1 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3 * gcc.c (set_collect_gcc_options): New function, split out from
5 Ignore elided switches.
6 (do_spec_1): Invoke before executing command.
9 * gcc.h (set_input): ... here.
10 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
13 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
16 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
18 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
20 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
22 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
23 for the unnamed instructions it expands to.
25 2001-08-02 Richard Henderson <rth@redhat.com>
27 * regclass.c (call_really_used_regs): Conditionally define.
28 (init_reg_sets_1): Don't use it if not defined.
29 (fix_register): Similarly, don't set it.
31 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
33 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
34 Correct comment that had been missed in the previous change.
36 2001-08-01 Stan Shebs <shebs@apple.com>
38 * config/darwin.c (machopic_stub_name): Try matching by name.
39 (update_stubs): New function.
40 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
43 2001-08-01 Richard Henderson <rth@redhat.com>
45 * except.c (output_function_exception_table): Use assemble_align.
46 * varasm.c (assemble_eh_label): Remove.
47 (assemble_eh_align, assemble_eh_integer): Remove.
49 2001-08-01 Robert Lipe <robertl@caldera.com>
51 * dwarfout.c: Remove reference to README.DWARF.
53 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
55 * regclass.c (call_really_used_regs): New array for registers which
56 are actually used by a call.
57 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
59 (fix_register): Set call_really_used too.
60 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
61 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
63 2001-08-01 Richard Henderson <rth@redhat.com>
65 * read-rtl.c (read_name): Consider \r whitespace.
67 2001-07-11 Andrew Cagney <ac131313@redhat.com>
69 * config.gcc: Recognize powerpc-*-netbsd*.
71 * doc/install.texi (Host/target specific installation notes for
72 GCC): Mention powerpc-*-netbsd*.
74 * config/rs6000/netbsd.h: New file.
75 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
76 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
77 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
78 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
79 (TARGET_VERSION): Redefine.
81 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
82 mcall-netbsd as a match for mcall-sysv.
83 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
84 (ncrti.S, ncrtn.S): New targets.
85 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
87 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
89 (ASM_SPEC): Check for -mcall-netbsd.
90 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
91 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
92 (LIB_SPEC, ENDFILE_SPEC): Ditto.
93 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
94 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
95 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
96 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
98 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
99 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
101 2001-08-01 Mark Kettenis <kettenis@gnu.org>
103 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
104 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
105 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
106 including "unwind-pe.h".
108 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
110 * rs6000.md (define_splits): Kill unused constraints.
112 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
113 Jan Hubicka <jh@suse.cz>
115 * function.c (thread_prologue_and_epilogue_insns): Kill code
116 dealing with non-existent CFG.
118 2001-08-01 Kazu Hirata <kazu@hxi.com>
120 * alias.c: Fix comment formatting.
121 * bitmap.c: Likewise.
122 * builtins.c: Likewise.
124 * c-common.c: Likewise.
125 * c-decl.c: Likewise.
126 * c-dump.c: Likewise.
128 * collect2.c: Likewise.
129 * combine.c: Likewise.
130 * conflict.c: Likewise.
131 * cppfiles.c: Likewise.
132 * cppinit.c: Likewise.
133 * cpplex.c: Likewise.
134 * cpplib.c: Likewise.
135 * cppmacro.c: Likewise.
136 * cppspec.c: Likewise.
137 * c-pragma.c: Likewise.
138 * crtstuff.c: Likewise.
140 * cselib.c: Likewise.
141 * c-semantics.c: Likewise.
142 * c-typeck.c: Likewise.
144 2001-08-01 H.J. Lu <hjl@gnu.org>
146 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
148 2001-08-01 H.J. Lu <hjl@gnu.org>
150 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
152 2001-08-01 Ziemowit Laski <zlaski@apple.com>
154 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
155 contextualizing Objective-C class name lookup by the lexer.
156 (typespec_reserved_nonattr): Disable ObjC class name lookup after
158 (protocoldef): Add support for forward @protocol declarations.
159 (yylexname): Suppress ObjC class name lookup in certain contexts;
160 re-enable after lookup is complete.
161 (_yylex): Re-enable ObjC class name lookup when certain
162 punctuation marks are seen.
164 * objc/objc-act.c (check_protocol_recursively): New function used
165 for finding circular dependencies in protocols.
166 (objc_declare_protocols): New function for handling forward
167 @protocol declarations.
168 (receiver_is_class_object): Detect the case when 'self' is used
169 inside of a class method.
170 (build_message_expr): Issue a warning if class method is desired
171 but instance method is found instead.
172 (conforms_to_protocol): Streamline.
173 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
174 protocol Foo, even if 'Bar foo' does not.
175 (check_protocols): Streamline.
176 (start_protocol): Add checks for circular and duplicate protocol
178 (encode_aggregate_within): For typedefs of structs, encode the
180 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
181 (objc_declare_protocols): New prototype.
183 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
185 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
186 * cpplex.c (handle_newline): Update prototype. Maintain logical
188 (skip_escaped_newlines, skip_block_comment, parse_string):
190 (_cpp_lex_token): Update, and store token position within the token.
191 * cpplib.h (struct cpp_token): Add line and column entries.
192 * cppmacro.c (replace_args): Position stringified tokens correctly.
194 2001-08-01 Andreas Jaeger <aj@suse.de>
196 * basic-block.h: Add prototype for last_loop_beg_note.
198 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
200 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
201 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
203 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
204 while handling WITH_CLEANUP_EXPR node. Use second operand calling
206 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
208 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
209 operand while calling simple_cst_equal.
210 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
211 operand is the cleanup expression, the third is the RTL_EXPR.
212 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
214 2001-07-31 Jeff Sturm <jsturm@one-point.com>
216 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
218 2001-07-31 matthew green <mrg@eterna.com.au>
220 * config.gcc (i386-*-netbsdelf): New description.
221 * config/i386/netbsd-elf.h: New file.
223 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
225 * loop.c (check_dbra_loop): Use single_set to compute
228 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
230 PowerPC reorg and support for powerpc64-*-linux*.
232 Also fixes emitting of constants on 32 bit and 64 bit
235 * config.gcc: powerpc64-*-linux* is a new target.
236 Things that needed aix.h now also include xcoff.h
238 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
240 Move AIX specific stuff into aix.h.
241 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
242 with more than just XCOFF now.
243 (SET_ASM_OP): Remove, now defined where needed.
244 (FUNCTION_PROLOGUE): New macro definition.
245 (FUNCTION_EPILOGUE): New macro definition.
246 (CONST_OK_FOR_LETTER_P): Change N to require that value is
248 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
250 * config/rs6000/xcoff.h: New file.
252 * config/rs6000/linux64.h: New file.
254 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
256 2001-07-31 Alan Modra <amodra@bigpond.net.au>
258 * rs6000.c (print_operand_address): Handle ELF syntax.
259 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
260 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
261 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
263 2001-07-31 David Edelsohn <edelsohn@gnu.org>
265 * rs6000.c (rs6000_override_options): Only disable
266 flag_function_sections for XCOFF.
267 (exact_log2_cint_operand): New predicate.
268 (reg_or_{add,sub}_cint64_operand): New predicates.
269 (add_operand): Compare CONST_INT with fewer function calls.
270 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
271 (print_operand, case 'p'): Ensure positive operand.
272 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
273 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
274 (PREDICATE_CODES): Add new predicates.
275 * rs6000.md (addsi3): Split 32-bit constants more correctly.
276 (divsi3, modsi3): Ensure positive power-of-2.
277 (adddi3): Use new predicate. Split 32-bit constants more
278 correctly. Re-arrange splitter to handle any constant.
279 (subdi3): Use new predicate.
280 (divdi3, moddi3): Ensure positive power-of-2.
281 (movdi): Use rs6000_emit_set_const.
282 (load_toc_v4_pic_di): Delete.
284 2001-07-31 Graham Stott <grahams@redhat.com>
286 * function.c (pad_below): Revert 2001-07-26 patch.
288 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
290 * reg-stack (convert_regs_1): Fix best edge condition.
292 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
294 * jump.c (duplicate_loop_exit_test): Better test for jumps
295 entering the loop; create loop pre_header.
297 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
299 * doc/install.texi: Add s390 and s390x as new targets.
300 * doc/invoke.texi: Add documantation of S/390 and zSeries
302 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
304 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
306 * config/m68k/m68k.md: Replace all general_operand with
307 nonimmediate_operand for all destinations.
308 * config/m68k/m68k.c (not_sp_operand): Likewise.
310 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
312 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
314 2001-07-30 Richard Henderson <rth@redhat.com>
316 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
317 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
319 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
321 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
322 Add missing doc strings
323 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
324 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
326 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
328 * i386.c (ix86_output_main_function_alignment_hack): New function.
329 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
331 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
332 edges by EDGE_DFS_BACK flag.
333 (dump_edge_info): Add dfs_back flag.
334 * basic-block.h (EDGE_DFS_BACK): New constant.
335 (mark_dfs_back_edges): Declare.
336 * alias.c (loop_p): Remove.
337 (mark_constant_function): Use mark_dfs_back_edges.
339 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
340 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
341 (compensate_edge): Break out from ...
342 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
343 (convert_regs_2): Set block_done once block is really done;
344 Do updating of the predecesors counts.
346 * toplev.c (rest_of_compilation): Recompute block_for_insn
347 before post-reload cfg_cleanup.
348 * function.c (thread_prologue_epilogue_insns):
349 Call set_block_for_new_insns when emitting prologue directly.
351 2001-07-30 Andreas Jaeger <aj@suse.de>
353 * jump.c: Add prototype for mark_modified_reg.
355 * cse.c (set_live_p): Add unused attribute.
357 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
359 (scan_for_source_files): Use long for count to avoid overflow.
360 (output_data): Likewise.
361 (output_data): Don't use string concatatenation to silence gcc
364 * predict.c: Fix typos and grammar.
366 * gcse.c (insert_insn_end_bb): Remove unused variables.
368 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
370 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
371 (attempt_auto_inc): LIkewise.
372 (mark_used_reg): Likewise.
373 (try_pre_increment_1): Likewise.
374 * regclass.c (regclass): Likewise.
375 * global.c (allocno_compare): Update comment; change scaling factor.
376 * local-alloc.c (QTY_CMP_PRI): Likewise.
377 * regs.h (REG_FREQ_FROM_BB): New.
378 (REG_FREQ_MAX): Likewise.
380 2001-07-30 H.J. Lu <hjl@gnu.org>
382 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
385 2001-07-30 H.J. Lu (hjl@gnu.org)
387 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
388 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
389 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
391 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
393 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
394 as -mthumb-interwork when -mcpu=arm7 is specified.
396 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
398 * predict.def (noreturn, loop branch, loop exit): Mark as first
401 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
403 * combine.c (try_combine): Avoid barrier after noop jumps.
405 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
407 * cpphash.h (struct cpp_reader): Remove import_warning.
408 * cpplib.c (skip_rest_of_line): Don't bother turning off
410 (parse_include): Move include handling to...
411 (do_include_common): ... here. Move import warning from...
412 (do_import): ... here.
413 (do_pragma_poison): Don't do a callback for poison identifiers.
414 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
415 * cppmain.c (setup_callbacks): Similarly.
417 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
419 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
420 handle multiple sets.
421 * except.c (sjlj_mark_call_sites): .... here.
422 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
424 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
426 Suggested by Richard Henderson and Richard Kenner:
427 * combine.c (recog_for_combine): Use the fake recog
428 only if instruction does not match.
429 * rtl.h (NOOP_MOVE_INSN_CODE): New.
430 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
432 * combine.c (try_combine): Discover noop jump as direct jump.
434 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
436 * df.c (df_rd_global_compute): Add successors to worklist, not
438 (df_ru_global_compute): Ditto.
440 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
442 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
443 increment REG_N_SETS.
445 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
447 * sbitmap.h: New prototype for sbitmap_a_xor_b.
449 * sbitmap.c (sbitmap_a_xor_b): New function.
450 ifdef the basic block stuff on IN_GCC.
452 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
454 * cppexp.c (parse_defined): Always record the macro name.
455 (lex): Don't worry about identifiers, or special-case
457 (_cpp_parse_expr): Figure out at the end of the routine
458 whether we saw a valid !defined() expression.
459 * cppfiles.c (stack_include_file): Update for mi_valid.
460 (_cpp_pop_file_buffer): Similarly.
461 * cpplex.c (_cpp_lex_token): Similarly.
462 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
463 mi_if_not_defined, mi_lexed): Remove.
465 * cpplib.c (do_if): Simplify.
466 (do_endif, push_conditional, _cpp_handle_directive): Update
467 for renaming of mi_state to mi_valid.
469 * cpp.texi: Add index entries for digraphs, and add comment
470 that C++ refers to them as alternative tokens.
472 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
474 * basic-block.h (CLEANUP_PRE_LOOP): New.
475 * except.c (finish_eh_generation): Update call of cleanup_cfg.
476 * sibcall.c (optimize_sibling_calls): Likewise.
477 * toplev.c (rest_of_compilation): Likewise.
478 * flow.c (try_forward_edges): Take argument MODE;
479 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
480 (try_optimize_cfg): Update call of try_forward_edges.
482 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
483 Jan Hubicka <jh@suse.cz>
485 * (validate_replace_rtx_1): Fix simplification of MINUS.
487 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
490 * cppinit.c (init_dependency_output): Turn off dump requests
491 if sending dependencies to stdout.
493 2001-07-28 Richard Henderson <rth@redhat.com>
495 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
498 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
500 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
502 2001-07-28 Kazu Hirata <kazu@hxi.com>
504 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
505 is VAR_DECL first to prevent an ICE.
507 2001-07-28 Richard Henderson <rth@redhat.com>
509 * varasm.c (immed_real_const_1): Don't elide special cases for
511 (clear_const_double_mem): Clear const_tiny_rtx too.
513 2001-07-28 Richard Henderson <rth@redhat.com>
515 * dwarf2out.c (dw_val_class_offset): New.
516 (struct dw_ranges_struct, dw_ranges_ref): New.
517 (ranges_table, ranges_table_allocated): New.
518 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
519 (add_AT_offset, add_ranges, output_ranges): New.
520 (print_die, output_die): Handle dw_val_class_offset.
521 (attr_checksum, size_of_die, value_format): Likewise.
522 (gen_lexical_block_die): Handle non-contiguous blocks.
523 (gen_block_die): Likewise.
524 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
525 if needed. Dump the ranges table.
526 * final.c (final_start_function): Remove unnecessary notes and
527 rebuild the block tree before numbering the blocks.
528 * function.c (reorder_blocks_0): Walk the existing block tree
529 to unmark all blocks.
530 (reorder_blocks_1): Create block fragments when duplicate block
532 (reorder_fix_fragments): New.
533 (reorder_blocks): Call it.
534 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
536 2001-07-28 Richard Henderson <rth@redhat.com>
538 * emit-rtl.c (adjust_address): Make a copy of the memory address.
540 2001-07-28 Richard Henderson <rth@redhat.com>
542 * flow.c (add_to_mem_set_list): New function.
543 (init_propagate_block_info): Use it.
544 (mark_set_1): Likewise.
545 (insn_dead_p): Canonicalize memory address for dead store
546 comparison. Allow wider mode stores to kill narrower mode stores.
547 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
548 (invalidate_mems_from_set): Don't handle MEMs.
550 2001-07-28 Kazu Hirata <kazu@hxi.com>
552 * config/h8300/h8300.h: Fix formatting.
554 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
556 * basic-block.h (EDGE_FREQUENCY): New macro.
557 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
559 * flow.c (find_sub_basic_blocks): Likewise.
560 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
561 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
563 * predict.c (DEF_PREDICTOR): New argument FLAGS.
564 (HITRATE): New macro.
565 (PRED_FLAG_FIRST_MATCH): New constant.
566 (predictor_info): New field flgags.
567 (combine_predictions_for_insn): Use DS theory to combine
568 probabilities; set the edge probabilities when finished.
569 (estimate_probability): Avoid duplicated matches
570 of LOOP_BRANCH heuristics for nested loops; update comment.
571 * predict.def: Add flags for each prediction, set probabilities
572 according to B&L paper.
573 * predict.h (DEF_PREDICTOR): New argument FLAGS.
575 * profile.c (compute_branch_probabilities): Cleanup way the edge
576 probabilities are computed and REG_BR_PROB notes are dropped; if
577 values does not match, emit error.
578 (init_branch_prob): Do error instead of warning when profile driven
579 feedback is missing or corrupt.
581 2001-07-27 DJ Delorie <dj@redhat.com>
583 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
584 against a constant, try to adjust the compare to have the desired
585 constant in it so that min/max optimizations happen more often.
587 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
589 * flow.c (last_loop_beg_note): New function.
590 (redirect_edge_and_branch): Use it.
591 (split_edge): Likewise.
593 * alias.c (loop_p): Avoid uninitialized memory access.
595 * flow.c (try_forward_edges): Avoid accessing freed memory.
597 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
600 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
602 * doc/install.texi (Configuration): Properly link the host
603 specific instructions also when generating HTML.
605 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
607 * flow.c (redirect_edge_and_branch_force): Test
608 target->global_live_at_start.
610 2001-07-26 Richard Henderson <rth@redhat.com>
612 * simplify-rtx.c (avoid_constant_pool_reference): Export.
613 * rtl.h (avoid_constant_pool_reference): Declare it.
614 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
615 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
617 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
619 * rtl.h (cleanup_barriers): Declare.
620 * jump.c (cleanup_barriers): New function.
621 * toplev.c (rest_of_compilation): Call cleanup_barriers
622 before loop optimizer and after bb_reorder.
624 * flow.c (back_edge_of_syntactic_loop_p): New.
625 (split_edge): Use it.
627 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
629 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
631 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
633 * cse.c (cse_process_notes): Replace any registers if the address
636 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
638 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
639 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
640 (propagate_block): Update prototype.
641 * flow.c (update_life_info): Simplify the CFG and
642 recalculate the global regs which are alive when
643 removing dead code during a global update.
644 (propagate_block): Return non-zero if an INSN is
647 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
649 * Makefile.in (LIBICONV): Define.
651 2001-07-26 Catherine Moore <clm@redhat.com>
653 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
654 of conditional to avoid tree checking errors.
656 2001-07-26 Kazu Hirata <kazu@hxi.com>
658 * regmove.c (regmove_optimize): Don't replace a reg with
659 another reg of a different mode.
661 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
663 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
664 limit length of dependancy flush list.
665 * params.h (MAX_PENDING_LIST_LENGTH): Define.
666 * sched-int.h (struct deps): Add pending_flush_length field.
667 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
669 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
670 (sched_analyze): After a jump, if the pending memory flush list is too
671 large, flush the pending lists.
672 (init_deps): Initialize pending_flush_length to 0.
673 * doc/invoke.texi (max_pending_list_length): Document parameter.
675 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
677 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
678 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
679 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
681 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
683 * cpphash.h (struct_lexer_state): Delete was_skipping.
684 Move skipping here from struct cpp_reader.
685 * cpplex.c (parse_identifier): Update.
686 (_cpp_lex_token): Don't skip tokens in a directive.
687 * cpplib.c (struct if_stack): Update.
688 (start_directive, end_directive): Don't change skipping state.
689 (_cpp_handle_directive): Update.
690 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
691 (do_else, do_endif): Update; only check for excess tokens if not
692 in a skipped conditional block.
693 (push_conditional): Update for new struct if_stack.
695 2001-07-26 Graham Stott <grahams@redhat.com>
697 * function.c (locate_and_pad_parm): Also pad initial offset
698 so that the total argument size also includes the padding.
700 2001-07-26 Graham Stott <grahams@redhat.com>
702 * gensupport.c (alter_output_for_insn): Correct enable checking failure
703 change XSTR to XTMPL.
705 (process_one_cond_exec): Likewise
707 2001-07-25 Richard Henderson <rth@redhat.com>
709 * varasm.c (assemble_variable): Create DECL_RTL before setting
712 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
714 * predict.c (estimate_probability): Avoid duplicated predictions.
716 * loop.c (find_and_verify_loops): Grok multiple barriers.
718 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
720 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
722 * dbxout.c: Consistently use putc instead of fputc.
723 (print_wide_int): New function; call instead of direct fprintf.
724 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
725 (dbxout_type_fields, dbxout_type_method_1): Likewise.
726 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
727 (print_int_cst_octal): Likewise.
728 (print_octal): Show we wrote characters.
729 (dbxout_type): Set have_used_extensions in more places.
731 2001-07-25 Catherine Moore <clm@redhat.com>
733 * config/v850/v850.c (v850_va_arg): Use addr
734 instead of valist to build incr.
736 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
738 * flow.c (delete_dead_jumptables): New function.
739 (life_analyzis): Call it.
740 * bb-reorder.c (skip_insns_after_block): Handle contradictory
743 2001-07-25 Richard Henderson <rth@redhat.com>
745 * except.c (reachable_handlers): Handle a region being removed
746 out from under a RESX.
748 2001-07-25 Richard Henderson <rth@redhat.com>
750 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
751 swap GE/GT if it is an fp comparison.
753 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
755 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
758 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
760 * ssa.c (rename_insn_1): Do not wrap an assignment to a
761 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
764 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
766 (visit_expression): When attempting to simplify an expression,
767 retrieve any modes for arguments before they are simplified
770 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
771 Janis Johnson <janis@us.ibm.com>
773 * stmt.c (expand_goto): A nonlocal goto can be a call too.
774 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
775 pointer parameters to match documented usage of nonlocal_goto.
776 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
777 parameters to their correct order.
778 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
779 parameters to their correct order.
781 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
783 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
785 2001-07-25 Jan Hubicka <jh@suse.cz>
786 Richard Henderson <rth@redhat.com>
788 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
790 (make_edges): New argument update_p; populate the edge cache if set.
791 (find_basic_blocks): Update make_edges invocation.
793 2001-07-24 Joel Sherrill <joel@OARcorp.com>
795 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
797 2001-07-24 Joel Sherrill <joel@OARcorp.com>
799 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
800 -Acpu and -Amachine.h.
801 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
802 Corrected header to say ELF not a.out.
803 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
804 when given -msoft-float.
806 2001-07-24 Joel Sherrill <joel@OARcorp.com>
808 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
809 extra multilib parts like arm-elf.
810 (i960-*-coff*, i960-*-rtems): Should not use collect2.
811 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
812 crtfini.o as extra multilib parts.
814 2001-07-24 Joel Sherrill <joel@OARcorp.com>
816 * configure.in: Add rtems as a supported thread model.
817 * gthr-rtems.h: Add missing entry point __gthread_active_p.
818 * configure: Rebuilt.
820 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
822 * stor-layout.c (get_mode_alignment): make it work when
823 BITS_PER_UNIT is not a power of two.
824 * builtins.c (get_pointer_alignment): Likewise.
826 2001-07-24 Richard Henderson <rth@redhat.com>
828 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
829 the retrieved constant into the expected mode.
831 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
833 * flow.c (try_simplify_condjump): Avoid duplicated edges.
834 (verify_flow_info): Check for duplicated edges; clarify
837 * flow.c (block_label): Update basic_block_for_insn.
838 (commit_edge_insertions): Call compute_bb_for_insn.
840 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
843 * flow.c (redirect_edge_and_branch,
844 try_optimize_cfg): Use redirect_edge_succ_nodup
845 (redirect_edge_succ_nodup): New.
846 * basic_block.h (redirect_edge_succ_nodup): Declare.
848 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
851 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
853 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
854 (try_crossjump_to_edge): Update commetns.
855 (try_crossjump_bb): Likewise.
857 2001-07-24 Richard Henderson <rth@redhat.com>
859 * combine.c (distribute_notes): Move set of need_refresh
860 for noop_move_p down to catch all cases.
862 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
864 * recog.c (split_all_insns_noflow): New.
865 * rtl.h (split_all_insns_noflow): Declare.
866 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
867 * m68hc11.c (m68hc11_reorg): Likewise.
868 * sh.c (machine_dependent_reorg): Likewise.
869 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
872 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
874 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
875 (ashlsi3_n splitter): Likewise.
876 (lshrsi3_n splitter): Likewise.
878 (GOTaddr2picreg): Make const SImode.
879 (sym_label2reg): Likewise.
880 (symGOT2reg): Likewise.
881 (symGOTOFF2reg) Likewise.
883 (casesi_worker_0): Make unspec SImode.
885 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
887 * config/sh/sh.c (barrier_align): Check that an operand really is
888 an insn before extracting its INSN_CODE.
890 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
892 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
895 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
896 for SImode to prevent overflow.
898 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
900 * config/mips/irix6-libc-compat.c: New file.
901 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
902 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
905 2001-07-24 lars brinkhoff <lars@nocrew.org>
907 * rtl.texi (REG_POINTER): Document.
908 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
909 QFmode, HFmode, TQFmode, QCmode, and HCmode.
911 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
913 * flow.c (delete_noop_moves): Do not confuse libcall regions.
915 2001-07-23 Richard Henderson <rth@redhat.com>
917 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
919 2001-07-23 Kazu Hirata <kazu@hxi.com>
921 * config/h8300/h8300-protos.h: Add a prototype for
922 general_operand_dst_push.
923 * config/h8300/h8300.c (general_operand_dst_push): New.
924 * config/h8300/h8300.h (OK_FOR_T): New.
925 (EXTRA_CONSTRAINT): Use it.
926 * config/h8300/h8300.md (movqi_push): Remove and integrate into
927 the existing movqi pattern.
928 (movhi_push): Likewise.
930 * reload.c: Fix comment typos.
932 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
934 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
936 2001-07-23 H.J. Lu (hjl@gnu.org)
938 * doc/extend.texi: Update __builtin_return_address and
939 __builtin_frame_address.
941 2001-07-23 Richard Henderson <rth@redhat.com>
943 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
945 * config/i386/i386.md: New setcc+movzbl peephole2.
947 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
949 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
950 * objc/objc-act.c: Include debug.h.
951 (synth_module_prologue): Save and restore debug hooks too.
953 2001-07-23 lars brinkhoff <lars@nocrew.org>
955 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
956 and C4X_FLOAT_FORMAT.
957 (BOOL_TYPE_SIZE): Document.
959 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
961 * unroll.c (loop_iterations): Fix miscalculation of initial
964 2001-07-13 Andrew Haley <aph@redhat.com>
966 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
967 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
968 * config/sh/sh.c (sh_can_redirect_branch): New function.
969 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
970 * reorg.c (steal_delay_list_from_target): Use
971 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
973 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
975 * flow.c (try_simplify_condjump): Unlink insn chain on
976 fallthru edge; use can_fallthru.
978 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
980 * basic-block.h (find_sub_basic_block): Declare.
981 * flow.c (make_edges): New arguments MIN and MAX;
982 (find_sub_basic_blocks): Revamp to use make_edges
983 and purge_dead_edges.
984 (find_basic_blocks): Update call of find_sub_basic_block.
986 * recog.c (split_all_insns): Always expect CFG to be consistent;
987 call find_sub_basic_blocks in case something has changed.
988 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
991 * basic-block.h (delete_noop_moves): Declare.
992 * combine.c (combine_instructions): Call it.
993 (recog_for_combine): Tolerate noop moves
994 (distribute_notes): Force refresh when register dies at noop move.
995 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
997 (life_analysis): Update delete_noop_moves call.
998 (set_noop_p): Move too ...
999 * rtlanal.c (noop_move_p): ... here.
1000 * rtl.h (noop_move_p): Declare.
1002 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
1003 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
1005 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
1006 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
1008 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
1010 * reload.c (push_reload): Fix typo in comment.
1011 (find_reloads_address): Ditto.
1012 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
1014 2001-07-22 Richard Henderson <rth@redhat.com>
1016 * flow.c: Grammar check and clarify a lot of comments.
1017 (try_simplify_condjump): Rename variables to be clearer.
1018 (try_forward_edges): Skip complex and fallthru edges.
1019 Rearrange tests to avoid duplicate checks.
1020 (flow_find_cross_jump): Likewise.
1021 (outgoing_edges_match): Allow match if neither branch has
1022 probability data. Loosen probability match to 5%.
1023 (try_crossjump_to_edge): Hoist repeated indirection into
1025 (try_crossjump_bb): Don't check complex edges. Eliminate
1026 redundant crossjump tests.
1027 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
1028 checks before more expensive checks.
1030 2001-07-22 Richard Henderson <rth@redhat.com>
1032 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
1033 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
1036 2001-07-22 Richard Henderson <rth@redhat.com>
1038 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
1039 (const_sint32_operand): Likewise.
1040 * m68k.md (anon mulsi pattern): Use const_int_operand not
1041 const_sint32_operand.
1042 (umulsi3_highpart): Zero extend a constant input.
1043 (smulsi3_highpart): Don't bother checking SImode constant.
1044 (const_umulsi3_highpart): Give op3 DImode.
1045 (const_smulsi3_highpart): Likewise.
1047 2001-07-22 Richard Henderson <rth@redhat.com>
1049 * flow.c (split_block): Make sure bb_note is included in the
1050 new block when splitting before a label.
1052 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
1054 * basic-block.h (redirect_edge_and_branch_force,
1055 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
1056 * flow.c (redirect_edge_and_branch_force,
1057 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
1058 (redirect_edge_and_branch_force): Fix copying of lifeness information.
1059 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
1060 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
1061 instead of label; update CFG after transformation.
1062 (find_if_case_1): Update call, use redirect_edge_and_branch_force
1063 for finishing the transformation; handle even case where ELSE
1064 does not follow THEN.
1065 (find_if_case_2): Update call of dead_or_predictable; simplify
1068 * emit-rtl.c (split_branch_probability): New global variable.
1069 (try_split): Take care to set split_branch_probability and
1070 create REG_BR_PROB note for new jump insns.
1071 * md.texi (define_split): Document new feature.
1073 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
1075 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
1077 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
1078 (asm_out_file): Remove redundant declaration.
1079 (assemble_asm): Remove old #if 0 block.
1080 (assemble_variable): Remove end of function; debug output is
1081 now handled with global_decl. Remove old #if 0 block. Update.
1082 Remove saved_in_section and associated no-op code.
1083 * Makefile.in (varasm.o): Correct dependencies.
1085 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
1087 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
1088 the definition in defaults.h.
1090 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
1092 * jump.c: Update comments.
1093 (delete_barrier_successors, delete_unreferenced_labels,
1094 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
1095 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
1096 jump_optimize, jump_optimize_minimal): Kill.
1097 (rebuild_jump_labels): Move code from jump_optimize_1.
1098 (purge_line_number_notes): Likewise.
1099 (copy_loop_headers): Likewise.
1100 * reg-stack.c: Update comment.
1102 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
1103 JUMP_AFTER_REGSCAN): Kill.
1104 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
1105 purge_line_number_notes and copy_loop_headers.
1107 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
1108 Richard Henderson <rth@redhat.com>
1110 * dbxout.c (dbxout_global_decl): New.
1111 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
1112 * sdbout.c (sdbout_finish): New.
1113 (sdbout_debug_hooks): Use it, add comments.
1114 (sdbout_global_decl): Defer initialised public vars to
1116 * varasm.c (assemble_variable): Don't output debug information
1117 for file-scope variables.
1119 2001-07-22 Richard Henderson <rth@redhat.com>
1121 * config/alpha/alpha.c (get_trap_mode_suffix): New.
1122 (get_round_mode_suffix): New.
1123 (print_operand): Use them for [/]. Remove support for [&'`()+].
1124 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
1125 * config/alpha/alpha.md (attr round_suffix): New.
1126 (attr trap_suffix): New.
1127 (all insns): Set them appropriately. Use %/ instead of the
1130 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1132 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
1134 2001-07-22 Richard Henderson <rth@redhat.com>
1136 * regrename.c (regrename_optimize): Compute nregs for each
1137 potential target register.
1139 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
1140 Richard Henderson <rth@redhat.com>
1142 * dbxout.c (dbxout_global_decl): New.
1143 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
1144 * sdbout.c (sdbout_finish): New.
1145 (sdbout_debug_hooks): Use it, add comments.
1146 (sdbout_global_decl): Defer initialised public vars to
1148 * varasm.c (assemble_variable): Don't output debug information
1149 for file-scope variables.
1151 2001-07-21 H.J. Lu (hjl@gnu.org)
1153 * config/mips/mips.c (mips_cpu): Moved into ...
1154 (override_options): Here.
1156 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
1158 (mips_cpu): Removed.
1160 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1162 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
1163 ("iorqi3"): Likewise.
1164 ("xorqi3"): Likewise.
1165 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
1166 ("*subhi3_sp): Likewise.
1167 ("*subhi3"): Likewise.
1168 ("extendhisi2"): Accept D, X and Y as source operand to avoid
1171 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
1173 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
1174 * config/freebsd.h: Likewise.
1175 * config/linux.h: Likewise.
1176 * config/openbsd.h: Likewise.
1177 * config/alpha/linux-elf.h: Likewise.
1178 * config/arm/linux-elf.h: Likewise.
1179 * config/d30v/d30v.h: Likewise.
1180 * config/fr30/fr30.h: Likewise.
1181 * config/ia64/aix.h: Likewise.
1182 * config/ia64/ia64.h: Likewise.
1183 * config/mips/linux.h: Likewise.
1184 * config/pj/pj.h: Likewise.
1185 * config/rs6000/linux.h: Likewise.
1186 * config/sparc/linux.h: Likewise.
1187 * config/sparc/linux64.h: Likewise.
1189 2001-07-20 Bruce Korb <bkorb@gnu.org>
1191 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
1192 because getc() and char* may disagree on signedness.
1194 2001-07-20 Richard Henderson <rth@redhat.com>
1196 * doc/rtl.texi (REG_DEAD): Update for current semantics.
1198 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
1199 insns to delete in the presence of cc0 in a jump insn.
1201 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
1202 Jan Hubicka <jh@suse.cz>
1204 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
1205 of doing the change by hand.
1207 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
1209 * rtlanal.c (set_noop_p): Return true for noop jumps.
1211 * expr.c (emit_single_push_insn): Add call to push expander.
1212 * expr.h (optab_index): Add OTI_push
1213 (push_optab): New constant.
1214 * genopinit.c (optabs): Add push_optab.
1215 * optabs.c (init_optab): Init push optab.
1216 * md.texi (push??1): Document
1218 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1220 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
1221 expand to emit the pattern; put a REG_INC note for push/pop
1223 ("movdf", "movdf_internal"): Likewise.
1224 ("movsi", "movsi_internal"): Likewise.
1225 ("movsf", "movsf_internal"): Likewise.
1226 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
1228 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1230 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
1233 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
1235 * params.def: Change default max inline insns to 100.
1237 2001-07-20 Diego Novillo <dnovillo@redhat.com>
1239 * combine.c (combine_simplify_rtx): Generate a new shift operation
1240 when simplifying the first operand of a (neg (ashift)) expression.
1242 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1244 * regclass.c (N_REG_INTS): Use only 32 bits per element.
1246 2001-07-20 Kelley Cook <kelley.cook@home.com>
1248 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
1249 information. Move rest into ...
1250 (*-*-solaris): ... here. Eliminate redundant information and
1251 reword necessary packages section. Delete 4.x assembler bug info.
1252 (sparc-sun-*): Merge into ...
1253 (sparc-sun-sunos*): here.
1255 2001-07-20 Catherine Moore <clm@redhat.com>
1257 * config/v850/v850.md (casesi): Generate LABEL_REF
1260 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
1262 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
1263 * i386.c (ix86_zero_extend_to_Pmode): Make global.
1264 * i386.md (strclrsi expander): Use it.
1266 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1268 * integrate.c (copy_insn_list): handle
1269 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
1270 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
1271 identically as to CODE_LABEL.
1273 * fold-const (fold): Convert A/B/C to A/(B*C) and
1276 * except.c (connect_post_landing_pads): Delete the RESX insns.
1278 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
1280 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
1282 * config/mips/mips.md (nmadd/nmsub): Use macro.
1284 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
1286 * cppinit.c (remove_dup_dir): Make static.
1287 (remove_dup_dirs): Make static. Only warn about preempting a
1288 system directory with a non-system directory.
1290 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
1292 * ifcvt.c (noce_try_store_flag_constants): Correct order
1293 of parameters to trunc_int_for_mode.
1295 2001-07-19 Mark Mitchell <mark@codesourcery.com>
1297 * reorg.c (fill_simple_delay_slots): If an instruction might throw
1298 an exception that will be caught within this function, do not fill
1299 its delay slot with any subsequent instruction.
1301 2001-07-19 Steve Ellcey <sje@cup.hp.com>
1303 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
1304 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
1305 pointer extension instruction.
1306 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
1307 * simplify-rtx.c (simplify_unary_operation) Likewise.
1308 * explow.c (convert_memory_address) Check value of
1309 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
1311 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
1312 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
1313 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
1314 Add Multilib Support.
1315 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
1316 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
1317 Add Multilib Support.
1318 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
1320 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
1321 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
1322 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
1324 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
1326 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
1327 old and new operands in `<', `3' and `b'.
1329 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
1331 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
1332 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
1333 (toplev.o): Don't depend on xcoffout.h.
1334 * c-decl.c: Include debug.h
1335 (duplicate_decls): Use debug hook.
1336 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
1337 (dbx_debug_hooks, xcoff_debug_hooks): Update.
1338 (dbxout_types): Remove.
1339 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
1340 * debug.c (do_nothing_debug_hooks): Update.
1341 (debug_true_tree, debug_nothing_rtx): New.
1342 * debug.h (struct rtx_def): New.
1343 (struct gcc_debug_hooks): New hooks ignore_block,
1344 outlining_inline_function and label.
1345 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
1346 dwarf2out_frame_finish): New.
1347 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
1348 Make static, update prototype.
1349 (dwarf2_debug_hooks): Update.
1350 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
1351 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
1352 * dwarfout.c (dwarf_debug_hooks): Update.
1353 * emit-rtl.c: Include debug.h.
1354 (remove_unnecessary_notes): Use debug hook.
1355 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
1356 (final_scan_insn): Use debug hook.
1357 * integrate.c (output_inline_function): Use debug hook.
1358 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
1359 (sdb_debug_hooks): Update.
1360 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
1361 * toplev.c: Don't include xcoffout.h.
1362 (note_outlining_of_inline_function, debug_ignore_block): Remove.
1363 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
1365 * tree.h (dwarf2out_do_frame): Remove.
1367 2001-07-19 Catherine Moore <clm@cygnus.com>
1369 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
1371 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
1373 * reload1.c (eliminate_regs_in_insn): When updating a set
1374 to the frame pointer to the hardware frame pointer, perform
1375 the update always not just when REPLACE is set.
1377 * reload1.c (choose_reload_regs): Don't inherit a reload
1378 that crosses multiple registers if registers past the first
1379 don't fit in the desired class.
1381 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
1382 when negating constants.
1384 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
1386 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
1387 * doc/tree.texi: Ditto.
1389 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
1390 Jakub Jelinek <jakub@redhat.com>
1392 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
1393 (extract_cie_info): Handle "eh" augmentation properly,
1395 (struct frame_state, __frame_state_for): New.
1397 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1399 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
1400 HANDLE_SYSV_PRAGMA): Define.
1401 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
1403 (copy_object): Caller changed.
1405 2001-07-19 Andreas Schwab <schwab@suse.de>
1407 * configure.in (assembler dwarf2 debug_line support): Define nop
1409 * configure: Regenerated.
1411 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
1413 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
1415 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
1416 to conditionally compiled block.
1417 (dbx_debug_hooks, xcoff_debug_hooks): Update.
1418 * dbxout.h (dbxout_function): Remove.
1419 * debug.c (do_nothing_debug_hooks): Update.
1420 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
1421 global_decl, deferred_inline_function.
1422 * dwarf2out.c (dwarf2_debug_hooks): Update.
1423 (dwarf2out_global_decl): New.
1424 * dwarfout.c: Don't include dwarfout.h.
1425 (dwarfout_global_decl, dwarfout_function_decl,
1426 dwarfout_deferred_inline_function): New.
1427 (dwarf_debug_hooks): Update.
1428 * dwarfout.h: Remove.
1429 * final.c: Don't include dwarfout.h.
1430 * sdbout.c (sdbout_global_decl): New.
1431 (sdbout_debug_hooks): Update.
1432 * toplev.c: Don't include dwarfout.h.
1433 (check_global_declarations, rest_of_compilation): Use new debug hooks.
1434 (note_deferral_of_defined_inline_function): Remove.
1435 * toplev.h (note_deferral_of_defined_inline_function): Remove.
1436 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
1437 * ch/lex.c: Don't include dwarfout.h.
1438 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
1439 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
1440 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
1441 * cp/optimize.c: Include debug.h.
1442 (maybe_clone_body): Use debug hook.
1443 * cp/semantics.c: Include debug.h.
1444 (expand_body): Use debug hook.
1445 * po/POTFILES.in: Remove dwarfout.h.
1447 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
1449 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
1450 * c-parse.in (yyerror, _yylex): Similarly.
1451 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
1452 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
1454 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
1455 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
1457 2001-07-18 Jeff Sturm <jsturm@one-point.com>
1459 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
1460 in-class declaration at -g1. Fixes c++/2814.
1462 2001-07-18 Richard Henderson <rth@redhat.com>
1464 * doc/md.texi (reload_in/out): Document restrictions in predicates
1465 and constraints for these patterns. Document empty string matching
1468 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1470 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
1472 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1474 * cse.c: Undo my previous patch.
1476 2001-07-18 Tom Tromey <tromey@redhat.com>
1479 * configure: Rebuilt.
1480 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
1482 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
1484 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
1485 Jan Hubicka <jh@suse.cz>
1487 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
1488 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
1489 * jump.c (mark_jump_label): Do not forward branches.
1491 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
1493 * cse.c (delete_trivially_dead_insns): Delete the libcall block
1494 when return value is unused.
1496 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1498 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
1500 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
1502 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
1503 on error. We can't blindly return the result of
1504 pthread_mutex_trylock because it returns a positive number on
1505 error, while we must return -1 on error.
1506 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
1508 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
1510 2001-07-18 Andreas Jaeger <aj@suse.de>
1512 * integrate.c (output_inline_function): Correct type of debug_hooks.
1514 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
1516 * combine.c (combine_simplify_rtx): DIV can be treated
1517 associatively for floats if unsafe math optimisations are enabled.
1519 2001-07-17 Richard Henderson <rth@redhat.com>
1521 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
1523 2001-07-17 Richard Henderson <rth@redhat.com>
1525 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
1526 don't force the function address into a register.
1527 (expand_call, emit_library_call_value_1): Update callers.
1528 * builtins.c (expand_builtin_apply): Likewise.
1529 * expr.h (prepare_call_address): Update decl.
1531 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
1533 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
1535 * config/i386/chorus.h: Move up.
1536 * config/sparc/chorus.h: Likewise.
1537 * config/rs6000/chorus.h: Likewise.
1538 * config/chorus.h: Moved here.
1540 2001-07-17 Andreas Schwab <schwab@suse.de>
1542 * configure.in (assembler eh_frame optimization): Handle big
1544 * configure: Regenerated.
1546 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
1548 * expr.c (epxand_expr): Convert divisions into multiplications by
1549 reciprocals if -ffast-math.
1551 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
1553 * dbxout.c (dbxout_really_begin_function): Rename to
1554 dbxout_begin_function.
1555 (dbx_debug_hooks, xcoff_debug_hooks): Update.
1556 (dbxout_begin_function): Remove.
1557 (dbxout_function): Update.
1558 (dbxout_source_line): Update prototype.
1559 * dbxout.h (dbxout_begin_function): Remove.
1560 * debug.c (do_nothing_debug_hooks): Update.
1561 (debug_nothing_tree): Update.
1562 (debug_nothing_charstar_rtx): Remove.
1563 * debug.h (union tree_node): Declare.
1564 (struct rtx_def): Remove.
1565 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
1566 begin_function. Change source_line prototype.
1567 (debug_nothing_tree): New.
1568 (debug_nothing_charstar_rtx): Delete.
1569 (dwarf2out_begin_prologue): Moved from ...
1571 * dwarf2out.c (dwarf2_debug_hooks): Update.
1572 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
1573 debug info, call dwarf2out_source_line.
1574 (dwarf2out_souce_line): Update prototype.
1575 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
1576 Change prototype, make static.
1577 (dwarfout_source_line): Update prototype.
1578 (dwarf_debug_hooks): Update.
1579 * dwarfout.h (dwarfout_begin_function): Remove.
1580 * final.c (final_start_function, final_scan_insn): Use appropriate
1581 debug hooks, update to use notice_source_line.
1582 (output_source_line): Rename notice_source_line. Don't call the
1583 source_line debug hook.
1584 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
1585 make static, update prototype.
1586 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
1588 (sdbout_end_prologue): New.
1589 (sdbout_source_line): Update prototype.
1590 (sdbout_debug_hooks): Update.
1591 (sdbout_symbol): Remove unused var.
1592 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
1594 * varasm.c: Include debug.h.
1595 (assemble_start_function): Use begin_function debug_hook.
1596 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
1597 update with prototype.
1598 (xcoffout_source_line): Update prototype.
1599 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
1601 (xcoffout_source_line): Update prototype.
1603 2001-07-17 Richard Henderson <rth@redhat.com>
1605 * c-typeck.c (build_binary_op): Do not shorten unsigned
1606 right shift after sign extension.
1608 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
1610 * combine.c (combine_simplify_rtx): Attempt to simplify
1611 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
1613 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
1614 (simplify_binary_operation, simplify_unary_operation,
1615 simplify_relational_operation): Use it.
1617 * combine.c (combine_simplify_rtx): Don't do associative law
1618 on divisions; allow associative law on floats.
1620 2001-07-17 H.J. Lu <hjl@gnu.org>
1621 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1623 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
1624 ASM_OUTPUT_WEAK_ALIAS are defined.
1625 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
1626 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
1628 * config/mips/iris5.h: ... here.
1629 (HANDLE_SYSV_PRAGMA): Defined as 1.
1630 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
1631 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
1634 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
1636 * c-parse.in (all_prefix_attributes): New variable.
1637 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
1638 (maybe_resetattrs): New production.
1639 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
1640 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
1641 notype_initdcl, nested_function, notype_nested_function,
1642 component_decl, components, components_notype,
1643 component_declarator, component_notype_declarator,
1644 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
1645 ivars, mydecl, myparm): Update. Avoid prefix attributes just
1646 after a comma being applied to more than one declarator.
1647 * doc/extend.texi (Attribute Syntax): Update. Remove
1648 documentation of bugs that are no longer present.
1650 2001-07-13 Eric Christopher <echristo@redhat.com>
1652 * config/mips/mips.h: Change TUNE_MIPS* options to use
1654 (EXTRA_SPECS): Add cc1_cpu_spec.
1655 * config/mips/mips.md (muldf3): Fix typo.
1657 2001-07-16 Richard Henderson <rth@redhat.com>
1659 * config/m68k/m68k.c: Include expr.h and reload.h.
1660 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
1661 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
1663 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
1664 Richard Henderson <rth@redhat.com>
1666 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
1667 (insn_live_p): Fix fall off end of function.
1668 (dead_libcall_p): Remove COUNTS argument; update callers.
1669 (delete_trivially_dead_insns): Remove unused variables.
1671 2001-07-17 Andreas Jaeger <aj@suse.de>
1673 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
1676 * lcm.c (optimize_mode_switching): Avoid warning for unused
1677 variable if !NORMAL_MODE.
1679 * flow.c (try_crossjump_to_edge): Remove unused variable.
1681 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
1683 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
1684 atexit declaration in stdlib.h.
1686 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
1688 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
1690 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1692 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
1693 * except.c (finish_eh_generation): Update call of cleanup_cfg;
1694 do rebuild_jump_labels instead of jump_optimize
1695 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
1696 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
1697 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
1699 * flow.c: Include timevar.h
1700 (find_basic_block): Push/pop timevar;
1701 (cleanup_cfg): Likewise.
1702 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
1703 * Makefile: Add dependencies on timevar.h
1705 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
1706 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
1708 * rtl.h (delete_trivially_dead_insns): Add new parameter.
1709 * toplev.c (rest_of_compilation): Update calls.
1710 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
1711 (delete_trivially_dead_insns): ... here; accept new argument
1712 preserve_basic_blocks; preserve basic blocks if set.
1714 * reg-stack.c (stack_regs_mentioned): Return 0 if
1715 stack_regs_mentioned_data is not initialized.
1716 (reg_to_stack): Make stack_regs_mentioned survive after the
1717 reg-stack is completted; do not call cleanup_cfg.
1718 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
1719 make cleanup_cfg after bb-reorder to output to debug file.
1721 2001-07-16 Richard Henderson <rth@redhat.com>
1723 * regclass.c (init_reg_sets): Use only 32 bits per initializer
1724 from int_reg_class_contents.
1726 2001-07-16 Richard Henderson <rth@redhat.com>
1728 * hard-reg-set.h (regs_invalidated_by_call): Declare.
1729 * regclass.c (regs_invalidated_by_call): Move from cse.c.
1730 (init_reg_sets_1): Move initialization from cse_main.
1731 * cse.c (regs_invalidated_by_call): Move to regclass.c.
1732 (cse_main): Move its initialization also.
1733 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
1734 * flow.c (propagate_one_insn): Likewise.
1735 * gcse.c (compute_hash_table): Likewise.
1736 (compute_kill_rd, compute_store_table): Likewise.
1737 * sched-deps.c (sched_analyze_1): Likewise.
1739 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
1741 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
1744 2001-07-16 Steve Ellcey <sje@cup.hp.com>
1746 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
1747 in if statement so we don't access undefined memory.
1749 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
1751 * gcse.c: Update comment at top.
1752 Update comment on mem handling.
1753 mem_last_set, mem_first_set, mem_set_in_block: gone.
1754 Declaration of reg_set_info: gone.
1755 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
1756 pointless with load_killed_in_block_p (they are *more*
1757 conservative then it, not less, and less accurate).
1758 (oprs_not_set_p): Ditto.
1759 (alloc_gcse_mem): Don't allocate mem_set_in_block
1760 (free_gcse_mem): Don't free it, either.
1761 (record_last_mem_set_info): Update comment in front, remove
1762 mem_*set_* stuff. Note the reason we don't handle stores directly
1764 (compute_hash_table): Update comments to reflect reality. Remove
1765 mem_*set_* references.
1766 (reset_opr_set_tables): Remove mem_*set_* references.
1768 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
1769 (mark_clobber): Ditto (on both parts, we double set here too).
1770 (expr_killed_p): Remove mem_set_in_block test.
1771 (compute_transp): Remove mem_set_in_block test.
1773 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
1774 of edge, and removal of phi alternative to dump file.
1775 (ssa_ccp_substitute_constants): Add note about register now being
1776 constant, and which uses were replaced in what insns to dump file.
1778 2001-07-16 Andreas Jaeger <aj@suse.de>
1780 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
1781 variables of type HOST_WIDEST_INT.
1783 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
1784 (__bb_exit_func): Correct type of count_max to avoid overflow.
1785 (num_digits): Handle long long argument.
1787 * combine.c (gen_lowpart_for_combine): Remove unused variable.
1789 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1791 * output.h (sdb_begin_function_line): Restore as an extern
1793 * sdbout.c (sdb_begin_function_line): Make extern.
1795 2001-07-15 Richard Henderson <rth@redhat.com>
1797 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
1798 * genrecog.c (maybe_both_true_mode): New.
1799 (maybe_both_true_2): Use it.
1800 (write_switch): Don't put Pmode in a switch.
1801 * rtl.c (mode arrays): Don't explicitly size them.
1803 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1805 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
1806 handling; move unconditional splitting before mode switching.
1808 * i386.md (type): Add fistp type.
1809 (i387, length_attr, scheduling definitions): Handle this type.
1810 (fix_trunc?f?i2): Revamp to use mode switching.
1811 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
1812 * i386.h (fp_cw_mode): New enum
1813 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
1814 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
1816 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1818 * Makefile.in (integrate.o): Add debug.h.
1819 * integrate.c (debug.h): Add.
1820 (output_inline_function): Save, reset, and restore debug_hooks.
1822 2001-07-15 Richard Henderson <rth@redhat.com>
1824 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
1825 instead of COMPARE for the EQUIV expression.
1827 2001-07-15 Richard Henderson <rth@redhat.com>
1829 * flow.c (redirect_edge_and_branch_force): Initialize
1830 global_live_at_start and global_live_at_end.
1831 (allocate_bb_life_data): Export.
1832 * basic-block.h (allocate_bb_life_data): Declare.
1833 * toplev.c (rest_of_compilation): Call it.
1835 2001-07-15 Richard Henderson <rth@redhat.com>
1837 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
1838 (alpha_tablejump_best_label): New.
1839 * config/alpha/alpha-protos.h: Declare them.
1840 * config/alpha/alpha.md: Use braced strings for code blocks.
1841 (tablejump_osf): Break out add with r29.
1842 (tablejump_osf_internal): Remove.
1843 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
1844 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
1846 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
1848 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
1851 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
1853 * i386-protos.h (ix86_split_fp_branch): Update prototype.
1854 (ix86_fp_jump_nontrivial_p): New.
1855 * i386.md (fp_jcc_?): Update call of split_fp_branch;
1856 use ix86_fp_jump_nontrivial_p.
1857 * i386.c (ix86_fp_jump_nontrivial_p): New.
1858 (ix86_split_fp_branch): Accept code instead of rtx.
1859 (ix86_expand_compare): Expand comparison early in case
1860 doing so is resonably cheap.
1862 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
1864 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
1866 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
1867 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
1869 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
1871 * dbxout.c (dbxout_source_line): Make static, update prototype.
1872 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
1873 (dbxout_init, dbxout_finish, dbxout_source_line,
1874 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
1875 * dbxout.h (dbxout_source_line): Delete.
1876 * debug.c (debug_nothing_file, debug_nothing_file_int,
1877 debug_nothing_file_charstar_rtx): New.
1878 (do_nothing_debug_hooks): Update.
1879 (debug_nothing_void, debug_nothing_charstar_rtx,
1880 dwarf2out_end_epilogue): New.
1881 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
1882 * debug.h (struct rtx_def): Declare.
1883 (gcc_debug_hooks): New hooks source_line, end_epilogue
1885 (debug_nothing_void, debug_nothing_charstar_rtx,
1886 dwarf2out_end_epilogue): New.
1887 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
1888 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
1889 (dwarf2_debug_hooks): Update.
1890 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
1891 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
1892 * dwarf2out.h (dwarf2out_source_line): Remove.
1893 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
1894 Make static, update prototype.
1895 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
1896 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
1897 (dwarf_debug_hooks): Update.
1898 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
1899 dwarfout_end_function): Remove.
1900 * final.c (profile_function): Use debug hooks for ending functions
1902 (output_source_line, final_end_function): Update prototype,
1904 (final_start_function, final_scan_insn): Update.
1905 * output.h (sdb_begin_function_line): Remove.
1906 (final_end_function): Update prototype.
1907 * sdbout.c (sdb_begin_function_line): Make static.
1908 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
1909 (sdbout_source_line): New.
1910 (sdbout_end_epilogue, sdbout_end_function): Make static, update
1912 (sdb_debug_hooks): Update.
1913 (sdbout_init, sdbout_source_line,
1914 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
1915 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
1916 * toplev.c (compile_file, rest_of_compilation): Update.
1917 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
1918 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
1919 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
1920 Update for prototype changes.
1921 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
1922 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
1924 2001-07-15 Richard Henderson <rth@redhat.com>
1926 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
1927 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
1928 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
1929 * config/alpha/alpha.c: Likewise.
1930 * config/alpha/alpha.md: Likewise.
1931 * config/alpha/alpha32.h: Likewise.
1932 * config/alpha/vms.h: Likewise.
1935 2001-07-14 Richard Henderson <rth@redhat.com>
1937 * config/alpha/alpha.md: Use define_constants for unspec values.
1938 Substitute throughout.
1940 2001-07-14 Tim Josling <tej@melbpc.org.au>
1942 * tree.def (EXPON_EXPR) remove. Never supported anyway.
1944 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
1946 * pa.md: Remove unused constraints from define_split's.
1948 2001-04-14 Richard Henderson <rth@redhat.com>
1950 * ifcvt.c (find_cond_trap): Test for exit block.
1952 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
1954 Re-install recently reverted patch.
1955 * emit-rtl.c (try_split): Update mark_jump_label call.
1956 * flow.c (find_sub_basic_blocks): Likewise.
1957 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
1959 (mark_all_labels): Kill second parameter.
1960 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
1961 (rebuild_jump_labels, jump_optimize_minimal): Update call
1963 (jump_optimize_1): Kill crossjumping code.
1964 (mark_jump_label): Kill cross_jump parameter.
1965 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
1966 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
1967 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
1969 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
1971 (dump_file_info): Likewise.
1972 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
1973 reorganize passes to do reg-stack first, bb-reorder second.
1974 * invoke.texi (-d letters doc): Remove the jump2 pass.
1976 2001-07-14 Richard Henderson <rth@redhat.com>
1978 * ifcvt.c (find_cond_trap): New.
1979 (find_if_header): Call it.
1980 (merge_if_block): Relax existing jump sanity check.
1981 * jump.c (jump_optimize_1): Remove conditional trap handling.
1983 2001-07-14 Alan Modra <amodra@bigpond.net.au>
1985 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
1987 (insn_refs_are_delayed): Correct comment.
1988 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
1989 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
1990 instead of r31. Make associated insn !TARGET_64BIT, and
1991 provide an additional 64-bit insn that clobbers r2.
1993 (udivsi3): Likewise.
1995 (umodsi3): Likewise.
1997 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
1999 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
2001 * flow.c (redirect_edge_and_branch_force, split_edge,
2002 try_crossjump_to_edge): Use set_block_for_new_insns.
2003 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
2005 2001-07-13 H.J. Lu (hjl@gnu.org)
2007 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
2010 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
2012 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
2014 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
2016 * c-common.c (decl_attributes): Take a pointer to the node to
2017 which attributes are to be attached, and a flags argument.
2018 * c-common.h (enum attribute_flags): New.
2019 (decl_attributes): Update prototype.
2020 * c-decl.c (start_decl, push_parm_decl, finish_struct,
2021 finish_enum, start_function): Update calls to decl_attributes.
2022 * c-parse.in (component_declarator, component_notype_declarator,
2023 label): Update calls to decl_attributes.
2025 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
2027 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
2028 * config/avr/avr.c (legitimate_address_p): Return value changed
2029 from letter to register classes. For better debugging.
2031 2001-07-13 Kazu Hirata <kazu@hxi.com>
2033 * jump.c (reversed_comparison_code_parts): Fix comment typos.
2035 2001-07-13 H.J. Lu (hjl@gnu.org)
2037 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
2039 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
2041 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
2042 correctly for shared configurations.
2043 * config/t-libgcc-pic: New.
2044 * config/{i386,m68k,sparc}/t-openbsd: New.
2045 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
2046 Support -shared. Support debugging libraries with -g.
2047 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
2048 frame information does not emit pointer diffs.
2049 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
2052 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
2054 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
2056 2001-07-13 David Edelsohn <edelsohn@gnu.org>
2058 * combine.c (try_combine): Ensure const_int pow2 is positive.
2060 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
2062 * config.gcc: Add configuration for s/390.
2063 * config/s390/s390.c: New. Subroutines for code generation.
2064 * config/s390/s390.h: New. Definitions for s/390.
2065 * config/s390/s390-protos.h: New. Prototypes.
2066 * config/s390/linux.h: New. Definitions for linux for s/390.
2067 * config/s390/linux64.h: New. Definitions for linux for zSeries.
2068 * config/s390/t-linux: New. Makefile fragment.
2069 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
2070 * config/s390/fixdfdi.h: New. Fix L_fix*di.
2072 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
2074 * emit-rtl.c (try_split): Update mark_jump_label call.
2075 * flow.c (find_sub_basic_blocks): Likewise.
2076 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
2078 (mark_all_labels): Kill second parameter.
2079 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
2080 (rebuild_jump_labels, jump_optimize_minimal): Update call
2082 (jump_optimize_1): Kill crossjumping code.
2083 (mark_jump_label): Kill cross_jump parameter.
2084 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
2085 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
2086 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
2088 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
2090 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
2091 reorganize passes to do reg-stack first, bb-reorder second.
2092 * invoke.texi (-d letters doc): Remove the jump2 pass.
2094 2001-07-12 Steve Ellcey <sje@cup.hp.com>
2096 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
2098 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2100 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
2102 (verify_flow_info): Make diagnostics prettier.
2104 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
2106 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
2108 * flow.c (outgoing_edges_match): Return early if condition reversal
2111 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
2113 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
2114 (mips_move_2words): When splitting a move into two instructions,
2115 prefix the second address operand with '%D'.
2117 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
2119 * Makefile.in (final.o): Depend on debug.h.
2120 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
2121 (dbx_debug_hooks): Add new hooks.
2122 (xcoff_debug_hooks): New.
2123 * debug.c (debug_nothing_file_int_int): New.
2124 (do_nothing_debug_hooks): Update.
2125 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
2126 (debug_nothing_file_int_int): New.
2127 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
2128 static, update prototype.
2129 (dwarf2_debug_hooks): Update.
2130 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
2131 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
2132 static, update prototype.
2133 (dwarf_debug_hooks): Update.
2134 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
2135 * final.c: Include debug.h.
2136 (final_scan_insn): Use debug hooks when beginning and ending blocks.
2137 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
2138 static, update prototype.
2139 (sdb_debug_hooks): Update.
2140 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
2141 * toplev.c: Distinguish between xcoff and dbx.
2143 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
2144 Call all debug hooks, not just dwarf ones.
2146 2001-07-11 Timothy Wall <twall@redhat.com>
2148 * config.gcc: Add configuration for AIX5/IA64.
2149 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
2150 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
2151 support prefix/suffix code.
2152 * config/ia64/t-aix: New. Makefile fragment.
2153 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
2155 2001-07-11 Kazu Hirata <kazu@hxi.com>
2157 * recog.c (validate_change): Fix a comment typo.
2159 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
2161 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
2162 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
2164 * dbxout.c (dbx_debug_hooks): Add new hooks.
2165 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
2167 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
2169 * dbxout.h (dbxout_start_new_source_file,
2170 dbxout_resume_previous_source_file): Delete.
2171 * debug.c (do_nothing_debug_hooks): Add new hooks.
2172 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
2173 (debug_nothing_int_charstar, debug_nothing_int): New.
2174 * debug.h (gcc_debug_hooks): New hooks define, undef,
2175 start_source_file and end_source_file.
2176 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
2177 (debug_nothing_int_charstar, debug_nothing_int): New.
2178 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
2179 the conditionally compiled section.
2180 (dwarf2out_start_source_file, dwarf2out_end_source_file,
2181 dwarf2out_define, dwarf2out_undef): Make static.
2182 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
2183 dwarf2out_define, dwarf2out_undef): Remove.
2184 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
2185 (dwarfout_start_source_file, dwarfout_end_source_file,
2186 dwarfout_define, dwarfout_undef): Make static.
2187 (dwarfout_start_source_file_check,
2188 dwarfout_end_source_file_check): New.
2189 (dwarfout_define, dwarfout_finish): Update.
2190 * dwarfout.h (dwarfout_start_new_source_file,
2191 dwarfout_resume_previous_source_file, dwarfout_define,
2192 dwarfout_undef): Remove.
2193 * sdbout.c (sdb_debug_hooks): Add new hooks.
2194 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
2196 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
2197 make static, take an arg.
2198 * sdbout.h (sdbout_start_new_source_file,
2199 sdbout_resume_previous_source_file): Delete.
2200 * toplev.c (debug_start_source_file, debug_end_source_file,
2201 debug_define, debug_undef): Delete.
2202 * toplev.h (debug_start_source_file, debug_end_source_file,
2203 debug_define, debug_undef): Delete.
2205 * java/jcf-parse.c: Include debug.h.
2206 (parse_class_file): Update to use debug hooks directly.
2207 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
2209 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2211 * alias.c (set_mem_alias_set): New function.
2212 * rtl.h (set_mem_alias_set): Declare it.
2213 * builtins.c (expand_builtin_return_addr): Call it instead of
2214 using MEM_ALIAS_SET accessor.
2215 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
2216 (get_memory_rtx, expand_builtin_va_arg): Likewise.
2217 (expand_builtin_va_copy):Likewise.
2218 * caller-save.c (setup_save_areas): Likewise.
2219 * calls.c (compute_argument_addresses): Likewise.
2220 * explow.c (set_mem_attributes): Likewise.
2221 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
2222 (expand_assignment, store_constructor_field, store_field): Likewise.
2223 (expand_expr_unaligned): Likewise.
2224 * function.c (assign_stack_temp_for_type): Likewise.
2225 (put_reg_into_stack, gen_mem_addressof): Likewise.
2226 * ifcvt.c (noce_try_cmove_arith): Likewise.
2227 * reload1.c (reload, alter_reg): Likewise.
2228 * config/alpha/alpha.c (get_aligned_mem): Likewise.
2229 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
2230 (alpha_expand_unaligned_store): Likewise
2231 (alpha_expand_unaligned_load_words): Likewise.
2232 (alpha_expand_unaligned_store_words): Likewise.
2233 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
2234 (alpha_expand_epilogue): Likewise.
2235 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
2236 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
2237 * config/i386/i386.c (legitimize_pic_address): Likewise.
2238 * config/i960/i960.c (setup_incoming_varargs): Likewise.
2239 * config/ia64/ia64.c (spill_restore_mem): Likewise.
2240 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
2241 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
2242 * config/mips/mips.c (mips_va_arg): Likewise.
2243 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
2244 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
2245 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
2246 (setup_incoming_varargs, rs6000_va_arg): Likewise.
2247 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
2248 (rs6000_emit_epilogue): Likewise.
2249 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
2250 * config/sparc/sparc.c (sparc_va_arg): Likewise.
2251 * config/v850/v850.c (v850_va_arg): Likewise.
2253 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
2255 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
2256 when fallthru edge is present.
2257 (mege_blocks): Handle case where creation of jump insn
2260 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
2261 CLEANUP_POST_REGSTACK): New constants.
2262 * except.c (finish_eh_generation): Update call of cleanup_cfg,
2263 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
2264 * output.h (cleanup_cfg): Update prototype.
2265 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
2266 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
2267 cleanup_cfg call; kill missleading comment.
2268 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
2269 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
2270 parameter; control optimizations performed using it.
2271 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
2272 try_crossjump_bb): New functions.
2274 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
2276 * pa.c (pa_output_function_prologue): Delete prototype. Make function
2278 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
2279 pa_output_function_prologue.
2280 * pa-protos.h (pa_output_function_prologue): New prototype.
2282 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
2284 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
2285 and low to get correct sign extension in low+high test.
2287 2001-07-11 Janis Johnson <janis@us.ibm.com>
2289 * gcov.c (arcdata): Use gcov_type to fix branch percentage
2290 for large hit count.
2292 * profile.c (branch_prob): Fix .bbg info for computed gotos
2295 2001-07-11 Mark Mitchell <mark@codesourcery.com>
2297 * stmt.c (parse_output_constraint): New function, split out
2299 (expand_asm_operands): ... here. Use parse_output_constraint.
2300 * tree.h (parse_output_constraint): Declare it.
2302 2001-07-11 Richard Henderson <rth@redhat.com>
2304 * bitmap.c: Comment some functions; fiddle whitespace.
2305 (bitmap_free): Don't export.
2306 (bitmap_element_allocate): Use memset.
2307 * bitmap.h (bitmap_free): Don't declare.
2309 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
2311 * gcse.c, lcm.c, sched-deps.c:
2312 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
2314 * flow.c (flow_loops_find): Free dom if we found no loops, since
2315 we aren't going to save it.
2317 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
2320 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
2322 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
2324 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2326 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
2327 #ifndef DWARF2_DEBUGGING_INFO.
2329 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
2331 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
2333 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
2335 * config/mips/mips.c (gen_int_relational): Tell the caller not to
2336 reverse a branch if a NE comparison is implemented with GTU.
2338 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
2339 H.J. Lu <hjl@gnu.org>
2341 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
2343 (call_internal2): Likewise.
2344 (call_value_internal1): Likewise.
2345 (call_value_internal2): Likewise.
2346 (call_value_multiple_internal1): Likewise.
2347 (call_value_multiple_internal2): Likewise.
2349 2001-07-10 Kazu Hirata <kazu@hxi.com>
2351 * calls.c (emit_library_call_value_1): Fix a comment typo.
2352 * dwarf2out.c (mem_loc_descriptor): Likewise.
2353 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
2355 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
2357 * simplify-rtx.c (simplify_subreg): Fix typo in comment
2359 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2361 * recog.c (offsettable_address_p): Handle LO_SUM case.
2362 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
2363 instead of plus_constant.
2365 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2367 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
2368 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
2370 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2372 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
2373 adjust_address_nv instead of plus_constant.
2375 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
2377 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
2378 dwarf2out.o): Depend on debug.h, wrap long lines.
2379 * dbxout.c: Include debug.h.
2380 (dbx_debug_hooks): New.
2381 (dbxout_init): Make static, take just 2 args.
2382 (dbxout_finish): Make static.
2383 * dbxout.h (dbxout_init, dbxout_finish): Delete.
2384 * debug.c: New file.
2385 * debug.h: New file.
2386 * dwarf2out.c: Include debug.h.
2387 (dwarf2_debug_hooks): New.
2388 (dwarf2out_init): Make static.
2389 (dwarf2out_finish): Make static, take 2 args.
2390 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
2391 * dwarfout.c: Include debug.h.
2392 (dwarf_debug_hooks): New.
2393 (dwarfout_init): Make static.
2394 (dwarfout_finish): Make static, take 2 args.
2395 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
2396 * sdbout.c: Include debug.h.
2397 (sdb_debug_hooks): New.
2398 (sdbout_init): Make static, take 2 args.
2399 * sdbout.h (sdbout_init): Delete.
2400 * toplev.c: Include debug.h.
2402 (compile_file): Set deubg_hooks based on command line options.
2403 Use the hooks unconditionally rather than conditional compilation.
2405 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
2407 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
2408 first_insn_after_basic_block_note instead.
2410 * df.c (df_bb_refs_unlink): #if 0 out for now.
2412 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
2414 * ssa.h: Add prototype for ssa_const_prop
2415 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
2416 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
2417 (ssa_fast_dce): Remove unused variable
2419 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
2421 * diagnostic.c (finish_diagnostic): Rename to
2422 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
2425 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
2427 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
2430 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
2431 (dump_file): Only pad the demangled name with spaces if the
2432 mangled name was padded with spaces.
2434 2001-07-10 Bernd Schmidt <bernds@redhat.com>
2436 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
2439 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2441 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
2442 extraction if no direct load if either EXPAND_CONST_ADDRESS or
2445 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
2446 whether can put offset inside LO_SUM to check mode alignment, not size.
2448 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
2450 * doc/tm.texi (Misc): Fix thinko.
2452 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
2454 * regmove.c (replace_in_call_usage): Fix warnings.
2455 * sched-deps.c (add_dependence): Fix warnings.
2456 * simplify-rtx.c (simplify_subreg): Likewise.
2457 Return NULL_RTX instead of NULL.
2459 * reg-stack.c (emit_swap_insn): Eliminate warnings.
2460 (subst_asm_stack_regs): Likewise.
2462 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
2465 * dwarf2out.c (output_call_frame_info): Declare i as int.
2466 (build_abbrev_table): Declare n_alloc as int.
2467 (dwarf2out_finish): Initialize die.
2468 * except.c: Declare sjlj_funcdef_number as unsigned.
2469 (connect_post_landing_pads): Declare j as unsigned.
2470 (convert_to_eh_region_ranges): Initialize call_site.
2471 (output_function_exception_table): Initialize tt_format_size.
2472 * expr.c (move_by_pieces_1): Initialize to1.
2473 (store_constructor): Initialize minelt and maxelt.
2474 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
2475 * function.c (instantiate_decls): Avoid signed/unsigned warning.
2477 * c-decl.c (combine_parm_decls): Unused, remove.
2478 * c-tree.h: Remove prototype for combine_parm_decls.
2480 * reload.c (push_reload): Fix warning.
2481 (regno_clobbered_p): Likewise.
2482 * reload1.c (replace_pseudos_in_call_usage): Likewise.
2483 (reload_combine): Likewise.
2485 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
2486 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
2488 * bitmap.c (bitmap_operation): Change user.
2489 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
2491 2001-07-10 Eric Christopher <echristo@redhat.com>
2493 * config/mips/mips.c (override_options): Fix typo.
2495 2001-07-09 Stan Shebs <shebs@apple.com>
2497 * target.h (struct gcc_target): New fields init_builtins and
2499 * target-def.h (TARGET_INIT_BUILTINS): New macro.
2500 (TARGET_EXPAND_BUILTIN): New macro.
2501 (TARGET_INITIALIZER): Add them.
2502 * builtins.c: Include target.h.
2503 (expand_builtin): Use targetm.expand_builtin.
2504 (default_init_builtins): New function.
2505 (default_expand_builtin): New function.
2506 * expr.h (default_init_builtins): Declare.
2507 (default_expand_builtin): Declare.
2508 * c-common.c (c_common_nodes_and_builtins): Use
2509 targetm.init_builtins.
2510 * defaults.h (MD_INIT_BUILTINS): Remove.
2511 * Makefile.in (builtins.o): Depend on target.h.
2513 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
2514 (TARGET_EXPAND_BUILTIN): Define.
2515 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
2516 (MD_EXPAND_BUILTIN): Remove.
2518 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
2519 (TARGET_EXPAND_BUILTIN): Define.
2520 (c4x_init_builtins): Make endlink arg a local.
2521 (c4x_print_operand): Fix typos in adjust_address usages.
2522 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
2523 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
2524 (MD_EXPAND_BUILTIN): Remove.
2526 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
2527 (TARGET_EXPAND_BUILTIN): Define.
2528 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
2529 (ix86_init_builtins): Call new function only if TARGET_MMX.
2530 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
2531 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
2532 (MD_EXPAND_BUILTIN): Remove.
2534 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
2535 (TARGET_EXPAND_BUILTIN): Define.
2536 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
2537 (MD_EXPAND_BUILTIN): Remove.
2539 * doc/tm.texi: Document these changes.
2541 2001-07-09 Diego Novillo <dnovillo@redhat.com>
2543 * basic-block.h (tree_node): Forward declare if needed.
2544 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
2545 (BLOCK_HEAD_TREE): Define.
2546 (BLOCK_END_TREE): Define.
2547 (struct loops): Rename field 'tree' to 'tree_root'.
2548 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
2550 (flow_loops_tree_build): Rename reference to field 'tree' to
2552 (flow_loops_level_compute): Ditto.
2553 * predict.c (estimate_bb_frequencies): Ditto.
2554 * tree.h (struct tree_common): Add field 'aux'.
2556 2001-07-09 Stan Shebs <shebs@apple.com>
2558 * config/darwin.c (darwin_encode_section_info): Don't mark any
2559 DECL_EXTERNAL node as defined.
2561 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
2563 * pa.c (pa_init_machine_status, pa_mark_machine_status,
2564 pa_free_machine_status, hppa_init_pic_save): Delete.
2565 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
2566 (hppa_profile_hook): Use hppa_pic_save_rtx.
2567 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
2568 hppa_init_pic_save): Delete.
2569 (hppa_pic_save_rtx): Declare.
2570 * pa.md (call, call_value, sibcall, sibcall_value,
2571 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
2573 2001-07-09 Kazu Hirata <kazu@hxi.com>
2575 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
2576 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
2578 2001-07-09 Andreas Jaeger <aj@suse.de>
2580 * output.h: Add declaration of final_forward_branch_p.
2582 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
2584 * varray.c: Include errors.h for internal_error and trim_filename
2587 * Makefile.in (varray.o): Add errors.h.
2589 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
2591 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
2592 * optabs.c (have_add2_insn): Check whether the add insn chosen
2593 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
2594 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
2596 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
2598 * Makefile.in (OBJS): Add ssa-ccp.o
2599 (ssa-ccp.o): Add dependencies.
2600 * toplev.c (DFI_ssa_ccp): New dump file enum.
2601 (dump_file): Add entry for dumping after SSA CCP.
2602 (flag_ssa_ccp): New flag variable.
2603 (f_options): Add -fssa-ccp.
2604 (rest_of_compilation): Run SSA CCP if requested.
2605 * timevar.def (TV_SSA_CCP): New timevar.
2606 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
2607 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
2608 Fix minor typo in SSA DCE documentation.
2609 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
2610 Add documentation for new dump option. Renumber dump files
2613 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2615 * emit-rtl.c (gen_highpart_mode): New.
2616 * rtl.h (gen_highpart_mode): Declare.
2617 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
2618 operand can be VOIDmode constant.
2620 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
2622 * flow.c (redirect_edge_and_branch_force): New.
2623 (can_fallthru): Ensure that basic blocks are succeeding.
2624 (try_optimize_cfg): Do not delete basic block if it is the last one.
2626 * flow.c (try_redirect_by_replacing_jump): Do not remove
2627 jumps with side effects, unlink chain on fallthru edge;
2628 set block for new jump instruction; avoid basic block to
2629 over by line number note.
2631 * flow.c (try_simplify_condjump): Verify that the condjump
2632 is not always falling trought.
2635 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
2637 * flow.c (forwarder_block_p): Fix for fallthru blocks.
2638 (try_redirect_by_replacing_jump): Update properly the count
2639 and frequency information.
2641 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2643 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
2644 address that is a LO_SUM specially.
2645 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
2647 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
2649 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
2650 (operand_subword): Use them.
2651 (change_address_1): Renamed from change_address; new arg VALIDATE.
2652 * expr.h: Reflect above changes; change_address now macro.
2653 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
2655 * cselib.c (add_mem_for_addr): Likewise.
2656 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
2657 * regmove.c (try_apply_stack_adjustment): Likewise.
2658 * reload.c (push_reload, make_memloc): Likewise.
2659 * reload1.c (eliminate_regs): Likewise.
2660 * simplify-rtx.c (simplify_replace_rtx): Likewise.
2661 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
2663 * combine.c (make_extraction, simplify_shift_const): Likewise.
2664 (gen_lowpart_for_combine): Likewise.
2665 * cse.c (gen_lowpart_if_possible): Likewise.
2666 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
2667 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
2668 * optabs.c (gen_move_insn): Likewise.
2669 * reload1.c (alter_reg): Likewise.
2670 * simplify-rtx.c (simplify_subreg): Likewise.
2671 * stmt.c (expand_anon_union_decl): Likewise.
2672 * recog.c (validate_replace_rtx_1): Likewise.
2674 * Makefile.in (recog.o): Add $(EXPR_H).
2675 * explow.c (stabilize): Call replace_equiv_address.
2676 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
2677 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
2679 2001-07-03 Andrew Haley <aph@redhat.com>
2681 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
2682 the mode of the memory location.
2684 2001-07-09 Bo Thorsen <bo@suse.co.uk>
2686 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
2688 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
2690 * final.c (output_addr_const): Use target opening and
2691 closing parentheses.
2692 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
2693 defaults, add to TARGET_ASM_OUT.
2694 * target.h (struct gcc_target): Add open_paren and close_paren.
2695 * doc/md.texi: Update.
2696 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
2697 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
2698 TARGET_ASM_CLOSE_PAREN.
2699 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
2701 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
2703 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
2704 * config/a29k/a29k.h: Similarly.
2705 * config/alpha/alpha.h: Similarly.
2706 * config/arc/arc.h: Similarly.
2707 * config/arm/aof.h: Similarly.
2708 * config/arm/aout.h: Similarly.
2709 * config/avr/avr.h: Similarly.
2710 * config/c4x/c4x.h: Similarly.
2711 * config/clipper/clipper.h: Similarly.
2712 * config/convex/convex.h: Similarly.
2713 * config/d30v/d30v.h: Similarly.
2714 * config/dsp16xx/dsp16xx.h: Similarly.
2715 * config/elxsi/elxsi.h: Similarly.
2716 * config/fr30/fr30.h: Similarly.
2717 * config/h8300/h8300.h: Similarly.
2718 * config/i370/i370.h: Similarly.
2719 * config/i386/i386.h: Similarly.
2720 * config/i860/i860.h: Similarly.
2721 * config/i960/i960.h: Similarly.
2722 * config/ia64/ia64.h: Similarly.
2723 * config/m32r/m32r.h: Similarly.
2724 * config/m68hc11/m68hc11.h: Similarly.
2725 * config/m68k/m68k.h: Similarly.
2726 * config/m88k/m88k.h: Similarly.
2727 * config/mcore/mcore.h: Similarly.
2728 * config/mips/mips.h: Similarly.
2729 * config/mn10200/mn10200.h: Similarly.
2730 * config/mn10300/mn10300.h: Similarly.
2731 * config/ns32k/ns32k.h: Similarly.
2732 * config/pa/pa.h: Similarly.
2733 * config/pdp11/pdp11.h: Similarly.
2734 * config/pj/pj.h: Similarly.
2735 * config/romp/romp.h: Similarly.
2736 * config/rs6000/rs6000.h: Similarly.
2737 * config/sh/sh.h: Similarly.
2738 * config/sparc/sparc.h: Similarly.
2739 * config/v850/v850.h: Similarly.
2740 * config/vax/vax.h: Similarly.
2741 * config/we32k/we32k.h: Similarly.
2743 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
2745 * doc/c-tree.texi: Document representation of attributes.
2747 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
2749 * doc/tm.texi: Update some places for the rename of target to
2752 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
2754 * target.h (struct gcc_target): Add insert_attributes.
2755 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
2756 (TARGET_INITIALIZER): Update.
2757 * tree.c, tree.h (default_insert_attributes): New function.
2758 Update comments on other default functions to refer to targetm,
2760 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
2761 TARGET_INSERT_ATTRIBUTES.
2762 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
2763 * c-common.c (decl_attributes): Use targetm.insert_attributes.
2764 Don't use PRAGMA_INSERT_ATTRIBUTES.
2765 * Makefile.in (c-common.o): Depend on $(TARGET_H).
2766 * c-decl.c (start_decl, start_function): Don't call
2767 SET_DEFAULT_DECL_ATTRIBUTES.
2768 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
2769 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
2771 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
2772 (c4x_check_attribute): Avoid modifying attribute list itself.
2773 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
2775 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
2776 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
2778 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
2779 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
2781 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
2782 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
2784 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
2785 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
2786 Adjust parameters. Make static.
2788 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
2790 * c-common.c (decl_attributes): Only take a single attributes
2792 * c-common.h (decl_attributes): Update prototype.
2793 * c-decl.c (start_decl, start_function): Only take a single
2794 attributes parameter. Update calls to decl_attributes.
2795 (finish_struct, finish_enum): Update calls to decl_attributes.
2796 (push_parm_decl): Expect unified list of attributes. Update call
2798 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
2799 notype_nested_function, component_declarator,
2800 component_notype_declarator, label): Update calls to
2802 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
2803 lists that are passed to push_parm_decl.
2804 * c-tree.h (start_function, start_decl): Update prototypes.
2805 * config/sh/sh-protos.h, config/sh/sh.c
2806 (sh_pragma_insert_attributes): Only take a single attributes
2808 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
2809 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
2810 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
2811 build_module_descriptor, generate_static_references,
2812 generate_strings, build_selector_translation_table,
2813 generate_descriptor_table, generate_protocols,
2814 generate_ivars_list, generate_dispatch_table,
2815 generate_protocol_list, generate_category,
2816 generate_shared_structures, really_start_method, add_objc_decls,
2817 generate_classref_translation_entry): Update calls to start_decl
2819 (build_tmp_function_decl, start_method_def): Unify attribute lists
2820 that are passed to push_parm_decl.
2822 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
2824 * final.c (no_asm_to_stream): New.
2825 (final_scan_insn): Use target structures for prologue ends
2826 and epilogue starts.
2827 * output.h (no_asm_to_stream): New.
2828 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
2829 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
2830 (TARGET_ASM_OUT): Update.
2831 * target.h (struct gcc_target): New members function_end_prologue
2832 and function_begin_epilogue.
2833 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
2834 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
2835 * config/alpha/alpha.c (output_end_prologue): Rename to
2836 alpha_output_function_end_prologue. Use in target struct
2838 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
2839 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
2840 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
2841 ia64_output_function_end_prologue. Use in target struct
2843 (ia64_function_prologue, ia64_funciton_epilogue): Rename
2844 mistyped prototypes.
2845 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
2846 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
2848 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
2849 an use in target struct, make static.
2850 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
2853 2001-07-08 Richard Henderson <rth@redhat.com>
2855 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
2857 2001-07-08 Richard Henderson <rth@redhat.com>
2859 * config/i386/i386.md: Remove constraints strings from define_split
2860 and define_peephole2 patterns.
2861 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
2862 (eh_return): Use them.
2864 2001-07-08 Richard Henderson <rth@redhat.com>
2866 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
2867 Document MD_FALLBACK_FRAME_STATE_FOR.
2869 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2871 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
2872 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
2874 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
2876 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
2878 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
2879 of the label inside NAME as opposed to just the end of NAME.
2881 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
2883 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
2884 * config/alpha/alpha.c (alpha_init_machine_status,
2885 alpha_mark_machine_status, alpha_free_machine_status): Delete.
2886 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
2887 (vms_valid_decl_attribute_p): Make static, conditionally compile.
2888 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
2890 2001-07-06 Stan Shebs <shebs@apple.com>
2892 * target.h (targetm): Rename global from "target", so as not to
2893 conflict with local variables.
2895 * c-typeck.c: Ditto.
2899 * cp/decl2.c: Ditto.
2900 * cp/typeck.c: Ditto.
2901 * 1750a/1750a.c: Ditto.
2902 * a29k/a29k.c: Ditto.
2906 * clipper/clipper.c: Ditto.
2907 * convex/convex.c: Ditto.
2908 * d30v/d30v.c: Ditto.
2909 * dsp16xx/dsp16xx.c: Ditto.
2910 * elxsi/elxsi.c: Ditto.
2911 * fr30/fr30.c: Ditto.
2912 * h8300/h8300.c: Ditto.
2913 * i370/i370.c: Ditto.
2914 * i386/i386.c: Ditto.
2915 * i860/i860.c: Ditto.
2916 * i960/i960.c: Ditto.
2917 * ia64/ia64.c: Ditto.
2918 * m32r/m32r.c: Ditto.
2919 * m68hc11/m68hc11.c: Ditto.
2920 * m68k/m68k.c: Ditto.
2921 * m88k/m88k.c: Ditto.
2922 * mips/mips.c: Ditto.
2923 * ns32k/ns32k.c: Ditto.
2925 * pdp11/pdp11.c: Ditto.
2926 * romp/romp.c: Ditto.
2927 * rs6000/rs6000.c: Ditto.
2929 * sparc/sparc.c: Ditto.
2931 * we32k/we32k.c: Ditto.
2932 * doc/tm.texi: Update the manual to match.
2934 2001-07-06 Richard Henderson <rth@redhat.com>
2936 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
2937 DWARF2_UNWIND_INFO not just whether it is defined.
2939 2001-07-06 Diego Novillo <dnovillo@redhat.com>
2941 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
2942 call to simplify_binary_operation returns a new pattern.
2944 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2946 * glimits.h (__SHRT_MAX__): New.
2947 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
2948 (SHRT_MAX): Define in terms of __SHRT_MAX__.
2950 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
2952 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
2955 2001-07-06 Richard Henderson <rth@redhat.com>
2957 * bitmap.c (bitmap_release_memory): Move adjacent to the
2958 allocation functions.
2959 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
2960 the implementation. Binary search for the set bit.
2961 (bitmap_union_of_diff): Allocate the temporary on the stack
2962 instead of using xmalloc.
2964 2001-07-06 Richard Henderson <rth@redhat.com>
2966 * genrecog.c (validate_pattern): Warn for constraints in
2967 define_{expand,split,peephole2}. Remove strict_low_part
2968 before looking up match_dup.
2970 2001-07-06 DJ Delorie <dj@redhat.com>
2972 * doc/gcc.texi (Makefile): Rename to be a more general purpose
2973 chapter about various build hints and history. Add section
2974 talking about the various types of native and cross builds.
2976 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
2978 * Makefile.in (final.o): Depend on target.h.
2979 * final.c: Include target.h.
2980 (default_function_pro_epilogue): New.
2981 (final_start_function): Use target structure for function prologues.
2982 (final_end_function): Use target structure for function epilogues.
2983 * fold-const.c (real_hex_to_f): Constify s and p.
2984 * output.h (default_function_pro_epilogue): New.
2985 * real.h (real_hex_to_f): Update prototype.
2986 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
2987 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
2988 (TARGET_INITIALIZER): Update.
2989 * target.h (gcc_target): Add struct asm_out.
2990 * doc/tm.texi: Update.
2993 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
2994 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
2995 in cpu/cpu.c, or rename old functions consistently. Take
2996 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
2997 redundant macros and prototypes. Make new functions static.
2999 * 1750a/1750a.c: Similarly.
3000 * 1750a/1750a.h: Similarly.
3001 * a29k/a29k-protos.h: Similarly.
3002 * a29k/a29k.c: Similarly.
3003 * a29k/a29k.h: Similarly.
3004 * arc/arc-protos.h: Similarly.
3005 * arc/arc.c: Similarly.
3006 * arc/arc.h: Similarly.
3007 * arm/arm-protos.h: Similarly.
3008 * arm/arm.c: Similarly.
3009 * arm/arm.h: Similarly.
3010 * avr/avr-protos.h: Similarly.
3011 * avr/avr.c: Similarly.
3012 * avr/avr.h: Similarly.
3013 * clipper/clipper-protos.h: Similarly.
3014 * clipper/clipper.c: Similarly.
3015 * clipper/clipper.h: Similarly.
3016 * convex/convex.c: Similarly.
3017 * convex/convex.h: Similarly.
3018 * d30v/d30v-protos.h: Similarly.
3019 * d30v/d30v.c: Similarly.
3020 * d30v/d30v.h: Similarly.
3021 * d30v/d30v.md: Similarly.
3022 * dsp16xx/dsp16xx-protos.h: Similarly.
3023 * dsp16xx/dsp16xx.c: Similarly.
3024 * dsp16xx/dsp16xx.h: Similarly.
3025 * elxsi/elxsi.c: Similarly.
3026 * elxsi/elxsi.h: Similarly.
3027 * fr30/fr30.c: Similarly.
3028 * fr30/fr30.md: Similarly.
3029 * h8300/h8300-protos.h: Similarly.
3030 * h8300/h8300.c: Similarly.
3031 * h8300/h8300.h: Similarly.
3032 * i370/i370-protos.h: Similarly.
3033 * i370/i370.c: Similarly.
3034 * i370/i370.h: Similarly.
3035 * i386/i386.c: Similarly.
3036 * i386/osf1elf.h: Similarly.
3037 * i386/osfrose.h: Similarly.
3038 * i860/i860-protos.h: Similarly.
3039 * i860/i860.c: Similarly.
3040 * i860/i860.h: Similarly.
3041 * i960/i960-protos.h: Similarly.
3042 * i960/i960.c: Similarly.
3043 * i960/i960.h: Similarly.
3044 * ia64/ia64-protos.h: Similarly.
3045 * ia64/ia64.c: Similarly.
3046 * ia64/ia64.h: Similarly.
3047 * m32r/m32r-protos.h: Similarly.
3048 * m32r/m32r.c: Similarly.
3049 * m32r/m32r.h: Similarly.
3050 * m68hc11/m68hc11-protos.h: Similarly.
3051 * m68hc11/m68hc11.c: Similarly.
3052 * m68hc11/m68hc11.h: Similarly.
3053 * m68k/crds.h: Similarly.
3054 * m68k/dpx2.h: Similarly.
3055 * m68k/m68k-protos.h: Similarly.
3056 * m68k/m68k.c: Similarly.
3057 * m68k/m68k.h: Similarly.
3058 * m68k/news.h: Similarly.
3059 * m88k/m88k-protos.h: Similarly.
3060 * m88k/m88k.c: Similarly.
3061 * m88k/m88k.h: Similarly.
3062 * mips/mips-protos.h: Similarly.
3063 * mips/mips.c: Similarly.
3064 * mips/mips.h: Similarly.
3065 * ns32k/merlin.h: Similarly.
3066 * ns32k/ns32k.c: Similarly.
3067 * ns32k/ns32k.h: Similarly.
3068 * ns32k/tek6000.h: Similarly.
3069 * pa/pa-protos.h: Similarly.
3070 * pa/pa.c: Similarly.
3071 * pa/pa.h: Similarly.
3072 * pdp11/2bsd.h: Similarly.
3073 * pdp11/pdp11-protos.h: Similarly.
3074 * pdp11/pdp11.c: Similarly.
3075 * pdp11/pdp11.h: Similarly.
3076 * romp/romp-protos.h: Similarly.
3077 * romp/romp.c: Similarly.
3078 * romp/romp.h: Similarly.
3079 * rs6000/rs6000-protos.h: Similarly.
3080 * rs6000/rs6000.c: Similarly.
3081 * rs6000/rs6000.h: Similarly.
3082 * rs6000/sysv4.h: Similarly.
3083 * sh/sh-protos.h: Similarly.
3084 * sh/sh.c: Similarly.
3085 * sh/sh.h: Similarly.
3086 * sparc/sparc-protos.h: Similarly.
3087 * sparc/sparc.c: Similarly.
3088 * sparc/sparc.h: Similarly.
3089 * vax/vax.c: Similarly.
3090 * vax/vax.h: Similarly.
3091 * vax/vms.h: Similarly.
3092 * we32k/we32k.c: Similarly.
3093 * we32k/we32k.h: Similarly.
3095 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
3097 * basic-block.h (first_insn_after_basic_block_note): Declare.
3098 * flow.c (first_insn_after_basic_block_note): Define. Moved
3100 * ssa.c (first_insn_after_basic_block_note): Remove.
3101 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
3103 (ssa_eliminate_dead_code): Properly update the CFG and PHI
3104 nodes when we find a dead conditional branch. Insert BARRIERs
3105 after any blocks with no successors, but which do not have
3108 2001-07-06 Zack Weinberg <zackw@stanford.edu>
3110 * varray.c (varray_check_failed): Use internal_error.
3112 2001-07-05 Andrew Haley <aph@redhat.com>
3114 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
3115 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
3116 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
3118 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
3120 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
3121 reference if the target constant is also a SYMBOL_REF.
3123 2001-07-05 Eric Christopher <echristo@redhat.com>
3125 * config/mips/mips.h (MASK_MIPS3900): Remove.
3126 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
3127 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
3128 (TARGET_MIPS3900): Change to use mips_arch.
3129 (TARGET_MIPS4000): New.
3130 (TARGET_MIPS4100): New.
3131 (TARGET_MIPS4300): New.
3132 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
3133 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
3135 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
3136 (ISA_HAS_BRANCHLIKELY): To here.
3137 (CC1_CPU_SPEC): New.
3138 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
3139 (mips_arch_string): Declare.
3140 (mips_arch): Declare.
3141 (TARGET_OPTIONS): Add -march and -mtune.
3143 * config/mips/mips.c (mips_arch_string): New.
3145 (override_options): Handle -march for codegen and -mtune
3146 for scheduling. Use mips_arch. Move tx39 target default here.
3147 (mips_parse_cpu): Move error message to override_options.
3149 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
3151 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
3153 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
3154 (MIPS Options): Ditto. Change mcpu entry to historical text.
3156 2001-07-05 H.J. Lu (hjl@gnu.org)
3158 * config/mips/mips.c (mips_parse_cpu): New function to parse
3161 2001-07-05 Jim Wilson <wilson@redhat.com>
3163 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
3164 * config/ia64/t-ia64: Likewise.
3165 (LIB1ASMFUNCS): Update comment.
3167 2001-07-05 David Edelsohn <edelsohn@gnu.org>
3169 * doc/install.texi (Install GCC: Binaries): Fix typo.
3171 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3173 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
3174 reference using the stack pointer, adjust it since we push Y
3176 ("*ashrsi3"): Likewise.
3177 ("*lshrsi3"): Likewise.
3179 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3181 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
3182 when -fomit-frame-pointer is used.
3184 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
3186 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
3187 (try_redirect_by_replacing_jump): Reverse updating properly the
3188 count and frequency information. Reverse removing cc0 setter.
3189 (forwarder_block_p): Reverse fixing for fallthru blocks.
3191 2001-07-05 DJ Delorie <dj@redhat.com>
3193 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
3194 (translate_options): If the above is defined, use it to map
3195 given options to new options.
3196 * doc/tm.texi: Document it.
3198 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
3199 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3201 * doc/invoke.texi (Optimize Options): Document that -fgcse may
3202 cause programs using computed gotos to run more slowly.
3204 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3206 * doc/install.texi (Specific): Markup, spelling and typo fixes.
3208 Consistently require binutils 2.11.2, not prereleases.
3209 (Specific, decstation-*): Canonicalize as mips-dec-*.
3210 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
3212 (Specific, m68k-altos): Removed reference to README.altos, deleted.
3213 (Specific, mips-*): Reword MIPS C compiler requirements.
3214 (Specific, powerpc*-*-*): New, mention --with-cpu once.
3215 (Specific, sunv5): Removed, obsolete.
3217 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
3219 * dwarf2out.c (output_loc_list): Use an all ones mask for
3220 .text asm output and don't rely on long long
3221 literals. Reformat some long lines.
3223 2001-07-05 Andreas Jaeger <aj@suse.de>
3225 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
3228 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
3230 * dwarf2out.c (dwarf2out_define): Update comment.
3231 (dwarf2out_undef): Ditto.
3232 (dwarf2out_start_source_file): Ditto.
3233 (dwarf2out_end_source_file): Ditto.
3234 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
3235 since we never call the start/end debug hook for the primary file.
3237 2001-07-04 Kazu Hirata <kazu@hxi.com>
3239 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
3242 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
3244 * cppinit.c (remove_dup_dirs): Inform if a system include
3245 directory is being reordered.
3246 * doc/invoke.texi (Directory Options): GCC warns if you hide a
3248 * doc/cpp.texi (Search Paths): Likewise.
3249 * doc/gcc.texi (Interoperation): Remove information about
3252 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
3254 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
3255 (VARRAY_TOP_CHAR_PTR): Likewise.
3257 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3259 * gcc.c (process_command): Don't assign elements of a const char*.
3261 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3263 * emit-rtl.c (change_address): Don't abort if invalid address while
3264 reload is in progress.
3266 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
3268 * c-lex.c (cb_file_change): Pass line number to
3269 debug_start_source_file.
3270 (cb_undefine): Pass correct line number to debug_undef.
3272 * toplev.c (debug_start_source_file): Add line number to
3273 parameters. Pass it along to dwarf2out_start_source_file.
3274 (decode_g_option): Stop resetting debug level back to normal when
3275 we change debug formats, unless the current level is
3276 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
3279 * toplev.h (debug_start_source_file): Add line number to
3282 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
3285 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
3287 Output debug_macinfo data for starting file if requested.
3288 (dwarf2out_end_source_file): Output debug_macinfo data for ending
3290 (dwarf2out_define): Output debug_macinfo data for defining a macro
3292 (dwarf2out_undef): Output debug_macinfo data for undefining a
3294 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
3295 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
3296 (macinfo_section_label): New. DWARF2 macro info section label.
3297 (dwarf2out_init): If we want macro info, output the start label
3299 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
3300 attribute to the compilation unit die pointing to the macro info.
3302 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
3304 * dwarf2out.c (new_loc_list): Move to inside #ifdef
3305 DWARF2_DEBUGGING_INFO.
3306 (add_loc_descr_to_loc_list): Ditto.
3307 (output_loc_list): Ditto.
3308 Also, fix thinko in curr not being initialized.
3309 (gen_internal_sym): Ditto.
3311 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3313 * emit-rtl.c (replace_equiv_address): New function.
3314 * expr.h (replace_equiv_address): New declaration.
3315 * explow.c (validize_mem): Call it instead of change_address and
3316 also call if -fforce-addr and address is constant.
3317 * expr.c: Replace more calls to change_address with adjust_address
3318 and/or replace_equiv_address or to validize_mem.
3319 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
3320 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
3321 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
3322 * config/i370/i370.md, config/i860/i860.md: Likewise.
3323 * config/i960/i960.md, config/mips/mips.c: Likewise.
3324 * config/mips/mips.md, config/pa/pa.md: Likewise.
3325 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
3326 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
3328 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3330 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
3332 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
3335 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
3337 * doc/include: New directory.
3338 * doc/fdl.texi: Move to doc/include/fdl.texi.
3339 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
3340 * doc/include/funding.texi, doc/include/gpl.texi: New files.
3341 * doc/gcc.texi: Use funding.texi and gpl.texi.
3342 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
3343 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
3344 Update dependencies and use -I $(docdir)/include.
3346 2001-07-04 Anthony Green <green@redhat.com>
3348 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
3350 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3352 * doc/install.texi (sparc64-*-*): Remove garbage.
3354 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
3356 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
3357 Fix typo in last change to use adjust_address.
3359 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3361 * doc/install.texi (Specific): Update information for *-*-solaris*.
3363 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3365 * explow.c (plus_constant_wide): Reinitialize Y for restart.
3367 2001-07-03 Stan Shebs <shebs@apple.com>
3369 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
3370 case for flag_no_mach_text_sections.
3371 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
3372 * config/darwin.c (flag_no_mach_text_sections): Remove.
3373 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
3375 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3377 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
3378 and avoid checking for constant as first operand.
3379 * recog.c (find_constant_term_loc): No longer static.
3380 (adj_offettable_operand): Delete.
3381 * rtl.h (adj_offsettable_operand): Delete declaration.
3382 (find_constant_term): Add declaration.
3383 * caller-save.c: Replace calls to adj_offsettable_operand with calls
3385 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
3386 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
3387 * config/i386/i386.c, config/i386/i386.md: Likewise.
3388 * config/i860/i860.c, config/i960/i960.c: Likewise.
3389 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
3390 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
3391 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
3392 * config/mips/mips.c, config/mips/mips.md: Likewise.
3393 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
3394 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
3395 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
3396 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
3397 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
3398 * config/ns32k/ns32k.md: Likewise.
3400 2001-07-03 Zack Weinberg <zackw@stanford.edu>
3402 * rtl.c (copy_rtx): Handle 'T' format letter.
3403 * gensupport.c (collect_insn_data): Likewise.
3404 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
3406 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
3408 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
3409 -B option. Use 'dir' not 'foo' as example directory name.
3411 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3413 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
3414 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
3416 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
3418 * doc/cppinternals.texi: Improve formatting and logical markup.
3420 2001-07-03 Andreas Jaeger <aj@suse.de>
3422 * Makefile.in (insn-recog.o): Add dependency on reload.h.
3424 * genrecog.c (write_header): Include reload.h for prototypes in
3427 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
3430 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
3431 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
3432 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
3433 i386_pe_valid_type_attribute_p): Add.
3434 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
3435 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
3437 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3439 * explow.c (plus_constant_wide, case LO_SUM): New case.
3440 (plus_constant_for_output_wide): Delete.
3441 * rtl.h (plus_constant_for_output): Delete.
3442 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
3443 instead of plus_constant_for_output.
3444 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
3445 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
3446 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
3447 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
3448 * config/sparc/sparc.md: Likewise.
3449 Convert some change_address calls to adjust_address.
3451 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
3453 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
3454 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
3455 documentation of -std and -Wwrite-strings.
3457 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
3459 * cse.c (canon_hash): Don't register registers in very small
3460 register classes, as extending their lifetime might cause
3463 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3465 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
3467 * flow.c (forwarder_block_p): Fix for fallthru blocks.
3468 (try_redirect_by_replacing_jump): Update properly the count
3469 and frequency information.
3471 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
3473 * toplev.c (dump_file_index): Move SSA dumps just after first
3475 (dump_file): Corresponding changes.
3476 (rest_of_compilation): Move SSA path to just after the first
3478 * doc/gcc.texi (Passes): Update due to movement of SSA path.
3479 * doc/invoke.texi: Update dump file #s as they were completely
3480 out of date with reality.
3482 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
3484 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
3486 * expr.c (emit_move_insn_1): Deal with non-default
3489 * expr.c (emit_single_push_insn): Fix warning.
3491 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
3493 * expr.c (emit_move_insn_1): Avoid modifying
3494 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
3496 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3498 * emit-rtl.c (adjust_address): New function.
3499 * expr.h (adjust_address): Add declaration.
3500 * builtins.c: Replace some calls to change_address with calls to it
3502 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
3503 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
3504 * config/arm/arm.c, config/convex/convex.c: Likewise.
3505 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
3506 * config/i386/i386.c, config/i386/i386.md: Likewise.
3507 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
3508 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
3509 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
3510 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
3511 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
3513 2001-07-02 Jim Wilson <wilson@redhat.com>
3515 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
3517 2001-07-02 Steve Ellcey <sje@cup.hp.com>
3519 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
3520 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
3522 2001-07-02 Zack Weinberg <zackw@stanford.edu>
3524 * cppinit.c (lang_defaults): New table.
3525 (set_lang): Just read from lang_defaults into the live options
3528 2001-07-02 Zack Weinberg <zackw@stanford.edu>
3530 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
3531 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
3532 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
3534 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3536 * doc/install.texi: Various spelling and markup fixes.
3537 (Installing GCC): Component specific installation instructions are
3540 Warn about removing old install dir in the presence of shared libs.
3541 (Configuration): Invoke with options target to match configure
3543 Consistently refer to gas, gld pathnames.
3544 Invert --enable-multilib documentation.
3545 Remove references to old compiler versions.
3547 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3549 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
3551 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3553 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
3555 (Specific, mips*-sgi-irix5): Note IDO download.
3556 Reworded MIPS C hints.
3557 Use GNU as instead of GAS.
3559 Removed SGI Freeware reference, IRIX 6 only.
3560 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
3561 Note N64 library requirement/workaround.
3563 Complete list of structure passing bug victims.
3565 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3567 * doc/install.texi: Remove CVS Id.
3569 2001-07-02 Andreas Jaeger <aj@suse.de>
3571 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
3572 (find_inherently_necessary): Remove unused variable.
3574 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
3576 * c-common.h (TDI_inlined): New ast dump phase.
3577 (dump_flag_name): New function.
3578 * c-dump.c (dump_files): Add inlined phase.
3579 (dump_flag_name): Define.
3580 * doc/invoke.texi (-fdump-ast-inlined): Document.
3582 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3584 * stor-layout.c (layout_decl): Revert change to handling of alignment
3587 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3589 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
3592 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
3594 * doc/tm.texi (FUNCTION_ARG): Document that the last call
3597 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
3599 * tlink.c (recompile_files): Remove COMPILER_PATH and
3600 LIBRARY_PATH from the environment.
3602 2001-07-01 Zack Weinberg <zackw@stanford.edu>
3604 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
3605 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
3607 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
3609 * c-parse.in (OBJC_STRING): Kill.
3610 (objc_string): Decompose to [objc_string] '@' STRING.
3611 (reswords): Take the leading '@' off all the Objective C keywords.
3612 (objc_rid_sans_at): Kill.
3613 (init_reswords): Don't initialize it.
3614 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
3615 (_yylex): Kill reconsider label. Look ahead one token after
3616 an '@'; if we get an identifier, check whether it's an
3617 Objective C @-keyword. If so, return the keyword. Otherwise,
3618 put back the token and return the '@' as a terminal.
3620 * cpplib.c (lex_macro_node): Remove unnecessary check for
3621 leading '@' on identifier. Clarify control flow and commentary.
3623 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3625 * cse.c (new_label_ref): Variable deleted.
3626 (insert): Remove set of new_label_ref.
3627 (check_for_label_ref): New function.
3628 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
3630 See ChangeLog.5 for earlier changes.
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