 (emit_insn_group_barriers): Don't look at notes. Emit barriers
1855 as needed after calls.
1856 (ia64_epilogue_uses): Mark b0 used.
1857 * config/ia64/ia64.md (beq_true, beq_false): Remove.
1858 (bne_true, bne_false): Remove.
1859 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
1860 (br_true, br_false): New. Use predicate_operator and
1861 ia64_expand_prediction.
1862 (return_true, return_false): Likewise.
1863 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
1864 (call_internal1, call_value_internal): Likewise.
1865 (call_value_internal1, call_multiple_values_internal1): Likewise.
1867 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
1869 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
1871 2000-05-08 Richard Henderson <rth@cygnus.com>
1873 * rtlanal.c (may_trap_p): Consider old-style and volatile
1876 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
1878 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
1880 2000-05-08 Richard Henderson <rth@cygnus.com>
1882 * config/ia64/ia64.h (predicate_operator): Declare.
1884 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
1887 * gensupport.c (process_rtx): Copy and post-process each member
1888 of the define_insn rtvec individually.
1890 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
1892 * cpplex.c (spell_token): New function.
1893 (TOKEN_LEN): Add 1 for whitespace.
1894 (_cpp_lex_file): Update to use spell_token.
1895 * cpplib.h (E): Remove.
1896 (TTYPE_TABLE): Update CPP_VSPACE entry.
1898 2000-05-08 Richard Henderson <rth@cygnus.com>
1900 * flow.c (init_propagate_block_info): Watch out for conditional
1901 branch to next instruction, and thus one outgoing edge.
1903 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
1904 for global register variables; don't special case __[CD]TOR_LIST__;
1905 mind ggc_p for string allocation.
1907 2000-05-08 Nick Clifton <nickc@cygnus.com>
1909 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
1911 2000-05-08 Bruce Korb <bkorb@gnu.org>
1913 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
1914 i?86-*-msdosdjgpp* no longer uses fixincludes
1915 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
1916 * fixinc/inclhack.sh: deleted
1917 * fixinc/hackshell.tpl: deleted
1918 * fixinc/inclhack.tpl: deleted
1919 * fixinc/Makefile.in: Remove dependencies on above
1920 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
1922 2000-05-08 Andreas Jaeger <aj@suse.de>
1924 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
1927 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
1929 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
1932 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
1934 * cpplex.c: Move new lexer definitions and prototypes
1935 to top. Conditional include these and the code if
1936 NEW_LEXER is defined. Rename functions whose names
1937 clash if this code included.
1939 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
1941 * rtl.def (COND_EXEC): Clarify.
1943 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
1944 same fashion as zero_extendsidi2.
1946 2000-05-06 Richard Henderson <rth@cygnus.com>
1948 * config/ia64/ia64.c (predicate_operator): New.
1949 (ia64_print_operand): Handle 'J'.
1950 (rtx_needs_barrier): Handle COND_EXEC.
1951 * config/ia64/ia64.h (BRANCH_COST): Define.
1952 (PREDICATE_CODES): Update.
1953 * config/ia64/ia64.md: Docuement used unspec values.
1954 (attr predicable): New.
1955 (movxf, movxf_internal): New.
1956 (extendsfdf2): Don't comment out nop.
1957 (floatdidf2): Remove.
1958 (truncxfsf2, truncxfdf2, floatdixf2): New.
1959 (abssi2, absdi2): Put the neg in the "true" slot.
1960 (conditional branch instructions): Mark not predicable.
1961 (cmov*_internal): Use predicate_operator. Split to cond_exec.
1962 (abs*_internal): Likewise.
1963 (alloc, set_bsp): Mark not predicable.
1964 (barrier, insn_group_barrier, flush_cache): Likewise.
1965 (define_cond_exec): New.
1967 2000-05-06 Richard Henderson <rth@cygnus.com>
1969 * c-decl.c: Include "tm_p.h".
1971 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
1972 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
1973 (ia64_expand_op_and_fetch): Declare.
1974 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
1975 (setjmp_operand): Constify variables for XSTR.
1976 (ia64_encode_section_info): Likewise.
1977 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
1979 (ia64_asm_output_external): Constify name.
1980 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
1981 (process_for_unwind_directive): Provide switch default.
1982 (ia64_expand_compare_and_swap): Remove unused variables.
1983 (ia64_expand_builtin): Likewise.
1984 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
1987 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
1988 (symbolic_operand, function_operand, setjmp_operand): Likewise.
1989 (shift_count_operand, shift_32bit_count_operand): Likewise.
1990 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
1991 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
1992 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
1993 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
1994 (ia64_expand_builtin): Likewise.
1995 (call_multiple_values_operation): Make dest_regno unsigned.
1997 2000-05-06 Richard Henderson <rth@cygnus.com>
1999 * rtl.def (DEFINE_COND_EXEC): New.
2000 * md.texi: Document it.
2002 * gensupport.c (input_file): Remove.
2003 (struct queue_elem): Add lineno.
2004 (rtx_ready_queue): Remove.
2006 (predicable_default): New.
2007 (predicable_true, predicable_false): New.
2008 (define_attr_queue, define_attr_tail): New.
2009 (define_insn_queue, define_insn_tail): New.
2010 (define_cond_exec_queue, define_cond_exec_tail): New.
2011 (other_queue, other_tail): New.
2012 (queue_pattern): New.
2013 (process_rtx): Add patterns to the appropriate queues.
2014 (is_predicable, identify_predicable_attribute): New.
2015 (n_alternatives, collect_insn_data): New.
2016 (alter_predicate_for_insn, alter_test_for_insn): New.
2017 (shift_output_template, alter_output_for_insn): New.
2018 (process_one_cond_exec, process_define_cond_exec): New.
2019 (init_md_reader): Read the entire file. Process define_cond_exec.
2020 (read_md_rtx): Return elements from the queues.
2022 2000-05-06 Richard Henderson <rth@cygnus.com>
2024 * flow.c (mark_set_1): Don't update conditional life info
2025 if the register is not_dead.
2027 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
2029 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
2030 (mostlyclean): Also delete fixincl, fixinc.sh, and
2031 specs.ready, and make clean in the fixinc subdir.
2033 2000-05-06 Richard Henderson <rth@cygnus.com>
2035 * Makefile.in (gensupport.o): Compile for the host.
2036 (host-prefix gensuuprt.o): Remove.
2037 (genflags.o): Depend on gensupport.h and OBSTACK_H.
2038 (genattrtab.o): Likewise.
2039 (gencodes.o): Depend on gensupport.h.
2040 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
2041 (genpeep.o, genattr.o, genoutput.o): Likewise.
2043 * gensupport.c (obstack, rtl_obstack): New.
2044 (init_md_reader): Initialize rtl_obstack.
2045 * gensupport.h (rtl_obstack): Declare.
2046 (message_with_line): Declare.
2048 * genattr.c: Remove all traces of obstack manipulation.
2049 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
2050 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
2052 * genattrtab.c (obstack, rtl_obstack): Remove.
2053 (main): Don't init rtl_obstack.
2054 * genflags.c: Likewise.
2056 * genrecog.c (message_with_line): Move ...
2057 * gensupport.c: ... here.
2059 2000-05-06 Richard Henderson <rth@cygnus.com>
2061 * c-typeck.c (build_c_cast): Remove dead code.
2063 2000-05-06 Richard Henderson <rth@cygnus.com>
2065 * flow.c (split_edge): Don't allocate global_live_at_start for
2066 the new block unless the old blocks had them as well.
2068 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
2070 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
2071 test_bb if a or b uses x.
2073 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
2075 * cpphash.h: Remove conditional #define of __extension__.
2076 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
2077 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
2078 (ENABLE_RTL_CHECKING only).
2079 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
2080 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
2081 (ENABLE_TREE_CHECKING only).
2082 * varray.h: Add __extension__ to VARRAY_CHECK macro
2083 (ENABLE_CHECKING only).
2085 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2087 Use new tail-calling mechanism on ARM.
2088 * arm.md (sibcall, sibcall_value): New expands.
2089 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
2090 (tailcalling peepholes): Delete.
2091 (push_multi): Simplify.
2092 * arm.c (lr_save_eliminated): Delete definition.
2093 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
2094 (output_return_instruction): Remove checks on lr_save_eliminated.
2095 (output_arm_prologue): Remove old tail-calling code.
2096 (arm_output_epilogue): New parameter, really_return. All callers
2097 changed. Handle tail-calling epilogues.
2098 * arm.h (lr_save_eliminated): Delete declaration.
2099 (frame_pointer_needed): Delete declaration.
2100 * arm-protos.h (arm_output_epilogue): Adjust prototype.
2102 * arm.md (is_thumb): Examine symbol thumb_code, not expression
2104 * arm.c (thumb_code): Define it.
2105 (arm_override_options): Set it.
2106 * arm.h (thumb_code): Declare it.
2108 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2110 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
2112 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2114 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
2115 bogus clobber to insns.
2116 (load_multiple_operation, store_mulitple_operation): Don't check
2118 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
2120 * arm.md (and_scc, ior_scc): Add missing mode.
2122 * arm.md (call_value_symbol): Remove predicate from op2.
2124 * arm.h (SPECIAL_MODE_PREDICATES): Define.
2126 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2128 * expr.c (get_subtarget): New function.
2129 (force_operand, expand_expr, do_store_flag): Use it.
2131 * toplev.c (compile_file): Don't take strlen of NAME if null.
2133 2000-05-06 David Edelsohn <edelsohn@gnu.org>
2135 * xcoffout.c (xcoff_current_include_file,
2136 xcoff_current_function_file, xcoff_lastfile): Constify char *.
2137 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
2139 (xcoffout_declare_function): Make name 'const char *'.
2140 (xcoffout_end_epilogue): Make fname 'const char *'
2141 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
2142 xcoffout_declare_function, xcoffout_source_line): Match above.
2144 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
2146 * rs6000.c (print_operand): Fix lossage typo.
2147 (output_cbranch): Remove "cr" decoration for now.
2148 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
2150 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
2152 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
2155 2000-05-05 Bruce Korb <bkorb@gnu.org>
2157 * fixinc/genfixes: Improve the matching for make target names
2159 2000-05-05 Catherine Moore <clm@cygnus.com>
2161 * c-common.c (decl_attributes): For TYPE_DECLs attach the
2162 attribute to the decl.
2163 * c-decl.c (pushdecl): Propagate the USED attribute to the
2166 2000-05-05 Richard Henderson <rth@cygnus.com>
2168 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
2169 same way emit_group_load does.
2171 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
2173 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
2175 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
2178 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
2180 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
2182 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
2184 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
2185 to support -shared, on platforms with dynamic libraries.
2187 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
2189 * system.h (S_ISBLK): Provide fallback definition.
2191 2000-05-05 Geoff Berry <geoffb@bops.com>
2193 * extend.texi (Extended Asm): Document inability to give asm
2194 statements access to condition codes.
2196 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
2198 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
2199 as arg 2 of UNIQUE_SECTION.
2201 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
2203 * predict.c: Remove May 4 change.
2204 * bb-reorder.c (make_reorder_chain): Do not perform block movement
2205 if we have predicted the branch at 50-50 probability.
2207 2000-05-05 Richard Henderson <rth@cygnus.com>
2209 * flow.c (init_propagate_block_info): Fix merge error
2210 in HAVE_conditional_execution code.
2212 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
2214 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
2215 shift cycle for unknown shift count. Also generates dec + brpl.
2216 (ashlqi3_out): Don't generate dec + brpl which now generates by
2217 `out_shift_with_cnt'.
2218 (ashlhi3_out): Likewise.
2219 (ashlsi3_out): Likewise.
2220 (ashrqi3_out): Likewise.
2221 (ashrhi3_out): Likewise.
2222 (ashrsi3_out): Likewise.
2223 (lshrqi3_out): Likewise.
2224 (lshrhi3_out): Likewise.
2225 (lshrsi3_out): Likewise.
2227 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
2229 * gcc.c (free_split_directories): Correct typo in explanation
2230 of make_relative_prefix.
2232 2000-05-04 Geoff Keating <geoffk@cygnus.com>
2234 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
2235 comparison codes to branch_comparison_operator.
2237 2000-05-04 Richard Henderson <rth@cygnus.com>
2239 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
2241 2000-05-04 Richard Henderson <rth@cygnus.com>
2243 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
2244 (DPBIT_FUNCS): Remove _sf_to_usi.
2245 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
2247 * ifcvt.c (noce_process_if_block): Fail if A or B modified
2248 between condition and jump.
2250 * libgcc2.c (near eh_context_specific): Comment #endif string.
2251 * longlong.h: Don't use strings with embedded newlines.
2253 2000-05-04 Geoff Keating <geoffk@cygnus.com>
2255 * config/rs6000/rs6000-protos.h: Add output_cbranch.
2256 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
2257 (print_operand): Delete %t and %T codes.
2258 (output_cbranch): New function. Support branch prediction.
2259 * config/rs6000/rs6000.md: Use output_cbranch for
2260 conditional branches and returns.
2262 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
2264 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
2265 * stor-layout.c (place_field): Likewise.
2266 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
2267 * expr.c (store_expr): Make align unsigned.
2268 * explow.c (plus_constant_wide): Make low words unsigned.
2269 * expmed.c (choose_multiplier): Likewise.
2270 * fold-const.c (fold): Likewise.
2271 * tree.h (build_int_2): Likewise.
2272 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
2273 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
2274 (init_emit): Change cast to unsigned char*.
2275 * varasm.c (compare_constant_1): Add cast to char*.
2276 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
2277 * reload1.c (reload): Likewise.
2279 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
2281 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
2283 * predict.c (estimate_probability): If no prediction was found, then
2284 predict the successor that is the next physical block (if such a
2287 2000-05-04 Richard Henderson <rth@cygnus.com>
2289 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
2291 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2293 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
2295 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
2297 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
2298 attribute macros from here ...
2299 (CPP_SPEC): to here.
2300 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
2301 (CPP_SPEC): Likewise.
2302 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
2304 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
2305 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
2307 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2309 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
2311 * diagnostic (vbuild_message_string, build_message_string,
2312 build_location_prefix, output_get_prefix, init_output_buffer,
2313 output_notice, vline_wrapper_message_with_location,
2314 v_message_with_decl, default_print_error_function): De-constify.
2315 (set_real_maximum_length): Prototype.
2317 * diagnostic.h (struct output_buffer, init_output_buffer,
2318 output_get_prefix, output_set_prefix): De-constify.
2320 * function.c (init_function_start): Constify.
2322 * gensupport.c (remove_constraints, process_rtx): Prototype.
2324 * gthr-posix.h: Indent uses of #pragma.
2326 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
2329 * predict.c (find_expected_value): Delete prototype.
2330 (expected_value_to_br_prob): Initialize variable `ev_reg'.
2332 * sbitmap.h (debug_sbitmap): Prototype.
2334 * ssa.c (compute_coalesced_reg_partition): Prototype.
2336 * stor-layout.c (debug_rli): Prototype.
2338 * tree.h (round_down): Prototype.
2339 (init_function_start): Constify.
2341 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
2343 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
2344 (overly conservative). Change extern inline wrappers to
2345 static inline, define them always, use PARAMS properly.
2346 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
2347 whitespace warnings for \f and \v at the beginning of a line.
2349 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
2351 * haifa-sched.c (schedule_insns): Free the flow edge list when it
2354 2000-05-04 Bruce Korb <bkorb@gnu.org>
2356 * fixincl/inclhack.def: added broken_cabs -
2357 Remove `extern double cabs' declarations from math.h
2358 * fixincl/inclhack.sh: regen
2359 * fixincl/fixincl.x: regen
2360 * fixincl/fixincl.c: Remove BOGOSITY code
2361 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
2363 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2365 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
2367 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
2368 when calling MEM_COPY_ATTRIBUTES.
2369 * emit-rtl.c (operand_subword, change_address): Likewise.
2370 * explow.c (stabilize): Likewise.
2371 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
2372 * integrate.c (copy_rtx_and_substitute): Likewise.
2373 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
2374 when calling MEM_COPY_ATTRIBUTES.
2375 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
2377 * cse.c (gen_lowpart_if_possible): Likewise.
2378 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
2379 * optabs.c (gen_move_insn): Likewise.
2380 * recog.c (validate_replace_rtx_1): Likewise.
2381 * simplify-rtx.c (add_mem_for_addr): Likewise.
2382 * stmt.c (expand_anon_union_decl): Likewise.
2383 * config/arm/arm.md: Likewise.
2384 * config/h8300/h7300.c (fix_bit_operand): Likewise.
2385 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
2386 (block_move_no_loop, block_move_sequence): Likewise.
2387 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
2388 * config/alpha/alpha.c (get_aligned_mem): Likewise.
2389 Clear MEM_ALIAS_SET.
2390 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
2391 MEM_COPY_ATTRIBUTES.
2393 2000-05-03 Robert Lipe <robertlipe@usa.net>
2395 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
2396 to suppress libgcc1.
2397 (i[34567]86-*-sco3.2v5*) Likewise.
2398 (i[34567]86-*-sco3.2v4*) Likewise.
2399 (i[34567]86-*-sco) Likewise.
2400 (i[34567]86-*-solaris2) Likewise.
2401 (i[34567]86-*-sysv5*) Likewise.
2402 (i[34567]86-*-sysv4*) Likewise.
2403 (i[34567]86-*-udk*) Likewise.
2404 (i[34567]86-*-sysv*) Likewise.
2406 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
2408 * cpphash.h (U): New define, to correct type of string constants.
2409 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
2410 routines, to do casts when passing unsigned strings to libc.
2411 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
2413 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
2414 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
2415 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
2416 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
2417 second argument an U_CHAR *.
2419 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
2420 length field, clean up initializer.
2421 (ISTABLE): Add __extension__ to designated-
2422 initializers version.
2423 * cpplex.c (CHARTAB): Likewise.
2425 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
2426 case so the file won't be empty.
2428 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
2430 * bb-reorder.c (struct reorder_block_def): Member succ removed.
2431 (REORDER_BLOCK_SUCC): Removed.
2432 (enum reorder_skip_type): Removed.
2433 (skip_insns_between_block): Renamed to skip_insns_after_block.
2434 Removed second argument. Removed dead code and cleaned up.
2435 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
2436 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
2437 second parameter to skip_insns_after_block.
2439 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2441 * tree.c (staticp, case LABEL_DECL): New case.
2443 2000-05-03 Richard Henderson <rth@cygnus.com>
2445 * Makefile.in (start.encap): Do not depend on LIBGCC1.
2447 * mklibgcc1.in: Fix typo last change.
2449 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
2451 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
2452 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
2453 (GCC_CFLAGS): Use it.
2454 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
2455 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
2456 objc/Make-lang.in: Use it.
2458 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
2460 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
2462 2000-05-03 Richard Henderson <rth@cygnus.com>
2464 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
2465 LIBGCC1 empty with libgcc1.null.
2467 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
2469 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
2472 2000-05-03 Greg McGary <gkm@gnu.org>
2474 * tree.h (tree_common): Add bounded_flag member. Remove
2475 inaccurate comment about number of remaining bits.
2476 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
2477 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
2478 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
2479 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
2480 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
2481 (TYPE_QUAL_BOUNDED): New constant.
2482 (TYPE_QUALS): Handle bounded qualifier.
2483 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
2484 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
2485 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
2486 TYPE_AMBIENT_BOUNDEDNESS): New macros.
2487 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
2488 (tree_type): Add pointer_depth member. Remove
2489 inaccurate comment about number of remaining bits.
2490 (DECL_POINTER_DEPTH): Add macro.
2491 (tree_decl): Add pointer_depth member.
2493 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
2495 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
2496 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
2497 (lshrhi3_out): Likewise.
2498 (ashrsi3_out): bugfix in shift by 8.
2499 (test_hard_reg_class): New function.
2500 * config/avr/avr.md: Bugfix inside conditions in peepholes.
2501 (ashlhi3): removed define_expand of this pattern.
2502 (*ashlhi3_insn): renamed to ashlhi3.
2503 (ashlsi3): removed define_expand of this pattern.
2504 (*ashlsi3_insn): renamed to ashlsi3.
2505 (ashrqi3): removed define_expand of this pattern.
2506 (*ashrqi3_insn): renamed to ashrqi3.
2507 (ashrhi3): removed define_expand of this pattern.
2508 (*ashrhi3_insn): renamed to ashrhi3.
2509 (ashrsi3): removed define_expand of this pattern.
2510 (*ashrsi3_insn): renamed to ashrsi3.
2511 (lshrhi3): removed define_expand of this pattern.
2512 (*lshrhi3_insn): renamed to lshrhi3.
2513 (lshrsi3): removed define_expand of this pattern.
2514 (*lshrsi3_insn): renamed to lshrsi3.
2516 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
2518 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
2519 inclusion of "system.h".
2521 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
2523 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
2526 2000-05-03 David Mosberger <davidm@hpl.hp.com>
2528 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
2529 if -mauto-pic is on.
2530 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
2531 -mconstant-gp is in effect and function-descriptors are being used
2532 to make indirect calls.
2533 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
2534 (MASK_AUTO_PIC): Ditto.
2535 (TARGET_CONST_GP): Ditto.
2536 (TARGET_AUTO_PIC): Ditto.
2537 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
2538 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
2539 -mno-pic is in effect.
2540 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
2541 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
2542 -mauto-pic is in effect.
2543 (gprel64_offset): New pattern.
2544 (load_gprel64): Ditto.
2545 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
2546 -mconstant-gp is in effect, no need to preserve gp around direct
2548 (call_value): Ditto.
2549 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
2550 (FUNCTION_PROFILER): Define.
2551 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
2552 @fptr() directive when -mno-pic or -mauto-pic is in effect.
2553 (ASM_OUTPUT_DESTRUCTOR): Ditto.
2555 2000-05-03 Richard Henderson <rth@cygnus.com>
2557 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
2558 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
2559 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
2560 (mklibgcc, libgcc.mk): New targets.
2561 (libgcc.a): Use libgcc.mk.
2562 (stmp-multilib): Likewise.
2563 (stmp-multilib-sub): Remove.
2564 (mostlyclean): Don't delete libgcc2 temp files.
2565 * configure.in (AC_PROG_CC_C_O): Add.
2566 (NO_MINUS_C_MINUS_O): Substitute it.
2567 (all_outputs): Add mklibgcc.
2568 * mklibgcc.in: New file.
2570 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
2572 * cppexp.c (op_t): Make an int.
2574 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
2576 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
2578 * gensupport.c (process_rtx): Fix macros used.
2580 2000-05-03 Richard Henderson <rth@cygnus.com>
2582 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
2583 call-clobbered registers of a call.
2585 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
2587 * gensupport.c: New file.
2588 * gensupport.h: New file.
2589 * Makefile.in (HOST_RTL): Depend on gensupport.
2590 (gensupport.o) New rule.
2591 * genattr.c: Use gensupport for reading .md files.
2592 * genattrtab.c: Ditto.
2593 * gencodes.c: Ditto.
2594 * genconfig.c: Ditto.
2596 * genextract.c: Ditto.
2597 * genflags.c: Ditto.
2598 * genopinit.c: Ditto.
2599 * genoutput.c: Ditto.
2601 * genrecog.c: Ditto.
2602 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
2603 * md.texi (Insn Splitting): Document define_insn_and_split.
2605 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
2607 * flow.c (verify_flow_info): Added two more sanity checks. The
2608 first checks that the blocks are numbered consecutively. The second
2609 checks that n_basic_blocks is actually equal to the number of
2610 basic blocks in the insn chain.
2612 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
2614 * cpplib.h: Add accessor macros for token lists.
2615 * cpplib.c, cpphash.c, cpplex.c: Use them.
2617 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2619 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
2620 memory usage if not in a function.
2621 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
2622 return address if static.
2624 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
2626 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
2627 whether address may trap.
2629 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
2631 * bb-reorder (chain_reorder_blocks): Changed code to test for
2632 EDGE_FALLTHRU rather than making erroneous assumption that the
2633 first outgoing edge is the fall-through edge.
2635 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
2637 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
2638 ABI for varargs, across all MIPS. This is incompatible because the
2639 va_list (__builtin_va_list) structure is different, so a compilation
2640 unit passing a va_list and a compilation unit being passed one, should
2641 both be compiled with the same ABI. (The old structure had two
2642 pointers, now it has three.)
2644 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
2646 * bb-reorder.c (struct reorder_block_def): Remove members end,
2647 block_begin, and block_end.
2648 (REORDER_BLOCK_OLD_END): Delete.
2649 (REORDER_BLOCK_BEGIN): Delete.
2650 (REORDER_BLOCK_END): Delete.
2651 (chain_reorder_blocks): Remove dead code.
2653 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
2655 * bb-reorder.c (remove_scope_notes): Check for both types of scope
2656 notes as the end of a basic block before deleting.
2658 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
2660 * final.c (final_start_function): Fix spelling of "necessary".
2662 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
2664 * toplev.c (debug_ignore_block): Return int.
2665 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
2666 * toplev.h, dwarf2out.h: Adjust.
2667 * emit-rtl.c (remove_unnecessary_notes): Test return value.
2669 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
2670 * toplev.c, final.c, rtl.h: Adjust.
2672 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
2674 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
2675 * configure.in: Look for makeinfo in the unified tree, then
2676 for a system makeinfo which is sufficiently new.
2677 * Makefile.in: If configure says makeinfo is too old, don't
2678 build or install Info documentation.
2680 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
2682 * cpphash.c (collect_params): Fix off-by-one error.
2683 (dump_hash_helper): Dump all four macro nodetypes.
2685 2000-05-02 Jakub Jelinek <jakub@redhat.com>
2687 * cpphash.c (trad_stringify): Adjust p after stringification as
2690 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
2692 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
2693 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
2695 * cppfiles.c (file_cleanup): Delete.
2696 * cpphash.c (macro_cleanup): Delete.
2697 (collect_objlike_expansion, collect_funlike_expansion,
2698 macarg, scan_arguments): Remove CPP_POP case.
2700 * cpplex.c (null_cleanup): Delete.
2701 (cpp_pop_buffer): Do the work that was done in the cleanups
2702 here. Call _cpp_unwind_if_stack from here.
2703 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
2704 cpp_scan_buffer): Run until we see CPP_EOF and the top of
2705 stack is the buffer _below_ the one we stacked.
2706 (cpp_get_token): Always pop an exhausted buffer. Return
2707 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
2708 * cpplib.c (skip_if_group): Don't call cpp_get_token to
2709 increment the line number.
2710 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
2712 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
2713 we see CPP_EOF and the top of stack is the buffer _below_ the
2715 * scan-decls.c: Likewise.
2717 2000-05-02 Andrew Haley <aph@cygnus.com>
2719 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
2720 where this function is called for the second time on a decl that
2721 has had its section info changed in such a way as to move it out
2723 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
2725 2000-05-01 Richard Henderson <rth@cygnus.com>
2727 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
2728 the sequence we're moving, not to merge_bb->head.
2730 2000-05-01 Richard Henderson <rth@cygnus.com>
2732 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
2733 reference to alpha/t-linux.
2734 (alpha*-*-linux-gnu*): Likewise.
2735 * configure: Rebuild.
2737 * calls.c (expand_call): Don't emit reg notes for a sibcall.
2739 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
2742 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
2744 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
2746 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
2749 2000-05-01 Richard Henderson <rth@cygnus.com>
2751 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
2752 emit_conditional_move.
2754 2000-05-01 Jakub Jelinek <jakub@redhat.com>
2756 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
2757 as the dynamic linker.
2759 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
2761 * cppfiles.c (open_include_file): Open file in blocking mode.
2762 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
2763 Only exclude block devices and directories.
2765 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
2766 static. Allocate the hashnode and its string in the same
2768 (del_HASHNODE): Don't free h->name.
2769 (_cpp_lookup): If there is no entry for this string, create
2770 one, of type T_VOID.
2771 (_cpp_lookup_slot): Delete.
2772 * cpphash.h: Update prototypes.
2774 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
2776 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
2777 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
2778 node here, just fill in the value field properly. "Delete"
2779 entries by setting the value field to T_VOID. Check for
2780 hp->type == T_VOID, not hp == NULL.
2782 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
2783 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
2786 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
2788 * config/mn10300/mn10300.c (print_operand_address): Do not add
2791 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
2792 adjusted by less than 256 bytes, use ret regardless of having any
2793 callee-saved register to restore.
2795 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
2797 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
2799 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
2801 * config/i386/djgpp.h (INT_ASM_OP): Define.
2802 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
2803 (ASM_WEAKEN_LABEL): Define.
2804 (MASK_BNU210): Define.
2805 (SUBTARGET_SWITCHES): Define.
2806 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
2807 (MAKE_DECL_ONE_ONLY): Define.
2808 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
2810 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
2812 * i386/cygwin.h (INT_ASM_OP): Define.
2814 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
2816 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
2817 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
2819 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
2821 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
2822 __tmp_reg__ and __zero_reg__ initialization.
2824 2000-04-30 Richard Henderson <rth@cygnus.com>
2826 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
2828 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
2829 referenced bewteen the condition and the jump. Don't delete
2830 anything but the jump.
2832 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
2834 * bb-reorder.c (scope_def): New struct.
2835 (scope_forest_info): New struct.
2836 (struct reorder_block_def): New member "scope".
2837 (REORDER_BLOCK_SCOPE): New macro.
2838 (relate_bbs_with_scopes): New function and prototype.
2839 (make_new_scope): Likewise.
2840 (build_scope_forest): Likewise.
2841 (remove_scope_notes): Likewise.
2842 (insert_intra_1): Likewise.
2843 (insert_intra_bb_scope_notes): Likewise.
2844 (insert_inter_bb_scope_notes): Likewise.
2845 (rebuild_scope_notes): Likewise.
2846 (free_scope_forest_1): Likewise.
2847 (free_scope_forest): Likewise.
2848 (dump_scope_forest): Likewise.
2849 (dump_scope_forest_1): Likewise.
2850 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
2851 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
2853 (reorder_basic_blocks): Added calls to build_scope_scope_forest
2854 and remove_scope_notes before reordering is done. Added calls to
2855 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
2856 after reordering is done.
2858 2000-40-30 Bruce Korb <bkorb@gnu.org>
2860 * fixinc/inclhack.def: Added definitions needed by OSR5,
2861 removed two stale entries (defined away with OLD_CPP).
2862 * fixinc/inclhack.sh: regen
2863 * fixinc/fixincl.x: regen
2865 2000-04-30 Richard Henderson <rth@cygnus.com>
2867 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
2868 from the last insn in the sequence.
2870 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
2872 * cpplex.c (cpp_idcmp): New function.
2873 * cpplib.h: Prototype it.
2874 * scan_decls.c (scan_decls): Use it to inspect token names.
2875 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
2876 the file being run through the preprocessor.
2877 (check_macro_names): Provide length of token to cpp_defined.
2879 * Makefile.in: Remove stale warning message.
2881 * cppfiles.c (redundant_include_p): Provide length of token to
2883 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
2884 values are unsigned int.
2885 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
2886 (_cpp_lookup_slot): Do not calculate the hash, either.
2887 * cpphash.h: Update prototypes.
2888 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
2889 Hashes are unsigned int. Calculate hash here, pass by value
2890 to _cpp_lookup_slot.
2892 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
2894 * simplify-rtx.c (check_value_useless): Delete function.
2895 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
2897 (cselib_invalidate_regno): Likewise.
2898 (cselib_invalidate_mem_1): Likewise.
2899 (references_value_p): Recognize useless values by the fact that they
2901 (discard_useless_values): Likewise.
2902 (cselib_record_set): This may turn a useless value
2905 2000-04-30 Richard Henderson <rth@cygnus.com>
2907 * config/d30v: New port.
2909 * configure.in (d30v-*): Set fp format.
2910 * configure: Rebuild.
2912 2000-04-30 Richard Henderson <rth@cygnus.com>
2914 * ifcvt.c: New file.
2915 * Makefile.in (OBJS): Add it.
2916 (ifcvt.o): New target.
2917 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
2918 and conditional arithmetic.
2919 (find_insert_position): Remove.
2920 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
2921 * toplev.c (DFI_ce, DFI_ce2): New.
2922 (dump_file): Add ce and ce2 dumps.
2923 (rest_of_compilation): Run if_convert a couple o times. Set
2924 cse_not_expected after cse2. Don't set no_new_pseudos until
2925 after sched1 or recompute_reg_usage.
2927 2000-04-30 Richard Henderson <rth@cygnus.com>
2929 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
2930 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
2932 2000-04-30 Richard Henderson <rth@cygnus.com>
2934 * flow.c (struct reg_cond_life_info): New.
2935 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
2936 (init_propagate_block_info): Initialize them.
2937 (free_propagate_block_info): Destruct them.
2938 (mark_set_1): Consider conditional life before killing a register.
2939 (mark_regno_cond_dead): New.
2940 (free_reg_cond_life_info): New.
2941 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
2942 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
2943 (mark_used_reg): Record conditional life.
2945 * haifa-sched.c (schedule_insns): Disable death counting
2946 sanity check for HAVE_conditional_execution.
2948 2000-04-30 Richard Henderson <rth@cygnus.com>
2950 * Makefile.in (TIMEVAR_H): New.
2951 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
2952 (timevar.h): Remove rule.
2954 2000-04-29 Richard Henderson <rth@cygnus.com>
2956 * config/alpha/crtend.asm: Use C comments instead of #.
2957 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
2959 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
2961 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
2963 * cpphash.h (enum node_type: Take out T_MCONST.
2964 (union hashval): Move into struct hashnode.
2965 (struct hashnode): Pack tighter. Remove file, line, col
2967 * cpphash.c: Constify most of the macro-definition structures.
2968 (struct definition): Replace by struct object_defn
2969 and struct funct_defn. Put file, line, column information
2970 here. All users updated to match.
2971 (_cpp_create_definition, _cpp_macroexpand): Remove special
2972 case for #define WORD OTHERWORD.
2973 * cpplib.c (do_undef): Remove T_MCONST case.
2975 * cpphash.h: Move struct reflist, struct definition, and the
2976 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
2977 union hashval. _cpp_free_definition takes a HASHNODE pointer.
2978 * cpphash.c (_cpp_free_definition): Free data pointed to by
2979 MCONST, XCONST, MACRO, and FMACRO nodes properly.
2980 (_cpp_create_definition, del_HASHNODE): Just call
2981 _cpp_free_definition to clear out a hashnode.
2982 * cpplib.c (do_pragma_poison): Likewise.
2984 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
2986 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
2987 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
2988 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
2989 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
2990 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
2991 REGNO_AM33_P): Redefine in terms of the new macros.
2992 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
2993 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
2994 STRUCT_VALUE): Likewise.
2995 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
2996 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
2998 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
3000 * regmove.c (struct record_stack_memrefs_data): New.
3001 (record_stack_memrefs): New function.
3002 (combine_stack_adjustments_for_block): Use it.
3004 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
3006 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
3007 use special_function_p to detect alloca.
3009 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
3011 * gcc.texi: Fixes for makeinfo 4.0 --html.
3013 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
3015 * pcp.h: Delete file.
3017 2000-04-28 Kazu Hirata <kazu@hxi.com>
3019 * h8300.c (function_epilogue): Clean up flags when the last insn
3020 in a function is a barrier.
3022 2000-04-28 Chris Demetriou <cgd@sibyte.com>
3024 * configure.in (sparc-hal-solaris2*): protect [] glob from
3026 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
3027 rather than hard-coded constants in target_cpu_default2.
3028 * configure: Regenerate.
3030 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
3032 * tree.c (get_callee_fndecl): Extract the initial value from
3035 2000-04-28 Richard Henderson <rth@cygnus.com>
3037 * varasm.c (record_constant_1): Record the CODE_LABEL when
3038 taking the address of a LABEL_REF.
3040 2000-04-28 Richard Henderson <rth@cygnus.com>
3041 Jan Hubicka <jh@suse.cz>
3043 * calls.c (combine_pending_stack_adjustment_and_call): Return the
3044 adjustment; don't do the stack adjust.
3045 (expand_call): Call compute_argument_block_size right before
3046 allocating the block; update comment; don't do alignment sanity
3047 checking for sibling call; use args_size instead of
3048 unadjusted_args_size before args_size is adjusted. Use
3049 combine_pending_stack_adjustment_and_call to compute stack adjust
3050 for must_preallocate case.
3052 * expr.c (push_block): Remove shadow `temp' in inner scope.
3054 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
3056 * toplev.c (rest_of_compilation): Call
3057 note_deferral_of_defined_inline_function even if the function
3060 2000-04-28 Scott Bambrough <scottb@netwinder.org>
3062 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
3064 2000-04-28 Richard Henderson <rth@cygnus.com>
3066 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
3068 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3070 * timevar.c (init_timevar): DeANSIfy function definition.
3072 2000-04-27 Alex Samuel <samuel@codesourcery.com>
3074 * Makefile.in (timevar.o): Depend on flags.h.
3075 * timevar.c (unused_stack_instances): New variable.
3076 (timevar_push): Take a timevar_stack_def from
3077 unused_stack_instances if available.
3078 (timevar_pop): Push the popped timevar_stack_def onto
3079 unused_stack_instances.
3080 (TIMEVAR_ENABLE): New macro.
3081 (timevar_def): Make standalone a 1-bit field. Add field used.
3082 (get_time): Rename parameter to now. Return after clearing it if
3084 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
3085 (timevar_pop): Likewise.
3086 (timevar_stop): Likewise.
3087 (timevar_push): Likewise. Mark the timing variable as used.
3088 (timevar_start): Likewise.
3089 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
3090 timevars that were never used.
3092 2000-04-27 Mark Mitchell <mark@codesourcery.com>
3094 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
3095 always TREE_READONLY.
3097 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
3099 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
3100 for call instruction with mode QImode.
3102 2000-04-27 Alex Samuel <samuel@codesourcery.com>
3104 * Makefile.in (OBJS): Add timevar.o.
3105 (toplev.o): Depend on timevar.h.
3106 (ggc-simple.o): Likewise.
3107 (ggc-page.o): Likewise.
3108 (timevar.o): New rule.
3109 (timevar.h): New rule.
3111 * timevar.h: New file.
3112 * timevar.c: Likewise.
3113 * timevar.def: Likewise.
3115 * toplev.h (gc_time, parse_time, varconst_time): Remove.
3116 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
3118 (TIMEVAR): Remove macro.
3119 (gc_time, parse_time, varconst_time, integration_time, jump_time,
3120 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
3121 flow_time, combine_time, regmove_time, sched_time,
3122 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
3123 sched2_time, dbr_sched_time, reorder_blocks_time,
3124 rename_registers_time, shorten_branch_time, stack_reg_time,
3125 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
3127 (compile_file): Don't initialize time variables. Call
3128 init_timevar and start TV_TOTAL timer. Call timevar_print instead
3129 of many calls to print_time.
3130 (rest_of_compilation): Add timing for reload_cse_regs.
3131 (get_run_time): Removed to timevar.c.
3132 (print_time): Likewise.
3133 (get_run_time): Implement using TV_TOTAL time variable.
3134 (print_time): Get total run time from get_run_time.
3135 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
3136 computing elapsed time explicitly.
3137 * ggc-simple.c (ggc_collect): Likewise.
3138 (gc_time): Remove declaration.
3140 2000-04-27 Mark Mitchell <mark@codesourcery.com>
3142 * calls.c (combine_pending_stack_adjustment_and_call): New function.
3143 (expand_call): Use it.
3145 2000-04-27 Jan Hubicka <jh@suse.cz>
3147 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
3150 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
3152 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
3155 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
3157 * function.c (epilogue_done): Pass whole insn to record_insns.
3159 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
3161 * cse.c (CSE_ADDRESS_COST): Remove.
3162 (find_best_addr): Add new parameter "MODE", use address_cost instead
3164 (address_cost): New.
3165 (fold_rtx): Update call of find_best_addr.
3166 * rtl.h (address_cost): Declare.
3167 * loop.c (general_induction_var): Add new parameter "MODE", use
3168 address_cost instead of ADDRESS_COST
3169 (init_loop): Use address_cost instead of ADDRESS_COST.
3170 (check_insn_for_givs): Update call of general_induction_var.
3171 (find_mem_givs): Likewise.
3172 (consec_sets_giv): Likewise.
3173 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
3174 * i386.c (ix86_address_cost): New.
3175 * i386-protos.h (ix86_address_cost): Declare.
3177 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
3179 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
3182 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
3184 * expr.c (store_expr): Use clear_storage instead of direct memset
3187 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
3189 * config/mn10300/mn10300.c (mn10300_address_cost): Test
3190 ASHIFT, AND and LABEL_REF.
3192 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
3194 * invoke.texi (-foptimize-sibling-calls): Fix.
3196 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
3198 * loop.c (load_mems) Don't use hard registers for the hoisting.
3200 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
3201 calculation; rename const_equiv array in the preconditioning code
3202 from loop_unroll to loop_unroll_precondition
3204 2000-04-27 Richard Henderson <rth@cygnus.com>
3206 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
3208 (propagate_one_insn): Clear it. Don't update reg_live here.
3209 (init_propagate_block_info): Update for pbi member changes.
3210 (free_propagate_block_info): Likewise.
3211 (mark_set_1): Know that zero_extract, sign_extract, and
3212 strict_low_part don't kill their argument. Alter hard subregs.
3213 Update new_set for non-CLOBBER sets. Update reg_live.
3214 (find_auto_inc): Update reg_live, not new_dead.
3215 (mark_used_reg): Update reg_live, not new_live. Examine new_set
3216 to determine if the reg in question was set this insn. Only update
3217 reg info with PROP_REG_INFO.
3219 2000-04-26 Richard Henderson <rth@cygnus.com>
3221 * flow.c (allocate_reg_life_data): Set max_regno here ...
3222 (life_analysis): ... not here.
3224 * flow.c (calculate_global_regs_live): Force stack pointer
3227 2000-04-26 Richard Henderson <rth@cygnus.com>
3229 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
3230 commit change group changes.
3231 (invert_exp_1): Similarly.
3232 (redirect_exp, invert_exp): Use them.
3233 (redirect_jump_1): New.
3234 (invert_jump_1): New.
3235 (jump_optimize_1): Remove code subsumed by condexec.c.
3236 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
3238 2000-04-26 Richard Henderson <rth@cygnus.com>
3240 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
3242 * genconfig.c (main): Set all HAVE_foo to 1.
3244 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
3246 2000-04-26 Alex Samuel <samuel@codesourcery.com>
3248 * invoke.texi: Document -fssa flag.
3250 2000-04-26 Richard Henderson <rth@cygnus.com>
3252 * flow.c (count_reg_sets_1): Remove.
3253 (count_reg_sets, count_reg_references): Remove.
3254 (recompute_reg_usage): Implement with update_life_info.
3255 Reallocate life data.
3257 2000-04-26 Richard Henderson <rth@cygnus.com>
3259 * flow.c (update_life_info): Consider blocks null to mean the
3261 (calculate_global_regs_live): Likewise.
3262 (life_analysis): Do that instead of collecting all_blocks.
3264 2000-04-26 Richard Henderson <rth@cygnus.com>
3266 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
3267 a still-valid conditional jump.
3269 2000-04-26 Richard Henderson <rth@cygnus.com>
3271 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
3273 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
3274 * flow.c (calculate_loop_depth): Remove.
3275 * output.h (calculate_loop_depth): Don't declare.
3276 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
3277 inline; run estimate_probability at the same time.
3279 2000-04-26 Neil Booth <NeilB@earthling.net>
3281 * cpplib.h: "~=" is not a single pp-token.
3282 * cpplex.c: Correct commentary.
3284 2000-04-26 Richard Henderson <rth@cygnus.com>
3286 * flow.c (mark_set_1): New arguments code and flags; update all
3287 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
3288 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
3289 loop_depth when optimizing for size. Do new_dead update after
3290 emitting REG_UNUSED notes. Merge mark_set_reg code.
3291 (mark_set_reg): Remove.
3292 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
3293 arrange to not emit REG_UNUSED notes.
3295 2000-04-26 Richard Henderson <rth@cygnus.com>
3297 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
3298 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
3300 2000-04-26 Richard Henderson <rth@cygnus.com>
3302 * flow.c (propagate_one_insn): Break out from propagate_block.
3303 (init_propagate_block_info): Likewise.
3304 (free_propagate_block_info): Likewise.
3305 (propagate_block): Use them. Export.
3306 * basic-block.h: Declare them all.
3308 2000-04-26 Richard Henderson <rth@cygnus.com>
3310 * basic-block.h (life_analysis): Declare here ...
3311 * output.h: ... not here.
3312 * flow.c (life_analysis): Remove nregs parameter; replace
3313 remove_dead_code with flags. Remove ssa dead code check.
3314 Only init alias analysis if we'll use it.
3315 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
3316 * ssa.c (convert_to_ssa): Likewise.
3317 (convert_from_ssa): Likewise.
3318 * toplev.c (rest_of_compilation): Likewise.
3320 2000-04-26 Richard Henderson <rth@cygnus.com>
3322 * flow.c (flow_delete_block): Rename from delete_block. Export.
3323 * basic-block.h (flow_delete_block): Declare.
3325 2000-04-26 David S. Miller <davem@redhat.com>
3327 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
3328 taking a PATTERN of it.
3330 2000-04-26 <NeilB@earthling.net>
3332 * cpplex.c (spell_other, spell_char): Remove.
3334 (token_spelling, trigraph_map): Use unsigned chars.
3335 (_cpp_lex_line): Tidy up the switch statement.
3336 * cpplib.h: Implement spell_char with spell_string.
3339 2000-04-26 <RodneyBrown@pmsc.com>
3341 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
3342 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
3344 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3346 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
3347 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
3348 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
3349 dwarf2out_return_save, dwarf2out_return_reg,
3350 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
3351 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
3352 gen_compile_unit_die, dwarf2out_init): Constify a char*.
3354 * dwarf2out.h (dwarf2out_init): Likewise.
3356 * dwarfout.c (filename_entry, primary_filename, last_filename,
3357 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
3359 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
3360 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
3361 dwarf2out_return_reg): Likewise.
3363 2000-04-26 Andreas Jaeger <aj@suse.de>
3365 * extend.texi (Function Attributes): Fix description of pure
3368 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
3370 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
3371 before calling rest_of_compilation.
3373 2000-04-26 Andreas Jaeger <aj@suse.de>
3375 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
3378 2000-04-25 Richard Henderson <rth@cygnus.com>
3380 * cse.c (cse_insn): Emit barrier after unconditional jump.
3382 * calls.c (expand_call): Disable tail call generation once
3383 rtx_equal_function_value_matters is false.
3385 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
3388 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
3390 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
3392 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
3394 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
3395 is the primary DIE for a member function.
3396 (gen_decl_die): Call set_decl_origin_self here.
3397 * dwarfout.c (output_decl): And here.
3398 * integrate.c (output_inline_function): Not here.
3399 Don't clear DECL_INLINE until after calling rest_of_compilation.
3400 (set_decl_origin_self): No longer static.
3401 * tree.h: Add prototype.
3402 * toplev.c (note_deferral_of_defined_inline_function): Only write
3403 out abstract instance for actual inlines.
3405 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
3407 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
3408 EXTENDED_REGS only if TARGET_AM33.
3409 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
3410 SP_REGS to register allocation and reloading unless absolutely
3412 (movsi3): Remove special-case of adding non-constants to SP.
3414 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3416 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
3417 INCLUDES to search and does not provide any of its own. Also it
3418 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
3419 parameters. Also it does not call AC_DEFINE.
3420 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
3421 AC_DEFINE and provides for automatic entries for autoheader.
3422 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
3424 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
3425 so we can pass -I flags and include gansidecl.h/system.h in this
3428 * acconfig.h: Delete all NEED_DECLARATION_* entries.
3430 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3432 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
3433 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
3434 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
3436 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
3437 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
3438 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
3439 for these macros. Clean up spacing and linewraps.
3441 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
3443 * calls.c (expand_call): Use get_callee_fndecl.
3445 * print-tree.c (print_node): Print the chain of an _EXPR.
3447 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
3448 Jim Wilson <wilson@cygnus.com>
3449 Andrew Haley <aph@cygnus.com>
3451 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
3452 and gp save/restore problems.
3453 * config/ia64/crtend.asm: Add IA-64 unwind support.
3454 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
3455 in fr_pad_size calculation.
3456 (save_restore_insns): Move PR save area. Correct uses of
3457 RTX_FRAME_RELATED_P.
3458 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
3459 (ia64_expand_epilogue): Add eh_epilogue support.
3460 (ia64_function_prologue): Emit .prologue directive.
3461 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
3462 (ia64_override_options): Set init_machine_status and
3463 mark_machine_status.
3464 (rtx_needs_barrier): Handle bsp reads and writes.
3465 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
3466 New static variables.
3467 (process_set, process_for_unwind_directive): New functions.
3468 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
3469 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
3470 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
3472 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
3473 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
3474 (struct machine_function): Define.
3475 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
3477 2000-04-25 Bruce Korb <bkorb@gnu.org>
3479 * fixinc/Makefile.in: make the removal of old programs more
3481 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
3482 install-bin and install-sh
3484 2000-04-25 Nick Clifton <nickc@cygnus.com>
3486 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
3487 defined, define to return zero.
3488 (function_cannot_inline_p): If a function has any target
3489 specific attributes, then use the macro
3490 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
3491 whether it can be inlined. If it cannot, issue a suitable
3494 * tm.texi: Add a new node 'Inlining' to document the new macro
3495 FUNCTION_ATTRIBUTE_INLINABLE_P.
3497 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
3499 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
3502 2000-04-25 Neil Booth <NeilB@earthling.net>
3504 Restore previous patch, plus the following fixes:
3506 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
3507 flags, not CPP_OPEN_PAREN.
3508 * cpplex.c (expand_token_space, init_token_list,
3509 cpp_free_token_list): Put the dummy token at list->tokens[-1].
3510 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
3512 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3514 * config/i386/freebsd.h (INT_ASM_OP): Define.
3516 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
3518 * loop.c (strength_reduce): Fix typo in the last checkin.
3520 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3522 * stor-layout.c (finalize_record_size): Simplify to use existing
3524 (compute_record_mode): No longer static.
3525 * tree.h (compute_record_mode): New declaration.
3527 2000-04-25 Neil Booth <NeilB@earthling.net>
3529 * Revert my patch below until cause of build failures
3532 2000-04-25 Richard Henderson <rth@cygnus.com>
3534 * combine.c (combine_instructions): Add missing argument
3537 * toplev.c (rest_of_compilation): Delay sibcall optimization
3538 until after emit_eh_context.
3540 2000-04-24 Nick Clifton <nickc@redhat.com>
3542 * combine.c (combine_instructions): Do not try to combine a
3543 sequence of insns when the second insn has been replaced by a
3546 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
3548 * gcc.c (load_specs): New static function.
3549 (read_specs): Use it.
3551 * gcc.c (lookup_compiler): Make multiple passes for case
3552 insensitive filesystems.
3554 2000-04-24 Neil Booth <NeilB@earthling.net>
3556 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
3557 * cpphash.h (_cpp_check_directive): new.
3558 * cpplex.c (handle_newline, cpp_free_token_list,
3559 init_trigraph_map, trigraph_ok, trigraph_replace,
3560 backslash_start, skip_block_comment, skip_line_comment,
3561 skip_whitespace, parse_name, parse_number, parse_string,
3562 copy_comment, _cpp_lex_line, spell_char, spell_string,
3563 spell_comment, spell_name, spell_other, _cpp_lex_file,
3564 _cpp_output_list): new.
3565 (expand_name_space): take length argument.
3566 (init_token_list): add comment list initialisation.
3567 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
3568 instead of HSPACE_BEFORE.
3570 * cpplib.c (_cpp_check_directive): new
3571 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
3572 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
3573 (HSPACE_BEFORE): delete.
3574 (TTYPE_TABLE): rearrange.
3575 (struct cpp_toklist): update.
3577 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3579 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
3580 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
3581 argument form of AC_DEFINE.
3583 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
3584 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
3585 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
3586 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
3587 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
3589 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
3591 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3593 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
3594 deduced.h): Use -isystem, not -I, for including system headers.
3596 2000-04-24 Nick Clifton <nickc@cygnus.com>
3598 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
3599 the source register is the frame pointer or arg pointer.
3600 (addsi3_small_int): Disallow if source register is the frame
3601 pointer or arg pointer.
3603 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3605 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
3606 call to AC_MSG_RESULT.
3608 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3610 * invoke.texi: Correct grammatical errors, document
3611 -fno-gnu-keywords as identical to -fno-asm for C++.
3613 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3615 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
3616 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
3617 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
3618 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
3619 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
3621 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
3622 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
3623 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
3624 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
3627 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
3629 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
3630 (pop_alignment): Likewise.
3631 (handle_pragma_token): Likewise.
3633 2000-04-24 Robert Lipe <robertlipe@usa.net>
3635 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
3637 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
3639 * combine.c (try_combine): Update reg_nonzero_bits of
3640 newi2pat before newpat.
3642 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
3644 * loop.c (strength_reduce): Simplify test to INSN_P.
3645 (record_giv): Attempt to simplify the add value, use CONSTANT_P
3646 expressions instead of CONST_INT.
3647 (express_from_1): Likewise.
3649 2000-04-24 Mark Mitchell <mark@codesourcery.com>
3651 * regs.h (reg_n_max): Don't declare.
3652 * flow.c (reg_n_max): Don't define.
3653 * regclass.c (renumber): Don't initialize to zero.
3654 (regno_allocated): Likewise.
3655 (reg_n_max): Define.
3656 (allocate_reg_info): Don't initialize unnecessarily.
3658 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
3660 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
3661 and blockage_p in the newly allocated attribute.
3663 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
3665 * config/mn10300/mn10300.md (addsi): `inc4' on address
3666 registers does not modify cc, but `inc' on an extended
3669 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
3671 * reload.c (find_equiv_reg): Checks all valueno regs
3672 as a reload_reg_p regs.
3674 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
3676 * cpphash.c (collect_objlike_expansion): Add sanity check.
3677 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
3678 the buffer is the empty string, return. Mark __DATE__ and
3679 __TIME__ as XCONST nodes, not MCONST.
3680 (_cpp_macroexpand): Avoid pushing an empty buffer.
3681 (funlike_macroexpand): Don't pop token_buffer here.
3683 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
3685 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
3686 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
3687 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
3688 (REGNO_OK_FOR_BASE_P): Define in terms of them.
3689 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
3690 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
3691 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
3693 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
3695 * loop.c (simplify_giv_expr): Be more agressive on simplifying
3698 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
3700 * cpphash.h (struct definition): Move file, line, col members...
3701 (struct hashnode): ... here. Also add 'disabled' flag.
3702 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
3703 T_IDENTITY. Remove T_DISABLED.
3706 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
3707 (collect_expansion): Split into collect_objlike_expansion and
3708 collect_funlike_expansion.
3709 (_cpp_macroexpand): Split out scan_arguments, stringify, and
3710 funlike_macroexpand.
3711 (_cpp_compare_defs): Rename compare_defs, make static.
3712 (_cpp_make_hashnode): Initialize hp->disabled.
3713 (macro_cleanup): Adjust for new token types. Clear
3715 (_cpp_create_definition): Move code here to determine what
3716 sort of macro it is, and code to check for redefinitions, from
3717 do_define. Implement a few simple cases without creating a
3719 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
3720 Handle the simple cases.
3721 (push_macro_expansion): Set buf->has_escapes and hp->disabled
3724 * cppinit.c (builtin_array): Change MCONST to XCONST
3726 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
3727 fix check for disabled and function-like macros.
3728 * cpplib.c (do_define): Move most logic to
3729 _cpp_create_definition.
3730 (do_undef): Handle new special token types.
3732 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
3734 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
3735 of CONSTANT_P for mult_val; always use validate_change to update insn.
3737 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
3739 * cpphash.c (trad_stringify, add_pat): New functions.
3740 (collect_expansion): Restore support for -traditional syntax.
3741 Use trad_stringify and add_pat.
3742 (_cpp_macroexpand): Restore support for -traditional semantics.
3743 * cpplex.c (_cpp_scan_line): Don't change space_before if we
3744 get a COMMENT token.
3745 (_cpp_lex_token): Provide COMMENT tokens to caller if
3746 traditional and parsing_define_directive.
3747 (skip_comment): Warn about // comments if -Wtraditional.
3748 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
3750 (do_undef): Don't warn about undefining EMPTY nodes.
3752 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
3754 * loop.c (strength_reduce): Fix biv removal code.
3756 2000-04-22 Richard Henderson <rth@cygnus.com>
3758 * predict.c (estimate_probability): Examine both sides of
3759 a branch for no exits. Use 90% not 50% for predict taken.
3760 Reorg for one copy of note generation code.
3762 2000-04-22 Richard Henderson <rth@cygnus.com>
3764 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
3766 2000-04-22 Richard Henderson <rth@cygnus.com>
3768 * diagnostic.c (init_output_buffer): Don't initialize format_args.
3769 (output_clear): Likewise.
3770 (output_printf): Use va_copy.
3771 (vline_wrapper_message_with_location): Likewise.
3772 (v_message_with_decl): Likewise.
3773 (line_wrapper_printf): VA_START infor buffer.format_args directly.
3774 * system.h (va_copy): Provide default implementation.
3776 2000-04-22 Richard Henderson <rth@cygnus.com>
3778 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
3779 the collected condition is not a constant.
3781 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
3783 * diagnostic.h: New file.
3785 * Makefile.in (diagnostic.o): Depends on diagnostic.h
3787 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
3788 various function prototypes.
3789 (diagnostic.h): #include.
3790 (struct output_buffer): Move into diagnostic.h.
3791 (get_output_prefix): Rename to output_get_prefix. Export.
3792 (init_output_buffer): Export. Break out. Ajust intialization.
3793 (output_space_left, output_append): Export.
3794 (output_newline): Rename to output_add_newline. Export.
3795 (output_clear): Nullify additional output_buffer fields.
3796 (output_puts): Rename to output_add_string. Export.
3797 (dump_output): Rename to output_flush_on. Export.
3798 (build_location_prefix): Constify return-type.
3799 (emit_output_prefix): Rename to output_emit_prefix. Export.
3800 (set_real_maximum_length): New function.
3801 (output_set_maximum_length): Ditto
3802 (output_clear): Ditto.
3803 (output_add_character): Ditto.
3804 (output_add_integer): Ditto.
3805 (output_add_space): Ditto.
3806 (output_format): Ditto.
3807 (output_printf): Adjust buffer initialization.
3808 (vline_wrapper_message_with_location): Ditto.
3809 (v_message_with_decl): Ditto. Adjust call to output_puts
3810 and get_output_prefix.
3811 (default_print_error_function): Adjust buffer intialization.
3813 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3815 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
3818 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
3820 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
3823 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
3825 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
3826 accurate data about SP moves.
3828 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
3830 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
3831 aliases to AM33 registers.
3833 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
3835 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
3836 to all EXTENDED bitmaps.
3838 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
3840 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
3841 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
3842 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
3844 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
3846 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
3847 the operand is not constant.
3849 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
3851 * reload.c (find_equiv_reg): Checks all valueno and regno regs
3852 as a call-clobbered regs.
3854 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3856 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
3858 * rtl.def: Update comment.
3859 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
3860 * integrate.c (expand_inline_function): Likewise.
3861 * profile.c (branch_prob): Likewise.
3862 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
3863 * print-rtl.c (print_rtx): Likewise.
3864 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
3865 (reemit_notes): Likewise; also use enum insn_note.
3867 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
3868 (place_field): Properly compute know and actual alignment.
3870 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
3873 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
3876 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
3878 * cpphash.c (struct arg, struct arglist): Const-ify strings.
3879 (warn_trad_stringify, duplicate_arg_p): New helper functions.
3880 (collect_expansion): Rewrite to scan over a token list.
3881 Remove -traditional support.
3882 (collect_formal_parameters): Rename to collect_params; rewrite
3883 to scan over a token list.
3884 (_cpp_create_definition): Adjust to scan a token list.
3885 (_cpp_macroexpand): Remove -traditional support.
3886 (_cpp_compare_defs): Whitespace is now canonicalized.
3887 (comp_def_part): Delete function.
3889 * cpphash.h: Update prototypes.
3890 * cpplex.c (init_token_list): Don't set lineno if there is no
3892 (pedantic_whitespace): New function.
3893 (_cpp_scan_line): Mark tokens that had hspace before. Don't
3894 consume a newline. Use pedantic_whitespace.
3895 (_cpp_lex_token): Remove support for -traditional macros.
3896 (_cpp_get_define_token): Delete.
3897 (_cpp_get_directive_token): Do the real work here. Use
3898 pedantic_whitespace.
3899 (_cpp_init_input_buffer): Initialize pfile->directbuf.
3901 * cpplib.c (get_macro_name): Delete.
3902 (do_define): Read the entire line into pfile->directbuf, then
3903 feed the token list to _cpp_create_definition.
3904 * cpplib.h (HSPACE_BEFORE): new define.
3905 (struct cpp_reader): Add a toklist member, "directbuf".
3907 * predict.c (estimate_probability): New heuristic: if a jump
3908 branches around a block with no successors, predict it taken.
3909 Disentangle control flow.
3911 2000-04-20 Richard Henderson <rth@cygnus.com>
3913 * loop.c (emit_iv_add_mult): Revert last change.
3915 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
3917 * cpplib.h (enum cpp_ttype): Add token types for all
3918 punctuators. Distinguish pp-numbers from valid C numbers.
3919 Give some tokens better names. Initialize from macro.
3920 (struct cpp_name, cpp_token, cpp_toklist): New data
3923 * cpplex.c (bump_column, expand_name_space,
3924 expand_token_space, init_token_list, cpp_output_list,
3925 _cpp_scan_line): New functions.
3926 (output_line_command): Add third argument, new line number.
3927 * cpphash.h: Update prototypes.
3928 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
3931 2000-04-20 Richard Henderson <rth@cygnus.com>
3933 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
3935 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
3937 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
3940 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
3942 * loop.c (emit_iv_add_mult): Simplify it's input and emit
3943 REG_EQUAL note explaining the calculated value.
3945 * calls.c (expand_call): Avoid unnecesary precalculation
3946 and outgoing parameters space guarding for sibling calls.
3947 (store_one_arg): Likewise.
3949 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3951 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
3952 (rest_of_compilation): Write sibling dump file and account
3953 for time as jump time.
3954 * invoke.texi: Update documentation on dump flags.
3956 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
3958 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
3960 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
3962 * cpphash.c (special_symbol): Represent an empty macro with
3963 "\r \r " not just "\r ".
3964 (_cpp_macroexpand): Correct condition for the foo ( ) special
3966 (unsafe_chars): Handle EOF as second argument.
3967 (push_macro_expansion): Simplify test for removing escape at
3968 end. Do not trim both escapes if there is no text in between.
3970 2000-04-19 Jim Blandy <jimb@redhat.com>
3972 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
3973 of PTR_SIZE, when appropriate.
3975 2000-04-19 Mark Mitchell <mark@codesourcery.com>
3977 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
3978 (USE_ENUM_BITFIELDS): Fix typo.
3980 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3982 * stor-layout.c (place_field): Set rli->offset_align properly.
3984 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3986 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
3987 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
3988 PARM_BOUNDARY): Remove unnecessary casts.
3990 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
3992 * calls.c (precompute_arguments): Remove must_preallocate and
3994 (expand_call): Update call of precompute_arguments.
3996 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
3997 check_insn_for_givs): Break out from ...
3998 (strength_reduce) ... here; use for_every_insn_in_loop to call
3999 check_insn_for_givs.
4000 * loop.h (for_every_insn_in_loop): Declare.
4001 (loop_insn_callback): New type.
4003 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
4005 * cpplib.c (do_pragma_poison): Strings in the token buffer are
4008 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
4010 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
4013 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
4015 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
4017 * configure.in: Delete --disable-cpplib option and all
4018 references to cpp_main.
4019 * configure: Regenerate.
4020 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
4021 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
4022 cccp.o, cccp, or cppmain. Link cppmain.o straight to
4023 cpp$(exeext). Add --no-headers to makeinfo command line when
4024 generating INSTALL. Install and uninstall cpp.1 manpage, not
4026 * install.texi: Delete all references to cexp.y/cexp.c.
4027 Delete ancient instructions for compiling GCC on 3b1.
4028 * INSTALL: Regenerate.
4030 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
4031 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
4032 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
4034 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
4035 which is no longer tested anywhere.
4037 * cppinit.c (handle_option): Don't run error message through
4040 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4042 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
4043 * cpperror.c (hashtab.h): Now include.
4044 * cppexp.c (hashtab.h): Likewise.
4045 * cpplex.c (hashtab.h): Likewise.
4046 * cppfiles.c (hashtab.h): Likewise.
4047 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
4048 to htab_find_slot_with_hash.
4049 * cpphash.c (hashtab.h): Now include.
4050 (_cpp_lookup_slot): INSERT is now enum insert_option.
4051 * cpphash.h (_cpp_lookup_slot): Likewise.
4052 * cppinit.c (hashtab.h): Include earlier.
4053 (initialize_builtins): Pass enum to htab_find_slot.
4054 * cpplib.c (hashtab.h): Now include.
4055 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
4056 (do_pragma_poison, do_assert): Likewise.
4057 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
4058 htab_find_slot_with_hash.
4059 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
4060 * tree.c (type_hash_add): Likewise.
4061 (build1): Minor cleanup.
4063 * ggc-common.c: Add missing blanks.
4064 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
4065 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
4067 * stmt.c (mark_case_node): New function.
4068 (mark_case_nesting): Call it.
4070 * expmed.c (emit_store_flag): If comparing two-word integer
4071 with zero, can optimize NE, EQ, GE, and LT.
4073 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
4074 * conflict.c: Minor cleanups.
4075 * optabs.c: Add blank line
4076 * simplify-rtx.c: Minor cleanups.
4078 2000-04-18 Stan Cox <scox@cygnus.com>
4080 * gengenrtl.c (genlegend): Fix misspelling.
4082 2000-04-18 Robert Lipe <robertlipe@usa.net>
4084 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
4085 bitfields of the host compiler are not signed quantities.
4086 * config.in: Regenerate.
4087 * configure: Regenerate.
4088 * system.h (USE_ENUM_BITFIELDS): Added.
4089 (ENUM_BITFIELDS): Added.
4090 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
4091 (SHORT_ENUM_BUG): Deleted.
4092 * tree.h (tree_common): Members `code', `mode', `built_in_class',
4094 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
4095 (CODE_FIELD_BUG): Likewise.
4096 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
4098 * config/m68k/x-ccur (X_CFLAGS): Likewise.
4100 2000-04-18 Mark Mitchell <mark@codesourcery.com>
4102 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
4105 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
4107 * cppexp.c (lex): Don't assume tokens are NUL terminated.
4108 * cpplib.c (do_include, do_import, do_include_next,
4109 read_line_number, detect_if_not_defined): Likewise.
4110 * cpphash.c (collect_expansion): Likewise.
4111 (special_symbol, _cpp_macroexpand): Check return from
4113 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
4114 macros. Delete all uses.
4116 * gcc.dg/cpp-mi.c: Add two more test cases.
4117 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
4119 2000-04-17 Richard Henderson <rth@cygnus.com>
4121 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
4122 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
4124 2000-04-17 Mark Mitchell <mark@codesourcery.com>
4126 * function.c (expand_function_start): Use hard_function_value to
4127 compute the RTL to use for DECL_RESULT.
4129 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
4131 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
4132 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
4133 x86_memory_mismatch_stall): New global variables.
4134 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
4135 alloved; fix load penalties for Athlon.
4136 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
4137 x86_memory_mismatch_stall): Declare.
4138 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
4139 TARGET_MEMORY_MISMATCH_STALL): New.
4140 * i386.md (athlon scheduling parameters): Fix latencies according to
4141 Athlon Optimization Manual.
4142 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
4144 (fsqrt instruction patterns): Set athlon_decode to direct.
4145 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
4146 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
4147 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
4148 and TARGET_PARTIAL_REGISTER_STALL machines.
4149 (pushdf_nointeger): New pattern.
4150 (pushdf_integer): Rename from pushdf.
4151 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
4152 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
4154 2000-04-17 Richard Henderson <rth@cygnus.com>
4156 * loop.c (canonicalize_condition): Add WANT_REG argument.
4157 Stop the search if we match it.
4158 * expr.h (canonicalize_condition): Update decl.
4159 * predict.c (expected_value_to_br_prob): Use it. Track last
4160 expected value note.
4161 (find_expected_value): Remove.
4163 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
4165 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
4167 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
4168 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
4170 * configure.in: Call AC_FUNC_MMAP_FILE.
4171 * configure: Regenerate.
4172 * config.in: Regenerate.
4174 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
4175 * fixinc/fixincl.c: Likewise.
4177 2000-04-17 Richard Henderson <rth@cygnus.com>
4179 * builtins.c (expand_builtin_expect): New.
4180 (expand_builtin): Call it.
4181 * builtins.def (BUILT_IN_EXPECT): New.
4182 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
4183 * extend.texi: Document it.
4185 * predict.c (expected_value_to_br_prob): New.
4186 (find_expected_value): New.
4187 * basic-block.h (expected_value_to_br_prob): Declare.
4188 * toplev.c (rest_of_compilation): Invoke it.
4190 * rtl.h (NOTE_EXPECTED_VALUE): New.
4191 (NOTE_INSN_EXPECTED_VALUE): New.
4192 * rtl.c (note_insn_name): Update.
4193 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
4194 cases; handle NOTE_INSN_EXPECTED_VALUE.
4196 2000-04-17 Jakub Jelinek <jakub@redhat.com>
4198 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
4199 leaf sibcall delay slot if flag_pic.
4200 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
4202 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4204 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
4206 * fixproto: If fix-header fails, exit with an error.
4208 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
4210 * cse.c (struct check_depdendence_data): New.
4211 (check_dependence): New function.
4212 (invalidate): Use check_depdenence.
4214 2000-04-16 Mark Mitchell <mark@codesourcery.com>
4216 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
4217 UNITS_PER_WORD is unsigned.
4219 * tree.h (struct tree_common): Remove misleading comment.
4221 2000-04-16 Dave Pitts <dpitts@cozx.com>
4223 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
4224 message in quotes. Otherwise, IBM's make program treats the '#' as the
4225 start of a comment and ignores the remainder of the line.
4227 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
4229 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
4230 * cexp.y (initialize_random_junk): Likewise.
4231 * cppfiles.c (find_include_file): Cast alloca return value.
4232 * cppinit.c (initialize_standard_includes): Likewise.
4233 * cpplib.c (cpp_define, cpp_undef): Likewise.
4234 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
4235 * final.c (output_asm_insn): Allow for holes in EBCDIC.
4236 * fold-const.c (CHARMASK): New.
4237 (real_hex_to_f): Use it.
4238 * real.c (CHARMASK): New.
4239 (etoasc, asctoeg): Use it.
4240 (asctoeg): EBCDIC lower case characters preceed upper case.
4242 * i370.c (mvs_add_label): Change spacing for coding conventions.
4243 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
4244 outputing case vectors.
4245 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
4246 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
4247 since vector in in the data CSECT.
4248 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
4249 * i370.md (Many patterns): Put the length in the XL directives.
4250 (movdi): Put back STM and MVC in definition.
4251 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
4252 pattern using the TCA.
4253 * oe.h (CPP_SPEC): Added to allow trigraphs.
4254 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
4255 not support the "long long" type.
4257 2000-04-16 Mark Mitchell <mark@codesourcery.com>
4259 * config/mips/mips-protos.h (mips_legitimate_address_p): New
4261 (mips_reg_mode_ok_for_base_p): Likewise.
4262 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
4263 (REG_OK_FOR_INDEX_P): Define unconditionally.
4264 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
4265 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
4266 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
4267 that GET_MODE_SIZE is unsigned.
4268 (mips_reg_mode_ok_for_base_p): Define.
4269 (mips_legitimate_address_p): Likewise. Adjust now
4270 that GET_MODE_SIZE is unsigned.
4271 (block_move_loop): Make the number of bytes unsigned.
4272 (expand_block_move): Likewise.
4273 (function_arg): Make the loop counter unsigned to match the
4276 2000-04-16 Richard Henderson <rth@cygnus.com>
4278 * rtl.h (enum insn_note): New enumeration. Subsume
4279 NOTE_INSN_DELETED and friends.
4280 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
4281 * rtl.c (note_insn_name): Tweak string order.
4283 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
4285 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
4288 * cpplex.c (output_line_command): Remove debugging prints.
4289 (cpp_output_tokens): Don't write out a zero-length buffer or
4290 try to see if it has a newline in it.
4291 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
4292 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
4293 the end of the loop. Use memmove. Don't read past the end of
4294 the buffer. Remove trailing newlines from error messages.
4296 2004-04-16 Neil Booth <NeilB@earthling.net>
4298 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
4299 * cpplib.c: Add new syntax flags to directive table, and
4302 2000-04-15 Ulrich Drepper <drepper@redhat.com>
4304 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
4307 2000-04-15 David Edelsohn <edelsohn@gnu.org>
4309 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
4310 * haifa-sched.c: Update -fsched-verbose comments to use "=".
4312 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4314 * Makefile.in (ggc-page.o): Now includes toplev.h.
4315 * ggc-page.c (toplev.h): Now included.
4316 (gc_time): Remove declaration.
4317 (ggc_collect): TIME now long.
4318 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
4320 * toplev.h (gc_time, parse_time, gc_time): New declarations.
4322 * toplev.c: Make *_time variable long to reduce chance of overflow.
4323 (TIMEVAR): Likewise for `otime'.
4324 (print_time): Arg is now long; compute percentage in FP and round.
4325 * toplev.h (print_time): Arg is long.
4327 * tree.c: Minor whitespace changes.
4329 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
4330 * configure: Rebuilt.
4331 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
4332 (__fixunsxfDI): Renamed from __fixunsxfdi.
4333 (__fixunsdfDI): Renamed from __fixunsdfdi.
4334 (__fixunssfDI): Renamed from __fixunssfdi.
4335 (__floatdisf): Use proper type in REP_BIT macro.
4336 (__fixunsxfSI): Renamed from __fixunsxfsi.
4337 (__fixunsdfSI): Renamed from __fixunsdfsi.
4338 (__fixunssfSI): Renamed from __fixunssfsi.
4339 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
4340 Change location of macros and upper-case some names as above.
4341 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
4342 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
4344 * varasm.c (assemble_variable): Add cast to remove warning.
4345 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
4347 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
4348 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
4349 region number to -1.
4351 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
4353 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
4354 call unshare_all_rtl.
4356 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
4358 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
4360 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
4361 Use .s1 not .s0 for all FP instructions.
4363 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
4365 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
4367 (safe_fwrite, output_line_command): New static functions.
4368 (cpp_expand_to_buffer): Now private to cpplib.
4369 (cpp_scan_buffer): Take a printer.
4371 * cpphash.h: Update prototypes.
4372 * cpplib.h: Update prototypes.
4374 (cpp_buffer): Remove last_nominal_fname.
4375 (cpp_reader): Remove lineno.
4377 * cppmain.c: Use a cpp_printer.
4378 * fix-header.c: No need to inhibit line commands. Call
4379 cpp_start_read with no printer.
4381 * cpperror.c (cpp_notice_from_errno): Provide default name.
4382 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
4383 (find_include_file, cpp_read_file): Use make_IHASH.
4384 (file_cleanup): Set control_macro and clear
4385 input_stack_listing_current here.
4386 (_cpp_execute_include): Don't output entering-file marker.
4387 * cpphash.c (special_symbol): Look for the line number in the
4388 buffer, not the reader.
4389 (_cpp_macroexpand): No need to disable line commands.
4390 (_cpp_dump_definition): No need to generate line commands.
4391 (dump_hash_helper): Remove excess newline from output.
4392 * cppinit.c (dump_special_to_buffer): No need to generate line
4394 (cpp_printer_init): New.
4395 (cpp_start_read): Take a printer, and start it up if it's not
4396 NULL. No need to generate line commands.
4397 (cpp_finish): Expect no buffers stacked at all. Take a
4398 printer argument, and flush the output buffer if it's not
4400 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
4401 Don't put two hashes at the beginning of an assertion.
4402 (cpp_get_token): Don't increment pfile->lineno or emit line
4403 commands here. Return EOF if there's no buffer when we get
4405 * cpplib.c (do_define, skip_if_group):
4406 No need to disable line commands.
4407 (_cpp_output_line_command): Delete function.
4408 (do_line): Don't emit line commands here, but set things up so
4409 they will be emitted if necessary. Use _cpp_fake_ihash to
4410 make unique nominal_fnames if necessary.
4411 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
4412 with 0 for column, not -1.
4413 (_cpp_handle_eof): Don't set the control macro here. Don't
4414 clear input_stack_listing_current here. Don't emit line
4417 2000-04-14 Geoff Keating <geoffk@cygnus.com>
4419 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
4420 always, use the default SVR4 start address.
4422 * config/rs6000/linux.h (LINK_SPEC): Don't define.
4423 (LINK_SHLIB_SPEC): Define.
4424 (LINK_START_DEFAULT_SPEC): Define.
4425 (LINK_OS_DEFAULT_SPEC): Define.
4427 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
4429 * config/rs6000/eabi.asm (__eabi): Call __init rather than
4430 __do_global_ctors to handle constructors.
4431 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
4432 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
4433 (STARTFILE_MVME_SPEC): Likewise.
4434 (STARTFILE_SIM_SPEC): Likewise.
4435 (ENDFILE_ADS_SPEC): Use crtend.
4436 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
4437 (ENDFILE_MVME_SPEC): Likewise.
4438 (ENDFILE_SIM_SPEC): Likewise.
4439 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
4440 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
4441 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
4442 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
4443 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
4444 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
4445 (CRTSTUFF_T_CFLAGS_S): Define.
4446 * config/rs6000/eabi-ctors.c: Delete.
4448 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
4451 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
4455 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
4457 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
4458 plus mask size is smaller or equal to the mode size.
4460 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4462 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
4465 * expr.c (reload.h): Now included.
4466 (emit_block_move): Set volatile_ok when checking for movstr.
4467 (emit_move_1): Check for replacements in addresses in multi-word case.
4468 * Makefile.in (expr.o): Now includes reload.h.
4470 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
4471 Never have a LIBCALL end a basic block.
4472 (find_basic_blocks_1): Likewise.
4473 Reorganize CALL_INSN cases.
4475 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
4477 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
4479 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
4480 completers from mov.ret instruction.
4482 2000-04-14 Richard Henderson <rth@cygnus.com>
4484 * fold-const.c (extract_muldiv): Don't distribute and widen
4485 multiply across plus for non-sizetype unsigned types.
4487 2000-04-14 Richard Henderson <rth@cygnus.com>
4489 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
4490 If the original source is dead in the incr insn, it's dead now.
4492 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4494 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
4495 see if DECL_BIT_FIELD needs to still be set.
4497 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
4499 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
4500 print_int_cst_octal with something that's not an INTEGER_CST.
4502 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
4503 and not a SUBREG to a FLOAT rtl.
4505 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
4507 * emit-rtl.c (try_split): Avoid infinite loop if the split
4508 results in a sequence that contains the original insn.
4510 2000-04-13 Andreas Jaeger <aj@suse.de>
4512 * config/mips/mips.c (expand_block_move): Pass alignment
4513 argument to move_by_pieces in bits, not bytes.
4515 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
4516 __pic__ for little endian.
4518 2000-04-13 Andreas Jaeger <aj@suse.de>
4520 * config/i386/i386-protos.h: Add prototype for
4521 uno_comparison_operator.
4523 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
4525 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
4526 * calls.c (ECF_PURE): New flag.
4527 (emit_call_1): Handle ECF_PURE calls.
4528 (initialize_argument_information): Unset ECF_PURE flag too.
4529 (precompute_arguments): Precompute for ECF_PURE too.
4530 (expand_call): Handle ECF_PURE calls too.
4531 (emit_library_call_value_1): Rename no_queue argument to fn_type,
4532 accept value of 2 as pure function.
4533 (emit_library_call_value, emit_library_call): Rename no_queue argument
4535 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
4537 * tree.h (DECL_IS_PURE): New macro.
4538 (struct tree_decl): Add pure_flag.
4539 * c-common.c (enum attrs): Add attribute "pure".
4540 (init_attributes): Initialize attribute "pure"
4541 (decl_attributes): Handle attribute "pure".
4542 * extend.texi (Attribute "pure"): Document.
4543 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
4545 (flags_from_decl_or_type): Support attribute "pure".
4547 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
4549 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
4550 the token except for numbers and identifiers.
4552 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
4554 * i386.c (ix86_expand_binary_operator,
4555 ix86_expand_unary_operator): Check no_new_pseudos
4556 instead of reload_in_progress and reload_completed.
4557 (ix86_split_ashldi, ix86_split_ashrdi,
4558 ix86_split_lshrdi): Check no_new_pseudos instead
4559 of reload_completed.
4561 2000-04-12 Jeffrey A Law (law@cygnus.com)
4563 * function.c (purge_addressof): Unshare any shared rtl created by
4564 purge_addressof and its children.
4566 2000-04-12 Mark Mitchell <mark@codesourcery.com>
4568 * function.c (aggregate_value_p): VOID_TYPE nodes are never
4571 2000-04-05 Andreas Jaeger <aj@suse.de>
4573 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
4574 not compiling PIC code, add flags for mabi=64.
4575 (SUBTARGET_CPP_SIZE_SPEC): New.
4576 (SUBTARGET_CPP_SPEC): New.
4577 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
4578 for MIPS/Linux and lots of code needs these defines.
4580 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
4582 * reorg.c (fill_slots_from_thread): Check side_effects_p when
4583 trying the "opposite arithmetic" approach.
4585 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4587 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
4588 (struct sh_args): Add new field force_mem.
4589 (INIT_CUMULATIVE_ARGS): Initialize it.
4590 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
4592 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
4594 * calls.c (expand_call): Do not reverse args in "equal from" field.
4595 (emit_library_call_value_1): Emit_libcall_block for const and pure
4598 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4600 * reload1.c (reload_combine): Don't enable optimization for fixed
4601 registers when encountering a BARRIER.
4603 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
4605 * builtins.c (expand_builtin_memcmp): Do expansion even with
4606 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
4608 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
4609 stack is propertly aligned; add sanity checking for aligned
4611 (expand_library_call_value_1): Add sanity checking for aligned
4614 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
4616 * calls.c (emit_library_call_value_1): Change 3rd arg to
4617 locate_and_pad_parm to disregard the setting of partial.
4619 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4621 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
4623 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
4624 CALL_INSN from the normal case.
4626 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
4628 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
4629 New global variables.
4630 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
4632 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
4634 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
4635 TARGET_ADD_ESP_8): New macros.
4636 * i386.md: Add peep2s to convert esp adjustments to push and pop
4638 (pushsi_prologue, popsi_epilogue): New patterns.
4640 2000-04-12 Jakub Jelinek <jakub@redhat.com>
4642 * real.c (toe64): Remove stale #endif from the last change.
4644 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
4646 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
4647 * real.c (toe64): Revert previous change.
4649 2000-04-12 Jakub Jelinek <jakub@redhat.com>
4651 * objc/objc-act.c: Include ggc.h.
4652 (objc_tree_index, objc_global_trees): Convert most of the
4653 static tree variables into a static array with previous names
4655 (objc_ellipsis_node): New variable.
4656 (lang_init): Call objc_act_parse_init and c_parse_init.
4657 Create objc_ellipsis_node.
4658 (build_selector_translation_table): Use objc_ellipsis_node instead
4660 (hack_method_prototype): Likewise.
4661 (get_arg_type_list): Likewise.
4662 (start_method_def): Likewise.
4663 (continue_method_def): Likewise.
4664 (gen_method_decl): Likewise.
4665 (ggc_mark_imp_list): New function.
4666 (ggc_mark_hash_table): New function.
4667 (objc_act_parse_init): New function.
4668 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
4669 * c-parse.in (c_parse_init): For objc add roots of objc specific
4670 local tree variables.
4671 * objc/objc-parse.y: Rebuilt.
4672 * objc/objc-parse.c: Rebuilt.
4673 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
4675 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
4677 * cse.c (delete_trivially_dead_insns): Also delete insns
4678 that copy a register to itself where the destination is
4681 2000-04-11 Richard Henderson <rth@cygnus.com>
4683 * flow.c (struct propagate_block_info): Add new_dead, new_live.
4684 (propagate_block): Initialize them. Use them in parallel instead
4685 of one tmp variable, ie revert much of the 0408 and 0407 functional
4686 changes, but keep the structural changes.
4687 (mark_set_regs): Take new_dead from propagate_block_info instead.
4688 (mark_set_1, mark_set_reg): Likewise.
4689 (mark_used_regs): Likewise with new_live.
4690 (mark_used_reg): Likewise. Revert 0408 change.
4692 2000-04-11 Nick Clifton <nickc@cygnus.com>
4694 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
4696 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
4698 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4700 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
4701 const section to output a CONSTRUCTOR based on the same conditions
4704 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
4706 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
4707 * pa/pa-protos.h (output_call): Add additional argument indicating
4708 if the call is a sibling/tail call.
4709 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
4710 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
4711 (function_arg, function_arg_partial_nregs): Likewise
4712 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
4713 (emit_move_sequence): Zero extend certain constants as needed
4715 (compute_zdepdi_operands, output_64bit_and): New functions.
4716 (output_64bit_ior, function_arg): Likewise.
4717 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
4718 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
4719 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
4720 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
4721 (output_bvb): Likewise.
4722 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
4723 (output_call): New argument 'sibcall'. Generate sibcall sequences
4725 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
4726 (ouput_arg_descriptor): Do not emit argument descriptors for
4728 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
4730 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
4731 (FUNCTION_OK_FOR_SIBALL): Define.
4732 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
4733 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
4734 (CPP_SPEC): Use new spec infrastructure.
4735 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
4736 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
4737 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
4738 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
4739 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
4740 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
4741 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
4742 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
4743 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
4744 (FUNCTION_ARG); Call out to C code.
4745 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
4746 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
4747 (MIN_UNITS_PER_WORD): Likewise.
4748 * pa/pa.md (cmpdi): New expander.
4749 (scc patterns, movstrsi): Not available for TARGET_64BIT.
4750 (64bit conditional arithmetic): New patterns.
4751 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
4752 (movsicc): Not available if modes on all the operands to not match.
4753 (movdicc): New expander and associated patterns.
4754 (64bit branches): New patterns.
4755 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
4756 (pre_ldd, post_std): New patterns.
4757 (64bit addil, load low part): New patterns.
4758 (special movsf constant): Not available for TARGET_64BIT.
4759 (movsf, movdf expanders): Force constants into memory.
4760 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
4761 (64bit movdf/movdi patterns): New patterns.
4762 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
4764 (extendqidi2, extendhidi2, extendsidi2): Similarly.
4765 (adddi3 expander): Allow "arith_operand" for second input.
4766 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
4767 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
4768 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
4769 (muldi3): New expander for TARGET_64BIT.
4770 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
4772 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
4773 patterns for TARGET_64BIT.
4774 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
4775 patterns for TARGET_64BIT.
4776 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
4777 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
4778 (sibcall_epilogue): New expander.
4779 (casesi): Tweak for TARGET_64BIT.
4780 (call expanders): Set & use the outgoing argument pointer. Use the
4781 64bit call patterns as needed. Add additional arg to output_call.
4782 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
4783 (sibcall, sibcall_internal_symref): New expanders.
4784 (sibcall_value, sibcall_value_internal_symref
4785 (interspace_jump): Turn into an expander + matching patterns.
4786 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
4787 * pa/pa64-regs.h: Eliminate trigraph sequences.
4788 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
4790 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
4792 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
4793 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
4794 cpp_token with cpp_ttype everywhere.
4795 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
4796 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
4797 CPP_BUF_COL. Line and column numbers are unsigned int, not
4799 * cpplex.c (cpp_buf_line_and_col): Delete.
4800 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
4801 'long lineno' to 'unsigned int lineno'.
4802 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
4804 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4806 * extend.texi: ISO C99 is not a draft anymore.
4807 * invoke.texi: ISO C++ is not a draft anymore.
4808 * cpp.texi: __cplusplus is required by the ISO standard.
4810 * extend.texi (-fthis-is-variable): Undocument.
4811 * flags.h (warn_template_debugging): Remove declaration.
4812 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
4813 -Wenum-clash, -Wtemplate-debugging): Undocument.
4815 2000-04-10 Nick Clifton <nickc@cygnus.com>
4817 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
4819 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
4821 (ARM_SIGN_EXTEND): Use HOST_UINT.
4822 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
4823 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
4824 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
4825 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
4827 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
4828 (arm_gen_constant): Use HOST_UINT.
4829 (arm_canonicalize_constant): Use HOST_UINT.
4830 (arm_reload_in_hi): Use HOST_UINT.
4831 (arm_reload_out_hi): Use HOST_UINT.
4832 (output_multi_immediate): Use HOST_UINT.
4833 (int_log2): Use HOST_UINT.
4834 (arm_poke_function_name): Use HOST_UINT.
4835 (arm_output_epilogue): Use arm_volatile_func().
4836 (output_thumb_prologue): Use arm_strip_name_encoding().
4838 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4840 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
4841 of sequence point problems.
4843 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
4845 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
4847 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
4849 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4851 * sbitmap.h: Whitespace changes and use upper-case macro args.
4852 (struct simple_bitmap_def): All sizes now unsigned.
4853 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
4854 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
4855 (sbitmap_vector_alloc): Parms and local vars now unsigned.
4856 (sbitmap_zero): Cast bzero arg to PTR.
4857 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
4858 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
4859 loop to make structure clearer.
4860 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
4861 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
4862 (sbitmap_a_and_b_or_c): Likewise.
4863 (sbitmap_intersection_of_succs): Minor cleanups.
4864 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
4865 (sbitmap_union_of_preds): Likewise.
4866 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
4867 (debug_sbitmap): New function.
4869 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
4870 * c-typeck.c (convert_for_assignment): Likewise.
4872 * expmed.c (init_expmed): Don't free objects we make.
4873 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
4875 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
4876 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
4878 * gcse.c (expr_hash_table_size): Now unsigned.
4879 (compute_ae_gen): Local variable `i' now unsigned.
4880 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
4881 (compute_transout, hoist_code): Likewise.
4882 (compute_local_properties): Likewise, also hash_table_size.
4883 (alloc_expr_hash_table): N_INSNS now unsigned.
4884 (delete_null_pointer_checks): Mark arg F as unused.
4886 * regrename.c: Minor cleanups, including chang some variables
4889 2000-04-10 Neil Booth <NeilB@earthling.net>
4891 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
4893 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
4895 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4897 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
4898 __classof__, and __headof__ from the list of gnu keywords.
4899 (-ansi): Remove -foperator-names from list of implied options.
4900 Do not call it ANSI C++.
4901 (-foperator-names): Document as -fno-operator-names.
4903 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
4905 * cpphash.c (timestamp): Delete.
4906 (del_HASHNODE): If type is T_MCONST, free value.cpval.
4907 (special_symbol): Remove unnecessary braces. Remove
4908 T_VERSION. Treat T_STDC like T_CONST unless
4909 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
4910 when one is encountered, then convert them into T_MCONST
4912 * cppinit.c (builtin_array): version_string is T_MCONST.
4913 __STDC__ has a "1" in its cpval. Don't have a terminator
4914 entry. Clean up which entries are dumped.
4915 (initialize_builtins): Only __STDC__ gets the special
4916 -traditional treatment. Count the length of builtin_array.
4917 Render version_string here.
4918 * cpphash.h: Remove T_VERSION. Add T_MCONST.
4919 * cpplib.h (struct cpp_reader): Remove timebuf.
4921 2000-04-09 Richard Henderson <rth@cygnus.com>
4923 * genrecog.c (pred): Update comparison_operator for the unordered
4926 * config/i386/i386.c (no_comparison_operator): Disallow unordered
4928 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
4929 (uno_comparison_operator): New.
4930 (put_condition_code): Handle UNORDERED/ORDERED.
4931 (unsigned_comparison): Likewise.
4932 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
4933 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
4934 (ix86_expand_fp_compare): Use them. Take scratch as argument,
4935 update all callers. Handle all 8 unordered operators.
4936 (ix86_expand_setcc): Lose the unordered argument, update all callers.
4937 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
4938 * config/i386/i386.h (PREDICATE_CODES): Update.
4939 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
4940 (ix86_expand_branch, ix86_expand_setcc): Update.
4941 * config/i386/i386.md (sunordered, sordered): New.
4942 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
4943 (bunordered, bordered): New.
4944 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
4945 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
4946 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
4948 2000-04-09 Philip Blundell <philb@gnu.org>
4950 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
4952 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
4954 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
4955 fix_truncxfhi2): New patterns.
4956 * i386.c (output_fix_trunc): Handle converting to HImode.
4958 2000-04-08 Alex Samuel <samuel@codesourcery.com>
4960 * ssa.c (convert_to_ssa): Eliminate dead code when calling
4962 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
4963 (for_each_successor_phi): Change parameter to basic_block.
4964 (coalesce_regs_in_successor_phi_nodes): Likewise.
4965 (coalesce_regs_in_copies): Likewise.
4966 (compute_coalesced_reg_partition): Use basic_block instead of index.
4967 * rtl.h (convert_to_ssa): Delete.
4968 (convert_from_ssa): Likewise.
4969 (successor_phi_fn): Likewise.
4970 (for_each_successor_phi): Likewise.
4971 (in_ssa_form): Likewise.
4972 * basic-block.h (convert_to_ssa): Moved from rtl.h.
4973 (convert_from_ssa): Likewise.
4974 (successor_phi_fn): Likewise.
4975 (in_ssa_form): Likewise.
4976 (for_each_successor_phi): Likewise. Change parameter to basic_block.
4977 * flow.c (calculate_global_regs_live): Pass a basic_block to
4978 for_each_successor_phi.
4980 2000-04-08 Richard Henderson <rth@cygnus.com>
4982 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
4983 was modified in the current insn.
4985 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
4987 * arm/thumb.md: Delete.
4988 * arm/thumb-protos.h: Delete.
4990 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
4992 Merge changes from merged-arm-thumb-backend-branch onto trunk.
4994 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
4996 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
4999 * arm.md (nop): Use the standard RTL expression. Don't code as a
5001 (*arm_nop, *thumb_nop): Delete.
5003 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
5004 constants. Use casts instead.
5005 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
5006 output_multi_immediate, arm_poke_function_name): Likewise.
5007 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
5008 MASK_RETURN_ADDDR): Likewise.
5010 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
5012 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
5015 * arm.md (eh_epilogue): New function.
5016 * arm.h (struct machine_function): Move to here ...
5017 * arm.c: ... from here.
5018 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
5019 (thumb_exit): Extra parameter eh_ofs. All callers changed.
5020 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
5022 2000-03-30 Nick Clifton <nickc@cygnus.com>
5024 * config/arm/semi.h (ASM_SPEC): Restore definition.
5025 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
5027 * config/arm/elf.h (ASM_SPEC): Restore definition.
5028 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
5030 * config/arm/arm.h (ASM_SPEC): Remove definition.
5031 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
5033 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
5035 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
5037 2000-03-24 Nick Clifton <nickc@cygnus.com>
5039 Various formating tidyups, elimination of compile time
5040 warnings and synchronisation with internal sources:
5042 * config/arm/arm-protos.h (assemble_align): Add prototype.
5043 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
5044 (gen_comapre_reg): Rename to arm_gen_compare_reg.
5045 (arm_return_addr_rtx): Rename to arm_return_addr.
5047 * config/arm/arm.c: Include except.h.
5048 Define shorter typenames for strict minipool_node and struct
5050 (arm_return_in_memory): For WinCE return all structures <= 32 bits
5052 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
5053 (gen_comapre_reg): Rename to arm_gen_compare_reg.
5055 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
5057 (ASM_SPEC): Define if not already defined.
5058 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
5060 * config/arm/arm.md: Rename references to gen_rotated_half_load to
5061 arm_gen_rotated_half_load, and references to gen_comapre_reg to
5062 arm_gen_compare_reg.
5063 (indirect_jump): Only accept register operands.
5064 (load_indirect_jump): Keep this pattern since combine can generate
5067 * config/arm/coff.h: Include aout.h.
5068 (MULTILIB_DEFAULTS): Only define if not already defined.
5070 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
5071 into arm.h (so that COFF ports can support thumb based aliases).
5072 (ASM_SPEC): Move definition into arm.h
5074 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
5075 redundant apcs spec.
5076 (ASM_SPEC): Move definition to arm.h
5078 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
5080 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
5081 for entries in the .bss section
5083 2000-03-23 Nick Clifton <nickc@cygnus.com>
5085 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
5086 to thumb_far_jump_used_p.
5088 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
5089 single integer parameter.
5091 * config/arm/arm.c (struct machine_function): Add two new
5092 fields, 'far_jump_used' and 'arg_pointer_live'.
5093 (thumb_far_jump_used_p): Once the decision has been made that
5094 far jumps might be used, always return true.
5095 If being called from the initial elimination offset macro then
5096 do not bother to perform the test if the arg pointer is not
5098 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
5099 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
5101 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
5103 * arm.c (output_return_instruction): Handle more cases where we can
5104 return from a function with an ldr instruction.
5105 (arm_output_epilogue): Likewise.
5107 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
5108 if we need to push a large stack frame and there are no callee-saved
5111 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
5112 in ARM code if the frame pointer has been eliminated.
5114 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
5115 unspec_volatile arguments to avoid duplicates.
5116 (consttable_1, consttable_2): Fixes for big-endian mode.
5118 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
5121 Re-write constant pool code.
5122 * arm.c (minipool_node, minipool_fix): New types.
5123 (minifix): Delete type.
5124 (arm_add_minipool_constant): Delete.
5125 (arm_compute_minipool_offsets, arm_find_barrier,
5126 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
5127 (get_jump_table_size): Now returns HOST_WIDE_INT.
5128 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
5130 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
5131 (assign_minipool_offsets, arm_print_value): Likewise.
5132 (dump_minipool): Rewrite.
5133 (arm_barrier_cost): New function.
5134 (create_fix_barrier): New function.
5135 (push_minipool_barrier): New function.
5136 (push_minipool_fix): Record additional information about the fixup
5138 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
5139 check the mode of what needs fixing.
5140 (arm_reorg): Rewrite.
5142 2000-03-08 Nick Clifton <nickc@cygnus.com>
5144 * config/arm/arm.md (indirect_jump): Force constant addresses into
5147 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
5149 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
5151 2000-02-24 Nick Clifton <nickc@cygnus.com>
5153 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
5154 adjust is word aligned.
5155 (thumb_expand_epilogue): Make sure that stack adjust is word
5158 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
5160 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
5162 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
5163 pointer relative addresses.
5165 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
5167 * arm.c (find_barrier): Find the last barrier within the allowed
5170 2000-02-09 Nick Clifton <nickc@cygnus.com>
5172 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
5174 2000-02-09 Nick Clifton <nickc@cygnus.com>
5176 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
5177 ARM_FUNCTION_PROFILER.
5179 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
5180 ARM_FUNCTION_PROFILER.
5182 * config/arm/linux-oldld.h: Imported from mainline sources.
5184 2000-02-07 Nick Clifton <nickc@cygnus.com>
5186 * config/arm/lib1funcs.asm: Merge in thumb functions from
5189 * config/arm/lib1thumb.asm: Delete.
5191 2000-02-04 Nick Clifton <nickc@cygnus.com>
5193 * config/arm/arm.c: Sychronised with current Red hat local
5195 * config/arm/arm.h: Ditto.
5196 * config/arm/arm-protos.h: Ditto.
5198 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
5200 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
5202 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
5205 2000-02-02 Nick Clifton <nickc@cygnus.com>
5207 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
5209 * config/arm/arm.md (epilogue): Fix rtl checking abort because
5210 (return) was emited using an emit_insn() call.
5212 2000-01-31 Nick Clifton <nickc@cygnus.com>
5214 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
5216 (thumb_exit): Move frame pointer back into hard frame pointer
5217 register if backtracing is being used.
5219 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
5221 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
5224 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
5226 * config/arm/arm.md (neg_pool_offset): Provide default for new
5228 (arm_movsi_insn): Add neg_pool_offset attribute.
5229 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
5230 rtx for the insn that starts the scan and an unsigned long for its
5231 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
5232 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
5233 instructions in *PINSERTED.
5234 (struct minipool_fixup): Add MIN_ADDRESS elt.
5235 (sort_fixups): Compute it.
5236 (arm_reorg): Changes to support inserting pools before the insn to be
5239 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
5241 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
5242 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
5243 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
5245 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
5247 * config/arm/semi.h (TARGET_VERSION): Do not define if already
5249 (TARGET_DEFAULT): Do not define if already defined.
5251 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
5253 * config/arm/arm.md (anddi3): Allow disjoint source operands.
5254 (iordi3): Allow disjoint source operands.
5255 (xordi3): Allow disjoint source operands.
5256 (negdi2): Permit construction for ARM and Thumb.
5257 (arm_negdi2): Renamed version of old negdi2 pattern.
5258 (thumb_negdi2): New pattern: Only permit non-overlapping
5259 source and destination.
5261 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
5263 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
5264 scratch low register so that it will not be deleted.
5266 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
5268 * config/arm/pe.h (ARM_PE): Define.
5270 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
5271 interfacearm attribute if this is a PE toolchain.
5272 (output_return_instruction): Do not emit anything if the function
5273 has the naked attribute set.
5274 (is_called_in_ARM_mode): If the function has the interfacearm
5275 attribute then return true.
5276 (thumb_expand_prologue): Do not generate a prologue for naked
5278 (thumb_expand_epilogue): Do not generate an epilogie for a naked
5280 (output_thumb_prologue): Do not bother if the function is naked.
5281 Strip PE encoding from function name before emitting.
5283 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
5285 * arm.md (pic_load_addr): Fix constraints.
5287 * arm.md (casesi_insn): Fix mis-applied patch.
5289 * arm.md ("core" function unit): Add rules for single- and
5291 (All TARGET_THUMB patterns): Add "type" attribute information
5293 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
5294 the following insn is a CALL.
5296 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
5298 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
5299 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
5300 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
5302 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
5304 * config/arm/linux-gas.h: oops - this file was missed out when the
5305 branch was created...
5307 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
5309 * thumb.c: Deleted. Move contents to ...
5311 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
5313 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
5316 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
5317 declare a prototype for asm_output_align();
5319 * arm.c (thumb_condition_code): Delete.
5320 (arm_print_operand): Always use arm_condition_code array.
5322 * arm.c (thumb_return_addr_rtx): Delete.
5323 (arm_save_machine_status, arm_restore_machine_status): Delete.
5324 (arm_init_machine_status, arm_mark_machine_status): New functions.
5325 (arm_init_expanders): Update accordingly.
5326 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
5327 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
5328 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
5330 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
5332 * configure.in : Fix arm-*-aout target to use new t-arm-aout
5334 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
5337 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
5339 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
5340 stack backtrace structure.
5342 * config/arm/arm-protos.h: Add prototypes for functions defined in
5345 * config/arm/arm.c (arm_override_options): Fix selection of
5346 attributes of default processor.
5348 * config/arm/coff.h: Delete needless #include.
5350 * config/arm/pe.c: Delete unused code.
5352 * config/arm/pe.h (CPP_DEFINES): Delete
5353 (SUBTARGET_CPP_SPEC): Define.
5354 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
5356 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
5358 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
5360 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
5362 (CAN_DEBUG_WITHOUT_FP): Define.
5363 (FIXED_REGISTERS): Make r11 call-saved.
5364 (CALL_USED_REGISTERS): Likewise.
5365 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
5366 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
5367 frame-pointer is required.
5368 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
5369 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
5370 if the target normally needs a stack frame in non-leaf functions.
5371 (use_return_insn): Correct logic for determining when a return
5372 instruction can be used.
5373 (output_return_instruction): Handle the frame-pointer register as
5374 a normal register when not TARGET_APCS_FRAME.
5375 (arm_output_prologue): Likewise.
5376 (arm_output_epilogue): Likewise.
5377 (output_func_epilogue): Likewise.
5378 (arm_expand_prologue): Likewise.
5379 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
5381 * arm.c (use_return_insn): No need to check floating point regs if
5383 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
5384 the code of value stored in the minipool array.
5385 (arm_add_minipool_constant): Likewise.
5387 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5389 * basic-block.h (conflict_graph_enum_fn): K&R fix.
5391 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5393 * tree.c (tree_expr_nonnegative_p): New function.
5395 * tree.h (tree_expr_nonnegative_p): Declare.
5397 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
5398 elide some sign_compare warnings.
5399 (build_conditional_expr): Likewise.
5401 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
5403 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
5405 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
5406 * i386.c (print_operand): Use the proper suffix for a 387 HImode
5407 operand. Abort if a 387 operand has an unsupported size.
5409 2000-04-08 Neil Booth <NeilB@earthling.net>
5411 * cppexp.c (parse_charconst): Null does not end character
5413 * cppinit.c (ISTABLE): Null character handled as whitespace.
5414 * cpplex.c (null_warning): new function.
5415 (skip_string): Emit warning if nulls encountered.
5416 (_cpp_skip_hspace): Emit warning if nulls encountered.
5417 (_cpp_lex_token): Emit warning if nulls encountered. Drop
5421 2000-04-07 Richard Henderson <rth@cygnus.com>
5423 * flow.c (loop_depth): Remove.
5424 (reg_next_use, cc0_live, mem_set_list): Replace with ...
5425 (struct propagate_block_info): New.
5426 (life_analysis): Don't allocate reg_next_use.
5427 (propagate_block_delete_insn): Break out of propagate_block.
5428 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
5429 (propagate_block_delete_libcall): Likewise.
5430 (propagate_block): Create a propagate_block_info struct to pass
5431 to subroutines. Allocate one not two temporary regsets. Don't
5432 clobber memory for const calls. Look for clobbers in
5433 CALL_INSN_FUNCTION_USAGE.
5434 (mark_set_regs): Recognize COND_EXEC.
5435 (mark_set_reg): Break out of mark_set_1.
5436 (mark_used_reg): Break out of mark_used_regs.
5437 (mark_used_regs): Recognize COND_EXEC.
5438 (insn_dead_p): Use propagate_block_info struct.
5439 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
5440 (find_auto_inc, try_pre_increment_1): Likewise.
5441 (print_rtl_with_bb): Dump regs live at end too.
5442 (count_reg_sets_1): Pass in loop_depth.
5443 (count_reg_sets, count_reg_references): Likewise.
5444 (recompute_reg_usage): Provide it.
5446 2000-04-07 Richard Henderson <rth@cygnus.com>
5448 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
5451 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
5453 * cpplib.c (do_elif): Skip the rest of the line if we're
5454 not going to bother evaluating it.
5455 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
5456 to avoid pointless calls to the lexer.
5458 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
5460 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
5462 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
5464 * calls.c (expand_call): emit_queue if we're trying a sibcall.
5466 2000-04-07 Jakub Jelinek <jakub@redhat.com>
5468 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
5470 2000-04-06 Geoff Keating <geoffk@cygnus.com>
5472 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
5473 crtend so they can be multilibbed.
5474 (STAGESTUFF): Remove s-crt and s-crtS.
5476 2000-04-07 Richard Henderson <rth@cygnus.com>
5478 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
5479 if we discover we need a pseudo and no_new_pseudos is true.
5480 * config/alpha/alpha.md (ne:DI insn): New.
5481 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
5483 2000-04-07 Richard Henderson <rth@cygnus.com>
5485 * rtl.def (COND_EXEC): New.
5486 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
5487 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
5489 * genconfig.c (have_cond_arith_flag): Remove.
5490 (have_cond_exec_flag): New.
5491 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
5492 (main): Print HAVE_conditional_execution.
5494 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
5495 (sched_analyze_insn, print_pattern): Likewise.
5496 * reload.c (find_equiv_reg): Likewise.
5497 * rtlanal.c (reg_referenced_p): Likewise.
5498 (note_stores, dead_or_set_regno_p): Likewise.
5499 (reg_overlap_mentioned_p): Rewrite to use a switch.
5501 * ggc.h (struct rtx_def): Forward declare.
5503 * print-rtl.c (debug_rtx_range): New.
5504 * rtl.h (debug_rtx_range): Declare.
5506 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
5508 * gcse.c (gcse_main): Don't rebuild the CFG here.
5509 (delete_null_pointer_checks): Likewise.
5510 * ssa.c (convert_to_ssa): Likewise.
5511 * toplev.c (rest_of_compilation): Do it here instead. Combine
5512 sequential calls to TIMEVAR. Consistently use `insns' instead of
5513 `get_insns()'. Always split insns after reload when optimizing.
5515 * basic-block.h (merge_blocks_nomove): Declare.
5516 (tidy_fallthru_edge): Declare.
5517 * flow.c (merge_blocks_nomove): Document as merging into previous
5518 blocks. Remove cruft from between blocks; remove all edges out of A.
5519 (tidy_fallthru_edge): Export.
5521 2000-04-06 Alex Samuel <samuel@codesourcery.com>
5523 * ssa.c (compute_conservative_reg_partition): Declare with
5525 * toplev.c (clean_dump_file): Remove previously-deleted function
5526 inadvertantly merged back in.
5527 * conflict.c (conflict_graph_add): Use a single call to
5528 htab_find_slot to look up and insert.
5530 2000-04-06 Richard Henderson <rth@cygnus.com>
5532 * genrecog.c (*): Rename _last_insn to last_insn.
5533 (make_insn_sequence): Set the position of the peephole2 C test
5534 to be at the last insn.
5536 2000-04-06 Richard Henderson <rth@cygnus.com>
5538 * flow.c (compute_flow_dominators): Free worklist.
5540 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
5542 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
5544 2000-04-06 Alex Samuel <samuel@codesourcery.com>
5546 * rtl.h (INSN_P): New macro.
5547 (successor_phi_fn): New typedef.
5548 (for_each_successor_phi): New prototype.
5549 (in_ssa_form): New variable.
5550 (PHI_NODE_P): Likewise.
5551 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
5552 phi nodes in successors.
5553 (mark_used_regs): Add PHI case.
5554 (set_phi_alternative_reg): New function.
5555 (life_analysis): Assert that dead code elimination is not selected
5557 * toplev.c (to_ssa_time): New variable.
5558 (from_ssa_time): Likewise.
5559 (compile_file): Zero to_ssa_time and from_ssa_time.
5560 Print time to convert to and from SSA.
5561 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
5562 (print_time): Compute percent fraction as integer.
5563 * ssa.c (PHI_NODE_P): Moved to rtl.h.
5564 (convert_to_ssa): Check if we're already in SSA.
5565 Don't eliminate dead code in life_analysis.
5566 Rerun flow and life analysis at bottom.
5567 (eliminate_phi): Use canonical regnos when adding nodes.
5568 (mark_reg_in_phi): New function.
5569 (mark_phi_and_copy_regs): Likewise.
5570 (convert_from_ssa): Rerun life analysis at top.
5571 Use coalesced partition.
5572 Check for removing a phi node at the end of the block.
5573 (compute_coalesced_reg_partition): New function.
5574 (coalesce_regs_in_copies): Likewise.
5575 (coalesce_reg_in_phi): Likewise.
5576 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
5577 (for_each_successor_phi): Likewise.
5578 (rename_context): New struct.
5579 (rename_block): Use a rename_context with rename_insn_1. When
5580 renaming sets of a subreg, emit a copy of the entire reg first.
5581 (rename_insn_1): Treat data as a rename_context *. Save current
5583 (rename_set_data): Add field set_insn.
5584 * Makefile.in (HASHTAB_H): Move up in file.
5585 (OBSTACK_H): New macro.
5586 (collect2.o): Use OBSTACK_H in dependencies.
5587 (sdbout.o): Likewise.
5588 (emit-rtl.o): Likewise.
5589 (simplify-rtx.o): Likewise.
5590 (fix-header.o): Likewise.
5591 (OBJS): Add conflict.o.
5592 (conflict.o): New rule.
5593 * basic-block.h: Include partition.h.
5594 (conflict_graph): New typedef.
5595 (conflict_graph_enum_fn): Likewise.
5596 (conflict_graph_new): New prototype.
5597 (conflict_graph_delete): Likewise.
5598 (conflict_graph_add): Likewise.
5599 (conflict_graph_conflict_p): Likewise.
5600 (conflict_graph_enum): Likewise.
5601 (conflict_graph_merge_regs): Likewise.
5602 (conflict_graph_print): Likewise.
5603 (conflict_graph_compute): Likewise.
5604 * conflict.c: New file.
5606 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
5608 * tlink.c (read_repo_files): Don't look for .rpo info for
5611 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5613 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
5615 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5617 * config/sh/lib1funcs.asm (___udivsi3_i4):
5618 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
5619 only depends on FMOVD_WORKS.
5621 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5623 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
5624 make double constant 8-byte aligned.
5626 2000-04-06 Jakub Jelinek <jakub@redhat.com>
5628 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
5629 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
5630 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
5631 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
5632 Accept storing GENERAL_REGS into offsetable memory.
5633 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
5634 building a TFmode constant other than 0.0L into GENERAL_REGS.
5636 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
5638 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
5640 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
5642 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
5643 (macro_cleanup): No need to cast pbuf->macro.
5644 (collect_expansion): Use _cpp_get_define_token. Goto done if
5645 it returns VSPACE. Remove check for trailing space after
5647 (_cpp_create_definition): Don't diddle flags here. Return
5649 (unsafe_chars): Handle c1 being EOF.
5650 (push_macro_expansion): Use unsafe_chars for both accidental-paste
5651 checks. Don't push the buffer till after we're done with
5653 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
5654 (PEEKN, FORWARD, GETC, PEEKC): Use them.
5655 (cpp_push_buffer): Don't set new->alimit. Set new->mark
5657 (_cpp_parse_assertion): Don't NUL terminate.
5658 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
5659 hspace before calling _cpp_parse_assertion. Remove all sets
5660 of only_seen_white. Treat '\f' as hspace. Don't do anything
5661 special with '\n' here.
5662 (maybe_macroexpand): Handle T_EMPTY hash entries without
5663 pushing a buffer at all.
5664 (cpp_get_token): Handle clearing only_seen_white here. Handle
5665 incrementing the line number here. Clear
5666 potential_control_macro as well as only_seen_white, if
5668 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
5669 (_cpp_get_define_token): New function, basically like
5670 _cpp_get_directive_token was but doesn't eat horizontal space.
5671 Don't do anything with only_seen_white here.
5672 (_cpp_get_directive_token): Just call _cpp_get_define_token
5673 repeatedly till it returns non-hspace.
5675 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
5676 (conditional_skip, skip_if_group): Return int.
5677 (DIRECTIVE_TABLE): Change origin of all conditional directives
5679 (TRAD_DIRECT_P): New macro.
5680 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
5681 an error for a bogus directive, unless -lang-asm. Use
5682 TRAD_DIRECT_P. Loop calling handler functions till one returns
5684 (get_macro_name): Don't diddle flags here.
5685 (do_define): Diddle flags here. Use _cpp_get_directive_token.
5686 Create T_EMPTY nodes for #define macro /* nothing */.
5687 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
5688 Use hp->name when calling pass_thru_directive.
5689 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
5690 Return the result of conditional_skip and/or skip_if_group.
5691 Don't call _cpp_output_line_command.
5692 (consider_directive_while_skipping): Use _cpp_get_directive_token.
5693 Issue -Wtraditional warnings as appropriate. Don't complain
5694 about unrecognized directives. If we are to stop skipping,
5695 return the number of the directive that ended the skip.
5696 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
5697 expansion and line commands while skipping. Return the result
5698 of consider_directive_while_skipping, if nonzero.
5699 (do_endif): Just set potential_control_macro here.
5700 (validate_else): Use _cpp_get_directive_token.
5701 (do_assert, do_unassert): Don't save pointers into the
5702 token_buffer across calls to the lexer. Use
5703 _cpp_get_directive_token.
5705 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
5706 pointer, not an offset. Replace 'data', which was a generic
5707 pointer, with 'macro', which points to a struct hashnode.
5708 (cpp_reader): Add 'potential_control_macro' pointer.
5709 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
5710 (CPP_BUF_GET, CPP_FORWARD): Delete.
5711 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
5712 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
5713 ACTIVE_MARK_P): Update.
5714 (_cpp_get_define_token): New internal function.
5715 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
5717 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
5719 * configure.in: And here.
5720 * configure: Regenerate.
5721 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
5722 --enable-libstdcxx-v3 is passed at configure time.
5723 * config.h.in: Regenerate.
5725 2000-04-05 Mark Mitchell <mark@codesourcery.com>
5727 * final.c (final): Use xcalloc to allocate line_note_exists.
5728 * function.c (free_after_compilation): Free the temp_slots.
5729 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
5730 (combine_temp_slot): Free temp_slots when they get combined.
5731 (purge_addressof): Fix typo in comment.
5732 * stmt.c (mark_goto_fixup): Mark the fixup itself.
5733 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
5735 * ggc.h: Include varray.h.
5736 (ggc_pending_trees): Declare.
5737 (ggc_mark_tree_children): Remove declaration.
5738 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
5739 * ggc-common.c (ggc_pending_trees): New variable.
5740 (ggc_mark_roots): Call ggc_mark_trees.
5741 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
5742 the ggc_pending_trees.
5743 * Makefile.in (GGC_H): New variable. Use it throughout in place
5746 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5748 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
5751 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5753 * sh.c (sh_insn_length_adjustment): New function.
5754 * sh-protos.h (sh_insn_length_adjustment): Declare.
5755 * sh.h (ADJUST_INSN_LENGTH): Use it.
5757 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
5759 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
5760 from the insn where REG_RETVAL is added.
5761 (emit_no_conflict_block): Ditto.
5763 * md.texi (Standard Names): Clarify when movX is needed.
5765 * combine.c (simplify_comparison) [MINUS]: Do not replace
5766 all (op (minus A B) 0) with (op A B).
5768 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
5769 J"orn Rennecke <amylaar@cygnus.co.uk>
5771 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
5772 (block_lump_real): Likewise.
5774 2000-04-05 Chris Demetriou <cgd@netbsd.org>
5776 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
5777 remaining non-zero debugging masks.
5779 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
5781 * basic-block.h (verify_flow_info): Declare.
5782 (flow_loop_outside_edge_p): Declare.
5783 * flow.c (verify_flow_info): Remove declaration.
5784 (clear_log_links, flow_loop_outside_edge_p): Likewise.
5786 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
5788 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
5791 2000-04-05 Jakub Jelinek <jakub@redhat.com>
5793 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
5794 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
5795 seqdi_zero_trunc+1): Allow splits only if registers are
5798 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
5800 * acconfig.h: Add HAVE_GAS_HIDDEN.
5801 * config.in: Regenerated.
5802 * configure.in: Add test for .hidden pseudo-op in gas.
5803 * configure: Regenerated.
5804 * crtstuff.c: Include auto-host.h.
5805 Emit additional .hidden pseudo-op for __dso_handle if the
5806 assembler knows about it.
5808 2000-04-04 Philippe De Muyter <phdm@macqel.be>
5810 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
5811 before freeing argnames.
5812 * cpplib.c (do_ifndef): Cast return value of xstrdup.
5814 2000-04-05 Michael Meissner <meissner@redhat.com>
5816 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
5817 Walton <jonboy@gordian.com> to make memory references with update
5818 work wtih -mregnames.
5820 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5822 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
5823 (regrename_optimize): Rename variables `def_uses' and
5824 `ext_basic_blocks' to avoid conflicts with similarly named
5825 typedefs in traditional C.
5827 * calls.c (initialize_argument_information): Fix typo in previous
5830 2000-04-04 Richard Henderson <rth@cygnus.com>
5832 * regrename.c (consider_available): Test fixed_regs not
5833 PIC_OFFSET_TABLE_REGNUM.
5835 2000-04-04 Geoff Keating <geoffk@cygnus.com>
5837 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
5839 (CRTSTUFF_T_CFLAGS_S): Delete definition.
5840 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
5841 (ENDFILE_LINUX_SPEC): Always use crtend.
5842 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
5843 (powerpc-*-linux-gnu): Likewise.
5844 * configure: Regenerate.
5846 * config/rs6000/eabi.h: Don't include sysv4.h.
5847 (MULTILIB_DEFAULTS): Don't define.
5848 * config/rs6000/eabiaix.h: Don't include eabi.h.
5849 * config/rs6000/eabile.h: Delete.
5850 * config/rs6000/eabilesim.h: Delete.
5851 * config/rs6000/eabisim.h: Don't include eabi.h.
5852 * config/rs6000/linux.h: Don't include sysv4.h.
5853 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
5854 (MULTILIB_DEFAULTS): Don't redefine.
5855 * config/rs6000/rtems.h: Don't include eabi.h.
5856 * config/rs6000/sol2.h: Don't include sysv4le.h.
5857 * config/rs6000/sysv4le.h: Don't include sysv4.h.
5858 * config/rs6000/t-ppc: Delete.
5859 * config/rs6000/t-ppcgas: Correct comment.
5860 * config/rs6000/t-ppcos: Correct comment. Don't build
5861 multilibs for -fPIC, rather use -fPIC -mstrict-align
5863 * config/rs6000/t-ppc: Delete.
5864 * config/rs6000/vxppc.h: Don't include sysv4.h.
5865 * config/rs6000/vxppcle.h: Delete.
5866 * configure.in: Use multiple header files for p2pc ELF targets
5867 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
5868 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
5869 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
5870 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
5871 always available for these platforms.
5873 2000-04-04 Richard Henderson <rth@cygnus.com>
5875 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
5877 2000-04-04 Stan Cox <scox@cygnus.com>
5879 * Makefile.in: Add rules for regrename.o
5880 * regrename.c: New file.
5881 * rtl.h (regrename_optimize): Add prototype.
5882 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
5883 (compile_file, decode_d_option): Add support for -frename-registers.
5884 (rest_of_compilation): Call regrename_optimize.
5885 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
5888 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5890 * Makefile (gccbug): New target.
5891 (doc): Depend on it.
5892 * gcc.texi (Bugs): Link subnodes.
5894 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
5895 Document severities, priorities, and classes in bug form.
5897 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
5899 * cpplex.c (trigraph_map, speccase): Combine into single
5901 (NORMAL, NONTRI): New macros.
5902 (_cpp_read_and_prescan): Change to use unified table. Use
5903 is_hspace to test for whitespace.
5905 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
5906 definition that doesn't provoke the "empty body in an
5907 if-statement" warning.
5909 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
5911 * builtins.c (expand_builtin_strlen): Force the source to
5912 be a memory address.
5914 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5916 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
5918 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
5920 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
5921 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
5922 (ECF_IS_CONST): Rename to ECF_CONST.
5923 (special_function_p): Make static, change interface.
5924 (flags_from_decl_or_type, try_to_integrate): Break out from ...
5925 (expand_call) ... here; convert number of variables to flags.
5926 (emit_library_call_vlue_1): Likewise.
5927 (setjmp_call_p): New function.
5928 (initialize_argument_information): Accepts flags as argument;
5930 (precompute_arguments): Likewise.
5931 * tree.h (special_function_p): Remove.
5932 (setjmp_call_p): Add prototype.
5934 2000-04-04 Jakub Jelinek <jakub@redhat.com>
5936 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
5937 so that addresses are offsetable by up to 16 bytes.
5938 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
5939 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
5942 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
5943 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
5944 (movsf): Don't force any constant to memory if target is integer
5946 Move fp_zero_operand check below the const0_rtx check.
5947 (movtf): Likewise. Also allow fp_zero_operand for stores into
5949 (movdf): Likewise. Also allow fp_zero_operand for stores into
5950 memory and into integer hard registers.
5951 (clear_df, clear_dfp, movdf_const_intreg_sp32,
5952 movdf_const_intreg_sp64): Remove.
5953 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
5955 (movdf_no_e_insn_v9_sp32): New pattern.
5956 (movdf_insn_v9only): Remove.
5957 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
5958 (movdf_insn_sp64): Remove.
5959 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
5960 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
5961 (following splits): Rewrite conditions. Add two new splits
5962 for storing 0.0 into memory and registers.
5963 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
5964 (movtf_insn_sp32): Redo constraints and conditions.
5965 (movtf_insn_vis_sp32): New pattern.
5966 (movtf_no_e_insn_sp32): Redo constraints and conditions.
5967 (movtf_insn_hq_sp64): Likewise.
5968 (movtf_insn_hq_vis_sp64): New pattern.
5969 (movtf_insn_sp64): Redo constraints and conditions.
5970 (movtf_insn_vis_sp64): New pattern.
5971 (movtf_no_e_insn_sp64): Redo constraints and conditions.
5972 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
5974 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
5975 -mvis or -m64 to take down the number of various reload patterns.
5977 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
5979 * pa/pa-64.h: New file.
5980 * pa/pa64-regs.h: New file.
5981 * pa/pa64-start.h: New file.
5982 * pa/t-pa64: New file.
5983 * pa/xm-pa64hpux.h: New file.
5985 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5987 * sparc.c (output_restore_regs): Prototype.
5988 (sparc_emit_float_lib_cmp): Constification.
5990 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
5992 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
5995 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
5996 (get_value_hash, hash_rtx): Likewise.
5998 * ssa.c (compute_conservative_reg_partition): Prototype.
6000 * tree.c (mark_hash_entry): Prototype.
6002 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
6004 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
6005 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
6006 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
6008 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
6009 * objc/lang-specs.h: Likewise.
6011 2000-04-03 Neil Booth <NeilB@earthling.net>
6013 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
6014 and SYNTAX_ERROR2. Replace `' in messages with ''.
6015 (op_to_str): Make re-entrant.
6016 (_cpp_parse_expr): Implement new error macros. Use | rather
6017 than || to logically or 2 boolean integers. Simply expression
6018 checking we have a left operand iff needed.
6020 2000-04-03 Nick Clifton <nickc@cygnus.com>
6022 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
6024 2000-04-03 Philip Blundell <philb@gnu.org>
6026 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
6028 2000-04-03 Felix Lee <flee@cygnus.com>
6030 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
6031 (run_shell): Use it.
6033 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
6035 * Makefile.in (stmp-int-hdrs): Make include subdir here...
6036 (stmp-fixproto): ...rather than here.
6038 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
6040 * pa.c (print_operand): Compute 'base' only inside the code paths
6043 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
6045 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
6048 2000-04-03 Philipp Thomas <pthomas@suse.de>
6050 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
6052 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
6054 * Makefile.in (alias.o): Depend on $(TREE_H).
6056 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
6058 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
6060 * cpplib.c (_cpp_handle_directive): Improve warnings for
6061 traditional C and indented directives.
6063 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
6064 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
6065 fixinc/inclhack.def: Indent the # of #include_next one space.
6066 * cp/rtti.c: Un-indent #if and #endif.
6068 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
6069 syntax error, but an error has already been printed.
6070 * cpplex.c (_cpp_parse_assertion): Give a more specific error
6071 message when called with nothing remaining on the line.
6072 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
6073 OTHER token, not an ASSERTION.
6074 * cpplib.c (do_assert): When we create a 'base' node, clear
6075 its aschain pointer.
6077 2000-04-02 Neil Booth <NeilB@earthling.net>
6079 * cppexp.c: New typedef op_t. struct operation and struct
6080 token updated to use it.
6081 (op_to_str): New function.
6082 (_cpp_parse_expr): Error messages modified to use op_to_str.
6084 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6086 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
6087 before checking MUST_PASS_IN_STACK.
6089 2000-04-02 Neil Booth <NeilB@earthling.net>
6091 * cppexp.c: New FINISHED dummy token. Combine operator initial
6092 flags and initial priority into a single constant. New
6093 EQUALITY macro. New operator flag SHORT_CIRCUIT.
6094 (_parse_cpp_expr): Implement new constants. Take left operand
6095 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
6096 parse indicated by reducing FINISHED token. Remove new lines
6097 from cpp_error messages.
6099 2000-04-01 Mark Mitchell <mark@codesourcery.com>
6101 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
6104 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
6106 * cpplib.c: Include symcat.h. Add 'origin' field to struct
6107 directive. Add origin values to DIRECTIVE_TABLE. Generate
6108 the strings and function names on the fly. Take the #sccs
6109 entry out of the table if SCCS_DIRECTIVE is not defined.
6110 (_cpp_handle_directive): Decide if the # was at the beginning
6111 of the line here. Issue -pedantic warnings for extended
6112 directives here. Warn about K+R directives with the #
6113 indented, and C89/extended directives with the # not indented,
6115 (do_import, do_include_next, do_warning, do_ident, do_sccs,
6116 do_assert, do_unassert): Don't issue pedantic warning here.
6118 * cpphash.h: Add CPP_WTRADITIONAL macro.
6119 * cpplib.h (struct cpp_options): Rename warn_stringify to
6120 warn_traditional; update comments.
6121 * cppinit.c (handle_option): Set warn_traditional not
6123 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
6124 CPP_WTRADITIONAL (pfile).
6125 * cpplex.c (_cpp_lex_token): Don't decide if directives should
6126 be ignored in -traditional mode here.
6128 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
6129 to initialize speccase[] and trigraph_map[]. Delete all
6130 references to pfile->input_speccase. Always treat '?' as a
6131 special character. Remove table-initialization code from
6132 _cpp_init_input_buffer.
6134 * cpplib.h (struct cpp_reader): Remove input_speccase field.
6135 * cppinit.c (cpp_cleanup): Don't free input_speccase.
6137 2000-04-01 Richard Henderson <rth@cygnus.com>
6139 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
6140 (mostlyclean): Likewise.
6142 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
6143 (struct dump_file_info, enum dump_file_index, dump_file): New.
6144 (open_dump_file): Take a dump_file_index not a suffix, and a decl
6145 not a string. Clean out file if we havn't yet done so. Do nothing
6146 if the dump isn't enabled.
6147 (close_dump_file): Do nothing if the dump isn't open. Dump
6148 graph data if requested.
6149 (dump_rtl, clean_dump_file): Remove.
6150 (compile_file): Don't clean the dump files. Only finalize .bp dump
6151 if flag_test_coverage or flag_branch_probabilities. Only finalize
6152 .combine dump if optimizing. Iterate over dump_file to finalize the
6154 (rest_of_compilation): Update for open_dump_file/close_dump_file.
6155 Convert all uses of dump_rtl.
6156 (decode_d_option): Iterate over dump_file to implement 'a' and to
6157 locate pass-specific dumps.
6159 2000-04-01 Neil Booth <NeilB@earthling.net>
6161 * cppexp.c: Redefine priority constants.
6162 (_cpp_parse_expr): Replace left and right priority scheme with
6163 single priority logic. Move LOGICAL to same place as COMPARE.
6164 Remove bogus check for multiple unary +/- operators.
6166 2000-04-01 Neil Booth <NeilB@earthling.net>
6168 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
6169 within the switch statement. Binary operations break out of
6170 the switch naturally. '(' tokens handled by forcing
6171 immediate shift. ')' handled by forcing immediate reduce to
6172 the previous '('. New error messages.
6174 2000-03-31 Geoff Keating <geoffk@cygnus.com>
6176 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
6177 part', it's already in use. Use %K instead. Add a return at the
6178 end of what is now %K.
6179 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
6181 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
6183 * builtins.c (expand_builtin_apply): Pass proper parameters to
6184 allocate_dynamic_stack_space.
6185 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
6186 update stack_pointer_delta; do not update arg_size_so_far.
6187 (compute_argument_block_size): Use stack_delta instead of
6188 stack_pointer_pending and arg_size_so_far.
6189 (expand_call): Add sanity checking for stack_pointer_delta;
6190 save and restore stack_pointer_delta for SIB, use
6191 stack_pointer_delta for alignment; do not update arg_space_so_far.
6192 (emit_library_call_value): Use stack_pointer_delta for alignment.
6193 (store_one_arg): Do not update arg_space_so_far.
6194 * explow.c (adjust_stack, anti_adjust_stack): Update
6195 stack_pointer_delta.
6196 (allocate_dynamic_stack_space): Add sanity checking for
6197 stack_pointer_delta.
6198 * expr.c (init_expr, clear_pending_stack_adjust): Clear
6199 stack_pointer_delta.
6200 (emit_push_insn): Update stack_pointer_delta.
6201 * function.h (struct expr_status): Add x_stack_pointer_delta;
6202 remove x_arg_space_so_far.
6203 (arg_space_so_far): Remove.
6204 (stack_pointer_delta): New macro.
6206 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
6208 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
6209 Reorder struct cpp_options and struct cpp_reader for better
6210 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
6211 takes two args. Change all 'char' flags to 'unsigned char'.
6212 Move show_column flag into struct cpp_options. Don't
6213 prototype cpp_options_init.
6214 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
6215 cppinit.c, cpplex.c, cpplib.c:
6216 Replace CPP_OPTIONS (pfile)->whatever with
6217 CPP_OPTION (pfile, whatever), and likewise for
6218 opts = CPP_OPTIONS (pfile); ... opts->whatever;
6220 * cppinit.c (merge_include_chains): Take a cpp_reader *.
6221 Extract CPP_OPTION (pfile, pending) and work with that
6223 (cpp_options_init): Delete.
6224 (cpp_reader_init): Turn on on-by-default options here.
6225 Allocate the pending structure here.
6226 (cl_options, enum opt_code): Define these from the same table,
6227 kept in a large macro. Add -fshow-column and -fno-show-column
6230 * cpperror.c (v_message): If show_column is off, don't print
6233 * cppmain.c: Update for new interface.
6234 * fix-header.c: Likewise.
6236 2000-03-30 Geoff Keating <geoffk@cygnus.com>
6238 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
6240 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
6241 are passed to any invocation of AR_FOR_TARGET.
6242 (AR_CREATE_FOR_TARGET): New macro.
6243 (AR_EXTRACT_FOR_TARGET): New macro.
6244 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
6245 AR_EXTRACT_FOR_TARGET.
6246 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
6247 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
6248 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
6249 AR_EXTRACT_FOR_TARGET to sub-makes.
6251 2000-03-31 Neil Booth <NeilB@earthling.net>
6253 * cppexp.c: Delete SKIP_OPERAND. Correct priority
6255 (_cpp_parse_expr): Check for multiple unary +/- operators.
6256 Correct priorities of ':' and '?'. Treat ')' as having a
6257 value. Ensure conditional expression is not void.
6259 2000-03-31 Mark Mitchell <mark@codesourcery.com>
6261 * alias.c (canon_rtx): Make it global.
6262 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
6264 * cse.c (struct table_elt): Add canon_exp.
6266 (invalidate): Canonicalize expressions only once.
6267 * rtl.h (canon_rtx): Declare.
6269 2000-03-30 Mark Mitchell <mark@codesourcery.com>
6271 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
6272 * alias.c (reg_known_value): Add comments.
6273 (init_alias_analysis): Likewise.
6274 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
6276 (cse_basic_block): Fix typo in comment.
6277 * emit-rtl.c: Include hashtab.h.
6278 (const_int_htab): New variable.
6279 (const_int_htab_hash): New function.
6280 (const_int_htab_eq): Likewise.
6281 (rtx_htab_mark_1): Likewise.
6282 (rtx_htab_mark): Likewise.
6283 (gen_rtx_CONST_INT): Cache all CONST_INTs.
6284 (unshare_all_rtx): Fix formatting.
6285 (init_emit_once): Initialize const_int_htab.
6286 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
6288 * rtl.texi: Document the fact that all CONST_INTs with the same
6291 2000-03-30 Richard Henderson <rth@cygnus.com>
6293 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
6295 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
6297 * configure.in: Comment out --enable-c-cpplib stanza.
6298 * configure: Regenerate.
6300 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6302 * expr.c (store_constructor): Properly compute displacement and
6303 alignment when offset is variable.
6305 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
6306 cases of alignment in bytes.
6308 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
6310 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
6311 since it is used to generate c-parse.y.
6312 * objc-parse.c, objc-parse.y: Regenerated.
6314 * function.c (expand_function_end): Pass alignment argument to
6315 emit_block_move in bits, not bytes.
6317 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6319 * expr.c (move_by_pieces_ninsns): Fix one more missing align
6322 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
6324 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
6325 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
6326 * function.c (assign_parms): Likewise.
6327 * integrate.c (expand_inline_function): Likewise.
6328 * stmt.c (expand_decl): Likewise.
6329 (copy_rtx_and_substitute): Likewise.
6330 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
6331 (clear_by_pieces): Fix error in last change.
6332 * emit-rtl.c (init_emit): Set known registers alignment in bits.
6333 * function.h (regno_pointer_align): Now unsigned.
6334 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
6336 * config/i386/i386.c (aligned_operand): Likewise.
6337 * config/sparc/sparc.c (mem_min_alignment): Likewise.
6338 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
6339 (unaligned_memory_operand): Likewise.
6340 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
6341 Also make alignments and sizes unsigned and some whitespace cleanup.
6342 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
6344 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
6345 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
6346 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
6347 (expand_builtin_memset): Likewise, but to clear_storage.
6348 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
6349 (restore_fixed_argument_area): Likewise.
6350 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
6351 (load_register_parameters): Likewise, to emit_group_load.
6352 (expand_call): Likewise, to emit_group_store and emit_block_move.
6353 (emit_library_call_value_1): Likewise, to emit_block_move.
6354 (store_one_arg): Likewise, and to emit_push_insn.
6355 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
6356 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
6357 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
6358 (emit_block_move, emit_group_load, emit_group_store): Likewise.
6359 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
6360 (expand_assigment, store_expr, store_constructor_field): Likewise.
6361 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
6362 (store_constructor, store_field, get_inner_reference): Likewise.
6363 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
6364 (expand_expr, case COMPONENT_REF): Likewise.
6365 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
6366 and positions; reindent code.
6367 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
6368 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
6369 (assign_parms): Likewise to emit_group_store.
6370 * optabs.c (prepare_cmp_insn): Alignment is in bits.
6371 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
6372 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
6373 (expand_return): Likewise to {extract,store}_bit_field.
6374 * stor-layout.c (get_mode_alignment): Minor cleanup.
6375 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
6376 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
6378 2000-03-29 Nick Clifton <nickc@cygnus.com>
6380 * config/arm/arm.h: Undo effects of previous delta:
6381 (ASM_SPEC): Do not define.
6382 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
6384 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
6387 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
6389 * cppinit.c (cpp_start_read): Call initialize_dependency_output
6390 only after reading in the primary source file.
6392 2000-03-29 Geoff Keating <geoffk@cygnus.com>
6394 * c-common.c (c_common_nodes_and_builtins): The first parameter to
6395 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
6396 or a reference to a va_list.
6397 * builtins.c (stabilize_va_list): Simplify now we don't have to
6398 work around C array address decay.
6399 * c-typeck.c (convert_for_assignment): Handle assignment to
6400 a reference parameter by taking the address of the RHS.
6401 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
6402 (va_copy): Likewise.
6403 (__va_copy): Likewise.
6404 * ginclude/varargs.h (va_start): Likewise.
6405 (__va_copy): Likewise.
6407 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
6409 * i386/djgpp.h: Remove extraneous "+".
6411 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
6413 * calls.c (expand_call): Fix typo in last change.
6415 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
6417 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
6420 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6422 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
6423 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
6424 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
6425 * tree.c (bit_position, byte_position): Likewise.
6426 * tree.h: Declare new functions.
6428 2000-03-29 Nick Clifton <nickc@cygnus.com>
6430 * config/arm/arm.c: Minor formatting changes/
6431 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
6433 (ASM_SPEC): Define if not already defined.
6435 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
6437 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
6440 2000-03-29 Jakub Jelinek <jakub@redhat.com>
6442 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
6443 value, don't output it as unsigned.
6445 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
6447 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
6449 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6451 * c-common.c (c_common_nodes_and_builtins): Don't special case
6452 cplus_mode when declaring builtin bzero/bcmp, always avoid
6453 prototype arguments.
6455 2000-03-29 Bruce Korb <bkorb@gnu.org>
6457 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
6460 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
6462 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
6463 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
6464 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
6465 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
6466 (save_fixed_argument_area, restore_fixed_argument_area):
6467 conditionize by #ifdef REG_PARM_STACK_SPACE only.
6468 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
6469 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
6470 (precompute_register_parameters): Avoid #ifdefs on
6471 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
6472 (stire_one_args): Likewise.
6473 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
6474 (emit_library_call_value_1): Likewise.
6475 (compute_argument_block_size): Align to STACK_BOUNDARY only for
6476 ACCUMULATE_OUTGOING_ARGS.
6477 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
6479 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
6480 (use_crosses_set_p): Likewise.
6481 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
6482 #define ACCUMULATE_OUTGOING_ARGS 1.
6483 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
6485 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
6487 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
6488 (TARGET_SWITCHES): Add push-args, no-push-args,
6489 accumulate-outgoing-args and no-accumulate-outgoing-args.
6490 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
6491 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
6492 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
6494 (emit_push_insn): Likewise.
6495 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
6496 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
6497 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
6498 (STACK_DYNAMIC_OFFSET): Define correctly for both
6499 ACCUMULATE_OUTGOING_ARGS and normal mode.
6500 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
6501 * tm.texi (PUSH_ARGS): Document.
6502 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
6504 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
6506 * flags.h (flag_optimize_sibling_calls): Declare.
6507 * calls.c (expand_call): Fail sibcall when
6508 !flag_optimize_sibling_calls
6509 * invoke.texi (flag_optimize_sibling_calls): Document.
6510 * toplev.c (flag_optimize_sibling_calls): New global variable.
6511 (f_options): Add flag_optimize_sibling_calls.
6512 (rest_of_compilation): Conditionize
6513 optimize_sibling_and_tail_recursive_calls by
6514 flag_optimize_sibling_calls.
6515 (main): Set flag_optimize_sibling_calls for -O2.
6516 * stmt.c (expand_return): Conditionize tail recursion by
6517 flag_optimize_sibling_calls.
6519 2000-03-29 Richard Henderson <rth@cygnus.com>
6521 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
6522 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
6524 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
6526 * except.c (add_eh_table_entry): Mark type_info's as referenced.
6528 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6530 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
6532 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
6533 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
6534 * config/rs6000/aix.h: then modified likewise.
6536 2000-03-28 Richard Henderson <rth@cygnus.com>
6538 * rtl.h: Redistribute enum reg_note documentation.
6539 Kill trailing whitespace.
6540 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
6541 Kill trailing whitespace.
6543 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
6545 * cppfiles.c (hash_IHASH): Just return i->hash.
6546 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
6547 htab_find_with_hash.
6548 (cpp_read_file): Likewise.
6549 (find_include_file): Likewise. Properly initialize
6550 ih->nshort. Share ih->name and ih->nshort if possible.
6551 * cpphash.c (_cpp_calc_hash): New function.
6552 (hash_HASHNODE): Just return h->hash.
6553 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
6554 htab_find_with_hash.
6555 * cpphash.h: Prototype _cpp_calc_hash.
6556 * cppinit.c (initialize_builtins): Provide a valid hash
6557 to _cpp_make_hashnode, using _cpp_calc_hash.
6559 * cpphash.c (collect_expansion): # is not a special character
6560 in object-like macros. In -traditional mode, /**/ is not
6561 token paste at the beginning or end of the line.
6562 * cpplib.c (do_include, do_import, do_include_next): If
6563 parse_include fails, return immediately.
6565 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
6567 * config/arm/arm.md (return peepholes): Update to reflect the new
6569 * config/arm/arm.c (arm_volatile_func): Also check
6570 current_function_nothrow.
6571 (output_return_instruction, output_func_prologue): Use it.
6572 (arm_output_epilogue, arm_expand_prologue): Likewise.
6574 2000-03-27 Tom Tromey <tromey@cygnus.com>
6576 * gcc.c (handle_braces): In {x*...} case, break out of loop if
6579 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6581 * expr.c (store_constructor): SIZE now signed.
6582 For EXPR_SIZE, don't evaluate size; just needed if constant.
6583 * fold-const.c (fold): Fix a number of cases when folded tree is
6585 * function.c (flush_addressof): Reenable.
6586 * tree.h (flush_addressof): Likewise.
6587 * toplev.c (independent_decode_option): Look at strings_processed.
6588 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
6590 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
6592 * sibcall.c (indentify_call_return_value): Find last call in the chain;
6593 Allow stack adjustment after function call.
6595 * regmove.c (struct csa_memlist): Make mem field rtx *.
6596 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
6597 (try_apply_stack_adjustment): Replace whole MEM rtx.
6598 (combine_stack_adjustments_for_block): Update calls
6599 to record_one_stack_ref.
6601 2000-03-28 Neil Booth <NeilB@earthling.net>
6603 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
6604 '\\' rather than a null character, so nulls are not special. Fix
6605 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
6606 speed trigraph conversion.
6607 (_cpp_init_input_buffer): Initialize trigraph map.
6609 2000-03-27 Alan Modra <alan@linuxcare.com.au>
6611 * config/i386/i386.c (output_387_binary_op): Correct intel
6612 mode assembly output, and add spaces after commas in AT&T
6613 output. Correct Unixware assembler comment. Document input
6614 constraints. Comment fp operations. Reduce profligate buffer
6615 size. Remove extraneous abort. Localize temp var.
6616 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
6617 (output_fix_trunc): Add spaces after commas in assembly output.
6619 2000-03-27 Richard Henderson <rth@cygnus.com>
6621 * i386-protos.h (ix86_match_ccmode): Declare.
6622 * i386.c (ix86_match_ccmode): New.
6623 (ix86_expand_fp_compare): Update for pattern renames.
6624 (ix86_expand_strlensi_unroll_1): Likewise.
6625 * i386.h (EXTRA_CC_MODES): Add CCZ.
6626 (SELECT_CC_MODE): Use it for EQ/NE zero.
6627 * i386.md (cmpsi_ccz_1): New.
6629 (*testsi_ccz_1): New.
6630 (testqi_ccz_1): New.
6631 (cmpsi_ccno_1): Rename from cmpsi_0.
6632 (testsi_ccno_1): Rename from testsi_1.
6633 (testqi_ccno_1): Rename from testqi_1.
6634 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
6635 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
6636 (*cmphi_0): Use ix86_match_ccmode.
6637 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
6638 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
6639 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
6640 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
6641 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
6642 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
6643 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
6644 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
6645 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
6646 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
6647 (appropriate peepholes): Likewise.
6648 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
6649 (*subsi_3, *subhi_3, *subqi_3): Remove.
6650 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
6651 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
6652 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
6653 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
6654 (x86_shift_adj_1): Use CCZ.
6655 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
6657 2000-03-27 Stan Cox <scox@cygnus.com>
6659 * resource.h (mark_resource_type): New.
6660 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
6661 find_free_register): Use mark_resource_type.
6662 (mark_set_resources): Change include_delayed_effects
6663 to mark_resource_type.
6664 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
6665 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
6666 Use mark_resource_type.
6668 2000-03-27 Richard Henderson <rth@cygnus.com>
6670 * i386.md (call_pop_0, call_value_pop_0): New.
6671 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
6672 (call_value_pop_1): Likewise.
6673 (call_0, call_value_0): New.
6674 (call_1, call_value_1): Remove constraint from unused arg.
6676 2000-03-27 Nick Clifton <nickc@cygnus.com>
6678 * invoke.texi (Spec Files): Document new spec % command created by
6679 Tom Tromey's recent patch.
6681 2000-03-27 Jakub Jelinek <jakub@redhat.com>
6683 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
6686 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6688 * expr.c (expand_assignment): Fix typo in last change.
6690 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
6692 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6694 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
6695 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
6696 and DECL_INLINE if FUNCTION_DECL.
6697 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
6698 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
6699 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
6700 (combine_parm_decls): Likewise.
6701 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
6702 * print-tree.c (print_node): Likewise.
6703 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
6704 DECL_TRANSPARENT_UNION on proper decl types.
6705 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
6706 * stor-layout.c (layout_decl): Only check DECL_PACKED and
6707 DECL_BIT_FIELD of FIELD_DECL.
6708 * tree.h (DECL_RESULT_FLD): New macro.
6710 * expr.c (expand_assignment): Add code to handle variable-sized
6713 2000-03-26 Richard Henderson <rth@cygnus.com>
6715 * calls.c (expand_call): Pass parms not original exp to
6716 optimize_tail_recursion. Mind return value instead of looking
6718 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
6719 call_expr. Move checks for call_expr and current_function_decl ...
6720 (expand_return): ... here.
6722 2000-03-26 Tom Tromey <tromey@cygnus.com>
6724 * gcc.c (handle_braces): Recognize `%{<S}' construct.
6725 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
6727 (process_command): Use them.
6728 (check_live_switch): Likewise.
6729 (give_switch): Skip ignored switches.
6731 2000-03-26 Jan Hubicka <jh@suse.cz>
6733 * jump.c (jump_optimize_1): Fix typo in elide optimizations
6734 for minimal jump pass test.
6736 2000-03-26 Mark Mitchell <mark@codesourcery.com>
6738 * integrate.c (function_cannot_inline_p): Do inline functions that
6741 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6743 * stor-layout.c (layout_type, set_sizetype): early_type_list is
6744 now a list of TREE_LIST entries, not types.
6745 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
6747 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
6748 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
6750 * config/mips/mips.c (function_arg): Likewise; also remove cast
6751 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
6752 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
6753 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
6754 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
6755 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
6756 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
6757 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
6758 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
6759 num_adjusts now unsigned.
6760 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
6761 * config/sparc/sparc.c (struct function_arg_record_value_parms):
6763 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
6764 as is BITPOS variable; use host_integerp and int_bit_position.
6765 (function_arg_record_value_2): Likewise.
6766 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
6767 Variable REGNO now unsigned.
6768 (function_arg_record_value): NREGS now unsigned.
6770 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
6772 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
6774 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6776 * Rework fields used to describe positions of bitfields and
6777 modify sizes to be unsigned and use HOST_WIDE_INT.
6778 * alias.c (reg_known_value_size): Now unsigned.
6779 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
6780 (really_start_incremental_init): Use bitsize_zero_node.
6781 (push_init_level, pop_init_level, output_init_element): Likewise.
6782 Use bitsize_unit_node and bitsize_one_node.
6783 (output_pending_init_elements, process_init_element): Likewise.
6784 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
6785 (make_extraction): Position and length HOST_WIDE_INT and unsigned
6786 HOST_WIDE_INT, respectively.
6787 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
6788 (num_sign_bit_copies): Returns unsigned.
6789 BITWIDTH now unsigned; rework arithmetic.
6790 Remove recursive call from arg to MAX.
6791 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
6792 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
6794 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
6795 (find_split_point, expand_compound_operation, make_extraction): LEN
6796 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
6797 (make_field_assignment): Likewise.
6798 (combine_simplify_rtx): Add cast.
6799 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
6800 (force_to_mode): WIDTH now unsigned; add cast.
6801 (if_then_else_cond): SIZE now unsigned.
6802 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
6803 (extended_count): Now returns unsigned.
6804 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
6805 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
6806 (simplify_comparison): MODE_WIDTH now unsigned.
6807 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
6808 (mark_used_regs_combine): Likewise; rework arithmetic.
6809 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
6810 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
6811 (record_promoted_value): REGNO now unsigned.
6812 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
6813 (get_last_value): REGNO now unsigned.
6814 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
6815 (reg_dead_regno, reg_dead_endregno): Now unsigned.
6816 (remove_death): Arg REGNO now unsigned.
6817 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
6818 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
6820 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
6821 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
6822 (struct cse_reg_info): REGNO now unsigned.
6823 (cached_regno): Now unsigned.
6824 (REGNO_QTY_VALID_P): Add cast.
6825 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
6826 (remove_invalid_regs): Likewise.
6827 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
6828 as are variables END and I.
6829 (get_cse_reg_info, insert): Likewise.
6830 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
6831 (canon_hash): Likewise.
6832 (insert_regs, lookup_for_remove): REGNO now unsigned.
6833 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
6835 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
6836 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
6837 * emit-rtl.c (subreg_realpart_p): Add cast.
6838 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
6839 (operand_subword_force): Arg I is now unsigned.
6840 * except.c (eh_regs): Variable I is now unsigned.
6841 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
6842 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
6843 length is unsigned HOST_WIDE_INT; likewise for internal variables.
6844 (store_split_bit_field, extract_fixed_bit_field): Likewise.
6845 (extract_split_bit_field, store_bit_field, extract_bit_field):
6847 * expr.c (store_constructor_fields, store_constructor, store_field):
6848 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
6849 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
6850 (do_jump): Likewise.
6851 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
6852 MAX_SIZE is now unsigned.
6853 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
6854 (emit_group_store): Likewise.
6855 (emit_move_insn): I now unsigned.
6856 (store_constructor): Use host_integerp, tree_low_cst, and
6858 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
6859 Rework all calculations to use trees and new fields.
6860 * expr.h (promoted_input_arg): Regno now unsigned.
6861 (store_bit_field, extract_bit_field): Adjust types of pos and size.
6862 (mark_seen_cases): Arg is HOST_WIDE_INT.
6863 * flow.c (verify_wide_reg_1): REGNO now unsigned.
6864 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
6865 precisions and alignments are unsigned.
6866 (optimize_bit_field_compare, fold_truthop): Likewise.
6867 (int_const_binop): Adjust threshold for size_int_type_wide call.
6868 (fold_convert): Likewise.
6869 (size_int_type_wide): Make table larger and fix thinko that only
6870 had half of table used.
6871 (all_ones_mask_p, fold): Precisions are unsigned.
6872 * function.c (put_reg_info_stack): REGNO is unsigned.
6873 (instantiate_decl): Size is HOST_WIDE_INT.
6874 (instantiate_virtual_regs): I is unsigned.
6875 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
6876 (promoted_input_arg): REGNO is unsigned.
6877 * function.h (struct function): x_max_parm_reg is now unsigned.
6878 * gcse.c (max_gcse_regno): Now unsigned.
6879 (struct null_pointer_info): min_reg and max_reg now unsigned.
6880 (lookup_set, next_set): REGNO arg now unsigned.
6881 (compute_hash_table): REGNO and I now unsigned.
6882 (handle_avail_expr): regnum_for_replacing now unsigned.
6883 (cprop_insn): REGNO now unsigned.
6884 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
6885 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
6886 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
6887 * hard-reg-set.h (reg_class_size): Now unsigned.
6888 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
6889 * jump.c (mark_modified_reg): I now unsigned; add cast.
6890 (rtx_equal_for_thread_p): Add cast.
6891 * loop.c (max_reg_before_loop): Now unsigned.
6892 (struct_movable): REGNO now unsigned.
6893 (try_copy_prop): REGNO arg unsigned.
6894 (regs_match_p): XN and YN now unsigned.
6895 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
6896 (strength_reduce): Likewise; NREGS also unsigned.
6897 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
6898 * loop.h (struct iv_class): REGNO now unsigned.
6899 (max_reg_before_loop, first_increment_giv, last_increment_giv):
6901 * machmode.h (mode_size, mode_unit_size): Now unsigned.
6902 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
6903 * optabs.c (expand_binop): I and NWORDS now unsigned.
6904 (expand_unop): I now unsigned.
6905 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
6906 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
6907 * real.c (significand_size): Now returns unsigned.
6908 * real.h (significand_size): Likewise.
6909 * regclass.c (reg_class_size): Now unsigned.
6910 (choose_hard_reg_mode): Both operands now unsigned.
6911 (record_reg_classes): REGNO and NR now unsigned.
6912 (reg_scan): NREGS now unsigned.
6913 (reg_scan_update): old_max_regno now unsigned.
6914 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
6915 * reload.c (find_valid_class): BEST_SIZE now unsigned.
6916 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
6917 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
6918 Likewise for variable R.
6919 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
6920 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
6921 (find_equiv_reg): Add casts.
6922 (regno_clobbered_p): Arg REGNO now unsigned.
6923 * reload.h (struct reload): NREGS now unsigned.
6924 (refers_to_regno_for_reload_p): Regno args are unsigned.
6925 (regno_clobbered_p): Likewise.
6926 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
6927 (compute_use_by_pseudos): REGNO now unsigned.
6928 (find_reg): I and J now unsigned, new variable K, and change loop
6929 variables accordingly; THIS_NREGS now unsigned.
6930 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
6931 (spill_hard_reg): REGNO arg now unsigned; add casts.
6932 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
6933 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
6934 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
6935 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
6936 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
6937 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
6938 (emit_reload_insns): REGNO now unsigned.
6939 (reload_cse_move2add): Add cast.
6940 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
6942 * resource.c (mark_referenced_resources, mark_set_resources): New
6943 variable R; REGNO and LAST_REGNO now unsigned.
6944 (mark_target_live_regs): J and REGNO now unsigned.
6945 * rtl.c (mode_size, mode_unit_size): Now unsigned.
6946 * rtl.h (union rtunion_def): New field rtuint.
6947 (XCUINT): New macro.
6948 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
6949 (operand_subword, operand_subword_force): Word number is unsigned.
6950 (choose_hard_reg_mode): Operands are unsigned.
6951 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
6952 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
6953 (regno_use_in, combine_instructions, remove_death): Likewise.
6954 (reg_scan, reg_scan_update): Likewise.
6955 (extended_count): Return is unsigned.
6956 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
6957 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
6958 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
6959 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
6960 (reg_reg_last_1): FIRS and LAST now unsigned.
6961 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
6962 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
6964 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
6965 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
6966 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
6967 (replace_regs): Arg NREGS now unsigned.
6968 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
6969 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
6970 (simplify_binary_operation): Likewise.
6971 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
6972 THIS_LAST now unsigned.
6973 (cselib_record_set): Add cast.
6974 * ssa.c (ssa_max_reg_num): Now unsigned.
6975 (rename_block): REGNO now unsigned.
6976 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
6978 (all_cases_count): Just return -1 not -2.
6979 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
6980 Rework tests to use trees whenever possible.
6981 Use host_integerp and tree_low_cst.
6982 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
6983 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
6984 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
6985 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
6986 (smallest_mode_for_size): Likewise.
6987 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
6988 KNOWN_ALIGN is now an alignment, so simplify code.
6989 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
6990 (start_record_layout): Renamed from new_record_layout_info.
6991 Update to new fields.
6992 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
6994 (place_union_field): Renamed from layout_union_field.
6995 Update to use new fields in rli.
6996 (place_field): Renamed from layout_field.
6997 Major rewrite to use new fields in rli; pass alignment to layout_decl.
6998 (finalize_record_size): Rework to use new fields in rli and handle
7000 (compute_record_mode): Rework to simplify and to use new DECL fields.
7001 (finalize_type_size): Make rounding more consistent.
7002 (finish_union_layout): Deleted.
7003 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
7004 (layout_type, case RECORD_TYPE): Call new function names.
7005 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
7006 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
7007 (get_best_mode): UNIT is now unsigned; remove casts.
7008 * tree.c (bit_position): Compute from new fields.
7009 (byte_position, int_byte_position): New functions.
7010 (print_type_hash_statistics): Cast to remove warning.
7011 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
7012 (build_index_type): Likewise; make subtype of sizetype.
7013 (build_index_2_type): Pass sizetype to build_range_type.
7014 (build_common_tree_nodes): Use size_int and bitsize_int to
7015 initialize nodes; add bitsize_{zero,one,unit}_node.
7016 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
7017 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
7018 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
7019 (DECL_FIELD_BITPOS): Deleted.
7020 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
7021 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
7022 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
7023 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
7024 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
7025 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
7026 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
7027 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
7028 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
7029 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
7030 (DECL_ALIGN): Adjust to new field in union.
7031 (DECL_OFFSET_ALIGN): New field.
7032 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
7033 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
7034 (union tree_decl): Add struct for both aligns.
7035 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
7036 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
7037 (struct record_layout_info): Rework fields to have offset
7038 alignment and byte and bit position.
7039 (start_record_layout, place_field): Renamed from old names.
7040 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
7041 (byte_position, int_byte_position): Likewise.
7042 (get_inner_reference): Change types of position and length.
7043 * unroll.c (unroll_loop): New variable R; use for some loops.
7044 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
7045 (calculate_giv_inc): Arg REGNO now unsigned.
7046 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
7047 * varasm.c (assemble_variable): Clean up handling of size using
7048 host_integerp and tree_low_cst.
7049 (decode_addr_const): Use byte, not bit, position.
7050 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
7051 use tree_low_cst and int_bit_position.
7052 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
7054 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
7056 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
7057 (reorder_block_def): New members eff_head and eff_end.
7058 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
7059 (verify_insn_chain): New function.
7060 (skip_insns_between_block): Add code to skip deleted insns.
7061 Check for note before using.
7062 (chain_reorder_blocks): Replace calls to skip_insns_between_block
7063 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
7064 Check for note before using.
7065 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
7066 (fixup_reorder_chain): Restructure, clean up, defect removal.
7067 (reorder_basic_blocks): Remove last_insn and references to it.
7068 Moved insn chain verification code into a new function (see above).
7069 Delete defective code that sets last insn.
7070 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
7073 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7075 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
7077 2000-03-24 Richard Henderson <rth@cygnus.com>
7079 * tree.c (lang_safe_for_unsave): Remove.
7080 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
7081 allowing for two levels of unsafeness. Remove lang hook.
7082 * tree.h: Update declarations.
7083 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
7084 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
7085 Always fail sibcalls when there are pending cleanups.
7087 2000-03-24 Geoff Keating <geoffk@cygnus.com>
7089 * flow.c (propagate_block): When we delete an ADDR_VEC,
7090 also delete the BARRIER following it if there is one.
7092 2000-03-24 Richard Henderson <rth@cygnus.com>
7094 * builtins.c (expand_builtin_bzero): Convert `length' argument
7097 2000-03-24 Jakub Jelinek <jakub@redhat.com>
7099 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
7100 comparison if regno's are equal.
7101 * calls.c (initialize_argument_informat): Add ecf_flags argument.
7102 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
7103 (expand_call): Update caller.
7104 Avoid making a sibling call if argument size of the callee is larger
7105 than argument size of the caller.
7106 Call hard_function_value with outgoing set if in sibcall pass.
7107 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
7109 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
7110 Change LEAF_REGISTERS from an array initializer to actual array
7111 identifier. Move static global variable into the function.
7112 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
7113 sequences for leaf functions.
7114 * global.c (global_alloc): Likewise.
7115 * tm.texi (LEAF_REGISTERS): Update documentation.
7117 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
7118 TARGET_FLAT leaf disabling hack.
7119 (LEAF_REGISTERS): Changed from an array initializer to actual array
7120 identifier to avoid duplication and remove the above hack.
7121 (FUNCTION_OK_FOR_SIBCALL): Define.
7122 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
7123 always like call attribute.
7124 (eligible_for_sibcall_delay): New attribute.
7125 (sibcall): New delay type.
7126 (sibcall, sibcall_value, sibcall_epilogue): New expands.
7127 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
7128 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
7129 * config/sparc/sparc.c (sparc_leaf_regs): New array.
7130 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
7132 (output_function_epilogue): Move part of the code into
7133 output_restore_regs.
7134 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
7136 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
7139 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
7140 until infrastructure is finished.
7142 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
7144 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
7145 (save_parm_insns): Not here.
7147 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7149 * builtins.c (expand_builtin_bzero): New function.
7150 (expand_builtin): Handle bzero.
7152 * builtins.def: Add BUILT_IN_BZERO.
7154 * c-common.c (c_common_nodes_and_builtins): Provide builtin
7155 prototype & function for bzero.
7157 2000-03-23 Michael Meissner <meissner@redhat.com>
7159 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
7160 change adding TARGET_FP to the TF floating point insns, except for
7161 trunctfsf2, which generates direct calls to truncdfsf2.
7163 2000-03-23 Geoff Keating <geoffk@cygnus.com>
7165 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
7166 try to protect against middle-end changes that break binary
7168 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
7170 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7172 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
7174 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7176 * calls.c (expand_call): If TARGET is passed by reference and
7177 is readonly, write a CLOBBER.
7179 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7181 * builtins.c (expand_builtin): Handle bcmp.
7183 * builtins.def: Add BUILT_IN_BCMP.
7185 * c-common.c (c_common_nodes_and_builtins): Provide builtin
7186 prototype & function for bcmp.
7188 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
7190 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
7191 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
7192 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
7194 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
7196 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
7197 alternative when using -fp64 -gp32.
7199 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
7201 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
7202 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
7203 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
7205 * frame.h (frame_state): Revert last change.
7206 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
7207 * libgcc2.c (throw_helper): Revert last change.
7209 2000-03-22 Richard Henderson <rth@cygnus.com>
7211 * stmt.c (expand_asm_operands): Don't promote the temporary.
7213 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
7215 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
7216 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
7217 c_get_alias_set): Likewise.
7218 * c-decl.c (duplicate_decls): Likewise.
7219 * c-typeck.c (default_conversion,build_unary_op): Likewise.
7220 * calls.c (initialize_argument_information): Likewise.
7221 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
7223 * dwarfout.c (decl_class_context,output_type): Likewise.
7224 * expr.c (get_inner_reference): Likewise.
7225 * fold-const.c (simple_operand_p,fold): Likewise.
7226 * function.c (aggregate_value_p): Likewise.
7227 * stmt.c (expand_asm_operands): Likewise.
7228 * varasm.c (named_section): Likewise.
7230 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
7232 Implement dwarf2 exception handling for the ARM.
7233 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
7234 (DWARF_FRAME_RETURN_COLUMN): Define.
7235 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
7236 REG_FRAME_RELATED_EXPR note.
7237 (emit_sfm): Likewise.
7238 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
7239 * dwarf2out.c (reg_save): Handle saving a register to itself.
7240 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
7241 * except.c (eh_regs): Don't use the static chain reg if it's
7243 * frame.h (frame_state): Add cfa_saved field.
7244 * frame.c (execute_cfa_insn): Set it.
7245 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
7247 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
7249 (instantiate_virtual_regs): Adjust.
7251 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
7252 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
7253 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
7255 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
7256 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
7258 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7260 * builtins.def: New file.
7262 * Makefile.in (TREE_H): Depend on builtins.def.
7264 * builtins.c (built_in_names): Use builtins.def.
7266 * tree.h (built_in_function): Likewise.
7268 2000-03-22 Mark Mitchell <mark@codesourcery.com>
7270 * tree.c (size_in_bytes): Return size_zero_node, not
7273 2000-03-22 Geoff Keating <geoffk@cygnus.com>
7275 * config/fp-bit.c (pack_d): Correct the case when a denormal
7276 is rounded up and stops being denormal.
7278 2000-03-21 Richard Henderson <rth@cygnus.com>
7280 * config/alpha/alpha.c (function_arg): Check for void_type_node
7281 before using MUST_PASS_IN_STACK.
7283 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
7285 * regmove.c (combine_stack_adjustments_for_block): Check that
7286 the stack pointer is a valid memory address.
7288 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
7290 * calls.c: re-install Mar 16 emit_library_call merge.
7292 2000-03-21 Jakub Jelinek <jakub@redhat.com>
7294 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
7295 we cannot be sure that if reload_completed base register will
7296 be properly aligned.
7298 2000-03-21 Richard Henderson <rth@cygnus.com>
7300 * flow.c (delete_block): Fix typo last change.
7302 2000-03-21 Mark Mitchell <mark@codesourcery.com>
7304 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
7305 not COMPLETE_TYPE_P, to check the type of the expression.
7307 2000-03-21 Michael Meissner <meissner@redhat.com>
7309 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
7310 all floating point insns that just tested the macro
7311 TARGET_HAS_XFLOATING_LIBS.
7312 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
7313 used to only use the gprs.
7315 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
7317 * tree.h (COMPLETE_TYPE_P): New macro.
7318 (COMPLETE_OR_VOID_TYPE_P): New macro.
7319 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
7320 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
7321 * c-aux-info.c (gen_type): Use them.
7322 * c-common.c (c_expand_expr_stmt): Likewise.
7323 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
7324 grokdeclarator, grokparms, finish_struct, start_function,
7325 store_parm_decls, combine_parm_decls): Likewise.
7326 * c-parse.y (cast_expr): Likewise.
7327 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
7328 c_size_in_bytes, c_alignof, build_component_ref,
7329 build_indirect_ref, build_array_ref, convert_arguments,
7330 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
7331 * calls.c (initialize_argument_information): Likewise.
7332 * convert.c (convert_to_integer): Likewise.
7333 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
7334 * dwarfout.c (location_or_const_value_attribute,
7335 output_enumeration_type_die, output_structure_type_die,
7336 output_union_type_die, output_type): Likewise.
7337 * expr.c (safe_from_p, expand_expr): Likewise.
7338 * function.c (assign_parms): Likewise.
7339 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
7340 * tree.c (build_array_type, build_function_type,
7341 build_method_type, build_offset_type, build_complex_type): Likewise.
7342 * c-parse.c, c-parse.h: Regenerated.
7344 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7346 * config/c4x/rtems.h: Include config/rtems.h.
7348 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
7350 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
7351 decl is a FUNCTION_DECL
7353 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
7355 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
7356 function uses output registers. Don't save RP for leaf functions.
7357 Do save RP even if no epilogue.
7358 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
7359 (CALL_USED_REGISTERS): Unmark in registers.
7360 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
7363 2000-03-20 Geoff Keating <geoffk@cygnus.com>
7365 * config/rs6000/rs6000.md (bunordered): New expander.
7366 (bordered): New expander.
7367 (buneq): New expander.
7368 (bunge): New expander.
7369 (bungt): New expander.
7370 (bunle): New expander.
7371 (bunlt): New expander.
7372 (bltgt): New expander.
7374 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
7375 (ccr_bit_negated_p): New function.
7376 (print_operand): For %C, generate appropriate cror for UNEQ,
7377 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
7379 2000-03-20 Andreas Jaeger <aj@suse.de>
7381 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
7384 * tree.h (safe_for_unsave): Prototype.
7386 2000-03-20 Richard Henderson <rth@cygnus.com>
7388 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
7389 (combine_stack_adjustments_for_block): Don't allow sp references
7390 in the side of a set we're not fixing up.
7391 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
7392 after life_analysis.
7394 2000-03-20 Richard Henderson <rth@cygnus.com>
7396 * calls.c (expand_call): Don't bother generating tail call
7397 sequences if there are pending cleanups. Use
7398 expand_start_target_temps/expand_end_target_temps to elide
7399 cleanups created during sibcall expansion.
7401 2000-03-20 Geoff Keating <geoffk@cygnus.com>
7403 * configure.in: Set $IFS to a value if it doesn't already have one
7404 in the --enable-checking handling.
7405 * configure: Regenerate.
7407 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7409 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
7410 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
7413 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
7415 * jump.c (delete_noop_moves): Remove code attempting to
7416 combine stack adjustments.
7418 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7420 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
7421 * except.c (emit_cleanup_handler): Use them.
7422 (expand_end_all_catch): Likewise.
7423 * function.c (fixup_var_refs): Likewise.
7424 (expand_function_end): Clear catch_clauses_last.
7425 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
7426 * except.h (struct eh_status): New field x_catch_clauses_last.
7427 (catch_clauses_last): New define.
7429 * Makefile.in (tree.o): Depend on HASHTAB_H.
7430 * tree.c: Include hashtab.h.
7431 (struct type_hash): Remove next field.
7432 (TYPE_HASH_SIZE): Remove.
7433 (TYPE_HASH_INITIAL_SIZE): New define.
7434 (type_hash_table): Change type to htab_t.
7435 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
7436 mark_hash_entry): New functions.
7437 (init_obstacks): Allocate type hash.
7438 (type_hash_lookup): Use htab functions.
7439 (type_hash_add, mark_type_hash): Likewise.
7440 (dump_tree_statistics): Call print_type_hash_statistics.
7442 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7444 * rs6000/t-aix41: New file.
7446 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
7448 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
7450 * tm.texi (Driver): Fix typos and tweak entry for
7452 Move misplaced STRUCT_FORCE_BLK entry ...
7453 (Storage Layout): ... to here.
7454 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
7456 2000-03-19 Richard Henderson <rth@cygnus.com>
7458 * flow.c (delete_block): Delete the addr_vec along with the block.
7459 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
7462 * fold-const.c (extract_muldiv): Apply type check for defined
7463 overflow to multiply as well as divide.
7465 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
7467 2000-03-18 Mark Mitchell <mark@codesourcery.com>
7469 * emit-rtl.c (remove_unncessary_notes): Check that all
7470 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
7471 associated NOTE_BLOCK.
7472 * function.h (identify_blocks): Update comments.
7473 (reorder_blocks): Declare.
7474 * function.c (identify_blocks): Don't take paramters.
7475 (reorder_blocks): Don't take parameters.
7476 * loop.h (find_loop_tree_blocks): Remove.
7477 (unroll_block_trees): Likewise.
7478 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
7479 reorder_blocks instead of unroll_block_trees.h
7480 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
7481 * stmt.c (find_loop_tree_blocks): Remove.
7482 (unroll_block_trees): Likewise.
7483 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
7484 in whole-function mode.
7485 * tree.h (reorder_blocks): Remove declaration.
7487 * expr.c: Include intl.h.
7488 * Makefile.in (expr.o): Depend on intl.h.
7490 2000-03-18 Richard Henderson <rth@cygnus.com>
7492 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
7494 2000-03-18 Mark Mitchell <mark@codesourcery.com>
7496 * tree.h (tree_index): Remove enumerals for integer types.
7497 (integer_type_kind): New type.
7498 (integer_types): New variable.
7499 (char_type_node): Adjust.
7500 (signed_char_type_node): Likewise.
7501 (unsigned_char_type_node): Likewise.
7502 (short_integer_type_node): Likewise.
7503 (short_unsigned_type_node): Likewise.
7504 (integer_type_node): Likewise.
7505 (unsigned_type_node): Likewise.
7506 (long_integer_type_node): Likewise.
7507 (long_unsigned_type_node): Likewise.
7508 (long_long_integer_type_node): Likewise.
7509 (long_long_unsigned_type_node): Likewise.
7510 * tree.c (integer_types): New variable.
7511 (init_obstacks): Register it as a root.
7513 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
7515 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
7516 NEXT_INSN. Update last insn in chain.
7518 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
7520 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
7521 with TYPE_DECL_SUPPRESS_DEBUG set.
7523 2000-03-18 Richard Henderson <rth@cygnus.com>
7525 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
7527 2000-03-18 Richard Henderson <rth@cygnus.com>
7529 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
7530 care for HALF_PIC_P.
7531 (expander_call_insn_operand): Remove.
7532 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
7533 * i386.h (PREDICATE_CODES): Update.
7534 * i386.md (all call expanders): Remove predicates, remove special
7535 handling for half-pic.
7536 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
7537 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
7538 (sibcall_epilogue): New.
7540 2000-03-17 Richard Henderson <rth@cygnus.com>
7542 * rtlanal.c (single_set): Reject if the parallel has anything
7543 except SET or USE or CLOBBER.
7545 2000-03-17 Jeff Law <law@cygnus.com>
7546 Richard Henderson <rth@cygnus.com>
7548 * Makefile.in (OBJS): Add sibcall.o.
7550 * sibcall.c: New file.
7551 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
7552 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
7553 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
7554 Emit sibcall patterns when requested. Update all callers.
7555 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
7556 elimination seems feasable.
7557 * final.c (leaf_function_p): Sibling calls don't discount being
7559 * flow.c (HAVE_sibcall_epilogue): Provide default.
7560 (find_basic_blocks_1): Sibling calls don't throw.
7561 (make_edges): Make edge from sibling call to EXIT.
7562 (propagate_block): Don't remove sibcall_epilogue insns.
7563 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
7564 (sibcall_epilogue): New.
7565 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
7566 (identify_blocks_1): Likewise. Break out from ...
7567 (identify_blocks): ... here.
7568 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
7569 (reorder_blocks): ... here.
7570 (init_function_for_compilation): Zap prologue/epilogue as varrays.
7571 (record_insns): Extend a varray instead of mallocing new memory.
7572 (contains): Read a varray not array of ints.
7573 (sibcall_epilogue_contains): New.
7574 (thread_prologue_and_epilogue_insns): Emit and record
7575 sibcall_epilogue patterns.
7576 (init_function_once): Allocate prologue/epilogue varrays.
7577 * genflags.c (gen_insn): Treat sibcall patterns as calls.
7578 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
7580 (save_for_inline_nocopy): ... here.
7581 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
7583 (expand_inline_function): ... here.
7584 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
7585 (subst_constants): Handle 'n' formats.
7586 * jump.c (jump_optimize_minimal): New.
7587 (jump_optimize_1): New arg `minimal'; update callers. Elide most
7588 optimizations if it's set.
7589 * rtl.c (copy_rtx): Do copy jump & call for insns.
7590 * rtl.h (struct rtx_def): Document use of jump and call for insns.
7591 (SIBLING_CALL_P): New.
7592 (sibcall_use_t): New.
7593 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
7594 Invoke optimize_sibling_and_tail_recursive_calls.
7595 * tree.c (lang_safe_for_unsave): New.
7596 (safe_for_unsave): New.
7597 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
7599 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
7600 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
7601 (*sibcall_osf_1, *sibcall_value_osf_1): New.
7603 2000-03-17 Mark Mitchell <mark@codesourcery.com>
7605 * objc/objc-act.c (encode_method_prototype): Pass types, not
7606 PARM_DECLs, to int_size_in_bytes.
7608 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
7610 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
7612 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
7613 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
7615 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7617 * Clean up usages of TREE_INT_CST_LOW.
7618 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
7619 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
7621 * c-tree.h (min_precision): Move declaration to here.
7622 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
7623 (build_unary_op, add_pending_init): Use bit_position.
7624 (pending_init_member, process_init_element): Likewise.
7625 (really_start_incremental_init, push_init_level, pop_init_level):
7626 Don't make copies of nodes or modify them in place, use consistent
7627 types when tracking positions, and use tree routines computations.
7628 (set_init_index, output_init_element): Likewise.
7629 (output_pending_init_elements, process_init_element): Likewise.
7630 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
7631 tree_low_cst and int_bit_position; also minor cleanup.
7632 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
7633 (print_cst_octal): Precision is unsigned.
7634 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
7635 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
7636 (simple_type_align_in_bits): Result is unsigned int.
7637 Use tree_int_low_cst and host_integerp.
7638 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
7639 (field_byte_offset): Result is HOST_WIDE_INT.
7640 Change types of internal variables so alignments are unsigned int,
7641 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
7642 Use host_integerp, tree_low_cst, and int_bit_position.
7643 (add_bit_offset_attribute): Likewise.
7644 (add_data_member_location_attribute): Use tree_cst_low.
7645 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
7646 (add_bit_size_attribute): Use tree_low_cst.
7647 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
7648 * dwarfout.c: Similar changes to dwarf2out.c.
7649 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
7650 * genoutput.c (n_occurences): Return -1 for null string.
7651 (strip_whitespace): Accept null string and make into function.
7652 (scan_operands): Reflect above changes.
7653 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
7654 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
7655 * ssa.c (rename_registers): Add missing cast of arg to bzero.
7656 * tree.c (int_size_in_bytes): Check for too big to represent.
7657 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
7658 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
7660 (min_precision): Delete from here.
7661 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
7662 and int_bit_position.
7663 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
7664 (encode_method_def): Likewise.
7665 (build_ivar_list_initializer): Use int_bit_position.
7666 (generate_shared_structures): Convert size.
7667 (encode_type, encode_complete_bitfield): Use integer_zerop.
7668 (encode_bitfield): Use tree_low_cst and int_bit_position.
7670 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7672 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
7674 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7676 * call.c (special_function_p): It is only malloc if it returns
7679 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7681 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
7682 (C33_FLAG, TARGET_C3X): Add macros.
7683 (TARGET_SWITCHES): Add -m33 option.
7684 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
7686 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7688 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
7689 (PARALLEL_PACK_FLAG): Delete.
7690 (TARGET_SWITCHES): Update.
7691 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
7693 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7695 * fold-const.c (fold): Fix a few cases when the returned result
7696 is not of the same type as the input.
7698 2000-03-16 Nick Clifton <nickc@cygnus.com>
7700 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
7703 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7705 * libgcc2.h: Move prototypes above macros with the same name.
7706 Wrap some function prototypes in the conditional which indicates
7707 whether they are supported, i.e. "BITS_PER_UNIT == 8".
7709 2000-03-16 Richard Henderson <rth@cygnus.com>
7711 * calls.c: Revert last two changes.
7713 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
7715 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
7716 has exponent 0 is a zero.
7718 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
7719 HASH may already be nonzero. Add code/mode into hash value
7720 immediately after repeat label.
7721 (cselib_lookup): Don't leave the hash table in an inconsistent
7722 state before a hash lookup operation.
7724 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
7726 * i386.md (all HI and QI mode non-move patterns): Conditionize
7727 by TARGET_[HQ]IMODE_MATH.
7728 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
7729 x86_promote_qi_regs): Declare.
7730 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
7731 TARGET_PROMOTE_QI_REGS): New macros.
7732 (PROMOTE_MODE): New macro.
7733 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
7734 x86_promote_qi_regs): New global variables.
7736 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
7738 * calls.c (emit_library_call_value_1): Break out from ...; handle
7739 VOIDmode function calls too.
7740 (emit_library_call_value): ... here.
7741 (emit_library_call): Implement by calling emit_library_call_value_1.
7743 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
7745 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
7746 Update arg_space_so_far on stack adjustments.
7747 (emit_library_call, emit_library_call_value): Likewise; take into
7748 account arg_space_so_far and pending_stack_adjust when calculcating
7751 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
7753 * flow.c: Move all basic block reordering code into its own file.
7754 (create_basic_block): Externalize.
7755 * bb-reorder.c: New file. Copy all basic block reordering code from
7756 flow.c to this file.
7757 (reorder_basic_blocks): Fix fencepost error in for-loop.
7758 (reorder_basic_blocks): Remove braces from single statement for-loops.
7759 * basic-block.h: Add declaration for create_basic_block.
7760 * Makefile.in: Add rules for bb-reorder.o.
7762 2000-03-16 Neil Booth <NeilB@earthling.net>
7764 * cppinit.c (handle_option): Implement #unassert directive
7765 as -A- command line option.
7766 (print_help): Update.
7767 * cpptexi.c: Update.
7769 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
7771 * md.texi (Standard Names): Document `jump'.
7773 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
7775 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
7778 2000-03-15 Geoff Keating <geoffk@cygnus.com>
7780 Merge changes from newppc-branch onto trunk.
7782 2000-03-15 Geoff Keating <geoffk@cygnus.com>
7784 * rs6000.c (toc_hash_table): Update for new hash table functions.
7785 (toc_hash_function): Likewise.
7786 (toc_hash_eq): Likewise.
7787 (toc_hash_mark_entry): Likewise.
7788 (toc_hash_mark_table): Likewise.
7789 (output_toc): Likewise.
7790 (rs6000_add_gc_roots): Likewise.
7792 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7794 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
7795 (AR_FLAGS_FOR_TARGET): here. New macro.
7797 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
7799 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
7800 fpmem_operand) Delete.
7802 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
7803 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
7804 (rs6000_save_machine_status, rs6000_restore_machine_status,
7805 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
7806 references to above variables.
7807 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
7808 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
7809 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
7810 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
7811 (XER_REGNO_P, XER_REGNO): New.
7812 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
7813 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
7814 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
7816 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
7817 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
7818 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
7820 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7822 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
7823 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
7824 * rs6000.h: from here.
7826 * rs6000-protos.h (rs6000_select_section): Provide prototype.
7827 (rs6000_select_rtx_section): Likewise.
7828 (rs6000_encode_section_info): Likewise.
7829 (sdata_section): Likewise.
7830 (sdata2_section): Likewise.
7831 (sbss_section): Likewise.
7832 * sysv4.h (rs6000_select_section): Delete prototype.
7833 (rs6000_select_rtx_section): Likewise.
7834 (rs6000_encode_section_info): Likewise.
7835 (sdata_section): Likewise.
7836 (sdata2_section): Likewise.
7837 (sbss_section): Likewise.
7838 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
7840 * sysv4.h: Delete various unnecessary #undef's and put a comment
7841 on the remaining ones.
7842 Change various comments according to coding standard.
7844 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
7846 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
7847 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
7848 (CR0_REGNO_P) Remove.
7849 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
7850 setup_incoming_varargs, mtcrf_operation, print_operand,
7851 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
7852 Use the above macros.
7854 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
7856 * config/rs6000/rs6000.md: Added a new alternative for each
7857 pattern that had a 'x' alternative but no 'y' alternative.
7858 Added a new split for each of the above patterns.
7860 2000-02-18 Geoff Keating <geoffk@cygnus.com>
7862 * aix41.h (ASM_CPU_SPEC): Delete.
7863 (CPP_CPU_SPEC): Delete.
7865 * aix.h (RS6000_OUTPUT_BASENAME): Define.
7866 (ASM_OUTPUT_LABEL): Define.
7867 (ASM_GLOBALIZE_LABEL): Define.
7868 (STRIP_NAME_ENCODING): Define.
7869 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
7870 (STRIP_NAME_ENCODING): Don't define.
7871 (ASM_OUTPUT_LABEL): Don't define.
7872 (ASM_GLOBALIZE_LABEL): Don't define.
7873 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
7874 names, and ASM_OUTPUT_LABEL to output labels, rather than
7876 (ASM_OUTPUT_LABEL): Define.
7877 (ASM_OUTPUT_INT): Use assemble_name.
7878 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
7879 (STRIP_NAME_ENCODING): Don't undefine first.
7880 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
7882 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
7883 specified with 'asm' even with -fleading-underscore.
7884 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
7885 (output_epilog): Likewise.
7886 (output_toc): Likewise.
7887 * tramp.asm: Handle -fleading-underscore correctly.
7889 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
7891 (nonlocal_goto_receiver): Delete.
7892 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
7894 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
7895 (SET_ASM_OP): Define.
7896 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
7898 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
7901 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
7902 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
7904 * rs6000.h: Add 'u' to more constants.
7906 2000-02-18 David Edelsohn <edelsohn@gnu.org>
7908 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
7910 2000-02-15 David Edelsohn <edelsohn@gnu.org>
7912 * rs6000.c (reg_or_u_cint_operand): New function.
7913 (logical_operand): Handle 64-bit hosts.
7914 (logical_u_operand): New function.
7915 (non_logical_cint_operand): Handle 64-bit hosts.
7916 (non_logical_u_cint_operand): New function.
7917 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
7918 (PREDICATE_CODES): Define new functions.
7919 * rs6000-protos.h: Declare new functions.
7920 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
7921 (movdi_64): Bracket code intended for 64-bit hosts. Create
7922 CONST_DOUBLE for 32-bit values.
7923 (scc insns): Generate DImode compares.
7924 (mfcr insns): Create DImode versions.
7925 (sge matchers): New patterns.
7927 2000-02-15 Gabriel Paubert <paubert@iram.es>
7929 * rs6000.md: Correct instructions length attributes and
7930 constraints on unsigned compare instructions.
7931 (*ne0): Disable for PowerPC64.
7933 2000-02-11 Geoff Keating <geoffk@cygnus.com>
7935 * rs6000.c (output_function_profiler): Use .long for a 32-bit
7936 quantity, fix profile1.C test failure under -fPIC.
7938 * rs6000.c: Add 'u' to many constants to suppress warnings.
7939 (constant_pool_expr_1): Make static.
7940 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
7941 * rs6000.h: Add 'u' to many constants to suppress warnings.
7943 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
7944 for the start of the TOC, instead of LCTOC..0.
7945 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
7947 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
7948 (load_toc_aix_di): Use LCTOC..1.
7950 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
7951 * rs6000.c (rs6000_legitimize_address): New function from
7952 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
7953 symbols in the constant pool that really are TOC references.
7954 (print_operand_address): For ELF, write TOC offsets under
7955 -fPIC as subtractions in the insn.
7956 (output_toc): For ELF, define symbols in TOC as normal labels,
7958 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
7959 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
7960 (create_TOC_reference): Prototype only when RTX_CODE is defined.
7961 * rs6000.md (movsi): Only use create_TOC_reference on
7962 symbols in the constant pool that really are TOC references.
7964 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
7965 * rs6000.c (rs6000_reorg): Delete.
7966 * rs6000-protos.h (rs6000_reorg): Delete.
7968 2000-02-09 Geoff Keating <geoffk@cygnus.com>
7970 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
7972 * aix.h (SETUP_FRAME_ADDRESSES): Define.
7973 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
7974 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
7975 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
7976 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
7977 rs6000_aix_emit_builtin_unwind_init.
7978 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
7979 rs6000_emit_eh_toc_restore on AIX.
7980 (return_eh_si): Use r2.
7981 (return_eh_di): Use r2.
7983 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
7984 since we're breaking binary compatibility anyway.
7986 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
7988 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
7989 constant_pool_expr_p): Declare them.
7990 (constant_pool_expr_p): Declare it.
7991 * config/rs6000/rs6000.c (toc_label_name): Define.
7992 (rs6000_override_options): Set toc_label_name.
7993 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
7994 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
7995 uses_TOC): New functions.
7996 (print_operand): Delete old '*' case.
7997 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
7998 and strip off rtl for TOC before calling output_addr_const.
7999 (rs6000_emit_load_toc_table): Use toc_label_name.
8000 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
8002 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
8003 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
8004 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
8005 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
8006 into explicit TOC_REGISTER offsets.
8007 (TOC_REGISTER): New macro.
8008 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
8009 TARGET_TOC to reference TOC_REGISTER.
8010 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
8011 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
8012 uses_TOC before emitting label references.
8014 2000-02-05 Geoff Keating <geoffk@cygnus.com>
8016 * rs6000.md (stack_tie): Fix warning.
8018 * eabi-ctors.c: Use 'asm' names for the start/end variables,
8019 to handle -fleading-underscore.
8020 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
8021 (USER_LABEL_PREFIX): New macro.
8022 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
8023 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
8024 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
8025 call-linux can use the same multilibs.
8026 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
8027 and call-linux multilibs. Do multilib with -fleading-underscore.
8028 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
8029 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
8032 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
8033 have MASK_SOFT_FLOAT set.
8034 (CPP_FLOAT_DEFAULT_SPEC): New macro.
8035 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
8036 CPP_FLOAT_DEFAULT_SPEC.
8038 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
8039 * rs6000.md: Whitespace change.
8040 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
8041 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
8043 2000-02-05 Geoff Keating <geoffk@cygnus.com>
8045 * rs6000.md (eh_epilogue): New expander.
8046 (eh_reg_restore): New expand/split/insn combination.
8047 (return_eh_si): New insn.
8048 (return_eh_di): New insn.
8050 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
8051 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
8052 * eabi-ctors.c (__do_global_ctors): Register this object's
8053 frame. Clean up. Call atexit() after the constructors.
8054 (__do_global_dtors): Deregister this object's frame. Clean up.
8055 Allow for recursive calls to exit().
8056 * rs6000.c (fixuplabelno): New variable.
8057 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
8058 TARGET_RELOCATABLE, it slows down exec() under linux.
8059 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
8061 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
8062 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
8063 (ASM_OUTPUT_DWARF_DELTA2): New macro.
8064 (ASM_OUTPUT_DWARF_DELTA4): New macro.
8065 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
8066 (ASM_OUTPUT_DWARF_ADDR): New macro.
8067 (ASM_OUTPUT_DWARF_DATA4): New macro.
8068 (ASM_OUTPUT_DWARF_DATA2): New macro.
8069 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
8070 (ASM_OUTPUT_DWARF_OFFSET): New macro.
8071 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
8073 2000-02-03 Geoff Keating <geoffk@cygnus.com>
8075 * rs6000.c (rs6000_sr_alias_set): New variable.
8076 (rs6000_override_options): Initialise rs6000_sr_alias_set.
8077 (rs6000_emit_stack_tie): New function.
8078 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
8079 in a way that dwarf2out can understand.
8080 (rs6000_frame_related): New function.
8081 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
8082 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
8083 Use rs6000_emit_stack_tie when needed.
8084 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
8085 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
8086 * rs6000.md (stack_tie): New insn.
8087 (return_internal_si): Allow return value to be in the count
8089 (return_internal_di): Likewise.
8091 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
8093 2000-02-03 Geoff Keating <geoffk@cygnus.com>
8095 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
8097 2000-01-31 Geoff Keating <geoffk@cygnus.com>
8099 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
8101 * rs6000.md (stmw): Use the right POWER opcode.
8104 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8106 * rs6000-protos.h: New file.
8108 * rs6000.c: Include tm_p.h. Fix compile time warnings.
8110 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
8113 * sysv4.h: Likewise.
8115 2000-01-28 Geoff Keating <geoffk@cygnus.com>
8117 * ../../configure.in: Delete powerpcle-*-winnt*
8118 and powerpcle-*-pe|powerpcle-*-cygwin*.
8119 * ../../configure: Regenerated.
8121 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
8122 (TARGET_WINDOWS_NT): Delete.
8124 (CALL_NT_DLLIMPORT): Delete.
8125 Delete NT-specific code.
8126 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
8129 * nt-ci.asm: Delete.
8130 * nt-cn.asm: Delete.
8131 * ntstack.asm: Delete.
8133 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8135 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
8136 (ASM_FILE_START): Likewise.
8137 (ASM_DECLARE_FUNCTION_NAME): Likewise.
8138 (ASM_OUTPUT_LABELREF): Likewise.
8139 (ASM_OUTPUT_SKIP): Likewise.
8140 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
8141 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
8142 (ASM_OUTPUT_CASE_LABEL): Likewise.
8143 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
8144 (ASM_OUTPUT_ASCII): Likewise.
8146 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
8148 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
8149 reload_toc_labelno for non-prologue TOC reloads. Also, don't
8150 increment rs6000_pic_labelno here.
8151 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
8152 and increment rs6000_pic_labelno here.
8154 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
8156 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
8157 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
8158 allocation knows (reg) is dead before the insn.
8160 2000-01-21 Geoff Keating <geoffk@cygnus.com>
8162 * rs6000.md (movsi_to_cr): Correct typo in output template.
8164 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
8166 * rs6000.c (rs6000_pic_labelno): Always define.
8167 (rs6000_pic_func_labelno): Delete.
8168 (lmw_operation): Check for a zero base register,
8169 which doesn't mean what we want.
8170 (stmw_operation): New function.
8171 (print_operand): Define new 'l' modifier.
8172 (rs6000_stack_info): We must save all 64 bits of the registers
8173 if TARGET_POWERPC64.
8174 (rs6000_output_load_toc_table): Delete.
8175 (rs6000_emit_load_toc_table): New function.
8176 (rs6000_allocate_stack_space): Delete.
8177 (rs6000_emit_allocate_stack): New function.
8178 (rs6000_emit_prologue): New function.
8179 (output_prolog): Use rs6000_emit_prologue.
8180 (rs6000_emit_epilogue): Change a few variable names to be
8181 more accurate. Restore all 64 bits of the registers if
8182 TARGET_POWERPC64. Only restore the FP registers which were used
8183 if they are being saved/restored one-at-a-time.
8184 (output_mi_thunk): Delete inefficient code generation.
8185 (output_function_profiler): Don't use rs6000_output_load_toc_table.
8186 * rs6000.h: Declare rs6000_emit_load_toc_table,
8187 rs6000_allocate_stack_space, stmw_operation. Don't declare
8188 rs6000_output_load_toc_table.
8189 * rs6000.md (elf_high): Allow register 0, but discourage it
8191 (elf_low): Support loading into register 0.
8192 (load_toc_aix_si): New pattern.
8193 (load_toc_aix_di): New pattern.
8194 (load_toc_v4_pic_si): New pattern.
8195 (load_toc_v4_pic_di): New pattern.
8196 (load_toc_v4_PIC_1): New pattern.
8197 (load_toc_v4_PIC_1b): New pattern.
8198 (load_toc_v4_PIC_2): New pattern.
8199 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
8200 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
8201 (prologue): New expander.
8202 (movesi_from_cr): New pattern.
8203 (stmw): New pattern.
8204 (save_fpregs_si): New pattern.
8205 (save_fpregs_di): New pattern.
8207 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8209 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
8214 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8216 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
8218 (movsi_got_internal): Likewise.
8219 (movsi_got_internal+1): Likewise.
8220 (set_sp): 'unspec 7' does a SImode clobber.
8222 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8224 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
8225 allocate a stack temporary.
8226 (floatsidf2_internal): Likewise.
8227 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
8229 (floatunssidf2): Don't use the fpmem "register", just
8230 allocate a stack temporary.
8231 (floatunssidf2_internal): Likewise.
8232 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
8234 (floatsidf2_loadaddr): Delete.
8235 (floatsidf2_store1): Delete.
8236 (floatsidf2_store2): Delete.
8237 (floatsidf2_load): Delete.
8238 (fix_truncdfsi2): Don't use the fpmem "register", just
8239 allocate a stack temporary.
8240 (fix_truncdfsi2_internal_si): Delete.
8241 (fix_truncdfsi2_internal_di): Delete.
8242 (fix_truncdfsi2_internal): New insn.
8243 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
8244 (fix_truncdfsi2_store): Delete.
8245 (fix_truncdfsi2_load): Delete.
8246 (fctiwz): Produce gen_fctiwz.
8248 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
8250 * eabi.h (INVOKE__main): Define.
8251 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
8253 (rs6000_emit_prologue): Likewise.
8254 * rs6000.h (struct rs6000_stack): Don't keep track of whether
8255 this is the main program.
8257 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8259 * rs6000.c (rs6000_va_arg): Delete some unused variables.
8261 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8263 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
8264 goes after the argument.
8266 2000-01-12 Geoff Keating <geoffk@cygnus.com>
8268 * rs6000.md: Document 'unspec' values used.
8269 (epilogue): New expander.
8270 (movesi_to_cr_one): New expander.
8271 (movesi_to_cr and following): New pattern.
8273 (return_internal_si): New pattern.
8274 (return_internal_di): New pattern.
8275 (return_and_restore_fpregs_si): New pattern.
8276 (return_and_restore_fpregs_di): New pattern.
8277 * rs6000.h: Declare new functions.
8278 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
8279 rather than rs6000_calls_p.
8280 (rs6000_makes_calls): Delete.
8281 (lmw_operation): New function.
8282 (mtcrf_operation): New function.
8283 (rs6000_emit_epilogue): New function.
8284 (output_epilog): Call rs6000_emit_epilogue and final if
8285 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
8287 2000-01-12 Geoff Keating <geoffk@cygnus.com>
8289 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
8290 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
8291 * aix.h (SUBTARGET_SWITCHES): Document switches.
8292 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
8293 sched-prolog and sched-epilog the same. Document all the
8295 (TARGET_OPTIONS): No longer allow -mdebug-.
8297 2000-01-12 Geoff Keating <geoffk@cygnus.com>
8299 * rs6000.h (ASM_FILE_END): Move to aix.h.
8300 (EXTRA_SECTIONS): Move to aix.h.
8301 (READONLY_DATA_SECTION): Move to aix.h.
8302 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
8303 (SELECT_SECTION): Move to aix.h.
8304 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
8305 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
8306 (LINK_REGISTER_REGNUM): New definition.
8307 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
8308 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
8310 * sysv4.h: Delete the code between the inclusion of rs6000.h
8312 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
8313 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
8314 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
8315 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
8316 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
8317 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
8318 (fix_truncdfsi2_internal_di): New pattern.
8319 (fix_truncdfsi2_store): The second arg here is Pmode too.
8320 (fix_truncdfsi2_load): The second arg here is Pmode too.
8321 (tablejumpdi): Now that switch tables hold only SImode values,
8322 gcc needs to know how to add them to the pc which is DImode.
8323 * rs6000.c (rs6000_stack_info): Use symbolic name for
8324 LINK_REGISTER_REGNUM.
8325 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
8326 (output_toc): Delete unused variables s1 and s2.
8327 (output_ascii): Use fputs not fprintf on a variable string.
8329 2000-01-07 David Edelsohn <edelsohn@gnu.org>
8331 * rs6000.c (processor_target_table): Add power3 as alias for 630.
8332 * aix43.h: Revert Aug 2 change.
8333 (HAS_INIT_SECTION): Define, not visible yet.
8334 (LD_INIT_SWITCH): Define, not visible yet.
8335 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
8337 2000-01-04 Joel Sherrill (joel@OARcorp.com>
8339 * config/rs6000/rtems.h: Include config/rtems.h.
8341 2000-01-04 David Edelsohn <edelsohn@gnu.org>
8343 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
8344 (SLOW_UNALIGNED_ACCESS): Define.
8345 (CASE_VECTOR_MODE): Always use 32-bit offsets.
8346 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
8347 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
8348 (toc_section): Likewise and .toc pseudo-op.
8349 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
8351 (TEXT_SECTION_ASM_OP): Likewise.
8352 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
8355 1999-12-17 Jakub Jelinek <jakub@redhat.com>
8357 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
8358 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
8361 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8363 * rs6000.h: Move more stuff from here...
8365 * sysv4.h: Cleanup accordingly.
8366 * netware.h: Likewise
8368 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8370 * rs6000.h: Continue cleanup.
8373 * netware.h: Likewise.
8375 * sysv4.h: Likewise.
8376 * win-nt.h: Likewise.
8378 * rs6000.h (TARGET_SWITCHES): Add descriptions.
8379 (TARGET_OPTIONS): Likewise.
8381 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
8382 (SUBTARGET_OPTIONS): Likewise.
8384 * rs6000.md: Fix compile time warnings.
8386 2000-01-04 Geoff Keating <geoffk@cygnus.com>
8388 vxworks patches from the Cygnus tree originally by
8389 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
8390 <vmakarov@cygnus.com>.
8391 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
8392 (ENDFILE_SPEC): Likewise.
8393 (LIB_VXWORKS_SPEC): New macro.
8394 (STARTFILE_VXWORKS_SPEC): New macro.
8395 (ENDFILE_VXWORKS_SPEC): New macro.
8396 (LINK_START_VXWORKS_SPEC): New macro.
8397 (LINK_OS_VXWORKS_SPEC): New macro.
8398 (CPP_OS_VXWORKS_SPEC): New macro.
8399 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
8400 * vxppc.h: Rewrite to use proper configuration method.
8401 * vxppcle.h: New file.
8402 * ../../configure.in: Add powerpcle-wrs-vxworks*.
8403 * ../../configure: Rebuilt.
8405 2000-01-04 Geoff Keating <geoffk@cygnus.com>
8407 Lots of changes to rs6000.h, sysv4.h, aix.h,
8408 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
8409 with the aim that rs6000.h is the first header
8410 included and the others override it.
8413 * x-aix41-gld: Remove.
8415 * x-aix41: Remove target-specific switches, and don't specify
8416 -Wl,-bbigtoc as we don't need it any more.
8417 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
8418 Use t-aix43 for AIX 4.3 and above.
8419 * ../../configure: Regenerated.
8421 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
8422 options, that don't do anything yet.
8423 (MASK_SCHED_PROLOG): New macro.
8424 (MASK_SCHED_EPILOG): New macro.
8425 (TARGET_SCHED_PROLOG): New macro.
8426 (TARGET_SCHED_EPILOG): New macro.
8428 2000-01-04 Geoff Keating <geoffk@cygnus.com>
8430 * rs6000.c: Correct comment, the `minimal' TOCs are actually
8431 one per translation unit, not one per function.
8432 (output_toc): Also do duplicate constant elimination
8433 for per-translation-unit TOCs.
8435 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
8436 a comment explaining _exactly_ when this pattern gets used.
8437 (builtin_setjmp_receiver): New pattern for better clarity.
8438 (init_v4_pic): Move it into a section dealing with TOC registers.
8440 1999-12-30 Geoff Keating <geoffk@cygnus.com>
8442 * rs6000.c (toc_hash_table): New variable.
8443 (rs6000_hash_constant): New function.
8444 (toc_hash_function): New function.
8445 (toc_hash_eq): New function.
8446 (toc_hash_mark_entry): New function.
8447 (toc_hash_mark_table): New function.
8448 (output_toc): Don't output duplicate TOC entries in
8450 (rs6000_add_gc_roots): Add the hash table as a GC root.
8451 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
8452 where they clearly shouldn't be. This may need to be fixed
8453 later when there is a GNU ar for AIX.
8454 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
8455 Don't define BOOT_LDFLAGS as it is now not necessary.
8457 1999-12-29 Geoff Keating <geoffk@cygnus.com>
8459 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
8460 for va_list on AIX. Use unsigned_char_type_node rather than
8461 constructing our own version on svr4.
8463 1999-12-17 Geoff Keating <geoffk@cygnus.com>
8465 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
8466 since patently it's not.
8468 1999-12-08 Geoff Keating <geoffk@cygnus.com>
8470 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
8471 define_expand/define_insn pair, and handle restore of the
8472 SVR4 -fpic register.
8474 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
8476 * acconfig.h (HAVE_GAS_WEAK): New define.
8477 * configure.in (assembler weak support): Check for .weak support.
8478 * config.in, configure: Rebuilt.
8479 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
8480 HAVE_GAS_WEAK is defined.
8482 2000-03-15 Nick Clifton <nickc@cygnus.com>
8484 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
8487 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
8489 * cppfiles.c (open_include_file): New function.
8490 (find_include_file, cpp_read_file): Use it.
8492 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
8494 * cpphash.c (dump_hash_helper): Take the slot, not the element.
8496 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
8498 * flow.c (verify_flow_info): Check for unconditional return.
8500 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
8502 * config/ia64/ia64.md (restore_stack_nonlocal): New.
8503 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
8504 (__ia64_restore_stack_nonlocal): New.
8505 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
8507 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8509 * cpphash.c (collect_formal_parameters): Do not complain about
8510 parameter names that just start with `__VA_ARGS__'.
8512 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
8514 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
8515 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
8516 * i386.c (pentiumpro_cost): Set mul cost to 4.
8517 (x86_use_movx): Set for PPro.
8519 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
8521 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
8522 STACK_BOUNDARY for empty frames now.
8524 2000-03-14 Mark Mitchell <mark@codesourcery.com>
8526 * stor-layout.c (layout_union): Remove.
8527 (layout_union_field): New function, split out from layout_union.
8528 (finish_union_layout): Likewise.
8529 (layout_field): Handle unions by calling layout_union_field.
8530 (finish_record_layout): Handle unions.
8531 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
8532 QUAL_UNION_TYPE handling.
8534 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
8536 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
8537 end of basic block is jump_insn, not barrier; use create_basic_block
8538 instead of creating basic block by hand.
8540 2000-03-14 Jason Eckhardt <jle@cygnus.com>
8542 * flow.c (reorder_basic_blocks): Account for barriers when writing
8543 over NEXT_INSN (last_bb->end).
8544 (verify_flow_info): Add check for missing barriers.
8546 2000-03-14 Greg McGary <gkm@gnu.org>
8548 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
8549 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
8550 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
8551 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
8552 __unbounded, __unbounded__): New keywords.
8553 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
8554 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
8555 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
8557 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
8559 * cselib.h: New file.
8560 * alias.c: Include "cselib.h".
8561 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
8562 MEMs as two new arguments.
8563 (get_addr): New static function.
8564 (find_base_term): Handle VALUEs.
8565 (memrefs_conflict_p): Likewise.
8566 (true_dependence): Call get_addr on the addresses.
8567 Call fixed_scalar_and_varying_struct_p with addresses that have been
8568 passed through get_addr and canon_rtx.
8569 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
8570 with true_dependence.
8571 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
8572 * loop.c: Include "cselib.h".
8573 (load_mems): Process extended basic block that enters the loop with
8574 cselib. Use that information to change initialization of the shadow
8575 register so that a constant equivalence is seen by later passes.
8576 * reload1.c: Include "cselib.h".
8577 (reload_cse_invalidate_regno): Delete function.
8578 (reload_cse_mem_conflict_p): Likewise.
8579 (reload_cse_invalidate_mem): Likewise.
8580 (reload_cse_invalidate_rtx): Likewise.
8581 (reload_cse_regno_equal_p): Likewise.
8582 (reload_cse_check_clobber): Likewise.
8583 (reload_cse_record_set): Likewise.
8584 (reg_values): Delete static variable.
8585 (invalidate_regno_rtx): Likewise.
8586 (reload_cse_delete_noop_set): New static function.
8587 (reload_cse_simplify): New static function, broken out of
8589 (reload_cse_noop_set_p): Delete unused argument INSN.
8590 Just call rtx_equal_for_cselib_p on set source and destination.
8591 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
8592 reload_cse_delete_noop_set. Delete code to keep track of values; use
8593 cselib functions instead. Delete code to push/pop obstacks.
8594 (reload_cse_simplify_set): Use cselib to find equivalent values.
8595 Delete code to push/pop obstacks.
8596 (reload_cse_simplify_operands): Likewise.
8597 * rtl.def (VALUE): New rtx code.
8598 * rtl.h (union rtunion_def): New elt rt_cselib.
8599 (X0CSELIB, CSELIB_VAL_PTR): New macros.
8600 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
8601 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
8602 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
8603 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
8604 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
8605 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
8606 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
8607 cselib_record_set, cselib_record_sets): New static functions.
8608 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
8609 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
8610 references_value_p): New functions.
8611 (MAX_USELESS_VALUES, REG_VALUES): New macros.
8612 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
8613 n_useless_values, reg_values, callmem, cselib_obstack,
8614 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
8615 New static variables.
8616 * varray.h (union varray_data_tag): New elt te.
8617 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
8618 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
8621 2000-03-14 Nick Clifton <nickc@cygnus.com>
8623 * gcc.c (do_spec_1): Catch the case where %* is used in a
8624 substitution pattern, but it has not been initialised.
8625 Issue a meaningful error message if an unrecognised operator
8626 is encountered in a spec string.
8628 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
8630 * function.c (prepare_function_start): Correctly initialize
8631 cfun->stack_alignment_needed.
8633 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
8635 * cppfiles.c (find_include_file): Don't assume nshort is a
8638 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
8640 * configure.in (hppa configurations): Add pa32-regs.h to the
8641 list of tm files as appropriate.
8642 * configure: Rebuilt.
8643 * pa.c (compute_frame_size): Remove explicit knowledge about FP
8645 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
8646 (fmpyaddoperands, fmpysuboperands): Likewise.
8647 * pa.h: Remove various definitions which depend on knowing
8648 how registers are numbered.
8649 * pa32-regs.h: New file with PA32 register numbering specific
8652 2000-03-14 Richard Henderson <rth@cygnus.com>
8654 * regmove.c (combine_stack_adjustments): New.
8655 (stack_memref_p, single_set_for_csa): New.
8656 (free_csa_memlist, record_one_stack_memref): New.
8657 (try_apply_stack_adjustment): New.
8658 (combine_stack_adjustments_for_block): New.
8659 * rtl.h (combine_stack_adjustments): Declare.
8660 * toplev.c (rest_of_compilation): Call it.
8662 * i386.md: Revert 2000-01-16 change.
8664 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8666 * gccbug.in: Add web category, gcc specific classes.
8668 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
8670 * stor-layout.c (finalize_record_size): Fix typo.
8672 2000-03-14 Stan Shebs <shebs@apple.com>
8674 * c-typeck.c (c_alignof): Error on incomplete types.
8675 * extend.texi (Alignment): Document this.
8677 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
8679 * cppfiles.c: Include mkdeps.h.
8680 (find_include_file, read_include_file): Remove _cpp_ prefix
8681 from name, make static.
8682 (_cpp_execute_include): New function, broken out of
8685 * cpplib.c: Don't include mkdeps.h.
8686 (struct directive): Remove type field. Reorder entries. The
8687 function takes only one argument.
8688 (struct if_stack): Make type field an int.
8689 (directive_table): Rename to dtable. Generate it, the
8690 prototypes of the directive handlers, and the enum for the
8691 directive numbers, from a template macro.
8692 (do_ifndef, do_include_next, do_import): New functions.
8693 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
8694 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
8695 do_ident, do_assert, do_unassert, do_sccs): Take only one
8697 (do_sccs): Define always, but alter behavior based on
8699 (_cpp_handle_directive, consider_directive_while_skipping):
8700 Restructure for new directive table layout.
8702 (pass_thru_directive): Take a directive number, not a pointer
8703 to a struct directive.
8704 (parse_include): New function, broken out of do_include.
8705 (do_include, do_import, do_include_next): Use parse_include
8706 and _cpp_execute_include.
8707 (do_elif, do_else): Test for T_ELSE specifically when checking
8708 for #elif/#else after #else.
8709 (parse_ifdef): New function, broken out of do_ifdef.
8710 (validate_else): Expect a name arg without a leading #.
8711 (if_directive_name): Delete.
8712 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
8713 directive handlers with only one argument.
8715 * cpphash.h: Update prototypes.
8716 (enum node_type): Remove entries for directives.
8717 * Makefile.in: Update dependencies.
8719 * cpphash.c (dump_hash_helper): Only dump nodes of type
8720 T_MACRO. Emit a newline after each definition.
8722 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8724 * gccbug.in: New file.
8725 * configure.in (all_outputs): Add gccbug.
8726 * Makefile.in (install-common): Install gccbug.
8727 (GCCBUG_INSTALL_NAME): New variable.
8728 * configure: Rebuilt.
8730 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
8732 * function.c (put_var_into_stack): Use type_for_mode to calculate
8733 part_type. Use MEM_SET_IN_STRUCT_P.
8734 * expr.c (store_field): Handle CONCAT.
8735 (store_constructor): Use fields_length.
8736 * tree.c (fields_length): New fn.
8737 * tree.h: Declare it.
8739 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
8741 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
8742 (cpplex.o): New target.
8743 * po/POTFILES.in: Add cpplex.c.
8745 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
8746 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
8747 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
8748 skip_block_comment, skip_line_comment, skip_comment,
8749 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
8750 _cpp_parse_name, skip_string, parse_string,
8751 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
8752 _cpp_get_directive_token, find_position,
8753 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
8754 (maybe_macroexpand, _cpp_lex_token): New functions.
8756 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
8757 parse_goto_mark): Delete.
8758 (_cpp_handle_eof): New function.
8759 (_cpp_handle_directive): Rename from handle_directive.
8760 (_cpp_output_line_command): Rename from output_line_command.
8761 (do_if, do_elif): Call _cpp_parse_expr directly.
8762 * cppfiles.c (_cpp_read_include_file): Don't call
8763 init_input_buffer here.
8764 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
8765 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
8766 here; pop the token_buffer and skip the rest of the line here.
8767 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
8770 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
8772 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
8773 CPP_GOTO_MARK): New macros.
8774 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
8775 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
8776 _cpp_read_and_prescan, _cpp_init_input_buffer,
8777 _cpp_grow_token_buffer, _cpp_get_directive_token,
8778 _cpp_handle_directive, _cpp_handle_eof,
8779 _cpp_output_line_command): Prototype them here.
8780 * cpplib.h (enum cpp_token): Add CPP_MACRO.
8781 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
8782 quote_string, output_line_command): Remove.
8784 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
8786 * stmt.c (expand_end_case): RANGE may be signed, and when checking
8787 whether it is too large we must also verify that it isn't negative.
8789 2000-03-13 Jakub Jelinek <jakub@redhat.com>
8791 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
8792 (movsi_zero_liveg0): Remove.
8793 (movsf_insn_novis_liveg0): Remove.
8795 (negsi2_not_liveg0): Rename to negsi2.
8796 (one_cmplsi2): Remove.
8797 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
8798 (one_cmplsi2_liveg0): Remove.
8799 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
8800 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
8801 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
8802 (PREDICATE_CODES): Remove zero_operand.
8803 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
8804 TARGET_BROKEN_SAVERESTORE.
8805 (zero_operand): Remove.
8806 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
8807 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
8809 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
8810 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
8811 TARGET_BROKEN_SAVERESTORE): Remove.
8812 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
8814 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
8816 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
8819 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
8821 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
8823 * cpplib.c (do_pragma_implementation): Fix off-by-one error
8824 truncating a string. Don't assume tokens are nul terminated.
8825 Problem noted by Andreas Jaeger <aj@suse.de>
8827 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
8829 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
8830 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
8831 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
8833 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
8835 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
8836 STRUCTURE_SIZE_BOUNDARY.
8838 2000-03-13 Mark Mitchell <mark@codesourcery.com>
8840 * tree.h (record_layout_info_s): New structure.
8841 (record_layout_info): New type.
8842 (new_record_layout_info): New function.
8843 (layout_field): Likewise.
8844 (finish_record_layout): Likewise.
8845 * stor-layout.c (layout_record): Remove.
8846 (new_record_layout_info): New function.
8847 (layout_field): New function, broken out from layout_record.
8848 (finalize_record_size): Likewise.
8849 (compute_record_mode): Likewise.
8850 (finalize_type_size): New function, broken out from layout_type.
8851 (finish_record_layout): Likewise.
8852 (layout_type): Use them.
8854 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
8856 * cpphash.c: Don't include version.h.
8857 (special_symbol) [case T_VERSION]: Look for the string in
8858 hp->value.cpval; don't use version_string.
8859 * cppinit.c (initialize_builtins): Set hp->value.cpval for
8860 __VERSION__ to version_string.
8861 * Makefile.in (cpphash.o): Update deps.
8863 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
8865 Convert cpplib to use libiberty/hashtab.c.
8867 * cpplib.h (struct cpp_reader): Make hashtab and
8868 all_include_files of type 'struct htab *'. Delete HASHSIZE
8869 and ALL_INCLUDE_HASHSIZE macros.
8871 * cpphash.h: Update prototypes.
8872 (struct hashnode): Remove next, prev, and bucket_hdr members.
8873 Make length a size_t. Add hash member.
8874 (struct ihash): Remove next member. Add hash member. Make
8875 name a flexible array member.
8877 * cppfiles.c: Include hashtab.h.
8878 (include_hash): Delete.
8879 (IHASHSIZE): New macro.
8880 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
8881 (cpp_included): Do the hash lookup here.
8882 (_cpp_find_include_file): Rewrite.
8883 (cpp_read_file): Put the "fake" hash entry into the hash
8884 table. Honor the control_macro, if it turns out we've seen
8885 the file before. Don't push the buffer here.
8886 (_cpp_read_include_file): Push the buffer here.
8887 (OMODES): New macro. Use it whenever we call open(2).
8889 * cpphash.c: Include hashtab.h.
8890 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
8891 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
8892 _cpp_lookup_slot): New functions.
8893 (HASHSIZE): new macro.
8894 (hashf, _cpp_install, _cpp_delete_macro): Delete.
8895 (_cpp_lookup): Use hashtab.h routines.
8897 * cppinit.c: Include hashtab.h.
8898 (cpp_reader_init): Call _cpp_init_macro_hash and
8899 _cpp_init_include_hash. Don't allocate hashtab directly.
8900 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
8901 pfile->all_include_files.
8902 (initialize_builtins): Use _cpp_make_hashnode and
8903 htab_find_slot to add hash entries.
8904 (cpp_finish): Just call _cpp_dump_macro_hash.
8905 * cpplib.c: Include hashtab.h.
8906 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
8907 create hash entries.
8908 (do_pragma_poison, do_assert): Likewise.
8909 (do_include): Don't push the buffer here. Don't increment
8910 system_include_depth unless _cpp_read_include_file succeeds.
8911 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
8913 (do_pragma_implementation): Use alloca to create copy.
8915 * Makefile.in: Update dependencies.
8917 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8919 * cppinit.c (cl_directive_handler): More K&R fixing.
8921 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
8923 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
8925 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
8927 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8929 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
8930 Change from char[] to macros.
8932 2000-03-12 Neil Booth <NeilB@earthling.net>
8934 * cppinit.c (cpp_start_read): Update indirect function
8937 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
8939 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
8942 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
8943 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
8945 2000-03-11 Neil Booth <NeilB@earthling.net>
8947 * cppinit.c (struct pending option): Replace undef with a
8948 pointer to a directive handling routine.
8949 (struct cpp_pending): Replace separate assert_ and define_
8950 lists with one directive_ list.
8951 (new_pending_define): Rename new_pending_directive. Extra
8952 argument is the directive's handling routine.
8953 (handle_option): Update to use new_pending_directive.
8955 2000-03-11 Neil Booth <NeilB@earthling.net>
8957 * cppfiles.c (file_cleanup, _cpp_find_include_file,
8958 remap_filename, _cpp_read_include_file, actual_directory,
8959 hack_vms_include_specification): Replace bcopy(), index() etc
8960 calls. Add casts to some allocations. Make some variables
8961 pointers to const [unsigned] char.
8962 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
8963 collect_formal_parameters): Similarly.
8964 * cppinit.c (struct pending_option, append_include_chain,
8965 cpp_options_init, cpp_reader_init, initialize_standard_includes,
8966 cpp_start_read, new_pending_define, handle_option): Similarly.
8967 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
8968 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
8969 do_pragma_implementation, detect_if_not_defined,
8970 do_ifdef, skip_if_group, cpp_get_token, parse_string,
8971 do_assert, do_unassert): Similarly.
8972 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
8973 function prototypes.
8974 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
8976 2000-03-10 Richard Henderson <rth@cygnus.com>
8978 * builtins.c (expand_builtin_strlen): Revert last change.
8979 Use emit_insn_before if we're at the beginning of a sequence.
8981 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
8983 * builtins.c (expand_builtin_strlen): Make sure that we have something
8984 at the beginning of the sequence.
8986 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
8989 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
8991 2000-03-10 Richard Henderson <rth@cygnus.com>
8993 * except.c (can_throw): Use INTVAL on a CONST_INT.
8994 (reachable_handlers): Likewise.
8995 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
8997 2000-03-10 Andreas Jaeger <aj@suse.de>
8999 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
9000 MD_STARTFILE_PREFIX since those are not needed on linux.
9001 (ASM_FILE_START): New, from mips/gnu.h.
9003 2000-03-09 Richard Henderson <rth@cygnus.com>
9004 Alex Samuel <samuel@codesourcery.com> and others
9006 * Makefile.in (ssa.o): New rule.
9008 (STAGESTUFF): Add *.ssa and *.ussa.
9009 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
9010 * rtl.def (PHI): New RTL expression.
9011 * rtl.h (clear_log_links): New declaration.
9012 (convert_to_ssa): Likewise.
9013 (convert_from_ssa): Likewise.
9014 * flow.c (split_edge): If the entry node falls through to the
9015 split edge's source block, split the entry edge.
9016 (clear_log_links): New function.
9017 * toplev.c (ssa_dump): New variable.
9018 (flag_ssa): Likewise.
9019 (f_options): Add "ssa".
9020 (compile_file): Create SSA dump files.
9021 (rest_of_compilation): Go to and from SSA if enabled.
9022 (decide_d_option): Handle -de for SSA dump files.
9025 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
9027 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
9030 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
9032 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
9034 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
9036 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
9037 (MD_STARTFILE_PREFIX_1): New macro.
9039 2000-03-09 Robert Lipe <robertl@sco.com>
9041 * config/ia64/ia64.c: Include system.h.
9043 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
9045 * except.c (nothrow_function_p): If -fno-exceptions, just return.
9046 (init_eh_nesting_info): Likewise.
9048 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
9049 (TREE_NOTHROW): Rename from TREE_RAISES.
9050 * toplev.c (rest_of_compilation): Set it.
9051 * print-tree.c (print_node): Adjust.
9052 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
9053 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
9054 * calls.c (emit_call_1): Add 'nothrow' parm. Add
9055 REG_EH_REGION note as appropriate.
9056 (libfunc_nothrow): New fn.
9057 (emit_library_call, emit_library_call_value): Use it.
9058 (expand_call): Check TREE_NOTHROW.
9060 * varasm.c (make_decl_rtl): Skip initial '*' when setting
9061 DECL_ASSEMBLER_NAME.
9063 2000-03-09 Andreas Jaeger <aj@suse.de>
9065 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
9066 (TARGET_MEM_FUNCTIONS): Define.
9068 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
9070 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
9072 * except.c (can_throw): See through a SEQUENCE.
9073 (nothrow_function_p): New fn.
9074 * except.h: Declare it.
9075 * function.c (current_function_nothrow): New var.
9076 (prepare_function_start): Initialize it.
9077 * output.h: Declare it.
9078 * toplev.c (rest_of_compilation): Set it.
9079 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
9081 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
9083 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
9084 match. (cpp_compare_defs): Count the nul separator when
9085 advancing over argument names.
9087 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
9089 * recog.c (preprocess_constraints): Matching constraints affect
9090 same alternative/different operand, not same operand/different
9093 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
9094 register and a constant specially.
9096 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9098 * libgcc2.h: New file.
9099 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
9101 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
9103 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
9104 * configure: Regenerate.
9107 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
9109 * Makefile.in (LIBCPP_DEPS): New macro.
9110 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
9112 * cpperror.c: Include cpphash.h.
9113 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
9115 (lex): Don't use CPP_WARN_UNDEF.
9116 (_cpp_parse_expr): Return an int, the truth value.
9117 * cppfiles.c: Include cpphash.h.
9118 (_cpp_merge_include_chains): Move to cppinit.c and make static.
9119 * cppinit.c (include_defaults_array): Disentangle.
9120 (cpp_cleanup): Don't free the if stack here.
9121 (cpp_finish): Pop off all buffers, not just one.
9122 * cpplib.c (eval_if_expr): Return int.
9123 (do_xifdef): Rename do_ifdef.
9124 (handle_directive): Don't use CPP_PREPROCESSED.
9125 (cpp_get_token): Don't use CPP_C89.
9126 * fix-header.c: Don't use CPP_OPTIONS.
9128 * cpplib.h: Move U_CHAR, enum node_type, struct
9129 file_name_list, struct ihash, is_idchar, is_idstart,
9130 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
9131 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
9132 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
9133 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
9134 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
9135 of _cpp_simplify_pathname, _cpp_find_include_file,
9136 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
9137 Move struct if_stack to cpplib.c. Move struct cpp_pending to
9139 Change all uses of U_CHAR to be unsigned char instead.
9140 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
9142 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
9144 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
9145 (dwarf2out_begin_prologue): Set it.
9146 (output_call_frame_info): Don't emit EH unwind info for leaves.
9148 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
9149 can occur outside of an EH region.
9150 * except.c: Correct comments about rethrow behavior.
9151 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
9153 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
9155 * flow.c (make_edges): Always call make_eh_edge for calls.
9157 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
9159 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
9160 (struct cpp_buffer): Remove fname and underflow fields.
9161 (struct cpp_reader): Remove get_token field.
9162 (struct include_hash): Rename to struct ihash. Add typedef to
9164 (struct if_stack): Remove fname field.
9165 (IF_STACK_FRAME): Rename to IF_STACK.
9167 * cpperror.c (print_containing_files): Trust that there are no
9168 macro buffers below the top file buffer.
9169 * cppfiles.c: Replace all references to 'struct include_hash'
9170 with 'IHASH'. Rename initialize_input_buffer to
9171 init_input_buffer. Don't set or reference cpp_buffer->fname,
9172 use buffer->ihash->name instead.
9173 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
9174 not CPP_NULL_BUFFER.
9175 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
9176 IF_STACK_FRAME, IHASH not struct include_hash.
9177 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
9178 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
9179 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
9180 references to cpp_buffer->fname (delete entirely, or use
9181 ->ihash->name instead) and IF_STACK->fname.
9182 (cpp_push_buffer): Don't set new->underflow.
9183 (do_include): Use cpp_file_buffer.
9185 * cpphash.c (collect_formal_parameters): Remove duplicate
9186 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
9187 used as a macro argument name. Don't append "..." to namebuf
9188 for varargs macros. After we're done scanning, go through
9189 namebuf and make it NUL separated, not comma separated.
9190 (_cpp_compare_defs): Remove register tag from variables.
9191 Expect defn->argnames to be NUL separated.
9192 (_cpp_dump_definition): Expect defn->argnames to be NUL
9193 separated and in forward order.
9194 * cpphash.h: Update documentation of argnames field.
9196 2000-03-08 Richard Henderson <rth@cygnus.com>
9198 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
9199 to fail. Don't pre-expand the source operand.
9201 * i386.md (strlensi): Initialize eoschar and align before use.
9203 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
9205 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
9206 CONSTRUCTOR element.
9208 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
9210 * mips.c (mips_expand_prologue): If the last
9211 named argument is the vararg marker "va_list", treat it as
9212 an unnamed argument.
9214 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
9216 * dbxout.c (dbxout_parms): When correcting for promoted
9217 big-endian parameters, use the mode of the DECL_RTL rather
9218 than UNITS_PER_WORD.
9220 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
9222 * c-common.h (make_fname_decl): Declare.
9223 * c-common.c (make_fname_decl): Define.
9224 (declare_hidden_char_array): Remove.
9225 (declare_function_name): Use make_fname_decl.
9226 * c-decl.c (c_make_fname_decl): New function.
9227 (init_decl_processing): Set make_fname_decl.
9229 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
9231 * cccp.c (handle_directive): Initialize backslash_newlines_p.
9233 2000-03-07 Philipp Thomas <pthomas@suse.de>
9235 * po/POTFILES.in: Remove cppalloc.c from file list.
9237 2000-03-07 Steve Chamberlain <sac@pobox.com>
9239 * pj.c (pj_expand_prologue): current_function->args_info is
9240 now current_function_args_info.
9242 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
9243 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
9244 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
9246 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9248 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
9249 output as hexadecimal rather than the default octal.
9251 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
9253 * cpphash.c (special_symbol): Fix thinko in previous commit.
9255 2000-03-07 Neil Booth <NeilB@earthling.net>
9257 * cppexp.c (struct operation, left_shift, right_shift,
9258 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
9259 "int"s to "unsigned int"s.
9260 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
9262 * cpplib.h: Update for above.
9263 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
9264 returned from allocations.
9266 * cppinit.c (opt_comp, parse_options): New functions.
9267 (handle_option): Use parse_option to parse a single command
9268 line option, that possibly takes an argument.
9269 (cpp_handle_options): Sort the array of command line options on
9270 first invocation (non-ASCII hosts only).
9271 (print_help): Update.
9273 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
9275 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
9276 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
9278 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
9280 * cppinit.c (cpp_cleanup): Free imp->nshort also.
9282 * cpperror.c (cpp_print_containing_files,
9283 cpp_print_file_and_line, v_cpp_message): Rename to
9284 print_containing_files, print_file_and_line, and v_message.
9285 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
9286 to _cpp_parse_expr, parse_escape, and lex.
9287 (parse_charconst): Remove broken multibyte support.
9288 * cppfiles.c (include_hash): Make static.
9289 (cpp_included): New function.
9290 (merge_include_chains, find_include_file, finclude,
9291 simplify_pathname): Rename to _cpp_merge_include_chains,
9292 _cpp_find_include_file, _cpp_read_include_file, and
9293 _cpp_simplify_pathname.
9294 * cpphash.c (cpp_lookup, free_definition, delete_macro,
9295 cpp_install, create_definition, macroexpand, compare_defs,
9296 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
9297 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
9298 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
9299 * cppinit.c (cpp_handle_option): Rename to handle_option, make
9301 * cpplib.c: Remove extern prototype of cpp_parse_expr.
9303 * cpphash.h: Update prototypes.
9304 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
9306 2000-03-07 Andrew Haley <aph@cygnus.com>
9308 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
9309 PTRDIFF_TYPE should be based solely on Pmode.
9312 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9314 * rtl.h (rtunion_def): Constify member `rtstr'.
9315 (emit_line_note_after, emit_line_note, emit_line_note_force,
9316 emit_note, decode_asm_operands): Constify.
9318 * cse.c (canon_hash): Likewise.
9320 * dbxout.c (dbxout_block): Likewise.
9322 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
9323 v_warning_for_asm): Likewise.
9325 * dwarfout.c (function_start_label): Likewise.
9327 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
9328 emit_line_note_force): Likewise.
9330 * final.c (last_filename, asm_insn_count, final_scan_insn,
9331 output_source_line): Likewise.
9333 * function.h (struct emit_status): Likewise.
9335 * gcse.c (hash_expr_1): Likewise.
9337 * genattr.c (gen_attr, main): Likewise.
9339 * genattrtab.c (struct function_unit, current_alternative_string,
9340 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
9341 attr_numeral, check_attr_test, check_attr_value,
9342 convert_set_attr_alternative, convert_set_attr,
9343 compute_alternative_mask, simplify_by_exploding, gen_attr,
9344 gen_unit): Likewise.
9346 * genflags.c (gen_insn): Likewise.
9348 * gengenrtl.c (type_from_format): Likewise.
9350 * genopinit.c (gen_insn): Likewise.
9352 * genoutput.c (n_occurrences, process_template, process_template):
9355 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
9358 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
9361 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
9362 ggc_set_mark, ggc_get_size): Likewise.
9364 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
9366 * optabs.c (init_one_libfunc): Likewise.
9368 * output.h (assemble_start_function): Likewise.
9370 * recog.c (decode_asm_operands): Likewise.
9372 * toplev.c (rest_of_compilation): Likewise.
9374 * tree.h (emit_line_note_after, emit_line_note,
9375 emit_line_note_force): Likewise.
9377 * varasm.c (asm_output_bss, asm_output_aligned_bss,
9378 asm_emit_uninitialised, assemble_start_function,
9379 assemble_variable, const_hash, compare_constant_1,
9380 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
9382 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
9384 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
9386 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
9388 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
9390 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
9391 arm_dllimport_name_p): Likewise.
9393 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
9396 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
9398 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9400 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
9401 arm_mark_dllexport, arm_mark_dllimport,
9402 arm_pe_encode_section_info): Likewise.
9404 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
9405 ASM_FINISH_DECLARE_OBJECT): Likewise.
9407 * arm/thumb.c (thumb_function_prologue): Likewise.
9409 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
9411 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9413 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
9415 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
9417 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
9419 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9421 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
9422 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
9424 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
9426 * i386/i386.c (asm_output_function_prefix): Likewise.
9428 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
9430 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9432 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
9434 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
9435 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
9436 ASM_OUTPUT_SECTION_NAME): Likewise.
9438 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
9440 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
9442 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
9444 * m32r/m32r.c (m32r_encode_section_info): Likewise.
9446 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9448 * mcore/mcore.c (mcore_encode_section_info): Likewise.
9450 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9452 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9454 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9456 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
9458 * mips/mips.md (movdi, movsi): Likewise.
9460 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9462 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9464 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9466 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
9467 ASM_OUTPUT_ASCII): Likewise.
9469 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
9470 output_mi_thunk, output_toc): Likewise.
9472 * rs6000/rs6000.md (movsi): Likewise.
9474 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
9476 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
9478 * v850/v850.c (print_operand, print_operand_address,
9479 v850_encode_data_area): Likewise.
9481 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
9483 * config/mips/mips.md (zero_extendsidi2): Always force operand
9484 one to memory for mips16.
9486 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9488 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
9489 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
9490 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
9491 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
9492 (min_precision): Result is unsigned.
9493 (add_double, neg_double, mul_double): Low word is unsigned.
9494 (lshift_double, rshift_double, lrotate_double): Likewise.
9495 (rrotate_double, div_and_round_double): Likewise.
9496 (tree_floor_log2, compare_tree_int): New functions.
9497 (preserve_rtl_expr_temps): New declaration.
9498 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
9499 (decl_attributes): Use tree_log2 to find alignment.
9500 Check for TREE_INT_CST_HIGH for format args.
9501 (min_precision): Now unsigned.
9502 Use tree_floor_log2.
9503 (truthvalue_conversion): Delete long-disabled code.
9504 * c-decl.c (finish_struct): Clean up tests on field width.
9505 (finish_function): Use compare_tree_int.
9506 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
9507 * c-typeck.c (comptypes): Use tree_int_cst_equal.
9508 (default_conversion, digest_init): Use compare_tree_int.
9509 (build_binary_op): Use integer_all_onesp and compare_tree_int.
9510 Fix type errors in forming masks.
9511 * calls.c (initialize_argument_information): Use compare_tree_int.
9512 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
9513 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
9514 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
9515 (store_field): Use compare_tree_int.
9516 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
9517 (expand_expr, case ARRAY_REF): Use compare_tree_int.
9518 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
9519 (do_store_flag): Use compare_tree_int.
9520 * fold-const.c (encode, decode): Low part is always unsigned.
9521 (force_fit_type, add_double, neg_double, mul_double): Likewise.
9522 (lshift_double, rshift_double, lrotate_double): Likewise.
9523 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
9524 (fold_convert): Use compare_tree_int.
9525 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
9526 (invert_truthvalue, case INTEGER_CST): Likewise.
9527 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
9528 * mkdeps.c (deps_dummy_targets): Make I unsigned.
9529 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
9530 (lshift_double, rshift_double, lrotate_double, rrotate_double):
9532 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
9533 (expand_end_case): Use compare_tree_int.
9534 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
9535 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
9536 (layout_decl): Likewise.
9537 (layout_record, layout_union): Make sizes unsigned.
9538 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
9539 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
9540 * tree.c (struct type_hash): hashcode is unsigned.
9541 (build_type_attribute_variant, type_hash_list): Likewise.
9542 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
9543 (attribute_hash_list, build_array_type, build_method_type): Likewise.
9544 (build_complex_type): Likewise.
9545 (real_value_from_int_cst): Remove unneeded casts.
9546 (integer_all_onesp): Add casts.
9547 (tree_floor_log2, compare_tree_int): New functions.
9548 (build_index_type): Use tree_int_cst_sgn.
9549 * varasm.c (assemble_variable): Use compare_tree_int.
9551 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
9553 * cpphash.c (collect_expansion): Also catch ## at start of macro.
9555 * varasm.c (make_decl_rtl): Don't add a number to members of
9557 (make_function_rtl): Likewise.
9559 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9561 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
9562 patch from 2000-01-28.
9564 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
9566 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
9567 filled with an insn from the jump target.
9569 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9571 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
9572 (c4x_external_ref): Likewise.
9573 * config/c4x/c4x.c (struct name_list): Likewise.
9575 1999-12-16 Ben Collins <bcollins@debian.org>
9577 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
9578 argument to genmultilib.
9579 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
9580 the contents into the multilib.h header.
9581 * gcc.c: Declare multilib_exclusions for the specs file.
9582 (set_multilib_dir): Use it.
9583 (print_multilib_info): Likewise.
9584 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
9585 to pass to genmultilib.
9587 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9589 * builtins.c (built_in_class_names, built_in_names): Constify a
9592 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
9594 (_mcleanup): Ensure value matches format specifier in sprintf.
9596 * cpphash.c (special_symbol): Don't needlessly cast away
9599 * cppinit.c (base_name): Delete unused prototype.
9601 * mkdeps.c (deps_init): Make definition K&R safe.
9603 * tree.h (built_in_class_names, built_in_names): Constify a
9606 2000-03-06 Jakub Jelinek <jakub@redhat.com>
9608 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
9609 floating point instructions for epilogue delay.
9611 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
9612 to gas if it supports .register pseudo.
9614 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
9615 LONG_DOUBLE_TYPE_SIZE if not defined.
9616 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
9617 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
9619 * gengenrtl.c: Likewise.
9620 * print-rtl.c: Likewise.
9622 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
9623 MASK_LONG_DOUBLE_128.
9624 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
9625 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
9626 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
9627 (SUBTARGET_SWITCHES): Define.
9628 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
9629 with -mlong-double-128.
9630 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
9631 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
9632 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
9633 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
9634 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
9635 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
9636 with -mlong-double-128.
9637 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
9638 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
9639 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
9640 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
9641 TARGET_LONG_DOUBLE_128): Define.
9642 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
9643 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
9644 long double on TARGET_ARCH64.
9646 2000-03-06 Mark Mitchell <mark@codesourcery.com>
9648 * function.c (free_temps_for_rtl_expr): Don't free slots
9649 that have been pushed into a higher level.
9652 2000-03-05 Mark Mitchell <mark@codesourcery.com>
9654 2000-03-05 Mark Mitchell <mark@codesourcery.com>
9656 * basic-block.h (ALLOCA_REG_SET): Remove.
9657 (INITIALIZE_REG_SET): New macro.
9658 * flow.c (update_life_info): Use it.
9659 (calculate_global_regs_live): Likewise.
9660 (propagate_block): Likewise.
9661 * global.c (build_insn_chain): Likewise.
9662 * haifa-sched.c (schedule_region): Likewise.
9664 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
9666 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
9667 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
9668 (DWARF_ARANGES_PAD_SIZE): New define.
9669 (output_aranges): Use it to pad the address range header.
9670 (DWARF_ROUND): Fix for non power of 2 rounding.
9672 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
9674 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
9676 2000-03-05 Mark Mitchell <mark@codesourcery.com>
9678 * tree.def (RTL_EXPR): Update documentation.
9679 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
9680 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
9681 * function.c (preserve_rtl_expr_temp): New function.
9682 (preserve_rtl_expr_temps): Likewise.
9683 (preserve_rtl_expr_result): Use it.
9686 2000-03-04 Mark Mitchell <mark@codesourcery.com>
9688 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
9690 * regmove.c (copy_src_to_dest) Do not create src->dest move
9691 for unchanging destination.
9693 2000-03-04 Mark Mitchell <mark@codesourcery.com>
9695 * function.h (struct sequence_stack): Remove rtl_expr.
9696 (struct emit_staus): Likewise.
9697 (seq_rtl_expr): Remove.
9698 * tree.h (free_temps_for_rtl_expr): Don't declare.
9699 (start_sequence_for_rtl_expr): Likewise.
9700 * rtl.h (preserve_rtl_expr_result): Likewise.
9701 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
9702 (start_sequence_for_rtl_expr): Remove.
9703 (push_topmost_sequence): Don't save sequence_rtl_expr.
9704 (pop_topmost_sequence): Remove comment about not restoring it.
9705 (end_sequence): Don't set seq_rtl_expr.
9706 (init_emit): Don't initialize it.
9707 (mark_sequence_stack): Don't mark it.
9708 (mark_emit_status): Likewise.
9709 * except.c (protect_with_terminate): Use
9710 start_sequence_for_rtl_expr, not start_sequence.
9711 * expr.c (expand_expr, case RTL_EXPR): Don't call
9712 preserve_rtl_expr_result or free_temps_for_rtl_expr.
9713 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
9714 (preserve_rtl_expr_result): Remove.
9715 (free_temps_for_rtl_expr): Likewise.
9716 (pop_temp_slots): Likewise.
9717 (mark_temp_slot): Don't mark the rtl_expr.
9718 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
9719 start_sequence_for_rtl_expr.
9721 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
9723 * mkdeps.c, mkdeps.h: New files.
9724 * po/POTFILES.in: Add them.
9725 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
9726 (cpplib.o, cppinit.o): Depend on mkdeps.h.
9727 (mkdeps.o): New target.
9729 * cppfiles.c: Delete deps_output.
9730 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
9731 OBJECT_SUFFIX, and base_name.
9732 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
9734 (initialize_dependency_output): Use deps_init,
9735 deps_add_target, deps_calc_target, and deps_add_dep. Remove
9736 all the unnecessary string bashing.
9737 (cpp_finish): Use deps_write. Remove an unnecessary nesting
9739 * cpplib.c (do_include): Use deps_add_dep.
9740 * cpplib.h (struct cpp_reader): Replace deps_buffer,
9741 deps_allocated_size, deps_size, deps_column members with
9742 single pointer to a struct deps. Delete prototype of
9745 * cppinit.c: Fix thinko in previous patch.
9747 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9749 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
9750 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
9751 (mode_for_size_tree): New function.
9752 (layout_decl, layout_type): Call it and clean up BLKmode checks.
9753 * tree.h (mode_for_size_tree): New declaration.
9755 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
9757 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
9759 * stmt.c (is_body_block): Move...
9760 * dwarfout.c, dwarf2out.c: ...from here.
9761 * tree.h: Declare it.
9762 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
9763 * final.c (final_start_function): Do call remove_unnecessary_notes
9766 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
9768 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
9770 * cpplib.h (_dollar_ok): New macro.
9771 (is_idchar, is_idstart): Use it.
9772 (IStable): Rename to _cpp_IStable. Declare it const if
9773 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
9774 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
9775 is_space): Update for renamed IStable.
9777 * cppinit.c: Delete all references to FAKE_CONST and CAT
9778 macros. Define init_IStable as empty macro if gcc >=2.7 or
9779 C99. Change TABLE() to ISTABLE and hardcode name of table.
9780 (cpp_start_read): Don't change the IStable based on
9783 * cpphash.c (unsafe_chars): Add pfile argument. All callers
9784 changed. Handle '$' for char1 correctly.
9785 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
9787 * cppexp.c (tokentab2): Make const.
9788 (cpp_lex): Make toktab const.
9789 * cppinit.c (include_defaults_array): Make const.
9790 (initialize_standard_includes): Make default_include const.
9792 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
9794 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
9795 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
9796 (gen_decl_die): Likewise.
9797 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
9798 (output_decl): Likewise.
9800 * varasm.c (make_function_rtl): If we change the name used in the
9801 rtl, update DECL_ASSEMBLER_NAME accordingly.
9802 (make_decl_rtl): Likewise.
9804 * toplev.c (rest_of_compilation): Tweak formatting.
9806 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
9807 remove_unnecessary_notes.
9808 (debug_ignore_block): New fn.
9809 * toplev.h: Declare it.
9810 * emit-rtl.c (remove_unncessary_notes): Call it.
9811 * dwarf2out.c (dwarf2out_ignore_block): New fn.
9812 * dwarf2out.h: Declare it.
9813 * final.c (final_start_function): Don't call remove_unnecessary_notes
9814 if we did insn scheduling.
9816 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
9818 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
9819 * cpplib.h: Delete SET_CPP_PEDANTIC.
9821 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9823 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
9824 result is a RECORD_TYPE.
9826 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
9828 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
9830 2000-03-03 Richard Henderson <rth@cygnus.com>
9832 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
9833 addition over compliments over shifts.
9835 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9837 * reload1.c (reload_combine_note_use): Handle return register USEs.
9838 REG case: Handle multi-hard-register hard regs.
9840 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9842 * md.texi: Document use of '*' in insn pattern name.
9844 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
9846 * calls.c (special_function_p): operator new may not be malloc-like.
9848 * gcse.c (dump_hash_table): Really fix error in last change.
9850 2000-03-02 Denis Chertykov <denisc@overta.ru>
9852 * avr.c (print_operand): Use print_operand_address instead of
9854 * avr/libgcc.S: Cleanup code.
9856 2000-03-02 Richard Henderson <rth@cygnus.com>
9858 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
9860 2000-03-02 Mark Mitchell <mark@codesourcery.com>
9862 * tree.h (TYPE_ALIGN_UNIT): New macro.
9864 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
9866 * i386.c: (constant_call_address_operand): Reject CONST_INT.
9868 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
9870 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
9872 (SET_CPP_PEDANTIC): New macro.
9873 * cpplib.c (do_include): Don't bother checking system_header_p.
9874 (do_warning, do_ident, do_assert, do_unassert): Likewise.
9875 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
9877 * function.h (struct expr_status): Add x_arg_space_so_far.
9878 (arg_space_so_far): New macro.
9879 * expr.c (init_expr): Initialize it.
9880 * calls.c (emit_call_1): Reset it.
9881 (compute_argument_block_size, expand_call): Use it.
9882 (expand_call, store_one_arg): Increment it.
9884 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9886 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
9889 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
9891 * cppfiles.c (cpp_read_file): New function.
9893 * cpphash.c (collect_expansion): Make sure to reset last_token
9894 to NORM when we hit a string. Handle trailing whitespace
9895 properly when the expansion is empty.
9896 (create_definition): Disable line commands while parsing the
9898 (dump_definition): If pfile->lineno == 0, output a line
9899 command ahead of the dump, and add a trailing newline.
9901 * cppinit.c (append_include_chain): Add fifth argument, which
9902 indicates whether or not system headers are C++ aware.
9903 (initialize_standard_includes): New function,
9904 broken out of read_and_prescan. Pass 'cxx_aware' value from
9905 the include_defaults_array on to append_include_chain.
9906 (dump_special_to_buffer): Const-ify char array.
9907 (builtin_array): Don't dump __BASE_FILE__.
9908 (cpp_start_read): Use cpp_read_file. Reorder code for
9909 clarity. Don't output line commands here for -D/-A/-U
9910 switches. Don't call deps_output for files included with
9911 -include or -imacros.
9913 * cpplib.c (do_define): Don't pay any attention to the second
9915 (cpp_expand_to_buffer): Disable line commands while scanning.
9916 (output_line_command): Work in the file buffer.
9917 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
9918 Fix formatting of comments. Prototype cpp_read_file.
9920 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9922 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
9923 reference the language-equivalent of sizetype.
9924 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
9925 * fold-const.c (size_binop, size_diffop): Put back checks.
9926 * gcse.c (dump_hash_table): Fix minor error in last change.
9927 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
9928 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
9931 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
9933 * calls.c (expand_call) Do not attempt to combine stack adjustments
9934 with inhibit_defer_pop set.
9936 2000-03-01 Mark Mitchell <mark@codesourcery.com>
9938 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
9939 the DECL_SIZE for a FIELD_DECL.
9941 2000-03-01 Bruce Korb <bkorb@gnu.org>
9943 * fixinc/inclhack.tpl: remove unused symlinks
9944 * fixinc/README: GCC Maintainer info
9945 * fixinc/inclhack.sh: regen
9946 * fixinc/fixincl.sh: regen
9948 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
9950 * cpphash.c (collect_expansion): Trim trailing white space
9951 from macro definitions, but don't go past the last insertion
9954 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
9956 * i386.md (mulqi3): New pattern.
9958 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
9960 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
9962 (struct cpp_reader): Add parsing_if_directive and
9963 parsing_define_directive flags.
9964 (struct cpp_options): Remove output_conditionals flag.
9965 (check_macro_name): Delete prototype.
9967 * cpphash.h (struct macrodef): Delete.
9968 (struct reflist): Separate from struct definition.
9969 (struct definition): Remove unused fields. Add column number.
9970 (create_definition): Returns a DEFINITION *. Takes a
9971 cpp_reader * and an int.
9973 * cpphash.c (SKIP_WHITE_SPACE): Delete.
9974 (PEEKC): Copy defn from cpplib.c.
9975 (rest_extension, REST_EXTENSION_LENGTH): Delete.
9977 (struct arglist): Simplify.
9978 (collect_expansion): Rewrite. Get tokens by calling
9979 cpp_get_token. Add more error checking.
9980 (collect_formal_parameters): New function, broken out of
9981 create_definition and reworked to use get_directive_token.
9982 (create_definition): All real work is now in collect_expansion
9983 and collect_formal_parameters. do_define handles finding the
9984 macro name. Return a DEFINITION, not a MACRODEF.
9985 (macroexpand): Replace bcopy with memcpy throughout. Replace
9986 character-at-a-time copy loop with memcpy and pointer increments.
9987 (compare-defs): d1->argnames / d2->argnames might be null.
9989 * cpplib.c (copy_rest_of_line): Delete function.
9990 (skip_rest_of_line): Do all the work ourselves.
9991 (skip_string): New function.
9992 (parse_string): Use skip_string.
9993 (get_macro_name): New function.
9994 (check_macro_name): Delete.
9995 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
9996 (cpp_skip_hspace): Use CPP_BUMP_LINE.
9997 (handle_directive): ICE if we're called on a macro buffer.
9998 (do_define): Determine macro name and type (funlike/objlike)
9999 here. Expunge all uses of MACRODEF.
10000 (cpp_push_buffer): Set line_base to NULL.
10001 (do_undef, read_line_number): Don't worry about getting a POP token.
10002 (eval_if_expression): Set/reset parsing_if_directive around
10003 cpp_parse_expr. Don't clear only_seen_white.
10004 (skip_if_group): Remove output_conditionals logic. Use
10006 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
10007 tokens under appropriate conditions.
10008 (cpp_unassert): Call do_unassert not do_assert. Oops.
10010 * cppexp.c (parse_defined): New function, break out of
10012 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
10013 ourselves, with cpp_defined.
10014 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
10016 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
10017 * gcc.dg/strpaste-2.c: New.
10019 2000-02-29 Mark Mitchell <mark@codesourcery.com>
10021 * fold-const.c (size_binop): Don't asert inputs are the same and
10022 have TYPE_IS_SIZETYPE set.
10023 (size_diffop): Likewise.
10025 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
10027 * dwarfout.c (output_block): Output abstract blocks even if they
10028 don't have TREE_ASM_WRITTEN set.
10030 * calls.c (emit_library_call): Check for null REG.
10032 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
10034 * c-decl.c (current_function_decl): Move to toplev.c.
10035 (init_decl_processing): Don't add current_function_decl as a ggc
10037 * dbxout.c (dbxout_symbol): Change return type to int.
10038 (dbxout_symbol_location, dbxout_syms): Likewise.
10039 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
10040 any locals. Use current_function_func_begin_label if set.
10041 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
10042 * dwarf2out.c (dwarf2out_begin_prologue): Set
10043 current_function_func_begin_label.
10044 * final.c (final_start_function): Reset it.
10045 * toplev.c (current_function_decl): Define it here.
10046 (current_function_func_begin_label): New variable.
10047 (main): Add both as ggc roots.
10048 * tree.h (current_function_func_begin_label): Declare.
10050 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10052 * gcse.c: Cleanups throughout: mostly white-space, but also
10053 some minor rearrangement of code.
10055 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
10057 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
10058 returns a PARALLEL. Use emit_group_load and use_group_regs
10060 (emit_library_call_value): Similarly.
10062 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
10063 * pa/quadlib.asm: Remove.
10064 * pa/quadlib.c: New file.
10066 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
10067 * configure: Rebuilt.
10069 2000-02-29 Philip Blundell <pb@futuretv.com>
10071 * config/arm/conix-elf.h: New file.
10072 * configure.in (arm*-*-conix*): New configuration.
10073 * configure: Regenerate.
10075 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
10077 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
10078 don't have TREE_ASM_WRITTEN set.
10080 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10082 * Eliminate DECL_FIELD_SIZE.
10083 * builtins.c (built_in_class_names, built_in_names): New variables.
10084 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
10085 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
10086 DECL_SIZE, not DECL_FIELD_SIZE.
10087 * print-tree.c (print_node): Remove code that prints extra blank
10088 lines in some cases.
10089 Properly handle inline and builtin function cases.
10090 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
10091 * tree.h (built_in_class_named, built_in_names): New declarations.
10092 (union tree_decl): Rename internal unions to u1 and u2 and change
10093 some of their components.
10094 Add new field built_in_class.
10095 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
10096 Reflect above changes.
10097 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
10098 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
10099 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
10100 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
10102 2000-02-28 Dmitri Makarov <dim@windriver.com>
10104 * extend.texi: Document ARM's support for long/short calls.
10106 * invoke.texi: Document ARM's -mlong-calls command line switch.
10108 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
10109 (arm_encode_call_attribute): Add prototype.
10110 (arm_set_default_type_attribute): Add prototype.
10111 (arm_strip_name_encoding): Add prototype.
10113 * config/arm/arm.c (arm_init_cumulative_args): replace
10114 initialisation og 'long_calls' field with initialisation of
10115 'call_cookie' field.
10116 (enum arm_pragma_enum): New enum.
10117 (arm_pragma_long_calls): New static variable.
10118 (arm_process_pragma): Also process "#pragma long_calls_off".
10119 (arm_valid_type_attribute_p): Accept short_call attribute.
10120 (arm_comp_type_attributes): Check long/short call attributes.
10121 (arm_encode_call_attribute): New function: Encode long_call
10122 or short_call attribute in function name.
10123 (arm_set_default_type_attributes): New function: Assign
10124 default attributes to newly defined type.
10125 (current_file_function_operand): New function: Return true if
10126 the symbol is a function which has already been compiled.
10127 (arm_is_longcall_p): New function: Return true if the
10128 indicated function should be called via a long call.
10129 (arm_get_strip_length): New function. Returns number of
10130 prefix characters to be stripped from a function's name.
10131 (arm_strip_name_encoding): New function. Strip prefix characters
10132 from a function's name.
10134 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
10135 with 'call_cookie'.
10136 (SHORT_CALL_FAG_CHAR): Define.
10137 (LONG_CALL_FAG_CHAR): Define.
10138 (ENCODED_SHORT_CALL_ATTR_P): Define.
10139 (ENCODED_LONG_CALL_ATTR_P): Define.
10140 (ARM_NAME_ENCODING_LENGTHS): Define.
10141 (STRIP_NAME_ENCODING): Define.
10142 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
10143 (ARM_ENCODE_CALL_TYPE): Define.
10144 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
10145 (ARM_DECLARE_FUNCTION_SIZE): Define.
10146 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
10148 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
10149 if a long call is needed.
10150 (call_value): Ditto.
10151 (call_symbol): Ditto.
10153 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
10154 ARM_DECLARE_FUNCTION_SIZE.
10156 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
10157 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
10158 (ARM_STRIP_NAME_ENCODING): Undefine.
10159 (STRIP_NAME_ENCODING): Undefine.
10160 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
10161 (ASM_DECLARE_FUNCTION_NAME): Ditto.
10162 (ASM_OUTPUT_COMMON): Ditto.
10163 (ASM_DECLARE_OBJECT_NAME): Ditto.
10165 * config/arm/pe.c (arm_dllexport_name_p): Check for
10167 (arm_dllimport_name_p): Ditto.
10168 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
10169 (arm_mark_dllimport): Ditto.
10171 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10173 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
10175 2000-02-28 Mark Mitchell <mark@codesourcery.com>
10177 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
10179 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
10181 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
10182 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
10183 NO_BUILTIN_WCHAR_TYPE is not defined.
10184 (CPP_WCHAR_TYPE): Delete.
10185 * cccp.c (main): Don't change wchar_type if cplusplus.
10186 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
10188 2000-02-28 Nick Clifton <nickc@cygnus.com>
10190 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
10192 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
10194 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
10195 (ASM_WEAKEN_LABEL): Define.
10197 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
10199 * expr.c (store_constructor): Do not emit USE.
10200 * rtl.h (stupid_life_analysis): Remove.
10202 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10204 * function.c (number_blocks): Reset next_block_index based on
10205 what debugging format is used, not what is defined.
10207 * lcm.c: Minor reformatting throughout.
10208 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
10210 * toplev.c (rest_of_compilation): Account for time in
10211 optimize_mode_switching.
10213 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
10214 if only marking labels.
10216 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
10218 * calls.c (expand_call): Attempt to combine stack adjustments with
10219 pending stack adjustments.
10221 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10223 * loop.c (reg_in_basic_block_p): Don't abort when falling through
10224 to the end of the function.
10226 2000-02-27 Mark Mitchell <mark@codesourcery.com>
10228 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
10230 * final.c (next_block_index): Remove.
10231 (max_block_depth): Likewise.
10232 (pending_blocks): Likewise.
10233 (init_final): Don't initialize them.
10234 (final_start_function): Don't set next_block_index. Set up
10236 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
10237 * function.h (number_blocks): New function.
10238 * function.c (get_block_vector): New function.
10239 (identify_blocks): Use it.
10240 (reorder_blocks): Set NOTE_BLOCK.
10241 (number_blocks): New function.
10242 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
10243 * tree.h (BLOCK_NUMBER): New macro.
10244 (tree_block): Add block_num field.
10245 * dbxout.c (next_block_number): Remove.
10246 (dbxout_init): Don't set it.
10247 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
10248 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
10250 * toplev.c (rest_of_compilation): Always call
10251 find_loop_tree_blocks. Fix indentation.
10252 * dwarf2out.c (next_block_number): Remove.
10253 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
10254 to determine block numbers.
10255 (gen_inlined_subroutine_die): Likewise.
10256 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
10257 (decls_for_scope): Don't increment next_block_number.
10258 * dwarfout.c (next_block_number): Remove.
10259 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
10260 to determine block numbers.
10261 (output_inlined_subroutine_die): Likewise.
10262 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
10263 (output_decls_for_scope): Don't increment next_block_number.
10264 * sdbout.c (next_block_number): Remove.
10265 (sdbout_block): Use BLOCK_NUMBER.
10266 (sdbout_begin_block): Simplify.
10267 * xcoffout.c (next_block_number): Remove.
10268 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
10269 (xcoffout_begin_block): Don't set next_block_number.
10270 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
10273 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10275 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
10276 (expand_builtin_strcpy): Pass correct type to size_binop.
10277 (expand_builtin_strcmp): Likewise.
10278 Clean up conditional structure.
10279 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
10280 (complete_array_type): Don't use size_binop for MAXINDEX.
10281 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
10282 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
10283 (c_alignof): Use size_one_node.
10284 (build_unary_op): Pass arg of proper type to size_binop.
10285 (really_start_incremental_init, push_init_level): Use sizetype for
10286 constructor{,_bit,_unfilled}_index.
10287 (pop_init_label, output_init_element): Likewise.
10288 (output_pending_init_elements, process_init_element): Likewise.
10289 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
10290 * expr.c (store_expr): Use size_int.
10291 (store_constructor): Use proper types for size_binop args.
10292 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
10293 (expand_expr_unaligned): Likewise.
10294 (string_contant): Return object of sizetype.
10295 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
10296 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
10297 (ARGS_SIZE_TREE): Pass proper types to size_binop.
10298 * fold-const.c (int_const_binop): Refine when size_int is called.
10299 (fold_convert): Likewise.
10300 (size_int_wide): Rework to take KIND as arg, only take low order
10301 bits, handle new sizetype_tab datatype, and chain entries in
10303 (size_int_type_wide): New function.
10304 (size_binop): Validate types of arguments.
10305 (ssize_binop): Deleted.
10306 (size_diffop): New function.
10307 (extract_muldiv): Only fold division into multiplication for sizetypes.
10308 * function.c (assign_parms): Use size_diffop and make sure
10309 VAR field is of ssizetype; also pass proper type to size_binop.
10310 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
10311 (round_down): Deleted from here.
10312 * store-layout.c (sizetype_tab): Now an array.
10313 (sizetype_set, early_root_list): New variables.
10314 (variable_size): Use size_one_node.
10315 (round_up): Pass proper type to size_binop.
10316 (round_down): Moved to here and corrected as above.
10317 (layout_record): Pass proper arg types to size_binop.
10318 (layout_type): Likewise.
10319 If sizetype_set is zero, record the type just laid out.
10320 (make_unsigned_type): Don't call set_sizetype;
10321 (make_signed_type): Likewise; also, call fixup_signed_type.
10322 (initialize_sizetypes): New function.
10323 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
10324 set name of bitsizetype to "bit_size_type".
10325 Fix up type of sizes of all types made before call.
10326 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
10327 * tree.c (fix_sizetype): Deleted.
10328 (build_common_tree_nodes): Call initialize_sizetypes.
10329 (build_common_tree_nodes_2): Don't call fix_sizetype.
10330 * tree.h (TYPE_IS_SIZETYPE): New macro.
10331 (initialize_sizetype): New declaration.
10332 (enum size_type_kind): New type.
10333 (struct sizetype_tab): Deleted.
10334 (sizetype_tab): Now array; adjust sizetype macros.
10335 (size_diffop, size_int_type_wide): New functions.
10336 (size_int_wide): Change number of args and type; access macros changed.
10337 (ssize_int, sbitsize_int): New macros.
10338 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
10339 (ROUND_TYPE_SIZE_UNIT): New macro.
10341 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
10343 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
10345 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10347 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
10348 Mark as possibly unused.
10350 * cse.c (cse_insn): Delete dead code involving tablejump.
10351 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
10353 * Makefile.in (libcpp.a): Start by deleting it.
10355 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10357 * cpplib.h (enum file_change_code): Added rename_file.
10358 * cpplib.c (do_line): If a filename is given, set file_change to
10360 (output_line_command): If file_change is rename_file, always
10361 output a # directive with the file name.
10363 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
10365 2000-02-26 Mark Mitchell <mark@codesourcery.com>
10367 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
10368 when copying a PARM_DECL or RESULT_DECL.
10370 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10372 * fix-header.c (recognized_function): Also fix prototypes for
10373 functions taking "void".
10375 2000-02-26 Geoff Keating <geoffk@cygnus.com>
10377 * reload1.c (do_output_reload): Check reg_reloaded_valid before
10378 looking at reg_reloaded_contents.
10380 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
10382 * Makefile.in (STMP_FIXINC): New toggle.
10383 (LIBGCC2_DEPS): Delete all references.
10384 (stmp-headers): Delete target. All references either deleted
10385 or changed to stmp-int-headers.
10386 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
10387 (LIBCPP_OBJS): Take out cppalloc.o.
10388 (cppalloc.o): Delete target.
10389 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
10390 (gen-protos, fix-header): Link with libiberty.a.
10391 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
10394 * configure.in: Remove refs to strerror.
10395 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
10396 * system.h: Take out strerror stanza.
10398 * cpperror.c (my_strerror): Delete function.
10399 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
10400 * cppmain.c (main): Call xmalloc_set_program_name first thing.
10401 * cppalloc.c: Delete file.
10402 * gen-protos.c: Don't provide xrealloc.
10404 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
10405 xstrerror throughout.
10407 2000-02-26 Bruce Korb <bkorb@gnu.org>
10409 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
10410 match for DOS headers, too.
10411 * fixinc/inclhack.sh,fixincl.x: Regenerate.
10413 2000-02-26 Geoff Keating <geoffk@cygnus.com>
10415 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
10416 is right for most ELF targets.
10417 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
10418 Let the default file use %U properly.
10419 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
10422 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
10425 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10427 * toplev.c (documented_lang_options): Correct spelling error.
10428 (decode_d_option, decode_f_option, main): Likewise.
10430 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
10432 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
10433 to tell assembler it is permitted to expand large constants.
10435 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
10437 * protoize.c: (AUX_INFO_SUFFIX): New macro.
10438 (aux_info_suffix): Use.
10439 (SAVE_SUFFIX): New macro.
10440 (save_suffix): Use.
10441 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
10442 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
10443 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
10445 * invoke.texi (Running Protoize): Update documentation.
10447 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
10449 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
10451 2000-02-25 John Wehle (john@feith.com)
10453 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
10455 2000-02-25 Anthony Green <green@cygnus.com>
10457 * toplev.c (rest_of_compilation): Rebuild jump labels if
10458 combine_instructions has created a new direct jump.
10459 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
10461 (combine_instructions): Call try_combine with new argument.
10462 Return non-null value when new direct jump instruction is created.
10463 * rtl.h: combine_instructions returns an int.
10465 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
10467 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
10468 jump when changing a computed jump into a jump to a known
10471 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
10473 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
10474 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
10476 * i386.md (define_expand "clrstrsi"): Fix typo.
10478 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
10480 * rtl.texi: Fix typo.
10482 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10484 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
10485 UNITS_PER_WORD. Change caller initial_elimination_offset.
10486 (rounded_frame_size): Take into account that argument pushed has
10487 changed. Fix TARGET_ALIGN_DOUBLE problem.
10489 2000-02-25 Geoff Keating <geoffk@cygnus.com>
10491 * haifa-sched.c (schedule_block): Explain the real reason
10492 we delete REG_SAVE_NOTEs on the first insn of a block.
10493 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
10495 2000-02-24 Mark Mitchell <mark@codesourcery.com>
10497 * input.h (push_srcloc): New function.
10498 (pop_srcloc): Likewise.
10499 * toplev.c (push_srcloc): Define it.
10500 (pop_srcloc): Likewise.
10502 2000-02-24 Richard Henderson <rth@cygnus.com>
10504 * flow.c (life_analysis): When collecting reg info, clear
10507 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10509 Fix bug exposed by reload.c no longer rounding the frame
10510 size to BIGGEST_ALIGNMENT:
10511 * sh.c (rounded_frame_size): New function.
10512 (sh_expand_prologue, sh_expand_epilogue): Use it.
10513 (initial_elimination_offset): Likewise.
10515 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10517 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
10518 * sh-protos.h (sh_need_epilogue): Declare.
10519 * sh.c (sh_need_epilogue_known): New static variable.
10520 (sh_need_epilogue): New function.
10521 (function_epilogue): Clear need_epilogue_known.
10522 * sh.md (return): Split into expander / insn pattern.
10523 Make the expander conditional on ! sh_need_epilogue ().
10525 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
10527 * machmode.h (get_mode_alignment): Declare.
10528 (GET_MODE_ALIGNMENT): Call it.
10529 * stor-layout.c (get_mode_alignment): New function. Make
10530 sure alignment is always power of 2.
10532 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
10534 * i386.h: Remove useless definition of "I386" and misleading
10537 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
10539 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
10540 under which TREE_PERMANENT will be set.
10541 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
10542 build1): Use TREE_SET_PERMANENT.
10543 * print-tree.c (print_node): Don't report value of
10544 TREE_PERMANENT if ggc_p is true.
10546 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
10547 decide whether to give a type a new alias set.
10548 * objc/objc-act.c (build_objc_string_object): Never copy the string.
10549 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
10550 of value of 'obstack'.
10553 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10555 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
10557 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10559 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
10560 * cpplib.c (cpp_get_token): Produce them.
10561 * cppexp.c (cpp_lex): Handle them.
10563 2000-02-23 Nick Clifton <nickc@cygnus.com>
10565 * config/arm/arm.c (arm_comp_type_attributes): Simply and
10566 comment tests on type attributes.
10568 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10570 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
10571 conform to documentation.
10572 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
10573 to check for special cases.
10574 * sh-protos.h (sh_loop_align): Declare.
10575 * sh.c (sh_loop_align): Define.
10577 2000-02-22 Andrew Haley <aph@cygnus.com>
10579 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
10580 (SIZE_TYPE): Is 32 bits when using -mgp32.
10581 (PTRDIFF_TYPE): Ditto.
10583 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10585 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
10587 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
10589 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
10590 BIGGEST_FIELD_ALIGNMENT a constant.
10592 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
10594 * dwarf2out.c (output_line_info): Put the marker for the end of
10595 the line number info at the actual end.
10596 (gen_struct_or_union_type_die): Use decl_function_context
10597 to check for local classes.
10598 * dwarfout.c (output_type): Likewise.
10600 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
10602 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
10603 for arguments with a mode, but no type.
10604 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
10605 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
10606 * pa/long_double.h: New file.
10607 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
10608 both have 128bit wide long doubles.
10609 * configure: Rebuilt.
10611 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10613 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
10615 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
10616 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
10617 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
10619 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
10621 * integrate.c (compare_blocks, find_block): Likewise.
10623 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
10625 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
10627 * stmt.c (stmt_status, set_file_and_line_for_stmt,
10628 expand_asm_operands): Likewise.
10630 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
10632 * predict.c (estimate_probability): Added the pointer heuristic to
10633 the collection of static branch predictors.
10635 2000-02-21 Catherine Moore <clm@cygnus.com>
10637 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
10638 * invoke.texi (-mfix7000): Document.
10640 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
10642 * diagnostic.c (init_output_buffer): Make it possible to output at
10643 least 32 characters if we're given a too long prefix.
10645 2000-02-20 Mark Mitchell <mark@codesourcery.com>
10647 * varasm.c (initializer_constant_valid_p): Call
10648 lang_expand_constant to simplify the constant.
10650 2000-02-20 Bruce Korb <bkorb@gnu.org>
10652 * fixinc/inclhack.def(stdio_va_list):
10653 typedef needs to be disabled.
10654 * fixinc/inclhack.sh: regen
10655 * fixinc/fixincl.x: regen
10657 2000-02-20 Geoff Keating <geoffk@cygnus.com>
10659 * print-rtl.c (print_rtx): Don't print addresses when
10660 flag_dump_unnumbered.
10662 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10664 * sparc.c (sparc_output_scratch_registers): Mark parameter with
10666 (sparc_va_arg, sparc_flat_output_function_prologue,
10667 sparc_flat_output_function_epilogue): Cast value to unsigned in
10669 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
10671 * sparc.md: Add default case in switch.
10673 2000-02-19 Richard Henderson <rth@cygnus.com>
10675 * c-typeck.c (add_pending_init): Don't abort for multiple
10676 fields at the same offset.
10677 (pending_init_member): Test the correct member.
10679 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10681 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
10683 (start_catch_handler) : Same.
10685 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
10687 * Makefile.in: Have flow.o depend on $(EXPR_H)
10689 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10691 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
10692 * c-decl.c (duplicate_decls, finish_enum): Likewise.
10693 (finish_decl): Remove -Wlarger-than code from here.
10694 * flags.h (id_clash_len): Now int.
10695 (larger_than_size): Now HOST_WIDE_INT.
10696 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
10697 Clean up checking to see if in table.
10698 (make_bit_field_ref): Remove extra parm to bitsize_int.
10699 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
10700 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
10701 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
10702 and for computing size of decl.
10703 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
10704 Move -Wlarger-than code to here.
10705 (layout_record): Remove extra arg to bitsize_int.
10706 Set TYPE_BINFO_SIZE_UNIT.
10707 (layout_union): Remove extra arg to bitsize_int.
10708 Use proper type for size of QUAL_UNION.
10709 (layout_type): Remove extra arg to bitsize_int.
10710 * toplev.c (id_clash_len): Now int.
10711 (larger_than_size): Now HOST_WIDE_INT.
10712 (decode_W_option): Clean up id-clash and larger-than- cases.
10713 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
10714 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
10715 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
10716 (struct tree_decl): New field size_unit.
10717 (size_int_wide): No HIGH operand; NUMBER is now signed.
10718 (size_int_2): Deleted.
10719 (size_int, bitsize_int): Don't use it and rework args.
10720 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
10722 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
10724 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
10726 2000-02-18 Geoff Keating <geoffk@cygnus.com>
10728 * invoke.texi (Warning Options): Add an explanation of why
10729 you might want the -Wfloat-equal flag.
10731 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10733 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
10734 * cppinit.c (new_pending_define): Add cast to avoid warning.
10735 * expmed.c (extract_bit_field): Likewise.
10736 * flow.c (enum reorder_skip_type): New type.
10737 (skip_insns_between_blcok): New it.
10738 Rework to avoid warning about possibly undefined variable.
10739 * function.c (assign_parms): Make thisparm_boundary unsigned.
10740 * genrecog.c (write_switch): Cast XWINT result to int.
10741 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
10742 * mips-tfile.c (init_file): Make two versions of FDR intializer:
10743 one for MIPS and one for Alpha.
10744 (get_tag, copy_object): Add casts to avoid warnings.
10745 * optabs.c (init_one_libfunc): Cast NAME to (char *).
10746 * reload.c (find_reloads): Make TYPE enum reload_type.
10747 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
10748 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
10749 * varasm.c (compare_constant_1): Add cast to avoid warning.
10750 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
10752 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
10753 Cast switch operand of size to int.
10754 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
10755 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
10758 2000-02-18 Nick Clifton <nickc@cygnus.com>
10760 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
10761 anything for an alignment of zero.
10763 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
10764 anything for an alignment of zero.
10766 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
10768 * gcc.texi (Bug Reporting): Refer to bugs.html.
10769 (Bug Lists): Likewise.
10770 * system.h (GCCBUGURL): New preprocessor define.
10771 * rtl.c (fancy_abort): Use it.
10772 * gcc.c (main): Likewise.
10774 2000-02-18 Richard Henderson <rth@cygnus.com>
10776 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
10777 (life_analysis_1): Subsume into ...
10778 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
10779 Use update_life_info for the relaxation.
10780 (update_life_info): Update REG_BASIC_BLOCK for registers live on
10781 entry and regs_live_at_setjmp.
10782 (set_noop_p): Simplify.
10783 (notice_stack_pointer_modification_1): Renamed from s/_1//.
10784 (record_volatile_insns): Split into ...
10785 (delete_noop_moves): ... here,
10786 (notice_stack_pointer_modification): ... here,
10787 (insn_dead_p): ... and here.
10788 (propagate_block): Don't query INSN_VOLATILE.
10789 (mark_used_regs): Mind !PROP_REG_INFO.
10790 * toplev.c (rest_of_compilation): Call mark_constant_function here,
10791 not in life_analysis.
10793 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
10795 * loop.c (canonicalize_condition): New function,
10796 broken out of get_condition.
10797 (get_condition): Use it.
10798 * expr.h (canonicalize_condition): Prototype it.
10800 * tree.h (tree_int_cst_msb): Declare.
10801 * tree.c (tree_int_cst_msb): New function.
10803 2000-02-17 Mark Mitchell <mark@codesourcery.com>
10805 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
10808 * invoke.texi (-fmessage-length=n): Document.
10810 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
10812 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
10814 2000-02-17 Mark Mitchell <mark@codesourcery.com>
10816 * function.c (thread_prologue_and_epilogue_insns): Put a line note
10817 after the prologue.
10819 2000-02-17 Nick Clifton <nickc@cygnus.com>
10821 * config/arm/thumb.c: Replace includes of system headers with
10822 #include "system.h".
10824 2000-02-16 Richard Henderson <rth@cygnus.com>
10826 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
10827 Add crtbeginS.o and crtendS.o.
10828 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
10829 (ENDFILE_SPEC): Use crtendS.o.
10830 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
10832 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
10833 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
10834 shared and present.
10835 (__dso_handle): New variable.
10836 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
10837 bias to __CTOR_END__.
10839 2000-02-16 Richard Henderson <rth@cygnus.com>
10841 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
10843 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
10845 * longlong.h (__clz_tab): Declare as static to match definition.
10847 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
10849 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
10850 (XREF_FILE_NAME): Define.
10852 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
10853 (EH_FRAME_SECTION_ASM_OP): Define.
10854 (IDENT_ASM_OP): Define.
10855 (TEXT_SECTION_ASM_OP): Define.
10856 (CPP_SPEC): Define.
10857 (CTORS_SECTION_ASM_OP): Define.
10858 (CTOR_SECTION_FUNCTION): Use it.
10859 (DTORS_SECTION_ASM_OP): Define.
10860 (DTOR_SECTION_FUNCTION): Use it.
10862 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
10864 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
10867 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
10868 debug_bb_n): New functions.
10869 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
10870 * basic-block.h: Prototype new functions.
10872 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
10874 * configure.in: Add support for avr target.
10875 * configure: Rebuilt.
10877 * invoke.texi: Add AVR invocation docs.
10878 * install.texi: Add information about AVR.
10879 * md.texi: Add AVR constraint letters description.
10880 * extend.texi: Add description for AVR specific attributes.
10882 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
10884 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
10886 2000-02-16 Nick Clifton <nickc@cygnus.com>
10888 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
10889 (make_insn_raw): Move RTL check here.
10891 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10893 * version.c: Include gansidecl.h and version.h.
10895 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
10897 * configure.in (gcc_version): When setting, narrow search to
10898 lines containing `version_string'.
10900 * Makefile.in (mainversion): Likewise.
10901 (GCC_H): New variable.
10902 (gcc.h): Delete target.
10903 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
10904 (version.o): Depend on version.h.
10905 (dbxout.o): Don't depend on gcc.h.
10907 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
10908 Michael Meissner <meissner@cygnus.com>
10910 * md.texi (Simple Constraints): Add item about whitespace.
10911 * genoutput.c (strip_whitespace): New.
10912 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
10913 strip_whitespace for constraints.
10914 Test pointer using NULL, not 0.
10916 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10918 * cpplib.c (do_line): Pedwarn for #line > 32767.
10920 * c-lex.c (readescape): Warn about '\x', but do not reject it.
10922 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
10924 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
10925 to default cpp spec.
10926 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
10927 * cpp.texi: Document __GNUC_PATCHLEVEL__.
10930 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
10933 2000-02-15 Denis Chertykov <denisc@overta.ru>
10935 * configure.in: Add support for avr target.
10937 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10939 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
10940 (sh_addr_diff_vec_mode): Don't declare.
10941 * sh.c (sh_addr_diff_vec_mode): Delete.
10943 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10945 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
10947 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10949 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
10950 (smulsi3_highpart_i): Name.
10951 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
10952 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
10953 (smulsi3_highpart, umulsi3_highpart): Likewise.
10955 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
10956 correctly independent of endianness.
10957 (mulsidi3, umulsidi3): Now define_insn. Hide details that
10958 confuse the optimizers.
10959 (mulsidi3+1, umulsidi3+1): New define_split.
10961 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
10963 * config/sh/sh.md: Guard insn splits against illegal registers.
10964 * config/sh/sh.h: Correct comment about macros.
10966 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10967 Andrew MacLeod <amacleod@cygnus.com>
10969 * Makefile.in (lcm.o): Depend on insn-attr.h.
10970 * basic-block.h (optimize_mode_switching): Declare.
10971 * lcm.c (tm_p.h, insn-attr.h): #include.
10972 (seginfo, bb_info): New structs.
10973 (antic, transp, comp, delete, insert) : New file-scope static variables.
10974 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
10975 (reg_becomes_live, optimize_mode_switching): Likewise.
10976 * tm.texi: Add description of mode switching macros.
10977 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
10979 * sh-protos.h (remove_dead_before_cse): Remove prototype.
10980 (fldi_ok, fpscr_set_from_mem): New prototypes.
10981 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
10982 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
10983 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
10984 (sh_flag_remove_dead_before_cse): Remove declaration.
10985 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
10986 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
10987 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
10988 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
10989 (barrier_align): Allow for JUMP_INSNS containing a parallel.
10990 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
10991 (fldi_ok): New function.
10992 (get_fpscr_rtx): Add fpscr_rtx as GC root.
10993 (emit_sf_insn): Only generate fpu switches when optimize < 1.
10994 (emit_df_insn): Likewise.
10995 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
10996 (sh_flag_remove_dead_before_cse): Delete.
10997 (get_free_reg, fpscr_set_from_mem): New functions.
10998 * sh.md (movdf, movsf): Remove no_new_pseudos code.
10999 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
11001 2000-02-15 Loren Rittle <ljrittle@acm.org>
11003 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
11005 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11007 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
11008 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
11010 * cccp.c: Include version.h and/or don't declare `version_string'.
11011 * collect2.c: Likewise.
11012 * alpha.c: Likewise.
11013 * arm/aof.h: Likewise.
11014 * arm/coff.h: Likewise.
11015 * arm/elf.h: Likewise.
11016 * arm/pe.h: Likewise.
11017 * arm/tcoff.h: Likewise.
11018 * arm/telf.h: Likewise.
11019 * arm/tpe.h: Likewise.
11020 * arm/vxarm.h: Likewise.
11021 * convex/convex.c: Likewise.
11022 * i386/dgux.c: Likewise.
11023 * i386/sun386.h: Likewise.
11024 * m88k/m88k.c: Likewise.
11025 * mcore/mcore-pe.h: Likewise.
11026 * mips/mips.h: Likewise.
11027 * romp/romp.h: Likewise.
11028 * sh/sh.c: Likewise.
11029 * cpphash.c: Likewise.
11030 * cppinit.c: Likewise.
11031 * dwarf2out.c: Likewise.
11032 * dwarfout.c: Likewise.
11035 * mips-tfile.c: Likewise.
11036 * protoize.c: Likewise.
11037 * toplev.c: Likewise.
11038 * tree.h: Likewise.
11040 * version.c (version_string): Constify a char*.
11042 * version.h: New file.
11044 2000-02-14 Nick Clifton <nickc@cygnus.com>
11046 * configure.in: Add mcore-elf and mcore-pe targets.
11047 * configure: Regenerate.
11049 * NEWS: Add note that MCore port has been contributed.
11051 * invoke.texi: Document command line switches for MCore port.
11052 * install.texi: Add MCore to list of supported targets.
11054 2000-02-14 Geoff Keating <geoffk@cygnus.com>
11056 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
11057 then we will need to import the frame handling functions.
11058 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
11059 to import the frames themselves.
11061 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
11062 Jason Eckhardt <jle@cygnus.com>
11064 * basic_block.h: Added prototype for reorder_basic_blocks.
11065 * toplev.c: Changes to add -freorder-blocks and graph dump after
11066 block reordering is done.
11067 * flow.c (reorder_block_def): New structure for use during block
11069 (REORDER_BLOCK_*): New macros to access members of above structure.
11070 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
11071 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
11072 functions for block reordering.
11074 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
11076 * gcc.texi (Passes): Fix typo.
11077 * md.texi (Standard Names): Ditto.
11078 * tm.texi (Storage Layout): Ditto.
11080 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
11082 * cpplib.c (do_define): Only free the old definition if it
11085 2000-02-13 Neil Booth <NeilB@earthling.net>
11087 * cppfiles.c (read_and_prescan): When emitting deferred
11088 newlines, test speccase[] again instead of checking each
11089 possible whitespace character in turn. When we encounter \r,
11090 look behind for \n first, then ahead.
11092 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
11094 * cse.c (cse_altered): New internal flag.
11095 (cse_insn): Set it if we changed an insn.
11096 (cse_main): Clear cse_altered before each basic block.
11097 Only garbage collect if cse_altered is true afterward.
11099 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11101 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
11103 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
11105 * combine.c (simplify_comparison): Fix typo.
11107 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
11109 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
11112 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11114 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
11115 previously inserted node instead of root node. Caller changed.
11117 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11119 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
11121 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11123 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
11124 __dereg_frame_dtor): Add prototype argument.
11126 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
11128 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
11130 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
11132 * gthr-vxworks.h (__gthread_once): Likewise.
11134 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
11136 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
11138 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
11139 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
11140 stack pointer in functions w/o saved registers, output LEAVE more often
11141 on TARGET_USE_LEAVE machines.
11143 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
11145 * config/arm/arm.c (arm_init_cumulative_args); New function:
11146 Initlaise the CUMULATIE_ARGS strcuture for a function
11148 (arm_function_arg): New function: Determine where to place a
11149 function's argument. Also handles deciding the function's
11151 (current_file_function_operand): New function: Return true if
11152 the symbol is a function which has already been compiled.
11153 (arm_is_long_call_p): New function: Return true if the
11154 indicated function should be called via a long call.
11155 (arm_valid_type_attribute_p): New function: Return true if the
11156 attribute is a valid, arm specific, attribute.
11157 (arm_comp_type_attribute): New function: Return true if the
11158 two types have compatable, arm specific, attributes.
11160 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
11162 (FUNCTION_ARG): Redefine to call arm_function_arg.
11163 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
11165 (INIT_CUMULATIVE_ARGS): Redefine to call
11166 arm_init_cumulative_args.
11167 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
11169 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
11171 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
11173 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
11174 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
11175 (COMP_TYPE_ATTRIBUTES): Define.
11177 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
11178 if a long call is needed.
11179 (call_value): Call arm_is_long_call_p to decide if a long call
11181 (call_symbol): Call arm_is_long_call_p to decide if a long call
11184 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
11186 2000-02-11 Denis Chertykov <denisc@overta.ru>
11188 * README.AVR: New file with information about the avr ports.
11189 * config/avr: New directory with avr port files.
11191 2000-02-11 Andreas Jaeger <aj@suse.de>
11193 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
11195 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
11197 * cpphash.c: Fix formatting, update commentary.
11198 (dump_definition): Take three separate arguments instead of a
11199 MACRODEF structure argument.
11200 * cpphash.h: Update prototype of dump_definition.
11201 * cppinit.c (cpp_finish): Update call of dump_definition.
11203 * cpplib.c (do_define): Always create new hash entry with
11204 T_MACRO type. Remove redundant check for redefinition of
11205 poisoned identifier. Update call of dump_definition.
11206 (do_undef): Don't call check_macro_name. Rename sym_length to
11208 (do_error, do_warning): Don't use copy_rest_of_line or
11210 (do_warning): Don't use pedwarn for the actual warning,
11211 only the notice about its not being in the standard. (Fixes
11212 bug with #warning in system headers.)
11213 (do_ident): Stricter argument checking - accept only a single
11214 string after #ident. Also, macro-expand the line.
11215 (do_xifdef): Use cpp_defined. De-obfuscate.
11217 (do_pragma): Split out specific pragma handling to separate
11218 functions. Use get_directive_token. Update commentary. Do
11219 not pass on #pragma once or #pragma poison to the front end.
11220 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
11221 do_pragma_default): New.
11223 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
11225 * jump.c (jump_optimize_1): The first operand in a relational
11226 can be a CONST_INT.
11227 * optabs.c (emit_conditional_move): Handle relationals which
11228 have a known true/false result.
11230 2000-02-11 Geoff Keating <geoffk@cygnus.com>
11232 * function.c (thread_prologue_and_epilogue_insns): Don't insert
11233 a RETURN insn into a block which already ends with a jump.
11235 2000-02-11 Geoff Keating <geoffk@cygnus.com>
11237 * haifa-sched.c (BUF_LEN): Increase a lot.
11239 2000-02-11 Nick Clifton <nickc@cygnus.com>
11241 * configure.in: Add tm_p_file specification for thumb targets.
11242 * configure: Regenerate.
11244 * config/arm/thumb-protos.h: New file: Prototypes for exported
11245 functions defined in thumb.c.
11247 2000-02-11 Robert Lipe <robertl@sco.com>
11249 * Makefile.in (bootstrap-lean): Remove additional files.
11250 (bootstrap2-lean): Likewise.
11251 (VOL_FILES): List of files for above.
11253 2000-02-11 Nathan Sidwell <nathan@acm.org>
11255 * cpphash.c (special_symbol): Remove spurious argument to
11258 2000-02-11 Joel Sherrill (joel@OARcorp.com>
11260 * configure.in: (i*86-*-rtems*): Swapped elf and coff
11262 * configure: Rebuilt.
11264 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
11266 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
11268 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
11270 * pa.c, pa.h: Remove trigraph sequences within comments.
11272 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
11274 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
11276 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
11278 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
11280 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11282 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
11284 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11286 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
11287 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
11288 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
11289 (ASM_FILE_END): Use c4x_file_end.
11290 * config/c4x/c4x.c (c4x_global_label): New function.
11291 (c4x_external_ref, c4x_file_end): Likewise.
11293 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
11294 (c4x_external_ref, c4x_end_file): Likewise.
11296 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
11298 * cppexp.c: Don't include cpphash.h.
11299 (parse_charconst, cpp_lex): Use cpp_defined.
11300 (cpp_lex): Use get_directive_token throughout. Remove
11301 unnecessary cases from switch. Move assertion-handling code
11302 down to OTHER case.
11303 (cpp_parse_expr): If we see '+' or '-', check the context to
11304 determine if they are unary or binary operators. Streamline
11305 the jumps a bit. Do not call skip_rest_of_line.
11307 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
11308 static. Export get_directive_token. Update commentary.
11309 (cpp_defined): New function.
11310 (do_define): Remove reference to T_PCSTRING. Call
11311 free_definition to release memory for old definition, when
11312 redefining a macro.
11313 (eval_if_expression): Set only_seen_white to 0 before calling
11314 cpp_parse_expr. Call skip_rest_of_line after it returns.
11315 (cpp_read_check_assertion): Don't preserve a pointer into the
11316 token buffer across a call to cpp_get_token.
11318 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
11319 * cppfiles.c (redundant_include_p): Use cpp_defined.
11320 * cpphash.c (free_definition): New function.
11321 (delete_macro): Use it. Update commentary.
11322 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
11324 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
11325 from enum node_type. Prototype cpp_defined and get_directive_token.
11326 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
11328 * fix-header.c (check_macro_names): Use cpp_defined.
11329 (read_scan_file): Set inhibit_warnings and inhibit_errors in
11330 the options structure.
11332 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11334 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
11336 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
11338 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
11339 rather than die->die_tag.
11341 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11343 * combine.c (make_extraction, force_to_mode): Avoid warning on
11344 mixed-signedness conditionals.
11345 (make_field_assignment, nonzero_bits): Likewise.
11346 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
11347 (store_split_bit_field, extract_split_bit_field): Likewise.
11348 (extract_fixed_bit_field, store_bit_field,
11349 * expr.c: Change alignment to be unsigned everywhere.
11350 (move_by_pieces, store_constructor_field, store_constructor):
11351 Alignment parm is unsigned.
11352 (emit_block_move, emit_group_load, emit_group_store): Likewise.
11353 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
11354 (do_compare_rtx_and_jump): Likewise.
11355 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
11356 Compare align with GET_MODE_ALIGNMENT.
11357 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
11358 (get_inner_reference): Likewise.
11359 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
11360 (expand_assignment): Local vars for alignment now unsigned.
11361 (store_constructor, store_field, expand_expr, do_jump): Likewise.
11362 (do_compare_and_jump): Likewise.
11363 (store_field): Call new function expr_align.
11364 * expr.h (emit_block_move, emit_group_load, emit_group_store):
11365 Alignment arg now unsigned.
11366 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
11367 (do_compare_rtx_and_jump, store_bit_field): Likewise.
11368 (extract_bit_field): Likewise.
11369 * fold-const.c (add_double): Add cast to eliminate signedness warning.
11370 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
11371 (get_best_mode): Alignment arg is unsigned.
11372 * rtl.h (move_by_pieces): Likewise.
11373 * store-layout.c (maximum_field_alignment, set_alignment):
11375 (layout_decl): Alignment arg is now unsigned.
11376 Remove unneeded casts.
11377 (layout_record, layout_union, layout_type): Remove unneeded casts.
11378 Local alignment variables now unsigned.
11379 (get_best_mode): Alignment arg now unsigned.
11380 * tree.c (expr_align): New function.
11381 * tree.h (expr_align): Likewise.
11382 (maximum_field_alignment, set_alignment): Now unsigned.
11383 (get_inner_reference): Alignment argument is now pointer to unsigned.
11384 * varasm.c (assemble_variable): Add cast to eliminate warning.
11386 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
11388 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
11389 then store directly into op0.
11391 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
11392 the CALL_INSN, and emit the note immediately after it.
11394 2000-02-10 Nick Clifton <nickc@cygnus.com>
11396 * config/arm/thumb.md (epilogue): Include a (return) in the
11397 generated insn, and emit it using emit_jump_insn not
11400 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
11402 * function.c (assign_temp): Change zero-sized arrays to size 1.
11403 * integrate.c (expand_inline_function): Do not update
11404 stack_alignment_needed
11405 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
11406 add some sanity checking, remove optimization for function with
11409 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11411 * flow.c (mark_regs_live_at_end): Delete unused variables.
11413 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
11415 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
11416 in macro FRAME_GROWS_DOWNWARD.
11418 * stmt.c (expand_end_bindings): Delete unused variable.
11420 * unroll.c (iteration_info): Mark parameter `loop' with
11423 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11425 * fixinc/server.c (load_data): Return NULL if the marker line is
11427 (run_shell): If load_data returns NULL, retry the command once, in
11430 * configure: Rebuilt.
11432 2000-02-09 Bruce Korb <bkorb@gnu.org>
11434 * gcc/fixincludes: ** DELETED **
11435 * gcc/fixcpp: ** DELETED **
11436 * gcc/fixinc-nt.sed: ** DELETED **
11437 * gcc/just-fixinc: ** DELETED **
11438 * gcc/Makefile.in: Removed out-dated commentary
11439 * gcc/configure.in: Removed fast-fixincludes disablement.
11440 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
11442 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
11443 * function.c (thread_prologue_and_epilogue_insns): Uncomment
11446 2000-02-09 Richard Henderson <rth@cygnus.com>
11448 * jump.c (delete_insn): Don't delete user labels at -O0.
11450 2000-02-09 Robert Lipe <robertl@sco.com>
11452 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
11453 Don't link with HOST_LIBS.
11455 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
11457 * configure.in: Correct --help text for --with-dwarf2.
11458 Put tm-dwarf2.h after other tm files, if it's requested.
11459 * configure: Regenerate.
11460 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
11463 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
11465 * cpplib.h: Provide HASHNODE typedef and forward decl of
11466 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
11467 DEFINITION, struct hashnode, struct macrodef, struct
11468 definition, scan_decls prototype, default defn of
11469 INCLUDE_LEN_FUDGE moved elsewhere.
11471 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
11472 definition, and struct hashnode moved here. Remove the unused
11473 'predefined' field from struct definition. Replace the 'args'
11474 union with its sole member. All users updated (cpphash.c).
11475 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
11476 multiple include guard.
11478 * cpphash.c (hashf): Make static; use better algorithm; drop
11479 HASHSIZE parameter; return an unsigned int.
11480 (cpp_lookup): Drop HASH parameter. PFILE parameter is
11481 used. Calculate HASHSIZE modulus here.
11482 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
11484 (create_definition): Drop PREDEFINITION parameter.
11485 * cpplib.c (do_define): Don't calculate a hash value here.
11486 Don't pass (keyword == NULL) to create_definition.
11488 * scan.h: Prototype scan_decls here.
11489 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
11490 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
11491 callers of cpp_lookup and cpp_install updated.
11493 * cpphash.c (macarg): Hoist all the flag diddling out of the
11495 (macroexpand): ... and out of the loop that calls macarg.
11496 Skip over the initial paren before macro arguments with
11497 cpp_get_non_space_token; point may be some distance before
11498 that paren. Abort if it's not there.
11500 * cpplib.c (parse_clear_mark): Delete function.
11501 (parse_set_mark, parse_goto_mark): Make static.
11502 (ACTIVE_MARK_P): New macro.
11503 (skip_block_comment, skip_line_comment): Do not bump the line
11504 if ACTIVE_MARK_P is true.
11505 (cpp_pop_buffer): The buffer to be popped may not have an
11507 (cpp_get_token): When looking for the initial paren before
11508 macro arguments, only set a mark in a file buffer, Always
11509 return to that mark before proceeding to call macroexpand or
11510 return a NAME token.
11512 * cpplib.h: Remove prototypes of parse_set_mark,
11513 parse_clear_mark, parse_goto_mark.
11514 (struct cpp_options): Rename 'put_out_comments' to
11515 'discard_comments' and invert its sense.
11516 * cppinit.c, cpphash.c, cpplib.c: All users of
11517 put_out_comments changed to use discard_comments, with
11520 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
11522 * function.c (thread_prologue_and_epilogue_insns): Don't delete
11523 the edge from a block that both jumps and falls through to the
11526 2000-02-09 Scott Bambrough <scottb@netwinder.org>
11528 * config/arm/arm.md (movsi): In PIC mode, make sure that a
11529 constant source address is legitimate.
11531 2000-02-09 Philip Blundell <pb@futuretv.com>
11533 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
11536 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
11538 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
11540 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
11542 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
11543 ends with a newline and a NUL. Don't be so clever manipulating
11546 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
11548 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
11549 not to BIGGEST_ALIGNMENT.
11551 2000-02-08 Geoff Keating <geoffk@cygnus.com>
11553 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
11554 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
11555 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
11556 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
11557 * frame.c (execute_cfa_insn): Handle
11558 DW_CFA_GNU_negative_offset_extended.
11560 2000-02-08 Richard Henderson <rth@cygnus.com>
11562 * flow.c (tidy_fallthru_edges): Split out from ...
11563 (delete_unreachable_blocks): ... here.
11564 (find_basic_blocks): Use it.
11566 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11568 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
11570 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
11572 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
11573 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
11574 (fix-header.o): Don't depend on cpphash.h.
11576 * scan.c (hashstr): New function.
11577 * scan.h: Prototype it.
11578 * fix-header.c: Don't include cpphash.h. Use hashstr.
11579 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
11580 hashstr. Report hash table statistics. Add private
11581 definition of xrealloc.
11583 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11585 * i386.h (TARGET_SWITCHES): Fix typo in option name.
11587 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
11589 * function.c (thread_prologue_and_epilogue_insns): Don't replace
11590 jumps with returns unless they are jumps to the fallthru block.
11592 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
11594 * i386.md (addqi3_cc): Fix contraints.
11596 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
11598 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
11600 2000-02-07 Mark Mitchell <mark@codesourcery.com>
11602 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
11603 carriage return after a macro name.
11605 2000-02-07 Fred Fish <fnf@be.com>
11607 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
11608 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
11610 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
11612 * cppfiles.c (deps_output): Count spacers in deps_column.
11614 2000-02-07 Neil Booth <NeilB@earthling.net>
11616 * cppinit.c (initialize_dependency_output): If there is no
11617 suffix, don't try to look for known suffixes. Use strrchr.
11618 (cpp_start_read): Remove duplicate initialization.
11620 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
11622 * calls.c (compute_argument_block_size): New argument
11623 preferred_stack_boundary.
11624 (expand_call): update cfun->preferred_stack_boundary, update call of
11625 compute_argument_block_size
11626 (emit_library_call): Increate cfun->preferred_stack_boundary
11627 to PREFERRED_STACK_BOUNDARY
11628 (emit_library_call_value): Likewise.
11629 * explow.c (allocate_dynamic_stack_spave): Likewise.
11630 * function.c (prepare_function_start): Set
11631 cfun->preferred_stack_boundary
11632 * function.h (struct function): Add preferred_stack_boundary field.
11633 * integrate.c (expand_inline_function): Update
11634 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
11635 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
11636 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
11638 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
11640 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
11641 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
11642 cpp_pedwarn, cpp_pedwarn_with_line,
11643 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
11644 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
11645 v_cpp_error_with_line, v_cpp_warning_with_line,
11646 cpp_message_from_errno, cpp_perror_with_name): Delete.
11648 * cpperror.c (cpp_print_containing_files): Take starting
11649 buffer as argument.
11650 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
11651 (v_cpp_message): Now called directly by all entry points.
11653 (cpp_pfatal_with_name, cpp_message): Delete.
11654 (cpp_notice_from_errno, cpp_ice): New functions.
11655 (cpp_notice): Is now for reporting error conditions, just
11656 without an associated file.
11657 (cpp_error, cpp_error_with_line): Don't do anything if
11658 opts->inhibit_errors is on.
11659 (cpp_pedwarn_with_file_and_line): Take column argument also.
11661 * cpplib.h: Update prototypes of exported functions.
11662 (struct cpp_options): Add inhibit_errors.
11664 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
11665 non-error messages. Include intl.h.
11667 * cppinit.c, cppmain.c: Likewise. Also, use
11668 cpp_notice_from_errno instead of cpp_perror_with_name or
11669 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
11671 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
11672 report internal errors.
11674 * cpplib.c (do_define): Switch bcopy to memcpy.
11675 Give cpp_pedwarn_with_file_and_line a dummy column argument.
11677 * cpplib.c (copy_rest_of_line): Revert previous change: don't
11678 bail out early if we hit a line comment.
11680 2000-02-06 Richard Henderson <rth@cygnus.com>
11682 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
11683 * basic-block.h: Declare them.
11684 * emit-rtl.h (active_insn_p): New.
11685 (next_active_insn, prev_active_insn): Use it.
11686 * rtl.h: Declare it.
11687 * function.c (emit_return_into_block): New.
11688 (thread_prologue_and_epilogue_insns): Insert return insns instead
11689 of epilogues when possible.
11690 * jump.c (jump_optimize_1): Remove code to insert a return insn
11691 on the fallthru to the exit block.
11693 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
11694 and for non-empty stack frames.
11695 * i386.md (return): Expand to return-pop as needed.
11697 2000-02-06 Richard Henderson <rth@cygnus.com>
11699 * simplify-rtx.c (simplify_relational_operation): Canonicalize
11700 constant to op1 for testing.
11702 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11704 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
11705 (fixuns_truncqfqi2): Use it.
11707 2000-02-06 Richard Henderson <rth@cygnus.com>
11709 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
11710 as a TYPE_LEA insn.
11712 * i386.md (widening and peepholes): Mask the constant instead of
11715 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
11717 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
11718 input pointer before possibly branching off to the backslash
11720 * cpphash.c (macroexpand): Correctly delete \r escapes when
11721 stringifying parameters.
11722 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
11723 if we can; bail out early if we hit a line comment.
11724 (handle_directive): Treat '# 123' in an .S file just like
11725 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
11726 Return 1 for '# not_a_directive'.
11727 (get_directive_token): Pop macro buffers here, so that
11728 cpp_get_token can't sneakily move past a newline.
11730 (cpp_get_token): goto randomchar if handle_directive returns 0.
11732 * cppalloc.c: Update copyright.
11733 * cpplib.c: Merge all the static function prototypes into one
11735 * cpplib.h: Remove #if 0 block.
11737 * cpperror.c: Remove #ifdef EMACS block.
11738 * cppmain.c: Likewise.
11739 * cpphash.c: Remove #if 0 blocks.
11740 * cppinit.c: Remove #if 0 blocks, and the -lint option.
11741 * cpplib.c: Remove #if 0 blocks and code referencing
11742 pcp_inside_if or for_lint. Remove duplicate error message.
11743 Fix error messages for #else after #else or #elif. Reformat.
11744 Remove archaic TODO list.
11745 * cpplib.h: Remove pcp_inside_if and for_lint flags.
11747 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
11749 * i386/osf1elf.h: Add missing backslash to multiline string.
11751 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11753 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
11755 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11757 * Makefile.in (c-common.o): Depend on $(EXPR_H).
11759 * c-common.c: Include expr.h.
11761 * c-pragma.c (mark_align_stack): Add prototype.
11763 * caller-save.c (add_stored_regs): Likewise.
11765 * combine.c (record_promoted_value): Likewise.
11767 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
11770 * cppinit.c (new_pending_define): Likewise.
11772 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
11774 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
11775 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
11776 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
11777 class_scope_p): Likewise.
11779 * dwarf2out.h (dwarf2out_set_demangle_name_func,
11780 dwarf2out_add_library_unit_info): Likewise.
11782 * ggc.h (ggc_page_print_statistics): Likewise.
11784 * haifa-sched.c (propagate_deps): Likewise.
11786 * reg-stack.c (next_flags_user, record_label_references): Likewise.
11788 * rtl.h (set_stack_check_libfunc): Likewise.
11790 * toplev.h (set_fatal_function): Likewise.
11792 * toplev.c (set_fatal_function): Delete prototype.
11794 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
11796 2000-02-05 Geoff Keating <geoffk@cygnus.com>
11798 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
11799 (FUNC_END): Likewise.
11801 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11803 * caller-save.c: Include tm_p.h.
11805 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11807 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
11809 2000-02-04 Neil Booth <NeilB@earthling.net>
11811 * cccp.c (main): Check 'dir' for a NULL pointer before passing
11814 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
11816 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
11817 * genflags.c: Use the max_operand_1 logic from genemit.c to
11818 calculate how many arguments gen_insn prototypes have. Remove
11819 NO_MD_PROTOTYPES ifdefs from the generated file.
11820 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
11821 file. Cast gen_insn initializers to insn_gen_fn.
11822 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
11823 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
11825 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11827 * fixinc/Makefile.in (HDR): Add machname.h.
11830 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11832 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
11833 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
11834 (c4x_cpu_version): Ditto.
11835 * config/c4x/c4x-protos.h: ... here.
11837 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
11839 * dwarf2out.c (add_abstract_origin_attribute): Don't call
11840 gen_abstract_function on our context if we're a nested function.
11842 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11844 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
11845 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
11847 2000-02-04 Bruce Korb <bkorb@gnu.org>
11849 * fixinc/genfixes(machname.h):
11850 Move the functionality from gen-machine.h into this file.
11851 UNdef MN_NAME_PAT if there are no names to change.
11852 Also, be a little kinder when AutoGen is not present.
11854 * fixinc/Makefile.in(machname.h):
11855 Change the generation rule to use genfixes.
11857 * fixinc/fixfixes.c(machine_name):
11858 machine_name_fix's functionality now dependent upon whether
11859 MN_NAME_PAT is defined.
11861 * fixinc/fixtests.c(machine_name):
11864 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
11867 * fixinc/fixlib.h(mn_get_regexps):
11870 * fixinc/gen-machine.h: DELETED
11872 2000-02-04 Jan Hubicka <jh@suse.cz>
11873 Richard Henderson <rth@cygnus.com>
11875 * i386.c (SAVE_REGS_FIRST): Remove.
11876 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
11877 (ix86_compute_frame_size): Likewise.
11878 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
11879 (ix86_emit_restore_regs): Remove.
11880 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
11881 when a frame pointer is in use.
11882 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
11883 instead of pop to restore a register when profitable; emit leave
11885 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
11886 as a TYPE_LEA insn.
11887 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
11888 * i386.md (prologue_allocate_stack): Remove.
11889 (epilogue_deallocate_stack): Remove.
11890 (pro_epilogue_adjust_stack): New.
11892 2000-02-04 Richard Henderson <rth@cygnus.com>
11894 * function.c (diddle_return_value): Rework to use a callback function.
11895 Use current_function_return_rtx if it's been set up.
11896 (do_clobber_return_reg, clobber_return_register): New.
11897 (do_use_return_reg, use_return_register): New.
11898 (expand_function_end): Use them.
11899 * stmt.c (expand_null_return): Likewise.
11900 * function.h: Declare them.
11901 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
11902 (mark_reg): Change arguments as appropriate for callback.
11903 * integrate.c (expand_inline_function): Revert 19 Jan change.
11905 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
11907 * tm.texi (Values in Registers): Fix typo: "fo" "for".
11908 (Misc): Say the scheduler, not the Haifa scheduler.
11910 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
11912 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
11913 when in_mem is set. Update all callers.
11915 2000-02-04 Richard Henderson <rth@cygnus.com>
11917 * i386/openbsd.h (INT_ASM_OP): Define.
11919 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
11921 * tm.texi: Fix various typos.
11923 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
11925 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
11926 (MD_STARTFILE_PREFIX_1): New macro.
11928 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
11930 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
11931 destination when needed.
11932 (strmovsi, strsetsi): New expander.
11933 (strmovsi_1, strsetsi_1): New pattern.
11934 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
11935 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
11936 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
11937 * invoke.texi (align-stringops, inline-all-stringops): Document.
11939 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
11941 * i386/netbsd.h (INT_ASM_OP): Define.
11943 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
11945 * cpplib.h (cpp_reader): Add new flag, no_directives.
11946 * cpphash.c (macarg): Set it.
11947 * cpplib.c (handle_directive): If no_directives is on and we
11948 find a directive, issue an error and discard the line.
11950 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
11952 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
11953 FP constants. Add ! TARGET_FPU check for FP constants.
11955 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
11957 * flow.c (find_basic_blocks): Don't kill label_value_list
11959 (cleanup_cfg): Kill it here.
11961 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11963 * expr.c (store_field): Ensure ALIGN is no stricter than the
11966 2000-02-02 Richard Henderson <rth@cygnus.com>
11968 * jump.c (delete_insn): Partially revert 19 Jan change;
11969 don't convert unused code labels to notes at -O0.
11971 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11973 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
11974 split_all_insns to recreate REG_LABEL notes for flow2 pass.
11976 2000-02-01 Richard Henderson <rth@cygnus.com>
11978 * i386.c (general_no_elim_operand): New.
11979 (nonmemory_no_elim_operand): New.
11980 (ix86_expand_move): Copy eliminable operands before a push.
11981 * i386-protos.h: Declare new functions.
11982 * i386.h (CAN_ELIMINATE): Simplify.
11983 (PREDICATE_CODES): Update.
11984 * i386.md (push insns): Don't allow eliminable register operands.
11986 2000-02-01 Richard Henderson <rth@cygnus.com>
11988 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
11989 replace BLKmode with DECL_RTL's mode.
11991 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
11993 * frame.c (find_fde): Convert for loop to do-while so compiler
11994 sees it's always executed at least once.
11995 * libgcc2.c (BBINBUFSIZE): Kill.
11996 (__bb_init_prg): Use fgets.
11997 (__bb_exit_trace_func): Don't paste strings.
11998 * unroll.c (unroll_loop): Initialize unroll_type, not
11999 unroll_number, and tweak logic to match.
12001 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
12003 (ix86_flags_dependant): Likewise. Disentangle control flow.
12004 (ix86_sched_reorder): Break guts out to
12005 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
12006 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
12009 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
12010 use string concatenation. Don't save and restore esi.
12012 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
12013 (machname.h): Remove script to separate file. Use two-step
12014 sequence so target is not created if script fails.
12015 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
12016 identifiers are defined.
12017 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
12018 an empty string, machine_name doesn't need to do anything at
12020 (is_cxx_header): Add more cases to regexp.
12021 * fixinc/fixlib.h: Update prototype.
12022 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
12024 * fixinc/fixincl.c: Define NO_BOGOSITY.
12026 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
12027 (hp_sysfile): Add missing comma.
12028 (math_exception): Put the wrapper ifdefs at the beginning and
12029 the end of the file.
12030 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
12032 2000-02-01 Richard Henderson <rth@cygnus.com>
12034 * sparc.c (fp_zero_operand): Turn into a normal predicate.
12035 Use CONST0_RTX. Update all callers.
12036 * sparc.h, sparc-protos.h: Update accordingly.
12037 * sparc.md (fp mov insns): Use fp_zero_operand directly
12040 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
12042 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
12045 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12047 * Makefile.in (specs.ready): New target.
12048 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
12050 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12052 * fixinc.irix: Use unique filenames for writing into /tmp,
12053 * fixinc.ptx: Likewise.
12054 * fixinc.sco: Likewise.
12055 * fixinc.svr4: Likewise.
12056 * fixinc.winnt: Likewise.
12058 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12060 * tsystem.h: New file.
12062 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
12063 s-crtS): Depend on tsystem.h.
12065 * crtstuff.c: Include tsystem.h.
12066 * frame.c: Likewise.
12067 * libgcc2.c: Likewise.
12069 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
12071 * builtins.c (expand_builtin_memset): Expand for variable sized
12074 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
12076 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
12079 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
12081 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
12083 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
12085 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
12087 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
12088 case 3->2 combining (combining with splitting) in which 2 is CC0
12089 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
12090 checked at the begining of the function with the aid of calling
12091 function 'can_combine_p'.
12093 2000-01-31 Dave Brolley <brolley@redhat.com>
12095 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
12097 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
12099 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
12102 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12104 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
12106 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
12109 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
12111 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
12112 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
12113 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
12114 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
12115 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
12116 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
12117 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
12118 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
12119 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
12120 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
12122 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
12123 Add %(cpp_cpu) to CPP_SPEC.
12125 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
12126 Add %(cc1_cpu) to CC1_SPEC.
12128 2000-01-28 Ulrich Drepper <drepper@redhat.com>
12130 * c-decl.c (c_decode_option): Accept optional numeric argument to
12131 -Wformat and set warn_format.
12132 * c-common.c: Don't emit warning about non-constant printf format
12133 string unless warn_format > 1.
12135 2000-01-30 Richard Henderson <rth@cygnus.com>
12137 * alpha.md (return_internal): Allow after reload only.
12139 2000-01-30 Richard Henderson <rth@cygnus.com>
12141 * i386.c (ix86_compute_frame_size): Omit padding1 if the
12142 local frame size is zero.
12144 2000-01-30 Richard Henderson <rth@cygnus.com>
12146 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
12147 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
12148 * alpha.md (return): Turn into an expander.
12149 (return_internal): Don't use $26.
12150 (epilogue): Emit the return insn.
12152 2000-01-30 Richard Henderson <rth@cygnus.com>
12154 * alpha.md (negtf2, abstf2): Fix word order thinko.
12155 (extendsftf2): New.
12156 (trunctfsf2): Avoid intermediate rounding errors.
12158 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
12160 * cppfiles.c (find_position): Drop 'colp' argument, return the
12162 (read_and_prescan): Adjust to match. Don't ever manipulate
12163 line or line_base except via find_position.
12165 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
12167 * c-parse.in: Apply Ulrich's changes from c-parse.y.
12168 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
12171 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
12173 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
12174 just print "<command line>". If 'filename' is null or an
12175 empty string, print "<stdin>" for the filename.
12176 * cpplib.c (do_define): Don't print the 'location of the
12177 previous definition' message if we're still parsing the
12179 (cpp_pedwarn_with_file_and_line): Always call
12180 cpp_file_line_for_message.
12182 2000-01-29 Mark Mitchell <mark@codesourcery.com>
12184 * flow.c (mark_regs_live_at_end): Fix typo.
12186 2000-01-28 Ulrich Drepper <drepper@redhat.com>
12188 * c-common.c: Adjust variable names, comments, help strings to c99.
12189 * c-lex.c: Likewise.
12190 * c-parse.y: Likewise.
12191 * c-tree.h: Likewise.
12192 * cccp.c: Likewise.
12193 * cpplib.h: Likewise.
12194 * c-decl.c: Likewise. Recognize options with names "*99" as well.
12195 * cppinit.c: Likewise.
12197 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12199 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
12200 * c4x.c: Define the optab rtx values.
12201 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
12202 (c4x_emit_libcall): Use new optab rtx values.
12203 (c4x_emit_libcall3): Likewise.
12204 (c4x_emit_libcall_mulhi): Likewise.
12205 * c4x-protos.h: Add prototypes for optab rtx values and change
12206 prototypes for above c4x_emit_libcall functions.
12208 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12210 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
12212 (c4x_function_prologue): Use regnames intead of float_reg_names when
12214 (c4x_function_epilogue): Likewise.
12215 (c4x_print_operand): Likewise.
12216 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
12217 * c4x.md (set_high): Disable for TARGET_TI.
12219 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12221 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
12222 of framepointer + constant to ADDR_REGS class.
12223 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
12224 * c4x.c (std_or_reg_operand): New function.
12225 * c4x-protos.h (std_or_reg_operand): Prototype it.
12227 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12229 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
12230 object names as libgcc2.c.
12231 * libgcc.S: Use newly defined names.
12233 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
12234 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
12236 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
12237 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
12238 (FLOW_LOOP_LAST_BLOCK): Likewise.
12240 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12242 * basic-block.h (struct loop): New fields 'first' and 'last'.
12243 * flow.c (flow_loops_find): Compute loop->first and loop->last.
12244 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
12245 and loop->last to check for NOTE_INSN_LOOP_END.
12247 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
12249 * predict.c (estimate_probability): Use the new FIRST and LAST fields
12250 of the loop descriptor rather than HEADER and LATCH. Also added
12251 missing break statements as well making some coding style modifications
12252 as suggested by Michael Hayes.
12254 2000-01-28 Richard Henderson <rth@cygnus.com>
12256 * flow.c (find_basic_blocks): Remove do_cleanup argument.
12257 Break out that code ...
12258 (cleanup_cfg): ... here.
12259 (commit_one_edge_insertion): Detect a return instruction being
12260 emitted to an edge. Emit a barrier following; clear fallthru.
12261 (commit_edge_insertions): Verify CFG consistency.
12262 * function.c (expand_function_start): Kill unused variable.
12263 (expand_function_end): Likewise.
12264 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
12265 to insert the epilogue.
12267 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
12268 (delete_null_pointer_checks): Likewise.
12269 * output.h: Likewise.
12270 * reg-stack.c (reg_to_stack): Likewise.
12271 * toplev.c (rest_of_compilation): Likewise. Run
12272 thread_prologue_and_epilogue_insns after rebuilding the CFG.
12274 2000-01-28 Richard Henderson <rth@cygnus.com>
12276 * Makefile.in (flow.o): Revert 24 Jan change.
12277 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
12278 FUNCTION_VALUE result to DECL_RESULT's mode.
12280 * haifa-sched.c (schedule_insns): Don't recompute reg info
12283 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
12285 * configure.in: Make --enable-cpplib the default.
12286 * configure: Regenerate.
12287 * gcc.dg/990119-1.c: No longer expected to fail.
12289 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
12291 * jump.c (jump_optimize_1): Delete an optimization that is also done
12292 by merge_blocks in flow.
12294 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12296 * diagnostic.c (build_message_string, output_printf,
12297 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
12298 (build_location_prefix): Fix non-literal format string.
12300 2000-01-27 Richard Henderson <rth@cygnus.com>
12302 * alpha.md (trunctfsf2): New.
12304 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
12306 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
12308 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
12310 * cppinit.c (cpp_handle_option): Recognize C++ comments under
12312 * cpplib.c (skip_block_comment, skip_line_comment): Split code
12314 (skip_comment) ... here. Permit C++ comments in system
12315 headers always. Warn about C++ comments in user code under
12316 -std=gnu89 -pedantic.
12317 (copy_comment): Use skip_comment.
12318 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
12320 (consider_directive_while_skipping, do_else, do_endif): Call
12321 validate_else unconditionally.
12322 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
12323 text after the conditional in a system header.
12324 * cpplib.h (struct cpp_buffer): Add flag
12325 warned_cplusplus_comments.
12327 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
12329 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
12330 Use unshare_all_rtl_1.
12331 (unshare_all_rtl_again): New function.
12332 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
12334 * function.c (purge_addressof_1): Use unshare_all_rtl_again
12335 rather than resetting the 'used' flags ourself.
12337 * toplev.c (rest_of_compilation): Add current_function_decl
12338 to the unshare_all_rtl call.
12339 * tree.h: Prototype unshare_all_rtl.
12340 * rtl.h: Prototype unshare_all_rtl_again here.
12342 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
12344 * genoutput.c (output_prologue): Include ggc.h in generated
12346 * Makefile.in (insn-output.o): Depends on ggc.h.
12348 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
12349 Hans-Peter Nilsson <hp@bitrange.com>
12351 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
12352 Remove redundant include of xm-ns32k.h.
12353 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
12354 Remove redundant include of xm-ns32k.h.
12355 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
12356 Remove redundant include of xm-ns32k.h.
12357 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
12359 * ns32k/ns32k.h: Update comment on multiply-add instructions.
12360 (TARGET_SWITCHES): Add documentation strings.
12361 (DWARF_FRAME_REGNUM): Override default definition.
12362 (REG_CLASS_CONTENTS): Add comments.
12363 (SUBSET_P): Format to reduce line length.
12364 (SMALL_REGISTER_CLASSES): Make a run time option.
12365 (GO_IF_NONINDEXED_ADDRESS): Reformat.
12366 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
12367 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
12368 (regclass_map): fix typo in comment.
12369 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
12370 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
12371 (trace, reg_or_mem_operand): Delete, unused function.
12372 (calc_address_cost): Small offsets are cheaper than large ones.
12373 (expand_block_move): Generate more efficient code when bytes is a
12374 known at compile time.
12375 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
12376 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
12377 instead of reg_or_mem_operand.
12379 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
12380 not general_operand. Similarly use "=rm" or stricter, not "=g".
12381 For input operands, use stricter constraints than "g" if not
12382 general_operand. Similarly use stricter predicate than
12383 "general_operand" when stricter constraints than "g" are present,
12384 except for matching constraints.
12385 (movstrsi): Use "memory_operand" for operands 0 and 1.
12386 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
12387 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
12388 not reg_or_mem_operand.
12389 (udivmoddisi4): Ditto.
12390 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
12391 Use nonimmediate_operand for operand 3, not register_operand.
12392 (udivmoddiqi4_internal): Use register_operand for operand 1, not
12393 reg_or_mem_operand.
12395 2000-01-27 Fred Fish <fnf@be.com>
12397 * gthr-posix.h: Fix typo; compatibily -> compatibility.
12398 * gthr-single.h: Likewise.
12399 * gthr-solaris.h: Likewise.
12400 * gthr-vxworks.h: Likewise.
12401 * gthr-win32.h: Likewise.
12402 * gthr.h: Likewise.
12404 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
12406 * cppinit.c: Add " (cpplib)" to end of string printed by
12409 2000-01-27 Richard Henderson <rth@cygnus.com>
12411 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
12412 testing for a signed comparison.
12413 (alpha_emit_floatuns): New.
12414 * alpha-protos.h: Declare it.
12415 * alpha.md (floatunsdisf2, floatunsdidf2): New.
12416 (extendsfdf2): Tidy.
12418 2000-01-27 Jakub Jelinek <jakub@redhat.com>
12420 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
12421 no -g option specifying debugging format, default to -gstabs+.
12423 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12425 * calls.c (special_function_p): New argument fork_or_exec.
12426 (expand_call): When profile_arc_flag is set and the function
12427 is in the fork_or_exec group, call __bb_fork_func first.
12428 * libgcc2.c, _bb module (__bb_fork_func): New function.
12429 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
12431 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
12432 * tree.h (special_function_p): Update prototype.
12434 2000-01-26 Richard Henderson <rth@cygnus.com>
12436 * alpha.c (alpha_split_tfmode_pair): New.
12437 * alpha-protos.h: Declare it.
12438 * alpha.md (abstf2, negtf2): New.
12439 (movtf insn): Add input G constraint.
12440 (movtf splitter): Use alpha_split_tfmode_pair.
12442 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12444 * i386/cygwin.h: PROTO -> PARAMS.
12446 2000-01-26 Jakub Jelinek <jakub@redhat.com>
12448 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
12449 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
12450 using _Qp_cmp/_Q_cmp and testing the return value.
12451 (print_operand): Call reverse_condition_maybe_unordered if
12452 we are handling CCFPmode or CCFPEmode.
12453 Handle ORDERED, UN* and LTGT comparisons.
12454 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
12455 if not TARGET_HARD_QUAD.
12456 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
12457 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
12458 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
12459 Adjust gen_b* calls so that they reflect return comparison of
12460 sparc_emit_float_lib_cmp.
12462 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12464 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
12465 incoming operands array is large enough for one more operand.
12466 (alpha_emit_xfloating_arith): Likewise.
12468 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
12470 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
12471 file with one line and no trailing newline.
12472 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
12473 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
12474 checking if the match is on the line.
12475 * fixinc/gnu-regex.c: Provide regerror not __regerror.
12477 2000-01-25 Richard Henderson <rth@cygnus.com>
12479 * sparc.c (output_cbranch): Fix accidental squashing of the
12480 fp branch pre-delay nop.
12482 2000-01-25 Richard Henderson <rth@cygnus.com>
12484 * tree.def (UNNE_EXPR): Remove.
12485 * c-typeck.c (build_binary_op): Don't handle it.
12486 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
12488 * rtl.def (UNNE): Remove.
12490 * jump.c (reverse_condition): Update accordingly.
12491 (swap_condition): Likewise.
12492 (comparison_dominates_p): Handle unordered comparisons.
12493 (reverse_condition_maybe_unordered): New.
12494 * rtl.h (reverse_condition_maybe_unordered): Declare.
12496 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
12497 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
12498 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
12499 * sparc.md (bltgt): New.
12501 2000-01-25 Nick Clifton <nickc@redhat.com>
12503 * emit-rtl.c (emit_insn): Only check machine class insns for
12504 improper emission of a RETURN.
12506 2000-01-25 Richard Henderson <rth@cygnus.com>
12508 * Makefile.in (flow.o): Depend on $(EXPR_H).
12509 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
12510 duplicate the structure of diddle_return_value for keeping regs live.
12512 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12514 * loop.c (current_loop_info): Delete.
12515 (consec_sets_invariant_p): Add loop argument, update callers.
12516 (get_condition_for_loop): Likewise.
12517 (count_nonfixed_reads, update_giv_derive): Likewise.
12518 (simplify_giv_expr, general_induction_var): Likewise.
12519 (consec_sets_giv, recombine_givs): Likewise.
12520 (move_movables): Delete loop_start and loop_end arguments,
12521 add loop argument, and update callers.
12522 (find_mem_givs, check_final_value): Likewise.
12523 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
12524 (loop_invariant_p): Rename from invariant_p, add loop argument, and
12526 (basic_induction_var): Add loop argument, delete loop_level argument,
12527 and update callers.
12528 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
12529 add loop argument, and update callers.
12530 (find_splittable_regs, find_splittable_givs): Likewise.
12531 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
12532 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
12533 (biv_total_increment): Delete loop_start and loop_end arguments;
12535 (precondition_loop_p): Delete loop_start and loop_info arguments;
12537 * loop.h (get_condition_for_loop): Add loop argument.
12538 (biv_total_increment): Delete loop_start and loop_end arguments.
12539 (precondition_loop_p): Delete loop_start and loop_info arguments;
12541 (final_biv_value): Delete loop_start and loop_end arguments;
12543 (final_giv_value, back_branch_in_range_p): Likewise.
12545 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
12547 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
12549 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
12551 * Makefile.in (c-gperf.h) : Change the "See" pointer to
12552 point to the new "generated_files" doc.
12554 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
12556 * config/fp-bit.c (_unord_f2): Fix typo.
12558 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
12560 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
12561 c-typeck.c, objc/objc-act.c: Remove all references to obstack
12562 functions obsoleted by GC, such as push_obstacks_nochange,
12563 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
12564 and code which existed only to decide whether or not to call
12565 them. Remove now-unused NESTED argument from start_function;
12566 all callers changed. Do not change behavior based on ggc_p.
12567 The use of the ixp_obstack in c-iterate.c and the util_obstack
12568 in objc/objc-act.c remain; these are not obsoleted by garbage
12570 * c-tree.h: Update prototype for start_function.
12572 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
12574 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
12576 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
12579 2000-01-25 Richard Henderson <rth@cygnus.com>
12581 * sparc-protos.h (select_cc_mode): Declare.
12582 * sparc.c (select_cc_mode): New. Handle unordered compares.
12583 (output_cbranch): Always reverse via code change. Handle
12584 unordered compares. Factor tests and string updates.
12585 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
12586 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
12587 * sparc.md (bunordered, bordered): New.
12588 (bungt, bunlt, buneq, bunge, bunle): New.
12590 2000-01-25 Richard Henderson <rth@cygnus.com>
12592 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
12593 * ggc-common.c (ggc_add_rtx_varray_root): New.
12594 (ggc_mark_rtx_varray): New.
12595 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
12596 functions down below ggc_mark_foo.
12597 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
12599 2000-01-25 Richard Henderson <rth@cygnus.com>
12601 * alpha.c (secondary_reload_class): Don't allocate a secondary
12602 for integral mode memories into FLOAT_REGS. Rearrange the more
12603 complicated memory expression inward.
12605 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
12607 * inclhack.def: Fixes to play nicer with FreeBSD, and
12608 corrections to comments.
12609 (cxx_unready): Add select expression.
12610 (irix_sockaddr): Add bypass expression.
12611 (machine_ansi_h_va_list): New fix.
12612 (stdio_va_list): No need to edit _BSD_VA_LIST_.
12613 Split out addition of "#include <stdarg.h>" to...
12614 (stdio_stdarg_h): ... here.
12615 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
12616 to stdlib.h also. Do not munge _BSD_SIZE_T_.
12617 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
12619 (ultrix_ifdef): Tighten up select expression.
12621 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
12622 re_ct and max_mach to avoid use of shell. Make printed names
12623 match names in inclhack.def. Use static copyright date.
12624 Don't count c_test and test expressions as requiring regex_t
12625 slots. Add some commentary.
12626 * inclhack.tpl: Do not include the 'This script contains N
12627 fixup scripts' line if PROGRAM is defined. Use static
12630 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
12632 * dwarf2out.c: include "varray.h", not dyn-string.h.
12633 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
12634 (addr_const_to_string, addr_to_string): Lose.
12635 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
12636 (struct dw_val_struct): val_addr is now an rtx.
12637 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
12638 (used_rtx_varray): New varray.
12639 (dwarf2out_init): Initialize it.
12640 (save_rtx): New fn.
12641 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
12643 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
12644 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
12645 * Makefile.in (dwarf2out.o): Update dependencies.
12647 2000-01-24 Richard Henderson <rth@cygnus.com>
12649 * i386.c (i386_dwarf_output_addr_const): New.
12650 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
12652 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
12654 * dwarfout.c (output_mem_loc_descriptor): Likewise.
12655 * i386.c (i386_simplify_dwarf_addr): New.
12656 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
12658 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
12660 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
12661 TYPE_STUB_DECL is NULL.
12663 2000-01-24 Richard Henderson <rth@cygnus.com>
12665 * builtins.c (expand_tree_builtin): Move ...
12666 * c-common.c (expand_tree_builtin): ... here.
12668 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12670 * loop.h (LOOP_INFO): New accessor macro.
12671 * basic-block.h (struct loop): Rename field `info' to `aux'.
12672 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
12673 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
12674 * unroll.c (loop_iterations, unroll_loop): Likewise.
12676 2000-01-24 Christopher Faylor <cgf@cygnus.com>
12678 * config/i386/t-cygwin: Accomodate new winsup directory layout
12679 when searching for include files.
12681 2000-01-24 Richard Henderson <rth@cygnus.com>
12683 * rtl.def: Add unordered fp comparisions.
12684 * tree.def: Likewise.
12685 * tree.h: Add ISO C 9x unordered fp comparision builtins.
12687 * builtins.c (expand_tree_builtin): New function.
12688 * c-typeck.c (build_function_call): Use it.
12689 (build_binary_op): Support unordered compares.
12690 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
12692 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
12693 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
12694 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
12695 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
12696 * jump.c (reverse_condition): Don't abort for UNLE etc, but
12698 (swap_condition): Handle unordered compares.
12699 (thread_jumps): Check can_reverse before reversing.
12700 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
12703 * optabs.c (can_compare_p): New argument CODE. Verify branch or
12704 setcc is present before acking for cmp_optab. Update all callers.
12705 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
12706 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
12707 * expr.c (expand_expr): Likewise. Support unordered compares.
12708 (do_jump, do_store_flag): Likewise.
12709 * expr.h (enum libfunc_index): Add unordered compares.
12711 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
12712 (DPBIT_FUNCS): Add _unord_df.
12713 * config/fp-bit.c (_unord_f2): New.
12714 * fp-test.c (main): Try unordered compare builtins.
12716 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
12717 * alpha.c (alpha_comparison_operator): Check mode properly.
12718 (alpha_swapped_comparison_operator): Likewise.
12719 (signed_comparison_operator): Likewise.
12720 (alpha_fp_comparison_operator): New.
12721 (alpha_emit_conditional_branch): Handle unordered compares.
12722 * alpha.h (PREDICATE_CODES): Update.
12723 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
12724 (bunordered, bordered): New.
12726 2000-01-24 Richard Henderson <rth@cygnus.com>
12728 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
12729 * alpha.md (movtf): New expander, insn, and splitter.
12731 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
12733 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
12736 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
12738 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
12739 (FIXED_REGISTERS, CALL_USED_REGISTERS,
12740 REG_ALLOC_ORDER): Add frame pointer
12741 (FRAME_POINTER_REGNUM): Set to 20
12742 (HARD_FRAME_POINTER_REGNUM): New macro.
12743 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
12744 to HARD_FRAME_POINTER.
12745 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
12746 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
12747 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
12748 (HI_REGISTER_NAMES): Add "frame".
12749 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
12750 (debug_reg): Handle FRAME_POINTER_REGNUM.
12751 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
12752 GENERAL_REGS and INDEX_REGS.
12753 * i386.c (SAVED_REGS_FIRST): new macro.
12754 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
12755 (ix86_decompose_address, memory_address_length): Likewise.
12756 (regclass_map): Add frame pointer.
12757 (call_insn_operand): Handle frame_pointer_rtx.
12758 (reg_no_sp_operand): Likewise.
12759 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
12760 (print_operand, legitimize_pic_address): Fix formating.
12761 (ix86_compute_frame_size): Make static, update prototype, new
12762 parameters padding1, padding2, use ix86_nsaved_regs, use
12763 stack_alignment_needed.
12764 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
12765 to HARD_FRAME_POINTER_REGNUM conversions.
12766 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
12767 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
12768 (print_reg): Abort on FRAME_POINTER_REGNUM
12770 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
12772 * i386.h (PREDICATE_CODES): Add aligned_operand.
12773 * i386.c (aligned_operand): New function.
12774 (ix86_aligned_p): Kill.
12775 * i386.md (movhi_1): Emit mov for aligned operands.
12776 (promoting peep2s): Use aligned_operand.
12778 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
12780 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
12781 expression to allow underscores in macro names.
12782 (fix_char_macro_defines): Increment scanning pointer.
12784 2000-01-23 Richard Henderson <rth@cygnus.com>
12786 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
12787 * alpha/osf5.h: New file.
12788 * configure.in (alpha-*-osf5): Add it to tm_file.
12790 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
12792 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
12793 (alpha_emit_xfloating_cvt, function_arg): Declare.
12794 * alpha.c (alpha_emit_conditional_branch): Call
12795 alpha_emit_xfloating_compare for TFmode compares.
12796 (alpha_lookup_xfloating_lib_func): New.
12797 (alpha_compute_xfloating_mode_arg): New.
12798 (alpha_emit_xfloating_libcall): New.
12799 (alpha_emit_xfloating_arith): New.
12800 (alpha_emit_xfloating_compare): New.
12801 (alpha_emit_xfloating_cvt): New.
12802 (print_operand): Add default abort case.
12803 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
12804 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
12805 (BIGGEST_ALIGNMENT): Increase to 128 bits.
12806 (RETURN_IN_MEMORY): True for TF/TCmode.
12807 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
12808 (FUNCTION_ARG): Move to function_arg.
12809 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
12810 (ASM_OUTPUT_LONG_DOUBLE): New.
12811 (ASM_OUTPUT_DOUBLE): Always output bits.
12812 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
12813 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
12814 (extenddftf2, trunctfdf2): New.
12816 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12818 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
12819 * config/sparc/sol2.h: ... here.
12821 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12823 * basic-block.h (struct loops): New field `levels'.
12824 * flow.c (flow_loops_level_compute): Traverse all outer loops.
12825 (flow_loop_level_compute): Initialise level to 1.
12826 (flow_loops_find): Set loops->levels.
12827 (flow_loops_dump): Print loops->levels.
12829 2000-01-23 Richard Henderson <rth@cygnus.com>
12831 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
12832 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
12834 2000-01-23 Richard Henderson <rth@cygnus.com>
12836 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
12837 * i386.h (DBX_REGISTER_NUMBER): Use them.
12838 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
12839 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
12840 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
12841 * i386/sequent.h: Kill incorrect comment.
12843 2000-01-23 Mark Mitchell <mark@codesourcery.com>
12845 * ggc-page.c (struct page_entry): Make `context_depth' an
12847 (struct globals): Likewise.
12849 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
12851 * loop.c (check_dbra_loop): When checking a loop for
12852 reversability, check the source of any stores to ensure
12853 they don't depend on an initial value.
12855 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12857 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
12859 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
12861 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
12862 'pz_scan' into scope of entire function. Only affects
12863 compiles with -DDEBUG.
12865 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
12867 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
12868 section naming to that prior to 2000-01-07 patch.
12869 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
12870 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
12871 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
12872 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
12873 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
12875 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
12877 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
12880 2000-01-21 Jim Wilson <wilson@cygnus.com>
12882 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
12883 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
12885 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
12887 * cpphash.c (change_newlines): Delete function.
12888 (struct argdata): Delete 'newlines' and 'use_count' fields.
12889 (macroexpand): Remove code referencing those fields.
12891 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12893 * loop.c (loops_info): New variable.
12894 (loop_optimize): Allocate loops->array and free it on exit.
12895 Allocate memory for loops_info and assign to each loop,
12897 (find_and_verify_loops): Do not allocate loops->array.
12899 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
12901 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
12903 2000-01-21 Jakub Jelinek <jakub@redhat.com>
12905 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
12906 pseudos if expanded after first flow.
12907 (movdi_pic_label_ref): Likewise.
12909 2000-01-20 Richard Henderson <rth@cygnus.com>
12911 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
12913 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
12915 * Makefile.in (fixinc.sh): Depend on specs.
12916 * fixinc/Makefile.in: Add rule to create machname.h.
12917 (fixlib.o): Depend on machname.h.
12918 * fixinc/fixtests.c (machine_name): New test.
12919 * fixinc/fixfixes.c (machine_name): New fix.
12920 * fixinc/fixlib.c (mn_get_regexps): New helper function for
12921 the machine_name test and fix.
12922 * fixinc/fixlib.h: Prototype it.
12923 * fixinc/inclhack.def (machine_name): Use the C test and fix.
12924 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
12926 * gcc.c (do_spec_1) [case P]: Take care not to create
12927 identifiers with three leading or trailing underscores.
12929 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
12930 (fixincl): Don't specify libraries twice on link line.
12931 (gnu-regex.o): Remove special rule.
12932 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
12933 defined by config.h. Do not define _REGEX_RE_COMP.
12934 (regcomp): Allocate and initialize a fastmap.
12935 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
12937 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
12939 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
12941 2000-01-19 Richard Henderson <rth@cygnus.com>
12943 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
12944 arguments with BB. Update all callers. Tidy line wrapping.
12946 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
12948 * emit-rtl.c (try_split): Return last_insn if we split the
12951 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
12953 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
12954 (ix86_initial_elimination_offset): Declare.
12955 * i386.c (ix86_nsaved_regs): Break out from ...
12956 (ix86_can_use_return_insn_p): ... here.
12957 (ix86_emit_save_regs): Break out from ...
12958 (ix86_expand_prologue): ... here.
12959 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
12961 (ix86_expand_epilogue): ... here.
12962 (ix86_compute_frame_size): Make static, add prototype.
12963 (ix86_initial_elimination_offset): Break out from ...
12964 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
12966 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12968 * recog.h (OUT_FCN): Delete.
12970 * vax.md: Call `get_insn_template' instead of OUT_FCN.
12972 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12974 * cppalloc.c: PROTO -> PARAMS.
12975 * cpperror.c: Likewise.
12976 * cppfiles.c: Likewise.
12977 * cpplib.c: Likewise.
12978 * cpplib.h: Likewise.
12980 * config/arm/arm-protos.h: PROTO -> PARAMS.
12981 * config/arm/arm.c: Likewise.
12982 * config/c4x/c4x.c: Likewise.
12983 * config/fr30/fr30-protos.h: Likewise.
12984 * config/nextstep.c: Likewise.
12985 * config/pa/pa.c: Likewise.
12986 * config/pj/pj.c: Likewise.
12987 * config/rs6000/rs6000.c: Likewise.
12988 * config/v850/v850-protos.h: Likewise.
12989 * config/v850/v850.c: Likewise.
12991 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12993 * i370-protos.h: New file.
12995 * i370.c: Include tm_p.h. Fix compile time warnings.
12997 * i370.h: Move prototypes to i370-protos.h. Fix compile time
13000 * i370.md: Likewise.
13002 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13004 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
13005 (target_isinf, target_isnan, eisnan): Mark parameter with
13007 (eiisinf): Wrap in INFINITY.
13008 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
13009 (ibmtoe): Remove unused variable `rndsav'.
13011 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13013 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
13014 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
13016 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
13018 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
13019 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
13020 (fix_char_macro_defines, fix_char_macro_uses): New functions.
13022 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
13023 Recognize Emacs mode markers also.
13024 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
13025 C++ comments in C++ headers. Call is_cxx_header only if
13028 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
13029 bypass for ncurses.
13030 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
13031 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
13032 ... these, which use the new C fixes.
13033 (math_exception): Escape literal '+' in bypass expression.
13035 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
13038 2000-01-19 Geoff Keating <geoffk@cygnus.com>
13040 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
13043 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13045 * loop.c (loop_optimize): Allocate loop_info structure for each loop
13046 prior to calling scan_loop.
13048 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13050 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
13051 (split_branches, calc_live_regs): Likewise.
13053 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13055 * sh.md (fpu_single, fp_mode): New attributes.
13057 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13059 * loop.c (current_loop_info): Renamed from loop_info_data
13060 and changed to a pointer.
13061 (loop_optimize): Allocate loop_info structure for each loop
13062 and initialise to zero.
13063 (scan_loop): Set current_loop_info.
13065 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
13068 2000-01-19 Richard Henderson <rth@cygnus.com>
13070 * stupid.c: Die die die.
13071 * Makefile.in (OBJS): Remove stupid.o.
13072 (stupid.o): Likewise.
13074 * except.c (emit_eh_context): Don't emit USEs for stupid.
13075 * explow.c (probe_stack_range): Likewise.
13076 * flags.h (obey_regdecls): Remove.
13077 * flow.c (find_basic_blocks): Don't run try_merge_blocks
13078 when not optimizing.
13079 (life_analysis): Limit data collection when not optimizing.
13080 (mark_regs_live_at_end): Always mark the return value registers.
13081 (mark_used_regs): Remove dummy RETURN case.
13082 (print_rtl_with_bb): Don't consult obey_regdecls.
13083 * function.c (use_variable, use_variable_after): Remove.
13084 (assign_parms): Consult optimize not obey_regdecls.
13085 (expand_function_start): Don't emit USEs for stupid.
13086 (expand_function_end): Likewise.
13087 * global.c (build_insn_chain): Export.
13088 * integrate.c (expand_inline_function): Kill return-value USE
13090 * jump.c (jump_optimize_1): Do simple jump optimizations and
13091 dead code elimination.
13092 (calculate_can_reach_end): Remove check_deleted argument.
13093 (delete_insn): Patch out insns even when not optimizing.
13094 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
13095 * rtl.h (use_variable, use_variable_after): Remove declarations.
13096 (build_insn_chain): Declare.
13097 * stmt.c (expand_value_return): Don't emit USEs for stupid.
13098 (expand_end_bindings): Likewise.
13099 (expand_decl): Likewise. Consult optimize not obey_regdecls.
13100 * toplev.c (obey_regdecls): Remove.
13101 (rest_of_compilation): Don't set it. Kill stupid in favour of
13102 flow1, local-alloc, and reload.
13103 (main): Don't set obey_regdecls.
13105 * config/nextstep.c (handle_pragma): Likewise.
13107 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
13109 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
13111 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13113 * alpha-protos.h: PROTO -> PARAMS.
13114 * alpha.c: Likewise.
13116 * h8300.c: Likewise.
13117 * i386-protos.h: Likewise.
13118 * i386.c: Likewise.
13119 * m32r-protos.h: Likewise.
13120 * m32r.c: Likewise.
13121 * mips.c: Likewise.
13122 * mips.md: Likewise.
13123 * gmon-sol2.c: Likewise.
13124 * sparc.c: Likewise.
13126 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13128 * ns32k-protos.h: New file.
13130 * ns32k.c: Fix compile time warnings.
13132 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
13135 * ns32k.md: Likewise.
13137 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13139 * vax-protos.h: New file.
13141 * vax.c: Fix compile time warnings.
13143 * vax.h: Move prototypes to vax-protos.h. Fix compile time
13146 * vax.md: Likewise.
13148 * vaxv.md: Likewise.
13150 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13152 * romp-protos.h: New file.
13154 * romp.c: Fix compile time warnings.
13156 * romp.h: Move prototypes to romp-protos.h. Fix compile time
13159 * romp.md: Likewise.
13161 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13163 * we32k-protos.h: New file.
13165 * we32k.c: Fix compile time warnings.
13167 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
13170 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13172 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
13174 * except.c (eh_regs): Likewise.
13176 * final.c (output_operand): Likewise.
13178 * fold-const.c (target_isinf, target_isnan): Likewise.
13180 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
13182 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
13183 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
13185 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
13186 when optimize_size.
13187 (clrstrsi): Rewrite.
13188 (strsethi, strsetqi): New expanders.
13189 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
13190 (cmpstrsi): Emit compare insn before cmpstrsi_1
13191 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
13192 (strlensi_1): Likewise.
13193 (cmpstrsi_1): Likewise; do not output compare.
13194 (strlen expander): Do not unroll when optimizing for size.
13195 (*subsi3_carry): Rename to subsi3_carry
13196 (addqi3_cc): New pattern.
13197 * i386.h (processor_costs): Add move_ratio field.
13198 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
13199 * i386.c (*_cost): Set move_ratio.
13200 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
13201 (x86_expand_strlensi_1): Rewrite the main loop.
13203 2000-01-17 Richard Henderson <rth@cygnus.com>
13205 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
13206 * cse.c (find_comparison_args, fold_rtx): Likewise.
13207 * integrate.c (subst_constants): Likewise.
13208 * loop.c (get_condition): Likewise.
13210 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
13212 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
13214 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13216 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
13217 (RESTORE_WARN_FLAGS): Unpack it.
13218 Change semantic type of extension to ttype.
13219 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
13220 * c-parse.y, c-parse.c, objc/objc-parse.y,
13221 objc/objc-parse.c: Regenerate.
13223 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
13225 * fixinc/fixlib.c: Add copyright notice.
13226 (compile_re): New function.
13227 * fixinc/fixlib.h: Prototype compile_re.
13229 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
13230 Use compile_re to compile regular expressions.
13232 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
13233 where the pattern matched.
13235 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
13237 (ultrix_ansi_compat): Likewise.
13238 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
13240 (interactv_add2, interactv_add3): Delete.
13241 (x11_sprintf): Don't use filename glob.
13242 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
13245 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13247 * print-rtl.c: PROTO -> PARAMS.
13248 * real.c: Likewise.
13249 * reg-stack.c: Likewise.
13250 * resource.c: Likewise.
13251 * sdbout.h: Likewise.
13252 * simplify-rtx.c: Likewise.
13253 * stor-layout.c: Likewise.
13254 * stupid.c: Likewise.
13255 * xcoffout.c: Likewise.
13256 * xcoffout.h: Likewise.
13258 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13260 * toplev.c: PROTO -> PARAMS.
13261 * toplev.h: Likewise.
13262 * tree.c: Likewise.
13263 * tree.h: Likewise.
13264 * unroll.c: Likewise.
13265 * varasm.c: Likewise.
13266 * varray.c: Likewise.
13267 * varray.h: Likewise.
13269 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13271 * reload.c: PROTO -> PARAMS.
13272 * reload.h: Likewise.
13273 * reload1.c: Likewise.
13274 * reorg.c: Likewise.
13275 * resource.h: Likewise.
13278 * rtlanal.c: Likewise.
13279 * sbitmap.h: Likewise.
13280 * sdbout.c: Likewise.
13281 * stack.h: Likewise.
13282 * stmt.c: Likewise.
13283 * system.h: Likewise.
13285 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13287 * machmode.h: PROTO -> PARAMS.
13288 * mbchar.h: Likewise.
13289 * mips-tdump.c: Likewise.
13290 * mips-tfile.c: Likewise.
13291 * optabs.c: Likewise.
13292 * output.h: Likewise.
13293 * prefix.c: Likewise.
13294 * profile.c: Likewise.
13295 * protoize.c: Likewise.
13296 * real.h: Likewise.
13297 * recog.c: Likewise.
13298 * recog.h: Likewise.
13299 * regclass.c: Likewise.
13300 * regmove.c: Likewise.
13301 * regs.h: Likewise.
13303 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13305 * ggc-common.c: PROTO -> PARAMS.
13306 * ggc-page.c: Likewise.
13307 * ggc-simple.c: Likewise.
13309 * global.c: Likewise.
13310 * graph.c: Likewise.
13311 * gthr-win32.h: Likewise.
13312 * haifa-sched.c: Likewise.
13313 * halfpic.h: Likewise.
13314 * integrate.c: Likewise.
13315 * integrate.h: Likewise.
13316 * jump.c: Likewise.
13318 * local-alloc.c: Likewise.
13319 * loop.c: Likewise.
13320 * loop.h: Likewise.
13322 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13324 * genattr.c: PROTO -> PARAMS.
13325 * genattrtab.c: Likewise.
13326 * gencheck.c: Likewise.
13327 * gencodes.c: Likewise.
13328 * genconfig.c: Likewise.
13329 * genemit.c: Likewise.
13330 * genextract.c: Likewise.
13331 * genflags.c: Likewise.
13332 * gengenrtl.c: Likewise.
13333 * genopinit.c: Likewise.
13334 * genoutput.c: Likewise.
13335 * genpeep.c: Likewise.
13336 * genrecog.c: Likewise.
13338 2000-01-16 Mark Mitchell <mark@codesourcery.com>
13340 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
13342 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13344 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
13345 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
13346 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
13347 * configure, config.in: Rebuilt.
13349 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
13351 * config/i386/i386.md: Add peephole to merge successive stack
13354 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
13356 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
13357 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
13358 when walking backwards to find all the parameter loads when
13359 the basic block ends in a call.
13361 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13363 * loop.c (this_loop_info): Delete.
13364 (uid_loop): Add in place of uid_loop_num. All uses updated.
13365 (loop_number_exit_count): Delete and replace with entry in loop
13366 structure. All uses updated.
13367 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
13368 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
13369 (loop_outer_loop): Likewise.
13370 (loop_invalid, loop_number_exit_labels): Likewise.
13371 (loop_used_count_register): Delete and replace with entry in
13372 loop_info structure.
13373 (find_and_verify_loops): Add loops argument.
13374 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
13375 loop_end, etc. arguments with loop structure pointer. All callers
13377 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
13378 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
13379 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
13380 (insert_bct): Likewise.
13381 (basic_induction_var): New argument level.
13382 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
13383 vtop, and cont. Add used_count_register.
13384 (uid_loop): Delete declaration.
13385 (loop_number_exit_count): Likewise.
13386 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
13387 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
13388 (loop_outer_loop, loop_used_count_register): Likewise.
13389 (loop_invalid, loop_number_exit_labels): Likewise.
13390 (unroll_loop): Replace loop_start and loop_end arguments
13391 with loop structure pointer.
13392 (loop_precondition_p, loop_iterations): Likewise.
13393 Include basic-block.h.
13394 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
13395 with loop structure pointer.
13396 (loop_precondition_p, loop_iterations): Likewise.
13397 * basic-block.h (struct loop): New entries vtop, cont,
13398 cont_dominator, start, end, top, scan_start, exit_labels,
13400 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
13402 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
13404 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
13406 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
13408 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
13410 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13412 * pdp11-protos.h: New file.
13414 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
13417 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
13420 * pdp11.md: Likewise.
13422 * 2bsd.h: Likewise.
13424 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13426 * mn10300-protos.h: New file.
13428 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
13431 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
13434 * mn10300.md: Likewise.
13436 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13438 * mn10200-protos.h: New file.
13440 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
13443 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
13446 * mn10200.md: Likewise.
13448 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13450 * h8300-protos.h: New file.
13452 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
13455 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
13458 * h8300.md: Likewise.
13460 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13462 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
13463 (asm_emit_uninitialised): Likewise.
13465 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
13467 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
13468 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
13470 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
13472 * config/mips/mips.c (override_options): Don't turn on extra
13473 alignment for mips16.
13475 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
13477 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
13478 eabi, and make sure queued POSTINCREMENT rtl is emitted at
13481 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
13483 * builtins.c (PAD_VARARGS_DOWN): Define.
13484 (std_expand_builtin_va_arg): Use the above macro.
13485 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
13486 * tm.texi (Register Arguments): Document the above macro.
13488 2000-01-14 Nick Clifton <nickc@cygnus.com>
13490 * emit-rtl.c (emit_insn): If checking is enabled, make sure
13491 that this function has not been used to emit a jump
13494 * jump.c (return_jump_1): Cope with being passed a null rtx.
13496 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13498 * eh-common.h: PROTO -> PARAMS.
13499 * emit-rtl.c: Likewise.
13500 * errors.c: Likewise.
13501 * errors.h: Likewise.
13502 * except.c: Likewise.
13503 * except.h: Likewise.
13504 * explow.c: Likewise.
13505 * expmed.c: Likewise.
13506 * expr.c: Likewise.
13507 * expr.h: Likewise.
13508 * final.c: Likewise.
13509 * fix-header.c: Likewise.
13510 * flow.c: Likewise.
13511 * fold-const.c: Likewise.
13512 * function.c: Likewise.
13513 * function.h: Likewise.
13515 * gcov-io.h: Likewise.
13516 * gcov.c: Likewise.
13517 * gcse.c: Likewise.
13519 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13521 * sh-protos.h: New file.
13523 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
13524 Add static prototypes. Fix compile time warnings.
13526 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
13530 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13532 * arc-protos.h: New file.
13534 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
13537 * arc.h: Move prototypes to arc-protos.h. Fix compile time
13540 * arc.md: Likewise.
13542 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13544 * dsp16xx-protos.h: New file.
13546 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
13549 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
13552 * dsp16xx.md: Likewise.
13554 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13556 * convex-protos.h: New file.
13558 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
13561 * convex.h: Move prototypes to convex-protos.h. Fix compile time
13564 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13566 * elxsi-protos.h: New file.
13568 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
13571 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
13574 * elxsi.md: Likewise.
13576 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
13578 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
13579 case for moving from HI/LO/HI_LO_REG. This makes the behavior
13580 match the comment for MIPS16.
13582 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
13584 * flow.c (split_edge): Do not call set_block_for_insn if we
13585 do not have a basic_block_for_insn structure.
13587 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
13588 and destination functions are 32bit aligned within the trampoline.
13589 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
13590 (TRAMPOLINE_ALIGNMENT): Define.
13592 * cse.c (cse_insn): When changing (set (pc) (reg)) to
13593 (set (pc) (label_ref)), verify the change creates a valid insn.
13595 * fr30.c (call_operand): Tighten and rework to match rules for
13596 call RTL expressions.
13597 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
13598 * fr30.md (call patterns): Improve constraints.
13600 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
13602 * fr30.c (fr30_expand_epilogue): Revert last change.
13603 Use emit_jump_insn for the return insn.
13605 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
13606 Stan Cox <scox@cygnus.com>
13608 * predict.c: New file. Preliminary infrastructure work for static
13609 branch prediction and basic block reordering.
13610 * basic-block.h: Add prototype for estimate_probability.
13611 * Makefile.in: Add rules for predict.o.
13613 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
13615 * fixincludes (va_list): Use __not_va_list__ for the dummy.
13616 * fixinc/*: Likewise.
13618 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13620 * cccp.c: PROTO -> PARAMS.
13621 * cexp.y: Likewise.
13622 * collect2.c: Likewise.
13623 * combine.c: Likewise.
13624 * convert.h: Likewise.
13626 * dbxout.c: Likewise.
13627 * dbxout.h: Likewise.
13628 * diagnostic.c: Likewise.
13629 * doprint.c: Likewise.
13630 * dwarf2out.c: Likewise.
13631 * dwarf2out.h: Likewise.
13632 * dwarfout.c: Likewise.
13633 * dwarfout.h: Likewise.
13634 * dyn-string.h: Likewise.
13636 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13638 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
13639 macro conditionals guarding use.
13641 * dwarf2out.c: Include "tm_p.h".
13643 * function.c (locate_and_pad_parm): Mark parameter with
13645 (expand_function_end): Likewise for variable `context'.
13647 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
13649 2000-01-13 Nick Clifton <nickc@cygnus.com>
13651 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
13652 register to prevent compile time warnings.
13654 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
13656 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
13657 to avoid -Wtraditional warning.
13659 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13661 * 1750a-protos.h: New file.
13663 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
13666 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
13669 * 1750a.md: Likewise.
13671 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13673 * a29k-protos.h: New file.
13675 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
13678 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
13681 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13683 * clipper-protos.h: New file.
13685 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
13688 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
13691 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13693 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
13695 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
13697 * configure.in (--enable-new-gxx-abi): New option.
13698 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
13699 * Makefile.in (GXX_ABI_FLAG): New variable.
13700 * configure: Regenerate.
13702 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13704 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
13705 * tm.texi (FORCE_STRUCT_BLK): Document.
13706 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
13708 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
13710 * config/ns32k/ns32k.md: Revert Jan 9 change.
13712 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
13713 to a mode-test, if the predicate is address_operand.
13715 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
13717 * combine.c (if_then_else_cond): Be careful about what kinds
13718 of RTL expressions are passed to operand_subword.
13720 * flow.c (split_edge): If we have to insert a new jump, make
13721 sure to associate it with a basic block.
13723 * flow.c (commit_one_edge_insertion): A block with one successor
13724 can end in a JUMP_INSN that is not a simplejump.
13726 2000-01-12 Robert Lipe <robertl@sco.com>
13728 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
13729 (BUILD_VA_LIST_TYPE): Define.
13730 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
13733 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
13735 * cccp.c (do_pragma): Add cast to (char *).
13737 2000-01-12 Richard Henderson <rth@cygnus.com>
13738 Fred Fish <fnf@be.com>
13739 Jason Merrill <jason@cygnus.com>
13741 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
13742 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
13743 * i386/beos-elf.h, i386/beos-pe.h: New files.
13745 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
13746 * cross-make (SYSTEM_HEADER_DIR): Define using
13747 CROSS_SYSTEM_HEADER_DIR.
13749 * gcc.c (LIBRARY_PATH_ENV): Provide default.
13750 (process_command): Use it.
13751 (main): Likewise. Kill trailing = from env vars.
13752 (build_search_list): Put it back.
13753 * collect2.c (main): Use LIBRARY_PATH_ENV.
13755 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
13756 * toplev.c: Use NEED_DECLARATION_ENVIRON.
13758 * tm.texi (Frame Layout): Document SMALL_STACK.
13759 * c-common.c (c_common_nodes_and_builtins): Check it.
13761 * system.h: Undef alloca after including glibc's <stdlib.h>,
13762 if USE_C_ALLOCA is defined.
13764 * gcc.c (set_input): New fn.
13765 (main): After all input files are compiled, reset the input file
13768 * aclocal.m4 (rindex, index): If already defined, don't attempt
13771 * ginclude/varargs.h: (__va_list__): Define ifndef.
13772 * ginclude/stdarg.h: Likewise.
13774 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
13775 instead of unsigned char.
13777 * hash.h (true, false, boolean): Undef before enum.
13779 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
13780 proper type of "HOST_WIDE_INT *", rather than their natural type of
13781 "unsigned HOST_WIDE_INT *".
13783 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13785 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
13787 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
13789 * regclass.c (choose_hard_reg_mode): Likewise.
13791 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
13793 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
13795 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13797 * c-common.c: PROTO -> PARAMS.
13798 * c-common.h: Likewise.
13799 * c-decl.c: Likewise.
13800 * c-iterate.c: Likewise.
13801 * c-lang.c: Likewise.
13802 * c-lex.c: Likewise.
13803 * c-lex.h: Likewise.
13804 * c-parse.in: Likewise.
13805 * c-pragma.c: Likewise.
13806 * c-pragma.h: Likewise.
13807 * c-tree.h: Likewise.
13808 * c-typeck.c: Likewise.
13809 * objc/objc-act.c: Likewise.
13810 * objc/objc-act.h: Likewise.
13812 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13814 * m88k-protos.h: New file.
13816 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
13819 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
13821 * m88k.md: Likewise.
13823 * tekXD88.h: Likewise.
13825 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13827 * m68k-protos.h: New file.
13829 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
13832 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
13834 * mot3300.h: Likewise.
13836 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
13838 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
13840 (extract_bitlist): Declare bitlen.
13842 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
13844 * cccp.c: Accept and ignore -lang-fortran.
13846 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
13847 qualifiers don't match at any level of pointerness.
13849 2000-01-12 Robert Lipe <robertl@sco.com>
13851 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
13853 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
13855 * reload1.c (reload_reg_unavailable): New static variable.
13856 (reload_reg_free_p): Test it.
13857 (reload_reg_free_for_value_p): Test it instead of
13859 (choose_reload_regs_init): Compute it.
13861 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
13863 * reorg.c (fill_slots_from_thread): Check modified_in_p
13866 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
13868 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
13869 these nodes even if INTERNALS is not set.
13871 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
13873 * gcse.c (delete_null_pointer_checks_1): Cope when
13874 get_condition cannot determine the condition.
13876 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
13878 * toplev.h (set_message_length): Declare.
13880 * diagnostic.c (obstack_chunk_alloc): Define macro.
13881 (obstack_chunk_free): Likewise.
13882 (struct output_buffer): New data structure.
13883 (vmessage): Remove.
13884 (output_maximum_width): New variable.
13885 (doing_line_wrapping, set_message_length, init_output_buffer,
13886 get_output_prefix, output_space_left, emit_output_prefix,
13887 output_newline, output_append, output_puts, dump_output,
13888 vbuild_message_string, build_message_string, build_location_prefix,
13889 voutput_notice, output_printf, line_wrapper_printf,
13890 vline_wrapper_message_with_location): New functions. Implement
13891 automatic line wrapping.
13892 (v_message_with_decl): Make it handle automatic line wrapping.
13893 (v_error_with_file_and_line): Likewise.
13894 (v_warning_with_file_and_line): Likewise.
13895 (announce_function): Likewise.
13896 (default_print_error_function): Likewise.
13898 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
13900 * cpplib.h (struct cpp_options): Change lang_asm to char.
13902 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
13903 done in cpp_handle_option now.
13904 (initialize_builtins): Take out special case code used only by
13906 (cpp_handle_option): Turn off trigraphs and trigraph warnings
13907 if -traditional. Recognize -lang-fortran and set
13908 lang_fortran, also turn off cplusplus_comments.
13909 (print_help): Document -lang-fortran.
13910 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
13911 lang_asm. Ignore all directives other than `# 123 "file"' if
13913 (cpp_get_token): If -traditional, don't recognize directives
13914 unless the # is in column 1.
13915 (parse_string): If lang_fortran or lang_asm, silently
13916 terminate strings ('' or "") at end of line.
13917 Remove unnecessary braces.
13919 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13920 Richard Henderson <rth@cygnus.com>
13922 * resource.c (mark_referenced_resources): Mark a set strict_low_part
13924 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
13925 strict_low_part when possible.
13927 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13929 * alias.c: PROTO -> PARAMS.
13930 * basic-block.h: Likewise.
13931 * bitmap.c: Likewise.
13932 * bitmap.h: Likewise.
13933 * builtins.c: Likewise.
13934 * c-aux-info.c: Likewise.
13935 * caller-save.c: Likewise.
13936 * calls.c: Likewise.
13938 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13940 * Makefile.in (toplev.o): Depend on regs.h.
13942 * output.h (tdesc_section): Prototype.
13944 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
13946 * sdbout.c: Include "tm_p.h".
13948 * toplev.c: Include "regs.h".
13950 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
13952 * unroll.c (unroll_loop): Add EH support.
13954 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13956 * pa-protos.h: New file.
13958 * pa.c: Include recog.h and tm_p.h.
13959 (compute_zdepwi_operands, compute_movstrsi_length,
13960 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
13961 find_addr_reg, import_milli): Add static prototypes.
13962 (pa_cpu_string, pa_arch_string): Constify a char*.
13963 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
13964 (read_only_operand): Add argument `mode'.
13965 (singlemove_string, output_move_double, output_fp_move_double,
13966 output_block_move, output_and, output_ior, output_ascii,
13967 remove_useless_addtr_insns, milli_names, output_mul_insn,
13968 output_div_insn, output_mod_insn, output_arg_descriptor,
13969 output_cbranch, output_bb, output_bvb, output_dbra, ,
13970 output_millicode_call, output_call, hppa_encode_label,
13971 output_parallel_movb, output_parallel_addb): Constify a char*.
13972 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
13973 (output_parallel_addb): Remove extra arg to `constrain_operands'
13975 * pa.h: Move all prototypes to pa-protos.h.
13976 (pa_cpu_string, pa_arch_string): Constify a char*.
13977 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
13979 * pa.md: Call `function_label_operand' with mode argument.
13980 Likewise for `read_only_operand'.
13981 Fix nesting of parens in call to `symbolic_operand'.
13983 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13985 * i860-protos.h: New file.
13987 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
13990 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
13992 * i860.md: Likewise.
13994 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
13996 * i386.md (movstrsi expander): Rewrite.
13997 (movstrsi_1 insn): Deleted.
13998 (strmovhi, strmovqi expander): New expanders.
13999 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
14000 * i386.c (x86_single_stringop): New global variable.
14001 * i386.h (x86_single_stringop): Declare.
14002 (TARGET_SINGLE_STRINGOP): New macro.
14004 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
14006 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
14007 integer vararg POSTINCREMENT before the destination of the jump
14008 for the hard fp case.
14009 (function_arg_pass_by_reference): Pass a copy of CUM to
14012 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
14013 for CONSTANT_ADDRESS_P above while loop for subreg.
14015 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
14017 * flow.c (propagate_block): When a prologue/epilogue insn
14018 is marked dead, unconditionally clear libcall_is_dead and
14019 insn_is_dead, and only dump rtl if warnings aren't being
14022 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
14024 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
14025 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
14026 (FIXED_REGISTERS): Set dirflag as fixed.
14027 (CALL_USED_REGISTERS): Set dirflag as used.
14028 (REG_ALLOC_ORDER): Set dirflag as last one.
14029 (DIRFLAG_REG): New macro.
14030 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
14031 (HI_REGISTER_NAMES): Add dirflag.
14032 (DEBUF_PRINT_REG): Handle dirflag.
14033 * i386.md (type attribute): New cld and str types.
14034 (length_opcode attribute): Set cld and str to 1.
14035 (memory attribute): Set str to unknown - it is not clear from the
14037 (pent_np function unit): Prefixed string operations takes 12 cycles
14038 minimally; cld takes 2 cycles.
14039 (ppro_uops attribute): Str is "many" and cld is "few".
14040 (ppro_p0 unit): Handle cld here.
14041 (k6_alux unit): Handle cld and str types.
14042 (k6_load unit): It is ocupied by str opcodes.
14043 (k6_store unit): It is ocupied by str opcodes.
14044 (athlon_decode): Str is vector decoded.
14045 (athlon_ieu): Handle str and cld.
14046 (cld pattern): New.
14047 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
14048 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
14049 cmpstrsi_nz_1 insn): Do not output cld instruction
14051 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
14053 * gcc.texi (G++ and GCC): Add Java and Chill.
14054 (Bug Critera): Don't list languages.
14056 * gcc.texi (Incompatibilities): No longer claim most C compilers
14059 * gcc.texi (G++ and GCC): Update other front-ends list.
14061 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
14063 * i386.c (ix86_expand_setcc): Fix typo.
14064 (ix86_expand_movcc): Similarly.
14066 * Band-aid until haifa's bitset implementation is nuked.
14067 * haifa-sched.c (extract_bitlst): New parameter for size of the
14068 bitset in bits. All callers changed. Avoid looking at undefined
14069 bits in the bitset.
14070 (edgeset_bitsize): New variable.
14071 (schedule_region): Initialize edgeset_bitsize.
14073 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14075 * Makefile.in (optabs.o): Depend on real.h
14076 (resource.o): Depend on insn-attr.h
14078 * builtins.c (result_vector): Wrap prototype in macro conditions
14079 governing definition and use.
14081 * c-common.c: Include tm_p.h.
14083 * c-lex.c: Likewise.
14085 * elfos.h: Constify a char*.
14087 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
14088 (get_attr_length, shorten_branches, profile_after_prologue): Mark
14089 parameter with ATTRIBUTE_UNUSED.
14091 * fold-const.c (exact_real_inverse): Wrap variable `i' in
14094 * haifa-sched.c (schedule_insns): Mark parameter with
14097 * optabs.c: Include real.h.
14099 * real.h (ereal_atof): Add prototype arguments.
14101 * resource.c: Include insn-attr.h.
14103 * sdbout.c (sdbout_queue_anonymous_type,
14104 sdbout_dequeue_anonymous_types): Wrap in macro
14105 SDB_ALLOW_FORWARD_REFERENCES.
14106 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
14109 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
14111 * stupid.c: Include tm_p.h.
14113 * tree.c (real_value_from_int_cst): Mark parameter with
14116 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14118 * i960-protos.h: New file.
14120 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
14123 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
14125 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14127 * combine.c (expand_field_assignment): Do not discard SUBREGs
14128 while computing nonzero_bits.
14130 2000-01-09 Nick Clifton <nickc@cygnus.com>
14132 * config/arm/arm.c: Fix compile time warnings about signed vs
14133 unsigned constants.
14134 * config/arm/arm.h: Fix compile time warnings about signed vs
14135 unsigned constants.
14137 2000-01-09 Philip Blundell <philb@gnu.org>
14139 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
14140 than `ldm' with only one register.
14141 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
14144 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
14147 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
14149 * config/ns32k/ns32k.md (load or push effective address): Operand 1
14152 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14154 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
14155 assignment used as truth value.
14157 * function.c (assign_temp): Mark parameter `dont_promote' with
14158 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
14159 PROMOTE_FOR_CALL_ONLY.
14161 * genrecog.c (write_subroutine): Mark variable `operands' with
14164 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
14167 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
14168 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
14170 * toplev.c (note_deferral_of_defined_inline_function): Likewise
14173 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14175 * config/c4x.h: Tidy up comments.
14176 * config/c4x.c: Likewise.
14178 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
14180 * fold-const.c (lshift_double, rshift_double): Handle
14181 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
14183 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14185 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
14186 in prepare_function_start().
14188 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
14190 * config/v850/v850.c (expand_epilogue): Interrupt functions no
14191 longer allocate extra stack for function calls.
14193 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14195 * config/c4x/c4x.md (*subqf3_set): Fix typo.
14197 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14199 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
14201 2000-01-07 David Edelsohn <edelsohn@gnu.org>
14203 * rs6000.c (processor_target_table): Add power3 as alias for 630.
14204 * aix43.h: Revert Aug 2 change.
14205 (HAS_INIT_SECTION): Define, not visible yet.
14206 (LD_INIT_SWITCH): Define, not visible yet.
14207 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
14209 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
14211 * collect2.c (main): Expand ld2 size further.
14212 (export_object_lst): Cast assignment to avoid warning.
14213 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
14214 (scan_prog_file, COFF): Do not collect initialization or
14215 finalization functions generated for entire shared object if
14216 init/fini support present.
14218 2000-01-07 Nick Clifton <nickc@cygnus.com>
14220 * config/elfos.h: Tidy up formatting of marcos. Make sure
14221 that .section directives are always prefixed by a tab.
14223 * config/svr4.h: Add #include "elfos.h" and remove duplicate
14226 2000-01-07 Matt Austern <austern@sgi.com>
14228 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
14231 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
14233 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
14235 (crtbegin.o, s-crtS): Likewise.
14237 2000-01-06 Richard Henderson <rth@cygnus.com>
14239 * alpha.md (adddi_2+1): Limit offset such that it will be
14240 loadable with a single ldah+lda pair.
14241 (adddi_2+2): Explicitly fail split if we can't make it work.
14243 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
14245 * protoize.c: Conditionally include unistd.h.
14246 (IS_SAME_PATH_CHAR): New macro.
14247 (IS_SAME_PATH): New macro.
14248 (CPLUS_FILE_SUFFIX): New macro.
14249 (cplus_suffix): New static variable.
14250 (is_abspath): New static function.
14251 (in_system_include_dir): Handle DOS style pathnames.
14252 (file_could_be_converted): Likewise.
14253 (file_normally_convertible): Likewise.
14254 (directory_specified_p): Likewise.
14255 (file_excluded_p): Likewise.
14256 (abspath): Likewise.
14257 (shortpath): Likewise.
14258 (referenced_file_is_newer): Likewise.
14259 (save_def_or_dec): Likewise.
14260 (do_processing): Likewise.
14262 (edit_file): Likewise. Use rename instead of link.
14263 (rename_c_file): Likewise. Don't rename syscalls file.
14264 (munge_compile_params): Define null device for DOS based systems.
14265 (process_aux_info_file): Use binary mode if appliable.
14266 (edit_file): Likewise.
14267 * invoke.texi (Running Protoize): Document C++ suffixes used.
14269 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
14270 IS_DIR_SEPARATOR macros.
14271 * collect2.c: Likewise.
14272 * cppinit.c: Likewise.
14273 * dwarf2out.c: Likewise.
14275 * gcov.c: Likewise.
14276 * prefix.c: Likewise.
14278 * toplev.c: Likewise.
14279 * system.h: And move to here.
14281 * prefix.c (update_path): Fix typo in variable name.
14283 2000-01-06 Richard Henderson <rth@cygnus.com>
14285 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
14286 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
14287 (count_reg_sets_1, count_reg_references): Likewise.
14288 (flow_loops_level_compute): Start counting actual loop depth at 1.
14289 (flow_loops_find): Likewise.
14290 * local-alloc.c (update_equiv_regs): Likewise.
14291 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
14293 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
14295 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
14296 FIRST_PSEUDO_REGISTER
14297 * dwarf2out.c: Don't include frame.h
14298 * dwarfout.c: Likewise
14299 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
14302 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
14304 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
14307 * i386.c (movsf splitter): Fix typo in my last checkin.
14309 2000-01-05 Nick Clifton <nickc@cygnus.com>
14311 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
14312 own definition of this macro.
14313 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
14314 flag_data_sections or UNIQUE_SECTION_P are true.
14316 * tm.texi (UNIQUE_SECTION): Document that it can be called for
14317 unitialised data decls.
14319 * config/i386/winnt.c (i386_pe_unique_section): Cope with
14320 being called for uninitialised data.
14322 * config/i386/interix.c (i386_pe_unique_section): Cope with
14323 being called for uninitialised data.
14325 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
14326 for uninitialised data.
14328 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
14329 for uninitialised data.
14331 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
14332 for uninitialised data.
14334 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
14335 (UNIQUE_SECTION_P): Always generate a unique section if
14336 flag_data_sections is true.
14337 (UNIQUE_SECTION): Also generate unique sections for
14338 uninitialised data.
14339 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
14340 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
14343 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14345 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
14348 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14350 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
14351 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
14352 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
14353 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
14354 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
14356 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
14358 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
14360 * c-decl.c (finish_enum): Simplify code to determine minimum and
14361 maximum values of the enum, and calculate the type. Remove check
14362 for FUNCTION_DECLs in the values list, which cannot happen. Replace
14363 the DECL_INITIAL of each enumeration constant with a copy converted
14364 to the enumeration type. When updating variant types, don't bother
14365 updating the type itself.
14367 * c-typeck.c (build_binary_op): Simplify conditional expressions
14368 when weeding out spurious signed-unsigned warnings. Add new
14369 spurious warning category: if the unsigned quantity is an enum
14370 and its maximum value fits in signed_type(result_type). Update
14372 (build_conditional_expr): Warn here if one alternative is signed
14373 and the other is unsigned.
14375 2000-01-05 Nick Clifton <nickc@cygnus.com>
14377 * config/fr30/fr30.h: Remove extraneous comments.
14379 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
14381 * reload1.c (choose_reload_regs): When disabling a reload, also
14382 set reload_spill_index to -1.
14384 2000-01-04 Joel Sherrill (joel@OARcorp.com>
14386 * configure.in (m68*-*-rtemscoff*): New target, formal name for
14388 (m68*-*-rtemself*): New target.
14389 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
14390 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
14391 (sparc*-*-rtemself*): New target.
14392 (sparc*-*-rtems*): Now elf not a.out.
14393 * config/i386/rtems.h: Include config/rtems.h.
14394 * config/i386/rtemself.h: Include config/rtems.h.
14395 * config/i960/rtems.h: Include config/rtems.h.
14396 * config/m68k/rtems.h: Include config/rtems.h.
14397 * config/m68k/rtemself.h: Include config/rtems.h.
14398 * config/mips/rtems64.h: Include config/rtems.h.
14399 * config/pa/rtems.h: Include config/rtems.h.
14400 * config/rs6000/rtems.h: Include config/rtems.h.
14401 * config/sh/rtems.h: Include config/rtems.h.
14402 * config/sh/rtemself.h: Include config/rtems.h.
14403 * config/sparc/rtems.h: Include config/rtems.h.
14404 * config/sparc/rtemself.h: Include config/rtems.h
14406 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
14408 * final.c (shorten_branches): Correctly compute length of
14409 asms without operands.
14411 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
14413 * configure.in: Add pj target.
14414 * configure: Regenerate.
14415 * config/pj: New directory.
14416 * config/pj/lib1funcs.S: New file.
14417 * config/pj/linux.h: New file.
14418 * config/pj/pj.c: New file.
14419 * config/pj/pj.md: New file.
14420 * config/pj/pjl.h: New file.
14421 * config/pj/t-pj: New file.
14422 * config/pj/xm-pj.h: New file
14424 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
14426 * toplev.c (rest_of_compilation): Run shorten-branches before
14429 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14431 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
14432 macros so that they're consistent with their names.
14433 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
14434 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
14436 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14438 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
14439 modified inadvertently.
14441 2000-01-04 Joel Sherrill <joel@OARcorp.com>
14443 * configure.in (v850*-*-rtems*): New target.
14444 * configure: Regenerate.
14445 * config/v850/rtems.h: New file.
14447 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
14449 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
14450 (__gthread_key_create): Likewise.
14451 (__gthread_key_dtor): Likewise.
14452 (__gthread_once): Fix logic.
14453 (__gthread_key_delete): Cast away constness.
14455 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
14456 * invoke.texi: Document.
14457 * i386/mingw32.h (CPP_SPEC): Use.
14458 (LIBGCC_SPEC): Likewise.
14459 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
14461 2000-01-04 David Edelsohn <edelsohn@gnu.org>
14463 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
14464 (HANDLE_PRAGMA_PACK): Undefine.
14465 (SLOW_UNALIGNED_ACCESS): Define.
14467 2000-01-04 David Edelsohn <edelsohn@gnu.org>
14469 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
14470 to default definition.
14471 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
14472 (store_fixed_bit_field): Call macro with word_mode and alignment.
14473 (extract_bit_field): Call macro with relevant mode and alignment.
14474 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
14475 to default definition.
14476 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
14478 (move_by_pieces_ninsns): Likewise.
14479 (clear_by_pieces): Likewise.
14480 (emit_push_insn): Likewise.
14481 (store_field): Call macro with relevant mode and alignment.
14482 (expand_expr): Likewise.
14483 (expand_expr_unaligned): Likewise.
14485 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
14486 (SLOW_UNALIGNED_ACCESS): Define.
14487 (CASE_VECTOR_MODE): Always use 32-bit offsets.
14488 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
14489 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
14490 (toc_section): Likewise and .toc pseudo-op.
14491 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
14493 (TEXT_SECTION_ASM_OP): Likewise.
14494 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
14497 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
14498 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
14499 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
14500 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
14501 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
14503 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
14505 * regclass.c: Revert my Jan 4 change to loop cost computation.
14507 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
14509 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
14512 2000-01-04 Stan Cox <scox@cygnus.com>
14514 * haifa-sched.c (build_control_flow): Change unreachable simple
14515 loop test to check if current block has only one predecessor.
14516 (find_rgns): Initialize degree. Use dest as degree index, not src.
14518 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14520 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
14522 * calls.c (expand_call): Likewise for
14523 `old_stack_arg_under_construction'.
14525 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
14527 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
14530 * gcc.c (execute): Likewise for `ut' and `st'.
14532 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
14534 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
14536 * jump.c (jump_optimize_1): Likewise for `temp2'.
14538 * local-alloc.c (block_alloc): Likewise for `r1'.
14540 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
14542 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
14543 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
14545 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
14548 * reload.c (find_reloads): Likewise for `goal_alternative_number'
14549 and `goal_earlyclobber'.
14551 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
14553 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
14555 * stupid.c (stupid_life_analysis): Likewise for `chain'.
14557 * unroll.c (copy_loop_body): Likewise for `copy'.
14559 * varasm.c (output_constructor): Likewise for `byte'.
14561 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
14563 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
14564 all FP constants for constant->reg moves.
14565 (ix86_split_to_parts): Try to convert memory address into immediate
14566 when available in the constant pool.
14567 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
14569 (LEGITIMATE_CONSTANT_P): Return 1.
14570 * i386.md (pushsf): New splitter to convert constant pool memory
14571 reference to immediate.
14572 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
14575 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
14577 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
14578 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
14579 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
14580 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
14581 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
14583 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
14585 * ginclude/stdbool.h: Support compilation as C++.
14587 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14589 * fold-const.c (make_range): Don't try to reverse an unbounded range.
14591 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
14593 * regclass.c (regclass): Properly compute loop_cost. Adjust
14596 * regclass.c: Fix minor whitespace problems.
14598 2000-01-03 Anthony Green <green@cygnus.com>
14600 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
14601 Restore the pic register if required.
14603 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
14605 * c-common.c (format_char_info): Update comment.
14606 (check_format_info): Recognize 'z' modifier in the same way 'Z'
14607 was recognized. Emit warning for formats new in ISO C99 only
14608 if flag_isoc9x is not set.
14610 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
14612 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
14614 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
14616 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
14617 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
14618 (make_compound_operation): Choose cheaper alternative between
14619 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
14621 * regclass.c (op_costs): Remove global variable.
14622 (record_reg_classes): New parameter "op_costs" and "reg_pref".
14623 (record_operand_costs): Break out from ...
14624 (scan_one_insn): ... here.
14625 (dump_regclass): Make dumps nicer.
14626 (regclass): Dump preferrences choosed and changes done during passes.
14628 2000-01-03 Jakub Jelinek <jakub@redhat.com>
14630 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
14632 2000-01-03 Jakub Jelinek <jakub@redhat.com>
14634 * config/sparc/sparc.c (gen_df_reg): New function.
14635 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
14636 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
14637 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
14638 movtf_cc_reg_sp64+1): Use it.
14640 2000-01-02 Mark Mitchell <mark@codesourcery.com>
14642 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
14643 copied LABEL_DECLs.
14645 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
14647 * config/i386/i386.c (ix86_expand_unary_operator): Function
14648 definition made void.
14649 (ix86_expand_binary_operator): Update outdated preceding comment.
14650 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
14653 * config/i386/i386.c (override_options): Fix option-name typo.
14655 2000-01-02 Mark Mitchell <mark@codesourcery.com>
14657 * system.h (CEIL): Define.
14658 * builtins.c (CEIL): Remove.
14659 * expmed.c (CEIL): Likewise.
14660 * expr.c (CEIL): Likewise.
14661 * stor-layout.c (CEIL): Likewise.
14663 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14665 * expr.c (store_constructor_field): Fix typo introduced with last
14668 2000-01-01 Mark Mitchell <mark@codesourcery.com>
14670 * tree.h (BINFO_N_BASETYPES): New macro.
14672 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
14674 * expmed.c (emit_store_flag): Prevent losing a pending stack
14675 adjust the same way we prevent losing queued increments.
14677 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14679 * function.c (update_temp_slot_address): Handle case where sum of
14680 temporary address plus offset in register is a valid address.
14682 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14684 * genrecog.c (change_state) Corrected typo.
14686 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14688 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
14689 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
14690 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
14692 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
14694 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
14695 case, expand GT comparisons correctly. Fix a comment before this
14698 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
14700 * dwarfout.c: Include "frame.h"
14701 * dwarf2out.c: Likewise.
14702 * Makefile.in (dwarfout.o): Depend on frame.h
14703 (dwarf2out.o): Likewise.
14705 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
14707 Restore i386 binary compatibility in Dwarf EH info.
14708 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
14709 value of FIRST_PSEUDO_REGISTER.
14710 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
14711 (struct frame_state): Use DWARF_FRAME_REGISTERS.
14712 * dwarfout.c (output_reg_number): Ditto.
14713 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
14714 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
14716 1999-12-29 Bruce Korb <autogen@linuxbox.com>
14718 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
14719 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
14720 (<hack>_RE_CT): not needed
14721 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
14722 rewritten to scan the file text once only
14723 "template<..." test added
14724 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
14725 (is_cxx_header): declaration added
14726 * fixinc/fixtests.c(is_cxx_header): removed
14727 (apply_fix_p_t): removed
14728 (double_slash_test): is_cxx_header is only called once now
14729 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
14730 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
14731 within the templates.
14732 The borken spelling of "broken" was fixed.
14733 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
14734 The default level depends on FIXINC_DEBUG.
14736 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14738 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
14739 Otherwise provide a declaration for atexit.
14740 (init_dummy): Make sure dummy call to atexit is nevertheless
14741 called with correct number of args.
14743 * frame.c: Update comments referring to other files.
14745 * libgcc2.c: Likewise.
14747 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14749 * cse.c (free_element, get_element): Remove unused prototypes.
14751 * fold-const.c (extract_muldiv): Initialize variables `op0' and
14754 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
14757 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
14759 * configure.in,configure: case arm for mn10200-*-* now sets
14760 float_format=i32 so that float.h will correctly claim "double"
14761 to be 32 bits. Ran autoconf to generate configure from .in file.
14763 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
14765 * pa.md (conditional zero): If op1 is a register, force it into
14766 the same register as op0.
14768 1999-12-28 Mark Mitchell <mark@codesourcery.com>
14770 * tree.h (BINFO_BASETYPES): Improve documentation.
14772 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14774 * configure.in (--enable-checking): Use a more portable `for'
14777 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14779 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
14780 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
14782 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
14785 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
14786 Delete descriptions.
14788 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
14789 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
14790 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
14791 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
14792 xm-svr4.h: Remove all instances of sys_siglist handling.
14794 1999-12-27 Jakub Jelinek <jakub@redhat.com>
14796 * config/sparc/sparc.md (cmp_zero_qi,
14797 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
14798 cmp_zero_extendqidi2_andcc_set): New patterns.
14800 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
14802 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
14803 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
14804 (fpgnulib.c, xfgnulib.c): Add rules.
14805 * m68k/t-mot3300-gas: Likewise.
14807 1999-12-27 Ian Lance Taylor <ian@zembu.com>
14809 * configure.in: Avoid [[ by using test and changequote. Add
14810 changequote required by 1999-12-14 change.
14811 * configure: Rebuild.
14813 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
14815 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
14817 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
14819 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
14820 * flow.c (find_use_as_address): Likewise.
14821 * function.c (fixup_var_refs_1): Likewise.
14822 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
14823 * jump.c (invert_exp, redirect_exp): Likewise.
14824 * loop.c (replace_call_address): Likewise.
14825 (count_nonfixed_reads): Likewise.
14826 * rtlanal.c (modified_between_p): Likewise.
14827 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
14828 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
14829 * unroll.c (remap_split_bivs): Likewise.
14831 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14833 * diagnostic.c (v_message_with_decl): Use .* format specifier
14834 instead of building the format specifier width manually.
14836 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
14837 determining whether to provide a prototype. Remove the
14838 sys_siglist clause in the conditional.
14840 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
14842 * fold-const.c (operand_equal_p): Use memcmp to compare string
14844 Suggested by D. J. Bernstein
14846 1999-12-17 Jakub Jelinek <jakub@redhat.com>
14848 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
14849 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
14851 * config/mips/mips.h (TARGET_64BIT): Likewise.
14852 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
14853 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
14854 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
14855 dsps. Give routines proper names if SI/DI modes are not used.
14856 * longlong.h: Use DWunion instead of DIunion.
14858 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
14860 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
14861 GC_CHECKING, GC_ALWAYS_COLLECT.
14862 * configure.in: Allow --enable-checking with an argument
14863 listing check modes to enable.
14864 * config.in, configure: Rebuilt.
14865 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
14866 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
14867 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
14868 ENABLE_GC_ALWAYS_COLLECT.
14869 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
14871 * tree.h, tree.c: Change ENABLE_CHECKING to
14872 ENABLE_TREE_CHECKING throughout.
14874 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14876 * fold-const.c (fold_truthop): Properly check for FP RHS.
14878 1999-12-24 Mark Mitchell <mark@codesourcery.com>
14880 * toplev.h (note_deferall_of_defined_inline_function): Declare.
14881 * toplev.c (note_deferral_of_defined_inline_function): New
14882 function, split out from ...
14883 (rest_of_compilation): ... here. Use it.
14885 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14887 * expr.c (store_constructor): Don't call clear_storage if size is
14890 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14892 * Makefile.in (toplev.o): Depend on loop.h.
14894 * dwarfout.c: Include tm_p.h.
14896 * emit-rtl.c (restore_emit_status): Mark parameter with
14899 * final.c (final_scan_insn): Likewise.
14901 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
14902 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
14903 flow_depth_first_order_compute, flow_loop_pre_header_find,
14904 flow_loop_tree_node_add, flow_loops_tree_build,
14905 flow_loop_level_compute, flow_loops_level_compute,
14906 flow_loop_outside_edge_p): Add prototypes.
14907 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
14909 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
14910 Mark with ATTRIBUTE_NORETURN.
14912 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
14914 * local-alloc.c (no_conflict_p): Likewise.
14916 * loop.c (insert_bct): Hide definitions of variables with hidden
14918 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
14920 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
14921 with ATTRIBUTE_UNUSED.
14922 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
14923 (reg_scan): Likewise.
14925 * reload.c (find_reloads): Remove unused variables `changed'.
14927 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
14929 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
14930 Remove unused variable `insn'.
14932 * toplev.c: Include loop.h.
14933 (report_file_and_line): Remove unnecessary prototype.
14935 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
14937 * unroll.c (biv_total_increment): Likewise.
14939 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14941 * reload1.c (emit_input_reload_insns): Restore old behaviour
14942 wrt. 'special' reloads.
14944 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
14946 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
14947 hash.h. (cse.c): Don't depend on hashtab.h.
14949 * cse.c: Don't include hashtab.h.
14950 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
14952 * ggc-simple.c: Don't include hash.h.
14954 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
14956 * dwarf2out.c (add_abstract_origin_attribute): Call
14957 gen_abstract_function on our function context.
14959 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
14961 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
14963 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14965 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
14968 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14970 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
14971 constraints to "a!r".
14973 1999-12-21 Mark Mitchell <mark@codesourcery.com>
14975 * Makefile.in (calls.o): Depend on function.h.
14976 (alias.o): Likewise.
14978 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
14980 * reload1.c (emit_reload_insns): Break out code and variables into...
14981 (input_reload_insns, other_input_address_reload_insns,
14982 other_input_reload_insns, input_address_reload_insns,
14983 inpaddr_address_reload_insns, output_reload_insns,
14984 output_address_reload_insns, outaddr_address_reload_insns,
14985 operand_reload_insns, other_operand_reload_insns,
14986 other_output_reload_insns): ... new static variables, and...
14987 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
14988 do_output_reload): ... new functions.
14990 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14992 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
14994 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14996 * md.texi: Add c4x constraints documentation.
14998 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
15000 * config/i386/dgux.c (struct option): Rename to
15001 lang_independent_option.
15002 (struct m_options): Add description field.
15003 (output_options): Rename option type, add sep declaration, output
15004 ix86_cpu_string and ix86_arch_string only if set.
15005 (output_file_start): Rename option type.
15007 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
15009 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
15011 (libgcc2.a): Similarly.
15013 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
15015 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
15016 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
15017 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
15019 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
15021 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
15022 Remove redundant initialization of "frexpon" and "expon".
15024 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15026 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
15028 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
15029 (store_constructor_field, expand_expr): Pass new arg.
15031 1999-12-20 Mark Mitchell <mark@codesourcery.com>
15033 * Makefile.in (explow.o): Depend on function.h.
15035 * stor-layout.c (set_sizetype): Fix typo.
15037 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
15039 * function.c (cfun): Renamed from current_function. All users
15041 * function.h (cfun): Rename declaration as well.
15043 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
15044 to be of type regset_head, not regset. All users changed by adding
15046 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
15048 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15050 * config/c4x/rtems.h: New file.
15052 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
15054 * reload1.c (spill_failure): Take class of failed reload as argument
15055 and print it. Caller changed.
15057 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15059 * rs6000.h (SUBTARGET_DEFAULT): New macro.
15060 (TARGET_SWITCHES): Allow subtargets to default switches.
15061 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
15063 1999-12-18 Mark Mitchell <mark@codesourcery.com>
15065 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
15068 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
15070 * cccp.c (main): Define __STDC_VERSION__ as necessary.
15071 * cppinit.c (cpp_handle_option): Likewise.
15073 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
15074 determine when to define.
15076 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
15078 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
15079 cmove with mismatched test and data modes.
15081 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
15083 * c-typeck.c (c_expand_start_case): Don't warn for long switch
15086 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15088 * alias.c: Minor reformatting.
15089 * flow.c: Likewise.
15090 * regs.h: Likewise.
15091 * stor-layout.c: Likewise.
15092 * fold-const.c: Likewise.
15093 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
15094 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
15096 (size_int_wide): Cache nodes even if garbage collecting.
15097 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
15098 of SAVE_EXPR has no side effects.
15099 * cse.c: Move a comment.
15100 * tree.c: Minor reformatting.
15101 (int_size_in_bytes): Return -1 if constant overflows.
15103 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15105 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
15107 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
15109 * objc/objc-parse.c: Regenerate. This file must be rebuilt
15110 after any change to c-parse.in, even if objc-parse.y didn't
15113 1999-12-18 David S. Miller <davem@redhat.com>
15115 * toplev.c (rest_of_compilation): Restore BLOCK tree
15116 reconstruction and branch shortening changes lost in
15117 December 18th change.
15119 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
15121 * config/arm/linux-elf.h: Change all instances of
15122 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
15123 * config/arm/uclinux-elf.h: Likewise.
15125 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
15127 * toplev.c (notice, vmessage, v_message_with_file_and_line,
15128 v_message_with_decl, file_and_line_for_asm,
15129 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
15130 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
15131 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
15132 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
15133 pfatal_with_name, fatal_io_error, need_error_newline,
15134 last_error_function, last_error_tick, announce_function,
15135 default_print_error_function, print_error_function,
15136 report_error_function, fnotice, error_with_file_and_line,
15137 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
15138 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
15139 warning_with_decl, warning_for_asm, warning, pedwarn,
15140 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
15142 (compile_file): Use fnotice instead of notice. Adjust call.
15144 * diagnostic.c: New file.
15146 * Makefile.in (OBJS): Include diagnostic.o
15147 (diagnostic.o): Define dependence.
15149 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15151 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
15154 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15156 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
15158 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
15160 * fixtests.c (is_cxx_header): New fn, split out of
15162 (else_endif_label): Allow "#endif // comment" in C++ headers,
15163 as determined by is_cxx_header.
15164 * fixfixes.c (else_endif_label_fix): Update comment.
15165 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
15167 * genfixes: Correct double thinko in commandline parsing.
15168 * hackshell.tpl: Generate correct sh syntax for bypass
15171 * inclhack.def (all): Whenever an inserted preprocessor
15172 conditional is split over multiple lines, use double
15173 backslashes in this file so the fixed header will be readable.
15175 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
15176 and add bypass entry for correct version of this header.
15177 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
15178 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
15180 (hpux8_bogus_inlines): New fix, split from...
15181 (ultrix_atof_param) ... here.
15182 (math_expression): Add bypass entry keyed to glibc comment
15183 indicating the problem has been dealt with; disable
15184 unnecessary sed operations; update commentary.
15185 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
15186 add select and bypass entries, simplify shell operation.
15187 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
15189 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
15190 ultrix_atof_param): Add select entry.
15191 (stdio_va_list, sunos_mather_decl): Add bypass entry.
15192 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
15193 comments with the fixes they describe.
15195 * c-parse.in (string action): Do not warn about ANSI string
15196 concatenation in system headers. Affects C parser only.
15197 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
15199 1999-12-16 Jakub Jelinek <jakub@redhat.com>
15201 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
15202 compiling libgcc2 the macro depends always on arch cpp defines.
15204 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
15206 * loop.c (insert_loop_mem): Don't record MEMs from inside
15209 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
15211 * regclass.c (regclass): Do not use flowgraph when not optimizing.
15213 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
15214 notes too, create one when replacement failed, attempt to simplify
15216 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
15217 or REG_EQUIV notes.
15219 1999-12-16 Mark Mitchell <mark@codesourcery.com>
15221 * crtstuff.c (__dso_handle): Declare.
15222 (__cxa_finalize): Likewise.
15223 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
15226 * invoke.texi: Document -fuse-cxa-atexit.
15228 * tree.h (ptr_type_node): Document.
15229 (const_ptr_type_node): Likewise.
15231 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15233 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
15234 (optimize_reg_copy_2): Likewise.
15235 (optimize_reg_copy_3): Likewise.
15236 (fixup_match_2): Likewise.
15237 (regmove_optimize): Likewise.
15238 (fixup_match_1): Liekwise.
15240 * i386.md (HI to SImode promoting splitters): Rewrite.
15241 (pushsf mem peep2): New.
15242 (testhi to andhi peep2): Remove.
15243 * i386.h (x86_promote_QImode): New.
15244 (TARGET_PROMOTE_QImode): New.
15245 (PREDICATE_CODES): Add promotable_binary_operator.
15246 * i386.c (x86_promote_QImode0: New.
15247 (promotable_binary_operator): New.
15248 * i386-protos.h (promotable_binary_operator): New.
15250 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
15252 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
15254 1999-12-16 Mark Mitchell <mark@codesourcery.com>
15256 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
15257 * function.c (insert_block_after_note): Remove.
15258 (retrofit_block): Likewise.
15259 (identify_blocks): Fix indentation.
15260 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
15261 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
15262 * function.h (insert_block_after_note): Remove prototype.
15263 (retrofit_block): Likewise.
15264 * integrate.c (expand_inline_function): Don't call
15265 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
15266 just expand_start_bindings. Use the block_map to remap old
15267 NOTE_BLOCKs to new ones.
15268 (integrate_decl_tree): Keep track of remapped blocks.
15269 * integrate.h (struct inline_remap): Add block_map.
15270 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
15271 NOTE_BLOCK on the notes.
15272 (expand_start_bindings): Rename to ...
15273 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
15274 (expand_end_bindings): Set NOTE_BLOCK.
15275 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
15276 reconstruct the BLOCK tree.
15277 * tree.h (expand_start_bindings): Macroize. Call ...
15278 (expand_start_bindings_and_block): New function.
15280 1999-12-16 Jakub Jelinek <jakub@redhat.com>
15282 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
15283 to match the format.
15285 1999-12-16 David S. Miller <davem@redhat.com>
15287 * expr.c (emit_move_insn_1): Only emit clobbers if one of
15288 the outputs is a SUBREG.
15289 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
15292 * config/sparc/sparc.c (epilogue_renumber): Add default case
15295 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15297 * toplev.c (rest_of_compilation): Run branch shortening after
15300 * regclass.c (loop_depth): Remove
15301 (scan_one_insn): Do not handle LOOP_NOTE insns.
15302 (regclass): Go through basic blocks and set loop_cost
15304 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
15306 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
15308 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15310 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
15311 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
15312 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
15314 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
15316 * loop.c (insert_loop_mem): Ignore memory clobbers.
15318 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
15321 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
15323 * profile.c: Remove redundant #include "output.h".
15325 * h8300.md (HImode preinc peephole): Fix typo.
15327 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
15329 * function.c (retrofit_block): Abort if we don't find a suitable insn.
15330 (insert_block_after_note): Abort if we don't have a previous block.
15331 Remove FN parameter.
15332 * function.h: Adjust.
15334 1999-12-15 Mark Mitchell <mark@codesourcery.com>
15336 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
15337 argument more than once.
15339 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
15341 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
15343 1999-12-15 Jakub Jelinek <jakub@redhat.com>
15345 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
15347 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15349 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
15350 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
15351 update stack_alignment_needed.
15352 (prepare_function_start): Initialize stack_alignment_needed
15353 * function.h (struct function): Add field stack_alignment_needed.
15355 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15357 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
15358 Handle live_throughout / dead_or_set instead of live_before /
15360 (save_call_clobbered_regs): Get register livenessinformation from
15361 chain->live_throughout.
15362 (add_stored_regs): New function.
15363 (insert_restore, insert_save): Add restored / saved registers to
15365 * global.c (reg_dies): New parameter chain.
15366 (reg_becomes_live): Third parameter is regs_set now.
15367 Changed all callers.
15368 (reg_dies): New parameter chain. Changed all callers.
15369 (build_insn_chain): Set live_throughout instead of
15370 live_before / live_after.
15371 * reload.h (struct insn_chain): Replace members live_before /
15372 live_after with live_throughout / dead_or_set.
15373 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
15374 instead of live_before / live_after.
15375 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
15376 (order_regs_for_reload, find_reg, finish_spills): Likewise.
15377 (choose_reload_regs_init): Likewise.
15378 * stupid.c (current_chain, find_clobbered_regs): Delete.
15379 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
15380 instead of chain->live_before / chain->live_after.
15381 (mark_hard_ref): New function.
15382 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
15384 1999-12-15 David S. Miller <davem@redhat.com>
15386 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
15388 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15390 * flow.c (calculate_loop_depth): Make global, remove prototype,
15391 rewrite to use new loop infrastructure.
15392 (find_basic_block): Remove calculate_loop_depth call.
15393 * toplev.c (rest_of_compilation): Call find_basic_block.
15394 * output.h (calculate_loop_depth): Declare.
15396 * flow.c (dump_flow_info): Dump loop_depth.
15397 (flow_loops_nodes_find): Increase loop_depth for basic block in the
15399 (flow_loops_find): Initialize the loop_depth for each basic block.
15401 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
15403 * tree.c (decl_function_context): Handle virtual functions.
15405 * tlink.c (scan_linker_output): Don't look in demangled name when
15406 looking for linker output keywords.
15408 * dwarfout.c (output_type): We can defer namespace-scope classes.
15410 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
15412 * regclass.c (record_reg_classes): Update comment for merging
15413 register class preferences in reg->reg copies. Tighten conditions
15414 for merging register class preferences in reg->reg copies.
15416 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
15418 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
15420 1999-12-14 Geoff Keating <geoffk@cygnus.com>
15422 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
15423 (INIT_SECTION_ASM_OP): Delete.
15424 (FINI_SECTION_ASM_OP): Delete.
15425 (STARTFILE_SPEC): Define to hold just crtbegin.o.
15427 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
15429 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
15430 the abstract origin wasn't emitted.
15432 * dwarf2out.c (class_scope_p): New fn.
15433 (gen_subprogram_die): Use it.
15434 (gen_variable_die): Use it. Tweak logic.
15435 (gen_struct_or_union_type_die): Check context_die to determine
15436 if we're function-local.
15437 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
15439 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
15441 * loop.c (check_dbra_loop): Can't reverse a biv that has
15442 maybe_multiple set.
15444 1999-12-14 Nick Clifton <nickc@cygnus.com>
15446 * config/arm/arm.c: Add support for -mcpu=arm720 command line
15449 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15451 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
15452 for givs made from biv increments.
15454 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
15456 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
15457 * alpha.c (override_options): Recognize -mcpu=ev67.
15458 * alpha.h (CPP_CPU_EV67_SPEC): New.
15459 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
15460 (EXTRA_SPECS): Update.
15462 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
15464 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
15465 appropriate for -lang-c89 and -std=*.
15466 * cppinit.c (cpp_handle_option): Likewise.
15467 (new_pending_define): New, split out from cpp_handle_option.
15468 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
15469 or enable trigraphs for -ansi/-std=*.
15471 * ginclude/stdarg.h (__va_copy): New.
15472 (va_copy): Don't define for C89.
15474 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
15476 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
15477 for long long multiply-accumulate.
15479 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15481 * regclass.c (scan_one_insn): Set loop_cost to 1 when
15482 optimizing for size.
15484 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
15486 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
15487 if something changed. Back out that part of yesterday's changes.
15489 * loop.c (loop_max_reg): New static variable.
15490 (loop_optimize): Initialize it. Eliminate one unnecessary call to
15492 (scan_loop): Call reg_scan_update whenever we may have added new
15493 registers, and update loop_max_reg.
15495 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15497 * regclass.c (record_reg_classes): Do not do the copying preferrencing
15498 when source does not die.
15500 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
15502 1999-12-14 Jakub Jelinek <jakub@redhat.com>
15504 * config/sparc/linux64.h (TARGET_LIVE_G0,
15505 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
15507 * config/sparc/linux.h (TARGET_LIVE_G0,
15508 TARGET_BROKEN_SAVERESTORE): Likewise.
15509 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
15510 TARGET_BROKEN_SAVERESTORE): Likewise.
15512 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
15513 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
15515 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
15516 as sparc64 block profiling register.
15517 * config/sparc/sparc.c (sparc_override_options): Allow block
15518 profiling with -m32.
15519 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
15520 profiling register.
15521 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
15522 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
15523 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
15525 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
15527 * config/sparc/sparc.h: Likewise.
15528 * config/sparc/xm-sysv4-64.h: Likewise.
15529 * config/float-sparc.h: Likewise.
15530 * glimits.h: Likewise.
15531 * longlong.h: Likewise.
15533 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
15534 (ASM_IDENTIFY_GCC): Remove.
15536 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
15538 * combine.c (combine_simplify_rtx): Don't make shared rtl.
15539 (simplify_logical): Likewise.
15541 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
15543 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
15544 * cppfiles.c (INO_T_EQ): Likewise.
15546 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
15548 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
15549 * i386/mingw32.h (LIB_SPEC): Likewise.
15550 (STARTFILE_SPEC): Likewise.
15551 * i386/uwin.h (LIB_SPEC): Likewise.
15552 (STARTFILE_SPEC): Likewise.
15554 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
15555 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
15557 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
15559 * combine.c (combine_simplify_rtx): Fix order of checks for
15560 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
15562 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
15564 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
15565 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
15567 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
15569 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
15571 * regclass.c (inv_reg_alloc_order): New array.
15572 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
15574 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
15575 counted_for_groups, counted_for_nongroups. Add fields rld and
15577 * reload.c (push_secondary_reload): Don't set nongroup field of
15579 (push_reload): Likewise.
15580 (find_reloads): Delete code to compute nongroup fields.
15581 * reload1.c (reload_insn_firstobj): New static variable.
15582 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
15584 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
15585 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
15586 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
15588 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
15590 (struct hard_reg_n_uses): Deleted.
15591 (potential_reload_regs): Deleted.
15592 (init_reload): Initialize spilled_pseudos and pseudos_counted.
15593 (reload): Don't try to allocate reload registers if we already know
15594 we have to make another pass. Call select_reload_regs. Free memory
15595 starting with reload_firstobj when starting another pass.
15596 Don't allocate spilled_pseudos.
15597 (calculate_needs_all_insns): Call copy_reloads for an insn that
15598 needs reloads; don't call calculate_needs.
15599 (spill_cost): New static array.
15600 (used_spill_regs_local): New static variable.
15601 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
15602 to compute potential_reload_regs.
15603 (find_reload_regs): Completely rewritten to use find_reg.
15604 (allocate_reload_reg): Don't test counted_for_groups or
15605 counted_for_nongroups. Lose NOERROR arg and code to give an error;
15606 all cllers changed.
15607 (choose_reload_regs): Add fallback code that uses the existing
15608 register allocation from find_reload_regs.
15610 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
15612 * flow.c (create_edge_list): Cast xmalloc return value.
15614 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
15616 * doprnt.c: Remove incorrect comment closure.
15618 * cse.c: Fix a few minor whitespace goofs.
15620 1999-12-13 Don Bowman <don@pixstream.com>
15622 * mips/vxworks.h: Fix problem with comment termination.
15623 (EXTRA_SECTIONS): Add in_sbss.
15624 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
15626 1999-12-12 David S. Miller <davem@redhat.com>
15628 * cse.c (struct cse_reg_info): Add hash_next member,
15629 reorder rest of struct for better packing on 64-bit
15631 (cse_reg_info_tree): Kill.
15632 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
15633 REGHASH_FN): New custom pow2 hash mechanism.
15635 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
15636 use a pow2 hash table.
15637 (get_cse_reg_info): Rework to use new REGHASH.
15638 (new_basic_block): Likewise, use HASH_SIZE, and inline
15640 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
15641 and inline free_element call.
15642 (lookup_as_function, insert, flush_hash_table, invalidate,
15643 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
15644 invalidate_for_call, use_related_value, find_comparison_args,
15645 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
15646 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
15647 get_element): Kill.
15649 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
15651 * cse.c (cse_basic_block): Free qty_table consistently.
15653 1999-12-12 David S. Miller <davem@redhat.com>
15654 Jakub Jelinek <jakub@redhat.com>
15656 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
15657 SUBREGs by hand, gen the appropriate hard reg directly.
15658 (movtf reg/mem split): Likewise and alter_subreg on destination
15660 (movtf mem/reg split): Similarly.
15661 (movdf_cc_sp64): Rename from hidden pattern.
15662 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
15663 (movtf_cc_sp64, following split): New pattern and splitter.
15664 (movdf_cc_reg_sp64): Rename from hidden pattern.
15665 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
15667 (movtf_cc_reg_sp64, following split): New pattern and splitter.
15669 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
15671 * loop.c (load_mems): Don't hoist written floating point mem
15674 1999-12-12 Mark Mitchell <mark@codesourcery.com>
15676 * except.h (struct eh_queue): Add `next' pointer.
15677 (struct eh_status): Make x_ehqueue a pointer.
15678 (push_ehqueue): Declare.
15679 (pop_ehqueue): Likewise.
15680 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
15682 (expand_fixup_region_end): Likewise.
15683 (expand_leftover_cleanups): Likewise.
15684 (push_ehqueue): Define.
15685 (pop_ehqueue): Likewise.
15686 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
15687 than doing it inline.
15688 (expand_start_all_catch): Adjust now that ehqueue is a
15690 (mark_eh_queue): Mark all level of the queue.
15691 (mark_eh_status): Adjust now that ehqueue is a
15693 (init_eh_for_function): Allocate ehqueue.
15694 (free_eh_status): Free it.
15695 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
15696 expansion for a fixup.
15698 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15700 * gthr-single.h (__gthread_active_p): Add prototype arguments.
15702 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
15703 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
15704 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
15705 function_ptr, getpagesize, __enable_execute_stack,
15706 __enable_execute_stack, __clear_insn_cache,
15707 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
15708 _cleanup, _exit, __default_terminate, __terminate_func,
15709 __terminate, __empty, __throw, new_eh_context,
15710 eh_context_initialize, eh_context_static, eh_context_specific,
15711 get_eh_context, __get_eh_context, __get_eh_info,
15712 init_reg_size_table, eh_threads_initialize,
15713 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
15714 __unwinding_cleanup, throw_helper, __throw, __rethrow,
15715 __pure_virtual): Add prototype arguments.
15716 (__bb_exit_func): Cast a sizeof to long when comparing against one.
15717 Cast a signed value to unsigned long when comparing against one.
15718 (new_eh_context): Wrap in _GTHREADS macro.
15719 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
15721 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
15722 (throw_helper): Initialize variables `handler_p' and `pc_p'.
15724 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15726 * combine.c (record_promoted_value): Remove unused variable
15729 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
15731 * global.c (record_conflicts): Likewise for `j'.
15733 * genoutput.c (output_insn_data): Don't unnecessarily cast away
15736 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15738 * i386-protos.h (output_387_binary_op, output_fix_trunc,
15739 output_fp_compare): Constify a char*.
15741 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
15743 (override_options, ix86_comp_type_attributes, print_operand,
15744 output_387_binary_op, output_fix_trunc, output_fp_compare):
15746 (ix86_sched_reorder): Mark parameter `clock_var' with
15749 * i386.h (DEBUG_PRINT_REG): Constify a char*.
15751 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
15753 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
15754 operand, for use in the Java front-end.
15756 1999-12-10 Ben Collins <bcollins@debian.org>
15758 * configure.in: Fix typo for "-64" in 64bit as check.
15759 * configure: Rebuilt.
15761 1999-12-10 Jakub Jelinek <jakub@redhat.com>
15763 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
15766 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15768 * c-parse.in (string): With -Wtraditional, warn if ANSI string
15769 concatenation is utilized.
15771 * invoke.texi (-Wtraditional): Document it.
15773 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15775 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
15776 Cast a ptrdiff_t to long and pass it to printf with %ld.
15778 1999-12-10 Geoff Keating <geoffk@cygnus.com>
15780 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
15781 68881, we have no 68881 registers at all.
15782 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
15783 value in a 68881 register if it is available.
15785 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
15787 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
15788 for long long multiply-accumulate.
15790 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
15792 * loop.c (insert_loop_mem): Undo last change.
15794 1999-12-10 David S. Miller <davem@redhat.com>
15796 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
15798 * config/sparc/sparc-protos.h: Add them.
15799 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
15800 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
15801 constraints which use those helpers.
15802 (EXTRA_CONSTRAINT): Use this new macro.
15803 * md.texi: Update sparc target constraints documentation.
15804 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
15805 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
15806 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
15807 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
15808 (movsf high/lo_sum split): Rework for new patterns.
15809 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
15811 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
15813 * c-common.c (c_common_nodes_and_builtins):
15814 Create __builtin_ptrdiff_t and __builtin_size_t.
15816 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
15818 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
15820 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15822 * regclass.c (globalize_reg): Re-instate test that allows
15823 fixed registers to be declared as a variable even after functions
15826 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15828 * i386.md (cpu attribute): Add "athlon".
15829 (athlon_decode): New attribute.
15830 (Athlon scheduling units definitions): New.
15831 (fcmp and shld patterns): Set athlon_decode to "vector".
15832 * i386.c (athlon_cost): New.
15834 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
15835 x86_use_sahf): Set for Athlon.
15836 (x86_use_fiop): Unset for Athlon.
15837 (override_options): Define Athlon alignments and "athlon" name.
15838 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
15839 * i386.h (TARGET_ATHLON): New.
15840 (enum processor_type): Add PROCESSOR_ATHLON.
15841 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
15843 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
15845 1999-12-09 Andreas Jaeger <aj@suse.de>
15847 * loop.c (record_biv): Declare parameter as int.
15849 * config/i386/i386-protos.h: Declare long_memory_operand.
15851 1999-12-09 Mark Mitchell <mark@codesourcery.com>
15853 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
15854 EXPR_WITH_FILE_LOCATION.
15856 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15858 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
15861 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
15863 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
15866 1999-12-09 Jakub Jelinek <jakub@redhat.com>
15868 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
15869 default on linux64 again.
15870 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
15871 models for multilibing.
15872 * genmultilib: Accept | as alternative separator within a set in
15875 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
15877 * calls.c (precompute_arguments): Make sure initial_value contains
15878 value pseudo which CSE expects.
15879 * cse.c (struct set): New entry orig_src.
15880 (cse_insn): Set it early on entry, use it for libcall EQUIV note
15883 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
15885 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
15887 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
15889 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
15891 1999-12-08 Jakub Jelinek <jakub@redhat.com>
15893 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
15894 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
15896 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
15899 * longlong.h: Merge in changes from glibc.
15900 Also don't clobber %g2 register in 32bit SPARC assembly, so that
15901 -mno-app-regs libgcc can be compiled.
15902 * libgcc2.c: Add defines so that the updated longlong.h
15903 can be used in libgcc2.a. Also, make sure on most architectures
15904 (at least on all which have optimized code in longlong.h defined
15905 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
15907 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15909 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
15910 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
15911 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
15913 * configure: Rebuilt.
15915 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
15917 * alpha.c (secondary_reload_class): For !BWX, sub-simode
15918 outputs require a register.
15920 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
15922 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
15923 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
15924 functions like dptoul will be resolved.
15925 (libgcc2.a): Make sure that the object files from DPBIT are named
15926 differently (prefix `_dp') from those that would be coming from
15929 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
15931 * configure.in: When target is sparc* and tm_file contains 64,
15932 test for 64bit support in assembler. If not supported, remove
15933 sparc/t-sol2-64 from target-dependent Makefile fragments.
15934 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
15935 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
15936 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
15937 * acconfig.h (AS_SPARC64_FLAG): Added.
15938 * configure, config.in: Rebuilt.
15939 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
15940 support. Use AS_SPARC64_FLAG.
15942 1999-12-07 Jakub Jelinek <jakub@redhat.com>
15944 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
15945 suitable for holding OFmode values so that gcc works with complex
15947 (hard_64bit_mode_classes): Likewise.
15949 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
15950 so that it is actually matched.
15951 (sethi_di_medlow): Likewise.
15953 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
15954 as legitimate constant if -mvis.
15955 * config/sparc/sparc.md (movtf): Likewise.
15956 (clear_sf): Use const_double_operand.
15957 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
15959 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
15960 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
15961 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
15962 routines, _Qp_* cannot be handled like that now.
15963 (INIT_TARGET_OPTABS): Likewise.
15964 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
15965 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
15966 sparc_emit_float_lib_cmp if ARCH64 and soft float.
15967 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
15968 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
15969 divtf3, sqrttf3): New expanders.
15970 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
15971 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
15972 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
15975 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
15976 * configure: Rebuilt.
15977 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
15978 -mcpu is given and we're doing 64bit compiles.
15980 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
15982 * loop.h (struct induction): Add multi_insn_incr.
15983 * loop.c (basic_induction_var): New multi_insn_incr argument.
15984 Set it if we search back through previous insns for the biv.
15985 (record_biv): New multi_insn_incr argument; fill in struct induction.
15986 (strength_reduce): Discard an iv with multiple bivs, any of
15987 which require multiple insns to increment.
15989 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
15991 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
15994 1999-12-06 David S. Miller <davem@redhat.com>
15996 * combine.c (check_promoted_subreg): Do not conditionalize this upon
15997 PROMOTE_FUNCTION_RETURN.
15999 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
16001 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
16002 and handle REG_UNUSED note on insn.
16004 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
16005 inner_mask instead of mask.
16007 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
16009 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
16010 zero if there was an error.
16012 1999-12-06 Jakub Jelinek <jakub@redhat.com>
16014 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
16017 * longlong.h: Fix clobbers in SPARC asm statements.
16019 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
16020 valid sethi operations when TARGET_ARCH64.
16022 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
16023 always use move_by_pieces to avoid infinite recursion.
16024 (restore_fixed_argument_area): Likewise.
16026 * combine.c (check_promoted_subreg, record_promoted_value): New
16028 (combine_instructions): Use them to retain nonzero and sign bit
16029 information after SUBREGs are eliminated by optimizations in
16030 this pass if PROMOTE_FUNCTION_RETURN.
16032 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
16033 .register declaration. Don't use variables with __ prefixes.
16035 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
16037 * fold-const.c (optimize_bit_field_compare): Only use one mode
16038 for both RHS and LHS in non-constant case.
16040 1999-12-06 Nathan Sidwell <nathan@acm.org>
16042 * frame.c (start_fde_sort): Only allocate erratic array, if
16043 linear one was allocated. Return allocated flag.
16044 (fde_insert): Only insert, if there's a valid array.
16045 (fde_end_sort): Split, sort and merge if linear and erratic
16046 arrays exist, else just sort linear one.
16047 (search_fdes): New function. Linear search through original fde
16049 (frame_init): Permit multiple initializations. Cope with
16051 (find_fde): Fallback on linear search, if failed to sort array.
16052 (__deregister_frame_info): Only free sorted array, if we
16055 1999-12-06 Jakub Jelinek <jakub@redhat.com>
16057 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
16059 1999-12-05 Jakub Jelinek <jakub@redhat.com>
16061 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
16063 1999-12-05 Mark Mitchell <mark@codesourcery.com>
16065 * tree.h (special_function_p): Declare.
16066 * calls.c (special_function_p): Make it global. Don't take `name'
16067 as a parameter. Fix typo in 1999-11-28 change.
16068 (expand_cal): Adjust.
16070 1999-12-04 Mark Mitchell <mark@codesourcery.com>
16072 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
16073 * tree.h (EXPR_WFL_FILENAME): Define in terms of
16074 EXPR_WFL_FILENAME_NODE.
16075 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
16077 * print-tree.c (print_note): Print TREE_PRIVATE and
16080 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
16081 the original die cannot be found.
16083 * varray.h (varray_head_tag): Add elements_used.
16084 (VARRAY_PUSH): New macro.
16085 (VARRAY_POP): Likewise.
16086 (VARRAY_TOP): Likewise.
16087 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
16089 * varray.c (varray_init): Initialize elements_used.
16090 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
16091 (INTEGRATE_H): New variable.
16092 (integrate.o): Depend on INTEGRATE_H.
16093 (unroll.o): Likewise.
16095 * function.h (insert_block_after_note): Declare.
16096 * function.c (insert_block_after_note): Split out from ...
16097 (retrofit_block): ... here.
16099 * stmt.c (expand_fixup): Fix typo in comment.
16101 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
16103 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
16104 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
16105 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
16106 (regmove_optimize, fixup_match_1): Likewise.
16108 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16110 * flow.c (flow_loops_dump): Add missing argument when calling
16111 flow_loop_nested_p.
16113 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
16114 Greg McGary <gkm@gnu.org>
16116 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
16117 (init_attributes): Add A_NO_LIMIT_STACK.
16118 (decl_attributes): Handle A_NO_LIMIT_STACK.
16119 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
16120 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
16121 Handle stack bounds checking.
16122 * flags.h (flag_stack_check): Use the word 'probe' rather than
16123 'check', because the flag doesn't actually cause any checking to
16125 * function.c (expand_function_start): Set
16126 current_function_limit_stack.
16127 * function.h (struct function): Add limit_stack.
16128 (current_function_limit_stack): Define.
16129 * invoke.texi (Code Gen Options): Document new options.
16130 * rtl.h: Declare stack_limit_rtx.
16131 * toplev.c (stack_limit_rtx): New variable.
16132 (decode_f_option): Handle new options -fstack-limit-register=REG,
16133 -fstack-limit-symbol=IDENT, -fno-stack-limit.
16134 (main): Add stack_limit_rtx as GC root.
16135 * tree.h (DECL_NO_LIMIT_STACK): New macro.
16136 (struct tree_decl): New member no_limit_stack.
16138 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
16140 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
16141 (conditional_trap+1): Get new mnemonic correct.
16142 (conditional_trap+2): New pattern for DImode traps.
16144 * config/m68k/m68k.c (output_function_prologue): Handle
16146 * config/m68k/m68k.md (trap): New insn.
16147 (conditional_trap): New insn.
16148 * md.texi (Standard Names): Document `trap' and
16149 `conditional_trap'.
16150 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
16151 so a cc0 setter doesn't get emitted at some random place in the
16154 * config/i960/i960.md (trap): New insn.
16155 (conditional_trap): New expander.
16156 (conditional_trap+1, conditional_trap+2): New insns for signed
16157 and unsigned cases.
16158 * config/i960/i960.c (i960_function_prologue): Use
16159 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
16161 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
16162 Geoffrey Keating <geoffk@cygnus.com>
16164 * flags.h (warn_padded, warn_packed): Add global var decls.
16165 * toplev.c (warn_padded, warn_packed): Add global var defns.
16166 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
16167 * stor-layout.c (layout_record): Add local variable `type'
16168 to hold often-used TREE_TYPE (field). Add local variable
16169 `unpacked_align' to hold alignment that would be in force
16170 if no `packed' attribute were present. Warn if `packed' attribute
16171 is unnecessary, or even harmful. Warn when gcc inserts padding
16172 to satisfy alignment requirements of members. Use NULL_TREE
16173 when checking whether var_size is set.
16174 * invoke.texi: Document new flags.
16176 1999-12-03 Nathan Sidwell <nathan@acm.org>
16178 * frame.c (fde_split): Reimplement to avoid variable sized array.
16180 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16182 * combine.c (try_combine): Before fixing up LOG_LINKS for the
16183 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
16185 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
16187 * invoke.texi: Document the mips option -mno-crt0
16189 1999-12-02 Mike Karr <mkarr@mathworks.com>
16191 * cccp.c (argdata): Added free_ptr member.
16192 (macroexpand): Initialize free_ptr of each argument. When an
16193 argument's buffers are freed, if the argument's free_ptr corresponds
16194 to a buffer on the input stack, then return the free_ptr to that stack
16195 frame, otherwise, free it.
16196 (macarg): If an argument begins and ends on the same input stack level,
16197 then transfer the free_ptr of that buffer to the argument in case
16198 the stack is popped during the processing of a subsequent argument.
16200 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
16202 * loop.c (note_reg_stored): New function.
16203 (struct note_reg_stored_arg): New structure.
16204 (try_copy_prop): Change to be more conservative; only replace within
16205 one extended basic block and stop replacing if a store to the
16206 replacement reg is seen.
16208 1999-12-02 Nick Clifton <nickc@cygnus.com>
16210 * config/fp-bit.c: Initialise all fields of the NAN
16213 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
16216 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
16218 * i386.md (extend?f?f2): Force the input into a register, not
16221 1999-12-01 Jakub Jelinek <jakub@redhat.com>
16223 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
16225 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
16226 alternative because setting up 64bit constant is usually costly,
16227 especially when reload is in progress or completed.
16228 (movdf_const_intreg_sp64): Likewise.
16229 (movdf_const_intreg split): Fix building up constants when
16230 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
16232 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
16234 * combine.c (if_then_else_cond): Use const_true_rtx instead of
16235 const1_rtx for return values in EQ/NE comparison against (const_int 0)
16238 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
16239 (asm_file_start): Emit .am33 into assembly file when compiling for
16241 (print_operand_address): Handle POST_INC addresses.
16242 (can_use_return_insn, initial_offset): Check AM33 registers too.
16243 (expand_prologue): Check & save AM33 registers too.
16244 (expand_epilogue): Similarly.
16245 (secondary_reload_class): Handle AM33 specific secondary reloads.
16246 (output_tst): Emit efficient code for the AM33 too.
16247 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
16248 (TARGET_SWITCHES): Add -mam33 switch.
16249 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
16250 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
16251 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
16252 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
16253 (enum reg_class, REG_CLASS_NAMES): Likewise.
16254 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
16255 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
16256 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
16257 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
16258 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
16259 (HAVE_POST_INCREMENT): Define.
16260 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
16261 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
16262 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
16263 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
16264 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
16265 (zero_extend to SI from QI/HI): Likewise.
16266 (sign_extend to SI from QI/HI): Likewise.
16267 (mulsidi3, umulsidi3): New patterns for the AM33.
16268 (tstsi with zero extension from QI/HI): Add AM33 variants.
16269 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
16270 (return_internal_regs, store_movm): Handle new AM33 registers.
16271 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
16272 (LIBGCC, INSTALL_LIBGCC): Likewise.
16273 * invoke.texi: Document new flags.
16275 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
16277 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
16278 (addsi3_carry): Likewise.
16279 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
16280 (sbbsi3_carry): Likewise.
16281 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
16282 (mulhi3): Likewise.
16283 (test?i_1): Ensure that only one operand is memory.
16284 (conditional move patterns): likewise.
16285 (shift and rotate patterns): Rewrite to expander, add
16286 "binary_operator_ok" to the condition.
16288 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
16289 * i386.h (procesor_costs): Add movzbl_load field.
16290 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
16291 non-Q registers, accept DImode registers anywhere.
16293 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
16294 * i386.c (*_cost): Set value for movxbl_load field.
16296 * (addsi): New add to lea splitter.
16297 (ashlsi): Likewise.
16298 (lea to add/shift peep2): New.
16300 1999-12-01 Mark Salter <msalter@cygnus.com>
16302 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
16303 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
16304 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
16306 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
16308 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
16309 * i386.md (movsi_xor): New.
16311 (movsi_1, movhi_1, movqi_1): Remove.
16312 (movsi_2): Rename to movsi_1.
16313 (movhi_2): Rename to movhi_1.
16314 (movqi_2): Rename to movqi_1.
16315 (movdi_1): Remove; remove splitter.
16316 (movdi_2): Rename to movdi_1.
16317 (divmodsi4 splitter): Do not emit clobbers for move patterns.
16318 (long move peep2): Do not create QI or HI mode mov0s
16319 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
16321 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
16324 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
16325 (abs?f2_if): Likewise.
16327 1999-11-30 Alex Samuel <samuel@codesourcery.com>
16329 * ggc.h (ggc_test_and_set_mark): New macro.
16330 (ggc_mark_rtx): Use ggc_test_and_set_mark.
16331 (ggc_mark_tree): Likewise.
16332 (ggc_mark_rtvec): Likewise.
16333 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
16335 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
16337 * dwarf2out.c (scope_die_for): Only handle types. Only search for
16339 (decl_scope_table): Just an array of trees now.
16340 (push_decl_scope): Simplify.
16341 (dwarf2out_init): Adjust.
16342 (local_scope_p): New fn.
16343 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
16344 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
16345 (gen_typedef_die): Likewise.
16346 (gen_lexical_block_die): Don't call push/pop_decl_scope.
16347 (gen_inlined_subroutine_die): Likewise.
16348 (gen_abstract_function): Set current_function_decl temporarily.
16349 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
16350 Handle block extern declarations. Don't call push/pop_decl_scope.
16351 (gen_decl_die): Fix logic for block externs.
16353 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16355 * calls.c (special_function_p): Remove `realloc' and add `strdup'
16356 to the list of functions which have attribute malloc by default.
16358 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16360 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
16361 integer constant does not match the traditional type, limit the
16362 warnings to cases where the base of the type is ten.
16364 * invoke.texi (-Wtraditional): Document it.
16366 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16368 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
16369 * rs6000.md: Only access a CONST_INT with INTVAL
16371 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
16373 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
16374 (compute_nearerout): Likewise.
16375 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
16376 size_t to unsigned long for formatting.
16378 1999-11-30 Jakub Jelinek <jakub@redhat.com>
16380 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
16381 Allow the user to override call-used/fixed state of %g2-5
16382 registers from the command line (with the exception of %g4 for
16384 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
16385 there is a higher chance of having a leaf function.
16386 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
16387 for ARCH64 which has %ccr register.
16388 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
16390 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
16391 insn accept into delay slot any insn which does not use %[ol]
16392 registers. Accept some LO_SUM and shift left by 1 for the normal
16394 (output_function_epilogue): Likewise.
16395 (epilogue_renumber): Added argument which inhibits any renumbering
16396 and just tests if the rtx does not use any %[ol] registers.
16397 (output_return): Reflect above change.
16399 1999-11-30 Jakub Jelinek <jakub@redhat.com>
16401 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
16402 aggregate passing for sizes <= 16 bytes.
16404 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
16406 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
16407 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
16408 * reload.c (find_dummy_reload): Likewise.
16409 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
16410 * reload1.c (reload_as_needed): Likewise.
16411 * stupid.c (stupid_find_reg): Likewise.
16412 * tm.texi (Obsolete Register Macros): Delete section.
16413 * gmicro.h: Remove all traces of the two macros.
16414 * i386.h: Likewise.
16415 * m88k.h: Likewise.
16416 * mips.h: Likewise.
16418 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
16420 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
16421 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
16422 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
16423 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
16424 units for the sparclite86x chip.
16425 (flush): Revert October 14th change; add SImode specifically.
16426 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
16427 * invoke.texi: Document it.
16429 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
16431 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
16432 psimode_truncation_operand.
16434 * config/mn10200/mn10200.c (psimode_truncation_operand): New
16435 function. Return true if the operand is either a MEM valid
16436 for a PSImode address or not a MEM at all.
16438 * config/mn10200/mn10200.md (truncsipsi2): Use
16439 psimode_truncation_operand.
16441 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16443 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
16444 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
16445 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
16446 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
16447 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
16448 (flow_loop_level_compute, low_loops_level_compute): Likewise.
16449 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
16450 * basic-block.h: Protect from multiple inclusion.
16451 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
16452 (struct loops, struct loop): Define structures.
16453 * sbitmap.c (sbitmap_a_subset_b_p): New function.
16454 * sbitmap.h: Protect from multiple inclusion.
16455 (sbitmap_a_subset_b_p): Add prototype.
16456 * Makefile.in (LOOP_H): New macro.
16457 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
16459 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
16461 * cppinit.c (CAT): The argument list of this macro may not contain
16464 1999-11-29 David S. Miller <davem@redhat.com>
16466 Move quantity tables and register equivalence chains into
16467 per-qty and per-register structure arrays respectively.
16468 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
16469 qty_const_insn, qty_comparison_code, qty_comparison_const,
16470 qty_comparison_qty): Delete, replace with...
16471 (qty_table): this structure table.
16472 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
16473 (reg_eqv_table): this structure table.
16474 (make_new_qty): Add argument MODE. Caller updated.
16475 Update to use qty_table and reg_eqv_table.
16476 (make_regs_eqv, delete_reg_equiv, insert_regs,
16477 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
16478 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
16479 cse_process_notes, cse_main, cse_basic_block): Likewise.
16481 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
16483 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
16484 operation if C is negative.
16485 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
16486 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
16487 law for some divisions if constant is negative and change other
16488 divisions to the opposite rounding.
16490 * expr.c (store_constructor_field): If bit position is not multiple
16491 of alignment of TARGET's mode, use BLKmode.
16493 * expr.c (expand_expr_unaligned): Add more code from full case
16494 that is needed when OP0 is in a register.
16496 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16498 * dwarfout.c (field_byte_offset): Size can be zero if there was
16501 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
16503 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
16504 (associate_trees): Delete unused var TEM.
16505 (extract_muldiv): Delete unused var CANCEL_P.
16507 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
16508 (target_isinf, target_isnan, target_negative): Add return types to
16509 function definitions.
16511 1999-11-29 Bruce Korb <autogen@linuxbox.com>
16513 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
16514 * fixinc/hackshell.tpl: ditto
16515 * fixinc/fixtests.c(double_slash_test): more C++ header testing
16516 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
16518 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
16520 * reload.c (push_reload): When looking for a register to put into
16521 reg_rtx, make sure all hard regs in a multi-reg register are in the
16522 right class and nonfixed.
16524 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
16525 pending_read_insns, pending_write_insns, pending_read_mems,
16526 pending_write_mems, pending_list_length, last_pending_memory_flush,
16527 last_function_call, sched_before_next_call): Move static variables
16529 (bb_ prefixed versions): Replace with single array bb_deps.
16530 (struct deps): New structure.
16531 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
16532 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
16533 argument of type "struct deps *"; use that instead of global
16534 variables. All callers changed.
16535 (init_rgn_data_dependencies): Delete function.
16536 (init_rtx_vector): Delete function.
16537 (init_deps): New function.
16539 (free_pending_lists): Simplify, we always use the bb_deps array even
16540 if only one basic block.
16541 (compute_block_backward_dependences): Likewise.
16542 (schedule_region): Likewise.
16544 (propagate_deps): New function, broken out of
16545 compute_block_backward_dependences.
16546 (compute_block_backward_dependences): Use it.
16548 * alpha.md: Delete useless patterns that tried to work around
16549 register elimination problems.
16551 * unroll.c (loop_iterations): Don't abort if iteration variable
16554 From Joern Rennecke:
16555 * reload1.c (reloads_conflict): Reverse test comparing operand
16556 numbers when testing for conflict between output/outaddr reloads.
16558 1999-11-29 David S. Miller <davem@redhat.com>
16560 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
16562 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
16564 1999-11-28 Robert Lipe <robertl@cygnus.com>
16566 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
16567 table from .fini into .dtor.
16569 1999-11-28 Anthony Green <green@cygnus.com>
16571 * tree.h (struct tree_decl): Add malloc_flag.
16572 (DECL_IS_MALLOC): Define.
16573 * c-common.c (attrs): Add A_MALLOC attribute.
16574 (init_attributes): Add this attribute to the table.
16575 (decl_attributes): Handle malloc attribute.
16576 * calls.c (special_function_p): Check for the malloc attribute.
16577 * extend.texi (Function Attributes): Document malloc attribute.
16579 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
16581 * pa.md (reload shift-add patterns): Remove.
16583 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16585 * reorg.c (dbr_schedule) Print more statistics. Corrected
16586 problem when printing info when 3 delay slots are filled.
16588 1999-11-28 Jakub Jelinek <jakub@redhat.com>
16590 * combine.c (setup_incoming_promotions): Pass an outgoing
16591 regno to FUNCTION_ARG_REGNO_P which it expects.
16593 1999-11-28 Andreas Jaeger <aj@suse.de>
16595 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
16597 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
16599 * cccp.c (do_include): Avoid initialization of automatic variable.
16601 * integrate.c (mark_stores): Function definition made void, to match
16602 previous declaration.
16603 * regclass.c (dump_regclass): Ditto.
16604 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
16606 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
16608 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
16609 known to be multiple of divisor.
16611 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
16613 * combine.c (try_combine): Add code to try to merge a set of a
16614 two-word pseudo to a constant with a setting of one of those words
16617 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
16618 (split_tree): Completely rework to make more general.
16619 (make_range, fold): Call negate_expr.
16620 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
16621 (fold, associate): Call new split_tree and associate_trees.
16622 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
16624 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
16626 * loop.c (try_copy_prop): Avoid GNU C extension.
16628 1999-11-25 Mark Mitchell <mark@codesourcery.com>
16630 * except.c (init_eh_for_function): Still zero eh_return_context,
16631 eh_return_stack_adjust, and eh_return_handler.
16633 * except.h (eh_status): Adjust documentation for x_protect_list.
16634 (begin_protect_partials): New function.
16635 * except.c (enqueue_eh_entry): Fix formatting.
16636 (get_first_handler): Add consistency check.
16637 (add_partial_entry): Adjust usage of protect_list.
16638 (emit_cleanup_handler): Save and restore ehqueue.
16639 (expand_start_all_catch): Add comment.
16640 (begin_protect_partials): New function.
16641 (end_protect_partials): Adjust usage of protect_list.
16642 (init_eh_for_function): Use xcalloc.
16644 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16646 * c-common.c (check_format_info): Don't call a variadic function
16647 with a non-literal format string.
16649 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
16651 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
16652 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
16655 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
16658 * collect2.c (collect_wait): Likewise.
16660 * dbxout.c (dbxout_type): Likewise.
16662 * gcc.c (do_spec_1): Likewise.
16664 * genemit.c (gen_insn, gen_expand): Likewise.
16666 * genrecog.c (write_switch, write_subroutine): Likewise.
16668 * mips-tfile.c (catch_signal, botch): Likewise.
16670 * print-rtl.c (print_rtx): Likewise.
16672 * toplev.c (default_print_error_function, report_error_function,
16673 _fatal_insn): Likewise.
16675 1999-11-25 Mark Mitchell <mark@codesourcery.com>
16677 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
16679 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
16681 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
16682 operations when needed.
16683 * i386.md (fop_?f_comm): New.
16684 (fop_?f_1): Do not accept commutative operands.
16686 1999-11-25 Andreas Jaeger <aj@suse.de>
16688 * config/mips/mips.md (casesi_internal): Add missing brace.
16690 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
16692 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
16693 (splice_child_die): Handle moving a child DIE from the declaration
16694 DIE of a class to its specification.
16695 (gen_struct_or_union_type_die): Use 'complete' consistently.
16696 (gen_decl_die): Generate the virtual context DIE first.
16697 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
16699 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
16701 * config/mips/mips.md (call_value_multiple_interanal1): New.
16703 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
16705 * dwarf2out.c (free_AT, free_die): New fns.
16706 (remove_children): Call them.
16707 (output_line_info): Disable removal of duplicate notes.
16709 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
16710 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
16711 means pretend the type isn't defined.
16712 Don't defer emitting types.
16713 (gen_type_die_for_member): New fn.
16714 (gen_decl_die): Call it.
16715 (splice_child_die): New fn.
16716 (gen_member_die): Call it rather than generate duplicate dies.
16718 Defer emitting information for the abstract instance of an inline
16719 until we either inline it or emit an out-of-line copy.
16720 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
16721 from output_inline_function if DECL_ABSTRACT is also set.
16722 (block_ultimate_origin): Likewise.
16723 (gen_abstract_function): New fn.
16724 (gen_decl_die, gen_inlined_subroutine_die): Call it.
16725 (gen_subprogram_die): An abstract instance is not a declaration
16726 just because it doesn't match current_function_decl. Don't abort
16727 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
16728 has an abstract origin.
16729 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
16730 abstract instance here.
16732 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
16734 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
16735 where we need to reload fpul from a system register.
16737 1999-11-24 Andreas Jaeger <aj@suse.de>
16739 * config/mips/linux.h (CPP_PREDEFINES): Added.
16740 (LINK_SPEC): Remove -Y since this is only needed on sparc.
16742 1999-11-24 Andreas Jaeger <aj@suse.de>
16744 * config/mips/linux.h (TARGET_VERSION): Added.
16745 (HANDLE_SYSV_PRAGMA): Added.
16746 (DEFAULT_VTABLE_THUNKS): Added.
16748 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
16750 * local-alloc.c (qty): New structure and static variable.
16751 (qty_phys_reg): Remove, all references changed to qty.
16752 (qty_n_refs): Likewise.
16753 (qty_min_class): Likewise.
16754 (qty_birth): Likewise.
16755 (qty_death): Likewise.
16756 (qty_size): Likewise.
16757 (qty_mode): Likewise.
16758 (qty_n_calls_crossed): Likewise.
16759 (qty_alternate_class): Likewise.
16760 (qty_changes_size): Likewise.
16761 (qty_first_reg): Likewise.
16762 (alloc_qty): Rename variable QTY to QTYNO.
16763 (finf_free_reg): Likewise.
16764 (local_alloc): Allocate qty, do not allocate the removed variables.
16766 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
16768 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
16769 when -membedded-pic is passed.
16771 * config/mips/mips.md (casesi): Handle 64-bit case too.
16772 (casesi_internal_di): New insn.
16774 * config/mips/mips.c (embedded_pic_offset): Always make the
16775 embedded-pic subtractions relative to the name of the current
16776 function by use of the magic string "..CURRENT_FUNCTION".
16777 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
16779 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
16781 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
16782 of (const_int 0), when what we really care about is
16783 whether it's a zero constant anyway.
16784 (div_trap_mips16): Likewise.
16786 1999-11-23 Mark Mitchell <mark@codesourcery.com>
16788 * loop.c (loop_optimize): Always find_loop_tree_blocks and
16789 unroll_block_trees when generating debuggable code.
16791 * tree.h (unsave_expr_1): New function.
16792 (lang_unsave): New variable.
16793 (get_callee_fndecl): New function.
16794 * tree.c (unsave_expr_now_r): New function.
16795 (lang_unsave): Define.
16796 (unsave_expr_1): Likewise.
16797 (unsave_expr_now_r): Split out from unsave_expr_now.
16798 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
16799 call unsave_expr_now_r.
16800 (get_callee_fndecl): Define.
16802 * Makefile.in (gencheck): Don't depend on lang_tree_files.
16803 (gencheck.o): Do depend on lang_tree_files.
16805 * integrate.h (copy_decl_for_inlining): New declaration.
16806 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
16807 (copy_decl_for_inlining): New function.
16808 (integrate_parm_decls): Use it.
16809 (integrate_decl_tree): Likewise.
16811 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
16813 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
16814 the second two from the first.
16815 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
16816 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
16817 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
16819 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
16820 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
16823 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
16825 * pa.md (call_internal_symref, call_value_internal_symref): No mode
16826 needed on the address operand.
16827 * pa.c (call_operand_address): Check for the correct mode.
16829 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
16831 * loop.c: Include "basic-block.h".
16832 (try_copy_prop, replace_loop_reg): New functions.
16833 (load_mems): Detect registers that just hold copies of the hoisted
16834 mem, and call try_copy_prop to eliminate them.
16835 * Makefile.in (loop.o): Update dependencies.
16837 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
16839 * Makefile.in (gencheck.o): Depend on gencheck.h.
16840 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
16841 (insn-peep.o): Depend on except.h and function.h.
16842 (insn-attrtab.o): Depend on RECOG_H.
16843 (insn-output.o): Depend on toplev.h and flags.h.
16844 (gengenrtl.o): Depend on real.h.
16845 (gen-protos.o): Depend on cpplib.h and cpphash.h.
16846 Unify all dependencies to be on RECOG_H rather than recog.h.
16848 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
16850 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
16851 * configure.in: Try building a bi-arch 32/64-bit compiler on
16852 sparc-*-solaris2.7 and higher.
16853 * configure: Rebuild.
16855 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
16857 * config/freebsd.h: New, FreeBSD architecture independent file.
16858 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
16859 independent pieces.
16860 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
16861 directly by i386/freebsd.h.
16862 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
16863 independent configuration file.
16864 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
16865 directly by i386/freebsd.h.
16866 * configure: Rebuilt.
16868 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
16869 which is in the user's namespace.
16870 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
16871 `i386' which is not in our namespace.
16873 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
16875 * invoke.texi (ARM Options): Add in -mno-alignment-traps
16877 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
16879 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
16880 (add_dwarf_attr, add_child_die): Just push onto the front.
16881 (reverse_die_lists): New fn.
16882 (add_sibling_attributes): Use it.
16883 (push_decl_scope): Reorganize.
16884 (add_name_and_src_coords_attributes): Don't set file and line for
16885 an artificial decl.
16886 (gen_subprogram_die): An artificial function doesn't need to match
16888 (gen_compile_unit_die): Return the generated die. Only add
16889 AT_comp_dir if the filename is relative.
16890 (remove_AT): Simplify loop. Also free string values.
16891 (output_die): A DIE ref can't be null.
16892 (output_value_format, value_format): Take a dw_attr_ref.
16893 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
16894 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
16895 AT_addr, AT_lbl): New fns.
16896 (various): Use them.
16897 (various): Constify.
16899 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16901 * combine.c (combine_simplify_rtx): When handling a SUBREG,
16902 take SUBREG_WORD into account.
16903 (if_then_else_cond): Likewise.
16905 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
16907 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
16908 clause from BSD license, pursuant with
16910 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
16912 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
16914 * loop.c (load_mems): Reformat slightly.
16915 * basic-block.h (regset_head): New typedef.
16916 (INIT_REG_SET): New macro.
16918 1999-11-22 Bruce Korb <autogen@linuxbox.com
16920 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
16921 (mips-dec-bsd*): non-functional code
16922 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
16924 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
16925 added three replacement fixes
16926 (no_double_slash): removed comments that are not (any longer) pertinent
16927 (bad_lval): this fix currently runs against many files.
16928 The comment seems to indicate that we should select for files
16929 containing 'pragma extern_prefix'.
16931 * fixinc/fixinc.x86-linux-gnu: deleted
16932 * fixinc/inclhack.sh: regen
16933 * fixinc/fixincl.x: regen
16934 * fixinc/fixincl.sh: regen
16936 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
16938 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
16939 its code is INSN and it has no notes.
16941 1999-11-22 Andrew Haley <aph@cygnus.com>
16943 * varasm.c (function_defined): Remove.
16944 (make_function_rtl): Don't set function_defined.
16945 (make_decl_rtl): Remove global register warning.
16946 * regclass.c (no_global_reg_vars): New variable.
16947 (globalize_reg): Warn if function has already been defined.
16948 (regclass_init): Set no_global_reg_vars.
16950 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
16952 * regclass.c (reg_pref): New structure and static variable
16953 (prefclass): Delete.
16954 (altclass): Delete.
16955 (all uses of prefclass and altclass): Use reg_pref instead.
16957 1999-11-21 Nick Clifton <nickc@cygnus.com>
16959 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
16961 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
16962 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
16963 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
16965 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
16967 * varasm.c (output_constructor): Solve problem with long long
16968 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
16970 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
16972 * global.c (allocno): New structure and static variable.
16973 (allocno_reg): Remove, all references replaced by allocno.
16974 (allocno_size): Likewise.
16975 (hard_reg_conflicts): Likewise.
16976 (hard_reg_preferences): Likewise.
16977 (hard_reg_copy_preferences): Likewise.
16978 (hard_reg_full_preferences): Likewise.
16979 (regs_someone_prefers): Likewise.
16980 (allocno_calls_crossed): Likewise.
16981 (allocno_n_refs): Likewise.
16982 (allocno_live_length): Likewise.
16983 (find_reg): Rename ALLOCNO to NUM.
16985 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
16986 references updated.
16987 (may_move_out_cost): New variable.
16988 (init_reg_sets_1): Initialize may_move_out_cost.
16989 (record_reg_classes): Use may_move_out_cost.
16991 * regclass.c (dump_regclass): New function.
16992 (regclass): New parameter DUMP, call DUMP_REGCLASS.
16993 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
16994 pass rtl_dump_file to regclass.
16995 * rtl.h (regclass): Update prototype.
16997 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
16999 * i386.md (neg, not and abs patterns): Revmap to use
17000 ix86_expand_unary_operator and ix86_unary_operator_ok.
17001 (add?f and sub?f expanders): Force operand 1 to register.
17002 * i386.c (ix86_expand_unary_operator): Rewrite.
17003 (ix86_unary_operator_ok): Ensure that memory operands
17005 (ix86_binary_operator_ok): Do not allow operand 1 to
17006 come into memory and operand 0 not.
17007 (ix86_expand_binary_operator): Ensure that
17008 src1 is not non-matching memory.
17010 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
17011 to support integer registers and memory.
17012 (abss?2_integer): Likewise.
17014 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
17015 (REG_CLASS_NAMES): Likewise.
17016 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
17018 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
17019 (movsf): Likewise; unify 4th and 5th alternative.
17020 (pushdf): Likewise.
17021 (movdf_1): Likewise; rename to movdf_integer.
17022 (pushxf): Likewise; rename to pushxf_integer; fix output template;
17023 remove redundant splitter.
17024 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
17025 (movdf_nointeger): New.
17026 (movxf_nointeger): New.
17027 (pushxf_nointeger): New.
17029 * i386.md (extend?f?f): Split to expander and pattern, refuse two
17030 memory operands in patterns.
17031 (fop*): Refuse two memory operands.
17033 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
17034 on !TARGET_USE_CLTD CPUs.
17036 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
17038 * extend.texi: Document C++ restricted pointers and references.
17040 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
17042 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
17043 (invalidate_skipped_set): Call it unconditionally.
17044 (cse_set_around_loop): Likewise.
17046 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
17048 * rtl.texi (mem): Add documentation for alias-set argument
17051 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
17053 * i386.h (struct_processor_costs): New fields int_load, int_store,
17054 fp_move, fp_load and fp_store
17055 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
17057 (MEMORY_MOVE_COST): New macro.
17058 * i386.c (386_cost): Define new fields.
17059 (i486_cost): Likewise.
17060 (pentium_cost): Likewise.
17061 (pentiumpro_cost): Likewise.
17062 (k6_cost): Likewise.
17064 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
17065 Geoffrey Keating <geoffk@cygnus.com>
17067 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
17069 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
17072 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
17073 (TARGET_STRICT_ALIGNMENT): New macro.
17074 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
17075 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
17076 * invoke.texi (M680x0 Options): Document -mstrict-align.
17078 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
17079 Richard Henderson <rth@cygnus.com>
17081 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
17082 (ix86_split_long_move): Declare.
17083 * i386.c (split_xf, ix86_split_movdi): Remove.
17084 (ix86_split_to_parts, ix86_split_long_move): New.
17085 * i386.md (dimode move splitters): Use ix86_split_long_move.
17086 (dfmode move splitters): Likewise.
17087 (xfmode move splitters): Likewise.
17088 (movsf_1): Allow F->r.
17089 (movdf_1, movxf_1): Allow F->ro.
17091 1999-11-17 Mark Mitchell <mark@codesourcery.com>
17093 * except.h (struct eh_entry): Add goto_entry_p.
17094 (eh_region_from_symbol): Remove prototype.
17095 * except.c (find_func_region_from_symbol): New function.
17096 (emit_cleanup_handler): Likewise.
17097 (eh_region_from_symbol): Make it static.
17098 (add_new_handler): Verify the argument.
17099 (find_func_region): Update comment.
17100 (expand_eh_region_end): Expand handlers here, rater than waiting
17101 until expand_leftover_cleanups or start_all_catch.
17102 (expand_leftover_cleanups): Don't expand here.
17103 (expand_start_all_catch): Or here.
17104 (expand_rethrow): Check the return value from find_func_region.
17105 * function.c (expand_function_end): Emit the catch_clauses.
17107 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
17109 * integrate.c (expand_inline_function): Add necessary check for NULL.
17111 1999-11-18 Nick Clifton <nickc@cygnus.com>
17113 * toplev.c (main): Correctly detect an unrecognised option.
17115 * cppinit.c (cpp_handle_option): Do not claim to have consumed
17116 a -f option if it has not been recognised.
17118 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
17120 * basic-block.h (update_life_extent): Remove trailing comma on
17121 enumeration type list.
17123 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
17125 * varasm.c (output_constructor) Solved problem with long long
17126 bitfields. Corrected calculating this_time and shift. Also
17127 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
17129 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
17131 * flow.c (split_edge): Take looping structure into account when
17132 determining where to put the new block note.
17134 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
17136 * Makefile.in (ggc-none.o): Provide host specific version if
17139 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
17141 * cse.c (delete_trivially_dead_insns): Identify no-op insns
17142 containing subregs too.
17144 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
17146 * invoke.texi: Add documentation for -muninit-const-in-rodata.
17147 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
17148 (TARGET_UNINIT_CONST_IN_RODATA): Define.
17149 (text_section): Add switches -munint-const-in-rodata and
17150 -mno-uninit-const-in-rodata.
17151 (ASM_OUTPUT_COMMON): Remove.
17152 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
17153 const objects should be placed in read-only data. Otherwise declare
17156 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
17158 * jump.c (jump_optimize_1): Revert last change.
17160 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
17162 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
17163 test if optimizing for size.
17165 1999-11-17 Mark Mitchell <mark@codesourcery.com>
17167 * Makefile.in (toplev.o): Depend on except.h.
17168 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
17170 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
17172 * i386.md (divmodsi4): Rewrite to expander.
17173 (*divmodsi4_nocltd): New.
17174 (*divmodsi4_cltd): New.
17175 (divmodsi4 splitter): Handle the case when input comes in edx.
17176 (udivmodhi4): Do not use constraints in exander.
17177 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
17179 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
17181 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
17182 for the common case.
17184 1999-11-16 Jakub Jelinek <jakub@redhat.com>
17186 * explow.c (hard_function_value): Add outgoing argument.
17187 * expr.h (hard_function_value): Declare it.
17188 * calls.c (expand_call, emit_library_call_value): Update callers.
17189 * function.c (aggregate_value_p): Ditto.
17190 (diddle_return_value): Must look at the outgoing registers
17191 on archs with register windows.
17193 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
17195 * alpha.c (alpha_build_va_list): Use make_lang_type and
17196 initialize TYPE_NAME for the va_list record.
17198 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
17200 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
17202 * ggc.h (struct ggc_statistics): Rearrange elements for better
17203 packing on 64-bit hosts.
17204 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
17205 (compute_nearerout): Likewise.
17207 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
17209 * config/rs6000/rs6000.c (first_reg_to_save): Save
17210 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
17212 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
17214 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
17215 notion of nesting to find the DIE for a type or function.
17216 DIEs can go in limbo even if we got a context_die.
17217 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
17218 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
17220 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
17221 (gen_type_die): Writing out the context doesn't cause member class
17222 template instantiations to be written out as well.
17224 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
17226 * rs6000.h (ASM_OUTPUT_DEF): New.
17227 Based on proposed addition from David Edelsohn.
17229 1999-11-15 Robert Lipe <RobertLipe@usa.net>
17230 Bruce Korb <autogen@linuxbox.com>
17232 * fixinc/inclhack.def
17233 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
17234 (unixware7_byteorder_fix): added. Removes conflicts for new defs
17236 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
17237 (svr4_endian): enabled with SVR5
17238 (svr4_mkdev): simplified syntax and enabled with SVR5
17240 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
17242 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
17243 * configure: Rebuilt.
17244 * config/t-freebsd-thread: New file.
17246 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
17248 * i386.c (ix86_decompose_address): Verify the base is a REG
17249 before trying to examine its register number.
17251 * basic-block.h: Remove all #defines and prototypes related to
17253 (free_bb_mem, compute_preds_succs): Remove prototype.
17254 * rtl.h (free_bb_mem): Remove prototype.
17255 * flow.c (alloc_int_list_node); Remove function.
17256 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
17257 (compute_preds_succs, free_bb_mem): Likewise.
17258 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
17259 * toplev.c (rest_of_compilation): Likewise.
17260 * haifa-sched.c (build_control_flow): Use flow generated edge
17261 list to build the haifa specific edge list.
17262 (find_rgns): Use new CFG data structures instead of pred/succ lists.
17263 (schedule_insns): Do not build pred/succ lists anymore. Instead
17264 build the edge table.
17266 * basic-block.h (dump_bb_data): Remove declaration.
17267 * flow.c (dump_bb_data): Remove function.
17268 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
17269 (sbitmap_union_of_predsucc): Likewise.
17271 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
17272 argument. All callers changed.
17273 (delete_null_pointer_checks_1): No longer need to compute the
17276 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
17277 All callers changed.
17278 (pre_expr_reaches_here_p_work): Likewise.
17279 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
17280 * lcm.c (compute_laterin): Fix initialization of LATER.
17281 (compute_nearerout): Similarly for NEARER.
17283 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17285 * cse.c (set_nonvarying_address_components): Delete unused function.
17286 (refers_to_p): Likewise.
17288 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
17290 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
17293 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17295 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
17296 definition in do while (0).
17298 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
17300 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
17302 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
17304 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
17306 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
17308 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
17309 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
17310 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
17311 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
17313 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
17314 saved on the stack. Output more accurate stack frame statistics
17315 into assembler file.
17317 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
17319 * genextract.c (record_insn_name): New function.
17320 (get_insn_name): No longer a stub.
17321 (main): Call record_insn_name for each insn. After each label
17322 written, print the insn name in a comment.
17324 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17326 * output.h (const_section, init_section, fini_section): Add
17329 * alpha/elf.h (const_section): Delete declaration.
17331 * svr4.h (const_section): Likewise.
17333 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
17335 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
17336 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
17337 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
17339 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
17340 variable-sized array bounds.
17342 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
17344 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
17347 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17349 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
17350 addresses the same way GO_IF_LEGITIMATE_INDEX does.
17352 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17354 * cse.c (hash_arg_in_struct): Delete.
17355 (struct table_elt): Delete elt in_struct.
17356 (struct set): Delete elt src_in_struct.
17357 (merge_equiv_classes): Don't set either hash_arg_in_struct or
17358 the corresponding in_struct elts.
17359 (canon_hash): Likewise.
17360 (safe_hash): Likewise.
17361 (find_best_addr): Likewise.
17362 (record_jump_cond): Likewise.
17363 (cse_insn): Likewise.
17365 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
17367 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
17369 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
17372 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
17374 * function.c (diddle_return_value): Put back check that the DECL_RTL
17375 for the function is a register.
17377 * function.c (diddle_return_value): Use hard_function_value to
17378 get an rtx suitable for use in the USE/CLOBBER insn.
17380 * global.c (global_conflicts): Update comments.
17381 (record_conflicts): No need to record conflicts between pseudos here.
17383 1999-11-11 Bruce Korb <autogen@linuxbox.com>
17385 * fixinc/fixincl.c: Added verbose levels for status messages
17387 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17389 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
17390 operand as argument to expand_and or expand_binop.
17392 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
17394 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
17395 gcc_add_string_root.
17397 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
17399 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
17401 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
17403 * flow.c (compute_flow_dominators): Initially put all blocks on
17405 * lcm.c (compute_antinout_edge, compute_available): Similarly.
17406 * gcse.c (compute_cprop_avinout): Remove.
17407 (compute_cprop_data): Use compute_available.
17408 (delete_null_pointer_checks_1): Use compute_available.
17410 * basic-block.h (compute_available): Returns a void now.
17411 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
17412 to return a value anymore.
17413 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
17414 worklists. Fix boundary cases. Compute maximal solutions.
17415 (compute_laterin, compute_nearerout): Similarly.
17417 * dwarf2out.c (add_AT_location_description): Allow
17418 (mem (plus (pseudo) (...)) too.
17420 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
17422 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
17424 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
17425 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17427 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
17429 * gansidecl.h: Likewise.
17435 * toplev.h: Likewise.
17437 * tree.c: Likewise.
17439 * tree.h: Likewise.
17441 * varray.c: Likewise.
17443 * varray.h: Likewise.
17445 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
17447 * gcov.c (struct arcdata): Add hits and total, remove prob.
17448 (output_branch_counts): New.
17449 (process_args): Set output_branch_counts if -c.
17450 (calculate_branch_probs): Store hits and total instead of
17452 (output_data): Emit counts if output_branch_counts is true.
17453 * gcov.texi (Invoking Gcov): Document -c switch..
17455 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
17457 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
17458 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
17460 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
17462 * invoke.texi (C Dialect Options): Add missing builtins from
17463 c-common.c to list.
17464 * extend.texi (Other Builtins): Copy to this list.
17466 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17468 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
17469 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
17470 redundant bitmap.h.
17472 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
17474 * flow.c (compute_flow_dominators): No longer treat basic block 0
17475 or (n_basic_blocks - 1) specially. Clear the AUX field before
17476 starting computation of doms/pdoms. Fix initial state for pdoms.
17478 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17480 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
17481 match rtl.o's: added ggc.h and toplev.h
17482 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
17483 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
17484 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
17486 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
17488 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
17489 from HAVE_DOS_BASED_FILESYSTEM.
17490 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
17491 HAVE_DOS_BASED_FILESYSTEM.
17493 (split_directories): Only special-case DOS file names if
17494 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
17495 instead of explicit tests. Conditionalize on !VMS.
17496 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
17497 tests. Conditionalize on !VMS.
17498 (process_command): Only use make_relative_prefix if !VMS.
17499 (free_split_directories): Conditionalize on !VMS.
17500 (DIR_UP): Conditionalize on !VMS.
17502 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
17504 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
17506 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
17508 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
17511 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
17513 * invoke.texi (Environment Variables): Document relative path
17515 * gcc.c (DIR_UP): If not defined, define as "..".
17516 (standard_bindir_prefix): New static, holds target location to
17518 (split_directories): New function to split a filename into
17519 component directories.
17520 (free_split_directories): New function, release memory allocated
17521 by split_directories.
17522 (make_relative_prefix): New function, make a relative pathname if
17523 the compiler is not in the expected location.
17524 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
17525 can figure out an appropriate prefix from argv[0].
17526 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
17527 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
17528 STANDARD_BINDIR_PREFIX.
17530 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17532 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
17534 * config/c4x/c4x.h: Moved prototypes to c4x.h.
17535 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
17536 c4x_secondary_memory_needed) Delete.
17537 (fp_zero_operand): Add mode argument.
17539 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
17541 * reload1.c (reload_reg_free_for_value_p): Don't use a register
17542 that is in reload_reg_used.
17544 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
17546 * config/arm/arm-protos.h: New file: Prototypes for functions
17547 defined in arm.c and pe.c.
17548 * config/arm/arm.h: Fix compile time warnings.
17549 * config/arm/arm.c: Fix compile time warnings.
17550 * config/arm/pe.h: Fix compile time warnings.
17551 * config/arm/aout.h: Fix compile time warnings.
17553 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
17555 * config/m32r/m32r-protos.h: New file: Prototypes for functions
17558 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
17559 Add support for subtargets.
17560 Add prototypes for new predicates.
17561 Add scheduling macros.
17563 * config/m32r/m32r.c: Fix compile time warnings.
17564 (int8_operand): New predicate function.
17565 (reg_or_cmp_int16_operand): New predicate function.
17566 (extend_operand): New predicate function.
17567 (m32r_adjust_code): New scheduling function.
17568 (m32r_adjust_priorty): New scheduling function.
17569 (m32r_sched_init): New scheduling function.
17570 (m32r_sched_reorder): New scheduling function.
17571 (m32r_sched_variable_issue): New scheduling function.
17572 (direct_return): New codegen function.
17573 (m32r_not_same_reg): New rtl testsing function.
17575 * config/m32r/m32r.md: Fix compile time warnings.
17576 Add support for pre decrement and post increment memory
17578 Add S<cc> patterns.
17581 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17583 * global.c (EXECUTE_IF_CONFLICT): Don't define.
17584 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
17585 (find_reg): Likewise.
17587 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
17589 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
17590 to avoid assembler errors.
17592 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
17594 * config/v850/v850-protos.h: New file: Prototypes for functions
17596 * config/v850/v850.h: Move prototypes to v850-protos.h
17597 * config/v850/v850.c: Move prototypes to v850-protos.h
17598 * config/v850/v850.md: Fix compile time warnings.
17600 * config/fr30/fr30-protos.h: New file: Prototypes for functions
17602 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
17603 * config/fr30/fr30.c: Fix compile time warnings.
17604 * config/fr30/fr30.md: Fix compile time warnings.
17606 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
17608 * tree.h (get_containing_scope): Declare it.
17609 * tree.c (get_containing_scope): New fucntion.
17610 (decl_function_context): Use it.
17611 * toplev.c (rest_of_compilation): Use get_containing_scope.
17613 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17615 * Makefile.in (rtl.o): Depend on toplev.h.
17617 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
17619 * cse.c (delete_trivially_dead_insns): Replace alloca with
17621 * except.c (update_rethrow_references): Likewise.
17622 (init_eh_nesting_info): Likewise.
17623 * function.c (identify_blocks): Likewise.
17624 * gcse.c (dump_hash_table): Likewise.
17625 * graph.c (print_rtl_graph_with_bb): Likewise.
17626 * loop.c (combine_movables): Likewise.
17627 (move_movables): Likewise.
17628 (count_loop_regs_set): Likewise.
17629 (strength_reduce): Likewise.
17630 * profile.c (compute_branch_probabilities): New function, split
17632 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
17633 * regclass.c (regclass): Likewise.
17634 * regmove.c (regmove_optimize): Likewise.
17635 * toplev.c (compile_file): Likewise.
17636 (main): Don't mess with the stack rlimit.
17638 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
17640 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
17641 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
17643 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
17645 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
17647 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
17649 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
17650 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
17653 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
17655 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
17657 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
17659 * gcse.c (post_dominators): Kill.
17660 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
17661 (compute_code_hoist_data): Use compute_flow_dominators. Do not
17662 pass in a pdom array since we do not need pdoms.
17663 * haifa-sched.c (schedule_insns): Similarly.
17664 * flow.c (compute_dominators): Remove dead function.
17665 (compute_flow_dominators): Do not compute doms or pdoms if the
17666 caller does not request them. Split up loop to build doms and
17667 pdoms. Use a worklist to compute doms and pdoms.
17668 * basic-block.h (compute_dominators): Remove prototype.
17670 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
17672 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
17673 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
17674 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
17675 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
17676 (cant_move, fed_by_spec_load, is_load_insn): Remove.
17677 (schedule_region): Remove unused variable.
17678 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
17680 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
17682 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
17683 (update_equiv_regs): Likewise.
17684 (block_alloc): Likewise.
17685 * reg-stack.c (reg_to_stack): Likewise.
17686 (convert_regs_2): Likewise.
17687 * reload1.c (reload_as_needed): Likewise.
17689 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
17691 * Makefile.in (dbxout.o): Depend on ggc.h.
17692 (dwarf2out.o): Likewise.
17693 (xcoffout.o): Likewise.
17694 * dbxout.c: Include ggc.h.
17695 (dbxout_init): Register lastfile as a root.
17696 * dwarf2out.c: Include ggc.h.
17697 (dwarf2out_line): Register lastfile as a root.
17698 * xcoffout.c: Include ggc.h.
17699 (xcoffout_source_line): Register xcoff_lastfile as a root.
17701 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
17703 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
17705 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
17707 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
17709 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
17711 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17713 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
17714 (EXECUTE_IF_CONFLICT): Likewise.
17715 (ALLOCNO_LIVE_P): Avoid signed division.
17716 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
17717 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
17718 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
17720 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
17722 * haifa-sched.c (schedule_block): Don't crash if there's no
17723 next insn for an interblock movement.
17724 (add_branch_dependences): Don't allow clobber insns to move either.
17726 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
17728 * i386.c (split_xf): New.
17729 * i386-protos.h: Declare it.
17730 * i386.md (movxf_1): Add general regs alternatives.
17731 (movxf_1+1): New splitter for same.
17733 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
17735 * function.c (purge_addressof_1): Add missing return values.
17737 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
17739 * function.c (is_addressof): New function. Returns true if
17740 the given piece of RTL is an ADDRESSOF.
17741 (purge_addressof_1): Make boolean. Return false if the
17742 ADDRESSOFs could not be purged.
17743 (purge_addressof): If ADDRESSOFs could not be purged from the
17744 notes attached to an insn, remove the offending note(s),
17745 unless they are attached to a libcall.
17747 1999-11-05 Andreas Jaeger <aj@suse.de>
17749 * genoutput.c (null_operand =): Initialize all fields.
17751 * errors.h: Add extern to prototypes.
17753 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
17755 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
17756 * configure: Rebuilt.
17758 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17760 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
17761 (mirror_conflicts): New function.
17762 (global_alloc): Call it.
17763 (expand_preferences): Remove redundant CONFLICTP test.
17764 (find_reg, dump_conflicts): Likewise.
17765 (prune_preferences): Process conflicts one word at a time.
17767 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
17769 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
17770 instead of an explicit loop.
17772 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
17774 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
17775 if REG_RETVAL check succeeds, then put classp in src_elt.
17777 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
17779 * function.c (pad_to_arg_alignment): Only update argument_pad
17780 if the argument's alignment is greater than STACK_BOUNDARY.
17782 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
17784 * bitmap.h (BITMAP_XFREE): New.
17785 * flow.c (life_analysis): Use it.
17786 (life_analysis_1): Free blocks.
17788 * combine.c (undo_commit): New.
17789 (try_combine): Use it. Don't zap undobuf.undos.
17790 (combine_instructions): Don't zap undobuf.undos; free the
17791 undobuf.frees list.
17793 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
17795 * stmt.c (cost_table_): New.
17796 (estimate_case_costs): Use it instead of xmalloc.
17798 * toplev.c (compile_file): Reuse dumpname memory instead
17801 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
17803 * reg-stack.c (convert_regs_1): Initialize target_stack->top
17804 after verifying an EH edge.
17806 * haifa-sched.c (init_rgn_data_dependences): Correctly
17807 size bb_pending_lists_length when zeroing.
17809 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
17811 * function.c (diddle_return_value): New.
17812 (expand_function_end): Use it.
17813 * stmt.c (expand_null_return): Likewise.
17814 (expand_value_return): Likewise.
17816 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
17818 * reload1.c (reload): Don't remove return value clobbers.
17820 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
17822 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
17824 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
17826 * cse.c (cse_main): Use xmalloc, not alloca.
17827 (cse_basic_block): Likewise.
17828 * local-alloc.c (local_alloc): Likewise.
17830 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
17831 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17833 * rtl.c: Include toplev.h.
17834 (fatal): Remove declaration.
17836 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
17838 * haifa-sched.c (schedule_block): Fix thinko.
17840 1999-11-03 James McKelvey <mckelvey@fafnir.com>
17842 * fixinc/fixincl.c(create_file): Allow for systems that do not have
17843 S_IR* defined values
17845 1999-11-03 Philippe De Muyter <phdm@macqel.be>
17847 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
17848 call `malloc' instead.
17850 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
17852 * flags.h (flag_renumber_insns): Declare.
17853 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
17855 * rtl.h (renumber_insns): Change prototype.
17856 * toplev.c (flag_renumber_insns): Define.
17857 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
17859 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
17861 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
17862 and fpsqrtd. Use them and create fdiv function unit to more
17863 accurately represent fpu sqrt pipeline semantics on UltraSparc.
17864 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
17866 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
17868 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
17870 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
17871 insn into ready list, do not use just a raw swap.
17873 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
17875 * rtl.h (renumber_insns): New function.
17876 (remove_unnecessary_notes): Likewise.
17877 * emit-rtl.c (renumber_insns): Define.
17878 (remove_unncessary_notes): Likewise.
17879 * toplev.c (rest_of_compilation): Remove dead code.
17880 Use renumber_insns and remove_unncessary_notes.
17882 * gcse.c (struct null_pointer_info): New type.
17883 (get_bitmap_width): New function.
17884 (current_block): Remove.
17885 (nonnull_local): Likewise.
17886 (nonnull_killed): Likewise.
17887 (invalidate_nonnull_info): Take a null_pointer_info as input.
17888 (delete_null_pointer_checks_1): New function.
17889 (delete_null_pointer_checks): Use it.
17891 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
17892 (split_edges): Likewise.
17893 (schedule_block): Likewise.
17894 (compute_block_backward_dependencies): Likewise.
17895 (schedule_region): Likewise.
17896 (schedule_insns): Likewise.
17898 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
17900 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
17901 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
17902 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
17903 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
17904 * jump.c (delete_unreferenced_labels): Don't delete if
17905 LABEL_ALTERNATE_NAME is set.
17906 * print-rtl.c (print_rtx): Dump alternate name.
17907 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
17908 * rtl.h (LABEL_ALTERNATE_NAME): Define.
17909 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
17910 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
17912 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17914 * fix-header.c (recognized_extern, recognized_function): Constify
17917 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
17918 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
17919 (compute_available): Remove unused variable `last'.
17920 (compute_nearerout): Remove unused variable `temp_bitmap'.
17921 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
17922 Remove unused variable `x'.
17924 * scan.h (recognized_function, recognized_extern): Constify a
17927 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
17929 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17931 * varasm.c (decode_rtx_const): Use XSTR to access the string
17934 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
17936 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
17938 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17940 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
17942 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
17944 * pa.c (ireg_operand): New function.
17945 * pa.h (PREDICATE_CODES): Handle ireg_operand.
17946 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
17947 Fix out of date comment.
17949 * pa.md (negdi2): Turn into expander + anonymous pattern.
17951 * reload.c (find_reloads): Fix typos in recent change.
17953 * dwarf2out.c: Do not include ctype.h.
17955 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
17957 * regclass.c (record_reg_classes): Always use may_move_cost when
17958 seeing how operand fits with various register classes.
17960 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
17962 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
17963 * toplev.c: Revert Nov 1 13:22 change.
17965 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
17967 * config/pa/pa.md (height reduction patterns): Add checks for
17968 overlapping operands to avoid semantic-destroying splits for
17969 height reduction patterns.
17971 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17973 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
17974 have been an hyphen, fixed.
17975 * configure: Rebuilt.
17977 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
17979 * config/arm/tpe.h: Add prototypes for exported functions.
17980 * config/arm/pe.c: Fix compile time warnings.
17981 * config/arm/semi.h: Fix compile time warnings.
17982 * config/arm/arm.c: Fix compile time warnings.
17983 * config/arm/arm.h: Fix compile time warnings.
17984 * config/arm/arm.md: Fix compile time warnings.
17985 * config/arm/thumb.c: Fix compile time warnings.
17986 * config/arm/thumb.h: Fix compile time warnings.
17987 * config/arm/thumb.md: Fix compile time warnings.
17989 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
17991 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
17994 * unroll.c (unroll_loop): Remove LOOP notes when loop is
17995 completely unrolled.
17997 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17999 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
18001 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
18003 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
18004 * rtl.h (rtx_equal_p): Move prototype.
18005 * rtl.c (rtx_equal_function_value_matters): Move from
18007 (rtx_equal_p): Likewise.
18008 * rtlanal.c (rtx_equal_function_value_matters): Delete.
18009 (rtx_equal_p): Likewise.
18011 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
18013 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
18014 ! HAS_INIT_SECTION.
18016 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
18018 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
18020 * pa.h (ADDR_VEC_ALIGN): Define.
18022 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
18023 notes when presented with "if (foo) break; end_of_loop" and
18024 the break sequence gets moved out of the loop.
18026 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
18027 Remove explicit zero initializations of entries within MAP.
18029 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
18031 * reg-stack.c (convert_regs_1): Handle EH edges specially.
18033 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
18035 * bitmap.h (BITMAP_XMALLOC): New macro.
18036 * flow.c (CLEAN_ALLOCA): Remove.
18037 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
18038 (life_analysis): Likewise.
18039 (update_life_info): Don't use CLEAN_ALLOCA.
18040 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
18041 (calculate_global_regs_live): Likewise.
18042 (print_rtl_with_bb): Likewise.
18043 (verify_flow_info): Likewise.
18044 * global.c (global_alloc): Likewise.
18045 (global_conflicts): Likewise.
18046 * integrate.c (save_for_inline_nocopy): Likewise.
18047 (expand_inline_function): Likewise.
18048 * jump.c (jump_optimize_1): Likewise.
18049 (duplicate_loop_exit_test): Likewise.
18050 (thread_jumps): Likewise.
18051 * loop.c (loop_optimize): Likewise.
18052 (combine_givs): Likewise.
18053 (recombine_givs): Likewise.
18054 * reorg.c (dbr_schedule): Likewise.
18055 * unroll.c (unroll_loop): Likewise.
18057 * combine.c (combine_instructions): Use xmalloc instead of alloca.
18059 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
18061 * toplev.c (rest_of_compilation): Don't optimize the CFG
18062 when rebuilding, just before dbr.
18064 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18066 * output.h (assemble_end_function, assemble_destructor,
18067 assemble_constructor, assemble_gc_entry, assemble_global,
18068 assemble_label, output_constant_pool) Constify a char*.
18070 * varasm.c (assemble_destructor, assemble_constructor,
18071 assemble_gc_entry, assemble_end_function, assemble_global,
18072 assemble_label, output_constant_pool): Likewise.
18074 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
18076 * config/arm/thumb.c (thumb_expand_prologue): Add comments
18077 explaining what is goin on in this function.
18079 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
18081 * regclass.c (record_reg_classes): In matching case, recompute
18082 costs since the direction of movement is different.
18084 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
18086 * resource.c (mark_target_live_regs): For unconditional branches,
18087 the resources found at the branch target should be added to the
18088 resources found so far, not intersected.
18090 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
18092 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
18094 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
18095 (sys/mman.h): Include this file only if #HAVE_MMAP.
18096 (run_compiles): Initialize `esac_fmt' with one old KR string, not
18097 with automatically concatenated ANSI strings.
18099 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
18101 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
18102 (DIV_ROUND_UP): Robustify.
18103 (ggc_recalculate_in_use_p): New function.
18104 (release_pages): Don't inline it.
18105 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
18107 (ggc_pop_context): Use ggc_recalculate_in_use_p.
18108 (clear_marks): Always save in_use_p.
18109 (sweep_pages): Use ggc_recalculate_in_use_p.
18110 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
18111 Release pages before counting statistics.
18113 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
18115 * toplev.c (rest_of_compilation): Fix thinko in this change:
18117 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
18119 (rest_of_compilation): If inside an inlined external function,
18120 pretend we are just being declared.
18122 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
18124 * flow.c (calculate_global_regs_live): Fix thinko.
18126 * integrate.c (expand_inline_function): Fix bugs in previous
18127 change from Oct 28, 1999.
18129 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
18131 * stmt.c (expand_value_return): Fix typo in this change:
18133 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
18134 (expand_value_return): Correctly convert VAL when promoting function
18135 return; support RETURN_REG being a PARALLEL.
18137 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
18139 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
18141 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18143 * hard-reg-set.h (reg_names): Constify a char*.
18145 * regclass.c (reg_names): Likewise.
18147 * regs.h (reg_names): Likewise
18149 * a29k/a29k.c (reg_names): Delete declaration.
18151 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
18153 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
18154 arc_output_function_epilogue): Likewise.
18156 * elxsi/elxsi.c (reg_names): Likewise.
18158 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
18160 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
18163 * m88k/m88k.c (output_function_profiler): Likewise.
18165 * sparc/sparc.c (sparc_flat_output_function_prologue,
18166 sparc_flat_output_function_epilogue): Likewise.
18168 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
18170 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
18171 warning from -Wuninitialized and put it under -W.
18172 * function.c (uninitialized_vars_warning): Warn only when the
18173 corresponding flag is set.
18175 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
18177 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
18178 is nonzero and the single set does not have an elt, then assign
18181 * simplify-rtx.c: New file.
18182 * Makefile.in (OBJS): Add simplify-rtx.o
18183 (simplify-rtx.o): Add dependencies.
18184 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
18185 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
18186 (cse_gen_binary, simplify_unary_operation): Delete.
18187 (simplify_binary_operation, simplify_plus_minus): Likewise.
18188 (check_fold_consts, simplify_relation_operation): Likewise.
18189 (simplify_ternary_operation): Likewise.
18190 (delete_trivially_dead_insns): Simplify the contents of the
18191 REG_EQUAL note before trying to substitute it into the source
18192 of the reg-reg copy at the end of a libcall sequence.
18194 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
18195 references/callers changed.
18197 * mn10200.c (mn10200_va_arg): Force the return value into a
18200 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
18202 * cccp.c (macroexpand): Avoid out of range accesses for omitted
18205 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
18207 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
18209 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
18211 * fold-const.c (fold): Fix thinko when optimizing comparisons
18214 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
18216 * gcc.texi (Passes): Update front-end files to their current
18219 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
18221 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
18222 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
18223 (PREDICATE_CODES): Add addition_operation.
18224 * alpha-protos.h (addition_operation): Declare.
18225 (secondary_reload_class): Likewise.
18226 * alpha.c (addition_operation): New.
18227 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
18228 * alpha.md (adddi3): Turn into expander.
18229 (*lda, *adddi_2): New.
18230 (movsf, movdf patterns): Don't preference integer regs.
18231 (movsi, movdi patterns): Don't preference fp regs.
18233 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
18235 * genrecog.c (write_switch): Check for duplicate CODE cases.
18237 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
18239 * ggc-common.c: Update pre-function commentary.
18240 * ggc-page.c: Likewise.
18242 (poison_pages): Use memset directly.
18243 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
18244 (ggc_collect): Poison before sweeping.
18245 * ggc-simple.c: Update pre-function commentary.
18246 (ggc_alloc_obj): Poison non-zeroed memory.
18248 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
18250 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
18251 match format string, even on 64-bit hosts.
18252 * gcc-page.c (ggc_page_print_statistics): Likewise.
18254 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
18256 * config/i386/i386.c (ix86_cpu): Revert last patch.
18257 * config/i386/i386.h (ix86_cpu): Ditto.
18259 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
18261 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
18262 TYPE_SIZE, convert type of result to sizetype.
18264 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
18266 * flow.c (count_or_remove_death_notes): Equate NULL with the
18269 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
18270 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
18273 * i386.c (pic_label_no): Delete.
18274 (ix86_attr_length_default): Don't use single_set to peek
18277 * recog.c (peephole2_optimize): Allow recog_next_insn to index
18278 the first insn after bb->end.
18279 * i386.md (push mem peeps): Scratch is live after evaluation
18281 (cmp mem peep): Similarly.
18283 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
18285 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
18286 * function.c (pad_to_arg_alignment): Add missing braces.
18288 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18290 * alpha/alpha-protos.h (literal_section): Add prototype.
18291 (alpha_need_linkage, alpha_start_function,alpha_end_function):
18294 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
18296 (alpha_start_function, alpha_end_function, float_strings,
18297 alpha_need_linkage): Constify a char*
18299 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
18301 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
18303 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
18305 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
18307 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18309 * flow.c (debug_flow_info): Add prototype.
18311 * gcc.c (main): Likewise.
18313 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
18316 * reload1.c (failed_reload, set_reload_reg): Likewise.
18318 * mips-tfile.c (main): Likewise.
18319 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
18320 with ATTRIBUTE_NORETURN.
18322 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
18324 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
18325 DECL is not a memory ref.
18327 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
18329 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
18330 * config/i386/i386.c (ix86_cpu): Add extern attribute.
18332 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
18334 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
18335 * config/mips/elf64.h: ditto.
18337 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
18339 * expr.c (emit_push_insn): New argument alignment_pad.
18340 Update all callers. Adjust stack pointer based on alignment pad.
18341 * function.c (pad_to_arg_alignment): New argument alignment_pad.
18342 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
18343 (locate_and_pad_parm): New argument alignment_pad. Update all
18345 * expr.h (emit_push_insn): Update prototype.
18346 (locate_and_pad_parm): Update prototype.
18347 * calls.c (arg_data): Add new field alignment_pad.
18348 (initialize_argument_information): Initialize alignment_pad.
18350 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
18352 * except.c (free_eh_nesting_info): Free the info itself.
18353 * function.c (free_after_compilation): Don't free NULL.
18354 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
18355 (pre_edge_insert): Free inserted.
18356 * stmt.c (free_stmt_status): Don't free NULL.
18358 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
18360 * gcov.c (DIR_SEPARATOR): Provide default.
18361 (output_data): Add test for MS-DOS format absolute filename.
18362 (fancy_abort): Correct program name.
18363 (open_files): Open all files in binary mode.
18364 * libgcc2.c (__bb_exit_func): Likewise.
18366 * profile.c (init_branch_prob): Specify binary when opening files.
18368 * flags.h (flag_unwind_tables): New decl.
18369 * toplev.c (flag_unwind_table): New definition.
18370 (f_options): Add -funwind-tables.
18371 (decode_g_option): Clarify warning when unknown -g option is given.
18372 (rest_of_compilation): If inside an inlined external function,
18373 pretend we are just being declared.
18375 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
18376 (dwarf2out_frame_finish): Likewise.
18378 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
18380 * fold-const.c (merge_ranges): If not in0, but in1, handle
18381 upper bounds equal like subset case.
18383 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
18385 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
18386 passed in a register but moved to the stack.
18388 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
18390 * gcc.c (pass_exit_codes, greatest_status): New variables.
18391 (struct option_map): Add entry for "--pass-exit-codes".
18392 (execute): Update greatest_status if error.
18393 (display_help): Add documentation for -pass-exit-codes.
18394 (process_command): Handle -pass-exit-codes.
18395 (main): Look at pass_exit_codes and greatest_status on call to exit.
18397 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
18399 * reload.c (find_reloads): Refine test for no input reload
18400 case to not includes reloads emitted after insn.
18402 * function.c (find_temp_slots_from_address): Handle sum involving
18403 a register that points to a temp slot.
18404 (update_temp_slot_address): Make recursive call if both old and
18405 new are PLUS with a common operand.
18406 * calls.c (expand_call): Mark temp slot for result as having
18409 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
18411 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
18412 component as well as "BINUTILS".
18414 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
18415 * integrate.c (copy_rtx_and_substitute): Likewise.
18416 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
18417 All callers changed.
18418 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
18420 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
18421 gdb extensions, write size of type; also be more consistent
18422 in using references when this is a subtype.
18424 * pa.md (extv, extzv, insv): Use define_expand to reject constant
18425 that is out of range.
18427 * loop.c (unknown_constant_address_altered): New variable.
18428 (prescan_loop): Initialize it.
18429 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
18430 (invariant_p, case MEM): Remove handling for volatile and readonly;
18431 check new variable if readonly.
18432 (check_dbra_loop): Chdeck unknown_constant_address_altered.
18434 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
18435 (addr_affects_sp_p): Removed from note_mem_written and only
18436 define #ifdef AUTO_INC_DEC.
18438 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
18440 * regclass.c (record_reg_classes): Properly handle register move
18443 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
18444 Don't think valid if both operands are invalid.
18445 (struct constant_descriptor): New field RTL.
18446 (mark_const_hash_entry): Mark it.
18447 (record_constant{,_rtx}): Initialize it.
18448 (output_constant_def): Allocate RTL in permanent obstack and
18450 ({record,compare}_constant_1): Modes must match for
18451 CONSTRUCTOR of ARRAY_TYPE.
18453 * c-common.h (initializer_constant_valid_p): Delete decl from here.
18454 * output.h (initializer_constant_valid_p): Move decl to here.
18455 * c-common.c (initializer_constant_valid_p): Delete function from here.
18456 * varasm.c (initializer_constant_valid_p): Move function to here.
18458 * tree.h (STRIP_SIGN_NOPS): New macro.
18459 * fold-const.c (optimize_minmax_comparison): New function.
18460 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
18461 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
18462 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
18463 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
18464 widening conversions.
18465 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
18466 to look at size of mode, not precision of type; also add missing cases.
18467 (optimize_bit_field_compare, decode_field_reference): Don't try to
18468 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
18470 * dwarf2out.c (ctype.h): Include.
18471 (dwarf2out_set_demangle_name_func): New function.
18472 (size_of_line_info): Deleted.
18473 (output_line_info): Compute size of line info table from difference
18475 (base_type_die, add_name_attribute): Call demangle function, if any.
18476 (field_byte_offset): Use bits per word for variable length fields.
18477 (gen_array_type_die): Add array name.
18478 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
18479 (dwarf2out_add_library_unit_info): New function.
18481 * explow.c (set_stack_check_libfunc): New function.
18482 (stack_check_libfunc): New static variable.
18483 (probe_stack_range): Allow front-end to set up a libfunc to call.
18485 * combine.c (simplify_comparison): When making comparison in wider
18486 mode, check for having commuted an AND and a SUBREG.
18487 (contains_muldiv): New function.
18488 (try_combine): Call it when dividing a PARALLEL.
18489 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
18490 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
18492 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
18493 use one of the CLOBBERs instead.
18494 (if_then_else_cond): If comparing against zero, just return thing
18497 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
18498 Don't generate shifts and subtract if have conditional arithmetic.
18500 * rtl.h (delete_barrier): New declaration.
18501 * jump.c (jump_optimize): Set up to handle conditional call.
18502 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
18503 (delete_barrier): New function.
18505 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
18507 * recog.c (nonmemory_operand): Accept ADDRESSOF.
18509 * tree.c (build_type_attribute_variant): Push to obstack of
18510 ttype around type_hash_canon call.
18512 * expr.c (placeholder_list): Move decl to file scope.
18513 (expand_expr): Don't force access to volatile just because its
18515 If ignoring reference operations, just expand the operands.
18516 (expand_expr, case COMPONENT_REF): Propagate
18517 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
18518 Refine test for using bitfield operations vs pointer punning.
18519 (expand_expr, case CONVERT_EXPR): If converting to
18520 BLKmode UNION_TYPE from BLKmode, just return inner object.
18521 Use proper mode in store_field call.
18522 Properly set sizes of object to store and total size in store_field
18523 call for convert to union.
18524 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
18525 memory (like for ADDR_EXPR). Also, don't put constant in register if
18526 we'll want it in memory.
18527 (readonly_fields_p): New function.
18528 (expand_expr, case INDIRECT_REF): Call it if LHS.
18529 (expand_assignment): Handle a RESULT_DECL where
18530 DECL_RTL is a PARALLEL.
18531 (do_jump, case WITH_RECORD_EXPR): New case.
18532 (get_inner_reference): Always go inside a CONVERT_EXPR
18533 and NOP_EXPR if both modes are the same.
18534 (store_field): Use bitfield operations if size of bitsize is not same
18535 as size of RHS's type.
18536 Check for bitpos not a multiple of alignment in BLKmode case.
18537 Do block move in largest possible alignment.
18538 (store_constructor): Set BITSIZE to -1 for variable size and properly
18539 in case of array of BLKmode.
18540 (expand_expr_unaligned): New function.
18541 (do_compare_and_jump): Call it.
18543 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
18544 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
18545 does not include 'o'.
18547 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
18548 both SET_DEST and SET_SRC reference a virtual register.
18549 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
18551 * integrate.c (expand_inline_function): Handle case of setting
18552 virtual stack vars register (from built in setjmp); when parameter
18553 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
18554 (subst_constant): Add new parm, MEMONLY.
18555 (expand_inline_function, integrate_parm_decls): Pass new parm.
18556 (integrate_decl_tree): Likewise.
18557 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
18558 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
18559 (copy_rtx_and_substitute, case SET): Add explicit calls to
18560 copy_rtx_and_substitute for both sides.
18562 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
18564 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
18565 within INDEX_TYPE, instead of before.
18566 (fixup_gotos): Use f->target_rtl, not the next insn,
18567 since latter may be from a later fixup.
18568 (expand_value_return): Correctly convert VAL when promoting function
18569 return; support RETURN_REG being a PARALLEL.
18570 (expand_return): When checking for result in regs and having
18571 cleanup, consider PARALLEL in DECL_RTL as being in regs.
18573 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
18575 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
18576 last_nominal_fname): Mark const.
18577 (struct include_hash: name, nshort, control_macro): Mark
18579 (struct macrodef: symnam): Mark const.
18580 (struct if_stack: fname): Mark const.
18581 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
18582 (IStable): New character-syntax array which encompasses all
18583 the old is_foo arrays.
18584 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
18585 is_space): New macros for interrogating IStable.
18586 (check_macro_name): Kill last argument. All callers changed.
18588 * cppinit.c (initialize_char_syntax): Delete.
18589 (is_idchar, is_idstart, is_hor_space, is_space,
18590 trigraph_table): Delete.
18591 (IStable): New. Initialize with clever macros to avoid
18592 information duplication.
18593 (builtin_array): Table of builtins to get rid of explicit list
18594 in initialize_builtins.
18595 (initialize_builtins): Use builtins_array.
18596 (cpp_start_read): Call init_IStable, and set IStable['$'] if
18597 opts->dollars_in_ident.
18599 * cppexp.c: Change all refs to is_xyz[] arrays to use new
18601 (cpp_parse_expr): Avoid 'format string is not constant'
18602 warning. Use ISGRAPH to identify printable chars.
18603 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
18605 (read_and_prescan): Map trigraphs to chars with open-coded
18606 if-else-if-... sequence, not a lookup table.
18607 * cpphash.c: Change all refs to is_xyz[] arrays to use new
18609 * cpplib.c: Change all refs to is_xyz[] arrays to use new
18610 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
18611 (check_macro_name): Remove ability to report an invalid
18612 assertion name, which is never used.
18613 (do_line): Constify a couple of char *'s.
18614 * cppmain.c (main): Call cpp_cleanup before returning.
18616 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
18618 * ggc.h (struct ggc_statistics): New type.
18619 (ggc_get_size): New function.
18620 (ggc_print_statistics): Likewise.
18621 * ggc-common.c (ggc_stats): New variable.
18622 (ggc_mark_rtx_children): Keep statistics.
18623 (ggc_mark_tree_children): Likewise.
18624 (ggc_print_statistics): New function.
18625 * ggc-page.c (struct globals): Add bytes_mapped field.
18626 (alloc_anon): Update it.
18627 (release_pages): Likewise.
18628 (ggc_get_size): New function.
18629 (ggc_page_print_statistics): New function.
18630 * ggc-simple.c (ggc_get_size): New function.
18632 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
18634 * flow.c (propagate_block): When the last reference to a label
18635 before an ADDR_VEC is deleted because the reference is a dead
18636 store, delete the ADDR_VEC.
18638 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
18640 * resource.c (find_free_register): Don't use the frame pointer
18641 if frame_pointer_needed.
18643 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
18645 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
18646 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
18648 * config/i960/i960.c (i960_va_start): New locals base, num.
18649 Use INDIRECT_REF instead of ARRAY_REF on valist.
18650 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
18652 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
18654 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
18656 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
18658 * tree.def (PLACEHOLDER_EXPR): Update comments.
18660 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18662 * c-common.c (check_format_info): Avoid non-literal format string
18663 warnings when `first_arg_num' is zero.
18665 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18667 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
18669 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
18671 * arm.md (casesi_insn): Add a clobber of the condition code
18674 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
18676 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
18677 used by both cc1 and cc1plus.
18679 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
18681 * config/arm/arm.c: Initialise arm_structure_size_boundary to
18682 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
18683 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
18684 to the value 32 if it has not already been defined.
18685 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
18686 Override definition in arm.h with a value of 8.
18688 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
18690 * c-pragma.c (push_alignment): Don't check the return value
18693 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
18695 * sparc.h (ADJUST_COST): Fix thinko.
18697 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
18699 * cccp.c (rescan): Fixed obp pointer handling around call to
18700 check_expand subroutine.
18702 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
18704 * gcse.c (delete_null_pointer_checks): Only record non-null info
18705 for pseudos when examining stores.
18707 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
18708 splitters for these patterns. Use "#" for output templates.
18709 (addsi3_carryin_shift): New pattern.
18711 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
18713 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
18714 of the function return register into a plain REG until
18715 after function inlining is done.
18717 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
18719 * jump.c (jump_optimize_1): If we did cross-jumping, and
18720 the data will matter, rebuild the CFG.
18721 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
18722 not optimizing. Don't run shorten_branches.
18723 * toplev.c (rest_of_compilation): Run shorten_branches after
18726 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
18728 * rtl.h (note_stores): Add additional paramter.
18729 * rtlanal.c (reg_set_p_1): Take additional paramter.
18730 (reg_set_last_1): Likewise.
18731 (reg_set_p): Adjust call to note_stores.
18732 (reg_set_last): Likewise.
18733 (note_stores): Pass data parameter to worker function.
18734 * alias.c (record_set): Take additional parameter.
18735 (init_alias_analysis): Pass it.
18736 * caller-save.c (mark_set_regs): Take additional parameter.
18737 (save_call_clobbered_regs): Pass NULL to note_stores.
18738 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
18740 (record_dead_and_set_regs_1): Likewise.
18741 (reg_dead_at_p_1): Likewise.
18742 (combine_instructions): Adjust calls to note_stores.
18743 (try_combine): Likewise.
18744 (record_dead_insn): Remove.
18745 (record_dead_and_set_regs): Adjust calls to note_stores.
18746 (reg_dead_at_p): Likewise.
18747 * cse.c (invalidate_skipped_set): Take additional parameter.
18748 (cse_check_loop_start): Likewise.
18749 (cse_check_loop_start_value): Remove.
18750 (cse_set_around_loop): Adjust calls to note_stores.
18751 * flow.c (notice_stack_pointer_modification): Take additional
18752 parameter. Remove duplicate declaration.
18753 (record_volatile_insns): Adjust calls to note_stores.
18754 * gcse.c (record_set_info): Take additional parameter.
18755 (record_last_set_info): Likewise.
18756 (invalidate_nonnull_info): Likewise.
18757 (record_set_insn): Remove.
18758 (compute_sets): Adjust calls to note_stores.
18759 (last_set_insn): Remove.
18760 (compute_hash_table): Adjust calls to note_stores.
18761 (insert_insn_end_bb): Likewise.
18762 (delete_null_pointer_checks): Likewise.
18763 * global.c (mark_reg_store): Take additional parameter.
18764 (mark_reg_clobber): Likewise.
18765 (reg_becomes_live): Likewise.
18766 (global_conflicts): Adjust calls to note_stores.
18767 (build_insn_chain): Likewise.
18768 * integrate.c (note_modified_parmregs): Take additional parameter.
18769 (mark_stores): Likewise. Make it static.
18770 (save_for_inline_nocopy): Adjust calls to note_stores.
18771 (try_constants): Likewise.
18772 * integrate.h (mark_stores): Remove declaration.
18773 * jump.c (mark_modified_reg): Take additional parameter.
18774 (thread_jumps): Adjust calls to note_stores.
18775 * local-alloc.c (validate_equiv_mem_from_store): Take additional
18777 (no_equiv): Likewise.
18778 (reg_is_set): Likewise.
18779 (validate_equiv_mem): Adjust calls to note_stores.
18780 (update_equiv_regs): Likewise.
18781 (block_alloc): Likewise.
18782 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
18783 (note_addr_stored): Take additional parameter.
18784 (note_set_pseudo_multiple_uses): Likewise.
18785 (record_initial): Likewise.
18786 (prescan_loop): Adjust calls to note_stores.
18787 (strength_reduce): Likewise.
18788 (check_dbra_loop): Likewise.
18789 * regmove.c (flags_set_1): Take additional paramter.
18790 (mark_flags_life_zones): Adjust calls to note_stores.
18791 * reload1.c (mark_not_eliminable): Take additional parameter.
18792 (forget_old_reloads_1): Likewise.
18793 (reload_cse_invalidate_rtx): Likewise.
18794 (reload_cse_check_clobber): Likewise.
18795 (reload_combine_note_store): Likewise.
18796 (move2add_note_store): Likewise.
18797 (reload): Adjust calls to note_stores.
18798 (reload_as_needed): Likewise.
18799 (emit_reload_insns): Likewise.
18800 (reload_cse_regs_1): Likewise.
18801 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
18802 (reload_combine): Adjust calls to note_stores.
18803 * resource.c (update_live_status): Take additional paramter.
18804 (mark_target_live_regs): Adjust calls to note_stores.
18805 * stupid.c (find_clobbered_regs): Take additional parameter.
18806 (stupid_life_analysis): Adjust calls to note_stores.
18808 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
18810 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
18813 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
18816 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
18817 of the variable arm_structure_size_boundary.
18819 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
18821 * alias.c (init_alias_analysis): Allocate reg_known_value and
18822 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
18824 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
18825 * cse.c (cse_main): Call end_alias_analysis.
18826 * haifa-sched.c (schedule_insns): Likewise.
18827 * local-alloc. (update_equiv_regs): Likewise.
18828 * reload1.c (reload_cse_regs): Likewise.
18830 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
18832 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
18833 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
18834 mapping from MASK_FPU.
18836 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
18838 * sparc.md (call): Don't bound structure return size to 0xfff.
18840 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
18842 * resource.c (mark_target_live_regs): Check that the target
18843 insn wasn't created after compute_bb_for_insn.
18845 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
18847 * ggc-page.c (poison_pages): Don't be overzealous.
18849 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
18851 * alias.c: Update comments for ADDRESS.
18852 (nonlocal_reference_p): Look inside the ADDRESS to determine if
18853 it is a local memory reference.
18855 * c-typeck.c (build_function_call): Check that the built-in
18856 function is of class BUILT_IN_NORMAL before trying to recongize
18857 it as BUILT_IN_ABS.
18858 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
18859 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
18861 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
18863 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
18865 (pre_gcse): Likewise.
18866 (hoist_expr_reaches_here_p): Likewise.
18867 (hoist_code): Likewise.
18868 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
18870 (pre_expr_reaches_here_p_work): ... here.
18871 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
18873 (expr_reaches_here_p_work): ... here.
18875 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
18877 * resource.c (find_basic_block): Delete.
18878 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
18879 (init_resource_info): Call compute_bb_for_insn.
18881 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
18883 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
18884 with already adjacent blocks, but no fallthru.
18885 (merge_blocks_move_successor_nojumps): Simplify.
18886 (debug_flow_info): New.
18888 * toplev.c (rest_of_compilation): Open jump1 dump file before
18889 jump and close after, as opposed to just using dump_rtl.
18891 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18893 * reload.h (earlyclobber_operand_p): Declare.
18894 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
18895 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
18896 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
18897 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
18899 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
18900 Richard Henderson <rth@cygnus.com>
18902 * emit-rtl.c (emit_block_insn_before): New.
18903 (emit_block_insn_after): New.
18904 * basic-block.h: Declare them.
18906 * bitmap.h: Protect from multiple inclusion.
18908 * recog.c (scratch_operand): Handle VOIDmode correctly.
18910 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
18912 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
18913 * function.c (assign_parms): Likewise.
18914 * global.c (global_conflicts): Clarify STACK_REGS commentary.
18916 * reg-stack.c (max_uid): Remove.
18917 (blocks, block_begin, block_end, block_drops_in): Remove.
18918 (block_stack_in, block_out_reg_set, block_number): Remove.
18919 (struct block_info_def, BLOCK_INFO): New.
18920 (enum emit_where): New.
18921 (current_block): New.
18922 (BLOCK_NUM): Remove.
18923 (mark_regs_pat, record_label_references): Remove.
18924 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
18926 (goto_block_pat, print_blocks, dump_stack_info): Remove.
18927 (reg_to_stack): Simplified test for existance of fp code. Use
18928 flow.c code. Call shorten_branches after cross-jump opt.
18929 (check_asm_stack_operands): Renamed from record_asm_reg_life.
18930 Return false if the asm doesn't use stack regs. Don't do life
18931 analysis on the asm.
18932 (emit_pop_insn): Replace function pointer arg `when' with
18933 enum `where'. Update all callers.
18934 (change_stack): Likewise. Update basic block end.
18935 (emit_swap_insn): Use current_block->head to limit reverse search
18936 for start of block. Use emit_block_insn_after.
18937 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
18938 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
18939 structure assignment instead of bcopy.
18940 (print_stack): New.
18941 (convert_regs_entry, convert_regs_exit): New.
18942 (convert_regs_1, convert_regs_2): Split out from convert_regs.
18943 Work on basic blocks and the CFG.
18944 (convert_regs): Use them.
18946 * i386.c (output_fix_trunc): Remove code for DImode input operand
18947 not at top-of-stack.
18948 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
18950 (fix_truncdi_1): Allow any mode scratch.
18952 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
18954 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
18955 * linux.h, netbsd.h, vms.h: Not here.
18957 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
18959 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
18960 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
18961 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
18962 CONDITIONAL_REGISTER_USEAGE): Use them.
18963 * config/mips/mips.c (mips_move_1word,mips_move_2words,
18964 gen_conditional_branch,override_options) : Use them.
18965 * config/mips/mips.md : Use them.
18967 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
18969 * i386.md (zero_extendqihi2): Use SImode register name with andl.
18971 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
18973 * integrate.c (function_cannot_inline_p): Don't allow inlining
18976 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18978 * c-parse.in (cast_expr): Constify.
18980 * cccp.c (special_symbol): Likewise.
18982 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
18984 * dwarf2out.c (base_type_die): Likewise.
18986 * global.c (allocno_compare): Likewise.
18988 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
18990 * regclass.c (fix_register): Likewise.
18992 * rtl.h (fix_register): Likewise.
18994 * stupid.c (stupid_reg_compare): Likewise.
18996 * toplev.c (decode_f_option): Likewise.
18998 * tree.c (build_complex_type): Likewise.
19000 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
19002 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
19004 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19006 * reload.c (find_reloads): Compute mode and nregs fields of all
19008 * reload1.c (calculate_needs_all_insns): Simplify a bit.
19009 (calculate_needs): Use precomputed mode/nregs values.
19010 (allocate_reload_reg): Likewise.
19012 (failed_reload, set_reload_reg): ... new functions.
19013 (choose_reload_regs_init): New function, mostly broken out from...
19014 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
19015 Also lose one #if 0 block.
19017 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
19019 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
19022 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
19024 * tree.h (BLOCK_TYPE_TAGS): Remove.
19025 (BLOCK_END_NOTE): Likewise.
19026 (BLOCK_LIVE_RANGE_FLAG): Likewise.
19027 (BLOCK_LIVE_RANGE_START): Likewise.
19028 (BLOCK_LIVE_RANGE_END): Likewise.
19029 (tree_block): Remove live_range_flag, live_range_var_flag, and
19030 type_tags. Remove end_note, live_range_start, and live_range_end.
19031 (remember_end_note): Remove prototype.
19032 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
19033 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
19035 * ggc-common.c (ggc_mark_tree_children): Don't mark
19036 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
19037 * integrate.c (adjust_copied_decl_tree): Remove.
19038 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
19039 * stmt.c (last_block_end_note): Remove.
19040 (init_stmt): Don't add a GC root for it.
19041 (expand_fixup): Don't set it.
19042 (remember_end_note): Remove.
19043 (expand_end_bindings): Don't set last_block_end_note.
19045 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19047 * reload1.c (reload_reg_free_for_value_p): Show
19048 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
19051 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
19053 * expmed.c (extract_bit_field): Allow for the case of non-integer
19054 objects that are smaller than a word (like SFmode on a 64-bit
19057 * loop.c (basic_induction_var): A non-integer variable which is
19058 being set by a paradoxical subreg is probably not a biv.
19060 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
19062 * prefix.c (translate_name) Check for empty prefix string.
19064 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
19066 * Makefile.in (CPP_CROSS_NAME): New variable.
19067 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
19069 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
19070 names of the files to be uninstalled.
19072 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
19074 * collect2.c (IS_DIR_SEPARATOR): Define.
19075 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
19077 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
19080 * haifa-sched.c (add_dependence): Update the true dependency
19081 cache the first time we add a true dependence to the LOG_LINKS chain.
19083 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
19085 * fold-const.c (fold): Fix comment.
19087 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19089 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
19090 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
19091 dbxout_start_new_source_file, dbxout_source_file,
19092 dbxout_source_line, dbxout_finish, dbxout_type_fields,
19093 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
19095 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
19096 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
19097 (dbxout_block): Initialize variable `blocknum'.
19099 * dbxout.h (dbxout_init, dbxout_finish,
19100 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
19101 dbxout_args, dbxout_source_line): Constify a char*.
19103 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
19104 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
19105 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
19106 low_pc_attribute, high_pc_attribute, body_begin_attribute,
19107 body_end_attribute, comp_dir_attribute, sf_names_attribute,
19108 src_info_attribute, mac_info_attribute, producer_attribute,
19109 lookup_filename, generate_macinfo_entry, fundamental_type_code,
19110 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
19111 dwarfout_undef): Constify a char*.
19112 (add_incomplete_type, retry_incomplete_types): Add prototypes.
19114 * dwarfout.h (dwarfout_define, dwarfout_undef,
19115 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
19117 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
19119 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
19120 (MULTILIB_ISA_DEFAULT): New.
19121 (MULTILIB_DEFAULTS): Use it.
19122 * config/mips/mips.c (): Remove the now unnecessary definition
19123 of MIPS_ISA_DEFAULT.
19124 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
19125 unnecessary definition.
19127 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
19129 * arm.md (pic_load_addr): Add constraints to operand 1.
19131 1999-10-25 Bruce Korb <autogen@linuxbox.com>
19133 * fixinc/genfixes: Provide a means for specifying -D options to
19136 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
19138 * arm.c (arm_override_options): Correct initialization of
19139 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
19140 arm_is_strong, and arm_is_6_or_7.
19142 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
19143 (note_set_pseudo_multiple_uses): New function.
19144 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
19145 if a pseudo set in the loop exit is used elsewhere.
19147 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
19149 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
19151 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
19153 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
19154 a single load-address pattern.
19156 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
19158 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
19159 depending on whether or not line-number notes are present.
19161 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19163 * cccp.c (progname, file_buf, default_include, include_file,
19164 macrodef, definition, hashval, wchar_type, user_label_prefix,
19165 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
19166 expand_to_temp_buffer, is_system_include, base_name,
19167 absolute_filename, read_name_map, open_include_file,
19168 record_control_macro, check_precompiled, check_preconditions,
19169 pcfinclude, pass_thru_directive, create_definition,
19170 check_macro_name, comp_def_part, collect_expansion,
19171 check_assertion, read_token_list, assertion_install,
19172 assertion_lookup, eval_if_expression, conditional_skip,
19173 validate_else, skip_quoted_string, quote_string, macarg1,
19174 error_from_errno, install, lookup, hashf, dump_defn_1,
19175 perror_with_name, pfatal_with_name, main, trigraph_pcp,
19176 check_white_space, rescan, handle_directive, monthnames,
19177 special_symbol, do_include, remap_include_file, write_output,
19178 arglist, do_assert, do_unassert, do_line, do_error, do_once,
19179 do_ident, do_sccs, do_xifdef, skip_if_group,
19180 output_line_directive, macroexpand, macarg, change_newlines,
19181 initialize_builtins, make_definition): Constify a char*.
19183 * pcp.h (stringdef): Likewise.
19185 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
19187 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
19190 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
19191 Richard Henderson <rth@cygnus.com>
19193 * alias.c: Include ggc.h.
19194 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
19195 (record_set): Verify enough room in reg_base_value.
19196 (init_alias_analysis): Allocate reg_base_value with xcalloc.
19197 Register it as a GC root.
19198 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
19199 * Makefile.in (alias.o): Depend on ggc.h.
19201 * unroll.c (unroll_loop): Verify the insn before a barrier
19202 is a JUMP_INSN before checking JUMP_LABEL.
19204 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19206 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
19207 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
19208 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
19209 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
19210 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
19211 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
19213 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19215 * output.h (ctors_section, dtors_section, bss_section): Prototype.
19217 * alpha/alpha-interix.h (text_section): Delete prototype.
19218 * alpha/elf.h (text_section): Likewise.
19219 * arm/linux-elf.h (text_section): Likewise.
19220 * arm/linux-telf.h (text_section): Likewise.
19221 * c4x/c4x.h (text_section): Likewise.
19222 * dsp16xx/dsp16xx.h (bss_section): Likewise.
19223 * elfos.h (text_section): Likewise.
19224 * i386/aix386ng.h (text_section): Likewise.
19225 * i386/i386-interix.h (text_section): Likewise.
19226 * i386/sco5.h (text_section): Likewise.
19227 * i386/svr3gas.h (text_section): Likewise.
19228 * nextstep.h (text_section): Likewise.
19229 * psos.h (text_section): Likewise.
19230 * ptx4.h (text_section): Likewise.
19231 * svr3.h (text_section): Likewise.
19232 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
19234 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19236 * final.c (peephole): Delete prototype.
19238 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
19239 (pre_insert_copies): Remove unused variable `bb'.
19241 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
19244 * output.h (peephole): Add prototype.
19246 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
19248 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
19251 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
19253 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
19254 for inlined declarations.
19256 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
19258 * arm.c (logical_binary_operator): New fucntion.
19259 * arm.h (logical_binary_operator): Declare it.
19260 (PREDICATE_CODES): Handle logical_binary_operator.
19261 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
19262 output constraints. Add appropriate splitters.
19263 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
19264 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
19265 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
19267 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19269 * genoutput.c (struct operand_data): New elt eliminable.
19270 (output_operand_data): Write it.
19271 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
19272 (compare_operands): Take it into account.
19273 * recog.h (struct insn_operand_data): New elt eliminable.
19274 * reload1.c (check_eliminable_occurrences, elimination_effects): New
19276 (old_asm_operands_vec, new_asm_operands_vec): Delete.
19277 (eliminate_regs): Move code that detects changes to elimination
19278 target regs into new function elimination_effects.
19279 Delete one #if 0 block.
19280 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
19281 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
19282 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
19283 Only call eliminate_regs for real operands of the insn, not for parts
19284 of its structure or parts matched by things like match_operator.
19285 Use elimination_effects and check_eliminable_occurrences. Use
19286 copy_insn to duplicate the pattern when not in the final pass.
19288 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
19290 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
19293 1999-10-22 Bruce Korb <autogen@linuxbox.com>
19295 * fixinc/README: document the "mach" machine matching test
19296 * fixinc/fixfixes.c: Implement the #else/#endif label fix
19297 * fixinc/fixtests.c: Implement the #else/#endif label test
19298 * fixinc/inclhack.def: utilize these tests and fixes
19299 * fixinc/inclhack.sh: regen
19300 * fixinc/fixincl.x: regen
19301 * fixinc/fixincl.sh: regen
19303 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
19305 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
19308 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
19310 * gcc.1: Document exit codes.
19312 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19314 * calls.c: Include tm_p.h later, so everything we need is defined.
19315 * expr.c: Likewise.
19316 * function.c: Likewise.
19318 * except.c: Include tm_p.h.
19320 * sparc.c: Likewise.
19321 (dwarf2out_cfi_label): Don't prototype.
19322 (check_return_regs, epilogue_renumber,
19323 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
19324 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
19325 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
19326 ultra_schedule_insn): Add static prototype.
19327 (data_segment_operand, text_segment_operand): Call itself with the
19328 proper number of arguments.
19329 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
19331 * sparc.h: Move all declarations to sparc-protos.h.
19332 (SELECT_RTX_SECTION): Pass a missing MODE argument to
19335 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
19337 * config/svr4.h (text_section, ctors_section, dtors_section): Add
19339 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
19340 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
19341 ASM_OUTPUT_ASCII): Constify a char*.
19343 * sparc-protos.h: New file for sparc prototypes.
19345 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19347 * function.c (record_insns, contains): Always declare and define.
19348 (record_insns): Mark with ATTRIBUTE_UNUSED.
19350 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
19352 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
19353 to .section when outputting a .bss section to deal with multiple
19354 .bss input sections (as happens with -fdata-sections)
19355 Also output %progbits, not @progbits so the assembler doesn't treat as
19357 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
19359 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
19360 thumb parts even when building with non-thumb CPUs, by forcing
19363 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
19365 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
19366 (movdf_const_intreg_sp64): Similarly.
19368 * local-alloc.c (update_equiv_regs): Check the correct insn
19369 for pre-existing REG_EQUIV notes.
19371 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
19373 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
19374 block reached by a branch if we're not going to actually process
19377 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
19379 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
19380 a local extern function declaration.
19382 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
19384 * i386.c (ix86_expand_prologue): Properly wrap USE around
19385 reg for CALL_INSN_FUNCTION_USAGE.
19387 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
19389 * config/mips/mips.md (movdf_internal1a): Allow floating-point
19390 move between GP_REGs.
19392 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
19394 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
19395 the mode size when finding out if an offset is legal.
19397 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
19399 * basic-block.h (PROP_*): Move constants from ...
19400 * flow.c: ... here.
19401 (compute_bb_for_insn): Free the array before reallocating.
19402 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
19403 (allocate_reg_life_data): Reset all reg variables collected by
19405 (get_block_head_tail): Don't convert from bb to block.
19406 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
19407 (find_insn_reg_weight): Take block not bb.
19408 (schedule_block): Don't set block num for moved insns.
19409 (schedule_region): Don't update_life_info or find_insn_reg_weight.
19410 (schedule_insns): Do it here instead.
19411 * combine.c (combine_instructions): Invoke compute_bb_for_insn
19412 before update_life_info.
19413 * recog.c (split_all_insns, peephole2_optimize): Update for
19414 new arg to update_life_info.
19415 * rtlanal.c (remove_note): Cope with NULL note.
19416 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
19419 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
19421 * jump.c (jump_optimize_1): More accurately detect casesi insns.
19423 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
19424 block records so that merge_blocks_nomove will clean up correctly.
19425 (split_edge): Handle casesi insns.
19427 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
19429 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
19431 * pa.md (call, call_value): Do not emit a blockage after restoring
19434 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
19436 * c-typeck.c (c_expand_asm_operands): Fix typo.
19438 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19440 * arm.c (fpu_rhs_operand): Verify modes.
19441 (fpu_add_operand): Likewise.
19442 (di_operand): Likewise.
19443 (soft_df_operand): Likewise.
19445 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
19447 * arm.c (arm_return_in_memory): APCS rules state that the elements
19448 of a structure returned in a register must be 'integer-like'.
19450 1999-10-19 Bruce Korb <autogen@linuxbox.com>
19452 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
19453 in the source tree when the generated targets are out of date
19454 * fixinc/genfixes: Alter it to run individual fixes for make.
19455 * fixinc/README: rewrite
19456 * fixinc/inclhack.def: moved initial comments to README
19458 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
19460 * toplev.c (main): Do not generate an error message if an
19461 unrecognised command line switch is recognisable by another
19462 language. If extra_warnings are enabled, then generate a
19463 warning message instead.
19465 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
19467 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
19468 (insert_pack_attributes): Delete prototype.
19470 * c-pragma.c (default_alignment): New static variable.
19471 (push_alignment): Initialize to current effective alignment.
19472 (pop_alignment): Use to set new alignment.
19473 (insert_pack_attributes): Delete function.
19474 (handle_pragma_token): Set default_alignment as well each time
19475 a #pragma pack(<n>) is encountered.
19477 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
19479 * reg-stack.c (stack_result): Aggregates are not returned in
19482 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
19484 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
19486 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
19488 * basic-block.h (set_block_num): Declare.
19489 * flow.c (update_life_info): Don't call compute_bb_for_insn
19490 or free_basic_block_vars.
19491 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
19492 (insn_orig_block): Remove.
19493 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
19494 (schedule_block): Keep BLOCK_NUM up-to-date.
19495 (schedule_insns): Use compute_bb_for_insn.
19496 * recog.c (split_all_insns): Likewise.
19497 (peephole2_optimize): Likewise.
19499 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
19501 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
19502 if the pic register is used.
19504 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19506 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
19507 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
19508 if that tests TREE_PERMANENT.
19510 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
19512 * cse.c (invalidate_for_call): Do not remove memory references from
19513 the table here. It's handled elsewhere.
19515 * haifa-sched.c (add_dependence): Protect references to the
19516 true dependency cache with #ifdef INSN_SCHEDULING.
19517 (remove_dependence): Similarly.
19519 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
19520 to the cfg code that this is a return instruction.
19521 * mn10300.md (return_internal): Similarly.
19523 * combine.c (get_last_value): If the last set of a register
19524 is after subst_low_cuid, then we can not use it to determine
19525 the register's last value.
19527 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
19529 * Makefile.in: Back out previous change.
19531 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
19533 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
19535 * haifa-sched.c (add_dependence): Only check/update the cache
19537 (remove_dependence): Likewise.
19538 (schedule_insns): Only create the true_dependency_cache if the
19539 average number of instructions in a basic block is very large.
19541 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
19543 * Makefile.in (ggc-common.o): Depend on genrtl.h.
19544 (ggc-simple.o): Likewise.
19545 (ggc-page.o): Likewise.
19547 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
19549 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
19550 Prototype for exported functions.
19551 (pre_lcm, pre_rev_lcm): Remove prototypes.
19552 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
19553 (compute_available): Move to lcm.c, and change parameter order.
19554 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
19555 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
19556 (gcse_main): No longer call compute_preds_succs. Rebuild the
19557 set table after reach pre pass.
19558 (pre_insert_map, pre_delete_map, edge_list): New.
19559 (alloc_pre_mem): Allocate edge vectors.
19560 (free_pre_mem): Delete edge vectors.
19561 (compute_pre_data): Call new edge based lcm routines.
19562 (process_insert_insn): New function.
19563 (insert_insn_end_bb): Use it.
19564 (pre_edge_insert): New function.
19565 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
19567 (pre_insert_copies): Revamp using new edge based lcm outputs.
19568 (pre_delete): Likewise.
19569 (one_pre_gcse_pass): Insert & remove fake edges to the exit
19571 (compute_code_hoist_vbeinout): New new edge based routines.
19572 * lcm.c: Remove all the old LCM functions. Replace with new ones
19573 that work with the new cfg datastructures and work with edges
19576 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19578 * reload.h (struct reload): Add new fields "mode" and "nregs".
19579 * reload1.c: Change all occurrences of reload_mode and reload_nregs
19580 to reference the "mode" and "nregs" field within struct reload.
19582 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
19584 * haifa-sched.c (true_dependency_cache): New.
19585 (add_dependence): Use the true dependency cache to avoid expensive
19586 walks down the LOG_LINKS dependency list. Add entries to the
19587 cache as necessary.
19588 (remove_dependence): Remove entries from the true dependency cache
19590 (schedule_insns): Allocate and initialize and free the true
19593 * haifa-sched.c (schedule_insns): Do not remove inter-block
19594 dependencies anymore.
19596 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
19598 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
19599 * i386/t-winnt: Likewise.
19601 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
19603 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
19605 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
19607 * Makefile.in (LANGUAGES): Omit "proto".
19608 (clean): Remove stale comment about removing unprotoize.c.
19610 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19612 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
19613 using arithmetic on void pointers.
19615 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
19617 * haifa-sched.c (compute_block_forward_dependencies): Only check
19618 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
19620 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
19622 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
19623 (expr_equiv_p): Reject memories with different alias sets.
19625 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
19627 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
19628 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
19629 (f_options): Add "bounded-pointers" and "bounds-check" entries.
19630 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
19631 (lang_init): Set default for flag_bounds_check if still "unspecified".
19633 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19635 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
19637 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19639 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
19642 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19644 * config/c4x/c4x.md (*db_noclobber,
19645 *decrement_and_branch_until_zero_noclobber): New patterns and
19646 associated splitters.
19648 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19650 * config/c4x/c4x.md (parallel instruction patterns): Rework
19651 constraints to keep reload happy.
19653 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19655 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
19656 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
19657 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
19658 Add new patterns and associated post-reload splitters.
19660 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19662 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
19664 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19666 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
19668 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
19670 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19672 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
19675 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
19677 * pa.c (move_operand): Rely on memory_address_p to determine the
19678 validity of non-indexed memory addresses.
19679 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
19680 operand in DFmode and SFmode when generating PA2.0 code.
19682 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
19684 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
19686 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
19688 * mips.c (function_prologue): Fix argument types.
19689 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
19690 (casesi_internal): Write to the scratch register.
19692 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
19694 * cppexp.c (cpp_parse_escape): Make static. Change second arg
19696 (parse_charconst): Delete unnecessary cast when calling
19698 (cpplib.h): Kill prototype of cpp_parse_escape.
19700 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
19702 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
19703 * unroll.c (unroll_loop): Cast return value of alloca.
19704 * i370/i370.c: Include function.h and toplev.h.
19705 (i370_label_scan): Remove c++ commented abort.
19706 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
19707 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
19708 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
19709 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
19711 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
19713 * config/t-freebsd: Do not override USER_H.
19714 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
19716 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
19717 Mumit Khan <khan@xraylith.wisc.edu>
19719 * c-parse.in (component_decl): Support anonymous struct/union.
19721 * c-parse.y: Regenerate.
19722 * c-parse.c: Likewise.
19723 * objc/objc-parse.y: Likewise.
19724 * objc/objc-parse.c: Likewise.
19725 * c-decl.c (finish_struct): Don't sort the fields.
19726 (field_decl_cmp): Delete unused function.
19728 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
19730 * sparc.md (movsf_const_intreg): Revert last constraint change.
19731 (movdf_const_intreg_sp32): Likewise.
19733 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
19735 * cse.c: Include hashtab.h instead of splay-tree.h
19736 (struct cse_reg_info): No longer use variant union. Add new
19737 field "regno". All references changed to avoid union.
19738 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
19739 (free_cse_reg_info): Remove.
19740 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
19741 (get_cse_reg_info): Revamp to use expandable hash tables instead
19742 of splay trees. Initialize new fields in cse_reg_info structure.
19743 (new_basic_block): Similarly.
19745 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
19747 * genrecog.c (message_with_line): Prototype.
19748 (validate_pattern): Pass along the set for the dest, not a flag.
19749 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
19750 Check for PC/CC0 as sources.
19751 (nodes_identical): Check for children position match before
19752 allowing the combination.
19754 * rtl.c (read_rtx): Track line number across \\\n.
19756 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
19758 * mips.h (SPECIAL_MODE_PREDICATES): New.
19759 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
19760 (movdi+1, movsi+1): Add output reload constraint.
19761 (casesi_internal): Likewise. Fix commentary.
19762 (return_internal): Use pmode_register_operand.
19764 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
19766 * 1750a.md (movstrqi): Add missing output reload constraint.
19767 (call_value): Likewise.
19768 * a29k.md (cpxxx patterns): Add missing match_operator mode.
19769 (jmpfdec): Add missing inout reload constraint.
19770 * elxsi.md (addsi patterns): Add missing output reload constraint.
19771 (move from sp): Use @ alternates.
19772 (call_value): No constraint on output.
19773 * fr30.md (movsi_pop): Add missing output reload constraint.
19774 (movsf_constant_store): Likewise.
19775 (splits): Remove constraints.
19776 (subsi3): Add missing mode.
19777 * i370.md (cmpstrsi+1): Add missing output reload constraint.
19778 (call_value): Likewise.
19779 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
19780 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
19781 * m32r.md (movsicc_internal): Add output reload constraint.
19782 (movstrsi_internal): Add inout reload constraints.
19783 * m88k.h (reg_names): Don't declare.
19784 (SPECIAL_MODE_PREDICATES): New.
19785 * m88k.md (*): Use register_operand not reg_or_0_operand
19787 * mn10200.h (PREDICATE_CODES): New.
19788 * ns32k.md (ffs pattern): Add output reload constraint.
19789 * pdp11.md (sob pattern): Add inout reload constraint.
19790 * sh.md (splits): Remove constraints.
19791 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
19792 * v850.md (pattern_is_ok_for_epilogue): Likewise.
19793 * vax.md (jgequ pattern): Add inout reload constraint.
19795 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
19797 * configure.in (djgpp): Revert previous patch.
19798 * configure: Rebuit.
19799 * config/i386/djgpp.h: Revert previous patch.
19801 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
19803 * fixinc/inclhack.def: Restore patch lost during last merge of
19804 "no_bogosity" branch.
19805 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
19807 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
19809 * fixincludes: Add a HPUX 11 fix for inttypes.h.
19810 * fixinc/inclhack.def: Same.
19811 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
19813 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
19815 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
19816 as the base of a PLUS.
19818 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19820 * config/c4x/c4x.md: Define mode for remaining unspec operators.
19821 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
19823 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
19825 * pa.md (post_stw+1): Use pmode_register_operand.
19826 (dcacheflush, icacheflush): Likewise.
19828 * i386.md (movstricthi_1): Allow r/r.
19830 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
19832 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
19833 to (not (and (arg0) (arg1))). Similary for and.
19835 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
19836 fallthrough to associate code.
19837 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
19840 * combine.c (simplify_logical): Convert XOR to IOR if operands have
19841 no bits in common; remove XOR to ROTATE conversion.
19843 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19845 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
19847 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19849 * config/c4x/c4x.c (dst_operand): New.
19850 (PREDICATE_CODES): Update.
19851 * config/c4x/c4x.h (dst_operand): Declare it.
19852 * config/c4x/c4x.md: Define mode for each unspec usage.
19853 (move patterns): Use dst_operand predicate instead of src_operand.
19854 (movqi_update, movqf_update): Delete.
19856 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
19858 * recog.c (pmode_register_operand): New.
19859 * recog.h: Declare it.
19860 * genrecog.c (pred_codes): Likewise.
19861 (special_mode_pred_table): Likewise.
19862 (validate_pattern): Don't warn no mode for address_operand.
19864 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
19865 if the operand is not insn-like.
19867 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
19868 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
19870 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
19872 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
19874 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
19875 instead of general_operand in a SET_DEST. Use const_double_operand
19876 instead of an explicit test against CONST_DOUBLE.
19877 (movsf_const_lo): Add missing register mode.
19878 (goto_handler_and_restore): Add auxiliary test for Pmode.
19879 (flush): Adjust to use address_operand.
19880 (return_sf_no_fpu): Add missing output constraint.
19882 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
19884 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
19885 for call return value.
19886 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
19888 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
19890 * toplev.c (main): Only warn about options for other languages.
19891 * collect2.c (main): Pass -w to sub-gcc.
19893 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
19895 * flow.c (propagate_block): Add call-clobbered registers to
19898 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
19899 zapping mem_set_list.
19900 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
19901 (mark_set_1, mark_used_regs): Likewise.
19903 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
19905 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
19907 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
19909 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
19910 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
19911 options. Also add a new item "C-only Warning Options" to the
19914 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
19916 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
19917 from multiple calls.
19919 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
19921 * i386.md (call value patterns): Move to the end of the file.
19922 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
19924 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
19926 * configure.in (djgpp configuration): Define extra_objects..
19927 * configure: Rebuilt.
19928 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
19929 (DTORS_SECTION_ASM_OP): Define.
19930 (INIT_SECTION_ASM_OP): Define.
19931 (FINI_SECTION_ASM_OP): Define.
19932 (DATA_SECTION_ASM_OP): Define.
19933 (TEXT_SECTION_ASM_OP): Define.
19934 (EH_FRAME_SECTION_ASM_OP): Define.
19935 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
19936 (STARTFILE_SPEC): Add crtbegin.o.
19937 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
19938 to here from LINK_COMMAND_SPEC.
19939 (DO_GLOBAL_CTORS_BODY): Define.
19940 (CRTSTUFF_USE_FINI_SECTION): Define
19941 (HAS_INIT_SECTION): Delete.
19943 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
19945 * Makefile.in (all.cross): Depend on xcpp$(exeext).
19947 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
19949 * pa.h (PREDICATE_CODES): New.
19951 * genrecog.c (validate_pattern): Condense the destination
19952 non-lvalue message.
19954 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
19956 * alpha.md (call-1): Supply missing mode for operator.
19957 (*): Add missing output reload constraints. Remove constraints
19958 from define_splits.
19960 * i386.h (SPECIAL_MODE_PREDICATES): New.
19961 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
19962 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
19963 (addsi_lea_3): Add missing mode for op 3.
19964 (prologue_set_got, prologue_get_pc): Add missing modes.
19965 (*) Add missing output reload constraints.
19967 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
19969 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
19970 check for member bit-size overflow and use var_size if it occurs.
19971 (layout_record): Use bitsize_int() to define the type size in bits.
19972 Likewise for computation and assignment to DECL_FIELD_BITPOS.
19973 (layout_decl): Likewise when assigning to DECL_SIZE.
19975 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
19977 * genrecog.c (validate_pattern): Typo last change. Verify
19978 that output operands have output reloads.
19980 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
19982 * genrecog.c (special_mode_pred_table): New.
19983 (NUM_SPECIAL_MODE_PREDS): New.
19984 (find_operand): New.
19985 (validate_pattern): New argument `insn'. Warn for assignment to
19986 any predicate accepting non-lvalues. Conditionaly warn for
19987 match_operand without a mode. Try much harder to match source
19988 and destination modes on a set.
19989 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
19991 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
19993 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
19995 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
19997 * combine.c (simplify_logical): Recognize xor pattern that encodes
20000 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
20002 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
20005 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
20007 * ggc-page.c (MAP_FAILED): Provide default.
20009 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
20011 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
20012 * sparc.h (PREDICATE_CODES): Update.
20014 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
20016 * alpha.c (some_ni_operand): New.
20017 * alpha-protos.h: Declare it.
20018 * alpha.h (PREDICATE_CODES): Update.
20019 * alpha.md (sXaddq reload insns): Use some_ni_operand
20020 for SET_DEST instead of some_operand.
20022 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
20023 Jim Wilson <wilson@cygnus.com>
20025 * genrecog.c (maybe_both_true_2): Don't compare modes of
20027 (process_tree): Elide peephole2_insns. Invoke simplify_tests
20028 after find_afterward.
20029 (debug_decision_1): Dump next and afterward codes.
20031 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
20033 * rtl.c (dump_and_abort): Remove.
20034 (fatal_with_file_and_line): New.
20035 (fatal_expected_char): New.
20036 (read_rtx_lineno, read_rtx_filename): New.
20037 (read_skip_spaces): Track line number.
20038 (read_name): Use fatal_with_file_and_line.
20039 (read_rtx): Use fatal_expected_char. Track line number.
20040 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
20042 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
20043 if it isn't a CODE_LABEL.
20045 * genattr.c (main): Set read_rtx_filename.
20046 * genattrtab.c (main): Likewise.
20047 * gencodes.c (main): Likewise.
20048 * genconfig.c (main): Likewise.
20049 * genemit.c (main): Likewise.
20050 * genextract.c (main): Likewise.
20051 * genflags.c (main): Likewise.
20052 * genopinit.c (main): Likewise.
20053 * genoutput.c (main): Likewise.
20054 * genpeep.c (main): Likewise.
20056 * genrecog.c (decision_test.u.insn): Add `lineno'.
20057 (pattern_lineno, error_count): New variables.
20058 (message_with_line): New.
20059 (add_to_sequence): Break out checking code to ...
20060 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
20061 (merge_insn): Use message_with_line.
20062 (make_insn_sequence): Use validate_pattern. Record insn lineno.
20063 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
20065 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20067 * expr.c (store_constructor): Clear union if constructor is empty.
20069 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
20071 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
20072 Add !endian checks. Change %{...} to %(...).
20074 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
20076 * i386.md (*addsi3_cc): Renamed from addcsi3.
20077 (*addsi3_carry): Renamed from addxsi3.
20078 (*subsi3_cc): Renamed from subcsi3.
20079 (*subsi3_carry): Renamed from subxsi3.
20080 (*xorqi_cc_1): Renamed from xorcqi_1.
20081 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
20082 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
20084 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
20086 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
20087 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
20089 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
20091 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
20092 climb up the chain of insns.
20094 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
20096 * genrecog.c (write_subroutine): Careful for null trees.
20097 (process_tree): Don't elide empty functions.
20099 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
20101 * Makefile.in (genrtl.o): Depend on ggc.h.
20102 * configure.in (valloc): Probe for it.
20103 (with-gc): Use ggc-page if valloc present.
20104 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
20105 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
20106 (ggc_alloc_string): Moved from ggc-page.c.
20107 * ggc-none.c (ggc_alloc_obj): New.
20108 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
20109 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
20110 (struct globals): Likewise for dev_zero_fd.
20111 (init_ggc): Likewise for it's initialization.
20112 (ggc_allocated_p): Move careful dereference from ...
20113 (ggc_lookup_page_table): ... here. Delete.
20114 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
20115 (alloc_anon): Use valloc if no mmap.
20116 (release_pages): Use free if using valloc.
20117 (ggc_alloc_obj): Renamed from alloc_obj.
20118 (ggc_set_mark): Renamed from mark_obj.
20119 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
20120 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
20121 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
20122 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
20123 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
20124 (ggc_collect): Use fp printing instead of our own rounding.
20125 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
20126 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
20127 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
20128 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
20129 (struct ggc_string, struct ggc_any): Delete.
20130 (offsetof): Provide default definition.
20131 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
20133 (struct ggc_mem): New, from corpse of ggc_any.
20134 (struct ggc_status): Delete.
20135 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
20136 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
20137 (n_strings_collected, n_anys_collected): Delete.
20138 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
20139 (ggc_alloc_string, ggc_alloc): Delete.
20140 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
20141 (ggc_free_string, ggc_free_any): Delete.
20142 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
20143 (ggc_compare_addresses, ggc_mark_string): Delete.
20144 (ggc_mark_string_if_gcable, ggc_mark): Delete.
20145 (search_data): Delete.
20146 (struct globals): New.
20147 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
20148 (tree_insert, tree_lookup): New.
20149 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
20150 (clear_marks, sweep_objs): New.
20151 (ggc_collect): Gut. Use clear_marks, sweep_objs.
20152 (init_ggc): Set allocated_last_gc.
20153 (ggc_push_context): Gut. Use G.context.
20154 (ggc_pop_context): Likewise.
20155 (ggc_pop_context_1): New.
20156 (debug_ggc_tree): New.
20157 (debug_ggc_balance, tally_leaves): New.
20158 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
20159 (ggc_mark_string_if_gcable): Remove decl.
20160 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
20161 (ggc_mark_rtvec_children): New.
20162 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
20163 (ggc_mark_if_gcable): New decl.
20164 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
20165 (ggc_alloc_tree, ggc_alloc): Likewise.
20166 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
20167 (ggc_alloc_obj): New decl.
20168 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
20169 (ggc_alloc_tree, ggc_alloc): Likewise.
20170 (ggc_set_mark): New decl.
20171 * rtl.h (struct rtx_def): Remove gc_mark.
20172 (struct rtvec_def): Likewise.
20173 * tree.h (struct tree_common): Likewise.
20175 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
20177 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
20178 float_format and thread_file definitions.
20179 * configure: Rebuilt.
20181 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
20183 * extend.texi (Function Names): Document types of function names.
20185 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20187 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
20188 an earlyclobbered output conflict with RELOAD_INPUT reloads.
20190 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20192 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
20194 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20196 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
20198 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
20200 * collect2.c (main): Do prelimnary link on AIX if rflag.
20202 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
20204 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
20205 __CTOR_LIST__ in opposite order, which is the correct order for sorted
20207 (__do_global_dtors): similarly for __DTOR_LIST__.
20209 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20210 Diego Novillo <dnovillo@cygnus.com>
20212 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
20215 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
20217 * fixincl/*: Merged "no_bogosity" branch
20218 * fixincl/fixlib.h: protect against doubly defining t_bool
20219 * fixincl/server.h: protect against doubly defining t_bool
20221 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
20223 * genoutput.c: Include toplev.h.
20225 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
20227 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
20229 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
20230 * configure: Regenerate.
20232 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
20234 * gcse.c (delete_null_pointer_checks): Returns void.
20236 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20238 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
20239 * emit-rtl.c (copy_insn_1): Likewise.
20241 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
20243 * config/mips/mips.c (mips_build_va_list): Correct
20244 TREE_CHAIN setting when hard-float.
20245 (mips_va_start): Use corrected setting.
20246 (mips_va_arg): Likewise. Also pass a tree to build of
20247 POSTINCREMENT_EXPR rather than a naked 'int'.
20249 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
20251 * ggc.h (ggc_push_context): Fix comment.
20252 (ggc_pop_context): Likewise.
20253 (mark_string_if_gcable): Likewise.
20254 * ggc-common.c (ggc_mark_rtx_children): Use
20255 ggc_mark_string_if_gcable.
20256 * ggc-page.c (ggc_lookup_page_table): New function.
20257 (ggc_allocated_p): Likewise.
20258 (mark_obj): Fix formatting.
20259 (ggc_mark_string_if_gcable): New function.
20260 * ggc-simple.c (ggc_allocated_strings): New variable.
20261 (ggc_strings_used): Likewise.
20262 (ggc_compare_addresses): New function.
20263 (ggc_pop_context): Pop the `any' memory too.
20264 (ggc_mark_string_if_gcable): New function.
20265 (ggc_collect): Initialize and tear down ggc_allocated_strings.
20267 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
20269 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
20270 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
20271 * rs6000.c (expand_block_move): Match movstrsi_?reg register
20274 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
20276 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
20277 (sched_reg_live_length, sched_reg_basic_block): Delete.
20278 (current_block_num, bb_live_regs, old_live_regs): Delete.
20279 (dead_notes, struct sometimes): Delete.
20280 (sched_note_set, birthing_insn_p): Delete.
20281 (adjust_priority): Gut useless reg lifetime code.
20282 (create_reg_dead_note, attach_deaths): Delete.
20283 (attach_deaths_insn, new_sometimes_live): Delete.
20284 (finish_sometimes_live): Delete.
20285 (find_pre_sched_live, find_post_sched_live): Delete.
20286 (update_reg_usage): Delete.
20287 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
20288 (schedule_insns): Delete reg lifetime code.
20289 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
20290 (unlink_other_notes): Adjust REG_NOTE commentary.
20291 (reemit_notes): Use REG_SAVE_NOTE.
20292 (schedule_block): Likewise.
20293 (schedule_region): Allocate bitmap of blocks in region. Use
20294 count_or_remove_death_notes. Use update_life_info.
20296 * rtl.h (REG_SAVE_NOTE): New.
20297 * rtl.c (reg_note_name): Update.
20299 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
20301 * combine.c (refresh_blocks, need_refresh): New.
20302 (combine_instructions): Allocate refresh_blocks. Invoke
20303 update_life_info if needed.
20304 (distribute_notes): Mark refresh_blocks instead of installing
20306 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
20307 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
20309 * Makefile.in (recog.o): Depend on basic-block.h.
20311 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
20313 * genrecog.c (add_to_sequence): Thinko last change: delete
20314 shadowing allow_const_int variable.
20316 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20318 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
20319 __GNUC__ and __GNUC_MINOR__.
20321 * gansidecl.h: Likewise.
20327 * toplev.h: Likewise.
20329 * tree.c: Likewise.
20331 * tree.h: Likewise.
20333 * varray.c: Likewise.
20335 * varray.h: Likewise.
20337 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20339 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
20340 use one before a jump table.
20342 * rtl.def (ADDRESS): Change documentation to match reality.
20343 * md.texi: Don't document it.
20344 * gmicro.md (load address pattern): Use 'p' constraint, delete use
20347 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
20349 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
20351 * genrecog.c (add_to_sequence): Move allow_const_int test outside
20352 known predicate block; default allow_const_int true.
20353 (debug_decision_list): New.
20355 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
20357 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
20359 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
20361 * gcse.c (gcse_main): Avoid global optimizations if we have a
20362 large number of basic blocks and the ratio of edges to blocks
20364 (delete_null_pointer_checks): Likewise.
20366 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
20368 * c-common.c (check_format_info): Warn if format string isn't a
20371 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
20373 * configure.in (arm*-*-*): Don't let autoconf remove brackets
20374 * configure: regenerate
20376 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
20378 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
20379 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
20380 (peepholes): Re-enable.
20382 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
20384 * Makefile.in (flow.o): Depend on TREE_H.
20385 * basic-block.h (REG_SET_EQUAL_P): New.
20386 (XOR_REG_SET): New.
20387 (n_edges): Declare.
20388 (free_regset_vector): Remove declaration.
20389 (flow_delete_insn_chain): Declare.
20390 (enum update_life_extent): New.
20391 (update_life_info, count_or_remove_death_notes): Declare.
20392 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
20393 Verify register live at bb->global_live_at_start before adding USE.
20394 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
20395 (CLEAN_ALLOCA): New.
20397 (PROP_*): New flags.
20398 (find_basic_blocks_1): Use alloc_EXPR_LIST.
20399 (clear_edges): Zero n_edges.
20400 (make_edge): Increment n_edges.
20401 (split_edge): Don't allocate bb->local_set. Increment n_edges.
20402 (flow_delete_insn_chain): Export.
20403 (delete_block): Decrement n_edges.
20404 (merge_blocks_nomove): Likewise.
20405 (life_analysis): Give life_analysis_1 PROP flags.
20406 (verify_wide_reg_1, verify_wide_reg): New.
20407 (verify_local_live_at_start): New.
20408 (update_life_info): Rewrite to call into propogate_block.
20410 (mark_regs_live_at_end): After reload, if epilogue as rtl,
20411 always mark stack pointer. Conditionally mark PIC register.
20412 After reload, mark call-saved registers, return regsiters.
20413 (life_analysis_1): Accept PROP flags not remove_dead_code.
20414 Call mark_regs_live_at_end before zeroing regs_ever_live.
20415 Use calculate_global_regs_live. Copy global_live_at_end before
20416 calling final propagate_block. Zero reg_next_use on exit.
20417 (calculate_global_regs_live): New.
20418 (allocate_bb_life_data): Don't allocate bb->local_set.
20419 (init_regset_vector, free_regset_vector): Remove.
20420 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
20421 Test flags before every operation. Warn if prologue/epilogue insn
20422 would have been deleted.
20423 (mark_set_regs, mark_set_1): Accept and use FLAGS.
20424 Use alloc_EXPR_LIST.
20425 (mark_used_regs): Accept and use FLAGS, not FINAL.
20426 Remove special handling for RETURN.
20427 (try_pre_increment): Use alloc_EXPR_LIST.
20428 (dump_flow_info): Dump n_edges.
20429 (unlink_insn_chain, split_hard_reg_notes): Remove.
20430 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
20431 (find_insn_with_note, new_insn_dead_notes): Remove.
20432 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
20433 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
20434 (replace_insns): Remove.
20435 (count_or_remove_death_notes): New.
20436 (verify_flow_info): Abort on error after all checks.
20437 (remove_edge): Decrement n_edges.
20438 (remove_fake_edges): Tweak format.
20439 * haifa-sched.c (schedule_insns): Use split_all_insns.
20440 * output.h (update_life_info): Remove declaration.
20441 * recog.c (split_all_insns): From the corpse of split_block_insns,
20442 do the whole function block by block. Use update_life_info.
20443 (recog_last_allowed_insn): New.
20444 (recog_next_insn): Mind it.
20445 (peephole2_optimize): Set it. Walk backwards through blocks.
20446 Use update_life_info.
20447 * rtl.h (update_flow_info, replace_insns): Remove declarations.
20448 (split_all_insns): Declare.
20449 * toplev.c (rest_of_compilation): Thread prologue before flow2.
20450 Use split_all_insns.
20452 * i386.md (or -1 peep2s): Disable.
20454 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
20456 * config/mips/mips.md (movstrsi+[123]) : Combine these into
20457 a single pattern. Scrap the 'd' versions as unnecessary.
20459 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
20460 tablejump_mips162,tablejump_internal4): The operands to a
20461 label_ref must be VOIDmode.
20463 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20465 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
20467 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
20469 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
20471 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
20473 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
20474 cache every function if ggc_p.
20476 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20478 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
20479 instead of copy_rtx. Accept sequences that contain asm statements.
20480 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
20481 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
20482 orig_asm_operands_vector, copy_asm_operands_vector,
20483 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
20485 * rtl.h (copy_insn, copy_insn_1): Declare.
20487 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20489 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
20491 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
20492 arguments to `current_file_function_operand'.
20494 * genrecog.c: Include hard-reg-set.h and resource.h in the
20495 generated output file.
20497 * real.c: Include tm_p.h.
20499 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20501 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
20504 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
20506 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
20507 before the fctiwz insn.
20509 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
20510 Mark Mitchell <mark@codesourcery.com>
20512 * tree.c (make_lang_type_fn): New funtion pointer.
20513 (make_lang_type): Call it.
20514 * tree.h (make_lang_type): Declare.
20515 (make_lang_type_fn): Likewise.
20516 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
20518 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
20520 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
20521 make sure that HIGH instructions are copied into BASE_REGS.
20523 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
20525 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
20527 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
20529 * c-decl.c (finish_struct): Use simpler method of
20530 removing elements of a singly-linked list.
20532 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
20534 * alpha.md (peephole2's): Comment out peephole2's that generate
20537 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
20539 * genrecog.c (add_to_sequence): Disable mode check for
20542 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20544 * ggc-simple.c (init_ggc): Set empty_string.
20546 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
20548 * configure.in: Detect mmap. Add --with-gc=foo to select
20549 garbage collector; default to page if mmap available.
20550 * Makefile.in (GGC): Substitute.
20552 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
20554 * c-decl.c (ggc_p): Enable.
20556 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20558 * flow.c (verify_flow_info): Make it extern & unconditionally define.
20560 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
20562 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
20563 string for little-endian-data.
20565 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
20567 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
20568 case somebody tries to compile --enable-checking code with gcc
20571 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
20573 * genrecog.c (add_to_sequence): Verify operand to label_ref is
20576 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
20578 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
20579 * jump.c (jump_optimize_1): Document why.
20581 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20583 * collect2.c (scan_prog_file, scan_libraries): Prototype function
20584 pointers and casts for `int_handler' and `quit_handler'.
20586 * flow.c (verify_flow_info, split_hard_reg_notes,
20587 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
20588 remove_edge, remove_fake_successors): Add static prototypes.
20589 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
20590 (mark_set_1): Initialize variable `regno'.
20591 (unlink_insn_chain): Likewise for variable `curr'.
20592 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
20594 * loop.c (strength_reduce): Initialize variable
20595 `unrolled_insn_copies'.
20596 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
20597 prototypes. Change these functions to take const PTR parameters
20598 to avoid prototype conflict when used as the comparson argument
20600 (check_dbra_loop): Initialize variable `comparison_val'.
20602 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
20603 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
20604 (find_valid_class): Initialize variable `best_class'.
20605 (find_reloads): Call memcpy, not bcopy.
20607 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
20608 (hard_reg_use_compare): Don't needlessly cast away const.
20609 (reload_reg_class_lower): Likewise.
20610 (choose_reload_regs): Initialize variable `regno'.
20612 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
20614 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
20616 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
20618 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
20619 ({,d}discard): Add forward declarations. Declare parameter as
20621 (main_without_main): Explicitly declare return type to be int.
20622 (memcpy): Properly declare.
20624 * libgcc2.c (toplevel): If inhibit_libc is defined and not
20625 building the trampoline support, declare malloc, free, and
20627 (__clear_cache): Mark arguments as potentially unused.
20629 * frame.c (toplevel): If inhibit_libc is defined, declare
20632 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
20634 * flow.c (make_edge): Accept an optional 2D bitmap in which
20635 to cache edge existence. Update all callers.
20636 (make_label_edge, make_eh_edge): Pass through the edge cache.
20637 (make_edges): Provide the cache.
20639 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20641 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
20643 (local_mbtowc): Change the type of variable `i' from int to size_t.
20645 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
20646 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
20648 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
20650 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
20651 after other includes that define the appropriate types. Include
20652 tm_p.h for getting user prototypes.
20653 * ggc-callbacks.c (toplevel): Ditto.
20654 * ggc-none.c (toplevel): Ditto.
20655 * gcc-page.c (toplevel): Ditto.
20656 * ggc-simple.c (toplevel): Ditto.
20658 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
20659 Jonathan Larmour <jlarmour@cygnus.co.uk>
20661 * config/mips/mips.c (mips_move_2words): Split doubles if
20662 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
20664 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
20666 * genrecog.c (struct decision_test): New.
20667 (struct decision): Remove test-related members, sort the rest by size.
20668 (IS_SPLIT): Simplify.
20669 (new_decision, new_decision_test): New.
20670 (add_to_sequence): Use them. No special handling for args of
20672 (maybe_both_true): Renamed from not_both_true; return sense changed.
20673 (maybe_both_true_1, maybe_both_true_2): New. Broken out
20674 of maybe_both_true and adjusted for decision_test.
20675 (position_merit): Remove.
20676 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
20677 (merge_accept_insn): New, broken out of merge_trees.
20678 (merge_trees): Use them. No special case for c_test; no node
20679 splitting; use test type instead of position_merit.
20680 (factor_tests): New.
20681 (simplify_tests): New.
20682 (break_out_subroutines): Don't write code now.
20683 (find_afterward): New.
20684 (write_afterward, write_switch, write_cond): New.
20685 (write_action, is_unconditional): New.
20686 (write_node): New. Use them.
20687 (write_tree_1): Rewrite. Use the new functions above.
20688 (write_tree): Remove afterward processing.
20689 (write_subroutine): Simplify function variant emission.
20690 (write_subroutines): New.
20691 (same_codes, clear_codes): Remove.
20692 (same_modes, clear_modes): Remove.
20693 (write_header): New, broken out of main.
20694 (make_insn_sequence): Use new_decision and new_decision_test.
20695 (process_tree): New, broken out of main.
20696 (main): Adjust for merge_trees interface change.
20697 Don't #define operands in the output file.
20698 (record_insn_name): New, broken out of make_insn_sequence.
20699 (debug_decision_2, debug_decision_1, debug_decision_0): New.
20700 (debug_decision): New.
20702 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
20704 * resource.c (find_free_register): Mark class_str argument const.
20705 * resource.h: Update prototype to match.
20707 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
20708 * i386.md: Give all anonymous insns names.
20710 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
20712 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
20715 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
20717 * toplev.c (dbr_sched_time): Unconditional.
20718 (peephole2_time): New.
20719 (compile_file): Add pass numbers to all of the dump file suffixes.
20720 Dump peephole2_time. Don't dump times for non-applicable passes.
20721 (rest_of_compilation): Add pass numbers to dump file suffixes.
20722 Conditionalize calls to the scheduler.
20723 * invoke.texi: Update.
20725 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
20727 * flow.c (make_edges): Fix insn iteration.
20728 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
20729 (find_basic_blocks_1): Fix spelling mistake.
20731 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
20733 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
20734 always have side-effects. Use memset not bzero.
20735 (make_node): Likewise.
20737 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
20739 * stmt.c (expand_anon_union_decl): When any of the elements of the
20740 union is addressable, so is the entire union.
20742 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
20744 * sbitmap.c (sbitmap_ones): Don't set too many bits.
20746 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
20747 * bitmap.c (bitmap_operation): Return true iff TO changed.
20748 (bitmap_equal_p): New.
20749 (bitmap_bit_p): Tidy arithmetic.
20750 (debug_bitmap_file): Likewise.
20752 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
20754 * toplev.c (rest_of_compilation): Turn on cse_not_expected
20755 before cse2 instead of after.
20757 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
20759 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
20762 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
20764 * cppinit.c (is_idchar initializer): Loosen tests to accept
20767 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
20769 * mips.md: Define conditional move patterns for floating point
20770 operands and DI mode conditions.
20772 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
20774 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
20775 always have side-effects.
20777 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
20779 * mn10200.c (asm_file_start): Fix typo.
20781 * cppinit.c (is_idchar initializer): Tighten tests for when
20782 to put the table into initialized memory.
20784 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
20785 not an array of rtunion.
20786 * gcc-page.c (ggc_alloc_rtvec): Similarly.
20787 * gcc-simple (ggc_free_rtvec): Similarly.
20789 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
20792 * mbchar.h: Add missing #endif.
20794 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
20795 (FPBIT, DPBIT): Define.
20797 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20799 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
20801 * profile.c (instrument_arcs, output_gcov_string,
20802 tablejump_entry_p): Add static prototypes.
20803 (output_gcov_string): Constify a char*.
20805 * regmove.c (replacement_quality, fixup_match_2): Add static
20808 * resource.h (reg_dead_p): Add extern prototype.
20810 * rtl.c (trim_filename): Add static prototype.
20812 * scan-decls.c (skip_to_closing_brace): Likewise.
20814 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
20815 (expand_end_case): Initialize variable `range'.
20816 (emit_case_nodes): Remove unused prototype `rtx_fn'.
20818 * varasm.c (asm_emit_uninitialised): Add static prototype.
20819 (asm_emit_uninitialised, assemble_variable): Mark parameter with
20822 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20824 * cpplib.c (if_directive_nameo): Add static prototype.
20826 * cse.c (cse_insn): Remove unused variable `p'.
20828 * except.c (create_rethrow_ref, push_entry,
20829 receive_exception_label, new_eh_region_entry, find_func_region,
20830 clear_function_eh_region, process_nestinfo): Add static prototypes.
20831 (get_reg_for_handler): Hide definition.
20832 (process_nestinfo): Initialize variable `extra_handlers'.
20834 * expr.h (expand_builtin_longjmp): Add extern prototype.
20836 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
20838 * function.c (prepare_function_start): Likewise.
20839 (pop_function_context_from): Mark parameter `context' with
20841 (push_temp_slots_for_block, flush_addressof): Hide definition.
20843 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
20844 solve_program_flow_graph, calculate_branch_probs,
20845 function_summary, main, fancy_abort): Add prototypes.
20847 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
20848 (add_hash): Constify a char*.
20850 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
20851 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
20852 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
20854 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
20856 * lists.c (free_list, zap_lists): Likewise.
20858 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20860 * alias.c (nonlocal_reference_p): Add static prototype.
20862 * bitmap.c (bitmap_element_allocate): Prototype args in function
20865 * builtins.c (stabilize_va_list): Add static prototype.
20866 (expand_builtin_va_arg): Constify a char*.
20868 * c-lex.c (getch, put_back, extend_token_buffer_to,
20869 read_line_number, token_getch, token_put_back): Add static
20872 * c-parse.gperf (hash, is_reserved_word): Likewise.
20874 * cccp.c (is_dir_separator): Likewise.
20876 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20878 * graph.h: New file to prototype functions exported by graph.c.
20880 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
20882 * graph.c: Include graph.h.
20884 * toplev.c: Likewise. Remove redundant prototypes.
20886 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
20888 * invoke.texi: Removed duplicated description for -Q.
20890 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
20892 * extend.texi: Grammar fix in __extension__ text.
20894 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
20896 * md.texi (define_peephole2): New section.
20898 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
20900 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
20901 (mov $-1 to or peepholer): Enable for pentium when optimizing for
20904 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
20906 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
20908 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
20910 * i386.md (ffs expander): Emit Pentium friendly code for
20913 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
20915 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
20917 (build1): Likewise.
20919 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20921 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
20923 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
20925 * config/m68k/m68k.c (use_return_insn): Return false if the pic
20926 register is in use.
20928 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20930 * md.texi (No Constraints): Delete section.
20931 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
20932 * final.c (final_scan_insn): We always have register constraints.
20933 * genattrtab.c: Don't include "insn-config.h".
20934 (write_attr_case): We always have register constraints.
20935 * genconfig.c (register_constraint_flag): Delete.
20936 (walk_insn_part): Don't check whether we have register constraints.
20937 (main): Don't write out "#define REGISTER_CONSTRAINTS".
20938 * genoutput.c (have_constraints): Delete.
20939 (main): Don't set it.
20940 (output_operand_data): We always have constraints.
20941 (scan_operands): Likewise.
20942 (compare_operands): Likewise.
20943 * local-alloc.c (block_alloc): We always have constraints.
20944 (requires_inout): Always compile this function.
20945 * recog.c (extract_insn): We always have constraints.
20946 (constrain_operands, reg_fits_class_p): Always compile these
20948 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
20950 (struct insn_operand_data): Likewise.
20951 * regclass.c (regclass): We always have constraints.
20952 (record_reg_classes, copy_cost, record_address_regs,
20953 auto_inc_dec_reg_p): Always compile these functions.
20954 * regmove.c (regmove_optimize): We always have constraints.
20955 * reload.c (find_reloads): Likewise.
20956 * reload1.c (reload): Likewise.
20957 (reload_cse_simplify_operands): Likewise.
20958 * i860.c (output_delay_insn): Likewise.
20960 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
20962 * iris6.h (BUILD_VA_LIST_TYPE): Define.
20964 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
20966 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
20967 for the va_list record.
20969 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
20971 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
20974 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
20976 * alias.c: Include insn-flags.h.
20977 * Makefile.in (alias.o): Update.
20979 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
20981 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
20982 to LTU and GEU. Handle more cases using sbb.
20984 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
20986 * i386.md (truncatexfdf splitters): Do not use subreg.
20987 (fop XFmode patterns): Fix mode in operand testing.
20989 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
20991 * jump.c (jump_optimize_1): Amend last change to test only the
20992 form of the operand, not the insn.
20994 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
20995 not register_operand to determine when B may need preloading.
20997 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
20999 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
21000 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
21001 (call-value patterns): Move to end of file.
21002 (*): Remove mode from label_ref in (pc) context.
21003 (movstrqi): Use memory not general_operand for BLKmode operands.
21004 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
21005 to register_operand operands.
21006 (peep2 patterns): Convert from commented-out peephole patterns.
21008 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21010 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
21011 to BUILT_IN_INIT_DWARF_REG_SIZES.
21012 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
21013 Renamed from BUILT_IN_DWARF_REG_SIZE; call
21014 expand_builtin_init_dwarf_reg_sizes.
21015 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
21016 with __builtin_init_dwarf_reg_size_table.
21017 * dwarf2out.c (struct reg_size_range): Delete.
21018 (expand_builtin_init_dwarf_reg_sizes): New function.
21019 (expand_builtin_dwarf_reg_size): Delete.
21020 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
21021 (expand_builtin_dwarf_reg_size): Don't declare.
21022 * libgcc2.c (dwarf_reg_size_table_initialized): New.
21023 (dwarf_reg_size_table): New.
21024 (init_reg_size_table): New function.
21025 (copy_reg): Use dwarf_reg_size_table.
21026 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
21029 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
21031 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
21032 Correctly build argument list to constructor and destructor functions.
21034 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
21036 * c-tree.h (warn_float_equal): Declare.
21037 * c-decl.c (warn_float_equal): Define.
21038 (c_decode_option): Recognize -W[no-]float-equal.
21039 * c-typeck.c (build_binary_op): Conditionally warn
21040 about equality tests of floating point types.
21041 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
21042 * invoke.texi: Add docs for -Wfloat-equal warning.
21044 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
21046 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
21047 generating RTL directly.
21048 * mips.h (INIT_TARGET_OPTABS): Likewise.
21049 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
21051 * expr.h (init_mov_optab): Delete declaration
21053 * h8300.c (WORD_REG_USED): Update to avoid useless register
21054 saves in interrupt functions and functions which never return.
21056 * cse.c (struct set): Delete inner_dest_loc field.
21057 (cse_insn): Remove assignments to inner_dest_loc field.
21059 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
21061 * ggc-page.c: Don't include <unistd.h> etc taken care of
21062 by "system.h". Include <sys/mman.h> afterward.
21064 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
21066 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
21069 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
21071 * xcoffout.c (xcoffout_declare_function): Add documentation.
21072 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
21073 TARGET_64BIT. Compare constant to -1, not bit pattern.
21074 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
21075 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
21078 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
21080 * dwarf2out.c (add_abstract_origin_attribute): Abort if
21081 origin_die is NULL.
21082 (gen_inlined_enumeration_type_die): Do not abort if the type has
21083 not been writeen out.
21084 (gen_inlined_structure_type_die): Do not abort if the type has
21085 not been writeen out.
21086 (gen_inlined_union_type_die): Do not abort if the type has
21087 not been writeen out.
21088 (gen_tagged_type_instantiation_die): Do not abort if the type
21089 has not been written out.
21091 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21093 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
21095 * reg-stack.c (straighten_stack): Copy hard reg set with
21098 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
21100 * builtins.c (stabilize_va_list): Stabilize array type va_list
21101 to a pointer type, not the base record type.
21102 (expand_builtin_va_copy): Dereference the pointers explicitly;
21103 use the correct size for the copy.
21105 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
21106 (rs6000_va_arg): Likewise.
21108 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
21110 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
21112 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
21114 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
21116 (DECL_BUILT_IN_CLASS): Adjust accordingly.
21118 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
21120 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
21121 (init_ggc): Use it instead of a constant.
21122 (ggc_collect): Bound allocated_last_gc by it.
21124 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
21126 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
21129 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
21131 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
21132 (mips*-*-openbsd*): Let big endian configuration be a fragment.
21133 * configure: Regen.
21134 * config/mips/openbsd.h: New, OpenBSD little endian target.
21135 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
21136 * config/mips/xm-openbsd.h: New, OpenBSD host.
21138 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
21140 * config/m68k/m68k.c (output_function_prologue,
21141 output_function_epilogue): Use
21142 current_function_uses_pic_offset_table instead of regs_ever_live
21143 to decide whether to save/restore pic register.
21144 (legitimize_pic_address): Don't modify regs_ever_live any more.
21146 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
21148 * function.h (struct function): Add x_dont_save_pending_sizes_p.
21149 * stor-layout.c (variable_size): Don't add sizes to the pending
21150 sizes list if x_dont_save_pending_sizes_p is set.
21152 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
21154 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
21155 for symbolic_operand().
21156 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
21158 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21160 * combine.c (gen_rtx_combine): Add missing call to va_end().
21162 * final.c (asm_fprintf): Likewise.
21164 * genattrtab.c (attr_rtx): Likewise.
21166 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
21168 * cse.c: Update comments.
21169 (cse_insn): When converting a conditional/computed jump into
21170 an unconditional jump, always make sure a BARRIER immediately
21171 follows the converted jump. Do not delete unreachable code.
21172 (cse_basic_block): Do not delete unreachable code.
21173 * toplev.c (rest_of_compilation): Move call to
21174 delete_trivially_dead_insns after the conditional call to
21177 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21179 * collect2.c (make_temp_file): Don't prototype.
21181 * gcc.c (make_temp_file): Likewise.
21183 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
21185 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
21187 * varasm.c (asm_emit_uninitialised): New function: Generate
21188 the assembler statements necessary to declare an uninitialised
21190 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
21192 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
21193 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
21195 (assemble_variable): Use asm_emit_uninitialised to emit an
21196 uninitialised variable.
21198 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
21200 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
21201 constant on a 64 bit host. Patch supplied by Geoffrey Keating
21202 <geoffk@cygnus.com>.
21204 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21206 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
21207 * c-common.h (builtin_function): Don't declare.
21209 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
21211 (pushdecl): Likewise.
21212 (finish_decl): Likewise.
21213 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
21214 int. All callers changed.
21215 Set the builtin's DECL_BUILT_IN_CLASS.
21216 * tree.h (enum built_in_class): New.
21217 (enum built_in_function): Delete NOT_BUILT_IN.
21218 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
21220 (DECL_SET_FUNCTION_CODE): Likewise.
21221 (DECL_BUILT_IN_CLASS): New macro.
21222 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
21223 (struct tree_decl): Split builtin function code field into a
21225 (builtin_function): Declare.
21227 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
21229 * optabs.c (init_traps): Fix typo in last change.
21231 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
21233 * toplev.c (rest_of_decl_compilation): Update comment.
21235 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
21237 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
21238 in .sbss if appropriate.
21239 (EXTRA_SECTION_FUNCTIONS): Add sbss.
21240 (SBSS_SECTION_ASM_OP): New macro.
21241 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
21242 (EXTRA_SECTIONS): Add in_sbss.
21243 * config/mips/mips.h: Prototype sbss_section.
21245 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
21247 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
21250 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
21252 * optabs.c (init_traps): Register trap_rtx as a GC root.
21254 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
21256 * config/mips/mips.c (function_arg_pass_by_reference): Define
21257 unconditionally, since it's called unconditionally.
21259 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
21261 * toplev.c (documented_lang_options): Add -fshort-wchar.
21262 * c-decl.c (c_decode_option): Likewise.
21263 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
21265 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
21266 * gcc.c (default_compilers): If -fshort-wchar,
21267 override __WCHAR_TYPE__.
21268 * tm.texi (C Dialect Options): Add -fshort-wchar.
21270 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
21271 symbol for a variable.
21273 * cpplib.h (CPP_PREPROCESSED): New macro.
21274 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
21275 we're seeing this input for a second time.
21277 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
21279 * emit-rtl.c (init_emit_once): Initialize modes first.
21281 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
21283 * config/i386/i386.c (pic_label_name): Change to char pointer.
21284 (global_offset_table): New variable.
21285 (load_pic_register): Fill global_offset_table if it hasn't
21286 already been done. Allocate pic_label_name dynamically.
21287 * ggc.h (empty_string): New variable.
21288 * ggc-simple.c (empty_string): Likewise.
21289 (init_ggc): Allocate empty_string and add as root.
21290 * stmt.c (digit_strings): New variable.
21291 (init_stmt): Add last_block_end_note as root. Allocate and
21292 initialize digit_strings.
21293 (expand_asm_operands): Use empty_string instead of string
21294 constant. Use digit_strings instead of string constants.
21295 * profile.c (init_arc_profiler): Allocate string with
21296 ggc_alloc_string instead of xmalloc.
21297 (output_func_start_profiler): Likewise.
21298 * c-typeck.c (digest_init): Check if init is error_mark_node.
21300 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
21301 Richard Henderson <rth@cygnus.com>
21303 * ggc-page.c: New file.
21304 * Makefile.in (ggc-page.o): New.
21306 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
21308 * invoke.texi: Document -fdelete-null-pointer-checks
21309 * toplev.c (flag_delete_null_pointer_checks): New.
21310 (f_options): Add entry for -fdelete-null-pointer-checks.
21311 (rest_of_compilation): Conditionalize null pointer check
21312 elimination on flag_delete_null_pointer_checks.
21313 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
21315 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
21317 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
21318 copyright notice and special exception to GPL.
21320 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21322 * abi64.h (mips_function_value): Add prototype arguments.
21324 * mips-protos.h: New file with mips prototypes.
21326 * mips.c: Include "tm_p.h".
21327 (mktemp, lookup_name): Add prototype arguments.
21328 (extern_list, string_constant, mips_fill_delay_slot,
21329 mips_output_external, mips_output_external_libcall,
21330 mips_output_filename, mips_declare_object, function_prologue,
21331 mips_expand_prologue, function_epilogue, mips16_constant,
21332 build_mips16_function_stub, mips_output_conditional_branch):
21334 (mips_va_start): Remove unused variable `u'.
21335 (mips_va_arg): Cast value to unsigned when comparing against one.
21337 (save_restore_insns, mips_expand_prologue): Add missing arg in
21338 call to `large_int'.
21340 * mips.h: Move prototypes to mips-protos.h.
21341 (data_section, memory_address_p, rdata_section,
21342 readonly_data_section, simple_epilogue_p, text_section): Delete
21343 prototypes delcared elsewhere.
21344 (mips_epilogue_delay_slots, print_options): Delete unused decls.
21346 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
21348 * mips.md: Delete extra args in call to `mips_move_2words'.
21350 * xm-iris6.h (alloca): Add prototype argument.
21352 * genpeep.c: Include "tm_p.h" in generated output file.
21354 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21356 * basic-block.h (find_edge_index): Change parameters.
21357 * flow.c (verify_edge_list): Pass basic_block parameters to
21358 find_edge_index instead of integers.
21360 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
21362 * combine.c (simplify_comparison): Use an unsigned shift to adjust
21365 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
21367 * gcc.1: Fix a formatting error.
21369 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
21371 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
21372 i786, mn10200, mn10300, pdp11, v850.
21374 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
21376 * libgcc2.c (num_digits): Add prototype with
21377 __attribute__((const)).
21378 (__terminate): Add prototype.
21380 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
21382 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
21384 * alpha/alpha.c (print_operand): Fix type of `code'.
21385 (alpha_output_filename): Constify.
21386 * alpha/alpha.h: Move all function declarations ...
21387 * alpha/alpha-protos.h: ... here. New file.
21388 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
21389 (SECTION_FUNCTION_TEMPLATE): Likewise.
21391 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21393 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
21394 * expr.c (expand_expr): Likewise.
21395 (do_jump): Likewise.
21396 (do_store_flag): Pass ccp_store_flag to can_compare_p.
21397 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
21399 (enum can_compare_purpose): New.
21400 (can_compare_p): Adjust prototype.
21401 (prepare_cmp_insn, prepare_operand): Declare.
21402 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
21403 * optabs.c (cmp_available_p): Deleted.
21404 (expand_abs): Pass ccp_jump to can_compare_p.
21405 (can_compare_p): New arg PURPOSE. Check for combined optabs.
21406 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
21407 Call can_compare_p rather than cmp_available_p.
21408 (prepare_operand): No longer static.
21409 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
21410 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
21411 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
21412 sequence to use emit_cmp_and_jump_insns.
21413 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
21415 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
21417 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
21418 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
21419 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
21420 (plus (reg) (const_int 0))
21421 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
21423 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
21425 * rs6000.c (expand_block_move): DImode loads and stores require
21426 word-aligned displacements. Increment address registers with
21427 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
21429 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
21431 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
21432 is no name for the base type, rather than segfault. If we are
21433 writing out a complex integer type, use DW_ATE_lo_user.
21435 * expr.c (emit_move_insn_1): If we are copying a complex that fits
21436 in one word or less (complex char, complex short, or on 64 bit
21437 systems complex float) to/from a hard register, copy it through
21438 memory instead of dying in gen_{real,imag}part. If we have a
21439 short complex type, prevent inlining since it allocates stack
21442 * tree.c (build_complex_type): If we are writing dwarf2 output,
21443 generate a name for complex integer types.
21445 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21447 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
21448 * flow.c (remove_edge): Remove extra whitespace.
21449 (remove_fake_edges): Fix comment.
21450 (add_noreturn_fake_exit_edges): Use the correct name.
21452 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
21454 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
21455 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
21456 (clean): Depend on INTL_CLEAN.
21457 (maintainer-clean): Adjust.
21459 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21461 * configure.in (AC_PREREQ): Bump to 2.13.
21462 (AC_C_STRINGIZE): Call this instead of using a custom macro.
21464 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
21466 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
21468 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
21470 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
21471 (HAVE_STRINGIZE): Define.
21473 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
21475 * c-parse.in: save and restore warn_pointer_arith on __extension__
21476 along with pedantic.
21477 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
21478 Set the type of extension to itype rather than $<itype>1 kludge.
21479 * extend.texi (Alternate Keywords): Adjust documentation.
21480 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
21482 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
21484 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
21485 most assembler templates.
21487 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
21488 FP loads and stores.
21489 (following_call): Always return zero for the PA8000.
21490 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
21491 FP loads and stores.
21492 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
21494 * pa.h (BRANCH_COST): Define.
21496 * pa.md (return, return_internal): Use bve for PA2.0.
21498 * pa.md (fused multiply): Add variants which reduce height for the
21499 fused multiply, but which still generate 2 insns.
21500 (fnegabs): Similarly.
21502 * pa.md (subsi3): Turn into an expander. Create two anonymous
21503 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
21504 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
21506 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
21508 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
21510 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
21511 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
21513 * regclass.c (init_regs): Add "top_of_stack" as a garbage
21516 * flow.c (record_active_eh_regions): Terminate loop after finding
21517 the last insn in the last basic block.
21519 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21521 * config/c4x/c4x.md: Delete parallel instruction peepholes.
21523 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21525 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
21527 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21529 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
21530 splitting to not use output template.
21532 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21534 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
21535 * config/c4x/c4x.c (c4x_va_start): New function.
21537 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
21539 * genrecog.c (not_both_true): Handle correctly cases when called for
21540 tests with different positions in the insn.
21542 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21544 * machmode.h (HOST_PTR_PRINTF): Move from here ...
21546 * system.h (HOST_PTR_PRINTF): ... to here.
21548 * mips-tfile.c: Don't include machmode.h.
21550 * Makefile.in (MACHMODE_H): New variable. Update to use it.
21551 (mips-tfile.o): Don't depend on machmode.h.
21553 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21555 * haifa-sched.c (sched_analyze): Rename local variable `region' to
21556 avoid conflicts with typedef struct `region' at the top level scope.
21558 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
21560 * basic-block.h (basic_block): Add eh_beg, eh_end.
21561 * flow.c (entry_exit_blocks): Update.
21562 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
21563 Call new functions.
21564 (find_basic_blocks_1): Don't record eh_list at each bb. Use
21565 lists.c functions to allocate insn lists.
21566 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
21568 (make_eh_edge): ... here. New.
21569 (move_stray_eh_region_notes): New.
21570 (record_active_eh_regions): New.
21571 (delete_unreachable_blocks): Split out block merging ...
21572 (try_merge_blocks): ... here. New.
21573 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
21574 Dump debugging data.
21575 (merge_blocks_move_successor_nojumps): Likewise.
21576 (merge_blocks): Use eh_beg+eh_end to validate block movement.
21578 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
21580 * extend.texi (Bound member functions): Document unbound pmf
21583 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21585 * flow.c (split_edge): Handle insertion on a fallthrough edge which
21586 has the EXIT_BLOCK as a dest.
21588 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21590 * flow.c (remove_edge): New function to remove an edge from the
21592 (remove_fake_successors): New function to remove fake successor edges.
21593 (remove_fake_edges): New function to remove all fake edges from the
21595 (add_fake_exit_edges): New function to add fake edges from all blocks
21596 with no successors to the exit block.
21597 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
21598 prototypes for new functions.
21600 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21602 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
21603 Use Pmode to determine whether to output .dword or .word.
21605 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
21607 * tree.c (built_in_filename): New variable.
21608 (BUILT_IN_FILENAME): New macro.
21609 (init_tree_codes): Allocate built_in_filename.
21610 (make_node): Use built_in_filename instead of string constant.
21612 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
21614 * configure.in: Add fr30 target.
21615 * configure: Regenerate.
21616 * config/fr30: New directory.
21617 * config/fr30/crti.asm: New file.
21618 * config/fr30/fr30.c: New file.
21619 * config/fr30/crtn.asm: New file.
21620 * config/fr30/fr30.h: New file.
21621 * config/fr30/fr30.md: New file.
21622 * config/fr30/lib1funcs.asm: New file.
21623 * config/fr30/t-fr30: New file.
21624 * config/fr30/xm-fr30.h: New file.
21626 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
21628 * flow.c (merge_blocks_move_successor_nojumps): Delete the
21629 BARRIER at the end of the successor, not the BARRIER before
21632 * pa.c (pa_add_gc_roots): Fix thinko in last change.
21634 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
21636 * stmt.c (any_pending_cleanups): Don't crash when
21637 current_function->stmt is unset.
21639 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
21641 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
21642 other initializations that may use it for relative offsets.
21644 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
21646 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
21647 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
21648 * config/i386/sol2dbg.h: Removed.
21649 * config/i386/sol2gas.h: New file, to enable gas work-around.
21650 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
21651 Don't use sol2dbg.h.
21652 * configure: Rebuilt.
21654 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
21656 * invoke.texi (-fthis-is-variable): Remove documentation.
21658 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
21660 * basic-block.h (compute_bb_for_insn): Declare.
21661 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
21662 to use; set size of basic_block_for_insn directly.
21663 (find_basic_blocks): Update.
21665 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21667 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
21669 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21671 * crtstuff.c (ON_EXIT): Delete empty macro definition.
21672 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
21674 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
21676 * c-decl.c (c_decode_option): Extend comment.
21678 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
21680 * toplev.c (progname): Make 'const char *'
21681 (flag_print_mem): Move out of main.
21682 (version_flag): Move out of main.
21683 (filename): Move out of main.
21684 (debug_args): Remove g prefix from options.
21685 (documented_lang_options): Remove cpplib specific options.
21686 (display_help): Add g prefix to debug options.
21687 (check_lang_option): Delete this function.
21688 (decode_d_option): New function: Decode -d... option.
21689 (decode_f_option): New function: Decode -f... option.
21690 (decode_W_option): New function: Decode -W... option.
21691 (decode_g_option): New function: Decode -g... option.
21692 (independent_decode_option): New function: Decode a language
21693 independent command line option.
21694 (main): Invoke lang_decode_option and then
21695 independent_decode_option on each command line option in
21698 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
21700 Revert this change. Gavin's patch to operand_equal_p is a better fix.
21701 * fold-const.c (fold_range_test): Do not try to fold the range
21702 test if the rhs or lhs has side effects.
21704 * basic-block.h (compute_flow_dominators): Declare.
21706 * gcse.c (alloc_code_hoist_mem): New function.
21707 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
21708 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
21709 (hoist_code, one_code_hoisting_pass): Likewise.
21710 (gcse_main): If optimizing for size, then hoist expressions
21711 computed in multiple dominated basic blocks.
21713 * gcse.c (invalid_nonnull_info): New function.
21714 (delete_null_pointer_checks): Likewise.
21715 * rtl.h (delete_null_pointer_checks): Declare.
21716 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
21718 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
21719 (merge-blocks_move_successor_nojumps): Likewise.
21720 (merge_blocks): Allow merging of some blocks, even if it requires
21721 physical movement of the blocks, but not if it requires new jumps.
21723 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
21724 Callers and prototype changed.
21725 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
21727 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
21729 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
21730 -YP when both -p and -pg are present. From i386/sol2.h.
21732 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21734 * Makefile.in (distclean): Delete tm_p.h.
21735 * configure.in: Create a new file, "tm_p.h", from a list in
21736 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
21737 "i386/i386-protos.h".
21739 * alias.c: Include "tm_p.h".
21740 * c-typeck.c: Likewise.
21741 * calls.c: Likewise.
21743 * emit-rtl.c: Likewise.
21744 * explow.c: Likewise.
21745 * expmed.c: Likewise.
21746 * expr.c: Likewise.
21747 * final.c: Likewise.
21748 * flow.c: Likewise.
21749 * fold-const.c: Likewise.
21750 * function.c: Likewise.
21751 * gcse.c: Likewise.
21752 * global.c: Likewise.
21753 * haifa-sched.c: Likewise.
21754 * integrate.c: Likewise.
21755 * jump.c: Likewise.
21756 * local-alloc.c: Likewise.
21757 * loop.c: Likewise.
21758 * optabs.c: Likewise.
21759 * recog.c: Likewise.
21760 * reg-stack.c: Likewise.
21761 * regclass.c: Likewise.
21762 * regmove.c: Likewise.
21763 * reload.c: Likewise.
21764 * reload1.c: Likewise.
21765 * reorg.c: Likewise.
21766 * resource.c: Likewise.
21767 * stmt.c: Likewise.
21768 * stor-layout.c: Likewise.
21769 * toplev.c: Likewise.
21770 * tree.c: Likewise.
21771 * unroll.c: Likewise.
21772 * genattrtab.c (main): Make generated file include "tm_p.h".
21773 * genemit.c (main): Likewise.
21774 * genoutput.c (main): Likewise.
21775 * genrecog.c (main): Likewise.
21777 * i386.h: Delete all prototypes.
21778 * i386.c: Include "tm_p.h".
21779 (ix86_attr_length_default): Call constant_call_address_operand
21780 with correct number of arguments.
21781 * i386-protos.h: New file.
21782 * i386.md (unnamed patterns): Call constant_call_address_operand
21783 with correct number of arguments.
21784 (exception_receiver): Call load_pic_register with correct number
21787 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
21789 * c-pragma.c (mark_align_stack): Dereference the void* properly.
21791 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
21793 * rtl.h (insns_safe_to_move_p): New function.
21794 * loop.c (find_and_verify_loops): Use it.
21795 * rtlanal.c (insns_safe_to_move_p): Define it.
21797 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
21799 * c-pragma.c: Include ggc.h.
21800 * Makefile.in (c-pragma.o): Update.
21802 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
21804 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
21805 (LIB_SPEC): Likewise.
21806 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
21807 Reindent -YP/-p/-pg.
21808 Copied from config/sparc/sol2.h.
21810 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
21812 * c-pragma.c (mark_align_stack): New.
21813 (init_pragma): New.
21814 * c-pragma.h (init_pragma): Declare it.
21815 * c-lex.c (init_parse): Call it.
21817 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
21819 * configure.in: Pick up thread library on Solaris/x86 just
21820 like on Solaris/sparc.
21821 * configure: Rebuilt.
21823 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
21825 * rtl.h (global_rtx_index): New enum.
21826 (global_rtl): Change to array of rtx.
21827 (pc_rtx, cc0_rtx): Redefine accordingly.
21828 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
21829 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
21830 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
21831 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
21832 (const_int_rtx): Change to array of rtx.
21833 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
21835 * emit-rtl.c (global_rtl): Change to array of rtx.
21836 (const_int_rtx): Change to aray of rtx.
21837 (gen_rtx_CONST_INT): Redefine accordingly.
21838 (init_emit_once): Allocate and initialize global_rtl. Likewise
21839 for const_int_rtx. Add both as GC roots.
21840 * genattrtab.c (global_rtl): Update declaration.
21842 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
21844 * Makefile (USER_H): Add iso646.h back.
21846 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
21848 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
21849 zapping the LOG_LINKS of sched_before_next_call.
21851 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
21852 * pa.c (insn_refs_are_delayed): Renamed from
21853 insn_sets_and_refs_are_delayed.
21855 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
21857 * functiion.h (struct function): Add x_whole_function_mode_p.
21858 (retrofit_block): Declare.
21859 * function.c (retrofit_block): New function.
21860 (identify_blocks): Add assertions. Allow an incomplete set of
21861 block notes if we're still generating code for the function.
21862 * integrate.c: Include loop.h.
21863 (expand_inline_function): Call find_loop_tree_blocks to map block
21864 notes to blocks when in whole-function mode. Use retrofit_block
21865 to insert new BLOCKs for the inlined function, rather than
21867 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
21868 * Makefile.in (integrate.o): Depend on loop.h.
21870 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
21872 * tree.h (warn_about_unused_variables): Declare.
21873 * stmt.c (warn_about_unused_variables): New function, split out
21875 (expand_end_bindings): Here.
21877 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
21879 * stmt.c (preserve_subexpressions_p): Don't crash when
21880 current_function->stmt is unset.
21882 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
21884 * stmt.c (expand_start_bindings): Allow callers to pass a flag
21885 indicating that no NOTE_INSN_BLOCK_BEG note is required.
21886 (expand_start_target_temps): Use it.
21887 * except.c (expand_eh_region_start_for_decl): Likewise.
21888 * expr.c (expand_expr): Likewise.
21890 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
21892 * fold-const.c (operand_equal_p): Pay attention to side effects.
21894 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
21896 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
21897 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
21899 * tlink.c (scan_linker_output): Look for keywords before accepting
21900 a mangled name in quotes.
21902 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
21904 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
21905 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
21907 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
21909 * alpha.md: Revert Thu Nov 26 change that came in through the
21910 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
21911 Avoid earlyclobber when possible.
21913 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21915 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
21917 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
21918 Define HAVE_ON_EXIT.
21920 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21922 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
21923 CTYPE_CONV in all ctype macros.
21925 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
21928 * cexp.y (initialize_random_junk): Likewise.
21930 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
21932 * i370.c (handle_pragma): Likewise.
21934 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
21936 * v850.c (override_options): Likewise.
21938 * doprint.c (_doprnt): Likewise.
21940 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
21943 * fixinc/server.c (load_data): Likewise.
21945 * fold-const.c (real_hex_to_f): Likewise.
21947 * genattr.c (write_upcase, gen_attr): Likewise.
21949 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
21950 write_upcase): Likewise.
21952 * genemit.c (print_code): Likewise.
21954 * genopinit.c (gen_insn): Likewise.
21956 * genpeep.c (print_code): Likewise.
21958 * genrecog.c (print_code): Likewise.
21960 * optabs.c (init_libfuncs): Likewise.
21962 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
21964 * haifa-sched.c (sched_analyze): Keep the list of notes organized
21966 (reemit_notes): Likewise.
21968 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
21970 * ggc.h (ggc_root): Move to ggc-common.c.
21972 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
21973 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
21974 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
21975 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
21976 * ggc-common.c (ggc_root): Move from ggc.h.
21977 (roots): Declare, static.
21978 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
21979 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
21980 null or check/set mark bit.
21981 (ggc_mark_roots): New.
21982 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
21984 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
21986 * m32r.c: Include toplev.h.
21987 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
21988 (gen_compare): Rename swap_p to must_swap to match uses.
21989 Add default abort case.
21990 (m32r_output_function_epilogue): Remove unused variables.
21991 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
21992 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
21993 define to empty parameter list. Update all uses.
21994 (predicate decls): Use enum machine_mode not int.
21995 * m32r.md (movsi): Call abort, not fatal_insn.
21996 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
21998 1999-09-14 Andrew Haley <aph@cygnus.com>
22000 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
22001 use $0 instead of 0.
22003 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22005 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
22006 computation out of loop over hard regs.
22008 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
22010 * function.c (identify_blocks): Don't shadow a variable in an
22012 * integrate.c (integrate_decl_tree): Don't use pushlevel,
22013 pushdecl, or poplevel to build up the new BLOCK tree.
22014 (expand_inline_function): Likewise.
22015 (integrate_parm_decls): Likewise.
22017 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
22019 * c-typeck.c (qualify_type): Merge qualifiers from both types.
22021 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
22023 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
22024 * invoke.texi: Document this change.
22026 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
22028 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
22030 (mark_emit_status): Renamed from mark_emit_state.
22031 * except.c (mark_eh_status): Renamed from mark_eh_state.
22032 Check not null before marking.
22033 (free_eh_status): New.
22034 * expr.c (mark_expr_status, free_expr_status): New.
22035 * function.c (free_machine_status): New.
22036 (free_after_parsing): New.
22037 (free_after_compilation): Move bits to free_after_parsing; call
22038 free_eh_status, free_expr_status; zero the marked members of the
22040 (prepare_function_start): No can_garbage_collect.
22041 Call init_eh_for_function.
22042 (expand_dummy_function_end): Free up current_function state.
22043 (mark_function_status): Renamed from mark_function_state.
22044 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
22045 * function.h (struct function): No can_garbage_collect.
22046 (free_machine_status, free_after_parsing): Declare.
22047 (free_eh_status, free_expr_status): Declare.
22048 * ggc.h (mark_expr_status): Declare.
22049 * stmt.c (free_stmt_status): Free the struct.
22050 (mark_stmt_status): Renamed from mark_stmt_state.
22051 (init_stmt): Don't call init_eh.
22052 (init_stmt_for_function): Don't call init_eh_for_function.
22053 * toplev.c (compile_file): Call init_eh.
22054 (rest_of_compilation): Free basic block info before ggc_collect.
22055 Call free_after_parsing; conditionally call free_after_compilation.
22056 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
22057 Check not null before marking.
22058 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
22060 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
22062 * c-lex.c (yylex): Initialize warn.
22064 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
22066 * pa.c (emit_move_sequence): Properly set the mode of the scratch
22067 register when performing secondary reloads for the SAR register.
22069 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
22071 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
22072 (NOTE_BLOCK): New macro.
22073 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
22074 * function.h (identify_blocks): Change prototype.
22075 * function.c (identify_blocks): Simplify.
22076 (reorder_blocks): Likewise.
22077 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
22078 NOTE_INSN_BLOCK_{BEG,END}.
22079 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
22080 the list of saved notes if the note isn't a
22081 NOTE_INSN_BLOCK_{BEG,END}.
22082 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
22084 (reemit_notes): Adjust recreation of notes to reflect new saved
22086 * print-rtl.c (print_rtx): Print the address of the BLOCK when
22087 printing a block note.
22088 * stmt.c (block_vector): Remove.
22089 (find_loop_tree_blocks): Simplify.
22090 (unroll_block_trees): Likewise.
22091 * tree.h (reorder_block): Change prototype.
22093 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
22095 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
22096 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
22097 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
22098 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
22099 (atexit, exit): Simplify.
22100 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
22101 * config/lots: Remove defns of HAVE_ATEXIT.
22103 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
22105 * calls.c (precompute_arguments): Fix typo in comment.
22106 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
22109 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
22111 * dsp16xx.c (override_options): Fix typos in GC root registration.
22113 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
22115 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
22116 from config/svr4.h.
22117 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
22118 (FUNCTION_PROFILER): Redefine appropriately for Linux.
22119 (CC1_SPEC): Likewise.
22121 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22123 * genattr.c (main): Add extern prototype. Call return, not exit.
22124 * genattrtab.c (main): Likewise.
22125 * gencheck.c (main): Likewise.
22126 * gencodes.c (main): Likewise.
22127 * genconfig.c (main): Likewise.
22128 * genemit.c (main): Likewise.
22129 * genextract.c (main): Likewise.
22130 * genflags.c (main): Likewise.
22131 * gengenrtl.c (main): Likewise.
22132 * genopinit.c (main): Likewise.
22133 * genoutput.c (main): Likewise.
22134 * genpeep.c (main): Likewise.
22135 * genrecog.c (main): Likewise.
22137 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
22138 * genattrtab.c (get_insn_name): Likewise.
22139 * gencodes.c (get_insn_name): Likewise.
22140 * genconfig.c (get_insn_name): Likewise.
22141 * genemit.c (get_insn_name): Likewise.
22142 * genextract.c (get_insn_name): Likewise.
22143 * genflags.c (get_insn_name): Likewise.
22144 * genopinit.c (get_insn_name): Likewise.
22145 * genpeep.c (get_insn_name): Likewise.
22147 * gencheck.c (usage): Add static prototype.
22148 * genextract.c (print_path): Constify a char*.
22149 * genopinit.c (optabs): Likewise.
22150 * genoutput.c (operand_data, data, output_predicate_decls,
22151 compare_operands): Likewise.
22152 * genrecog.c (write_tree): Add default case in switch.
22154 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22156 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
22158 * print-rtl.c (get_insn_name): Remove prototype.
22160 * toplev.h (progname): Declare const.
22162 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
22163 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
22164 dump_sched_info, dump_local_alloc, regset_release_memory,
22165 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
22166 error_with_file_and_line, error_with_decl, error_for_asm, error,
22167 fatal, warning_with_file_and_line, warning_with_decl, warning,
22168 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
22169 Remove redundant prototypes.
22171 (notice, check_lang_option, report_file_and_line, vnotice,
22172 mark_file_stack): Add static prototype.
22173 (set_fatal_function): Add prototype.
22174 (vnotice, report_file_and_line, set_fatal_function,
22175 check_lang_option): Constify a char*.
22176 (main): Prototype. Call return, not exit.
22178 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22180 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
22182 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
22184 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
22186 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
22188 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22190 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
22191 behave as if it's zero in all cases.
22192 (expand_function_start): Adjust call to assign_parms.
22193 * tree.h (assign_parms): Adjust prototype.
22194 * objc/objc-act.c (hack_method_prototype): Adjust call to
22197 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
22199 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
22200 arg_pointer_rtx fixed if the argument pointer register is
22202 (NONZERO_BASE_PLUS_P): Likewise.
22204 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
22206 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
22207 match_insn2 to match_insn.
22208 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
22210 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
22212 * Makefile.in (USER_H): Remove va-foo.h.
22214 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
22215 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
22216 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
22217 va-spur.h,va-v850.h}: Remove.
22219 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
22221 * sparc/sparc.md (eligible_for_return_delay): New attribute.
22222 (in_return_delay): Use it instead of match_insn.
22224 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
22226 * config/alpha/va_list.h (va-alpha.h): Do not include.
22227 (__gnuc_va_list): Typedef as in varargs.h.
22229 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
22231 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
22232 DECL_LIVE_RANGE_RTL.
22234 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
22236 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
22237 not NOTE_BLOCK_NUMBER.
22238 (expand_eh_region_end): Likewise.
22239 (find_exception_handler_labels): Likewise.
22240 (scan_region): Likewise.
22241 (exception_optimize): Likewise.
22242 (update_rethrow_references): Likewise.
22243 (set_insn_eh_region): Likewise.
22244 * final.c (final_scan_insn): Likewise.
22245 * flow.c (make_edges): Likewise.
22246 * integrate.c (expand_inline_function): Likewise.
22247 * print-rtl.c (print_rtx): Likewise.
22249 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
22251 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
22252 terms of builtin functions and types.
22254 * mips.c (mips_build_va_list): New.
22255 (mips_va_start, mips_va_arg): New.
22256 * mips.h (BUILD_VA_LIST_TYPE): New.
22257 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
22259 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
22260 (sh_build_va_list, sh_va_start, sh_va_arg): New.
22261 * sh.h (BUILD_VA_LIST_TYPE): New.
22262 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
22264 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
22266 * recog.h (struct recog_data): Make dup_num, operand_address_p,
22267 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
22268 (struct insn_data): Likewise with n_operands, n_dups,
22269 n_alternatives, output_format.
22270 * regclass.c (scan_one_insn): Cast n_operands to int before
22271 arithmetic inside comparison.
22273 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
22275 * toplev.c (compile_function): Unconditionally emit nop.
22277 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22279 * haifa-sched.c (actual_hazard): Move declaration of variable
22280 `this_cost' into the scope where it is used.
22282 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22284 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
22285 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
22286 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
22288 * genrecog.c (make_insn_sequence): Call memset, not bzero.
22290 * jump.c (find_insert_position): Don't declare or define unless
22291 !HAVE_conditional_arithmetic.
22292 (returnjump_p_1, delete_prior_computation): Add static prototypes.
22294 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
22296 * recog.c (offsettable_address_p): Prototype function pointer.
22297 (preprocess_constraints): Call memset, not bzero.
22299 * tree.c (tree_node_kind_names): Constify a char*. Make static.
22300 (gcc_obstack_init): Don't declare.
22301 (fix_sizetype): Add static prototype.
22302 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
22303 (tree_cons): Call memset, not bzero.
22305 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
22306 definition in macro ASM_WEAKEN_LABEL.
22307 (mark_const_hash_entry): Add static prototype.
22309 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22311 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
22313 * unroll.c (find_common_reg_term, subtract_reg_term,
22314 loop_find_equiv_value): Add static prototypes.
22315 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
22316 (copy_loop_body): Remove unreachable break statement.
22318 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
22320 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
22322 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22324 Undo some changes from the gcc2 merge:
22325 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
22326 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
22330 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
22331 * emit-rtl.c (gen_lowpart_common): Disable optimization of
22332 initialized float-int union if the value is a NaN.
22334 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
22336 * gthr-win32.h: New file.
22338 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
22339 shared as a valid attribute.
22340 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
22341 * extend.texi: Document `shared' variable attribute.
22343 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
22345 * configure.in: Handle --enable-threads on FreeBSD.
22346 * configure: Rebuit.
22348 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
22350 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
22352 * configure: Rebuilt.
22354 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
22355 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
22356 Rosimildo DaSilva <rdasilva@connecttel.com>
22358 * configure.in (m68k-*-rtemscoff*): Added.
22359 * configure.in (mips64orion-*-rtems*): Converted to ELF.
22360 * configure.in (sparc-*-rtemsaout*): Added as alias for old
22361 sparc-rtems configuration.
22362 * configure.in (sparc-*-rtemself*): Added.
22363 * configure.in (sparc-*-rtems*): Now ELF not a.out.
22364 * config/i386/rtems.h: Added comment.
22365 * config/sparc/rtemself.h: New file.
22367 * configure.in (m68k-rtemself): Added.
22368 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
22369 and DWARF_DEBUGGING_INFO.
22370 * config/m68k/crti.s: New file.
22371 * config/m68k/crtn.s: New file.
22372 * config/m68k/t-crtstuff: New file.
22373 * config/m68k/rtemself.h: New file.
22375 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
22376 global ctor/dtor and C++ exception handling.
22377 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
22378 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
22380 * config/i386/t-rtems-i386: New File.
22382 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
22384 * stmt.c (expand_end_case): Return right away if the case stack is
22387 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
22389 * Makefile.in (version.c): Remove rule incorrectly brought in from
22392 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
22394 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
22395 * msdos/top.sed: Take into account a prepended $(SHELL) to
22397 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
22399 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
22401 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22403 * regmove.c (fixup_match_1): Don't change an unchanging register.
22404 (stable_but_for_p): Renamed to:
22405 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
22406 Changed all callers.
22408 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
22410 * loop.c (strength_reduce): Don't call reg_used_between_p if the
22411 insn from BL2 is after the insn from BL.
22413 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
22415 * recog.h (INSN_OUTPUT_FORMAT_*): New.
22416 (struct insn_data): Merge `template' and `outfun' into `output'.
22417 Add `output_format'.
22418 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
22419 (struct data): Remove `outfun'; add `output_format'.
22420 (name_for_index): Remove declaration.
22421 (output_insn_data): Handle output formats.
22422 (process_template): Emit the bare array for @.
22423 (gen_expand, gen_split): Set output_format to NONE.
22424 * output.h (get_insn_template): Declare.
22425 * final.c (get_insn_template): New.
22426 (final_scan_insn): Use it.
22427 * toplev.c (compile_file): Likewise.
22429 * c4x/c4x.c (c4x_process_after_reload): Likewise.
22430 * i860/i860.c (output_delayed_branch): Likewise.
22431 (output_delay_insn): Likewise.
22433 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
22435 * rtl.c (obstack_alloc_rtx): Removed.
22437 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
22439 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
22441 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
22443 * i386.c (call_insn_operand): Reject const_int.
22444 (expander_call_insn_operand): Use call_insn_operand.
22446 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22448 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
22450 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
22452 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
22453 Use DImode operation.
22455 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
22457 * gcc.c: Include sys/resource.h.
22458 (report_times): New flag.
22459 (execute): If report_times is set, calculate and report the
22460 CPU time consumed by each subprocess.
22462 (rus, prus): New globals.
22463 (option_map): Add --time.
22464 (display_help): Document -time.
22465 (process_command): Set report_times if -time is given.
22466 Turn off -pipe if -time is given.
22468 * invoke.texi: Document new option -time.
22470 * configure.in: Check for getrusage. Check if we have to
22471 prototype getrusage.
22472 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
22473 * configure: Regenerate.
22474 * config.in: Regenerate.
22476 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
22478 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
22481 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
22483 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
22484 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
22485 (nan): Return _thenan_sf or _thenan_df as appropriate.
22486 (L_thenan_sf): Define _thenan_sf.
22487 (L_thenan_df): Define _thenan_df.
22489 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
22490 (DPBIT_FUNCS): Add _thenan_df.
22492 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
22494 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
22497 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22499 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
22502 (lang_specific_driver): Don't take a function pointer parameter.
22503 All callers changed.
22505 * gcc.c: Include gcc.h.
22506 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
22507 lang_specific_extra_outfiles, fatal): Don't declare.
22508 (multilib_defaults_raw): Constify.
22509 (read_specs): Call memset, rather than bzero.
22510 (main): Call return, not exit.
22511 (lookup_compiler): Call memcpy, not bcopy.
22512 (fatal): Make extern.
22514 * cppspec.c: Include gcc.h.
22515 (lang_specific_driver): Initialize variable `quote'. Constify a
22516 char*. All calls to the function pointer parameter now
22517 explicitly call `fatal'.
22519 * gccspec.c (lang_specific_driver): Include gcc.h.
22521 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
22523 * arm.c (note_invalid_constants): Use recog_data.operand_type
22526 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22528 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
22531 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
22532 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
22533 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
22534 reload_secondary_in_reload, reload_secondary_out_reload,
22535 reload_secondary_in_icode, reload_secondary_out_icode,
22536 reload_reg_rtx, reload_when_needed): Delete declarations.
22537 (struct reload): New structure.
22538 (rld): Declare new array.
22539 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
22540 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
22541 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
22542 reload_secondary_in_reload, reload_secondary_out_reload,
22543 reload_secondary_in_icode, reload_secondary_out_icode,
22544 reload_reg_rtx, reload_when_needed): Delete definitions.
22546 (whole file): Replace uses of the deleted arrays with uses of rld.
22547 * reload1.c (whole file): Replace uses of the deleted arrays with
22549 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
22550 explicit loops, not with bcopy.
22552 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
22554 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
22555 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
22556 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
22557 insn_name): Delete and consolidate into new structures.
22558 (insn_operand_predicate_fn): New.
22559 (insn_output_fn): New.
22560 (insn_gen_fn): New.
22561 (struct insn_operand_data): New.
22562 (struct insn_data): New.
22564 (OUT_FCN): Update for insn_data change.
22565 * builtins.c (expand_builtin_strlen): Likewise.
22566 (expand_builtin_memcmp): Likewise.
22567 * combine.c (make_extraction, simplify_comparison): Likewise.
22568 * cse.c (canon_reg, cse_insn): Likewise.
22569 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
22570 * expmed.c (store_bit_field, extract_bit_field): Likewise.
22571 (emit_store_flag): Likewise.
22572 * expr.c (convert_move, emit_block_move): Likewise.
22573 (clear_storage, emit_push_insn, expand_increment): Likewise.
22574 (do_store_flag): Likewise.
22575 * expr.h (GEN_FCN): Likewise.
22576 (insn_gen_function): Die.
22577 * final.c (final_scan_insn): Update for insn_data change.
22578 (output_asm_name): Likewise.
22579 * function.c (fixup_var_refs_1): Likewise.
22580 * loop.c (check_dbra_loop): Likewise.
22581 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
22582 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
22583 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
22584 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
22585 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
22586 * regmove.c (gen_add3_insn): Likewise.
22587 * reload.c (push_secondary_reload, combine_reloads): Likewise.
22588 (find_reloads, find_reloads_address_1): Likewise.
22589 (debug_reload_to_stream): Likewise.
22590 * reload1.c (emit_reload_insns, gen_reload): Likewise.
22591 * stmt.c (expand_end_case): Likewise.
22592 * toplev.c (compile_file): Likewise.
22594 * c4x/c4x.c (c4x_process_after_reload): Likewise.
22595 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
22597 * print-rtl.c (insn_name_ptr): Remove declaration.
22598 (get_insn_name): Declare.
22599 (print_rtx): Use it.
22600 * genoutput.c (insn_name_ptr): Remove.
22601 (next_operand_number): New.
22602 (struct operand_data): New.
22603 (null_operand, odata, odata_end): New.
22604 (struct data): Use struct operand_data.
22605 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
22606 (get_insn_name): Renamed from name_for_index.
22607 (output_prologue): Define NO_MD_PROTOTYPES.
22608 (output_predicate_decls): Break out from output_epilogue.
22609 Iterate over the operands list.
22610 (output_operand_data): Break out from output_epilogue. Emit
22611 just the operands list.
22612 (output_insn_data): Break out from output_epilogue. Emit just
22614 (output_epilogue): Remove.
22615 (output_get_insn_name): New.
22616 (constraints, op_n_alternatives, predicates, address_p): Die.
22617 (modes, strict_low, seen): Die.
22618 (scan_operands): Take new param `d' instead of writing to
22619 seven global variables.
22620 (compare_operands): New.
22621 (place_operands): New.
22622 (validate_insn_alternatives): Update for struct data change.
22623 (gen_insn): Don't zero or copy 7 global arrays. Update for
22624 scan_operands; call place_operands.
22625 (gen_peephole, gen_expand, gen_split): Likewise.
22626 (main): Update for new output routines.
22628 * genattr.c (insn_name_ptr): Remove.
22629 (get_insn_name): New function.
22630 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
22631 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
22632 * genrecog.c: Likewise.
22634 * alpha.md (adddi3): Make `pattern' array static.
22636 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22638 * config/c4x/c4x.h (c4x_rpts_cycles_string,
22639 c4x_cpu_version_string): Constify char *.
22640 * config/c4x/c4x.c (c4x_rpts_cycles_string,
22641 c4x_cpu_version_string): Likewise.
22643 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
22645 * tree.c (save_tree_status): Revert 10 Sep change.
22646 (restore_tree_status): Likewise. Call obstack_free with NULL
22647 before freeing the obstack proper.
22649 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
22651 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
22653 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
22654 surrounding context.
22656 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
22658 * tree.c (type_hash_canon): Put all types in the hash-table, when
22661 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
22663 * recog.h (struct recog_data, recog_data): New.
22664 (recog_foo variables): Kill.
22665 * recog.c (recog_operand, recog_operand_loc): Kill.
22666 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
22667 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
22668 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
22669 (recog_data): Define.
22670 (extract_insn): Update all recog_foo references to use recog_data.
22671 (preprocess_constraints, constrain_operands): Likewise.
22672 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
22673 * genattrtab.c (main): Likewise.
22674 * genextract.c (main): Likewise.
22675 * genoutput.c: Likewise.
22676 * genrecog.c (write_subroutine, main): Likewise.
22677 * local-alloc.c (block_alloc): Likewise.
22678 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
22679 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
22680 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
22681 * reload.c (find_reloads, find_reloads_toplev): Likewise.
22682 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
22683 (reload_cse_simplify_operands): Likewise.
22685 * arc/arc.c (arc_final_prescan_insn): Likewise.
22686 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
22687 * h8300/h8300.c (notice_update_cc): Likewise.
22688 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
22689 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
22690 * mn10200/mn10200.c (notice_update_cc): Likewise.
22691 * mn10300/mn10300.c (notice_update_cc): Likewise.
22692 * romp/romp.c (update_cc): Likewise.
22693 * sparc/sparc.c (check_pic): Likewise.
22694 * v850/v850.c (notice_update_cc): Likewise.
22696 * genemit.c (main): Don't declare recog_operand.
22698 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
22700 * ggc.h (rtvec_def): Forward declare.
22701 (tree_node): Likewise.
22702 (ggc_root): Define.
22704 (ggc_set_mark_rtx): Add prototype.
22705 (ggc_set_mark_rtvec): Likewise.
22706 (ggc_set_mark_tree): Likewise.
22707 * ggc-simple.c (ggc_root): Don't define.
22708 (roots): Don't declare.
22709 (ggc_mark_rtx): Remove.
22710 (ggc_mark_rtvec): Likewise.
22711 (ggc_mark_tree): Likewise.
22712 (ggc_mark_varray): Likewise.
22713 (ggc_mark_tree_hash_table_entry): Likewise.
22714 (ggc_mark_tree_hash_table): Likewise.
22715 (ggc_set_mart_rtx): New function.
22716 (ggc_set_mark_rtvec): Likewise.
22717 (ggc_set_mark_tree): Likewise.
22718 (ggc_add_root): Remove.
22719 (ggc_add_rtx_root): Likewise.
22720 (ggc_remove_tree_root): Likewise.
22721 (ggc_add_string_root): Likewise.
22722 (ggc_add_tree_varray_root): Likewise.
22723 (ggc_add_tree_hash_table_root): Likewise.
22724 (ggc_del_root): Likewise.
22725 (ggc_mark_rtx_ptr): Likewise.
22726 (ggc_mark_tree_ptr): Likewise.
22727 (ggc_mark_string_ptr): Likewise.
22728 (ggc_mark_tree_varray_ptr): Likewise.
22729 (ggc_mark_tree_hash_table_ptr): Likewise.
22730 * ggc-common.c: New file.
22731 * Makefile.in (OBJS): Add ggc-common.o.
22732 (ggc-common.o): List dependencies.
22734 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
22736 * cppalloc.c (xstrdup): Use memcpy.
22737 * cpperror.c (cpp_print_containing_files): Don't use
22739 * cpplib.c (conditional_skip): Set temp->lineno.
22740 (do_endif): Make error message less obscure.
22741 (if_directive_name): New function.
22742 (cpp_get_token [case EOF]): Unwind the if stack and generate
22743 error messages for each unterminated conditional in this file.
22744 (parse_string): Do not behave differently if -traditional.
22746 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
22748 * builtins.c (expand_builtin_va_arg): Cope with an array-type
22749 va_list decomposing to pointer-type.
22750 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
22751 (rs6000_va_arg): Likewise.
22753 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
22755 * except.c (start_dynamic_handler): Compute size using
22756 STACK_SAVEAREA_MODE.
22758 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22760 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
22761 include directory headers. Don't define strrchr. Don't provide
22762 my_* replacement functions. Prefer PTR over `pointer_type'.
22763 Don't prototype system functions. Don't redefine getopt.
22765 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
22766 safe_read, safe_write, save_pointers, restore_pointers,
22767 is_id_char, in_system_include_dir, directory_specified_p,
22768 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
22769 find_corresponding_lparen, referenced_file_is_newer,
22770 save_def_or_dec, munge_compile_params, gen_aux_info_file,
22771 process_aux_info_file, identify_lineno, check_source,
22772 seek_to_line, forward_to_next_token_char, output_bytes,
22773 output_string, output_up_to, other_variable_style_function,
22774 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
22775 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
22776 find_static_definition, connect_defs_and_decs, add_local_decl,
22777 add_global_decls, needs_to_be_converted, visit_each_hash_node,
22778 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
22779 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
22780 scan_for_missed_items, edit_file, string_list_cons): Add static
22782 (standard_exec_prefix, target_machine, target_version,
22783 default_syscalls_dir, string_list, string_list_cons, find_file,
22784 do_cleaning): Constify a char*.
22785 (safe_read, safe_write): Use PTR, not a char*.
22786 (is_id_char): Take an int, not a char.
22787 (main): Add prototype. Call return, not exit.
22789 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
22791 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
22792 when comparing types.
22794 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
22796 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
22797 (strength_reduce): Release the varrays from the no-bivs early exit.
22799 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
22800 the loop over the registers.
22802 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
22804 (restore_tree_status): Check that instead when freeing the obstack.
22806 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
22808 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
22811 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22813 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
22814 operand size modifiers.
22816 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22818 * c-common.c (c_common_nodes_and_builtins): Don't build
22820 * c-common.h (enum c_tree_index and related accesor macros): Remove
22821 everything now declared in tree.h.
22822 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
22823 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
22824 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
22825 (error_mark_node, void_type_node, char_type_node, integer_type_node,
22826 unsigned_type_node, ptr_type_node, va_list_type_node,
22827 integer_zero_node, null_pointer_node, integer_one_node): Delete.
22828 (init_decl_processing): Call build_common_tree_nodes and
22829 build_common_tree_nodes_2 instead of building their nodes here.
22830 Don't add roots for these nodes.
22831 * stor-layout.c (size_zero_node, size_one_node): Delete.
22832 (set_sizetype): Make a new node for bitsizetype each time.
22833 * tree.c (global_trees): New variable.
22834 (init_obstacks): Add a gc root for it.
22835 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
22836 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
22837 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
22838 (build_common_tree_nodes): New function.
22839 (fix_sizetype): New function.
22840 (build_common_tree_nodes_2): New function.
22841 * tree.h (enum tree_index): New.
22842 (global_trees): Declare.
22843 Add accessor macros for all nodes now moved to global_trees.
22844 Delete their declarations.
22846 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
22848 * c-decl.c (finish_function): When processing a nested function,
22849 push and pop GC context around rest_of_compilation.
22851 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
22853 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
22854 Default ix86_arch to PROCESSOR_I386.
22855 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
22856 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
22857 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
22858 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
22859 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
22860 (EXTRA_SPECS): Remove deleted specs.
22862 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
22864 * function.c (assign_stack_local_1): Allocate from
22865 function->x_frame_offset, not frame_offset.
22867 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
22869 * ggc.h (lang_cleanup_tree): Remove.
22870 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
22871 * ggc-callbacks.c (lang_cleanup_tree): Remove.
22873 * c-decl.c (finish_struct): Use ggc_alloc to allocate
22874 TYPE_LANG_SPECIFIC when garbage collecting.
22875 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
22876 (lang_cleanup_tree): Remove.
22878 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
22880 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
22881 * crtstuff.c: Not here.
22882 * dwarf2out.c: Or here.
22883 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
22886 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
22888 * function.h (free_after_compilation): Remove decl parameter.
22889 (free_varasm_status0: Likewise.
22890 (free_emit_status): Likewise.
22891 (free_stmt_status): Likewise.
22892 (free_after_compilation): Likewise.
22893 (init_lang_status): New variable.
22894 (free_lang_status): Likewise.
22895 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
22896 * function.c (init_lang_status): New variable.
22897 (free_lang_status): Likewise.
22898 (push_function_context_to): Don't set function::decl here.
22899 (free_after_copmilation): Make decl parameter implicit. Call
22900 free_lang_status if defined.
22901 (prepare_function_start): Call init_lang_status if defined.
22902 (init_function_start): Set function::decl here.
22903 * profile.c (output_func_start_profiler): Don't call pushdecl
22904 until we've actually started the function.
22905 * stmt.c (free_stmt_status): Make decl parameter implicit.
22906 * toplev.c (rest_of_compilation): Don't pass decl to
22907 free_after_compilation.
22908 * varasm.c (free_varasm_status): Likewise.
22910 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22912 * except.c (call_get_eh_context): Add root when allocating static
22915 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
22917 * arm.c: Include "ggc.h".
22918 (arm_add_gc_roots): New function.
22919 (arm_override_options): Call it.
22920 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
22922 * arm.md (define_asm_attributes): Add a pool_range attribute.
22924 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
22926 * extend.texi (Volatiles): New node.
22928 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
22930 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
22931 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
22932 (struct ggc_any): Replace `mark' with `magic_mark'.
22933 (ggc_alloc_string): Use memcpy, not bcopy.
22934 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
22935 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
22936 (ggc_free_any): New.
22937 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
22938 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
22939 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
22940 Use IS_MARKED. Use ggc_free_any.
22942 1999-09-09 Scott Bambrough <scottb@netwinder.org>
22944 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
22946 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
22948 * toplev.c (main): Always init_ggc.
22950 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
22952 * except.c (find_all_handler_type_matches): Free the list if
22953 we found no matches.
22955 * combine.c (SUBST): Break out to a real function do_SUBST.
22956 (SUBST_INT): Likewise.
22957 * gcse.c (free_pre_mem): Free `temp_bitmap'.
22958 (pre_insert): Free `inserted'.
22959 * loop.c (basic_induction_var): Always set `location'.
22961 * function.c (expand_function_end): Add initial_trampoline as a root.
22962 * rtl.h (init_varasm_once): Declare.
22963 * toplev.c (compile_file): Call it.
22964 * ggc-simple.c (ggc_mark_string_ptr): New.
22965 (ggc_add_string_root): New.
22966 (ggc_collect): Disable collection avoidance temporarily.
22967 * ggc.h (ggc_add_string_root): Declare.
22968 * except.c (create_rethrow_ref): Use ggc_alloc_string.
22969 * optabs.c (init_libfuncs): Likewise.
22970 * varasm.c (named_section): Use ggc_alloc_string.
22971 (make_function_rtl): Likewise.
22972 (make_decl_rtl): Likewise.
22973 (assemble_static_space): Likewise.
22974 (assemble_trampoline_template): Likewise.
22975 (output_constant_def): Likewise.
22976 (force_const_mem): Likewise.
22977 (mark_const_hash_entry): New.
22978 (mark_pool_sym_hash_table): New.
22979 (mark_varasm_state): Use it.
22980 (init_varasm_once): New.
22982 * expr.h (init_one_libfunc): Declare.
22983 * optabs.c (init_one_libfunc): New.
22984 (init_optabs): Use it.
22985 * config/gofast.h: Likewise.
22986 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
22987 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
22989 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
22991 * Makefile.in (cppexp.o): Depend on cpphash.h.
22992 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
22994 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
22995 * cpplib.c (do_define): Generalise to handle poisoned definitions,
22996 redefining poisoned identifiers, etc.
22997 (do_undef): Don't allow poisoned identifiers to be undefined.
22998 (do_pragma): Add #pragma poison.
22999 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
23001 * cccp.c: Add T_POISON node type.
23002 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
23004 (do_define): Generalise to handle poisoned definitions,
23005 redefining poisoned identifiers, etc.
23006 (do_undef): Don't allow poisoned identifiers to be undefined.
23007 (do_pragma): Add #pragma poison.
23008 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
23010 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
23011 * c-pragma.h: Add ps_poison state. We now always have generic
23014 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
23016 * ggc.h (ggc_alloc): New function.
23017 (ggc_mark): Likewise.
23018 * ggc-simple.c (ggc_any): New structure.
23019 (ggc_status): Add anys.
23020 (n_anys_collected): New variable.
23021 (ggc_alloc): Define.
23022 (ggc_mark): Likewise.
23023 (ggc_collect): Collect the anys.
23025 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23027 * c-decl.c (mark_binding_level): Make static to match prototype.
23029 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
23031 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
23033 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
23035 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
23036 will use into account. Expand the max width to 5.
23039 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
23041 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
23042 for the rtx length.
23044 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
23046 * alpha.md (call value patterns): Remove the result predicates.
23048 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
23050 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
23053 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23055 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
23056 changed from extern char *, to extern PTR. Also fix typo in
23057 NEED_DECLARATION_REALLOC test.
23059 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
23061 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23063 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
23064 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
23065 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
23066 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
23068 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
23070 * cccp.c (pcfinclude): Likewise.
23072 * global.c (allocno_compare): Likewise.
23074 * haifa-sched.c (rank_for_schedule): Likewise.
23076 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
23078 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
23080 * stupid.c (stupid_reg_compare): Likewise.
23082 * tree.c (_obstack_allocated_p): Likewise.
23084 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
23086 1999-09-08 Bruce Korb autogen@linuxbox.com
23088 * Makefile.in: Give the hapless gperf user a hint about
23089 why "gperf -F" fails.
23091 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
23093 * lists.c: Include ggc.h.
23095 (init_EXPR_INSN_LIST_cache): Install it.
23097 * ggc-simple.c (init_ggc): Absorb the old init.
23098 (ggc_push_context): Use xcalloc.
23099 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
23100 (ggc_collect): Add [rvts] tags to the collection stats.
23102 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
23104 * cccp.c (main): Fix handling of -include and -imacros options.
23106 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
23108 * cpplib.c (cpp_push_buffer): Fix order of arguments.
23110 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
23112 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
23115 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
23117 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
23118 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
23119 and SET_DEST. Update comment.
23121 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23123 * config/c4x/c4x.c: Include ggc.h.
23124 (c4x_add_gc_roots): New function.
23125 (c4x_override_options): Call c4x_add_gc_roots.
23127 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
23129 * defaults.h (TARGET_ESC): Move ...
23130 * system.h: ... here, where Linas had it in the first place. Silly me.
23132 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
23134 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
23135 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
23136 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
23137 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
23138 * defaults.h (TARGET_ESC): Add default.
23140 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
23142 * configure.in: add i370-*-openedition, i370-*-mvs and
23143 i370-*-linux targets
23145 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
23147 * dsp16xxx.c: Include ggc.h
23148 (override_options): Mark GC roots.
23149 * mn10200.c: Include ggc.h.
23150 (asm_file_start): Mark GC roots.
23151 * tahoe.c: Include ggc.h.
23152 (extensible_operand): Mark GC roots.
23154 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
23156 * README: Add section discussing status of ELF ABI.
23157 * i370.c: Fix misc spelling mistakes.
23158 (i370_label_scan): Updated notes, exception handling.
23159 (i370_function_prolog): Simplify ELF stack handling.
23160 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
23161 (STACK_GROWS_DOWNWARD): ELF stack grows down.
23162 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
23163 * i370.md: (movdi): Add notes.
23164 (floatsidf2): Use stack not rtca for scratch float area.
23165 (iorsi3): Correct operand constraints.
23166 * x-oe: Restore TAROUTOPTS which are used by pax.
23168 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
23170 * rs6000.c: Include ggc.h.
23171 (rs6000_add_gc_roots): New function.
23172 (override_options): Call it.
23174 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
23176 * alpha.h (alpha_compare): New.
23177 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
23178 * alpha.c: Likewise for the definitions.
23179 (alpha_emit_conditional_branch): Update for alpha_compare.
23180 (alpha_emit_conditional_move): Likewise.
23181 * alpha.md (cmpdf, cmpdi): Likewise.
23182 (setcc patterns): Likewise. Zero alpha_compare after use.
23183 (sne): Optimize (x != 0) into (0U < x).
23185 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
23187 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
23188 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
23189 (INIT_EXPANDERS): Remove.
23190 * alpha.c: Include ggc.h.
23191 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
23192 (alpha_init_machine_status, alpha_mark_machine_status): New.
23193 (override_options): Install them.
23194 (struct machine_function): Moved to alpha.h.
23195 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
23196 (alpha_init_expanders): Remove.
23197 (alpha_return_addr): Adjust to use current_function->machine.
23198 (alpha_ra_ever_killed): Likewise.
23199 (alpha_expand_epilogue): Likewise.
23200 * alpha.md (eh_epilogue): Likewise.
23202 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
23203 Melissa O'Neill <oneill@cs.sfu.ca>
23204 Geoffrey Keating <geoffk@cygnus.com>
23206 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
23207 call-used registers (call-saved registers must still be contiguous
23208 and end with r31, of course).
23210 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
23212 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
23213 (self_promoting_type_p): Delete.
23214 (self_promoting_args_p): Move ...
23215 * c-common.c: ... here.
23216 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
23217 (simple_type_promotes_to): New.
23218 * builtins.c (lang_type_promotes_to): New.
23219 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
23220 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
23221 * c-common.h: ... here.
23222 (self_promoting_args_p, simple_type_promotes_to): Declare.
23223 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
23224 (grokdeclarator): Likewise.
23225 * tree.h (lang_type_promotes_to): Declare.
23227 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
23229 Add some machine-dependent GC roots.
23230 * sparc.c: Include ggc.h.
23231 (sparc_add_gc_roots): New function.
23232 (mark_ultrasparc_pipeline_state): Likewise.
23233 (override_options): Call sparc_add_gc_roots.
23234 * pa.c: Include ggc.h.
23235 (pa_add_gc_roots): New function.
23236 (mark_deferred_plabels): Likewise.
23237 (override_options): Call pa_add_gc_roots.
23238 * mips.c: Include ggc.h.
23239 (mips_add_gc_roots): New function.
23240 (override_options): Use it.
23242 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23244 * cpperror.c (cpp_file_line_for_message): Constify a char*.
23246 * cppexp.c (parse_number, parse_charconst, cpp_lex,
23247 cpp_parse_expr): Add static prototypes.
23248 (parse_charconst): Don't cast away const-ness.
23249 (token): Constify a char*.
23251 * cppfiles.c (file_name_list, include_hash, find_include_file,
23252 finclude, initialize_input_buffer): Constify a char*.
23253 (file_cleanup, find_position): Add static prototypes.
23255 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
23256 collect_expansion): Add static prototypes.
23257 (cpp_install, create_definition, monthnames): Constify a char*.
23259 * cpphash.h (cpp_install): Likewise.
23261 * cppinit.c (known_suffixes, default_include,
23262 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
23263 (base_name, dump_special_to_buffer, initialize_dependency_output):
23264 Add static prototypes.
23266 * cpplib.c (my_strerror): Constify a char*.
23267 (null_underflow, null_cleanup, skip_comment, copy_comment,
23268 copy_rest_of_line, handle_directive, pass_thru_directive,
23269 get_directive_token, read_line_number, cpp_print_file_and_line,
23270 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
23271 v_cpp_warning_with_line, detect_if_not_defined,
23272 consider_directive_while_skipping): Add static prototypes.
23273 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
23274 cpp_pedwarn_with_file_and_line): Constify a char*.
23276 * cpplib.h (cpp_options, include_hash, progname, definition,
23277 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
23278 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
23279 find_include_file, deps_output, include_hash): Constify a char*.
23281 * cppmain.c (progname): Constify.
23282 (main): Add prototype. Use return, not exit.
23284 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
23285 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
23286 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
23287 check_protection): Add static prototype.
23289 (progname, recognized_macrom, recognized_extern): Constify a char*.
23290 (main): Add prototype.
23292 * gen-protos.c (progname): Constify a char*.
23294 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
23296 * emit-rtl.c (free_emit_status): Take decl as a parameter.
23297 (init_emit_once): Add more GC roots.
23298 * except.c (mark_func_eh_entry): New function.
23299 (mark_eh_node): Mark false_label and rethrow_label.
23300 (init_eh): Add more GC roots.
23301 * function.c (free_after_compilation): Take decl as a paramter.
23302 Call free_stmt_status.
23303 (mark_function_state): Don't assume x_parm_reg_stack_loc is
23305 * function.h (free_after_compilation): Change prototype.
23306 (free_varasm_status): Likewise.
23307 (free_emit_status): Likewise.
23308 (free_stmt_status): New function.
23309 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
23310 Remove, replacing with ...
23311 (ggc_status): New structure.
23312 (ggc_chain): New variable.
23313 (init_gcc): Define.
23314 (ggc_push_context): New function.
23315 (ggc_pop_context): Likewise.
23316 (ggc_alloc_rtx): Adjust for use of ggc_chain.
23317 (ggc_alloc_rtvec): Likewise.
23318 (ggc_alloc_tree): Likewise.
23319 (ggc_alloc_string): Likewise.
23320 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
23321 (ggc_mark_tree): Give language-dependent code a chance to mark
23323 (ggc_mark_tree_varray): Handle empty arrays.
23324 (ggc_collect): Adjust for use of ggc_chain. Clear
23325 bytes_alloced_since_last_gc.
23326 * ggc.h (ggc_pop_context): New function.
23327 (ggc_push_context): Likewise.
23328 * print-tree.c (print_node): Don't print obstacks when GC'ing.
23329 * stmt.c (free_stmt_status): New function.
23330 (init_stmt_for_function): Clear last_expr_value.
23331 * toplev.c (rest_of_compilation): Always call free_after_compilation.
23332 Conditionalize call to ggc_collect.
23333 (main): Call init_ggc.
23334 * tree.c (push_obstacks): Do the push, even when GC'ing.
23335 (push_obstacks_nochange): Likewise.
23336 (pop_obstacks): Liekwise.
23337 * varasm.c (free_varasm_status): Take decl as a parameter.
23339 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
23341 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
23342 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
23343 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
23344 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
23346 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
23348 * pa/x-pa-mpeix: New file for the MPE port.
23350 * pa/quadlib.asm: New file for long double support.
23352 * configure.in: Add hppa1.0-*-mpeix for MPE port.
23353 * configure: Rebuilt.
23355 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
23357 * final.c (shorten_branches): Fix last change.
23359 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
23361 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
23363 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
23365 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
23368 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23370 * c-aux-info.c (concat): Don't define.
23372 * cccp.c (my_strerror): Likewise. All callers changed to use
23374 (do_include): Call xstrdup, not xmalloc/strcpy.
23375 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
23376 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
23378 * collect2.c (my_strsignal): Likewise. All callers changed to use
23380 (locatelib): Call xstrdup, not xmalloc/strcpy.
23382 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
23384 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
23386 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
23388 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
23390 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
23392 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
23394 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
23396 (find_all_handler_type_matches): Likewise. Don't check return
23398 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
23399 xmalloc, not malloc.
23400 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
23402 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
23403 (init_spec): Call xcalloc, not xmalloc/bzero.
23404 (set_spec): Call xstrdup, not save_string.
23405 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
23406 (find_a_file): Call xstrdup, not xmalloc/strcpy.
23407 (process_command): Call xstrdup, not save_string.
23408 (main): Call xcalloc, not xmalloc/bzero.
23410 * gcov.c (xmalloc): Don't define.
23411 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
23412 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
23413 (output_data): Call xcalloc, not xmalloc/bzero.
23415 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
23417 * mips-tdump.c (xmalloc): Don't define.
23418 (print_symbol): Call xmalloc, not malloc.
23419 (read_tfile): Call xcalloc, not calloc.
23421 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
23422 Don't define. All callers of xfree/my_strsignal changed to use
23423 free/strsignal instead.
23424 (allocate_cluster): Call xcalloc, not calloc.
23426 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
23427 Fix memory leak, free allocated memory.
23429 * prefix.c (translate_name): Call xstrdup, not save_string.
23430 (update_path): Likewise.
23432 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
23434 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
23435 Don't define. Callers of xfree/savestring2 changed to use
23436 free/concat instead.
23438 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
23439 (init_elim_table): Likewise.
23441 * resource.c (init_resource_info): Likewise.
23443 * stupid.c (stupid_life_analysis): Likewise.
23445 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
23446 (open_dump_file): Call concat, not xmalloc/strcpy/...
23447 (clean_dump_file): Likewise.
23448 (compile_file): Call xstrdup, not xmalloc/strcpy.
23450 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
23452 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
23453 * v850.c (v850_va_arg): New.
23455 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23457 * haifa-sched.c: Tidy comments.
23459 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23461 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
23462 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
23463 $(out_object_file)): Depend on ggc.h.
23464 * c-common.c: Include "ggc.h".
23465 (combine_strings): If doing GC, use ggc_alloc_string.
23466 * c-decl.c: Include "ggc.h".
23467 (ggc_p): Define with value 0.
23468 (mark_binding_level): New function.
23469 (init_decl_processing): Add GC roots.
23470 (mark_c_function_context): New function.
23471 (lang_mark_false_label_stack): New function.
23472 (lang_mark_tree): New function.
23473 (lang_cleanup_tree): New function.
23474 * c-lang.c: Include "ggc.h".
23475 (lang_init): Call c_parse_init.
23476 * c-lex.c: Include "ggc.h".
23477 (check_linenum): If doing GC, don't copy filenames to permanent
23479 * c-parse.in: Include "ggc.h".
23480 (c_parse_init): New function.
23481 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
23482 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
23484 * except.c (mark_eh_state): Mark more state.
23485 * function.c (mark_function_state): Likewise.
23486 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
23487 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
23488 * toplev.c (mark_file_stack): New function.
23489 (compile_file): If doing GC, use ggc_alloc_string on input filename.
23490 (main): Add root for input_file_stack.
23492 * i386.c: Include "ggc.h".
23493 (ix86_mark_machine_status): New function.
23494 (override_options): Set mark_machine_status.
23496 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23498 * tree.c (copy_node): Copy node contents also if doing GC.
23500 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
23502 * collect2.c (scan_libraries): Fix double-thinko :-).
23504 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
23506 * collect2.c (scan_libraries): Fix thinko.
23508 * cse.c (delete_trivially_dead_insns): Do not skip the last
23509 insn if it is a real insn.
23511 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
23513 * Makefile.in (ggc-simple.o): Depend on hash.h.
23514 * ggc.h (ggc_add_tree_hash_table_root): Declare.
23515 (ggc_mark_tree_varray): Likewise.
23516 (ggc_mark_tree_hash_table): Likewise.
23517 * ggc-simple.c: Include hash.h.
23518 (ggc_mark_tree_hash_table_ptr): New function.
23519 (ggc_mark_tree_hash_table_entry): Likewise.
23520 (ggc_mark_tree_hash_table): Likewise.
23521 (ggc_add_tree_hash_table_root): Likewise.
23522 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
23523 rtx, when defining fields.
23525 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
23527 * profile.c (output_func_start_profiler): Remove apparently
23528 nonsensical call to start_sequence.
23530 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
23532 * clipper/clipper.c (clipper_va_start): Fix typos.
23534 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
23535 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
23536 (spur_va_arg): New stub.
23538 * configure.in: Comment out pyramid.
23540 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
23542 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
23543 don't conflict with the bits that win32, cygwin, and dgux
23546 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
23547 Bernd Schmidt <bernds@cygnus.co.uk>
23549 * integrate.c (function_cannot_inline_p): Do not inline
23550 functions with forced labels.
23552 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
23553 Bernd Schmidt <bernds@cygnus.co.uk>
23554 Mark Mitchell <mark@codesourcery.com>
23556 * Makefile.in (ggc-simple.o): Depend on varray.h.
23557 (rtl.o): Depend on ggc.h.
23558 (genattrtab.o): Depend on ggc.h.
23559 (print-tree.o): Likewise.
23560 (fold-const.o): Likewise.
23561 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
23562 (make_insn_raw): Don't cache insns when GC'ing.
23563 (emit_insn_before): Likewise.
23564 (emit_insn_after): Likewise.
23565 (emit_insn): Likewise.
23566 (start_sequence): Use xmalloc to allocate the sequence_stack.
23567 (end_sequence): Add free to free it.
23568 (gen_sequence): Don't cache insns when GC'ing.
23569 (clear_emit_caches): Don't use sequence_element_free_list.
23570 (init_emit): Use xcalloc, not xmalloc+bzero.
23571 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
23572 * function.c (pop_function_context_from): Use free to free the
23573 fixup_var_refs_queue.
23574 (put_reg_into_stack): Allocate it with xmalloc.
23575 * genattrtab.c: Include ggc.h.
23576 (operate_exp): Don't use obstack_free when GC'ing.
23577 (simplify_cond): Likewise.
23578 (simplify_text_exp): Likewise.
23579 (optimize_attrs): Likewise.
23580 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
23582 (gencode): Generate a #include for ggc.h.
23583 * ggc-callbacks.c (ggc_p): Define it to zero.
23584 * ggc-none.c (ggc_p): Likewise.
23585 * ggc-simple.c: Include varray.h.
23586 (ggc_mark_tree_varray): New function.
23587 (ggc_add_tree_varray_root): Likewise.
23588 (ggc_mark_tree_varray_ptr): Likewise.
23589 * ggc.h (ggc_p): Declare.
23590 (varray_head_tag): Likewise.
23591 (ggc_add_tree_varray_root): Declare.
23592 * print-tree.c (print_node): Don't check for TREE_PERMANENT
23593 inconsistencies when GC'ing.
23594 * rtl.c: Include ggc.h.
23595 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
23596 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
23597 (rtx_free): Don't call obstack_free when GC'ing.
23598 * toplev.c (rest_of_compilation): Call ggc_collect after every
23600 * tree.c (push_obstacks): Do nothing, if GC'ing.
23601 (pop_obstacks_nochange): Likewise.
23602 (pop_obstacks): Likewise.
23603 (make_node): Use ggc_alloc_tree when GC'ing.
23604 (copy_node): Likewise.
23605 (get_identifier): Use ggc_alloc_string when GC'ing.
23606 (build_string): Likewise.
23607 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
23608 (tree_cons): Likewise.
23609 (build1): Likewise.
23610 (type_hash_canon): Don't call obstack_free when GC'ing.
23612 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
23614 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
23615 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
23617 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
23618 Bernd Schmidt <bernds@cygnus.co.uk>
23619 Mark Mitchell <mark@codesourcery.com>
23621 * Makefile.in (stor-layout.o): Depend on ggc.h.
23622 (expr.o): Depend on ggc.h.
23623 (profile.o): Depend on ggc.h.
23624 (stor-layout.o): Depend on ggc.h.
23625 * emit-rtl.c (init_emit_once): Add gc roots.
23626 * expr.c: Include ggc.h.
23627 (emit_block_move): Add gc roots.
23628 (clear_storage): Likewise.
23629 * expr.h (init_stor_layout_once): New function.
23630 * profile.c: Include ggc.h.
23631 (init_arc_profiler): profiler_label is a root.
23632 * scan.c (make_sstring_space): Trust xrealloc to function
23633 correctly with first parameter NULL.
23634 * stor-layout.c: Include ggc.h.
23635 (set_sizetype): Add gc root.
23636 (init_stor_layout_once): New function.
23637 * toplev.c (compile_file): Call it.
23639 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
23640 Bernd Schmidt <bernds@cygnus.co.uk>
23641 Mark Mitchell <mark@codesourcery.com>
23643 * Makefile.in (tree.o): Depend on ggc.h.
23644 (varasm.o): Likewise.
23645 (function.o): Likewise.
23646 (stmt.o): Likewise.
23647 (except.o): Likewise.
23648 (optabs.o): Likewise.
23649 (emit-rtl.o): Likewise.
23650 * emit-rtl.c: Include ggc.h.
23651 (sequence_element_free_list): Remove, and all references.
23652 (mark_sequence): New functions.
23653 (mark_emit_state): New function.
23654 * except.c: Include ggc.h.
23655 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
23656 (mark_tree_label_node): New functions.
23657 (mark_eh_state): New function.
23658 * function.c: Include ggc.h.
23659 (mark_temp_slot, mark_function_chain): New functions.
23660 (mark_function_state): New function.
23661 (init_function_once): New function.
23662 * function.h (init_function_once): New function.
23663 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
23664 * ggc.h (label_node): Declare.
23665 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
23666 (lang_mark_false_label_stack): New function.
23667 (mark_temp_slot): Remove declaration.
23668 (mark_function_chain): Likewise.
23669 (mark_eh_state): Adjust prototype.
23670 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
23672 * optabs.c: Include ggc.h.
23673 (mark_optab): New function.
23674 (init_optabs): Add gc roots.
23675 * stmt.c: Include ggc.h.
23676 (mark_cond_nesting, mark_loop_nesting): New functions.
23677 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
23678 (mark_stmt_state): New function.
23679 * toplev.c (compile_file): Call init_function_once.
23680 * tree.c: Include ggc.h.
23681 (type_hash): Move declaration earlier in file.
23682 (TYPE_HASH_SIZE, type_hash_table): Likewise.
23683 (init_obstacks): Add gc roots.
23684 (mark_type_hash): New function.
23685 * varasm.c: Include ggc.h.
23686 (mark_pool_constant): New function.
23687 (mark_varasm_state): New function.
23689 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23691 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
23693 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23695 * c-decl.c (struct language_function): Renamed from struct c_function.
23697 (c_function_chain): Delete.
23698 (push_c_function_context): New arg F. Don't warn about nested
23699 functions here. Fill LANGUAGE elt of F. Delete code to update
23700 c_function_chain. Don't call push_function_context.
23701 (pop_c_function_context): New arg F. Restore from there instead of
23702 from c_function_chain. Don't call pop_function_context. Clear out
23703 LANGUAGE field of F when done.
23704 * c-lang.c: Include "function.h"
23705 (lang_init): Initialize save_lang_status and restore_lang_status.
23706 * c-parse.in (nested_function, nested_function_notype): Warn about
23707 nested functions. Call push_function_context/pop_function_context
23708 instead of the _c_ variants.
23709 * c-tree.h (push_c_function_context, pop_c_function_context): Update
23711 * Makefile.in (c-lang.o): Update dependencies.
23713 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
23714 regno_pointer_flag, regno_pointer_align.
23715 (gen_reg_rtx): Use xrealloc to enlarge them.
23716 (free_emit_status): New function.
23717 * function.c (mark_machine_status, mark_lang_status): New variables.
23718 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
23719 in some bits from assign_stack_local. All callers changed to use new
23721 (assign_stack_local): Just call assign_stack_local_1.
23722 (free_after_compilation): New function.
23723 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
23724 (trampoline_address): Likewise.
23725 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
23726 (prepare_function_start): Explicitly clear some more variables.
23727 * function.h (struct function): New elt can_garbage_collect.
23728 (mark_machine_status, mark_lang_status): Declare variables.
23729 (free_after_compilation, free_emit_status, free_varasm_status,
23730 init_varasm_status): Declare functions.
23731 * toplev.c (rest_of_compilation): Call free_after_compilation when
23732 done with the current function.
23733 * varasm.c (free_varasm_status): New function.
23735 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
23737 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
23738 (EXPAND_BUILTIN_VA_ARG): Define.
23739 * sparc.c (sparc_va_start): New.
23740 (sparc_va_arg): New.
23742 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23744 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
23746 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23748 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
23750 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
23752 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
23753 (OBJS): Add $(GGC).
23754 (ggc-callbacks.o): New target.
23755 * ggc-callbacks.c: New file.
23757 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23759 * expr.h: Collapse individual optab and libfunc vars to arrays.
23760 (optab_index, libfunc_index): New enumerations.
23761 (optab_table, libfunc_table): New arrays.
23762 Add accessor macros for both.
23764 * optabs.c (optab_table, libfunc_table): New.
23765 Delete declarations for individual optab and libfunc vars.
23767 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
23769 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
23771 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
23773 * Makefile.in (GGC, GGC_LIB): New.
23774 (HOST_RTL): Include ggc-none.o.
23775 (ggc-simple.o): New target.
23776 (ggc-none.o): Likewise.
23777 * tree.h (tree_common): Add gc_mark.
23778 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
23779 (struct rtvec_def): Add gc_mark.
23780 * emit-rtl.c (global_rtl): Update static initializers to contain
23781 enough initializers.
23782 * ggc.h, ggc-none.c, ggc-simple.c: New files.
23783 * toplev.c (gc_time): New variable.
23784 (all_time): New variable.
23785 (compile_file): Print gc time.
23786 (print_time): Calculate percentage of the whole.
23788 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23790 Change obstack memory management and varasm constant pool handling so
23791 that nested functions are treated like any other functions.
23792 * function.c (init_machine_status): New variable.
23793 (push_function_context_to): Set contains_functions for the outer
23794 function. Don't call save_varasm_status.
23795 (pop_function_context_from): Don't call restore_varasm_status. Don't
23796 set current_function_contains_functions.
23797 (prepare_function_start): Call init_varasm_status rather than
23798 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
23800 * function.h (struct function) Add field varasm. Delete fields
23801 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
23802 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
23803 (init_machine_status): Declare.
23804 (save_varasm_status, restore_varasm_status): Delete declarations.
23805 (save_tree_status, restore_tree_status): Delete last argument.
23806 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
23807 code. All callers changed.
23808 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
23809 save_constants_in_decl_trees, restore_constants, save_constants,
23810 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
23812 (inlining): New variable.
23813 (reg_map, label_map, insn_map, orig_asm_operands_vector,
23814 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
23816 (save_for_inline_nocopy): Don't save constants.
23817 Don't set inl_emit field in current_function.
23818 (expand_inline_function): Use emit field, not inl_emit, of the inlined
23819 function. Set new variable inlining before
23820 calling copy_rtx_and_substitute.
23821 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
23822 constant pool references if inlining is nonzero.
23823 Delete ADDRESS and (most of the) CONST cases.
23824 (output_inline_function): Save and restore current_function/
23825 current_function_decl. Delete restore_constants code. Don't call
23826 init_const_rtx_hash_table.
23827 * output.h (init_const_rtx_hash_table): Don't declare.
23828 * rtl.h (struct function): Declare.
23829 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
23830 * toplev.c (rest_of_compilation): Don't treat nested functions or
23831 functions containing them specially. Delete all code to deal with
23832 save_for_inline_copying.
23833 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
23834 inline_obstacks): Delete variables.
23835 (save_tree_status): Lose arg CONTEXT. All callers changed.
23836 Simply allocate a new function_maybepermanent_obstack for the new
23837 function, delete all the special cases.
23838 Don't save inline_obstacks.
23839 (restore_tree_status): Lose arg CONTEXT. All callers changed.
23840 Delete special handling for function_maybepermanent_obstack; simply
23842 Don't restore inline_obstacks.
23843 (permanent_allocation): Delete code that frees inline_obstacks.
23844 (print_inline_obstack_statistics): Delete function.
23845 (dump_tree_statistics): Don't call it.
23846 * varasm.c (struct varasm_status): New.
23847 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
23848 last_pool, pool_offset, const_double_chain): Delete global
23849 variables, replace with accessor macros.
23850 (immed_double_const): Don't walk const_double_chain outside a
23851 function, but don't treat nested functions specially anymore.
23852 (immed_real_const_1): Likewise.
23853 (clear_const_double_mem): Don't treat nested functions specially.
23854 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
23855 (save_varasm_status, restore_varasm_status): Delete functions.
23856 (init_varasm_status): New function.
23857 (force_const_mem): Don't treat nested functions specially.
23858 (find_pool_constant): Accept new arg F, search for constants in
23859 that function's pool rather than the current one. All callers
23861 (get_pool_constant_for_function, get_pool_mode_for_function): New
23864 * i386.c (init_386_machine_status): New function, mostly from
23865 clear_386_stack_locals.
23866 (struct machine_functions): Rename element names to avoid name
23868 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
23869 macros, replacing global variables.
23870 (clear_386_stack_locals, save_386_machine_status,
23871 restore_386_machine_status): Delete functions.
23872 (override_options): Initialize init_machine_status.
23873 * i386.h (INIT_EXPANDERS): Delete macro.
23874 (save_386_machine_status, restore_386_machine_status,
23875 clear_386_stack_locals): Delete declarations.
23877 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23879 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
23880 (doloop_begin): Simplify pattern and use emit_jump_insn.
23881 (doloop_end): Simplify pattern, switch operand order,
23882 and use emit_jump_insn.
23884 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
23886 * function.h (struct function): Add new element LANGUAGE.
23887 (save_lang_status): Declare new variable.
23888 (restore_lang_status): Likewise.
23889 * function.c (save_lang_status): Define.
23890 (restore_lang_status): Likewise.
23891 (push_function_context_to): Call language-specific save function.
23892 (pop_function_context_from): Call language-specific restore function.
23894 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
23896 * i386.md (movsf_1): Check REG_P before use of REGNO.
23897 (movdf_1): Likewise.
23898 (movxf_1): Likewise.
23899 (extendsfdf2): Likewise.
23900 (extendsfxf2): Likewise.
23901 (extenddfxf2): Likewise.
23903 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23905 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
23906 constants into memory.
23907 (c4x_shiftable_constant): New function.
23908 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
23909 (c4x_shiftable_constant): Declare.
23910 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
23911 ashlqi3_noclobber): Add new patterns and associated splitters.
23913 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
23915 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
23916 * dwarf2out.c (dwarf2out_frame_init): Likewise.
23917 * final.c (shorten_branches): Likewise.
23918 * global.c (global_alloc): Likewise.
23919 * haifa-sched.c (build_control_flow): Likewise.
23920 * stmt.c (check_for_full_enumeration_handling): Likewise.
23921 (estimate_case_costs): Likewise.
23923 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
23925 * rtl.h (RTL_CHECKC2): Fix typo in last change.
23927 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
23929 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
23930 (recompute_reg_usage): Likewise.
23931 * rtlanal.c (find_regno_fusage): Likewise.
23933 * rtl.c (rtl_check_failed_code1): New function.
23934 (rtl_check_failed_code2): New.
23935 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
23936 (RTL_CHECKC1, RTL_CHECKC2): New.
23937 (XC*): New accessor macros.
23938 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
23939 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
23940 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
23941 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
23942 (TRAP_*, RANGE_INFO_*): Likewise.
23944 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23946 * Makefile.in (tlink.o): Don't depend on toplev.h.
23948 * collect2.c (c_file, o_file, export_file, import_file, ldout,
23949 output_file, nm_file_name, ldd_file_name, strip_file_name,
23950 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
23951 add_prefix, prefix_from_env, prefix_from_string, do_wait,
23952 fork_execute, maybe_unlink, add_to_list,
23953 extract_init_priority, write_list, dump_list,
23954 dump_prefix_list, write_list_with_asm, write_c_file,
23955 write_c_file_stat, write_c_file_glob, scan_prog_file,
23956 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
23957 ignore_library, extract_string, notice, dump_file, target_machine,
23958 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
23959 read_file, print_load_command): Constify a char*.
23960 (fdopen, error, fatal, fatal_perror): Don't prototype.
23961 (my_strerror): Remove. All callers use xstrerror instead.
23962 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
23963 (main): Add prototype. Constify lots of char* ptrs. Change calls
23964 to xcalloc/strcpy/strcat/... to one call to concat.
23965 (main, scan_prog_file, scan_libraries): Use an intermediate
23966 `const char **' to build an argv array.
23967 (mapfile, libselect, libcompare, locatelib): Add prototypes.
23969 * collect2.h (collect_execute, collect_wait, dump_file,
23970 file_exists): Constify a char*.
23971 (ldout, c_file_name, temporary_obstack, permanent_obstack,
23972 temporary_firstobj, vflag, debug): Add extern declarations.
23973 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
23975 * tlink.c: Don't include toplev.h.
23976 (vflag, debug, ldout, c_file_name, temporary_obstack,
23977 permanent_obstack, temporary_firstobj): Don't declare.
23978 (tlink_execute, frob_extension, symbol_hash_lookup,
23979 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
23980 recompile_files, read_repo_files, demangle_new_symbols,
23981 scan_linker_output): Constify a char*.
23982 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
23983 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
23985 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
23987 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
23988 (relative) rather than jsr (absolute) subroutine call insns.
23989 * config/m68k/m68k-coff.h: Ditto.
23991 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
23993 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
23994 now rework these too.
23995 (arm_reorg): If an insn can't reach the end of the current pool,
23996 ensure that we emit that pool before the insn.
23998 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
24000 * tlink.c (scan_linker_output): Skip the initial underscore in
24001 a mangled name if appropriate.
24003 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24005 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
24006 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
24007 error_with_ivar, gen_declarator, create_builtin_decl,
24008 my_build_string, generate_descriptor_table, generate_ivars_list,
24009 generate_dispatch_table, check_protocols, TAG_GETCLASS,
24010 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
24011 dump_base_name, lang_decode_option, build_encode_expr,
24012 start_class, finish_class, encode_pointer, really_start_method,
24013 gen_declaration, dump_interface, handle_class_ref, handle_impent):
24015 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
24016 Add static prototypes.
24017 (build_objc_string_decl, build_selector_reference_decl,
24018 encode_bitfield, build_class_reference_decl): Remove unused
24019 parameter, all callers changed.
24020 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
24021 (objc_printable_name): Likewise. Change second parameter to type int.
24022 (init_objc): Use memcpy, not bcopy, to avoid casts.
24024 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
24026 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
24027 reg notes on a deleted insn.
24028 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
24030 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
24032 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
24034 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24036 * stmt.c (expand_asm_operands): Fix index into inout_mode when
24039 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
24041 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
24042 * tm.texi (MD_ASM_CLOBBERS): Document it.
24044 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
24046 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
24047 * except.c (expand_rethrow): Remove unused variable.
24048 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
24049 * flow.c (replace_insns): Likewise.
24050 (create_edge_list, verify_edge_list): Likewise.
24051 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
24053 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
24054 is special code to run.
24055 (main): Don't define operands to emit_operand.
24056 * genrecog.c (main): Don't emit an empty peephole2_insn function.
24058 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
24060 * alpha/alpha.h (normal_memory_operand): Declare.
24061 (reg_no_subreg_operand): Declare.
24062 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
24064 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
24066 * c-parse.in (compstmt_primary_start): New, broken out of first
24067 part of compstmt handling in primary.
24068 (primary): Use it. Add an error clause.
24069 (compstmt_nostart): Renamed from compstmt; remove all
24070 initial invocations of compstmt_start.
24073 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
24075 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
24078 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
24080 * combine.c (simplify_shift_const): Remove extra semicolon.
24081 * dwarf2out.c (remove_AT): Likewise.
24082 * expmed.c (expand_mult): Likewise.
24083 * gcov.c (create_program_flow_graph): Likewise.
24084 * reorg.c (mostly_true_jump): Likewise.
24086 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
24088 * fold-const.c (fold_range_test): Do not try to fold the range
24089 test if the rhs or lhs has side effects.
24091 * combine.c (simplify_rtx): Recognize another case of a synthesized
24094 * varasm.c (mark_constant_pool): When marking indirect references,
24095 only look at SYMBOL_REFs.
24097 * except.c (expand_fixup_region_end): Do not peek at
24098 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
24100 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
24102 * flags.h: New variables align_loops, align_loops_log,
24103 align_jumps, align_jumps_log, align_labels, align_labels_log,
24104 align_functions, align_functions_log.
24105 * toplev.c: Define them.
24106 (f_options): Handle -falign-* when they have no argument.
24107 (main): Add logic to set variables for -falign-functions,
24108 -falign-jumps, -falign-labels, -falign-loops.
24109 Make it -fsched-verbose=<n> and -finline-limit=<n>.
24110 (display_help): Change help to match options.
24111 * final.c (LABEL_ALIGN): Default to align_labels_log.
24112 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
24113 (LOOP_ALIGN): Default to align_loops_log.
24114 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
24115 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
24116 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
24117 * varasm.c (assemble_start_function): Handle align_functions.
24119 * config/sparc/sparc.h: Don't declare sparc_align_*.
24120 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
24121 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
24123 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
24125 * config/sparc/sparc.c: Delete sparc_align_loops,
24126 sparc_align_jumps, sparc_align_funcs and the corresponding string
24128 (sparc_override_options): Default align_functions on ultrasparc.
24129 Delete -malign-* handling.
24131 * config/mips/mips.c (override_options): On 64-bit targets,
24132 try to align code to 64-bit boundaries.
24133 (print_operand): New substitution, %~,
24134 which aligns labels to align_labels_log.
24135 * config/mips/mips.md (div_trap_normal): Use %~.
24136 (div_trap_mips16): Likewise.
24138 (absdi2): Likewise.
24139 (ffssi2): Likewise.
24140 (ffsdi2): Likewise.
24141 (ashldi3_internal): Likewise.
24142 (ashrdi3_internal): Likewise.
24143 (lshrdi3_internal): Likewise.
24144 (casesi_internal): Likewise.
24146 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
24148 Merge new ia32 backend from the branch!
24150 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
24151 See ChangeLog.P2 on new_ia32_branch for details.
24153 * rtl.h (stack_regs_mentioned_p): Delete prototype.
24154 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
24155 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
24156 * i386/gas.h (ASM_FILE_START): Define.
24157 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
24158 for name change of ix86_valid_decl_attribute_p.
24159 (i386_pe_valid_type_attribute_p): Similarly.
24161 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
24163 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
24164 to step through CC modes.
24166 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24168 * regmove.c (fixup_match_1): Don't move INSN in front of P if
24169 it would end up in the shadow of a live flags regsiter.
24171 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24173 * reload1.c: Fix many indentation problems.
24174 * reload.c: Likewise.
24176 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
24178 * alias.c (non_local_reference_p): Constify fmt.
24180 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
24182 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
24184 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
24186 * cse.c (delete_trivially_dead_insns): Do not delete stores to
24187 the internal_arg_pointer.
24189 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
24191 Merge peephole2 from new_ia32_branch:
24192 * Makefile.in (STAGESTUFF): Add *.peephole2.
24193 (mostlyclean): Likewise.
24194 (recog.o): Depend on resource.h.
24196 * final.c (peephole): Conditionalize decl on HAVE_peephole.
24197 (final_scan_insn): Likewise for the invocation of peephole.
24198 * genconfig.c (main): Look for peephole and peephole2 patterns.
24199 Emit HAVE_peephole* accordingly.
24200 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
24201 * flags.h (flag_peephole2): Declare.
24202 * toplev.c: New pass peephole2. New flag -fpeephole2.
24204 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
24205 * gencodes.c (main): Likewise.
24206 * genextract.c (main): Likewise.
24207 * genoutput.c (main): Likewise.
24208 * genemit.c (max_operand_1): Look for the max scratch operand.
24209 (gen_rtx_scratch): New.
24210 (gen_exp): Use it, and pass on new arg subroutine_type.
24211 (gen_expand): Take max scratch into account.
24212 (gen_split): Emit peephole2 functions.
24213 (output_peephole2_scratch): New.
24214 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
24215 * genrecog.c (routine_type): Add PEEPHOLE2.
24217 (make_insn_sequence): Match outer parallel for peep2. Discard
24218 top level scratches and dups.
24219 (add_to_sequence): New args insn_type and top. Update all callers.
24220 Handle toplevel peep2 matching insns.
24221 (write_subroutine): Handle peep2.
24222 (write_tree_1): Likewise.
24223 (write_tree): Likewise.
24225 (change_state): New arg afterward. Update all callers.
24226 Handle matching separate insns.
24227 * recog.c (recog_next_insn): New.
24228 (peephole2_optimize): New.
24229 * rtl.def (DEFINE_PEEPHOLE2): New.
24230 * resource.c (find_free_register): New argument last_insn. Use it
24231 to find a register available through the entire span.
24232 * resource.h (find_free_register): Update prototype.
24234 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
24236 * i386.c (output_strlen_unroll): Don't write xops[7]
24237 label if it wasn't set.
24239 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
24241 * cpplib.c (struct directive): Const-ify name pointer and
24242 function pointer prototype.
24243 (validate_else, do_define, do_line, do_include, do_undef,
24244 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
24245 do_elif, do_endif, do_sccs, do_assert, do_unassert,
24246 do_warning): Const-ify second arg.
24247 (directive_table): Mark const. Reorder entries by frequency
24248 of usage, record statistics.
24250 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
24252 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
24253 bounds- check RTL accesses if --enable-checking.
24254 (RTVEC_ELT): Bounds check if --enable-checking.
24255 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
24256 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
24257 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
24259 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
24260 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
24262 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
24263 (NOTE_SOURCE_FILE): Use X0STR.
24264 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
24265 MEM_ALIAS_SET): Use X0INT.
24266 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
24267 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
24269 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
24270 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
24271 (rtl_check_failed_bounds, rtl_check_failed_type1,
24272 rtl_check_failed_type2, rtvec_check_failed_bounds): New
24274 (fancy_abort): Fix comment.
24276 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
24277 (cse_insn): Decrement LABEL_NUSES for jump target before
24278 deleting jump insn.
24279 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
24280 * final.c (alter_subreg): Compute regno before changing x to
24281 REG; set REGNO(x) after changing it.
24282 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
24283 notes containing CONST_INTs.
24284 (delete_eh_regions): Use NOTE_EH_HANDLER.
24285 * function.c (put_reg_into_stack): Make reg a MEM before
24287 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
24289 (gen_mem_addressof): Make reg a MEM before initializing it.
24290 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
24292 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
24293 deleting an insn, not after.
24294 (block_alloc): Only look at PATTERN(insn) if we have to, and
24295 only if it's format class 'i'.
24296 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
24297 CONST_INT before using its INTVAL.
24298 * print-rtl.c (print_rtx): Use X0STR.
24299 * regmove.c (fixup_match_1): Don't look at PATTERN of
24300 non-class-'i' insn chain elements.
24301 * reload.c (loc_mentioned_in_p): Take address of
24302 in->fld[1].rtx directly.
24303 * reload1.c (reload): Change reg to a MEM before initializing
24305 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
24307 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
24309 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
24311 * config/mips/mips.c (machine_dependent_reorg): Force a
24312 barrier to output the local constant pool if a barrier hasn't
24313 been found at a natural point in the instruction stream.
24315 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24317 * c-parse.in (language_string): Constify.
24319 * dwarf2out.c (language_string): Remove declaration.
24321 * dwarfout.c (language_string): Likewise.
24323 * toplev.c (language_string, init_parse, finish_parse): Likewise.
24325 * tree.h (language_string, init_parse, finish_parse): Declare.
24327 * i386/sun386.h (language_string): Remove declaration.
24329 * mips.h (language_string): Likewise.
24331 * nextstep.h (language_string): Likewise.
24333 * nextstep21.h (language_string): Likewise.
24335 * rs6000.c (language_string): Likewise.
24337 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24339 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
24340 (getpwd.o): Remove target.
24342 * getpwd.c: Delete file. Its in libiberty now.
24344 * dbxout.c (getpwd): Don't prototype.
24345 * dwarf2out.c (getpwd): Likewise
24346 * dwarfout.c (getpwd): Likewise
24347 * final.c (getpwd): Likewise.
24348 * protoize.c (getpwd): Likewise.
24350 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24352 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
24354 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
24356 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
24357 mark_set_resources.
24359 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
24361 * fixinc/Makefile.in (subdir): New.
24362 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
24365 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
24367 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
24368 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
24371 * invoke.texi: Fix typo.
24373 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
24374 changed. Handle autoincrement addressing modes.
24376 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
24377 just like we would the virtual incoming args register when
24380 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
24382 * rs6000.h (ASM_FILE_START): Specify complete filename, including
24383 path, in .file directive.
24385 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
24387 * gcc.texi (External Bugs): Remove obsolete note about Perl on
24390 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
24392 * stdbool.h: Make the typedef name _Bool, with bool a #defined
24395 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24397 * tree.c (tree_code_name): Constify a char*.
24399 * tree.h (tree_code_name, decl_printable_name): Likewise.
24401 * function.h (struct function): Likewise.
24403 * toplev.c (decl_name, decl_printable_name): Likewise.
24405 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
24407 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
24408 (init_objc): Remove function pointer cast.
24410 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
24412 * pa.md (interspace_jump): New pattern.
24413 (builtin_longjmp): New expander.
24415 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
24417 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
24418 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
24419 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
24421 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
24423 * jump.c (delete_prior_computation): Also check calls
24424 to constant functions. Don't bother checking for a
24425 REG_UNUSED note before adding it.
24426 (delete_computation): Handle multi-word hard registers
24427 when synthesizing missing REG_DEAD notes for a register
24428 which is both set and used by an insn.
24430 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
24432 * loop.c (this_loop_info): New variable.
24433 (loop_has_call, loop_has_volatile, loop_has_tablejump,
24434 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
24436 (prescan_loop, strength_reduce): New argument loop_info. All callers
24438 (scan_loop): New variable loop_info, initialise to address of
24440 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
24441 Delete variable loop_has_multiple_exit targets and replace with
24442 field in this_loop_info.
24443 (find_and_verify_loops): Rename this_loop to this_loop_num.
24444 (strength_reduce): Delete loop_iteration_info. Replace variable
24445 loop_info with function argument of same name.
24446 (insert_bct): Rework test for loop being completely unrolled.
24448 * loop.h (struct loop_info): New fields num, loops_enclosed,
24449 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
24450 has_indirect_jump, and cont. Redefine use of unroll_number.
24451 (loop_unroll_number): Delete.
24453 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
24454 field of loop_info.
24455 (loop_iterations): Delete variable vtop and instead use
24456 loop_info->vtop computed in prescan_loop.
24458 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
24460 * fix-header.c (main): Do not pass a null pointer to strcmp.
24462 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
24464 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
24466 * configure: Rebuilt.
24468 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
24470 * jump.c (jump_optimize_1): Do not delete assignments to
24471 internal_arg_pointer.
24472 * cse.c (delete_trivially_dead_insns): Always consider a set of
24473 the internal_arg_pointer live.
24475 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
24477 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
24478 (update_life_info) [REG_WAS_0]: Search the original insns rather
24479 than the new insns for the note. Fix typos finding note_dest.
24480 If no dest found, discard the note rather than abort.
24481 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
24482 (replace_insns): Remove the old insn list after update_life_info
24485 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
24487 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
24488 sched_analyze_insn.
24489 (sched_analyze_1): Let add_dependence care for not adding dups.
24490 (sched_analyze_2): Likewise.
24491 (add_branch_dependences): Likewise.
24493 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
24495 * i386/winnt.c (export_list): New type.
24496 (exports_head): Rename to
24497 (export_head): this.
24498 (i386_pe_record_exported_symbol): Add is_data flag.
24499 (i386_pe_asm_file_end): Emit directive for exported variables.
24500 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
24502 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
24503 (ASM_DECLARE_OBJECT_NAME): Likewise.
24504 (ASM_DECLARE_FUNCTION_NAME): Likewise.
24505 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
24507 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
24509 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
24511 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
24514 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
24516 * config/openbsd.h: Define SET_ASM_OP.
24517 * tm.texi: cross-reference SET_ASM_OP in the index.
24519 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
24521 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
24522 for a CONST_DOUBLE, at compile time. Initialize rtx_length
24523 and class_narrowest_mode at compile time. Kill init_rtl.
24524 Mark rtx_length, mode_class, mode_size, mode_unit_size,
24525 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
24526 rtx_format as const. Kill all references to EXTRA_CC_MODES or
24528 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
24530 * rtl.h: Declare rtx_length and rtx_format as const.
24531 * machmode.def: Define CC(). Use CC() to define CCmode. If
24532 EXTRA_CC_MODES is defined, expand it here.
24533 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
24534 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
24535 const. Kill all references to EXTRA_CC_MODES.
24537 * toplev.c: Don't prototype or call init_rtl.
24538 * optabs.c: Don't call init_mov_optab.
24539 * genemit.c: Don't generate init_mov_optab. Don't call
24541 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
24543 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
24544 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
24545 genrecog.c: Don't call init_rtl.
24547 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
24548 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
24549 definition of EXTRA_CC_MODES.
24551 * md.texi: Kill ref to EXTRA_CC_NAMES.
24552 * tm.texi: Document new way to define EXTRA_CC_MODES.
24554 * genrecog.c: Do not look up the name of a define_split.
24555 (Unrelated bugfix.)
24557 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
24559 * config/v850/v850.md: Fix typo introduced by previous delta.
24561 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24563 * gcc.c (fatal): Make definition static to match prototype.
24565 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24567 * combine.c (get_last_value): Don't look for earlier sets if the last
24568 known set is somewhere in between the insns being combined.
24570 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
24572 * configure.in: Don't use shell ! to negate exit codes
24573 * configure: Regenerate
24575 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
24577 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
24578 the fact that ALIGN is measured in bits, not bytes.
24580 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
24582 * errors.c: New file; defines functions error, warning, and
24583 fatal, variables have_error and progname.
24584 * errors.h: New file; prototypes and decls for stuff in errors.c.
24586 * Makefile: Add rules to build errors.o and
24587 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
24588 genopinit, genrecog, genextract, genpeep, genattr, and
24589 genoutput with errors.o. Add errors.h to deps of genconfig.o,
24590 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
24591 genpeep.o, genattr.o, and genoutput.o.
24593 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
24594 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
24595 define or prototype fatal. Set progname at beginning of main.
24596 * genoutput.c: Likewise, and don't define or prototype error
24599 * c-typeck.c (c_expand_start_case): Return immediately if exp
24601 * fold-const.c (operand_equal_p): Return immediately if arg1
24602 or arg0 are ERROR_MARKs.
24603 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
24604 fields of type ERROR_MARK when calculating if the record can
24607 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
24608 with much help from Jeffrey A Law and Richard Henderson
24610 * i386.md: In the 6 insns which call output_fix_trunc,
24611 earlyclobber operands[0].
24613 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
24615 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
24616 creating new registers.
24618 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
24620 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
24621 i386_reg_alloc_order, i386_regparm_string,
24622 i386_align_loops_string, i386_align_jumps_string,
24623 i386_align_funcs_string, i386_preferred_stack_boundary_string,
24624 and i386_branch_cost_string as type "const char *".
24625 * i386.c: Define all above strings as type "const char *".
24627 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
24629 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
24630 when emitting alignment padding. Emit padding byte of 0 instead of 4.
24632 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
24634 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
24635 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
24637 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
24639 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
24640 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
24641 (dwarf2out_line, dwarf2out_finish): Likewise.
24642 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
24644 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
24646 * tree.c (lang_unsave_expr_now) : Correct return type.
24647 * tree.h (lang_unsave_expr_now) : Same.
24649 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
24651 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
24652 instead of duplicating code.
24654 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24656 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
24658 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
24660 * tree.h: fancy_abort always takes three args.
24661 * resource.c: Move include of system.h before toplev.h.
24663 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
24665 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
24668 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
24670 * system.h: Don't redefine abort or trim_filename.
24671 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
24672 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
24673 whether or not __FUNCTION__ is available.
24674 * tree.h: Duplicate rtl.h's definition of abort, for files
24675 that don't include rtl.h. Delete all code to perform type
24676 checking with a compiler other than GCC.
24677 * varray.h: Delete all code to perform type checking with a
24678 compiler other than GCC. Make VARRAY_CHECK() always evaluate
24679 its arguments exactly once, using a statement expression.
24680 Adjust the VARRAY_<type> accessor macros to match.
24681 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
24682 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
24683 caller's location. Define fatal_insn and fatal_insn_not_found
24684 as macros that use _fatal_insn and _fatal_insn_not_found.
24685 (fancy_abort, trim_filename): Kill prototypes.
24687 * rtl.c (trim_filename): Move here from toplev.c.
24688 (fancy_abort): New function.
24689 (DIR_SEPARATOR): Provide default definition.
24690 * tree.c (tree_check_failed, tree_class_check_failed): Go
24691 through fancy_abort.
24692 (tree_check, tree_class_check, cst_or_constructor_check,
24693 expr_check): Delete.
24694 * varray.c (varray_check_failed): New function.
24695 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
24696 _fatal_insn and _fatal_insn_not_found. Go through
24698 (trim_filename, fancy_abort): Delete.
24700 * builtins.c (expand_builtin_args_info): Report ICE with abort.
24701 * except.c (start_catch_handler): Report ICE with error/abort
24703 * final.c (output_operand_lossage): Likewise.
24704 * flow.c (verify_flow_info): Likewise.
24706 * gcc.c: Prototype fatal.
24707 * gengenrtl.c: Undef abort after including rtl.h not system.h.
24708 * genattr.c, genattrtab.c, genemit.c, genextract.c,
24709 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
24710 Don't define fancy_abort.
24712 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
24714 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
24717 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
24719 * m88k.h (VERSION_INFO2): Kill.
24720 (VERSION_STRING): Kill.
24722 (VERSION_INFO1): Tidy.
24723 (TARGET_VERSION): Update.
24724 * m88k/dgux.h (VERSION_INFO2): Kill.
24725 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
24726 * m88k/luna.h (VERSION_INFO1): Tidy.
24727 * m88k/sysv4.h (VERSION_INFO1): Likewise.
24728 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
24729 (output_file_start): Adjust for death of VERSION_STRING.
24731 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
24733 * cpplib.c (detect_if_not_defined): New function.
24734 (do_if): Use it to detect potential once-only headers.
24736 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
24738 * c-common.c (combine_strings): Always set TREE_CONSTANT.
24740 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
24742 * combine.c (nonzero_bits) : Allow single-ly set registers to be
24743 anywere in the function only if they are pseudos and set before
24744 being used (not live at the start of the function).
24745 (num_sign_bit_copies) : Same.
24746 (get_last_value_validate) : Same.
24747 (get_last_value) : Same.
24749 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
24751 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
24752 where N and M are constant and N is an integer multiple of M.
24754 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
24756 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
24757 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
24758 sbitmap_union_of_preds): Add prototypes.
24759 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
24760 the intersection of successors with the new flow graph structures.
24761 (sbitmap_intersection_of_preds): New function to compute the
24762 intersection of predecessors with the new flow graph structures.
24763 (sbitmap_union_of_succs): New function to compute the union of
24764 successors with the new flow graph structures.
24765 (sbitmap_union_of_preds): New function to compute the union of
24766 predecessors with the new flow graph structures.
24767 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
24768 (expr_reaches_here_p): Use edge and basic_block structures instead
24769 of s_preds and s_succs.
24770 (compute_cprop_avinout): Use new sbitmap routines.
24771 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
24772 of s_preds and s_succs.
24773 * flow.c (compute_flow_dominators): Compute dominators using
24774 edges and basic blocks instead of s_preds and s_succs.
24776 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
24778 * lists.c (unused_insn_list, unused_expr_list): New file for
24779 maintaining various types of lists. New statics for maintaining a
24780 cache of available INSN_LIST and EXPR_LIST nodes.
24781 (free_list): Static function for freeing a list of INSN/EXPR nodes.
24782 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
24783 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
24784 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
24785 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
24786 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
24787 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
24788 (free_INSN_LIST_node): Free an individual INSN_LIST node.
24789 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
24790 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
24791 (remove_dependence, free_pending_lists): Use new global routines.
24792 (flush_pending_lists, sched_analyze_insn): Use new global routines.
24793 (sched_analyze, compute_block_backward_dependences): Use new routines.
24794 (sched_analyze_1, sched_analyze_2): Use new routines.
24795 (schedule_insns): Use new global routines.
24796 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
24798 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
24799 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
24801 * toplev.c (rest_of_compilation): Initialize node cache.
24802 * Makefile.in (OBJS): Add lists.o to list of object files.
24803 (lists.o): Add dependancies.
24805 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
24807 * config/v850/v850.md: Fix compile time warning messages.
24808 * config/v850/v850.c: Fix compile time warning messages.
24809 * config/v850/v850.h: Fix compile time warning messages.
24811 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24813 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
24814 Remove unused prototype for `init_lengths'.
24816 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24818 * calls.c (emit_call_1): Mark parameter `stack_size' with
24820 (expand_call): Initialize variable `insn'.
24821 (emit_library_call): Likewise for variable `high_to_save'.
24822 (emit_library_call_value): Likewise.
24823 (store_one_arg): Likewise for variables `lower_bound' and
24826 * combine.c (try_combine): Likewise for variables `i2_code_number'
24827 and `other_code_number'.
24828 (find_split_point): Likewise for variables `pos', `unsignedp' and
24830 (simplify_if_then_else): Likewise for variables `op' and `c1'.
24831 (simplify_and_const_int): Remove unused variable `width'.
24832 (merge_outer_ops): Likewise.
24834 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
24835 HOST_WIDE_INT' when comparing against one.
24836 (simplify_relational_operation): Likewise.
24837 (cse_insn): Initialize variables `src_eqv_volatile',
24838 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
24840 * final.c (init_final): Constify parameter `filename'.
24841 (final_start_function): Mark parameter `optimize' with
24843 (profile_function): Likewise for parameters `first' and `optimize'.
24844 (output_source_line): Likewise for parameter `file'.
24846 * integrate.c (subst_constants): Cast a value to `size_t' when
24847 comparing against one.
24848 (mark_stores): Initialize variable `mode'. Cast a value to
24849 `size_t' when comparing against one.
24851 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
24853 * loop.c (move_movables): Initialize variable `first'.
24854 (strength_reduce): Likewise for variable `increment'.
24855 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
24856 value to `size_t' when comparing against one.
24857 (load_mems): Initialize variable `end_label'.
24859 * output.h (init_final): Constify parameter.
24861 * reload.c (decompose): Initialize variable `base'.
24863 * reload1.c (reload): Likewise for variable `is_scalar'.
24864 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
24865 (choose_reload_regs): Initialize variable `mode'.
24866 (emit_reload_insns): Likewise for variable `store_insn'.
24867 (reload_cse_noop_set_p): Mark parameter `insn' with
24869 (reload_combine): Initialize variable `set'.
24871 * unroll.c (unroll_loop): Likewise for variable `local_label'.
24872 (copy_loop_body): Cast a value to `size_t' when comparing against
24875 * varasm.c (assemble_variable): Initialize variable `size_tree'.
24876 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
24877 (remove_from_pending_weak_list): Mark parameter `name' with
24880 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24882 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
24885 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
24887 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
24888 (ASM_DECLARE_FUNCTION_NAME): Define.
24889 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
24890 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
24891 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
24892 not already defined.
24894 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
24896 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
24897 of n_popped when call/call_value are not defined.
24899 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
24901 * tm.texi: GNU CC -> GCC conversion.
24902 (CC1_SPEC): Indicate it is used for all language front ends.
24904 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
24906 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
24907 NOTE_INSN_EH_REGION_END correctly.
24909 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
24910 Jeff Law <law@cygnus.com>
24912 * loop.c (strength_reduce): Automatically unroll loops if the
24913 unrolled loop size is smaller than the rolled loop size.
24915 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
24916 and delete comment that code should be rewritten.
24918 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
24920 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
24923 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
24925 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
24927 * fixinc/mkfixinc.sh: Don't fix uwin headers.
24928 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
24929 (LINK_SPEC): Add -u _main when building executables.
24930 (ASM_DECLARE_FUNCTION): Update from Cygwin.
24931 (ASM_FILE_END): Use the default for ix86-pe.
24932 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
24934 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
24936 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
24937 and ASM_CLOSE_PAREN are empty strings.
24939 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
24940 Geoffrey Keating <geoffk@cygnus.com>
24942 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
24943 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
24944 (unprotoize.o): Ditto.
24945 (test-protoize-simple): Don't define STD_PROTO_DIR.
24946 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
24947 changes to make 'test-protoize-simple' pass.
24948 (STD_PROTO_DIR): Remove define.
24949 (STANDARD_EXEC_PREFIX): Supply default define.
24950 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
24951 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
24952 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
24953 (GET_ENV_PATH_LIST): New macro.
24954 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
24955 (do_processing): Initialize default_syscalls_dir using new
24956 macros. Use it to initialize syscalls_absolute_filename.
24958 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
24960 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
24961 B into a register before emit_conditional_move.
24963 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
24965 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
24966 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
24967 multiplicand out of (+ (* a b) (* c d)).
24969 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
24970 Richard Henderson <rth@cygnus.com>
24972 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
24973 (new_insn_dead_notes): Likewise.
24974 (update_n_sets): Likewise.
24975 (update_flow_info): Move to flow.c, renamed to update_life_info;
24976 extend to handle multiple source insns.
24977 * flow.c: Include resource.h
24978 (unlink_insn_chain): New.
24979 (split_hard_reg_notes): New.
24980 (maybe_add_dead_note): New.
24981 (maybe_add_dead_note_use): New.
24982 (find_insn_with_note): New.
24983 (new_insn_dead_notes): New.
24984 (update_n_sets): New.
24985 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
24986 (maybe_remove_dead_notes): New.
24987 (update_life_info): New.
24988 (prepend_reg_notes): New.
24989 (replace_insns): New.
24990 * output.h (update_life_info): Declare.
24991 * recog.c (split_block_insns): Use update_life_info.
24992 * resource.c (find_free_register): Use reg_alloc_order, don't use
24993 fixed regs, make sure the mode is supported, don't use new regs.
24995 * rtl.h (replace_insns): Declare.
24997 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
24999 * expr.c (expand_expr): Cope with COND_EXPRs with one
25000 non-returning branch.
25002 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
25004 * expr.c (store_expr): Always pass down the target, even when not
25007 1999-08-24 Nick Clifton <nickc@cygnus.com>
25009 * configure.in: Define target_cpu_default for v850 targets.
25010 * configure: Regenerate
25012 * config/v850/v850.h (TARGET_CPU_generic): Define.
25013 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
25014 addresses are 4 byte aligned.
25016 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
25019 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25021 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
25022 (main): Add prototypes.
25024 * genattrtab.c (substitute_address, write_const_num_delay_slots,
25025 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
25026 (write_attr_get): Emit prototypes along with function definition.
25027 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
25028 (write_complex_function): Emit static prototype along with
25029 function definition.
25031 * genemit.c (gen_split): Emit prototypes along with function
25034 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
25035 Likewise for predicates and `insn_operand_predicate'.
25036 (process_template): Emit static prototype along with function
25039 * genrecog.c (make_insn_sequence): Constify a char*. Add
25040 prototypes for get_split_*().
25041 (write_subroutine): Emit prototypes along with function
25044 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25046 * gcse.c (find_avail_set): Follow chains of register-register copies.
25047 Use oprs_not_set_p to guarantee that the returned value can be
25049 (cprop_insn): Don't verify the return value of find_avail_set with
25052 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
25053 (cprop_cc0_jump): New function.
25054 (cprop_insn): Break out new function cprop_jump and use it.
25055 Also use cprop_cc0_jump for machines with CC0.
25056 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
25058 * tree.h (current_function_calls_setjmp,
25059 current_function_calls_longjmp): Delete declarations.
25060 * dsp16xx.c: Include "function.h".
25061 * elxsi.c: Likewise.
25062 * gmicro.c: Likewise.
25063 * h8300.c: Likewise.
25064 * i370.c: Likewise.
25065 * m32r.c: Likewise.
25066 * mn10200.c: Likewise.
25067 * mn10300.c: Likewise.
25068 * ns32k.c: Likewise.
25069 * spur.c: Likewise.
25070 * v850.c: Likewise.
25072 * rtl.h (rtx_equal_function_value_matters): Declare.
25073 * toplev.c (rtx_equal_function_value_matters): Don't declare.
25075 * function.c: Likewise.
25076 * emit-rtl.c: Likewise.
25078 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
25080 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
25083 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
25085 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
25088 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
25090 * cpp.texi: Add a node documenting macro varargs (copied
25093 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
25095 * cppspec.c: Put a null pointer at the end of the new argv.
25097 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
25099 * configure.in: Remove code to select/de-select the haifa
25100 scheduler. Every scheduled port gets haifa now.
25101 * configure: Rebuilt.
25102 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
25104 * Makefile.in: Corresponding changes.
25106 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25108 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
25109 All callers changed.
25110 (prepare_float_lib_cmp): Likewise.
25111 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
25112 * expr.h (emit_float_lib_cmp): Delete declaration.
25113 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
25114 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
25115 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
25117 (cmptf): Now conditional on TARGET_HARD_QUAD.
25119 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
25121 * resource.c (mark_target_live_regs): Use
25122 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
25124 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25126 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
25128 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
25130 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
25132 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25134 * rtl.h (rtx_format): Constify a char*.
25136 * rtl.c (rtx_format): Likewise.
25137 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
25138 (init_rtl): Use accessor macro, not `rtx_format'.
25140 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
25143 * caller-save.c (mark_referenced_regs): Likewise.
25145 * combine.c (subst, make_compound_operation, known_cond,
25146 gen_rtx_combine, update_table_tick, get_last_value_validate,
25147 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
25149 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
25150 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
25151 count_reg_usage): Likewise.
25153 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
25156 * final.c (leaf_renumber_regs_insn): Likewise.
25158 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
25159 dump_edge_info, count_reg_references): Likewise.
25161 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
25162 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
25165 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
25166 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
25167 add_label_notes): Likewise.
25169 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
25170 clear_struct_flag, count_sub_rtxs, count_alternatives,
25171 compares_alternatives_p, contained_in_p, walk_attr_value,
25172 write_expr_attr_cache): Likewise.
25174 * genconfig.c (walk_insn_part): Likewise.
25176 * genemit.c (max_operand_1, gen_exp): Likewise.
25178 * genextract.c (walk_rtx): Likewise.
25180 * genflags.c (num_operands): Likewise.
25182 * genoutput.c (scan_operands): Likewise.
25184 * genpeep.c (match_rtx): Likewise.
25186 * genrecog.c (add_to_sequence): Likewise.
25188 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
25191 * integrate.c (save_constants, copy_for_inline,
25192 copy_rtx_and_substitute, subst_constants, restore_constants):
25195 * jump.c (mark_jump_label, invert_exp, redirect_exp,
25196 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
25198 * local-alloc.c (contains_replace_regs, memref_referenced_p):
25201 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
25202 add_label_notes, replace_call_address, count_nonfixed_reads,
25203 invariant_p, find_single_use_in_loop, find_mem_givs,
25204 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
25207 * print-rtl.c (reg_names, print_rtx): Likewise.
25209 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
25211 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
25212 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
25213 print_blocks): Likewise.
25215 * regclass.c (fix_register, record_address_regs,
25216 reg_scan_mark_refs): Likewise.
25218 * regmove.c (stable_but_for_p): Likewise.
25220 * reload.c (loc_mentioned_in_p, operands_match_p,
25221 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
25222 copy_replacements, refers_to_regno_for_reload_p,
25223 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
25224 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
25227 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
25228 delete_address_reloads_1, count_occurrences,
25229 reload_cse_mem_conflict_p, reload_combine_note_use,
25230 add_auto_inc_notes): Likewise.
25232 * resource.c (mark_referenced_resources, mark_set_resources):
25235 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
25236 reg_mentioned_p, regs_set_between_p, modified_between_p,
25237 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
25238 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
25239 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
25240 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
25242 * sched.c (sched_analyze_2, attach_deaths): Likewise.
25244 * stupid.c (stupid_mark_refs): Likewise.
25246 * unroll.c (remap_split_bivs): Likewise.
25248 * varasm.c (mark_constants): Likewise.
25250 * a29k/a29k.c (uses_local_reg_p): Likewise.
25252 * alpha/alpha.c (summarize_insn): Likewise.
25254 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
25255 eliminate_lr2ip): Likewise.
25257 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
25259 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
25260 reg_mentioned_in_mem): Likewise.
25262 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
25263 symbolic_reference_mentioned_p): Likewise.
25265 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
25267 * sh/sh.c (regs_used, mark_use): Likewise.
25269 * vax/vax.c (vax_rtx_cost): Likewise.
25271 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25273 * machmode.h (mode_name): Constify a char*.
25275 * rtl.c (mode_name): Likewise.
25277 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
25279 * optabs.c (init_libfuncs): Constify a char*.
25281 * print-tree.c (mode_name): Remove redundant declaration.
25282 (print_node): Use accessor macro, not `mode_name'.
25284 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
25286 (new_spill_reg): Constify a char*.
25288 * tree.c (mode_name): Remove redundant declaration.
25290 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25292 * rtl.c (rtx_name): Constify a char*.
25294 * rtl.h (rtx_name, fix_sched_param): Likewise.
25296 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
25297 (mypr): Use accessor macro, not `rtx_name'.
25299 * genemit.c (print_code): Constify a char*.
25301 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
25303 * genpeep.c (print_code): Constify a char*.
25305 * genrecog.c (print_code): Likewise.
25307 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
25308 end_bb): Add static prototype.
25309 (draw_edge): Constify a char*.
25310 (end_bb): Remove unused parameter.
25312 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
25313 print_block_visualization): Constify a char*.
25315 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
25317 * c-common.c (c_get_alias_set): Update comment.
25319 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
25321 * linux.h (LIB_SPEC): Added.
25323 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25325 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
25327 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
25329 * tree.c (expr_check): Fix typo in last change.
25331 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
25333 * rtl.def (NOTE): Change format to "iuu0n".
25334 (ADDR_DIFF_VEC): Change format to "eEee0".
25335 (ADDRESSOF): Change format to "eit".
25337 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
25338 (RTVEC_ELT): Change to match.
25339 (XVECEXP): Use XVEC and RTVEC_ELT.
25340 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
25341 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
25342 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
25343 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
25344 TRAP_CONDITION, TRAP_CODE): Use XEXP.
25345 (INTVAL): Use XWINT.
25346 (ADDRESSOF_DECL): Use XTREE.
25347 (SET_ADDRESSOF_DECL): Delete.
25348 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
25349 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
25350 ifdefed out since 2.6 at least.
25351 (gen_rtvec_vv): Delete prototype.
25353 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
25355 (copy_most_rtx): Handle 't' format letter.
25356 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
25357 (gen_rtvec_vv): Delete function. All callers changed to use
25358 gen_rtvec_v instead.
25359 * print-rtl.c (print_rtx): Move special casing of NOTEs to
25360 the '0' format letter.
25362 * function.c (gen_mem_addressof): Don't use
25363 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
25365 * integrate.c (copy_rtx_and_substitute): Likewise.
25366 Copy 't' slots with XTREE.
25367 (subst_constants): Treat 't' slots like '[swi]' slots.
25368 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
25369 * jump.c (rtx_equal_for_thread_p): Likewise.
25370 * rtlanal.c (rtx_equal_p): Likewise.
25371 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
25372 only four arguments.
25373 * gengenrtl.c (type_from_format): Provide correct types for
25377 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
25378 If a recent gcc is in use (always in stage2 and beyond), use
25379 statement expressions, so we don't make a function call unless
25380 the check fails. Evaluate arguments exactly once.
25381 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
25382 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
25384 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
25385 they evaluate their arguments exactly once, irrespective of
25386 the compiler in use.
25388 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
25389 is used by the currently-enabled check macros. This is:
25390 (tree_check_failed, tree_class_check_failed): For gcc.
25391 (tree_check, tree_class_check, cst_or_constructor_check,
25392 expr_check): For other compilers.
25394 * gencheck.c: Do not define any *_CHECK1 macros.
25396 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
25397 Mark Mitchell <mark@codesourcery.com>
25399 * c-common.c (c_get_alias_set): Fix support for poitners and
25402 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
25404 * alias.c: Include tree.h.
25405 (nonlocal_reference_p, mark_constant_function): New functions.
25406 * flow.c (life_analysis): Call mark_constant_function.
25407 * rtl.h (mark_constant_function): Declare it.
25409 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
25411 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
25412 unrecognisable switches.
25414 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25416 * loop.c (recombine_givs): Set ix field after sorting.
25417 (recombine_givs): Remove bogus index / giv lockstep looping.
25419 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25421 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
25423 (emit_store_flag_force): Use do_compare_rtx_and_jump.
25424 (do_cmp_and_jump): Formatting fixes.
25425 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
25426 do_compare_rtx_and_jump instead of compare_from_rtx.
25427 (do_compare_rtx_and_jump): New function; mostly copied from
25429 (do_jump_for_compare): Delete.
25430 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
25432 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
25433 of compare/do_jump_for_compare pairs.
25434 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
25435 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
25436 compare_from_rtx/do_jump_for_compare pairs.
25437 (do_jump_by_parts_equality): Likewise.
25438 (do_jump_by_parts_equality_rtx): Likewise.
25439 * expr.h (do_compare_rtx_and_jump): Declare.
25440 * optabs.c (prepare_cmp_insn): New function, contains most of the code
25441 that used to be in emit_cmp_insn.
25442 (cmp_available_p): New function.
25443 (prepare_operand): New function.
25444 (emit_cmp_and_jump_insn_1): New function, contains some code that used
25445 to be in emit_cmp_insn.
25446 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
25447 parameters to be pointers; don't emit final compare but modify some of
25448 the values pointed to by the args so the caller can perform the
25449 correct comparison.
25450 (expand_binop): Call emit_store_flag_force with signed forms of
25452 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
25453 emit_jump_insn pair.
25454 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
25455 emit_cmp_and_jump_insn_1. Call emit_queue.
25456 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
25458 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
25459 jump sets cc0 before deleting it.
25460 * integrate.c (expand_inline_function): Likewise.
25461 * unroll.c (unroll_loop): Similar changes in several places.
25462 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
25463 before deleting it.
25465 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25467 * Makefile.in (insn-recog.o): Update dependencies.
25468 * genrecog.c (main): Make generated file include "function.h".
25470 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
25472 * cse.c (cse_insn): Call never_reached_warning when a jump is
25473 changed to be unconditional.
25474 * flags.h: Declare warn_notreached.
25475 * flow.c (delete_block): Call never_reached_warning when
25476 a block is deleted.
25477 * jump.c (delete_barrier_successors): Call never_reached_warning
25478 when we delete everything after a BARRIER.
25479 (never_reached_warning): New function.
25480 * rtl.h: Declare never_reached_warning.
25481 * toplev.c (warn_notreached): New variable.
25482 (lang_independent_options): Set warn_notreached
25483 when -Wunreachable-code.
25484 (compile_file): We need line numbers for -Wunreachable-code.
25486 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
25488 * haifa-sched.c (insn_unit): Fix typo on out of range test.
25489 * sched.c (insn_unit): Likewise.
25491 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
25493 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
25495 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
25497 * flow.c (create_edge_list): Use xmalloc, not malloc.
25499 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
25501 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
25502 C-style comments. Do not lose the character before double slash.
25504 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
25506 * basic-block.h (struct edge_list): Stucture to maintain a vector
25508 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
25509 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
25510 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
25511 New function prototypes.
25512 * flow.c (create_edge_list): Function to create an edge list.
25513 (free_edge_list): Discards memory used by an edge list.
25514 (print_edge_list): Debug output showing an edge list.
25515 (verify_edge_list): Internal consistency check for an edge list.
25516 (find_edge_index): Function to find an edge index for a pred and succ.
25518 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
25520 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
25523 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
25525 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
25527 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
25529 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
25531 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
25533 * toplev.c (rest_of_compilation): Allow machine dependent
25534 reorganisation pass to place information into the RTL dump
25535 file if it so wishes.
25537 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
25539 * explow.c (hard_function_value): Use VOIDmode instead of
25541 * stmt.c (expand_return): Likewise.
25542 * stor-layout.c (get_best_mode): Likewise.
25544 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
25545 emit call instead of emit_insn call.
25547 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
25549 * configure.in: Handle --disable/enable-win32-registry.
25550 * install.texi: Document --disable/enable-win32-registry.
25551 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
25552 (WIN32_REGISTRY_KEY): New macro.
25553 * prefix.c: Use to enable/disable win32-specific code.
25554 (lookup_key): Use versioned key.
25555 * configure: Regenerate.
25556 * config.in: Likewise.
25558 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
25560 * cpplib.c (read_line_number): New fn, split out of...
25563 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
25565 tree.c (lang_unsave_expr_now) : New.
25566 (unsave_expr_now): Call lang_unsave_expr_now.
25567 tree.h (lang_unsave_expr_now) : New.
25569 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
25571 * toplev.c (flag_new_exceptions): On by default.
25573 1999-08-13 Michael Meissner <meissner@cygnus.com>
25575 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
25577 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
25579 * dwarfout.c (fundamental_type_code): Return FT_boolean for
25580 INTEGER_TYPE with precision==1, it's __java_boolean.
25582 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25584 * global.c (prune_preferences): Move some invariants out of the
25587 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
25589 * configure.in (alpha*-dec-osf*): Add osf5.
25591 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
25593 * configure.in: Rework handling of ARM GNU/Linux slightly.
25594 (arm*-*-linux-gnuoldld): New target.
25595 * configure: Regenerate.
25596 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
25597 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
25598 * config/arm/linux-oldld.h: New file.
25599 * config/arm/linux-elf26.h: Don't include linux-elf.h.
25600 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
25602 * config/arm/linux-elf.h (ASM_SPEC): Define.
25603 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
25604 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
25605 for 26-bit APCS and old linker.
25606 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
25608 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
25609 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
25610 don't define `arm' or `arm_elf'.
25611 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
25612 MULTILIB_DIRNAMES): Define. Fix typo in comment.
25614 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
25616 * rtl.texi: Fix typo.
25618 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
25620 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
25622 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
25624 * extend.texi (C++ Signatures): Remove node.
25625 * invoke.texi: Remove discussion of -fhandle-signatures,
25626 signature, sigof, __signature__, and __sigof__.
25628 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
25630 * Makefile.in (JAVAGC): Removed.
25632 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
25634 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
25636 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
25638 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
25640 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
25642 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
25643 a register that is already known to be a pointer.
25645 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
25647 * fixinc/inclhack.tpl: Only install assert.h conditionally.
25648 * fixinc/inclhack.sh: Regenerated.
25649 * fixinc/fixincl.sh: Regenerated.
25651 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
25653 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
25654 Fix documentation of -ansi flag to describe its C++ behavior.
25655 Remove bogus reference to GCC 2.9.
25657 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
25659 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
25660 note if it is non-NULL.
25662 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
25664 * except.h (eh_nesting_info): Add new structure defintion.
25665 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
25666 (reachable_handlers, update_rethrow_references): Add function
25668 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
25669 a rethrow symbol instead of an integer exception region number.
25670 * flow.c (Make_edges): Use new exception nesting routines to determine
25671 which handlers are reachable from a CALL or asynchronous insn.
25672 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
25674 (delete_eh_regions): Update rethrow labels, and don't delete
25675 regions which are the target of a rethrow.
25676 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
25677 avoid overloading the SYMBOL_REF_USED flag.
25678 (rethrow_symbol_map): Use new rethrow_ref field.
25679 (rethrow_used): Use new rethrow_ref field.
25680 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
25681 of an integer. Fix formatting.
25682 (output_exception_table_entry): Use new rethrow_ref field.
25683 (can_throw): Check for EH_REGION_NOTE before deciding
25684 whether a CALL can throw or not.
25685 (scan_region): Call rethrow_used() instead of accessing data structure.
25686 (update_rethrow_references): New function to make sure only regions
25687 which are still targets of a rethrow are flagged as such.
25688 (process_nestinfo): New static function to initialize a handler
25689 list for a specific region.
25690 (init_eh_nesting_info): New function to allocate and initialize
25691 the list of all EH handlers reachable from all regions.
25692 (reachable_handlers): New function to retrieve the list of handlers
25693 reachable from a specific region and insn.
25694 (free_eh_nesting_info): New function to dispose of a list of
25695 reachable handlers.
25697 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
25699 * flow.c (split_edge): Set JUMP_LABEL field.
25700 (commit_one_edge_insertion): Set head correctly for insert_before.
25701 When inserting insns, update insn block numbers if allocated.
25703 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25705 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
25706 retry_incomplete_types): Add static prototype.
25707 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
25708 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
25709 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
25710 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
25711 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
25714 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
25715 dwarf2out_start_source_file, dwarf2out_line): Likewise.
25717 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25719 * output.h (assemble_name): Constify a char*.
25721 * varasm.c (UNIQUE_SECTION, assemble_start_function,
25722 assemble_variable, assemble_name): Likewise.
25724 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
25726 * arm/pe.c (arm_pe_unique_section): Likewise.
25728 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
25730 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
25732 * i386/interix.c (i386_pe_unique_section): Likewise.
25734 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
25736 * i386/winnt.c (i386_pe_unique_section): Likewise.
25738 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
25740 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
25742 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
25744 * pa/pa.c (output_call): Likewise.
25746 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
25748 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
25750 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
25753 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
25756 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
25758 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
25759 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
25761 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
25763 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25765 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
25767 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25769 * tree.h (lang_identify): Constify a char*.
25770 (print_error_function): Add extern prototype. Constify a char*.
25772 * c-lang.c (lang_identify): Constify a char*.
25774 * objc/objc-act.c (lang_identify): Constify a char*.
25776 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25778 * genpeep.c (main): Make generated file include "function.h".
25779 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
25781 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25783 * Makefile.in: Update dependencies.
25784 * alias.c: Include "function.h"
25785 * c-decl.c: Likewise.
25786 * caller-save.c: Likewise.
25787 * calls.c: Likewise.
25788 * combine.c: Likewise.
25790 * explow.c: Likewise.
25791 * final.c: Likewise.
25792 * global.c: Likewise.
25793 * graph.c: Likewise.
25794 * local-alloc.c: Likewise.
25795 * loop.c: Likewise.
25796 * optabs.c: Likewise.
25797 * profile.c: Likewise.
25798 * recog.c: Likewise.
25799 * regclass.c: Likewise.
25800 * regmove.c: Likewise.
25801 * reload.c: Likewise.
25802 * reorg.c: Likewise.
25803 * resource.c: Likewise.
25804 * sched.c: Likewise.
25805 * stupid.c: Likewise.
25806 * config/1750a/1750a.c: Likewise.
25807 * config/a29k/a29k.c: Likewise.
25808 * config/arc/arc.c: Likewise.
25809 * config/arm/arm.c: Likewise.
25810 * config/arm/thumb.c: Likewise.
25811 * config/c4x/c4x.c: Likewise.
25812 * config/clipper/clipper.c: Likewise.
25813 * config/convex/convex.c: Likewise.
25814 * config/fx80/fx80.c: Likewise.
25815 * config/i860/i860.c: Likewise.
25816 * config/m68k/m68k.c: Likewise.
25817 * config/m88k/m88k.c: Likewise.
25818 * config/mips/mips.c: Likewise.
25819 * config/pdp11/pdp11.c: Likewise.
25820 * config/pyr/pyr.c: Likewise.
25821 * config/romp/romp.c: Likewise.
25822 * config/sh/sh.c: Likewise.
25823 * config/tahoe/tahoe.c: Likewise.
25824 * config/vax/vax.c: Likewise.
25825 * config/we32k/we32k.c: Likewise.
25826 * config/sparc/sparc.c: Include "function.h".
25827 (mem_min_alignment): Test current_function rather than
25828 regno_pointer_align.
25829 * config/pa/pa.c: Likewise.
25830 (compute_frame_size): Delete declaration of
25831 current_function_outgoing_args_size.
25832 * config/arc/arc.h (current_function_varargs): Delete declaration.
25833 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
25835 * config/i370/i370.h (current_function_outgoing_args_size): Delete
25837 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
25838 current_function_uses_pic_offset_table.
25839 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
25840 of current_function_returns_pointer.
25841 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
25842 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
25843 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
25844 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
25845 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
25846 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
25847 * config/m88k/m88k.c: Include "function.h"
25848 (call_used_regs, current_function_pretend_args_size,
25849 current_function_outgoing_args_size, frame_pointer_needed): Delete
25851 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
25853 * config/mips/mips.h (current_function_calls_alloca): Delete
25855 * config/mn10200/mn10200.h (current_function_needs_context,
25856 rtx_equal_function_value_matters): Delete declarations.
25857 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
25858 flag_pic): Delete declarations.
25859 * config/pa/pa.h (current_function_pretend_args_size,
25860 current_function_decl): Delete declarations.
25861 * config/pa/som.h (current_function_varargs): Delete declaration.
25862 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
25864 * config/pyr/pyr.h (current_function_pretend_args_size,
25865 current_function_args_size, current_function_calls_alloca): Delete
25867 * config/sh/sh.h (current_function_varargs): Delete declaration.
25868 * config/sparc/sparc.h (current_function_outgoing_args_size,
25869 current_function_calls_alloca, current_function_decl): Delete
25871 * config/spur/spur.h (current_function_pretend_args_size,
25872 current_function_calls_alloca): Delete declarations.
25873 * config/v850/v850.c (current_function_outgoing_args_size): Delete
25875 * config/vax/vms.h (current_function_name): Delete declaration.
25876 * gcse.c: Include "function.h".
25877 (current_function_name, current_function_calls_setjmp): Delete
25879 * haifa-sched.c: Include "function.h".
25880 (forced_labels): Delete declaration.
25881 * jump.c: Likewise.
25882 * reg-stack.c: Likewise.
25883 * reload1.c: Likewise.
25884 * genemit.c (main): Make generated file include function.h.
25885 * genoutput.c (output_prologue): Likewise.
25887 * builtins.c (saveregs_value, apply_args_value): Delete variables.
25888 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
25889 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
25890 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
25891 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
25892 macros for some of them.
25893 (emit_filename, emit_lineno): Delete declarations.
25894 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
25895 regno_pointer_* variables through current_function.
25896 (gen_inline_header_rtx): Delete function.
25897 (save_emit_status): Delete function.
25898 (set_new_last_label_num): New function.
25899 (clear_emit_caches): New function.
25900 (restore_emit_status): Just clear last_labelnum and call
25902 (get_last_insn_anywhere): Variable sequence_stack is now accessed
25903 through macro seq_stack.
25904 (add_insn_after): Likewise.
25905 (add_insn_before): Likewise.
25906 (remove_insn): Likewise.
25907 (pop_topmost_sequence): Likewise.
25908 (in_sequence_p): Likewise.
25909 (start_sequence_for_rtl_expr): Likewise.
25910 (start_sequence): Likewise, and likewise for
25911 sequence_rtl_expr/seq_rtl_expr.
25912 (push_topmost_sequence): Likewise.
25913 (end_sequence): Likewise.
25914 (init_virtual_regs): Now takes a "struct emit_status *" argument.
25915 All callers changed. Store into that pointer instead of globals.
25916 (init_emit): Allocate emit elt of current_function.
25917 Changes for sequence_rtl_expr/sequence_stack renaming.
25918 Call clear_emit_caches instead of doing it in-line.
25919 Access regno_pointer_* variables through current_function.
25920 (init_emit_once) Don't clear sequence_stack.
25922 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
25924 (arg_pointer_save_area): Delete declaration.
25925 (finish_expr_for_function): Renamed from init_queue; no longer static.
25926 (init_expr): Don't call init_queue.
25927 (save_expr_status, restore_expr_status): Delete functions.
25928 (expand_expr): Changes to reflect new layout of struct function.
25929 Don't access current_function_check_memory_usage when current_function
25931 * expr.h (forced_labels, save_expr_regs, saveregs_value,
25932 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
25933 current_function_outgoing_args_size, current_function_arg_offset_rtx,
25934 current_function_uses_const_pool, function_call_count,
25935 current_function_uses_pic_offset_table, nonlocal_labels,
25936 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
25937 current_function_check_memory_usage, nonlocal_goto_handler_slots,
25938 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
25940 (finish_expr_for_function): Declare.
25941 * flags.h (current_function_has_nonlocal_label,
25942 current_function_has_nonlocal_goto, current_function_is_thunk,
25943 current_function_has_computed_jump): Delete declarations.
25944 * flow.c (forced_labels): Delete declaration.
25945 * function.c (current_function_pops_args,
25946 current_function_returns_struct, current_function_returns_pcc_struct,
25947 current_function_needs_context, current_function_calls_setjmp,
25948 current_function_calls_longjmp, current_function_has_nonlocal_label,
25949 current_function_has_nonlocal_goto, current_function_is_thunk,
25950 current_function_has_computed_jump, current_function_calls_alloca,
25951 current_function_contains_functions, current_function_returns_pointer,
25952 current_function_epilogue_delay_list, current_function_args_size,
25953 current_function_pretend_args_size, current_function_arg_offset_rtx,
25954 current_function_outgoing_args_size, current_function_varargs,
25955 current_function_stdarg, current_function_args_info, cleanup_label,
25956 current_function_name, current_function_uses_const_pool,
25957 current_function_instrument_entry_exit, current_function_return_rtx,
25958 current_function_uses_pic_offset_table, nonlocal_labels,
25959 current_function_internal_arg_pointer, current_function_cannot_inline,
25960 current_function_check_memory_usage, function_call_count,
25961 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
25962 nonlocal_goto_stack_level, return_label, save_expr_regs,
25963 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
25964 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
25965 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
25966 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
25967 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
25969 (push_function_context_to): Don't save them. Don't call
25970 save_storage_status, save_emit_status or save_expr_status.
25971 (pop_function_context_from): Don't restore them. Don't call
25972 restore_storage_status or restore_expr_status.
25973 (get_func_frame_size): New function.
25974 (get_frame_size): Use it.
25975 (assign_outer_stack_local): Reflect some member name changes in struct
25977 (put_reg_into_stack): Likewise.
25978 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
25980 (fixup_var_refs): Likewise.
25981 (fix_lexical_addr): Likewise.
25982 (trampoline_address): Likewise.
25983 (prepare_function_start): Clear field inlinable of current_function.
25984 (init_function_for_compilation): New function.
25985 (expand_dummy_function_end): New function.
25986 (expand_function_end): Call finish_expr_for_function.
25987 * function.h (struct emit_status): New; fields moved here from struct
25988 function and from global variables. Add accessor macros for some of
25990 (struct expr_status): Likewise.
25991 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
25992 (struct function): Add fields expr and emit, inlinable, inl_emit,
25993 original_arg_vector, original_decl_initial, inl_last_parm_insn,
25994 inl_max_label_num. Add many comments.
25995 Add accessor macros for all elts of struct function that no longer
25996 have a global variable.
25997 (cleanup_label, return_label, frame_offset, tail_recursion_label,
25998 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
25999 stack_slot_list): Delete declarations.
26000 (get_func_frame_size): Declare.
26001 (save_expr_status, restore_expr_status, save_emit_status,
26002 save_storage_status, restore_storage_status): Delete declarations.
26003 (init_virtual_regs): Declare.
26004 * output.h (current_function_pops_args,
26005 current_function_returns_struct, current_function_returns_pcc_struct,
26006 current_function_needs_context, current_function_calls_setjmp,
26007 current_function_calls_longjmp, current_function_calls_alloca,
26008 current_function_has_nonlocal_label, current_function_varargs,
26009 current_function_has_computed_jump, current_function_returns_pointer,
26010 current_function_contains_functions, current_function_args_size,
26011 current_function_pretend_args_size, current_function_stdarg,
26012 current_function_outgoing_args_size, current_function_args_info,
26013 current_function_name, current_function_return_rtx,
26014 current_function_epilogue_delay_list,
26015 current_function_uses_const_pool, current_function_cannot_inline):
26016 Delete declarations.
26017 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
26018 regno_reg_rtx): Delete declaration.
26019 (REGNO_POINTER_FLAG): Delete macro.
26020 * stmt.c (expand_goto): Changes to reflect that some fields in struct
26021 function were renamed.
26022 * stor-layout.c (save_storage_status, restore_storage_status): Delete
26024 * toplev.c: Include "function.h".
26025 (current_function_decl): Delete declaration.
26026 (compile_file): Call init_dummy_function_start and
26027 expand_dummy_function_end around some initializations that need to
26029 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
26030 Call init_function_for_compilation.
26031 * unroll.c: Include "function.h"
26032 (unroll_loop): Access regno_pointer_* variables through
26035 * tree.h (struct tree_decl): Add elt f to saved_insns member.
26036 (DECL_SAVED_INSNS): use it.
26037 (expand_dummy_function_end): Declare.
26038 (init_function_for_compilation): Declare.
26039 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
26040 that it's no longer an INLINE_HEADER.
26041 (expand_call): Likewise.
26042 * integrate.c (finish_inline): Delete function.
26043 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
26044 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
26045 args. Don't generate an INLINE_HEADER rtx, just return the arg
26046 vector. All callers changed.
26047 (save_for_inline_copying): Create a duplicate struct emit_status to
26048 hold the emit state for compiling the current function. Use this and
26049 the other new fields in struct function that are for integration
26050 instead of an INLINE_HEADER.
26051 Use memcpy instead of bcopy.
26052 Store the current struct function in DECL_SAVED_INSNS of fndecl.
26053 (save_for_inline_nocopy): Similar changes, except no new emit_status
26055 (expand_inline_function): Get information from function structure,
26056 not from an inline header rtx.
26057 (output_inline_function): Lose code to extract the necessary
26058 information from an inline header; simply put back the function
26059 structure into current_function. Clear its inlinable elt.
26060 * rtl.def (INLINE_HEADER): Delete.
26061 * rtl.h: Delete all accessors for an INLINE_HEADER.
26062 (gen_inline_header_rtx): Delete declaration.
26063 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
26064 Delete declarations.
26065 (REGNO_POINTER_ALIGN): Delete.
26066 (clear_emit_caches): Declare.
26067 (set_new_last_label_num): Declare.
26069 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
26071 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
26073 * except.c (expand_eh_region_start_for_decl): Always start a new block.
26074 * stmt.c (is_eh_region): Make sure current_function is present, too.
26076 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
26078 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
26079 for 64bit PA targets.
26081 * pa.h (SELECT_SECTION): Define.
26082 * som.h (SELECT_SECTION): Delete.
26084 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26086 * alias.c (init_alias_analysis): Wrap call to
26087 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
26089 1999-08-07 Bruce Korb <autogen@linuxbox.com>
26091 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
26092 <sys/asm.h> contains an asm comment with an apostrophe
26093 * fixinc/inclhack.sh: regen
26094 * fixinc/fixincl.x: regen
26096 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
26098 * function.c (init_function_start): Clear prologue & epilogue.
26099 (prologue_epilogue_contains): New function.
26100 * alias.c (init_alias_analysis): Use it.
26101 * rtl.h (prologue_epilogue_contains): Declare it.
26103 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
26105 * jump.c (onlyjump_p): New function.
26106 * rtl.h: Declare it.
26107 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
26108 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
26110 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
26112 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
26113 to invert loops. Simplify block scanning.
26115 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26117 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
26118 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
26120 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
26122 * config/sparc/liteelf.h: New file to support sparclite-elf target
26123 * config/sparc/t-sp86x: New file to support sparc86x targets
26124 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
26125 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
26126 * configure.in: Support above target triplets
26127 * configure: Regenerated
26129 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
26131 * fixinc/server.c (server_setup): Do not prefix function used as
26132 parameter with `&'.
26134 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
26136 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
26137 Remove fp reg alternatives.
26139 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
26141 * Makefiin (TAROUTOPTS): Kill.
26142 (install-headers-tar): Use "xpf" for tar headerfile extraction
26143 * i370/x-oe (TAROUTOPTS): Delete.
26144 * m68k/x-apollo68 (TAROUTOPTS): Delete.
26145 * m68k/x-hp320 (TAROUTOPTS): Delete.
26146 * m68k/x-hp320g (TAROUTOPTS): Delete.
26147 * gcc.texi: Update bug reporting text.
26149 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
26151 * reg-stack.c (change_stack) Fixed problem with negative array index.
26153 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
26155 * extend.texi, install.texi: Fix spelling mistakes.
26157 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
26158 (s-attrtab); No longer try to use pre-made insn-attrtab file.
26159 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
26160 PREMADE_ATTRTAB_MD.
26161 * mips/t-ecoff: Likewise.
26162 * mips/t-elf: Likewise.
26163 * mips/t-mips: Likewise.
26164 * mips/t-osfrose: Likewise.
26165 * mips/t-r3900: Likewise.
26166 * mips/t-svr3: Likewise.
26167 * mips/t-svr4: Likewise.
26168 * mips/t-ultrix: Likewise.
26170 * gcc.texi: Document recommend means to provide software floating
26171 point libraries in libgcc.a
26173 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
26175 * c-lex.c (yylex): We can have a number with no digits.
26177 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
26179 * jump.c (delete_prior_computation): New function, broken
26180 out of delete_computation. Check for side effects with
26181 side_effects_p instead of FIND_REG_INC_NOTE. Handle
26182 multi-word hard registers.
26183 (delete_computation): Use it. Check for side effects with
26184 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
26185 missing REG_DEAD note for a register which is both set and
26188 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
26190 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
26191 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
26192 (ASM_FILE_START): Import _mcount with the right type.
26193 (ASM_DECLARE_FUNCTION_NAME): Define.
26194 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
26195 * pa.c (output_function_prologue): Always emit the function's label
26197 * pa.h (TEXT_SPACE_P): Define.
26198 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
26199 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
26200 * som.h (TEXT_SPACE_P): Delete.
26201 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
26202 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
26204 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
26206 * expr.c (emit_group_load): Allow src to be a CONCAT.
26208 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26210 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
26211 (___mulsi3): Use '!' comment character.
26213 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26215 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
26217 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
26219 * gcc.c: Update URLs and mail addresses.
26220 * gcc.texi: Likewise.
26222 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
26224 * rs6000.c (current_file_function_operand): Return zero for
26226 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
26228 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
26231 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
26233 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
26234 allocate space in the stack frame for the PIC register.
26236 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
26238 * m68k.md (xordi3, anddi3): These patterns are not available on
26241 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
26243 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
26244 (PUT_REAL): Likewise.
26246 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26248 * final.c (shorten_branches): Don't add an alignment for loops
26249 that have no label inside.
26251 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26253 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
26254 prototypes in macro HAVE_cmpstrsi.
26256 * cpplib.c (cpp_get_token): Remove unused label `op3'.
26258 * emit-rtl.c (operand_subword): Remove unused variable
26261 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
26263 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
26265 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
26267 * cpphash.c (macroexpand): Delete leading whitespace when arg
26268 is concatenated before.
26269 (unsafe_chars): Correct test for whether + and - can extend a
26272 * cppinit.c (cpp_start_read): Do dependencies for
26273 -include/-imacros files also.
26275 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
26276 tokenizing non-directive lines.
26277 (cpp_expand_to_buffer): Temporarily disable no-output mode.
26278 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
26281 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
26283 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
26285 * c-lex.c: Sync with C++ frontend.
26286 (linemode): New variable.
26287 (parse_float): imag, conversion_errno, and type are output only.
26288 (yylex): Adjust. Move initial '.' case into main switch.
26290 (handle_generic_pragma): Just deal with tokens.
26291 (readescape): Use ISXDIGIT and ISGRAPH.
26292 * c-parse.in: Add END_OF_LINE token.
26294 * c-lex.c (lang_init): Generalize.
26295 (nextchar): Remove. Replace uses with UNGETC.
26296 (skip_white_space): Handle linemode here. Optimize for cpplib.
26297 (skip_white_space_on_line): Remove.
26298 (extend_token_buffer_to): New fn.
26299 (extend_token_buffer): Use it.
26300 (read_line_number, check_newline): Just deal with tokens.
26301 (token_getch, token_put_back): New fns.
26302 (yylex): Use them. More cpplib optimizations. Simplify.
26304 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
26305 Jason Merrill <jason@yorick.cygnus.com>
26307 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
26308 (consume_string): Make this smart about USE_CPPLIB.
26309 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
26310 (yylex): Rewrite to be intelligent about USE_CPPLIB.
26311 Also, clean up cases where we redundantly set token_buffer[0].
26312 (read_line_number): New fn.
26313 (ignore_escape_flag): New variable.
26315 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
26317 * a29k/t-a29kbare: Fix some comments.
26318 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
26319 (FPBIT, DPBIT): Define.
26320 * a29k/t-vx29k: Likewise.
26321 * arc/t-arc: Likewise.
26322 * arm/t-arm-elf: Likewise.
26323 * arm/t-bare: Likewise.
26324 * arm/t-pe: Likewise.
26325 * arm/t-pe-thumb: Likewise.
26326 * arm/t-semi: Likewise.
26327 * arm/t-thumb: Likewise.
26328 * arm/t-thumb-elf: Likewise.
26329 * arm/t-thumb-linux: Likewise.
26330 * h8300/t-h8300: Likewise.
26331 * i960/t-i960: Likewise.
26332 * i960/t-vxworks960: Likewise.
26333 * m32r/t-m32r: Likewise.
26334 * mips/t-ecoff: Likewise.
26335 * mips/t-elf: Likewise.
26336 * mips/t-r3900: Likewise.
26337 * pa/t-pro: Likewise.
26338 * rs6000/t-aix43: Likewise.
26339 * rs6000/t-beos: Likewise.
26340 * rs6000/t-newas: Likewise.
26341 * rs6000/t-ppccomm: Likewise.
26342 * rs6000/t-rs6000: Likewise.
26343 * rs6000/t-winnt: Likewise.
26344 * rs6000/t-xnewas: Likewise.
26345 * rs6000/t-xrs6000: Likewise.
26346 * sh/t-sh: Likewise.
26347 * sparc/t-elf: Likewise.
26348 * sparc/t-sparcbare: Likewise.
26349 * sparc/t-sparclite: Likewise.
26350 * sparc/t-splet: Likewise.
26351 * v850/t-v850: Likewise.
26352 * mn10200/t-mn10200: Fix comments.
26353 * mn10300/t-mn10300: Likewise.
26355 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
26356 dummy operand. Allocate a new pseudo for the dummy operand.
26357 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
26359 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
26361 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
26363 * configure: Rebuilt.
26364 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
26366 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
26368 * recog.c (preproces_constraints): Zero recog_op_alt before
26369 processing the constraints.
26371 * arm.c (typedef minipool_node): Renamed from pool_node.
26372 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
26373 (add_minipool_constant): New function.
26374 (dump_minipool): New function.
26375 (find_barrier): Remove special case for getting the insn size of
26376 an insn that references the constant pool.
26377 (minipool_fixup): New structure.
26378 (push_minipool_barrier): New function.
26379 (push_minipool_fix): New function.
26380 (note_invalid_constants): New function.
26381 (add_pool_constant, dump_table, fixit, broken_move): Delete.
26382 (arm_reorg): Rewrite code to fix up the constant pool into a
26383 series of mini-pools embedded in the insn stream.
26384 (arm_output_epilogue): New function, made mainly from the body
26385 of output_func_epilogue.
26386 (output_func_epilogue): Move insn generation part of epilogue code
26387 to arm_output_epilogue.
26388 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
26389 * arm.md (pool_range): New attribute.
26390 (zero_extendqidi2): Add attribute pool_range.
26391 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
26392 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
26393 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
26394 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
26395 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
26396 (epilogue): New expand.
26397 (epilogue_insn): New insn. Call arm_output_epilogue.
26399 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
26400 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
26402 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
26404 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
26406 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
26408 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
26410 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
26412 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
26414 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
26416 * global.c: Fix comment.
26418 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
26420 * gcc.c (access_check): New static function.
26421 (find_a_file): Use it when searching a directory list.
26422 * collect2.c (find_a_file): Don't accept directories found when
26423 searching a directory list.
26425 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
26427 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
26428 function parameters with `&'.
26429 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
26431 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
26433 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
26434 or tidy_fallthru_edge if the last insn in the block is not
26435 an unconditional jump or a simple conditional jump.
26437 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26439 * Makefile.in (c-decl.o): Depends on defaults.h.
26441 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
26443 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
26445 (CLASS_MAX_NREGS): Likewise.
26447 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
26449 * cse.c (cse_insn): Fix dumb thinko in last change.
26451 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26453 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
26456 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
26458 * dwarf2out.c (add_location_or_const_value_attribute): Correct
26459 test for sizes of passed and declared parameter types.
26461 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26463 * fixincludes: Fix the return type of bsearch, char* -> void*.
26465 * fixinc/inclhack.def: Likewise.
26467 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
26469 * invoke.texi (-fdump-translation-unit): New option.
26471 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
26473 * expr.h (PROMOTE_PROTOTYPES): Move ...
26474 * defaults.h: ... to here.
26475 * c-decl.c: Include defaults.h instead of expr.h.
26476 * c-typeck.c: Include defaults.h.
26478 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
26480 * toplev.h (errorcount): Declare.
26481 (warningcount): Likewise.
26482 (sorrycount): Likewise.
26483 * c-lex.c (errorcount): Don't declare.
26484 * dwarf2out.c (errorcount): Don't declare.
26486 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
26488 * config/libgloss.h: Add a note discouraging use with ELF.
26489 * configure.in: Don't use libgloss.h for ELF targets.
26490 Always use_collect2 on a.out targets.
26492 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
26494 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
26495 (force_to_mode, case ASHIFTRT): Add shiftrt label.
26497 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26499 * loop.c (strength_reduce): When doing biv->giv conversion, update
26500 reg note of NEXT->insn.
26502 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
26504 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
26506 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
26508 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
26509 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
26510 Ensure expr.h is included.
26511 * c-typecheck.c (convert_arguments): Ditto.
26513 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
26515 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
26516 * config/convex/convex.h: Ditto.
26517 * config/dsp16xx/dsp16xx.h: Ditto.
26518 * config/fx80/fx80.h: Ditto.
26519 * config/gmicro/gmicro.h: Ditto.
26520 * config/i370/i370.h: Ditto.
26521 * config/i386/i386.h: Ditto.
26522 * config/m32r/m32r.h: Ditto.
26523 * config/m68k/m68k.h: Ditto.
26524 * config/m88k/m88k.h: Ditto.
26525 * config/mips/mips.h: Ditto.
26526 * config/pa/pa.h: Ditto.
26527 * config/pyr/pyr.h: Ditto.
26528 * config/tahoe/tahoe.h: Ditto.
26529 * config/we32k/we32k.h: Ditto.
26531 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
26532 based on arch size.
26534 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
26536 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
26539 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
26541 1999-08-02 Richard Henderson <rth@cygnus.com>
26543 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
26544 for the register spill block.
26545 (m32r_va_arg): New.
26546 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
26547 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
26549 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
26550 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
26551 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
26553 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
26555 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
26556 MAX_WCHAR_TYPE defined in sparc.h.
26557 * config/sparc/linuxaout.h: Likewise.
26558 * config/sparc/linux64.h: Likewise.
26559 Also default to -mvis if CPU is UltraSPARC.
26561 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
26563 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
26564 (RTX_OK_FOR_OLO10): Likewise.
26565 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
26566 %lo(), allow it in addresses...
26567 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
26568 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
26569 does not make sense.
26570 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
26571 (sparc_output_scratch_registers): New function.
26572 (output_function_prologue, sparc_flat_output_function_prologue): Use
26574 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
26576 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
26577 * configure.in: Add check for .register pseudo-op support in as and
26578 check for offsetable %lo().
26579 * acconfig.h: Add templates for the above checks.
26580 * configure: Regenerate.
26582 1999-08-02 Richard Henderson <rth@cygnus.com>
26584 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
26585 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
26586 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
26588 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26590 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
26593 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
26595 * config/float-sparc.h: New file.
26596 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
26597 sparc-*-linux-gnu and sparc64-*-linux*.
26599 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26601 * rs6000.c (rs6000_va_list): Type is an array.
26602 (rs6000_va_start): Don't doubly adjust for varargs.
26603 (rs6000_va_arg): Evaluate long long GPR adjustment.
26605 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
26607 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
26608 -maix64 and -maix32.
26609 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
26610 LINK_SPEC): Change appropriately.
26611 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
26612 (u_short_cint_operand): Likewise.
26613 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
26615 * rs6000/t-aix43 (MULTILIB): Change to -m64.
26617 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
26619 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
26621 * rs6000/rs6000.c (num_insns_constant_wide): Correct
26622 for type promotion.
26623 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
26624 (non_add_cint_operand): Likewise.
26625 (logical_operand): Likewise.
26626 (non_logical_cint_operand): Likewise.
26627 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
26628 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
26629 (rs6000_select_rtx_section): Suppress warning.
26630 (small_data_operand): Suppress warning.
26631 (rs6000_got_register): Suppress warning.
26632 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
26633 type, so `J' is generally the wrong constraint for a SImode value;
26635 (andsi3_internal2): Likewise.
26636 (andsi3_internal3): Likewise.
26637 (iorsi3_internal1): Likewise.
26638 (xorsi3_internal1): Likewise.
26640 (movsf_softfloat): Likewise.
26641 (scc insns): Likewise.
26642 (movsi+2): Preserve sign bits of SImode constant.
26643 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
26644 (movdf+1): Sign-extend properly.
26645 (movdi_32+1): Sign-extend properly.
26646 (scc insns): Sign-extend properly.
26648 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
26651 1999-08-02 Richard Henderson <rth@cygnus.com>
26653 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
26654 -mcpu parsing code.
26655 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
26656 * alpha.md (all fp insns): Likewise.
26658 1999-08-02 Nick Clifton <nickc@cygnus.com>
26660 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
26663 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
26665 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
26666 pic_load_label generator directly.
26667 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
26668 No longer a named pattern.
26670 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
26672 * explow.c (force_reg): Call force_operand if X does not
26673 satisfy general_operand.
26675 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
26677 * fix-header.c (main): When testing for CONTINUED, use string
26678 equality, not pointer equality.
26680 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
26682 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
26684 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
26686 * cse.c (cse_insn): Fix loop which deletes insns after a jump
26687 that has become an unconditional jump.
26689 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
26690 (output_function_epilogue): Similarly.
26692 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26694 * tree.h (init_dummy_function_start): Declare.
26696 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26698 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
26699 last_expr_type, last_expr_value, block_start_count, block_stack,
26700 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
26701 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
26702 dynamically in stmt elt of struct function for each function.
26703 (struct nesting): Rename function_call_count elt to n_function_calls,
26704 target_temp_slot_level to block_target_temp_slot_level. All users
26706 (struct stmt_status): New structure definition.
26707 Add many accessor macros for stmt_status elements which previously
26708 were global variables.
26709 (init_stmt_for_function): Allocate stmt elt for current_function.
26710 Reflect that block_start_count was renamed to
26711 current_block_start_count.
26712 (save_stmt_status, restore_stmt_status): Delete functions.
26713 (preserve_subexpressions_p): Don't access loop_stack when outside
26715 (expand_start_bindings): Reflect that block_start_count was renamed to
26716 current_block_start_count.
26717 (expand_fixup): Likewise.
26718 (expand_decl): Don't access block_stack when outside a function.
26719 (expand_decl_cleanup): Likewise.
26720 (expand_dcc_cleanup): Likewise.
26721 (expand_dhc_cleanup): Likewise.
26722 (expand_anon_union_decl): Likewise.
26723 (set_file_and_line_for_stmt): New function.
26724 (in_control_zone_p): New function.
26726 * function.h (struct function): Add new elt stmt.
26727 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
26728 case_stack, nesting_stack, nesting_depth, block_start_count,
26729 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
26730 emit_lineno, goto_fixup_chain.
26731 (save_eh_status, restore_eh_status, save_stmt_status,
26732 restore_stmt_status): Delete declarations.
26733 * function.c (push_function_context_to): Don't call save_stmt_status.
26734 (pop_function_context_to): Don't call restore_stmt_status.
26735 * tree.h (in_control_zone_p): Declare.
26736 * rtl.h (set_file_and_line_for_stmt): Declare.
26738 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
26739 call set_file_and_line_for_stmt.
26741 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
26743 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
26744 Also update copyright.
26746 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26748 * c-pragma.c: Don't include "except.h".
26749 * emit-rtl.c: Likewise.
26750 * stor-layout.c: Likewise.
26751 * tree.c: Likewise.
26752 * varasm.c: Likewise.
26754 * flow.c: Include "function.h".
26755 * tree.h (init_dummy_function_start): Declare new function.
26757 * except.h (struct eh_status): New structure.
26758 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
26760 (eh_return_stub_label, ehstack, catchstack, ehqueue,
26761 catch_clauses, false_label_stack, caught_return_label_stack,
26762 protect_list, current_function_ehc): Add accessor macros for the
26763 corresponding fields in current_function->eh; delete declarations
26764 for all items that used to be declared here.
26765 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
26766 catch_clauses, false_label_stack, caught_return_label_stack,
26767 protect_list, current_function_ehc): Delete variables.
26768 (init_eh_for_function): Allocate current_function->eh.
26769 (save_eh_status, restore_eh_status): Delete functions.
26771 * function.h (struct function): Add fields next_global and eh.
26772 Delete all exception handling related fields.
26773 * function.c (current_function): New variable.
26774 (all_functions): New variable.
26775 (push_function_context_to): Don't allocate a struct function,
26776 use current_function instead. Call init_dummy_function_start when
26777 outside a function. Clear current_function before returning.
26778 (pop_function_context_from): Restore current_function.
26779 Don't free the restored struct function.
26780 (prepare_function_start): New function.
26781 (init_dummy_function_start): New function.
26782 (init_function_start): Break out some code into prepare_function_start
26785 * stmt.c (save_stmt_status): Don't call save_eh_status.
26786 (restore_stmt_status): Don't call restore_eh_status.
26788 * Makefile.in: Update dependencies.
26790 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
26792 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
26793 of depending on a magic constant value. Update comments.
26794 (hppa_expand_prologue): Similarly.
26796 * pa.md (reload_indi, reload_outdi): Allow any register for the
26797 original reload register.
26799 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
26801 * cccp.c (print_help): Change marcos to macros.
26803 1999-07-30 Richard Henderson <rth@cygnus.com>
26805 * c-typeck.c (initializer_constant_valid_p): Move ...
26806 * c-common.c (initializer_constant_valid_p): ... here. Use
26807 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
26808 of label addresses.
26809 * c-common.h (initializer_constant_valid_p): Declare.
26810 * c-tree.h (initializer_constant_valid_p): Remove.
26812 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
26814 * config/i386/sol2-c1.asm: Align the stack.
26815 * config/i386/sol2-gc1.asm: Likewise.
26817 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
26819 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
26820 -Asparclite for sparc86x.
26821 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
26823 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
26825 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
26827 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
26828 the user if using the non-default arch size in BI_ARCH configuration.
26829 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
26831 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
26832 Fix patterns so that they actually match.
26833 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
26834 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
26835 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
26837 (mulsidi3): Reflect this in the expand.
26838 (smulsi3_highpart): Only on TARGET_ARCH32.
26839 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
26840 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
26841 (umulsidi3): Reflect this in the expand.
26842 (umulsi3_highpart): Only on TARGET_ARCH32.
26843 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
26844 don't require g0 to be zero.
26845 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
26846 ({,u}divsi3): New expands.
26847 ({,u}divsi3_sp64): New patterns.
26848 (after lshrdi3_v8plus): Four new patterns to help combiner
26849 optimizing nested mixed mode shifts.
26851 * config/sparc/sparc.c (sparc_override_options): Use deprecated
26852 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
26853 speed things up. Don't use them by default on plain v9 in 64bit
26854 mode, according to what SPAMv9 sais.
26856 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
26857 top 32 bits of %[og][0-7] in signal handlers.
26858 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
26860 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
26862 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
26863 (ashlsi3): Corresponding changes.
26865 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
26867 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
26869 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
26871 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26873 * arm.h (Hint): Delete macro.
26874 Substitute HOST_WIDE_INT for Hint in some prototypes.
26875 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
26877 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
26879 * builtins.c (expand_builtin_setjmp): Use force_operand to
26880 make sure that the buffer address is in a suitable form to be
26881 passed to force_reg.
26883 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
26885 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
26888 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
26890 * pa.md (indirect_jump): Remove mode from match_operand. Verify
26891 proper mode in the condition string.
26892 (icacheflush, dcacheflush): Remove modes from match_operands.
26894 * pa.c (emit_move_sequence): Always convert scratch_reg to the
26895 proper mode before using it.
26897 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
26900 * pa.c (store_reg): Do not call add_high_const generator directly.
26901 (load_reg, set_reg_plus_d): Likewise.
26902 * pa.md (add_high_const): No longer a named pattern.
26904 * pa.c (legitimize_address): Consistently use Pmode rather than
26905 SImode. Do not call gen_pic2_highpart directly anymore.
26906 * pa.md (pic2_highpart): No longer a named pattern.
26907 (pic2_lo_sum): Similarly. Reformat to make more readable.
26909 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
26914 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26916 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
26918 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
26920 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
26921 and tag the spill mems.
26922 (hppa_va_start): New.
26923 (hppa_va_arg): New.
26924 * pa.h (EXPAND_BUILTIN_VA_START): New.
26925 (EXPAND_BUILTIN_VA_ARG): New.
26927 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
26929 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
26930 and tag the spill mems.
26931 (mn10300_va_start): New.
26932 (mn10300_va_arg): New.
26933 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
26934 (EXPAND_BUILTIN_VA_ARG): New.
26936 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
26938 * mn10200.c (mn10200_va_arg): New.
26939 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
26941 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
26943 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
26944 rather than play with TREE_INT_CST_LOW.
26946 1999-07-27 Philip Blundell <pb@nexus.co.uk>
26948 * config/arm/telf.h: Include dbxelf.h.
26949 (CPP_PREDEFINES): Only define if not already defined.
26950 (ASM_IDENTIFY_GCC): Likewise.
26951 (SUBTARGET_EXTRA_SECTIONS): Likewise.
26952 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
26953 * config/arm/thumb.h (LINK_SPEC): Only define if not already
26955 (DBX_DEBUGGING_INFO): Don't define.
26956 * config/arm/linux-telf.h: New file.
26957 * config/arm/linux-tgas.h: New file.
26958 * config/arm/t-thumb-linux: New file.
26959 * config/arm/uclinux-elf.h: New file.
26960 * config/arm/uclinux-telf.h: New file.
26961 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
26962 thumb-*-uclinux): New targets.
26963 * configure: Regenerate.
26965 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
26967 * pa.md (post_store, pre_load): New expanders.
26968 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
26969 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
26970 need to directly generate RTL for them.
26971 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
26974 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
26976 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
26977 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
26978 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
26979 (secndary_reload_class): Make TARGET_ELF conditional compile.
26980 (print_operand_address): Similar.
26981 (output_toc): Print all values as hex.
26982 (get_issue_rate): Rearrange and add RS64A and PPC630.
26983 * rs6000.h (processor_type): Add RS64A and PPC630.
26984 (PROCESSOR_POWERPC64): New.
26985 (PROMOTE_MODE): Use word_mode.
26986 (RTX_COSTS): Add RS64A and PPC630.
26987 * rs6000.md (scheduling information): Add lmul and ldiv
26988 representing 64-bit integer multiply and divide. Add rs64a and
26989 PPC630 information.
26990 (ashldi3): Add support for "rldic" instruction.
26991 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
26993 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
26995 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
26996 instead of V8 for sparclite86x in cpu_table.
26998 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
27000 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
27001 output_file_directive.
27003 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
27005 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
27006 tree for op1, not the rtl.
27008 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
27010 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
27011 to m88k_va_start, leaving only the register spill.
27012 (m88k_build_va_list): New.
27013 (m88k_va_start): New.
27014 (m88k_va_arg): New.
27015 * m88k.h (BUILD_VA_LIST_TYPE): New.
27016 (EXPAND_BUILTIN_VA_START): New.
27017 (EXPAND_BUILTIN_VA_ARG): New.
27019 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
27021 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
27022 Rename from expand_builtin_saveregs.
27023 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
27025 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
27027 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
27028 for the register spill block.
27029 (i960_build_va_list): New.
27030 (i960_va_start): New.
27031 (i960_va_arg): New.
27032 * i960.h (BUILD_VA_LIST_TYPE): New.
27033 (EXPAND_BUILTIN_VA_START): New.
27034 (EXPAND_BUILTIN_VA_ARG): New.
27035 * i960.md (store_multiple): Use change_address on individul mems.
27037 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
27039 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
27041 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
27042 (expand_builtin_va_end): Evaluate arg for side effects.
27043 * c-common.c (c_common_nodes_and_builtins): Construct a
27044 va_list_arg_type_node to handle array decomposition to pointer.
27046 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
27048 * except.c (st_dynamic_cleanup): Use force_operand on the
27051 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
27053 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
27054 * c4x.c (c4x_va_arg): New.
27056 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
27058 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
27059 has manual_pop set.
27061 1999-07-26 Nathan Sidwell <nathan@acm.org>
27063 * eh-common.h (__eh_matcher): Prototype correctly.
27065 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
27067 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
27068 (TARGET_SINGLE_PIC_BASE): Likewise.
27069 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
27071 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
27072 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
27073 (TARGET_OPTIONS): Add -mpic-register=N.
27074 (OUTPUT_INT_ADDR_CONST): New macro.
27075 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
27076 LEGITIMATE_PIC_OPERAND_P): Likewise.
27077 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
27078 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
27079 output_addr_const directly.
27080 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
27082 (thumb_pic_register, thumb_pic_register_string): Declare.
27084 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
27086 (label_mentioned_p): New function: Imported from arm.c.
27087 (legitimize_pic_address): New function: Imported from arm.c.
27088 (is_pic):New function: Imported from arm.c.
27089 (thumb_finalize_pic):New function: Imported from arm.c.
27090 (add_constant): Cope with PIC constants.
27091 (fixit): Cope with PIC constants.
27092 (output_return): Do not treat the PIC register as live if
27093 TARGET_SINGLE_PIC_BASE is true.
27094 (thumb_function_prologue): Do not treat the PIC register as live if
27095 TARGET_SINGLE_PIC_BASE is true.
27096 (thumb_expand_prologue): Do not treat the PIC register as live if
27097 TARGET_SINGLE_PIC_BASE is true.
27098 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
27099 TARGET_SINGLE_PIC_BASE is true.
27100 (thumb_print_operand): Accept '|'.
27101 (thumb_override_options): Process PIC options.
27103 * config/arm/thumb.md (movsi): Support PIC.
27104 (call_insn): Change "i" constraint to "X".
27105 (call_value_insn): Likewise.
27106 (consttable_4, consttable_8, consttable_end): Set and clear
27107 "making_const_table" as appropriate.
27108 (pic_load_addr, pic_add_dot_plus_four): New insns.
27110 * invoke.texi (Thumb Options): Fix spelling. Document new
27111 options -msingle-pic-base and -mpic-register=.
27113 1999-07-26 Andrew Haley <aph@cygnus.com>
27115 * config/m32r/initfini.c (__init): Use a full word immediate for
27116 __fini: this allows it to be placed in any memory region.
27118 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
27119 -mmodel=medium. This is OK for all memory models.
27121 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
27123 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
27124 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
27126 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
27128 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
27131 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
27133 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
27135 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
27136 (BUILD_VA_LIST_TYPE): New.
27137 (EXPAND_BUILTIN_VA_START): New.
27138 (EXPAND_BUILTIN_VA_ARG): New.
27139 * i860.c (output_delayed_branch): Disable.
27140 (output_delay_insn): Likewise.
27141 (i860_saveregs): New.
27142 (i860_build_va_list): New.
27143 (i860_va_start): New.
27144 (i860_va_arg): New.
27145 * i860.md: Disable all peepholes using output_delayed_branch.
27146 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
27148 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
27150 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
27151 (BUILD_VA_LIST_TYPE): New.
27152 (EXPAND_BUILTIN_VA_START): New.
27153 (EXPAND_BUILTIN_VA_ARG): New.
27154 * clipper.c (clipper_builtin_saveregs): Only dump registers.
27155 Return the address of the save area.
27156 (clipper_build_va_list): New.
27157 (clipper_va_start): New.
27158 (clipper_va_arg): New.
27160 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
27162 * arc.h (EXPAND_BUILTIN_VA_START): New.
27163 (EXPAND_BUILTIN_VA_ARG): New.
27164 * arc.c (arc_setup_incoming_varargs): Set alias set of
27166 (arc_va_start): New.
27169 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
27171 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
27172 (BUILD_VA_LIST_TYPE): New.
27173 (EXPAND_BUILTIN_VA_START): New.
27174 (EXPAND_BUILTIN_VA_ARG): New.
27175 * alpha.c (alpha_builtin_saveregs): Delete.
27176 (alpha_build_va_list): New.
27177 (alpha_va_start): New.
27178 (alpha_va_arg): New.
27180 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
27182 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
27184 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
27185 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
27187 * gcc.texi: More changes related to list conversion.
27188 * invoke.texi: Likewise.
27190 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
27192 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
27193 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
27194 (expand_builtin_next_arg): Accept ARGLIST not EXP.
27195 (stabilize_va_list): New function.
27196 (std_expand_builtin_va_start): New function.
27197 (expand_builtin_va_start): New function.
27198 (get_varargs_alias_set): New function.
27199 (std_expand_builtin_va_arg): New function.
27200 (expand_builtin_va_arg): New function.
27201 (expand_builtin_va_end): New function.
27202 (expand_builtin_va_copy): New function.
27203 (expand_builtin): Call them.
27204 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
27205 __builtin_{varargs_start,stdarg_start,end,copy}.
27206 (build_va_arg): New function.
27207 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
27208 (build_va_arg): Declare.
27209 * c-decl.c (ptr_type_node, va_list_type_node): New.
27210 * c-parse.gperf (__builtin_va_arg): New.
27211 * c-parse.in (VA_ARG): New token.
27212 (unary_expr): Recognize it.
27213 * expr.c (expand_expr): Expand VA_ARG_EXPR.
27214 * expr.h (std_expand_builtin_va_start): Declare.
27215 (std_expand_builtin_va_arg): Declare.
27216 (expand_builtin_va_arg): Declare.
27217 (get_varargs_alias_set): Declare.
27218 * tree.def (VA_ARG_EXPR): New.
27219 * tree.h (BUILT_IN_VARARGS_START): New.
27220 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
27221 (ptr_type_node, va_list_type_node): Declare.
27222 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
27223 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
27224 * m88k.h, m88k.c: Likewise.
27225 * mn10300.h, mn10300.c: Likewise.
27226 * pa.h, pa.c: Likewise.
27227 * rs6000.h, rs6000.c: Likewise.
27228 * sh.h, sh.c: Likewise.
27229 * sparc.h, sparc.c: Likewise.
27231 * emit-rtl.c (operand_subword): Copy alias set.
27232 (change_address): Likewise.
27234 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
27236 * pa.c (compute_frame_size): Scan all the used callee saved registers,
27237 not just the first one.
27239 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
27241 * config/arm/arm.h (TARGET_SWITCHES): Add
27242 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
27243 (TARGET_OPTIONS): Add -mpic-register=.
27244 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
27245 (arm_pic_register_string): Declare.
27246 (NEED_PLT_GOT): Delete, replace with ...
27247 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
27248 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
27249 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
27250 * config/arm/arm.c (arm_override_options): Add new option
27252 (arm_pic_register_string): New variable.
27253 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
27254 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
27255 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
27256 (output_return_instruction): Likewise.
27257 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
27258 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
27259 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
27261 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
27262 mention of -msched-prolog. Document new options -msingle-pic-base
27263 and -mpic-register=.
27265 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
27267 * haifa-sched.c (reemit_notes): Tidy.
27268 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
27271 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
27273 * explow.c (trunc_int_for_mode): New function.
27274 (plus_constant_wide): Use it.
27275 * combine.c (simplify_and_const_int): Likewise.
27276 (merge_outer_ops): Likewise.
27277 (simplify_shift_const): Likewise.
27278 * cse.c (simplify_unary_operation): Likewise.
27279 (simplify_binary_operation): Likewise.
27280 * emit-rtl.c (operand_subword): Likewise.
27281 * rtl.h: Declare it.
27283 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
27285 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
27286 (use NUM_REGS instead of NUM_INTS).
27288 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
27290 * builtins.c: New file.
27291 * expr.c (saveregs_value, apply_args_value): Delete definition,
27292 moved into builtins.c.
27293 (string_constant): No longer static.
27294 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
27295 apply_args_size, apply_result_size, result_vector,
27296 expand_builtin_apply_args, expand_builtin_apply,
27297 expand_builtin_return): Delete functions, moved into builtins.c.
27298 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
27299 * expr.h (saveregs_value, apply_args_value): Declare variables.
27300 (expand_builtin, string_constant): Declare functions.
27301 * Makefile.in: Update to build builtin.o.
27303 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
27305 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
27306 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
27307 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
27308 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
27310 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
27313 1999-07-21 Michael Meissner <meissner@cygnus.com>
27315 * print-rtl.c (print_rtx): Print the names of the virtual
27318 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
27320 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
27321 introduced in previous delta.
27323 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
27325 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
27326 to avoid name clash.
27328 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
27330 * c-lex.c (yylex) : Correct the test for overflow when lexing
27333 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
27335 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
27336 (adjust_priority): Always call ADJUST_PRIORITY.
27337 (schedule_insn): Only put insns into the ready at cost 0.
27338 (schedule_block): Remove redundant initial sort. Give clock_var
27339 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
27341 * tm.texi (MD_SCHED_REORDER): Update docs.
27343 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
27344 * sparc.c (ultra_reorder_called_this_block): Delete.
27345 (ultrasparc_sched_init): Don't set it.
27346 (ultrasparc_sched_reorder): Don't check it.
27348 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
27350 * rs6000.h (struct rs6000_args): Add sysv_gregno.
27351 * rs6000.c (init_cumulative_args): Init sysv_gregno.
27352 (function_arg_boundary): Align DFmode.
27353 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
27354 to get fp reg and stack overflow correct.
27355 (function_arg): Likewise.
27356 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
27357 (setup_incoming_varargs): Restructure for ABI_V4; use
27358 function_arg_advance to skip final named argument.
27359 (expand_builtin_saveregs): Properly unskip the last integer arg
27360 when doing varargs. Adjust overflow location calculation.
27362 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
27363 explicitly unsigned.
27364 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
27365 (__VA_GP_REGSAVE): Similarly.
27366 (__va_longlong_p): Delete.
27367 (__va_arg_type_violation): New declaration.
27368 (va_arg): Restructure. Flag promotion errors. Align double.
27369 TFmode passed by reference.
27371 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
27372 in the HOST_BITS_PER_WIDE_INT > 32 case.
27374 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
27376 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
27378 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
27380 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
27381 * toplev.c (documented_lang_options): Add -fpreprocessed.
27382 * cpplib.h (struct cpp_buffer): Add preprocessed.
27383 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
27384 (cpp_start_read): Don't expand macros or emit an initial #line
27385 directive if -fpreprocessed.
27387 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
27389 * cpplib.h (struct cpp_buffer): Added manual_pop for
27390 better C++ tokenization.
27391 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
27392 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
27393 * c-common.c (cpp_token): Make non-static.
27395 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
27397 * c-common.h: New file.
27398 * c-common.c (permanent_obstack): Delete unused declaration.
27399 (c_global_trees): New array.
27400 (c_common_nodes_and_builtins): New function; split off common code
27401 from init_decl_processing in both c-decl.c and cp/decl.c.
27402 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
27403 c_global_trees and accessor macros defined in c-common.h.
27404 Include c-common.h.
27405 * c-decl.c: Delete definitions for tree nodes that were replaced by
27407 (init_decl_processing): Build void_list_node.
27408 Call c_common_nodes_and_builtins; delete code to generate the common
27410 * objc/objc-act.c (build_module_descriptor): Rename variable
27411 void_list_node to avoid clash with c-common.h.
27413 * Makefile.in: Update dependencies.
27414 * objc/Make-lang.in: Likewise.
27416 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
27418 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
27419 (UNIQUE_SECTION_P): Likewise.
27420 (UNIQUE_SECTION): Likewise.
27422 1999-07-19 Linas Vepstas <linas@linas.org>
27424 * config/i370/README: New file.
27425 * config/i370/linux.h: New file.
27426 * config/i370/mvs.h: New file.
27427 * config/i370/oe.h: New file.
27428 * config/i370/t-linux: New file.
27429 * config/i370/t-mvs: New file.
27430 * config/i370/t-oe: New file.
27431 * config/i370/x-oe: New file.
27432 * config/i370/xm-linux.h: New file.
27433 * config/i370/xm-mvs.h: New file.
27434 * config/i370/xm-oe.h: New file.
27436 * i370.c (label_node_t): Add first_ref_page, label_addr,
27437 label_first_ref, label_last_ref members.
27438 (mvs_need_base_reload): Renamed from mvs_label_emitted.
27439 (MAX_MVS_LABEL_SIZE): Define.
27440 (MAX_LONG_LABEL_SIZE): Define.
27441 (alias_node_t, alias_anchor, alias_number): New.
27442 (mvs_function_table): Reorder for EBCDIC.
27443 (ascebc, ebcasc): Unconditionally define.
27444 (i370_branch_dest, i370_branch_length): New functions.
27445 (i370_short_branch, i370_label_scan): New functions.
27446 (mvs_get_label): Renamed from mvs_add_label. Search for
27447 an existing label before creating a new one.
27448 (mvs_add_label): New function.
27449 (mvs_get_label_page): New function.
27450 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
27451 over the entire list.
27452 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
27453 (mvs_check_page) [TARGET_ELF_ABI]: New function.
27454 (mvs_add_alias, mvs_need_alias): New functions.
27455 (mvs_get_alias, mvs_check_alias): New functions.
27456 (handle_pragma): New function.
27457 (mvs_function_check): New function.
27458 (unsigned_jump_follows_p): Search harder.
27459 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
27460 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
27461 * i370.h (TARGET_VERSION): Delete.
27462 (CPP_SPEC, CPP_PREDEFINES): Delete.
27463 (mvs_label_emitted): Delete.
27464 (TARGET_EBCDIC): Delete.
27465 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
27466 (HANDLE_PRAGMA): Define.
27467 (HARD_REGNO_NREGS): Handle complex modes.
27468 (HARD_REGNO_MODE_OK): Likewise.
27469 (CLASS_MAX_NREGS): Likewise.
27470 (RET_REG): Likewise.
27471 (EXTRA_CONSTRAINT): Define.
27472 (RETURN_IN_MEMORY): True for DImode.
27473 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
27474 (FUNCTION_PROFILER): Delete.
27475 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
27476 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
27477 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
27478 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
27479 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
27480 (ASM_FILE_START): Add "RMODE ANY".
27481 (ASM_OUTPUT_EXTERNAL): Check for aliases.
27482 (ASM_GLOBALIZE_LABEL): Likewise.
27483 (ASM_OUTPUT_LABELREF): Likewise.
27484 (ASM_OUTPUT_COMMON): Likewise.
27485 (PRINT_OPERAND): Handle 'K', 'W', default.
27486 (PRINT_OPERAND_ADDRESS): New.
27487 (Lots of defines): Add support for TARGET_ELF_ABI.
27488 * i370.md (attr length): New. Define for all patterns.
27489 (*): Lots of tweeks to assembly output and constraints.
27491 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
27493 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
27494 Disable patterns performing SImode comparisons with SImode values
27495 if TARGET_POWERPC64 and instruction does not sign-extend or does
27496 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
27497 differ for signed quantities.
27498 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
27499 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
27500 (decrement_and_branch_on_count): Add 64-bit variant.
27502 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
27504 * final.c (output_asm_insn): When searching for the matching string
27505 for a given dialect, don't run past the end of the list of
27506 alternatives if there are fewer alternatives in the template than
27509 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
27511 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
27512 Removed paragraph about compression of files and size limitation,
27513 duplicated in the FAQ. Use gcc-patches for posting patches.
27514 * gcc.c (main): Updated URL with bug reporting instructions to
27515 gcc.gnu.org. Removed e-mail address.
27516 * system.h (abort): Likewise.
27518 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
27520 * Makefile.in (stmp-multilib-sub): Make the files extracted
27521 from $(LIBGCC1) writable.
27523 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
27525 * config/arm/aout.h: Reformat for improved readability.
27527 * config/arm/arm.h: Reformat for improved readability.
27528 Replace uses of fprintf with asm_fprintf where appropriate.
27529 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
27530 function declaration assembler actions.
27531 (NUM_INTS): New macro: Convert from bytes to words.
27532 (NUM_REGS): New macro: Compute number of registers required to
27533 hold a quanitity of tyep MODE.
27534 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
27536 (NUM_ARG_REGS): New macro: The number of argument registers
27538 (ARG_REGISTER): New macro: Compute the register number of the Nth
27540 (LAST_ARG_REGNUM): New macro: The number of the last argument
27542 (SP_REGNUM): New macro: Register number of the stack pointer.
27543 (FP_REGNUM): New macro: Register number of the frame pointer.
27544 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
27545 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
27546 CUMULATIVE_ARGS so that it counts registers not bytes.
27548 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
27550 Replace uses of fprintf with asm_fprintf where appropriate.
27551 (output_ascii_pseudo_op): Replace with version from thumb.c
27553 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
27555 * config/arm/elf.h (CPP_PREDEFINES): Replace with
27556 SUBTARGET_CPP_SPEC.
27557 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
27558 (ASM_FILE_START): Emit ASM_APP_OFF.
27560 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
27562 * pa.c (compute_frame_size): Round frame according to
27563 STACK_BOUNDARY rather than a hardwired value.
27565 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
27567 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
27569 * configure: Rebuilt.
27571 * configure.in (hppa*-*-linux*): New configuration.
27572 * configure: Rebuilt.
27573 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
27574 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
27575 * pa/pa-linux.h: New file.
27576 * pa/t-linux: New file.
27577 * pa/xm-linux.h: New file.
27579 * pa.c (hppa_legitimize_address): Change references from SImode to
27580 either Pmode or word_mode as appropriate.
27581 (emit_move_sequence, store_reg, load_reg): Likewise.
27582 (set_reg_plus_d, hppa_expand_prologue): Likewise.
27583 (output_mul_insn): Likewise.
27584 * pa.h (PROMOTE_MODE): Likewise.
27585 (INITIALZE_TRAMPOLINE): Likewise.
27586 (Pmode): Define to word_mode.
27588 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
27589 value of 4. Allocate 8 bytes for each FP register save.
27590 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
27592 (hppa_expand_prologue): Likewise.
27593 * pa.h (PROMOTE_MODE): Likewise.
27594 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
27595 (FUNCTION_ARG_BOUNDARY): Likewise.
27597 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
27599 * pa.c (out_of_line_prologue_epilogue): Delete.
27600 (override_options): Remove -mspace related code.
27601 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
27602 (compute_frame_size): Only allocate space for register that
27603 actually need to be saved.
27604 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
27605 (TARGET_SWITCHES): Remove -mspace, -mno-space
27606 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
27607 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
27608 * pa/ee.asm, pa/ee_fp.asm: Delete.
27610 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
27612 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
27613 directive in column zero.
27615 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
27617 * m68k.c (output_function_prologue): Fix computation of save mask
27618 when generating PIC code.
27620 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
27622 * tree.c (build_type_attribute_variant): Move current_obstack restore
27623 after build_qualified_type call.
27625 1999-07-15 Mark Mitchell <mark@codesourcery.com>
27627 * configure.in: Use t-iris6, even with GNU LD.
27628 * config/mips/iris6gld.h: Fix typo in linker spec.
27629 * config/mips/t-iris6gld: Remove.
27631 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
27633 * rs6000.md (insv, extzv): Remove SImode dependence in named
27634 patterns. Explicitly generate DImode RTL if PowerPC64 and
27636 (insvdi): Reverse start and size in instruction template.
27638 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
27640 * invoke.texi: Typo fixes.
27642 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
27644 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
27645 handle at this time instead of silently generating incorrect code.
27646 (gen_imagpart): Likewise.
27648 * reload.c (find_reloads): Emit a USE for a pseudo register without
27649 a hard register if we could not create an optional reload for the
27652 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27654 * c-typeck.c (output_init_element, process_init_element):
27655 When advancing constructor_unfilled_fields for a RECORD_TYPE,
27656 check for nameless bit fields.
27658 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
27660 * regclass.c (scan_one_insn): Notice subregs that change the
27661 size of their operand.
27662 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
27664 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
27666 * configure.in (alpha*-*-*): Include alpha/t-ieee.
27667 * configure: Rebuilt.
27668 * alpha/t-ieee: New file.
27670 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
27672 * rs6000.c (find_addr_reg): Do not select r0 as an address
27675 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
27677 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
27679 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
27681 * rs6000.md (movsf): Do not force easy FP constants into memory.
27683 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
27684 immed_double_const to ensure they are properly truncated then
27687 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
27689 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
27690 always unless NO_DEBUG is used. Compile this code
27692 (replace_symbols_in_block): Compile it unconditionally.
27694 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
27696 * configure.in (i?86-*-elf*): New target.
27697 * configure: Rebuilt.
27698 * i386/i386elf.h, i386/t-i386elf: New files.
27700 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
27702 * toplev.c (main): Don't complain about saying -gdwarf.
27703 (rest_of_compilation): Remove redundant code.
27705 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
27707 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
27709 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
27711 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
27712 "Li960R:", to avoid name clash.
27714 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
27716 * loop.c (check_dbra_loop): When reversing a loop, delete all
27717 REG_EQUAL notes referencing the reversed biv except those which are
27718 for a giv based on it.
27720 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
27722 * version.c: Drop "gcc-" prefix from version #.
27724 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
27726 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
27727 the label if we're being verbose.
27729 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
27731 * m68k.c (output_function_prologue): Add pic register to mask
27732 if live and flag_pic.
27733 (output_function_epilogue): Likewise.
27735 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
27737 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
27738 directives in column zero.
27740 * pa/elf.h (ASM_FILE_START): Define.
27741 * pa/som.h (ASM_FILE_START): Include .level directives.
27742 * pa/hpux10.h (ASM_FILE_START): Delete.
27743 * pa/hpux11.h (ASM_FILE_START): Delete.
27745 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
27747 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27749 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
27750 when reload_out equals reload_in.
27752 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
27754 * invoke.texi (Spec Files): New node: Describe the contents of
27757 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
27759 * invoke.texi (DEC Alpha Options): Put @end table at
27760 beginning of line, to avoid confusing texi2html.
27762 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
27764 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
27765 introduced in previous delta.
27767 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
27769 * reload1.c (gen_reload): When synthesizing a 3 operand add
27770 sequence, improve test for when to reload OP1 into the reload
27771 register instead of OP0.
27773 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
27775 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
27777 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
27779 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
27782 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
27784 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
27785 (va_dcl): Use __builtin_va_alist_t.
27787 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
27789 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
27790 on the permanent_obstack.
27791 * dwarfout.c (output_type): Likewise.
27793 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
27795 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
27796 Merged from c-typeck.c and cp/typeck.c.
27797 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
27798 Merged into c-common.
27800 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
27802 * c-lex.c (errorcount): Declare it.
27803 (finish_parse): Update errorcount when using CPPLIB.
27805 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
27807 * fixinc/inclhack.def(end_else_label): Double the backslash so
27808 sed gets a chance to see it.
27809 * fixinc/inclhack.sh: regen
27810 * fixinc/fixincl.x: regen
27812 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
27814 Add framework to support armv5 architecture when it becomes
27817 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
27818 (arm_arch5): New variable.
27819 (all_architectures): Add armv5 line.
27820 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
27821 -march=armv5 is specified on the command line.
27822 (arm_arch5): Export this variable.
27823 * invoke.texi: Document new string accepted by -march= switch for
27826 * config/arm/arm.h: Replace use of constant 12 as a register
27827 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
27828 * config/arm/arm.c: Replace use of constant 12 as a register
27829 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
27831 * config/arm/elf.h: Tidy up.
27832 * config/arm/coff.h: Tidy up.
27834 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
27836 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
27837 * gcc/config/mips/t-iris6gld: New file.
27838 * gcc/config/mips/iris6gld.h: Likewise.
27840 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
27842 * c-decl.c (widest_integer_literal_type_node,
27843 widest_unsigned_literal_type) : New.
27844 (init_decl_processing): Handle/use the two new types.
27845 * c-common.c (type_for_size,type_for_mode) : Same.
27846 * c-lex.c (yylex) : Same.
27847 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
27849 * c-tree.h (widest_integer_literal_type_node,
27850 widest_unsigned_literal_type) : New.
27852 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
27854 * dwarfout.c (field_byte_offset): Correctly compute the object's
27855 byte offset for the first bit of a field which crosses an alignment
27856 boundary on a !BYTES_BIG_ENDIAN target.
27858 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
27860 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
27863 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
27864 Jeff Law <law@cygnus.com>
27866 * ginclude/varargs.h (va_dcl): Use word_mode for type of
27869 * except.c: Include intl.h.
27870 (expand_eh_return): Set current_function_cannot_inline.
27871 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
27872 * function.h (struct function): Add eh_return_stub_label.
27873 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
27874 * Makefile.in (except.o): Depend on intl.h.
27876 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
27878 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
27879 same as offsettable in cases 1 and 2.
27881 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
27883 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
27884 (extlh, extwh): Likewise.
27886 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
27888 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
27890 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
27892 * configure.in: Add arm-pe and thumb-pe targets.
27893 * configure: Regenerate.
27895 * thumb.c (arm_naked_function_p): New function: Determines if
27896 a function is naked (has no gcc generated prologue/epilogue).
27897 (is_called_in_ARM_mode): Return true if the func has the
27898 interfacearm attribute.
27899 (output_return): Do not generate a return for naked functions.
27900 (thumb_function_prologue): Do not generate a prologue for
27902 (thumb_expand_prologue): Do not generate a prologue for naked
27904 (thumb_expand_epilogue): Do not generate an epilogue for naked
27906 (arm_valid_machine_decl_attribute): New function, copied from
27907 arm.c: Permit naked and interfacearm attributes.
27909 * config/arm/pe.c: New file: Support code for arm-pe target.
27910 * config/arm/pe.h: New file: Header file for arm-pe target.
27911 * config/arm/tpe.h: New file: Header file for thumb-pe target.
27912 * config/arm/t-thumb-pe: New file: Makefile fragment for
27915 1999-07-01 Mark Kettenis <kettenis@gnu.org>
27917 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
27918 -fPIC or -fpic is specified.
27920 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
27922 * expr.c (emit_block_move): Use copy_to_mode_reg for
27923 !TARGET_MEM_FUNCTIONS case too.
27925 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
27927 * configure: Rebuilt.
27928 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
27929 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
27930 definitions made redundant by dbxelf.h inclusion. Delete
27931 lots of definitions related to assembly output that are
27932 specific to the SOM object format.
27933 * pa.c (output_function_prologue): Do not emit the function's
27935 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
27936 * pa-pro.h: Deleted.
27937 * som.h: New file with SOM specific definitions.
27938 * elf.h: New file with ELF specific definitions.
27940 * elfos.h (const_section): Output a tab before assembler directives.
27941 (ctors_section, dtors_section): Likewise.
27942 (ASM_OUTPUT_SECTION_NAME): Likewise.
27944 * pa/pa1.h: Delete unused file.
27946 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
27948 * configure.in (hppa*-hp-hpux11*): New configuration.
27949 * configure: Rebuilt.
27950 * pa/pa-hpux11.h: New file.
27951 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
27954 * mips.md (leasi, leadi): New patterns.
27956 * expr.c (emit_block_move): Properly handle case where one of the
27957 block move arguments has a queued increment or decrement.
27958 (clear_storage): Similarly. Fix formatting goof.
27960 1999-06-28 "David O'Brien" <obrien@NUXI.com>
27962 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
27963 semicolon from the BSD VA_LIST replacement expression.
27965 * fixinc/inclhack.sh: regen
27966 * fixinc/fixincl.x: regen
27968 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
27969 now use the fixincl program.
27971 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
27973 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
27974 case. Also make the PIC register call_used.
27976 * m68k.h (FINALIZE_PIC): Delete.
27977 * m68k.c (finalize_pic): Delete.
27979 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
27981 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
27984 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
27986 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
27988 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
27990 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
27992 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
27994 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
27996 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
27998 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
28000 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
28002 * rs6000.c (output_toc): Always use hex values for floating-point
28003 constants. Store single-precision values in upper-half of TOC
28004 entry in 64-bit mode.
28005 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
28006 to final constraints.
28007 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
28008 (fctiwz): Improve accuracy of RTL for pattern.
28010 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
28012 * expr.c (expand_expr): Allow RTL_EXPR's through the
28013 MAX_INTEGER_COMPUTATION_MODE checks.
28015 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
28017 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
28018 such that MASK_SUPPORT_ARCH is not negative.
28020 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
28022 * loop.c (verify_dominator): Properly handle ADDR_VEC and
28023 ADDR_DIFF_VEC insns that appear inside loops.
28025 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
28026 Jeff Law <law@cygnus.com>
28028 * rs6000.md (movdf_hardfloat32): Revert previous patch.
28029 Handle LO_SUM the same as offsettable in cases 1 and 2.
28030 * rs6000.c (find_addr_reg): Revert previous patch.
28032 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
28034 * system.h (strstr): New external function declaration.
28035 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
28036 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
28037 * config.in, configure: Rebuilt.
28039 1999-06-24 Tom Tromey <tromey@cygnus.com>
28041 * gcc.c (main): Read user-specified specs files after computing
28042 additional startfile_prefixes.
28044 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
28046 Revert these two patches:
28048 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28049 * loop.c (strength_reduce): When doing biv->giv conversion, update
28050 reg note of NEXT->insn.
28052 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28053 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
28055 (recombine_givs): Set ix field after sorting.
28057 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28059 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
28060 for the parts of an UNSPEC / UNSPEC_VOLATILE.
28062 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
28064 *fixinc/inclhack.def: Add fix development commentary
28065 (read_ret_type): reactivate and add selection clause
28066 (zzz_*): tweak output file name to match what is used in hackshell.tpl
28067 *fixinc/{fixincl.x|inclhack.sh}: regen
28069 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
28071 * expr.c (expand_expr): STRIP_NOPS before checking against
28072 MAX_INTEGER_COMPUTATION_MODE
28073 (check_max_integer_computation_mode): Likewise.
28075 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
28077 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
28079 1999-06-22 Jim Wilson <wilson@cygnus.com>
28081 * expr.c (store_expr): When target is a promoted subreg, return a
28082 promoted subreg as a result.
28084 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
28086 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
28088 (dwarf2out_define): Mark unused parameters appropriately.
28089 (gen_unspecified_parameters_die): Ditto.
28090 (gen_subprogram_die): Fix signed/unsigned warnings.
28091 (gen_variable_die): Ditto.
28093 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
28095 * fixinc/inclhack.def(end_else_label): combined else_label
28096 and endif_label and fixed the sed expression.
28097 *fixinc/{fixincl.x|inclhack.sh}: regen
28099 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
28101 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
28102 'x' when handling non-offsettable addresses
28104 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
28106 * final.c (shorten_branches): Don't try to split an insn that has
28109 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
28111 * config/mips/mips.c (symbolic_expression_p): New function.
28112 (mips_select_rtx_section): Put symbolic expressions in the
28113 data section, not the read-only data section.
28115 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
28117 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
28119 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
28121 * collect2.c (main): Log frame table count.
28122 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
28123 (scan_prog_file) [COFF]: Handle frame tables.
28125 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
28126 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
28127 * alpha/elf.h: Undef them again.
28128 * alpha/vms.h: Remove their definitions.
28130 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28132 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
28133 remove the clobber of r0 and change the REG_UNUSED note to
28136 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
28138 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
28139 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
28140 fits in HOST_WIDE_INT and one uses union to access a long constant
28143 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
28145 * sparc.c (sparc_override_options): Don't allow profiling for
28146 code models other than medlow.
28147 (sparc_function_profiler): New function from old FUNCTION_PROFILER
28148 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
28149 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
28150 (sparc_block_profiler): Likewise.
28151 (sparc_function_block_profiler_exit): Likewise.
28152 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
28153 (FUNCTION_BLOCK_PROFILER): Likewise.
28154 (BLOCK_PROFILER): Likewise.
28155 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
28156 (MCOUNT_FUNCTION): New.
28157 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
28158 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
28159 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
28160 (MCOUNT_FUNCTION): New.
28161 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
28162 (BLOCK_PROFILER): Delete.
28163 (MCOUNT_FUNCTION): New.
28165 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
28167 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
28169 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
28171 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
28174 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
28177 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
28180 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
28183 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
28185 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
28188 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
28190 * i386/djgpp.h (LIB_SPEC): New.
28191 (STARTFILE_SPEC): New.
28193 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
28195 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
28197 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
28200 * system.h (WSTOPSIG): New macro.
28202 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
28204 * c-pragma.c (push_alignment): Don't ignore alignments greater than
28206 (insert_pack_attributes): Take into account member natural
28209 * i386/winnt.c (exports_head): New static variable.
28210 (i386_pe_record_exported_symbol): New function.
28211 (i386_pe_asm_file_end): Use.
28212 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
28213 symbols to be emitted at end of assembly.
28214 (ASM_DECLARE_OBJECT_NAME): Likewise.
28215 (ASM_DECLARE_FUNCTION_NAME): Likewise.
28217 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
28220 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
28222 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
28225 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
28227 * haifa-sched.c (sched_analyze_1): Use free_list instead of
28228 zapping reg_last_uses directly.
28229 (sched_analyze_2, sched_analyze_insn): Likewise.
28230 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
28232 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
28234 * rs6000.md (movdf_hardfloat32): Use worst case insn length
28235 attributes for cases 1 and 2.
28237 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
28239 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
28242 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
28244 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
28246 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
28248 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
28249 PIC_OFFSET_TABLE_REGNUM for general alloaction.
28250 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
28251 must be stacked if it is used for PIC accesses.
28252 * arm.c (use_return_insn): Handle PIC register specially.
28253 (output_return_instruction): Likewise.
28254 (output_func_{prologue,epilogue}): Likewise.
28255 (output_expand_prologue): Likewise.
28257 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
28258 (*strsi_predec): Renamed from *strqi_predec.
28259 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
28260 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
28262 * arm.c (arm_override_options): Remove warning about PIC code
28263 not being supported.
28265 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
28267 * rs6000.c (find_addr_reg): New function.
28268 * rs6000.h (find_addr_reg): Declare.
28269 (offsettable_addr_operand): Delete.
28270 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
28271 from and stores to GPRs.
28273 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
28275 * alpha.c (alpha_expand_block_move): Use get_insns rather than
28276 gen_sequence as argument to emit_no_conflict_block.
28278 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
28280 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
28281 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
28282 *fixinc/fixincl.x: regen
28283 *fixinc/inclhack.sh: regen
28285 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
28287 * added support for -mpcrel (PC relative addressing for m68k)
28288 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
28289 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
28290 * m68k.c (print_operand_address): Handle 32-bit PIC case.
28291 (comments for general_src_operand): Add some explanation
28292 about EXTRA_CONSTRAINTS.
28293 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
28294 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
28295 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
28296 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
28297 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
28298 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
28299 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
28300 if not already set.
28301 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
28302 * m68k.h (TARGET_PCREL): New target flag.
28303 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
28304 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
28305 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
28306 contains a SYMBOL_REF. Relax this constraint during reload, since
28307 we want to use the predicates, not reload's built-in concept of a
28308 valid memory address, to control what insns need reloading.
28309 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
28310 operands (essentially 'g', 'm', and 's' under normal circumstances).
28311 * m68k.c (print_operand): Cause printing of pc-relative addresses
28312 to include pc register.
28313 (print_operand_address): Ditto.
28314 (general_src_operand): Accept operands that are not only
28315 general_operands, but are also valid when used as a pc-relative
28317 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
28318 (memory_src_operand): Similar, for memory_operands.
28319 (pcrel_address): New predicate to accept the special case of a
28320 pc-relative address.
28321 * m68k.md (many patterns): Rewrite common SImode, HImode, and
28322 QImode insns to accept *_src_operand instead of *_operand where
28323 pc-relative operands can fit. For example, a pc-relative operand
28324 can be used as a memory source operand for addsi3, but not as a
28325 memory destination.
28326 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
28328 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
28330 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
28331 .thumb_set pseudo op to mark aliases of thumb functions.
28333 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
28335 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
28336 preference to ASM_OUTPUT_DEF, if it is defined.
28338 * tm.texi: Document new, optional target macro
28339 ASM_OUTPUT_DEF_FROM_DECLS.
28341 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
28343 * fixincludes: ISCNTL patch
28344 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
28345 (dgux_int_varargs): new for DG/UX
28346 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
28348 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
28350 * invoke.texi (ia32 options): Fix typo.
28352 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28354 * loop.c (strength_reduce): When doing biv->giv conversion, update
28355 reg note of NEXT->insn.
28357 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
28359 * loop.c (move_movables): Note issues with replacing REGs with
28361 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
28363 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
28365 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
28367 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
28368 the reference to `mcount' was not correct for the ELF on FreeBSD.
28370 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28372 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
28375 (recombine_givs): Set ix field after sorting.
28377 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
28379 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
28380 to safe to extract a subword out of a REG.
28382 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28384 * sh.md (mulsi3): Don't add a no-op move at the end.
28386 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28388 * cse.c (cse_insn): Don't put hard register source into tables for
28389 the last insn of a libcall.
28391 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28393 * loop.c (strength_reduce): Insert sets of derived givs at every
28394 biv increment, even if it's the only one.
28396 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
28398 * dwarfout.c (add_incomplete_type): New fn.
28399 (output_type): Call it.
28400 (retry_incomplete_types): New fn.
28401 (dwarfout_finish): Call it.
28403 From Eric Raskin <ehr@listworks.com>:
28404 (output_type): Output types for bases.
28406 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
28408 * mips.c (mips_output_conditional_branch): Add `break'
28409 between `default' label and `close braces'.
28411 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
28413 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
28414 specifications and make it realistic.
28415 (LIB_SPEC): Likewise.
28417 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
28419 * config/mips/mips.c (mips_secondary_reload_class): Check for
28420 (PLUS (SP) (REG)) and return appropriate register class.
28421 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
28422 Handle (PLUS (SP) (REG)).
28423 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
28424 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
28425 of emit_insn for tablejump.
28427 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
28429 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
28430 asm_fprintf format string by itself.
28431 (output_function_profiler): Likewise.
28433 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
28435 * combine.c (simplify_logical, case AND): Only call
28436 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
28437 or the constant is positive.
28439 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
28441 * configure.in: Fix typo in rs6000-ibm-aix4 case.
28442 * configure: Regenerate.
28444 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
28446 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
28447 require a sub-version #.
28448 * configure: Rebuilt.
28450 1999-06-14 Robert Lipe (robertlipe@usa.net)
28452 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
28454 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
28456 * c-typeck.c (process_init_element): Detect excess elements in
28457 char array initializer.
28459 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
28461 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
28463 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
28465 * invoke.texi (Option Summary): Add -fpermissive flag.
28467 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
28469 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
28470 that require PIC code sequences.
28472 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
28474 * configure.in: Add new target: thumb-elf.
28475 * configure: Regenerate.
28476 * config/arm/t-thumb-elf: New file: Makefile fragment for
28478 * config/arm/telf.h: New file: Header file for thumb-elf
28481 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
28483 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
28484 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
28485 initializers is some circumstances.
28487 * fixinc/inclhack.def (endif_label): Add additional selector for
28488 more bogus stuff after #endif statements.
28489 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
28491 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
28493 * i386/cygwin.h (SET_ASM_OP): Define.
28495 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
28497 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
28499 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28501 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
28504 * sh.md (ic_invalidate_line_i): Remove second alternative.
28506 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
28508 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
28509 test for the presence of valid prototypes. Delete bypass expr.
28510 (ioctl_fix_ctrl): Correct the selection expression.
28511 (no_double_slash): Correct quoting rules
28512 *fixinc/fixincl.x: regen
28513 *fixinc/inclhack.sh: regen
28515 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
28517 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
28519 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
28521 * rs6000.md (movsi_got_internal_mem): Delete.
28522 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
28523 (GOT_TOC_REGNUM): Delete.
28524 (PIC_OFFSET_TABLE_REGNUM): Define.
28525 (FINALIZE_PIC): Disable.
28526 * rs6000.c (rs6000_got_register): New code for fixed pic register.
28527 (rs6000_replace_regno): Delete.
28528 (rs6000_finalize_pic): Likewise.
28529 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
28531 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28533 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
28534 is a note; use <= for the compare; advance P while it is
28537 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
28539 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
28540 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
28542 * varasm.c (remove_from_pending_weak_list): Verify t->name
28543 is non-NULL before passing it to strcmp.
28545 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
28547 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
28548 the typed arguments are not part of a comment
28549 (ioctl_fix_ctrl): Added a purpose comment
28550 *fixinc/fixincl.x: regenerate
28551 *fixinc/inclhack.sh: regenerate
28553 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
28555 * invoke.texi: Add C4x invocation docs.
28557 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
28559 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
28561 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
28563 (c4x_legitimize_reload_address): New function.
28564 * config/c4x/c4x.md: Update docs.
28566 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
28568 * fixincludes: Avoid removing '.'.
28569 * fixinc/fixinc.svr4: Likewise.
28570 * fixinc/fixinc.winnt: Likewise.
28571 * fixinc/inclhack.tpl: Likewise.
28572 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
28574 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
28576 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
28578 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
28580 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
28582 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
28585 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
28587 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
28588 * configure: Regenerate.
28590 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
28592 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
28595 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
28597 * fixinc/inclhack.def (avoid_bool): Also catch
28598 "typedef [unsigned] int bool".
28599 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
28601 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
28602 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
28603 * configure: Rebuilt.
28605 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
28607 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
28608 such that we can override its definitions if necessary.
28609 (CPP_SPEC): New define. Support processor specific predefines via
28611 (CC1_SPEC): New define. Support processor specific compiler
28612 options via %(cc1_cpu).
28613 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
28616 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
28618 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
28619 between sed's -e flag, and the open-quote following it.
28620 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
28622 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
28623 Jeffrey A Law (law@cygnus.com)
28625 * varasm.c (assemble_start_function): Remove the function
28626 from the pending weak decls list when we define a function.
28627 (assemble_variable): Similarly for variables.
28628 (weak_finish): Ignore items on the list with a NULL name.
28629 (remove_from_ending_weak_list); New function to "remove" an item
28630 from the pending weak declarations list.
28632 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
28634 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
28636 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
28638 * c-lex.c (GETC): Redefine to call getch.
28639 (UNGETC): Redefine to call put_back.
28640 (putback_buffer): New structure type.
28641 (putback): New static structure.
28642 (getch): New function.
28643 (put_back): New function.
28644 (yylex): Replace unused bytes from bad multibyte character.
28646 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
28648 * cpplib.c (do_define): Cast `alloca' return value.
28649 (do_include, do_undef, do_pragma): Likewise.
28650 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
28652 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
28653 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
28655 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
28657 * sparc.md (abstf2): This should be an expand.
28658 (split after abstf2_notv9): Fix mode.
28659 (abstf2_hq_v9): New pattern.
28660 (abstf2_v9): Only use when no hard quad.
28661 (absdf2_v9): Fix if target is not the same as source.
28662 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
28663 Add correct output constraints.
28665 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
28667 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
28668 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
28670 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
28672 * mips.h (mips_output_conditional_branch): New function.
28673 (mips_adjust_insn_length): Likewise.
28674 (ASSEMBLER_SCRATCH_REGNUM): New macro.
28675 (ADJUST_INSN_LENGTH): Likewise.
28676 * mips.c (print_operand): Add `F' and `W' for floating-point
28677 comparison opcodes.
28678 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
28680 (mips_adjust_insn_length): New function.
28681 (mips_output_conditional_branch): New function.
28682 * mips.md (length): Adjust attribute definition to handle
28683 conditional branches. Change lengths to bytes, rather than
28684 instructions throughout. Remove length attribute from
28685 instructions whose length is four bytes, and rely on the default
28687 (dslot): Fix typo in comment.
28688 Reword conditional branch patterns to use
28689 mips_output_conditional_branch.
28691 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
28693 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
28694 (LIB_SPEC): Likewise.
28695 Link with -lprof1_r for -g/-pg.
28697 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
28699 * loop.c (check_dbra_loop): Fix change of Jan 19.
28701 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
28703 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
28704 (STARTFILE_SPEC): Define, override the svr4.h version.
28705 (ENDFILE_SPEC): Likewise.
28707 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
28709 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
28710 * fixinc/fixincl.x: Regenerated.
28711 * fixinc/inclhack.sh: Regenerated.
28713 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28715 * sh.c (barrier_align): Don't return early for normal branch/barrier
28716 when optimizing for SH2.
28718 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
28720 * i386/udk.h (LINK_SPEC): Correct linker search path for
28723 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28725 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
28726 (braf_label_ref_operand): Delete.
28727 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
28728 * sh.md (casesi_jump_2): Operand1 is now the inside of a
28729 label_ref, and has no predicate.
28730 The patten has a predicate to guard against invalid substitutions.
28731 (dummy_jump): Delete.
28732 (casesi): Update use of casesi_jump_2.
28734 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
28736 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
28737 *fixinc/fixincl.x: regenerate
28738 *fixinc/inclhack.sh: regenerate
28740 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
28742 * dwarf2out.c (add_incomplete_type): New fn.
28743 (gen_struct_or_union_type_die): Call it.
28744 (retry_incomplete_types): New fn.
28745 (dwarf2out_finish): Call it.
28747 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
28749 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
28750 current block starts with a CODE_LABEL and ends with a CALL and
28751 we can not find all the argument setup instructions for the CALL.
28753 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
28755 Revert this change:
28756 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
28757 something is a candidate for optimize_bit_field_compare.
28759 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28761 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
28763 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
28765 * alpha.c (override_options): Thinko in last patch.
28767 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
28768 (LIB_SPEC): Recognize -pthread.
28770 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
28772 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
28773 definition in config/arm/coff.h
28774 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
28776 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
28778 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
28779 fixes that need "file=xxx\n" prepended before invocation
28780 (start_fixer - new): starting the fixer process is complex enough
28781 to warrent its own routine. It prepends the "file=xxx\n" stuff.
28782 (process): uses the new routine; omit usage of putenv()
28783 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
28784 * fixinc/fixincl.x: regenerate
28786 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
28788 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
28789 and version #s (1.1 -> 2.96) as needed.
28790 * README.g77: Kill way out of date file in the toplevel directory.
28792 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
28794 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
28795 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
28796 * configure: Rebuilt.
28797 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
28798 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
28799 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
28800 (SWITCH_TAKES_ARG): Likewise.
28801 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
28802 * config/t-freebsd: Moved from config/i386/ so it can used for all
28805 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
28807 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
28809 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
28811 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
28812 * configure: Rebuilt.
28814 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
28816 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
28817 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
28818 * rs6000/rs6000.c (rs6000_file_start): Use putc.
28819 (rs6000_output_load_toc_table): Same.
28820 (output_prolog, output_mi_thunk): Same.
28821 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
28822 (ASM_GLOBALIZE_LABEL): Use putc.
28824 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
28826 * alpha.md (reload_*_help): New patterns and splitters.
28827 (reload_*): Use them.
28828 (mov[qh]i): Likewise.
28830 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
28832 * cccp.c (handle_directive): Handle backslash-newlines in quoted
28835 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
28837 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
28839 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
28841 * flow.c (mark_regs_live_at_end, insn_dead_p,
28842 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
28843 and HARD_FRAME_POINTER_REGNUM special treatment if reload
28844 hasn't run or the frame pointer is needed.
28845 * haifa-sched.c (attach_deaths): Likewise.
28846 * sched.c (attach_deaths): Likewise.
28848 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
28850 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
28851 calculate_can_reach_end returns nonzero.
28853 * configure.in (native gas tests): Search for an assembler in the
28854 same manner that the installed compiler will.
28855 * configure: Rebuilt.
28856 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
28858 * alias.c (find_base_term): Improve handling of addresses
28859 constructed from binary operations.
28861 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
28863 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
28865 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
28867 * function.h (cleanup_label, frame_offset): Declare.
28868 (tail_recursion_label, tail_recursion_reentry): Likewise.
28869 (arg_pointer_save_area, rtl_expr_chain): Likewise.
28870 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
28871 (tail_recursion_label, tail_recursion_reentry): Likewise.
28872 (arg_pointer_save_area, rtl_expr_chain): Likewise.
28874 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
28876 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
28878 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
28879 (MAX_OFILE_ALIGNMENT): Define.
28881 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
28883 * fixincl.c: Replace local include scheme with #includes of
28884 gansidecl.h and system.h.
28885 * procopen.c: Likewise.
28886 * server.c: Likewise.
28888 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
28890 * i386/t-dgux (EXTRA_PARTS): Add crti.o
28891 (crti.o): Add build rule and dependencies.
28892 * fixinc/fixinc.dgux: Use modified _int_varargs.h
28894 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
28896 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
28897 (LIB_LINUX_SPEC): Likewise.
28898 (LIB_LINUX_SPEC): Add support for -pthread
28899 (CPP_OS_LINUX_SPEC): Likewise.
28900 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
28903 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
28905 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
28907 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
28908 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
28909 for IEEE math and CC_FCOMI.
28910 (put_jump_code): No IEEE if CC_FCOMI is set.
28912 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
28914 * fold-const.c (fold_truthop): Make the field reference unsigned
28915 when converting a single bit compare.
28917 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28919 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
28921 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
28923 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
28924 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
28927 * reload.c (push_reload): Do not call remove_address_replacements
28928 when presented with identical optional reloads.
28930 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
28932 * alpha.h (MASK_FIX, TARGET_FIX): New.
28933 (MASK_*): Reorganize constants.
28934 (CPP_AM_FIX_SPEC): New.
28935 (TARGET_SWITCHES): Add FIX.
28936 (EXTRA_SPECS): Likewise.
28937 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
28938 (SECONDARY_MEMORY_NEEDED): Likewise.
28939 (REGISTER_MOVE_COST): Likewise.
28940 * alpha.c (override_options): Add FIX support. Always use
28941 ALPHA_TP_PROG for ev6.
28942 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
28943 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
28944 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
28946 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
28948 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
28949 something is a candidate for optimize_bit_field_compare.
28951 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
28953 * gcc.texi (Passes): Document branch-shortening.
28954 * invoke.texi (Debugging Options): Document the fact that `-dp'
28955 outputs length information for instructions.
28957 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
28959 * flow.c: Revert previous delta.
28961 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
28963 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
28964 FRAME_POINTER_REGNUM.
28965 (mark_set_1): Ditto.
28966 (mark_used_regs): Ditto.
28968 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
28970 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
28971 (GOT_PCREL): New macro. Define to 1 if not already defined.
28972 * arm/elf.h (GOT_PCREL): Define to 0.
28973 * arm.c (arm_finalize_pic): Take into account the setting of
28976 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
28978 * output.h (STRIP_NAME_ENCODING): Provide default definition.
28979 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
28981 * flow.c (mark_set_1): Do not record BLKmode stores as dead
28982 store elimination candidates.
28984 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
28986 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
28989 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
28991 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
28992 Add use of x-aix41-gld.
28994 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
28996 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
28997 (ASM_OUTPUT_DESTRUCTOR): Define.
28999 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
29001 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
29002 last CODE_LABEL in a loop if we have previously passed a jump
29003 to the top of the loop.
29005 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
29007 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
29008 applying Philip's patch.
29010 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
29012 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
29015 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
29017 * loop.c (strength_reduce): Grow reg_single_usage as needed.
29019 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
29021 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
29022 Also remove a useless comment.
29024 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
29026 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
29028 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
29030 * collect2.c (main): Only generate import or export file and add
29031 to link arguments if non-empty. Use xmalloc not alloca.
29032 (write_{export,import}_file): Delete.
29033 (write_aix_file): New function.
29034 (locatelib): Use xmalloc not malloc.
29035 (GCC_OK_SYMBOL): Do not check type if aix64.
29037 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
29039 Based on patch by Scott Bambrough and Pat Beirne:
29040 * config/arm/arm.c (making_const_table): New variable.
29041 * config/arm/arm.h (making_const_table): Declare.
29042 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
29044 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
29045 Keep track of when we are building the constant table.
29047 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
29049 * config/arm/arm.c (arm_override_options): Fix erroneous warning
29052 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
29054 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
29057 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
29059 * tm.texi (FUNCTION_ARG): Correct description of a stack element
29062 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
29064 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
29066 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
29068 * rs6000.c (output_mi_thunk): Enable full support again.
29070 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
29072 * sh.h (BRANCH_COST): Define.
29074 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
29076 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
29078 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
29080 * function.c (assign_stack_local): Align stack slot propertly.
29081 (assign_outer_stack_local): Likewise.
29083 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
29085 * expr.h (lang_expand_constant): Declare.
29086 * toplev.c (lang_expand_constant): Define it.
29087 * varasm.c (output_constant): Use it.
29089 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
29091 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
29092 Change function definitions to K&R style.
29094 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
29096 * fixinc/fixincl.c: We must not ignore SIGCLD now.
29098 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
29100 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
29101 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
29102 (several places): omit static initialization
29103 (process): use single fd, since only the read fd is used
29104 * fixinc/gnu-regex.c: define 'const' away, if not supported
29105 * fixinc/procopen.c(several places): omit static initialization
29106 * fixinc/server.c: define 'volitile' away, if not supported
29108 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
29110 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
29111 asm_fprintf and %L to generate the label name.
29112 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
29113 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
29115 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
29117 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
29118 insn for a conditional jump can not be found.
29120 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
29122 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
29123 on variables in specific sections other than .sbss and .sdata.
29125 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
29127 * stmt.c (expand_return): Call start_cleanup_deferral and
29128 end_cleanup_deferral around conditional code.
29130 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
29132 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
29133 filename lists. Utilizes new "krstr" AutoGen function.
29134 * fixinc/fixincl.x: Rebuilt.
29136 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
29138 * i386.c (output_float_compare): Avoid GNU-C extensions.
29140 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
29142 * version.c: Bump to distinguish mainline tree from the
29145 See ChangeLog.1 for earlier changes.