1 2001-07-30 Andreas Jaeger <aj@suse.de>
3 * jump.c: Add prototype for mark_modified_reg.
5 * cse.c (set_live_p): Add unused attribute.
7 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
9 (scan_for_source_files): Use long for count to avoid overflow.
10 (output_data): Likewise.
11 (output_data): Don't use string concatatenation to silence gcc
14 * predict.c: Fix typos and grammar.
16 * gcse.c (insert_insn_end_bb): Remove unused variables.
18 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
20 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
21 (attempt_auto_inc): LIkewise.
22 (mark_used_reg): Likewise.
23 (try_pre_increment_1): Likewise.
24 * regclass.c (regclass): Likewise.
25 * global.c (allocno_compare): Update comment; change scaling factor.
26 * local-alloc.c (QTY_CMP_PRI): Likewise.
27 * regs.h (REG_FREQ_FROM_BB): New.
28 (REG_FREQ_MAX): Likewise.
30 2001-07-30 H.J. Lu <hjl@gnu.org>
32 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
35 2001-07-30 H.J. Lu (hjl@gnu.org)
37 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
38 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
39 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
41 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
43 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
44 as -mthumb-interwork when -mcpu=arm7 is specified.
46 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
48 * predict.def (noreturn, loop branch, loop exit): Mark as first
51 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
53 * combine.c (try_combine): Avoid barrier after noop jumps.
55 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
57 * cpphash.h (struct cpp_reader): Remove import_warning.
58 * cpplib.c (skip_rest_of_line): Don't bother turning off
60 (parse_include): Move include handling to...
61 (do_include_common): ... here. Move import warning from...
62 (do_import): ... here.
63 (do_pragma_poison): Don't do a callback for poison identifiers.
64 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
65 * cppmain.c (setup_callbacks): Similarly.
67 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
69 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
71 * except.c (sjlj_mark_call_sites): .... here.
72 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
74 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
76 Suggested by Richard Henderson and Richard Kenner:
77 * combine.c (recog_for_combine): Use the fake recog
78 only if instruction does not match.
79 * rtl.h (NOOP_MOVE_INSN_CODE): New.
80 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
82 * combine.c (try_combine): Discover noop jump as direct jump.
84 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
86 * df.c (df_rd_global_compute): Add successors to worklist, not
88 (df_ru_global_compute): Ditto.
90 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
92 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
95 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
97 * sbitmap.h: New prototype for sbitmap_a_xor_b.
99 * sbitmap.c (sbitmap_a_xor_b): New function.
100 ifdef the basic block stuff on IN_GCC.
102 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
104 * cppexp.c (parse_defined): Always record the macro name.
105 (lex): Don't worry about identifiers, or special-case
107 (_cpp_parse_expr): Figure out at the end of the routine
108 whether we saw a valid !defined() expression.
109 * cppfiles.c (stack_include_file): Update for mi_valid.
110 (_cpp_pop_file_buffer): Similarly.
111 * cpplex.c (_cpp_lex_token): Similarly.
112 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
113 mi_if_not_defined, mi_lexed): Remove.
115 * cpplib.c (do_if): Simplify.
116 (do_endif, push_conditional, _cpp_handle_directive): Update
117 for renaming of mi_state to mi_valid.
119 * cpp.texi: Add index entries for digraphs, and add comment
120 that C++ refers to them as alternative tokens.
122 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
124 * basic-block.h (CLEANUP_PRE_LOOP): New.
125 * except.c (finish_eh_generation): Update call of cleanup_cfg.
126 * sibcall.c (optimize_sibling_calls): Likewise.
127 * toplev.c (rest_of_compilation): Likewise.
128 * flow.c (try_forward_edges): Take argument MODE;
129 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
130 (try_optimize_cfg): Update call of try_forward_edges.
132 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
133 Jan Hubicka <jh@suse.cz>
135 * (validate_replace_rtx_1): Fix simplification of MINUS.
137 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
140 * cppinit.c (init_dependency_output): Turn off dump requests
141 if sending dependencies to stdout.
143 2001-07-28 Richard Henderson <rth@redhat.com>
145 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
148 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
150 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
152 2001-07-28 Kazu Hirata <kazu@hxi.com>
154 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
155 is VAR_DECL first to prevent an ICE.
157 2001-07-28 Richard Henderson <rth@redhat.com>
159 * varasm.c (immed_real_const_1): Don't elide special cases for
161 (clear_const_double_mem): Clear const_tiny_rtx too.
163 2001-07-28 Richard Henderson <rth@redhat.com>
165 * dwarf2out.c (dw_val_class_offset): New.
166 (struct dw_ranges_struct, dw_ranges_ref): New.
167 (ranges_table, ranges_table_allocated): New.
168 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
169 (add_AT_offset, add_ranges, output_ranges): New.
170 (print_die, output_die): Handle dw_val_class_offset.
171 (attr_checksum, size_of_die, value_format): Likewise.
172 (gen_lexical_block_die): Handle non-contiguous blocks.
173 (gen_block_die): Likewise.
174 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
175 if needed. Dump the ranges table.
176 * final.c (final_start_function): Remove unnecessary notes and
177 rebuild the block tree before numbering the blocks.
178 * function.c (reorder_blocks_0): Walk the existing block tree
179 to unmark all blocks.
180 (reorder_blocks_1): Create block fragments when duplicate block
182 (reorder_fix_fragments): New.
183 (reorder_blocks): Call it.
184 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
186 2001-07-28 Richard Henderson <rth@redhat.com>
188 * emit-rtl.c (adjust_address): Make a copy of the memory address.
190 2001-07-28 Richard Henderson <rth@redhat.com>
192 * flow.c (add_to_mem_set_list): New function.
193 (init_propagate_block_info): Use it.
194 (mark_set_1): Likewise.
195 (insn_dead_p): Canonicalize memory address for dead store
196 comparison. Allow wider mode stores to kill narrower mode stores.
197 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
198 (invalidate_mems_from_set): Don't handle MEMs.
200 2001-07-28 Kazu Hirata <kazu@hxi.com>
202 * config/h8300/h8300.h: Fix formatting.
204 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
206 * basic-block.h (EDGE_FREQUENCY): New macro.
207 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
209 * flow.c (find_sub_basic_blocks): Likewise.
210 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
211 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
213 * predict.c (DEF_PREDICTOR): New argument FLAGS.
214 (HITRATE): New macro.
215 (PRED_FLAG_FIRST_MATCH): New constant.
216 (predictor_info): New field flgags.
217 (combine_predictions_for_insn): Use DS theory to combine
218 probabilities; set the edge probabilities when finished.
219 (estimate_probability): Avoid duplicated matches
220 of LOOP_BRANCH heuristics for nested loops; update comment.
221 * predict.def: Add flags for each prediction, set probabilities
222 according to B&L paper.
223 * predict.h (DEF_PREDICTOR): New argument FLAGS.
225 * profile.c (compute_branch_probabilities): Cleanup way the edge
226 probabilities are computed and REG_BR_PROB notes are dropped; if
227 values does not match, emit error.
228 (init_branch_prob): Do error instead of warning when profile driven
229 feedback is missing or corrupt.
231 2001-07-27 DJ Delorie <dj@redhat.com>
233 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
234 against a constant, try to adjust the compare to have the desired
235 constant in it so that min/max optimizations happen more often.
237 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
239 * flow.c (last_loop_beg_note): New function.
240 (redirect_edge_and_branch): Use it.
241 (split_edge): Likewise.
243 * alias.c (loop_p): Avoid uninitialized memory access.
245 * flow.c (try_forward_edges): Avoid accessing freed memory.
247 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
250 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
252 * doc/install.texi (Configuration): Properly link the host
253 specific instructions also when generating HTML.
255 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
257 * flow.c (redirect_edge_and_branch_force): Test
258 target->global_live_at_start.
260 2001-07-26 Richard Henderson <rth@redhat.com>
262 * simplify-rtx.c (avoid_constant_pool_reference): Export.
263 * rtl.h (avoid_constant_pool_reference): Declare it.
264 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
265 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
267 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
269 * rtl.h (cleanup_barriers): Declare.
270 * jump.c (cleanup_barriers): New function.
271 * toplev.c (rest_of_compilation): Call cleanup_barriers
272 before loop optimizer and after bb_reorder.
274 * flow.c (back_edge_of_syntactic_loop_p): New.
275 (split_edge): Use it.
277 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
279 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
281 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
283 * cse.c (cse_process_notes): Replace any registers if the address
286 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
288 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
289 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
290 (propagate_block): Update prototype.
291 * flow.c (update_life_info): Simplify the CFG and
292 recalculate the global regs which are alive when
293 removing dead code during a global update.
294 (propagate_block): Return non-zero if an INSN is
297 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
299 * Makefile.in (LIBICONV): Define.
301 2001-07-26 Catherine Moore <clm@redhat.com>
303 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
304 of conditional to avoid tree checking errors.
306 2001-07-26 Kazu Hirata <kazu@hxi.com>
308 * regmove.c (regmove_optimize): Don't replace a reg with
309 another reg of a different mode.
311 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
313 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
314 limit length of dependancy flush list.
315 * params.h (MAX_PENDING_LIST_LENGTH): Define.
316 * sched-int.h (struct deps): Add pending_flush_length field.
317 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
319 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
320 (sched_analyze): After a jump, if the pending memory flush list is too
321 large, flush the pending lists.
322 (init_deps): Initialize pending_flush_length to 0.
323 * doc/invoke.texi (max_pending_list_length): Document parameter.
325 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
327 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
328 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
329 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
331 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
333 * cpphash.h (struct_lexer_state): Delete was_skipping.
334 Move skipping here from struct cpp_reader.
335 * cpplex.c (parse_identifier): Update.
336 (_cpp_lex_token): Don't skip tokens in a directive.
337 * cpplib.c (struct if_stack): Update.
338 (start_directive, end_directive): Don't change skipping state.
339 (_cpp_handle_directive): Update.
340 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
341 (do_else, do_endif): Update; only check for excess tokens if not
342 in a skipped conditional block.
343 (push_conditional): Update for new struct if_stack.
345 2001-07-26 Graham Stott <grahams@redhat.com>
347 * function.c (locate_and_pad_parm): Also pad initial offset
348 so that the total argument size also includes the padding.
350 2001-07-26 Graham Stott <grahams@redhat.com>
352 * gensupport.c (alter_output_for_insn): Correct enable checking failure
353 change XSTR to XTMPL.
355 (process_one_cond_exec): Likewise
357 2001-07-25 Richard Henderson <rth@redhat.com>
359 * varasm.c (assemble_variable): Create DECL_RTL before setting
362 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
364 * predict.c (estimate_probability): Avoid duplicated predictions.
366 * loop.c (find_and_verify_loops): Grok multiple barriers.
368 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
370 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
372 * dbxout.c: Consistently use putc instead of fputc.
373 (print_wide_int): New function; call instead of direct fprintf.
374 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
375 (dbxout_type_fields, dbxout_type_method_1): Likewise.
376 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
377 (print_int_cst_octal): Likewise.
378 (print_octal): Show we wrote characters.
379 (dbxout_type): Set have_used_extensions in more places.
381 2001-07-25 Catherine Moore <clm@redhat.com>
383 * config/v850/v850.c (v850_va_arg): Use addr
384 instead of valist to build incr.
386 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
388 * flow.c (delete_dead_jumptables): New function.
389 (life_analyzis): Call it.
390 * bb-reorder.c (skip_insns_after_block): Handle contradictory
393 2001-07-25 Richard Henderson <rth@redhat.com>
395 * except.c (reachable_handlers): Handle a region being removed
396 out from under a RESX.
398 2001-07-25 Richard Henderson <rth@redhat.com>
400 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
401 swap GE/GT if it is an fp comparison.
403 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
405 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
408 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
410 * ssa.c (rename_insn_1): Do not wrap an assignment to a
411 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
414 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
416 (visit_expression): When attempting to simplify an expression,
417 retrieve any modes for arguments before they are simplified
420 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
421 Janis Johnson <janis@us.ibm.com>
423 * stmt.c (expand_goto): A nonlocal goto can be a call too.
424 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
425 pointer parameters to match documented usage of nonlocal_goto.
426 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
427 parameters to their correct order.
428 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
429 parameters to their correct order.
431 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
433 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
435 2001-07-25 Jan Hubicka <jh@suse.cz>
436 Richard Henderson <rth@redhat.com>
438 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
440 (make_edges): New argument update_p; populate the edge cache if set.
441 (find_basic_blocks): Update make_edges invocation.
443 2001-07-24 Joel Sherrill <joel@OARcorp.com>
445 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
447 2001-07-24 Joel Sherrill <joel@OARcorp.com>
449 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
450 -Acpu and -Amachine.h.
451 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
452 Corrected header to say ELF not a.out.
453 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
454 when given -msoft-float.
456 2001-07-24 Joel Sherrill <joel@OARcorp.com>
458 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
459 extra multilib parts like arm-elf.
460 (i960-*-coff*, i960-*-rtems): Should not use collect2.
461 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
462 crtfini.o as extra multilib parts.
464 2001-07-24 Joel Sherrill <joel@OARcorp.com>
466 * configure.in: Add rtems as a supported thread model.
467 * gthr-rtems.h: Add missing entry point __gthread_active_p.
468 * configure: Rebuilt.
470 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
472 * stor-layout.c (get_mode_alignment): make it work when
473 BITS_PER_UNIT is not a power of two.
474 * builtins.c (get_pointer_alignment): Likewise.
476 2001-07-24 Richard Henderson <rth@redhat.com>
478 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
479 the retrieved constant into the expected mode.
481 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
483 * flow.c (try_simplify_condjump): Avoid duplicated edges.
484 (verify_flow_info): Check for duplicated edges; clarify
487 * flow.c (block_label): Update basic_block_for_insn.
488 (commit_edge_insertions): Call compute_bb_for_insn.
490 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
493 * flow.c (redirect_edge_and_branch,
494 try_optimize_cfg): Use redirect_edge_succ_nodup
495 (redirect_edge_succ_nodup): New.
496 * basic_block.h (redirect_edge_succ_nodup): Declare.
498 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
501 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
503 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
504 (try_crossjump_to_edge): Update commetns.
505 (try_crossjump_bb): Likewise.
507 2001-07-24 Richard Henderson <rth@redhat.com>
509 * combine.c (distribute_notes): Move set of need_refresh
510 for noop_move_p down to catch all cases.
512 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
514 * recog.c (split_all_insns_noflow): New.
515 * rtl.h (split_all_insns_noflow): Declare.
516 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
517 * m68hc11.c (m68hc11_reorg): Likewise.
518 * sh.c (machine_dependent_reorg): Likewise.
519 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
522 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
524 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
525 (ashlsi3_n splitter): Likewise.
526 (lshrsi3_n splitter): Likewise.
528 (GOTaddr2picreg): Make const SImode.
529 (sym_label2reg): Likewise.
530 (symGOT2reg): Likewise.
531 (symGOTOFF2reg) Likewise.
533 (casesi_worker_0): Make unspec SImode.
535 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
537 * config/sh/sh.c (barrier_align): Check that an operand really is
538 an insn before extracting its INSN_CODE.
540 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
542 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
545 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
546 for SImode to prevent overflow.
548 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
550 * config/mips/irix6-libc-compat.c: New file.
551 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
552 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
555 2001-07-24 lars brinkhoff <lars@nocrew.org>
557 * rtl.texi (REG_POINTER): Document.
558 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
559 QFmode, HFmode, TQFmode, QCmode, and HCmode.
561 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
563 * flow.c (delete_noop_moves): Do not confuse libcall regions.
565 2001-07-23 Richard Henderson <rth@redhat.com>
567 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
569 2001-07-23 Kazu Hirata <kazu@hxi.com>
571 * config/h8300/h8300-protos.h: Add a prototype for
572 general_operand_dst_push.
573 * config/h8300/h8300.c (general_operand_dst_push): New.
574 * config/h8300/h8300.h (OK_FOR_T): New.
575 (EXTRA_CONSTRAINT): Use it.
576 * config/h8300/h8300.md (movqi_push): Remove and integrate into
577 the existing movqi pattern.
578 (movhi_push): Likewise.
580 * reload.c: Fix comment typos.
582 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
584 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
586 2001-07-23 H.J. Lu (hjl@gnu.org)
588 * doc/extend.texi: Update __builtin_return_address and
589 __builtin_frame_address.
591 2001-07-23 Richard Henderson <rth@redhat.com>
593 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
595 * config/i386/i386.md: New setcc+movzbl peephole2.
597 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
599 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
600 * objc/objc-act.c: Include debug.h.
601 (synth_module_prologue): Save and restore debug hooks too.
603 2001-07-23 lars brinkhoff <lars@nocrew.org>
605 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
606 and C4X_FLOAT_FORMAT.
607 (BOOL_TYPE_SIZE): Document.
609 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
611 * unroll.c (loop_iterations): Fix miscalculation of initial
614 2001-07-13 Andrew Haley <aph@redhat.com>
616 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
617 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
618 * config/sh/sh.c (sh_can_redirect_branch): New function.
619 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
620 * reorg.c (steal_delay_list_from_target): Use
621 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
623 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
625 * flow.c (try_simplify_condjump): Unlink insn chain on
626 fallthru edge; use can_fallthru.
628 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
630 * basic-block.h (find_sub_basic_block): Declare.
631 * flow.c (make_edges): New arguments MIN and MAX;
632 (find_sub_basic_blocks): Revamp to use make_edges
633 and purge_dead_edges.
634 (find_basic_blocks): Update call of find_sub_basic_block.
636 * recog.c (split_all_insns): Always expect CFG to be consistent;
637 call find_sub_basic_blocks in case something has changed.
638 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
641 * basic-block.h (delete_noop_moves): Declare.
642 * combine.c (combine_instructions): Call it.
643 (recog_for_combine): Tolerate noop moves
644 (distribute_notes): Force refresh when register dies at noop move.
645 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
647 (life_analysis): Update delete_noop_moves call.
648 (set_noop_p): Move too ...
649 * rtlanal.c (noop_move_p): ... here.
650 * rtl.h (noop_move_p): Declare.
652 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
653 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
655 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
656 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
658 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
660 * reload.c (push_reload): Fix typo in comment.
661 (find_reloads_address): Ditto.
662 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
664 2001-07-22 Richard Henderson <rth@redhat.com>
666 * flow.c: Grammar check and clarify a lot of comments.
667 (try_simplify_condjump): Rename variables to be clearer.
668 (try_forward_edges): Skip complex and fallthru edges.
669 Rearrange tests to avoid duplicate checks.
670 (flow_find_cross_jump): Likewise.
671 (outgoing_edges_match): Allow match if neither branch has
672 probability data. Loosen probability match to 5%.
673 (try_crossjump_to_edge): Hoist repeated indirection into
675 (try_crossjump_bb): Don't check complex edges. Eliminate
676 redundant crossjump tests.
677 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
678 checks before more expensive checks.
680 2001-07-22 Richard Henderson <rth@redhat.com>
682 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
683 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
686 2001-07-22 Richard Henderson <rth@redhat.com>
688 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
689 (const_sint32_operand): Likewise.
690 * m68k.md (anon mulsi pattern): Use const_int_operand not
691 const_sint32_operand.
692 (umulsi3_highpart): Zero extend a constant input.
693 (smulsi3_highpart): Don't bother checking SImode constant.
694 (const_umulsi3_highpart): Give op3 DImode.
695 (const_smulsi3_highpart): Likewise.
697 2001-07-22 Richard Henderson <rth@redhat.com>
699 * flow.c (split_block): Make sure bb_note is included in the
700 new block when splitting before a label.
702 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
704 * basic-block.h (redirect_edge_and_branch_force,
705 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
706 * flow.c (redirect_edge_and_branch_force,
707 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
708 (redirect_edge_and_branch_force): Fix copying of lifeness information.
709 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
710 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
711 instead of label; update CFG after transformation.
712 (find_if_case_1): Update call, use redirect_edge_and_branch_force
713 for finishing the transformation; handle even case where ELSE
714 does not follow THEN.
715 (find_if_case_2): Update call of dead_or_predictable; simplify
718 * emit-rtl.c (split_branch_probability): New global variable.
719 (try_split): Take care to set split_branch_probability and
720 create REG_BR_PROB note for new jump insns.
721 * md.texi (define_split): Document new feature.
723 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
725 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
727 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
728 (asm_out_file): Remove redundant declaration.
729 (assemble_asm): Remove old #if 0 block.
730 (assemble_variable): Remove end of function; debug output is
731 now handled with global_decl. Remove old #if 0 block. Update.
732 Remove saved_in_section and associated no-op code.
733 * Makefile.in (varasm.o): Correct dependencies.
735 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
737 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
738 the definition in defaults.h.
740 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
742 * jump.c: Update comments.
743 (delete_barrier_successors, delete_unreferenced_labels,
744 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
745 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
746 jump_optimize, jump_optimize_minimal): Kill.
747 (rebuild_jump_labels): Move code from jump_optimize_1.
748 (purge_line_number_notes): Likewise.
749 (copy_loop_headers): Likewise.
750 * reg-stack.c: Update comment.
752 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
753 JUMP_AFTER_REGSCAN): Kill.
754 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
755 purge_line_number_notes and copy_loop_headers.
757 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
758 Richard Henderson <rth@redhat.com>
760 * dbxout.c (dbxout_global_decl): New.
761 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
762 * sdbout.c (sdbout_finish): New.
763 (sdbout_debug_hooks): Use it, add comments.
764 (sdbout_global_decl): Defer initialised public vars to
766 * varasm.c (assemble_variable): Don't output debug information
767 for file-scope variables.
769 2001-07-22 Richard Henderson <rth@redhat.com>
771 * config/alpha/alpha.c (get_trap_mode_suffix): New.
772 (get_round_mode_suffix): New.
773 (print_operand): Use them for [/]. Remove support for [&'`()+].
774 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
775 * config/alpha/alpha.md (attr round_suffix): New.
776 (attr trap_suffix): New.
777 (all insns): Set them appropriately. Use %/ instead of the
780 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
782 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
784 2001-07-22 Richard Henderson <rth@redhat.com>
786 * regrename.c (regrename_optimize): Compute nregs for each
787 potential target register.
789 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
790 Richard Henderson <rth@redhat.com>
792 * dbxout.c (dbxout_global_decl): New.
793 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
794 * sdbout.c (sdbout_finish): New.
795 (sdbout_debug_hooks): Use it, add comments.
796 (sdbout_global_decl): Defer initialised public vars to
798 * varasm.c (assemble_variable): Don't output debug information
799 for file-scope variables.
801 2001-07-21 H.J. Lu (hjl@gnu.org)
803 * config/mips/mips.c (mips_cpu): Moved into ...
804 (override_options): Here.
806 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
810 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
812 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
813 ("iorqi3"): Likewise.
814 ("xorqi3"): Likewise.
815 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
816 ("*subhi3_sp): Likewise.
817 ("*subhi3"): Likewise.
818 ("extendhisi2"): Accept D, X and Y as source operand to avoid
821 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
823 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
824 * config/freebsd.h: Likewise.
825 * config/linux.h: Likewise.
826 * config/openbsd.h: Likewise.
827 * config/alpha/linux-elf.h: Likewise.
828 * config/arm/linux-elf.h: Likewise.
829 * config/d30v/d30v.h: Likewise.
830 * config/fr30/fr30.h: Likewise.
831 * config/ia64/aix.h: Likewise.
832 * config/ia64/ia64.h: Likewise.
833 * config/mips/linux.h: Likewise.
834 * config/pj/pj.h: Likewise.
835 * config/rs6000/linux.h: Likewise.
836 * config/sparc/linux.h: Likewise.
837 * config/sparc/linux64.h: Likewise.
839 2001-07-20 Bruce Korb <bkorb@gnu.org>
841 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
842 because getc() and char* may disagree on signedness.
844 2001-07-20 Richard Henderson <rth@redhat.com>
846 * doc/rtl.texi (REG_DEAD): Update for current semantics.
848 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
849 insns to delete in the presence of cc0 in a jump insn.
851 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
852 Jan Hubicka <jh@suse.cz>
854 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
855 of doing the change by hand.
857 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
859 * rtlanal.c (set_noop_p): Return true for noop jumps.
861 * expr.c (emit_single_push_insn): Add call to push expander.
862 * expr.h (optab_index): Add OTI_push
863 (push_optab): New constant.
864 * genopinit.c (optabs): Add push_optab.
865 * optabs.c (init_optab): Init push optab.
866 * md.texi (push??1): Document
868 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
870 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
871 expand to emit the pattern; put a REG_INC note for push/pop
873 ("movdf", "movdf_internal"): Likewise.
874 ("movsi", "movsi_internal"): Likewise.
875 ("movsf", "movsf_internal"): Likewise.
876 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
878 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
880 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
883 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
885 * params.def: Change default max inline insns to 100.
887 2001-07-20 Diego Novillo <dnovillo@redhat.com>
889 * combine.c (combine_simplify_rtx): Generate a new shift operation
890 when simplifying the first operand of a (neg (ashift)) expression.
892 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
894 * regclass.c (N_REG_INTS): Use only 32 bits per element.
896 2001-07-20 Kelley Cook <kelley.cook@home.com>
898 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
899 information. Move rest into ...
900 (*-*-solaris): ... here. Eliminate redundant information and
901 reword necessary packages section. Delete 4.x assembler bug info.
902 (sparc-sun-*): Merge into ...
903 (sparc-sun-sunos*): here.
905 2001-07-20 Catherine Moore <clm@redhat.com>
907 * config/v850/v850.md (casesi): Generate LABEL_REF
910 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
912 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
913 * i386.c (ix86_zero_extend_to_Pmode): Make global.
914 * i386.md (strclrsi expander): Use it.
916 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
918 * integrate.c (copy_insn_list): handle
919 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
920 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
921 identically as to CODE_LABEL.
923 * fold-const (fold): Convert A/B/C to A/(B*C) and
926 * except.c (connect_post_landing_pads): Delete the RESX insns.
928 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
930 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
932 * config/mips/mips.md (nmadd/nmsub): Use macro.
934 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
936 * cppinit.c (remove_dup_dir): Make static.
937 (remove_dup_dirs): Make static. Only warn about preempting a
938 system directory with a non-system directory.
940 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
942 * ifcvt.c (noce_try_store_flag_constants): Correct order
943 of parameters to trunc_int_for_mode.
945 2001-07-19 Mark Mitchell <mark@codesourcery.com>
947 * reorg.c (fill_simple_delay_slots): If an instruction might throw
948 an exception that will be caught within this function, do not fill
949 its delay slot with any subsequent instruction.
951 2001-07-19 Steve Ellcey <sje@cup.hp.com>
953 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
954 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
955 pointer extension instruction.
956 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
957 * simplify-rtx.c (simplify_unary_operation) Likewise.
958 * explow.c (convert_memory_address) Check value of
959 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
961 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
962 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
963 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
964 Add Multilib Support.
965 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
966 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
967 Add Multilib Support.
968 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
970 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
971 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
972 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
974 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
976 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
977 old and new operands in `<', `3' and `b'.
979 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
981 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
982 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
983 (toplev.o): Don't depend on xcoffout.h.
984 * c-decl.c: Include debug.h
985 (duplicate_decls): Use debug hook.
986 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
987 (dbx_debug_hooks, xcoff_debug_hooks): Update.
988 (dbxout_types): Remove.
989 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
990 * debug.c (do_nothing_debug_hooks): Update.
991 (debug_true_tree, debug_nothing_rtx): New.
992 * debug.h (struct rtx_def): New.
993 (struct gcc_debug_hooks): New hooks ignore_block,
994 outlining_inline_function and label.
995 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
996 dwarf2out_frame_finish): New.
997 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
998 Make static, update prototype.
999 (dwarf2_debug_hooks): Update.
1000 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
1001 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
1002 * dwarfout.c (dwarf_debug_hooks): Update.
1003 * emit-rtl.c: Include debug.h.
1004 (remove_unnecessary_notes): Use debug hook.
1005 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
1006 (final_scan_insn): Use debug hook.
1007 * integrate.c (output_inline_function): Use debug hook.
1008 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
1009 (sdb_debug_hooks): Update.
1010 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
1011 * toplev.c: Don't include xcoffout.h.
1012 (note_outlining_of_inline_function, debug_ignore_block): Remove.
1013 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
1015 * tree.h (dwarf2out_do_frame): Remove.
1017 2001-07-19 Catherine Moore <clm@cygnus.com>
1019 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
1021 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
1023 * reload1.c (eliminate_regs_in_insn): When updating a set
1024 to the frame pointer to the hardware frame pointer, perform
1025 the update always not just when REPLACE is set.
1027 * reload1.c (choose_reload_regs): Don't inherit a reload
1028 that crosses multiple registers if registers past the first
1029 don't fit in the desired class.
1031 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
1032 when negating constants.
1034 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
1036 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
1037 * doc/tree.texi: Ditto.
1039 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
1040 Jakub Jelinek <jakub@redhat.com>
1042 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
1043 (extract_cie_info): Handle "eh" augmentation properly,
1045 (struct frame_state, __frame_state_for): New.
1047 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1049 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
1050 HANDLE_SYSV_PRAGMA): Define.
1051 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
1053 (copy_object): Caller changed.
1055 2001-07-19 Andreas Schwab <schwab@suse.de>
1057 * configure.in (assembler dwarf2 debug_line support): Define nop
1059 * configure: Regenerated.
1061 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
1063 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
1065 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
1066 to conditionally compiled block.
1067 (dbx_debug_hooks, xcoff_debug_hooks): Update.
1068 * dbxout.h (dbxout_function): Remove.
1069 * debug.c (do_nothing_debug_hooks): Update.
1070 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
1071 global_decl, deferred_inline_function.
1072 * dwarf2out.c (dwarf2_debug_hooks): Update.
1073 (dwarf2out_global_decl): New.
1074 * dwarfout.c: Don't include dwarfout.h.
1075 (dwarfout_global_decl, dwarfout_function_decl,
1076 dwarfout_deferred_inline_function): New.
1077 (dwarf_debug_hooks): Update.
1078 * dwarfout.h: Remove.
1079 * final.c: Don't include dwarfout.h.
1080 * sdbout.c (sdbout_global_decl): New.
1081 (sdbout_debug_hooks): Update.
1082 * toplev.c: Don't include dwarfout.h.
1083 (check_global_declarations, rest_of_compilation): Use new debug hooks.
1084 (note_deferral_of_defined_inline_function): Remove.
1085 * toplev.h (note_deferral_of_defined_inline_function): Remove.
1086 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
1087 * ch/lex.c: Don't include dwarfout.h.
1088 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
1089 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
1090 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
1091 * cp/optimize.c: Include debug.h.
1092 (maybe_clone_body): Use debug hook.
1093 * cp/semantics.c: Include debug.h.
1094 (expand_body): Use debug hook.
1095 * po/POTFILES.in: Remove dwarfout.h.
1097 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
1099 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
1100 * c-parse.in (yyerror, _yylex): Similarly.
1101 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
1102 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
1104 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
1105 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
1107 2001-07-18 Jeff Sturm <jsturm@one-point.com>
1109 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
1110 in-class declaration at -g1. Fixes c++/2814.
1112 2001-07-18 Richard Henderson <rth@redhat.com>
1114 * doc/md.texi (reload_in/out): Document restrictions in predicates
1115 and constraints for these patterns. Document empty string matching
1118 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1120 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
1122 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1124 * cse.c: Undo my previous patch.
1126 2001-07-18 Tom Tromey <tromey@redhat.com>
1129 * configure: Rebuilt.
1130 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
1132 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
1134 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
1135 Jan Hubicka <jh@suse.cz>
1137 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
1138 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
1139 * jump.c (mark_jump_label): Do not forward branches.
1141 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
1143 * cse.c (delete_trivially_dead_insns): Delete the libcall block
1144 when return value is unused.
1146 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1148 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
1150 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
1152 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
1153 on error. We can't blindly return the result of
1154 pthread_mutex_trylock because it returns a positive number on
1155 error, while we must return -1 on error.
1156 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
1158 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
1160 2001-07-18 Andreas Jaeger <aj@suse.de>
1162 * integrate.c (output_inline_function): Correct type of debug_hooks.
1164 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
1166 * combine.c (combine_simplify_rtx): DIV can be treated
1167 associatively for floats if unsafe math optimisations are enabled.
1169 2001-07-17 Richard Henderson <rth@redhat.com>
1171 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
1173 2001-07-17 Richard Henderson <rth@redhat.com>
1175 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
1176 don't force the function address into a register.
1177 (expand_call, emit_library_call_value_1): Update callers.
1178 * builtins.c (expand_builtin_apply): Likewise.
1179 * expr.h (prepare_call_address): Update decl.
1181 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
1183 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
1185 * config/i386/chorus.h: Move up.
1186 * config/sparc/chorus.h: Likewise.
1187 * config/rs6000/chorus.h: Likewise.
1188 * config/chorus.h: Moved here.
1190 2001-07-17 Andreas Schwab <schwab@suse.de>
1192 * configure.in (assembler eh_frame optimization): Handle big
1194 * configure: Regenerated.
1196 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
1198 * expr.c (epxand_expr): Convert divisions into multiplications by
1199 reciprocals if -ffast-math.
1201 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
1203 * dbxout.c (dbxout_really_begin_function): Rename to
1204 dbxout_begin_function.
1205 (dbx_debug_hooks, xcoff_debug_hooks): Update.
1206 (dbxout_begin_function): Remove.
1207 (dbxout_function): Update.
1208 (dbxout_source_line): Update prototype.
1209 * dbxout.h (dbxout_begin_function): Remove.
1210 * debug.c (do_nothing_debug_hooks): Update.
1211 (debug_nothing_tree): Update.
1212 (debug_nothing_charstar_rtx): Remove.
1213 * debug.h (union tree_node): Declare.
1214 (struct rtx_def): Remove.
1215 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
1216 begin_function. Change source_line prototype.
1217 (debug_nothing_tree): New.
1218 (debug_nothing_charstar_rtx): Delete.
1219 (dwarf2out_begin_prologue): Moved from ...
1221 * dwarf2out.c (dwarf2_debug_hooks): Update.
1222 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
1223 debug info, call dwarf2out_source_line.
1224 (dwarf2out_souce_line): Update prototype.
1225 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
1226 Change prototype, make static.
1227 (dwarfout_source_line): Update prototype.
1228 (dwarf_debug_hooks): Update.
1229 * dwarfout.h (dwarfout_begin_function): Remove.
1230 * final.c (final_start_function, final_scan_insn): Use appropriate
1231 debug hooks, update to use notice_source_line.
1232 (output_source_line): Rename notice_source_line. Don't call the
1233 source_line debug hook.
1234 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
1235 make static, update prototype.
1236 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
1238 (sdbout_end_prologue): New.
1239 (sdbout_source_line): Update prototype.
1240 (sdbout_debug_hooks): Update.
1241 (sdbout_symbol): Remove unused var.
1242 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
1244 * varasm.c: Include debug.h.
1245 (assemble_start_function): Use begin_function debug_hook.
1246 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
1247 update with prototype.
1248 (xcoffout_source_line): Update prototype.
1249 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
1251 (xcoffout_source_line): Update prototype.
1253 2001-07-17 Richard Henderson <rth@redhat.com>
1255 * c-typeck.c (build_binary_op): Do not shorten unsigned
1256 right shift after sign extension.
1258 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
1260 * combine.c (combine_simplify_rtx): Attempt to simplify
1261 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
1263 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
1264 (simplify_binary_operation, simplify_unary_operation,
1265 simplify_relational_operation): Use it.
1267 * combine.c (combine_simplify_rtx): Don't do associative law
1268 on divisions; allow associative law on floats.
1270 2001-07-17 H.J. Lu <hjl@gnu.org>
1271 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1273 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
1274 ASM_OUTPUT_WEAK_ALIAS are defined.
1275 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
1276 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
1278 * config/mips/iris5.h: ... here.
1279 (HANDLE_SYSV_PRAGMA): Defined as 1.
1280 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
1281 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
1284 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
1286 * c-parse.in (all_prefix_attributes): New variable.
1287 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
1288 (maybe_resetattrs): New production.
1289 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
1290 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
1291 notype_initdcl, nested_function, notype_nested_function,
1292 component_decl, components, components_notype,
1293 component_declarator, component_notype_declarator,
1294 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
1295 ivars, mydecl, myparm): Update. Avoid prefix attributes just
1296 after a comma being applied to more than one declarator.
1297 * doc/extend.texi (Attribute Syntax): Update. Remove
1298 documentation of bugs that are no longer present.
1300 2001-07-13 Eric Christopher <echristo@redhat.com>
1302 * config/mips/mips.h: Change TUNE_MIPS* options to use
1304 (EXTRA_SPECS): Add cc1_cpu_spec.
1305 * config/mips/mips.md (muldf3): Fix typo.
1307 2001-07-16 Richard Henderson <rth@redhat.com>
1309 * config/m68k/m68k.c: Include expr.h and reload.h.
1310 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
1311 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
1313 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
1314 Richard Henderson <rth@redhat.com>
1316 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
1317 (insn_live_p): Fix fall off end of function.
1318 (dead_libcall_p): Remove COUNTS argument; update callers.
1319 (delete_trivially_dead_insns): Remove unused variables.
1321 2001-07-17 Andreas Jaeger <aj@suse.de>
1323 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
1326 * lcm.c (optimize_mode_switching): Avoid warning for unused
1327 variable if !NORMAL_MODE.
1329 * flow.c (try_crossjump_to_edge): Remove unused variable.
1331 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
1333 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
1334 atexit declaration in stdlib.h.
1336 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
1338 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
1340 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1342 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
1343 * except.c (finish_eh_generation): Update call of cleanup_cfg;
1344 do rebuild_jump_labels instead of jump_optimize
1345 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
1346 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
1347 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
1349 * flow.c: Include timevar.h
1350 (find_basic_block): Push/pop timevar;
1351 (cleanup_cfg): Likewise.
1352 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
1353 * Makefile: Add dependencies on timevar.h
1355 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
1356 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
1358 * rtl.h (delete_trivially_dead_insns): Add new parameter.
1359 * toplev.c (rest_of_compilation): Update calls.
1360 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
1361 (delete_trivially_dead_insns): ... here; accept new argument
1362 preserve_basic_blocks; preserve basic blocks if set.
1364 * reg-stack.c (stack_regs_mentioned): Return 0 if
1365 stack_regs_mentioned_data is not initialized.
1366 (reg_to_stack): Make stack_regs_mentioned survive after the
1367 reg-stack is completted; do not call cleanup_cfg.
1368 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
1369 make cleanup_cfg after bb-reorder to output to debug file.
1371 2001-07-16 Richard Henderson <rth@redhat.com>
1373 * regclass.c (init_reg_sets): Use only 32 bits per initializer
1374 from int_reg_class_contents.
1376 2001-07-16 Richard Henderson <rth@redhat.com>
1378 * hard-reg-set.h (regs_invalidated_by_call): Declare.
1379 * regclass.c (regs_invalidated_by_call): Move from cse.c.
1380 (init_reg_sets_1): Move initialization from cse_main.
1381 * cse.c (regs_invalidated_by_call): Move to regclass.c.
1382 (cse_main): Move its initialization also.
1383 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
1384 * flow.c (propagate_one_insn): Likewise.
1385 * gcse.c (compute_hash_table): Likewise.
1386 (compute_kill_rd, compute_store_table): Likewise.
1387 * sched-deps.c (sched_analyze_1): Likewise.
1389 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
1391 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
1394 2001-07-16 Steve Ellcey <sje@cup.hp.com>
1396 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
1397 in if statement so we don't access undefined memory.
1399 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
1401 * gcse.c: Update comment at top.
1402 Update comment on mem handling.
1403 mem_last_set, mem_first_set, mem_set_in_block: gone.
1404 Declaration of reg_set_info: gone.
1405 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
1406 pointless with load_killed_in_block_p (they are *more*
1407 conservative then it, not less, and less accurate).
1408 (oprs_not_set_p): Ditto.
1409 (alloc_gcse_mem): Don't allocate mem_set_in_block
1410 (free_gcse_mem): Don't free it, either.
1411 (record_last_mem_set_info): Update comment in front, remove
1412 mem_*set_* stuff. Note the reason we don't handle stores directly
1414 (compute_hash_table): Update comments to reflect reality. Remove
1415 mem_*set_* references.
1416 (reset_opr_set_tables): Remove mem_*set_* references.
1418 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
1419 (mark_clobber): Ditto (on both parts, we double set here too).
1420 (expr_killed_p): Remove mem_set_in_block test.
1421 (compute_transp): Remove mem_set_in_block test.
1423 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
1424 of edge, and removal of phi alternative to dump file.
1425 (ssa_ccp_substitute_constants): Add note about register now being
1426 constant, and which uses were replaced in what insns to dump file.
1428 2001-07-16 Andreas Jaeger <aj@suse.de>
1430 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
1431 variables of type HOST_WIDEST_INT.
1433 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
1434 (__bb_exit_func): Correct type of count_max to avoid overflow.
1435 (num_digits): Handle long long argument.
1437 * combine.c (gen_lowpart_for_combine): Remove unused variable.
1439 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1441 * output.h (sdb_begin_function_line): Restore as an extern
1443 * sdbout.c (sdb_begin_function_line): Make extern.
1445 2001-07-15 Richard Henderson <rth@redhat.com>
1447 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
1448 * genrecog.c (maybe_both_true_mode): New.
1449 (maybe_both_true_2): Use it.
1450 (write_switch): Don't put Pmode in a switch.
1451 * rtl.c (mode arrays): Don't explicitly size them.
1453 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1455 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
1456 handling; move unconditional splitting before mode switching.
1458 * i386.md (type): Add fistp type.
1459 (i387, length_attr, scheduling definitions): Handle this type.
1460 (fix_trunc?f?i2): Revamp to use mode switching.
1461 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
1462 * i386.h (fp_cw_mode): New enum
1463 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
1464 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
1466 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1468 * Makefile.in (integrate.o): Add debug.h.
1469 * integrate.c (debug.h): Add.
1470 (output_inline_function): Save, reset, and restore debug_hooks.
1472 2001-07-15 Richard Henderson <rth@redhat.com>
1474 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
1475 instead of COMPARE for the EQUIV expression.
1477 2001-07-15 Richard Henderson <rth@redhat.com>
1479 * flow.c (redirect_edge_and_branch_force): Initialize
1480 global_live_at_start and global_live_at_end.
1481 (allocate_bb_life_data): Export.
1482 * basic-block.h (allocate_bb_life_data): Declare.
1483 * toplev.c (rest_of_compilation): Call it.
1485 2001-07-15 Richard Henderson <rth@redhat.com>
1487 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
1488 (alpha_tablejump_best_label): New.
1489 * config/alpha/alpha-protos.h: Declare them.
1490 * config/alpha/alpha.md: Use braced strings for code blocks.
1491 (tablejump_osf): Break out add with r29.
1492 (tablejump_osf_internal): Remove.
1493 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
1494 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
1496 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
1498 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
1501 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
1503 * i386-protos.h (ix86_split_fp_branch): Update prototype.
1504 (ix86_fp_jump_nontrivial_p): New.
1505 * i386.md (fp_jcc_?): Update call of split_fp_branch;
1506 use ix86_fp_jump_nontrivial_p.
1507 * i386.c (ix86_fp_jump_nontrivial_p): New.
1508 (ix86_split_fp_branch): Accept code instead of rtx.
1509 (ix86_expand_compare): Expand comparison early in case
1510 doing so is resonably cheap.
1512 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
1514 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
1516 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
1517 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
1519 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
1521 * dbxout.c (dbxout_source_line): Make static, update prototype.
1522 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
1523 (dbxout_init, dbxout_finish, dbxout_source_line,
1524 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
1525 * dbxout.h (dbxout_source_line): Delete.
1526 * debug.c (debug_nothing_file, debug_nothing_file_int,
1527 debug_nothing_file_charstar_rtx): New.
1528 (do_nothing_debug_hooks): Update.
1529 (debug_nothing_void, debug_nothing_charstar_rtx,
1530 dwarf2out_end_epilogue): New.
1531 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
1532 * debug.h (struct rtx_def): Declare.
1533 (gcc_debug_hooks): New hooks source_line, end_epilogue
1535 (debug_nothing_void, debug_nothing_charstar_rtx,
1536 dwarf2out_end_epilogue): New.
1537 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
1538 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
1539 (dwarf2_debug_hooks): Update.
1540 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
1541 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
1542 * dwarf2out.h (dwarf2out_source_line): Remove.
1543 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
1544 Make static, update prototype.
1545 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
1546 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
1547 (dwarf_debug_hooks): Update.
1548 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
1549 dwarfout_end_function): Remove.
1550 * final.c (profile_function): Use debug hooks for ending functions
1552 (output_source_line, final_end_function): Update prototype,
1554 (final_start_function, final_scan_insn): Update.
1555 * output.h (sdb_begin_function_line): Remove.
1556 (final_end_function): Update prototype.
1557 * sdbout.c (sdb_begin_function_line): Make static.
1558 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
1559 (sdbout_source_line): New.
1560 (sdbout_end_epilogue, sdbout_end_function): Make static, update
1562 (sdb_debug_hooks): Update.
1563 (sdbout_init, sdbout_source_line,
1564 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
1565 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
1566 * toplev.c (compile_file, rest_of_compilation): Update.
1567 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
1568 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
1569 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
1570 Update for prototype changes.
1571 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
1572 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
1574 2001-07-15 Richard Henderson <rth@redhat.com>
1576 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
1577 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
1578 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
1579 * config/alpha/alpha.c: Likewise.
1580 * config/alpha/alpha.md: Likewise.
1581 * config/alpha/alpha32.h: Likewise.
1582 * config/alpha/vms.h: Likewise.
1585 2001-07-14 Richard Henderson <rth@redhat.com>
1587 * config/alpha/alpha.md: Use define_constants for unspec values.
1588 Substitute throughout.
1590 2001-07-14 Tim Josling <tej@melbpc.org.au>
1592 * tree.def (EXPON_EXPR) remove. Never supported anyway.
1594 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
1596 * pa.md: Remove unused constraints from define_split's.
1598 2001-04-14 Richard Henderson <rth@redhat.com>
1600 * ifcvt.c (find_cond_trap): Test for exit block.
1602 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
1604 Re-install recently reverted patch.
1605 * emit-rtl.c (try_split): Update mark_jump_label call.
1606 * flow.c (find_sub_basic_blocks): Likewise.
1607 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
1609 (mark_all_labels): Kill second parameter.
1610 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
1611 (rebuild_jump_labels, jump_optimize_minimal): Update call
1613 (jump_optimize_1): Kill crossjumping code.
1614 (mark_jump_label): Kill cross_jump parameter.
1615 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
1616 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
1617 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
1619 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
1621 (dump_file_info): Likewise.
1622 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
1623 reorganize passes to do reg-stack first, bb-reorder second.
1624 * invoke.texi (-d letters doc): Remove the jump2 pass.
1626 2001-07-14 Richard Henderson <rth@redhat.com>
1628 * ifcvt.c (find_cond_trap): New.
1629 (find_if_header): Call it.
1630 (merge_if_block): Relax existing jump sanity check.
1631 * jump.c (jump_optimize_1): Remove conditional trap handling.
1633 2001-07-14 Alan Modra <amodra@bigpond.net.au>
1635 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
1637 (insn_refs_are_delayed): Correct comment.
1638 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
1639 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
1640 instead of r31. Make associated insn !TARGET_64BIT, and
1641 provide an additional 64-bit insn that clobbers r2.
1643 (udivsi3): Likewise.
1645 (umodsi3): Likewise.
1647 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
1649 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
1651 * flow.c (redirect_edge_and_branch_force, split_edge,
1652 try_crossjump_to_edge): Use set_block_for_new_insns.
1653 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
1655 2001-07-13 H.J. Lu (hjl@gnu.org)
1657 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
1660 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
1662 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
1664 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
1666 * c-common.c (decl_attributes): Take a pointer to the node to
1667 which attributes are to be attached, and a flags argument.
1668 * c-common.h (enum attribute_flags): New.
1669 (decl_attributes): Update prototype.
1670 * c-decl.c (start_decl, push_parm_decl, finish_struct,
1671 finish_enum, start_function): Update calls to decl_attributes.
1672 * c-parse.in (component_declarator, component_notype_declarator,
1673 label): Update calls to decl_attributes.
1675 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
1677 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
1678 * config/avr/avr.c (legitimate_address_p): Return value changed
1679 from letter to register classes. For better debugging.
1681 2001-07-13 Kazu Hirata <kazu@hxi.com>
1683 * jump.c (reversed_comparison_code_parts): Fix comment typos.
1685 2001-07-13 H.J. Lu (hjl@gnu.org)
1687 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
1689 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
1691 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
1692 correctly for shared configurations.
1693 * config/t-libgcc-pic: New.
1694 * config/{i386,m68k,sparc}/t-openbsd: New.
1695 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
1696 Support -shared. Support debugging libraries with -g.
1697 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
1698 frame information does not emit pointer diffs.
1699 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
1702 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
1704 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
1706 2001-07-13 David Edelsohn <edelsohn@gnu.org>
1708 * combine.c (try_combine): Ensure const_int pow2 is positive.
1710 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
1712 * config.gcc: Add configuration for s/390.
1713 * config/s390/s390.c: New. Subroutines for code generation.
1714 * config/s390/s390.h: New. Definitions for s/390.
1715 * config/s390/s390-protos.h: New. Prototypes.
1716 * config/s390/linux.h: New. Definitions for linux for s/390.
1717 * config/s390/linux64.h: New. Definitions for linux for zSeries.
1718 * config/s390/t-linux: New. Makefile fragment.
1719 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
1720 * config/s390/fixdfdi.h: New. Fix L_fix*di.
1722 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
1724 * emit-rtl.c (try_split): Update mark_jump_label call.
1725 * flow.c (find_sub_basic_blocks): Likewise.
1726 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
1728 (mark_all_labels): Kill second parameter.
1729 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
1730 (rebuild_jump_labels, jump_optimize_minimal): Update call
1732 (jump_optimize_1): Kill crossjumping code.
1733 (mark_jump_label): Kill cross_jump parameter.
1734 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
1735 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
1736 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
1738 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
1740 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
1741 reorganize passes to do reg-stack first, bb-reorder second.
1742 * invoke.texi (-d letters doc): Remove the jump2 pass.
1744 2001-07-12 Steve Ellcey <sje@cup.hp.com>
1746 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
1748 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1750 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
1752 (verify_flow_info): Make diagnostics prettier.
1754 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1756 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
1758 * flow.c (outgoing_edges_match): Return early if condition reversal
1761 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
1763 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
1764 (mips_move_2words): When splitting a move into two instructions,
1765 prefix the second address operand with '%D'.
1767 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
1769 * Makefile.in (final.o): Depend on debug.h.
1770 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
1771 (dbx_debug_hooks): Add new hooks.
1772 (xcoff_debug_hooks): New.
1773 * debug.c (debug_nothing_file_int_int): New.
1774 (do_nothing_debug_hooks): Update.
1775 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
1776 (debug_nothing_file_int_int): New.
1777 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
1778 static, update prototype.
1779 (dwarf2_debug_hooks): Update.
1780 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
1781 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
1782 static, update prototype.
1783 (dwarf_debug_hooks): Update.
1784 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
1785 * final.c: Include debug.h.
1786 (final_scan_insn): Use debug hooks when beginning and ending blocks.
1787 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
1788 static, update prototype.
1789 (sdb_debug_hooks): Update.
1790 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
1791 * toplev.c: Distinguish between xcoff and dbx.
1793 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
1794 Call all debug hooks, not just dwarf ones.
1796 2001-07-11 Timothy Wall <twall@redhat.com>
1798 * config.gcc: Add configuration for AIX5/IA64.
1799 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
1800 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
1801 support prefix/suffix code.
1802 * config/ia64/t-aix: New. Makefile fragment.
1803 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
1805 2001-07-11 Kazu Hirata <kazu@hxi.com>
1807 * recog.c (validate_change): Fix a comment typo.
1809 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
1811 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
1812 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
1814 * dbxout.c (dbx_debug_hooks): Add new hooks.
1815 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
1817 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
1819 * dbxout.h (dbxout_start_new_source_file,
1820 dbxout_resume_previous_source_file): Delete.
1821 * debug.c (do_nothing_debug_hooks): Add new hooks.
1822 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
1823 (debug_nothing_int_charstar, debug_nothing_int): New.
1824 * debug.h (gcc_debug_hooks): New hooks define, undef,
1825 start_source_file and end_source_file.
1826 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
1827 (debug_nothing_int_charstar, debug_nothing_int): New.
1828 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
1829 the conditionally compiled section.
1830 (dwarf2out_start_source_file, dwarf2out_end_source_file,
1831 dwarf2out_define, dwarf2out_undef): Make static.
1832 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
1833 dwarf2out_define, dwarf2out_undef): Remove.
1834 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
1835 (dwarfout_start_source_file, dwarfout_end_source_file,
1836 dwarfout_define, dwarfout_undef): Make static.
1837 (dwarfout_start_source_file_check,
1838 dwarfout_end_source_file_check): New.
1839 (dwarfout_define, dwarfout_finish): Update.
1840 * dwarfout.h (dwarfout_start_new_source_file,
1841 dwarfout_resume_previous_source_file, dwarfout_define,
1842 dwarfout_undef): Remove.
1843 * sdbout.c (sdb_debug_hooks): Add new hooks.
1844 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
1846 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
1847 make static, take an arg.
1848 * sdbout.h (sdbout_start_new_source_file,
1849 sdbout_resume_previous_source_file): Delete.
1850 * toplev.c (debug_start_source_file, debug_end_source_file,
1851 debug_define, debug_undef): Delete.
1852 * toplev.h (debug_start_source_file, debug_end_source_file,
1853 debug_define, debug_undef): Delete.
1855 * java/jcf-parse.c: Include debug.h.
1856 (parse_class_file): Update to use debug hooks directly.
1857 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
1859 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1861 * alias.c (set_mem_alias_set): New function.
1862 * rtl.h (set_mem_alias_set): Declare it.
1863 * builtins.c (expand_builtin_return_addr): Call it instead of
1864 using MEM_ALIAS_SET accessor.
1865 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
1866 (get_memory_rtx, expand_builtin_va_arg): Likewise.
1867 (expand_builtin_va_copy):Likewise.
1868 * caller-save.c (setup_save_areas): Likewise.
1869 * calls.c (compute_argument_addresses): Likewise.
1870 * explow.c (set_mem_attributes): Likewise.
1871 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
1872 (expand_assignment, store_constructor_field, store_field): Likewise.
1873 (expand_expr_unaligned): Likewise.
1874 * function.c (assign_stack_temp_for_type): Likewise.
1875 (put_reg_into_stack, gen_mem_addressof): Likewise.
1876 * ifcvt.c (noce_try_cmove_arith): Likewise.
1877 * reload1.c (reload, alter_reg): Likewise.
1878 * config/alpha/alpha.c (get_aligned_mem): Likewise.
1879 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
1880 (alpha_expand_unaligned_store): Likewise
1881 (alpha_expand_unaligned_load_words): Likewise.
1882 (alpha_expand_unaligned_store_words): Likewise.
1883 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
1884 (alpha_expand_epilogue): Likewise.
1885 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
1886 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
1887 * config/i386/i386.c (legitimize_pic_address): Likewise.
1888 * config/i960/i960.c (setup_incoming_varargs): Likewise.
1889 * config/ia64/ia64.c (spill_restore_mem): Likewise.
1890 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
1891 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
1892 * config/mips/mips.c (mips_va_arg): Likewise.
1893 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
1894 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
1895 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
1896 (setup_incoming_varargs, rs6000_va_arg): Likewise.
1897 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
1898 (rs6000_emit_epilogue): Likewise.
1899 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
1900 * config/sparc/sparc.c (sparc_va_arg): Likewise.
1901 * config/v850/v850.c (v850_va_arg): Likewise.
1903 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
1905 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
1906 when fallthru edge is present.
1907 (mege_blocks): Handle case where creation of jump insn
1910 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
1911 CLEANUP_POST_REGSTACK): New constants.
1912 * except.c (finish_eh_generation): Update call of cleanup_cfg,
1913 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
1914 * output.h (cleanup_cfg): Update prototype.
1915 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
1916 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
1917 cleanup_cfg call; kill missleading comment.
1918 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
1919 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
1920 parameter; control optimizations performed using it.
1921 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
1922 try_crossjump_bb): New functions.
1924 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
1926 * pa.c (pa_output_function_prologue): Delete prototype. Make function
1928 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
1929 pa_output_function_prologue.
1930 * pa-protos.h (pa_output_function_prologue): New prototype.
1932 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
1934 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
1935 and low to get correct sign extension in low+high test.
1937 2001-07-11 Janis Johnson <janis@us.ibm.com>
1939 * gcov.c (arcdata): Use gcov_type to fix branch percentage
1940 for large hit count.
1942 * profile.c (branch_prob): Fix .bbg info for computed gotos
1945 2001-07-11 Mark Mitchell <mark@codesourcery.com>
1947 * stmt.c (parse_output_constraint): New function, split out
1949 (expand_asm_operands): ... here. Use parse_output_constraint.
1950 * tree.h (parse_output_constraint): Declare it.
1952 2001-07-11 Richard Henderson <rth@redhat.com>
1954 * bitmap.c: Comment some functions; fiddle whitespace.
1955 (bitmap_free): Don't export.
1956 (bitmap_element_allocate): Use memset.
1957 * bitmap.h (bitmap_free): Don't declare.
1959 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
1961 * gcse.c, lcm.c, sched-deps.c:
1962 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
1964 * flow.c (flow_loops_find): Free dom if we found no loops, since
1965 we aren't going to save it.
1967 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
1970 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
1972 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
1974 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1976 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
1977 #ifndef DWARF2_DEBUGGING_INFO.
1979 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
1981 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
1983 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
1985 * config/mips/mips.c (gen_int_relational): Tell the caller not to
1986 reverse a branch if a NE comparison is implemented with GTU.
1988 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
1989 H.J. Lu <hjl@gnu.org>
1991 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
1993 (call_internal2): Likewise.
1994 (call_value_internal1): Likewise.
1995 (call_value_internal2): Likewise.
1996 (call_value_multiple_internal1): Likewise.
1997 (call_value_multiple_internal2): Likewise.
1999 2001-07-10 Kazu Hirata <kazu@hxi.com>
2001 * calls.c (emit_library_call_value_1): Fix a comment typo.
2002 * dwarf2out.c (mem_loc_descriptor): Likewise.
2003 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
2005 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
2007 * simplify-rtx.c (simplify_subreg): Fix typo in comment
2009 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2011 * recog.c (offsettable_address_p): Handle LO_SUM case.
2012 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
2013 instead of plus_constant.
2015 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2017 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
2018 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
2020 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2022 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
2023 adjust_address_nv instead of plus_constant.
2025 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
2027 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
2028 dwarf2out.o): Depend on debug.h, wrap long lines.
2029 * dbxout.c: Include debug.h.
2030 (dbx_debug_hooks): New.
2031 (dbxout_init): Make static, take just 2 args.
2032 (dbxout_finish): Make static.
2033 * dbxout.h (dbxout_init, dbxout_finish): Delete.
2034 * debug.c: New file.
2035 * debug.h: New file.
2036 * dwarf2out.c: Include debug.h.
2037 (dwarf2_debug_hooks): New.
2038 (dwarf2out_init): Make static.
2039 (dwarf2out_finish): Make static, take 2 args.
2040 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
2041 * dwarfout.c: Include debug.h.
2042 (dwarf_debug_hooks): New.
2043 (dwarfout_init): Make static.
2044 (dwarfout_finish): Make static, take 2 args.
2045 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
2046 * sdbout.c: Include debug.h.
2047 (sdb_debug_hooks): New.
2048 (sdbout_init): Make static, take 2 args.
2049 * sdbout.h (sdbout_init): Delete.
2050 * toplev.c: Include debug.h.
2052 (compile_file): Set deubg_hooks based on command line options.
2053 Use the hooks unconditionally rather than conditional compilation.
2055 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
2057 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
2058 first_insn_after_basic_block_note instead.
2060 * df.c (df_bb_refs_unlink): #if 0 out for now.
2062 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
2064 * ssa.h: Add prototype for ssa_const_prop
2065 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
2066 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
2067 (ssa_fast_dce): Remove unused variable
2069 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
2071 * diagnostic.c (finish_diagnostic): Rename to
2072 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
2075 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
2077 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
2080 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
2081 (dump_file): Only pad the demangled name with spaces if the
2082 mangled name was padded with spaces.
2084 2001-07-10 Bernd Schmidt <bernds@redhat.com>
2086 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
2089 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2091 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
2092 extraction if no direct load if either EXPAND_CONST_ADDRESS or
2095 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
2096 whether can put offset inside LO_SUM to check mode alignment, not size.
2098 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
2100 * doc/tm.texi (Misc): Fix thinko.
2102 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
2104 * regmove.c (replace_in_call_usage): Fix warnings.
2105 * sched-deps.c (add_dependence): Fix warnings.
2106 * simplify-rtx.c (simplify_subreg): Likewise.
2107 Return NULL_RTX instead of NULL.
2109 * reg-stack.c (emit_swap_insn): Eliminate warnings.
2110 (subst_asm_stack_regs): Likewise.
2112 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
2115 * dwarf2out.c (output_call_frame_info): Declare i as int.
2116 (build_abbrev_table): Declare n_alloc as int.
2117 (dwarf2out_finish): Initialize die.
2118 * except.c: Declare sjlj_funcdef_number as unsigned.
2119 (connect_post_landing_pads): Declare j as unsigned.
2120 (convert_to_eh_region_ranges): Initialize call_site.
2121 (output_function_exception_table): Initialize tt_format_size.
2122 * expr.c (move_by_pieces_1): Initialize to1.
2123 (store_constructor): Initialize minelt and maxelt.
2124 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
2125 * function.c (instantiate_decls): Avoid signed/unsigned warning.
2127 * c-decl.c (combine_parm_decls): Unused, remove.
2128 * c-tree.h: Remove prototype for combine_parm_decls.
2130 * reload.c (push_reload): Fix warning.
2131 (regno_clobbered_p): Likewise.
2132 * reload1.c (replace_pseudos_in_call_usage): Likewise.
2133 (reload_combine): Likewise.
2135 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
2136 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
2138 * bitmap.c (bitmap_operation): Change user.
2139 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
2141 2001-07-10 Eric Christopher <echristo@redhat.com>
2143 * config/mips/mips.c (override_options): Fix typo.
2145 2001-07-09 Stan Shebs <shebs@apple.com>
2147 * target.h (struct gcc_target): New fields init_builtins and
2149 * target-def.h (TARGET_INIT_BUILTINS): New macro.
2150 (TARGET_EXPAND_BUILTIN): New macro.
2151 (TARGET_INITIALIZER): Add them.
2152 * builtins.c: Include target.h.
2153 (expand_builtin): Use targetm.expand_builtin.
2154 (default_init_builtins): New function.
2155 (default_expand_builtin): New function.
2156 * expr.h (default_init_builtins): Declare.
2157 (default_expand_builtin): Declare.
2158 * c-common.c (c_common_nodes_and_builtins): Use
2159 targetm.init_builtins.
2160 * defaults.h (MD_INIT_BUILTINS): Remove.
2161 * Makefile.in (builtins.o): Depend on target.h.
2163 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
2164 (TARGET_EXPAND_BUILTIN): Define.
2165 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
2166 (MD_EXPAND_BUILTIN): Remove.
2168 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
2169 (TARGET_EXPAND_BUILTIN): Define.
2170 (c4x_init_builtins): Make endlink arg a local.
2171 (c4x_print_operand): Fix typos in adjust_address usages.
2172 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
2173 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
2174 (MD_EXPAND_BUILTIN): Remove.
2176 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
2177 (TARGET_EXPAND_BUILTIN): Define.
2178 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
2179 (ix86_init_builtins): Call new function only if TARGET_MMX.
2180 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
2181 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
2182 (MD_EXPAND_BUILTIN): Remove.
2184 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
2185 (TARGET_EXPAND_BUILTIN): Define.
2186 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
2187 (MD_EXPAND_BUILTIN): Remove.
2189 * doc/tm.texi: Document these changes.
2191 2001-07-09 Diego Novillo <dnovillo@redhat.com>
2193 * basic-block.h (tree_node): Forward declare if needed.
2194 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
2195 (BLOCK_HEAD_TREE): Define.
2196 (BLOCK_END_TREE): Define.
2197 (struct loops): Rename field 'tree' to 'tree_root'.
2198 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
2200 (flow_loops_tree_build): Rename reference to field 'tree' to
2202 (flow_loops_level_compute): Ditto.
2203 * predict.c (estimate_bb_frequencies): Ditto.
2204 * tree.h (struct tree_common): Add field 'aux'.
2206 2001-07-09 Stan Shebs <shebs@apple.com>
2208 * config/darwin.c (darwin_encode_section_info): Don't mark any
2209 DECL_EXTERNAL node as defined.
2211 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
2213 * pa.c (pa_init_machine_status, pa_mark_machine_status,
2214 pa_free_machine_status, hppa_init_pic_save): Delete.
2215 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
2216 (hppa_profile_hook): Use hppa_pic_save_rtx.
2217 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
2218 hppa_init_pic_save): Delete.
2219 (hppa_pic_save_rtx): Declare.
2220 * pa.md (call, call_value, sibcall, sibcall_value,
2221 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
2223 2001-07-09 Kazu Hirata <kazu@hxi.com>
2225 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
2226 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
2228 2001-07-09 Andreas Jaeger <aj@suse.de>
2230 * output.h: Add declaration of final_forward_branch_p.
2232 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
2234 * varray.c: Include errors.h for internal_error and trim_filename
2237 * Makefile.in (varray.o): Add errors.h.
2239 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
2241 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
2242 * optabs.c (have_add2_insn): Check whether the add insn chosen
2243 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
2244 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
2246 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
2248 * Makefile.in (OBJS): Add ssa-ccp.o
2249 (ssa-ccp.o): Add dependencies.
2250 * toplev.c (DFI_ssa_ccp): New dump file enum.
2251 (dump_file): Add entry for dumping after SSA CCP.
2252 (flag_ssa_ccp): New flag variable.
2253 (f_options): Add -fssa-ccp.
2254 (rest_of_compilation): Run SSA CCP if requested.
2255 * timevar.def (TV_SSA_CCP): New timevar.
2256 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
2257 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
2258 Fix minor typo in SSA DCE documentation.
2259 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
2260 Add documentation for new dump option. Renumber dump files
2263 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2265 * emit-rtl.c (gen_highpart_mode): New.
2266 * rtl.h (gen_highpart_mode): Declare.
2267 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
2268 operand can be VOIDmode constant.
2270 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
2272 * flow.c (redirect_edge_and_branch_force): New.
2273 (can_fallthru): Ensure that basic blocks are succeeding.
2274 (try_optimize_cfg): Do not delete basic block if it is the last one.
2276 * flow.c (try_redirect_by_replacing_jump): Do not remove
2277 jumps with side effects, unlink chain on fallthru edge;
2278 set block for new jump instruction; avoid basic block to
2279 over by line number note.
2281 * flow.c (try_simplify_condjump): Verify that the condjump
2282 is not always falling trought.
2285 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
2287 * flow.c (forwarder_block_p): Fix for fallthru blocks.
2288 (try_redirect_by_replacing_jump): Update properly the count
2289 and frequency information.
2291 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2293 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
2294 address that is a LO_SUM specially.
2295 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
2297 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
2299 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
2300 (operand_subword): Use them.
2301 (change_address_1): Renamed from change_address; new arg VALIDATE.
2302 * expr.h: Reflect above changes; change_address now macro.
2303 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
2305 * cselib.c (add_mem_for_addr): Likewise.
2306 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
2307 * regmove.c (try_apply_stack_adjustment): Likewise.
2308 * reload.c (push_reload, make_memloc): Likewise.
2309 * reload1.c (eliminate_regs): Likewise.
2310 * simplify-rtx.c (simplify_replace_rtx): Likewise.
2311 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
2313 * combine.c (make_extraction, simplify_shift_const): Likewise.
2314 (gen_lowpart_for_combine): Likewise.
2315 * cse.c (gen_lowpart_if_possible): Likewise.
2316 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
2317 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
2318 * optabs.c (gen_move_insn): Likewise.
2319 * reload1.c (alter_reg): Likewise.
2320 * simplify-rtx.c (simplify_subreg): Likewise.
2321 * stmt.c (expand_anon_union_decl): Likewise.
2322 * recog.c (validate_replace_rtx_1): Likewise.
2324 * Makefile.in (recog.o): Add $(EXPR_H).
2325 * explow.c (stabilize): Call replace_equiv_address.
2326 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
2327 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
2329 2001-07-03 Andrew Haley <aph@redhat.com>
2331 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
2332 the mode of the memory location.
2334 2001-07-09 Bo Thorsen <bo@suse.co.uk>
2336 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
2338 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
2340 * final.c (output_addr_const): Use target opening and
2341 closing parentheses.
2342 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
2343 defaults, add to TARGET_ASM_OUT.
2344 * target.h (struct gcc_target): Add open_paren and close_paren.
2345 * doc/md.texi: Update.
2346 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
2347 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
2348 TARGET_ASM_CLOSE_PAREN.
2349 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
2351 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
2353 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
2354 * config/a29k/a29k.h: Similarly.
2355 * config/alpha/alpha.h: Similarly.
2356 * config/arc/arc.h: Similarly.
2357 * config/arm/aof.h: Similarly.
2358 * config/arm/aout.h: Similarly.
2359 * config/avr/avr.h: Similarly.
2360 * config/c4x/c4x.h: Similarly.
2361 * config/clipper/clipper.h: Similarly.
2362 * config/convex/convex.h: Similarly.
2363 * config/d30v/d30v.h: Similarly.
2364 * config/dsp16xx/dsp16xx.h: Similarly.
2365 * config/elxsi/elxsi.h: Similarly.
2366 * config/fr30/fr30.h: Similarly.
2367 * config/h8300/h8300.h: Similarly.
2368 * config/i370/i370.h: Similarly.
2369 * config/i386/i386.h: Similarly.
2370 * config/i860/i860.h: Similarly.
2371 * config/i960/i960.h: Similarly.
2372 * config/ia64/ia64.h: Similarly.
2373 * config/m32r/m32r.h: Similarly.
2374 * config/m68hc11/m68hc11.h: Similarly.
2375 * config/m68k/m68k.h: Similarly.
2376 * config/m88k/m88k.h: Similarly.
2377 * config/mcore/mcore.h: Similarly.
2378 * config/mips/mips.h: Similarly.
2379 * config/mn10200/mn10200.h: Similarly.
2380 * config/mn10300/mn10300.h: Similarly.
2381 * config/ns32k/ns32k.h: Similarly.
2382 * config/pa/pa.h: Similarly.
2383 * config/pdp11/pdp11.h: Similarly.
2384 * config/pj/pj.h: Similarly.
2385 * config/romp/romp.h: Similarly.
2386 * config/rs6000/rs6000.h: Similarly.
2387 * config/sh/sh.h: Similarly.
2388 * config/sparc/sparc.h: Similarly.
2389 * config/v850/v850.h: Similarly.
2390 * config/vax/vax.h: Similarly.
2391 * config/we32k/we32k.h: Similarly.
2393 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
2395 * doc/c-tree.texi: Document representation of attributes.
2397 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
2399 * doc/tm.texi: Update some places for the rename of target to
2402 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
2404 * target.h (struct gcc_target): Add insert_attributes.
2405 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
2406 (TARGET_INITIALIZER): Update.
2407 * tree.c, tree.h (default_insert_attributes): New function.
2408 Update comments on other default functions to refer to targetm,
2410 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
2411 TARGET_INSERT_ATTRIBUTES.
2412 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
2413 * c-common.c (decl_attributes): Use targetm.insert_attributes.
2414 Don't use PRAGMA_INSERT_ATTRIBUTES.
2415 * Makefile.in (c-common.o): Depend on $(TARGET_H).
2416 * c-decl.c (start_decl, start_function): Don't call
2417 SET_DEFAULT_DECL_ATTRIBUTES.
2418 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
2419 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
2421 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
2422 (c4x_check_attribute): Avoid modifying attribute list itself.
2423 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
2425 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
2426 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
2428 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
2429 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
2431 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
2432 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
2434 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
2435 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
2436 Adjust parameters. Make static.
2438 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
2440 * c-common.c (decl_attributes): Only take a single attributes
2442 * c-common.h (decl_attributes): Update prototype.
2443 * c-decl.c (start_decl, start_function): Only take a single
2444 attributes parameter. Update calls to decl_attributes.
2445 (finish_struct, finish_enum): Update calls to decl_attributes.
2446 (push_parm_decl): Expect unified list of attributes. Update call
2448 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
2449 notype_nested_function, component_declarator,
2450 component_notype_declarator, label): Update calls to
2452 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
2453 lists that are passed to push_parm_decl.
2454 * c-tree.h (start_function, start_decl): Update prototypes.
2455 * config/sh/sh-protos.h, config/sh/sh.c
2456 (sh_pragma_insert_attributes): Only take a single attributes
2458 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
2459 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
2460 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
2461 build_module_descriptor, generate_static_references,
2462 generate_strings, build_selector_translation_table,
2463 generate_descriptor_table, generate_protocols,
2464 generate_ivars_list, generate_dispatch_table,
2465 generate_protocol_list, generate_category,
2466 generate_shared_structures, really_start_method, add_objc_decls,
2467 generate_classref_translation_entry): Update calls to start_decl
2469 (build_tmp_function_decl, start_method_def): Unify attribute lists
2470 that are passed to push_parm_decl.
2472 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
2474 * final.c (no_asm_to_stream): New.
2475 (final_scan_insn): Use target structures for prologue ends
2476 and epilogue starts.
2477 * output.h (no_asm_to_stream): New.
2478 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
2479 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
2480 (TARGET_ASM_OUT): Update.
2481 * target.h (struct gcc_target): New members function_end_prologue
2482 and function_begin_epilogue.
2483 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
2484 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
2485 * config/alpha/alpha.c (output_end_prologue): Rename to
2486 alpha_output_function_end_prologue. Use in target struct
2488 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
2489 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
2490 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
2491 ia64_output_function_end_prologue. Use in target struct
2493 (ia64_function_prologue, ia64_funciton_epilogue): Rename
2494 mistyped prototypes.
2495 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
2496 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
2498 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
2499 an use in target struct, make static.
2500 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
2503 2001-07-08 Richard Henderson <rth@redhat.com>
2505 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
2507 2001-07-08 Richard Henderson <rth@redhat.com>
2509 * config/i386/i386.md: Remove constraints strings from define_split
2510 and define_peephole2 patterns.
2511 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
2512 (eh_return): Use them.
2514 2001-07-08 Richard Henderson <rth@redhat.com>
2516 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
2517 Document MD_FALLBACK_FRAME_STATE_FOR.
2519 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2521 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
2522 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
2524 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
2526 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
2528 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
2529 of the label inside NAME as opposed to just the end of NAME.
2531 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
2533 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
2534 * config/alpha/alpha.c (alpha_init_machine_status,
2535 alpha_mark_machine_status, alpha_free_machine_status): Delete.
2536 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
2537 (vms_valid_decl_attribute_p): Make static, conditionally compile.
2538 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
2540 2001-07-06 Stan Shebs <shebs@apple.com>
2542 * target.h (targetm): Rename global from "target", so as not to
2543 conflict with local variables.
2545 * c-typeck.c: Ditto.
2549 * cp/decl2.c: Ditto.
2550 * cp/typeck.c: Ditto.
2551 * 1750a/1750a.c: Ditto.
2552 * a29k/a29k.c: Ditto.
2556 * clipper/clipper.c: Ditto.
2557 * convex/convex.c: Ditto.
2558 * d30v/d30v.c: Ditto.
2559 * dsp16xx/dsp16xx.c: Ditto.
2560 * elxsi/elxsi.c: Ditto.
2561 * fr30/fr30.c: Ditto.
2562 * h8300/h8300.c: Ditto.
2563 * i370/i370.c: Ditto.
2564 * i386/i386.c: Ditto.
2565 * i860/i860.c: Ditto.
2566 * i960/i960.c: Ditto.
2567 * ia64/ia64.c: Ditto.
2568 * m32r/m32r.c: Ditto.
2569 * m68hc11/m68hc11.c: Ditto.
2570 * m68k/m68k.c: Ditto.
2571 * m88k/m88k.c: Ditto.
2572 * mips/mips.c: Ditto.
2573 * ns32k/ns32k.c: Ditto.
2575 * pdp11/pdp11.c: Ditto.
2576 * romp/romp.c: Ditto.
2577 * rs6000/rs6000.c: Ditto.
2579 * sparc/sparc.c: Ditto.
2581 * we32k/we32k.c: Ditto.
2582 * doc/tm.texi: Update the manual to match.
2584 2001-07-06 Richard Henderson <rth@redhat.com>
2586 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
2587 DWARF2_UNWIND_INFO not just whether it is defined.
2589 2001-07-06 Diego Novillo <dnovillo@redhat.com>
2591 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
2592 call to simplify_binary_operation returns a new pattern.
2594 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2596 * glimits.h (__SHRT_MAX__): New.
2597 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
2598 (SHRT_MAX): Define in terms of __SHRT_MAX__.
2600 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
2602 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
2605 2001-07-06 Richard Henderson <rth@redhat.com>
2607 * bitmap.c (bitmap_release_memory): Move adjacent to the
2608 allocation functions.
2609 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
2610 the implementation. Binary search for the set bit.
2611 (bitmap_union_of_diff): Allocate the temporary on the stack
2612 instead of using xmalloc.
2614 2001-07-06 Richard Henderson <rth@redhat.com>
2616 * genrecog.c (validate_pattern): Warn for constraints in
2617 define_{expand,split,peephole2}. Remove strict_low_part
2618 before looking up match_dup.
2620 2001-07-06 DJ Delorie <dj@redhat.com>
2622 * doc/gcc.texi (Makefile): Rename to be a more general purpose
2623 chapter about various build hints and history. Add section
2624 talking about the various types of native and cross builds.
2626 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
2628 * Makefile.in (final.o): Depend on target.h.
2629 * final.c: Include target.h.
2630 (default_function_pro_epilogue): New.
2631 (final_start_function): Use target structure for function prologues.
2632 (final_end_function): Use target structure for function epilogues.
2633 * fold-const.c (real_hex_to_f): Constify s and p.
2634 * output.h (default_function_pro_epilogue): New.
2635 * real.h (real_hex_to_f): Update prototype.
2636 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
2637 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
2638 (TARGET_INITIALIZER): Update.
2639 * target.h (gcc_target): Add struct asm_out.
2640 * doc/tm.texi: Update.
2643 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
2644 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
2645 in cpu/cpu.c, or rename old functions consistently. Take
2646 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
2647 redundant macros and prototypes. Make new functions static.
2649 * 1750a/1750a.c: Similarly.
2650 * 1750a/1750a.h: Similarly.
2651 * a29k/a29k-protos.h: Similarly.
2652 * a29k/a29k.c: Similarly.
2653 * a29k/a29k.h: Similarly.
2654 * arc/arc-protos.h: Similarly.
2655 * arc/arc.c: Similarly.
2656 * arc/arc.h: Similarly.
2657 * arm/arm-protos.h: Similarly.
2658 * arm/arm.c: Similarly.
2659 * arm/arm.h: Similarly.
2660 * avr/avr-protos.h: Similarly.
2661 * avr/avr.c: Similarly.
2662 * avr/avr.h: Similarly.
2663 * clipper/clipper-protos.h: Similarly.
2664 * clipper/clipper.c: Similarly.
2665 * clipper/clipper.h: Similarly.
2666 * convex/convex.c: Similarly.
2667 * convex/convex.h: Similarly.
2668 * d30v/d30v-protos.h: Similarly.
2669 * d30v/d30v.c: Similarly.
2670 * d30v/d30v.h: Similarly.
2671 * d30v/d30v.md: Similarly.
2672 * dsp16xx/dsp16xx-protos.h: Similarly.
2673 * dsp16xx/dsp16xx.c: Similarly.
2674 * dsp16xx/dsp16xx.h: Similarly.
2675 * elxsi/elxsi.c: Similarly.
2676 * elxsi/elxsi.h: Similarly.
2677 * fr30/fr30.c: Similarly.
2678 * fr30/fr30.md: Similarly.
2679 * h8300/h8300-protos.h: Similarly.
2680 * h8300/h8300.c: Similarly.
2681 * h8300/h8300.h: Similarly.
2682 * i370/i370-protos.h: Similarly.
2683 * i370/i370.c: Similarly.
2684 * i370/i370.h: Similarly.
2685 * i386/i386.c: Similarly.
2686 * i386/osf1elf.h: Similarly.
2687 * i386/osfrose.h: Similarly.
2688 * i860/i860-protos.h: Similarly.
2689 * i860/i860.c: Similarly.
2690 * i860/i860.h: Similarly.
2691 * i960/i960-protos.h: Similarly.
2692 * i960/i960.c: Similarly.
2693 * i960/i960.h: Similarly.
2694 * ia64/ia64-protos.h: Similarly.
2695 * ia64/ia64.c: Similarly.
2696 * ia64/ia64.h: Similarly.
2697 * m32r/m32r-protos.h: Similarly.
2698 * m32r/m32r.c: Similarly.
2699 * m32r/m32r.h: Similarly.
2700 * m68hc11/m68hc11-protos.h: Similarly.
2701 * m68hc11/m68hc11.c: Similarly.
2702 * m68hc11/m68hc11.h: Similarly.
2703 * m68k/crds.h: Similarly.
2704 * m68k/dpx2.h: Similarly.
2705 * m68k/m68k-protos.h: Similarly.
2706 * m68k/m68k.c: Similarly.
2707 * m68k/m68k.h: Similarly.
2708 * m68k/news.h: Similarly.
2709 * m88k/m88k-protos.h: Similarly.
2710 * m88k/m88k.c: Similarly.
2711 * m88k/m88k.h: Similarly.
2712 * mips/mips-protos.h: Similarly.
2713 * mips/mips.c: Similarly.
2714 * mips/mips.h: Similarly.
2715 * ns32k/merlin.h: Similarly.
2716 * ns32k/ns32k.c: Similarly.
2717 * ns32k/ns32k.h: Similarly.
2718 * ns32k/tek6000.h: Similarly.
2719 * pa/pa-protos.h: Similarly.
2720 * pa/pa.c: Similarly.
2721 * pa/pa.h: Similarly.
2722 * pdp11/2bsd.h: Similarly.
2723 * pdp11/pdp11-protos.h: Similarly.
2724 * pdp11/pdp11.c: Similarly.
2725 * pdp11/pdp11.h: Similarly.
2726 * romp/romp-protos.h: Similarly.
2727 * romp/romp.c: Similarly.
2728 * romp/romp.h: Similarly.
2729 * rs6000/rs6000-protos.h: Similarly.
2730 * rs6000/rs6000.c: Similarly.
2731 * rs6000/rs6000.h: Similarly.
2732 * rs6000/sysv4.h: Similarly.
2733 * sh/sh-protos.h: Similarly.
2734 * sh/sh.c: Similarly.
2735 * sh/sh.h: Similarly.
2736 * sparc/sparc-protos.h: Similarly.
2737 * sparc/sparc.c: Similarly.
2738 * sparc/sparc.h: Similarly.
2739 * vax/vax.c: Similarly.
2740 * vax/vax.h: Similarly.
2741 * vax/vms.h: Similarly.
2742 * we32k/we32k.c: Similarly.
2743 * we32k/we32k.h: Similarly.
2745 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
2747 * basic-block.h (first_insn_after_basic_block_note): Declare.
2748 * flow.c (first_insn_after_basic_block_note): Define. Moved
2750 * ssa.c (first_insn_after_basic_block_note): Remove.
2751 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
2753 (ssa_eliminate_dead_code): Properly update the CFG and PHI
2754 nodes when we find a dead conditional branch. Insert BARRIERs
2755 after any blocks with no successors, but which do not have
2758 2001-07-06 Zack Weinberg <zackw@stanford.edu>
2760 * varray.c (varray_check_failed): Use internal_error.
2762 2001-07-05 Andrew Haley <aph@redhat.com>
2764 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
2765 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
2766 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
2768 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
2770 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
2771 reference if the target constant is also a SYMBOL_REF.
2773 2001-07-05 Eric Christopher <echristo@redhat.com>
2775 * config/mips/mips.h (MASK_MIPS3900): Remove.
2776 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
2777 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
2778 (TARGET_MIPS3900): Change to use mips_arch.
2779 (TARGET_MIPS4000): New.
2780 (TARGET_MIPS4100): New.
2781 (TARGET_MIPS4300): New.
2782 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
2783 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
2785 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
2786 (ISA_HAS_BRANCHLIKELY): To here.
2787 (CC1_CPU_SPEC): New.
2788 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
2789 (mips_arch_string): Declare.
2790 (mips_arch): Declare.
2791 (TARGET_OPTIONS): Add -march and -mtune.
2793 * config/mips/mips.c (mips_arch_string): New.
2795 (override_options): Handle -march for codegen and -mtune
2796 for scheduling. Use mips_arch. Move tx39 target default here.
2797 (mips_parse_cpu): Move error message to override_options.
2799 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
2801 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
2803 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
2804 (MIPS Options): Ditto. Change mcpu entry to historical text.
2806 2001-07-05 H.J. Lu (hjl@gnu.org)
2808 * config/mips/mips.c (mips_parse_cpu): New function to parse
2811 2001-07-05 Jim Wilson <wilson@redhat.com>
2813 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
2814 * config/ia64/t-ia64: Likewise.
2815 (LIB1ASMFUNCS): Update comment.
2817 2001-07-05 David Edelsohn <edelsohn@gnu.org>
2819 * doc/install.texi (Install GCC: Binaries): Fix typo.
2821 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2823 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
2824 reference using the stack pointer, adjust it since we push Y
2826 ("*ashrsi3"): Likewise.
2827 ("*lshrsi3"): Likewise.
2829 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2831 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
2832 when -fomit-frame-pointer is used.
2834 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
2836 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
2837 (try_redirect_by_replacing_jump): Reverse updating properly the
2838 count and frequency information. Reverse removing cc0 setter.
2839 (forwarder_block_p): Reverse fixing for fallthru blocks.
2841 2001-07-05 DJ Delorie <dj@redhat.com>
2843 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
2844 (translate_options): If the above is defined, use it to map
2845 given options to new options.
2846 * doc/tm.texi: Document it.
2848 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
2849 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2851 * doc/invoke.texi (Optimize Options): Document that -fgcse may
2852 cause programs using computed gotos to run more slowly.
2854 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2856 * doc/install.texi (Specific): Markup, spelling and typo fixes.
2858 Consistently require binutils 2.11.2, not prereleases.
2859 (Specific, decstation-*): Canonicalize as mips-dec-*.
2860 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
2862 (Specific, m68k-altos): Removed reference to README.altos, deleted.
2863 (Specific, mips-*): Reword MIPS C compiler requirements.
2864 (Specific, powerpc*-*-*): New, mention --with-cpu once.
2865 (Specific, sunv5): Removed, obsolete.
2867 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
2869 * dwarf2out.c (output_loc_list): Use an all ones mask for
2870 .text asm output and don't rely on long long
2871 literals. Reformat some long lines.
2873 2001-07-05 Andreas Jaeger <aj@suse.de>
2875 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
2878 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
2880 * dwarf2out.c (dwarf2out_define): Update comment.
2881 (dwarf2out_undef): Ditto.
2882 (dwarf2out_start_source_file): Ditto.
2883 (dwarf2out_end_source_file): Ditto.
2884 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
2885 since we never call the start/end debug hook for the primary file.
2887 2001-07-04 Kazu Hirata <kazu@hxi.com>
2889 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
2892 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
2894 * cppinit.c (remove_dup_dirs): Inform if a system include
2895 directory is being reordered.
2896 * doc/invoke.texi (Directory Options): GCC warns if you hide a
2898 * doc/cpp.texi (Search Paths): Likewise.
2899 * doc/gcc.texi (Interoperation): Remove information about
2902 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
2904 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
2905 (VARRAY_TOP_CHAR_PTR): Likewise.
2907 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2909 * gcc.c (process_command): Don't assign elements of a const char*.
2911 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2913 * emit-rtl.c (change_address): Don't abort if invalid address while
2914 reload is in progress.
2916 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
2918 * c-lex.c (cb_file_change): Pass line number to
2919 debug_start_source_file.
2920 (cb_undefine): Pass correct line number to debug_undef.
2922 * toplev.c (debug_start_source_file): Add line number to
2923 parameters. Pass it along to dwarf2out_start_source_file.
2924 (decode_g_option): Stop resetting debug level back to normal when
2925 we change debug formats, unless the current level is
2926 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
2929 * toplev.h (debug_start_source_file): Add line number to
2932 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
2935 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
2937 Output debug_macinfo data for starting file if requested.
2938 (dwarf2out_end_source_file): Output debug_macinfo data for ending
2940 (dwarf2out_define): Output debug_macinfo data for defining a macro
2942 (dwarf2out_undef): Output debug_macinfo data for undefining a
2944 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
2945 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
2946 (macinfo_section_label): New. DWARF2 macro info section label.
2947 (dwarf2out_init): If we want macro info, output the start label
2949 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
2950 attribute to the compilation unit die pointing to the macro info.
2952 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
2954 * dwarf2out.c (new_loc_list): Move to inside #ifdef
2955 DWARF2_DEBUGGING_INFO.
2956 (add_loc_descr_to_loc_list): Ditto.
2957 (output_loc_list): Ditto.
2958 Also, fix thinko in curr not being initialized.
2959 (gen_internal_sym): Ditto.
2961 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2963 * emit-rtl.c (replace_equiv_address): New function.
2964 * expr.h (replace_equiv_address): New declaration.
2965 * explow.c (validize_mem): Call it instead of change_address and
2966 also call if -fforce-addr and address is constant.
2967 * expr.c: Replace more calls to change_address with adjust_address
2968 and/or replace_equiv_address or to validize_mem.
2969 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
2970 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
2971 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
2972 * config/i370/i370.md, config/i860/i860.md: Likewise.
2973 * config/i960/i960.md, config/mips/mips.c: Likewise.
2974 * config/mips/mips.md, config/pa/pa.md: Likewise.
2975 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
2976 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
2978 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2980 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
2982 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
2985 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
2987 * doc/include: New directory.
2988 * doc/fdl.texi: Move to doc/include/fdl.texi.
2989 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
2990 * doc/include/funding.texi, doc/include/gpl.texi: New files.
2991 * doc/gcc.texi: Use funding.texi and gpl.texi.
2992 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
2993 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
2994 Update dependencies and use -I $(docdir)/include.
2996 2001-07-04 Anthony Green <green@redhat.com>
2998 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
3000 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3002 * doc/install.texi (sparc64-*-*): Remove garbage.
3004 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
3006 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
3007 Fix typo in last change to use adjust_address.
3009 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3011 * doc/install.texi (Specific): Update information for *-*-solaris*.
3013 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3015 * explow.c (plus_constant_wide): Reinitialize Y for restart.
3017 2001-07-03 Stan Shebs <shebs@apple.com>
3019 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
3020 case for flag_no_mach_text_sections.
3021 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
3022 * config/darwin.c (flag_no_mach_text_sections): Remove.
3023 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
3025 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3027 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
3028 and avoid checking for constant as first operand.
3029 * recog.c (find_constant_term_loc): No longer static.
3030 (adj_offettable_operand): Delete.
3031 * rtl.h (adj_offsettable_operand): Delete declaration.
3032 (find_constant_term): Add declaration.
3033 * caller-save.c: Replace calls to adj_offsettable_operand with calls
3035 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
3036 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
3037 * config/i386/i386.c, config/i386/i386.md: Likewise.
3038 * config/i860/i860.c, config/i960/i960.c: Likewise.
3039 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
3040 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
3041 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
3042 * config/mips/mips.c, config/mips/mips.md: Likewise.
3043 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
3044 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
3045 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
3046 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
3047 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
3048 * config/ns32k/ns32k.md: Likewise.
3050 2001-07-03 Zack Weinberg <zackw@stanford.edu>
3052 * rtl.c (copy_rtx): Handle 'T' format letter.
3053 * gensupport.c (collect_insn_data): Likewise.
3054 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
3056 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
3058 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
3059 -B option. Use 'dir' not 'foo' as example directory name.
3061 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3063 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
3064 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
3066 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
3068 * doc/cppinternals.texi: Improve formatting and logical markup.
3070 2001-07-03 Andreas Jaeger <aj@suse.de>
3072 * Makefile.in (insn-recog.o): Add dependency on reload.h.
3074 * genrecog.c (write_header): Include reload.h for prototypes in
3077 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
3080 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
3081 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
3082 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
3083 i386_pe_valid_type_attribute_p): Add.
3084 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
3085 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
3087 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3089 * explow.c (plus_constant_wide, case LO_SUM): New case.
3090 (plus_constant_for_output_wide): Delete.
3091 * rtl.h (plus_constant_for_output): Delete.
3092 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
3093 instead of plus_constant_for_output.
3094 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
3095 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
3096 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
3097 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
3098 * config/sparc/sparc.md: Likewise.
3099 Convert some change_address calls to adjust_address.
3101 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
3103 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
3104 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
3105 documentation of -std and -Wwrite-strings.
3107 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
3109 * cse.c (canon_hash): Don't register registers in very small
3110 register classes, as extending their lifetime might cause
3113 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3115 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
3117 * flow.c (forwarder_block_p): Fix for fallthru blocks.
3118 (try_redirect_by_replacing_jump): Update properly the count
3119 and frequency information.
3121 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
3123 * toplev.c (dump_file_index): Move SSA dumps just after first
3125 (dump_file): Corresponding changes.
3126 (rest_of_compilation): Move SSA path to just after the first
3128 * doc/gcc.texi (Passes): Update due to movement of SSA path.
3129 * doc/invoke.texi: Update dump file #s as they were completely
3130 out of date with reality.
3132 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
3134 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
3136 * expr.c (emit_move_insn_1): Deal with non-default
3139 * expr.c (emit_single_push_insn): Fix warning.
3141 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
3143 * expr.c (emit_move_insn_1): Avoid modifying
3144 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
3146 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3148 * emit-rtl.c (adjust_address): New function.
3149 * expr.h (adjust_address): Add declaration.
3150 * builtins.c: Replace some calls to change_address with calls to it
3152 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
3153 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
3154 * config/arm/arm.c, config/convex/convex.c: Likewise.
3155 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
3156 * config/i386/i386.c, config/i386/i386.md: Likewise.
3157 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
3158 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
3159 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
3160 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
3161 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
3163 2001-07-02 Jim Wilson <wilson@redhat.com>
3165 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
3167 2001-07-02 Steve Ellcey <sje@cup.hp.com>
3169 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
3170 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
3172 2001-07-02 Zack Weinberg <zackw@stanford.edu>
3174 * cppinit.c (lang_defaults): New table.
3175 (set_lang): Just read from lang_defaults into the live options
3178 2001-07-02 Zack Weinberg <zackw@stanford.edu>
3180 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
3181 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
3182 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
3184 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3186 * doc/install.texi: Various spelling and markup fixes.
3187 (Installing GCC): Component specific installation instructions are
3190 Warn about removing old install dir in the presence of shared libs.
3191 (Configuration): Invoke with options target to match configure
3193 Consistently refer to gas, gld pathnames.
3194 Invert --enable-multilib documentation.
3195 Remove references to old compiler versions.
3197 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3199 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
3201 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3203 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
3205 (Specific, mips*-sgi-irix5): Note IDO download.
3206 Reworded MIPS C hints.
3207 Use GNU as instead of GAS.
3209 Removed SGI Freeware reference, IRIX 6 only.
3210 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
3211 Note N64 library requirement/workaround.
3213 Complete list of structure passing bug victims.
3215 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3217 * doc/install.texi: Remove CVS Id.
3219 2001-07-02 Andreas Jaeger <aj@suse.de>
3221 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
3222 (find_inherently_necessary): Remove unused variable.
3224 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
3226 * c-common.h (TDI_inlined): New ast dump phase.
3227 (dump_flag_name): New function.
3228 * c-dump.c (dump_files): Add inlined phase.
3229 (dump_flag_name): Define.
3230 * doc/invoke.texi (-fdump-ast-inlined): Document.
3232 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3234 * stor-layout.c (layout_decl): Revert change to handling of alignment
3237 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3239 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
3242 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
3244 * doc/tm.texi (FUNCTION_ARG): Document that the last call
3247 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
3249 * tlink.c (recompile_files): Remove COMPILER_PATH and
3250 LIBRARY_PATH from the environment.
3252 2001-07-01 Zack Weinberg <zackw@stanford.edu>
3254 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
3255 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
3257 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
3259 * c-parse.in (OBJC_STRING): Kill.
3260 (objc_string): Decompose to [objc_string] '@' STRING.
3261 (reswords): Take the leading '@' off all the Objective C keywords.
3262 (objc_rid_sans_at): Kill.
3263 (init_reswords): Don't initialize it.
3264 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
3265 (_yylex): Kill reconsider label. Look ahead one token after
3266 an '@'; if we get an identifier, check whether it's an
3267 Objective C @-keyword. If so, return the keyword. Otherwise,
3268 put back the token and return the '@' as a terminal.
3270 * cpplib.c (lex_macro_node): Remove unnecessary check for
3271 leading '@' on identifier. Clarify control flow and commentary.
3273 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3275 * cse.c (new_label_ref): Variable deleted.
3276 (insert): Remove set of new_label_ref.
3277 (check_for_label_ref): New function.
3278 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
3280 See ChangeLog.5 for earlier changes.