1 2001-08-01 Kazu Hirata <kazu@hxi.com>
3 * alias.c: Fix comment formatting.
5 * builtins.c: Likewise.
7 * c-common.c: Likewise.
11 * collect2.c: Likewise.
12 * combine.c: Likewise.
13 * conflict.c: Likewise.
14 * cppfiles.c: Likewise.
15 * cppinit.c: Likewise.
18 * cppmacro.c: Likewise.
19 * cppspec.c: Likewise.
20 * c-pragma.c: Likewise.
21 * crtstuff.c: Likewise.
24 * c-semantics.c: Likewise.
25 * c-typeck.c: Likewise.
27 2001-08-01 H.J. Lu <hjl@gnu.org>
29 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
31 2001-08-01 H.J. Lu <hjl@gnu.org>
33 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
35 2001-08-01 Ziemowit Laski <zlaski@apple.com>
37 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
38 contextualizing Objective-C class name lookup by the lexer.
39 (typespec_reserved_nonattr): Disable ObjC class name lookup after
41 (protocoldef): Add support for forward @protocol declarations.
42 (yylexname): Suppress ObjC class name lookup in certain contexts;
43 re-enable after lookup is complete.
44 (_yylex): Re-enable ObjC class name lookup when certain
45 punctuation marks are seen.
47 * objc/objc-act.c (check_protocol_recursively): New function used
48 for finding circular dependencies in protocols.
49 (objc_declare_protocols): New function for handling forward
50 @protocol declarations.
51 (receiver_is_class_object): Detect the case when 'self' is used
52 inside of a class method.
53 (build_message_expr): Issue a warning if class method is desired
54 but instance method is found instead.
55 (conforms_to_protocol): Streamline.
56 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
57 protocol Foo, even if 'Bar foo' does not.
58 (check_protocols): Streamline.
59 (start_protocol): Add checks for circular and duplicate protocol
61 (encode_aggregate_within): For typedefs of structs, encode the
63 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
64 (objc_declare_protocols): New prototype.
66 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
68 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
69 * cpplex.c (handle_newline): Update prototype. Maintain logical
71 (skip_escaped_newlines, skip_block_comment, parse_string):
73 (_cpp_lex_token): Update, and store token position within the token.
74 * cpplib.h (struct cpp_token): Add line and column entries.
75 * cppmacro.c (replace_args): Position stringified tokens correctly.
77 2001-08-01 Andreas Jaeger <aj@suse.de>
79 * basic-block.h: Add prototype for last_loop_beg_note.
81 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
83 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
84 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
86 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
87 while handling WITH_CLEANUP_EXPR node. Use second operand calling
89 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
91 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
92 operand while calling simple_cst_equal.
93 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
94 operand is the cleanup expression, the third is the RTL_EXPR.
95 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
97 2001-07-31 Jeff Sturm <jsturm@one-point.com>
99 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
101 2001-07-31 matthew green <mrg@eterna.com.au>
103 * config.gcc (i386-*-netbsdelf): New description.
104 * config/i386/netbsd-elf.h: New file.
106 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
108 * loop.c (check_dbra_loop): Use single_set to compute
111 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
113 PowerPC reorg and support for powerpc64-*-linux*.
115 Also fixes emitting of constants on 32 bit and 64 bit
118 * config.gcc: powerpc64-*-linux* is a new target.
119 Things that needed aix.h now also include xcoff.h
121 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
123 Move AIX specific stuff into aix.h.
124 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
125 with more than just XCOFF now.
126 (SET_ASM_OP): Remove, now defined where needed.
127 (FUNCTION_PROLOGUE): New macro definition.
128 (FUNCTION_EPILOGUE): New macro definition.
129 (CONST_OK_FOR_LETTER_P): Change N to require that value is
131 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
133 * config/rs6000/xcoff.h: New file.
135 * config/rs6000/linux64.h: New file.
137 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
139 2001-07-31 Alan Modra <amodra@bigpond.net.au>
141 * rs6000.c (print_operand_address): Handle ELF syntax.
142 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
143 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
144 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
146 2001-07-31 David Edelsohn <edelsohn@gnu.org>
148 * rs6000.c (rs6000_override_options): Only disable
149 flag_function_sections for XCOFF.
150 (exact_log2_cint_operand): New predicate.
151 (reg_or_{add,sub}_cint64_operand): New predicates.
152 (add_operand): Compare CONST_INT with fewer function calls.
153 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
154 (print_operand, case 'p'): Ensure positive operand.
155 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
156 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
157 (PREDICATE_CODES): Add new predicates.
158 * rs6000.md (addsi3): Split 32-bit constants more correctly.
159 (divsi3, modsi3): Ensure positive power-of-2.
160 (adddi3): Use new predicate. Split 32-bit constants more
161 correctly. Re-arrange splitter to handle any constant.
162 (subdi3): Use new predicate.
163 (divdi3, moddi3): Ensure positive power-of-2.
164 (movdi): Use rs6000_emit_set_const.
165 (load_toc_v4_pic_di): Delete.
167 2001-07-31 Graham Stott <grahams@redhat.com>
169 * function.c (pad_below): Revert 2001-07-26 patch.
171 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
173 * reg-stack (convert_regs_1): Fix best edge condition.
175 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
177 * jump.c (duplicate_loop_exit_test): Better test for jumps
178 entering the loop; create loop pre_header.
180 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
182 * doc/install.texi: Add s390 and s390x as new targets.
183 * doc/invoke.texi: Add documantation of S/390 and zSeries
185 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
187 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
189 * config/m68k/m68k.md: Replace all general_operand with
190 nonimmediate_operand for all destinations.
191 * config/m68k/m68k.c (not_sp_operand): Likewise.
193 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
195 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
197 2001-07-30 Richard Henderson <rth@redhat.com>
199 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
200 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
202 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
204 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
205 Add missing doc strings
206 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
207 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
209 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
211 * i386.c (ix86_output_main_function_alignment_hack): New function.
212 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
214 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
215 edges by EDGE_DFS_BACK flag.
216 (dump_edge_info): Add dfs_back flag.
217 * basic-block.h (EDGE_DFS_BACK): New constant.
218 (mark_dfs_back_edges): Declare.
219 * alias.c (loop_p): Remove.
220 (mark_constant_function): Use mark_dfs_back_edges.
222 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
223 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
224 (compensate_edge): Break out from ...
225 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
226 (convert_regs_2): Set block_done once block is really done;
227 Do updating of the predecesors counts.
229 * toplev.c (rest_of_compilation): Recompute block_for_insn
230 before post-reload cfg_cleanup.
231 * function.c (thread_prologue_epilogue_insns):
232 Call set_block_for_new_insns when emitting prologue directly.
234 2001-07-30 Andreas Jaeger <aj@suse.de>
236 * jump.c: Add prototype for mark_modified_reg.
238 * cse.c (set_live_p): Add unused attribute.
240 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
242 (scan_for_source_files): Use long for count to avoid overflow.
243 (output_data): Likewise.
244 (output_data): Don't use string concatatenation to silence gcc
247 * predict.c: Fix typos and grammar.
249 * gcse.c (insert_insn_end_bb): Remove unused variables.
251 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
253 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
254 (attempt_auto_inc): LIkewise.
255 (mark_used_reg): Likewise.
256 (try_pre_increment_1): Likewise.
257 * regclass.c (regclass): Likewise.
258 * global.c (allocno_compare): Update comment; change scaling factor.
259 * local-alloc.c (QTY_CMP_PRI): Likewise.
260 * regs.h (REG_FREQ_FROM_BB): New.
261 (REG_FREQ_MAX): Likewise.
263 2001-07-30 H.J. Lu <hjl@gnu.org>
265 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
268 2001-07-30 H.J. Lu (hjl@gnu.org)
270 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
271 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
272 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
274 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
276 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
277 as -mthumb-interwork when -mcpu=arm7 is specified.
279 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
281 * predict.def (noreturn, loop branch, loop exit): Mark as first
284 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
286 * combine.c (try_combine): Avoid barrier after noop jumps.
288 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
290 * cpphash.h (struct cpp_reader): Remove import_warning.
291 * cpplib.c (skip_rest_of_line): Don't bother turning off
293 (parse_include): Move include handling to...
294 (do_include_common): ... here. Move import warning from...
295 (do_import): ... here.
296 (do_pragma_poison): Don't do a callback for poison identifiers.
297 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
298 * cppmain.c (setup_callbacks): Similarly.
300 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
302 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
303 handle multiple sets.
304 * except.c (sjlj_mark_call_sites): .... here.
305 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
307 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
309 Suggested by Richard Henderson and Richard Kenner:
310 * combine.c (recog_for_combine): Use the fake recog
311 only if instruction does not match.
312 * rtl.h (NOOP_MOVE_INSN_CODE): New.
313 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
315 * combine.c (try_combine): Discover noop jump as direct jump.
317 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
319 * df.c (df_rd_global_compute): Add successors to worklist, not
321 (df_ru_global_compute): Ditto.
323 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
325 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
326 increment REG_N_SETS.
328 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
330 * sbitmap.h: New prototype for sbitmap_a_xor_b.
332 * sbitmap.c (sbitmap_a_xor_b): New function.
333 ifdef the basic block stuff on IN_GCC.
335 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
337 * cppexp.c (parse_defined): Always record the macro name.
338 (lex): Don't worry about identifiers, or special-case
340 (_cpp_parse_expr): Figure out at the end of the routine
341 whether we saw a valid !defined() expression.
342 * cppfiles.c (stack_include_file): Update for mi_valid.
343 (_cpp_pop_file_buffer): Similarly.
344 * cpplex.c (_cpp_lex_token): Similarly.
345 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
346 mi_if_not_defined, mi_lexed): Remove.
348 * cpplib.c (do_if): Simplify.
349 (do_endif, push_conditional, _cpp_handle_directive): Update
350 for renaming of mi_state to mi_valid.
352 * cpp.texi: Add index entries for digraphs, and add comment
353 that C++ refers to them as alternative tokens.
355 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
357 * basic-block.h (CLEANUP_PRE_LOOP): New.
358 * except.c (finish_eh_generation): Update call of cleanup_cfg.
359 * sibcall.c (optimize_sibling_calls): Likewise.
360 * toplev.c (rest_of_compilation): Likewise.
361 * flow.c (try_forward_edges): Take argument MODE;
362 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
363 (try_optimize_cfg): Update call of try_forward_edges.
365 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
366 Jan Hubicka <jh@suse.cz>
368 * (validate_replace_rtx_1): Fix simplification of MINUS.
370 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
373 * cppinit.c (init_dependency_output): Turn off dump requests
374 if sending dependencies to stdout.
376 2001-07-28 Richard Henderson <rth@redhat.com>
378 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
381 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
383 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
385 2001-07-28 Kazu Hirata <kazu@hxi.com>
387 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
388 is VAR_DECL first to prevent an ICE.
390 2001-07-28 Richard Henderson <rth@redhat.com>
392 * varasm.c (immed_real_const_1): Don't elide special cases for
394 (clear_const_double_mem): Clear const_tiny_rtx too.
396 2001-07-28 Richard Henderson <rth@redhat.com>
398 * dwarf2out.c (dw_val_class_offset): New.
399 (struct dw_ranges_struct, dw_ranges_ref): New.
400 (ranges_table, ranges_table_allocated): New.
401 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
402 (add_AT_offset, add_ranges, output_ranges): New.
403 (print_die, output_die): Handle dw_val_class_offset.
404 (attr_checksum, size_of_die, value_format): Likewise.
405 (gen_lexical_block_die): Handle non-contiguous blocks.
406 (gen_block_die): Likewise.
407 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
408 if needed. Dump the ranges table.
409 * final.c (final_start_function): Remove unnecessary notes and
410 rebuild the block tree before numbering the blocks.
411 * function.c (reorder_blocks_0): Walk the existing block tree
412 to unmark all blocks.
413 (reorder_blocks_1): Create block fragments when duplicate block
415 (reorder_fix_fragments): New.
416 (reorder_blocks): Call it.
417 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
419 2001-07-28 Richard Henderson <rth@redhat.com>
421 * emit-rtl.c (adjust_address): Make a copy of the memory address.
423 2001-07-28 Richard Henderson <rth@redhat.com>
425 * flow.c (add_to_mem_set_list): New function.
426 (init_propagate_block_info): Use it.
427 (mark_set_1): Likewise.
428 (insn_dead_p): Canonicalize memory address for dead store
429 comparison. Allow wider mode stores to kill narrower mode stores.
430 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
431 (invalidate_mems_from_set): Don't handle MEMs.
433 2001-07-28 Kazu Hirata <kazu@hxi.com>
435 * config/h8300/h8300.h: Fix formatting.
437 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
439 * basic-block.h (EDGE_FREQUENCY): New macro.
440 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
442 * flow.c (find_sub_basic_blocks): Likewise.
443 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
444 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
446 * predict.c (DEF_PREDICTOR): New argument FLAGS.
447 (HITRATE): New macro.
448 (PRED_FLAG_FIRST_MATCH): New constant.
449 (predictor_info): New field flgags.
450 (combine_predictions_for_insn): Use DS theory to combine
451 probabilities; set the edge probabilities when finished.
452 (estimate_probability): Avoid duplicated matches
453 of LOOP_BRANCH heuristics for nested loops; update comment.
454 * predict.def: Add flags for each prediction, set probabilities
455 according to B&L paper.
456 * predict.h (DEF_PREDICTOR): New argument FLAGS.
458 * profile.c (compute_branch_probabilities): Cleanup way the edge
459 probabilities are computed and REG_BR_PROB notes are dropped; if
460 values does not match, emit error.
461 (init_branch_prob): Do error instead of warning when profile driven
462 feedback is missing or corrupt.
464 2001-07-27 DJ Delorie <dj@redhat.com>
466 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
467 against a constant, try to adjust the compare to have the desired
468 constant in it so that min/max optimizations happen more often.
470 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
472 * flow.c (last_loop_beg_note): New function.
473 (redirect_edge_and_branch): Use it.
474 (split_edge): Likewise.
476 * alias.c (loop_p): Avoid uninitialized memory access.
478 * flow.c (try_forward_edges): Avoid accessing freed memory.
480 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
483 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
485 * doc/install.texi (Configuration): Properly link the host
486 specific instructions also when generating HTML.
488 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
490 * flow.c (redirect_edge_and_branch_force): Test
491 target->global_live_at_start.
493 2001-07-26 Richard Henderson <rth@redhat.com>
495 * simplify-rtx.c (avoid_constant_pool_reference): Export.
496 * rtl.h (avoid_constant_pool_reference): Declare it.
497 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
498 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
500 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
502 * rtl.h (cleanup_barriers): Declare.
503 * jump.c (cleanup_barriers): New function.
504 * toplev.c (rest_of_compilation): Call cleanup_barriers
505 before loop optimizer and after bb_reorder.
507 * flow.c (back_edge_of_syntactic_loop_p): New.
508 (split_edge): Use it.
510 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
512 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
514 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
516 * cse.c (cse_process_notes): Replace any registers if the address
519 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
521 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
522 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
523 (propagate_block): Update prototype.
524 * flow.c (update_life_info): Simplify the CFG and
525 recalculate the global regs which are alive when
526 removing dead code during a global update.
527 (propagate_block): Return non-zero if an INSN is
530 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
532 * Makefile.in (LIBICONV): Define.
534 2001-07-26 Catherine Moore <clm@redhat.com>
536 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
537 of conditional to avoid tree checking errors.
539 2001-07-26 Kazu Hirata <kazu@hxi.com>
541 * regmove.c (regmove_optimize): Don't replace a reg with
542 another reg of a different mode.
544 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
546 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
547 limit length of dependancy flush list.
548 * params.h (MAX_PENDING_LIST_LENGTH): Define.
549 * sched-int.h (struct deps): Add pending_flush_length field.
550 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
552 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
553 (sched_analyze): After a jump, if the pending memory flush list is too
554 large, flush the pending lists.
555 (init_deps): Initialize pending_flush_length to 0.
556 * doc/invoke.texi (max_pending_list_length): Document parameter.
558 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
560 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
561 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
562 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
564 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
566 * cpphash.h (struct_lexer_state): Delete was_skipping.
567 Move skipping here from struct cpp_reader.
568 * cpplex.c (parse_identifier): Update.
569 (_cpp_lex_token): Don't skip tokens in a directive.
570 * cpplib.c (struct if_stack): Update.
571 (start_directive, end_directive): Don't change skipping state.
572 (_cpp_handle_directive): Update.
573 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
574 (do_else, do_endif): Update; only check for excess tokens if not
575 in a skipped conditional block.
576 (push_conditional): Update for new struct if_stack.
578 2001-07-26 Graham Stott <grahams@redhat.com>
580 * function.c (locate_and_pad_parm): Also pad initial offset
581 so that the total argument size also includes the padding.
583 2001-07-26 Graham Stott <grahams@redhat.com>
585 * gensupport.c (alter_output_for_insn): Correct enable checking failure
586 change XSTR to XTMPL.
588 (process_one_cond_exec): Likewise
590 2001-07-25 Richard Henderson <rth@redhat.com>
592 * varasm.c (assemble_variable): Create DECL_RTL before setting
595 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
597 * predict.c (estimate_probability): Avoid duplicated predictions.
599 * loop.c (find_and_verify_loops): Grok multiple barriers.
601 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
603 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
605 * dbxout.c: Consistently use putc instead of fputc.
606 (print_wide_int): New function; call instead of direct fprintf.
607 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
608 (dbxout_type_fields, dbxout_type_method_1): Likewise.
609 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
610 (print_int_cst_octal): Likewise.
611 (print_octal): Show we wrote characters.
612 (dbxout_type): Set have_used_extensions in more places.
614 2001-07-25 Catherine Moore <clm@redhat.com>
616 * config/v850/v850.c (v850_va_arg): Use addr
617 instead of valist to build incr.
619 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
621 * flow.c (delete_dead_jumptables): New function.
622 (life_analyzis): Call it.
623 * bb-reorder.c (skip_insns_after_block): Handle contradictory
626 2001-07-25 Richard Henderson <rth@redhat.com>
628 * except.c (reachable_handlers): Handle a region being removed
629 out from under a RESX.
631 2001-07-25 Richard Henderson <rth@redhat.com>
633 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
634 swap GE/GT if it is an fp comparison.
636 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
638 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
641 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
643 * ssa.c (rename_insn_1): Do not wrap an assignment to a
644 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
647 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
649 (visit_expression): When attempting to simplify an expression,
650 retrieve any modes for arguments before they are simplified
653 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
654 Janis Johnson <janis@us.ibm.com>
656 * stmt.c (expand_goto): A nonlocal goto can be a call too.
657 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
658 pointer parameters to match documented usage of nonlocal_goto.
659 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
660 parameters to their correct order.
661 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
662 parameters to their correct order.
664 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
666 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
668 2001-07-25 Jan Hubicka <jh@suse.cz>
669 Richard Henderson <rth@redhat.com>
671 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
673 (make_edges): New argument update_p; populate the edge cache if set.
674 (find_basic_blocks): Update make_edges invocation.
676 2001-07-24 Joel Sherrill <joel@OARcorp.com>
678 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
680 2001-07-24 Joel Sherrill <joel@OARcorp.com>
682 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
683 -Acpu and -Amachine.h.
684 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
685 Corrected header to say ELF not a.out.
686 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
687 when given -msoft-float.
689 2001-07-24 Joel Sherrill <joel@OARcorp.com>
691 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
692 extra multilib parts like arm-elf.
693 (i960-*-coff*, i960-*-rtems): Should not use collect2.
694 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
695 crtfini.o as extra multilib parts.
697 2001-07-24 Joel Sherrill <joel@OARcorp.com>
699 * configure.in: Add rtems as a supported thread model.
700 * gthr-rtems.h: Add missing entry point __gthread_active_p.
701 * configure: Rebuilt.
703 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
705 * stor-layout.c (get_mode_alignment): make it work when
706 BITS_PER_UNIT is not a power of two.
707 * builtins.c (get_pointer_alignment): Likewise.
709 2001-07-24 Richard Henderson <rth@redhat.com>
711 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
712 the retrieved constant into the expected mode.
714 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
716 * flow.c (try_simplify_condjump): Avoid duplicated edges.
717 (verify_flow_info): Check for duplicated edges; clarify
720 * flow.c (block_label): Update basic_block_for_insn.
721 (commit_edge_insertions): Call compute_bb_for_insn.
723 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
726 * flow.c (redirect_edge_and_branch,
727 try_optimize_cfg): Use redirect_edge_succ_nodup
728 (redirect_edge_succ_nodup): New.
729 * basic_block.h (redirect_edge_succ_nodup): Declare.
731 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
734 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
736 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
737 (try_crossjump_to_edge): Update commetns.
738 (try_crossjump_bb): Likewise.
740 2001-07-24 Richard Henderson <rth@redhat.com>
742 * combine.c (distribute_notes): Move set of need_refresh
743 for noop_move_p down to catch all cases.
745 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
747 * recog.c (split_all_insns_noflow): New.
748 * rtl.h (split_all_insns_noflow): Declare.
749 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
750 * m68hc11.c (m68hc11_reorg): Likewise.
751 * sh.c (machine_dependent_reorg): Likewise.
752 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
755 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
757 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
758 (ashlsi3_n splitter): Likewise.
759 (lshrsi3_n splitter): Likewise.
761 (GOTaddr2picreg): Make const SImode.
762 (sym_label2reg): Likewise.
763 (symGOT2reg): Likewise.
764 (symGOTOFF2reg) Likewise.
766 (casesi_worker_0): Make unspec SImode.
768 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
770 * config/sh/sh.c (barrier_align): Check that an operand really is
771 an insn before extracting its INSN_CODE.
773 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
775 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
778 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
779 for SImode to prevent overflow.
781 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
783 * config/mips/irix6-libc-compat.c: New file.
784 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
785 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
788 2001-07-24 lars brinkhoff <lars@nocrew.org>
790 * rtl.texi (REG_POINTER): Document.
791 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
792 QFmode, HFmode, TQFmode, QCmode, and HCmode.
794 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
796 * flow.c (delete_noop_moves): Do not confuse libcall regions.
798 2001-07-23 Richard Henderson <rth@redhat.com>
800 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
802 2001-07-23 Kazu Hirata <kazu@hxi.com>
804 * config/h8300/h8300-protos.h: Add a prototype for
805 general_operand_dst_push.
806 * config/h8300/h8300.c (general_operand_dst_push): New.
807 * config/h8300/h8300.h (OK_FOR_T): New.
808 (EXTRA_CONSTRAINT): Use it.
809 * config/h8300/h8300.md (movqi_push): Remove and integrate into
810 the existing movqi pattern.
811 (movhi_push): Likewise.
813 * reload.c: Fix comment typos.
815 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
817 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
819 2001-07-23 H.J. Lu (hjl@gnu.org)
821 * doc/extend.texi: Update __builtin_return_address and
822 __builtin_frame_address.
824 2001-07-23 Richard Henderson <rth@redhat.com>
826 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
828 * config/i386/i386.md: New setcc+movzbl peephole2.
830 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
832 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
833 * objc/objc-act.c: Include debug.h.
834 (synth_module_prologue): Save and restore debug hooks too.
836 2001-07-23 lars brinkhoff <lars@nocrew.org>
838 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
839 and C4X_FLOAT_FORMAT.
840 (BOOL_TYPE_SIZE): Document.
842 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
844 * unroll.c (loop_iterations): Fix miscalculation of initial
847 2001-07-13 Andrew Haley <aph@redhat.com>
849 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
850 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
851 * config/sh/sh.c (sh_can_redirect_branch): New function.
852 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
853 * reorg.c (steal_delay_list_from_target): Use
854 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
856 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
858 * flow.c (try_simplify_condjump): Unlink insn chain on
859 fallthru edge; use can_fallthru.
861 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
863 * basic-block.h (find_sub_basic_block): Declare.
864 * flow.c (make_edges): New arguments MIN and MAX;
865 (find_sub_basic_blocks): Revamp to use make_edges
866 and purge_dead_edges.
867 (find_basic_blocks): Update call of find_sub_basic_block.
869 * recog.c (split_all_insns): Always expect CFG to be consistent;
870 call find_sub_basic_blocks in case something has changed.
871 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
874 * basic-block.h (delete_noop_moves): Declare.
875 * combine.c (combine_instructions): Call it.
876 (recog_for_combine): Tolerate noop moves
877 (distribute_notes): Force refresh when register dies at noop move.
878 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
880 (life_analysis): Update delete_noop_moves call.
881 (set_noop_p): Move too ...
882 * rtlanal.c (noop_move_p): ... here.
883 * rtl.h (noop_move_p): Declare.
885 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
886 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
888 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
889 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
891 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
893 * reload.c (push_reload): Fix typo in comment.
894 (find_reloads_address): Ditto.
895 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
897 2001-07-22 Richard Henderson <rth@redhat.com>
899 * flow.c: Grammar check and clarify a lot of comments.
900 (try_simplify_condjump): Rename variables to be clearer.
901 (try_forward_edges): Skip complex and fallthru edges.
902 Rearrange tests to avoid duplicate checks.
903 (flow_find_cross_jump): Likewise.
904 (outgoing_edges_match): Allow match if neither branch has
905 probability data. Loosen probability match to 5%.
906 (try_crossjump_to_edge): Hoist repeated indirection into
908 (try_crossjump_bb): Don't check complex edges. Eliminate
909 redundant crossjump tests.
910 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
911 checks before more expensive checks.
913 2001-07-22 Richard Henderson <rth@redhat.com>
915 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
916 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
919 2001-07-22 Richard Henderson <rth@redhat.com>
921 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
922 (const_sint32_operand): Likewise.
923 * m68k.md (anon mulsi pattern): Use const_int_operand not
924 const_sint32_operand.
925 (umulsi3_highpart): Zero extend a constant input.
926 (smulsi3_highpart): Don't bother checking SImode constant.
927 (const_umulsi3_highpart): Give op3 DImode.
928 (const_smulsi3_highpart): Likewise.
930 2001-07-22 Richard Henderson <rth@redhat.com>
932 * flow.c (split_block): Make sure bb_note is included in the
933 new block when splitting before a label.
935 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
937 * basic-block.h (redirect_edge_and_branch_force,
938 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
939 * flow.c (redirect_edge_and_branch_force,
940 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
941 (redirect_edge_and_branch_force): Fix copying of lifeness information.
942 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
943 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
944 instead of label; update CFG after transformation.
945 (find_if_case_1): Update call, use redirect_edge_and_branch_force
946 for finishing the transformation; handle even case where ELSE
947 does not follow THEN.
948 (find_if_case_2): Update call of dead_or_predictable; simplify
951 * emit-rtl.c (split_branch_probability): New global variable.
952 (try_split): Take care to set split_branch_probability and
953 create REG_BR_PROB note for new jump insns.
954 * md.texi (define_split): Document new feature.
956 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
958 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
960 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
961 (asm_out_file): Remove redundant declaration.
962 (assemble_asm): Remove old #if 0 block.
963 (assemble_variable): Remove end of function; debug output is
964 now handled with global_decl. Remove old #if 0 block. Update.
965 Remove saved_in_section and associated no-op code.
966 * Makefile.in (varasm.o): Correct dependencies.
968 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
970 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
971 the definition in defaults.h.
973 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
975 * jump.c: Update comments.
976 (delete_barrier_successors, delete_unreferenced_labels,
977 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
978 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
979 jump_optimize, jump_optimize_minimal): Kill.
980 (rebuild_jump_labels): Move code from jump_optimize_1.
981 (purge_line_number_notes): Likewise.
982 (copy_loop_headers): Likewise.
983 * reg-stack.c: Update comment.
985 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
986 JUMP_AFTER_REGSCAN): Kill.
987 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
988 purge_line_number_notes and copy_loop_headers.
990 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
991 Richard Henderson <rth@redhat.com>
993 * dbxout.c (dbxout_global_decl): New.
994 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
995 * sdbout.c (sdbout_finish): New.
996 (sdbout_debug_hooks): Use it, add comments.
997 (sdbout_global_decl): Defer initialised public vars to
999 * varasm.c (assemble_variable): Don't output debug information
1000 for file-scope variables.
1002 2001-07-22 Richard Henderson <rth@redhat.com>
1004 * config/alpha/alpha.c (get_trap_mode_suffix): New.
1005 (get_round_mode_suffix): New.
1006 (print_operand): Use them for [/]. Remove support for [&'`()+].
1007 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
1008 * config/alpha/alpha.md (attr round_suffix): New.
1009 (attr trap_suffix): New.
1010 (all insns): Set them appropriately. Use %/ instead of the
1013 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1015 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
1017 2001-07-22 Richard Henderson <rth@redhat.com>
1019 * regrename.c (regrename_optimize): Compute nregs for each
1020 potential target register.
1022 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
1023 Richard Henderson <rth@redhat.com>
1025 * dbxout.c (dbxout_global_decl): New.
1026 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
1027 * sdbout.c (sdbout_finish): New.
1028 (sdbout_debug_hooks): Use it, add comments.
1029 (sdbout_global_decl): Defer initialised public vars to
1031 * varasm.c (assemble_variable): Don't output debug information
1032 for file-scope variables.
1034 2001-07-21 H.J. Lu (hjl@gnu.org)
1036 * config/mips/mips.c (mips_cpu): Moved into ...
1037 (override_options): Here.
1039 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
1041 (mips_cpu): Removed.
1043 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1045 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
1046 ("iorqi3"): Likewise.
1047 ("xorqi3"): Likewise.
1048 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
1049 ("*subhi3_sp): Likewise.
1050 ("*subhi3"): Likewise.
1051 ("extendhisi2"): Accept D, X and Y as source operand to avoid
1054 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
1056 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
1057 * config/freebsd.h: Likewise.
1058 * config/linux.h: Likewise.
1059 * config/openbsd.h: Likewise.
1060 * config/alpha/linux-elf.h: Likewise.
1061 * config/arm/linux-elf.h: Likewise.
1062 * config/d30v/d30v.h: Likewise.
1063 * config/fr30/fr30.h: Likewise.
1064 * config/ia64/aix.h: Likewise.
1065 * config/ia64/ia64.h: Likewise.
1066 * config/mips/linux.h: Likewise.
1067 * config/pj/pj.h: Likewise.
1068 * config/rs6000/linux.h: Likewise.
1069 * config/sparc/linux.h: Likewise.
1070 * config/sparc/linux64.h: Likewise.
1072 2001-07-20 Bruce Korb <bkorb@gnu.org>
1074 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
1075 because getc() and char* may disagree on signedness.
1077 2001-07-20 Richard Henderson <rth@redhat.com>
1079 * doc/rtl.texi (REG_DEAD): Update for current semantics.
1081 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
1082 insns to delete in the presence of cc0 in a jump insn.
1084 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
1085 Jan Hubicka <jh@suse.cz>
1087 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
1088 of doing the change by hand.
1090 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
1092 * rtlanal.c (set_noop_p): Return true for noop jumps.
1094 * expr.c (emit_single_push_insn): Add call to push expander.
1095 * expr.h (optab_index): Add OTI_push
1096 (push_optab): New constant.
1097 * genopinit.c (optabs): Add push_optab.
1098 * optabs.c (init_optab): Init push optab.
1099 * md.texi (push??1): Document
1101 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1103 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
1104 expand to emit the pattern; put a REG_INC note for push/pop
1106 ("movdf", "movdf_internal"): Likewise.
1107 ("movsi", "movsi_internal"): Likewise.
1108 ("movsf", "movsf_internal"): Likewise.
1109 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
1111 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1113 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
1116 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
1118 * params.def: Change default max inline insns to 100.
1120 2001-07-20 Diego Novillo <dnovillo@redhat.com>
1122 * combine.c (combine_simplify_rtx): Generate a new shift operation
1123 when simplifying the first operand of a (neg (ashift)) expression.
1125 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1127 * regclass.c (N_REG_INTS): Use only 32 bits per element.
1129 2001-07-20 Kelley Cook <kelley.cook@home.com>
1131 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
1132 information. Move rest into ...
1133 (*-*-solaris): ... here. Eliminate redundant information and
1134 reword necessary packages section. Delete 4.x assembler bug info.
1135 (sparc-sun-*): Merge into ...
1136 (sparc-sun-sunos*): here.
1138 2001-07-20 Catherine Moore <clm@redhat.com>
1140 * config/v850/v850.md (casesi): Generate LABEL_REF
1143 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
1145 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
1146 * i386.c (ix86_zero_extend_to_Pmode): Make global.
1147 * i386.md (strclrsi expander): Use it.
1149 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1151 * integrate.c (copy_insn_list): handle
1152 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
1153 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
1154 identically as to CODE_LABEL.
1156 * fold-const (fold): Convert A/B/C to A/(B*C) and
1159 * except.c (connect_post_landing_pads): Delete the RESX insns.
1161 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
1163 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
1165 * config/mips/mips.md (nmadd/nmsub): Use macro.
1167 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
1169 * cppinit.c (remove_dup_dir): Make static.
1170 (remove_dup_dirs): Make static. Only warn about preempting a
1171 system directory with a non-system directory.
1173 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
1175 * ifcvt.c (noce_try_store_flag_constants): Correct order
1176 of parameters to trunc_int_for_mode.
1178 2001-07-19 Mark Mitchell <mark@codesourcery.com>
1180 * reorg.c (fill_simple_delay_slots): If an instruction might throw
1181 an exception that will be caught within this function, do not fill
1182 its delay slot with any subsequent instruction.
1184 2001-07-19 Steve Ellcey <sje@cup.hp.com>
1186 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
1187 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
1188 pointer extension instruction.
1189 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
1190 * simplify-rtx.c (simplify_unary_operation) Likewise.
1191 * explow.c (convert_memory_address) Check value of
1192 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
1194 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
1195 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
1196 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
1197 Add Multilib Support.
1198 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
1199 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
1200 Add Multilib Support.
1201 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
1203 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
1204 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
1205 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
1207 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
1209 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
1210 old and new operands in `<', `3' and `b'.
1212 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
1214 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
1215 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
1216 (toplev.o): Don't depend on xcoffout.h.
1217 * c-decl.c: Include debug.h
1218 (duplicate_decls): Use debug hook.
1219 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
1220 (dbx_debug_hooks, xcoff_debug_hooks): Update.
1221 (dbxout_types): Remove.
1222 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
1223 * debug.c (do_nothing_debug_hooks): Update.
1224 (debug_true_tree, debug_nothing_rtx): New.
1225 * debug.h (struct rtx_def): New.
1226 (struct gcc_debug_hooks): New hooks ignore_block,
1227 outlining_inline_function and label.
1228 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
1229 dwarf2out_frame_finish): New.
1230 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
1231 Make static, update prototype.
1232 (dwarf2_debug_hooks): Update.
1233 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
1234 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
1235 * dwarfout.c (dwarf_debug_hooks): Update.
1236 * emit-rtl.c: Include debug.h.
1237 (remove_unnecessary_notes): Use debug hook.
1238 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
1239 (final_scan_insn): Use debug hook.
1240 * integrate.c (output_inline_function): Use debug hook.
1241 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
1242 (sdb_debug_hooks): Update.
1243 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
1244 * toplev.c: Don't include xcoffout.h.
1245 (note_outlining_of_inline_function, debug_ignore_block): Remove.
1246 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
1248 * tree.h (dwarf2out_do_frame): Remove.
1250 2001-07-19 Catherine Moore <clm@cygnus.com>
1252 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
1254 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
1256 * reload1.c (eliminate_regs_in_insn): When updating a set
1257 to the frame pointer to the hardware frame pointer, perform
1258 the update always not just when REPLACE is set.
1260 * reload1.c (choose_reload_regs): Don't inherit a reload
1261 that crosses multiple registers if registers past the first
1262 don't fit in the desired class.
1264 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
1265 when negating constants.
1267 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
1269 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
1270 * doc/tree.texi: Ditto.
1272 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
1273 Jakub Jelinek <jakub@redhat.com>
1275 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
1276 (extract_cie_info): Handle "eh" augmentation properly,
1278 (struct frame_state, __frame_state_for): New.
1280 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1282 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
1283 HANDLE_SYSV_PRAGMA): Define.
1284 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
1286 (copy_object): Caller changed.
1288 2001-07-19 Andreas Schwab <schwab@suse.de>
1290 * configure.in (assembler dwarf2 debug_line support): Define nop
1292 * configure: Regenerated.
1294 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
1296 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
1298 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
1299 to conditionally compiled block.
1300 (dbx_debug_hooks, xcoff_debug_hooks): Update.
1301 * dbxout.h (dbxout_function): Remove.
1302 * debug.c (do_nothing_debug_hooks): Update.
1303 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
1304 global_decl, deferred_inline_function.
1305 * dwarf2out.c (dwarf2_debug_hooks): Update.
1306 (dwarf2out_global_decl): New.
1307 * dwarfout.c: Don't include dwarfout.h.
1308 (dwarfout_global_decl, dwarfout_function_decl,
1309 dwarfout_deferred_inline_function): New.
1310 (dwarf_debug_hooks): Update.
1311 * dwarfout.h: Remove.
1312 * final.c: Don't include dwarfout.h.
1313 * sdbout.c (sdbout_global_decl): New.
1314 (sdbout_debug_hooks): Update.
1315 * toplev.c: Don't include dwarfout.h.
1316 (check_global_declarations, rest_of_compilation): Use new debug hooks.
1317 (note_deferral_of_defined_inline_function): Remove.
1318 * toplev.h (note_deferral_of_defined_inline_function): Remove.
1319 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
1320 * ch/lex.c: Don't include dwarfout.h.
1321 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
1322 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
1323 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
1324 * cp/optimize.c: Include debug.h.
1325 (maybe_clone_body): Use debug hook.
1326 * cp/semantics.c: Include debug.h.
1327 (expand_body): Use debug hook.
1328 * po/POTFILES.in: Remove dwarfout.h.
1330 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
1332 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
1333 * c-parse.in (yyerror, _yylex): Similarly.
1334 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
1335 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
1337 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
1338 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
1340 2001-07-18 Jeff Sturm <jsturm@one-point.com>
1342 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
1343 in-class declaration at -g1. Fixes c++/2814.
1345 2001-07-18 Richard Henderson <rth@redhat.com>
1347 * doc/md.texi (reload_in/out): Document restrictions in predicates
1348 and constraints for these patterns. Document empty string matching
1351 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1353 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
1355 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1357 * cse.c: Undo my previous patch.
1359 2001-07-18 Tom Tromey <tromey@redhat.com>
1362 * configure: Rebuilt.
1363 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
1365 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
1367 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
1368 Jan Hubicka <jh@suse.cz>
1370 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
1371 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
1372 * jump.c (mark_jump_label): Do not forward branches.
1374 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
1376 * cse.c (delete_trivially_dead_insns): Delete the libcall block
1377 when return value is unused.
1379 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1381 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
1383 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
1385 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
1386 on error. We can't blindly return the result of
1387 pthread_mutex_trylock because it returns a positive number on
1388 error, while we must return -1 on error.
1389 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
1391 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
1393 2001-07-18 Andreas Jaeger <aj@suse.de>
1395 * integrate.c (output_inline_function): Correct type of debug_hooks.
1397 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
1399 * combine.c (combine_simplify_rtx): DIV can be treated
1400 associatively for floats if unsafe math optimisations are enabled.
1402 2001-07-17 Richard Henderson <rth@redhat.com>
1404 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
1406 2001-07-17 Richard Henderson <rth@redhat.com>
1408 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
1409 don't force the function address into a register.
1410 (expand_call, emit_library_call_value_1): Update callers.
1411 * builtins.c (expand_builtin_apply): Likewise.
1412 * expr.h (prepare_call_address): Update decl.
1414 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
1416 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
1418 * config/i386/chorus.h: Move up.
1419 * config/sparc/chorus.h: Likewise.
1420 * config/rs6000/chorus.h: Likewise.
1421 * config/chorus.h: Moved here.
1423 2001-07-17 Andreas Schwab <schwab@suse.de>
1425 * configure.in (assembler eh_frame optimization): Handle big
1427 * configure: Regenerated.
1429 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
1431 * expr.c (epxand_expr): Convert divisions into multiplications by
1432 reciprocals if -ffast-math.
1434 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
1436 * dbxout.c (dbxout_really_begin_function): Rename to
1437 dbxout_begin_function.
1438 (dbx_debug_hooks, xcoff_debug_hooks): Update.
1439 (dbxout_begin_function): Remove.
1440 (dbxout_function): Update.
1441 (dbxout_source_line): Update prototype.
1442 * dbxout.h (dbxout_begin_function): Remove.
1443 * debug.c (do_nothing_debug_hooks): Update.
1444 (debug_nothing_tree): Update.
1445 (debug_nothing_charstar_rtx): Remove.
1446 * debug.h (union tree_node): Declare.
1447 (struct rtx_def): Remove.
1448 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
1449 begin_function. Change source_line prototype.
1450 (debug_nothing_tree): New.
1451 (debug_nothing_charstar_rtx): Delete.
1452 (dwarf2out_begin_prologue): Moved from ...
1454 * dwarf2out.c (dwarf2_debug_hooks): Update.
1455 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
1456 debug info, call dwarf2out_source_line.
1457 (dwarf2out_souce_line): Update prototype.
1458 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
1459 Change prototype, make static.
1460 (dwarfout_source_line): Update prototype.
1461 (dwarf_debug_hooks): Update.
1462 * dwarfout.h (dwarfout_begin_function): Remove.
1463 * final.c (final_start_function, final_scan_insn): Use appropriate
1464 debug hooks, update to use notice_source_line.
1465 (output_source_line): Rename notice_source_line. Don't call the
1466 source_line debug hook.
1467 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
1468 make static, update prototype.
1469 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
1471 (sdbout_end_prologue): New.
1472 (sdbout_source_line): Update prototype.
1473 (sdbout_debug_hooks): Update.
1474 (sdbout_symbol): Remove unused var.
1475 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
1477 * varasm.c: Include debug.h.
1478 (assemble_start_function): Use begin_function debug_hook.
1479 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
1480 update with prototype.
1481 (xcoffout_source_line): Update prototype.
1482 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
1484 (xcoffout_source_line): Update prototype.
1486 2001-07-17 Richard Henderson <rth@redhat.com>
1488 * c-typeck.c (build_binary_op): Do not shorten unsigned
1489 right shift after sign extension.
1491 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
1493 * combine.c (combine_simplify_rtx): Attempt to simplify
1494 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
1496 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
1497 (simplify_binary_operation, simplify_unary_operation,
1498 simplify_relational_operation): Use it.
1500 * combine.c (combine_simplify_rtx): Don't do associative law
1501 on divisions; allow associative law on floats.
1503 2001-07-17 H.J. Lu <hjl@gnu.org>
1504 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1506 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
1507 ASM_OUTPUT_WEAK_ALIAS are defined.
1508 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
1509 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
1511 * config/mips/iris5.h: ... here.
1512 (HANDLE_SYSV_PRAGMA): Defined as 1.
1513 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
1514 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
1517 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
1519 * c-parse.in (all_prefix_attributes): New variable.
1520 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
1521 (maybe_resetattrs): New production.
1522 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
1523 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
1524 notype_initdcl, nested_function, notype_nested_function,
1525 component_decl, components, components_notype,
1526 component_declarator, component_notype_declarator,
1527 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
1528 ivars, mydecl, myparm): Update. Avoid prefix attributes just
1529 after a comma being applied to more than one declarator.
1530 * doc/extend.texi (Attribute Syntax): Update. Remove
1531 documentation of bugs that are no longer present.
1533 2001-07-13 Eric Christopher <echristo@redhat.com>
1535 * config/mips/mips.h: Change TUNE_MIPS* options to use
1537 (EXTRA_SPECS): Add cc1_cpu_spec.
1538 * config/mips/mips.md (muldf3): Fix typo.
1540 2001-07-16 Richard Henderson <rth@redhat.com>
1542 * config/m68k/m68k.c: Include expr.h and reload.h.
1543 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
1544 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
1546 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
1547 Richard Henderson <rth@redhat.com>
1549 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
1550 (insn_live_p): Fix fall off end of function.
1551 (dead_libcall_p): Remove COUNTS argument; update callers.
1552 (delete_trivially_dead_insns): Remove unused variables.
1554 2001-07-17 Andreas Jaeger <aj@suse.de>
1556 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
1559 * lcm.c (optimize_mode_switching): Avoid warning for unused
1560 variable if !NORMAL_MODE.
1562 * flow.c (try_crossjump_to_edge): Remove unused variable.
1564 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
1566 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
1567 atexit declaration in stdlib.h.
1569 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
1571 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
1573 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1575 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
1576 * except.c (finish_eh_generation): Update call of cleanup_cfg;
1577 do rebuild_jump_labels instead of jump_optimize
1578 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
1579 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
1580 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
1582 * flow.c: Include timevar.h
1583 (find_basic_block): Push/pop timevar;
1584 (cleanup_cfg): Likewise.
1585 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
1586 * Makefile: Add dependencies on timevar.h
1588 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
1589 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
1591 * rtl.h (delete_trivially_dead_insns): Add new parameter.
1592 * toplev.c (rest_of_compilation): Update calls.
1593 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
1594 (delete_trivially_dead_insns): ... here; accept new argument
1595 preserve_basic_blocks; preserve basic blocks if set.
1597 * reg-stack.c (stack_regs_mentioned): Return 0 if
1598 stack_regs_mentioned_data is not initialized.
1599 (reg_to_stack): Make stack_regs_mentioned survive after the
1600 reg-stack is completted; do not call cleanup_cfg.
1601 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
1602 make cleanup_cfg after bb-reorder to output to debug file.
1604 2001-07-16 Richard Henderson <rth@redhat.com>
1606 * regclass.c (init_reg_sets): Use only 32 bits per initializer
1607 from int_reg_class_contents.
1609 2001-07-16 Richard Henderson <rth@redhat.com>
1611 * hard-reg-set.h (regs_invalidated_by_call): Declare.
1612 * regclass.c (regs_invalidated_by_call): Move from cse.c.
1613 (init_reg_sets_1): Move initialization from cse_main.
1614 * cse.c (regs_invalidated_by_call): Move to regclass.c.
1615 (cse_main): Move its initialization also.
1616 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
1617 * flow.c (propagate_one_insn): Likewise.
1618 * gcse.c (compute_hash_table): Likewise.
1619 (compute_kill_rd, compute_store_table): Likewise.
1620 * sched-deps.c (sched_analyze_1): Likewise.
1622 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
1624 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
1627 2001-07-16 Steve Ellcey <sje@cup.hp.com>
1629 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
1630 in if statement so we don't access undefined memory.
1632 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
1634 * gcse.c: Update comment at top.
1635 Update comment on mem handling.
1636 mem_last_set, mem_first_set, mem_set_in_block: gone.
1637 Declaration of reg_set_info: gone.
1638 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
1639 pointless with load_killed_in_block_p (they are *more*
1640 conservative then it, not less, and less accurate).
1641 (oprs_not_set_p): Ditto.
1642 (alloc_gcse_mem): Don't allocate mem_set_in_block
1643 (free_gcse_mem): Don't free it, either.
1644 (record_last_mem_set_info): Update comment in front, remove
1645 mem_*set_* stuff. Note the reason we don't handle stores directly
1647 (compute_hash_table): Update comments to reflect reality. Remove
1648 mem_*set_* references.
1649 (reset_opr_set_tables): Remove mem_*set_* references.
1651 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
1652 (mark_clobber): Ditto (on both parts, we double set here too).
1653 (expr_killed_p): Remove mem_set_in_block test.
1654 (compute_transp): Remove mem_set_in_block test.
1656 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
1657 of edge, and removal of phi alternative to dump file.
1658 (ssa_ccp_substitute_constants): Add note about register now being
1659 constant, and which uses were replaced in what insns to dump file.
1661 2001-07-16 Andreas Jaeger <aj@suse.de>
1663 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
1664 variables of type HOST_WIDEST_INT.
1666 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
1667 (__bb_exit_func): Correct type of count_max to avoid overflow.
1668 (num_digits): Handle long long argument.
1670 * combine.c (gen_lowpart_for_combine): Remove unused variable.
1672 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1674 * output.h (sdb_begin_function_line): Restore as an extern
1676 * sdbout.c (sdb_begin_function_line): Make extern.
1678 2001-07-15 Richard Henderson <rth@redhat.com>
1680 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
1681 * genrecog.c (maybe_both_true_mode): New.
1682 (maybe_both_true_2): Use it.
1683 (write_switch): Don't put Pmode in a switch.
1684 * rtl.c (mode arrays): Don't explicitly size them.
1686 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1688 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
1689 handling; move unconditional splitting before mode switching.
1691 * i386.md (type): Add fistp type.
1692 (i387, length_attr, scheduling definitions): Handle this type.
1693 (fix_trunc?f?i2): Revamp to use mode switching.
1694 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
1695 * i386.h (fp_cw_mode): New enum
1696 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
1697 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
1699 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1701 * Makefile.in (integrate.o): Add debug.h.
1702 * integrate.c (debug.h): Add.
1703 (output_inline_function): Save, reset, and restore debug_hooks.
1705 2001-07-15 Richard Henderson <rth@redhat.com>
1707 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
1708 instead of COMPARE for the EQUIV expression.
1710 2001-07-15 Richard Henderson <rth@redhat.com>
1712 * flow.c (redirect_edge_and_branch_force): Initialize
1713 global_live_at_start and global_live_at_end.
1714 (allocate_bb_life_data): Export.
1715 * basic-block.h (allocate_bb_life_data): Declare.
1716 * toplev.c (rest_of_compilation): Call it.
1718 2001-07-15 Richard Henderson <rth@redhat.com>
1720 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
1721 (alpha_tablejump_best_label): New.
1722 * config/alpha/alpha-protos.h: Declare them.
1723 * config/alpha/alpha.md: Use braced strings for code blocks.
1724 (tablejump_osf): Break out add with r29.
1725 (tablejump_osf_internal): Remove.
1726 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
1727 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
1729 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
1731 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
1734 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
1736 * i386-protos.h (ix86_split_fp_branch): Update prototype.
1737 (ix86_fp_jump_nontrivial_p): New.
1738 * i386.md (fp_jcc_?): Update call of split_fp_branch;
1739 use ix86_fp_jump_nontrivial_p.
1740 * i386.c (ix86_fp_jump_nontrivial_p): New.
1741 (ix86_split_fp_branch): Accept code instead of rtx.
1742 (ix86_expand_compare): Expand comparison early in case
1743 doing so is resonably cheap.
1745 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
1747 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
1749 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
1750 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
1752 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
1754 * dbxout.c (dbxout_source_line): Make static, update prototype.
1755 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
1756 (dbxout_init, dbxout_finish, dbxout_source_line,
1757 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
1758 * dbxout.h (dbxout_source_line): Delete.
1759 * debug.c (debug_nothing_file, debug_nothing_file_int,
1760 debug_nothing_file_charstar_rtx): New.
1761 (do_nothing_debug_hooks): Update.
1762 (debug_nothing_void, debug_nothing_charstar_rtx,
1763 dwarf2out_end_epilogue): New.
1764 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
1765 * debug.h (struct rtx_def): Declare.
1766 (gcc_debug_hooks): New hooks source_line, end_epilogue
1768 (debug_nothing_void, debug_nothing_charstar_rtx,
1769 dwarf2out_end_epilogue): New.
1770 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
1771 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
1772 (dwarf2_debug_hooks): Update.
1773 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
1774 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
1775 * dwarf2out.h (dwarf2out_source_line): Remove.
1776 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
1777 Make static, update prototype.
1778 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
1779 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
1780 (dwarf_debug_hooks): Update.
1781 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
1782 dwarfout_end_function): Remove.
1783 * final.c (profile_function): Use debug hooks for ending functions
1785 (output_source_line, final_end_function): Update prototype,
1787 (final_start_function, final_scan_insn): Update.
1788 * output.h (sdb_begin_function_line): Remove.
1789 (final_end_function): Update prototype.
1790 * sdbout.c (sdb_begin_function_line): Make static.
1791 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
1792 (sdbout_source_line): New.
1793 (sdbout_end_epilogue, sdbout_end_function): Make static, update
1795 (sdb_debug_hooks): Update.
1796 (sdbout_init, sdbout_source_line,
1797 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
1798 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
1799 * toplev.c (compile_file, rest_of_compilation): Update.
1800 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
1801 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
1802 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
1803 Update for prototype changes.
1804 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
1805 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
1807 2001-07-15 Richard Henderson <rth@redhat.com>
1809 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
1810 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
1811 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
1812 * config/alpha/alpha.c: Likewise.
1813 * config/alpha/alpha.md: Likewise.
1814 * config/alpha/alpha32.h: Likewise.
1815 * config/alpha/vms.h: Likewise.
1818 2001-07-14 Richard Henderson <rth@redhat.com>
1820 * config/alpha/alpha.md: Use define_constants for unspec values.
1821 Substitute throughout.
1823 2001-07-14 Tim Josling <tej@melbpc.org.au>
1825 * tree.def (EXPON_EXPR) remove. Never supported anyway.
1827 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
1829 * pa.md: Remove unused constraints from define_split's.
1831 2001-04-14 Richard Henderson <rth@redhat.com>
1833 * ifcvt.c (find_cond_trap): Test for exit block.
1835 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
1837 Re-install recently reverted patch.
1838 * emit-rtl.c (try_split): Update mark_jump_label call.
1839 * flow.c (find_sub_basic_blocks): Likewise.
1840 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
1842 (mark_all_labels): Kill second parameter.
1843 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
1844 (rebuild_jump_labels, jump_optimize_minimal): Update call
1846 (jump_optimize_1): Kill crossjumping code.
1847 (mark_jump_label): Kill cross_jump parameter.
1848 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
1849 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
1850 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
1852 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
1854 (dump_file_info): Likewise.
1855 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
1856 reorganize passes to do reg-stack first, bb-reorder second.
1857 * invoke.texi (-d letters doc): Remove the jump2 pass.
1859 2001-07-14 Richard Henderson <rth@redhat.com>
1861 * ifcvt.c (find_cond_trap): New.
1862 (find_if_header): Call it.
1863 (merge_if_block): Relax existing jump sanity check.
1864 * jump.c (jump_optimize_1): Remove conditional trap handling.
1866 2001-07-14 Alan Modra <amodra@bigpond.net.au>
1868 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
1870 (insn_refs_are_delayed): Correct comment.
1871 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
1872 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
1873 instead of r31. Make associated insn !TARGET_64BIT, and
1874 provide an additional 64-bit insn that clobbers r2.
1876 (udivsi3): Likewise.
1878 (umodsi3): Likewise.
1880 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
1882 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
1884 * flow.c (redirect_edge_and_branch_force, split_edge,
1885 try_crossjump_to_edge): Use set_block_for_new_insns.
1886 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
1888 2001-07-13 H.J. Lu (hjl@gnu.org)
1890 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
1893 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
1895 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
1897 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
1899 * c-common.c (decl_attributes): Take a pointer to the node to
1900 which attributes are to be attached, and a flags argument.
1901 * c-common.h (enum attribute_flags): New.
1902 (decl_attributes): Update prototype.
1903 * c-decl.c (start_decl, push_parm_decl, finish_struct,
1904 finish_enum, start_function): Update calls to decl_attributes.
1905 * c-parse.in (component_declarator, component_notype_declarator,
1906 label): Update calls to decl_attributes.
1908 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
1910 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
1911 * config/avr/avr.c (legitimate_address_p): Return value changed
1912 from letter to register classes. For better debugging.
1914 2001-07-13 Kazu Hirata <kazu@hxi.com>
1916 * jump.c (reversed_comparison_code_parts): Fix comment typos.
1918 2001-07-13 H.J. Lu (hjl@gnu.org)
1920 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
1922 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
1924 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
1925 correctly for shared configurations.
1926 * config/t-libgcc-pic: New.
1927 * config/{i386,m68k,sparc}/t-openbsd: New.
1928 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
1929 Support -shared. Support debugging libraries with -g.
1930 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
1931 frame information does not emit pointer diffs.
1932 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
1935 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
1937 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
1939 2001-07-13 David Edelsohn <edelsohn@gnu.org>
1941 * combine.c (try_combine): Ensure const_int pow2 is positive.
1943 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
1945 * config.gcc: Add configuration for s/390.
1946 * config/s390/s390.c: New. Subroutines for code generation.
1947 * config/s390/s390.h: New. Definitions for s/390.
1948 * config/s390/s390-protos.h: New. Prototypes.
1949 * config/s390/linux.h: New. Definitions for linux for s/390.
1950 * config/s390/linux64.h: New. Definitions for linux for zSeries.
1951 * config/s390/t-linux: New. Makefile fragment.
1952 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
1953 * config/s390/fixdfdi.h: New. Fix L_fix*di.
1955 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
1957 * emit-rtl.c (try_split): Update mark_jump_label call.
1958 * flow.c (find_sub_basic_blocks): Likewise.
1959 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
1961 (mark_all_labels): Kill second parameter.
1962 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
1963 (rebuild_jump_labels, jump_optimize_minimal): Update call
1965 (jump_optimize_1): Kill crossjumping code.
1966 (mark_jump_label): Kill cross_jump parameter.
1967 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
1968 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
1969 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
1971 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
1973 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
1974 reorganize passes to do reg-stack first, bb-reorder second.
1975 * invoke.texi (-d letters doc): Remove the jump2 pass.
1977 2001-07-12 Steve Ellcey <sje@cup.hp.com>
1979 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
1981 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1983 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
1985 (verify_flow_info): Make diagnostics prettier.
1987 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1989 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
1991 * flow.c (outgoing_edges_match): Return early if condition reversal
1994 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
1996 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
1997 (mips_move_2words): When splitting a move into two instructions,
1998 prefix the second address operand with '%D'.
2000 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
2002 * Makefile.in (final.o): Depend on debug.h.
2003 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
2004 (dbx_debug_hooks): Add new hooks.
2005 (xcoff_debug_hooks): New.
2006 * debug.c (debug_nothing_file_int_int): New.
2007 (do_nothing_debug_hooks): Update.
2008 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
2009 (debug_nothing_file_int_int): New.
2010 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
2011 static, update prototype.
2012 (dwarf2_debug_hooks): Update.
2013 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
2014 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
2015 static, update prototype.
2016 (dwarf_debug_hooks): Update.
2017 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
2018 * final.c: Include debug.h.
2019 (final_scan_insn): Use debug hooks when beginning and ending blocks.
2020 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
2021 static, update prototype.
2022 (sdb_debug_hooks): Update.
2023 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
2024 * toplev.c: Distinguish between xcoff and dbx.
2026 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
2027 Call all debug hooks, not just dwarf ones.
2029 2001-07-11 Timothy Wall <twall@redhat.com>
2031 * config.gcc: Add configuration for AIX5/IA64.
2032 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
2033 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
2034 support prefix/suffix code.
2035 * config/ia64/t-aix: New. Makefile fragment.
2036 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
2038 2001-07-11 Kazu Hirata <kazu@hxi.com>
2040 * recog.c (validate_change): Fix a comment typo.
2042 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
2044 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
2045 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
2047 * dbxout.c (dbx_debug_hooks): Add new hooks.
2048 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
2050 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
2052 * dbxout.h (dbxout_start_new_source_file,
2053 dbxout_resume_previous_source_file): Delete.
2054 * debug.c (do_nothing_debug_hooks): Add new hooks.
2055 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
2056 (debug_nothing_int_charstar, debug_nothing_int): New.
2057 * debug.h (gcc_debug_hooks): New hooks define, undef,
2058 start_source_file and end_source_file.
2059 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
2060 (debug_nothing_int_charstar, debug_nothing_int): New.
2061 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
2062 the conditionally compiled section.
2063 (dwarf2out_start_source_file, dwarf2out_end_source_file,
2064 dwarf2out_define, dwarf2out_undef): Make static.
2065 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
2066 dwarf2out_define, dwarf2out_undef): Remove.
2067 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
2068 (dwarfout_start_source_file, dwarfout_end_source_file,
2069 dwarfout_define, dwarfout_undef): Make static.
2070 (dwarfout_start_source_file_check,
2071 dwarfout_end_source_file_check): New.
2072 (dwarfout_define, dwarfout_finish): Update.
2073 * dwarfout.h (dwarfout_start_new_source_file,
2074 dwarfout_resume_previous_source_file, dwarfout_define,
2075 dwarfout_undef): Remove.
2076 * sdbout.c (sdb_debug_hooks): Add new hooks.
2077 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
2079 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
2080 make static, take an arg.
2081 * sdbout.h (sdbout_start_new_source_file,
2082 sdbout_resume_previous_source_file): Delete.
2083 * toplev.c (debug_start_source_file, debug_end_source_file,
2084 debug_define, debug_undef): Delete.
2085 * toplev.h (debug_start_source_file, debug_end_source_file,
2086 debug_define, debug_undef): Delete.
2088 * java/jcf-parse.c: Include debug.h.
2089 (parse_class_file): Update to use debug hooks directly.
2090 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
2092 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2094 * alias.c (set_mem_alias_set): New function.
2095 * rtl.h (set_mem_alias_set): Declare it.
2096 * builtins.c (expand_builtin_return_addr): Call it instead of
2097 using MEM_ALIAS_SET accessor.
2098 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
2099 (get_memory_rtx, expand_builtin_va_arg): Likewise.
2100 (expand_builtin_va_copy):Likewise.
2101 * caller-save.c (setup_save_areas): Likewise.
2102 * calls.c (compute_argument_addresses): Likewise.
2103 * explow.c (set_mem_attributes): Likewise.
2104 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
2105 (expand_assignment, store_constructor_field, store_field): Likewise.
2106 (expand_expr_unaligned): Likewise.
2107 * function.c (assign_stack_temp_for_type): Likewise.
2108 (put_reg_into_stack, gen_mem_addressof): Likewise.
2109 * ifcvt.c (noce_try_cmove_arith): Likewise.
2110 * reload1.c (reload, alter_reg): Likewise.
2111 * config/alpha/alpha.c (get_aligned_mem): Likewise.
2112 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
2113 (alpha_expand_unaligned_store): Likewise
2114 (alpha_expand_unaligned_load_words): Likewise.
2115 (alpha_expand_unaligned_store_words): Likewise.
2116 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
2117 (alpha_expand_epilogue): Likewise.
2118 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
2119 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
2120 * config/i386/i386.c (legitimize_pic_address): Likewise.
2121 * config/i960/i960.c (setup_incoming_varargs): Likewise.
2122 * config/ia64/ia64.c (spill_restore_mem): Likewise.
2123 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
2124 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
2125 * config/mips/mips.c (mips_va_arg): Likewise.
2126 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
2127 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
2128 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
2129 (setup_incoming_varargs, rs6000_va_arg): Likewise.
2130 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
2131 (rs6000_emit_epilogue): Likewise.
2132 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
2133 * config/sparc/sparc.c (sparc_va_arg): Likewise.
2134 * config/v850/v850.c (v850_va_arg): Likewise.
2136 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
2138 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
2139 when fallthru edge is present.
2140 (mege_blocks): Handle case where creation of jump insn
2143 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
2144 CLEANUP_POST_REGSTACK): New constants.
2145 * except.c (finish_eh_generation): Update call of cleanup_cfg,
2146 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
2147 * output.h (cleanup_cfg): Update prototype.
2148 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
2149 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
2150 cleanup_cfg call; kill missleading comment.
2151 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
2152 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
2153 parameter; control optimizations performed using it.
2154 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
2155 try_crossjump_bb): New functions.
2157 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
2159 * pa.c (pa_output_function_prologue): Delete prototype. Make function
2161 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
2162 pa_output_function_prologue.
2163 * pa-protos.h (pa_output_function_prologue): New prototype.
2165 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
2167 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
2168 and low to get correct sign extension in low+high test.
2170 2001-07-11 Janis Johnson <janis@us.ibm.com>
2172 * gcov.c (arcdata): Use gcov_type to fix branch percentage
2173 for large hit count.
2175 * profile.c (branch_prob): Fix .bbg info for computed gotos
2178 2001-07-11 Mark Mitchell <mark@codesourcery.com>
2180 * stmt.c (parse_output_constraint): New function, split out
2182 (expand_asm_operands): ... here. Use parse_output_constraint.
2183 * tree.h (parse_output_constraint): Declare it.
2185 2001-07-11 Richard Henderson <rth@redhat.com>
2187 * bitmap.c: Comment some functions; fiddle whitespace.
2188 (bitmap_free): Don't export.
2189 (bitmap_element_allocate): Use memset.
2190 * bitmap.h (bitmap_free): Don't declare.
2192 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
2194 * gcse.c, lcm.c, sched-deps.c:
2195 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
2197 * flow.c (flow_loops_find): Free dom if we found no loops, since
2198 we aren't going to save it.
2200 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
2203 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
2205 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
2207 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2209 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
2210 #ifndef DWARF2_DEBUGGING_INFO.
2212 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
2214 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
2216 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
2218 * config/mips/mips.c (gen_int_relational): Tell the caller not to
2219 reverse a branch if a NE comparison is implemented with GTU.
2221 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
2222 H.J. Lu <hjl@gnu.org>
2224 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
2226 (call_internal2): Likewise.
2227 (call_value_internal1): Likewise.
2228 (call_value_internal2): Likewise.
2229 (call_value_multiple_internal1): Likewise.
2230 (call_value_multiple_internal2): Likewise.
2232 2001-07-10 Kazu Hirata <kazu@hxi.com>
2234 * calls.c (emit_library_call_value_1): Fix a comment typo.
2235 * dwarf2out.c (mem_loc_descriptor): Likewise.
2236 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
2238 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
2240 * simplify-rtx.c (simplify_subreg): Fix typo in comment
2242 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2244 * recog.c (offsettable_address_p): Handle LO_SUM case.
2245 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
2246 instead of plus_constant.
2248 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2250 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
2251 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
2253 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2255 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
2256 adjust_address_nv instead of plus_constant.
2258 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
2260 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
2261 dwarf2out.o): Depend on debug.h, wrap long lines.
2262 * dbxout.c: Include debug.h.
2263 (dbx_debug_hooks): New.
2264 (dbxout_init): Make static, take just 2 args.
2265 (dbxout_finish): Make static.
2266 * dbxout.h (dbxout_init, dbxout_finish): Delete.
2267 * debug.c: New file.
2268 * debug.h: New file.
2269 * dwarf2out.c: Include debug.h.
2270 (dwarf2_debug_hooks): New.
2271 (dwarf2out_init): Make static.
2272 (dwarf2out_finish): Make static, take 2 args.
2273 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
2274 * dwarfout.c: Include debug.h.
2275 (dwarf_debug_hooks): New.
2276 (dwarfout_init): Make static.
2277 (dwarfout_finish): Make static, take 2 args.
2278 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
2279 * sdbout.c: Include debug.h.
2280 (sdb_debug_hooks): New.
2281 (sdbout_init): Make static, take 2 args.
2282 * sdbout.h (sdbout_init): Delete.
2283 * toplev.c: Include debug.h.
2285 (compile_file): Set deubg_hooks based on command line options.
2286 Use the hooks unconditionally rather than conditional compilation.
2288 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
2290 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
2291 first_insn_after_basic_block_note instead.
2293 * df.c (df_bb_refs_unlink): #if 0 out for now.
2295 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
2297 * ssa.h: Add prototype for ssa_const_prop
2298 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
2299 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
2300 (ssa_fast_dce): Remove unused variable
2302 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
2304 * diagnostic.c (finish_diagnostic): Rename to
2305 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
2308 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
2310 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
2313 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
2314 (dump_file): Only pad the demangled name with spaces if the
2315 mangled name was padded with spaces.
2317 2001-07-10 Bernd Schmidt <bernds@redhat.com>
2319 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
2322 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2324 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
2325 extraction if no direct load if either EXPAND_CONST_ADDRESS or
2328 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
2329 whether can put offset inside LO_SUM to check mode alignment, not size.
2331 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
2333 * doc/tm.texi (Misc): Fix thinko.
2335 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
2337 * regmove.c (replace_in_call_usage): Fix warnings.
2338 * sched-deps.c (add_dependence): Fix warnings.
2339 * simplify-rtx.c (simplify_subreg): Likewise.
2340 Return NULL_RTX instead of NULL.
2342 * reg-stack.c (emit_swap_insn): Eliminate warnings.
2343 (subst_asm_stack_regs): Likewise.
2345 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
2348 * dwarf2out.c (output_call_frame_info): Declare i as int.
2349 (build_abbrev_table): Declare n_alloc as int.
2350 (dwarf2out_finish): Initialize die.
2351 * except.c: Declare sjlj_funcdef_number as unsigned.
2352 (connect_post_landing_pads): Declare j as unsigned.
2353 (convert_to_eh_region_ranges): Initialize call_site.
2354 (output_function_exception_table): Initialize tt_format_size.
2355 * expr.c (move_by_pieces_1): Initialize to1.
2356 (store_constructor): Initialize minelt and maxelt.
2357 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
2358 * function.c (instantiate_decls): Avoid signed/unsigned warning.
2360 * c-decl.c (combine_parm_decls): Unused, remove.
2361 * c-tree.h: Remove prototype for combine_parm_decls.
2363 * reload.c (push_reload): Fix warning.
2364 (regno_clobbered_p): Likewise.
2365 * reload1.c (replace_pseudos_in_call_usage): Likewise.
2366 (reload_combine): Likewise.
2368 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
2369 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
2371 * bitmap.c (bitmap_operation): Change user.
2372 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
2374 2001-07-10 Eric Christopher <echristo@redhat.com>
2376 * config/mips/mips.c (override_options): Fix typo.
2378 2001-07-09 Stan Shebs <shebs@apple.com>
2380 * target.h (struct gcc_target): New fields init_builtins and
2382 * target-def.h (TARGET_INIT_BUILTINS): New macro.
2383 (TARGET_EXPAND_BUILTIN): New macro.
2384 (TARGET_INITIALIZER): Add them.
2385 * builtins.c: Include target.h.
2386 (expand_builtin): Use targetm.expand_builtin.
2387 (default_init_builtins): New function.
2388 (default_expand_builtin): New function.
2389 * expr.h (default_init_builtins): Declare.
2390 (default_expand_builtin): Declare.
2391 * c-common.c (c_common_nodes_and_builtins): Use
2392 targetm.init_builtins.
2393 * defaults.h (MD_INIT_BUILTINS): Remove.
2394 * Makefile.in (builtins.o): Depend on target.h.
2396 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
2397 (TARGET_EXPAND_BUILTIN): Define.
2398 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
2399 (MD_EXPAND_BUILTIN): Remove.
2401 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
2402 (TARGET_EXPAND_BUILTIN): Define.
2403 (c4x_init_builtins): Make endlink arg a local.
2404 (c4x_print_operand): Fix typos in adjust_address usages.
2405 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
2406 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
2407 (MD_EXPAND_BUILTIN): Remove.
2409 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
2410 (TARGET_EXPAND_BUILTIN): Define.
2411 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
2412 (ix86_init_builtins): Call new function only if TARGET_MMX.
2413 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
2414 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
2415 (MD_EXPAND_BUILTIN): Remove.
2417 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
2418 (TARGET_EXPAND_BUILTIN): Define.
2419 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
2420 (MD_EXPAND_BUILTIN): Remove.
2422 * doc/tm.texi: Document these changes.
2424 2001-07-09 Diego Novillo <dnovillo@redhat.com>
2426 * basic-block.h (tree_node): Forward declare if needed.
2427 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
2428 (BLOCK_HEAD_TREE): Define.
2429 (BLOCK_END_TREE): Define.
2430 (struct loops): Rename field 'tree' to 'tree_root'.
2431 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
2433 (flow_loops_tree_build): Rename reference to field 'tree' to
2435 (flow_loops_level_compute): Ditto.
2436 * predict.c (estimate_bb_frequencies): Ditto.
2437 * tree.h (struct tree_common): Add field 'aux'.
2439 2001-07-09 Stan Shebs <shebs@apple.com>
2441 * config/darwin.c (darwin_encode_section_info): Don't mark any
2442 DECL_EXTERNAL node as defined.
2444 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
2446 * pa.c (pa_init_machine_status, pa_mark_machine_status,
2447 pa_free_machine_status, hppa_init_pic_save): Delete.
2448 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
2449 (hppa_profile_hook): Use hppa_pic_save_rtx.
2450 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
2451 hppa_init_pic_save): Delete.
2452 (hppa_pic_save_rtx): Declare.
2453 * pa.md (call, call_value, sibcall, sibcall_value,
2454 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
2456 2001-07-09 Kazu Hirata <kazu@hxi.com>
2458 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
2459 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
2461 2001-07-09 Andreas Jaeger <aj@suse.de>
2463 * output.h: Add declaration of final_forward_branch_p.
2465 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
2467 * varray.c: Include errors.h for internal_error and trim_filename
2470 * Makefile.in (varray.o): Add errors.h.
2472 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
2474 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
2475 * optabs.c (have_add2_insn): Check whether the add insn chosen
2476 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
2477 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
2479 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
2481 * Makefile.in (OBJS): Add ssa-ccp.o
2482 (ssa-ccp.o): Add dependencies.
2483 * toplev.c (DFI_ssa_ccp): New dump file enum.
2484 (dump_file): Add entry for dumping after SSA CCP.
2485 (flag_ssa_ccp): New flag variable.
2486 (f_options): Add -fssa-ccp.
2487 (rest_of_compilation): Run SSA CCP if requested.
2488 * timevar.def (TV_SSA_CCP): New timevar.
2489 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
2490 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
2491 Fix minor typo in SSA DCE documentation.
2492 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
2493 Add documentation for new dump option. Renumber dump files
2496 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2498 * emit-rtl.c (gen_highpart_mode): New.
2499 * rtl.h (gen_highpart_mode): Declare.
2500 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
2501 operand can be VOIDmode constant.
2503 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
2505 * flow.c (redirect_edge_and_branch_force): New.
2506 (can_fallthru): Ensure that basic blocks are succeeding.
2507 (try_optimize_cfg): Do not delete basic block if it is the last one.
2509 * flow.c (try_redirect_by_replacing_jump): Do not remove
2510 jumps with side effects, unlink chain on fallthru edge;
2511 set block for new jump instruction; avoid basic block to
2512 over by line number note.
2514 * flow.c (try_simplify_condjump): Verify that the condjump
2515 is not always falling trought.
2518 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
2520 * flow.c (forwarder_block_p): Fix for fallthru blocks.
2521 (try_redirect_by_replacing_jump): Update properly the count
2522 and frequency information.
2524 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2526 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
2527 address that is a LO_SUM specially.
2528 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
2530 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
2532 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
2533 (operand_subword): Use them.
2534 (change_address_1): Renamed from change_address; new arg VALIDATE.
2535 * expr.h: Reflect above changes; change_address now macro.
2536 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
2538 * cselib.c (add_mem_for_addr): Likewise.
2539 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
2540 * regmove.c (try_apply_stack_adjustment): Likewise.
2541 * reload.c (push_reload, make_memloc): Likewise.
2542 * reload1.c (eliminate_regs): Likewise.
2543 * simplify-rtx.c (simplify_replace_rtx): Likewise.
2544 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
2546 * combine.c (make_extraction, simplify_shift_const): Likewise.
2547 (gen_lowpart_for_combine): Likewise.
2548 * cse.c (gen_lowpart_if_possible): Likewise.
2549 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
2550 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
2551 * optabs.c (gen_move_insn): Likewise.
2552 * reload1.c (alter_reg): Likewise.
2553 * simplify-rtx.c (simplify_subreg): Likewise.
2554 * stmt.c (expand_anon_union_decl): Likewise.
2555 * recog.c (validate_replace_rtx_1): Likewise.
2557 * Makefile.in (recog.o): Add $(EXPR_H).
2558 * explow.c (stabilize): Call replace_equiv_address.
2559 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
2560 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
2562 2001-07-03 Andrew Haley <aph@redhat.com>
2564 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
2565 the mode of the memory location.
2567 2001-07-09 Bo Thorsen <bo@suse.co.uk>
2569 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
2571 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
2573 * final.c (output_addr_const): Use target opening and
2574 closing parentheses.
2575 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
2576 defaults, add to TARGET_ASM_OUT.
2577 * target.h (struct gcc_target): Add open_paren and close_paren.
2578 * doc/md.texi: Update.
2579 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
2580 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
2581 TARGET_ASM_CLOSE_PAREN.
2582 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
2584 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
2586 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
2587 * config/a29k/a29k.h: Similarly.
2588 * config/alpha/alpha.h: Similarly.
2589 * config/arc/arc.h: Similarly.
2590 * config/arm/aof.h: Similarly.
2591 * config/arm/aout.h: Similarly.
2592 * config/avr/avr.h: Similarly.
2593 * config/c4x/c4x.h: Similarly.
2594 * config/clipper/clipper.h: Similarly.
2595 * config/convex/convex.h: Similarly.
2596 * config/d30v/d30v.h: Similarly.
2597 * config/dsp16xx/dsp16xx.h: Similarly.
2598 * config/elxsi/elxsi.h: Similarly.
2599 * config/fr30/fr30.h: Similarly.
2600 * config/h8300/h8300.h: Similarly.
2601 * config/i370/i370.h: Similarly.
2602 * config/i386/i386.h: Similarly.
2603 * config/i860/i860.h: Similarly.
2604 * config/i960/i960.h: Similarly.
2605 * config/ia64/ia64.h: Similarly.
2606 * config/m32r/m32r.h: Similarly.
2607 * config/m68hc11/m68hc11.h: Similarly.
2608 * config/m68k/m68k.h: Similarly.
2609 * config/m88k/m88k.h: Similarly.
2610 * config/mcore/mcore.h: Similarly.
2611 * config/mips/mips.h: Similarly.
2612 * config/mn10200/mn10200.h: Similarly.
2613 * config/mn10300/mn10300.h: Similarly.
2614 * config/ns32k/ns32k.h: Similarly.
2615 * config/pa/pa.h: Similarly.
2616 * config/pdp11/pdp11.h: Similarly.
2617 * config/pj/pj.h: Similarly.
2618 * config/romp/romp.h: Similarly.
2619 * config/rs6000/rs6000.h: Similarly.
2620 * config/sh/sh.h: Similarly.
2621 * config/sparc/sparc.h: Similarly.
2622 * config/v850/v850.h: Similarly.
2623 * config/vax/vax.h: Similarly.
2624 * config/we32k/we32k.h: Similarly.
2626 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
2628 * doc/c-tree.texi: Document representation of attributes.
2630 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
2632 * doc/tm.texi: Update some places for the rename of target to
2635 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
2637 * target.h (struct gcc_target): Add insert_attributes.
2638 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
2639 (TARGET_INITIALIZER): Update.
2640 * tree.c, tree.h (default_insert_attributes): New function.
2641 Update comments on other default functions to refer to targetm,
2643 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
2644 TARGET_INSERT_ATTRIBUTES.
2645 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
2646 * c-common.c (decl_attributes): Use targetm.insert_attributes.
2647 Don't use PRAGMA_INSERT_ATTRIBUTES.
2648 * Makefile.in (c-common.o): Depend on $(TARGET_H).
2649 * c-decl.c (start_decl, start_function): Don't call
2650 SET_DEFAULT_DECL_ATTRIBUTES.
2651 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
2652 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
2654 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
2655 (c4x_check_attribute): Avoid modifying attribute list itself.
2656 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
2658 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
2659 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
2661 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
2662 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
2664 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
2665 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
2667 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
2668 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
2669 Adjust parameters. Make static.
2671 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
2673 * c-common.c (decl_attributes): Only take a single attributes
2675 * c-common.h (decl_attributes): Update prototype.
2676 * c-decl.c (start_decl, start_function): Only take a single
2677 attributes parameter. Update calls to decl_attributes.
2678 (finish_struct, finish_enum): Update calls to decl_attributes.
2679 (push_parm_decl): Expect unified list of attributes. Update call
2681 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
2682 notype_nested_function, component_declarator,
2683 component_notype_declarator, label): Update calls to
2685 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
2686 lists that are passed to push_parm_decl.
2687 * c-tree.h (start_function, start_decl): Update prototypes.
2688 * config/sh/sh-protos.h, config/sh/sh.c
2689 (sh_pragma_insert_attributes): Only take a single attributes
2691 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
2692 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
2693 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
2694 build_module_descriptor, generate_static_references,
2695 generate_strings, build_selector_translation_table,
2696 generate_descriptor_table, generate_protocols,
2697 generate_ivars_list, generate_dispatch_table,
2698 generate_protocol_list, generate_category,
2699 generate_shared_structures, really_start_method, add_objc_decls,
2700 generate_classref_translation_entry): Update calls to start_decl
2702 (build_tmp_function_decl, start_method_def): Unify attribute lists
2703 that are passed to push_parm_decl.
2705 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
2707 * final.c (no_asm_to_stream): New.
2708 (final_scan_insn): Use target structures for prologue ends
2709 and epilogue starts.
2710 * output.h (no_asm_to_stream): New.
2711 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
2712 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
2713 (TARGET_ASM_OUT): Update.
2714 * target.h (struct gcc_target): New members function_end_prologue
2715 and function_begin_epilogue.
2716 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
2717 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
2718 * config/alpha/alpha.c (output_end_prologue): Rename to
2719 alpha_output_function_end_prologue. Use in target struct
2721 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
2722 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
2723 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
2724 ia64_output_function_end_prologue. Use in target struct
2726 (ia64_function_prologue, ia64_funciton_epilogue): Rename
2727 mistyped prototypes.
2728 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
2729 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
2731 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
2732 an use in target struct, make static.
2733 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
2736 2001-07-08 Richard Henderson <rth@redhat.com>
2738 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
2740 2001-07-08 Richard Henderson <rth@redhat.com>
2742 * config/i386/i386.md: Remove constraints strings from define_split
2743 and define_peephole2 patterns.
2744 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
2745 (eh_return): Use them.
2747 2001-07-08 Richard Henderson <rth@redhat.com>
2749 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
2750 Document MD_FALLBACK_FRAME_STATE_FOR.
2752 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2754 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
2755 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
2757 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
2759 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
2761 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
2762 of the label inside NAME as opposed to just the end of NAME.
2764 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
2766 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
2767 * config/alpha/alpha.c (alpha_init_machine_status,
2768 alpha_mark_machine_status, alpha_free_machine_status): Delete.
2769 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
2770 (vms_valid_decl_attribute_p): Make static, conditionally compile.
2771 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
2773 2001-07-06 Stan Shebs <shebs@apple.com>
2775 * target.h (targetm): Rename global from "target", so as not to
2776 conflict with local variables.
2778 * c-typeck.c: Ditto.
2782 * cp/decl2.c: Ditto.
2783 * cp/typeck.c: Ditto.
2784 * 1750a/1750a.c: Ditto.
2785 * a29k/a29k.c: Ditto.
2789 * clipper/clipper.c: Ditto.
2790 * convex/convex.c: Ditto.
2791 * d30v/d30v.c: Ditto.
2792 * dsp16xx/dsp16xx.c: Ditto.
2793 * elxsi/elxsi.c: Ditto.
2794 * fr30/fr30.c: Ditto.
2795 * h8300/h8300.c: Ditto.
2796 * i370/i370.c: Ditto.
2797 * i386/i386.c: Ditto.
2798 * i860/i860.c: Ditto.
2799 * i960/i960.c: Ditto.
2800 * ia64/ia64.c: Ditto.
2801 * m32r/m32r.c: Ditto.
2802 * m68hc11/m68hc11.c: Ditto.
2803 * m68k/m68k.c: Ditto.
2804 * m88k/m88k.c: Ditto.
2805 * mips/mips.c: Ditto.
2806 * ns32k/ns32k.c: Ditto.
2808 * pdp11/pdp11.c: Ditto.
2809 * romp/romp.c: Ditto.
2810 * rs6000/rs6000.c: Ditto.
2812 * sparc/sparc.c: Ditto.
2814 * we32k/we32k.c: Ditto.
2815 * doc/tm.texi: Update the manual to match.
2817 2001-07-06 Richard Henderson <rth@redhat.com>
2819 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
2820 DWARF2_UNWIND_INFO not just whether it is defined.
2822 2001-07-06 Diego Novillo <dnovillo@redhat.com>
2824 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
2825 call to simplify_binary_operation returns a new pattern.
2827 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2829 * glimits.h (__SHRT_MAX__): New.
2830 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
2831 (SHRT_MAX): Define in terms of __SHRT_MAX__.
2833 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
2835 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
2838 2001-07-06 Richard Henderson <rth@redhat.com>
2840 * bitmap.c (bitmap_release_memory): Move adjacent to the
2841 allocation functions.
2842 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
2843 the implementation. Binary search for the set bit.
2844 (bitmap_union_of_diff): Allocate the temporary on the stack
2845 instead of using xmalloc.
2847 2001-07-06 Richard Henderson <rth@redhat.com>
2849 * genrecog.c (validate_pattern): Warn for constraints in
2850 define_{expand,split,peephole2}. Remove strict_low_part
2851 before looking up match_dup.
2853 2001-07-06 DJ Delorie <dj@redhat.com>
2855 * doc/gcc.texi (Makefile): Rename to be a more general purpose
2856 chapter about various build hints and history. Add section
2857 talking about the various types of native and cross builds.
2859 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
2861 * Makefile.in (final.o): Depend on target.h.
2862 * final.c: Include target.h.
2863 (default_function_pro_epilogue): New.
2864 (final_start_function): Use target structure for function prologues.
2865 (final_end_function): Use target structure for function epilogues.
2866 * fold-const.c (real_hex_to_f): Constify s and p.
2867 * output.h (default_function_pro_epilogue): New.
2868 * real.h (real_hex_to_f): Update prototype.
2869 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
2870 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
2871 (TARGET_INITIALIZER): Update.
2872 * target.h (gcc_target): Add struct asm_out.
2873 * doc/tm.texi: Update.
2876 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
2877 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
2878 in cpu/cpu.c, or rename old functions consistently. Take
2879 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
2880 redundant macros and prototypes. Make new functions static.
2882 * 1750a/1750a.c: Similarly.
2883 * 1750a/1750a.h: Similarly.
2884 * a29k/a29k-protos.h: Similarly.
2885 * a29k/a29k.c: Similarly.
2886 * a29k/a29k.h: Similarly.
2887 * arc/arc-protos.h: Similarly.
2888 * arc/arc.c: Similarly.
2889 * arc/arc.h: Similarly.
2890 * arm/arm-protos.h: Similarly.
2891 * arm/arm.c: Similarly.
2892 * arm/arm.h: Similarly.
2893 * avr/avr-protos.h: Similarly.
2894 * avr/avr.c: Similarly.
2895 * avr/avr.h: Similarly.
2896 * clipper/clipper-protos.h: Similarly.
2897 * clipper/clipper.c: Similarly.
2898 * clipper/clipper.h: Similarly.
2899 * convex/convex.c: Similarly.
2900 * convex/convex.h: Similarly.
2901 * d30v/d30v-protos.h: Similarly.
2902 * d30v/d30v.c: Similarly.
2903 * d30v/d30v.h: Similarly.
2904 * d30v/d30v.md: Similarly.
2905 * dsp16xx/dsp16xx-protos.h: Similarly.
2906 * dsp16xx/dsp16xx.c: Similarly.
2907 * dsp16xx/dsp16xx.h: Similarly.
2908 * elxsi/elxsi.c: Similarly.
2909 * elxsi/elxsi.h: Similarly.
2910 * fr30/fr30.c: Similarly.
2911 * fr30/fr30.md: Similarly.
2912 * h8300/h8300-protos.h: Similarly.
2913 * h8300/h8300.c: Similarly.
2914 * h8300/h8300.h: Similarly.
2915 * i370/i370-protos.h: Similarly.
2916 * i370/i370.c: Similarly.
2917 * i370/i370.h: Similarly.
2918 * i386/i386.c: Similarly.
2919 * i386/osf1elf.h: Similarly.
2920 * i386/osfrose.h: Similarly.
2921 * i860/i860-protos.h: Similarly.
2922 * i860/i860.c: Similarly.
2923 * i860/i860.h: Similarly.
2924 * i960/i960-protos.h: Similarly.
2925 * i960/i960.c: Similarly.
2926 * i960/i960.h: Similarly.
2927 * ia64/ia64-protos.h: Similarly.
2928 * ia64/ia64.c: Similarly.
2929 * ia64/ia64.h: Similarly.
2930 * m32r/m32r-protos.h: Similarly.
2931 * m32r/m32r.c: Similarly.
2932 * m32r/m32r.h: Similarly.
2933 * m68hc11/m68hc11-protos.h: Similarly.
2934 * m68hc11/m68hc11.c: Similarly.
2935 * m68hc11/m68hc11.h: Similarly.
2936 * m68k/crds.h: Similarly.
2937 * m68k/dpx2.h: Similarly.
2938 * m68k/m68k-protos.h: Similarly.
2939 * m68k/m68k.c: Similarly.
2940 * m68k/m68k.h: Similarly.
2941 * m68k/news.h: Similarly.
2942 * m88k/m88k-protos.h: Similarly.
2943 * m88k/m88k.c: Similarly.
2944 * m88k/m88k.h: Similarly.
2945 * mips/mips-protos.h: Similarly.
2946 * mips/mips.c: Similarly.
2947 * mips/mips.h: Similarly.
2948 * ns32k/merlin.h: Similarly.
2949 * ns32k/ns32k.c: Similarly.
2950 * ns32k/ns32k.h: Similarly.
2951 * ns32k/tek6000.h: Similarly.
2952 * pa/pa-protos.h: Similarly.
2953 * pa/pa.c: Similarly.
2954 * pa/pa.h: Similarly.
2955 * pdp11/2bsd.h: Similarly.
2956 * pdp11/pdp11-protos.h: Similarly.
2957 * pdp11/pdp11.c: Similarly.
2958 * pdp11/pdp11.h: Similarly.
2959 * romp/romp-protos.h: Similarly.
2960 * romp/romp.c: Similarly.
2961 * romp/romp.h: Similarly.
2962 * rs6000/rs6000-protos.h: Similarly.
2963 * rs6000/rs6000.c: Similarly.
2964 * rs6000/rs6000.h: Similarly.
2965 * rs6000/sysv4.h: Similarly.
2966 * sh/sh-protos.h: Similarly.
2967 * sh/sh.c: Similarly.
2968 * sh/sh.h: Similarly.
2969 * sparc/sparc-protos.h: Similarly.
2970 * sparc/sparc.c: Similarly.
2971 * sparc/sparc.h: Similarly.
2972 * vax/vax.c: Similarly.
2973 * vax/vax.h: Similarly.
2974 * vax/vms.h: Similarly.
2975 * we32k/we32k.c: Similarly.
2976 * we32k/we32k.h: Similarly.
2978 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
2980 * basic-block.h (first_insn_after_basic_block_note): Declare.
2981 * flow.c (first_insn_after_basic_block_note): Define. Moved
2983 * ssa.c (first_insn_after_basic_block_note): Remove.
2984 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
2986 (ssa_eliminate_dead_code): Properly update the CFG and PHI
2987 nodes when we find a dead conditional branch. Insert BARRIERs
2988 after any blocks with no successors, but which do not have
2991 2001-07-06 Zack Weinberg <zackw@stanford.edu>
2993 * varray.c (varray_check_failed): Use internal_error.
2995 2001-07-05 Andrew Haley <aph@redhat.com>
2997 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
2998 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
2999 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
3001 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
3003 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
3004 reference if the target constant is also a SYMBOL_REF.
3006 2001-07-05 Eric Christopher <echristo@redhat.com>
3008 * config/mips/mips.h (MASK_MIPS3900): Remove.
3009 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
3010 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
3011 (TARGET_MIPS3900): Change to use mips_arch.
3012 (TARGET_MIPS4000): New.
3013 (TARGET_MIPS4100): New.
3014 (TARGET_MIPS4300): New.
3015 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
3016 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
3018 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
3019 (ISA_HAS_BRANCHLIKELY): To here.
3020 (CC1_CPU_SPEC): New.
3021 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
3022 (mips_arch_string): Declare.
3023 (mips_arch): Declare.
3024 (TARGET_OPTIONS): Add -march and -mtune.
3026 * config/mips/mips.c (mips_arch_string): New.
3028 (override_options): Handle -march for codegen and -mtune
3029 for scheduling. Use mips_arch. Move tx39 target default here.
3030 (mips_parse_cpu): Move error message to override_options.
3032 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
3034 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
3036 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
3037 (MIPS Options): Ditto. Change mcpu entry to historical text.
3039 2001-07-05 H.J. Lu (hjl@gnu.org)
3041 * config/mips/mips.c (mips_parse_cpu): New function to parse
3044 2001-07-05 Jim Wilson <wilson@redhat.com>
3046 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
3047 * config/ia64/t-ia64: Likewise.
3048 (LIB1ASMFUNCS): Update comment.
3050 2001-07-05 David Edelsohn <edelsohn@gnu.org>
3052 * doc/install.texi (Install GCC: Binaries): Fix typo.
3054 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3056 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
3057 reference using the stack pointer, adjust it since we push Y
3059 ("*ashrsi3"): Likewise.
3060 ("*lshrsi3"): Likewise.
3062 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3064 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
3065 when -fomit-frame-pointer is used.
3067 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
3069 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
3070 (try_redirect_by_replacing_jump): Reverse updating properly the
3071 count and frequency information. Reverse removing cc0 setter.
3072 (forwarder_block_p): Reverse fixing for fallthru blocks.
3074 2001-07-05 DJ Delorie <dj@redhat.com>
3076 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
3077 (translate_options): If the above is defined, use it to map
3078 given options to new options.
3079 * doc/tm.texi: Document it.
3081 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
3082 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3084 * doc/invoke.texi (Optimize Options): Document that -fgcse may
3085 cause programs using computed gotos to run more slowly.
3087 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3089 * doc/install.texi (Specific): Markup, spelling and typo fixes.
3091 Consistently require binutils 2.11.2, not prereleases.
3092 (Specific, decstation-*): Canonicalize as mips-dec-*.
3093 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
3095 (Specific, m68k-altos): Removed reference to README.altos, deleted.
3096 (Specific, mips-*): Reword MIPS C compiler requirements.
3097 (Specific, powerpc*-*-*): New, mention --with-cpu once.
3098 (Specific, sunv5): Removed, obsolete.
3100 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
3102 * dwarf2out.c (output_loc_list): Use an all ones mask for
3103 .text asm output and don't rely on long long
3104 literals. Reformat some long lines.
3106 2001-07-05 Andreas Jaeger <aj@suse.de>
3108 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
3111 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
3113 * dwarf2out.c (dwarf2out_define): Update comment.
3114 (dwarf2out_undef): Ditto.
3115 (dwarf2out_start_source_file): Ditto.
3116 (dwarf2out_end_source_file): Ditto.
3117 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
3118 since we never call the start/end debug hook for the primary file.
3120 2001-07-04 Kazu Hirata <kazu@hxi.com>
3122 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
3125 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
3127 * cppinit.c (remove_dup_dirs): Inform if a system include
3128 directory is being reordered.
3129 * doc/invoke.texi (Directory Options): GCC warns if you hide a
3131 * doc/cpp.texi (Search Paths): Likewise.
3132 * doc/gcc.texi (Interoperation): Remove information about
3135 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
3137 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
3138 (VARRAY_TOP_CHAR_PTR): Likewise.
3140 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3142 * gcc.c (process_command): Don't assign elements of a const char*.
3144 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3146 * emit-rtl.c (change_address): Don't abort if invalid address while
3147 reload is in progress.
3149 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
3151 * c-lex.c (cb_file_change): Pass line number to
3152 debug_start_source_file.
3153 (cb_undefine): Pass correct line number to debug_undef.
3155 * toplev.c (debug_start_source_file): Add line number to
3156 parameters. Pass it along to dwarf2out_start_source_file.
3157 (decode_g_option): Stop resetting debug level back to normal when
3158 we change debug formats, unless the current level is
3159 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
3162 * toplev.h (debug_start_source_file): Add line number to
3165 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
3168 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
3170 Output debug_macinfo data for starting file if requested.
3171 (dwarf2out_end_source_file): Output debug_macinfo data for ending
3173 (dwarf2out_define): Output debug_macinfo data for defining a macro
3175 (dwarf2out_undef): Output debug_macinfo data for undefining a
3177 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
3178 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
3179 (macinfo_section_label): New. DWARF2 macro info section label.
3180 (dwarf2out_init): If we want macro info, output the start label
3182 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
3183 attribute to the compilation unit die pointing to the macro info.
3185 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
3187 * dwarf2out.c (new_loc_list): Move to inside #ifdef
3188 DWARF2_DEBUGGING_INFO.
3189 (add_loc_descr_to_loc_list): Ditto.
3190 (output_loc_list): Ditto.
3191 Also, fix thinko in curr not being initialized.
3192 (gen_internal_sym): Ditto.
3194 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3196 * emit-rtl.c (replace_equiv_address): New function.
3197 * expr.h (replace_equiv_address): New declaration.
3198 * explow.c (validize_mem): Call it instead of change_address and
3199 also call if -fforce-addr and address is constant.
3200 * expr.c: Replace more calls to change_address with adjust_address
3201 and/or replace_equiv_address or to validize_mem.
3202 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
3203 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
3204 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
3205 * config/i370/i370.md, config/i860/i860.md: Likewise.
3206 * config/i960/i960.md, config/mips/mips.c: Likewise.
3207 * config/mips/mips.md, config/pa/pa.md: Likewise.
3208 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
3209 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
3211 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3213 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
3215 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
3218 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
3220 * doc/include: New directory.
3221 * doc/fdl.texi: Move to doc/include/fdl.texi.
3222 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
3223 * doc/include/funding.texi, doc/include/gpl.texi: New files.
3224 * doc/gcc.texi: Use funding.texi and gpl.texi.
3225 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
3226 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
3227 Update dependencies and use -I $(docdir)/include.
3229 2001-07-04 Anthony Green <green@redhat.com>
3231 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
3233 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3235 * doc/install.texi (sparc64-*-*): Remove garbage.
3237 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
3239 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
3240 Fix typo in last change to use adjust_address.
3242 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3244 * doc/install.texi (Specific): Update information for *-*-solaris*.
3246 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3248 * explow.c (plus_constant_wide): Reinitialize Y for restart.
3250 2001-07-03 Stan Shebs <shebs@apple.com>
3252 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
3253 case for flag_no_mach_text_sections.
3254 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
3255 * config/darwin.c (flag_no_mach_text_sections): Remove.
3256 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
3258 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3260 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
3261 and avoid checking for constant as first operand.
3262 * recog.c (find_constant_term_loc): No longer static.
3263 (adj_offettable_operand): Delete.
3264 * rtl.h (adj_offsettable_operand): Delete declaration.
3265 (find_constant_term): Add declaration.
3266 * caller-save.c: Replace calls to adj_offsettable_operand with calls
3268 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
3269 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
3270 * config/i386/i386.c, config/i386/i386.md: Likewise.
3271 * config/i860/i860.c, config/i960/i960.c: Likewise.
3272 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
3273 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
3274 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
3275 * config/mips/mips.c, config/mips/mips.md: Likewise.
3276 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
3277 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
3278 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
3279 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
3280 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
3281 * config/ns32k/ns32k.md: Likewise.
3283 2001-07-03 Zack Weinberg <zackw@stanford.edu>
3285 * rtl.c (copy_rtx): Handle 'T' format letter.
3286 * gensupport.c (collect_insn_data): Likewise.
3287 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
3289 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
3291 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
3292 -B option. Use 'dir' not 'foo' as example directory name.
3294 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3296 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
3297 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
3299 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
3301 * doc/cppinternals.texi: Improve formatting and logical markup.
3303 2001-07-03 Andreas Jaeger <aj@suse.de>
3305 * Makefile.in (insn-recog.o): Add dependency on reload.h.
3307 * genrecog.c (write_header): Include reload.h for prototypes in
3310 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
3313 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
3314 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
3315 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
3316 i386_pe_valid_type_attribute_p): Add.
3317 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
3318 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
3320 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3322 * explow.c (plus_constant_wide, case LO_SUM): New case.
3323 (plus_constant_for_output_wide): Delete.
3324 * rtl.h (plus_constant_for_output): Delete.
3325 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
3326 instead of plus_constant_for_output.
3327 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
3328 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
3329 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
3330 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
3331 * config/sparc/sparc.md: Likewise.
3332 Convert some change_address calls to adjust_address.
3334 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
3336 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
3337 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
3338 documentation of -std and -Wwrite-strings.
3340 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
3342 * cse.c (canon_hash): Don't register registers in very small
3343 register classes, as extending their lifetime might cause
3346 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3348 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
3350 * flow.c (forwarder_block_p): Fix for fallthru blocks.
3351 (try_redirect_by_replacing_jump): Update properly the count
3352 and frequency information.
3354 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
3356 * toplev.c (dump_file_index): Move SSA dumps just after first
3358 (dump_file): Corresponding changes.
3359 (rest_of_compilation): Move SSA path to just after the first
3361 * doc/gcc.texi (Passes): Update due to movement of SSA path.
3362 * doc/invoke.texi: Update dump file #s as they were completely
3363 out of date with reality.
3365 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
3367 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
3369 * expr.c (emit_move_insn_1): Deal with non-default
3372 * expr.c (emit_single_push_insn): Fix warning.
3374 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
3376 * expr.c (emit_move_insn_1): Avoid modifying
3377 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
3379 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3381 * emit-rtl.c (adjust_address): New function.
3382 * expr.h (adjust_address): Add declaration.
3383 * builtins.c: Replace some calls to change_address with calls to it
3385 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
3386 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
3387 * config/arm/arm.c, config/convex/convex.c: Likewise.
3388 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
3389 * config/i386/i386.c, config/i386/i386.md: Likewise.
3390 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
3391 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
3392 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
3393 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
3394 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
3396 2001-07-02 Jim Wilson <wilson@redhat.com>
3398 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
3400 2001-07-02 Steve Ellcey <sje@cup.hp.com>
3402 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
3403 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
3405 2001-07-02 Zack Weinberg <zackw@stanford.edu>
3407 * cppinit.c (lang_defaults): New table.
3408 (set_lang): Just read from lang_defaults into the live options
3411 2001-07-02 Zack Weinberg <zackw@stanford.edu>
3413 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
3414 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
3415 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
3417 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3419 * doc/install.texi: Various spelling and markup fixes.
3420 (Installing GCC): Component specific installation instructions are
3423 Warn about removing old install dir in the presence of shared libs.
3424 (Configuration): Invoke with options target to match configure
3426 Consistently refer to gas, gld pathnames.
3427 Invert --enable-multilib documentation.
3428 Remove references to old compiler versions.
3430 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3432 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
3434 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3436 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
3438 (Specific, mips*-sgi-irix5): Note IDO download.
3439 Reworded MIPS C hints.
3440 Use GNU as instead of GAS.
3442 Removed SGI Freeware reference, IRIX 6 only.
3443 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
3444 Note N64 library requirement/workaround.
3446 Complete list of structure passing bug victims.
3448 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3450 * doc/install.texi: Remove CVS Id.
3452 2001-07-02 Andreas Jaeger <aj@suse.de>
3454 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
3455 (find_inherently_necessary): Remove unused variable.
3457 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
3459 * c-common.h (TDI_inlined): New ast dump phase.
3460 (dump_flag_name): New function.
3461 * c-dump.c (dump_files): Add inlined phase.
3462 (dump_flag_name): Define.
3463 * doc/invoke.texi (-fdump-ast-inlined): Document.
3465 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3467 * stor-layout.c (layout_decl): Revert change to handling of alignment
3470 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3472 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
3475 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
3477 * doc/tm.texi (FUNCTION_ARG): Document that the last call
3480 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
3482 * tlink.c (recompile_files): Remove COMPILER_PATH and
3483 LIBRARY_PATH from the environment.
3485 2001-07-01 Zack Weinberg <zackw@stanford.edu>
3487 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
3488 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
3490 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
3492 * c-parse.in (OBJC_STRING): Kill.
3493 (objc_string): Decompose to [objc_string] '@' STRING.
3494 (reswords): Take the leading '@' off all the Objective C keywords.
3495 (objc_rid_sans_at): Kill.
3496 (init_reswords): Don't initialize it.
3497 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
3498 (_yylex): Kill reconsider label. Look ahead one token after
3499 an '@'; if we get an identifier, check whether it's an
3500 Objective C @-keyword. If so, return the keyword. Otherwise,
3501 put back the token and return the '@' as a terminal.
3503 * cpplib.c (lex_macro_node): Remove unnecessary check for
3504 leading '@' on identifier. Clarify control flow and commentary.
3506 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3508 * cse.c (new_label_ref): Variable deleted.
3509 (insert): Remove set of new_label_ref.
3510 (check_for_label_ref): New function.
3511 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
3513 See ChangeLog.5 for earlier changes.