1 2001-08-01 H.J. Lu <hjl@gnu.org>
3 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
5 2001-08-01 Ziemowit Laski <zlaski@apple.com>
7 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
8 contextualizing Objective-C class name lookup by the lexer.
9 (typespec_reserved_nonattr): Disable ObjC class name lookup after
11 (protocoldef): Add support for forward @protocol declarations.
12 (yylexname): Suppress ObjC class name lookup in certain contexts;
13 re-enable after lookup is complete.
14 (_yylex): Re-enable ObjC class name lookup when certain
15 punctuation marks are seen.
17 * objc/objc-act.c (check_protocol_recursively): New function used
18 for finding circular dependencies in protocols.
19 (objc_declare_protocols): New function for handling forward
20 @protocol declarations.
21 (receiver_is_class_object): Detect the case when 'self' is used
22 inside of a class method.
23 (build_message_expr): Issue a warning if class method is desired
24 but instance method is found instead.
25 (conforms_to_protocol): Streamline.
26 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
27 protocol Foo, even if 'Bar foo' does not.
28 (check_protocols): Streamline.
29 (start_protocol): Add checks for circular and duplicate protocol
31 (encode_aggregate_within): For typedefs of structs, encode the
33 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
34 (objc_declare_protocols): New prototype.
36 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
38 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
39 * cpplex.c (handle_newline): Update prototype. Maintain logical
41 (skip_escaped_newlines, skip_block_comment, parse_string):
43 (_cpp_lex_token): Update, and store token position within the token.
44 * cpplib.h (struct cpp_token): Add line and column entries.
45 * cppmacro.c (replace_args): Position stringified tokens correctly.
47 2001-08-01 Andreas Jaeger <aj@suse.de>
49 * basic-block.h: Add prototype for last_loop_beg_note.
51 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
53 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
54 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
56 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
57 while handling WITH_CLEANUP_EXPR node. Use second operand calling
59 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
61 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
62 operand while calling simple_cst_equal.
63 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
64 operand is the cleanup expression, the third is the RTL_EXPR.
65 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
67 2001-07-31 Jeff Sturm <jsturm@one-point.com>
69 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
71 2001-07-31 matthew green <mrg@eterna.com.au>
73 * config.gcc (i386-*-netbsdelf): New description.
74 * config/i386/netbsd-elf.h: New file.
76 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
78 * loop.c (check_dbra_loop): Use single_set to compute
81 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
83 PowerPC reorg and support for powerpc64-*-linux*.
85 Also fixes emitting of constants on 32 bit and 64 bit
88 * config.gcc: powerpc64-*-linux* is a new target.
89 Things that needed aix.h now also include xcoff.h
91 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
93 Move AIX specific stuff into aix.h.
94 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
95 with more than just XCOFF now.
96 (SET_ASM_OP): Remove, now defined where needed.
97 (FUNCTION_PROLOGUE): New macro definition.
98 (FUNCTION_EPILOGUE): New macro definition.
99 (CONST_OK_FOR_LETTER_P): Change N to require that value is
101 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
103 * config/rs6000/xcoff.h: New file.
105 * config/rs6000/linux64.h: New file.
107 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
109 2001-07-31 Alan Modra <amodra@bigpond.net.au>
111 * rs6000.c (print_operand_address): Handle ELF syntax.
112 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
113 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
114 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
116 2001-07-31 David Edelsohn <edelsohn@gnu.org>
118 * rs6000.c (rs6000_override_options): Only disable
119 flag_function_sections for XCOFF.
120 (exact_log2_cint_operand): New predicate.
121 (reg_or_{add,sub}_cint64_operand): New predicates.
122 (add_operand): Compare CONST_INT with fewer function calls.
123 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
124 (print_operand, case 'p'): Ensure positive operand.
125 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
126 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
127 (PREDICATE_CODES): Add new predicates.
128 * rs6000.md (addsi3): Split 32-bit constants more correctly.
129 (divsi3, modsi3): Ensure positive power-of-2.
130 (adddi3): Use new predicate. Split 32-bit constants more
131 correctly. Re-arrange splitter to handle any constant.
132 (subdi3): Use new predicate.
133 (divdi3, moddi3): Ensure positive power-of-2.
134 (movdi): Use rs6000_emit_set_const.
135 (load_toc_v4_pic_di): Delete.
137 2001-07-31 Graham Stott <grahams@redhat.com>
139 * function.c (pad_below): Revert 2001-07-26 patch.
141 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
143 * reg-stack (convert_regs_1): Fix best edge condition.
145 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
147 * jump.c (duplicate_loop_exit_test): Better test for jumps
148 entering the loop; create loop pre_header.
150 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
152 * doc/install.texi: Add s390 and s390x as new targets.
153 * doc/invoke.texi: Add documantation of S/390 and zSeries
155 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
157 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
159 * config/m68k/m68k.md: Replace all general_operand with
160 nonimmediate_operand for all destinations.
161 * config/m68k/m68k.c (not_sp_operand): Likewise.
163 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
165 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
167 2001-07-30 Richard Henderson <rth@redhat.com>
169 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
170 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
172 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
174 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
175 Add missing doc strings
176 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
177 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
179 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
181 * i386.c (ix86_output_main_function_alignment_hack): New function.
182 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
184 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
185 edges by EDGE_DFS_BACK flag.
186 (dump_edge_info): Add dfs_back flag.
187 * basic-block.h (EDGE_DFS_BACK): New constant.
188 (mark_dfs_back_edges): Declare.
189 * alias.c (loop_p): Remove.
190 (mark_constant_function): Use mark_dfs_back_edges.
192 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
193 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
194 (compensate_edge): Break out from ...
195 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
196 (convert_regs_2): Set block_done once block is really done;
197 Do updating of the predecesors counts.
199 * toplev.c (rest_of_compilation): Recompute block_for_insn
200 before post-reload cfg_cleanup.
201 * function.c (thread_prologue_epilogue_insns):
202 Call set_block_for_new_insns when emitting prologue directly.
204 2001-07-30 Andreas Jaeger <aj@suse.de>
206 * jump.c: Add prototype for mark_modified_reg.
208 * cse.c (set_live_p): Add unused attribute.
210 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
212 (scan_for_source_files): Use long for count to avoid overflow.
213 (output_data): Likewise.
214 (output_data): Don't use string concatatenation to silence gcc
217 * predict.c: Fix typos and grammar.
219 * gcse.c (insert_insn_end_bb): Remove unused variables.
221 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
223 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
224 (attempt_auto_inc): LIkewise.
225 (mark_used_reg): Likewise.
226 (try_pre_increment_1): Likewise.
227 * regclass.c (regclass): Likewise.
228 * global.c (allocno_compare): Update comment; change scaling factor.
229 * local-alloc.c (QTY_CMP_PRI): Likewise.
230 * regs.h (REG_FREQ_FROM_BB): New.
231 (REG_FREQ_MAX): Likewise.
233 2001-07-30 H.J. Lu <hjl@gnu.org>
235 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
238 2001-07-30 H.J. Lu (hjl@gnu.org)
240 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
241 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
242 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
244 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
246 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
247 as -mthumb-interwork when -mcpu=arm7 is specified.
249 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
251 * predict.def (noreturn, loop branch, loop exit): Mark as first
254 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
256 * combine.c (try_combine): Avoid barrier after noop jumps.
258 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
260 * cpphash.h (struct cpp_reader): Remove import_warning.
261 * cpplib.c (skip_rest_of_line): Don't bother turning off
263 (parse_include): Move include handling to...
264 (do_include_common): ... here. Move import warning from...
265 (do_import): ... here.
266 (do_pragma_poison): Don't do a callback for poison identifiers.
267 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
268 * cppmain.c (setup_callbacks): Similarly.
270 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
272 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
273 handle multiple sets.
274 * except.c (sjlj_mark_call_sites): .... here.
275 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
277 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
279 Suggested by Richard Henderson and Richard Kenner:
280 * combine.c (recog_for_combine): Use the fake recog
281 only if instruction does not match.
282 * rtl.h (NOOP_MOVE_INSN_CODE): New.
283 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
285 * combine.c (try_combine): Discover noop jump as direct jump.
287 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
289 * df.c (df_rd_global_compute): Add successors to worklist, not
291 (df_ru_global_compute): Ditto.
293 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
295 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
296 increment REG_N_SETS.
298 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
300 * sbitmap.h: New prototype for sbitmap_a_xor_b.
302 * sbitmap.c (sbitmap_a_xor_b): New function.
303 ifdef the basic block stuff on IN_GCC.
305 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
307 * cppexp.c (parse_defined): Always record the macro name.
308 (lex): Don't worry about identifiers, or special-case
310 (_cpp_parse_expr): Figure out at the end of the routine
311 whether we saw a valid !defined() expression.
312 * cppfiles.c (stack_include_file): Update for mi_valid.
313 (_cpp_pop_file_buffer): Similarly.
314 * cpplex.c (_cpp_lex_token): Similarly.
315 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
316 mi_if_not_defined, mi_lexed): Remove.
318 * cpplib.c (do_if): Simplify.
319 (do_endif, push_conditional, _cpp_handle_directive): Update
320 for renaming of mi_state to mi_valid.
322 * cpp.texi: Add index entries for digraphs, and add comment
323 that C++ refers to them as alternative tokens.
325 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
327 * basic-block.h (CLEANUP_PRE_LOOP): New.
328 * except.c (finish_eh_generation): Update call of cleanup_cfg.
329 * sibcall.c (optimize_sibling_calls): Likewise.
330 * toplev.c (rest_of_compilation): Likewise.
331 * flow.c (try_forward_edges): Take argument MODE;
332 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
333 (try_optimize_cfg): Update call of try_forward_edges.
335 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
336 Jan Hubicka <jh@suse.cz>
338 * (validate_replace_rtx_1): Fix simplification of MINUS.
340 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
343 * cppinit.c (init_dependency_output): Turn off dump requests
344 if sending dependencies to stdout.
346 2001-07-28 Richard Henderson <rth@redhat.com>
348 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
351 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
353 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
355 2001-07-28 Kazu Hirata <kazu@hxi.com>
357 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
358 is VAR_DECL first to prevent an ICE.
360 2001-07-28 Richard Henderson <rth@redhat.com>
362 * varasm.c (immed_real_const_1): Don't elide special cases for
364 (clear_const_double_mem): Clear const_tiny_rtx too.
366 2001-07-28 Richard Henderson <rth@redhat.com>
368 * dwarf2out.c (dw_val_class_offset): New.
369 (struct dw_ranges_struct, dw_ranges_ref): New.
370 (ranges_table, ranges_table_allocated): New.
371 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
372 (add_AT_offset, add_ranges, output_ranges): New.
373 (print_die, output_die): Handle dw_val_class_offset.
374 (attr_checksum, size_of_die, value_format): Likewise.
375 (gen_lexical_block_die): Handle non-contiguous blocks.
376 (gen_block_die): Likewise.
377 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
378 if needed. Dump the ranges table.
379 * final.c (final_start_function): Remove unnecessary notes and
380 rebuild the block tree before numbering the blocks.
381 * function.c (reorder_blocks_0): Walk the existing block tree
382 to unmark all blocks.
383 (reorder_blocks_1): Create block fragments when duplicate block
385 (reorder_fix_fragments): New.
386 (reorder_blocks): Call it.
387 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
389 2001-07-28 Richard Henderson <rth@redhat.com>
391 * emit-rtl.c (adjust_address): Make a copy of the memory address.
393 2001-07-28 Richard Henderson <rth@redhat.com>
395 * flow.c (add_to_mem_set_list): New function.
396 (init_propagate_block_info): Use it.
397 (mark_set_1): Likewise.
398 (insn_dead_p): Canonicalize memory address for dead store
399 comparison. Allow wider mode stores to kill narrower mode stores.
400 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
401 (invalidate_mems_from_set): Don't handle MEMs.
403 2001-07-28 Kazu Hirata <kazu@hxi.com>
405 * config/h8300/h8300.h: Fix formatting.
407 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
409 * basic-block.h (EDGE_FREQUENCY): New macro.
410 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
412 * flow.c (find_sub_basic_blocks): Likewise.
413 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
414 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
416 * predict.c (DEF_PREDICTOR): New argument FLAGS.
417 (HITRATE): New macro.
418 (PRED_FLAG_FIRST_MATCH): New constant.
419 (predictor_info): New field flgags.
420 (combine_predictions_for_insn): Use DS theory to combine
421 probabilities; set the edge probabilities when finished.
422 (estimate_probability): Avoid duplicated matches
423 of LOOP_BRANCH heuristics for nested loops; update comment.
424 * predict.def: Add flags for each prediction, set probabilities
425 according to B&L paper.
426 * predict.h (DEF_PREDICTOR): New argument FLAGS.
428 * profile.c (compute_branch_probabilities): Cleanup way the edge
429 probabilities are computed and REG_BR_PROB notes are dropped; if
430 values does not match, emit error.
431 (init_branch_prob): Do error instead of warning when profile driven
432 feedback is missing or corrupt.
434 2001-07-27 DJ Delorie <dj@redhat.com>
436 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
437 against a constant, try to adjust the compare to have the desired
438 constant in it so that min/max optimizations happen more often.
440 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
442 * flow.c (last_loop_beg_note): New function.
443 (redirect_edge_and_branch): Use it.
444 (split_edge): Likewise.
446 * alias.c (loop_p): Avoid uninitialized memory access.
448 * flow.c (try_forward_edges): Avoid accessing freed memory.
450 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
453 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
455 * doc/install.texi (Configuration): Properly link the host
456 specific instructions also when generating HTML.
458 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
460 * flow.c (redirect_edge_and_branch_force): Test
461 target->global_live_at_start.
463 2001-07-26 Richard Henderson <rth@redhat.com>
465 * simplify-rtx.c (avoid_constant_pool_reference): Export.
466 * rtl.h (avoid_constant_pool_reference): Declare it.
467 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
468 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
470 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
472 * rtl.h (cleanup_barriers): Declare.
473 * jump.c (cleanup_barriers): New function.
474 * toplev.c (rest_of_compilation): Call cleanup_barriers
475 before loop optimizer and after bb_reorder.
477 * flow.c (back_edge_of_syntactic_loop_p): New.
478 (split_edge): Use it.
480 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
482 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
484 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
486 * cse.c (cse_process_notes): Replace any registers if the address
489 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
491 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
492 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
493 (propagate_block): Update prototype.
494 * flow.c (update_life_info): Simplify the CFG and
495 recalculate the global regs which are alive when
496 removing dead code during a global update.
497 (propagate_block): Return non-zero if an INSN is
500 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
502 * Makefile.in (LIBICONV): Define.
504 2001-07-26 Catherine Moore <clm@redhat.com>
506 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
507 of conditional to avoid tree checking errors.
509 2001-07-26 Kazu Hirata <kazu@hxi.com>
511 * regmove.c (regmove_optimize): Don't replace a reg with
512 another reg of a different mode.
514 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
516 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
517 limit length of dependancy flush list.
518 * params.h (MAX_PENDING_LIST_LENGTH): Define.
519 * sched-int.h (struct deps): Add pending_flush_length field.
520 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
522 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
523 (sched_analyze): After a jump, if the pending memory flush list is too
524 large, flush the pending lists.
525 (init_deps): Initialize pending_flush_length to 0.
526 * doc/invoke.texi (max_pending_list_length): Document parameter.
528 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
530 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
531 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
532 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
534 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
536 * cpphash.h (struct_lexer_state): Delete was_skipping.
537 Move skipping here from struct cpp_reader.
538 * cpplex.c (parse_identifier): Update.
539 (_cpp_lex_token): Don't skip tokens in a directive.
540 * cpplib.c (struct if_stack): Update.
541 (start_directive, end_directive): Don't change skipping state.
542 (_cpp_handle_directive): Update.
543 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
544 (do_else, do_endif): Update; only check for excess tokens if not
545 in a skipped conditional block.
546 (push_conditional): Update for new struct if_stack.
548 2001-07-26 Graham Stott <grahams@redhat.com>
550 * function.c (locate_and_pad_parm): Also pad initial offset
551 so that the total argument size also includes the padding.
553 2001-07-26 Graham Stott <grahams@redhat.com>
555 * gensupport.c (alter_output_for_insn): Correct enable checking failure
556 change XSTR to XTMPL.
558 (process_one_cond_exec): Likewise
560 2001-07-25 Richard Henderson <rth@redhat.com>
562 * varasm.c (assemble_variable): Create DECL_RTL before setting
565 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
567 * predict.c (estimate_probability): Avoid duplicated predictions.
569 * loop.c (find_and_verify_loops): Grok multiple barriers.
571 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
573 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
575 * dbxout.c: Consistently use putc instead of fputc.
576 (print_wide_int): New function; call instead of direct fprintf.
577 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
578 (dbxout_type_fields, dbxout_type_method_1): Likewise.
579 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
580 (print_int_cst_octal): Likewise.
581 (print_octal): Show we wrote characters.
582 (dbxout_type): Set have_used_extensions in more places.
584 2001-07-25 Catherine Moore <clm@redhat.com>
586 * config/v850/v850.c (v850_va_arg): Use addr
587 instead of valist to build incr.
589 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
591 * flow.c (delete_dead_jumptables): New function.
592 (life_analyzis): Call it.
593 * bb-reorder.c (skip_insns_after_block): Handle contradictory
596 2001-07-25 Richard Henderson <rth@redhat.com>
598 * except.c (reachable_handlers): Handle a region being removed
599 out from under a RESX.
601 2001-07-25 Richard Henderson <rth@redhat.com>
603 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
604 swap GE/GT if it is an fp comparison.
606 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
608 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
611 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
613 * ssa.c (rename_insn_1): Do not wrap an assignment to a
614 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
617 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
619 (visit_expression): When attempting to simplify an expression,
620 retrieve any modes for arguments before they are simplified
623 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
624 Janis Johnson <janis@us.ibm.com>
626 * stmt.c (expand_goto): A nonlocal goto can be a call too.
627 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
628 pointer parameters to match documented usage of nonlocal_goto.
629 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
630 parameters to their correct order.
631 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
632 parameters to their correct order.
634 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
636 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
638 2001-07-25 Jan Hubicka <jh@suse.cz>
639 Richard Henderson <rth@redhat.com>
641 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
643 (make_edges): New argument update_p; populate the edge cache if set.
644 (find_basic_blocks): Update make_edges invocation.
646 2001-07-24 Joel Sherrill <joel@OARcorp.com>
648 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
650 2001-07-24 Joel Sherrill <joel@OARcorp.com>
652 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
653 -Acpu and -Amachine.h.
654 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
655 Corrected header to say ELF not a.out.
656 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
657 when given -msoft-float.
659 2001-07-24 Joel Sherrill <joel@OARcorp.com>
661 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
662 extra multilib parts like arm-elf.
663 (i960-*-coff*, i960-*-rtems): Should not use collect2.
664 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
665 crtfini.o as extra multilib parts.
667 2001-07-24 Joel Sherrill <joel@OARcorp.com>
669 * configure.in: Add rtems as a supported thread model.
670 * gthr-rtems.h: Add missing entry point __gthread_active_p.
671 * configure: Rebuilt.
673 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
675 * stor-layout.c (get_mode_alignment): make it work when
676 BITS_PER_UNIT is not a power of two.
677 * builtins.c (get_pointer_alignment): Likewise.
679 2001-07-24 Richard Henderson <rth@redhat.com>
681 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
682 the retrieved constant into the expected mode.
684 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
686 * flow.c (try_simplify_condjump): Avoid duplicated edges.
687 (verify_flow_info): Check for duplicated edges; clarify
690 * flow.c (block_label): Update basic_block_for_insn.
691 (commit_edge_insertions): Call compute_bb_for_insn.
693 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
696 * flow.c (redirect_edge_and_branch,
697 try_optimize_cfg): Use redirect_edge_succ_nodup
698 (redirect_edge_succ_nodup): New.
699 * basic_block.h (redirect_edge_succ_nodup): Declare.
701 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
704 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
706 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
707 (try_crossjump_to_edge): Update commetns.
708 (try_crossjump_bb): Likewise.
710 2001-07-24 Richard Henderson <rth@redhat.com>
712 * combine.c (distribute_notes): Move set of need_refresh
713 for noop_move_p down to catch all cases.
715 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
717 * recog.c (split_all_insns_noflow): New.
718 * rtl.h (split_all_insns_noflow): Declare.
719 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
720 * m68hc11.c (m68hc11_reorg): Likewise.
721 * sh.c (machine_dependent_reorg): Likewise.
722 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
725 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
727 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
728 (ashlsi3_n splitter): Likewise.
729 (lshrsi3_n splitter): Likewise.
731 (GOTaddr2picreg): Make const SImode.
732 (sym_label2reg): Likewise.
733 (symGOT2reg): Likewise.
734 (symGOTOFF2reg) Likewise.
736 (casesi_worker_0): Make unspec SImode.
738 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
740 * config/sh/sh.c (barrier_align): Check that an operand really is
741 an insn before extracting its INSN_CODE.
743 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
745 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
748 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
749 for SImode to prevent overflow.
751 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
753 * config/mips/irix6-libc-compat.c: New file.
754 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
755 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
758 2001-07-24 lars brinkhoff <lars@nocrew.org>
760 * rtl.texi (REG_POINTER): Document.
761 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
762 QFmode, HFmode, TQFmode, QCmode, and HCmode.
764 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
766 * flow.c (delete_noop_moves): Do not confuse libcall regions.
768 2001-07-23 Richard Henderson <rth@redhat.com>
770 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
772 2001-07-23 Kazu Hirata <kazu@hxi.com>
774 * config/h8300/h8300-protos.h: Add a prototype for
775 general_operand_dst_push.
776 * config/h8300/h8300.c (general_operand_dst_push): New.
777 * config/h8300/h8300.h (OK_FOR_T): New.
778 (EXTRA_CONSTRAINT): Use it.
779 * config/h8300/h8300.md (movqi_push): Remove and integrate into
780 the existing movqi pattern.
781 (movhi_push): Likewise.
783 * reload.c: Fix comment typos.
785 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
787 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
789 2001-07-23 H.J. Lu (hjl@gnu.org)
791 * doc/extend.texi: Update __builtin_return_address and
792 __builtin_frame_address.
794 2001-07-23 Richard Henderson <rth@redhat.com>
796 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
798 * config/i386/i386.md: New setcc+movzbl peephole2.
800 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
802 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
803 * objc/objc-act.c: Include debug.h.
804 (synth_module_prologue): Save and restore debug hooks too.
806 2001-07-23 lars brinkhoff <lars@nocrew.org>
808 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
809 and C4X_FLOAT_FORMAT.
810 (BOOL_TYPE_SIZE): Document.
812 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
814 * unroll.c (loop_iterations): Fix miscalculation of initial
817 2001-07-13 Andrew Haley <aph@redhat.com>
819 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
820 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
821 * config/sh/sh.c (sh_can_redirect_branch): New function.
822 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
823 * reorg.c (steal_delay_list_from_target): Use
824 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
826 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
828 * flow.c (try_simplify_condjump): Unlink insn chain on
829 fallthru edge; use can_fallthru.
831 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
833 * basic-block.h (find_sub_basic_block): Declare.
834 * flow.c (make_edges): New arguments MIN and MAX;
835 (find_sub_basic_blocks): Revamp to use make_edges
836 and purge_dead_edges.
837 (find_basic_blocks): Update call of find_sub_basic_block.
839 * recog.c (split_all_insns): Always expect CFG to be consistent;
840 call find_sub_basic_blocks in case something has changed.
841 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
844 * basic-block.h (delete_noop_moves): Declare.
845 * combine.c (combine_instructions): Call it.
846 (recog_for_combine): Tolerate noop moves
847 (distribute_notes): Force refresh when register dies at noop move.
848 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
850 (life_analysis): Update delete_noop_moves call.
851 (set_noop_p): Move too ...
852 * rtlanal.c (noop_move_p): ... here.
853 * rtl.h (noop_move_p): Declare.
855 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
856 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
858 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
859 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
861 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
863 * reload.c (push_reload): Fix typo in comment.
864 (find_reloads_address): Ditto.
865 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
867 2001-07-22 Richard Henderson <rth@redhat.com>
869 * flow.c: Grammar check and clarify a lot of comments.
870 (try_simplify_condjump): Rename variables to be clearer.
871 (try_forward_edges): Skip complex and fallthru edges.
872 Rearrange tests to avoid duplicate checks.
873 (flow_find_cross_jump): Likewise.
874 (outgoing_edges_match): Allow match if neither branch has
875 probability data. Loosen probability match to 5%.
876 (try_crossjump_to_edge): Hoist repeated indirection into
878 (try_crossjump_bb): Don't check complex edges. Eliminate
879 redundant crossjump tests.
880 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
881 checks before more expensive checks.
883 2001-07-22 Richard Henderson <rth@redhat.com>
885 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
886 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
889 2001-07-22 Richard Henderson <rth@redhat.com>
891 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
892 (const_sint32_operand): Likewise.
893 * m68k.md (anon mulsi pattern): Use const_int_operand not
894 const_sint32_operand.
895 (umulsi3_highpart): Zero extend a constant input.
896 (smulsi3_highpart): Don't bother checking SImode constant.
897 (const_umulsi3_highpart): Give op3 DImode.
898 (const_smulsi3_highpart): Likewise.
900 2001-07-22 Richard Henderson <rth@redhat.com>
902 * flow.c (split_block): Make sure bb_note is included in the
903 new block when splitting before a label.
905 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
907 * basic-block.h (redirect_edge_and_branch_force,
908 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
909 * flow.c (redirect_edge_and_branch_force,
910 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
911 (redirect_edge_and_branch_force): Fix copying of lifeness information.
912 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
913 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
914 instead of label; update CFG after transformation.
915 (find_if_case_1): Update call, use redirect_edge_and_branch_force
916 for finishing the transformation; handle even case where ELSE
917 does not follow THEN.
918 (find_if_case_2): Update call of dead_or_predictable; simplify
921 * emit-rtl.c (split_branch_probability): New global variable.
922 (try_split): Take care to set split_branch_probability and
923 create REG_BR_PROB note for new jump insns.
924 * md.texi (define_split): Document new feature.
926 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
928 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
930 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
931 (asm_out_file): Remove redundant declaration.
932 (assemble_asm): Remove old #if 0 block.
933 (assemble_variable): Remove end of function; debug output is
934 now handled with global_decl. Remove old #if 0 block. Update.
935 Remove saved_in_section and associated no-op code.
936 * Makefile.in (varasm.o): Correct dependencies.
938 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
940 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
941 the definition in defaults.h.
943 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
945 * jump.c: Update comments.
946 (delete_barrier_successors, delete_unreferenced_labels,
947 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
948 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
949 jump_optimize, jump_optimize_minimal): Kill.
950 (rebuild_jump_labels): Move code from jump_optimize_1.
951 (purge_line_number_notes): Likewise.
952 (copy_loop_headers): Likewise.
953 * reg-stack.c: Update comment.
955 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
956 JUMP_AFTER_REGSCAN): Kill.
957 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
958 purge_line_number_notes and copy_loop_headers.
960 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
961 Richard Henderson <rth@redhat.com>
963 * dbxout.c (dbxout_global_decl): New.
964 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
965 * sdbout.c (sdbout_finish): New.
966 (sdbout_debug_hooks): Use it, add comments.
967 (sdbout_global_decl): Defer initialised public vars to
969 * varasm.c (assemble_variable): Don't output debug information
970 for file-scope variables.
972 2001-07-22 Richard Henderson <rth@redhat.com>
974 * config/alpha/alpha.c (get_trap_mode_suffix): New.
975 (get_round_mode_suffix): New.
976 (print_operand): Use them for [/]. Remove support for [&'`()+].
977 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
978 * config/alpha/alpha.md (attr round_suffix): New.
979 (attr trap_suffix): New.
980 (all insns): Set them appropriately. Use %/ instead of the
983 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
985 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
987 2001-07-22 Richard Henderson <rth@redhat.com>
989 * regrename.c (regrename_optimize): Compute nregs for each
990 potential target register.
992 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
993 Richard Henderson <rth@redhat.com>
995 * dbxout.c (dbxout_global_decl): New.
996 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
997 * sdbout.c (sdbout_finish): New.
998 (sdbout_debug_hooks): Use it, add comments.
999 (sdbout_global_decl): Defer initialised public vars to
1001 * varasm.c (assemble_variable): Don't output debug information
1002 for file-scope variables.
1004 2001-07-21 H.J. Lu (hjl@gnu.org)
1006 * config/mips/mips.c (mips_cpu): Moved into ...
1007 (override_options): Here.
1009 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
1011 (mips_cpu): Removed.
1013 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1015 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
1016 ("iorqi3"): Likewise.
1017 ("xorqi3"): Likewise.
1018 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
1019 ("*subhi3_sp): Likewise.
1020 ("*subhi3"): Likewise.
1021 ("extendhisi2"): Accept D, X and Y as source operand to avoid
1024 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
1026 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
1027 * config/freebsd.h: Likewise.
1028 * config/linux.h: Likewise.
1029 * config/openbsd.h: Likewise.
1030 * config/alpha/linux-elf.h: Likewise.
1031 * config/arm/linux-elf.h: Likewise.
1032 * config/d30v/d30v.h: Likewise.
1033 * config/fr30/fr30.h: Likewise.
1034 * config/ia64/aix.h: Likewise.
1035 * config/ia64/ia64.h: Likewise.
1036 * config/mips/linux.h: Likewise.
1037 * config/pj/pj.h: Likewise.
1038 * config/rs6000/linux.h: Likewise.
1039 * config/sparc/linux.h: Likewise.
1040 * config/sparc/linux64.h: Likewise.
1042 2001-07-20 Bruce Korb <bkorb@gnu.org>
1044 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
1045 because getc() and char* may disagree on signedness.
1047 2001-07-20 Richard Henderson <rth@redhat.com>
1049 * doc/rtl.texi (REG_DEAD): Update for current semantics.
1051 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
1052 insns to delete in the presence of cc0 in a jump insn.
1054 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
1055 Jan Hubicka <jh@suse.cz>
1057 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
1058 of doing the change by hand.
1060 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
1062 * rtlanal.c (set_noop_p): Return true for noop jumps.
1064 * expr.c (emit_single_push_insn): Add call to push expander.
1065 * expr.h (optab_index): Add OTI_push
1066 (push_optab): New constant.
1067 * genopinit.c (optabs): Add push_optab.
1068 * optabs.c (init_optab): Init push optab.
1069 * md.texi (push??1): Document
1071 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1073 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
1074 expand to emit the pattern; put a REG_INC note for push/pop
1076 ("movdf", "movdf_internal"): Likewise.
1077 ("movsi", "movsi_internal"): Likewise.
1078 ("movsf", "movsf_internal"): Likewise.
1079 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
1081 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1083 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
1086 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
1088 * params.def: Change default max inline insns to 100.
1090 2001-07-20 Diego Novillo <dnovillo@redhat.com>
1092 * combine.c (combine_simplify_rtx): Generate a new shift operation
1093 when simplifying the first operand of a (neg (ashift)) expression.
1095 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1097 * regclass.c (N_REG_INTS): Use only 32 bits per element.
1099 2001-07-20 Kelley Cook <kelley.cook@home.com>
1101 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
1102 information. Move rest into ...
1103 (*-*-solaris): ... here. Eliminate redundant information and
1104 reword necessary packages section. Delete 4.x assembler bug info.
1105 (sparc-sun-*): Merge into ...
1106 (sparc-sun-sunos*): here.
1108 2001-07-20 Catherine Moore <clm@redhat.com>
1110 * config/v850/v850.md (casesi): Generate LABEL_REF
1113 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
1115 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
1116 * i386.c (ix86_zero_extend_to_Pmode): Make global.
1117 * i386.md (strclrsi expander): Use it.
1119 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1121 * integrate.c (copy_insn_list): handle
1122 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
1123 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
1124 identically as to CODE_LABEL.
1126 * fold-const (fold): Convert A/B/C to A/(B*C) and
1129 * except.c (connect_post_landing_pads): Delete the RESX insns.
1131 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
1133 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
1135 * config/mips/mips.md (nmadd/nmsub): Use macro.
1137 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
1139 * cppinit.c (remove_dup_dir): Make static.
1140 (remove_dup_dirs): Make static. Only warn about preempting a
1141 system directory with a non-system directory.
1143 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
1145 * ifcvt.c (noce_try_store_flag_constants): Correct order
1146 of parameters to trunc_int_for_mode.
1148 2001-07-19 Mark Mitchell <mark@codesourcery.com>
1150 * reorg.c (fill_simple_delay_slots): If an instruction might throw
1151 an exception that will be caught within this function, do not fill
1152 its delay slot with any subsequent instruction.
1154 2001-07-19 Steve Ellcey <sje@cup.hp.com>
1156 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
1157 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
1158 pointer extension instruction.
1159 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
1160 * simplify-rtx.c (simplify_unary_operation) Likewise.
1161 * explow.c (convert_memory_address) Check value of
1162 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
1164 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
1165 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
1166 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
1167 Add Multilib Support.
1168 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
1169 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
1170 Add Multilib Support.
1171 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
1173 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
1174 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
1175 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
1177 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
1179 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
1180 old and new operands in `<', `3' and `b'.
1182 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
1184 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
1185 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
1186 (toplev.o): Don't depend on xcoffout.h.
1187 * c-decl.c: Include debug.h
1188 (duplicate_decls): Use debug hook.
1189 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
1190 (dbx_debug_hooks, xcoff_debug_hooks): Update.
1191 (dbxout_types): Remove.
1192 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
1193 * debug.c (do_nothing_debug_hooks): Update.
1194 (debug_true_tree, debug_nothing_rtx): New.
1195 * debug.h (struct rtx_def): New.
1196 (struct gcc_debug_hooks): New hooks ignore_block,
1197 outlining_inline_function and label.
1198 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
1199 dwarf2out_frame_finish): New.
1200 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
1201 Make static, update prototype.
1202 (dwarf2_debug_hooks): Update.
1203 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
1204 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
1205 * dwarfout.c (dwarf_debug_hooks): Update.
1206 * emit-rtl.c: Include debug.h.
1207 (remove_unnecessary_notes): Use debug hook.
1208 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
1209 (final_scan_insn): Use debug hook.
1210 * integrate.c (output_inline_function): Use debug hook.
1211 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
1212 (sdb_debug_hooks): Update.
1213 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
1214 * toplev.c: Don't include xcoffout.h.
1215 (note_outlining_of_inline_function, debug_ignore_block): Remove.
1216 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
1218 * tree.h (dwarf2out_do_frame): Remove.
1220 2001-07-19 Catherine Moore <clm@cygnus.com>
1222 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
1224 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
1226 * reload1.c (eliminate_regs_in_insn): When updating a set
1227 to the frame pointer to the hardware frame pointer, perform
1228 the update always not just when REPLACE is set.
1230 * reload1.c (choose_reload_regs): Don't inherit a reload
1231 that crosses multiple registers if registers past the first
1232 don't fit in the desired class.
1234 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
1235 when negating constants.
1237 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
1239 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
1240 * doc/tree.texi: Ditto.
1242 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
1243 Jakub Jelinek <jakub@redhat.com>
1245 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
1246 (extract_cie_info): Handle "eh" augmentation properly,
1248 (struct frame_state, __frame_state_for): New.
1250 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1252 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
1253 HANDLE_SYSV_PRAGMA): Define.
1254 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
1256 (copy_object): Caller changed.
1258 2001-07-19 Andreas Schwab <schwab@suse.de>
1260 * configure.in (assembler dwarf2 debug_line support): Define nop
1262 * configure: Regenerated.
1264 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
1266 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
1268 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
1269 to conditionally compiled block.
1270 (dbx_debug_hooks, xcoff_debug_hooks): Update.
1271 * dbxout.h (dbxout_function): Remove.
1272 * debug.c (do_nothing_debug_hooks): Update.
1273 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
1274 global_decl, deferred_inline_function.
1275 * dwarf2out.c (dwarf2_debug_hooks): Update.
1276 (dwarf2out_global_decl): New.
1277 * dwarfout.c: Don't include dwarfout.h.
1278 (dwarfout_global_decl, dwarfout_function_decl,
1279 dwarfout_deferred_inline_function): New.
1280 (dwarf_debug_hooks): Update.
1281 * dwarfout.h: Remove.
1282 * final.c: Don't include dwarfout.h.
1283 * sdbout.c (sdbout_global_decl): New.
1284 (sdbout_debug_hooks): Update.
1285 * toplev.c: Don't include dwarfout.h.
1286 (check_global_declarations, rest_of_compilation): Use new debug hooks.
1287 (note_deferral_of_defined_inline_function): Remove.
1288 * toplev.h (note_deferral_of_defined_inline_function): Remove.
1289 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
1290 * ch/lex.c: Don't include dwarfout.h.
1291 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
1292 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
1293 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
1294 * cp/optimize.c: Include debug.h.
1295 (maybe_clone_body): Use debug hook.
1296 * cp/semantics.c: Include debug.h.
1297 (expand_body): Use debug hook.
1298 * po/POTFILES.in: Remove dwarfout.h.
1300 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
1302 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
1303 * c-parse.in (yyerror, _yylex): Similarly.
1304 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
1305 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
1307 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
1308 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
1310 2001-07-18 Jeff Sturm <jsturm@one-point.com>
1312 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
1313 in-class declaration at -g1. Fixes c++/2814.
1315 2001-07-18 Richard Henderson <rth@redhat.com>
1317 * doc/md.texi (reload_in/out): Document restrictions in predicates
1318 and constraints for these patterns. Document empty string matching
1321 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1323 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
1325 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1327 * cse.c: Undo my previous patch.
1329 2001-07-18 Tom Tromey <tromey@redhat.com>
1332 * configure: Rebuilt.
1333 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
1335 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
1337 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
1338 Jan Hubicka <jh@suse.cz>
1340 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
1341 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
1342 * jump.c (mark_jump_label): Do not forward branches.
1344 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
1346 * cse.c (delete_trivially_dead_insns): Delete the libcall block
1347 when return value is unused.
1349 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1351 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
1353 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
1355 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
1356 on error. We can't blindly return the result of
1357 pthread_mutex_trylock because it returns a positive number on
1358 error, while we must return -1 on error.
1359 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
1361 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
1363 2001-07-18 Andreas Jaeger <aj@suse.de>
1365 * integrate.c (output_inline_function): Correct type of debug_hooks.
1367 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
1369 * combine.c (combine_simplify_rtx): DIV can be treated
1370 associatively for floats if unsafe math optimisations are enabled.
1372 2001-07-17 Richard Henderson <rth@redhat.com>
1374 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
1376 2001-07-17 Richard Henderson <rth@redhat.com>
1378 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
1379 don't force the function address into a register.
1380 (expand_call, emit_library_call_value_1): Update callers.
1381 * builtins.c (expand_builtin_apply): Likewise.
1382 * expr.h (prepare_call_address): Update decl.
1384 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
1386 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
1388 * config/i386/chorus.h: Move up.
1389 * config/sparc/chorus.h: Likewise.
1390 * config/rs6000/chorus.h: Likewise.
1391 * config/chorus.h: Moved here.
1393 2001-07-17 Andreas Schwab <schwab@suse.de>
1395 * configure.in (assembler eh_frame optimization): Handle big
1397 * configure: Regenerated.
1399 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
1401 * expr.c (epxand_expr): Convert divisions into multiplications by
1402 reciprocals if -ffast-math.
1404 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
1406 * dbxout.c (dbxout_really_begin_function): Rename to
1407 dbxout_begin_function.
1408 (dbx_debug_hooks, xcoff_debug_hooks): Update.
1409 (dbxout_begin_function): Remove.
1410 (dbxout_function): Update.
1411 (dbxout_source_line): Update prototype.
1412 * dbxout.h (dbxout_begin_function): Remove.
1413 * debug.c (do_nothing_debug_hooks): Update.
1414 (debug_nothing_tree): Update.
1415 (debug_nothing_charstar_rtx): Remove.
1416 * debug.h (union tree_node): Declare.
1417 (struct rtx_def): Remove.
1418 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
1419 begin_function. Change source_line prototype.
1420 (debug_nothing_tree): New.
1421 (debug_nothing_charstar_rtx): Delete.
1422 (dwarf2out_begin_prologue): Moved from ...
1424 * dwarf2out.c (dwarf2_debug_hooks): Update.
1425 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
1426 debug info, call dwarf2out_source_line.
1427 (dwarf2out_souce_line): Update prototype.
1428 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
1429 Change prototype, make static.
1430 (dwarfout_source_line): Update prototype.
1431 (dwarf_debug_hooks): Update.
1432 * dwarfout.h (dwarfout_begin_function): Remove.
1433 * final.c (final_start_function, final_scan_insn): Use appropriate
1434 debug hooks, update to use notice_source_line.
1435 (output_source_line): Rename notice_source_line. Don't call the
1436 source_line debug hook.
1437 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
1438 make static, update prototype.
1439 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
1441 (sdbout_end_prologue): New.
1442 (sdbout_source_line): Update prototype.
1443 (sdbout_debug_hooks): Update.
1444 (sdbout_symbol): Remove unused var.
1445 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
1447 * varasm.c: Include debug.h.
1448 (assemble_start_function): Use begin_function debug_hook.
1449 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
1450 update with prototype.
1451 (xcoffout_source_line): Update prototype.
1452 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
1454 (xcoffout_source_line): Update prototype.
1456 2001-07-17 Richard Henderson <rth@redhat.com>
1458 * c-typeck.c (build_binary_op): Do not shorten unsigned
1459 right shift after sign extension.
1461 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
1463 * combine.c (combine_simplify_rtx): Attempt to simplify
1464 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
1466 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
1467 (simplify_binary_operation, simplify_unary_operation,
1468 simplify_relational_operation): Use it.
1470 * combine.c (combine_simplify_rtx): Don't do associative law
1471 on divisions; allow associative law on floats.
1473 2001-07-17 H.J. Lu <hjl@gnu.org>
1474 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1476 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
1477 ASM_OUTPUT_WEAK_ALIAS are defined.
1478 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
1479 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
1481 * config/mips/iris5.h: ... here.
1482 (HANDLE_SYSV_PRAGMA): Defined as 1.
1483 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
1484 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
1487 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
1489 * c-parse.in (all_prefix_attributes): New variable.
1490 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
1491 (maybe_resetattrs): New production.
1492 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
1493 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
1494 notype_initdcl, nested_function, notype_nested_function,
1495 component_decl, components, components_notype,
1496 component_declarator, component_notype_declarator,
1497 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
1498 ivars, mydecl, myparm): Update. Avoid prefix attributes just
1499 after a comma being applied to more than one declarator.
1500 * doc/extend.texi (Attribute Syntax): Update. Remove
1501 documentation of bugs that are no longer present.
1503 2001-07-13 Eric Christopher <echristo@redhat.com>
1505 * config/mips/mips.h: Change TUNE_MIPS* options to use
1507 (EXTRA_SPECS): Add cc1_cpu_spec.
1508 * config/mips/mips.md (muldf3): Fix typo.
1510 2001-07-16 Richard Henderson <rth@redhat.com>
1512 * config/m68k/m68k.c: Include expr.h and reload.h.
1513 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
1514 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
1516 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
1517 Richard Henderson <rth@redhat.com>
1519 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
1520 (insn_live_p): Fix fall off end of function.
1521 (dead_libcall_p): Remove COUNTS argument; update callers.
1522 (delete_trivially_dead_insns): Remove unused variables.
1524 2001-07-17 Andreas Jaeger <aj@suse.de>
1526 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
1529 * lcm.c (optimize_mode_switching): Avoid warning for unused
1530 variable if !NORMAL_MODE.
1532 * flow.c (try_crossjump_to_edge): Remove unused variable.
1534 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
1536 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
1537 atexit declaration in stdlib.h.
1539 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
1541 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
1543 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1545 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
1546 * except.c (finish_eh_generation): Update call of cleanup_cfg;
1547 do rebuild_jump_labels instead of jump_optimize
1548 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
1549 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
1550 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
1552 * flow.c: Include timevar.h
1553 (find_basic_block): Push/pop timevar;
1554 (cleanup_cfg): Likewise.
1555 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
1556 * Makefile: Add dependencies on timevar.h
1558 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
1559 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
1561 * rtl.h (delete_trivially_dead_insns): Add new parameter.
1562 * toplev.c (rest_of_compilation): Update calls.
1563 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
1564 (delete_trivially_dead_insns): ... here; accept new argument
1565 preserve_basic_blocks; preserve basic blocks if set.
1567 * reg-stack.c (stack_regs_mentioned): Return 0 if
1568 stack_regs_mentioned_data is not initialized.
1569 (reg_to_stack): Make stack_regs_mentioned survive after the
1570 reg-stack is completted; do not call cleanup_cfg.
1571 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
1572 make cleanup_cfg after bb-reorder to output to debug file.
1574 2001-07-16 Richard Henderson <rth@redhat.com>
1576 * regclass.c (init_reg_sets): Use only 32 bits per initializer
1577 from int_reg_class_contents.
1579 2001-07-16 Richard Henderson <rth@redhat.com>
1581 * hard-reg-set.h (regs_invalidated_by_call): Declare.
1582 * regclass.c (regs_invalidated_by_call): Move from cse.c.
1583 (init_reg_sets_1): Move initialization from cse_main.
1584 * cse.c (regs_invalidated_by_call): Move to regclass.c.
1585 (cse_main): Move its initialization also.
1586 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
1587 * flow.c (propagate_one_insn): Likewise.
1588 * gcse.c (compute_hash_table): Likewise.
1589 (compute_kill_rd, compute_store_table): Likewise.
1590 * sched-deps.c (sched_analyze_1): Likewise.
1592 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
1594 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
1597 2001-07-16 Steve Ellcey <sje@cup.hp.com>
1599 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
1600 in if statement so we don't access undefined memory.
1602 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
1604 * gcse.c: Update comment at top.
1605 Update comment on mem handling.
1606 mem_last_set, mem_first_set, mem_set_in_block: gone.
1607 Declaration of reg_set_info: gone.
1608 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
1609 pointless with load_killed_in_block_p (they are *more*
1610 conservative then it, not less, and less accurate).
1611 (oprs_not_set_p): Ditto.
1612 (alloc_gcse_mem): Don't allocate mem_set_in_block
1613 (free_gcse_mem): Don't free it, either.
1614 (record_last_mem_set_info): Update comment in front, remove
1615 mem_*set_* stuff. Note the reason we don't handle stores directly
1617 (compute_hash_table): Update comments to reflect reality. Remove
1618 mem_*set_* references.
1619 (reset_opr_set_tables): Remove mem_*set_* references.
1621 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
1622 (mark_clobber): Ditto (on both parts, we double set here too).
1623 (expr_killed_p): Remove mem_set_in_block test.
1624 (compute_transp): Remove mem_set_in_block test.
1626 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
1627 of edge, and removal of phi alternative to dump file.
1628 (ssa_ccp_substitute_constants): Add note about register now being
1629 constant, and which uses were replaced in what insns to dump file.
1631 2001-07-16 Andreas Jaeger <aj@suse.de>
1633 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
1634 variables of type HOST_WIDEST_INT.
1636 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
1637 (__bb_exit_func): Correct type of count_max to avoid overflow.
1638 (num_digits): Handle long long argument.
1640 * combine.c (gen_lowpart_for_combine): Remove unused variable.
1642 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1644 * output.h (sdb_begin_function_line): Restore as an extern
1646 * sdbout.c (sdb_begin_function_line): Make extern.
1648 2001-07-15 Richard Henderson <rth@redhat.com>
1650 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
1651 * genrecog.c (maybe_both_true_mode): New.
1652 (maybe_both_true_2): Use it.
1653 (write_switch): Don't put Pmode in a switch.
1654 * rtl.c (mode arrays): Don't explicitly size them.
1656 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1658 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
1659 handling; move unconditional splitting before mode switching.
1661 * i386.md (type): Add fistp type.
1662 (i387, length_attr, scheduling definitions): Handle this type.
1663 (fix_trunc?f?i2): Revamp to use mode switching.
1664 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
1665 * i386.h (fp_cw_mode): New enum
1666 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
1667 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
1669 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1671 * Makefile.in (integrate.o): Add debug.h.
1672 * integrate.c (debug.h): Add.
1673 (output_inline_function): Save, reset, and restore debug_hooks.
1675 2001-07-15 Richard Henderson <rth@redhat.com>
1677 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
1678 instead of COMPARE for the EQUIV expression.
1680 2001-07-15 Richard Henderson <rth@redhat.com>
1682 * flow.c (redirect_edge_and_branch_force): Initialize
1683 global_live_at_start and global_live_at_end.
1684 (allocate_bb_life_data): Export.
1685 * basic-block.h (allocate_bb_life_data): Declare.
1686 * toplev.c (rest_of_compilation): Call it.
1688 2001-07-15 Richard Henderson <rth@redhat.com>
1690 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
1691 (alpha_tablejump_best_label): New.
1692 * config/alpha/alpha-protos.h: Declare them.
1693 * config/alpha/alpha.md: Use braced strings for code blocks.
1694 (tablejump_osf): Break out add with r29.
1695 (tablejump_osf_internal): Remove.
1696 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
1697 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
1699 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
1701 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
1704 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
1706 * i386-protos.h (ix86_split_fp_branch): Update prototype.
1707 (ix86_fp_jump_nontrivial_p): New.
1708 * i386.md (fp_jcc_?): Update call of split_fp_branch;
1709 use ix86_fp_jump_nontrivial_p.
1710 * i386.c (ix86_fp_jump_nontrivial_p): New.
1711 (ix86_split_fp_branch): Accept code instead of rtx.
1712 (ix86_expand_compare): Expand comparison early in case
1713 doing so is resonably cheap.
1715 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
1717 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
1719 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
1720 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
1722 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
1724 * dbxout.c (dbxout_source_line): Make static, update prototype.
1725 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
1726 (dbxout_init, dbxout_finish, dbxout_source_line,
1727 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
1728 * dbxout.h (dbxout_source_line): Delete.
1729 * debug.c (debug_nothing_file, debug_nothing_file_int,
1730 debug_nothing_file_charstar_rtx): New.
1731 (do_nothing_debug_hooks): Update.
1732 (debug_nothing_void, debug_nothing_charstar_rtx,
1733 dwarf2out_end_epilogue): New.
1734 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
1735 * debug.h (struct rtx_def): Declare.
1736 (gcc_debug_hooks): New hooks source_line, end_epilogue
1738 (debug_nothing_void, debug_nothing_charstar_rtx,
1739 dwarf2out_end_epilogue): New.
1740 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
1741 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
1742 (dwarf2_debug_hooks): Update.
1743 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
1744 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
1745 * dwarf2out.h (dwarf2out_source_line): Remove.
1746 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
1747 Make static, update prototype.
1748 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
1749 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
1750 (dwarf_debug_hooks): Update.
1751 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
1752 dwarfout_end_function): Remove.
1753 * final.c (profile_function): Use debug hooks for ending functions
1755 (output_source_line, final_end_function): Update prototype,
1757 (final_start_function, final_scan_insn): Update.
1758 * output.h (sdb_begin_function_line): Remove.
1759 (final_end_function): Update prototype.
1760 * sdbout.c (sdb_begin_function_line): Make static.
1761 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
1762 (sdbout_source_line): New.
1763 (sdbout_end_epilogue, sdbout_end_function): Make static, update
1765 (sdb_debug_hooks): Update.
1766 (sdbout_init, sdbout_source_line,
1767 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
1768 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
1769 * toplev.c (compile_file, rest_of_compilation): Update.
1770 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
1771 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
1772 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
1773 Update for prototype changes.
1774 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
1775 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
1777 2001-07-15 Richard Henderson <rth@redhat.com>
1779 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
1780 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
1781 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
1782 * config/alpha/alpha.c: Likewise.
1783 * config/alpha/alpha.md: Likewise.
1784 * config/alpha/alpha32.h: Likewise.
1785 * config/alpha/vms.h: Likewise.
1788 2001-07-14 Richard Henderson <rth@redhat.com>
1790 * config/alpha/alpha.md: Use define_constants for unspec values.
1791 Substitute throughout.
1793 2001-07-14 Tim Josling <tej@melbpc.org.au>
1795 * tree.def (EXPON_EXPR) remove. Never supported anyway.
1797 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
1799 * pa.md: Remove unused constraints from define_split's.
1801 2001-04-14 Richard Henderson <rth@redhat.com>
1803 * ifcvt.c (find_cond_trap): Test for exit block.
1805 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
1807 Re-install recently reverted patch.
1808 * emit-rtl.c (try_split): Update mark_jump_label call.
1809 * flow.c (find_sub_basic_blocks): Likewise.
1810 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
1812 (mark_all_labels): Kill second parameter.
1813 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
1814 (rebuild_jump_labels, jump_optimize_minimal): Update call
1816 (jump_optimize_1): Kill crossjumping code.
1817 (mark_jump_label): Kill cross_jump parameter.
1818 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
1819 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
1820 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
1822 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
1824 (dump_file_info): Likewise.
1825 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
1826 reorganize passes to do reg-stack first, bb-reorder second.
1827 * invoke.texi (-d letters doc): Remove the jump2 pass.
1829 2001-07-14 Richard Henderson <rth@redhat.com>
1831 * ifcvt.c (find_cond_trap): New.
1832 (find_if_header): Call it.
1833 (merge_if_block): Relax existing jump sanity check.
1834 * jump.c (jump_optimize_1): Remove conditional trap handling.
1836 2001-07-14 Alan Modra <amodra@bigpond.net.au>
1838 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
1840 (insn_refs_are_delayed): Correct comment.
1841 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
1842 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
1843 instead of r31. Make associated insn !TARGET_64BIT, and
1844 provide an additional 64-bit insn that clobbers r2.
1846 (udivsi3): Likewise.
1848 (umodsi3): Likewise.
1850 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
1852 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
1854 * flow.c (redirect_edge_and_branch_force, split_edge,
1855 try_crossjump_to_edge): Use set_block_for_new_insns.
1856 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
1858 2001-07-13 H.J. Lu (hjl@gnu.org)
1860 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
1863 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
1865 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
1867 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
1869 * c-common.c (decl_attributes): Take a pointer to the node to
1870 which attributes are to be attached, and a flags argument.
1871 * c-common.h (enum attribute_flags): New.
1872 (decl_attributes): Update prototype.
1873 * c-decl.c (start_decl, push_parm_decl, finish_struct,
1874 finish_enum, start_function): Update calls to decl_attributes.
1875 * c-parse.in (component_declarator, component_notype_declarator,
1876 label): Update calls to decl_attributes.
1878 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
1880 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
1881 * config/avr/avr.c (legitimate_address_p): Return value changed
1882 from letter to register classes. For better debugging.
1884 2001-07-13 Kazu Hirata <kazu@hxi.com>
1886 * jump.c (reversed_comparison_code_parts): Fix comment typos.
1888 2001-07-13 H.J. Lu (hjl@gnu.org)
1890 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
1892 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
1894 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
1895 correctly for shared configurations.
1896 * config/t-libgcc-pic: New.
1897 * config/{i386,m68k,sparc}/t-openbsd: New.
1898 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
1899 Support -shared. Support debugging libraries with -g.
1900 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
1901 frame information does not emit pointer diffs.
1902 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
1905 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
1907 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
1909 2001-07-13 David Edelsohn <edelsohn@gnu.org>
1911 * combine.c (try_combine): Ensure const_int pow2 is positive.
1913 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
1915 * config.gcc: Add configuration for s/390.
1916 * config/s390/s390.c: New. Subroutines for code generation.
1917 * config/s390/s390.h: New. Definitions for s/390.
1918 * config/s390/s390-protos.h: New. Prototypes.
1919 * config/s390/linux.h: New. Definitions for linux for s/390.
1920 * config/s390/linux64.h: New. Definitions for linux for zSeries.
1921 * config/s390/t-linux: New. Makefile fragment.
1922 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
1923 * config/s390/fixdfdi.h: New. Fix L_fix*di.
1925 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
1927 * emit-rtl.c (try_split): Update mark_jump_label call.
1928 * flow.c (find_sub_basic_blocks): Likewise.
1929 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
1931 (mark_all_labels): Kill second parameter.
1932 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
1933 (rebuild_jump_labels, jump_optimize_minimal): Update call
1935 (jump_optimize_1): Kill crossjumping code.
1936 (mark_jump_label): Kill cross_jump parameter.
1937 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
1938 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
1939 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
1941 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
1943 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
1944 reorganize passes to do reg-stack first, bb-reorder second.
1945 * invoke.texi (-d letters doc): Remove the jump2 pass.
1947 2001-07-12 Steve Ellcey <sje@cup.hp.com>
1949 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
1951 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1953 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
1955 (verify_flow_info): Make diagnostics prettier.
1957 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1959 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
1961 * flow.c (outgoing_edges_match): Return early if condition reversal
1964 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
1966 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
1967 (mips_move_2words): When splitting a move into two instructions,
1968 prefix the second address operand with '%D'.
1970 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
1972 * Makefile.in (final.o): Depend on debug.h.
1973 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
1974 (dbx_debug_hooks): Add new hooks.
1975 (xcoff_debug_hooks): New.
1976 * debug.c (debug_nothing_file_int_int): New.
1977 (do_nothing_debug_hooks): Update.
1978 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
1979 (debug_nothing_file_int_int): New.
1980 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
1981 static, update prototype.
1982 (dwarf2_debug_hooks): Update.
1983 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
1984 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
1985 static, update prototype.
1986 (dwarf_debug_hooks): Update.
1987 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
1988 * final.c: Include debug.h.
1989 (final_scan_insn): Use debug hooks when beginning and ending blocks.
1990 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
1991 static, update prototype.
1992 (sdb_debug_hooks): Update.
1993 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
1994 * toplev.c: Distinguish between xcoff and dbx.
1996 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
1997 Call all debug hooks, not just dwarf ones.
1999 2001-07-11 Timothy Wall <twall@redhat.com>
2001 * config.gcc: Add configuration for AIX5/IA64.
2002 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
2003 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
2004 support prefix/suffix code.
2005 * config/ia64/t-aix: New. Makefile fragment.
2006 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
2008 2001-07-11 Kazu Hirata <kazu@hxi.com>
2010 * recog.c (validate_change): Fix a comment typo.
2012 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
2014 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
2015 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
2017 * dbxout.c (dbx_debug_hooks): Add new hooks.
2018 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
2020 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
2022 * dbxout.h (dbxout_start_new_source_file,
2023 dbxout_resume_previous_source_file): Delete.
2024 * debug.c (do_nothing_debug_hooks): Add new hooks.
2025 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
2026 (debug_nothing_int_charstar, debug_nothing_int): New.
2027 * debug.h (gcc_debug_hooks): New hooks define, undef,
2028 start_source_file and end_source_file.
2029 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
2030 (debug_nothing_int_charstar, debug_nothing_int): New.
2031 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
2032 the conditionally compiled section.
2033 (dwarf2out_start_source_file, dwarf2out_end_source_file,
2034 dwarf2out_define, dwarf2out_undef): Make static.
2035 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
2036 dwarf2out_define, dwarf2out_undef): Remove.
2037 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
2038 (dwarfout_start_source_file, dwarfout_end_source_file,
2039 dwarfout_define, dwarfout_undef): Make static.
2040 (dwarfout_start_source_file_check,
2041 dwarfout_end_source_file_check): New.
2042 (dwarfout_define, dwarfout_finish): Update.
2043 * dwarfout.h (dwarfout_start_new_source_file,
2044 dwarfout_resume_previous_source_file, dwarfout_define,
2045 dwarfout_undef): Remove.
2046 * sdbout.c (sdb_debug_hooks): Add new hooks.
2047 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
2049 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
2050 make static, take an arg.
2051 * sdbout.h (sdbout_start_new_source_file,
2052 sdbout_resume_previous_source_file): Delete.
2053 * toplev.c (debug_start_source_file, debug_end_source_file,
2054 debug_define, debug_undef): Delete.
2055 * toplev.h (debug_start_source_file, debug_end_source_file,
2056 debug_define, debug_undef): Delete.
2058 * java/jcf-parse.c: Include debug.h.
2059 (parse_class_file): Update to use debug hooks directly.
2060 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
2062 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2064 * alias.c (set_mem_alias_set): New function.
2065 * rtl.h (set_mem_alias_set): Declare it.
2066 * builtins.c (expand_builtin_return_addr): Call it instead of
2067 using MEM_ALIAS_SET accessor.
2068 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
2069 (get_memory_rtx, expand_builtin_va_arg): Likewise.
2070 (expand_builtin_va_copy):Likewise.
2071 * caller-save.c (setup_save_areas): Likewise.
2072 * calls.c (compute_argument_addresses): Likewise.
2073 * explow.c (set_mem_attributes): Likewise.
2074 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
2075 (expand_assignment, store_constructor_field, store_field): Likewise.
2076 (expand_expr_unaligned): Likewise.
2077 * function.c (assign_stack_temp_for_type): Likewise.
2078 (put_reg_into_stack, gen_mem_addressof): Likewise.
2079 * ifcvt.c (noce_try_cmove_arith): Likewise.
2080 * reload1.c (reload, alter_reg): Likewise.
2081 * config/alpha/alpha.c (get_aligned_mem): Likewise.
2082 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
2083 (alpha_expand_unaligned_store): Likewise
2084 (alpha_expand_unaligned_load_words): Likewise.
2085 (alpha_expand_unaligned_store_words): Likewise.
2086 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
2087 (alpha_expand_epilogue): Likewise.
2088 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
2089 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
2090 * config/i386/i386.c (legitimize_pic_address): Likewise.
2091 * config/i960/i960.c (setup_incoming_varargs): Likewise.
2092 * config/ia64/ia64.c (spill_restore_mem): Likewise.
2093 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
2094 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
2095 * config/mips/mips.c (mips_va_arg): Likewise.
2096 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
2097 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
2098 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
2099 (setup_incoming_varargs, rs6000_va_arg): Likewise.
2100 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
2101 (rs6000_emit_epilogue): Likewise.
2102 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
2103 * config/sparc/sparc.c (sparc_va_arg): Likewise.
2104 * config/v850/v850.c (v850_va_arg): Likewise.
2106 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
2108 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
2109 when fallthru edge is present.
2110 (mege_blocks): Handle case where creation of jump insn
2113 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
2114 CLEANUP_POST_REGSTACK): New constants.
2115 * except.c (finish_eh_generation): Update call of cleanup_cfg,
2116 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
2117 * output.h (cleanup_cfg): Update prototype.
2118 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
2119 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
2120 cleanup_cfg call; kill missleading comment.
2121 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
2122 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
2123 parameter; control optimizations performed using it.
2124 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
2125 try_crossjump_bb): New functions.
2127 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
2129 * pa.c (pa_output_function_prologue): Delete prototype. Make function
2131 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
2132 pa_output_function_prologue.
2133 * pa-protos.h (pa_output_function_prologue): New prototype.
2135 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
2137 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
2138 and low to get correct sign extension in low+high test.
2140 2001-07-11 Janis Johnson <janis@us.ibm.com>
2142 * gcov.c (arcdata): Use gcov_type to fix branch percentage
2143 for large hit count.
2145 * profile.c (branch_prob): Fix .bbg info for computed gotos
2148 2001-07-11 Mark Mitchell <mark@codesourcery.com>
2150 * stmt.c (parse_output_constraint): New function, split out
2152 (expand_asm_operands): ... here. Use parse_output_constraint.
2153 * tree.h (parse_output_constraint): Declare it.
2155 2001-07-11 Richard Henderson <rth@redhat.com>
2157 * bitmap.c: Comment some functions; fiddle whitespace.
2158 (bitmap_free): Don't export.
2159 (bitmap_element_allocate): Use memset.
2160 * bitmap.h (bitmap_free): Don't declare.
2162 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
2164 * gcse.c, lcm.c, sched-deps.c:
2165 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
2167 * flow.c (flow_loops_find): Free dom if we found no loops, since
2168 we aren't going to save it.
2170 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
2173 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
2175 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
2177 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2179 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
2180 #ifndef DWARF2_DEBUGGING_INFO.
2182 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
2184 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
2186 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
2188 * config/mips/mips.c (gen_int_relational): Tell the caller not to
2189 reverse a branch if a NE comparison is implemented with GTU.
2191 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
2192 H.J. Lu <hjl@gnu.org>
2194 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
2196 (call_internal2): Likewise.
2197 (call_value_internal1): Likewise.
2198 (call_value_internal2): Likewise.
2199 (call_value_multiple_internal1): Likewise.
2200 (call_value_multiple_internal2): Likewise.
2202 2001-07-10 Kazu Hirata <kazu@hxi.com>
2204 * calls.c (emit_library_call_value_1): Fix a comment typo.
2205 * dwarf2out.c (mem_loc_descriptor): Likewise.
2206 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
2208 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
2210 * simplify-rtx.c (simplify_subreg): Fix typo in comment
2212 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2214 * recog.c (offsettable_address_p): Handle LO_SUM case.
2215 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
2216 instead of plus_constant.
2218 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2220 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
2221 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
2223 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2225 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
2226 adjust_address_nv instead of plus_constant.
2228 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
2230 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
2231 dwarf2out.o): Depend on debug.h, wrap long lines.
2232 * dbxout.c: Include debug.h.
2233 (dbx_debug_hooks): New.
2234 (dbxout_init): Make static, take just 2 args.
2235 (dbxout_finish): Make static.
2236 * dbxout.h (dbxout_init, dbxout_finish): Delete.
2237 * debug.c: New file.
2238 * debug.h: New file.
2239 * dwarf2out.c: Include debug.h.
2240 (dwarf2_debug_hooks): New.
2241 (dwarf2out_init): Make static.
2242 (dwarf2out_finish): Make static, take 2 args.
2243 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
2244 * dwarfout.c: Include debug.h.
2245 (dwarf_debug_hooks): New.
2246 (dwarfout_init): Make static.
2247 (dwarfout_finish): Make static, take 2 args.
2248 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
2249 * sdbout.c: Include debug.h.
2250 (sdb_debug_hooks): New.
2251 (sdbout_init): Make static, take 2 args.
2252 * sdbout.h (sdbout_init): Delete.
2253 * toplev.c: Include debug.h.
2255 (compile_file): Set deubg_hooks based on command line options.
2256 Use the hooks unconditionally rather than conditional compilation.
2258 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
2260 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
2261 first_insn_after_basic_block_note instead.
2263 * df.c (df_bb_refs_unlink): #if 0 out for now.
2265 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
2267 * ssa.h: Add prototype for ssa_const_prop
2268 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
2269 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
2270 (ssa_fast_dce): Remove unused variable
2272 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
2274 * diagnostic.c (finish_diagnostic): Rename to
2275 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
2278 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
2280 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
2283 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
2284 (dump_file): Only pad the demangled name with spaces if the
2285 mangled name was padded with spaces.
2287 2001-07-10 Bernd Schmidt <bernds@redhat.com>
2289 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
2292 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2294 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
2295 extraction if no direct load if either EXPAND_CONST_ADDRESS or
2298 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
2299 whether can put offset inside LO_SUM to check mode alignment, not size.
2301 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
2303 * doc/tm.texi (Misc): Fix thinko.
2305 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
2307 * regmove.c (replace_in_call_usage): Fix warnings.
2308 * sched-deps.c (add_dependence): Fix warnings.
2309 * simplify-rtx.c (simplify_subreg): Likewise.
2310 Return NULL_RTX instead of NULL.
2312 * reg-stack.c (emit_swap_insn): Eliminate warnings.
2313 (subst_asm_stack_regs): Likewise.
2315 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
2318 * dwarf2out.c (output_call_frame_info): Declare i as int.
2319 (build_abbrev_table): Declare n_alloc as int.
2320 (dwarf2out_finish): Initialize die.
2321 * except.c: Declare sjlj_funcdef_number as unsigned.
2322 (connect_post_landing_pads): Declare j as unsigned.
2323 (convert_to_eh_region_ranges): Initialize call_site.
2324 (output_function_exception_table): Initialize tt_format_size.
2325 * expr.c (move_by_pieces_1): Initialize to1.
2326 (store_constructor): Initialize minelt and maxelt.
2327 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
2328 * function.c (instantiate_decls): Avoid signed/unsigned warning.
2330 * c-decl.c (combine_parm_decls): Unused, remove.
2331 * c-tree.h: Remove prototype for combine_parm_decls.
2333 * reload.c (push_reload): Fix warning.
2334 (regno_clobbered_p): Likewise.
2335 * reload1.c (replace_pseudos_in_call_usage): Likewise.
2336 (reload_combine): Likewise.
2338 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
2339 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
2341 * bitmap.c (bitmap_operation): Change user.
2342 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
2344 2001-07-10 Eric Christopher <echristo@redhat.com>
2346 * config/mips/mips.c (override_options): Fix typo.
2348 2001-07-09 Stan Shebs <shebs@apple.com>
2350 * target.h (struct gcc_target): New fields init_builtins and
2352 * target-def.h (TARGET_INIT_BUILTINS): New macro.
2353 (TARGET_EXPAND_BUILTIN): New macro.
2354 (TARGET_INITIALIZER): Add them.
2355 * builtins.c: Include target.h.
2356 (expand_builtin): Use targetm.expand_builtin.
2357 (default_init_builtins): New function.
2358 (default_expand_builtin): New function.
2359 * expr.h (default_init_builtins): Declare.
2360 (default_expand_builtin): Declare.
2361 * c-common.c (c_common_nodes_and_builtins): Use
2362 targetm.init_builtins.
2363 * defaults.h (MD_INIT_BUILTINS): Remove.
2364 * Makefile.in (builtins.o): Depend on target.h.
2366 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
2367 (TARGET_EXPAND_BUILTIN): Define.
2368 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
2369 (MD_EXPAND_BUILTIN): Remove.
2371 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
2372 (TARGET_EXPAND_BUILTIN): Define.
2373 (c4x_init_builtins): Make endlink arg a local.
2374 (c4x_print_operand): Fix typos in adjust_address usages.
2375 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
2376 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
2377 (MD_EXPAND_BUILTIN): Remove.
2379 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
2380 (TARGET_EXPAND_BUILTIN): Define.
2381 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
2382 (ix86_init_builtins): Call new function only if TARGET_MMX.
2383 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
2384 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
2385 (MD_EXPAND_BUILTIN): Remove.
2387 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
2388 (TARGET_EXPAND_BUILTIN): Define.
2389 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
2390 (MD_EXPAND_BUILTIN): Remove.
2392 * doc/tm.texi: Document these changes.
2394 2001-07-09 Diego Novillo <dnovillo@redhat.com>
2396 * basic-block.h (tree_node): Forward declare if needed.
2397 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
2398 (BLOCK_HEAD_TREE): Define.
2399 (BLOCK_END_TREE): Define.
2400 (struct loops): Rename field 'tree' to 'tree_root'.
2401 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
2403 (flow_loops_tree_build): Rename reference to field 'tree' to
2405 (flow_loops_level_compute): Ditto.
2406 * predict.c (estimate_bb_frequencies): Ditto.
2407 * tree.h (struct tree_common): Add field 'aux'.
2409 2001-07-09 Stan Shebs <shebs@apple.com>
2411 * config/darwin.c (darwin_encode_section_info): Don't mark any
2412 DECL_EXTERNAL node as defined.
2414 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
2416 * pa.c (pa_init_machine_status, pa_mark_machine_status,
2417 pa_free_machine_status, hppa_init_pic_save): Delete.
2418 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
2419 (hppa_profile_hook): Use hppa_pic_save_rtx.
2420 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
2421 hppa_init_pic_save): Delete.
2422 (hppa_pic_save_rtx): Declare.
2423 * pa.md (call, call_value, sibcall, sibcall_value,
2424 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
2426 2001-07-09 Kazu Hirata <kazu@hxi.com>
2428 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
2429 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
2431 2001-07-09 Andreas Jaeger <aj@suse.de>
2433 * output.h: Add declaration of final_forward_branch_p.
2435 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
2437 * varray.c: Include errors.h for internal_error and trim_filename
2440 * Makefile.in (varray.o): Add errors.h.
2442 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
2444 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
2445 * optabs.c (have_add2_insn): Check whether the add insn chosen
2446 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
2447 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
2449 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
2451 * Makefile.in (OBJS): Add ssa-ccp.o
2452 (ssa-ccp.o): Add dependencies.
2453 * toplev.c (DFI_ssa_ccp): New dump file enum.
2454 (dump_file): Add entry for dumping after SSA CCP.
2455 (flag_ssa_ccp): New flag variable.
2456 (f_options): Add -fssa-ccp.
2457 (rest_of_compilation): Run SSA CCP if requested.
2458 * timevar.def (TV_SSA_CCP): New timevar.
2459 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
2460 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
2461 Fix minor typo in SSA DCE documentation.
2462 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
2463 Add documentation for new dump option. Renumber dump files
2466 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2468 * emit-rtl.c (gen_highpart_mode): New.
2469 * rtl.h (gen_highpart_mode): Declare.
2470 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
2471 operand can be VOIDmode constant.
2473 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
2475 * flow.c (redirect_edge_and_branch_force): New.
2476 (can_fallthru): Ensure that basic blocks are succeeding.
2477 (try_optimize_cfg): Do not delete basic block if it is the last one.
2479 * flow.c (try_redirect_by_replacing_jump): Do not remove
2480 jumps with side effects, unlink chain on fallthru edge;
2481 set block for new jump instruction; avoid basic block to
2482 over by line number note.
2484 * flow.c (try_simplify_condjump): Verify that the condjump
2485 is not always falling trought.
2488 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
2490 * flow.c (forwarder_block_p): Fix for fallthru blocks.
2491 (try_redirect_by_replacing_jump): Update properly the count
2492 and frequency information.
2494 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2496 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
2497 address that is a LO_SUM specially.
2498 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
2500 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
2502 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
2503 (operand_subword): Use them.
2504 (change_address_1): Renamed from change_address; new arg VALIDATE.
2505 * expr.h: Reflect above changes; change_address now macro.
2506 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
2508 * cselib.c (add_mem_for_addr): Likewise.
2509 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
2510 * regmove.c (try_apply_stack_adjustment): Likewise.
2511 * reload.c (push_reload, make_memloc): Likewise.
2512 * reload1.c (eliminate_regs): Likewise.
2513 * simplify-rtx.c (simplify_replace_rtx): Likewise.
2514 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
2516 * combine.c (make_extraction, simplify_shift_const): Likewise.
2517 (gen_lowpart_for_combine): Likewise.
2518 * cse.c (gen_lowpart_if_possible): Likewise.
2519 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
2520 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
2521 * optabs.c (gen_move_insn): Likewise.
2522 * reload1.c (alter_reg): Likewise.
2523 * simplify-rtx.c (simplify_subreg): Likewise.
2524 * stmt.c (expand_anon_union_decl): Likewise.
2525 * recog.c (validate_replace_rtx_1): Likewise.
2527 * Makefile.in (recog.o): Add $(EXPR_H).
2528 * explow.c (stabilize): Call replace_equiv_address.
2529 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
2530 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
2532 2001-07-03 Andrew Haley <aph@redhat.com>
2534 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
2535 the mode of the memory location.
2537 2001-07-09 Bo Thorsen <bo@suse.co.uk>
2539 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
2541 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
2543 * final.c (output_addr_const): Use target opening and
2544 closing parentheses.
2545 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
2546 defaults, add to TARGET_ASM_OUT.
2547 * target.h (struct gcc_target): Add open_paren and close_paren.
2548 * doc/md.texi: Update.
2549 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
2550 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
2551 TARGET_ASM_CLOSE_PAREN.
2552 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
2554 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
2556 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
2557 * config/a29k/a29k.h: Similarly.
2558 * config/alpha/alpha.h: Similarly.
2559 * config/arc/arc.h: Similarly.
2560 * config/arm/aof.h: Similarly.
2561 * config/arm/aout.h: Similarly.
2562 * config/avr/avr.h: Similarly.
2563 * config/c4x/c4x.h: Similarly.
2564 * config/clipper/clipper.h: Similarly.
2565 * config/convex/convex.h: Similarly.
2566 * config/d30v/d30v.h: Similarly.
2567 * config/dsp16xx/dsp16xx.h: Similarly.
2568 * config/elxsi/elxsi.h: Similarly.
2569 * config/fr30/fr30.h: Similarly.
2570 * config/h8300/h8300.h: Similarly.
2571 * config/i370/i370.h: Similarly.
2572 * config/i386/i386.h: Similarly.
2573 * config/i860/i860.h: Similarly.
2574 * config/i960/i960.h: Similarly.
2575 * config/ia64/ia64.h: Similarly.
2576 * config/m32r/m32r.h: Similarly.
2577 * config/m68hc11/m68hc11.h: Similarly.
2578 * config/m68k/m68k.h: Similarly.
2579 * config/m88k/m88k.h: Similarly.
2580 * config/mcore/mcore.h: Similarly.
2581 * config/mips/mips.h: Similarly.
2582 * config/mn10200/mn10200.h: Similarly.
2583 * config/mn10300/mn10300.h: Similarly.
2584 * config/ns32k/ns32k.h: Similarly.
2585 * config/pa/pa.h: Similarly.
2586 * config/pdp11/pdp11.h: Similarly.
2587 * config/pj/pj.h: Similarly.
2588 * config/romp/romp.h: Similarly.
2589 * config/rs6000/rs6000.h: Similarly.
2590 * config/sh/sh.h: Similarly.
2591 * config/sparc/sparc.h: Similarly.
2592 * config/v850/v850.h: Similarly.
2593 * config/vax/vax.h: Similarly.
2594 * config/we32k/we32k.h: Similarly.
2596 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
2598 * doc/c-tree.texi: Document representation of attributes.
2600 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
2602 * doc/tm.texi: Update some places for the rename of target to
2605 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
2607 * target.h (struct gcc_target): Add insert_attributes.
2608 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
2609 (TARGET_INITIALIZER): Update.
2610 * tree.c, tree.h (default_insert_attributes): New function.
2611 Update comments on other default functions to refer to targetm,
2613 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
2614 TARGET_INSERT_ATTRIBUTES.
2615 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
2616 * c-common.c (decl_attributes): Use targetm.insert_attributes.
2617 Don't use PRAGMA_INSERT_ATTRIBUTES.
2618 * Makefile.in (c-common.o): Depend on $(TARGET_H).
2619 * c-decl.c (start_decl, start_function): Don't call
2620 SET_DEFAULT_DECL_ATTRIBUTES.
2621 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
2622 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
2624 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
2625 (c4x_check_attribute): Avoid modifying attribute list itself.
2626 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
2628 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
2629 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
2631 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
2632 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
2634 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
2635 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
2637 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
2638 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
2639 Adjust parameters. Make static.
2641 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
2643 * c-common.c (decl_attributes): Only take a single attributes
2645 * c-common.h (decl_attributes): Update prototype.
2646 * c-decl.c (start_decl, start_function): Only take a single
2647 attributes parameter. Update calls to decl_attributes.
2648 (finish_struct, finish_enum): Update calls to decl_attributes.
2649 (push_parm_decl): Expect unified list of attributes. Update call
2651 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
2652 notype_nested_function, component_declarator,
2653 component_notype_declarator, label): Update calls to
2655 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
2656 lists that are passed to push_parm_decl.
2657 * c-tree.h (start_function, start_decl): Update prototypes.
2658 * config/sh/sh-protos.h, config/sh/sh.c
2659 (sh_pragma_insert_attributes): Only take a single attributes
2661 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
2662 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
2663 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
2664 build_module_descriptor, generate_static_references,
2665 generate_strings, build_selector_translation_table,
2666 generate_descriptor_table, generate_protocols,
2667 generate_ivars_list, generate_dispatch_table,
2668 generate_protocol_list, generate_category,
2669 generate_shared_structures, really_start_method, add_objc_decls,
2670 generate_classref_translation_entry): Update calls to start_decl
2672 (build_tmp_function_decl, start_method_def): Unify attribute lists
2673 that are passed to push_parm_decl.
2675 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
2677 * final.c (no_asm_to_stream): New.
2678 (final_scan_insn): Use target structures for prologue ends
2679 and epilogue starts.
2680 * output.h (no_asm_to_stream): New.
2681 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
2682 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
2683 (TARGET_ASM_OUT): Update.
2684 * target.h (struct gcc_target): New members function_end_prologue
2685 and function_begin_epilogue.
2686 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
2687 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
2688 * config/alpha/alpha.c (output_end_prologue): Rename to
2689 alpha_output_function_end_prologue. Use in target struct
2691 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
2692 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
2693 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
2694 ia64_output_function_end_prologue. Use in target struct
2696 (ia64_function_prologue, ia64_funciton_epilogue): Rename
2697 mistyped prototypes.
2698 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
2699 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
2701 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
2702 an use in target struct, make static.
2703 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
2706 2001-07-08 Richard Henderson <rth@redhat.com>
2708 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
2710 2001-07-08 Richard Henderson <rth@redhat.com>
2712 * config/i386/i386.md: Remove constraints strings from define_split
2713 and define_peephole2 patterns.
2714 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
2715 (eh_return): Use them.
2717 2001-07-08 Richard Henderson <rth@redhat.com>
2719 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
2720 Document MD_FALLBACK_FRAME_STATE_FOR.
2722 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2724 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
2725 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
2727 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
2729 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
2731 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
2732 of the label inside NAME as opposed to just the end of NAME.
2734 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
2736 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
2737 * config/alpha/alpha.c (alpha_init_machine_status,
2738 alpha_mark_machine_status, alpha_free_machine_status): Delete.
2739 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
2740 (vms_valid_decl_attribute_p): Make static, conditionally compile.
2741 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
2743 2001-07-06 Stan Shebs <shebs@apple.com>
2745 * target.h (targetm): Rename global from "target", so as not to
2746 conflict with local variables.
2748 * c-typeck.c: Ditto.
2752 * cp/decl2.c: Ditto.
2753 * cp/typeck.c: Ditto.
2754 * 1750a/1750a.c: Ditto.
2755 * a29k/a29k.c: Ditto.
2759 * clipper/clipper.c: Ditto.
2760 * convex/convex.c: Ditto.
2761 * d30v/d30v.c: Ditto.
2762 * dsp16xx/dsp16xx.c: Ditto.
2763 * elxsi/elxsi.c: Ditto.
2764 * fr30/fr30.c: Ditto.
2765 * h8300/h8300.c: Ditto.
2766 * i370/i370.c: Ditto.
2767 * i386/i386.c: Ditto.
2768 * i860/i860.c: Ditto.
2769 * i960/i960.c: Ditto.
2770 * ia64/ia64.c: Ditto.
2771 * m32r/m32r.c: Ditto.
2772 * m68hc11/m68hc11.c: Ditto.
2773 * m68k/m68k.c: Ditto.
2774 * m88k/m88k.c: Ditto.
2775 * mips/mips.c: Ditto.
2776 * ns32k/ns32k.c: Ditto.
2778 * pdp11/pdp11.c: Ditto.
2779 * romp/romp.c: Ditto.
2780 * rs6000/rs6000.c: Ditto.
2782 * sparc/sparc.c: Ditto.
2784 * we32k/we32k.c: Ditto.
2785 * doc/tm.texi: Update the manual to match.
2787 2001-07-06 Richard Henderson <rth@redhat.com>
2789 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
2790 DWARF2_UNWIND_INFO not just whether it is defined.
2792 2001-07-06 Diego Novillo <dnovillo@redhat.com>
2794 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
2795 call to simplify_binary_operation returns a new pattern.
2797 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2799 * glimits.h (__SHRT_MAX__): New.
2800 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
2801 (SHRT_MAX): Define in terms of __SHRT_MAX__.
2803 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
2805 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
2808 2001-07-06 Richard Henderson <rth@redhat.com>
2810 * bitmap.c (bitmap_release_memory): Move adjacent to the
2811 allocation functions.
2812 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
2813 the implementation. Binary search for the set bit.
2814 (bitmap_union_of_diff): Allocate the temporary on the stack
2815 instead of using xmalloc.
2817 2001-07-06 Richard Henderson <rth@redhat.com>
2819 * genrecog.c (validate_pattern): Warn for constraints in
2820 define_{expand,split,peephole2}. Remove strict_low_part
2821 before looking up match_dup.
2823 2001-07-06 DJ Delorie <dj@redhat.com>
2825 * doc/gcc.texi (Makefile): Rename to be a more general purpose
2826 chapter about various build hints and history. Add section
2827 talking about the various types of native and cross builds.
2829 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
2831 * Makefile.in (final.o): Depend on target.h.
2832 * final.c: Include target.h.
2833 (default_function_pro_epilogue): New.
2834 (final_start_function): Use target structure for function prologues.
2835 (final_end_function): Use target structure for function epilogues.
2836 * fold-const.c (real_hex_to_f): Constify s and p.
2837 * output.h (default_function_pro_epilogue): New.
2838 * real.h (real_hex_to_f): Update prototype.
2839 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
2840 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
2841 (TARGET_INITIALIZER): Update.
2842 * target.h (gcc_target): Add struct asm_out.
2843 * doc/tm.texi: Update.
2846 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
2847 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
2848 in cpu/cpu.c, or rename old functions consistently. Take
2849 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
2850 redundant macros and prototypes. Make new functions static.
2852 * 1750a/1750a.c: Similarly.
2853 * 1750a/1750a.h: Similarly.
2854 * a29k/a29k-protos.h: Similarly.
2855 * a29k/a29k.c: Similarly.
2856 * a29k/a29k.h: Similarly.
2857 * arc/arc-protos.h: Similarly.
2858 * arc/arc.c: Similarly.
2859 * arc/arc.h: Similarly.
2860 * arm/arm-protos.h: Similarly.
2861 * arm/arm.c: Similarly.
2862 * arm/arm.h: Similarly.
2863 * avr/avr-protos.h: Similarly.
2864 * avr/avr.c: Similarly.
2865 * avr/avr.h: Similarly.
2866 * clipper/clipper-protos.h: Similarly.
2867 * clipper/clipper.c: Similarly.
2868 * clipper/clipper.h: Similarly.
2869 * convex/convex.c: Similarly.
2870 * convex/convex.h: Similarly.
2871 * d30v/d30v-protos.h: Similarly.
2872 * d30v/d30v.c: Similarly.
2873 * d30v/d30v.h: Similarly.
2874 * d30v/d30v.md: Similarly.
2875 * dsp16xx/dsp16xx-protos.h: Similarly.
2876 * dsp16xx/dsp16xx.c: Similarly.
2877 * dsp16xx/dsp16xx.h: Similarly.
2878 * elxsi/elxsi.c: Similarly.
2879 * elxsi/elxsi.h: Similarly.
2880 * fr30/fr30.c: Similarly.
2881 * fr30/fr30.md: Similarly.
2882 * h8300/h8300-protos.h: Similarly.
2883 * h8300/h8300.c: Similarly.
2884 * h8300/h8300.h: Similarly.
2885 * i370/i370-protos.h: Similarly.
2886 * i370/i370.c: Similarly.
2887 * i370/i370.h: Similarly.
2888 * i386/i386.c: Similarly.
2889 * i386/osf1elf.h: Similarly.
2890 * i386/osfrose.h: Similarly.
2891 * i860/i860-protos.h: Similarly.
2892 * i860/i860.c: Similarly.
2893 * i860/i860.h: Similarly.
2894 * i960/i960-protos.h: Similarly.
2895 * i960/i960.c: Similarly.
2896 * i960/i960.h: Similarly.
2897 * ia64/ia64-protos.h: Similarly.
2898 * ia64/ia64.c: Similarly.
2899 * ia64/ia64.h: Similarly.
2900 * m32r/m32r-protos.h: Similarly.
2901 * m32r/m32r.c: Similarly.
2902 * m32r/m32r.h: Similarly.
2903 * m68hc11/m68hc11-protos.h: Similarly.
2904 * m68hc11/m68hc11.c: Similarly.
2905 * m68hc11/m68hc11.h: Similarly.
2906 * m68k/crds.h: Similarly.
2907 * m68k/dpx2.h: Similarly.
2908 * m68k/m68k-protos.h: Similarly.
2909 * m68k/m68k.c: Similarly.
2910 * m68k/m68k.h: Similarly.
2911 * m68k/news.h: Similarly.
2912 * m88k/m88k-protos.h: Similarly.
2913 * m88k/m88k.c: Similarly.
2914 * m88k/m88k.h: Similarly.
2915 * mips/mips-protos.h: Similarly.
2916 * mips/mips.c: Similarly.
2917 * mips/mips.h: Similarly.
2918 * ns32k/merlin.h: Similarly.
2919 * ns32k/ns32k.c: Similarly.
2920 * ns32k/ns32k.h: Similarly.
2921 * ns32k/tek6000.h: Similarly.
2922 * pa/pa-protos.h: Similarly.
2923 * pa/pa.c: Similarly.
2924 * pa/pa.h: Similarly.
2925 * pdp11/2bsd.h: Similarly.
2926 * pdp11/pdp11-protos.h: Similarly.
2927 * pdp11/pdp11.c: Similarly.
2928 * pdp11/pdp11.h: Similarly.
2929 * romp/romp-protos.h: Similarly.
2930 * romp/romp.c: Similarly.
2931 * romp/romp.h: Similarly.
2932 * rs6000/rs6000-protos.h: Similarly.
2933 * rs6000/rs6000.c: Similarly.
2934 * rs6000/rs6000.h: Similarly.
2935 * rs6000/sysv4.h: Similarly.
2936 * sh/sh-protos.h: Similarly.
2937 * sh/sh.c: Similarly.
2938 * sh/sh.h: Similarly.
2939 * sparc/sparc-protos.h: Similarly.
2940 * sparc/sparc.c: Similarly.
2941 * sparc/sparc.h: Similarly.
2942 * vax/vax.c: Similarly.
2943 * vax/vax.h: Similarly.
2944 * vax/vms.h: Similarly.
2945 * we32k/we32k.c: Similarly.
2946 * we32k/we32k.h: Similarly.
2948 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
2950 * basic-block.h (first_insn_after_basic_block_note): Declare.
2951 * flow.c (first_insn_after_basic_block_note): Define. Moved
2953 * ssa.c (first_insn_after_basic_block_note): Remove.
2954 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
2956 (ssa_eliminate_dead_code): Properly update the CFG and PHI
2957 nodes when we find a dead conditional branch. Insert BARRIERs
2958 after any blocks with no successors, but which do not have
2961 2001-07-06 Zack Weinberg <zackw@stanford.edu>
2963 * varray.c (varray_check_failed): Use internal_error.
2965 2001-07-05 Andrew Haley <aph@redhat.com>
2967 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
2968 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
2969 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
2971 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
2973 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
2974 reference if the target constant is also a SYMBOL_REF.
2976 2001-07-05 Eric Christopher <echristo@redhat.com>
2978 * config/mips/mips.h (MASK_MIPS3900): Remove.
2979 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
2980 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
2981 (TARGET_MIPS3900): Change to use mips_arch.
2982 (TARGET_MIPS4000): New.
2983 (TARGET_MIPS4100): New.
2984 (TARGET_MIPS4300): New.
2985 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
2986 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
2988 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
2989 (ISA_HAS_BRANCHLIKELY): To here.
2990 (CC1_CPU_SPEC): New.
2991 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
2992 (mips_arch_string): Declare.
2993 (mips_arch): Declare.
2994 (TARGET_OPTIONS): Add -march and -mtune.
2996 * config/mips/mips.c (mips_arch_string): New.
2998 (override_options): Handle -march for codegen and -mtune
2999 for scheduling. Use mips_arch. Move tx39 target default here.
3000 (mips_parse_cpu): Move error message to override_options.
3002 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
3004 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
3006 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
3007 (MIPS Options): Ditto. Change mcpu entry to historical text.
3009 2001-07-05 H.J. Lu (hjl@gnu.org)
3011 * config/mips/mips.c (mips_parse_cpu): New function to parse
3014 2001-07-05 Jim Wilson <wilson@redhat.com>
3016 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
3017 * config/ia64/t-ia64: Likewise.
3018 (LIB1ASMFUNCS): Update comment.
3020 2001-07-05 David Edelsohn <edelsohn@gnu.org>
3022 * doc/install.texi (Install GCC: Binaries): Fix typo.
3024 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3026 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
3027 reference using the stack pointer, adjust it since we push Y
3029 ("*ashrsi3"): Likewise.
3030 ("*lshrsi3"): Likewise.
3032 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3034 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
3035 when -fomit-frame-pointer is used.
3037 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
3039 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
3040 (try_redirect_by_replacing_jump): Reverse updating properly the
3041 count and frequency information. Reverse removing cc0 setter.
3042 (forwarder_block_p): Reverse fixing for fallthru blocks.
3044 2001-07-05 DJ Delorie <dj@redhat.com>
3046 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
3047 (translate_options): If the above is defined, use it to map
3048 given options to new options.
3049 * doc/tm.texi: Document it.
3051 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
3052 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3054 * doc/invoke.texi (Optimize Options): Document that -fgcse may
3055 cause programs using computed gotos to run more slowly.
3057 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3059 * doc/install.texi (Specific): Markup, spelling and typo fixes.
3061 Consistently require binutils 2.11.2, not prereleases.
3062 (Specific, decstation-*): Canonicalize as mips-dec-*.
3063 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
3065 (Specific, m68k-altos): Removed reference to README.altos, deleted.
3066 (Specific, mips-*): Reword MIPS C compiler requirements.
3067 (Specific, powerpc*-*-*): New, mention --with-cpu once.
3068 (Specific, sunv5): Removed, obsolete.
3070 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
3072 * dwarf2out.c (output_loc_list): Use an all ones mask for
3073 .text asm output and don't rely on long long
3074 literals. Reformat some long lines.
3076 2001-07-05 Andreas Jaeger <aj@suse.de>
3078 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
3081 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
3083 * dwarf2out.c (dwarf2out_define): Update comment.
3084 (dwarf2out_undef): Ditto.
3085 (dwarf2out_start_source_file): Ditto.
3086 (dwarf2out_end_source_file): Ditto.
3087 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
3088 since we never call the start/end debug hook for the primary file.
3090 2001-07-04 Kazu Hirata <kazu@hxi.com>
3092 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
3095 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
3097 * cppinit.c (remove_dup_dirs): Inform if a system include
3098 directory is being reordered.
3099 * doc/invoke.texi (Directory Options): GCC warns if you hide a
3101 * doc/cpp.texi (Search Paths): Likewise.
3102 * doc/gcc.texi (Interoperation): Remove information about
3105 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
3107 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
3108 (VARRAY_TOP_CHAR_PTR): Likewise.
3110 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3112 * gcc.c (process_command): Don't assign elements of a const char*.
3114 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3116 * emit-rtl.c (change_address): Don't abort if invalid address while
3117 reload is in progress.
3119 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
3121 * c-lex.c (cb_file_change): Pass line number to
3122 debug_start_source_file.
3123 (cb_undefine): Pass correct line number to debug_undef.
3125 * toplev.c (debug_start_source_file): Add line number to
3126 parameters. Pass it along to dwarf2out_start_source_file.
3127 (decode_g_option): Stop resetting debug level back to normal when
3128 we change debug formats, unless the current level is
3129 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
3132 * toplev.h (debug_start_source_file): Add line number to
3135 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
3138 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
3140 Output debug_macinfo data for starting file if requested.
3141 (dwarf2out_end_source_file): Output debug_macinfo data for ending
3143 (dwarf2out_define): Output debug_macinfo data for defining a macro
3145 (dwarf2out_undef): Output debug_macinfo data for undefining a
3147 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
3148 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
3149 (macinfo_section_label): New. DWARF2 macro info section label.
3150 (dwarf2out_init): If we want macro info, output the start label
3152 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
3153 attribute to the compilation unit die pointing to the macro info.
3155 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
3157 * dwarf2out.c (new_loc_list): Move to inside #ifdef
3158 DWARF2_DEBUGGING_INFO.
3159 (add_loc_descr_to_loc_list): Ditto.
3160 (output_loc_list): Ditto.
3161 Also, fix thinko in curr not being initialized.
3162 (gen_internal_sym): Ditto.
3164 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3166 * emit-rtl.c (replace_equiv_address): New function.
3167 * expr.h (replace_equiv_address): New declaration.
3168 * explow.c (validize_mem): Call it instead of change_address and
3169 also call if -fforce-addr and address is constant.
3170 * expr.c: Replace more calls to change_address with adjust_address
3171 and/or replace_equiv_address or to validize_mem.
3172 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
3173 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
3174 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
3175 * config/i370/i370.md, config/i860/i860.md: Likewise.
3176 * config/i960/i960.md, config/mips/mips.c: Likewise.
3177 * config/mips/mips.md, config/pa/pa.md: Likewise.
3178 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
3179 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
3181 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3183 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
3185 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
3188 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
3190 * doc/include: New directory.
3191 * doc/fdl.texi: Move to doc/include/fdl.texi.
3192 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
3193 * doc/include/funding.texi, doc/include/gpl.texi: New files.
3194 * doc/gcc.texi: Use funding.texi and gpl.texi.
3195 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
3196 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
3197 Update dependencies and use -I $(docdir)/include.
3199 2001-07-04 Anthony Green <green@redhat.com>
3201 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
3203 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3205 * doc/install.texi (sparc64-*-*): Remove garbage.
3207 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
3209 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
3210 Fix typo in last change to use adjust_address.
3212 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3214 * doc/install.texi (Specific): Update information for *-*-solaris*.
3216 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3218 * explow.c (plus_constant_wide): Reinitialize Y for restart.
3220 2001-07-03 Stan Shebs <shebs@apple.com>
3222 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
3223 case for flag_no_mach_text_sections.
3224 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
3225 * config/darwin.c (flag_no_mach_text_sections): Remove.
3226 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
3228 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3230 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
3231 and avoid checking for constant as first operand.
3232 * recog.c (find_constant_term_loc): No longer static.
3233 (adj_offettable_operand): Delete.
3234 * rtl.h (adj_offsettable_operand): Delete declaration.
3235 (find_constant_term): Add declaration.
3236 * caller-save.c: Replace calls to adj_offsettable_operand with calls
3238 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
3239 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
3240 * config/i386/i386.c, config/i386/i386.md: Likewise.
3241 * config/i860/i860.c, config/i960/i960.c: Likewise.
3242 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
3243 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
3244 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
3245 * config/mips/mips.c, config/mips/mips.md: Likewise.
3246 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
3247 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
3248 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
3249 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
3250 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
3251 * config/ns32k/ns32k.md: Likewise.
3253 2001-07-03 Zack Weinberg <zackw@stanford.edu>
3255 * rtl.c (copy_rtx): Handle 'T' format letter.
3256 * gensupport.c (collect_insn_data): Likewise.
3257 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
3259 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
3261 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
3262 -B option. Use 'dir' not 'foo' as example directory name.
3264 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3266 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
3267 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
3269 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
3271 * doc/cppinternals.texi: Improve formatting and logical markup.
3273 2001-07-03 Andreas Jaeger <aj@suse.de>
3275 * Makefile.in (insn-recog.o): Add dependency on reload.h.
3277 * genrecog.c (write_header): Include reload.h for prototypes in
3280 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
3283 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
3284 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
3285 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
3286 i386_pe_valid_type_attribute_p): Add.
3287 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
3288 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
3290 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3292 * explow.c (plus_constant_wide, case LO_SUM): New case.
3293 (plus_constant_for_output_wide): Delete.
3294 * rtl.h (plus_constant_for_output): Delete.
3295 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
3296 instead of plus_constant_for_output.
3297 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
3298 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
3299 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
3300 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
3301 * config/sparc/sparc.md: Likewise.
3302 Convert some change_address calls to adjust_address.
3304 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
3306 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
3307 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
3308 documentation of -std and -Wwrite-strings.
3310 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
3312 * cse.c (canon_hash): Don't register registers in very small
3313 register classes, as extending their lifetime might cause
3316 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3318 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
3320 * flow.c (forwarder_block_p): Fix for fallthru blocks.
3321 (try_redirect_by_replacing_jump): Update properly the count
3322 and frequency information.
3324 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
3326 * toplev.c (dump_file_index): Move SSA dumps just after first
3328 (dump_file): Corresponding changes.
3329 (rest_of_compilation): Move SSA path to just after the first
3331 * doc/gcc.texi (Passes): Update due to movement of SSA path.
3332 * doc/invoke.texi: Update dump file #s as they were completely
3333 out of date with reality.
3335 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
3337 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
3339 * expr.c (emit_move_insn_1): Deal with non-default
3342 * expr.c (emit_single_push_insn): Fix warning.
3344 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
3346 * expr.c (emit_move_insn_1): Avoid modifying
3347 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
3349 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3351 * emit-rtl.c (adjust_address): New function.
3352 * expr.h (adjust_address): Add declaration.
3353 * builtins.c: Replace some calls to change_address with calls to it
3355 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
3356 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
3357 * config/arm/arm.c, config/convex/convex.c: Likewise.
3358 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
3359 * config/i386/i386.c, config/i386/i386.md: Likewise.
3360 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
3361 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
3362 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
3363 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
3364 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
3366 2001-07-02 Jim Wilson <wilson@redhat.com>
3368 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
3370 2001-07-02 Steve Ellcey <sje@cup.hp.com>
3372 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
3373 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
3375 2001-07-02 Zack Weinberg <zackw@stanford.edu>
3377 * cppinit.c (lang_defaults): New table.
3378 (set_lang): Just read from lang_defaults into the live options
3381 2001-07-02 Zack Weinberg <zackw@stanford.edu>
3383 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
3384 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
3385 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
3387 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3389 * doc/install.texi: Various spelling and markup fixes.
3390 (Installing GCC): Component specific installation instructions are
3393 Warn about removing old install dir in the presence of shared libs.
3394 (Configuration): Invoke with options target to match configure
3396 Consistently refer to gas, gld pathnames.
3397 Invert --enable-multilib documentation.
3398 Remove references to old compiler versions.
3400 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3402 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
3404 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3406 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
3408 (Specific, mips*-sgi-irix5): Note IDO download.
3409 Reworded MIPS C hints.
3410 Use GNU as instead of GAS.
3412 Removed SGI Freeware reference, IRIX 6 only.
3413 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
3414 Note N64 library requirement/workaround.
3416 Complete list of structure passing bug victims.
3418 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3420 * doc/install.texi: Remove CVS Id.
3422 2001-07-02 Andreas Jaeger <aj@suse.de>
3424 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
3425 (find_inherently_necessary): Remove unused variable.
3427 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
3429 * c-common.h (TDI_inlined): New ast dump phase.
3430 (dump_flag_name): New function.
3431 * c-dump.c (dump_files): Add inlined phase.
3432 (dump_flag_name): Define.
3433 * doc/invoke.texi (-fdump-ast-inlined): Document.
3435 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3437 * stor-layout.c (layout_decl): Revert change to handling of alignment
3440 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3442 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
3445 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
3447 * doc/tm.texi (FUNCTION_ARG): Document that the last call
3450 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
3452 * tlink.c (recompile_files): Remove COMPILER_PATH and
3453 LIBRARY_PATH from the environment.
3455 2001-07-01 Zack Weinberg <zackw@stanford.edu>
3457 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
3458 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
3460 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
3462 * c-parse.in (OBJC_STRING): Kill.
3463 (objc_string): Decompose to [objc_string] '@' STRING.
3464 (reswords): Take the leading '@' off all the Objective C keywords.
3465 (objc_rid_sans_at): Kill.
3466 (init_reswords): Don't initialize it.
3467 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
3468 (_yylex): Kill reconsider label. Look ahead one token after
3469 an '@'; if we get an identifier, check whether it's an
3470 Objective C @-keyword. If so, return the keyword. Otherwise,
3471 put back the token and return the '@' as a terminal.
3473 * cpplib.c (lex_macro_node): Remove unnecessary check for
3474 leading '@' on identifier. Clarify control flow and commentary.
3476 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3478 * cse.c (new_label_ref): Variable deleted.
3479 (insert): Remove set of new_label_ref.
3480 (check_for_label_ref): New function.
3481 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
3483 See ChangeLog.5 for earlier changes.