1 2001-07-30 H.J. Lu <hjl@gnu.org>
3 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
6 2001-07-30 H.J. Lu (hjl@gnu.org)
8 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
9 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
10 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
12 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
14 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
15 as -mthumb-interwork when -mcpu=arm7 is specified.
17 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
19 * predict.def (noreturn, loop branch, loop exit): Mark as first
22 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
24 * combine.c (try_combine): Avoid barrier after noop jumps.
26 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
28 * cpphash.h (struct cpp_reader): Remove import_warning.
29 * cpplib.c (skip_rest_of_line): Don't bother turning off
31 (parse_include): Move include handling to...
32 (do_include_common): ... here. Move import warning from...
33 (do_import): ... here.
34 (do_pragma_poison): Don't do a callback for poison identifiers.
35 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
36 * cppmain.c (setup_callbacks): Similarly.
38 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
40 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
42 * except.c (sjlj_mark_call_sites): .... here.
43 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
45 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
47 Suggested by Richard Henderson and Richard Kenner:
48 * combine.c (recog_for_combine): Use the fake recog
49 only if instruction does not match.
50 * rtl.h (NOOP_MOVE_INSN_CODE): New.
51 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
53 * combine.c (try_combine): Discover noop jump as direct jump.
55 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
57 * df.c (df_rd_global_compute): Add successors to worklist, not
59 (df_ru_global_compute): Ditto.
61 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
63 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
66 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
68 * sbitmap.h: New prototype for sbitmap_a_xor_b.
70 * sbitmap.c (sbitmap_a_xor_b): New function.
71 ifdef the basic block stuff on IN_GCC.
73 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
75 * cppexp.c (parse_defined): Always record the macro name.
76 (lex): Don't worry about identifiers, or special-case
78 (_cpp_parse_expr): Figure out at the end of the routine
79 whether we saw a valid !defined() expression.
80 * cppfiles.c (stack_include_file): Update for mi_valid.
81 (_cpp_pop_file_buffer): Similarly.
82 * cpplex.c (_cpp_lex_token): Similarly.
83 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
84 mi_if_not_defined, mi_lexed): Remove.
86 * cpplib.c (do_if): Simplify.
87 (do_endif, push_conditional, _cpp_handle_directive): Update
88 for renaming of mi_state to mi_valid.
90 * cpp.texi: Add index entries for digraphs, and add comment
91 that C++ refers to them as alternative tokens.
93 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
95 * basic-block.h (CLEANUP_PRE_LOOP): New.
96 * except.c (finish_eh_generation): Update call of cleanup_cfg.
97 * sibcall.c (optimize_sibling_calls): Likewise.
98 * toplev.c (rest_of_compilation): Likewise.
99 * flow.c (try_forward_edges): Take argument MODE;
100 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
101 (try_optimize_cfg): Update call of try_forward_edges.
103 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
104 Jan Hubicka <jh@suse.cz>
106 * (validate_replace_rtx_1): Fix simplification of MINUS.
108 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
111 * cppinit.c (init_dependency_output): Turn off dump requests
112 if sending dependencies to stdout.
114 2001-07-28 Richard Henderson <rth@redhat.com>
116 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
119 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
121 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
123 2001-07-28 Kazu Hirata <kazu@hxi.com>
125 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
126 is VAR_DECL first to prevent an ICE.
128 2001-07-28 Richard Henderson <rth@redhat.com>
130 * varasm.c (immed_real_const_1): Don't elide special cases for
132 (clear_const_double_mem): Clear const_tiny_rtx too.
134 2001-07-28 Richard Henderson <rth@redhat.com>
136 * dwarf2out.c (dw_val_class_offset): New.
137 (struct dw_ranges_struct, dw_ranges_ref): New.
138 (ranges_table, ranges_table_allocated): New.
139 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
140 (add_AT_offset, add_ranges, output_ranges): New.
141 (print_die, output_die): Handle dw_val_class_offset.
142 (attr_checksum, size_of_die, value_format): Likewise.
143 (gen_lexical_block_die): Handle non-contiguous blocks.
144 (gen_block_die): Likewise.
145 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
146 if needed. Dump the ranges table.
147 * final.c (final_start_function): Remove unnecessary notes and
148 rebuild the block tree before numbering the blocks.
149 * function.c (reorder_blocks_0): Walk the existing block tree
150 to unmark all blocks.
151 (reorder_blocks_1): Create block fragments when duplicate block
153 (reorder_fix_fragments): New.
154 (reorder_blocks): Call it.
155 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
157 2001-07-28 Richard Henderson <rth@redhat.com>
159 * emit-rtl.c (adjust_address): Make a copy of the memory address.
161 2001-07-28 Richard Henderson <rth@redhat.com>
163 * flow.c (add_to_mem_set_list): New function.
164 (init_propagate_block_info): Use it.
165 (mark_set_1): Likewise.
166 (insn_dead_p): Canonicalize memory address for dead store
167 comparison. Allow wider mode stores to kill narrower mode stores.
168 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
169 (invalidate_mems_from_set): Don't handle MEMs.
171 2001-07-28 Kazu Hirata <kazu@hxi.com>
173 * config/h8300/h8300.h: Fix formatting.
175 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
177 * basic-block.h (EDGE_FREQUENCY): New macro.
178 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
180 * flow.c (find_sub_basic_blocks): Likewise.
181 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
182 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
184 * predict.c (DEF_PREDICTOR): New argument FLAGS.
185 (HITRATE): New macro.
186 (PRED_FLAG_FIRST_MATCH): New constant.
187 (predictor_info): New field flgags.
188 (combine_predictions_for_insn): Use DS theory to combine
189 probabilities; set the edge probabilities when finished.
190 (estimate_probability): Avoid duplicated matches
191 of LOOP_BRANCH heuristics for nested loops; update comment.
192 * predict.def: Add flags for each prediction, set probabilities
193 according to B&L paper.
194 * predict.h (DEF_PREDICTOR): New argument FLAGS.
196 * profile.c (compute_branch_probabilities): Cleanup way the edge
197 probabilities are computed and REG_BR_PROB notes are dropped; if
198 values does not match, emit error.
199 (init_branch_prob): Do error instead of warning when profile driven
200 feedback is missing or corrupt.
202 2001-07-27 DJ Delorie <dj@redhat.com>
204 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
205 against a constant, try to adjust the compare to have the desired
206 constant in it so that min/max optimizations happen more often.
208 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
210 * flow.c (last_loop_beg_note): New function.
211 (redirect_edge_and_branch): Use it.
212 (split_edge): Likewise.
214 * alias.c (loop_p): Avoid uninitialized memory access.
216 * flow.c (try_forward_edges): Avoid accessing freed memory.
218 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
221 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
223 * doc/install.texi (Configuration): Properly link the host
224 specific instructions also when generating HTML.
226 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
228 * flow.c (redirect_edge_and_branch_force): Test
229 target->global_live_at_start.
231 2001-07-26 Richard Henderson <rth@redhat.com>
233 * simplify-rtx.c (avoid_constant_pool_reference): Export.
234 * rtl.h (avoid_constant_pool_reference): Declare it.
235 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
236 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
238 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
240 * rtl.h (cleanup_barriers): Declare.
241 * jump.c (cleanup_barriers): New function.
242 * toplev.c (rest_of_compilation): Call cleanup_barriers
243 before loop optimizer and after bb_reorder.
245 * flow.c (back_edge_of_syntactic_loop_p): New.
246 (split_edge): Use it.
248 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
250 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
252 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
254 * cse.c (cse_process_notes): Replace any registers if the address
257 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
259 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
260 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
261 (propagate_block): Update prototype.
262 * flow.c (update_life_info): Simplify the CFG and
263 recalculate the global regs which are alive when
264 removing dead code during a global update.
265 (propagate_block): Return non-zero if an INSN is
268 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
270 * Makefile.in (LIBICONV): Define.
272 2001-07-26 Catherine Moore <clm@redhat.com>
274 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
275 of conditional to avoid tree checking errors.
277 2001-07-26 Kazu Hirata <kazu@hxi.com>
279 * regmove.c (regmove_optimize): Don't replace a reg with
280 another reg of a different mode.
282 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
284 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
285 limit length of dependancy flush list.
286 * params.h (MAX_PENDING_LIST_LENGTH): Define.
287 * sched-int.h (struct deps): Add pending_flush_length field.
288 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
290 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
291 (sched_analyze): After a jump, if the pending memory flush list is too
292 large, flush the pending lists.
293 (init_deps): Initialize pending_flush_length to 0.
294 * doc/invoke.texi (max_pending_list_length): Document parameter.
296 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
298 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
299 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
300 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
302 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
304 * cpphash.h (struct_lexer_state): Delete was_skipping.
305 Move skipping here from struct cpp_reader.
306 * cpplex.c (parse_identifier): Update.
307 (_cpp_lex_token): Don't skip tokens in a directive.
308 * cpplib.c (struct if_stack): Update.
309 (start_directive, end_directive): Don't change skipping state.
310 (_cpp_handle_directive): Update.
311 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
312 (do_else, do_endif): Update; only check for excess tokens if not
313 in a skipped conditional block.
314 (push_conditional): Update for new struct if_stack.
316 2001-07-26 Graham Stott <grahams@redhat.com>
318 * function.c (locate_and_pad_parm): Also pad initial offset
319 so that the total argument size also includes the padding.
321 2001-07-26 Graham Stott <grahams@redhat.com>
323 * gensupport.c (alter_output_for_insn): Correct enable checking failure
324 change XSTR to XTMPL.
326 (process_one_cond_exec): Likewise
328 2001-07-25 Richard Henderson <rth@redhat.com>
330 * varasm.c (assemble_variable): Create DECL_RTL before setting
333 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
335 * predict.c (estimate_probability): Avoid duplicated predictions.
337 * loop.c (find_and_verify_loops): Grok multiple barriers.
339 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
341 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
343 * dbxout.c: Consistently use putc instead of fputc.
344 (print_wide_int): New function; call instead of direct fprintf.
345 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
346 (dbxout_type_fields, dbxout_type_method_1): Likewise.
347 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
348 (print_int_cst_octal): Likewise.
349 (print_octal): Show we wrote characters.
350 (dbxout_type): Set have_used_extensions in more places.
352 2001-07-25 Catherine Moore <clm@redhat.com>
354 * config/v850/v850.c (v850_va_arg): Use addr
355 instead of valist to build incr.
357 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
359 * flow.c (delete_dead_jumptables): New function.
360 (life_analyzis): Call it.
361 * bb-reorder.c (skip_insns_after_block): Handle contradictory
364 2001-07-25 Richard Henderson <rth@redhat.com>
366 * except.c (reachable_handlers): Handle a region being removed
367 out from under a RESX.
369 2001-07-25 Richard Henderson <rth@redhat.com>
371 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
372 swap GE/GT if it is an fp comparison.
374 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
376 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
379 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
381 * ssa.c (rename_insn_1): Do not wrap an assignment to a
382 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
385 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
387 (visit_expression): When attempting to simplify an expression,
388 retrieve any modes for arguments before they are simplified
391 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
392 Janis Johnson <janis@us.ibm.com>
394 * stmt.c (expand_goto): A nonlocal goto can be a call too.
395 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
396 pointer parameters to match documented usage of nonlocal_goto.
397 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
398 parameters to their correct order.
399 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
400 parameters to their correct order.
402 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
404 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
406 2001-07-25 Jan Hubicka <jh@suse.cz>
407 Richard Henderson <rth@redhat.com>
409 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
411 (make_edges): New argument update_p; populate the edge cache if set.
412 (find_basic_blocks): Update make_edges invocation.
414 2001-07-24 Joel Sherrill <joel@OARcorp.com>
416 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
418 2001-07-24 Joel Sherrill <joel@OARcorp.com>
420 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
421 -Acpu and -Amachine.h.
422 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
423 Corrected header to say ELF not a.out.
424 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
425 when given -msoft-float.
427 2001-07-24 Joel Sherrill <joel@OARcorp.com>
429 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
430 extra multilib parts like arm-elf.
431 (i960-*-coff*, i960-*-rtems): Should not use collect2.
432 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
433 crtfini.o as extra multilib parts.
435 2001-07-24 Joel Sherrill <joel@OARcorp.com>
437 * configure.in: Add rtems as a supported thread model.
438 * gthr-rtems.h: Add missing entry point __gthread_active_p.
439 * configure: Rebuilt.
441 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
443 * stor-layout.c (get_mode_alignment): make it work when
444 BITS_PER_UNIT is not a power of two.
445 * builtins.c (get_pointer_alignment): Likewise.
447 2001-07-24 Richard Henderson <rth@redhat.com>
449 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
450 the retrieved constant into the expected mode.
452 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
454 * flow.c (try_simplify_condjump): Avoid duplicated edges.
455 (verify_flow_info): Check for duplicated edges; clarify
458 * flow.c (block_label): Update basic_block_for_insn.
459 (commit_edge_insertions): Call compute_bb_for_insn.
461 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
464 * flow.c (redirect_edge_and_branch,
465 try_optimize_cfg): Use redirect_edge_succ_nodup
466 (redirect_edge_succ_nodup): New.
467 * basic_block.h (redirect_edge_succ_nodup): Declare.
469 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
472 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
474 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
475 (try_crossjump_to_edge): Update commetns.
476 (try_crossjump_bb): Likewise.
478 2001-07-24 Richard Henderson <rth@redhat.com>
480 * combine.c (distribute_notes): Move set of need_refresh
481 for noop_move_p down to catch all cases.
483 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
485 * recog.c (split_all_insns_noflow): New.
486 * rtl.h (split_all_insns_noflow): Declare.
487 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
488 * m68hc11.c (m68hc11_reorg): Likewise.
489 * sh.c (machine_dependent_reorg): Likewise.
490 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
493 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
495 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
496 (ashlsi3_n splitter): Likewise.
497 (lshrsi3_n splitter): Likewise.
499 (GOTaddr2picreg): Make const SImode.
500 (sym_label2reg): Likewise.
501 (symGOT2reg): Likewise.
502 (symGOTOFF2reg) Likewise.
504 (casesi_worker_0): Make unspec SImode.
506 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
508 * config/sh/sh.c (barrier_align): Check that an operand really is
509 an insn before extracting its INSN_CODE.
511 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
513 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
516 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
517 for SImode to prevent overflow.
519 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
521 * config/mips/irix6-libc-compat.c: New file.
522 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
523 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
526 2001-07-24 lars brinkhoff <lars@nocrew.org>
528 * rtl.texi (REG_POINTER): Document.
529 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
530 QFmode, HFmode, TQFmode, QCmode, and HCmode.
532 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
534 * flow.c (delete_noop_moves): Do not confuse libcall regions.
536 2001-07-23 Richard Henderson <rth@redhat.com>
538 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
540 2001-07-23 Kazu Hirata <kazu@hxi.com>
542 * config/h8300/h8300-protos.h: Add a prototype for
543 general_operand_dst_push.
544 * config/h8300/h8300.c (general_operand_dst_push): New.
545 * config/h8300/h8300.h (OK_FOR_T): New.
546 (EXTRA_CONSTRAINT): Use it.
547 * config/h8300/h8300.md (movqi_push): Remove and integrate into
548 the existing movqi pattern.
549 (movhi_push): Likewise.
551 * reload.c: Fix comment typos.
553 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
555 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
557 2001-07-23 H.J. Lu (hjl@gnu.org)
559 * doc/extend.texi: Update __builtin_return_address and
560 __builtin_frame_address.
562 2001-07-23 Richard Henderson <rth@redhat.com>
564 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
566 * config/i386/i386.md: New setcc+movzbl peephole2.
568 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
570 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
571 * objc/objc-act.c: Include debug.h.
572 (synth_module_prologue): Save and restore debug hooks too.
574 2001-07-23 lars brinkhoff <lars@nocrew.org>
576 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
577 and C4X_FLOAT_FORMAT.
578 (BOOL_TYPE_SIZE): Document.
580 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
582 * unroll.c (loop_iterations): Fix miscalculation of initial
585 2001-07-13 Andrew Haley <aph@redhat.com>
587 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
588 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
589 * config/sh/sh.c (sh_can_redirect_branch): New function.
590 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
591 * reorg.c (steal_delay_list_from_target): Use
592 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
594 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
596 * flow.c (try_simplify_condjump): Unlink insn chain on
597 fallthru edge; use can_fallthru.
599 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
601 * basic-block.h (find_sub_basic_block): Declare.
602 * flow.c (make_edges): New arguments MIN and MAX;
603 (find_sub_basic_blocks): Revamp to use make_edges
604 and purge_dead_edges.
605 (find_basic_blocks): Update call of find_sub_basic_block.
607 * recog.c (split_all_insns): Always expect CFG to be consistent;
608 call find_sub_basic_blocks in case something has changed.
609 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
612 * basic-block.h (delete_noop_moves): Declare.
613 * combine.c (combine_instructions): Call it.
614 (recog_for_combine): Tolerate noop moves
615 (distribute_notes): Force refresh when register dies at noop move.
616 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
618 (life_analysis): Update delete_noop_moves call.
619 (set_noop_p): Move too ...
620 * rtlanal.c (noop_move_p): ... here.
621 * rtl.h (noop_move_p): Declare.
623 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
624 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
626 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
627 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
629 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
631 * reload.c (push_reload): Fix typo in comment.
632 (find_reloads_address): Ditto.
633 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
635 2001-07-22 Richard Henderson <rth@redhat.com>
637 * flow.c: Grammar check and clarify a lot of comments.
638 (try_simplify_condjump): Rename variables to be clearer.
639 (try_forward_edges): Skip complex and fallthru edges.
640 Rearrange tests to avoid duplicate checks.
641 (flow_find_cross_jump): Likewise.
642 (outgoing_edges_match): Allow match if neither branch has
643 probability data. Loosen probability match to 5%.
644 (try_crossjump_to_edge): Hoist repeated indirection into
646 (try_crossjump_bb): Don't check complex edges. Eliminate
647 redundant crossjump tests.
648 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
649 checks before more expensive checks.
651 2001-07-22 Richard Henderson <rth@redhat.com>
653 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
654 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
657 2001-07-22 Richard Henderson <rth@redhat.com>
659 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
660 (const_sint32_operand): Likewise.
661 * m68k.md (anon mulsi pattern): Use const_int_operand not
662 const_sint32_operand.
663 (umulsi3_highpart): Zero extend a constant input.
664 (smulsi3_highpart): Don't bother checking SImode constant.
665 (const_umulsi3_highpart): Give op3 DImode.
666 (const_smulsi3_highpart): Likewise.
668 2001-07-22 Richard Henderson <rth@redhat.com>
670 * flow.c (split_block): Make sure bb_note is included in the
671 new block when splitting before a label.
673 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
675 * basic-block.h (redirect_edge_and_branch_force,
676 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
677 * flow.c (redirect_edge_and_branch_force,
678 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
679 (redirect_edge_and_branch_force): Fix copying of lifeness information.
680 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
681 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
682 instead of label; update CFG after transformation.
683 (find_if_case_1): Update call, use redirect_edge_and_branch_force
684 for finishing the transformation; handle even case where ELSE
685 does not follow THEN.
686 (find_if_case_2): Update call of dead_or_predictable; simplify
689 * emit-rtl.c (split_branch_probability): New global variable.
690 (try_split): Take care to set split_branch_probability and
691 create REG_BR_PROB note for new jump insns.
692 * md.texi (define_split): Document new feature.
694 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
696 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
698 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
699 (asm_out_file): Remove redundant declaration.
700 (assemble_asm): Remove old #if 0 block.
701 (assemble_variable): Remove end of function; debug output is
702 now handled with global_decl. Remove old #if 0 block. Update.
703 Remove saved_in_section and associated no-op code.
704 * Makefile.in (varasm.o): Correct dependencies.
706 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
708 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
709 the definition in defaults.h.
711 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
713 * jump.c: Update comments.
714 (delete_barrier_successors, delete_unreferenced_labels,
715 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
716 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
717 jump_optimize, jump_optimize_minimal): Kill.
718 (rebuild_jump_labels): Move code from jump_optimize_1.
719 (purge_line_number_notes): Likewise.
720 (copy_loop_headers): Likewise.
721 * reg-stack.c: Update comment.
723 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
724 JUMP_AFTER_REGSCAN): Kill.
725 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
726 purge_line_number_notes and copy_loop_headers.
728 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
729 Richard Henderson <rth@redhat.com>
731 * dbxout.c (dbxout_global_decl): New.
732 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
733 * sdbout.c (sdbout_finish): New.
734 (sdbout_debug_hooks): Use it, add comments.
735 (sdbout_global_decl): Defer initialised public vars to
737 * varasm.c (assemble_variable): Don't output debug information
738 for file-scope variables.
740 2001-07-22 Richard Henderson <rth@redhat.com>
742 * config/alpha/alpha.c (get_trap_mode_suffix): New.
743 (get_round_mode_suffix): New.
744 (print_operand): Use them for [/]. Remove support for [&'`()+].
745 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
746 * config/alpha/alpha.md (attr round_suffix): New.
747 (attr trap_suffix): New.
748 (all insns): Set them appropriately. Use %/ instead of the
751 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
753 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
755 2001-07-22 Richard Henderson <rth@redhat.com>
757 * regrename.c (regrename_optimize): Compute nregs for each
758 potential target register.
760 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
761 Richard Henderson <rth@redhat.com>
763 * dbxout.c (dbxout_global_decl): New.
764 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
765 * sdbout.c (sdbout_finish): New.
766 (sdbout_debug_hooks): Use it, add comments.
767 (sdbout_global_decl): Defer initialised public vars to
769 * varasm.c (assemble_variable): Don't output debug information
770 for file-scope variables.
772 2001-07-21 H.J. Lu (hjl@gnu.org)
774 * config/mips/mips.c (mips_cpu): Moved into ...
775 (override_options): Here.
777 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
781 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
783 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
784 ("iorqi3"): Likewise.
785 ("xorqi3"): Likewise.
786 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
787 ("*subhi3_sp): Likewise.
788 ("*subhi3"): Likewise.
789 ("extendhisi2"): Accept D, X and Y as source operand to avoid
792 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
794 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
795 * config/freebsd.h: Likewise.
796 * config/linux.h: Likewise.
797 * config/openbsd.h: Likewise.
798 * config/alpha/linux-elf.h: Likewise.
799 * config/arm/linux-elf.h: Likewise.
800 * config/d30v/d30v.h: Likewise.
801 * config/fr30/fr30.h: Likewise.
802 * config/ia64/aix.h: Likewise.
803 * config/ia64/ia64.h: Likewise.
804 * config/mips/linux.h: Likewise.
805 * config/pj/pj.h: Likewise.
806 * config/rs6000/linux.h: Likewise.
807 * config/sparc/linux.h: Likewise.
808 * config/sparc/linux64.h: Likewise.
810 2001-07-20 Bruce Korb <bkorb@gnu.org>
812 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
813 because getc() and char* may disagree on signedness.
815 2001-07-20 Richard Henderson <rth@redhat.com>
817 * doc/rtl.texi (REG_DEAD): Update for current semantics.
819 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
820 insns to delete in the presence of cc0 in a jump insn.
822 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
823 Jan Hubicka <jh@suse.cz>
825 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
826 of doing the change by hand.
828 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
830 * rtlanal.c (set_noop_p): Return true for noop jumps.
832 * expr.c (emit_single_push_insn): Add call to push expander.
833 * expr.h (optab_index): Add OTI_push
834 (push_optab): New constant.
835 * genopinit.c (optabs): Add push_optab.
836 * optabs.c (init_optab): Init push optab.
837 * md.texi (push??1): Document
839 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
841 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
842 expand to emit the pattern; put a REG_INC note for push/pop
844 ("movdf", "movdf_internal"): Likewise.
845 ("movsi", "movsi_internal"): Likewise.
846 ("movsf", "movsf_internal"): Likewise.
847 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
849 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
851 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
854 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
856 * params.def: Change default max inline insns to 100.
858 2001-07-20 Diego Novillo <dnovillo@redhat.com>
860 * combine.c (combine_simplify_rtx): Generate a new shift operation
861 when simplifying the first operand of a (neg (ashift)) expression.
863 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
865 * regclass.c (N_REG_INTS): Use only 32 bits per element.
867 2001-07-20 Kelley Cook <kelley.cook@home.com>
869 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
870 information. Move rest into ...
871 (*-*-solaris): ... here. Eliminate redundant information and
872 reword necessary packages section. Delete 4.x assembler bug info.
873 (sparc-sun-*): Merge into ...
874 (sparc-sun-sunos*): here.
876 2001-07-20 Catherine Moore <clm@redhat.com>
878 * config/v850/v850.md (casesi): Generate LABEL_REF
881 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
883 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
884 * i386.c (ix86_zero_extend_to_Pmode): Make global.
885 * i386.md (strclrsi expander): Use it.
887 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
889 * integrate.c (copy_insn_list): handle
890 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
891 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
892 identically as to CODE_LABEL.
894 * fold-const (fold): Convert A/B/C to A/(B*C) and
897 * except.c (connect_post_landing_pads): Delete the RESX insns.
899 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
901 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
903 * config/mips/mips.md (nmadd/nmsub): Use macro.
905 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
907 * cppinit.c (remove_dup_dir): Make static.
908 (remove_dup_dirs): Make static. Only warn about preempting a
909 system directory with a non-system directory.
911 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
913 * ifcvt.c (noce_try_store_flag_constants): Correct order
914 of parameters to trunc_int_for_mode.
916 2001-07-19 Mark Mitchell <mark@codesourcery.com>
918 * reorg.c (fill_simple_delay_slots): If an instruction might throw
919 an exception that will be caught within this function, do not fill
920 its delay slot with any subsequent instruction.
922 2001-07-19 Steve Ellcey <sje@cup.hp.com>
924 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
925 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
926 pointer extension instruction.
927 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
928 * simplify-rtx.c (simplify_unary_operation) Likewise.
929 * explow.c (convert_memory_address) Check value of
930 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
932 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
933 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
934 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
935 Add Multilib Support.
936 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
937 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
938 Add Multilib Support.
939 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
941 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
942 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
943 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
945 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
947 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
948 old and new operands in `<', `3' and `b'.
950 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
952 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
953 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
954 (toplev.o): Don't depend on xcoffout.h.
955 * c-decl.c: Include debug.h
956 (duplicate_decls): Use debug hook.
957 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
958 (dbx_debug_hooks, xcoff_debug_hooks): Update.
959 (dbxout_types): Remove.
960 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
961 * debug.c (do_nothing_debug_hooks): Update.
962 (debug_true_tree, debug_nothing_rtx): New.
963 * debug.h (struct rtx_def): New.
964 (struct gcc_debug_hooks): New hooks ignore_block,
965 outlining_inline_function and label.
966 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
967 dwarf2out_frame_finish): New.
968 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
969 Make static, update prototype.
970 (dwarf2_debug_hooks): Update.
971 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
972 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
973 * dwarfout.c (dwarf_debug_hooks): Update.
974 * emit-rtl.c: Include debug.h.
975 (remove_unnecessary_notes): Use debug hook.
976 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
977 (final_scan_insn): Use debug hook.
978 * integrate.c (output_inline_function): Use debug hook.
979 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
980 (sdb_debug_hooks): Update.
981 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
982 * toplev.c: Don't include xcoffout.h.
983 (note_outlining_of_inline_function, debug_ignore_block): Remove.
984 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
986 * tree.h (dwarf2out_do_frame): Remove.
988 2001-07-19 Catherine Moore <clm@cygnus.com>
990 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
992 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
994 * reload1.c (eliminate_regs_in_insn): When updating a set
995 to the frame pointer to the hardware frame pointer, perform
996 the update always not just when REPLACE is set.
998 * reload1.c (choose_reload_regs): Don't inherit a reload
999 that crosses multiple registers if registers past the first
1000 don't fit in the desired class.
1002 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
1003 when negating constants.
1005 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
1007 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
1008 * doc/tree.texi: Ditto.
1010 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
1011 Jakub Jelinek <jakub@redhat.com>
1013 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
1014 (extract_cie_info): Handle "eh" augmentation properly,
1016 (struct frame_state, __frame_state_for): New.
1018 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1020 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
1021 HANDLE_SYSV_PRAGMA): Define.
1022 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
1024 (copy_object): Caller changed.
1026 2001-07-19 Andreas Schwab <schwab@suse.de>
1028 * configure.in (assembler dwarf2 debug_line support): Define nop
1030 * configure: Regenerated.
1032 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
1034 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
1036 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
1037 to conditionally compiled block.
1038 (dbx_debug_hooks, xcoff_debug_hooks): Update.
1039 * dbxout.h (dbxout_function): Remove.
1040 * debug.c (do_nothing_debug_hooks): Update.
1041 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
1042 global_decl, deferred_inline_function.
1043 * dwarf2out.c (dwarf2_debug_hooks): Update.
1044 (dwarf2out_global_decl): New.
1045 * dwarfout.c: Don't include dwarfout.h.
1046 (dwarfout_global_decl, dwarfout_function_decl,
1047 dwarfout_deferred_inline_function): New.
1048 (dwarf_debug_hooks): Update.
1049 * dwarfout.h: Remove.
1050 * final.c: Don't include dwarfout.h.
1051 * sdbout.c (sdbout_global_decl): New.
1052 (sdbout_debug_hooks): Update.
1053 * toplev.c: Don't include dwarfout.h.
1054 (check_global_declarations, rest_of_compilation): Use new debug hooks.
1055 (note_deferral_of_defined_inline_function): Remove.
1056 * toplev.h (note_deferral_of_defined_inline_function): Remove.
1057 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
1058 * ch/lex.c: Don't include dwarfout.h.
1059 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
1060 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
1061 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
1062 * cp/optimize.c: Include debug.h.
1063 (maybe_clone_body): Use debug hook.
1064 * cp/semantics.c: Include debug.h.
1065 (expand_body): Use debug hook.
1066 * po/POTFILES.in: Remove dwarfout.h.
1068 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
1070 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
1071 * c-parse.in (yyerror, _yylex): Similarly.
1072 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
1073 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
1075 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
1076 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
1078 2001-07-18 Jeff Sturm <jsturm@one-point.com>
1080 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
1081 in-class declaration at -g1. Fixes c++/2814.
1083 2001-07-18 Richard Henderson <rth@redhat.com>
1085 * doc/md.texi (reload_in/out): Document restrictions in predicates
1086 and constraints for these patterns. Document empty string matching
1089 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1091 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
1093 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1095 * cse.c: Undo my previous patch.
1097 2001-07-18 Tom Tromey <tromey@redhat.com>
1100 * configure: Rebuilt.
1101 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
1103 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
1105 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
1106 Jan Hubicka <jh@suse.cz>
1108 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
1109 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
1110 * jump.c (mark_jump_label): Do not forward branches.
1112 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
1114 * cse.c (delete_trivially_dead_insns): Delete the libcall block
1115 when return value is unused.
1117 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1119 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
1121 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
1123 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
1124 on error. We can't blindly return the result of
1125 pthread_mutex_trylock because it returns a positive number on
1126 error, while we must return -1 on error.
1127 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
1129 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
1131 2001-07-18 Andreas Jaeger <aj@suse.de>
1133 * integrate.c (output_inline_function): Correct type of debug_hooks.
1135 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
1137 * combine.c (combine_simplify_rtx): DIV can be treated
1138 associatively for floats if unsafe math optimisations are enabled.
1140 2001-07-17 Richard Henderson <rth@redhat.com>
1142 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
1144 2001-07-17 Richard Henderson <rth@redhat.com>
1146 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
1147 don't force the function address into a register.
1148 (expand_call, emit_library_call_value_1): Update callers.
1149 * builtins.c (expand_builtin_apply): Likewise.
1150 * expr.h (prepare_call_address): Update decl.
1152 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
1154 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
1156 * config/i386/chorus.h: Move up.
1157 * config/sparc/chorus.h: Likewise.
1158 * config/rs6000/chorus.h: Likewise.
1159 * config/chorus.h: Moved here.
1161 2001-07-17 Andreas Schwab <schwab@suse.de>
1163 * configure.in (assembler eh_frame optimization): Handle big
1165 * configure: Regenerated.
1167 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
1169 * expr.c (epxand_expr): Convert divisions into multiplications by
1170 reciprocals if -ffast-math.
1172 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
1174 * dbxout.c (dbxout_really_begin_function): Rename to
1175 dbxout_begin_function.
1176 (dbx_debug_hooks, xcoff_debug_hooks): Update.
1177 (dbxout_begin_function): Remove.
1178 (dbxout_function): Update.
1179 (dbxout_source_line): Update prototype.
1180 * dbxout.h (dbxout_begin_function): Remove.
1181 * debug.c (do_nothing_debug_hooks): Update.
1182 (debug_nothing_tree): Update.
1183 (debug_nothing_charstar_rtx): Remove.
1184 * debug.h (union tree_node): Declare.
1185 (struct rtx_def): Remove.
1186 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
1187 begin_function. Change source_line prototype.
1188 (debug_nothing_tree): New.
1189 (debug_nothing_charstar_rtx): Delete.
1190 (dwarf2out_begin_prologue): Moved from ...
1192 * dwarf2out.c (dwarf2_debug_hooks): Update.
1193 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
1194 debug info, call dwarf2out_source_line.
1195 (dwarf2out_souce_line): Update prototype.
1196 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
1197 Change prototype, make static.
1198 (dwarfout_source_line): Update prototype.
1199 (dwarf_debug_hooks): Update.
1200 * dwarfout.h (dwarfout_begin_function): Remove.
1201 * final.c (final_start_function, final_scan_insn): Use appropriate
1202 debug hooks, update to use notice_source_line.
1203 (output_source_line): Rename notice_source_line. Don't call the
1204 source_line debug hook.
1205 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
1206 make static, update prototype.
1207 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
1209 (sdbout_end_prologue): New.
1210 (sdbout_source_line): Update prototype.
1211 (sdbout_debug_hooks): Update.
1212 (sdbout_symbol): Remove unused var.
1213 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
1215 * varasm.c: Include debug.h.
1216 (assemble_start_function): Use begin_function debug_hook.
1217 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
1218 update with prototype.
1219 (xcoffout_source_line): Update prototype.
1220 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
1222 (xcoffout_source_line): Update prototype.
1224 2001-07-17 Richard Henderson <rth@redhat.com>
1226 * c-typeck.c (build_binary_op): Do not shorten unsigned
1227 right shift after sign extension.
1229 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
1231 * combine.c (combine_simplify_rtx): Attempt to simplify
1232 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
1234 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
1235 (simplify_binary_operation, simplify_unary_operation,
1236 simplify_relational_operation): Use it.
1238 * combine.c (combine_simplify_rtx): Don't do associative law
1239 on divisions; allow associative law on floats.
1241 2001-07-17 H.J. Lu <hjl@gnu.org>
1242 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1244 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
1245 ASM_OUTPUT_WEAK_ALIAS are defined.
1246 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
1247 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
1249 * config/mips/iris5.h: ... here.
1250 (HANDLE_SYSV_PRAGMA): Defined as 1.
1251 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
1252 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
1255 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
1257 * c-parse.in (all_prefix_attributes): New variable.
1258 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
1259 (maybe_resetattrs): New production.
1260 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
1261 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
1262 notype_initdcl, nested_function, notype_nested_function,
1263 component_decl, components, components_notype,
1264 component_declarator, component_notype_declarator,
1265 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
1266 ivars, mydecl, myparm): Update. Avoid prefix attributes just
1267 after a comma being applied to more than one declarator.
1268 * doc/extend.texi (Attribute Syntax): Update. Remove
1269 documentation of bugs that are no longer present.
1271 2001-07-13 Eric Christopher <echristo@redhat.com>
1273 * config/mips/mips.h: Change TUNE_MIPS* options to use
1275 (EXTRA_SPECS): Add cc1_cpu_spec.
1276 * config/mips/mips.md (muldf3): Fix typo.
1278 2001-07-16 Richard Henderson <rth@redhat.com>
1280 * config/m68k/m68k.c: Include expr.h and reload.h.
1281 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
1282 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
1284 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
1285 Richard Henderson <rth@redhat.com>
1287 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
1288 (insn_live_p): Fix fall off end of function.
1289 (dead_libcall_p): Remove COUNTS argument; update callers.
1290 (delete_trivially_dead_insns): Remove unused variables.
1292 2001-07-17 Andreas Jaeger <aj@suse.de>
1294 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
1297 * lcm.c (optimize_mode_switching): Avoid warning for unused
1298 variable if !NORMAL_MODE.
1300 * flow.c (try_crossjump_to_edge): Remove unused variable.
1302 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
1304 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
1305 atexit declaration in stdlib.h.
1307 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
1309 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
1311 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1313 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
1314 * except.c (finish_eh_generation): Update call of cleanup_cfg;
1315 do rebuild_jump_labels instead of jump_optimize
1316 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
1317 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
1318 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
1320 * flow.c: Include timevar.h
1321 (find_basic_block): Push/pop timevar;
1322 (cleanup_cfg): Likewise.
1323 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
1324 * Makefile: Add dependencies on timevar.h
1326 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
1327 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
1329 * rtl.h (delete_trivially_dead_insns): Add new parameter.
1330 * toplev.c (rest_of_compilation): Update calls.
1331 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
1332 (delete_trivially_dead_insns): ... here; accept new argument
1333 preserve_basic_blocks; preserve basic blocks if set.
1335 * reg-stack.c (stack_regs_mentioned): Return 0 if
1336 stack_regs_mentioned_data is not initialized.
1337 (reg_to_stack): Make stack_regs_mentioned survive after the
1338 reg-stack is completted; do not call cleanup_cfg.
1339 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
1340 make cleanup_cfg after bb-reorder to output to debug file.
1342 2001-07-16 Richard Henderson <rth@redhat.com>
1344 * regclass.c (init_reg_sets): Use only 32 bits per initializer
1345 from int_reg_class_contents.
1347 2001-07-16 Richard Henderson <rth@redhat.com>
1349 * hard-reg-set.h (regs_invalidated_by_call): Declare.
1350 * regclass.c (regs_invalidated_by_call): Move from cse.c.
1351 (init_reg_sets_1): Move initialization from cse_main.
1352 * cse.c (regs_invalidated_by_call): Move to regclass.c.
1353 (cse_main): Move its initialization also.
1354 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
1355 * flow.c (propagate_one_insn): Likewise.
1356 * gcse.c (compute_hash_table): Likewise.
1357 (compute_kill_rd, compute_store_table): Likewise.
1358 * sched-deps.c (sched_analyze_1): Likewise.
1360 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
1362 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
1365 2001-07-16 Steve Ellcey <sje@cup.hp.com>
1367 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
1368 in if statement so we don't access undefined memory.
1370 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
1372 * gcse.c: Update comment at top.
1373 Update comment on mem handling.
1374 mem_last_set, mem_first_set, mem_set_in_block: gone.
1375 Declaration of reg_set_info: gone.
1376 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
1377 pointless with load_killed_in_block_p (they are *more*
1378 conservative then it, not less, and less accurate).
1379 (oprs_not_set_p): Ditto.
1380 (alloc_gcse_mem): Don't allocate mem_set_in_block
1381 (free_gcse_mem): Don't free it, either.
1382 (record_last_mem_set_info): Update comment in front, remove
1383 mem_*set_* stuff. Note the reason we don't handle stores directly
1385 (compute_hash_table): Update comments to reflect reality. Remove
1386 mem_*set_* references.
1387 (reset_opr_set_tables): Remove mem_*set_* references.
1389 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
1390 (mark_clobber): Ditto (on both parts, we double set here too).
1391 (expr_killed_p): Remove mem_set_in_block test.
1392 (compute_transp): Remove mem_set_in_block test.
1394 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
1395 of edge, and removal of phi alternative to dump file.
1396 (ssa_ccp_substitute_constants): Add note about register now being
1397 constant, and which uses were replaced in what insns to dump file.
1399 2001-07-16 Andreas Jaeger <aj@suse.de>
1401 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
1402 variables of type HOST_WIDEST_INT.
1404 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
1405 (__bb_exit_func): Correct type of count_max to avoid overflow.
1406 (num_digits): Handle long long argument.
1408 * combine.c (gen_lowpart_for_combine): Remove unused variable.
1410 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1412 * output.h (sdb_begin_function_line): Restore as an extern
1414 * sdbout.c (sdb_begin_function_line): Make extern.
1416 2001-07-15 Richard Henderson <rth@redhat.com>
1418 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
1419 * genrecog.c (maybe_both_true_mode): New.
1420 (maybe_both_true_2): Use it.
1421 (write_switch): Don't put Pmode in a switch.
1422 * rtl.c (mode arrays): Don't explicitly size them.
1424 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1426 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
1427 handling; move unconditional splitting before mode switching.
1429 * i386.md (type): Add fistp type.
1430 (i387, length_attr, scheduling definitions): Handle this type.
1431 (fix_trunc?f?i2): Revamp to use mode switching.
1432 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
1433 * i386.h (fp_cw_mode): New enum
1434 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
1435 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
1437 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1439 * Makefile.in (integrate.o): Add debug.h.
1440 * integrate.c (debug.h): Add.
1441 (output_inline_function): Save, reset, and restore debug_hooks.
1443 2001-07-15 Richard Henderson <rth@redhat.com>
1445 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
1446 instead of COMPARE for the EQUIV expression.
1448 2001-07-15 Richard Henderson <rth@redhat.com>
1450 * flow.c (redirect_edge_and_branch_force): Initialize
1451 global_live_at_start and global_live_at_end.
1452 (allocate_bb_life_data): Export.
1453 * basic-block.h (allocate_bb_life_data): Declare.
1454 * toplev.c (rest_of_compilation): Call it.
1456 2001-07-15 Richard Henderson <rth@redhat.com>
1458 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
1459 (alpha_tablejump_best_label): New.
1460 * config/alpha/alpha-protos.h: Declare them.
1461 * config/alpha/alpha.md: Use braced strings for code blocks.
1462 (tablejump_osf): Break out add with r29.
1463 (tablejump_osf_internal): Remove.
1464 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
1465 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
1467 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
1469 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
1472 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
1474 * i386-protos.h (ix86_split_fp_branch): Update prototype.
1475 (ix86_fp_jump_nontrivial_p): New.
1476 * i386.md (fp_jcc_?): Update call of split_fp_branch;
1477 use ix86_fp_jump_nontrivial_p.
1478 * i386.c (ix86_fp_jump_nontrivial_p): New.
1479 (ix86_split_fp_branch): Accept code instead of rtx.
1480 (ix86_expand_compare): Expand comparison early in case
1481 doing so is resonably cheap.
1483 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
1485 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
1487 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
1488 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
1490 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
1492 * dbxout.c (dbxout_source_line): Make static, update prototype.
1493 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
1494 (dbxout_init, dbxout_finish, dbxout_source_line,
1495 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
1496 * dbxout.h (dbxout_source_line): Delete.
1497 * debug.c (debug_nothing_file, debug_nothing_file_int,
1498 debug_nothing_file_charstar_rtx): New.
1499 (do_nothing_debug_hooks): Update.
1500 (debug_nothing_void, debug_nothing_charstar_rtx,
1501 dwarf2out_end_epilogue): New.
1502 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
1503 * debug.h (struct rtx_def): Declare.
1504 (gcc_debug_hooks): New hooks source_line, end_epilogue
1506 (debug_nothing_void, debug_nothing_charstar_rtx,
1507 dwarf2out_end_epilogue): New.
1508 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
1509 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
1510 (dwarf2_debug_hooks): Update.
1511 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
1512 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
1513 * dwarf2out.h (dwarf2out_source_line): Remove.
1514 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
1515 Make static, update prototype.
1516 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
1517 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
1518 (dwarf_debug_hooks): Update.
1519 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
1520 dwarfout_end_function): Remove.
1521 * final.c (profile_function): Use debug hooks for ending functions
1523 (output_source_line, final_end_function): Update prototype,
1525 (final_start_function, final_scan_insn): Update.
1526 * output.h (sdb_begin_function_line): Remove.
1527 (final_end_function): Update prototype.
1528 * sdbout.c (sdb_begin_function_line): Make static.
1529 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
1530 (sdbout_source_line): New.
1531 (sdbout_end_epilogue, sdbout_end_function): Make static, update
1533 (sdb_debug_hooks): Update.
1534 (sdbout_init, sdbout_source_line,
1535 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
1536 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
1537 * toplev.c (compile_file, rest_of_compilation): Update.
1538 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
1539 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
1540 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
1541 Update for prototype changes.
1542 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
1543 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
1545 2001-07-15 Richard Henderson <rth@redhat.com>
1547 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
1548 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
1549 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
1550 * config/alpha/alpha.c: Likewise.
1551 * config/alpha/alpha.md: Likewise.
1552 * config/alpha/alpha32.h: Likewise.
1553 * config/alpha/vms.h: Likewise.
1556 2001-07-14 Richard Henderson <rth@redhat.com>
1558 * config/alpha/alpha.md: Use define_constants for unspec values.
1559 Substitute throughout.
1561 2001-07-14 Tim Josling <tej@melbpc.org.au>
1563 * tree.def (EXPON_EXPR) remove. Never supported anyway.
1565 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
1567 * pa.md: Remove unused constraints from define_split's.
1569 2001-04-14 Richard Henderson <rth@redhat.com>
1571 * ifcvt.c (find_cond_trap): Test for exit block.
1573 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
1575 Re-install recently reverted patch.
1576 * emit-rtl.c (try_split): Update mark_jump_label call.
1577 * flow.c (find_sub_basic_blocks): Likewise.
1578 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
1580 (mark_all_labels): Kill second parameter.
1581 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
1582 (rebuild_jump_labels, jump_optimize_minimal): Update call
1584 (jump_optimize_1): Kill crossjumping code.
1585 (mark_jump_label): Kill cross_jump parameter.
1586 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
1587 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
1588 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
1590 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
1592 (dump_file_info): Likewise.
1593 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
1594 reorganize passes to do reg-stack first, bb-reorder second.
1595 * invoke.texi (-d letters doc): Remove the jump2 pass.
1597 2001-07-14 Richard Henderson <rth@redhat.com>
1599 * ifcvt.c (find_cond_trap): New.
1600 (find_if_header): Call it.
1601 (merge_if_block): Relax existing jump sanity check.
1602 * jump.c (jump_optimize_1): Remove conditional trap handling.
1604 2001-07-14 Alan Modra <amodra@bigpond.net.au>
1606 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
1608 (insn_refs_are_delayed): Correct comment.
1609 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
1610 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
1611 instead of r31. Make associated insn !TARGET_64BIT, and
1612 provide an additional 64-bit insn that clobbers r2.
1614 (udivsi3): Likewise.
1616 (umodsi3): Likewise.
1618 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
1620 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
1622 * flow.c (redirect_edge_and_branch_force, split_edge,
1623 try_crossjump_to_edge): Use set_block_for_new_insns.
1624 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
1626 2001-07-13 H.J. Lu (hjl@gnu.org)
1628 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
1631 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
1633 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
1635 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
1637 * c-common.c (decl_attributes): Take a pointer to the node to
1638 which attributes are to be attached, and a flags argument.
1639 * c-common.h (enum attribute_flags): New.
1640 (decl_attributes): Update prototype.
1641 * c-decl.c (start_decl, push_parm_decl, finish_struct,
1642 finish_enum, start_function): Update calls to decl_attributes.
1643 * c-parse.in (component_declarator, component_notype_declarator,
1644 label): Update calls to decl_attributes.
1646 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
1648 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
1649 * config/avr/avr.c (legitimate_address_p): Return value changed
1650 from letter to register classes. For better debugging.
1652 2001-07-13 Kazu Hirata <kazu@hxi.com>
1654 * jump.c (reversed_comparison_code_parts): Fix comment typos.
1656 2001-07-13 H.J. Lu (hjl@gnu.org)
1658 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
1660 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
1662 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
1663 correctly for shared configurations.
1664 * config/t-libgcc-pic: New.
1665 * config/{i386,m68k,sparc}/t-openbsd: New.
1666 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
1667 Support -shared. Support debugging libraries with -g.
1668 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
1669 frame information does not emit pointer diffs.
1670 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
1673 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
1675 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
1677 2001-07-13 David Edelsohn <edelsohn@gnu.org>
1679 * combine.c (try_combine): Ensure const_int pow2 is positive.
1681 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
1683 * config.gcc: Add configuration for s/390.
1684 * config/s390/s390.c: New. Subroutines for code generation.
1685 * config/s390/s390.h: New. Definitions for s/390.
1686 * config/s390/s390-protos.h: New. Prototypes.
1687 * config/s390/linux.h: New. Definitions for linux for s/390.
1688 * config/s390/linux64.h: New. Definitions for linux for zSeries.
1689 * config/s390/t-linux: New. Makefile fragment.
1690 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
1691 * config/s390/fixdfdi.h: New. Fix L_fix*di.
1693 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
1695 * emit-rtl.c (try_split): Update mark_jump_label call.
1696 * flow.c (find_sub_basic_blocks): Likewise.
1697 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
1699 (mark_all_labels): Kill second parameter.
1700 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
1701 (rebuild_jump_labels, jump_optimize_minimal): Update call
1703 (jump_optimize_1): Kill crossjumping code.
1704 (mark_jump_label): Kill cross_jump parameter.
1705 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
1706 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
1707 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
1709 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
1711 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
1712 reorganize passes to do reg-stack first, bb-reorder second.
1713 * invoke.texi (-d letters doc): Remove the jump2 pass.
1715 2001-07-12 Steve Ellcey <sje@cup.hp.com>
1717 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
1719 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1721 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
1723 (verify_flow_info): Make diagnostics prettier.
1725 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1727 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
1729 * flow.c (outgoing_edges_match): Return early if condition reversal
1732 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
1734 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
1735 (mips_move_2words): When splitting a move into two instructions,
1736 prefix the second address operand with '%D'.
1738 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
1740 * Makefile.in (final.o): Depend on debug.h.
1741 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
1742 (dbx_debug_hooks): Add new hooks.
1743 (xcoff_debug_hooks): New.
1744 * debug.c (debug_nothing_file_int_int): New.
1745 (do_nothing_debug_hooks): Update.
1746 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
1747 (debug_nothing_file_int_int): New.
1748 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
1749 static, update prototype.
1750 (dwarf2_debug_hooks): Update.
1751 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
1752 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
1753 static, update prototype.
1754 (dwarf_debug_hooks): Update.
1755 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
1756 * final.c: Include debug.h.
1757 (final_scan_insn): Use debug hooks when beginning and ending blocks.
1758 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
1759 static, update prototype.
1760 (sdb_debug_hooks): Update.
1761 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
1762 * toplev.c: Distinguish between xcoff and dbx.
1764 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
1765 Call all debug hooks, not just dwarf ones.
1767 2001-07-11 Timothy Wall <twall@redhat.com>
1769 * config.gcc: Add configuration for AIX5/IA64.
1770 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
1771 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
1772 support prefix/suffix code.
1773 * config/ia64/t-aix: New. Makefile fragment.
1774 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
1776 2001-07-11 Kazu Hirata <kazu@hxi.com>
1778 * recog.c (validate_change): Fix a comment typo.
1780 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
1782 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
1783 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
1785 * dbxout.c (dbx_debug_hooks): Add new hooks.
1786 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
1788 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
1790 * dbxout.h (dbxout_start_new_source_file,
1791 dbxout_resume_previous_source_file): Delete.
1792 * debug.c (do_nothing_debug_hooks): Add new hooks.
1793 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
1794 (debug_nothing_int_charstar, debug_nothing_int): New.
1795 * debug.h (gcc_debug_hooks): New hooks define, undef,
1796 start_source_file and end_source_file.
1797 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
1798 (debug_nothing_int_charstar, debug_nothing_int): New.
1799 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
1800 the conditionally compiled section.
1801 (dwarf2out_start_source_file, dwarf2out_end_source_file,
1802 dwarf2out_define, dwarf2out_undef): Make static.
1803 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
1804 dwarf2out_define, dwarf2out_undef): Remove.
1805 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
1806 (dwarfout_start_source_file, dwarfout_end_source_file,
1807 dwarfout_define, dwarfout_undef): Make static.
1808 (dwarfout_start_source_file_check,
1809 dwarfout_end_source_file_check): New.
1810 (dwarfout_define, dwarfout_finish): Update.
1811 * dwarfout.h (dwarfout_start_new_source_file,
1812 dwarfout_resume_previous_source_file, dwarfout_define,
1813 dwarfout_undef): Remove.
1814 * sdbout.c (sdb_debug_hooks): Add new hooks.
1815 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
1817 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
1818 make static, take an arg.
1819 * sdbout.h (sdbout_start_new_source_file,
1820 sdbout_resume_previous_source_file): Delete.
1821 * toplev.c (debug_start_source_file, debug_end_source_file,
1822 debug_define, debug_undef): Delete.
1823 * toplev.h (debug_start_source_file, debug_end_source_file,
1824 debug_define, debug_undef): Delete.
1826 * java/jcf-parse.c: Include debug.h.
1827 (parse_class_file): Update to use debug hooks directly.
1828 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
1830 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1832 * alias.c (set_mem_alias_set): New function.
1833 * rtl.h (set_mem_alias_set): Declare it.
1834 * builtins.c (expand_builtin_return_addr): Call it instead of
1835 using MEM_ALIAS_SET accessor.
1836 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
1837 (get_memory_rtx, expand_builtin_va_arg): Likewise.
1838 (expand_builtin_va_copy):Likewise.
1839 * caller-save.c (setup_save_areas): Likewise.
1840 * calls.c (compute_argument_addresses): Likewise.
1841 * explow.c (set_mem_attributes): Likewise.
1842 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
1843 (expand_assignment, store_constructor_field, store_field): Likewise.
1844 (expand_expr_unaligned): Likewise.
1845 * function.c (assign_stack_temp_for_type): Likewise.
1846 (put_reg_into_stack, gen_mem_addressof): Likewise.
1847 * ifcvt.c (noce_try_cmove_arith): Likewise.
1848 * reload1.c (reload, alter_reg): Likewise.
1849 * config/alpha/alpha.c (get_aligned_mem): Likewise.
1850 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
1851 (alpha_expand_unaligned_store): Likewise
1852 (alpha_expand_unaligned_load_words): Likewise.
1853 (alpha_expand_unaligned_store_words): Likewise.
1854 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
1855 (alpha_expand_epilogue): Likewise.
1856 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
1857 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
1858 * config/i386/i386.c (legitimize_pic_address): Likewise.
1859 * config/i960/i960.c (setup_incoming_varargs): Likewise.
1860 * config/ia64/ia64.c (spill_restore_mem): Likewise.
1861 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
1862 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
1863 * config/mips/mips.c (mips_va_arg): Likewise.
1864 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
1865 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
1866 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
1867 (setup_incoming_varargs, rs6000_va_arg): Likewise.
1868 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
1869 (rs6000_emit_epilogue): Likewise.
1870 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
1871 * config/sparc/sparc.c (sparc_va_arg): Likewise.
1872 * config/v850/v850.c (v850_va_arg): Likewise.
1874 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
1876 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
1877 when fallthru edge is present.
1878 (mege_blocks): Handle case where creation of jump insn
1881 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
1882 CLEANUP_POST_REGSTACK): New constants.
1883 * except.c (finish_eh_generation): Update call of cleanup_cfg,
1884 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
1885 * output.h (cleanup_cfg): Update prototype.
1886 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
1887 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
1888 cleanup_cfg call; kill missleading comment.
1889 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
1890 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
1891 parameter; control optimizations performed using it.
1892 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
1893 try_crossjump_bb): New functions.
1895 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
1897 * pa.c (pa_output_function_prologue): Delete prototype. Make function
1899 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
1900 pa_output_function_prologue.
1901 * pa-protos.h (pa_output_function_prologue): New prototype.
1903 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
1905 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
1906 and low to get correct sign extension in low+high test.
1908 2001-07-11 Janis Johnson <janis@us.ibm.com>
1910 * gcov.c (arcdata): Use gcov_type to fix branch percentage
1911 for large hit count.
1913 * profile.c (branch_prob): Fix .bbg info for computed gotos
1916 2001-07-11 Mark Mitchell <mark@codesourcery.com>
1918 * stmt.c (parse_output_constraint): New function, split out
1920 (expand_asm_operands): ... here. Use parse_output_constraint.
1921 * tree.h (parse_output_constraint): Declare it.
1923 2001-07-11 Richard Henderson <rth@redhat.com>
1925 * bitmap.c: Comment some functions; fiddle whitespace.
1926 (bitmap_free): Don't export.
1927 (bitmap_element_allocate): Use memset.
1928 * bitmap.h (bitmap_free): Don't declare.
1930 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
1932 * gcse.c, lcm.c, sched-deps.c:
1933 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
1935 * flow.c (flow_loops_find): Free dom if we found no loops, since
1936 we aren't going to save it.
1938 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
1941 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
1943 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
1945 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1947 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
1948 #ifndef DWARF2_DEBUGGING_INFO.
1950 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
1952 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
1954 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
1956 * config/mips/mips.c (gen_int_relational): Tell the caller not to
1957 reverse a branch if a NE comparison is implemented with GTU.
1959 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
1960 H.J. Lu <hjl@gnu.org>
1962 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
1964 (call_internal2): Likewise.
1965 (call_value_internal1): Likewise.
1966 (call_value_internal2): Likewise.
1967 (call_value_multiple_internal1): Likewise.
1968 (call_value_multiple_internal2): Likewise.
1970 2001-07-10 Kazu Hirata <kazu@hxi.com>
1972 * calls.c (emit_library_call_value_1): Fix a comment typo.
1973 * dwarf2out.c (mem_loc_descriptor): Likewise.
1974 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
1976 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
1978 * simplify-rtx.c (simplify_subreg): Fix typo in comment
1980 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1982 * recog.c (offsettable_address_p): Handle LO_SUM case.
1983 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
1984 instead of plus_constant.
1986 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1988 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
1989 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
1991 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1993 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
1994 adjust_address_nv instead of plus_constant.
1996 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
1998 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
1999 dwarf2out.o): Depend on debug.h, wrap long lines.
2000 * dbxout.c: Include debug.h.
2001 (dbx_debug_hooks): New.
2002 (dbxout_init): Make static, take just 2 args.
2003 (dbxout_finish): Make static.
2004 * dbxout.h (dbxout_init, dbxout_finish): Delete.
2005 * debug.c: New file.
2006 * debug.h: New file.
2007 * dwarf2out.c: Include debug.h.
2008 (dwarf2_debug_hooks): New.
2009 (dwarf2out_init): Make static.
2010 (dwarf2out_finish): Make static, take 2 args.
2011 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
2012 * dwarfout.c: Include debug.h.
2013 (dwarf_debug_hooks): New.
2014 (dwarfout_init): Make static.
2015 (dwarfout_finish): Make static, take 2 args.
2016 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
2017 * sdbout.c: Include debug.h.
2018 (sdb_debug_hooks): New.
2019 (sdbout_init): Make static, take 2 args.
2020 * sdbout.h (sdbout_init): Delete.
2021 * toplev.c: Include debug.h.
2023 (compile_file): Set deubg_hooks based on command line options.
2024 Use the hooks unconditionally rather than conditional compilation.
2026 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
2028 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
2029 first_insn_after_basic_block_note instead.
2031 * df.c (df_bb_refs_unlink): #if 0 out for now.
2033 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
2035 * ssa.h: Add prototype for ssa_const_prop
2036 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
2037 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
2038 (ssa_fast_dce): Remove unused variable
2040 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
2042 * diagnostic.c (finish_diagnostic): Rename to
2043 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
2046 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
2048 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
2051 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
2052 (dump_file): Only pad the demangled name with spaces if the
2053 mangled name was padded with spaces.
2055 2001-07-10 Bernd Schmidt <bernds@redhat.com>
2057 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
2060 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2062 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
2063 extraction if no direct load if either EXPAND_CONST_ADDRESS or
2066 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
2067 whether can put offset inside LO_SUM to check mode alignment, not size.
2069 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
2071 * doc/tm.texi (Misc): Fix thinko.
2073 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
2075 * regmove.c (replace_in_call_usage): Fix warnings.
2076 * sched-deps.c (add_dependence): Fix warnings.
2077 * simplify-rtx.c (simplify_subreg): Likewise.
2078 Return NULL_RTX instead of NULL.
2080 * reg-stack.c (emit_swap_insn): Eliminate warnings.
2081 (subst_asm_stack_regs): Likewise.
2083 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
2086 * dwarf2out.c (output_call_frame_info): Declare i as int.
2087 (build_abbrev_table): Declare n_alloc as int.
2088 (dwarf2out_finish): Initialize die.
2089 * except.c: Declare sjlj_funcdef_number as unsigned.
2090 (connect_post_landing_pads): Declare j as unsigned.
2091 (convert_to_eh_region_ranges): Initialize call_site.
2092 (output_function_exception_table): Initialize tt_format_size.
2093 * expr.c (move_by_pieces_1): Initialize to1.
2094 (store_constructor): Initialize minelt and maxelt.
2095 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
2096 * function.c (instantiate_decls): Avoid signed/unsigned warning.
2098 * c-decl.c (combine_parm_decls): Unused, remove.
2099 * c-tree.h: Remove prototype for combine_parm_decls.
2101 * reload.c (push_reload): Fix warning.
2102 (regno_clobbered_p): Likewise.
2103 * reload1.c (replace_pseudos_in_call_usage): Likewise.
2104 (reload_combine): Likewise.
2106 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
2107 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
2109 * bitmap.c (bitmap_operation): Change user.
2110 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
2112 2001-07-10 Eric Christopher <echristo@redhat.com>
2114 * config/mips/mips.c (override_options): Fix typo.
2116 2001-07-09 Stan Shebs <shebs@apple.com>
2118 * target.h (struct gcc_target): New fields init_builtins and
2120 * target-def.h (TARGET_INIT_BUILTINS): New macro.
2121 (TARGET_EXPAND_BUILTIN): New macro.
2122 (TARGET_INITIALIZER): Add them.
2123 * builtins.c: Include target.h.
2124 (expand_builtin): Use targetm.expand_builtin.
2125 (default_init_builtins): New function.
2126 (default_expand_builtin): New function.
2127 * expr.h (default_init_builtins): Declare.
2128 (default_expand_builtin): Declare.
2129 * c-common.c (c_common_nodes_and_builtins): Use
2130 targetm.init_builtins.
2131 * defaults.h (MD_INIT_BUILTINS): Remove.
2132 * Makefile.in (builtins.o): Depend on target.h.
2134 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
2135 (TARGET_EXPAND_BUILTIN): Define.
2136 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
2137 (MD_EXPAND_BUILTIN): Remove.
2139 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
2140 (TARGET_EXPAND_BUILTIN): Define.
2141 (c4x_init_builtins): Make endlink arg a local.
2142 (c4x_print_operand): Fix typos in adjust_address usages.
2143 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
2144 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
2145 (MD_EXPAND_BUILTIN): Remove.
2147 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
2148 (TARGET_EXPAND_BUILTIN): Define.
2149 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
2150 (ix86_init_builtins): Call new function only if TARGET_MMX.
2151 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
2152 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
2153 (MD_EXPAND_BUILTIN): Remove.
2155 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
2156 (TARGET_EXPAND_BUILTIN): Define.
2157 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
2158 (MD_EXPAND_BUILTIN): Remove.
2160 * doc/tm.texi: Document these changes.
2162 2001-07-09 Diego Novillo <dnovillo@redhat.com>
2164 * basic-block.h (tree_node): Forward declare if needed.
2165 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
2166 (BLOCK_HEAD_TREE): Define.
2167 (BLOCK_END_TREE): Define.
2168 (struct loops): Rename field 'tree' to 'tree_root'.
2169 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
2171 (flow_loops_tree_build): Rename reference to field 'tree' to
2173 (flow_loops_level_compute): Ditto.
2174 * predict.c (estimate_bb_frequencies): Ditto.
2175 * tree.h (struct tree_common): Add field 'aux'.
2177 2001-07-09 Stan Shebs <shebs@apple.com>
2179 * config/darwin.c (darwin_encode_section_info): Don't mark any
2180 DECL_EXTERNAL node as defined.
2182 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
2184 * pa.c (pa_init_machine_status, pa_mark_machine_status,
2185 pa_free_machine_status, hppa_init_pic_save): Delete.
2186 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
2187 (hppa_profile_hook): Use hppa_pic_save_rtx.
2188 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
2189 hppa_init_pic_save): Delete.
2190 (hppa_pic_save_rtx): Declare.
2191 * pa.md (call, call_value, sibcall, sibcall_value,
2192 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
2194 2001-07-09 Kazu Hirata <kazu@hxi.com>
2196 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
2197 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
2199 2001-07-09 Andreas Jaeger <aj@suse.de>
2201 * output.h: Add declaration of final_forward_branch_p.
2203 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
2205 * varray.c: Include errors.h for internal_error and trim_filename
2208 * Makefile.in (varray.o): Add errors.h.
2210 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
2212 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
2213 * optabs.c (have_add2_insn): Check whether the add insn chosen
2214 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
2215 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
2217 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
2219 * Makefile.in (OBJS): Add ssa-ccp.o
2220 (ssa-ccp.o): Add dependencies.
2221 * toplev.c (DFI_ssa_ccp): New dump file enum.
2222 (dump_file): Add entry for dumping after SSA CCP.
2223 (flag_ssa_ccp): New flag variable.
2224 (f_options): Add -fssa-ccp.
2225 (rest_of_compilation): Run SSA CCP if requested.
2226 * timevar.def (TV_SSA_CCP): New timevar.
2227 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
2228 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
2229 Fix minor typo in SSA DCE documentation.
2230 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
2231 Add documentation for new dump option. Renumber dump files
2234 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2236 * emit-rtl.c (gen_highpart_mode): New.
2237 * rtl.h (gen_highpart_mode): Declare.
2238 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
2239 operand can be VOIDmode constant.
2241 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
2243 * flow.c (redirect_edge_and_branch_force): New.
2244 (can_fallthru): Ensure that basic blocks are succeeding.
2245 (try_optimize_cfg): Do not delete basic block if it is the last one.
2247 * flow.c (try_redirect_by_replacing_jump): Do not remove
2248 jumps with side effects, unlink chain on fallthru edge;
2249 set block for new jump instruction; avoid basic block to
2250 over by line number note.
2252 * flow.c (try_simplify_condjump): Verify that the condjump
2253 is not always falling trought.
2256 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
2258 * flow.c (forwarder_block_p): Fix for fallthru blocks.
2259 (try_redirect_by_replacing_jump): Update properly the count
2260 and frequency information.
2262 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2264 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
2265 address that is a LO_SUM specially.
2266 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
2268 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
2270 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
2271 (operand_subword): Use them.
2272 (change_address_1): Renamed from change_address; new arg VALIDATE.
2273 * expr.h: Reflect above changes; change_address now macro.
2274 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
2276 * cselib.c (add_mem_for_addr): Likewise.
2277 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
2278 * regmove.c (try_apply_stack_adjustment): Likewise.
2279 * reload.c (push_reload, make_memloc): Likewise.
2280 * reload1.c (eliminate_regs): Likewise.
2281 * simplify-rtx.c (simplify_replace_rtx): Likewise.
2282 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
2284 * combine.c (make_extraction, simplify_shift_const): Likewise.
2285 (gen_lowpart_for_combine): Likewise.
2286 * cse.c (gen_lowpart_if_possible): Likewise.
2287 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
2288 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
2289 * optabs.c (gen_move_insn): Likewise.
2290 * reload1.c (alter_reg): Likewise.
2291 * simplify-rtx.c (simplify_subreg): Likewise.
2292 * stmt.c (expand_anon_union_decl): Likewise.
2293 * recog.c (validate_replace_rtx_1): Likewise.
2295 * Makefile.in (recog.o): Add $(EXPR_H).
2296 * explow.c (stabilize): Call replace_equiv_address.
2297 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
2298 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
2300 2001-07-03 Andrew Haley <aph@redhat.com>
2302 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
2303 the mode of the memory location.
2305 2001-07-09 Bo Thorsen <bo@suse.co.uk>
2307 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
2309 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
2311 * final.c (output_addr_const): Use target opening and
2312 closing parentheses.
2313 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
2314 defaults, add to TARGET_ASM_OUT.
2315 * target.h (struct gcc_target): Add open_paren and close_paren.
2316 * doc/md.texi: Update.
2317 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
2318 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
2319 TARGET_ASM_CLOSE_PAREN.
2320 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
2322 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
2324 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
2325 * config/a29k/a29k.h: Similarly.
2326 * config/alpha/alpha.h: Similarly.
2327 * config/arc/arc.h: Similarly.
2328 * config/arm/aof.h: Similarly.
2329 * config/arm/aout.h: Similarly.
2330 * config/avr/avr.h: Similarly.
2331 * config/c4x/c4x.h: Similarly.
2332 * config/clipper/clipper.h: Similarly.
2333 * config/convex/convex.h: Similarly.
2334 * config/d30v/d30v.h: Similarly.
2335 * config/dsp16xx/dsp16xx.h: Similarly.
2336 * config/elxsi/elxsi.h: Similarly.
2337 * config/fr30/fr30.h: Similarly.
2338 * config/h8300/h8300.h: Similarly.
2339 * config/i370/i370.h: Similarly.
2340 * config/i386/i386.h: Similarly.
2341 * config/i860/i860.h: Similarly.
2342 * config/i960/i960.h: Similarly.
2343 * config/ia64/ia64.h: Similarly.
2344 * config/m32r/m32r.h: Similarly.
2345 * config/m68hc11/m68hc11.h: Similarly.
2346 * config/m68k/m68k.h: Similarly.
2347 * config/m88k/m88k.h: Similarly.
2348 * config/mcore/mcore.h: Similarly.
2349 * config/mips/mips.h: Similarly.
2350 * config/mn10200/mn10200.h: Similarly.
2351 * config/mn10300/mn10300.h: Similarly.
2352 * config/ns32k/ns32k.h: Similarly.
2353 * config/pa/pa.h: Similarly.
2354 * config/pdp11/pdp11.h: Similarly.
2355 * config/pj/pj.h: Similarly.
2356 * config/romp/romp.h: Similarly.
2357 * config/rs6000/rs6000.h: Similarly.
2358 * config/sh/sh.h: Similarly.
2359 * config/sparc/sparc.h: Similarly.
2360 * config/v850/v850.h: Similarly.
2361 * config/vax/vax.h: Similarly.
2362 * config/we32k/we32k.h: Similarly.
2364 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
2366 * doc/c-tree.texi: Document representation of attributes.
2368 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
2370 * doc/tm.texi: Update some places for the rename of target to
2373 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
2375 * target.h (struct gcc_target): Add insert_attributes.
2376 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
2377 (TARGET_INITIALIZER): Update.
2378 * tree.c, tree.h (default_insert_attributes): New function.
2379 Update comments on other default functions to refer to targetm,
2381 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
2382 TARGET_INSERT_ATTRIBUTES.
2383 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
2384 * c-common.c (decl_attributes): Use targetm.insert_attributes.
2385 Don't use PRAGMA_INSERT_ATTRIBUTES.
2386 * Makefile.in (c-common.o): Depend on $(TARGET_H).
2387 * c-decl.c (start_decl, start_function): Don't call
2388 SET_DEFAULT_DECL_ATTRIBUTES.
2389 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
2390 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
2392 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
2393 (c4x_check_attribute): Avoid modifying attribute list itself.
2394 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
2396 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
2397 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
2399 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
2400 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
2402 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
2403 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
2405 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
2406 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
2407 Adjust parameters. Make static.
2409 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
2411 * c-common.c (decl_attributes): Only take a single attributes
2413 * c-common.h (decl_attributes): Update prototype.
2414 * c-decl.c (start_decl, start_function): Only take a single
2415 attributes parameter. Update calls to decl_attributes.
2416 (finish_struct, finish_enum): Update calls to decl_attributes.
2417 (push_parm_decl): Expect unified list of attributes. Update call
2419 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
2420 notype_nested_function, component_declarator,
2421 component_notype_declarator, label): Update calls to
2423 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
2424 lists that are passed to push_parm_decl.
2425 * c-tree.h (start_function, start_decl): Update prototypes.
2426 * config/sh/sh-protos.h, config/sh/sh.c
2427 (sh_pragma_insert_attributes): Only take a single attributes
2429 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
2430 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
2431 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
2432 build_module_descriptor, generate_static_references,
2433 generate_strings, build_selector_translation_table,
2434 generate_descriptor_table, generate_protocols,
2435 generate_ivars_list, generate_dispatch_table,
2436 generate_protocol_list, generate_category,
2437 generate_shared_structures, really_start_method, add_objc_decls,
2438 generate_classref_translation_entry): Update calls to start_decl
2440 (build_tmp_function_decl, start_method_def): Unify attribute lists
2441 that are passed to push_parm_decl.
2443 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
2445 * final.c (no_asm_to_stream): New.
2446 (final_scan_insn): Use target structures for prologue ends
2447 and epilogue starts.
2448 * output.h (no_asm_to_stream): New.
2449 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
2450 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
2451 (TARGET_ASM_OUT): Update.
2452 * target.h (struct gcc_target): New members function_end_prologue
2453 and function_begin_epilogue.
2454 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
2455 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
2456 * config/alpha/alpha.c (output_end_prologue): Rename to
2457 alpha_output_function_end_prologue. Use in target struct
2459 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
2460 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
2461 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
2462 ia64_output_function_end_prologue. Use in target struct
2464 (ia64_function_prologue, ia64_funciton_epilogue): Rename
2465 mistyped prototypes.
2466 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
2467 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
2469 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
2470 an use in target struct, make static.
2471 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
2474 2001-07-08 Richard Henderson <rth@redhat.com>
2476 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
2478 2001-07-08 Richard Henderson <rth@redhat.com>
2480 * config/i386/i386.md: Remove constraints strings from define_split
2481 and define_peephole2 patterns.
2482 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
2483 (eh_return): Use them.
2485 2001-07-08 Richard Henderson <rth@redhat.com>
2487 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
2488 Document MD_FALLBACK_FRAME_STATE_FOR.
2490 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2492 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
2493 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
2495 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
2497 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
2499 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
2500 of the label inside NAME as opposed to just the end of NAME.
2502 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
2504 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
2505 * config/alpha/alpha.c (alpha_init_machine_status,
2506 alpha_mark_machine_status, alpha_free_machine_status): Delete.
2507 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
2508 (vms_valid_decl_attribute_p): Make static, conditionally compile.
2509 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
2511 2001-07-06 Stan Shebs <shebs@apple.com>
2513 * target.h (targetm): Rename global from "target", so as not to
2514 conflict with local variables.
2516 * c-typeck.c: Ditto.
2520 * cp/decl2.c: Ditto.
2521 * cp/typeck.c: Ditto.
2522 * 1750a/1750a.c: Ditto.
2523 * a29k/a29k.c: Ditto.
2527 * clipper/clipper.c: Ditto.
2528 * convex/convex.c: Ditto.
2529 * d30v/d30v.c: Ditto.
2530 * dsp16xx/dsp16xx.c: Ditto.
2531 * elxsi/elxsi.c: Ditto.
2532 * fr30/fr30.c: Ditto.
2533 * h8300/h8300.c: Ditto.
2534 * i370/i370.c: Ditto.
2535 * i386/i386.c: Ditto.
2536 * i860/i860.c: Ditto.
2537 * i960/i960.c: Ditto.
2538 * ia64/ia64.c: Ditto.
2539 * m32r/m32r.c: Ditto.
2540 * m68hc11/m68hc11.c: Ditto.
2541 * m68k/m68k.c: Ditto.
2542 * m88k/m88k.c: Ditto.
2543 * mips/mips.c: Ditto.
2544 * ns32k/ns32k.c: Ditto.
2546 * pdp11/pdp11.c: Ditto.
2547 * romp/romp.c: Ditto.
2548 * rs6000/rs6000.c: Ditto.
2550 * sparc/sparc.c: Ditto.
2552 * we32k/we32k.c: Ditto.
2553 * doc/tm.texi: Update the manual to match.
2555 2001-07-06 Richard Henderson <rth@redhat.com>
2557 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
2558 DWARF2_UNWIND_INFO not just whether it is defined.
2560 2001-07-06 Diego Novillo <dnovillo@redhat.com>
2562 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
2563 call to simplify_binary_operation returns a new pattern.
2565 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2567 * glimits.h (__SHRT_MAX__): New.
2568 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
2569 (SHRT_MAX): Define in terms of __SHRT_MAX__.
2571 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
2573 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
2576 2001-07-06 Richard Henderson <rth@redhat.com>
2578 * bitmap.c (bitmap_release_memory): Move adjacent to the
2579 allocation functions.
2580 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
2581 the implementation. Binary search for the set bit.
2582 (bitmap_union_of_diff): Allocate the temporary on the stack
2583 instead of using xmalloc.
2585 2001-07-06 Richard Henderson <rth@redhat.com>
2587 * genrecog.c (validate_pattern): Warn for constraints in
2588 define_{expand,split,peephole2}. Remove strict_low_part
2589 before looking up match_dup.
2591 2001-07-06 DJ Delorie <dj@redhat.com>
2593 * doc/gcc.texi (Makefile): Rename to be a more general purpose
2594 chapter about various build hints and history. Add section
2595 talking about the various types of native and cross builds.
2597 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
2599 * Makefile.in (final.o): Depend on target.h.
2600 * final.c: Include target.h.
2601 (default_function_pro_epilogue): New.
2602 (final_start_function): Use target structure for function prologues.
2603 (final_end_function): Use target structure for function epilogues.
2604 * fold-const.c (real_hex_to_f): Constify s and p.
2605 * output.h (default_function_pro_epilogue): New.
2606 * real.h (real_hex_to_f): Update prototype.
2607 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
2608 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
2609 (TARGET_INITIALIZER): Update.
2610 * target.h (gcc_target): Add struct asm_out.
2611 * doc/tm.texi: Update.
2614 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
2615 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
2616 in cpu/cpu.c, or rename old functions consistently. Take
2617 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
2618 redundant macros and prototypes. Make new functions static.
2620 * 1750a/1750a.c: Similarly.
2621 * 1750a/1750a.h: Similarly.
2622 * a29k/a29k-protos.h: Similarly.
2623 * a29k/a29k.c: Similarly.
2624 * a29k/a29k.h: Similarly.
2625 * arc/arc-protos.h: Similarly.
2626 * arc/arc.c: Similarly.
2627 * arc/arc.h: Similarly.
2628 * arm/arm-protos.h: Similarly.
2629 * arm/arm.c: Similarly.
2630 * arm/arm.h: Similarly.
2631 * avr/avr-protos.h: Similarly.
2632 * avr/avr.c: Similarly.
2633 * avr/avr.h: Similarly.
2634 * clipper/clipper-protos.h: Similarly.
2635 * clipper/clipper.c: Similarly.
2636 * clipper/clipper.h: Similarly.
2637 * convex/convex.c: Similarly.
2638 * convex/convex.h: Similarly.
2639 * d30v/d30v-protos.h: Similarly.
2640 * d30v/d30v.c: Similarly.
2641 * d30v/d30v.h: Similarly.
2642 * d30v/d30v.md: Similarly.
2643 * dsp16xx/dsp16xx-protos.h: Similarly.
2644 * dsp16xx/dsp16xx.c: Similarly.
2645 * dsp16xx/dsp16xx.h: Similarly.
2646 * elxsi/elxsi.c: Similarly.
2647 * elxsi/elxsi.h: Similarly.
2648 * fr30/fr30.c: Similarly.
2649 * fr30/fr30.md: Similarly.
2650 * h8300/h8300-protos.h: Similarly.
2651 * h8300/h8300.c: Similarly.
2652 * h8300/h8300.h: Similarly.
2653 * i370/i370-protos.h: Similarly.
2654 * i370/i370.c: Similarly.
2655 * i370/i370.h: Similarly.
2656 * i386/i386.c: Similarly.
2657 * i386/osf1elf.h: Similarly.
2658 * i386/osfrose.h: Similarly.
2659 * i860/i860-protos.h: Similarly.
2660 * i860/i860.c: Similarly.
2661 * i860/i860.h: Similarly.
2662 * i960/i960-protos.h: Similarly.
2663 * i960/i960.c: Similarly.
2664 * i960/i960.h: Similarly.
2665 * ia64/ia64-protos.h: Similarly.
2666 * ia64/ia64.c: Similarly.
2667 * ia64/ia64.h: Similarly.
2668 * m32r/m32r-protos.h: Similarly.
2669 * m32r/m32r.c: Similarly.
2670 * m32r/m32r.h: Similarly.
2671 * m68hc11/m68hc11-protos.h: Similarly.
2672 * m68hc11/m68hc11.c: Similarly.
2673 * m68hc11/m68hc11.h: Similarly.
2674 * m68k/crds.h: Similarly.
2675 * m68k/dpx2.h: Similarly.
2676 * m68k/m68k-protos.h: Similarly.
2677 * m68k/m68k.c: Similarly.
2678 * m68k/m68k.h: Similarly.
2679 * m68k/news.h: Similarly.
2680 * m88k/m88k-protos.h: Similarly.
2681 * m88k/m88k.c: Similarly.
2682 * m88k/m88k.h: Similarly.
2683 * mips/mips-protos.h: Similarly.
2684 * mips/mips.c: Similarly.
2685 * mips/mips.h: Similarly.
2686 * ns32k/merlin.h: Similarly.
2687 * ns32k/ns32k.c: Similarly.
2688 * ns32k/ns32k.h: Similarly.
2689 * ns32k/tek6000.h: Similarly.
2690 * pa/pa-protos.h: Similarly.
2691 * pa/pa.c: Similarly.
2692 * pa/pa.h: Similarly.
2693 * pdp11/2bsd.h: Similarly.
2694 * pdp11/pdp11-protos.h: Similarly.
2695 * pdp11/pdp11.c: Similarly.
2696 * pdp11/pdp11.h: Similarly.
2697 * romp/romp-protos.h: Similarly.
2698 * romp/romp.c: Similarly.
2699 * romp/romp.h: Similarly.
2700 * rs6000/rs6000-protos.h: Similarly.
2701 * rs6000/rs6000.c: Similarly.
2702 * rs6000/rs6000.h: Similarly.
2703 * rs6000/sysv4.h: Similarly.
2704 * sh/sh-protos.h: Similarly.
2705 * sh/sh.c: Similarly.
2706 * sh/sh.h: Similarly.
2707 * sparc/sparc-protos.h: Similarly.
2708 * sparc/sparc.c: Similarly.
2709 * sparc/sparc.h: Similarly.
2710 * vax/vax.c: Similarly.
2711 * vax/vax.h: Similarly.
2712 * vax/vms.h: Similarly.
2713 * we32k/we32k.c: Similarly.
2714 * we32k/we32k.h: Similarly.
2716 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
2718 * basic-block.h (first_insn_after_basic_block_note): Declare.
2719 * flow.c (first_insn_after_basic_block_note): Define. Moved
2721 * ssa.c (first_insn_after_basic_block_note): Remove.
2722 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
2724 (ssa_eliminate_dead_code): Properly update the CFG and PHI
2725 nodes when we find a dead conditional branch. Insert BARRIERs
2726 after any blocks with no successors, but which do not have
2729 2001-07-06 Zack Weinberg <zackw@stanford.edu>
2731 * varray.c (varray_check_failed): Use internal_error.
2733 2001-07-05 Andrew Haley <aph@redhat.com>
2735 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
2736 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
2737 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
2739 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
2741 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
2742 reference if the target constant is also a SYMBOL_REF.
2744 2001-07-05 Eric Christopher <echristo@redhat.com>
2746 * config/mips/mips.h (MASK_MIPS3900): Remove.
2747 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
2748 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
2749 (TARGET_MIPS3900): Change to use mips_arch.
2750 (TARGET_MIPS4000): New.
2751 (TARGET_MIPS4100): New.
2752 (TARGET_MIPS4300): New.
2753 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
2754 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
2756 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
2757 (ISA_HAS_BRANCHLIKELY): To here.
2758 (CC1_CPU_SPEC): New.
2759 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
2760 (mips_arch_string): Declare.
2761 (mips_arch): Declare.
2762 (TARGET_OPTIONS): Add -march and -mtune.
2764 * config/mips/mips.c (mips_arch_string): New.
2766 (override_options): Handle -march for codegen and -mtune
2767 for scheduling. Use mips_arch. Move tx39 target default here.
2768 (mips_parse_cpu): Move error message to override_options.
2770 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
2772 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
2774 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
2775 (MIPS Options): Ditto. Change mcpu entry to historical text.
2777 2001-07-05 H.J. Lu (hjl@gnu.org)
2779 * config/mips/mips.c (mips_parse_cpu): New function to parse
2782 2001-07-05 Jim Wilson <wilson@redhat.com>
2784 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
2785 * config/ia64/t-ia64: Likewise.
2786 (LIB1ASMFUNCS): Update comment.
2788 2001-07-05 David Edelsohn <edelsohn@gnu.org>
2790 * doc/install.texi (Install GCC: Binaries): Fix typo.
2792 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2794 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
2795 reference using the stack pointer, adjust it since we push Y
2797 ("*ashrsi3"): Likewise.
2798 ("*lshrsi3"): Likewise.
2800 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2802 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
2803 when -fomit-frame-pointer is used.
2805 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
2807 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
2808 (try_redirect_by_replacing_jump): Reverse updating properly the
2809 count and frequency information. Reverse removing cc0 setter.
2810 (forwarder_block_p): Reverse fixing for fallthru blocks.
2812 2001-07-05 DJ Delorie <dj@redhat.com>
2814 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
2815 (translate_options): If the above is defined, use it to map
2816 given options to new options.
2817 * doc/tm.texi: Document it.
2819 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
2820 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2822 * doc/invoke.texi (Optimize Options): Document that -fgcse may
2823 cause programs using computed gotos to run more slowly.
2825 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2827 * doc/install.texi (Specific): Markup, spelling and typo fixes.
2829 Consistently require binutils 2.11.2, not prereleases.
2830 (Specific, decstation-*): Canonicalize as mips-dec-*.
2831 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
2833 (Specific, m68k-altos): Removed reference to README.altos, deleted.
2834 (Specific, mips-*): Reword MIPS C compiler requirements.
2835 (Specific, powerpc*-*-*): New, mention --with-cpu once.
2836 (Specific, sunv5): Removed, obsolete.
2838 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
2840 * dwarf2out.c (output_loc_list): Use an all ones mask for
2841 .text asm output and don't rely on long long
2842 literals. Reformat some long lines.
2844 2001-07-05 Andreas Jaeger <aj@suse.de>
2846 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
2849 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
2851 * dwarf2out.c (dwarf2out_define): Update comment.
2852 (dwarf2out_undef): Ditto.
2853 (dwarf2out_start_source_file): Ditto.
2854 (dwarf2out_end_source_file): Ditto.
2855 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
2856 since we never call the start/end debug hook for the primary file.
2858 2001-07-04 Kazu Hirata <kazu@hxi.com>
2860 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
2863 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
2865 * cppinit.c (remove_dup_dirs): Inform if a system include
2866 directory is being reordered.
2867 * doc/invoke.texi (Directory Options): GCC warns if you hide a
2869 * doc/cpp.texi (Search Paths): Likewise.
2870 * doc/gcc.texi (Interoperation): Remove information about
2873 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
2875 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
2876 (VARRAY_TOP_CHAR_PTR): Likewise.
2878 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2880 * gcc.c (process_command): Don't assign elements of a const char*.
2882 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2884 * emit-rtl.c (change_address): Don't abort if invalid address while
2885 reload is in progress.
2887 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
2889 * c-lex.c (cb_file_change): Pass line number to
2890 debug_start_source_file.
2891 (cb_undefine): Pass correct line number to debug_undef.
2893 * toplev.c (debug_start_source_file): Add line number to
2894 parameters. Pass it along to dwarf2out_start_source_file.
2895 (decode_g_option): Stop resetting debug level back to normal when
2896 we change debug formats, unless the current level is
2897 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
2900 * toplev.h (debug_start_source_file): Add line number to
2903 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
2906 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
2908 Output debug_macinfo data for starting file if requested.
2909 (dwarf2out_end_source_file): Output debug_macinfo data for ending
2911 (dwarf2out_define): Output debug_macinfo data for defining a macro
2913 (dwarf2out_undef): Output debug_macinfo data for undefining a
2915 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
2916 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
2917 (macinfo_section_label): New. DWARF2 macro info section label.
2918 (dwarf2out_init): If we want macro info, output the start label
2920 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
2921 attribute to the compilation unit die pointing to the macro info.
2923 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
2925 * dwarf2out.c (new_loc_list): Move to inside #ifdef
2926 DWARF2_DEBUGGING_INFO.
2927 (add_loc_descr_to_loc_list): Ditto.
2928 (output_loc_list): Ditto.
2929 Also, fix thinko in curr not being initialized.
2930 (gen_internal_sym): Ditto.
2932 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2934 * emit-rtl.c (replace_equiv_address): New function.
2935 * expr.h (replace_equiv_address): New declaration.
2936 * explow.c (validize_mem): Call it instead of change_address and
2937 also call if -fforce-addr and address is constant.
2938 * expr.c: Replace more calls to change_address with adjust_address
2939 and/or replace_equiv_address or to validize_mem.
2940 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
2941 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
2942 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
2943 * config/i370/i370.md, config/i860/i860.md: Likewise.
2944 * config/i960/i960.md, config/mips/mips.c: Likewise.
2945 * config/mips/mips.md, config/pa/pa.md: Likewise.
2946 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
2947 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
2949 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2951 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
2953 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
2956 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
2958 * doc/include: New directory.
2959 * doc/fdl.texi: Move to doc/include/fdl.texi.
2960 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
2961 * doc/include/funding.texi, doc/include/gpl.texi: New files.
2962 * doc/gcc.texi: Use funding.texi and gpl.texi.
2963 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
2964 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
2965 Update dependencies and use -I $(docdir)/include.
2967 2001-07-04 Anthony Green <green@redhat.com>
2969 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
2971 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2973 * doc/install.texi (sparc64-*-*): Remove garbage.
2975 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
2977 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
2978 Fix typo in last change to use adjust_address.
2980 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2982 * doc/install.texi (Specific): Update information for *-*-solaris*.
2984 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2986 * explow.c (plus_constant_wide): Reinitialize Y for restart.
2988 2001-07-03 Stan Shebs <shebs@apple.com>
2990 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
2991 case for flag_no_mach_text_sections.
2992 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
2993 * config/darwin.c (flag_no_mach_text_sections): Remove.
2994 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
2996 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2998 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
2999 and avoid checking for constant as first operand.
3000 * recog.c (find_constant_term_loc): No longer static.
3001 (adj_offettable_operand): Delete.
3002 * rtl.h (adj_offsettable_operand): Delete declaration.
3003 (find_constant_term): Add declaration.
3004 * caller-save.c: Replace calls to adj_offsettable_operand with calls
3006 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
3007 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
3008 * config/i386/i386.c, config/i386/i386.md: Likewise.
3009 * config/i860/i860.c, config/i960/i960.c: Likewise.
3010 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
3011 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
3012 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
3013 * config/mips/mips.c, config/mips/mips.md: Likewise.
3014 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
3015 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
3016 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
3017 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
3018 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
3019 * config/ns32k/ns32k.md: Likewise.
3021 2001-07-03 Zack Weinberg <zackw@stanford.edu>
3023 * rtl.c (copy_rtx): Handle 'T' format letter.
3024 * gensupport.c (collect_insn_data): Likewise.
3025 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
3027 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
3029 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
3030 -B option. Use 'dir' not 'foo' as example directory name.
3032 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3034 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
3035 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
3037 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
3039 * doc/cppinternals.texi: Improve formatting and logical markup.
3041 2001-07-03 Andreas Jaeger <aj@suse.de>
3043 * Makefile.in (insn-recog.o): Add dependency on reload.h.
3045 * genrecog.c (write_header): Include reload.h for prototypes in
3048 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
3051 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
3052 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
3053 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
3054 i386_pe_valid_type_attribute_p): Add.
3055 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
3056 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
3058 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3060 * explow.c (plus_constant_wide, case LO_SUM): New case.
3061 (plus_constant_for_output_wide): Delete.
3062 * rtl.h (plus_constant_for_output): Delete.
3063 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
3064 instead of plus_constant_for_output.
3065 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
3066 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
3067 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
3068 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
3069 * config/sparc/sparc.md: Likewise.
3070 Convert some change_address calls to adjust_address.
3072 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
3074 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
3075 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
3076 documentation of -std and -Wwrite-strings.
3078 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
3080 * cse.c (canon_hash): Don't register registers in very small
3081 register classes, as extending their lifetime might cause
3084 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3086 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
3088 * flow.c (forwarder_block_p): Fix for fallthru blocks.
3089 (try_redirect_by_replacing_jump): Update properly the count
3090 and frequency information.
3092 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
3094 * toplev.c (dump_file_index): Move SSA dumps just after first
3096 (dump_file): Corresponding changes.
3097 (rest_of_compilation): Move SSA path to just after the first
3099 * doc/gcc.texi (Passes): Update due to movement of SSA path.
3100 * doc/invoke.texi: Update dump file #s as they were completely
3101 out of date with reality.
3103 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
3105 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
3107 * expr.c (emit_move_insn_1): Deal with non-default
3110 * expr.c (emit_single_push_insn): Fix warning.
3112 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
3114 * expr.c (emit_move_insn_1): Avoid modifying
3115 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
3117 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3119 * emit-rtl.c (adjust_address): New function.
3120 * expr.h (adjust_address): Add declaration.
3121 * builtins.c: Replace some calls to change_address with calls to it
3123 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
3124 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
3125 * config/arm/arm.c, config/convex/convex.c: Likewise.
3126 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
3127 * config/i386/i386.c, config/i386/i386.md: Likewise.
3128 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
3129 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
3130 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
3131 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
3132 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
3134 2001-07-02 Jim Wilson <wilson@redhat.com>
3136 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
3138 2001-07-02 Steve Ellcey <sje@cup.hp.com>
3140 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
3141 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
3143 2001-07-02 Zack Weinberg <zackw@stanford.edu>
3145 * cppinit.c (lang_defaults): New table.
3146 (set_lang): Just read from lang_defaults into the live options
3149 2001-07-02 Zack Weinberg <zackw@stanford.edu>
3151 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
3152 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
3153 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
3155 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3157 * doc/install.texi: Various spelling and markup fixes.
3158 (Installing GCC): Component specific installation instructions are
3161 Warn about removing old install dir in the presence of shared libs.
3162 (Configuration): Invoke with options target to match configure
3164 Consistently refer to gas, gld pathnames.
3165 Invert --enable-multilib documentation.
3166 Remove references to old compiler versions.
3168 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3170 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
3172 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3174 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
3176 (Specific, mips*-sgi-irix5): Note IDO download.
3177 Reworded MIPS C hints.
3178 Use GNU as instead of GAS.
3180 Removed SGI Freeware reference, IRIX 6 only.
3181 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
3182 Note N64 library requirement/workaround.
3184 Complete list of structure passing bug victims.
3186 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3188 * doc/install.texi: Remove CVS Id.
3190 2001-07-02 Andreas Jaeger <aj@suse.de>
3192 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
3193 (find_inherently_necessary): Remove unused variable.
3195 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
3197 * c-common.h (TDI_inlined): New ast dump phase.
3198 (dump_flag_name): New function.
3199 * c-dump.c (dump_files): Add inlined phase.
3200 (dump_flag_name): Define.
3201 * doc/invoke.texi (-fdump-ast-inlined): Document.
3203 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3205 * stor-layout.c (layout_decl): Revert change to handling of alignment
3208 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3210 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
3213 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
3215 * doc/tm.texi (FUNCTION_ARG): Document that the last call
3218 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
3220 * tlink.c (recompile_files): Remove COMPILER_PATH and
3221 LIBRARY_PATH from the environment.
3223 2001-07-01 Zack Weinberg <zackw@stanford.edu>
3225 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
3226 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
3228 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
3230 * c-parse.in (OBJC_STRING): Kill.
3231 (objc_string): Decompose to [objc_string] '@' STRING.
3232 (reswords): Take the leading '@' off all the Objective C keywords.
3233 (objc_rid_sans_at): Kill.
3234 (init_reswords): Don't initialize it.
3235 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
3236 (_yylex): Kill reconsider label. Look ahead one token after
3237 an '@'; if we get an identifier, check whether it's an
3238 Objective C @-keyword. If so, return the keyword. Otherwise,
3239 put back the token and return the '@' as a terminal.
3241 * cpplib.c (lex_macro_node): Remove unnecessary check for
3242 leading '@' on identifier. Clarify control flow and commentary.
3244 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3246 * cse.c (new_label_ref): Variable deleted.
3247 (insert): Remove set of new_label_ref.
3248 (check_for_label_ref): New function.
3249 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
3251 See ChangeLog.5 for earlier changes.