1 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
3 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
5 2001-07-28 Kazu Hirata <kazu@hxi.com>
7 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
8 is VAR_DECL first to prevent an ICE.
10 2001-07-28 Richard Henderson <rth@redhat.com>
12 * varasm.c (immed_real_const_1): Don't elide special cases for
14 (clear_const_double_mem): Clear const_tiny_rtx too.
16 2001-07-28 Richard Henderson <rth@redhat.com>
18 * dwarf2out.c (dw_val_class_offset): New.
19 (struct dw_ranges_struct, dw_ranges_ref): New.
20 (ranges_table, ranges_table_allocated): New.
21 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
22 (add_AT_offset, add_ranges, output_ranges): New.
23 (print_die, output_die): Handle dw_val_class_offset.
24 (attr_checksum, size_of_die, value_format): Likewise.
25 (gen_lexical_block_die): Handle non-contiguous blocks.
26 (gen_block_die): Likewise.
27 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
28 if needed. Dump the ranges table.
29 * final.c (final_start_function): Remove unnecessary notes and
30 rebuild the block tree before numbering the blocks.
31 * function.c (reorder_blocks_0): Walk the existing block tree
33 (reorder_blocks_1): Create block fragments when duplicate block
35 (reorder_fix_fragments): New.
36 (reorder_blocks): Call it.
37 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
39 2001-07-28 Richard Henderson <rth@redhat.com>
41 * emit-rtl.c (adjust_address): Make a copy of the memory address.
43 2001-07-28 Richard Henderson <rth@redhat.com>
45 * flow.c (add_to_mem_set_list): New function.
46 (init_propagate_block_info): Use it.
47 (mark_set_1): Likewise.
48 (insn_dead_p): Canonicalize memory address for dead store
49 comparison. Allow wider mode stores to kill narrower mode stores.
50 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
51 (invalidate_mems_from_set): Don't handle MEMs.
53 2001-07-28 Kazu Hirata <kazu@hxi.com>
55 * config/h8300/h8300.h: Fix formatting.
57 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
59 * basic-block.h (EDGE_FREQUENCY): New macro.
60 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
62 * flow.c (find_sub_basic_blocks): Likewise.
63 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
64 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
66 * predict.c (DEF_PREDICTOR): New argument FLAGS.
68 (PRED_FLAG_FIRST_MATCH): New constant.
69 (predictor_info): New field flgags.
70 (combine_predictions_for_insn): Use DS theory to combine
71 probabilities; set the edge probabilities when finished.
72 (estimate_probability): Avoid duplicated matches
73 of LOOP_BRANCH heuristics for nested loops; update comment.
74 * predict.def: Add flags for each prediction, set probabilities
75 according to B&L paper.
76 * predict.h (DEF_PREDICTOR): New argument FLAGS.
78 * profile.c (compute_branch_probabilities): Cleanup way the edge
79 probabilities are computed and REG_BR_PROB notes are dropped; if
80 values does not match, emit error.
81 (init_branch_prob): Do error instead of warning when profile driven
82 feedback is missing or corrupt.
84 2001-07-27 DJ Delorie <dj@redhat.com>
86 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
87 against a constant, try to adjust the compare to have the desired
88 constant in it so that min/max optimizations happen more often.
90 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
92 * flow.c (last_loop_beg_note): New function.
93 (redirect_edge_and_branch): Use it.
94 (split_edge): Likewise.
96 * alias.c (loop_p): Avoid uninitialized memory access.
98 * flow.c (try_forward_edges): Avoid accessing freed memory.
100 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
103 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
105 * doc/install.texi (Configuration): Properly link the host
106 specific instructions also when generating HTML.
108 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
110 * flow.c (redirect_edge_and_branch_force): Test
111 target->global_live_at_start.
113 2001-07-26 Richard Henderson <rth@redhat.com>
115 * simplify-rtx.c (avoid_constant_pool_reference): Export.
116 * rtl.h (avoid_constant_pool_reference): Declare it.
117 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
118 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
120 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
122 * rtl.h (cleanup_barriers): Declare.
123 * jump.c (cleanup_barriers): New function.
124 * toplev.c (rest_of_compilation): Call cleanup_barriers
125 before loop optimizer and after bb_reorder.
127 * flow.c (back_edge_of_syntactic_loop_p): New.
128 (split_edge): Use it.
130 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
132 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
134 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
136 * cse.c (cse_process_notes): Replace any registers if the address
139 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
141 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
142 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
143 (propagate_block): Update prototype.
144 * flow.c (update_life_info): Simplify the CFG and
145 recalculate the global regs which are alive when
146 removing dead code during a global update.
147 (propagate_block): Return non-zero if an INSN is
150 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
152 * Makefile.in (LIBICONV): Define.
154 2001-07-26 Catherine Moore <clm@redhat.com>
156 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
157 of conditional to avoid tree checking errors.
159 2001-07-26 Kazu Hirata <kazu@hxi.com>
161 * regmove.c (regmove_optimize): Don't replace a reg with
162 another reg of a different mode.
164 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
166 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
167 limit length of dependancy flush list.
168 * params.h (MAX_PENDING_LIST_LENGTH): Define.
169 * sched-int.h (struct deps): Add pending_flush_length field.
170 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
172 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
173 (sched_analyze): After a jump, if the pending memory flush list is too
174 large, flush the pending lists.
175 (init_deps): Initialize pending_flush_length to 0.
176 * doc/invoke.texi (max_pending_list_length): Document parameter.
178 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
180 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
181 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
182 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
184 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
186 * cpphash.h (struct_lexer_state): Delete was_skipping.
187 Move skipping here from struct cpp_reader.
188 * cpplex.c (parse_identifier): Update.
189 (_cpp_lex_token): Don't skip tokens in a directive.
190 * cpplib.c (struct if_stack): Update.
191 (start_directive, end_directive): Don't change skipping state.
192 (_cpp_handle_directive): Update.
193 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
194 (do_else, do_endif): Update; only check for excess tokens if not
195 in a skipped conditional block.
196 (push_conditional): Update for new struct if_stack.
198 2001-07-26 Graham Stott <grahams@redhat.com>
200 * function.c (locate_and_pad_parm): Also pad initial offset
201 so that the total argument size also includes the padding.
203 2001-07-26 Graham Stott <grahams@redhat.com>
205 * gensupport.c (alter_output_for_insn): Correct enable checking failure
206 change XSTR to XTMPL.
208 (process_one_cond_exec): Likewise
210 2001-07-25 Richard Henderson <rth@redhat.com>
212 * varasm.c (assemble_variable): Create DECL_RTL before setting
215 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
217 * predict.c (estimate_probability): Avoid duplicated predictions.
219 * loop.c (find_and_verify_loops): Grok multiple barriers.
221 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
223 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
225 * dbxout.c: Consistently use putc instead of fputc.
226 (print_wide_int): New function; call instead of direct fprintf.
227 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
228 (dbxout_type_fields, dbxout_type_method_1): Likewise.
229 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
230 (print_int_cst_octal): Likewise.
231 (print_octal): Show we wrote characters.
232 (dbxout_type): Set have_used_extensions in more places.
234 2001-07-25 Catherine Moore <clm@redhat.com>
236 * config/v850/v850.c (v850_va_arg): Use addr
237 instead of valist to build incr.
239 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
241 * flow.c (delete_dead_jumptables): New function.
242 (life_analyzis): Call it.
243 * bb-reorder.c (skip_insns_after_block): Handle contradictory
246 2001-07-25 Richard Henderson <rth@redhat.com>
248 * except.c (reachable_handlers): Handle a region being removed
249 out from under a RESX.
251 2001-07-25 Richard Henderson <rth@redhat.com>
253 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
254 swap GE/GT if it is an fp comparison.
256 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
258 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
261 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
263 * ssa.c (rename_insn_1): Do not wrap an assignment to a
264 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
267 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
269 (visit_expression): When attempting to simplify an expression,
270 retrieve any modes for arguments before they are simplified
273 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
274 Janis Johnson <janis@us.ibm.com>
276 * stmt.c (expand_goto): A nonlocal goto can be a call too.
277 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
278 pointer parameters to match documented usage of nonlocal_goto.
279 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
280 parameters to their correct order.
281 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
282 parameters to their correct order.
284 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
286 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
288 2001-07-25 Jan Hubicka <jh@suse.cz>
289 Richard Henderson <rth@redhat.com>
291 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
293 (make_edges): New argument update_p; populate the edge cache if set.
294 (find_basic_blocks): Update make_edges invocation.
296 2001-07-24 Joel Sherrill <joel@OARcorp.com>
298 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
300 2001-07-24 Joel Sherrill <joel@OARcorp.com>
302 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
303 -Acpu and -Amachine.h.
304 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
305 Corrected header to say ELF not a.out.
306 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
307 when given -msoft-float.
309 2001-07-24 Joel Sherrill <joel@OARcorp.com>
311 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
312 extra multilib parts like arm-elf.
313 (i960-*-coff*, i960-*-rtems): Should not use collect2.
314 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
315 crtfini.o as extra multilib parts.
317 2001-07-24 Joel Sherrill <joel@OARcorp.com>
319 * configure.in: Add rtems as a supported thread model.
320 * gthr-rtems.h: Add missing entry point __gthread_active_p.
321 * configure: Rebuilt.
323 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
325 * stor-layout.c (get_mode_alignment): make it work when
326 BITS_PER_UNIT is not a power of two.
327 * builtins.c (get_pointer_alignment): Likewise.
329 2001-07-24 Richard Henderson <rth@redhat.com>
331 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
332 the retrieved constant into the expected mode.
334 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
336 * flow.c (try_simplify_condjump): Avoid duplicated edges.
337 (verify_flow_info): Check for duplicated edges; clarify
340 * flow.c (block_label): Update basic_block_for_insn.
341 (commit_edge_insertions): Call compute_bb_for_insn.
343 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
346 * flow.c (redirect_edge_and_branch,
347 try_optimize_cfg): Use redirect_edge_succ_nodup
348 (redirect_edge_succ_nodup): New.
349 * basic_block.h (redirect_edge_succ_nodup): Declare.
351 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
354 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
356 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
357 (try_crossjump_to_edge): Update commetns.
358 (try_crossjump_bb): Likewise.
360 2001-07-24 Richard Henderson <rth@redhat.com>
362 * combine.c (distribute_notes): Move set of need_refresh
363 for noop_move_p down to catch all cases.
365 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
367 * recog.c (split_all_insns_noflow): New.
368 * rtl.h (split_all_insns_noflow): Declare.
369 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
370 * m68hc11.c (m68hc11_reorg): Likewise.
371 * sh.c (machine_dependent_reorg): Likewise.
372 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
375 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
377 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
378 (ashlsi3_n splitter): Likewise.
379 (lshrsi3_n splitter): Likewise.
381 (GOTaddr2picreg): Make const SImode.
382 (sym_label2reg): Likewise.
383 (symGOT2reg): Likewise.
384 (symGOTOFF2reg) Likewise.
386 (casesi_worker_0): Make unspec SImode.
388 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
390 * config/sh/sh.c (barrier_align): Check that an operand really is
391 an insn before extracting its INSN_CODE.
393 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
395 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
398 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
399 for SImode to prevent overflow.
401 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
403 * config/mips/irix6-libc-compat.c: New file.
404 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
405 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
408 2001-07-24 lars brinkhoff <lars@nocrew.org>
410 * rtl.texi (REG_POINTER): Document.
411 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
412 QFmode, HFmode, TQFmode, QCmode, and HCmode.
414 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
416 * flow.c (delete_noop_moves): Do not confuse libcall regions.
418 2001-07-23 Richard Henderson <rth@redhat.com>
420 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
422 2001-07-23 Kazu Hirata <kazu@hxi.com>
424 * config/h8300/h8300-protos.h: Add a prototype for
425 general_operand_dst_push.
426 * config/h8300/h8300.c (general_operand_dst_push): New.
427 * config/h8300/h8300.h (OK_FOR_T): New.
428 (EXTRA_CONSTRAINT): Use it.
429 * config/h8300/h8300.md (movqi_push): Remove and integrate into
430 the existing movqi pattern.
431 (movhi_push): Likewise.
433 * reload.c: Fix comment typos.
435 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
437 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
439 2001-07-23 H.J. Lu (hjl@gnu.org)
441 * doc/extend.texi: Update __builtin_return_address and
442 __builtin_frame_address.
444 2001-07-23 Richard Henderson <rth@redhat.com>
446 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
448 * config/i386/i386.md: New setcc+movzbl peephole2.
450 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
452 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
453 * objc/objc-act.c: Include debug.h.
454 (synth_module_prologue): Save and restore debug hooks too.
456 2001-07-23 lars brinkhoff <lars@nocrew.org>
458 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
459 and C4X_FLOAT_FORMAT.
460 (BOOL_TYPE_SIZE): Document.
462 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
464 * unroll.c (loop_iterations): Fix miscalculation of initial
467 2001-07-13 Andrew Haley <aph@redhat.com>
469 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
470 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
471 * config/sh/sh.c (sh_can_redirect_branch): New function.
472 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
473 * reorg.c (steal_delay_list_from_target): Use
474 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
476 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
478 * flow.c (try_simplify_condjump): Unlink insn chain on
479 fallthru edge; use can_fallthru.
481 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
483 * basic-block.h (find_sub_basic_block): Declare.
484 * flow.c (make_edges): New arguments MIN and MAX;
485 (find_sub_basic_blocks): Revamp to use make_edges
486 and purge_dead_edges.
487 (find_basic_blocks): Update call of find_sub_basic_block.
489 * recog.c (split_all_insns): Always expect CFG to be consistent;
490 call find_sub_basic_blocks in case something has changed.
491 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
494 * basic-block.h (delete_noop_moves): Declare.
495 * combine.c (combine_instructions): Call it.
496 (recog_for_combine): Tolerate noop moves
497 (distribute_notes): Force refresh when register dies at noop move.
498 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
500 (life_analysis): Update delete_noop_moves call.
501 (set_noop_p): Move too ...
502 * rtlanal.c (noop_move_p): ... here.
503 * rtl.h (noop_move_p): Declare.
505 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
506 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
508 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
509 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
511 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
513 * reload.c (push_reload): Fix typo in comment.
514 (find_reloads_address): Ditto.
515 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
517 2001-07-22 Richard Henderson <rth@redhat.com>
519 * flow.c: Grammar check and clarify a lot of comments.
520 (try_simplify_condjump): Rename variables to be clearer.
521 (try_forward_edges): Skip complex and fallthru edges.
522 Rearrange tests to avoid duplicate checks.
523 (flow_find_cross_jump): Likewise.
524 (outgoing_edges_match): Allow match if neither branch has
525 probability data. Loosen probability match to 5%.
526 (try_crossjump_to_edge): Hoist repeated indirection into
528 (try_crossjump_bb): Don't check complex edges. Eliminate
529 redundant crossjump tests.
530 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
531 checks before more expensive checks.
533 2001-07-22 Richard Henderson <rth@redhat.com>
535 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
536 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
539 2001-07-22 Richard Henderson <rth@redhat.com>
541 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
542 (const_sint32_operand): Likewise.
543 * m68k.md (anon mulsi pattern): Use const_int_operand not
544 const_sint32_operand.
545 (umulsi3_highpart): Zero extend a constant input.
546 (smulsi3_highpart): Don't bother checking SImode constant.
547 (const_umulsi3_highpart): Give op3 DImode.
548 (const_smulsi3_highpart): Likewise.
550 2001-07-22 Richard Henderson <rth@redhat.com>
552 * flow.c (split_block): Make sure bb_note is included in the
553 new block when splitting before a label.
555 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
557 * basic-block.h (redirect_edge_and_branch_force,
558 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
559 * flow.c (redirect_edge_and_branch_force,
560 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
561 (redirect_edge_and_branch_force): Fix copying of lifeness information.
562 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
563 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
564 instead of label; update CFG after transformation.
565 (find_if_case_1): Update call, use redirect_edge_and_branch_force
566 for finishing the transformation; handle even case where ELSE
567 does not follow THEN.
568 (find_if_case_2): Update call of dead_or_predictable; simplify
571 * emit-rtl.c (split_branch_probability): New global variable.
572 (try_split): Take care to set split_branch_probability and
573 create REG_BR_PROB note for new jump insns.
574 * md.texi (define_split): Document new feature.
576 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
578 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
580 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
581 (asm_out_file): Remove redundant declaration.
582 (assemble_asm): Remove old #if 0 block.
583 (assemble_variable): Remove end of function; debug output is
584 now handled with global_decl. Remove old #if 0 block. Update.
585 Remove saved_in_section and associated no-op code.
586 * Makefile.in (varasm.o): Correct dependencies.
588 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
590 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
591 the definition in defaults.h.
593 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
595 * jump.c: Update comments.
596 (delete_barrier_successors, delete_unreferenced_labels,
597 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
598 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
599 jump_optimize, jump_optimize_minimal): Kill.
600 (rebuild_jump_labels): Move code from jump_optimize_1.
601 (purge_line_number_notes): Likewise.
602 (copy_loop_headers): Likewise.
603 * reg-stack.c: Update comment.
605 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
606 JUMP_AFTER_REGSCAN): Kill.
607 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
608 purge_line_number_notes and copy_loop_headers.
610 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
611 Richard Henderson <rth@redhat.com>
613 * dbxout.c (dbxout_global_decl): New.
614 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
615 * sdbout.c (sdbout_finish): New.
616 (sdbout_debug_hooks): Use it, add comments.
617 (sdbout_global_decl): Defer initialised public vars to
619 * varasm.c (assemble_variable): Don't output debug information
620 for file-scope variables.
622 2001-07-22 Richard Henderson <rth@redhat.com>
624 * config/alpha/alpha.c (get_trap_mode_suffix): New.
625 (get_round_mode_suffix): New.
626 (print_operand): Use them for [/]. Remove support for [&'`()+].
627 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
628 * config/alpha/alpha.md (attr round_suffix): New.
629 (attr trap_suffix): New.
630 (all insns): Set them appropriately. Use %/ instead of the
633 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
635 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
637 2001-07-22 Richard Henderson <rth@redhat.com>
639 * regrename.c (regrename_optimize): Compute nregs for each
640 potential target register.
642 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
643 Richard Henderson <rth@redhat.com>
645 * dbxout.c (dbxout_global_decl): New.
646 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
647 * sdbout.c (sdbout_finish): New.
648 (sdbout_debug_hooks): Use it, add comments.
649 (sdbout_global_decl): Defer initialised public vars to
651 * varasm.c (assemble_variable): Don't output debug information
652 for file-scope variables.
654 2001-07-21 H.J. Lu (hjl@gnu.org)
656 * config/mips/mips.c (mips_cpu): Moved into ...
657 (override_options): Here.
659 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
663 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
665 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
666 ("iorqi3"): Likewise.
667 ("xorqi3"): Likewise.
668 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
669 ("*subhi3_sp): Likewise.
670 ("*subhi3"): Likewise.
671 ("extendhisi2"): Accept D, X and Y as source operand to avoid
674 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
676 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
677 * config/freebsd.h: Likewise.
678 * config/linux.h: Likewise.
679 * config/openbsd.h: Likewise.
680 * config/alpha/linux-elf.h: Likewise.
681 * config/arm/linux-elf.h: Likewise.
682 * config/d30v/d30v.h: Likewise.
683 * config/fr30/fr30.h: Likewise.
684 * config/ia64/aix.h: Likewise.
685 * config/ia64/ia64.h: Likewise.
686 * config/mips/linux.h: Likewise.
687 * config/pj/pj.h: Likewise.
688 * config/rs6000/linux.h: Likewise.
689 * config/sparc/linux.h: Likewise.
690 * config/sparc/linux64.h: Likewise.
692 2001-07-20 Bruce Korb <bkorb@gnu.org>
694 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
695 because getc() and char* may disagree on signedness.
697 2001-07-20 Richard Henderson <rth@redhat.com>
699 * doc/rtl.texi (REG_DEAD): Update for current semantics.
701 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
702 insns to delete in the presence of cc0 in a jump insn.
704 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
705 Jan Hubicka <jh@suse.cz>
707 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
708 of doing the change by hand.
710 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
712 * rtlanal.c (set_noop_p): Return true for noop jumps.
714 * expr.c (emit_single_push_insn): Add call to push expander.
715 * expr.h (optab_index): Add OTI_push
716 (push_optab): New constant.
717 * genopinit.c (optabs): Add push_optab.
718 * optabs.c (init_optab): Init push optab.
719 * md.texi (push??1): Document
721 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
723 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
724 expand to emit the pattern; put a REG_INC note for push/pop
726 ("movdf", "movdf_internal"): Likewise.
727 ("movsi", "movsi_internal"): Likewise.
728 ("movsf", "movsf_internal"): Likewise.
729 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
731 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
733 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
736 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
738 * params.def: Change default max inline insns to 100.
740 2001-07-20 Diego Novillo <dnovillo@redhat.com>
742 * combine.c (combine_simplify_rtx): Generate a new shift operation
743 when simplifying the first operand of a (neg (ashift)) expression.
745 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
747 * regclass.c (N_REG_INTS): Use only 32 bits per element.
749 2001-07-20 Kelley Cook <kelley.cook@home.com>
751 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
752 information. Move rest into ...
753 (*-*-solaris): ... here. Eliminate redundant information and
754 reword necessary packages section. Delete 4.x assembler bug info.
755 (sparc-sun-*): Merge into ...
756 (sparc-sun-sunos*): here.
758 2001-07-20 Catherine Moore <clm@redhat.com>
760 * config/v850/v850.md (casesi): Generate LABEL_REF
763 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
765 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
766 * i386.c (ix86_zero_extend_to_Pmode): Make global.
767 * i386.md (strclrsi expander): Use it.
769 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
771 * integrate.c (copy_insn_list): handle
772 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
773 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
774 identically as to CODE_LABEL.
776 * fold-const (fold): Convert A/B/C to A/(B*C) and
779 * except.c (connect_post_landing_pads): Delete the RESX insns.
781 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
783 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
785 * config/mips/mips.md (nmadd/nmsub): Use macro.
787 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
789 * cppinit.c (remove_dup_dir): Make static.
790 (remove_dup_dirs): Make static. Only warn about preempting a
791 system directory with a non-system directory.
793 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
795 * ifcvt.c (noce_try_store_flag_constants): Correct order
796 of parameters to trunc_int_for_mode.
798 2001-07-19 Mark Mitchell <mark@codesourcery.com>
800 * reorg.c (fill_simple_delay_slots): If an instruction might throw
801 an exception that will be caught within this function, do not fill
802 its delay slot with any subsequent instruction.
804 2001-07-19 Steve Ellcey <sje@cup.hp.com>
806 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
807 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
808 pointer extension instruction.
809 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
810 * simplify-rtx.c (simplify_unary_operation) Likewise.
811 * explow.c (convert_memory_address) Check value of
812 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
814 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
815 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
816 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
817 Add Multilib Support.
818 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
819 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
820 Add Multilib Support.
821 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
823 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
824 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
825 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
827 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
829 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
830 old and new operands in `<', `3' and `b'.
832 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
834 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
835 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
836 (toplev.o): Don't depend on xcoffout.h.
837 * c-decl.c: Include debug.h
838 (duplicate_decls): Use debug hook.
839 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
840 (dbx_debug_hooks, xcoff_debug_hooks): Update.
841 (dbxout_types): Remove.
842 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
843 * debug.c (do_nothing_debug_hooks): Update.
844 (debug_true_tree, debug_nothing_rtx): New.
845 * debug.h (struct rtx_def): New.
846 (struct gcc_debug_hooks): New hooks ignore_block,
847 outlining_inline_function and label.
848 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
849 dwarf2out_frame_finish): New.
850 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
851 Make static, update prototype.
852 (dwarf2_debug_hooks): Update.
853 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
854 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
855 * dwarfout.c (dwarf_debug_hooks): Update.
856 * emit-rtl.c: Include debug.h.
857 (remove_unnecessary_notes): Use debug hook.
858 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
859 (final_scan_insn): Use debug hook.
860 * integrate.c (output_inline_function): Use debug hook.
861 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
862 (sdb_debug_hooks): Update.
863 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
864 * toplev.c: Don't include xcoffout.h.
865 (note_outlining_of_inline_function, debug_ignore_block): Remove.
866 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
868 * tree.h (dwarf2out_do_frame): Remove.
870 2001-07-19 Catherine Moore <clm@cygnus.com>
872 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
874 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
876 * reload1.c (eliminate_regs_in_insn): When updating a set
877 to the frame pointer to the hardware frame pointer, perform
878 the update always not just when REPLACE is set.
880 * reload1.c (choose_reload_regs): Don't inherit a reload
881 that crosses multiple registers if registers past the first
882 don't fit in the desired class.
884 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
885 when negating constants.
887 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
889 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
890 * doc/tree.texi: Ditto.
892 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
893 Jakub Jelinek <jakub@redhat.com>
895 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
896 (extract_cie_info): Handle "eh" augmentation properly,
898 (struct frame_state, __frame_state_for): New.
900 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
902 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
903 HANDLE_SYSV_PRAGMA): Define.
904 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
906 (copy_object): Caller changed.
908 2001-07-19 Andreas Schwab <schwab@suse.de>
910 * configure.in (assembler dwarf2 debug_line support): Define nop
912 * configure: Regenerated.
914 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
916 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
918 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
919 to conditionally compiled block.
920 (dbx_debug_hooks, xcoff_debug_hooks): Update.
921 * dbxout.h (dbxout_function): Remove.
922 * debug.c (do_nothing_debug_hooks): Update.
923 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
924 global_decl, deferred_inline_function.
925 * dwarf2out.c (dwarf2_debug_hooks): Update.
926 (dwarf2out_global_decl): New.
927 * dwarfout.c: Don't include dwarfout.h.
928 (dwarfout_global_decl, dwarfout_function_decl,
929 dwarfout_deferred_inline_function): New.
930 (dwarf_debug_hooks): Update.
931 * dwarfout.h: Remove.
932 * final.c: Don't include dwarfout.h.
933 * sdbout.c (sdbout_global_decl): New.
934 (sdbout_debug_hooks): Update.
935 * toplev.c: Don't include dwarfout.h.
936 (check_global_declarations, rest_of_compilation): Use new debug hooks.
937 (note_deferral_of_defined_inline_function): Remove.
938 * toplev.h (note_deferral_of_defined_inline_function): Remove.
939 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
940 * ch/lex.c: Don't include dwarfout.h.
941 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
942 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
943 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
944 * cp/optimize.c: Include debug.h.
945 (maybe_clone_body): Use debug hook.
946 * cp/semantics.c: Include debug.h.
947 (expand_body): Use debug hook.
948 * po/POTFILES.in: Remove dwarfout.h.
950 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
952 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
953 * c-parse.in (yyerror, _yylex): Similarly.
954 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
955 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
957 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
958 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
960 2001-07-18 Jeff Sturm <jsturm@one-point.com>
962 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
963 in-class declaration at -g1. Fixes c++/2814.
965 2001-07-18 Richard Henderson <rth@redhat.com>
967 * doc/md.texi (reload_in/out): Document restrictions in predicates
968 and constraints for these patterns. Document empty string matching
971 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
973 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
975 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
977 * cse.c: Undo my previous patch.
979 2001-07-18 Tom Tromey <tromey@redhat.com>
982 * configure: Rebuilt.
983 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
985 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
987 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
988 Jan Hubicka <jh@suse.cz>
990 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
991 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
992 * jump.c (mark_jump_label): Do not forward branches.
994 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
996 * cse.c (delete_trivially_dead_insns): Delete the libcall block
997 when return value is unused.
999 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1001 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
1003 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
1005 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
1006 on error. We can't blindly return the result of
1007 pthread_mutex_trylock because it returns a positive number on
1008 error, while we must return -1 on error.
1009 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
1011 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
1013 2001-07-18 Andreas Jaeger <aj@suse.de>
1015 * integrate.c (output_inline_function): Correct type of debug_hooks.
1017 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
1019 * combine.c (combine_simplify_rtx): DIV can be treated
1020 associatively for floats if unsafe math optimisations are enabled.
1022 2001-07-17 Richard Henderson <rth@redhat.com>
1024 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
1026 2001-07-17 Richard Henderson <rth@redhat.com>
1028 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
1029 don't force the function address into a register.
1030 (expand_call, emit_library_call_value_1): Update callers.
1031 * builtins.c (expand_builtin_apply): Likewise.
1032 * expr.h (prepare_call_address): Update decl.
1034 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
1036 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
1038 * config/i386/chorus.h: Move up.
1039 * config/sparc/chorus.h: Likewise.
1040 * config/rs6000/chorus.h: Likewise.
1041 * config/chorus.h: Moved here.
1043 2001-07-17 Andreas Schwab <schwab@suse.de>
1045 * configure.in (assembler eh_frame optimization): Handle big
1047 * configure: Regenerated.
1049 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
1051 * expr.c (epxand_expr): Convert divisions into multiplications by
1052 reciprocals if -ffast-math.
1054 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
1056 * dbxout.c (dbxout_really_begin_function): Rename to
1057 dbxout_begin_function.
1058 (dbx_debug_hooks, xcoff_debug_hooks): Update.
1059 (dbxout_begin_function): Remove.
1060 (dbxout_function): Update.
1061 (dbxout_source_line): Update prototype.
1062 * dbxout.h (dbxout_begin_function): Remove.
1063 * debug.c (do_nothing_debug_hooks): Update.
1064 (debug_nothing_tree): Update.
1065 (debug_nothing_charstar_rtx): Remove.
1066 * debug.h (union tree_node): Declare.
1067 (struct rtx_def): Remove.
1068 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
1069 begin_function. Change source_line prototype.
1070 (debug_nothing_tree): New.
1071 (debug_nothing_charstar_rtx): Delete.
1072 (dwarf2out_begin_prologue): Moved from ...
1074 * dwarf2out.c (dwarf2_debug_hooks): Update.
1075 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
1076 debug info, call dwarf2out_source_line.
1077 (dwarf2out_souce_line): Update prototype.
1078 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
1079 Change prototype, make static.
1080 (dwarfout_source_line): Update prototype.
1081 (dwarf_debug_hooks): Update.
1082 * dwarfout.h (dwarfout_begin_function): Remove.
1083 * final.c (final_start_function, final_scan_insn): Use appropriate
1084 debug hooks, update to use notice_source_line.
1085 (output_source_line): Rename notice_source_line. Don't call the
1086 source_line debug hook.
1087 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
1088 make static, update prototype.
1089 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
1091 (sdbout_end_prologue): New.
1092 (sdbout_source_line): Update prototype.
1093 (sdbout_debug_hooks): Update.
1094 (sdbout_symbol): Remove unused var.
1095 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
1097 * varasm.c: Include debug.h.
1098 (assemble_start_function): Use begin_function debug_hook.
1099 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
1100 update with prototype.
1101 (xcoffout_source_line): Update prototype.
1102 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
1104 (xcoffout_source_line): Update prototype.
1106 2001-07-17 Richard Henderson <rth@redhat.com>
1108 * c-typeck.c (build_binary_op): Do not shorten unsigned
1109 right shift after sign extension.
1111 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
1113 * combine.c (combine_simplify_rtx): Attempt to simplify
1114 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
1116 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
1117 (simplify_binary_operation, simplify_unary_operation,
1118 simplify_relational_operation): Use it.
1120 * combine.c (combine_simplify_rtx): Don't do associative law
1121 on divisions; allow associative law on floats.
1123 2001-07-17 H.J. Lu <hjl@gnu.org>
1124 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1126 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
1127 ASM_OUTPUT_WEAK_ALIAS are defined.
1128 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
1129 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
1131 * config/mips/iris5.h: ... here.
1132 (HANDLE_SYSV_PRAGMA): Defined as 1.
1133 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
1134 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
1137 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
1139 * c-parse.in (all_prefix_attributes): New variable.
1140 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
1141 (maybe_resetattrs): New production.
1142 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
1143 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
1144 notype_initdcl, nested_function, notype_nested_function,
1145 component_decl, components, components_notype,
1146 component_declarator, component_notype_declarator,
1147 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
1148 ivars, mydecl, myparm): Update. Avoid prefix attributes just
1149 after a comma being applied to more than one declarator.
1150 * doc/extend.texi (Attribute Syntax): Update. Remove
1151 documentation of bugs that are no longer present.
1153 2001-07-13 Eric Christopher <echristo@redhat.com>
1155 * config/mips/mips.h: Change TUNE_MIPS* options to use
1157 (EXTRA_SPECS): Add cc1_cpu_spec.
1158 * config/mips/mips.md (muldf3): Fix typo.
1160 2001-07-16 Richard Henderson <rth@redhat.com>
1162 * config/m68k/m68k.c: Include expr.h and reload.h.
1163 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
1164 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
1166 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
1167 Richard Henderson <rth@redhat.com>
1169 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
1170 (insn_live_p): Fix fall off end of function.
1171 (dead_libcall_p): Remove COUNTS argument; update callers.
1172 (delete_trivially_dead_insns): Remove unused variables.
1174 2001-07-17 Andreas Jaeger <aj@suse.de>
1176 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
1179 * lcm.c (optimize_mode_switching): Avoid warning for unused
1180 variable if !NORMAL_MODE.
1182 * flow.c (try_crossjump_to_edge): Remove unused variable.
1184 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
1186 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
1187 atexit declaration in stdlib.h.
1189 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
1191 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
1193 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1195 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
1196 * except.c (finish_eh_generation): Update call of cleanup_cfg;
1197 do rebuild_jump_labels instead of jump_optimize
1198 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
1199 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
1200 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
1202 * flow.c: Include timevar.h
1203 (find_basic_block): Push/pop timevar;
1204 (cleanup_cfg): Likewise.
1205 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
1206 * Makefile: Add dependencies on timevar.h
1208 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
1209 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
1211 * rtl.h (delete_trivially_dead_insns): Add new parameter.
1212 * toplev.c (rest_of_compilation): Update calls.
1213 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
1214 (delete_trivially_dead_insns): ... here; accept new argument
1215 preserve_basic_blocks; preserve basic blocks if set.
1217 * reg-stack.c (stack_regs_mentioned): Return 0 if
1218 stack_regs_mentioned_data is not initialized.
1219 (reg_to_stack): Make stack_regs_mentioned survive after the
1220 reg-stack is completted; do not call cleanup_cfg.
1221 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
1222 make cleanup_cfg after bb-reorder to output to debug file.
1224 2001-07-16 Richard Henderson <rth@redhat.com>
1226 * regclass.c (init_reg_sets): Use only 32 bits per initializer
1227 from int_reg_class_contents.
1229 2001-07-16 Richard Henderson <rth@redhat.com>
1231 * hard-reg-set.h (regs_invalidated_by_call): Declare.
1232 * regclass.c (regs_invalidated_by_call): Move from cse.c.
1233 (init_reg_sets_1): Move initialization from cse_main.
1234 * cse.c (regs_invalidated_by_call): Move to regclass.c.
1235 (cse_main): Move its initialization also.
1236 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
1237 * flow.c (propagate_one_insn): Likewise.
1238 * gcse.c (compute_hash_table): Likewise.
1239 (compute_kill_rd, compute_store_table): Likewise.
1240 * sched-deps.c (sched_analyze_1): Likewise.
1242 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
1244 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
1247 2001-07-16 Steve Ellcey <sje@cup.hp.com>
1249 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
1250 in if statement so we don't access undefined memory.
1252 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
1254 * gcse.c: Update comment at top.
1255 Update comment on mem handling.
1256 mem_last_set, mem_first_set, mem_set_in_block: gone.
1257 Declaration of reg_set_info: gone.
1258 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
1259 pointless with load_killed_in_block_p (they are *more*
1260 conservative then it, not less, and less accurate).
1261 (oprs_not_set_p): Ditto.
1262 (alloc_gcse_mem): Don't allocate mem_set_in_block
1263 (free_gcse_mem): Don't free it, either.
1264 (record_last_mem_set_info): Update comment in front, remove
1265 mem_*set_* stuff. Note the reason we don't handle stores directly
1267 (compute_hash_table): Update comments to reflect reality. Remove
1268 mem_*set_* references.
1269 (reset_opr_set_tables): Remove mem_*set_* references.
1271 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
1272 (mark_clobber): Ditto (on both parts, we double set here too).
1273 (expr_killed_p): Remove mem_set_in_block test.
1274 (compute_transp): Remove mem_set_in_block test.
1276 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
1277 of edge, and removal of phi alternative to dump file.
1278 (ssa_ccp_substitute_constants): Add note about register now being
1279 constant, and which uses were replaced in what insns to dump file.
1281 2001-07-16 Andreas Jaeger <aj@suse.de>
1283 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
1284 variables of type HOST_WIDEST_INT.
1286 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
1287 (__bb_exit_func): Correct type of count_max to avoid overflow.
1288 (num_digits): Handle long long argument.
1290 * combine.c (gen_lowpart_for_combine): Remove unused variable.
1292 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1294 * output.h (sdb_begin_function_line): Restore as an extern
1296 * sdbout.c (sdb_begin_function_line): Make extern.
1298 2001-07-15 Richard Henderson <rth@redhat.com>
1300 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
1301 * genrecog.c (maybe_both_true_mode): New.
1302 (maybe_both_true_2): Use it.
1303 (write_switch): Don't put Pmode in a switch.
1304 * rtl.c (mode arrays): Don't explicitly size them.
1306 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1308 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
1309 handling; move unconditional splitting before mode switching.
1311 * i386.md (type): Add fistp type.
1312 (i387, length_attr, scheduling definitions): Handle this type.
1313 (fix_trunc?f?i2): Revamp to use mode switching.
1314 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
1315 * i386.h (fp_cw_mode): New enum
1316 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
1317 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
1319 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1321 * Makefile.in (integrate.o): Add debug.h.
1322 * integrate.c (debug.h): Add.
1323 (output_inline_function): Save, reset, and restore debug_hooks.
1325 2001-07-15 Richard Henderson <rth@redhat.com>
1327 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
1328 instead of COMPARE for the EQUIV expression.
1330 2001-07-15 Richard Henderson <rth@redhat.com>
1332 * flow.c (redirect_edge_and_branch_force): Initialize
1333 global_live_at_start and global_live_at_end.
1334 (allocate_bb_life_data): Export.
1335 * basic-block.h (allocate_bb_life_data): Declare.
1336 * toplev.c (rest_of_compilation): Call it.
1338 2001-07-15 Richard Henderson <rth@redhat.com>
1340 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
1341 (alpha_tablejump_best_label): New.
1342 * config/alpha/alpha-protos.h: Declare them.
1343 * config/alpha/alpha.md: Use braced strings for code blocks.
1344 (tablejump_osf): Break out add with r29.
1345 (tablejump_osf_internal): Remove.
1346 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
1347 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
1349 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
1351 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
1354 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
1356 * i386-protos.h (ix86_split_fp_branch): Update prototype.
1357 (ix86_fp_jump_nontrivial_p): New.
1358 * i386.md (fp_jcc_?): Update call of split_fp_branch;
1359 use ix86_fp_jump_nontrivial_p.
1360 * i386.c (ix86_fp_jump_nontrivial_p): New.
1361 (ix86_split_fp_branch): Accept code instead of rtx.
1362 (ix86_expand_compare): Expand comparison early in case
1363 doing so is resonably cheap.
1365 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
1367 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
1369 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
1370 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
1372 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
1374 * dbxout.c (dbxout_source_line): Make static, update prototype.
1375 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
1376 (dbxout_init, dbxout_finish, dbxout_source_line,
1377 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
1378 * dbxout.h (dbxout_source_line): Delete.
1379 * debug.c (debug_nothing_file, debug_nothing_file_int,
1380 debug_nothing_file_charstar_rtx): New.
1381 (do_nothing_debug_hooks): Update.
1382 (debug_nothing_void, debug_nothing_charstar_rtx,
1383 dwarf2out_end_epilogue): New.
1384 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
1385 * debug.h (struct rtx_def): Declare.
1386 (gcc_debug_hooks): New hooks source_line, end_epilogue
1388 (debug_nothing_void, debug_nothing_charstar_rtx,
1389 dwarf2out_end_epilogue): New.
1390 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
1391 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
1392 (dwarf2_debug_hooks): Update.
1393 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
1394 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
1395 * dwarf2out.h (dwarf2out_source_line): Remove.
1396 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
1397 Make static, update prototype.
1398 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
1399 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
1400 (dwarf_debug_hooks): Update.
1401 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
1402 dwarfout_end_function): Remove.
1403 * final.c (profile_function): Use debug hooks for ending functions
1405 (output_source_line, final_end_function): Update prototype,
1407 (final_start_function, final_scan_insn): Update.
1408 * output.h (sdb_begin_function_line): Remove.
1409 (final_end_function): Update prototype.
1410 * sdbout.c (sdb_begin_function_line): Make static.
1411 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
1412 (sdbout_source_line): New.
1413 (sdbout_end_epilogue, sdbout_end_function): Make static, update
1415 (sdb_debug_hooks): Update.
1416 (sdbout_init, sdbout_source_line,
1417 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
1418 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
1419 * toplev.c (compile_file, rest_of_compilation): Update.
1420 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
1421 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
1422 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
1423 Update for prototype changes.
1424 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
1425 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
1427 2001-07-15 Richard Henderson <rth@redhat.com>
1429 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
1430 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
1431 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
1432 * config/alpha/alpha.c: Likewise.
1433 * config/alpha/alpha.md: Likewise.
1434 * config/alpha/alpha32.h: Likewise.
1435 * config/alpha/vms.h: Likewise.
1438 2001-07-14 Richard Henderson <rth@redhat.com>
1440 * config/alpha/alpha.md: Use define_constants for unspec values.
1441 Substitute throughout.
1443 2001-07-14 Tim Josling <tej@melbpc.org.au>
1445 * tree.def (EXPON_EXPR) remove. Never supported anyway.
1447 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
1449 * pa.md: Remove unused constraints from define_split's.
1451 2001-04-14 Richard Henderson <rth@redhat.com>
1453 * ifcvt.c (find_cond_trap): Test for exit block.
1455 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
1457 Re-install recently reverted patch.
1458 * emit-rtl.c (try_split): Update mark_jump_label call.
1459 * flow.c (find_sub_basic_blocks): Likewise.
1460 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
1462 (mark_all_labels): Kill second parameter.
1463 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
1464 (rebuild_jump_labels, jump_optimize_minimal): Update call
1466 (jump_optimize_1): Kill crossjumping code.
1467 (mark_jump_label): Kill cross_jump parameter.
1468 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
1469 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
1470 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
1472 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
1474 (dump_file_info): Likewise.
1475 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
1476 reorganize passes to do reg-stack first, bb-reorder second.
1477 * invoke.texi (-d letters doc): Remove the jump2 pass.
1479 2001-07-14 Richard Henderson <rth@redhat.com>
1481 * ifcvt.c (find_cond_trap): New.
1482 (find_if_header): Call it.
1483 (merge_if_block): Relax existing jump sanity check.
1484 * jump.c (jump_optimize_1): Remove conditional trap handling.
1486 2001-07-14 Alan Modra <amodra@bigpond.net.au>
1488 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
1490 (insn_refs_are_delayed): Correct comment.
1491 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
1492 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
1493 instead of r31. Make associated insn !TARGET_64BIT, and
1494 provide an additional 64-bit insn that clobbers r2.
1496 (udivsi3): Likewise.
1498 (umodsi3): Likewise.
1500 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
1502 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
1504 * flow.c (redirect_edge_and_branch_force, split_edge,
1505 try_crossjump_to_edge): Use set_block_for_new_insns.
1506 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
1508 2001-07-13 H.J. Lu (hjl@gnu.org)
1510 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
1513 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
1515 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
1517 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
1519 * c-common.c (decl_attributes): Take a pointer to the node to
1520 which attributes are to be attached, and a flags argument.
1521 * c-common.h (enum attribute_flags): New.
1522 (decl_attributes): Update prototype.
1523 * c-decl.c (start_decl, push_parm_decl, finish_struct,
1524 finish_enum, start_function): Update calls to decl_attributes.
1525 * c-parse.in (component_declarator, component_notype_declarator,
1526 label): Update calls to decl_attributes.
1528 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
1530 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
1531 * config/avr/avr.c (legitimate_address_p): Return value changed
1532 from letter to register classes. For better debugging.
1534 2001-07-13 Kazu Hirata <kazu@hxi.com>
1536 * jump.c (reversed_comparison_code_parts): Fix comment typos.
1538 2001-07-13 H.J. Lu (hjl@gnu.org)
1540 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
1542 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
1544 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
1545 correctly for shared configurations.
1546 * config/t-libgcc-pic: New.
1547 * config/{i386,m68k,sparc}/t-openbsd: New.
1548 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
1549 Support -shared. Support debugging libraries with -g.
1550 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
1551 frame information does not emit pointer diffs.
1552 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
1555 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
1557 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
1559 2001-07-13 David Edelsohn <edelsohn@gnu.org>
1561 * combine.c (try_combine): Ensure const_int pow2 is positive.
1563 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
1565 * config.gcc: Add configuration for s/390.
1566 * config/s390/s390.c: New. Subroutines for code generation.
1567 * config/s390/s390.h: New. Definitions for s/390.
1568 * config/s390/s390-protos.h: New. Prototypes.
1569 * config/s390/linux.h: New. Definitions for linux for s/390.
1570 * config/s390/linux64.h: New. Definitions for linux for zSeries.
1571 * config/s390/t-linux: New. Makefile fragment.
1572 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
1573 * config/s390/fixdfdi.h: New. Fix L_fix*di.
1575 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
1577 * emit-rtl.c (try_split): Update mark_jump_label call.
1578 * flow.c (find_sub_basic_blocks): Likewise.
1579 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
1581 (mark_all_labels): Kill second parameter.
1582 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
1583 (rebuild_jump_labels, jump_optimize_minimal): Update call
1585 (jump_optimize_1): Kill crossjumping code.
1586 (mark_jump_label): Kill cross_jump parameter.
1587 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
1588 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
1589 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
1591 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
1593 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
1594 reorganize passes to do reg-stack first, bb-reorder second.
1595 * invoke.texi (-d letters doc): Remove the jump2 pass.
1597 2001-07-12 Steve Ellcey <sje@cup.hp.com>
1599 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
1601 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1603 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
1605 (verify_flow_info): Make diagnostics prettier.
1607 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1609 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
1611 * flow.c (outgoing_edges_match): Return early if condition reversal
1614 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
1616 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
1617 (mips_move_2words): When splitting a move into two instructions,
1618 prefix the second address operand with '%D'.
1620 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
1622 * Makefile.in (final.o): Depend on debug.h.
1623 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
1624 (dbx_debug_hooks): Add new hooks.
1625 (xcoff_debug_hooks): New.
1626 * debug.c (debug_nothing_file_int_int): New.
1627 (do_nothing_debug_hooks): Update.
1628 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
1629 (debug_nothing_file_int_int): New.
1630 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
1631 static, update prototype.
1632 (dwarf2_debug_hooks): Update.
1633 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
1634 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
1635 static, update prototype.
1636 (dwarf_debug_hooks): Update.
1637 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
1638 * final.c: Include debug.h.
1639 (final_scan_insn): Use debug hooks when beginning and ending blocks.
1640 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
1641 static, update prototype.
1642 (sdb_debug_hooks): Update.
1643 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
1644 * toplev.c: Distinguish between xcoff and dbx.
1646 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
1647 Call all debug hooks, not just dwarf ones.
1649 2001-07-11 Timothy Wall <twall@redhat.com>
1651 * config.gcc: Add configuration for AIX5/IA64.
1652 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
1653 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
1654 support prefix/suffix code.
1655 * config/ia64/t-aix: New. Makefile fragment.
1656 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
1658 2001-07-11 Kazu Hirata <kazu@hxi.com>
1660 * recog.c (validate_change): Fix a comment typo.
1662 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
1664 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
1665 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
1667 * dbxout.c (dbx_debug_hooks): Add new hooks.
1668 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
1670 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
1672 * dbxout.h (dbxout_start_new_source_file,
1673 dbxout_resume_previous_source_file): Delete.
1674 * debug.c (do_nothing_debug_hooks): Add new hooks.
1675 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
1676 (debug_nothing_int_charstar, debug_nothing_int): New.
1677 * debug.h (gcc_debug_hooks): New hooks define, undef,
1678 start_source_file and end_source_file.
1679 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
1680 (debug_nothing_int_charstar, debug_nothing_int): New.
1681 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
1682 the conditionally compiled section.
1683 (dwarf2out_start_source_file, dwarf2out_end_source_file,
1684 dwarf2out_define, dwarf2out_undef): Make static.
1685 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
1686 dwarf2out_define, dwarf2out_undef): Remove.
1687 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
1688 (dwarfout_start_source_file, dwarfout_end_source_file,
1689 dwarfout_define, dwarfout_undef): Make static.
1690 (dwarfout_start_source_file_check,
1691 dwarfout_end_source_file_check): New.
1692 (dwarfout_define, dwarfout_finish): Update.
1693 * dwarfout.h (dwarfout_start_new_source_file,
1694 dwarfout_resume_previous_source_file, dwarfout_define,
1695 dwarfout_undef): Remove.
1696 * sdbout.c (sdb_debug_hooks): Add new hooks.
1697 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
1699 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
1700 make static, take an arg.
1701 * sdbout.h (sdbout_start_new_source_file,
1702 sdbout_resume_previous_source_file): Delete.
1703 * toplev.c (debug_start_source_file, debug_end_source_file,
1704 debug_define, debug_undef): Delete.
1705 * toplev.h (debug_start_source_file, debug_end_source_file,
1706 debug_define, debug_undef): Delete.
1708 * java/jcf-parse.c: Include debug.h.
1709 (parse_class_file): Update to use debug hooks directly.
1710 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
1712 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1714 * alias.c (set_mem_alias_set): New function.
1715 * rtl.h (set_mem_alias_set): Declare it.
1716 * builtins.c (expand_builtin_return_addr): Call it instead of
1717 using MEM_ALIAS_SET accessor.
1718 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
1719 (get_memory_rtx, expand_builtin_va_arg): Likewise.
1720 (expand_builtin_va_copy):Likewise.
1721 * caller-save.c (setup_save_areas): Likewise.
1722 * calls.c (compute_argument_addresses): Likewise.
1723 * explow.c (set_mem_attributes): Likewise.
1724 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
1725 (expand_assignment, store_constructor_field, store_field): Likewise.
1726 (expand_expr_unaligned): Likewise.
1727 * function.c (assign_stack_temp_for_type): Likewise.
1728 (put_reg_into_stack, gen_mem_addressof): Likewise.
1729 * ifcvt.c (noce_try_cmove_arith): Likewise.
1730 * reload1.c (reload, alter_reg): Likewise.
1731 * config/alpha/alpha.c (get_aligned_mem): Likewise.
1732 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
1733 (alpha_expand_unaligned_store): Likewise
1734 (alpha_expand_unaligned_load_words): Likewise.
1735 (alpha_expand_unaligned_store_words): Likewise.
1736 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
1737 (alpha_expand_epilogue): Likewise.
1738 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
1739 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
1740 * config/i386/i386.c (legitimize_pic_address): Likewise.
1741 * config/i960/i960.c (setup_incoming_varargs): Likewise.
1742 * config/ia64/ia64.c (spill_restore_mem): Likewise.
1743 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
1744 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
1745 * config/mips/mips.c (mips_va_arg): Likewise.
1746 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
1747 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
1748 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
1749 (setup_incoming_varargs, rs6000_va_arg): Likewise.
1750 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
1751 (rs6000_emit_epilogue): Likewise.
1752 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
1753 * config/sparc/sparc.c (sparc_va_arg): Likewise.
1754 * config/v850/v850.c (v850_va_arg): Likewise.
1756 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
1758 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
1759 when fallthru edge is present.
1760 (mege_blocks): Handle case where creation of jump insn
1763 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
1764 CLEANUP_POST_REGSTACK): New constants.
1765 * except.c (finish_eh_generation): Update call of cleanup_cfg,
1766 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
1767 * output.h (cleanup_cfg): Update prototype.
1768 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
1769 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
1770 cleanup_cfg call; kill missleading comment.
1771 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
1772 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
1773 parameter; control optimizations performed using it.
1774 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
1775 try_crossjump_bb): New functions.
1777 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
1779 * pa.c (pa_output_function_prologue): Delete prototype. Make function
1781 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
1782 pa_output_function_prologue.
1783 * pa-protos.h (pa_output_function_prologue): New prototype.
1785 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
1787 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
1788 and low to get correct sign extension in low+high test.
1790 2001-07-11 Janis Johnson <janis@us.ibm.com>
1792 * gcov.c (arcdata): Use gcov_type to fix branch percentage
1793 for large hit count.
1795 * profile.c (branch_prob): Fix .bbg info for computed gotos
1798 2001-07-11 Mark Mitchell <mark@codesourcery.com>
1800 * stmt.c (parse_output_constraint): New function, split out
1802 (expand_asm_operands): ... here. Use parse_output_constraint.
1803 * tree.h (parse_output_constraint): Declare it.
1805 2001-07-11 Richard Henderson <rth@redhat.com>
1807 * bitmap.c: Comment some functions; fiddle whitespace.
1808 (bitmap_free): Don't export.
1809 (bitmap_element_allocate): Use memset.
1810 * bitmap.h (bitmap_free): Don't declare.
1812 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
1814 * gcse.c, lcm.c, sched-deps.c:
1815 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
1817 * flow.c (flow_loops_find): Free dom if we found no loops, since
1818 we aren't going to save it.
1820 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
1823 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
1825 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
1827 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1829 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
1830 #ifndef DWARF2_DEBUGGING_INFO.
1832 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
1834 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
1836 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
1838 * config/mips/mips.c (gen_int_relational): Tell the caller not to
1839 reverse a branch if a NE comparison is implemented with GTU.
1841 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
1842 H.J. Lu <hjl@gnu.org>
1844 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
1846 (call_internal2): Likewise.
1847 (call_value_internal1): Likewise.
1848 (call_value_internal2): Likewise.
1849 (call_value_multiple_internal1): Likewise.
1850 (call_value_multiple_internal2): Likewise.
1852 2001-07-10 Kazu Hirata <kazu@hxi.com>
1854 * calls.c (emit_library_call_value_1): Fix a comment typo.
1855 * dwarf2out.c (mem_loc_descriptor): Likewise.
1856 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
1858 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
1860 * simplify-rtx.c (simplify_subreg): Fix typo in comment
1862 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1864 * recog.c (offsettable_address_p): Handle LO_SUM case.
1865 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
1866 instead of plus_constant.
1868 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1870 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
1871 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
1873 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1875 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
1876 adjust_address_nv instead of plus_constant.
1878 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
1880 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
1881 dwarf2out.o): Depend on debug.h, wrap long lines.
1882 * dbxout.c: Include debug.h.
1883 (dbx_debug_hooks): New.
1884 (dbxout_init): Make static, take just 2 args.
1885 (dbxout_finish): Make static.
1886 * dbxout.h (dbxout_init, dbxout_finish): Delete.
1887 * debug.c: New file.
1888 * debug.h: New file.
1889 * dwarf2out.c: Include debug.h.
1890 (dwarf2_debug_hooks): New.
1891 (dwarf2out_init): Make static.
1892 (dwarf2out_finish): Make static, take 2 args.
1893 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
1894 * dwarfout.c: Include debug.h.
1895 (dwarf_debug_hooks): New.
1896 (dwarfout_init): Make static.
1897 (dwarfout_finish): Make static, take 2 args.
1898 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
1899 * sdbout.c: Include debug.h.
1900 (sdb_debug_hooks): New.
1901 (sdbout_init): Make static, take 2 args.
1902 * sdbout.h (sdbout_init): Delete.
1903 * toplev.c: Include debug.h.
1905 (compile_file): Set deubg_hooks based on command line options.
1906 Use the hooks unconditionally rather than conditional compilation.
1908 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
1910 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
1911 first_insn_after_basic_block_note instead.
1913 * df.c (df_bb_refs_unlink): #if 0 out for now.
1915 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
1917 * ssa.h: Add prototype for ssa_const_prop
1918 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
1919 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
1920 (ssa_fast_dce): Remove unused variable
1922 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
1924 * diagnostic.c (finish_diagnostic): Rename to
1925 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
1928 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
1930 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
1933 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
1934 (dump_file): Only pad the demangled name with spaces if the
1935 mangled name was padded with spaces.
1937 2001-07-10 Bernd Schmidt <bernds@redhat.com>
1939 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
1942 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1944 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
1945 extraction if no direct load if either EXPAND_CONST_ADDRESS or
1948 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
1949 whether can put offset inside LO_SUM to check mode alignment, not size.
1951 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
1953 * doc/tm.texi (Misc): Fix thinko.
1955 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
1957 * regmove.c (replace_in_call_usage): Fix warnings.
1958 * sched-deps.c (add_dependence): Fix warnings.
1959 * simplify-rtx.c (simplify_subreg): Likewise.
1960 Return NULL_RTX instead of NULL.
1962 * reg-stack.c (emit_swap_insn): Eliminate warnings.
1963 (subst_asm_stack_regs): Likewise.
1965 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
1968 * dwarf2out.c (output_call_frame_info): Declare i as int.
1969 (build_abbrev_table): Declare n_alloc as int.
1970 (dwarf2out_finish): Initialize die.
1971 * except.c: Declare sjlj_funcdef_number as unsigned.
1972 (connect_post_landing_pads): Declare j as unsigned.
1973 (convert_to_eh_region_ranges): Initialize call_site.
1974 (output_function_exception_table): Initialize tt_format_size.
1975 * expr.c (move_by_pieces_1): Initialize to1.
1976 (store_constructor): Initialize minelt and maxelt.
1977 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
1978 * function.c (instantiate_decls): Avoid signed/unsigned warning.
1980 * c-decl.c (combine_parm_decls): Unused, remove.
1981 * c-tree.h: Remove prototype for combine_parm_decls.
1983 * reload.c (push_reload): Fix warning.
1984 (regno_clobbered_p): Likewise.
1985 * reload1.c (replace_pseudos_in_call_usage): Likewise.
1986 (reload_combine): Likewise.
1988 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
1989 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
1991 * bitmap.c (bitmap_operation): Change user.
1992 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
1994 2001-07-10 Eric Christopher <echristo@redhat.com>
1996 * config/mips/mips.c (override_options): Fix typo.
1998 2001-07-09 Stan Shebs <shebs@apple.com>
2000 * target.h (struct gcc_target): New fields init_builtins and
2002 * target-def.h (TARGET_INIT_BUILTINS): New macro.
2003 (TARGET_EXPAND_BUILTIN): New macro.
2004 (TARGET_INITIALIZER): Add them.
2005 * builtins.c: Include target.h.
2006 (expand_builtin): Use targetm.expand_builtin.
2007 (default_init_builtins): New function.
2008 (default_expand_builtin): New function.
2009 * expr.h (default_init_builtins): Declare.
2010 (default_expand_builtin): Declare.
2011 * c-common.c (c_common_nodes_and_builtins): Use
2012 targetm.init_builtins.
2013 * defaults.h (MD_INIT_BUILTINS): Remove.
2014 * Makefile.in (builtins.o): Depend on target.h.
2016 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
2017 (TARGET_EXPAND_BUILTIN): Define.
2018 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
2019 (MD_EXPAND_BUILTIN): Remove.
2021 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
2022 (TARGET_EXPAND_BUILTIN): Define.
2023 (c4x_init_builtins): Make endlink arg a local.
2024 (c4x_print_operand): Fix typos in adjust_address usages.
2025 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
2026 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
2027 (MD_EXPAND_BUILTIN): Remove.
2029 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
2030 (TARGET_EXPAND_BUILTIN): Define.
2031 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
2032 (ix86_init_builtins): Call new function only if TARGET_MMX.
2033 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
2034 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
2035 (MD_EXPAND_BUILTIN): Remove.
2037 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
2038 (TARGET_EXPAND_BUILTIN): Define.
2039 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
2040 (MD_EXPAND_BUILTIN): Remove.
2042 * doc/tm.texi: Document these changes.
2044 2001-07-09 Diego Novillo <dnovillo@redhat.com>
2046 * basic-block.h (tree_node): Forward declare if needed.
2047 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
2048 (BLOCK_HEAD_TREE): Define.
2049 (BLOCK_END_TREE): Define.
2050 (struct loops): Rename field 'tree' to 'tree_root'.
2051 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
2053 (flow_loops_tree_build): Rename reference to field 'tree' to
2055 (flow_loops_level_compute): Ditto.
2056 * predict.c (estimate_bb_frequencies): Ditto.
2057 * tree.h (struct tree_common): Add field 'aux'.
2059 2001-07-09 Stan Shebs <shebs@apple.com>
2061 * config/darwin.c (darwin_encode_section_info): Don't mark any
2062 DECL_EXTERNAL node as defined.
2064 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
2066 * pa.c (pa_init_machine_status, pa_mark_machine_status,
2067 pa_free_machine_status, hppa_init_pic_save): Delete.
2068 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
2069 (hppa_profile_hook): Use hppa_pic_save_rtx.
2070 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
2071 hppa_init_pic_save): Delete.
2072 (hppa_pic_save_rtx): Declare.
2073 * pa.md (call, call_value, sibcall, sibcall_value,
2074 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
2076 2001-07-09 Kazu Hirata <kazu@hxi.com>
2078 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
2079 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
2081 2001-07-09 Andreas Jaeger <aj@suse.de>
2083 * output.h: Add declaration of final_forward_branch_p.
2085 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
2087 * varray.c: Include errors.h for internal_error and trim_filename
2090 * Makefile.in (varray.o): Add errors.h.
2092 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
2094 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
2095 * optabs.c (have_add2_insn): Check whether the add insn chosen
2096 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
2097 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
2099 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
2101 * Makefile.in (OBJS): Add ssa-ccp.o
2102 (ssa-ccp.o): Add dependencies.
2103 * toplev.c (DFI_ssa_ccp): New dump file enum.
2104 (dump_file): Add entry for dumping after SSA CCP.
2105 (flag_ssa_ccp): New flag variable.
2106 (f_options): Add -fssa-ccp.
2107 (rest_of_compilation): Run SSA CCP if requested.
2108 * timevar.def (TV_SSA_CCP): New timevar.
2109 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
2110 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
2111 Fix minor typo in SSA DCE documentation.
2112 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
2113 Add documentation for new dump option. Renumber dump files
2116 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2118 * emit-rtl.c (gen_highpart_mode): New.
2119 * rtl.h (gen_highpart_mode): Declare.
2120 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
2121 operand can be VOIDmode constant.
2123 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
2125 * flow.c (redirect_edge_and_branch_force): New.
2126 (can_fallthru): Ensure that basic blocks are succeeding.
2127 (try_optimize_cfg): Do not delete basic block if it is the last one.
2129 * flow.c (try_redirect_by_replacing_jump): Do not remove
2130 jumps with side effects, unlink chain on fallthru edge;
2131 set block for new jump instruction; avoid basic block to
2132 over by line number note.
2134 * flow.c (try_simplify_condjump): Verify that the condjump
2135 is not always falling trought.
2138 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
2140 * flow.c (forwarder_block_p): Fix for fallthru blocks.
2141 (try_redirect_by_replacing_jump): Update properly the count
2142 and frequency information.
2144 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2146 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
2147 address that is a LO_SUM specially.
2148 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
2150 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
2152 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
2153 (operand_subword): Use them.
2154 (change_address_1): Renamed from change_address; new arg VALIDATE.
2155 * expr.h: Reflect above changes; change_address now macro.
2156 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
2158 * cselib.c (add_mem_for_addr): Likewise.
2159 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
2160 * regmove.c (try_apply_stack_adjustment): Likewise.
2161 * reload.c (push_reload, make_memloc): Likewise.
2162 * reload1.c (eliminate_regs): Likewise.
2163 * simplify-rtx.c (simplify_replace_rtx): Likewise.
2164 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
2166 * combine.c (make_extraction, simplify_shift_const): Likewise.
2167 (gen_lowpart_for_combine): Likewise.
2168 * cse.c (gen_lowpart_if_possible): Likewise.
2169 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
2170 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
2171 * optabs.c (gen_move_insn): Likewise.
2172 * reload1.c (alter_reg): Likewise.
2173 * simplify-rtx.c (simplify_subreg): Likewise.
2174 * stmt.c (expand_anon_union_decl): Likewise.
2175 * recog.c (validate_replace_rtx_1): Likewise.
2177 * Makefile.in (recog.o): Add $(EXPR_H).
2178 * explow.c (stabilize): Call replace_equiv_address.
2179 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
2180 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
2182 2001-07-03 Andrew Haley <aph@redhat.com>
2184 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
2185 the mode of the memory location.
2187 2001-07-09 Bo Thorsen <bo@suse.co.uk>
2189 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
2191 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
2193 * final.c (output_addr_const): Use target opening and
2194 closing parentheses.
2195 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
2196 defaults, add to TARGET_ASM_OUT.
2197 * target.h (struct gcc_target): Add open_paren and close_paren.
2198 * doc/md.texi: Update.
2199 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
2200 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
2201 TARGET_ASM_CLOSE_PAREN.
2202 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
2204 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
2206 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
2207 * config/a29k/a29k.h: Similarly.
2208 * config/alpha/alpha.h: Similarly.
2209 * config/arc/arc.h: Similarly.
2210 * config/arm/aof.h: Similarly.
2211 * config/arm/aout.h: Similarly.
2212 * config/avr/avr.h: Similarly.
2213 * config/c4x/c4x.h: Similarly.
2214 * config/clipper/clipper.h: Similarly.
2215 * config/convex/convex.h: Similarly.
2216 * config/d30v/d30v.h: Similarly.
2217 * config/dsp16xx/dsp16xx.h: Similarly.
2218 * config/elxsi/elxsi.h: Similarly.
2219 * config/fr30/fr30.h: Similarly.
2220 * config/h8300/h8300.h: Similarly.
2221 * config/i370/i370.h: Similarly.
2222 * config/i386/i386.h: Similarly.
2223 * config/i860/i860.h: Similarly.
2224 * config/i960/i960.h: Similarly.
2225 * config/ia64/ia64.h: Similarly.
2226 * config/m32r/m32r.h: Similarly.
2227 * config/m68hc11/m68hc11.h: Similarly.
2228 * config/m68k/m68k.h: Similarly.
2229 * config/m88k/m88k.h: Similarly.
2230 * config/mcore/mcore.h: Similarly.
2231 * config/mips/mips.h: Similarly.
2232 * config/mn10200/mn10200.h: Similarly.
2233 * config/mn10300/mn10300.h: Similarly.
2234 * config/ns32k/ns32k.h: Similarly.
2235 * config/pa/pa.h: Similarly.
2236 * config/pdp11/pdp11.h: Similarly.
2237 * config/pj/pj.h: Similarly.
2238 * config/romp/romp.h: Similarly.
2239 * config/rs6000/rs6000.h: Similarly.
2240 * config/sh/sh.h: Similarly.
2241 * config/sparc/sparc.h: Similarly.
2242 * config/v850/v850.h: Similarly.
2243 * config/vax/vax.h: Similarly.
2244 * config/we32k/we32k.h: Similarly.
2246 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
2248 * doc/c-tree.texi: Document representation of attributes.
2250 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
2252 * doc/tm.texi: Update some places for the rename of target to
2255 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
2257 * target.h (struct gcc_target): Add insert_attributes.
2258 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
2259 (TARGET_INITIALIZER): Update.
2260 * tree.c, tree.h (default_insert_attributes): New function.
2261 Update comments on other default functions to refer to targetm,
2263 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
2264 TARGET_INSERT_ATTRIBUTES.
2265 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
2266 * c-common.c (decl_attributes): Use targetm.insert_attributes.
2267 Don't use PRAGMA_INSERT_ATTRIBUTES.
2268 * Makefile.in (c-common.o): Depend on $(TARGET_H).
2269 * c-decl.c (start_decl, start_function): Don't call
2270 SET_DEFAULT_DECL_ATTRIBUTES.
2271 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
2272 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
2274 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
2275 (c4x_check_attribute): Avoid modifying attribute list itself.
2276 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
2278 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
2279 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
2281 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
2282 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
2284 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
2285 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
2287 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
2288 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
2289 Adjust parameters. Make static.
2291 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
2293 * c-common.c (decl_attributes): Only take a single attributes
2295 * c-common.h (decl_attributes): Update prototype.
2296 * c-decl.c (start_decl, start_function): Only take a single
2297 attributes parameter. Update calls to decl_attributes.
2298 (finish_struct, finish_enum): Update calls to decl_attributes.
2299 (push_parm_decl): Expect unified list of attributes. Update call
2301 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
2302 notype_nested_function, component_declarator,
2303 component_notype_declarator, label): Update calls to
2305 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
2306 lists that are passed to push_parm_decl.
2307 * c-tree.h (start_function, start_decl): Update prototypes.
2308 * config/sh/sh-protos.h, config/sh/sh.c
2309 (sh_pragma_insert_attributes): Only take a single attributes
2311 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
2312 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
2313 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
2314 build_module_descriptor, generate_static_references,
2315 generate_strings, build_selector_translation_table,
2316 generate_descriptor_table, generate_protocols,
2317 generate_ivars_list, generate_dispatch_table,
2318 generate_protocol_list, generate_category,
2319 generate_shared_structures, really_start_method, add_objc_decls,
2320 generate_classref_translation_entry): Update calls to start_decl
2322 (build_tmp_function_decl, start_method_def): Unify attribute lists
2323 that are passed to push_parm_decl.
2325 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
2327 * final.c (no_asm_to_stream): New.
2328 (final_scan_insn): Use target structures for prologue ends
2329 and epilogue starts.
2330 * output.h (no_asm_to_stream): New.
2331 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
2332 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
2333 (TARGET_ASM_OUT): Update.
2334 * target.h (struct gcc_target): New members function_end_prologue
2335 and function_begin_epilogue.
2336 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
2337 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
2338 * config/alpha/alpha.c (output_end_prologue): Rename to
2339 alpha_output_function_end_prologue. Use in target struct
2341 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
2342 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
2343 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
2344 ia64_output_function_end_prologue. Use in target struct
2346 (ia64_function_prologue, ia64_funciton_epilogue): Rename
2347 mistyped prototypes.
2348 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
2349 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
2351 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
2352 an use in target struct, make static.
2353 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
2356 2001-07-08 Richard Henderson <rth@redhat.com>
2358 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
2360 2001-07-08 Richard Henderson <rth@redhat.com>
2362 * config/i386/i386.md: Remove constraints strings from define_split
2363 and define_peephole2 patterns.
2364 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
2365 (eh_return): Use them.
2367 2001-07-08 Richard Henderson <rth@redhat.com>
2369 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
2370 Document MD_FALLBACK_FRAME_STATE_FOR.
2372 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2374 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
2375 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
2377 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
2379 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
2381 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
2382 of the label inside NAME as opposed to just the end of NAME.
2384 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
2386 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
2387 * config/alpha/alpha.c (alpha_init_machine_status,
2388 alpha_mark_machine_status, alpha_free_machine_status): Delete.
2389 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
2390 (vms_valid_decl_attribute_p): Make static, conditionally compile.
2391 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
2393 2001-07-06 Stan Shebs <shebs@apple.com>
2395 * target.h (targetm): Rename global from "target", so as not to
2396 conflict with local variables.
2398 * c-typeck.c: Ditto.
2402 * cp/decl2.c: Ditto.
2403 * cp/typeck.c: Ditto.
2404 * 1750a/1750a.c: Ditto.
2405 * a29k/a29k.c: Ditto.
2409 * clipper/clipper.c: Ditto.
2410 * convex/convex.c: Ditto.
2411 * d30v/d30v.c: Ditto.
2412 * dsp16xx/dsp16xx.c: Ditto.
2413 * elxsi/elxsi.c: Ditto.
2414 * fr30/fr30.c: Ditto.
2415 * h8300/h8300.c: Ditto.
2416 * i370/i370.c: Ditto.
2417 * i386/i386.c: Ditto.
2418 * i860/i860.c: Ditto.
2419 * i960/i960.c: Ditto.
2420 * ia64/ia64.c: Ditto.
2421 * m32r/m32r.c: Ditto.
2422 * m68hc11/m68hc11.c: Ditto.
2423 * m68k/m68k.c: Ditto.
2424 * m88k/m88k.c: Ditto.
2425 * mips/mips.c: Ditto.
2426 * ns32k/ns32k.c: Ditto.
2428 * pdp11/pdp11.c: Ditto.
2429 * romp/romp.c: Ditto.
2430 * rs6000/rs6000.c: Ditto.
2432 * sparc/sparc.c: Ditto.
2434 * we32k/we32k.c: Ditto.
2435 * doc/tm.texi: Update the manual to match.
2437 2001-07-06 Richard Henderson <rth@redhat.com>
2439 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
2440 DWARF2_UNWIND_INFO not just whether it is defined.
2442 2001-07-06 Diego Novillo <dnovillo@redhat.com>
2444 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
2445 call to simplify_binary_operation returns a new pattern.
2447 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2449 * glimits.h (__SHRT_MAX__): New.
2450 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
2451 (SHRT_MAX): Define in terms of __SHRT_MAX__.
2453 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
2455 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
2458 2001-07-06 Richard Henderson <rth@redhat.com>
2460 * bitmap.c (bitmap_release_memory): Move adjacent to the
2461 allocation functions.
2462 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
2463 the implementation. Binary search for the set bit.
2464 (bitmap_union_of_diff): Allocate the temporary on the stack
2465 instead of using xmalloc.
2467 2001-07-06 Richard Henderson <rth@redhat.com>
2469 * genrecog.c (validate_pattern): Warn for constraints in
2470 define_{expand,split,peephole2}. Remove strict_low_part
2471 before looking up match_dup.
2473 2001-07-06 DJ Delorie <dj@redhat.com>
2475 * doc/gcc.texi (Makefile): Rename to be a more general purpose
2476 chapter about various build hints and history. Add section
2477 talking about the various types of native and cross builds.
2479 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
2481 * Makefile.in (final.o): Depend on target.h.
2482 * final.c: Include target.h.
2483 (default_function_pro_epilogue): New.
2484 (final_start_function): Use target structure for function prologues.
2485 (final_end_function): Use target structure for function epilogues.
2486 * fold-const.c (real_hex_to_f): Constify s and p.
2487 * output.h (default_function_pro_epilogue): New.
2488 * real.h (real_hex_to_f): Update prototype.
2489 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
2490 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
2491 (TARGET_INITIALIZER): Update.
2492 * target.h (gcc_target): Add struct asm_out.
2493 * doc/tm.texi: Update.
2496 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
2497 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
2498 in cpu/cpu.c, or rename old functions consistently. Take
2499 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
2500 redundant macros and prototypes. Make new functions static.
2502 * 1750a/1750a.c: Similarly.
2503 * 1750a/1750a.h: Similarly.
2504 * a29k/a29k-protos.h: Similarly.
2505 * a29k/a29k.c: Similarly.
2506 * a29k/a29k.h: Similarly.
2507 * arc/arc-protos.h: Similarly.
2508 * arc/arc.c: Similarly.
2509 * arc/arc.h: Similarly.
2510 * arm/arm-protos.h: Similarly.
2511 * arm/arm.c: Similarly.
2512 * arm/arm.h: Similarly.
2513 * avr/avr-protos.h: Similarly.
2514 * avr/avr.c: Similarly.
2515 * avr/avr.h: Similarly.
2516 * clipper/clipper-protos.h: Similarly.
2517 * clipper/clipper.c: Similarly.
2518 * clipper/clipper.h: Similarly.
2519 * convex/convex.c: Similarly.
2520 * convex/convex.h: Similarly.
2521 * d30v/d30v-protos.h: Similarly.
2522 * d30v/d30v.c: Similarly.
2523 * d30v/d30v.h: Similarly.
2524 * d30v/d30v.md: Similarly.
2525 * dsp16xx/dsp16xx-protos.h: Similarly.
2526 * dsp16xx/dsp16xx.c: Similarly.
2527 * dsp16xx/dsp16xx.h: Similarly.
2528 * elxsi/elxsi.c: Similarly.
2529 * elxsi/elxsi.h: Similarly.
2530 * fr30/fr30.c: Similarly.
2531 * fr30/fr30.md: Similarly.
2532 * h8300/h8300-protos.h: Similarly.
2533 * h8300/h8300.c: Similarly.
2534 * h8300/h8300.h: Similarly.
2535 * i370/i370-protos.h: Similarly.
2536 * i370/i370.c: Similarly.
2537 * i370/i370.h: Similarly.
2538 * i386/i386.c: Similarly.
2539 * i386/osf1elf.h: Similarly.
2540 * i386/osfrose.h: Similarly.
2541 * i860/i860-protos.h: Similarly.
2542 * i860/i860.c: Similarly.
2543 * i860/i860.h: Similarly.
2544 * i960/i960-protos.h: Similarly.
2545 * i960/i960.c: Similarly.
2546 * i960/i960.h: Similarly.
2547 * ia64/ia64-protos.h: Similarly.
2548 * ia64/ia64.c: Similarly.
2549 * ia64/ia64.h: Similarly.
2550 * m32r/m32r-protos.h: Similarly.
2551 * m32r/m32r.c: Similarly.
2552 * m32r/m32r.h: Similarly.
2553 * m68hc11/m68hc11-protos.h: Similarly.
2554 * m68hc11/m68hc11.c: Similarly.
2555 * m68hc11/m68hc11.h: Similarly.
2556 * m68k/crds.h: Similarly.
2557 * m68k/dpx2.h: Similarly.
2558 * m68k/m68k-protos.h: Similarly.
2559 * m68k/m68k.c: Similarly.
2560 * m68k/m68k.h: Similarly.
2561 * m68k/news.h: Similarly.
2562 * m88k/m88k-protos.h: Similarly.
2563 * m88k/m88k.c: Similarly.
2564 * m88k/m88k.h: Similarly.
2565 * mips/mips-protos.h: Similarly.
2566 * mips/mips.c: Similarly.
2567 * mips/mips.h: Similarly.
2568 * ns32k/merlin.h: Similarly.
2569 * ns32k/ns32k.c: Similarly.
2570 * ns32k/ns32k.h: Similarly.
2571 * ns32k/tek6000.h: Similarly.
2572 * pa/pa-protos.h: Similarly.
2573 * pa/pa.c: Similarly.
2574 * pa/pa.h: Similarly.
2575 * pdp11/2bsd.h: Similarly.
2576 * pdp11/pdp11-protos.h: Similarly.
2577 * pdp11/pdp11.c: Similarly.
2578 * pdp11/pdp11.h: Similarly.
2579 * romp/romp-protos.h: Similarly.
2580 * romp/romp.c: Similarly.
2581 * romp/romp.h: Similarly.
2582 * rs6000/rs6000-protos.h: Similarly.
2583 * rs6000/rs6000.c: Similarly.
2584 * rs6000/rs6000.h: Similarly.
2585 * rs6000/sysv4.h: Similarly.
2586 * sh/sh-protos.h: Similarly.
2587 * sh/sh.c: Similarly.
2588 * sh/sh.h: Similarly.
2589 * sparc/sparc-protos.h: Similarly.
2590 * sparc/sparc.c: Similarly.
2591 * sparc/sparc.h: Similarly.
2592 * vax/vax.c: Similarly.
2593 * vax/vax.h: Similarly.
2594 * vax/vms.h: Similarly.
2595 * we32k/we32k.c: Similarly.
2596 * we32k/we32k.h: Similarly.
2598 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
2600 * basic-block.h (first_insn_after_basic_block_note): Declare.
2601 * flow.c (first_insn_after_basic_block_note): Define. Moved
2603 * ssa.c (first_insn_after_basic_block_note): Remove.
2604 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
2606 (ssa_eliminate_dead_code): Properly update the CFG and PHI
2607 nodes when we find a dead conditional branch. Insert BARRIERs
2608 after any blocks with no successors, but which do not have
2611 2001-07-06 Zack Weinberg <zackw@stanford.edu>
2613 * varray.c (varray_check_failed): Use internal_error.
2615 2001-07-05 Andrew Haley <aph@redhat.com>
2617 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
2618 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
2619 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
2621 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
2623 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
2624 reference if the target constant is also a SYMBOL_REF.
2626 2001-07-05 Eric Christopher <echristo@redhat.com>
2628 * config/mips/mips.h (MASK_MIPS3900): Remove.
2629 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
2630 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
2631 (TARGET_MIPS3900): Change to use mips_arch.
2632 (TARGET_MIPS4000): New.
2633 (TARGET_MIPS4100): New.
2634 (TARGET_MIPS4300): New.
2635 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
2636 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
2638 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
2639 (ISA_HAS_BRANCHLIKELY): To here.
2640 (CC1_CPU_SPEC): New.
2641 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
2642 (mips_arch_string): Declare.
2643 (mips_arch): Declare.
2644 (TARGET_OPTIONS): Add -march and -mtune.
2646 * config/mips/mips.c (mips_arch_string): New.
2648 (override_options): Handle -march for codegen and -mtune
2649 for scheduling. Use mips_arch. Move tx39 target default here.
2650 (mips_parse_cpu): Move error message to override_options.
2652 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
2654 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
2656 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
2657 (MIPS Options): Ditto. Change mcpu entry to historical text.
2659 2001-07-05 H.J. Lu (hjl@gnu.org)
2661 * config/mips/mips.c (mips_parse_cpu): New function to parse
2664 2001-07-05 Jim Wilson <wilson@redhat.com>
2666 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
2667 * config/ia64/t-ia64: Likewise.
2668 (LIB1ASMFUNCS): Update comment.
2670 2001-07-05 David Edelsohn <edelsohn@gnu.org>
2672 * doc/install.texi (Install GCC: Binaries): Fix typo.
2674 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2676 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
2677 reference using the stack pointer, adjust it since we push Y
2679 ("*ashrsi3"): Likewise.
2680 ("*lshrsi3"): Likewise.
2682 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2684 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
2685 when -fomit-frame-pointer is used.
2687 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
2689 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
2690 (try_redirect_by_replacing_jump): Reverse updating properly the
2691 count and frequency information. Reverse removing cc0 setter.
2692 (forwarder_block_p): Reverse fixing for fallthru blocks.
2694 2001-07-05 DJ Delorie <dj@redhat.com>
2696 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
2697 (translate_options): If the above is defined, use it to map
2698 given options to new options.
2699 * doc/tm.texi: Document it.
2701 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
2702 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2704 * doc/invoke.texi (Optimize Options): Document that -fgcse may
2705 cause programs using computed gotos to run more slowly.
2707 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2709 * doc/install.texi (Specific): Markup, spelling and typo fixes.
2711 Consistently require binutils 2.11.2, not prereleases.
2712 (Specific, decstation-*): Canonicalize as mips-dec-*.
2713 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
2715 (Specific, m68k-altos): Removed reference to README.altos, deleted.
2716 (Specific, mips-*): Reword MIPS C compiler requirements.
2717 (Specific, powerpc*-*-*): New, mention --with-cpu once.
2718 (Specific, sunv5): Removed, obsolete.
2720 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
2722 * dwarf2out.c (output_loc_list): Use an all ones mask for
2723 .text asm output and don't rely on long long
2724 literals. Reformat some long lines.
2726 2001-07-05 Andreas Jaeger <aj@suse.de>
2728 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
2731 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
2733 * dwarf2out.c (dwarf2out_define): Update comment.
2734 (dwarf2out_undef): Ditto.
2735 (dwarf2out_start_source_file): Ditto.
2736 (dwarf2out_end_source_file): Ditto.
2737 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
2738 since we never call the start/end debug hook for the primary file.
2740 2001-07-04 Kazu Hirata <kazu@hxi.com>
2742 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
2745 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
2747 * cppinit.c (remove_dup_dirs): Inform if a system include
2748 directory is being reordered.
2749 * doc/invoke.texi (Directory Options): GCC warns if you hide a
2751 * doc/cpp.texi (Search Paths): Likewise.
2752 * doc/gcc.texi (Interoperation): Remove information about
2755 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
2757 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
2758 (VARRAY_TOP_CHAR_PTR): Likewise.
2760 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2762 * gcc.c (process_command): Don't assign elements of a const char*.
2764 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2766 * emit-rtl.c (change_address): Don't abort if invalid address while
2767 reload is in progress.
2769 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
2771 * c-lex.c (cb_file_change): Pass line number to
2772 debug_start_source_file.
2773 (cb_undefine): Pass correct line number to debug_undef.
2775 * toplev.c (debug_start_source_file): Add line number to
2776 parameters. Pass it along to dwarf2out_start_source_file.
2777 (decode_g_option): Stop resetting debug level back to normal when
2778 we change debug formats, unless the current level is
2779 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
2782 * toplev.h (debug_start_source_file): Add line number to
2785 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
2788 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
2790 Output debug_macinfo data for starting file if requested.
2791 (dwarf2out_end_source_file): Output debug_macinfo data for ending
2793 (dwarf2out_define): Output debug_macinfo data for defining a macro
2795 (dwarf2out_undef): Output debug_macinfo data for undefining a
2797 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
2798 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
2799 (macinfo_section_label): New. DWARF2 macro info section label.
2800 (dwarf2out_init): If we want macro info, output the start label
2802 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
2803 attribute to the compilation unit die pointing to the macro info.
2805 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
2807 * dwarf2out.c (new_loc_list): Move to inside #ifdef
2808 DWARF2_DEBUGGING_INFO.
2809 (add_loc_descr_to_loc_list): Ditto.
2810 (output_loc_list): Ditto.
2811 Also, fix thinko in curr not being initialized.
2812 (gen_internal_sym): Ditto.
2814 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2816 * emit-rtl.c (replace_equiv_address): New function.
2817 * expr.h (replace_equiv_address): New declaration.
2818 * explow.c (validize_mem): Call it instead of change_address and
2819 also call if -fforce-addr and address is constant.
2820 * expr.c: Replace more calls to change_address with adjust_address
2821 and/or replace_equiv_address or to validize_mem.
2822 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
2823 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
2824 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
2825 * config/i370/i370.md, config/i860/i860.md: Likewise.
2826 * config/i960/i960.md, config/mips/mips.c: Likewise.
2827 * config/mips/mips.md, config/pa/pa.md: Likewise.
2828 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
2829 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
2831 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2833 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
2835 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
2838 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
2840 * doc/include: New directory.
2841 * doc/fdl.texi: Move to doc/include/fdl.texi.
2842 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
2843 * doc/include/funding.texi, doc/include/gpl.texi: New files.
2844 * doc/gcc.texi: Use funding.texi and gpl.texi.
2845 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
2846 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
2847 Update dependencies and use -I $(docdir)/include.
2849 2001-07-04 Anthony Green <green@redhat.com>
2851 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
2853 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2855 * doc/install.texi (sparc64-*-*): Remove garbage.
2857 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
2859 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
2860 Fix typo in last change to use adjust_address.
2862 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2864 * doc/install.texi (Specific): Update information for *-*-solaris*.
2866 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2868 * explow.c (plus_constant_wide): Reinitialize Y for restart.
2870 2001-07-03 Stan Shebs <shebs@apple.com>
2872 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
2873 case for flag_no_mach_text_sections.
2874 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
2875 * config/darwin.c (flag_no_mach_text_sections): Remove.
2876 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
2878 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2880 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
2881 and avoid checking for constant as first operand.
2882 * recog.c (find_constant_term_loc): No longer static.
2883 (adj_offettable_operand): Delete.
2884 * rtl.h (adj_offsettable_operand): Delete declaration.
2885 (find_constant_term): Add declaration.
2886 * caller-save.c: Replace calls to adj_offsettable_operand with calls
2888 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
2889 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
2890 * config/i386/i386.c, config/i386/i386.md: Likewise.
2891 * config/i860/i860.c, config/i960/i960.c: Likewise.
2892 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
2893 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
2894 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
2895 * config/mips/mips.c, config/mips/mips.md: Likewise.
2896 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
2897 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
2898 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
2899 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
2900 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
2901 * config/ns32k/ns32k.md: Likewise.
2903 2001-07-03 Zack Weinberg <zackw@stanford.edu>
2905 * rtl.c (copy_rtx): Handle 'T' format letter.
2906 * gensupport.c (collect_insn_data): Likewise.
2907 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
2909 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
2911 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
2912 -B option. Use 'dir' not 'foo' as example directory name.
2914 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2916 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
2917 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
2919 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
2921 * doc/cppinternals.texi: Improve formatting and logical markup.
2923 2001-07-03 Andreas Jaeger <aj@suse.de>
2925 * Makefile.in (insn-recog.o): Add dependency on reload.h.
2927 * genrecog.c (write_header): Include reload.h for prototypes in
2930 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
2933 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
2934 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
2935 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
2936 i386_pe_valid_type_attribute_p): Add.
2937 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
2938 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
2940 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2942 * explow.c (plus_constant_wide, case LO_SUM): New case.
2943 (plus_constant_for_output_wide): Delete.
2944 * rtl.h (plus_constant_for_output): Delete.
2945 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
2946 instead of plus_constant_for_output.
2947 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
2948 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
2949 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
2950 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
2951 * config/sparc/sparc.md: Likewise.
2952 Convert some change_address calls to adjust_address.
2954 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
2956 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
2957 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
2958 documentation of -std and -Wwrite-strings.
2960 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
2962 * cse.c (canon_hash): Don't register registers in very small
2963 register classes, as extending their lifetime might cause
2966 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2968 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
2970 * flow.c (forwarder_block_p): Fix for fallthru blocks.
2971 (try_redirect_by_replacing_jump): Update properly the count
2972 and frequency information.
2974 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
2976 * toplev.c (dump_file_index): Move SSA dumps just after first
2978 (dump_file): Corresponding changes.
2979 (rest_of_compilation): Move SSA path to just after the first
2981 * doc/gcc.texi (Passes): Update due to movement of SSA path.
2982 * doc/invoke.texi: Update dump file #s as they were completely
2983 out of date with reality.
2985 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
2987 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
2989 * expr.c (emit_move_insn_1): Deal with non-default
2992 * expr.c (emit_single_push_insn): Fix warning.
2994 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
2996 * expr.c (emit_move_insn_1): Avoid modifying
2997 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
2999 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3001 * emit-rtl.c (adjust_address): New function.
3002 * expr.h (adjust_address): Add declaration.
3003 * builtins.c: Replace some calls to change_address with calls to it
3005 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
3006 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
3007 * config/arm/arm.c, config/convex/convex.c: Likewise.
3008 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
3009 * config/i386/i386.c, config/i386/i386.md: Likewise.
3010 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
3011 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
3012 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
3013 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
3014 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
3016 2001-07-02 Jim Wilson <wilson@redhat.com>
3018 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
3020 2001-07-02 Steve Ellcey <sje@cup.hp.com>
3022 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
3023 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
3025 2001-07-02 Zack Weinberg <zackw@stanford.edu>
3027 * cppinit.c (lang_defaults): New table.
3028 (set_lang): Just read from lang_defaults into the live options
3031 2001-07-02 Zack Weinberg <zackw@stanford.edu>
3033 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
3034 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
3035 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
3037 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3039 * doc/install.texi: Various spelling and markup fixes.
3040 (Installing GCC): Component specific installation instructions are
3043 Warn about removing old install dir in the presence of shared libs.
3044 (Configuration): Invoke with options target to match configure
3046 Consistently refer to gas, gld pathnames.
3047 Invert --enable-multilib documentation.
3048 Remove references to old compiler versions.
3050 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3052 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
3054 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3056 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
3058 (Specific, mips*-sgi-irix5): Note IDO download.
3059 Reworded MIPS C hints.
3060 Use GNU as instead of GAS.
3062 Removed SGI Freeware reference, IRIX 6 only.
3063 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
3064 Note N64 library requirement/workaround.
3066 Complete list of structure passing bug victims.
3068 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3070 * doc/install.texi: Remove CVS Id.
3072 2001-07-02 Andreas Jaeger <aj@suse.de>
3074 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
3075 (find_inherently_necessary): Remove unused variable.
3077 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
3079 * c-common.h (TDI_inlined): New ast dump phase.
3080 (dump_flag_name): New function.
3081 * c-dump.c (dump_files): Add inlined phase.
3082 (dump_flag_name): Define.
3083 * doc/invoke.texi (-fdump-ast-inlined): Document.
3085 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3087 * stor-layout.c (layout_decl): Revert change to handling of alignment
3090 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3092 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
3095 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
3097 * doc/tm.texi (FUNCTION_ARG): Document that the last call
3100 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
3102 * tlink.c (recompile_files): Remove COMPILER_PATH and
3103 LIBRARY_PATH from the environment.
3105 2001-07-01 Zack Weinberg <zackw@stanford.edu>
3107 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
3108 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
3110 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
3112 * c-parse.in (OBJC_STRING): Kill.
3113 (objc_string): Decompose to [objc_string] '@' STRING.
3114 (reswords): Take the leading '@' off all the Objective C keywords.
3115 (objc_rid_sans_at): Kill.
3116 (init_reswords): Don't initialize it.
3117 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
3118 (_yylex): Kill reconsider label. Look ahead one token after
3119 an '@'; if we get an identifier, check whether it's an
3120 Objective C @-keyword. If so, return the keyword. Otherwise,
3121 put back the token and return the '@' as a terminal.
3123 * cpplib.c (lex_macro_node): Remove unnecessary check for
3124 leading '@' on identifier. Clarify control flow and commentary.
3126 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3128 * cse.c (new_label_ref): Variable deleted.
3129 (insert): Remove set of new_label_ref.
3130 (check_for_label_ref): New function.
3131 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
3133 See ChangeLog.5 for earlier changes.