1 2006-12-13 Mark Shinwell <shinwell@codesourcery.com>
3 * config/arm/arm.c (arm_output_fldmx): Output FLDMD instead of
4 FLDMX. Rename function to...
5 (vfp_output_fldmd): ...this.
6 (vfp_output_fstmx): Output FSTMD instead of FSTMX. Rename
8 (vfp_output_fstmd): ...this.
9 (vfp_emit_fstmx): Don't leave space in the frame layout for the
10 FSTMX format word. Rename function to...
11 (vfp_emit_fstmd): ...this.
12 (arm_get_vfp_saved_size): Don't add in space for the FSTMX format
14 (arm_output_epilogue): Adjust comment to reflect use of FSTMD.
15 (arm_unwind_emit_sequence): Don't compensate for the FSTMX format
16 word. Also emit "vsave" assembler directives in such cases rather
18 * config/arm/libunwind.S (gnu_Unwind_Restore_VFP,
19 gnu_Unwind_Save_VFP): Adjust comments.
20 (gnu_Unwind_Restore_VFP_D, gnu_Unwind_Save_VFP_D): New functions
21 for saving and restoring using FSTMD and FLDMD rather than
23 (gnu_Unwind_Restore_VFP_D_16_to_31, gnu_Unwind_Restore_VFP_D_16_to_31):
24 New functions for saving and restoring the VFPv3 registers 16 .. 31.
25 * config/arm/pr-support.c (gnu_unwind_execute): Add conditional
26 compilation case to correctly handle unwind opcode 0xc8 when using
28 * config/arm/unwind-arm.c (struct vfpv3_regs): New.
29 (DEMAND_SAVE_VFP_D, DEMAND_SAVE_VFP_V3): New flags.
30 (__gnu_Unwind_Save_VFP_D, __gnu_Unwind_Restore_VFP_D,
31 __gnu_Unwind_Save_VFP_D_16_to_31, __gnu_Unwind_Restore_VFP_D_16_to_31):
33 (restore_non_core_regs): Restore registers using FLDMD rather than
34 FLDMX if required. Also handle restoration of VFPv3 registers.
35 (_Unwind_VRS_Pop): Handle saving and restoring of registers using
36 FSTMD and FLDMD if required; also handle VFPv3 registers 16 .. 31,
37 including cases where the caller specifies a range of registers
38 that overlaps the d15/d16 boundary.
40 2006-12-13 Diego Novillo <dnovillo@redhat.com>
43 * tree-ssa-operands.h (SSA_OPERAND_MEMORY_SIZE): Add space to
44 accomodate 511 operands.
46 2006-12-13 Richard Guenther <rguenther@suse.de>
48 * builtins.c (expand_builtin_cexpi): Fix typo.
50 2006-12-13 Jan Hubicka <jh@suse.cz>
52 * Makefile.in: Add dependencies.
53 * tree-pretty-print.c: Include value-prof.h
54 (dump_generic_bb_buff): Dump histograms
55 * value-prof.c: Include pointer-set.h
56 (gimple_alloc_histogram_value, histogram_hash, histogram_eq,
57 set_histogram_value, gimple_histogram_value,
58 gimple_add_histogram_value, gimple_remove_histogram_value,
59 gimple_histogram_value_of_type, dump_histogram_value,
60 dump_histograms_for_stmt, gimple_remove_stmt_histograms,
61 gimple_duplicate_stmt_histograms, visit_hist,
62 verify_histograms): New functions.
63 (tree_value_profile_transformations): Update for new histogram API.
64 (tree_divmod_fixed_value): Update for new histogram API.
65 (tree_divmod_fixed_value_transform): Update for new histogram API.
66 (tree_mod_pow2): Update for new histogram API.
67 (tree_mod_pow2_value_transform): Update for new histogram API.
68 (tree_mod_subtract): Update for new histogram API.
69 (tree_mod_subtract_transform): Update for new histogram API.
70 (tree_stringops_transform): Update for new histogram API.
71 (tree_divmod_values_to_profile): Update for new histogram API.
72 (tree_stringops_values_to_profile): Update for new histogram API.
73 (tree_find_values_to_profile): Update for new histogram API.
74 * value-prof.h (gimple_histogram_value): Declare.
75 (gimple_histogram_value_of_type): Declare.
76 (gimple_add_histogram_value): Declare.
77 (gimple_remove_histogram_value): Declare.
78 (dump_histograms_for_stmt): Declare.
79 (gimple_remove_histogram_value): Declare.
80 (gimple_remove_stmt_histograms): Declare.
81 (gimple_duplicate_stmt_histograms): Declare.
82 (verify_histograms): Declare.
84 (struct funrction): Add value_histograms hash.
85 (VALUE_HISTOGRAMS): New macro.
86 * profile.c (compute_value_histograms): update for new API.
87 * tree-inline.c: Include value-prof.h
88 (copy_bb): Update histograms.
89 * tree-flow.h (struct stmt_ann_d): Do not contain pointer to histograms;
90 reorder to get smaller memory layout.
91 * tree-cfg.c: Include value-prof.h
92 (bsi_remove): Update histograms.
93 (bsi_replace): Update histograms.
94 (verify_stmts): Call histogram verifier.
95 (tree_duplicate_bb): Update histograms.
96 (move_block_to_fn): Update histograms.
98 2006-12-13 Richard Guenther <rguenther@suse.de>
100 * ipa-inline.c (cgraph_flatten_node): Replace leafify with
102 (cgraph_decide_inlining): Likewise.
104 2006-12-13 Richard Guenther <rguenther@suse.de>
106 PR tree-optimization/17687
107 * builtins.def (BUILT_IN_CEXPI, BUILT_IN_CEXPIF, BUILT_IN_CEXPIL):
108 New builtins for imaginary argument cexp.
109 * builtin-types.def (BT_FN_COMPLEX_FLOAT_FLOAT,
110 BT_FN_COMPLEX_DOUBLE_DOUBLE, BT_FN_COMPLEX_LONGDOUBLE_LONGDOUBLE):
111 New required builtin types.
112 * builtins.c (expand_builtin_cexpi): Declare.
113 (mathfn_built_in): Handle BUILT_IN_CEXPI.
114 (expand_builtin_cexpi): New static helper.
115 (expand_builtin): Call it.
116 (do_mpfr_sincos): Adjust for CEXPI evaluation.
117 (fold_builtin_sincos): New function to fold sincos to cepxi.
119 2006-12-13 Richard Guenther <rguenther@suse.de>
121 * ipa-reference.c (scan_for_static_refs): Also scan
122 tcc_comparison class trees.
124 2006-12-12 David Daney <ddaney@avtrex.com>
126 * config/mips/mips.h (ASM_OUTPUT_EXTERNAL): Undefine it before
129 2006-12-12 Andrew Pinski <pinskia@gmail.com>
131 * tree-vect-transform.c (vect_permute_load_chain):
132 Set DECL_GIMPLE_REG_P to true for the vect_perm_*
135 2006-12-13 Sa Liu <saliu@de.ibm.com>
136 Ben Elliston <bje@au.ibm.com>
138 * config/spu/spu.h (C_COMMON_OVERRIDE_OPTIONS): Define.
139 (REGISTER_TARGET_PRAGMAS): Don't zero warn_main flag.
140 * config/spu/spu-protos.h (spu_c_common_override_options):
142 * config/spu/spu-c.c (spu_c_common_override_options): New.
143 * config/spu/spu.c (spu_override_options): Whitespace fix.
145 2006-12-12 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
147 * config/spu/spu.c (cpat_info): Fix an incorrectly identified case.
149 2006-12-12 Geoffrey Keating <geoffk@apple.com>
151 * mips-tdump.c: Replace CROSS_COMPILE with
152 CROSS_DIRECTORY_STRUCTURE.
153 * mips-tfile.c: Likewise.
155 * configure.ac: Likewise.
156 * cppdefault.c: Likewise.
157 * Makefile.in: Likewise.
158 * config/alpha/osf.h: Likewise.
159 * config/i386/cygwin.h: Likewise.
160 * config/i386/beos-elf.h: Likewise.
161 * config/i386/nto.h: Likewise.
162 * config/fr30/fr30.h: Likewise.
163 * config/svr4.h: Likewise.
164 * config/rs6000/aix.h: Likewise.
165 * config/rs6000/sysv4.h: Likewise.
166 * config/pa/pa64-hpux.h: Likewise.
167 * config/pa/pa-hpux10.h: Likewise.
168 * config/pa/pa-hpux11.h: Likewise.
169 * collect2.c: Likewise.
170 * configure: Regenerate.
172 * doc/tm.texi (Alignment Output): Document that ASM_OUTPUT_SKIP
173 actually takes an unsigned HOST_WIDE_INT for its second parameter.
175 2006-12-13 Ulrich Weigand <uweigand@de.ibm.com>
177 * config/spu/spu.c (TARGET_ENCODE_SECTION_INFO): Define.
178 (spu_encode_section_info): New.
179 * config/spu/spu.h (ALIGNED_SYMBOL_REF_P): Adjust.
180 (SYMBOL_FLAG_ALIGN1): New.
182 2006-12-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
185 * tree-ssa-dom.c (eliminate_degenerate_phis): Use a temporary
186 bitmap for EXECUTE_IF_SET_IN_BITMAP.
188 2006-12-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
191 * tree.h (DECL_COMPLEX_GIMPLE_REG_P): Rename to ...
192 (DECL_GIMPLE_REG_P): This.
193 * fold-const.c (fold_indirect_ref_1): Fold *(foo *)&vectorfoo into
195 * omp-low.c (omp_copy_decl_2): Use the renamed DECL_GIMPLE_REG_P.
196 * tree-gimple.c (is_gimple_reg): Use the renamed DECL_GIMPLE_REG_P
197 and check for VECTOR_TYPE.
198 * expr.c (get_inner_reference): Set the mode for BIT_FIELD_REF with
200 * tree-flow-inline.h (var_can_have_subvars): Use the renamed
202 * gimplify.c (internal_get_tmp_var): Use the renamed DECL_GIMPLE_REG_P
203 and check for VECTOR_TYPE.
204 (gimplify_bind_expr): Likewise.
205 (gimplify_function_tree): Likewise.
206 * expmed.c: Include target.h.
207 (extract_bit_field): For vector mode, try find a better mode first.
208 If that fails use gen_lowpart (for vectors only).
209 * tree-dfa.c (make_rename_temp): Use the renamed DECL_GIMPLE_REG_P
210 and check for VECTOR_TYPE.
211 * tree-ssa-pre.c (create_expressions_by_pieces): Likewise.
212 (insert_into_preds_of_block): Likewise.
213 (insert_fake_stores): Create gimple register store_tmps for
215 * tree-sra.c (sra_elt): New field, is_vector_lhs.
216 (sra_walk_expr <case BIT_FIELD_REF>): For vector types that
217 are the left hand side, set the element's is_vector_lhs to true.
218 (instantiate_element): For vector types which were on the left
219 hand size, set DECL_GIMPLE_REG_P to false.
220 * tree-nested.c (create_tmp_var_for): Use the renamed DECL_GIMPLE_REG_P. * tree-inline.c (declare_return_variable): Use the renamed
222 and check for VECTOR_TYPE.
223 (copy_decl_to_var): Use the renamed DECL_GIMPLE_REG_P.
224 (copy_result_decl_to_var): Likewise.
225 * tree-vect-transform.c (vect_get_new_vect_var): For vector types,
226 create a gimple register variable.
227 (vect_permute_store_chain): Set DECL_GIMPLE_REG_P to true for the
228 vect_inter_* temp variables.
229 * Makefile.in (expmed.o): Update dependencies.
231 2006-12-12 Peter Bergner <bergner@vnet.ibm.com>
233 * reload1.c (eliminate_regs_in_insn): Merge the plus_src "else" and
234 the offset == 0 "then" clauses.
235 * config/rs6000/predicates.md (gpc_reg_operand): Check for
238 2006-12-12 Marcin Dalecki <martin@dalecki.de>
240 * doc/passes.texi: remove docs about "redundant PHI removal".
241 * tree-pass.h: remove orphaned declaration of pass_redundant_phi,
242 remove redundant pass_partition_blocks declaration.
244 2006-12-12 Andrew Macleod <amacleod@redhat.com>
246 PR tree-optimization/30159
247 * tree-ssa-coalesce.c (coalesce_ssa_name): Process single ssa_name
248 functions in case a default_def coalesce is required.
250 2006-12-12 Jakub Jelinek <jakub@redhat.com>
253 * gthr-posix.h (_REENTRANT): Only define if __osf__ is defined.
255 * config/ia64/linux.h (CPP_SPEC): Define.
256 * config/s390/linux.h (CPP_SPEC): Define.
258 2006-12-12 Jim Wilson <wilson@specifix.com>
259 Jakub Jelinek <jakub@redhat.com>
261 PR rtl-optimization/27761
262 * combine.c (try_combine): Don't create a useless garbage SET
263 if PATTERN (i2) is a PARALLEL. If added_sets_1, save
264 PATTERN (i1) resp. SET from i1src to i1dest in i1pat
265 and use it to prevent accidental modification of i1src.
267 2006-12-12 Ira Rosen <irar@il.ibm.com>
269 * tree-vect-analyze.c (vect_analyze_data_ref_access): Add another check
270 for stores with gaps.
271 * tree-vect-transform.c (vect_permute_store_chain): Create
272 interleave_high or interleave_low according to the endianess.
274 2006-12-12 Richard Guenther <rguenther@suse.de>
277 * fold-const.c (fold_read_from_constant_string): Only fold read
278 from constant string if the result type is integer.
280 2006-12-12 Olivier Hainque <hainque@adacore.com>
282 * config/rs6000/t-vxworks: Remove assignment to LIB2FUNCS_EXTRA.
284 2006-12-12 Olivier Hainque <hainque@adacore.com>
286 * config/vxlib.c: Extract tls related routines into ...
287 * config/vxlib-tls.c: New file.
288 * config/t-vxworks: Add vxlib-tls.c to LIB2FUNCS_EXTRA.
290 2006-12-12 Sa Liu <saliu@de.ibm.com>
291 Ben Elliston <bje@au.ibm.com>
293 * config/spu/spu.opt (mfixed-range): New option.
294 * config/spu/spu.h (spu_fixed_range_string): Declare.
295 * config/spu/spu.c (spu_override_options): Handle -mfixed-range.
296 (fix_range): New function.
297 * doc/invoke.texi (SPU Options): Document -mfixed-range.
298 * testsuite/gcc.target/spu/fixed-range.c: New.
299 * testsuite/gcc.target/spu/fixed-range-bad.c: Ditto.
301 2006-12-11 H.J. Lu <hongjiu.lu@intel.com>
305 * cgraphunit.c (cgraph_optimize): Remove call to
306 process_pending_assemble_externals.
308 * config/elfos.h (ASM_OUTPUT_EXTERNAL): New.
310 * config/ia64/hpux.h (TARGET_ASM_FILE_END): Removed.
312 * config/ia64/ia64.c (ia64_asm_output_external): Rewritten.
313 (ia64_hpux_add_extern_decl): Removed.
314 (ia64_hpux_file_end): Likewise.
315 (extern_func_list): Likewise.
316 (extern_func_head): Likewise.
318 * output.h (assemble_external): Update comments.
319 (default_elf_asm_output_external): New.
320 (maybe_assemble_visibility): New.
322 * toplev.c (compile_file): Update comment.
324 * varasm.c (assemble_external): Always put it on
325 pending_assemble_externals.
326 (maybe_assemble_visibility): Make it extern and return int.
327 (default_elf_asm_output_external): New.
329 2006-12-11 Daniel Berlin <dberlin@dberlin.org>
331 * tree-ssa-structalias.c (handle_ptr_arith): Return false when we
332 can't handle the pointer arithmetic.
334 2006-12-11 Diego Novillo <dnovillo@redhat.com>
336 * doc/tree-ssa.texi: Update documentation for virtual operands
337 and the use of push_stmt_changes/pop_stmt_changes.
338 * doc/invoke.texi: Remove documentation for params
339 global-var-threshold.
340 Update documentation on max-aliased-vops.
342 * tree-into-ssa.c: Cleanup comments, variables and
343 spacing in various functions.
344 (regs_to_rename): Declare.
345 (mem_syms_to_rename): Declare.
346 (dump_update_ssa): Declare.
347 (debug_update_ssa): Declare.
348 (dump_names_replaced_by): Declare.
349 (debug_names_replaced_by): Declare.
350 (dump_def_blocks): Declare.
351 (debug_def_blocks): Declare.
352 (dump_defs_stack): Declare.
353 (debug_defs_stack): Declare.
354 (dump_currdefs): Declare.
355 (debug_currdefs): Declare.
356 (mark_def_sites): Do not handle virtual operands.
357 (compute_idf): Rename from find_idf. Update users.
358 (register_new_def): Make local. Convert second argument
360 Use BLOCK_DEFS_STACK directly.
361 If pushing a non-register, also push the underlying
363 (rewrite_stmt): Do not handle virtual operands.
364 (dump_tree_ssa): Call dump_def_blocks, dump_defs_stack,
365 dump_currdefs and dump_tree_ssa_stats.
366 (dump_tree_ssa_stats): Also dump REPL_TBL.
367 (replace_use): Remove. Update all users to call SET_USE
369 (rewrite_blocks): Move code to free memory to
371 (mark_def_site_blocks): Move initialization code to
373 (init_ssa_renamer): New.
374 (fini_ssa_renamer): New.
375 (rewrite_into_ssa): Call them.
376 (prepare_block_for_update): Process SSA_OP_ALL_USES first
377 and SSA_OP_ALL_DEFS later. Do not process virtual
379 (dump_update_ssa): Call dump_decl_set.
380 (init_update_ssa): Initialize regs_to_rename and
382 Call init_ssa_renamer.
383 (delete_update_ssa): Call fini_ssa_renamer.
384 Free blocks_with_phis_to_rewrite.
385 (mark_sym_for_renaming): If the variable has
386 sub-variables, also mark them.
387 If the variable belongs to a partition, also mark it.
388 (mark_set_for_renaming): Call mark_sym_for_renaming on
389 every symbol in the set.
390 (switch_virtuals_to_full_rewrite): Call
391 mark_set_for_renaming.
392 (update_ssa): Separate syms_to_rename into regs_to_rename
393 and mem_syms_to_rename.
395 * tree-dump.c (dump_options): Add TDF_MEMSYMS.
396 * tree-pretty-print.c (debug_generic_expr): Add TDF_MEMSYMS.
397 (debug_generic_stmt): Likewise.
398 (debug_tree_chain): Likewise.
400 (dump_generic_node): Check for TDF_MEMSYMS.
401 Handle MEMORY_PARTITION_TAG.
402 If the statement references memory and TDF_MEMSYMS is
403 given, call dump_symbols.
404 Indicate default names with (D).
405 (dump_vops): Update for new virtual operator format.
407 * tree.c (init_ttree): Add MEMORY_PARTITION_TAG to
408 tree_contains_struct.
409 (tree_code_size): Handle MEMORY_PARTITION_TAG.
410 (tree_node_structure): Likewise.
411 (needs_to_live_in_memory): Handle SSA names.
412 * tree.h (MTAG_P): Likewise.
413 (struct tree_memory_partition_tag): Declare.
414 (MPT_SYMBOLS): Define.
415 (union tree_node): Add field 'mpt'.
416 * treestruct.def (TS_MEMORY_PARTITION_TAG): Define.
417 * tree.def (MEMORY_PARTITION_TAG): Define.
419 * tree-pass.h (TDF_MEMSYMS): Define.
421 * params.h (GLOBAL_VAR_THRESHOLD): Remove.
423 * tree-ssa-alias.c: Include pointer-set.h
424 (struct alias_map_d): Remove fields total_alias_vops,
425 grouped_p and may_aliases. Update all users.
426 (struct mp_info_def): Declare.
427 (mp_info_t): New type.
428 (get_smt_for): Rename from get_tmt_for. Update all
430 (add_may_alias): Add argument ALREADY_ADDED. If given,
431 use it to avoid adding duplicate entries to alias sets.
432 (replace_may_alias): Remove. Update all users.
433 (total_alias_vops_cmp): Remove. Update all users.
434 (group_aliases_into): Remove. Update all users.
435 (tree_pointer_compare): Remove. Update all users.
436 (compact_name_tags): Remove. Update all users.
437 (group_aliases): Remove. Update all users.
438 (mark_non_addressable): Move from tree-flow-inline.h.
439 Remove the symbol from the partition holding it, if
442 (debug_mp_info): New.
444 (create_partition_for): New.
445 (rewrite_alias_set_for): New.
446 (compute_memory_partitions): New.
447 (compute_may_aliases): Call it.
448 (init_alias_info): If computing aliases for the first
449 time, mark every memory symbol for renaming.
450 (have_common_aliases_p): New.
451 (compute_flow_insensitive_aliasing): Call it.
452 (setup_pointers_and_addressables): Do not cache
454 For register promoted symbols, mark their former
455 partition for renaming.
456 (maybe_create_global_var): Only create .GLOBAL_VAR if
457 there are no call-clobbered variables and a mix of pure
458 and non-pure functions were found.
459 (may_alias_p): Tidy comments.
460 (create_tag_raw): Remove unused variable new_type.
461 (dump_alias_info): call dump_memory_partitions.
462 (dump_points_to_info_for): Call dump_decl_set.
463 (may_be_aliased): Tidy comments and formatting.
465 * timevar.def (TV_MEMORY_PARTITIONING): Define.
466 * tree-vectorizer.c (vect_memsyms_to_rename): Rename from
467 vect_vnames_to_rename. Set DECL_UIDs instead of SSA name
469 (slpeel_update_phi_nodes_for_guard1): Ignore memory PHIs.
470 * tree-vect-transform.c (vect_transform_loop): Call
471 mark_set_for_renaming with vect_memsyms_to_rename.
472 * tree-flow-inline.h (zero_imm_uses_p): New.
473 (memory_partition): New.
474 (set_memory_partition): New.
475 (factoring_name_p): New.
476 (symbol_mem_tag): New. Update every function that used
477 to access the annotation directly.
478 (set_symbol_mem_tag): Likewise.
480 * tree-ssa-copy.c (may_propagate_copy): Allow copies
481 between a partition and a symbol as long as the symbol
482 belongs to the partition.
483 (merge_alias_info): Ignore merge requests when memory
484 partitions are involved.
486 * tree-ssa.c (verify_ssa_name): Check that default
487 definitions have empty defining statements.
488 (verify_use): Remove argument IS_VIRTUAL.
489 Don't call verify_ssa_name.
490 (verify_phi_args): Call verify_ssa_name.
491 (verify_flow_insensitive_alias_info): Handle MPTs.
492 (verify_flow_sensitive_alias_info): Likewise.
493 (verify_name_tags): Likewise.
494 (verify_call_clobbering): Likewise.
495 (verify_ssa): Check for VOPs only after aliasing
496 information is available.
497 Check virtuals and real operands separately.
498 Call verify_ssa_name on every operand.
499 (stmt_references_memory_p): Move to tree-ssa-operands.c.
500 (walk_use_def_chains_1): Guard against NULL PHI
503 * tree-ssa-operands.c (stmt_references_memory_p): Move from
506 (dump_memory_partitions): New.
507 (debug_memory_partitions): New.
509 * tree-flow.h (struct var_ann_d): Add field mpt.
510 (struct stmt_ann_d): Add bitfield references_memory.
511 * Makefile.in (tree-ssa-structalias.o): Include
513 (tree-ssa-alias.o): Likewise.
514 * tree-ssa-structalias.c: (update_alias_info): Use
515 STORED_SYMS to determine which variables are being
516 written to by the store operation.
517 * tree-ssa-structalias.h (struct alias_info)
518 <total_alias_vops>: Remove. Update all users.
519 <written_vars>: Change to a pointer set. Update all
521 <dereferenced_ptrs_store>: Likewise.
522 <dereferenced_ptrs_load>: Likewise.
523 (NUM_REFERENCES): Remove. Update all users.
524 (NUM_REFERENCES_CLEAR): Remove. Update all users.
525 (NUM_REFERENCES_INC): Remove. Update all users.
526 (NUM_REFERENCES_SET): Remove. Update all users.
528 * params.def (PARAM_GLOBAL_VAR_THRESHOLD): Remove.
530 (PARAM_MAX_ALIASED_VOPS): Set to 10.
531 * tree-ssanames.c (make_ssa_name): Initialize
532 SSA_NAME_IS_DEFAULT_DEF to 0.
534 2006-12-11 Aldy Hernandez <aldyh@redhat.com>
536 * tree-ssa-dse.c (aggregate_vardecl_d): New.
537 (dse_global_data): Add aggregate_vardecl field.
538 (dse_possible_dead_store_p): New.
539 Add prev_defvar variable.
540 Allow immediate uses and previous immediate uses to differ
541 if they are setting different parts of the whole.
542 (get_aggregate_vardecl): New.
543 (dse_record_partial_aggregate_store): New.
544 (dse_whole_aggregate_clobbered_p): New.
545 (dse_partial_kill_p): New.
546 (dse_optimize_stmt): Abstract code checking a possible dead store
547 into new function dse_possible_dead_store_p().
548 Call dse_maybe_record_aggregate_store().
549 When checking whether a STMT and its USE_STMT refer to the
550 same memory address, check also for partial kills that clobber
552 Move some variable definitions to the block where they are used.
553 (aggregate_vardecl_hash): New.
554 (aggregate_vardecl_eq): New.
555 (aggregate_vardecl_free): New.
556 (aggregate_whole_store_p): New.
557 (tree_ssa_dse): Initialize and free aggregate_vardecl.
558 Mark which aggregate stores we care about.
560 2006-12-11 Andrew Macleod <amacleod@redhat.com>
562 * tree-ssa-operands.h (struct vuse_element_d): Declare.
563 (vuse_element_t): Declare.
564 (struct vuse_vec_d): Declare.
565 (vuse_vec_p): Declare.
566 (VUSE_VECT_NUM_ELEM): Define.
567 (VUSE_VECT_ELEMENT_NC): Define.
568 (VUSE_ELEMENT_PTR_NC): Define.
569 (VUSE_ELEMENT_VAR_NC): Define.
570 (VUSE_VECT_ELEMENT): Define.
571 (VUSE_ELEMENT_PTR): Define.
572 (VUSE_ELEMENT_VAR): Define.
573 (struct maydef_optype_d) <use_var>: Remove.
576 (struct vuse_optype_d) <kill_var>: Remove.
579 (struct mustdef_optype_d) <kill_var>: Remove.
582 (VUSE_OP_PTR): Add argument. Use VUSE_ELEMENT_PTR.
583 (VUSE_OP): Add argument. Use VUSE_ELEMENT_PTR.
586 (MAYDEF_OP_PTR): Add argument. Use VUSE_OP_PTR.
587 (MAYDEF_OP): Add argument. Use VUSE_OP.
588 (MAYDEF_NUM): Define.
589 (MAYDEF_VECT): Define.
590 (MUSTDEF_KILL_PTR): Use VUSE_OP_PTR.
591 (MUSTDEF_KILL): Use VUSE_OP.
592 (MUSTDEF_NUM): Define.
593 (MUSTDEF_VECT): Define.
594 (realloc_maydef): Declare.
595 (realloc_vuse): Declare.
596 (struct ssa_operand_iterator_d) <vuse_index>: Add.
598 (LOADED_SYMS): Define.
599 (STORED_SYMS): Define.
600 (FOR_EACH_SSA_MUSTDEF_OPERAND): Call op_iter_next_mustdef.
601 * tree-into-ssa.c: Adapt for multi-operand V_MAY_DEF and VUSE
603 * tree-pretty-print.c: Likewise.
604 * tree-ssa-dse.c: Likewise.
605 * tree-flow-inline.h: Likewise.
606 (op_iter_next_mustdef): New.
607 * tree-ssa-operands.c: Likewise.
608 (ALLOC_OPTYPE): Remove.
614 (alloc_mustdef): New.
615 (realloc_maydef): New.
618 2006-12-11 Aldy Hernandez <aldyh@redhat.com>
620 * tree-ssa-operands.c: Remove build_v_must_defs.
621 (init_ssa_operands): Delete build_v_must_defs.
622 (finalize_ssa_v_must_def_ops): Remove.
623 (finalize_ssa_v_must_defs): Remove.
624 (finalize_ssa_stmt_operands): Do not call
625 finalize_ssa_v_must_defs.
626 (start_ssa_stmt_operands): Do not check build_v_must_defs.
627 (append_v_must_def): Delete.
628 (copy_virtual_operands): Do not copy V_MUST_DEFs.
629 (get_modify_expr_operands): Remove reference to V_MUST_DEF from
630 comment. Remove opf_kill_def.
631 (build_ssa_operands): Remove references to v_must_defs.
632 (copy_virtual_operands): Same.
633 (copy_virtual_operands): Same.
634 (fini_ssa_operands): Same.
635 (free_ssa_operands): Same.
636 (add_mustdef_op): Remove.
637 Remove mustdef_optype_p.
638 (alloc_mustdef): Remove.
639 Remove references to V_MUST_DEFs in comment at top of file.
640 (get_expr_operands): Remove opf_kill_def.
641 (opf_kill_def): Remove.
642 (add_virtual_operand): Remove opf_kill_def.
643 (get_indirect_ref_operands): Same.
644 (get_tmr_operands): Same.
646 * tree-vectorizer.c (rename_variables_in_bb): Remove
649 * tree-ssa-loop-manip.c (find_uses_to_rename_stmt): Remove
651 (check_loop_closed_ssa_stmt): Same.
653 * tree-ssa.c (verify_def): Remove V_MUST_DEF from comment.
655 (verify_ssa): Remove V_MUST_DEFs traces.
656 (verify_ssa): Remove SSA_OP_ALL_KILLS.
658 * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTDEF to
660 (rewrite_update_stmt): Remove SSA_OP_VIRTUAL_KILLS.
661 (rewrite_stmt): Remove SSA_OP_ALL_KILLS.
663 * tree-ssa-operands.h (struct stmt_operands_d): Remove V_MUST_DEF
665 (MUSTDEF_OPS): Remove.
666 (SSA_OP_VMUSTDEF): Remove.
667 (FOR_EACH_SSA_MUSTDEF_OPERAND): Remove.
668 (struct mustdef_optype_d): Remove.
669 Remove mustdef_optype_p.
670 (struct stmt_operands_d): Remove mustdef_ops.
671 (ssa_operand_iterator_d): Remove mustdefs and mustkills.
672 (SSA_OP_VIRTUAL_DEFS): Remove SSA_OP_VMUSTDEF.
673 (MUSTDEF_RESULT_PTR): Remove.
674 (MUSTDEF_RESULT): Remove.
675 (MUSTDEF_KILL_PTR): Remove.
676 (MUSTDEF_KILL): Remove.
677 (MUSTDEF_NUM): Remove.
678 (MUSTDEF_VECT): Remove.
679 (SSA_OP_VIRTUAL_KILLS): Remove.
680 (SSA_OP_ALL_VIRTUALS): Remove SSA_OP_VIRTUAL_KILLS.
681 (SSA_OP_VMUSTKILL): Remove.
682 (SSA_OP_ALL_KILLS): Remove.
683 (SSA_OP_ALL_OPERANDS): Remove SSA_OP_ALL_KILLS.
685 * tree-flow-inline.h (op_iter_init_def): Remove
686 SSA_OP_VIRTUAL_KILLS.
687 (delink_stmt_imm_use): Remove SSA_OP_ALL_KILLS.
689 * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
690 SSA_OP_VIRTUAL_KILLS.
692 * tree-ssa-loop-im.c (determine_max_movement): Remove
693 SSA_OP_VIRTUAL_KILLS.
694 (gather_mem_refs_stmt): Same.
695 (gather_mem_refs_stmt): Same.
697 * tree-ssa-dce.c (mark_really_necessary_kill_operand_phis): Delete.
698 (perform_tree_ssa_dce): Remove call to
699 mark_really_necessary_kill_operand_phis.
701 * tree-flow-inline.h (op_iter_init): Remove setting of mustdefs
703 (op_iter_next_use): Do not check mustkills.
704 (op_iter_next_def): Do not check mustdefs.
705 (op_iter_next_tree): Do not check mustkills or mustdefs.
706 (clear_and_done_ssa_iter): Do not set mustdefs or mustkills.
707 (op_iter_next_maymustdef): Do not check mustkills.
708 (op_iter_init_must_and_may_def): Remove SSA_OP_VMUSTKILL.
709 (op_iter_init_mustdef): Remove.
711 * tree-ssa-live.c (create_ssa_var_map): Change SSA_OP_VMUSTDEF to
714 * tree-ssa-dse.c (dse_optimize_stmt): Remove SSA_OP_VMUSTDEF.
716 * tree-ssa-ccp.c: Remove V_MUST_DEF traces from comments.
717 (visit_assignment): Same.
719 * tree-ssa-copy.c (copy_prop_visit_assignment): Same.
721 * tree-sra.c (mark_all_v_defs_1): Remove V_MUST_DEF from comment.
723 * tree-outof-ssa.c (check_replaceable): Remove SSA_OP_VMUSTDEF.
725 * tree-pretty-print.c (dump_vops): Remove printing of V_MUST_DEF.
726 Remove kill_p variable.
728 * tree-dfa.c (struct dfa_stats_d): Remove num_v_must_defs.
729 (dump_dfa_stats): Remove code related to V_MUST_DEFs.
730 (collect_dfa_stats_r): Do not set num_v_must_defs.
731 (mark_new_vars_to_rename): Remove v_must_defs_{before,after}
734 * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTKILL to
737 * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
738 SSA_OP_VMUSTDEF and SSA_OP_VMUSTKILL.
740 * tree-ssa-propagate.c (stmt_makes_single_store): Remove
743 2006-12-11 Zdenek Dvorak <dvorakz@suse.cz>
745 PR rtl-optimization/30113
746 * loop-iv.c (implies_p): Require the mode of the operands to be
749 2006-12-11 Diego Novillo <dnovillo@redhat.com>
751 * tree-ssa-operands.h (create_ssa_artificial_load_stmt):
752 Rename from create_ssa_artficial_load_stmt. Update all users.
753 * tree-into-ssa.c (register_new_def): Make static.
754 * tree.c (is_global_var): Handle SSA_NAMEs.
755 * tree.h (SSA_NAME_IS_DEFAULT_DEF): Define. Update all users
756 that used to call gimple_default_def.
757 * tree-ssa-operands.c (push_stmt_changes): New.
758 (pop_stmt_changes): New. Update every pass that modifies
759 statements to bracket modifications with
760 push_stmt_changes/pop_stmt_changes.
761 (discard_stmt_changes): New.
762 * tree-ssa-dom.c (stmts_to_rescan): Change to stack of
763 'tree *' instead of 'tree'. Update all users.
764 * tree-flow-inline.h (zero_imm_uses_p): New.
765 (symbol_mem_tag): New. Update every function that used
766 to access the annotation directly.
767 (set_symbol_mem_tag): Likewise.
768 * tree-dfa.c (dump_variable): Always show the escape mask.
769 (mark_symbols_for_renaming): Rename from
770 mark_new_vars_to_rename. Update all users.
771 Only mark to rename naked symbols in real and virtual
774 2006-12-11 Andreas Schwab <schwab@suse.de>
776 * varasm.c (elf_record_gcc_switches): Cast second argument of
777 ASM_OUTPUT_SKIP to unsigned HOST_WIDE_INT.
779 2006-12-11 Diego Novillo <dnovillo@redhat.com>
781 * tree-scalar-evolution.c (scev_const_prop):
782 * tree-phinodes.c (remove_phi_node): Add argument
783 RELEASE_LHS_P. If given, release the SSA name on the LHS of
786 * tree-ssa-dce.c: Remove forward declarations for static
787 functions. Re-arrange functions bodies as needed.
788 (find_obviously_necessary_stmts): Never mark PHI nodes as
791 2006-12-11 Carlos O'Donell <carlos@codesourcery.com>
793 * config/arm/elf.h (MAX_OFILE_ALIGNMENT): Remove definition.
795 2006-12-11 Jan Hubicka <jh@suse.cz>
797 * value-prof.c (tree_stringops_transform): New.
798 (tree_value_profile_transformations): Require count to be non-zero;
799 call stringop transform; reset stmt BSI after BB changed.
800 (tree_divmod_fixed_value, tree_mod_pow2): Don't emit unnecesary label.
801 (interesting_stringop_to_profile_p, tree_stringop_fixed_value): New.
802 (tree_stringops_values_to_profile): New.
803 (tree_values_to_profile): Call tree_stringops_values_to_profile.
804 * tree.h (build_string_literal): Tidy prototype.
805 (validate_arglist, builtin_memset_read_str, get_pointer_alignment):
807 * builtins.c (validate_arglist, builtin_memset_read_str,
808 get_pointer_alignment): Export.
810 2006-12-11 Uros Bizjak <ubizjak@gmail.com>
814 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
816 * config/i386/i386.opt: New target option -mx87regparm.
818 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno,
819 float_in_x87: Add new variables. mmx_words, sse_words: Remove.
820 (X87_REGPARM_MAX): Define.
822 * config/i386/i386.c (override_options): Error out for
823 -mx87regparm but no 80387 support.
824 (ix86_attribute_table): Add x87regparm.
825 (ix86_handle_cconv_attribute): Update comments for x87regparm.
826 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
827 (ix86_function_x87regparm): New function.
828 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
830 (init_cumulative_args): Initialize x87_nregs and float_in_x87
832 (function_arg_advance): Process x87_nregs and x87_regno when
833 floating point argument is to be passed in 80387 register.
834 (function_arg): Pass XFmode arguments in 80387 registers for local
835 functions. Pass SFmode and DFmode arguments to local functions
836 in 80387 registers when flag_unsafe_math_optimizations is set.
838 * reg-stack.c (convert_regs_entry): Disable NaN load for
839 stack registers that are used for argument passing.
841 * doc/extend.texi: Document x87regparm function attribute.
842 * doc/invoke.texi: Document -mx87regparm.
844 2006-12-11 Jan Hubicka <jh@suse.cz>
846 Move all varpool routines out of cgraph/cgraphunit to varpool.c
847 * cgraph.c: Update comments.
848 (cgraph_varpool_hash,
849 cgraph_varpool_nodes, cgraph_varpool_last_needed_node
850 cgraph_varpool_node_name, cgraph_varpool_node,
851 cgraph_varpol_mode_for_asm, cgraph_varpool_mark_needed_node,
852 cgraph_variable_initializer_availability): Move to
853 varpool.c and drop cgraph_ prefixes.
854 (cgraph_varpool_enqueue_needed_node, cgraph_varpool_reset_queue,
855 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_finalize_decl):
856 move to varpool.c; drop cgraph_ prefix; make static.
857 (dump_cgraph_varpool_node): Move to varpool.c under name
859 (dump_varpool, hash_varpool_node, eq_varpool_node,
860 decide_is_variable_needed): Move to varpool.c
861 (decl_assembler_name_equal): Move to tree.c.
862 (availability_names): Rename to ...
863 (cgraph_availability_names): ... this one.
864 (dump_cgraph_node): Update.
865 * cgraph.h: Reorder declarations now in varpool.c
866 (cgraph_vailablity_names): Declare.
867 (struct cgraph_varpool_node): Rename to ...
868 (struct varpool_node): ... this one.
869 (cgraph_varpool_first_unanalyzed_node, cgraph_varpool_nodes_queue,
870 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_node,
871 cgraph_varpool_node_for_asm, cgraph_varpool_mark_needed_node,
872 cgraph_varpool_finalize_decl, cgraph_varpool_enqueue_needed_node,
873 cgraph_varpool_reset_queue, cgraph_varpool_assemble_pending_decls,
874 cgraph_variable_initializer_availability): Rename to ...
875 (varpool_first_unanalyzed_node, varpool_nodes_queue,
876 varpool_first_unanalyzed_node, varpool_node,
877 varpool_node_for_asm, varpool_mark_needed_node,
878 varpool_finalize_decl, varpool_enqueue_needed_node,
879 varpool_assemble_pending_decls, variable_initializer_availability):
881 * tree.c (decl_assembler_name_equal): Move here from cgraph.c.
882 * tree.h (decl_assembler_name_equal): Declare.
883 * omp-low.c (lower_omp_critical): Update.
884 * ipa-reference (analyze_variable, static_execute): Likewise.
885 * toplev.c (wrapup_global_declaration_2, compile_file): Update.
886 * cgraphunit.c: Update comments.
887 (cgraph_varpool_assembled_nodes_queue): Move to varpool.c under name
888 varpool_assembled_nodes_queue.
889 (cgraph_varpool_analyze_pending_decls): Move to varpool.c under name
890 varpool_analyze_pending_decls.
891 (cgraph_varpool_remove_unreferenced_decls): Move to varpool.c under name
892 varpool_remove_unreferenced_decls.
893 (record_reference): Update.
894 (cgraph_create_edges): Update.
895 (record_referneces_in_initializer): New function.
896 (cgraph_varpool_assemble_decl): Move to varpool.c under name
897 varpool_assemble_decl; make global.
898 (cgraph_varpool_assemble_pending_decls): Move to varpool.c under name
899 varpool_assemble_pending_decls.
900 (process_function_and_variable_attributes, cgraph_finalize_compilation_unit,
901 struct cgraph_order_sort, cgraph_output_in_order,
902 cgraph_function_and_variable_invisibility, cgraph_optimize,
903 cgraph_increase_alignment): Update.
904 * dwarf2out.c (decls_for_scope): Likewise.
905 * ipa-type-escape.c (analyze_variable, type_escape_execute): Likewise.
906 * except.c (output_ttype): Likewise.
907 * varasm.c (mark_decl_referenced): Likewise.
908 (find_decl_and_mark_referenced, assemble_alias): update.
909 * Makefile.in: Add varpool.c, gt-varpool.c and remove gt-cgraphunit.c
910 * passes.c (rest_of_decl_compilation): Update.
912 2006-12-11 Ira Rosen <irar@il.ibm.com>
914 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Use
916 * tree-vect-transform.c (vect_permute_store_chain): Likewise.
917 (vect_setup_realignment): Likewise.
919 2006-12-11 Sa Liu <saliu@de.ibm.com>
920 Ben Elliston <bje@au.ibm.com>
922 * config/spu/spu-elf.h (STARTFILE_SPEC): Update.
923 (ENDFILE_SPEC): Likewise.
924 * config/spu/spu.opt (mstdmain): New option.
925 * config/spu/crti.asm: Remove.
926 * config/spu/crtn.asm: Likewise.
927 * config/spu/crt0.c: Likewise.
928 * config/spu/crtend.c: Likewise.
929 * config/spu/t-spu-elf (EXTRA_MULTILIB_PARTS): Remove crt0 files
931 ($(T)crti.o, $(T)crtn.o, $(T)crt1.o, $(T)crtend1.o): Remove.
932 * doc/invoke.texi (SPU Options): Document -mstdmain.
934 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
936 * doc/loop.texi: Document number_of_latch_executions and
937 number_of_cond_exit_executions.
938 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
939 chrec_is_positive, number_of_iterations_for_all_loops,
940 scev_const_prop): Use number_of_latch_executions.
941 (set_nb_iterations_in_loop): Do not increase the value of the
942 number of iterations.
943 (number_of_iterations_in_loop): Renamed to ...
944 (number_of_latch_executions): ... this.
945 (number_of_exit_cond_executions): New function.
946 * tree-scalar-evolution.h (number_of_iterations_in_loop): Declaration
948 (number_of_latch_executions, number_of_exit_cond_executions): Declare.
949 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables): Use
950 number_of_latch_executions.
951 * tree-data-ref.c (get_number_of_iters_for_loop): Use
952 number_of_exit_cond_executions.
953 * tree-vect-analyze.c (vect_get_loop_niters): Ditto.
954 * cfgloop.h (struct loop): Improve description of the nb_iterations
957 2006-12-10 Daniel Berlin <dberlin@dberlin.org>
959 * tree-ssa-alias.c (compact_name_tags): Use sort_tags_by_id.
960 (tree_pointer_compare): Remove.
962 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
964 * tree-vrp.c (adjust_range_with_scev): Use get_chrec_loop.
965 * loop-unswitch.c (unswitch_loops): Use FOR_EACH_LOOP.
966 * tree-loop-linear.c (linear_transform_loops): Ditto.
967 * tree-ssa-loop-im.c (determine_lsm): Ditto.
968 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
969 free_numbers_of_iterations_estimates): Ditto.
970 * tree_ssa_unswitch_loops (tree_ssa_unswitch_loops): Ditto.
971 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
972 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
973 * modulo-sched.c (sms_schedule): Ditto.
974 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables,
975 tree_unroll_loops_completely): Ditto.
976 * predict.c (predict_loops): Ditto.
977 * tree-if-conv.c (main_tree_if_conversion): Ditto.
978 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
979 decide_unrolling_and_peeling): Ditto.
980 * cfgloopmanip.c (unloop): Use delete_loop.
981 (place_new_loop): Access larray vector instead of parray.
982 (create_preheaders, force_single_succ_latches,
983 fix_loop_structure): Use FOR_EACH_LOOP and delete_loop..
984 * loop-doloop.c (doloop_optimize_loops): Ditto.
985 * loop-invariant.c (move_loop_invariants): Ditto.
986 * tree-cfg.c (replace_uses_by): Ditto.
987 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Ditto.
988 * tree-chrec.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
990 * tree.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
992 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop,
993 compute_overall_effect_of_inner_loop, chrec_is_positive): Use
994 get_loop and get_chrec_loop.
995 (number_of_iterations_for_all_loops): Use number_of_loops.
996 (scev_initialize, scev_reset, scev_const_prop): Use FOR_EACH_LOOP.
997 * tree-scalar-evolution.h (get_chrec_loop): New inline function.
998 * cfgloopanal.c (mark_irreducible_loops): Use number_of_loops,
1000 * tree-chrec.c (evolution_function_is_invariant_rec_p,
1001 chrec_convert_1): Use get_loop and get_chrec_loop.
1002 * loop-init.c (loop_optimizer_init): Use number_of_loops.
1003 (loop_optimizer_init): Use FOR_EACH_LOOP.
1004 * tree-vectorizer.c (vect_loops_num): Removed.
1005 (vectorize_loops): Store number of loops locally. Use
1006 FOR_EACH_LOOP and get_loop.
1007 * tree-vectorizer.h (vect_loops_num): Removed.
1008 * tree-data-ref.c (get_number_of_iters_for_loop): Use get_loop.
1009 (find_data_references_in_loop): Do not set parallel_p.
1010 * tree-data-ref.h: Do not declare VEC(loop_p).
1011 * cfgloop.c (flow_loops_dump, mark_single_exit_loops,
1012 verify_loop_structure): Use FOR_EACH_LOOP.
1013 (flow_loops_free): Use FOR_EACH_LOOP, free larray vector.
1014 (initialize_loops_parallel_p): Removed.
1015 (flow_loops_find): Push the loops into a vector.
1016 (delete_loop): New function.
1017 (cancel_loop): Use delete_loop.
1018 * cfgloop.h: Declare VEC(loop_p).
1019 (struct loop): Remove parallel_p field.
1020 (struct loops): Replace num and parray field by larray vector.
1021 Remove shared_headers field.
1022 (delete_loop): Declare.
1023 (get_loop, get_loops, number_of_loops, fel_next, fel_init,
1024 FOR_EACH_LOOP): New.
1025 * doc/loop.tex: Document new accessor functions.
1027 2006-12-10 Andrew MacLeod <amacleod@redhat.com>
1029 * common.opt (-ftree-lrs): Remove live range splitting option.
1030 * makefile.in: Add tree-ssa-coalesce.o and reduce header dependancies.
1031 * opts.c (decode_options): Remove flag_tree_live_range_split.
1032 * tree-flow.h (struct var_ann_d): Rename fields from root_ to base_.
1033 * tree-flow-inline.h (single_imm_use_p): New. Check for single use.
1034 * tree-outof-ssa.c: Remove header files which aren't needed.
1035 (SSANORM_*): Remove flags.
1036 (print_exprs_edge, coalesce_abnormal_edges, coalesce_phi_operands,
1037 coalesce_result_decls_and_copies, coalesce_asm_operands): Remove.
1038 (coalesce_ssa_name): Move to tree-ssa-coalesce.c.
1039 (assign_vars): Use Basevar instead of root_var structure.
1040 (replace_def_variable): Dont do anything if def is replaceable.
1041 (remove_ssa_form): Integrate functional changes.
1042 (rewrite_out_of_ssa): Remove live-range_split option.
1043 * tree-ssa-coalesce.c: New File for ssa-name coalescing.
1044 (coalesce_cost): Calculate the cost of a coalesce.
1045 (coalesce_cost_bb): Calculate the coalesce cost within a BB.
1046 (coalesce_cost_edge): Calculate the coalesce cost on an edge.
1047 (pop_cost_one_pair): Remove the best coalesce with cost 1 from the list.
1048 (pop_best_coalesce): Remove the best coalesce from the list.
1049 (coalesce_pair_map_hash): Calculate coalesce pair hash.
1050 (coalesce_pair_map_eq): Compare 2 coalesce pairs for hash function.
1051 (create_coalesce_list): Create a coalesce list object.
1052 (delete_coalesce_list): Free a coalesce list object.
1053 (find_coalesce_pair): Find matching pair in the coalesce list.
1054 (add_cost_one_coalesce): Add a coalesce to the "cost one" list.
1055 (add_coalesce): Add a coalesce to the coalesce list.
1056 (compare_pairs): Comparision function to determine pair sorted order.
1057 (num_coalesce_pairs): Number of coalesced pairs.
1058 (first_coalesce_pair, end_coalesce_pair_p, next_coalesce_pair):
1059 Coalesce pair iterator functions.
1060 (sort_coalesce_list): Sort coalesce pairs in order of expense.
1061 (dump_coalesce_list): Show coalesce list.
1062 (ssa_conflicts_new): Create an SSA conflict graph.
1063 (ssa_conflicts_delete): Delete an SSA conflict graph.
1064 (ssa_conflicts_test_p): Test for conflicts.
1065 (ssa_conflicts_add_one): Add a single conflict.
1066 (ssa_conflicts_add): Add a conflict pair.
1067 (ssa_conflicts_merge): Merge conflicts.
1068 (struct live_track_d): Struct for tracking live partitions.
1069 (new_live_track): Create new live_track object.
1070 (delete_live_track): Delete a live_track object.
1071 (live_track_remove_partition): Remove a partition from the live list.
1072 (live_track_add_partition): Add a partition from the live list.
1073 (live_track_clear_var): Take VAR from the live list.
1074 (live_track_live_p): Is var live?
1075 (live_track_process_use): Make var come alive.
1076 (live_track_process_def): Make var go dead, add conflicts.
1077 (live_track_init): Initialize to a live on exit set.
1078 (live_track_clear_base_vars): Clear live partitions.
1079 (build_ssa_conflict_graph): Build a conflict graph.
1080 (print_exprs): Common debug output routine.
1081 (abnormal_corrupt): Output info about a failed coalesce across an
1083 (fail_abnormal_edge_coalesce): Output info about a failed MUST_COALESCE.
1084 (create_outofssa_var_map): Create a var map and coalesce list.
1085 (attempt_coalesce): Coalesce a pair.
1086 (coalesce_partitions): Coalesce all pairs in a coalesce list.
1087 (coalesce_ssa_name): Entry point. Determine what ssa_names to coalesce.
1088 * tree-ssa-live.c: Remove header files which aren't needed.
1089 (var_map_base_init): New. Initialize a basevar list.
1090 (var_map_base_fini): New. Finish a basevar list.
1091 (init_var_map): Initialize new fields.
1092 (delete_var_map): Free new fields.
1093 (var_union): Use renamed fields.
1094 (compact_var_map): Remove.
1095 (partition_to_view_init): Use renamed fields, change order of an if.
1096 (partition_view_fini): Use renamed fields.
1097 (partition_view_normal): Create basevar list if requested.
1098 (partition_view_bitmap): Create a view based on a bitmap of partitions.
1099 (change_partition_var): Use renamed fields.
1100 (create_ssa_var_map): Remove.
1101 (tpa_init, tpa_remove_partition, tpa_delete, tpa_compact,
1102 root_var_init): Remove.
1103 (partition_pair_map_hash, partition_pair_map_eq, create_coalesce_list,
1104 delete_coalesce_list, find_partition_pair, coalesce_cost, add_coalesce,
1105 compare_pairs, num_coalesce_pairs, first_partition_pair,
1106 end_partition_pair_p, next_partition_pair, sort_coalesce_list,
1107 pop_best_coalesce, add_conflicts_if_valid, set_if_valid,
1108 build_tree_conflict_graph, coalesce_tpa_members, dump_coalesce_list,
1109 tpa_dump): Moved to tree-ssa-coalesce.c and/or renamed there.
1110 (dump_var_map): Use renamed fields.
1111 * tree-ssa-live.h (struct _var_map): Modify fields.
1112 (partition_to_var, version_to_var, var_to_partition): Use renamed
1114 (basevar_index): New. Index of the base variable of a partition.
1115 (num_basevars): New. Number of unique base variables in partition map.
1116 (register_ssa_partition): Use renamed fields.
1117 (struct tree_partition_associator_d): Remove.
1118 (tpa_num_trees, tpa_tree, tpa_first_partition, tpa_next_partition,
1119 tpa_find_tree, tpa_decompact, root_var_init, root_var_num,
1120 root_var, root_var_first_partition, root_var_next_partition,
1121 root_var_dump, root_var_delete, root_var_remove_partition,
1122 root_var_find, root_var_compact, root_var_decompact): Remove.
1123 (struct partition_pair, struct coalesce_list_d): Moved to
1125 * tree-ssa-ter.c: Remove header files which aren't needed.
1127 2006-12-10 Steven Bosscher <steven@gcc.gnu.org>
1129 * cse.c: (struct cse_basic_block_data): Remove LAST field.
1130 (struct branch_path): Remove BRANCH and TAKEN fields. Add new
1132 (cse_visited_basic_blocks): New static bitmap.
1133 (cse_end_of_basic_block, cse_basic_block): Remove.
1134 (cse_find_path, cse_dump_path, cse_prescan_path,
1135 cse_extended_basic_block): New static functions.
1136 (cse_insn): Don't CSE over setjmp calls. Use the CFG to find
1137 basic block boundaries. Don't record jump equivalences here.
1138 Update the CFG after doing in-place replacement of the SET_SRC.
1139 (cse_main): Rewrite. Look for extended basic block headers
1140 and call cse_extended_basic_block on them until all paths that
1141 start at this header are exhausted.
1142 (rest_of_handle_cse): Verify that the CFG is incrementally updated
1143 and correct after cse_main.
1144 Don't call delete_trivially_dead_insns, let cfgcleanup do that.
1145 (rest_of_handle_cse2): Verify the CFG here, too, after cse_main.
1146 (pass_cse): Add TODO_verify_flow.
1147 (pass_cse2): Likewise.
1149 2006-12-10 Rask Ingemann Lambertsen <rask@sygehus.dk>
1151 * reload1.c (choose_reload_regs): Don't set byte offset when
1152 resolving subregs of hard regs.
1154 2006-12-09 Zack Weinberg <zackw@panix.com>
1156 * c-opts.c (c_common_parse_file): Unconditionally give a warning,
1157 suitable for the language, if set_yydebug is true.
1158 * c-pragma.h: Define enum pragma_omp_clause here. Don't define
1159 YYDEBUG or declare yydebug.
1160 * c-parser.c (yydebug, enum pragma_omp_clause): Delete.
1162 2006-12-09 Jan Hubicka <jh@suse.cz>
1164 * cgraph.c: Update copyright.
1165 * cgraph.h: Likewise
1166 (cgraph_update_pending_function): Remove prototype.
1167 * cgraphunit.c: Update copyright; update overall comment.
1168 (cgraph_assemble_pending_functions): Make local.
1170 2006-12-09 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1172 * haifa-sched.c (schedule_block): Remove excessive sanity check.
1174 2006-12-08 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1176 * config/spu/spu-protos.h (spu_split_immediate): Renamed from
1178 (cpat_const_p, gen_cpat_const): Add.
1179 * config/spu/spu.c (immediate_class): New enum.
1180 (cpat_info, classify_immediate): New.
1181 (print_operand): Use S, D, T instead of F, G, H. Use
1182 classify_immediate. Handle cpat cases.
1183 (spu_split_immediate): Renamed from spu_split_address. Split all
1184 immediates that can be split.
1185 (immediate_load_p): Use classify_immediate.
1186 (spu_legitimate_constant_p): Accept everything except some cases of
1188 (spu_expand_move): Use spu_split_immedate.
1189 (fsmbi_const_p): Use classify_immediate.
1190 (cpat_const_p): New.
1191 (gen_cpat_const: New.
1192 * config/spu/constraints.md (j,k,l): New constraints for cpat
1194 * config/spu/spu.md (unnamed splitter): Change address splitter to
1195 handle all immediates.
1196 (_mov<mode>, _movdi, _movti): Handle i, j, k constraints for cpat
1198 (cpat, _cpat, splitter): Generate a TImode constant for cpat patterns
1201 2006-12-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1204 * pa.md (high:DI and lo_sum:DI): Handle 64-bit CONST_INTs in 32-bit
1205 patterns. Correct length of high:DI instruction sequence.
1207 2006-12-08 Mike Stump <mrs@apple.com>
1209 * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Build
1210 libgcc with -mmacosx-version-min=10.4.
1211 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Default to
1212 G4 for 10.5+ unless doing kernel builds.
1214 2006-12-08 Uros Bizjak <ubizjak@gmail.com>
1217 * reg-stack.c (convert_regs_entry): Mark current argument passing
1220 * config/i386/i386.h (X87_REGPARM_MAX): Set to 0 to disable passing
1221 of float arguments in x87 registers.
1223 2006-12-08 John David Anglin <dave.anglin.@nrc-cnrc.gc.ca>
1225 * pa.h (LEGITIMATE_CONSTANT_P): Simplify.
1227 2006-12-08 Mark Shinwell <shinwell@codesourcery.com>
1229 * recog.c (mode_dependent_address_p): Identify pre-increment,
1230 pre-decrement, post-increment and post-decrement addressing as always
1231 being mode-dependent.
1232 * config/m32c/m32c.c (m32c_mode_dependent_address): Delete.
1233 * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1234 * config/m32c/m32c-protos.h (m32c_mode_dependent_address): Delete.
1235 * config/m32r/m32r.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
1236 PRE_INC and POST_INC checks.
1237 * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1238 * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1239 * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1240 * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1241 * config/c4x/c4x.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
1242 PRE_INC, POST_DEC and POST_INC cases.
1243 * config/stormy16/stormy16.c (xstormy16_mode_dependent_address_p):
1244 Delete POST_INC and PRE_DEC cases.
1245 * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
1247 * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1248 * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
1250 * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1251 * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1252 * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Delete
1253 PRE_INC and PRE_DEC cases.
1254 * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1255 * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1256 * config/arm/arm.h (ARM_GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1257 (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1258 * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1259 * config/vax/vax.c (vax_mode_dependent_address_p): Delete
1260 auto-increment cases.
1261 * config/h8300/h8300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete
1262 auto-increment cases.
1263 * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1265 2006-12-08 Andrew MacLeod <amacleod@redhat.com>
1267 * Makefile.in: Add new file tree-ssa-ter.c.
1268 * tree-outof-ssa.c (struct temp_expr_table_d, new_temp_expr_table,
1269 free_temp_expr_table, add_value_to_version_list,
1270 add_value_to_partition_list, remove_value_from_partition_list,
1271 add_dependence, check_replaceable, finish_expr, mark_replaceable,
1272 kill_expr, kill_virtual_exprs, find_replaceable_in_bb,
1273 find_replaceable_exprs, dump_replaceable_exprs): Move to tree-ssa-ter.c.
1274 * tree-ssa-live.h (find_replaceable_exprs, dump_replaceable_exprs): Add
1276 * tree-ssa-ter.c: New file using code moved from tree-outof-ssa.c.
1277 (struct value_expr_d): Remove.
1278 (struct temp_expr_table_d): Rename fields, add explicit vector of
1279 replaceable expressions instead of sharing. Change value_expr_p's to
1280 bitmap. Delete free_list.
1281 (new_temp_expr_table): Rename fields, count number of ssa_names in
1283 (free_temp_expr_table): Rename field, free new fields.
1284 (new_value_expr, free_value_expr, find_value_in_list, add_value_to_list,
1285 add_info_to_list, remove_value_from_list): Delete.
1286 (version_to_be_replaced_p): New. Is an ssa-name replaceable?
1287 (make_dependent_on_partition): New. Set bit in version list, allocating
1288 a bitmap if need be.
1289 (add_to_partition_kill_list): New. Set bit in the partition list,
1290 allocating a bitmap if need be.
1291 (remove_from_partition_kill_list): New. Remove a bit from the
1292 partition list, free the bitmap if it is empty.
1293 (add_dependence): Use renamed field, cleanup. Don't add a dependence
1294 on partitions with only one member.
1295 (is_replaceable_p): New. Split out replaceability check from
1297 (process_replaceable): New. Code split from check_replaceable.
1298 (check_replaceable): Removed.
1299 (finished_with_expr): Renamed from finish_expr.
1300 (kill_expr): Use renamed fields and less parameters.
1301 (kill_virtual_exprs): Less parameters.
1302 (mark_replaceable): Use renamed fields.
1303 (find_replaceable_in_bb): Use renamed fields, cleanup.
1304 (find_replaceable_exprs): Use renamed routines, cleanup.
1305 (dump_replaceable_exprs): Don't go past end of ssa_names list.
1306 (debug_ter): New. Debug routine to dump state.
1308 2006-12-08 Bernd Schmidt <bernd.schmidt@analog.com>
1310 * config/bfin/bfin.c (effective_address_32bit_p): Return true for
1311 anything involving the GOT.
1312 (bfin_adjust_cost): Don't take the REGNO of a MEM.
1313 (trapping_loads_p): Look inside the pattern of an insn to find the
1315 * config/bfin/bfin.md (attr "type"): Add movcc.
1316 (insn_reservation "alu"): Likewise.
1317 (movsicc_insn1, movsicc_insn2): Change type to movcc.
1319 2006-12-07 Andrew Pinski <andrew_pinski@playstation.sony.com>
1321 * config/spu/spu-c.c (spu_build_overload_builtin): Delete.
1322 (spu_resolve_overloaded_builtin): Check for non scalar instead
1323 of vector type and check the function call argument type also for
1325 Call build_function_call instead of spu_build_overload_builtin.
1327 2006-12-07 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1329 * config/spu/spu.c (array_to_constant): Correct the order of arguments
1330 to the calls of hwint_to_const_double.
1332 2006-12-07 Nick Clifton <nickc@redhat.com>
1334 * config/elfos.h (TARGET_ASM_RECORD_GCC_SWITCHES): Set to
1335 elf_record_gcc_switches.
1337 2006-12-07 Andrew Macleod <amacleod@redhat.com>
1339 * expr.c (string_constant): Account for non-zero lower bound arrays.
1341 2006-12-07 Richard Guenther <rguenther@suse.de>
1343 * builtins.c (expand_builtin_pow): Adjust predicates for
1344 pow to cbrt expansion to unsafe math and !HONOR_NANS for
1347 2006-12-07 Jan Hubicka <jh@suse.cz>
1349 * i386.c (nocona_cost, pentium4_cost): Update preffered memcpy/memset
1352 2006-12-07 Jan Hubicka <jh@suse.cz>
1354 * tree-vrp.c (compare_values): Short circuit INTEGER_CST;
1355 use fold_constant_to_binary; tolerate wrong type constants.
1356 (value_intersect_p): Do just two tests.
1358 2006-12-07 Bernd Schmidt <bernd.schmidt@analog.com>
1360 * config/bfin/bfin.c (print_operand): New modifier 'N' for constants.
1361 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
1362 lshifthi3): Use it, and fix the order of alternatives.
1364 2006-12-07 Nick Clifton <nickc@redhat.com>
1366 * common.opt (record-gcc-switches): New command line switch.
1367 * target.h (print_switch_type): New enum.
1368 (print_switch_fn_type): New typedef for a function pointer.
1369 (struct gcc_target): Add record_gcc_switches and
1370 record_gcc_switches_section fields.
1371 * target-def.h (TARGET_ASM_RECORD_GCC_SWITCHES): Provide a
1373 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Provide a default
1375 * toplev.c (print_single_switch): Simplify by providing a
1376 pointer to function that will format and output the switch
1378 (print_switch_values): Likewise.
1379 (print_to_asm_out_file): New function.
1380 (print_to_stderr): New function.
1381 (init_asm_output): If flag_record_gcc_switches is set then if
1382 the target supports recording the switches then emit them into
1383 the assembler output file, otherwise tell the user that the
1384 switch is not supported.
1385 * varasm.c (eld_record_gcc_switches): New function. Example
1386 handler for the record_gcc_switches target hook.
1387 * doc/tm.texi (TARGET_ASM_RECORD_GCC_SWITCHES): Document the new
1389 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Likewise.
1390 * doc/invoke.texi (-frecord-gcc-switches): Document.
1392 2006-12-07 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1395 * sched-rgn.c (add_block1): Use correct initializer.
1397 2006-12-07 Richard Guenther <rguenther@suse.de>
1399 * tree-vect-transform.c (vectorizable_call): Fix leftover of
1400 TREE_OPERAND to GIMPLE_STMT_OPERAND conversion.
1402 2006-12-06 Aldy Hernandez <aldyh@redhat.com>
1405 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Build MODIFY_EXPR
1406 not GIMPLE_MODIFY_STMT.
1408 2006-12-06 Jan Hubicka <jh@suse.cz>
1410 * tree-vrp.c (operand_less_p): New.
1411 (compare_values, value_inside_range): Rewrite in terms of
1414 2006-12-06 Uros Bizjak <ubizjak@gmail.com>
1416 * config/i386/i386.md (DIRFLAG_REG): Remove constant.
1418 (length_immediate): Do not depend on cld type attribute.
1419 (length_address): Ditto.
1422 (cld): Remove insn pattern.
1423 (strmov_singleop): Do not use DIRFLAG_REG.
1424 (*strmovdi_rex_1): Ditto.
1425 (*strmovsi_1): Ditto.
1426 (*strmovsi_rex_1): Ditto.
1427 (*strmovhi_1): Ditto.
1428 (*strmovhi_rex_1): Ditto.
1429 (*strmovqi_1): Ditto.
1430 (*strmovqi_rex_1): Ditto.
1432 (*rep_movdi_rex64): Ditto.
1433 (*rep_movsi): Ditto.
1434 (*rep_movsi_rex64): Ditto.
1435 (*rep_movqi): Ditto.
1436 (*rep_movqi_rex64): Ditto.
1437 (strset_singleop): Ditto.
1438 (*strsetdi_rex_1): Ditto.
1439 (*strsetsi_1): Ditto.
1440 (*strsetsi_rex_1): Ditto.
1441 (*strsethi_1): Ditto.
1442 (*strsethi_rex_1): Ditto.
1443 (*strsetqi_1): Ditto.
1444 (*strsetqi_rex_1): Ditto.
1446 (*rep_stosdi_rex64): Ditto.
1447 (*rep_stossi): Ditto.
1448 (*rep_stossi_rex64): Ditto.
1449 (*rep_stosqi): Ditto.
1450 (*rep_stosqi_rex64): Ditto.
1451 (cmpstrnsi): Do not generate cld insn.
1452 (cmpstrnqi_nz_1): Do not use DIRFLAG_REG.
1453 (*cmpstrnqi_nz_1): Ditto.
1454 (*cmpstrnqi_nz_rex_1): Ditto.
1455 (cmpstrnqi_1): Ditto.
1456 (*cmpstrnqi_1): Ditto.
1457 (*cmpstrnqi_rex_1): Ditto.
1458 (strlenqi_1): Ditto.
1459 (*strlenqi_1): Ditto.
1460 (*strlenqi_rex_1): Ditto.
1462 * config/i386/geode.md (shift): Do not depend on cld type attribute.
1463 * config/i386/pentium.md (pent_cld): Remove insn reservation.
1464 * config/i386/athlon.md (athlon_decode): Do not depend on cld
1466 * config/i386/ppro.md (ppro_cld): Remove insn reservation.
1467 * config/i386/k6.md (k6_alux_only): Do not depend on cld type
1469 (k6_alux_only_load): Ditto.
1470 (k6_alux_only_store): Ditto.
1472 * config/i386/i386.c (ix86_expand_movmem): Remove cld_done boolean.
1473 Do not emit cld instruction.
1474 (ix86_expand_setmem): Ditto.
1475 (ix86_expand_strlen): Do not emit cld instruction.
1477 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
1479 * config/bfin/bfin.c (bfin_rtx_costs): Add a number of new cases, tweak
1482 2006-12-06 Diego Novillo <dnovillo@redhat.com>
1484 * gdbinit.in: Set complaints to 0.
1486 2006-12-06 Jan Hubicka <jh@suse.cz>
1488 * statistics.h (ALONE_PASS_MEM_STAT, ALONE_MEM_STAT_INFO,
1489 ALONE_MEM_STAT_DECL): New macros.
1490 * bitmap.h: Include statistics.h
1491 (struct bitmap_head_def): Add variant with pointer to bitmap descriptor.
1492 (bitmap_initialize_stat): Rename from bitmap_initialize; add statistics.
1493 (bitmap_obstack_alloc_stat, bitmap_gc_alloc_stat): Declare.
1494 * bitmap.c: Include hashtab.h
1495 (bitmap_descriptor): New.
1496 (bitmap_hash): New static variable
1497 (hash_descriptor, eq_descriptor, bitmap_descriptor, register_overhead):
1498 New static functions.
1499 (bitmap_register): New.
1500 (bitmap_element_free, bitmap_element_allocate, bitmap_elt_clear_from,
1501 bitmap_obstack_release): Do accounting.
1502 (bitmap_obstack_alloc_stat): Rename from bitmap_obstack_alloc ; do
1504 (bitmap_gc_alloc_stat): Likewise.
1505 (bitmap_obstack_free, bitmap_find_bit): Do statictics.
1506 (print_statistics, dump_bitmap_statistics): New functions.
1507 * toplev.c (finalize): Dump bitmap statistics.
1509 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
1511 * reload1.c (delete_output_reload): Count occurrences in
1512 CALL_INSN_FUNCTION_USAGE.
1513 * rtlanal.c (count_occurrences): Handle EXPR_LIST nodes without
1514 crashing at the end of the list.
1516 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
1518 * tree-ssa-structalias.c (set_used_smts): Re-fix pr29156.
1519 Optimize to avoid marking more SMT's as used when they aren't.
1521 2006-12-05 Eric Christopher <echristo@apple.com>
1523 * config/i386/i386.c (x86_output_aligned_bss): Move out
1524 of COMMON_ASM_OP ifdef.
1526 2006-12-05 Eric Christopher <echristo@apple.com>
1528 * config/darwin.h (DARWIN_EXTRA_SPECS): New.
1529 (STARTFILE_SPEC): Use.
1530 (DARWIN_DYLIB1_SPEC): New.
1531 (DARWIN_CRT1_SPEC): New.
1532 * config/i386/darwin64.h (SUBTARGET_EXTRA_SPECS): Use
1534 * config/i386/darwin.h: Ditto.
1535 * config/rs6000/darwin.h: Ditto.
1537 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
1539 * tree-vrp.c (pass_vrp): Remove PROP_smt_usage.
1540 * tree-complex.c (pass_lower_complex): Ditto.
1541 * tree-ssa-ccp.c (pass_ccp): Ditto.
1542 (pass_store_ccp): Ditto.
1543 * tree-ssa-dom.c (pass_dominator): Ditto.
1544 (pass_phi_only_cprop): Ditto.
1545 * tree-sra.c (pass_sra): Ditto.
1546 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
1547 * tree-flow.h (updating_used_alone): Remove.
1548 (updating_used_alone): Ditto.
1549 * tree-ssa-alias.c (updating_used_alone): Remove variable.
1550 (lhs_may_store_to): Remove function.
1551 (recalculate_used_alone): Ditto.
1552 (compute_may_aliases): Remove used_alone calculation.
1553 * tree.h (struct tree_memory_tag): Remove is_used_alone and
1554 old_used_alone. Remove SMT_USED_ALONE and SMT_OLD_USED_ALONE.
1555 * tree-pass.h (PROP_smt_usage): Remove.
1556 * passes.c (execute_todo): Remove used alone recalculation.
1557 (execute_one_pass): Ditto.
1558 * tree-ssa-operands.c (add_virtual_operand): Remove used_alone
1561 2006-12-05 Brooks Moses <brooks.moses@codesourcery.com>
1563 * doc/include/texinfo.tex: Update to version 2006-11-08.17.
1565 2006-12-05 Zdenek Dvorak <dvorakz@suse.cz>
1567 PR tree-optimization/14784
1568 * tree-ssa-operands.c (access_can_touch_variable): Unrevert the fix.
1570 2006-12-05 Aldy Hernandez <aldyh@redhat.com>
1572 Merge from gimple-tuples-branch.
1574 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1576 * config/s390/s390.c (s390_va_start): Replace MODIFY_EXPR with
1578 (s390_gimplify_va_arg): Same.
1579 * config/sparc/sparc.c (sparc_gimplify_va_arg): Same.
1580 * config/sh/sh.c (sh_va_start): Same.
1581 (sh_gimplify_va_arg_expr): Same.
1582 * config/xtensa/xtensa.c (xtensa_va_start): Same.
1583 (xtensa_gimplify_va_arg_expr): Same.
1584 * config/ia64/ia64.c (ia64_gimplify_va_arg): Same.
1585 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Same.
1586 * config/mips/mips.c (mips_va_start): Same.
1587 (mips_gimplify_va_arg_expr): Same.
1589 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1591 * Merge from mainline at revision 119445.
1593 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1595 * config/spu/spu.c (spu_va_start): Change MODIFY_EXPR to
1597 (spu_gimplify_va_arg_expr): Same.
1599 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1601 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1602 Change uses of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
1603 (xstormy16_expand_builtin_va_arg): Same.
1605 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1607 * config/frv/frv.c (frv_expand_builtin_va_start): Change MODIFY_EXPR
1608 to GIMPLE_MODIFY_STMT.
1610 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1612 * config/alpha/alpha.c (va_list_skip_additions): Change all
1613 occurrences of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
1614 (alpha_va_start): Same.
1615 (alpha_gimplify_va_arg_1): Same.
1616 (alpha_gimplify_va_arg): Same.
1618 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
1620 * gimplify.c (gimplify_modify_expr): Remove FIXME comment.
1622 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
1624 * tree-ssa-loop-im.c: Rename all PROTECTED_TREE_OPERAND to
1625 GENERIC_TREE_OPERAND, and all PROTECTED_TREE_TYPE to
1627 * tree-complex.c: Same.
1628 * tree-pretty-print.c: Same.
1632 * fold-const.c: Same.
1633 * tree-ssa-dom.c: Same.
1634 * tree-ssa-propagate.c: Same.
1635 * tree-ssa-alias.c: Same.
1636 * gimple-low.c: Same.
1637 * dwarf2out.c: Same.
1638 * c-pretty-print.c: Same.
1640 * tree-inline.c: Same.
1641 * tree-outof-ssa.c: Same.
1642 * tree-ssa-structalias.c: Same.
1643 * tree-ssa-reassoc.c: Same.
1646 2006-11-16 Aldy Hernandez <aldyh@redhat.com>
1648 * tree.c (build2_stat): Fix comment.
1650 2006-11-13 Aldy Hernandez <aldyh@redhat.com>
1652 * tree-ssa-propagate.c (get_rhs): Use GIMPLE_MODIFY_STMT and
1653 TREE_OPERAND when appropriate.
1655 2006-11-04 Aldy Hernandez <aldyh@redhat.com>
1657 * java/java-tree.h (lang_tree_node): Handle gimple tuples.
1658 (EXPR_WFL_EMIT_LINE_NOTE): Look inside base.
1659 (EXPR_WFL_LINECOL): Use EXPR_LOCUS macro instead of exp.locus.
1660 * java/java-gimplify.c (java_gimplify_expr): Comment on why we do
1661 not handle GIMPLE_MODIFY_STMT in the switch statement.
1662 (java_gimplify_modify_expr): Call build2 with GIMPLE_MODIFY_STMT.
1663 (java_gimplify_new_array_init): Same.
1665 2006-11-03 Aldy Hernandez <aldyh@redhat.com>
1667 * gimplify.c (gimplify_omp_for): Allow gimple statements.
1668 * tree-outof-ssa.c (check_replaceable): Use PROTECTED_TREE_OPERAND.
1669 * fold-const.c (fold_binary): Allow gimple statements.
1671 * fortran/trans-array.c (gfc_conv_descriptor_data_set_internal):
1672 Rename from gfc_conv_descriptor_data_set.
1673 Call gfc_add_modify instead of gfc_add_modify_expr.
1674 * fortran/trans-array.h (gfc_conv_descriptor_data_set_internal):
1675 Rename from gfc_conv_descriptor_data_set.
1676 (gfc_conv_descriptor_data_set): New macro.
1677 (gfc_conv_descriptor_data_set_tuples): New macros.
1678 * fortran/trans-openmp.c (gfc_omp_clause_default_ctor): Call
1679 gfc_conv_descriptor_data_set_tuples.
1680 * fortran/trans.c (gfc_add_modify): Rename from gfc_add_modify_expr.
1681 Generate GIMPLE_MODIFY_STMT when appropriate.
1682 * fortran/trans.h (gfc_add_modify): Rename from gfc_add_modify_expr.
1683 (gfc_add_modify_expr): New macro.
1684 (gfc_add_modify_stmt): New macro.
1685 * fortran/f95-lang.c (lang_tree_node): Handle gimple statements.
1687 2006-11-01 Aldy Hernandez <aldyh@redhat.com>
1689 * Merge from mainline at revision 118200.
1691 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1693 * tree-inline.c (copy_bb): Check for GIMPLE_MODIFY_STMT, and adjust
1696 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1698 * tree.h (TREE_CHAIN, TREE_TYPE): Add versions for non GCC or not
1700 Also, add __extension__ to GCC versions.
1701 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1702 * tree-inline.c (copy_tree_r): Initialize chain to assuage the warning
1705 2006-10-05 Aldy Hernandez <aldyh@redhat.com>
1707 * tree-complex.c (expand_complex_libcall): Adjust for
1709 (expand_complex_comparison): Same.
1710 * tree-pretty-print.c (dump_generic_node): Is_expr should include
1711 GIMPLE_STMT_P statements.
1712 * value-prof.c (tree_divmod_fixed_value_transform): Adjust for
1714 (tree_mod_pow2_value_transform): Same.
1715 (tree_mod_subtract_transform): Same.
1716 * tree.c (build2_stat): Check for gimplified function in cfun.
1717 * tree.h (DECL_GIMPLIFIED): Delete.
1718 (struct tree_function_decl): Remove gimplified_flag.
1719 * omp-low.c (lower_omp_for): Adjust for GIMPLE_MODIFY_STMT.
1720 * cp/cp-gimplify.c (cp_gimplify_expr): Adjust for GIMPLE_MODIFY_STMT.
1721 (cxx_omp_clause_apply_fn): Adjust for GIMPLE_MODIFY_STMT.
1722 (cxx_omp_clause_copy_ctor): Same.
1723 (cxx_omp_clause_assign_op): Same.
1724 * c-pretty-print.c (pp_c_conditional_expression): Same.
1725 (pp_c_expression): Same.
1726 * langhooks.c (lhd_omp_predetermined_sharing): Same.
1727 * function.h (struct function): Add gimplified field.
1728 * tree-if-conv.c (add_to_dst_predicate_list): Adjust for
1730 (find_phi_replacement_condition): Same.
1731 * gimplify.c (gimplify_modify_expr_to_memcpy): Same.
1732 (gimplify_modify_expr_to_memset): Same.
1733 (gimplify_init_ctor_eval_range): Same.
1734 (gimplify_modify_expr_complex_part): Same.
1735 (tree_to_gimple_tuple): Same.
1736 (gimplify_modify_expr): Same.
1737 (gimple_push_cleanup): Same.
1738 (gimplify_omp_for): Same.
1739 (gimplify_omp_atomic_pipeline): Same.
1740 (gimplify_omp_atomic_mutex): Same.
1741 (gimplify_expr): Same.
1742 (gimplify_one_sizepos): Same.
1743 (gimplify_function_tree): Same.
1744 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Same.
1745 (vect_recog_widen_sum_pattern): Same.
1746 * tree-vect-transform.c (get_initial_def_for_reduction): Same.
1747 (vect_create_epilog_for_reduction): Same.
1748 (vectorizable_reduction): Same.
1750 2006-09-28 Aldy Hernandez <aldyh@redhat.com>
1752 * tree-ssa-math-opts.c (replace_reciprocal): Use GIMPLE_STMT_OPERAND.
1753 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p): Same.
1754 (ifc_temp_var): Same.
1755 * tree-vect-analyze.c (vect_determine_vectorization_factor): Check
1756 for gimple statements.
1757 (vect_analyze_operations): Same.
1758 (exist_non_indexing_operands_for_use_p): Use GIMPLE_STMT_OPERAND.
1759 * gimplify.c (gimplify_return_expr): Handle gimple statements.
1760 * lambda-code.c (can_put_in_inner_loop): Same.
1761 (can_put_after_inner_loop): Same.
1762 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
1763 (vect_create_data_ref_ptr): Same.
1764 (vect_init_vector): Same.
1765 (vect_get_vec_def_for_operand): Same.
1766 (vect_create_epilog_for_reduction): Same.
1767 (vectorizable_reduction): Same.
1768 (vectorizable_assignment): Same.
1769 (vectorizable_operation): Same.
1770 (vectorizable_load): Same.
1771 (vectorizable_condition): Same.
1772 * config/rs6000/rs6000.c (rs6000_va_start): Do not create MODIFY_EXPRs.
1773 (rs6000_gimplify_va_arg): Same.
1775 2006-09-25 Aldy Hernandez <aldyh@redhat.com>
1777 * tree-vrp.c (simplify_div_or_mod_using_ranges): Use
1778 GIMPLE_STMT_OPERAND.
1779 (simplify_abs_using_ranges): Same.
1780 * tree-complex.c (expand_complex_operations_1): Use
1781 PROTECTED_TREE_OPERAND.
1782 * tree-ssa-loop-niter.c (simplify_replace_tree): Check for gimple
1784 (get_val_for): Use GIMPLE_STMT_OPERAND.
1785 * tree-tailcall.c (adjust_accumulator_values): Same.
1786 (adjust_return_value): Same.
1787 * tree.c (walk_tree): Use IS_GIMPLE_STMT_CODE_CLASS on default
1788 case. Remove special case for tcc_gimple_stmt.
1789 * tree.h (CAN_HAVE_LOCATION_P): New.
1790 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Check for
1792 * tree-stdarg.c (va_list_counter_bump): Use GIMPLE_STMT_OPERAND.
1793 * tree-ssa-dom.c (propagate_rhs_into_lhs): Same.
1794 * tree-nrv.c (execute_return_slot_opt): Same.
1795 * tree-ssa-alias.c (count_uses_and_derefs): Check for GIMPLE_STMT_P.
1796 * tree-vn.c (set_value_handle): Same.
1797 (get_value_handle): Same.
1798 * c-decl.c (add_stmt): Use CAN_HAVE_LOCATION_P.
1799 * tree-vectorizer.c (find_loop_location): Same.
1800 * c-typeck.c (c_process_expr_stmt): Same.
1801 (c_finish_stmt_expr): Same.
1802 * gimplify.c (should_carry_locus_p): Same.
1803 (tree_to_gimple_tuple): Delete definition and use of unecessary
1804 variable save_tree_block.
1805 * tree-ssa-pre.c (phi_translate): Check for GIMPLE_STMT_P.
1806 (create_expression_by_pieces): Use GIMPLE_STMT_OPERAND.
1807 (realify_fake_stores): Same.
1808 * tree-ssa-forwprop.c (forward_propagate_addr_into_variable_arr):
1810 * tree-inline.c (copy_body_r): Check for EXPR_P and GIMPLE_STMT_P.
1811 (copy_tree_r): Check for IS_GIMPLE_STMT_CODE_CLASS.
1812 * tree-cfg.c (move_stmt_r): Use EXPR_P. Check for GIMPLE_STMT_P.
1813 * c-parser.c (c_parser_typeof_specifier): Use CAN_HAVE_LOCATION_P.
1814 (c_parser_statement_after_labels): Same.
1815 (c_parser_paren_condition): Same.
1816 (c_parser_for_statement): Same.
1817 (c_parser_omp_for_loop): Same.
1818 * tree-ssa-reassoc.c (linearize_expr): Use GIMPLE_STMT_OPERAND.
1819 (linearize_expr_tree): Same.
1820 * dwarf2out.c (reference_to_unused): Check for GIMPLE_STMT_P.
1821 * function.c (instantiate_expr): Same.
1823 2006-09-22 Aldy Hernandez <aldyh@redhat.com>
1825 * tree.c (expr_location): Use GIMPLE_STMT_LOCUS.
1826 (set_expr_location): Same.
1828 (set_expr_locus): Same.
1829 (expr_filename): Same.
1830 (expr_lineno): Same.
1831 (tree_block): Use GIMPLE_STMT_BLOCK.
1832 (protected_tree_operand): Use GIMPLE_STMT_OPERAND.
1833 * tree.h (struct gimple_stmt): Remove prev and next.
1834 (GIMPLE_STMT_OPERAND_CHECK): New.
1835 (TREE_TO_GIMPLE_STMT): Delete.
1836 (GIMPLE_STMT_TO_TREE): Delete.
1837 (GIMPLE_STMT_OPERAND): Use union, not cast.
1838 (GIMPLE_STMT_LOCUS): New.
1839 (GIMPLE_STMT_BLOCK): New.
1840 * gimplify.c (tree_to_gimple_tuple): Use union. Do not cast
1842 * tree-cfg.c (verify_gimple_tuples_1): Call gcc_unreachable.
1844 2006-09-21 Aldy Hernandez <aldyh@redhat.com>
1846 * tree-into-ssa.c (REGISTER_DEFS_IN_STMT): Change common.base
1848 * tree-tailcall.c (adjust_return_value): Same.
1849 * tree.c (tree_code_size): Remove GIMPLE_STATEMENT_LIST case.
1850 (copy_node_stat): Change common.base to base.
1851 (tree_node_structure): Return TS_GIMPLE_STATEMENT for tcc_gimple_stmt.
1852 Remove GIMPLE_STATEMENT_LIST case.
1853 * tree.h (struct gimple_stmt): Make operands of type tree.
1854 (TREE_CODE, TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
1855 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
1856 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
1857 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
1858 TYPE_CACHED_VALUES_P, TREE_SIDE_EFFECTS, FORCED_LABEL,
1859 TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
1860 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
1861 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN, TREE_USED,
1862 TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT, DECL_BY_REFERENCE,
1863 CALL_FROM_THUNK_P, TYPE_ALIGN_OK, TREE_PRIVATE, TREE_PROTECTED,
1864 TREE_DEPRECATED, IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
1865 TREE_LANG_FLAG_*, SSA_NAME_OCCURS_IN_ABNORMAL_PHI,
1866 SSA_NAME_IN_FREE_LIST, TYPE_VOLATILE, TYPE_READONLY, BINFO_VIRTUAL_P):
1867 Change common.base to base.
1868 (GIMPLE_STATEMENT_LIST*): Remove.
1869 (union tree_node): Add base. Remove gimple_statement_list.
1870 Remove pointer from gstmt.
1871 * tree-ssa-propagate.c (set_rhs): Change common.base to base.
1872 * treestruct.def: Add TS_BASE. Remove TS_GIMPLE_STATEMENT_LIST.
1873 * tree-vn.c (vn_compute): Change common.base to base.
1874 * tree-eh.c (verify_eh_throw_stmt_node): Same.
1875 * tree-flow-inline.h (var_ann): Same.
1876 (function_ann): Same.
1878 (mark_non_addressable): Same.
1879 * gimplify.c (tree_to_gimple_tuple): Same.
1880 * tree.def (DEFTREECODE): Remove GIMPLE_STATEMENT_LIST.
1881 * tree-dfa.c (create_var_ann): Change common.base to base.
1882 (create_function_ann): Same.
1883 (create_stmt_ann): Same.
1884 (create_tree_ann): Same.
1885 (collect_dfa_stats_r): Same.
1886 * tree-ssa-pre.c (NECESSARY): Change common.base to base.
1887 * tree-ssa-dce.c (NECESSARY): Same.
1888 * tree-ssa.c (delete_tree_ssa): Same.
1889 * tree-optimize.c (execute_free_cfg_annotations): Same.
1890 * tree-flow.h: Same.
1892 2006-09-19 Aldy Hernandez <aldyh@redhat.com>
1894 * tree.c (tree_code_size): Handle GIMPLE_STATEMENT_LIST.
1895 (tree_node_structure): Handle GIMPLE_STATEMENT_LIST and
1897 * tree.h (struct gimple_stmt): Add prev and next fields.
1898 (GIMPLE_STMT_TO_TREE): Cast, do not call GIMPLE_STMT_CHECK.
1899 (GIMPLE_STATEMENT_LIST_HEAD): New.
1900 (GIMPLE_STATEMENT_LIST_TAIL): New.
1901 (struct gimple_statement_list): New.
1902 (union tree_node): Add gimple_stmt_list and gstmt.
1903 * treestruct.def: Add TS_GIMPLE_STATEMENT_LIST, TS_GIMPLE_STATEMENT.
1904 * tree.def: Add GIMPLE_STATEMENT_LIST.
1906 2006-09-06 Aldy Hernandez <aldyh@redhat.com>
1908 * tree-dump.c (dequeue_and_dump): Handle GIMPLE_MODIFY_STMT.
1909 * tree-vrp.c (build_assert_expr_for): Change uses of
1910 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
1911 (find_assert_locations): Same.
1912 (remove_range_assertions): Same.
1913 (stmt_interesting_for_vrp): Same.
1914 (vrp_visit_assignment): Same.
1915 (vrp_visit_stmt): Same.
1916 (simplify_cond_using_ranges): Same.
1917 * tree-into-ssa.c (REGISTER_DEFS_IN_THIS_STMT): Adjust for new
1919 * tree-ssa-loop-im.c (movement_possibility): Change uses of
1920 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
1922 (determine_invariantness_stmt): Same.
1923 (schedule_sm): Same.
1924 (gather_mem_refs_stmt): Same.
1925 * tree-complex.c (init_dont_simulate_again): Same.
1926 (complex_visit_stmt): Same.
1927 (set_component_ssa_name): Same.
1928 (expand_complex_move): Same.
1929 (expand_complex_div_wide): Same.
1930 (expand_complex_comparison): Same.
1931 (expand_complex_operations_1): Same.
1932 * tree-ssa-loop-niter.c (expand_simple_operations): Same.
1933 (chain_of_csts_start): Same.
1934 (infer_loop_bounds_from_undefined): Same.
1935 * tree-pretty-print.c (dump_generic_node): Same.
1937 (op_symbol_1): Same.
1938 * tree-ssa-loop-manip.c (create_iv): Same.
1939 * value-prof.c (tree_divmod_fixed_value): Same.
1940 (tree_divmod_fixed_value_transform): Same.
1941 (tree_mod_pow2): Same.
1942 (tree_mod_pow2_value_transform): Same.
1943 (tree_mod_subtract): Same.
1944 (tree_mod_subtract_transform): Same.
1945 (tree_divmod_values_to_profile): Same.
1946 * tree-tailcall.c (process_assignment): Same.
1947 (find_tail_calls): Same.
1948 (adjust_accumulator_values): Same.
1949 (adjust_return_value): Same.
1950 (eliminate_tail_call): Same.
1951 * tree.c (tree_code_size): Handle tcc_gimple_stmt.
1952 (make_node_stat): Same.
1953 (copy_node_stat): Handle gimple tuples.
1954 (expr_align): Handle GIMPLE_MODIFY_STMT. Abort on MODIFY_EXPR.
1955 (tree_node_structure): Handle tcc_gimple_stmt.
1956 (build2_stat): Abort on MODIFY_EXPR after gimplification. Handle
1958 (build2_gimple_stat): New.
1959 (expr_location): New.
1960 (set_expr_location): New.
1961 (expr_has_location): New.
1963 (set_expr_locus): New.
1964 (expr_filename): New.
1966 (walk_tree): Handle tcc_gimple_stmt.
1968 (protected_tree_operand): New.
1969 (protected_tree_type): New.
1970 (tree_code_kind): Add gimple statements.
1971 * tree.h (tree_code_class): Add tcc_gimple_stmt.
1972 (IS_GIMPLE_STMT_CODE_CLASS): New.
1973 (struct tree_base): New.
1974 (struct tree_common): Shrink.
1975 (struct gimple_stmt): New.
1976 (struct gimple_expr): New.
1977 (TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
1978 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
1979 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
1980 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
1981 TYPE_CACHED_VALUES_P, SAVE_EXPR_RESOLVED_P, TREE_SIDE_EFFECTS,
1982 FORCED_LABEL, TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
1983 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
1984 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN,
1985 TREE_USED, TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT,
1986 DECL_BY_REFERENCE, CALL_FROM_THUNK_P, TYPE_ALIGN_OK,
1987 TREE_PRIVATE, TREE_PROTECTED, TREE_DEPRECATED,
1988 IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
1989 TREE_LANG_FLAG_[0-6], SSA_NAME_CHECK, SSA_NAME_IN_FREE_LIST,
1990 TYPE_VOLATILE, TYPE_READONLY, TREE_VISITED, BINFO_VIRTUAL_P):
1991 Adjust for new `common' layout.
1992 (struct tree_function_decl): Add gimplified_flag.
1993 (DECL_GIMPLIFIED): NEW.
1994 (EXPR_LOCATION, SET_EXPR_LOCUS, EXPR_FILENAME, EXPR_LOCUS,
1995 SET_EXPR_LOCUS, SET_EXPR_LOCATION, EXPR_LINENO,
1996 EXPR_HAS_LOCATION): Call corresponding function.
1997 (GIMPLE_STMT_CHECK): New.
1998 (TREE_OPERAND_CHECK, TREE_TYPE, TREE_CHAIN): Abort on gimple tuples.
1999 (TREE_BLOCK): Call tree_block.
2000 (GIMPLE_STMT_P): New.
2001 (GIMPLE_TUPLE_P): New.
2002 (TREE_TO_GIMPLE_STMT): New.
2003 (GIMPLE_STMT_TO_TREE): New.
2004 (GIMPLE_STMT_OPERAND): New.
2005 (GIMPLE_TUPLE_HAS_LOCUS_P): New.
2006 (PROTECTED_TREE_OPERAND): New.
2007 (PROTECTED_TREE_TYPE): New.
2008 (build2_gimple_stat): Protoize.
2009 (build2_gimple): New.
2010 (expr_location): Protoize.
2011 (set_expr_location): Protoize.
2012 (expr_has_location): Protoize.
2013 (expr_locus): Protoize.
2014 (set_expr_locus): Protoize.
2015 (expr_filename): Protoize.
2016 (expr_lineno): Protoize.
2017 (tree_block): Protoize.
2018 (protected_tree_operand): Protoize.
2019 (protected_tree_type): Protoize.
2020 (enum tree_node_kind): Add gimple_stmt_kind.
2021 * c-decl.c (union lang_tree_node): Tuples do not have a
2023 * ipa-cp.c (constant_val_insert): Change uses of MODIFY_EXPR to
2024 GIMPLE_MODIFY_STMT and adjust accordingly.
2025 * tree-scalar-evolution.c (follow_ssa_edge): Same.
2026 (interpret_condition_phi): Same.
2027 (pointer_used_p): Same.
2028 (analyze_scalar_evolution_1): Same.
2029 (scev_const_prop): Same.
2030 (interpret_rhs_modify_stmt): Rename from
2031 interpret_rhs_modify_expr.
2032 * builtins.c (std_expand_builtin_va_start): Change uses of
2033 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2034 (std_gimplify_va_arg_expr): Same.
2035 (expand_builtin_va_copy): Same.
2036 (integer_valued_real_p): Same.
2037 * fold-const.c (maybe_lvalue_p): Same.
2039 (tree_expr_nonnegative_p): Same.
2040 (tree_expr_nonzero_p): Same.
2041 * omp-low.c (extract_omp_for_data): Same.
2042 (lower_rec_input_clauses): Same.
2043 (lower_reduction_clauses): Same.
2044 (lower_copyprivate_clauses): Same.
2045 (lower_send_clauses): Same.
2046 (lower_send_shared_vars): Same.
2047 (expand_parallel_call): Same.
2048 (expand_omp_parallel): Same.
2049 (expand_omp_for_generic): Same.
2050 (expand_omp_for_static_nochunk): Same.
2051 (expand_omp_for_static_chunk): Same.
2052 (expand_omp_sections): Same.
2053 (lower_omp_single_copy): Same.
2054 (lower_omp_parallel): Same.
2055 * tree-ssa-dse.c (memory_address_same): Same.
2056 (dse_optimize_stmt): Same.
2057 * ipa-reference.c (scan_for_static_refs): Same.
2058 * tree-gimple.c (is_gimple_reg_rhs): Same.
2059 (get_call_expr_in): Same.
2060 (recalculate_side_effects): Same.
2061 * cgraphunit.c (cgraph_create_edges): Same.
2062 * tree-ssa-copyrename.c (rename_ssa_copies): Same.
2063 * tree-ssa-ccp.c (get_default_value): Same.
2064 (likely_value): Same.
2065 (visit_assignment): Same.
2066 (ccp_visit_stmt): Same.
2067 (get_maxval_strlen): Same.
2068 (ccp_fold_builtin): Same.
2069 * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Same.
2070 (find_givs_in_stmt): Same.
2071 (find_interesting_uses_op): Same.
2072 (find_interesting_uses_stmt): Same.
2073 (rewrite_use_nonlinear_expr): Same.
2074 * ipa-pure-const.c (scan_function): Same.
2075 * tree-stdarg.c (va_list_counter_bump): Same.
2076 (check_all_va_list_escapes): Same.
2077 (execute_optimize_stdarg): Same.
2078 * tree-ssa-math-opts.c (compute_merit): Same.
2079 (insert_reciprocals): Same.
2080 (execute_cse_reciprocals): Same.
2081 * tree-ssa-dom.c (initialize_hash_element): Same.
2082 (simple_iv_increment_p): Same.
2083 (record_equivalences_from_stmt): Same.
2084 (optimize_stmt): Same.
2085 (remove_stmt_or_phi): Same.
2086 (get_rhs_or_phi_arg): Same.
2087 (get_lhs_or_phi_result): Same.
2088 (propagate_rhs_into_lhs): Same.
2089 * tree-nrv.c (tree_nrv): Same.
2090 (execute_return_slot_opt): Same.
2091 * tree-ssa-propagate.c (get_rhs): Same.
2093 (stmt_makes_single_load): Same.
2094 (stmt_makes_single_store): Same.
2095 (replace_vuses_in): Same.
2096 (fold_predicate_in): Same.
2097 (substitute_and_fold): Same.
2098 * tree-ssa-alias.c (compute_call_clobbered): Same.
2099 (recalculate_used_alone): Same.
2100 (count_uses_and_derefs): Same.
2101 (is_escape_site): Same.
2102 (find_used_portions): Same.
2103 * gimple-low.c (lower_stmt): Same.
2104 (block_may_fallthru): Same.
2105 (lower_return_expr): Same.
2106 * tree-ssa-sink.c (is_hidden_global_store): Same.
2107 (statement_sink_location): Same.
2108 * dwarf2out.c (loc_descriptor_from_tree_1): Same.
2109 * expr.c (safe_from_p): Same.
2110 (expand_expr_real): Same.
2111 (expand_expr_real_1): Same.
2112 * tree-ssa-loop-ivcanon.c (empty_loop_p): Same.
2113 * predict.c (expr_expected_value): Same.
2114 (strip_builtin_expect): Same.
2115 (apply_return_prediction): Same.
2116 (tree_bb_level_predictions): Same.
2117 (tree_estimate_probability): Same.
2118 * tree-vn.c (vn_compute): Same.
2119 * tree-eh.c (add_stmt_to_eh_region_fn): Same.
2120 (remove_stmt_from_eh_region_fn): Same.
2121 (do_return_redirection): Same.
2122 (honor_protect_cleanup_actions): Same.
2123 (lower_try_finally_switch): Same.
2124 (lower_eh_constructs_1): Same.
2125 (tree_could_throw_p): Same.
2126 (verify_eh_throw_stmt_node): Same.
2127 * function.c (gimplify_parameters): Same.
2128 * tree-vectorizer.c (vect_is_simple_use): Same.
2129 (vect_is_simple_reduction): Same.
2130 * ipa-type-escape.c (scan_for_refs): Same.
2131 * tree-if-conv.c (tree_if_conversion): Same.
2132 (tree_if_convert_stmt): Same.
2133 (if_convertible_gimplify_modify_stmt_p): Rename from
2134 if_convertible_modify_expr_p.
2135 (if_convertible_stmt_p): Adjust for GIMPLE_MODIFY_STMT.
2136 (ifc_temp_var): Same.
2137 (replace_phi_with_cond_modify_stmt): Rename from
2138 replace_phi_with_cond_modify_expr.
2139 (process_phi_nodes): Call replace_phi_with_cond_modify_stmt.
2140 * tree.def (DEFTREECODE): Add GIMPLE_MODIFY_STMT.
2141 * tree-data-ref.c (find_data_references_in_loop): Adjust for
2143 * tree-flow-inline.h (var_ann): Same.
2144 (function_ann): Same.
2146 (mark_non_addressable): Same.
2147 * tree-vect-analyze.c (vect_determine_vectorization_factor): Same.
2148 * gimplify.c (tree_to_gimple_tuple): New.
2149 (build_stack_save_restore): Adjust for GIMPLE_MODIFY_STMT.
2150 (gimplify_return_expr): Same.
2151 (gimplify_decl_expr): Same.
2152 (gimplify_self_mod_expr): Same.
2153 (gimplify_cond_expr): Same.
2154 (gimplify_init_constructor): Same.
2155 (gimplify_modify_expr): Same.
2156 (gimplify_expr): Same.
2157 (gimplify_function_tree): Same.
2158 (force_gimple_operand): Same.
2159 * tree-ssa-phiopt.c (conditional_replacement): Same.
2160 (minmax_replacement): Same.
2161 (abs_replacement): Same.
2162 * tree-dfa.c (create_var_ann): Same.
2163 (create_function_ann): Same.
2164 (create_stmt_ann): Same.
2165 (create_tree_ann): Same.
2166 (collect_dfa_stats_r): Same.
2167 * tree-ssa-pre.c (find_or_generate_expression): Same.
2168 (create_expression_by_pieces): Same.
2169 (try_look_through_load): Same.
2170 (insert_fake_stores): Same.
2171 (realify_fake_stores): Same.
2172 (compute_avail): Same.
2175 (poolify_modify_stmt): Rename from poolify_modify_stmt.
2176 Adjust for GIMPLE_MODIFY_STMT.
2177 (NECESSARY): Adjust for new `common' layout.
2178 * tree-ssa-live.c (build_tree_conflict_graph): Adjust for
2180 * tree-sra.c (sra_walk_modify_stmt): Rename from
2181 sra_walk_modify_expr.
2182 (sra_walk_function): Adjust for GIMPLE_MODIFY_STMT.
2183 (generate_copy_inout): Same.
2184 (generate_element_copy): Same.
2185 (generate_element_zero): Same.
2186 (scalarize_copy): Same.
2187 * tree-mudflap.c (mf_decl_cache_locals): Same.
2188 (mf_build_check_statement_for): Same.
2189 (mf_xform_derefs): Same.
2190 * ipa-prop.c (ipa_method_modify_stmt): Same.
2191 * print-tree.c (print_node): Handle gimple tuples.
2192 Add case for tcc_gimple_stmt.
2193 * tree-ssa-copy.c (stmt_may_generate_copy): Adjust for
2195 (copy_prop_visit_assignment): Same.
2196 (copy_prop_visit_stmt): Same.
2197 (init_copy_prop): Same.
2198 * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): Same.
2199 (forward_propagate_into_cond_1): Same.
2200 (find_equivalent_equality_comparison): Same.
2201 (tidy_after_forward_propagate_addr): Same.
2202 (forward_propagate_addr_expr_1): Same.
2203 (simplify_not_neg_expr): Same.
2204 (simplify_switch_expr): Same.
2205 * tree-ssa-dce.c (find_pdom): Same.
2206 (mark_stmt_if_obviously_necessary): Same.
2207 (NECESSARY): Adjust for new `common' layout.
2208 * tree-flow.h: Same.
2209 * tree-vect-patterns.c (widened_name_p): Adjust for
2211 (vect_recog_dot_prod_pattern): Same.
2212 (vect_recog_widen_sum_pattern): Same.
2213 (vect_pattern_recog_1): Same.
2214 * tree-nested.c (init_tmp_var): Same.
2215 (save_tmp_var): Same.
2217 (convert_call_expr): Same.
2218 (finalize_nesting_tree_1): Same.
2219 * tree-ssa.c (verify_ssa): Same.
2220 (delete_tree_ssa): Same.
2221 * lambda-code.c (lbv_to_gcc_expression): Same.
2222 (lle_to_gcc_expression): Same.
2223 (lambda_loopnest_to_gcc_loopnest): Same.
2224 (can_put_in_inner_loop): Same.
2225 (can_convert_to_perfect_nest): Same.
2226 (perfect_nestify): Same.
2227 * tree-ssa-loop-prefetch.c (gather_memory_references): Same.
2228 * tree-inline.c (copy_body_r): Same.
2229 (setup_one_parameter): Same.
2230 (initialize_inlined_parameters): Same.
2231 (estimate_num_insns_1): Same.
2232 (expand_call_inline): Same.
2233 (gimple_expand_calls_inline): Same.
2234 (copy_tree_r): Same.
2235 * tree-optimize.c (execute_free_cfg_annotations): Same.
2236 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
2237 (vect_align_data_ref): Same.
2238 (vect_create_data_ref_ptr): Same.
2239 (vect_init_vector): Same.
2240 (vect_create_epilog_for_reduction): Same.
2241 (vectorizable_reduction): Same.
2242 (vectorizable_assignment): Same.
2243 (vectorizable_operation): Same.
2244 (vectorizable_store): Same.
2245 (vectorizable_load): Same.
2246 (vectorizable_live_operation): Same.
2247 (vectorizable_condition): Same.
2248 (vect_generate_tmps_on_preheader): Same.
2249 (vect_create_cond_for_align_checks): Same.
2250 * tree-object-size.c (collect_object_sizes_for): Same.
2251 (check_for_plus_in_loops_1): Same.
2252 (check_for_plus_in_loops): Same.
2253 * tree-outof-ssa.c (insert_copy_on_edge): Same.
2254 (replace_use_variable): Same.
2255 (check_replaceable): Same.
2256 (rewrite_trees): Same.
2257 (identical_copies_p): Same.
2258 (insert_backedge_copies): Same.
2259 * tree-profile.c (tree_gen_edge_profiler): Same.
2260 * tree-vect-generic.c (expand_vector_operations_1): Same.
2261 * tree-ssa-structalias.c (update_alias_info): Same.
2262 (find_func_aliases): Same.
2263 * tree-cfg.c (factor_computed_gotos): Same.
2265 (make_goto_expr_edges): Same.
2266 (tree_merge_blocks): Same.
2267 (remove_useless_stmts_cond): Same.
2268 (remove_useless_stmts_1): Same.
2269 (tree_find_edge_insert_loc): Same.
2270 (verify_expr): Same.
2271 (gimplify_val): Same.
2272 (verify_gimple_tuples_1): New.
2273 (verify_gimple_tuples): New.
2274 (verify_stmts): Call verify_gimple_tuples.
2275 * tree-ssa-reassoc.c (get_rank): Adjust for GIMPLE_MODIFY_STMT.
2276 (get_unary_op): Same.
2277 (linearize_expr): Same.
2278 (get_single_immediate_use): Same.
2279 (negate_value): Same.
2280 (should_break_up_subtract): Same.
2281 (break_up_subtract): Same.
2282 (repropagate_negates): Same.
2283 (break_up_subtract_bb): Same.
2284 (reassociate_bb): Same.
2285 * config/i386/i386.c (ix86_va_start): Same.
2286 (ix86_gimplify_va_arg): Same.
2287 * stmt.c (expand_expr_stmt): Same.
2288 (warn_if_unused_value): Same.
2289 (expand_return): Same.
2290 * tree-ssanames.c (make_ssa_name): Same.
2291 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Same.
2292 * tree-ssa-operands.c (finalize_ssa_defs): Same.
2293 (add_virtual_operand): Same.
2294 (get_expr_operands): Same.
2295 (parse_ssa_operands): Same.
2296 (get_modify_stmt_operands): Rename from get_modify_expr_operands.
2298 2006-12-05 H.J. Lu <hongjiu.lu@intel.com>
2300 * config.host: Remove extra blank line.
2302 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
2304 * config.host (i[34567]86-*-*, x86-64-*-*): Use driver-i386.o only if
2305 target is also an x86 variant.
2307 2006-12-05 Richard Guenther <rguenther@suse.de>
2309 * config/i386/i386.c (ix86_builtin_vectorized_function): Declare.
2310 (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define.
2311 (ix86_builtin_vectorized_function): New function to vectorize
2314 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
2316 * config/bfin/bfin.c (output_file_start): Fix comment which referred to
2317 ia64_override_options.
2319 2006-12-04 Jan Hubicka <jh@suse.cz>
2321 * cfgexpand.c (expand_one_var): Guard expand_one_stack_var by
2324 2006-12-04 Bernd Schmidt <bernd.schmidt@analog.com>
2326 * rtlanal.c (note_uses): Deal with SEQUENCEs.
2327 * config/bfin/bfin.c: Include "timevar.h".
2328 (bfin_flag_schedule_insns2, splitting_for_sched,
2329 bfin_flag_var_tracking): New variables.
2330 (print_operand): Handle '%!'.
2331 (override_options): Disable normal sched2 pass, instead set
2332 bfin_flag_schedule_insns2 for reorg to handle it.
2333 (output_file_start): Likewise for var-tracking.
2334 (bfin_optimize_loop): Take some care not to stumble over SEQUENCEs.
2335 (gen_one_bundle, bfin_gen_bundles, type_for_anomaly, trapping_loads_p):
2337 (bfin_reorg): Do second scheduling pass here, and call
2338 bfin_gen_bundles. Use type_for_anomaly and trapping_loads_p instead
2339 of examining insns directly. If bfin_flag_var_tracking, call
2340 var-tracking pass when done with everything else.
2341 * config/bfin/bfin.h (PRINT_OPERAND_PUNCT_VALID_P): '!' is valid.
2342 * config/bfin/bfin.md (UNSPEC_32BIT): New constant.
2343 (movsi_insn32): New pattern, with two new splits to create it
2344 before the final scheduling pass.
2345 (neghi2): Not a dsp32 insn, rather alu0.
2346 (movbi, pushsi_insn, popsi_insn, movsi_insn, movv2hi_insn, movhi_insn,
2347 movqi_insn, movsf_insn, movsi_insv, extendhisi2, zero_extendhisi2,
2348 extendqihi2, extendqisi2, zero_extendqihi2, zero_extendqisi2,
2349 mulhisi3, umulhisi3, ssadsi3, sssubsi3, smaxsi3, sminsi3, abssi2,
2350 ssnegsi2, signbitssi2, smaxhi3, sminhi3, abshi2, ssneghi2, signbitshi2,
2351 movhi_low2high, movhi_high2high, movhi_low2low, movhi_high2low,
2352 movhiv2hi_low, movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
2353 ssaddhi3, sssubhi3, addv2hi3, ssaddv2hi3, subv2hi3, sssubv2hi3,
2354 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3, sublohiv2hi3,
2355 subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3, addlohiv2hi3,
2356 addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3, sminv2hi3, smaxv2hi3,
2357 flag_mulhi, flag_mulhisi, flag_mulhisi_parts, flag_machi,
2358 flag_machi_acconly, flag_macinithi, flag_macinit1hi, mulv2hi3,
2359 flag_mulv2hi, flag_mulv2hi_parts, flag_macv2hi_parts,
2360 flag_macv2hi_parts_acconly, flag_macinitv2hi_parts,
2361 flag_macinit1v2hi_parts, mulhisi_ll, mulhisi_lh, mulhisi_hl,
2362 mulhisi_hh, ssnegv2hi2, absv2hi2, ssashiftv2hi3, ssashifthi3,
2363 lshiftv2hi3, lshifthi3): Use '%!' to terminate all dsp32/load/store
2364 variants instead of ';'.
2365 (ror_one, rol_one): Likewise. Make them dsp32 insns.
2366 (ashlsi3_insn, ashrsi3, lshrsi3): Add dsp32 variants.
2367 (align8, align16, align24): Now named patterns; also using '%!'.
2370 2006-12-05 Kazu Hirata <kazu@codesourcery.com>
2372 * config/i386/darwin.h, config/spu/spu.c, tree-ssa-live.c,
2373 tree-vect-generic.c, tree-vect-transform.c: Fix comment typos.
2375 2006-12-04 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2377 * config/spu/spu-protos.c (spu_split_address): Add.
2378 * config/spu/spu.c (spu_split_address): Add.
2379 (print_operand): Handle HIGH.
2380 (spu_legitimate_address): Don't test for aligned CONST.
2381 (spu_expand_mov): Don't split addresses here.
2382 * config/spu/constraints.md (A): Don't test legitimate_const.
2383 * config/spu/spu.md: Add split of movsi patterns for PIC mode.
2384 (ceq_di): Use correct predicates.
2386 2006-12-04 Eric Christopher <echristo@apple.com>
2388 * config/darwin.h: Update copyright notice.
2389 * config/i386/darwin.h: Ditto.
2391 2006-12-04 Jan Hubicka <jh@suse.cz>
2393 * builtins.c (fold_builtin_memory_op): Check that expr_size match.
2394 * explow.c (expr_size, int_expr_size): Assert that size is non_NULL.
2396 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
2398 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Call
2400 * tree-ssa-structalias.c (set_used_smts): Export.
2401 (find_what_p_points_to): Don't call set_used_smts here.
2402 * tree-ssa-structalias.h (set_used_smts): Add prototype.
2404 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
2406 * tree-ssa-alias.c (compute_may_aliases):
2407 Compute flow sensitive before flow insensitive.
2408 (compute_flow_sensitive_aliasing): Don't try to add
2409 a symbol memory tag to itself.
2411 * alias.h (alias_set_subset_of): New prototype.
2413 * alias.c (alias_set_subset_of): New function.
2415 * tree-ssa-structalias.c: Update comments.
2416 (struct variable_info): Add finished_solution.
2417 (new_varinfo): Set finished solution to NULL.
2418 (var_escaped_vars): Remove.
2419 (escaped_vars_tree): Remove.
2420 (escaped_vars_id): Remove.
2421 (nonlocal_vars_id): Remove.
2422 (constraint_expr_type): Add INCLUDES.
2423 (graph_size): Removed.
2424 (dump_constraint): Support INCLUDES.
2425 (build_constraint_graph): Ditto.
2426 (collapse_nodes): Add merge_solutions argument.
2427 Don't merge attributes.
2428 (process_unification_queue): Just use collapse_nodes.
2429 (perform_var_substitution): Update call to collapse_nodes.
2430 (get_constraint_exp_from_ssa_var): Use INCLUDES.
2431 (process_constraint): Fix non-field sensitive handling
2433 (get_constraint_for): Use INCLUDES.
2434 (make_constraint_from_anything): Renamed from
2435 make_constraint_from_escaped.
2436 (make_constraint_to_escaped): Removed.
2437 (find_global_initializers): Removed.
2438 (create_variable_info_for): Do not make constraints to escaped
2440 (dump_solution_for_var): Don't print out the equivalent points-to
2441 sets, just use the name of the variable it shares it with.
2442 (intra_create_variable_infos): Use INCLUDES.
2443 Change nonlocal variable sets to anything sets.
2444 (init_base_vars): Remove escaped_vars and nonlocal_var
2446 (find_escape_constraints): Removed.
2447 (delete_points_to_sets): Remove dead code.
2448 (used_smt_calculated): New variable.
2449 (set_used_smts): New function.
2450 (merge_smts_into): New function.
2451 (find_what_p_points_to): Modify to use SMTs.
2452 (create_nonlocal_var): Remove.
2454 * tree-ssa-operands.c (access_can_touch_variable): Remove
2455 reference to nonlocal_all.
2457 * tree-ssa.c (verify_name_tags): Remove.
2459 2006-12-04 Carlos O'Donell <carlos@codesourcery.com>
2461 * config/arm/unwind-arm.c: Adjust __cxa_type_match declaration.
2462 (__gnu_unwind_pr_common): Pass is_reference to __cxa_type_match.
2464 2006-12-04 Andrew MacLeod <amacleod@redhat.com>
2466 * tree-outof-ssa.c (coalesce_ssa_name): Use calculate_live_ranges.
2467 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info): Update.
2468 (add_livein_if_notdef): Delete.
2469 (loe_visit_block): New. Propogate live on entry info for a block into
2470 each predecessor. If it changes, make sure it is visited again.
2471 (live_worklist): Visit every block and update the live on entry info
2472 for preds. Iterate over any that changed.
2473 (set_var_live_on_entry): Populate the live on entry blocks with bits
2474 based on the immediate uses of a var.
2475 (calculate_live_on_entry): Remove.
2476 (calculate_live_on_exit): Calculate live on exit based on the newly
2477 oriented live on entry bits.
2478 (calculate_live_ranges): Build live on entry and exit vectors.
2479 (dump_live_info): Use new orientation of live on entry bitmaps.
2480 (verify_live_on_entry): New. Split out verification code from old
2481 calculate_live_on_entry routine.
2482 * tree-ssa-live.h (struct tree_live_info_d): Add Working stack.
2483 (live_entry_blocks): Rename to live_on_entry and return bitmap for a
2484 basic_block instead of for a partition.
2485 (live_merge_and_clear): Add asserts.
2486 (make_live_on_entry): Set partition bit in basic block vector.
2488 2006-12-04 Jakub Jelinek <jakub@redhat.com>
2491 * omp-low.c (expand_omp_for_static_nochunk,
2492 expand_omp_for_static_chunk): Do all arithmetics in signed rather than
2496 * omp-low.c (determine_parallel_type): Don't try to optimize combined
2497 parallels if region->exit or region->inner->exit is NULL.
2498 (expand_omp_parallel): Handle NULL region->exit even if cfg is already
2500 (expand_omp_for_generic): Handle NULL region->cond and region->exit.
2501 (expand_omp_for): Use expand_omp_for_generic if either region->cond
2502 or region->exit is NULL.
2503 (expand_omp_sections): Handle NULL region->cond or region->exit.
2506 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2508 * config/sparc/sp64-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
2509 * config/sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
2511 2006-12-04 Eric Botcazou <ebotcazou@adacore.com>
2513 * tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
2514 TYPE_MAX_VALUE for scalar types here but...
2515 (walk_tree): ...there instead. Return NULL_TREE if the TYPE_DECL
2516 is attached an error mark, and the return value of the callback
2517 if it is not NULL_TREE.
2519 2006-12-04 Ben Elliston <bje@au.ibm.com>
2521 * config/spu/spu.md (_mulv4si3): Remove unused local variables.
2523 2006-12-03 Eric Christopher <echristo@apple.com>
2526 * config/t-slibgcc-darwin: Pass -install_name.
2527 * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
2528 libtool. Only pass through options that the linker recognizes.
2529 (LINK_SPEC): Update comment. Translate options.
2530 (STARTFILE_SPEC): Add dylib1.o for shared libraries.
2531 * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
2533 2006-12-03 Dorit Nuzman <dorit@il.ibm.com>
2535 * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
2537 2006-12-03 Uros Bizjak <ubizjak@gmail.com>
2540 * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
2541 operands[1] in insn constraint. Correct type attribute to sselog1.
2543 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
2546 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
2548 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
2549 processor detection.
2551 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
2552 -march=native if there is no -mtune=*.
2554 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
2557 2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2559 * doc/install.texi: Update recommended MPFR version. Remove
2560 obsolete reference to cumulative patch.
2562 2006-12-02 Lee Millward <lee.millward@codesourcery.com>
2565 * c-decl.c (store_parm_decls_oldstyle): Robustify.
2567 2006-11-30 Jan Hubicka <jh@suse.cz>
2568 Uros Bizjak <ubizjak@gmail.com>
2570 * config/i386/i386.c (pentium4_cost, nocona_cost): Update
2571 32bit memcpy/memset decriptors.
2572 (decide_alg): With -minline-all-stringops and sizes that are best
2573 to be copied via libcall still work hard enough to pick non-libcall
2576 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
2578 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
2580 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
2581 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
2582 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
2583 config/sh/sh4-300.md, config/spu/spu-builtins.def,
2584 config/spu/spu-c.c, config/spu/spu-modes.def,
2585 config/spu/spu.c, config/spu/spu.md,
2586 config/spu/spu_internals.h, config/spu/vmx2spu.h,
2587 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
2588 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
2589 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
2590 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
2591 spelling conventions.
2593 * config/i386/i386.c: Fix a comment typo.
2595 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2597 * config/spu/spu.c (spu_immediate): Remove trailing comma.
2598 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
2599 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
2600 better optimization.
2601 (floatv4siv4sf2): New.
2602 (fix_truncv4sfv4si2): New.
2603 (floatunsv4siv4sf2): New.
2604 (fixuns_truncv4sfv4si2): New.
2612 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
2613 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
2614 spu_resolve_overloaded_builtin instead of static inline functions.
2616 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
2618 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
2619 type instead of the size of its mode to compute the highest and
2620 lowest possible values. Still check the size of the mode before
2621 flipping the signedness of the comparison.
2623 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2625 * config/spu/predicates.md (spu_mov_operand): Add.
2626 * config/spu/spu.c (spu_expand_extv): Remove unused code.
2627 (print_operand_address, print_operand): Handle addresses containing AND.
2628 (spu_split_load, spu_split_store): Use updated movti pattern.
2629 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
2630 stores in mov patterns for correct operation of reload.
2631 (lq, lq_<mode>, stq, stq_<mode>): Remove.
2633 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2636 * c-common.c (check_main_parameter_types): Check for error_mark_node.
2638 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
2640 * common.opt (ftree-combine-temps): Remove.
2641 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
2642 (coalesce_ssa_name): Don't check for combine-temps.
2643 (coalesce_vars): Remove.
2644 (check_replaceable): Use num_imm_uses.
2645 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
2646 check for combine-temps.
2647 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
2648 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
2649 to register_ssa_partition calls.
2650 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
2651 (init_var_map, delete_var_map): remove refernces to ref_count.
2652 (create_ssa_var_map): Never calculate a ref count.
2653 (type_var_init): Remove.
2654 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
2655 (SSA_VAR_MAP_REF_COUNT): Delete.
2656 (create_ssa_var_map): Change Prototype to have no parameters.
2657 (version_ref_count): Delete.
2658 (register_ssa_partition): Remove 'is_use' paramater and don't set the
2660 (type_var_num, type_var, type_var_first_partition,
2661 type_var_next_partition, type_var_dump, type_var_delete,
2662 type_var_remove_partition, type_var_find, type_var_compact,
2663 type_var_decompact): Remove.
2665 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
2667 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
2670 2006-12-01 Richard Guenther <rguenther@suse.de>
2673 * dwarf2out.c (struct pubname_struct): Make name const.
2674 (add_pubtype): Do not xstrdup identifiers.
2676 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
2678 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
2679 multiword accesses are in range.
2681 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
2683 PR tree-optimization/29921
2684 * tree-ssa-ccp.c (canonicalize_float_value): New function.
2685 (set_lattice_value): Use canonicalize_float_value.
2687 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
2689 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
2690 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
2691 (spu_cpu_cpp_builtins): Remove.
2692 (spu_override_options): Don't set warn_main.
2693 (spu_force_reg): Move from spu-c.c.
2694 (spu_check_builtin_parm): Likewise.
2695 (expand_builtin_args): Likewise.
2696 (spu_expand_builtin_1): Likewise.
2697 (spu_expand_builtin): Likewise.
2698 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
2699 warn_main and targetm.resolve_overloaded_builtin.
2700 * config/spu/spu-c.c (spu_builtin_range): Remove.
2701 (spu_check_builtin_parm): Remove.
2702 (expand_builtin_args): Remove.
2703 (spu_expand_builtin_1): Remove.
2704 (spu_expand_builtin): Remove.
2705 (spu_cpu_cpp_builtins): Moved from spu.c
2706 (spu_force_reg): Remove.
2708 2006-12-01 Joseph Myers <joseph@codesourcery.com>
2709 David Edelsohn <edelsohn@gnu.org>
2712 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
2713 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
2714 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
2715 HARD_REGNO_NREGS_WITH_PADDING): Define.
2716 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
2717 HARD_REGNO_NREGS_WITH_PADDING): Define.
2718 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
2719 Use new macros to detect modes with holes; do not look at integer
2721 (subreg_offset_representable_p): Check for and disallow cases
2722 where the modes use different numbers of bits from registers.
2723 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
2724 constant for soft-float.
2725 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
2727 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
2728 in E500 double case.
2729 * config/rs6000/rs6000.md (movtf): Allow soft-float.
2730 (movtf_softfloat): New.
2732 2006-11-30 Richard Sandiford <richard@codesourcery.com>
2734 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
2735 simplify_gen_subreg.
2737 2006-11-30 Andrew Macleod <amacleod@redhat.com>
2739 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
2740 (COALESCE_HASH_FN): New. Define hash function.
2741 (partition_pair_map_hash): New. Hash value for a partition pair.
2742 (partition_pair_map_eq): New. Equality for hash pairs.
2743 (create_coalesce_list): Create hash table.
2744 (delete_coalesce_list): Free hash table.
2745 (find_partition_pair): Find/create pairs in hash table.
2746 (compare_pairs): Sort pairs in ascending order now.
2747 (num_coalesce_pairs): New. Number of pairs in hash table.
2748 (struct partition_pair_iterator): Iterator struct for pair table.
2749 (first_partition_pair): Iterator function for first pair.
2750 (end_partition_pair_p): Iterator function for end of iteration.
2751 (next_partition_pair): Iterator function for next pair.
2752 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
2753 (sort_coalesce_list): Sort pairs from hash table into an array.
2754 (pop_best_coalesce): Take pairs from the array.
2755 (dump_coalesce_list): Update to use hash table or sorted array.
2756 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
2757 (struct coalesce_list_d): Add hash table related fields.
2759 2006-11-30 Jan Hubicka <jh@suse.cz>
2762 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
2763 memmove/bcopy->memcpy conversion.
2765 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
2767 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
2768 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
2769 Default is the largest alignment supported for 32-bit ELF and
2770 representable on a 32-bit host.
2772 2006-11-30 Janis Johnson <janis187@us.ibm.com>
2774 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
2776 2006-11-30 Jan Hubicka <jh@suse.cz>
2778 * tree-ssa-operands.h (struct ssa_operands): New.
2779 * tree-flow-inline.h (gimple_ssa_operands): New function.
2780 * tree-flow.h: (struct gimple_df): Add ssa_operands.
2781 * Makefile.in: Remove gt-tree-ssa-operands.h
2782 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
2783 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
2784 operand_memory, operand_memory_index, ops_active): Remove statics.
2785 (ALLOC_OPTYPE): Update.
2786 (operand_build_sort_virtual): Update.
2787 (ssa_operands_active): Update.
2788 (init_ssa_operands): Update.
2789 (fini_ssa_operands): Update.
2790 (ssa_operand_alloc): Update.
2791 (INITIALIZE_USE): Update.
2792 (finalize_ssa_use_ops): Update.
2793 (finalize_ssa_v_may_def_ops): Update.
2794 (finalize_ssa_vuse_ops): Update.
2795 (finalize_ssa_v_must_def_ops): Update.
2797 2006-11-30 Richard Guenther <rguenther@suse.de>
2799 * tree-vectorizer.h (vectorizable_function): Export.
2800 * tree-vect-transform.c (vectorizable_function): Likewise.
2801 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
2802 type_in to scalar type in recognition of squaring.
2803 Make sure the target can vectorize sqrt in recognition
2804 of sqrt, set type_in to vector type in this case.
2806 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
2808 * config/i386/i386.md (R10_REG): New constant.
2809 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
2810 (ix86_emit_restore_regs_using_mov): Ditto.
2811 (ix86_expand_call): Ditto.
2812 (x86_output_mi_thunk): Ditto. Also use R10_REG.
2814 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
2816 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
2817 * alias.c (canon_true_dependence): Update comment.
2819 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
2821 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
2822 at the end of a diagnostics message.
2824 * alloc-pool.c (pool_free): Postpone clearing the pool entry
2825 until after asserting that it was allocated in the right pool.
2827 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
2828 successor edge information as well. Make output of live regs
2829 on exit consistent with live regs on entry.
2831 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
2834 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
2835 insn patterns for TARGET_80387.
2836 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
2837 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
2838 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
2839 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
2840 Generate truncxf<mode>2 insn patterns for strict SSE math.
2842 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
2844 * config/i386/i386.md (movsf_1): Enable pattern for standard
2845 80387 constants before reload when optimizing for size.
2846 (*movdf_nointeger, *movdf_integer): Ditto.
2847 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
2848 80387 constants before reload when not optimizing for size.
2850 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
2851 extension of XFmode input operands.
2853 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
2855 * config/spu/crt0.c (__dso_handle): Define.
2857 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
2859 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
2860 when clearing the used flags.
2862 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
2864 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
2866 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
2869 * config/spu/spu.md (extend_compare<mode>): New pattern.
2870 (extend_compare): Change to expand and use the above pattern.
2872 2006-11-29 Janis Johnson <janis187@us.ibm.com>
2874 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
2876 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
2877 (DFP_INIT_ROUNDMODE): Define.
2878 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
2879 * mklibgcc.in: Fix dependencies for dfp-bit.c.
2881 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
2883 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
2884 Update documentation.
2885 (associate_line_notes_with_blocks): Kill.
2886 (extend_bb): Remove basic block argument, put void instead.
2887 Remove line number handling for each bb.
2888 (save_line_notes): Kill.
2889 (restore_line_notes): Kill.
2890 (sched_init): Remove line_note_head initialization.
2891 Change extend_bb call.
2892 (sched_finish): Remove free of line_note_head.
2893 (add_block): Change extend_bb call.
2894 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
2895 rm_line_notes and restore_line_notes calls.
2896 (schedule_ebbs): Remove rm_redundant_line_notes.
2897 * sched-int.h (struct haifa_insn_data): Remove line_note.
2898 (save_line_notes): Remove declaration.
2899 (restore_line_notes): Remove declaration.
2900 * modulo-sched.c (loop_canon_p): Update debug info printing
2901 by using insn locators instead of line note.
2902 (sms_schedule): Update debug info printing, by using insn
2903 locators instead of line note.
2904 * sched-rgn.c (debug_dependencies): Remove handling of case
2905 n>0 (line number), since it's a dead code.
2906 (schedule_region): Remove save_line_notes and
2907 restore_line_notes calls.
2909 2006-11-29 Joseph Myers <joseph@codesourcery.com>
2911 * config/rs6000/predicates.md (gpc_reg_operand): Check
2912 invalid_e500_subreg.
2913 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
2914 SImode subregs of SPE vectors.
2915 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
2916 * jump.c (true_regnum): Require subregs to satisfy
2917 subreg_offset_representable_p.
2919 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
2920 Steven Bosscher <stevenb.gcc@gmail.com>
2922 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
2923 since it no longer exists.
2925 2006-11-29 Duncan Sands <baldrick@free.fr>
2927 PR tree-optimization/23744
2928 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
2930 2006-11-29 Duncan Sands <baldrick@free.fr>
2932 PR tree-optimization/23744
2933 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
2935 2006-11-29 Duncan Sands <baldrick@free.fr>
2937 PR tree-optimization/23744
2938 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
2940 2006-11-29 Jie Zhang <jie.zhang@analog.com>
2942 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
2944 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
2946 * sh.opt (minline-ic_invalidate): New option.
2947 (musermode): Adjust comment.
2948 * sh.c (sh_initialize_trampoline): Emit library call unless
2949 is set; if it is set, don't emit library call if we can use icbi
2951 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
2952 icbi for TARGET_SH4_300.
2953 * t-sh (LIB1ASMFUNCS_CACHE): Set.
2954 * doc/invoke.texi: Document -minline-ic_invalidate; Update
2955 -musermode documentation.
2957 2006-11-29 Jim Tison <jtison@us.ibm.com>
2959 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
2960 __gthread_recursive_mutex_init): Define.
2962 2006-11-29 Joseph Myers <joseph@codesourcery.com>
2964 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
2965 STRICT_ALIGNMENT and the type is more aligned than the saved
2966 registers, copy via a temporary.
2968 2006-11-28 Andrew Pinski <pinskia@gmail.com>
2971 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
2974 2006-11-28 Bob Wilson <bob.wilson@acm.org>
2976 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
2978 2006-11-28 Jan Hubicka <jh@suse.cz>
2980 Privatize SSA variables into gimple_df.
2981 * tree-flow-inline.h
2982 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
2983 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
2984 gimple_nonlocal_all): New accessors.
2985 (first_referenced_var): Update.
2986 (mark_stmt_modified): Update.
2987 (is_call_clobbered): Update.
2988 (mark_call_clobbered): Update.
2989 (clear_call_clobbered): Update.
2990 (mark_non_addressable): Update.
2991 * tree-vrp.c (get_value_range): Update.
2992 * tree-into-ssa.c (in_ssa_p): Kill.
2993 (get_default_def_for): Update.
2994 (rewrite_into_ssa): Update.
2995 * tree-complex.c (init_parameter_lattice_values): Update.
2996 (update_complex_assignment): Update.
2997 (update_parameter_components): Update.
2998 (expand_complex_libcall): Update.
2999 (expand_complex_operations_1): Update.
3000 * tree-tailcall.c (arg_needs_copy_p): Update.
3001 (add_virtual_phis): Update.
3002 (tree_optimize_tail_calls_1): Update.
3003 * tree-ssa-dse.c (memory_ssa_name_same): Update.
3004 * tree-ssa-copyrename.c
3005 (copy_rename_partition_coalesce): Update.
3006 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
3007 * tree-ssa-propagate.c (set_rhs): Update.
3008 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
3009 addressable_vars, global_var):Kill.
3010 (set_initial_properties): Update.
3011 (init_alias_info): Update.
3012 (finalize_ref_all_pointers): Update.
3013 (setup_pointers_and_addressables): Update.
3014 (maybe_create_global_var): Update.
3015 (create_global_var): Update.
3016 (dump_points_to_info): Update.
3017 * function.h (struct gimple_df): Forward declare.
3018 (struct function): Add GIMPLE_DF field.
3019 * gimplify.c (force_gimple_operand): Update.
3020 * tree-dfa.c (referenced_vars, default_defs): KIll.
3021 (make_rename_temp): Update.
3022 (dump_variable): Update.
3023 (referenced_var_lookup): Update.
3024 (referenced_var_check_and_insert): Update.
3025 (default_def): Rename to ...
3026 (gimple_default_def): ... this one; accept cfun argument.
3027 (set_default_def): Update.
3028 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
3029 (cleanup_control_flow): Update.
3030 * tree-ssa-pre.c (compute_avail): Update
3031 * tree-ssa-live.c (calculate_live_on_entry): Update.
3032 * tree-ssa.c (verify_use): Update.
3033 (verify_call_clobbering): Update.
3034 (verify_call_clobbering): Update.
3035 (init_tree_ssa): Update.
3036 (delete_tree_ssa): Update.
3037 * tree-outof-ssa.c (coalesce_ssa_name): Update.
3038 (rewrite_out_of_ssa): Update.
3039 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
3040 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
3042 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
3043 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
3044 addressable_vars, aliases_computed_p): Kill.
3045 (default_def): Rename to...
3046 (gimple_default_def): ... this one.
3047 (defaule_def_fn): Kill.
3048 (num_referenced_vars, ssa_names, num_ssa_names): Update.
3049 * tree-ssa-structalias.c (nonlocal_all): Kill.
3050 (get_constraint_exp_from_ssa_var): Update.
3051 (create_nonlocal_var): Update.
3052 (get_constraint_for): Update.
3053 (update_alias_info): Update.
3054 (find_global_initializers): Update.
3055 (intra_create_variable_infos): Update.
3056 (intra_create_variable_infos):
3057 (find_what_p_points_to): Update.
3058 (init_alias_heapvars): Update.
3059 * tree-cfg.c (remove_bb): Update.
3060 (gimplify_val): Update.
3061 * tree-ssa-reassoc.c (get_rank): Update.
3062 (init_reassoc): Update.
3063 * tree-ssanames.c: Do not include gt-tree-ssanames.h
3064 (ssa_names, free_ssanames): Kill.
3065 (init_ssanames): Update.
3066 (make_ssa_name): Update.
3067 (release_ssa_name): Update.
3068 (release_defs): Update.
3069 (replace_ssa_name_symbol): Update.
3070 * tree-ssa-operands.c (access_can_touch_variable): Update.
3071 (add_virtual_operand): Update.
3072 (add_call_clobber_ops): Update.
3073 (add_call_read_ops): Update.
3074 (get_call_expr_operands): Update.
3075 (get_asm_expr_operands): Update.
3077 2006-11-28 Jan Hubicka <jh@suse.cz>
3079 * builtins.c: Include tree-flow.h.
3080 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
3081 assignment; convert memmove to memcpy for sizes greater than 1 where
3082 alignment of operands prohibit the partial overlap.
3084 2006-11-28 Jan Hubicka <jh@suse.cz>
3086 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
3087 * cgraph.c (dump_cgraph_node): Dump stack usage.
3088 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
3089 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
3090 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
3091 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
3092 (cgraph_check_inline_limits): Limit stack growth.
3093 * cfgexpand.c: Include tree-inline.h.
3094 (account_stack_vars): New function.
3095 (expand_one_var): New param to just account the stack; return estimated
3097 (expand_used_vars_for_block): Update call of expand_one_var.
3098 (account_used_vars_for_block): New function.
3099 (estimated_stack_frame_size): Likewise.
3100 (init_vars_expansion, fini_vars_expansion): Break out from..
3101 (expand_used_vars): ... here.
3102 * tree-inline.h (estimated_stack_frame_size): Declare.
3103 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
3105 2006-11-28 Richard Guenther <rguenther@suse.de>
3107 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
3108 unsigned long for printing OBJECT_SIZE.
3110 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
3112 * alias.c (init_alias_analysis): Remove simplification loop
3113 after propagating pointers.
3115 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
3117 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
3120 2006-11-27 Bob Wilson <bob.wilson@acm.org>
3122 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
3124 2006-11-27 Roger Sayle <roger@eyesopen.com>
3125 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3127 * c-common.c (constant_fits_type_p): Delete.
3128 (unsigned_conversion_warning): Delete.
3129 (conversion_warning): Integrate Wconversion warning from
3130 unsigned_conversion_warning.
3131 (convert_and_check): Integrate Woverflow warning from
3132 unsigned_conversion_warning. Reorganize and simplify to avoid
3133 dependence upon the middle-end setting TREE_OVERFLOW on integral
3134 conversions, by using int_fits_type_p directly.
3136 2006-11-27 Tobias Burnus <burnus@net-b.de>
3138 * doc/invoke.texi: Fixed typo.
3140 2006-11-27 Michael Matz <matz@suse.de>
3141 Andreas Krebbel <krebbel1@de.ibm.com>
3144 * config/s390/predicates.md (larl_operand): Check addend of larl
3145 operand to be in range of -/+2GB.
3146 * config/s390/s390.c (legitimize_pic_address): Likewise.
3147 Changed type of variable even to HOST_WIDE_INT.
3149 2006-11-27 Jan Hubicka <jh@suse.cz>
3151 * expr.c (emit_block_move_via_libcall): Export.
3152 (clear_storage_via_libcall): Rename to ...
3153 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
3154 (clear_storage): Update to set_storage_via_libcall.
3155 * expr.h (emit_block_move_via_libcall): Declare
3156 * config/i386/i386.h (stringop_alg): New enum.
3157 (MAX_STRINGOP_ALGS): New constant.
3158 (stringop_algs): New struct.
3159 (processor_costs): Add memcpy/memset descriptors.
3160 (TARGET_REP_MOVEL_OPTIMAL): Remove.
3161 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
3162 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
3164 * config/i386/i386.opt (minline-stringops-dynamically,
3165 mstringop-strategy): New
3167 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
3168 (ix86_expand-clrmem): Rename to ...
3169 (ix86_expand_setmem): ... this one; update prototype.
3170 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
3171 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
3172 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
3173 nocona_cost, core2_cost, generic_cost, generic64_cost,
3174 generic32_cost): Add memcpy/memset descriptors.
3175 (x86_rep_movl_optimal): Remove.
3176 (stringop_alg): New static variable.
3177 (ix86_expand_aligntest): Handle predictions.
3178 (override_options): Add strgop_alg handling.
3179 (predict_jump): New function.
3180 (scale_counter): New function.
3181 (expand_set_or_movmem_via_loop): New function.
3182 (expand_movmem_via_rep_mov): New function.
3183 (expand_setmem_via_rep_stots): New function.
3184 (emit_strmov): New function.
3185 (expand_movmem_epilogue): New function.
3186 (expand_setmem_epilogue_via_loop): New function.
3187 (expand_setmem_epilogue): New function.
3188 (expand_movmem_prologue): New function.
3189 (expand_setmem_prologue): New function.
3190 (decide_alg): New function.
3191 (decide_alignment): New function.
3192 (ix86_exand_movmem): Rewrite.
3193 (promote_duplicated_reg): New function.
3194 (ix86_expand_clrmem): Rename to ...
3195 (ix86_expand_setmem): ... this one. Rewrite.
3197 * invoke.texi (minline-stringops-dynamically): New command line option.
3198 (mstringop-strategy): Likewise.
3200 2006-11-27 Jan Hubicka <jh@suse.cz>
3202 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
3203 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
3204 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
3205 * insn-notes.def (FUNCTION_END): Remove.
3206 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
3207 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
3209 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
3210 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
3211 * cfglayout.c (duplicate_insn_chain): Don't worry about
3214 2006-11-27 Richard Guenther <rguenther@suse.de>
3215 Zdenek Dvorak <dvorakz@suse.cz>
3217 * target.h (struct gcc_target): Add builtin_vectorized_function
3219 * target-def.h (TARGET_VECTORIZE): Likewise.
3220 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3221 Document new target hook.
3222 * targhooks.h (default_builtin_vectorized_function): Declare.
3223 * targhooks.c (default_builtin_vectorized_function): Define.
3224 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
3225 (vectorizable_call): Declare.
3226 * tree-vect-analyze.c (vect_analyze_operations): Call
3228 * tree-vect-transform.c (vectorizable_function): New static function.
3229 (build_vectorized_function_call): Likewise.
3230 (vectorizable_call): New function.
3231 (vect_transform_stmt): Handle vectorizable calls.
3233 2006-11-27 Richard Guenther <rguenther@suse.de>
3236 * builtins.c (expand_builtin_pow): Optimize non integer valued
3237 constant exponents using sqrt or cbrt if possible. Always fall back
3238 to expanding via optabs.
3240 2006-11-27 Ira Rosen <irar@il.ibm.com>
3242 PR tree-optimization/22372
3243 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
3244 the type of the base address.
3245 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
3246 it in the data-ref pointer creation.
3247 (vect_init_vector): Add an argument, type of the init vector. Use it in
3249 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
3250 (get_initial_def_for_reduction): Likewise.
3251 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
3253 (vectorizable_assignment, vect_permute_store_chain): Likewise.
3254 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
3255 correct type in stmt creation.
3256 (vect_setup_realignment): Use the correct type in stmt creation.
3257 (vect_permute_load_chain): Change type of MODIFY_EXPR to
3259 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
3260 of MODIFY_EXPR to void_type_node.
3261 (vectorizable_condition): Change type of MODIFY_EXPR to
3263 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
3266 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
3269 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3270 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3271 standard 80387 constants, raise the cost to prevent
3272 compress_float_constant() to generate load from memory.
3274 * config/i386/i386.md: Add new splitter pattern to split
3275 float_extended load of constant from constant pool into
3278 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3280 * doc/install.texi: Move GMP/MPFR configure options from Fortran
3281 section to general section. Remove documentation for
3282 --with-mpfr-dir and --with-gmp-dir, add documentation for
3283 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
3286 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
3288 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
3290 * testsuite/gcc.dg/ipa/ipa-6.c: New.
3292 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
3294 PR tree-optimization/29122
3295 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
3296 for the new version. Assign NULL to DECL_RTL of the new version.
3298 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
3300 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
3302 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
3304 * cse.c (cse_altered): Remove.
3305 (record_jump_equiv): Make true/false argument a bool instead
3307 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
3308 where appropriate. Emit a new jump before the existing one
3309 instead of after so that delete_insn_and_edges removes the
3310 dead edges properly. Check any_condjump_p before calling
3312 (cse_basic_block): Check any_condjump_p before calling
3314 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
3316 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
3318 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
3319 -ffixed-line-length-* options.
3321 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
3323 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
3324 (fprem1xf4): Rename to fprem1xf4_i387.
3326 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
3327 Rename patterns to fmod<mode>3. Use general_operand operand
3328 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
3329 patterns for SSE math.
3330 (remaindersf3, remainderdf3): Ditto.
3332 2006-11-25 Joseph Myers <joseph@codesourcery.com>
3334 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
3335 inside start_sequence / end_sequence pair.
3337 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
3339 * jump.c (mark_all_labels): Work in cfglayout mode.
3340 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
3341 when in cfglayout mode, because there are no dead jumptables
3343 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
3345 (commit_edge_insertions): Do not allow insertion of instructions
3346 with control flow insns when in cfglayout mode.
3348 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
3350 * tree-vrp.c (execute_vrp): Do not pass loops structure through
3352 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
3353 unswitch_loop): Ditto.
3354 * tree-loop-linear.c (linear_transform_loops): Ditto.
3355 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
3356 tree_ssa_lim): Ditto.
3357 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
3358 free_numbers_of_iterations_estimates): Ditto.
3359 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
3360 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
3361 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
3362 remove_path, add_loop, loopify, unloop, fix_loop_placements,
3363 place_new_loop, duplicate_loop, duplicate_subloops,
3364 update_single_exit_for_duplicated_loops, copy_loops_to,
3365 duplicate_loop_to_header_edge, create_preheaders,
3366 force_single_succ_latches, loop_version, fix_loop_structure):
3368 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
3369 tree_unroll_loop): Ditto.
3370 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3371 * tree-scalar-evolution.c (select_loops_exit_conditions,
3372 scev_initialize, scev_analysis): Ditto.
3373 * tree-scalar-evolution.h (scev_initialize): Ditto.
3374 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
3375 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
3376 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
3377 * modulo-sched.c (sms_schedule): Ditto.
3378 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
3379 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
3380 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
3381 * ifcvt.c (if_convert): Ditto.
3382 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
3383 canonicalize_loop_induction_variables,
3384 canonicalize_induction_variables,
3385 tree_unroll_loops_completely, remove_empty_loops): Ditto.
3386 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
3387 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
3388 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
3389 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
3390 tree_ssa_loop_done): Ditto.
3391 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
3392 estimate_bb_frequencies): Ditto.
3393 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
3394 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
3395 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
3396 decide_unrolling_and_peeling, peel_loop_completely,
3397 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
3398 peel_loop_simple, unroll_loop_stupid): Ditto.
3399 * loop-doloop.c (doloop_optimize_loops): Ditto.
3400 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
3401 * loop-invariant.c (move_loop_invariants): Ditto.
3402 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
3403 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
3404 tree_ssa_prefetch_arrays): Ditto.
3405 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
3407 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
3408 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
3409 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
3410 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
3411 verify_loop_structure): Ditto.
3412 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
3413 canonicalize_induction_variables, tree_unroll_loops_completely,
3414 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
3415 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
3416 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
3417 tree_unroll_loop, linear_transform_loops): Declaration changed.
3418 * basic-block.h: Remove declaration of struct loops.
3419 * cfghooks.h (struct cfg_hooks): Change type of
3420 cfg_hook_duplicate_loop_to_header_edge.
3421 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
3422 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
3423 vect_transform_loop): Declaration changed.
3424 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
3425 * cfgloop.h (flow_loops_dump, fix_loop_structure,
3426 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
3427 cancel_loop_tree, create_preheaders, force_single_succ_latches,
3428 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
3429 loopify, loop_version, remove_path, unswitch_loops,
3430 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
3431 Declaration changed.
3433 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
3435 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
3436 (X87MODEF): New mode macro.
3437 (ssemodefsuffix): New mode attribute.
3438 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
3439 (sqrt_extend<mode>xf2_i387): New insn pattern.
3440 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
3441 insn and truncate result back to original mode using
3442 UNSPEC_TRUNC_NOOP truncation.
3443 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
3444 ssemodefsuffix mode attribute.
3445 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
3446 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
3447 (*sqrtextenddfxf2_i387): Remove insn patterns.
3449 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
3450 truncation patterns.
3452 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
3454 2006-11-24 Jakub Jelinek <jakub@redhat.com>
3457 * c-tree.h (c_maybe_initialize_eh): New prototype.
3458 * c-decl.c (finish_decl): Move EH initialization...
3459 (c_maybe_initialize_eh): ... here. New function.
3460 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
3461 if not #pragma omp atomic.
3464 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
3465 or UNION_TYPE inner types.
3467 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
3470 * ipa-pure-const.c (check_tree): If the original tree
3471 is volatile return early and say the function is not pure
3472 nor const. Remove the volatile check for writes.
3473 (analyze_function): Print out the result of the local
3476 2006-11-24 Joseph Myers <joseph@codesourcery.com>
3478 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
3480 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
3481 * config/rs6000/rs6000.c (rs6000_override_options): Use
3482 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
3485 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
3487 * config/s390.c (s390_emit_compare_and_swap): New function.
3488 (s390_expand_cs_hqi, s390_expand_atomic): Call
3489 s390_emit_compare_and_swap.
3491 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3493 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
3495 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3499 * c-common.c (conversion_warning): New.
3500 (convert_and_check): Call conversion_warning unless there is an
3502 * doc/invoke.texi (-Wconversion): Update description.
3504 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
3506 * tree-ssa-alias.c (tree_pointer_compare): New function.
3507 (compact_name_tags): New function.
3508 (group_aliases): Call compact_name_tags.
3510 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3512 * real.h (real_isinteger): Declare.
3513 * real.c (real_isinteger): Define.
3514 * builtins.c (integer_valued_real_p): Use it.
3516 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3519 * c.opt (Wtraditional-conversion): New.
3520 (Wconversion): Update description.
3521 * c-typeck.c (convert_arguments): Warnings for prototypes causing
3522 type conversions different from what would happen in the absence
3523 of prototype are now handled by Wtraditional-conversion.
3524 * doc/invoke.texi (Wtraditional-conversion): New.
3525 (Wconversion): Update description.
3526 * doc/trouble.texi (Wconversion): Replace Wconversion by
3527 Wtraditional-conversion.
3529 2006-11-23 Andrew Pinski <pinskia@gmail.com>
3531 * predict.c (tree_estimate_probability): Check to make
3532 sure current_loops is non null before calling flow_loops_dump.
3534 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
3536 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
3538 2006-11-23 David Ung <davidu@mips.com>
3540 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
3542 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
3543 (ASM_SPEC): Pass along -mfp32 and -mfp64.
3544 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
3545 high part of FP register when in 64-bit FP register mode. Similarly
3546 use gen_mfhc1 to load high part of FP register.
3547 (override_options): Allow -mgp32 and -mfp64 combination if
3548 ISA_HAS_MXHC1 (currently for O32 only).
3549 (mips_cannot_change_mode_class): If floating-point registers are
3550 bigger than word size. disallow conversion of float register from a
3551 large integer mode to a float mode smaller than the float register
3553 (mips_class_max_nregs): Handle float registers case seperately.
3554 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
3556 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
3557 (movdf_hardfloat_32bit): Similarly.
3558 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
3559 support a full 64-bit fpu.
3560 (mthc1): New pattern to generate MTHC1 instruction.
3561 (mfhc1): New pattern to generate MFHC1 instruction.
3562 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
3563 option for the MIPS32R2 and mention its use under O32 ABI.
3565 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
3567 * var-tracking.c (emit_note_insn_var_location): Take care not to
3568 cause verify_flow_info failures.
3570 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
3572 * tree-ssa-structalias.c: Remove edge weights in favor of just
3573 processing them as complex constraints.
3574 (struct constraint_graph): Remove weighted succs and preds. Rename
3575 nonweighted succs and preds.
3576 (constraint_edge): Removed.
3577 (constraint_edge_t): Ditto.
3578 (constraint_edge_pool): Ditto.
3579 (new_constraint_edge): Ditto.
3580 (constraint_edge_equal): Ditto.
3581 (constraint_edge_less): Ditto.
3582 (constraint_edge_vec_find): Ditto.
3583 (erase_self_graph_edge): Ditto.
3584 (add_graph_edge): Removed.
3585 (get_graph_weights): Ditto.
3586 (allocate_graph_weights): Ditto.
3587 (valid_weighted_graph_edge): Ditto
3588 (bitmap_other_than_zero_bit_set): Ditto.
3589 (int_add_graph_edge): Renamed to add_graph_edge.
3590 (clear_edges_for_node): Remove support for weighted edges.
3591 (merge_graph_nodes): Ditto.
3592 (valid_graph_edge): Ditto.
3593 (build_constraint_graph): Ditto.
3595 (collapse_nodes): Ditto.
3596 (process_unification_queue): Ditto.
3597 (topo_visit): Ditto.
3598 (do_ds_constraint): Ditto.
3599 (perform_var_subsitution): Ditto.
3600 (solve_graph): Ditto.
3601 (init_alias_vars): Ditto.
3602 (delete_points_to_sets): Ditto.
3603 (do_complex_constraint): Support offsetted copies here.
3605 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
3607 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
3609 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
3611 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
3614 2006-11-23 Ben Elliston <bje@au.ibm.com>
3616 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
3618 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
3620 PR tree-optimization/29921
3621 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
3622 signed and unsigned zero equal.
3624 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
3626 * config/rs6000/rs6000.c (get_store_dest): New.
3627 (adjacent_mem_locations): Use get_store_dest() to get
3628 the rtl of the store destination.
3630 2006-11-22 Joseph Myers <joseph@codesourcery.com>
3632 * config/rs6000/spe.md (SPE64): New mode macro.
3633 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
3635 (mov_si<mode>_e500_subreg0_2): New.
3636 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
3638 (mov_si<mode>_e500_subreg4_2): New.
3639 * config/rs6000/predicates.md (input_operand): Do not allow
3640 invalid E500 subregs.
3641 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
3643 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
3644 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
3645 involving vector modes if TARGET_SPE.
3647 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
3650 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
3651 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
3653 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
3655 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
3656 mem_i_address_operand): New predicates.
3657 * config/bfin/bfin.c (bfin_issue_rate): New function.
3658 (TARGET_SCHED_ISSUE_RATE): New macro.
3659 * config/bfin/bfin.md (addrtype): New attribute.
3660 (slot0, slot1, slot2, store, pregs): New cpu_units.
3661 (core): Now a define_reservation.
3662 (alu): Remove some insn types from this reservation.
3663 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
3665 (dummy reservation): Don't trigger for mcld insns.
3666 (absence_sets): Two new absence sets to enforce slot ordering.
3667 (popsi_insn): Set addrtype.
3669 2006-11-22 Ira Rosen <irar@il.ibm.com>
3671 * doc/c-tree.texi: Document new tree codes.
3672 * doc/md.texi: Document new optabs.
3673 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
3675 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
3676 * optabs.h (optab_index): Add new.
3677 (vec_extract_even_optab, vec_extract_odd_optab,
3678 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
3679 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
3680 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
3682 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
3683 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
3684 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
3685 along with macros for their access.
3686 * tree-data-ref.h (first_location_in_loop, data_reference): Update
3688 * tree-vect-analyze.c (toplev.h): Include.
3689 (vect_determine_vectorization_factor): Fix indentation.
3690 (vect_insert_into_interleaving_chain,
3691 vect_update_interleaving_chain, vect_equal_offsets): New functions.
3692 (vect_analyze_data_ref_dependence): Add argument for interleaving
3693 check. Check for interleaving if it's true.
3694 (vect_check_dependences): New function.
3695 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
3696 every ddr. Call vect_analyze_data_ref_dependence with new argument.
3697 (vect_update_misalignment_for_peel): Update for interleaving.
3698 (vect_verify_datarefs_alignment): Check only first data-ref for
3700 (vect_enhance_data_refs_alignment): Update for interleaving. Check
3701 only first data-ref for interleaving.
3702 (vect_analyze_data_ref_access): Check interleaving, update
3704 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
3705 with different parameters.
3706 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
3707 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
3708 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
3709 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
3710 Update step in case of interleaving.
3711 (vect_strided_store_supported, vect_permute_store_chain): New
3713 (vectorizable_store): Handle strided stores.
3714 (vect_strided_load_supported, vect_permute_load_chain,
3715 vect_transform_strided_load): New functions.
3716 (vectorizable_load): Handle strided loads.
3717 (vect_transform_stmt): Add argument. Handle strided stores. Check
3718 that vectorized stmt exists for patterns.
3719 (vect_gen_niters_for_prolog_loop): Update calculation for
3721 (vect_transform_loop): Remove stmt_vec_info for strided stores after
3722 whole chain vectorization.
3723 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
3724 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
3725 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
3726 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
3727 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
3729 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
3731 * cse.c (enum taken): Remove PATH_AROUND.
3732 (addr_affects_sp_p, invalidate_skipped_set,
3733 invalidate_skipped_block): Remove.
3734 (cse_end_of_basic_block): Remove skip_blocks and related code.
3735 (cse_main): Don't test for flag_cse_skip_blocks.
3736 Update cse_end_of_basic_block call.
3737 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
3738 code to lengthen the path if a jump was simplified.
3740 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
3742 PR rtl-optimization/29924
3743 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
3744 (unroll_loop_runtime_iterations): Assert that the argument passed to
3745 split_edge_and_insert is not NULL.
3746 * loop-doloop.c (add_test): Ditto.
3748 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
3750 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
3752 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
3753 * cfgloopmanip.c (update_single_exits_after_duplication,
3754 update_single_exit_for_duplicated_loop, loop_version): Ditto.
3755 * tree-scalar-evolution.c (get_loop_exit_condition,
3756 get_exit_conditions_rec, loop_closed_phi_def,
3757 number_of_iterations_in_loop, scev_const_prop): Ditto.
3758 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
3759 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
3761 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
3763 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
3764 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
3765 slpeel_make_loop_iterate_ntimes,
3766 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
3767 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
3769 * tree-if-conv.c (if_convertible_loop_p): Ditto.
3770 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
3771 vect_analyze_loop_form): Ditto.
3772 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
3773 can_convert_to_perfect_nest, perfect_nestify): Ditto.
3774 * tree-vect-transform.c (vect_create_epilog_for_reduction,
3775 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
3776 vect_transform_loop): Ditto.
3777 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
3778 (single_exit, set_single_exit): New functions.
3779 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
3780 (single_exit, set_single_exit): Declare.
3781 * doc/loop.texi: Undocument single_exit field. Document single_exit
3784 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
3786 PR tree-optimization/29902
3787 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
3788 any involved ssa name appears in abnormal phi node.
3790 2006-11-21 Bob Wilson <bob.wilson@acm.org>
3792 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
3793 (xtensa_const_ok_for_letter_p): Delete.
3794 (xtensa_extra_constraint): Delete.
3795 (override_options): Delete xtensa_char_to_class initialization.
3796 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
3797 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3798 (EXTRA_CONSTRAINT): Delete.
3799 * config/xtensa/xtensa.md: Include constraints.md.
3800 (call_internal): Combine alternatives.
3801 (call_value_internal): Likewise, and remove invalid constraints.
3802 * config/xtensa/constraints.md: New file.
3803 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
3804 (xtensa_extra_constraint): Delete.
3805 * doc/md.texi (Machine Constraints): Refer to constraints.md for
3808 2006-11-21 Janis Johnson <janis187@us.ibm.com>
3810 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
3811 of conversion that doesn't fit.
3813 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
3814 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
3815 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
3817 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
3819 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
3821 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
3823 2006-11-21 Richard Guenther <rguenther@suse.de>
3825 * tree-vectorizer.h (NUM_PATTERNS): Increase.
3826 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
3827 vect_recog_pow_pattern.
3828 (vect_recog_pow_pattern): New function.
3830 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
3832 * config/bfin/bfin.opt (mstack-check-l1): New.
3833 * doc/invoke.texi (Blackfin Options): Document it.
3834 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
3835 stack bounds in L1 memory if the new option is enabled.
3836 (override_options): Don't allow combinations of -fstack-limit and
3838 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
3841 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
3843 (bfin_register_move_cost): Bump costs if trying to move plain
3844 integer values through accumulators.
3846 2006-11-21 Ben Elliston <bje@au.ibm.com>
3848 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
3850 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
3851 Russell Olsen <Russell_Olsen@playstation.sony.com>
3852 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
3853 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
3854 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
3855 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
3856 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
3858 * config.gcc: Add target for SPU.
3859 * config/spu/constraints.md: New file.
3860 * config/spu/crt0.c: New file.
3861 * config/spu/crtend.c: New file.
3862 * config/spu/crti.asm: New file.
3863 * config/spu/crtn.asm: New file.
3864 * config/spu/float_unsdidf.c: New file.
3865 * config/spu/float_unssidf.c: New file.
3866 * config/spu/predicates.md: New file.
3867 * config/spu/spu-builtins.def: New file.
3868 * config/spu/spu-builtins.h: New file.
3869 * config/spu/spu-builtins.md: New file.
3870 * config/spu/spu-c.c: New file.
3871 * config/spu/spu-elf.h: New file.
3872 * config/spu/spu-modes.def: New file.
3873 * config/spu/spu-protos.h: New file.
3874 * config/spu/spu.c: New file.
3875 * config/spu/spu.h: New file.
3876 * config/spu/spu.md: New file.
3877 * config/spu/spu.opt: New file.
3878 * config/spu/spu_internals.h: New file.
3879 * config/spu/spu_intrinsics.h: New file.
3880 * config/spu/spu_mfcio.h: New file.
3881 * config/spu/t-spu-elf: New file.
3882 * config/spu/vec_types.h: New file.
3883 * config/spu/vmx2spu.h: New file.
3884 * doc/contrib.texi: Document SPU contributor.
3885 * doc/extend.texi: Document SPU extensions.
3886 * doc/invoke.texi: Document SPU options.
3887 * doc/md.texi: Document SPU constraints.
3889 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
3891 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
3893 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
3895 (flow_loop_dump): Do not dump loop level.
3896 (flow_loops_find): Do not call flow_loops_level_compute.
3897 * cfgloop.h (struct loop): Remove level field.
3899 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
3901 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
3902 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
3903 Use vector of edges instead of array.
3904 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
3905 estimate_numbers_of_iterations_loop): Ditto.
3906 * predict.c (predict_loops): Ditto.
3907 * loop-unroll.c (analyze_insns_in_loop): Ditto.
3908 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
3910 * basic-block.h: Declare heap allocation for edge vectors.
3911 * tree-outof-ssa.c: Ditto.
3912 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
3913 * cfgloop.h (get_loop_exit_edges): Declaration changed.
3915 2006-11-20 Zack Weinberg <zackw@panix.com>
3917 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
3918 Add another out parameter, "skip".
3919 (set_gc_used_type): Adjust calls to process_gc_options. If a field
3920 is tagged "skip", do not mark its type used.
3922 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
3925 * tree-sra.c (single_scalar_field_in_record_p): New function.
3926 (decide_block_copy): Use it.
3928 2006-11-20 David Daney <ddaney@avtrex.com>
3930 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
3931 PC to point to following instruction.
3933 2006-11-20 Anatoly Sokolov <aesok@post.ru>
3937 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
3939 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
3941 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
3943 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
3944 Add sh/superh.h to tm_file.
3946 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
3947 Mark Mitchell <mark@codesourcery.com>
3949 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
3951 (cpp_relocated): New function.
3952 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
3954 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
3955 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
3956 replace configured prefix with gcc_exec_prefix.
3958 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
3960 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
3961 bfin_legitimate_constant_p.
3962 * config/bfin/bfin.md (movsi expander): Check return value of
3964 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
3965 (expand_move): Adjust prototype.
3966 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
3967 invalid constants specially.
3968 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
3970 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
3972 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
3973 sibcall_value_symbol): Allow these patterns if
3974 TARGET_LEAF_ID_SHARED_LIBRARY.
3975 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
3976 (override_options): Turn on id shared library flags if -msep-data,
3977 but disallow the combination of these options on the command line.
3978 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
3979 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
3980 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
3981 -mid-shared-library.
3982 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
3983 * doc/invoke.texi (Blackfin Options): Document new switches.
3985 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
3986 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
3988 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
3989 inflate costs for addresses with an out-of-bounds address.
3991 2006-11-19 Andrew Pinski <pinskia@gmail.com>
3994 * fwprop.c (loops): Remove.
3995 (forward_propagate_into): Use current_loops instead of
3997 (fwprop_init): Call loop_optimizer_init instead of
3999 (fwprop_done): Call loop_optimizer_finalize instead of
4001 (fwprop): Use current_loops instead of loops.
4003 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
4006 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
4008 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4011 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
4012 larger than BITS_PER_WORD.
4014 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4018 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
4019 to MAX_FIXED_MODE_SIZE.
4021 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4023 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
4024 (fold_builtin_fmin_fmax): New.
4025 (fold_builtin_1): Use it.
4027 * fold-const.c (fold_strip_sign_ops): Handle copysign.
4029 2006-11-18 Richard Guenther <rguenther@suse.de>
4031 * config/i386/i386.c (ix86_builtins): New array for ix86
4032 builtin function decls.
4033 (def_builtin): New function.
4034 (def_builtin_const): Likewise.
4035 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
4037 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
4039 * doc/invoke.texi (core2): Add item.
4041 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
4043 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
4044 (TARGET_CPU_DEFAULT_generic): Change value.
4045 (TARGET_CPU_DEFAULT_NAMES): Add core2.
4046 (processor_type): Add new constant PROCESSOR_CORE2.
4048 * config/i386/i386.md (cpu): Add core2.
4050 * config/i386/i386.c (core2_cost): New initialized variable.
4051 (m_CORE2): New macro.
4052 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
4053 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
4054 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
4055 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4056 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4057 x86_accumulate_outgoing_args, x86_prologue_using_move,
4058 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
4059 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
4060 x86_use_incdec, x86_four_jump_limit, x86_schedule,
4061 x86_pad_returns): Add m_CORE2.
4062 (override_options): Add entries for Core2.
4063 (ix86_issue_rate): Add case for Core2.
4065 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
4067 * doc/invoke.texi: Fix mno-isel typo.
4069 2006-11-18 Joseph Myers <joseph@codesourcery.com>
4071 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
4072 easy vector constant loads.
4074 2006-11-18 Joseph Myers <joseph@codesourcery.com>
4076 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
4077 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4078 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
4079 * config/rs6000/sync.md (lwsync): Emit plain sync if
4082 2006-11-17 DJ Delorie <dj@redhat.com>
4084 * reload1.c (reloads_unique_chain): New.
4085 (reloads_conflict): Call it.
4087 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4089 * config/xtensa/predicates.md (addsubx_operand): New.
4090 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
4091 (xtensa_emit_bit_branch): New.
4092 (xtensa_emit_movcc): New.
4093 * config/xtensa/xtensa.md (any_minmax): New code macro.
4094 (minmax): New code attribute.
4095 (any_cond, any_scc, any_scc_sf): New code macros.
4096 (*addx2, *addx4, *addx8): Delete.
4098 (*subx2, *subx4, *subx8): Delete.
4100 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
4101 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
4102 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
4103 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
4104 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
4105 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
4106 (movsfcc_internal0, movsfcc_internal1): Likewise.
4107 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
4108 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
4109 (xtensa_emit_bit_branch): New.
4110 (xtensa_emit_movcc): New.
4111 (function_arg_boundary): Add missing prototype.
4113 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4115 * config/xtensa/xtensa.md (tstsi): Delete
4117 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4119 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
4121 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4123 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4125 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4127 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
4129 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4131 * tree-vrp.c (execute_vrp): Do not update current_loops.
4132 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
4133 * doc/loop.texi: Remove documentation for cancelled functions.
4134 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
4135 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
4137 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
4138 (remove_path): Ensure that in delete_basic_blocks, the loops
4139 are still allocated.
4140 (add_loop): Work on valid loop structures.
4141 (loopify): Modify call of add_loop.
4142 (mfb_update_loops): Removed.
4143 (create_preheader): Do not update loops explicitly.
4144 (force_single_succ_latches, loop_version): Do not use
4145 loop_split_edge_with.
4146 (loop_split_edge_with): Removed.
4147 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
4148 Do not use bsi_insert_on_edge_immediate_loop.
4149 (split_loop_exit_edge, tree_unroll_loop): Do not use
4150 loop_split_edge_with.
4151 (bsi_insert_on_edge_immediate_loop): Removed.
4152 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
4153 use loop_split_edge_with.
4154 * cfghooks.c: Include cfgloop.h.
4155 (verify_flow_info): Verify that loop_father is filled iff current_loops
4157 (redirect_edge_and_branch_force, split_block, delete_basic_block,
4158 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
4160 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
4162 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
4163 loop_split_edge_with.
4164 (sms_schedule): Use current_loops.
4165 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
4166 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
4168 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
4169 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
4170 * ifcvt.c (if_convert): Ditto.
4171 * predict.c (predict_loops): Do not clear current_loops.
4172 (tree_estimate_probability): Use current_loops.
4173 (propagate_freq): Receive head of the region to propagate instead of
4175 (estimate_loops_at_level): Do not use shared to_visit bitmap.
4176 (estimate_loops): New function. Handle case current_loops == NULL.
4177 (estimate_bb_frequencies): Do not allocate tovisit. Use
4179 * tree-ssa-loop.c (current_loops): Removed.
4180 (tree_loop_optimizer_init): Do not return loops.
4181 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
4182 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
4183 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
4184 Do not update loops explicitly.
4185 * function.h (struct function): Add x_current_loops field.
4186 (current_loops): New macro.
4187 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
4188 * loop-unroll.c (split_edge_and_insert): New function.
4189 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
4190 use loop_split_edge_with.
4191 * loop-doloop.c (add_test, doloop_modify): Ditto.
4192 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
4193 * cfglayout.c (copy_bbs): Do not update loops explicitly.
4194 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
4195 * tree-vect-transform.c (vect_transform_loop): Do not update loops
4197 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
4198 (flow_loops_free): Do not free dfs_order and rc_order.
4199 (flow_loops_find): Do not set dfs_order and rc_order in loops
4200 structure. Do not call loops and flow info verification.
4201 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
4202 already belongs to some loop.
4203 * cfgloop.h (struct loops): Remove struct cfg.
4204 (current_loops, loop_split_edge_with): Declaration removed.
4205 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
4206 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
4207 Declaration removed.
4208 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
4209 * basic-block.h (split_edge_and_insert): Declare.
4210 * tree-cfg.c (remove_bb): Do not update loops explicitly.
4212 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4214 PR tree-optimization/29801
4215 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
4216 (get_default_value): Use get_symbol_constant_value.
4217 (set_lattice_value): ICE when the value of the constant is
4219 (visit_assignment): Ignore VDEFs of read-only variables.
4221 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4223 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
4225 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
4226 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
4228 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4230 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
4231 select subvars of var.
4233 2006-11-17 Jakub Jelinek <jakub@redhat.com>
4236 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
4237 optimize if DEF doesn't have integral type.
4239 2006-11-16 Mike Stump <mrs@apple.com>
4241 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
4242 pre-darwin9 system, unless the user asks for it directly.
4243 (PREFERRED_DEBUGGING_TYPE): Likewise.
4244 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
4245 * config.gcc: Add suppport for darwin9.h.
4246 * config/darwin9.h: Add.
4247 * doc/install.texi (Specific): Clarify darwin documentation.
4249 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
4251 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
4252 optimizing for size.
4254 2006-11-16 Mike Stump <mrs@apple.com>
4256 * Makefile.in (targhooks.o): Add $(OPTABS_H).
4258 2006-11-16 Dirk Mueller <dmueller@suse.de>
4260 * tree-vrp.c (get_value_range): Use XCNEW instead
4262 (insert_range_assertions): Use XCNEWVEC instead
4263 of XNEWVEC and memset.
4264 (vrp_initialize): Same.
4265 (vrp_finalize): Same.
4266 * tree-ssa-ccp.c (ccp_initialize): Same.
4267 * predict.c (tree_bb_level_predictions): Same.
4268 * calls.c (expand_call): Same.
4269 * tree-ssa-copy.c (init_copy_prop): Same.
4270 (fini_copy_prop): Same.
4271 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
4272 of GGC_NEW and memset.
4274 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
4277 * gimplify.c (gimplify_expr): Only force a load for references to
4278 non-BLKmode volatile values.
4279 * doc/implement-c.texi (Qualifiers implementation): Document the
4280 interpretation of what a volatile access is.
4281 * doc/extend.texi (C++ Extensions): Rework same documentation.
4283 2006-11-16 Joseph Myers <joseph@codesourcery.com>
4285 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
4288 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
4290 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
4292 (arm_neg_abssi2): Renamed from neg_abssi2.
4293 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
4295 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
4297 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
4298 number of arguments passed to local functions in SSE registers is 3.
4300 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
4301 number of arguments passed in SSE registers to 3.
4303 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4306 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
4308 (get_last_bb_insn): ... new global function.
4309 (basic_block.h): Declare it.
4310 * haifa-sched.c (create_recovery_block): Use it.
4312 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
4315 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
4317 2006-11-15 Paul Brook <paul@codesourcery.com>
4319 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
4320 _Unwind_GetTextRelBase): Move from here ...
4321 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
4322 _Unwind_GetTextRelBase): ... To here.
4324 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4326 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
4327 addresses we generate for testing are aligned.
4329 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
4332 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
4333 to what is the const decl is a place holder for.
4335 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
4337 * config/i386/i386.opt: New target option -mx87regparm.
4339 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
4340 and float_in_x87 variables. mmx_words, sse_words: Remove.
4341 (X87_REGPARM_MAX): Define.
4343 * config/i386/i386.c (override_options): Error out for
4344 -mx87regparm but no 80387 support.
4345 (ix86_attribute_table): Add x87regparm.
4346 (ix86_handle_cconv_attribute): Update comments for x87regparm.
4347 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
4348 (ix86_function_x87regparm): New function.
4349 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
4351 (init_cumulative_args): Initialize x87_nregs and float_in_x87
4353 (function_arg_advance): Process x87_nregs and x87_regno when
4354 floating point argument is to be passed in 80387 register.
4355 (function_arg): Pass XFmode arguments in 80387 registers for local
4356 functions. Pass SFmode and DFmode arguments to local functions
4357 in 80387 registers when flag_unsafe_math_optimizations is set.
4359 * reg-stack.c (convert_regs_entry): Disable NaN load for
4360 stack registers that are used for argument passing.
4362 * doc/extend.texi: Document x87regparm function attribute.
4363 * doc/invoke.texi: Document -mx87regparm.
4365 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4367 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
4368 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
4369 arg MODE; all callers changed. Use it to determine validity per
4370 machine mode instead of using Pmode for all memory references.
4371 (get_address_cost): Likewise add and use new arg MEM_MODE.
4373 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
4374 J"orn Rennecke <joern.rennecke@st.com>
4376 * combine.c (likely_spilled_retval_1): Fix masking operation.
4377 (likely_spilled_retval_p): Use proper pattern for call to
4378 likely_spilled_retval_1.
4380 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4382 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
4384 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
4385 that tests for CONSTANT_POOL_ADDRESS_P.
4387 2006-11-15 Jakub Jelinek <jakub@redhat.com>
4389 PR tree-optimization/29581
4390 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
4391 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
4392 type is different between Y and USE, create a temporary
4393 variable, initialize it at the beginning of the body bb
4394 and use it as replacement instead of Y.
4396 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
4399 * gimplify.c (fold_indirect_ref_rhs): Use
4400 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
4402 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
4404 * expmed.c (emit_store_flag_1): New function.
4405 (emit_store_flag): Call it. If we can't find a suitable scc insn,
4407 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
4408 Use do_compare_rtx_and_jump.
4409 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
4410 * arm.md (cstoresi4): New define_expand.
4411 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
4412 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
4413 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
4415 2006-11-14 Caroline Tice <ctice@apple.com>
4417 * dwarf2out.c (debug_pubtypes_section): New static global variable.
4418 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
4420 (pubname_table): Redefine as a vector.
4421 (pubtype_table): New static global variable, defined as a vector.
4422 (pubname_table_allocated): Remove static global variable.
4423 (pubname_table_in_use): Remove static global variable.
4424 (PUBNAME_TABLE_INCREMENT): Remove constant.
4425 (size_of_pubnames): Add parameter to deal with either pubnames or
4426 pubtypes, and change code to deal with table being a vector.
4427 (add_pubname): Change to deal with table being a vector.
4428 (add_pubtype): New function.
4429 (output_pubnames): Add parameter to deal with either pubnames or
4430 pubtypes, and change code to deal with table being a vector.
4431 (gen_array_type_die): Add call to add_pubtype.
4432 (gen_enumeration_type_die): Add call to add_pubtype.
4433 (gen_struct_or_union_type_die): Add call to add_pubtype.
4434 (gen_subroutine_type_die): Add call to add_pubtype.
4435 (gen_typedef_die): Add call to add_pubtype.
4436 (dwarf2out_init): Add code to initialize pubname_table and
4437 pubtype_table vectors; also initialize debug_pubtypes_section.
4438 (prune_unused_types): Change to deal with pubnames being a vector.
4439 (dwarf2out_finish): Change to deal with pubnames being a vector; add
4440 pubnames table to call to output_pubnames; Add code to output pubtypes
4441 table if DEBUG_PUBTYPES_SECTION is defined.
4442 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
4444 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
4446 2006-11-14 Joseph Myers <joseph@codesourcery.com>
4448 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
4449 iwmmxt_nregs if TARGET_IWMMXT_ABI.
4450 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
4451 movv2si_internal): Support moves between core registers.
4453 2006-11-14 Eric Christopher <echristo@apple.com>
4455 * configure: Regenerate with autoconf 2.59.
4457 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
4459 Fix PR tree-optimization/27755
4461 * tree-ssa-pre.c: Update comments.
4462 (bb_bitmap_sets): Add pa_in and deferred member.
4463 (BB_DEFERRED): New macro.
4464 (maximal_set): New variable.
4465 (pre_stats): Add pa_insert member.
4466 (bitmap_set_and): Short circuit orig == dest.
4467 (bitmap_set_subtract_values): New function.
4468 (bitmap_set_contains_expr): Ditto.
4469 (translate_vuses_through_block): Add phiblock argument.
4470 (dependent_clean): New function.
4471 (compute_antic_aux): Update for maximal_set changes.
4472 (compute_partial_antic_aux): New function.
4473 (compute_antic): Handle partial anticipation.
4474 (do_partial_partial_insertion): New function.
4475 (insert_aux): Handle partial anticipation.
4476 (add_to_sets): Add to maximal set.
4477 (compute_avail): Ditto.
4478 (init_pre): Initialize maximal_set.
4479 (execute_pre): Do partial anticipation if -O3+.
4481 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
4483 PR rtl-optimization/29798
4485 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
4486 TARGET_INSN before any other check.
4487 (fwprop_init): Always calculate dominators.
4488 (fwprop_done): Always free them.
4490 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4492 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
4495 2006-11-13 DJ Delorie <dj@redhat.com>
4497 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
4498 temporary for intermediates.
4500 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
4502 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
4503 (sh_optimize_target_register_callee_saved): #if 0 the code
4504 using NOTE_INSN_LOOP_{BEG,END}.
4506 2006-11-13 Roger Sayle <roger@eyesopen.com>
4508 * fold-const.c (optimize_bit_field_compare): Recursively call
4509 fold when simplifying non-constant comparisons between bit-fields.
4511 2006-11-13 Jakub Jelinek <jakub@redhat.com>
4513 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
4515 * configure: Rebuilt.
4517 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
4519 * config/rs6000/cell.md: New file.
4520 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
4522 (ppccell_cost): New cost matrix.
4523 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
4524 (rs6000_override_options): Set rs6000_always_hint to false
4525 for cell. Also align functions/lables/loops to 8byte
4526 for the Cell. Use PROCESSOR_CELL.
4527 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
4528 using_mtcr_multiple.
4529 (rs6000_variable_issue): If the insn is a nonpipelined instruction
4530 on the Cell, return 0.
4531 (rs6000_adjust_cost): Add Cell cost adjustments.
4532 (is_microcoded_insn): Return true for Cell microcoded
4534 (is_nonpipeline_insn): New function.
4535 (rs6000_issue_rate): Add PROCESSOR_CELL.
4536 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
4538 (rs6000_use_sched_lookahead_guard): New function.
4539 (rs6000_sched_reorder): Reorder the ready list, if the second
4540 to last ready insn is a nonepipeline insn on the Cell.
4541 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
4542 (ASM_CPU_SPEC): Add Cell.
4543 * config/rs6000/rs6000.md (cpu): Add Cell.
4544 (cell_micro): New Attr.
4547 2006-11-13 Jakub Jelinek <jakub@redhat.com>
4549 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
4551 * configure: Rebuilt.
4553 2006-11-13 Richard Guenther <rguenther@suse.de>
4555 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
4557 (ix86_expand_lfloorceil): Likewise.
4558 (ix86_expand_rint): Likewise.
4559 (ix86_expand_floorceildf_32): Likewise.
4560 (ix86_expand_floorceil): Likewise.
4561 (ix86_expand_rounddf_32): Likewise.
4562 (ix86_expand_truncdf_32): Likewise.
4563 (ix86_expand_round): Likewise.
4565 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
4566 Mark Mitchell <mark@codesourcery.com>
4568 * gcc.c: Organize search path variables into $prefix relative,
4569 and well-known native. Add comments.
4570 (add_sysrooted_prefix): Add comment.
4571 (process_command): If !gcc_exec_prefix add $prefix based paths.
4572 If *cross_compile == '0', add native well-known paths.
4573 Assert tooldir_base_prefix is always relative.
4574 (main): If print_search_dirs, and if gcc_exec_prefix is set,
4575 use this value for 'install:' path.
4576 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
4578 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
4580 * config/i386/i386.c: Fix a typo in comment.
4582 2006-11-13 Michael Matz <matz@suse.de>
4584 * genemit.c (gen_expand): Allocate enough memory.
4586 2006-11-13 Joseph Myers <joseph@codesourcery.com>
4588 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
4589 __GXX_TYPEINFO_EQUALITY_INLINE but not
4590 __GXX_MERGED_TYPEINFO_NAMES.
4591 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
4592 __GXX_MERGED_TYPEINFO_NAMES.
4593 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
4594 __GXX_TYPEINFO_EQUALITY_INLINE.
4596 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
4597 Zdenek Dvorak <dvorakz@suse.cz>
4599 PR tree-optimization/29680
4600 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
4603 2006-11-12 Jason Merrill <jason@redhat.com>
4604 Andrew Pinski <pinskia@physics.uc.edu>
4607 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
4609 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
4611 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
4612 * tree.c (build_vector): Handle non-_CST elements.
4614 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
4616 * genemit.c (gen_insn): Call gen_exp with a non-null used
4617 when handling multiple insns.
4618 (gen_expand): Likewise.
4619 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
4620 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
4621 (movsi_const_16bit+1): Copy operands[1].
4622 (call_pcrel): Copy the call_site pattern.
4623 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
4625 2006-11-12 Roger Sayle <roger@eyesopen.com>
4627 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
4628 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
4629 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
4630 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
4632 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
4634 Fix PR tree-optimization/29587
4635 * tree-ssa-structalias.c (process_constraint): Don't
4636 mark address taken due only to escaped vars constraint.
4638 2006-11-12 Michael Matz <matz@suse.de>
4639 Roger Sayle <roger@eyesopen.com>
4641 PR rtl-optimization/29797
4642 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
4643 BITS_BIG_ENDIAN targets.
4645 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4647 * builtins.c (fold_builtin_cosh): New.
4648 (fold_builtin_1): Use it.
4649 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
4650 trunc to the list of "odd" functions. Also add llrint, lrint,
4651 rint and nearbyint when flag_rounding_math is false.
4653 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4655 * tree-flow.h (name_mappings_registered_p): Declare.
4656 * tree-into-ssa.c (name_mappings_registered_p): New function.
4657 * tree-cfg.c (tree_can_merge_blocks_p): Check
4658 name_mappings_registered_p instead of need_ssa_update_p.
4660 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4662 * tree-ssa-loop.c (tree_vectorize): Return the result of
4664 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
4665 if anything changed.
4666 * tree-vectorizer.h (vectorize_loops): Declaration removed.
4667 * tree-flow.h (vectorize_loops): Declaration changed.
4669 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4671 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
4673 (issue_prefetch_ref): Move assignment to write_p out of loop.
4674 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
4675 SIMULTANEOUS_PREFETCHES into account.
4676 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
4677 * lambda-code.c (lcm): Renamed to ...
4678 (least_common_multiple): ... and exported.
4679 * tree-flow.h (least_common_multiple): Declare.
4681 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4683 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
4684 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
4685 ud-chains. Handle AND_EXPR.
4686 (record_estimate): Record whether the estimate is realistic
4687 and whether it is derived from a loop exit.
4688 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
4689 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
4691 (compute_estimated_nb_iterations): Take only realistic bounds into
4692 account. Set estimate_state. Use double_ints.
4693 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
4694 and infer_loop_bounds_from_signedness. Do not consider basic blocks
4695 that do not have to be always executed.
4696 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
4697 to determine whether to call infer_loop_bounds_from_undefined
4698 and compute_estimated_nb_iterations.
4699 (n_of_executions_at_most): Use double_ints.
4700 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
4701 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
4702 * double-int.c (double_int_to_tree): Improve comment.
4703 (double_int_fits_to_tree_p): New function.
4704 * double-int.h (double_int_fits_to_tree_p): Declare.
4705 * tree-data-ref.c: Include langhooks.h.
4706 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
4707 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
4708 (analyze_array): Do not pass estimate_only argument to
4709 analyze_array_indexes.
4710 (get_number_of_iters_for_loop): Build tree from the stored double_int
4712 (get_references_in_stmt, find_data_references_in_stmt): New functions.
4713 (find_data_references_in_loop): Use find_data_references_in_stmt.
4714 * tree-data-ref.h (struct data_ref_loc_d): New.
4715 (get_references_in_stmt): Declare.
4716 (estimate_iters_using_array): Declaration removed.
4717 * cfgloop.h (struct nb_iter_bound): Change type of bound to
4718 double_int. Improve comments. Add is_exit and realistic
4720 (struct loop): Changed type of estimated_nb_iterations to double_int.
4721 Added estimate_state field.
4722 (record_estimate): Declaration removed.
4724 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4726 * params.c (set_param_value): Initialize the "set" field.
4727 * params.h (struct param_info): Add "set" field.
4728 (PARAM_SET_P): New macro.
4729 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
4730 L1_CACHE_LINE_SIZE): New macros.
4731 * toplev.c (DEFPARAM): Initialize the "set" field.
4732 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
4733 SIMULTANEOUS_PREFETCHES): Removed.
4734 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
4735 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
4736 * config/sparc/sparc.c: Include params.h.
4737 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
4738 L1_CACHE_LINE_SIZE parameters.
4739 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
4741 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
4743 * config/i386/i386.c: Include params.h.
4744 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
4745 (override_options): Set SIMULTANEOUS_PREFETCHES and
4746 L1_CACHE_LINE_SIZE parameters.
4747 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
4748 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
4749 L1_CACHE_LINE_SIZE parameters.
4750 * config/ia64/ia64.c (ia64_optimization_options): Set
4751 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
4752 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
4754 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
4755 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
4756 * doc/invoke.texi: Document new params.
4758 2006-11-12 Roger Sayle <roger@eyesopen.com>
4760 PR tree-optimization/13827
4761 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
4764 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4766 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
4767 update_single_exit_for_duplicated_loops): New functions.
4768 (duplicate_loop_to_header_edge): Use
4769 update_single_exit_for_duplicated_loops.
4770 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
4771 functions only with ENABLE_CHECKING.
4773 2006-11-12 Andreas Schwab <schwab@suse.de>
4775 * except.c (sjlj_emit_function_enter): Remove unused variable.
4777 2006-11-11 Roger Sayle <roger@eyesopen.com>
4779 * fold-const.c (int_binop_types_match_p): New function.
4780 (size_binop): Relax constraint that both arguments must both have
4781 exactly the same sizetype type. Instead use int_binop_types_match_p.
4782 (size_diffop): Likewise.
4784 (make_range): Use build_int_cst instead of fold_convert.
4785 (fold_cond_expr_with_comparison): Use build_int_cst to construct
4786 integer constants of the correct type.
4787 (fold_div_compare): Likewise.
4788 (fold_single_bit_test): Likewise.
4789 (fold_binary): Likewise.
4790 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
4791 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
4793 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
4796 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
4797 non null value if the struct memory access is in the 0th
4800 2006-11-12 Jie Zhang <jie.zhang@analog.com>
4803 2006-11-11 Jie Zhang <jie.zhang@analog.com>
4804 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
4807 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
4808 instead of builtin_define for bfin and BFIN.
4810 2006-11-11 Jie Zhang <jie.zhang@analog.com>
4812 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
4815 2006-11-11 Jan Hubicka <jh@suse.cz>
4817 * extend.texi (__builtin_expect): We no longer require second argument
4819 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
4820 * builtins.c (expand_builtin_expect): Simplify.
4821 (expand_builtin_expect_jump): Kill.
4822 * final.c (final_scan_insn): Do not skip the removed notes.
4823 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
4824 EXPECTED_VALUE): Remove.
4825 * dojump.c (do_jump): Do not care about __builtin_expect.
4826 * predict.c (expected_value_to_br_prob): Kill.
4827 * function.c (expand_function_end): Do not expand
4828 NOTE_INSN_REPEATED_LINE_NUMBER.
4829 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
4830 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
4831 * cfgexpand.c (add_reg_br_prob_note): Export.
4832 * cfgcleanup.c (rest_of_handle_jump2): Do not call
4833 expected_value_to_br_prob.
4834 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
4835 * rtl.h (add_reg_br_prob_note): Declare.
4837 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4839 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
4841 2006-11-11 Jan Hubicka <jh@suse.cz>
4843 * predict.c (predict_loops): Kill RTL variant.
4845 2006-11-11 Jan Hubicka <jh@suse.cz>
4847 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
4848 * modulo-sched.c (find_line_note): Remove.
4849 (loop_canon_p): Do not worry about line number notes.
4850 (sms_schedule): Likewise.
4851 * cse.c (cse_main): Likewise.
4852 * regmove.c (fixup_match_1): Likewise
4853 * function.c (emit_return_info_block): Likewise.
4854 (expand_function_end): Likewise.
4855 (thread_prologue_an_epilogue_insns): Likewise.
4856 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
4858 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
4859 emit_note_copy_after): Kill.
4860 (emit_note_copy): Do not worry about line numbers.
4861 * jump.c (purge_line_number_notes): Kill.
4862 (pass_purge_lineno_notes): Kill.
4863 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
4865 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
4866 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
4867 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
4868 * tree-pass.h (pass_purge_lineno_notes): Kill.
4869 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
4870 rm_redundant_line_notes.
4871 * sched-rgb.c (schedule_region): Don't rm_line_notes,
4872 rm_redundant_line_notes.
4873 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
4874 * haifa-sched.c: Update comment about handling notes.
4875 (unlink_line_notes): Kill.
4876 (rm_line_notes): Kill.
4877 (save_line_notes): Simplify.
4878 (rm_redundant_line_notes): Kill.
4880 2006-11-11 Richard Guenther <rguenther@suse.de>
4882 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
4883 Remove unused tree codes.
4884 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
4885 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
4886 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
4887 * tree.c (stabilize_reference): Likewise.
4888 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
4889 fold_unary): Likewise.
4890 * tree-gimple.c (is_gimple_cast): Likewise.
4891 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
4892 * expr.c (expand_expr_real_1): Likewise.
4893 * tree-eh.c (tree_could_trap_p): Likewise.
4894 * gimplify.c (gimplify_expr): Likewise.
4895 * tree-inline.c (estimate_num_insns_1): Likewise.
4896 * tree-cfg.c (verify_expr): Likewise.
4898 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
4900 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
4901 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
4902 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
4904 2006-11-11 Richard Sandiford <richard@codesourcery.com>
4907 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
4908 constraints accept neither registers or memories.
4910 2006-11-11 Jie Zhang <jie.zhang@analog.com>
4912 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
4913 (NO_PROFILE_COUNTERS): Define as 1.
4915 2006-11-10 Roger Sayle <roger@eyesopen.com>
4917 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
4918 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
4920 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
4922 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
4924 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4926 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
4927 (fold_builtin_hypot): Likewise.
4928 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
4930 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
4932 2006-11-10 Roger Sayle <roger@eyesopen.com>
4934 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
4935 when attempting to build INTEGER_CSTs of non-integral types.
4936 * expmed.c (make_tree): Use the correct type, i.e. the inner
4937 type, when constructing the individual elements of a CONST_VECTOR.
4939 2006-11-10 Jan Hubicka <jh@suse.cz>
4941 * cse.c (cse_process_notes): Copy the propagated value.
4942 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
4944 * gcse.c (try_replace_reg): Copy the replacement.
4945 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
4946 (assign_386_stack_local): Always return copied memory expression
4947 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
4950 2006-11-10 Jan Hubicka <jh@suse.cz>
4952 * final.c (final): Walk from first instruction.
4953 * cfglayout.c (insn_locators_initialize): Remove line number notes.
4955 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
4958 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
4960 (umulv8hi3_highpart): Ditto.
4961 (vec_widen_smult_hi_v8hi): New expander.
4962 (vec_widen_smult_lo_v8hi): Ditto.
4964 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4967 * builtins.c (do_mpfr_arg3): New.
4968 (fold_builtin_1): Handle builtins fma, fmin and fmax.
4970 2006-11-09 Eric Christopher <echristo@apple.com>
4975 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
4976 * config.gcc (powerpc64-*-darwin*): New target.
4977 * config.host: Ditto.
4978 * config/rs6000/darwin64.h: New file.
4979 * config/rs6000/x-darwin64: Ditto.
4980 * config/rs6000/host-ppc64-darwin.c: Ditto.
4982 2006-11-09 Steve Ellcey <sje@cup.hp.com>
4984 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
4985 routines for integer division.
4987 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
4989 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
4991 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
4994 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
4996 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
4998 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
4999 simplify_subreg with BLKmode outer mode.
5001 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
5003 * doc/invoke.texi: Minor formatting fixes in option lists.
5005 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
5007 PR tree-optimization/29738
5008 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
5009 (ccp_lattice_t): Remove UNKNOWN_VAL.
5010 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
5011 Do not handle UNKNOWN_VAL.
5012 (get_default_value): Set initial value of virtual operands to
5014 (get_value): Always use get_default_value on uninitialized
5016 (set_value_varying, surely_varying_stmt_p): New functions.
5017 (set_lattice_value): Do not pass argument to get_value.
5018 Do not handle UNKNOWN_VAL.
5019 (likely_value): Follow the semantics described in the comment.
5020 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
5021 phi nodes DONT_SIMULATE_AGAIN.
5022 (ccp_fold): Do not pass argument to get_value.
5023 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
5026 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
5028 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
5029 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
5031 2006-11-08 Roger Sayle <roger@eyesopen.com>
5033 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
5034 test for inclusion rather than as a test for exclusion.
5035 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
5036 the condition after calling fold_binary.
5037 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
5038 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
5039 * builtins.c (fold_builtin_isascii): Likewise.
5040 (fold_builtin_isdigit): Likewise.
5042 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
5044 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
5045 * configure: Regenerate.
5047 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5049 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
5050 enum argument instead of bool.
5051 (vect_analyze_operations): Call vectorizable_type_promotion.
5052 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
5053 stmt_vec_info_type value.
5054 (supportable_widening_operation, vectorizable_type_promotion): New
5055 function declarations.
5056 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
5057 (vectorizable_type_promotion): New function.
5058 (vect_transform_stmt): Call vectorizable_type_promotion.
5059 * tree-vect-analyze.c (supportable_widening_operation): New function.
5060 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
5062 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
5065 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
5066 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
5067 * tree-inline.c (estimate_num_insns_1): Add cases for above new
5069 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5070 * expr.c (expand_expr_real_1): Likewise.
5071 * optabs.c (optab_for_tree_code): Likewise.
5072 (init_optabs): Initialize new optabs.
5073 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
5074 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
5075 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
5076 vec_unpacku_lo_optab): Initialize new optabs.
5077 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
5078 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
5079 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
5081 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
5082 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
5083 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
5084 (vec_unpacku_lo_optab): New optabs.
5085 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
5086 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
5087 (vec_widen_smult_hi, vec_widen_smult_lo): New.
5088 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
5089 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
5090 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
5092 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
5093 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
5094 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
5095 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
5096 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
5097 implement the unsigned unpacking patterns.
5098 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
5099 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
5100 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
5101 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
5102 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
5103 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
5104 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
5105 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
5106 multiplication patterns.
5108 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
5109 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
5110 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
5111 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
5112 (rs6000_builtin_mul_widen_odd): New.
5113 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
5114 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
5115 * tree-vectorizer.h (enum vect_relevant): New enum type.
5116 (_stmt_vec_info): Field relevant chaned from bool to enum
5118 (STMT_VINFO_RELEVANT_P): Updated.
5119 (STMT_VINFO_RELEVANT): New.
5120 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
5121 instead of STMT_VINFO_RELEVANT_P.
5122 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
5123 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
5124 and boolean variable with enum vect_relevant.
5125 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
5126 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
5127 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
5129 2006-11-08 Richard Henderson <rth@redhat.com>
5131 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
5132 vec_widen_umult_lo_v8hi): New.
5133 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
5134 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
5136 * config/i386/i386.c (ix86_expand_sse_unpack): New.
5137 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
5138 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
5139 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
5140 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
5141 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
5142 vec_unpacks_lo_v4si): New.
5144 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5146 * tree-vect-transform.c (vectorizable_type_demotion): New function.
5147 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
5148 (vect_analyze_operations): Call vectorizable_type_demotion.
5149 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
5150 stmt_vec_info_type value.
5151 (vectorizable_type_demotion): New function declaration.
5152 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
5155 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
5156 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
5158 * tree-iniline.c (estimate_num_insns_1): Likewise.
5159 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5160 * optabs.c (optab_for_tree_code): Likewise.
5162 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
5163 compared against the predicate of the result is not 'mode' (the input
5164 to the function) but a mode with half the size of 'mode'.
5165 (init_optab): Initialize new optabs.
5166 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
5168 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
5170 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
5171 (vec_pack_usat_optab): Initialize new optabs.
5172 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
5173 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
5175 2006-11-08 Richard Henderson <rth@redehat.com>
5177 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
5178 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
5179 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
5180 (vec_interleave_highv4si, vec_interleave_lowv4si):
5181 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
5183 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5185 * tree-vect-transform.c (vectorizable_reduction): Support multiple
5187 (vect_transform_stmt): Removed redundant code.
5189 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5191 * tree-vect-transform.c (vectorizable_operation): Support multiple
5194 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5196 * tree-vect-transform.c (vect_align_data_ref): Removed.
5197 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
5198 Updated function documentation. Return the increment stmt in ptr_incr.
5199 (bump_vector_ptr): New function.
5200 (vect_get_vec_def_for_stmt_copy): New function.
5201 (vect_finish_stmt_generation): Create a stmt_info to newly created
5203 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
5205 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
5206 VF is greater than the number of elements that can fit in one vector
5208 (vectorizable_operation, vectorizable_condition): Likewise.
5209 (vectorizable_store, vectorizable_load): Support the case that the VF
5210 is greater than the number of elements that can fit in one vector word.
5211 (vect_transform_loop): Don't fail in case of multiple data-types.
5212 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
5213 in case of multiple data-types; the smallest type determines the VF.
5214 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
5215 if they are of different sizes.
5216 (vect_update_misalignment_for_peel): Compare misalignments in terms of
5217 number of elements rather than number of bytes.
5218 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
5219 (vect_can_advance_ivs_p): Fix a dump printout
5221 2006-11-07 Eric Christopher <echristo@apple.com>
5223 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
5224 (__bswapsi2): Ditto.
5225 * libgcc2.h: Remove transformation of bswap routines.
5226 * config/i386/i386.md (bswapsi2): New.
5229 2006-11-07 Jakub Jelinek <jakub@redhat.com>
5231 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
5232 (handle_gnu_inline_attribute): New function.
5233 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
5234 (merge_decls, start_decl, start_function): Likewise.
5235 * doc/extend.texi: Document gnu_inline attribute.
5237 2006-11-07 Steve Ellcey <sje@cup.hp.com>
5240 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
5241 _fixunstfdi, and _floatditf
5243 2006-11-06 Anatoly Sokolov <aesok@post.ru>
5245 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
5247 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
5248 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
5249 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
5250 which start in an odd register.
5252 2006-11-07 Richard Sandiford <richard@codesourcery.com>
5254 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
5256 2006-11-07 Josh Conner <jconner@apple.com>
5258 * doc/invoke.texi (fstrict-aliasing): Move implementation
5260 * doc/tree-ssa.texi (Alias analysis): ...here.
5262 2006-11-07 Richard Guenther <rguenther@suse.de>
5264 PR tree-optimization/29610
5265 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
5266 of tree_purge_dead_eh_edges as it may free dominators.
5268 * g++.dg/other/pr29610.C: New testcase.
5270 2006-11-07 David Ung <davidu@mips.com>
5272 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
5273 costs when optimizing for size.
5274 (override_options): Use mips_rtx_cost_optimize_size table for cost
5277 2006-11-07 Jie Zhang <jie.zhang@analog.com>
5279 * gcc.c (process_command): Treat -b as normal switch if its argument
5282 2006-11-07 David Ung <davidu@mips.com>
5284 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
5287 2006-11-06 Eric Christopher <echristo@apple.com>
5289 * config.gcc: Add x86_64-darwin host support.
5290 * config.host: Ditto.
5291 * config/i386/darwin64.h: New file.
5292 * config/i386/t-darwin64: Ditto.
5294 2006-11-06 Janis Johnson <janis187@us.ibm.com>
5296 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
5297 and output-exists-not.
5299 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
5302 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
5303 checking for overflow.
5305 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
5307 * configure.ac: Fixed typo in case statement: :: changed to ;;
5309 2006-11-06 Bob Wilson <bob.wilson@acm.org>
5311 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
5312 count_leading_zeros, and count_trailing_zeros.
5313 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
5314 (TARGET_FOLD_BUILTIN): Define.
5315 (TARGET_EXPAND_BUILTIN): Define.
5316 (xtensa_init_builtins): New.
5317 (xtensa_fold_builtin): New.
5318 (xtensa_expand_builtin): New.
5319 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
5320 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
5321 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
5322 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
5323 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
5324 (any_extend): New code macro.
5325 (u, su): New code attributes.
5326 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
5327 (nsau): Remove; replaced by clzsi2.
5328 (ffssi2): Use clzsi2.
5329 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
5330 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
5331 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
5332 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
5333 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
5335 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
5337 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
5339 * config/arm/t-strongarm-elf: Likewise.
5340 * config/arm/t-pe: Likewise.
5341 * config/arm/t-arm-elf: Likewise.
5342 * config/arm/t-xscale-elf: Likewise.
5343 * config/arm/t-arm-coff: Likewise.
5344 * config/arm/t-xscale-coff: Likewise.
5345 * config/arm/t-wince-pe: Likewise.
5347 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
5349 * config/sh/lib1funcs-4-300.asm: Guard entire file with
5352 2006-11-05 Jakub Jelinek <jakub@redhat.com>
5355 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
5358 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
5361 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
5362 as a valid 80387 constant.
5363 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
5364 * config/i386/i386.md (unnamed splitter): Split the load of
5365 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
5368 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
5370 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
5371 from the soft-frame, argument and virtual registers.
5373 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
5375 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
5376 patterns for standard 80387 constants.
5378 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
5379 Steven Bosscher <steven@gcc.gnu.org>
5381 * fwprop.c: New file.
5382 * Makefile.in: Add fwprop.o.
5383 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
5384 * passes.c (init_optimization_passes): Schedule forward propagation.
5385 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
5387 * timevar.def (TV_FWPROP): New.
5388 * common.opt (-fforward-propagate): New.
5389 * opts.c (decode_options): Enable forward propagation at -O2.
5390 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
5391 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
5392 canon_for_address, table_size): Remove.
5393 (new_basic_block, insert, remove_from_table): Remove references to
5395 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
5396 simplification loop more straightforward by not calling fold_rtx
5398 (equiv_constant): Move here a small part of fold_rtx_subreg,
5399 do not call fold_rtx. Call avoid_constant_pool_reference
5401 * recog.h (canonicalize_change_group): New.
5403 * doc/invoke.texi (Optimization Options): Document fwprop.
5404 * doc/passes.texi (RTL passes): Document fwprop.
5406 2006-11-03 Geoffrey Keating <geoffk@apple.com>
5408 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
5409 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
5410 (grokdeclarator): Likewise.
5412 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
5414 * tree-dump.c (dump_enable_all): Rename local variable
5415 ir_type to avoid name conflicts.
5416 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
5417 instead of using ir_type().
5418 * profile.c (tree_register_profile_hooks): Likewise.
5419 * value-prof.c (tree_register_value_prof_hooks): Likewise.
5420 * basic-block.h (struct edge_def): Likewise.
5421 * config/arm/arm.c (legitimize_pic_address): Likewise.
5422 * coretypes.h (ir_type): New enum of all intermediate languages
5424 * cfghooks.c (ir_type): Rename to...
5425 (current_ir_type): ...this. Distinguish between cfgrtl and
5426 cfglayout mode when the current IR is RTL. Return enum ir_type.
5427 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
5429 2006-11-03 Paul Brook <paul@codesourcery.com>
5431 * config/arm/arm.c (arm_file_start): New function.
5432 (TARGET_ASM_FILE_START): Define.
5433 (arm_default_cpu): New variable.
5434 (arm_override_options): Set arm_default_cpu.
5436 2006-11-03 David Ung <davidu@mips.com>
5438 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
5439 PROCESSOR_24KC and PROCESSOR_24KF.
5440 * config/mips/mips.c (mips_cpu_info_table): Add processor names
5441 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
5442 (mips_rtx_cost_data): Add costs for the 24kc.
5443 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
5444 * config/mips/24k.md: Remove references to 24k and replace with
5445 uses of 24kc/24kf in the appropriate reservations.
5446 * doc/invoke.texi (MIPS Options): Updated.
5448 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
5450 * config/sh/crt1.asm: Fix #ifdef indent.
5452 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
5453 Merged from STMicroelectronics sources:
5454 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
5455 * config/sh/crt1.asm (vbr_600): Add missing #if.
5456 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
5457 * sh.opt (mfused-madd): New option.
5458 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
5459 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
5460 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
5461 Remove pointless handler at VBR+0.
5462 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
5463 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
5464 fr7. Make sure the timer handler is called with the correct FPU
5465 precision setting, according to the ABI.
5466 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
5467 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
5468 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
5469 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
5470 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
5471 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
5472 zero as second operand.
5473 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
5474 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
5475 Fixed some bugs related to negative values, in particular -0
5476 and overflow at -0x80000000.
5477 * config/sh/divcost-analysis: Added sh4-300 figures.
5478 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
5479 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
5480 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
5481 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
5482 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
5483 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
5485 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
5487 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
5488 SH4-300 scheduling description & fixes to SH4-[12]00 description:
5489 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
5490 mac_mem, mem_mac, dfp_mul, fp_cmp.
5491 (insn_class, dfp_comp, any_fp_comp): Update.
5492 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
5493 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
5494 (muldf3_i): Likewise.
5495 (movsi_i): Split rI08 alternative into two separate alternatives.
5497 (movsi_ie, movsi_i_lowpart): Likewise.
5498 (movqi_i): Split ri alternative into two separate alternatives.
5500 * sh1.md (sh1_load_store, sh1_fp): Update.
5501 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
5502 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
5503 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
5504 (sh4a_fp_double_arith): Likewise.
5505 * sh4-300.md: New file.
5506 * sh.c (sh_handle_option): Handle m4-300* options.
5507 (sh_adjust_cost): Fix latency of auto-increments.
5508 Handle SH4-300 differently than other SH4s. Check for new insn types.
5509 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
5510 been set by an option.
5511 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
5512 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
5513 (mbranch-cost=): Likewise.
5514 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
5516 * sh.md (mulsf3): Remove special expansion code.
5517 (mulsf3_ie): Now a define_insn_and_split.
5518 (macsf3): Allow for TARGET_SH4.
5520 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
5521 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
5522 (expand_cbranchdi4): Likewise.
5523 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
5524 CONST_DOUBLE if the outer code is COMPARE.
5525 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
5526 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
5527 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
5528 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
5529 Remove redundant fp_{zero,one}_operand checks.
5530 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
5531 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
5532 (expand_cbranchdi4): Likewise.
5533 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
5534 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
5536 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
5538 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
5541 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
5543 * doc/invoke.texi: Fix mfp-trap-mode typo.
5545 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
5547 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
5548 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
5549 file_end_indicate_exec_stack.
5550 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
5552 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
5553 for a non-executable stack.
5554 * crti.asm: Likewise.
5555 * crtn.asm: Likewise.
5556 * libunwind.S: Likewise.
5558 2006-11-02 Ben Elliston <bje@au.ibm.com>
5560 * tree-ssa.c (warn_uninit): Use expand_location variables for
5561 locus and declaration locus.
5563 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
5566 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
5567 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
5568 cmp{eq,gt,gtu}{si,di}_media.
5569 (*cmpne0si_media): Remove.
5570 (*movsicc_umin): Adjust gen_cmp*_media call.
5571 (unordered): Change the mode of unordered and operands[1] to
5573 (seq): Adjust gen_cmp*_media calls. Make the mode of
5574 a temporary result of compare SImode if needed. If the mode
5575 of operands[0] is DImode, extend the temporary result to DImode.
5576 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
5577 (sunorderd): Change the mode of match_operand and unorderd to
5579 (cmpeq{sf,df}_media): Remove.
5580 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
5581 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
5582 and compare operation to SImode.
5584 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
5586 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
5588 (sparc64-sun-solaris2*): Likewise.
5590 2006-11-02 Paul Brook <paul@codesourcery.com>
5592 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
5593 from priority argument. Use different section for non-default
5595 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
5597 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
5600 * except.c (switch_to_exception_section): Do not cache the section
5601 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
5602 and flag_function_sections is set.
5604 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5607 * builtins.c (do_mpfr_sincos): New.
5608 (fold_builtin_1): Use it to fold builtin sincos.
5610 2006-11-01 Roger Sayle <roger@eyesopen.com>
5612 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
5613 it into -D_REENTRANT.
5615 2006-11-01 Roger Sayle <roger@eyesopen.com>
5617 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
5618 whether the assembler supports taking the difference of symbols in
5619 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
5620 * configure: Regenerate.
5621 * config.in: Regenerate.
5622 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
5623 the assembler doesn't support taking the difference of symbols in
5624 different sections, i.e. we're using the native solaris assembler.
5626 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
5627 Peter Bergner <bergner@vnet.ibm.com>
5629 * doc/invoke.texi: Add cpu_type power6x
5630 (RS/6000 and PowerPC Options): Add -mmfpgpr.
5631 * config.gcc: Add cpu_type power6x.
5632 * configure.ac: Add test for mf{t,f}gpr instructions.
5633 (HAVE_AS_MFPGPR): New.
5634 * config.in: Regenerate.
5635 * configure: Regenerate.
5636 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
5637 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
5638 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
5639 and mftgpr attributes.
5640 (define_attr "cpu"): Add power6.
5641 Change instruction sequences to use new attributes.
5642 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
5643 (fix_truncdfsi2_mfpgpr): New.
5644 (floatsidf_ppc64_mfpgpr): New.
5645 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
5646 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
5647 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
5648 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
5649 (fix_truncdfsi2): Use gpc_reg_operand constraint.
5650 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
5651 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
5652 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
5653 cntlz,exts and var_delayed_compare.
5654 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
5655 _ARCH_PWR6X, if features enabled.
5656 * config/rs6000/rs6000.opt (mmfpgpr): New.
5657 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
5658 (cached_can_issue_more): New variable.
5659 (processor_costs): Add power6_cost.
5660 (rs6000_sched_init): New function.
5661 (is_dispatch_slot_restricted): Deleted.
5662 (set_to_load_agen): New function.
5663 (is_load_insn,is_store_insn): New functions.
5664 (adjacent_mem_locations): New function.
5665 (insn_must_be_first_in_group): New function.
5666 (insn_must_be_last_in_group): New function.
5667 (rs6000_sched_reorder): New function.
5668 (rs6000_sched_reorder2): New function.
5669 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
5670 TARGET_SCHED_REORDER2): Define.
5671 (processor_target_table): Use PROCESSOR_POWER6 for power6.
5672 Add power6x. Add MASK_MFPGPR for power6x.
5673 (POWERPC_MASKS): Add MASK_MFPGPR.
5674 (rs6000_override_options): Set rs6000_always_hint to false
5675 for power6. Set rs6000_align_branch_targets. Replace
5676 rs6000_sched_groups check with rs6000_align_branch_targets.
5677 Use PROCESSOR_POWER6.
5678 (last_scheduled_insn): New variable.
5679 (load_store_pendulum): New variable.
5680 (rs6000_variable_issue): Set last_scheduled_insn and
5681 cached_can_issue_more.
5682 (rs6000_adjust_cost): Add power6 cost adjustments.
5683 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
5684 with insn_must_be_first_in_group. Add power6 priority adjustments.
5685 (rs6000_issue_rate): Add CPU_POWER6.
5686 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
5687 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
5688 (TARGET_MFPGPR): New.
5689 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
5690 (ASM_CPU_SPEC): Add power6x.
5691 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
5693 * config/rs6000/power6.md: New file.
5695 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
5697 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
5698 HOST_WIDE_INT_PRINT to print high and low parts. Use
5699 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
5700 printing a hexadecimal number prefix it with 0x.
5702 2006-11-01 Chris Johns <chris@contemporary.net.au>
5705 * Makefile.in (install-driver): Use exeext when installing
5706 $target-gcc-$version.
5708 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
5710 * c-common.c (flag_cpp0x): New.
5711 * c-common.h (flag_cpp0x): New.
5712 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
5713 supported, define __GXX_EXPERIMENTAL_CPP0X__.
5714 * c-opts.c (set_std_cxx0x): New.
5715 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
5716 * c.opt (std=c++0x): Document.
5717 (std=gnu++0x): Ditto.
5718 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
5719 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
5721 2006-11-01 Richard Guenther <rguenther@suse.de>
5723 * config/i386/i386.c (ix86_expand_rint): Fix issues with
5725 (ix86_expand_floorceildf_32): Likewise.
5726 (ix86_expand_floorceil): Likewise.
5727 (ix86_expand_trunc): Likewise.
5729 2006-10-31 Andrew Pinski <pinskia@gmail.com>
5731 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
5734 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
5736 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
5738 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
5740 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
5742 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
5743 * configure.ac (use_cxa_atexit): As a special case, don't test
5744 for libc definition of __cxa_atexit on mingw32
5745 * configure: Regenerate.
5746 * config.gcc (i[34567]86-pc-mingw32): Default to
5747 enable__cxa_atexit=yes.
5749 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5751 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
5753 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5756 * c-decl.c (start_struct): Don't create self-containing
5758 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
5760 * config/rs6000/rs6000-protos.h
5761 (darwin_rs6000_special_round_type_align): New.
5762 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
5763 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
5765 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5767 * toplev.c (compile_file): Call final_write_globals
5768 even if there have been errors.
5770 2006-10-31 Eric Christopher <echristo@apple.com>
5771 Falk Hueffner <falk@debian.org>
5773 * doc/extend.texi (__builtin_bswap32): Document.
5774 (__builtin_bswap64): Ditto.
5775 * doc/libgcc.texi (bswapsi2): Document.
5777 * doc/rtl.texi (bswap): Document.
5778 * optabs.c (expand_unop): Don't widen a bswap.
5779 (init_optabs): Init bswap. Set libfuncs explicitly
5780 for bswapsi2 and bswapdi2.
5781 * optabs.h (OTI_bswap): New.
5782 (bswap_optab): Ditto.
5783 * genopinit.c (optabs): Handle bswap_optab.
5784 * tree.h (tree_index): Add TI_UINT32_TYPE and
5786 (uint32_type_node): New.
5787 (uint64_type_node): Ditto.
5788 * tree.c (build_common_tree_nodes_2): Initialize
5789 uint32_type_node and uint64_type_node.
5790 * builtins.c (expand_builtin_bswap): New.
5791 (expand_builtin): Call.
5792 (fold_builtin_bswap): New.
5793 (fold_builtin_1): Call.
5794 * fold-const.c (tree_expr_nonnegative_p): Return true
5796 * builtin-types.def (BT_UINT32): New.
5798 (BT_FN_UINT32_UINT32): Ditto.
5799 (BT_FN_UINT64_UINT64): Ditto.
5800 * builtins.def (BUILT_IN_BSWAP32): New.
5801 (BUILT_IN_BSWAP64): Ditto.
5802 * rtl.def (BSWAP): New.
5803 * genattrtab.c (check_attr_value): New.
5804 * libgcc2.c (__bswapSI2): New.
5805 (__bswapDI2): Ditto.
5806 * libgcc2.h (__bswapSI2): Declare.
5807 (__bswapDI2): Ditto.
5808 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
5809 * simplify-rtx.c (simplify_const_unary_operation): Return
5811 * libgcc-std.ver (__bwapsi2): Add.
5812 (__bswapdi2): Ditto.
5813 * reload1.c (eliminate_regs_1): Add bswap.
5814 (elimination_effects): Ditto.
5815 * config/i386/i386.h (x86_bswap): New.
5816 (TARGET_BSWAP): Use.
5817 * config/i386/i386.c (x86_bswap): Set.
5819 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5821 * coverage.c (coverage_checksum_string): Update comment.
5822 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
5823 of get_file_function_name.
5824 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
5825 of get_file_function_name_long.
5826 * tree.c (get_file_function_name): Rename from
5827 get_file_function_name_long; improve comment; handle 'I' and 'D'
5828 specially when the target has ctor/dtor support; remove special
5830 (get_file_function_name): Remove.
5831 * tree.h (get_file_function_name): Rename from
5832 get_file_function_name_long.
5833 (get_file_function_name): Remove prototype.
5835 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5837 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
5838 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
5840 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
5841 Call dsymutil when compiling and linking one or more source files
5844 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5847 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
5849 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5851 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
5852 inline static functions in c99 mode.
5855 * doc/extend.texi (Inline): Update.
5856 * c-tree.h (struct language_function): Remove field 'extern_inline'.
5857 * c-decl.c (current_extern_inline): Delete.
5858 (pop_scope): Adjust test for an undefined nested function.
5859 Add warning about undeclared inline function.
5860 (diagnose_mismatched_decls): Update comments. Disallow overriding
5861 of inline functions in a translation unit in C99. Allow inline
5862 declarations in C99 at any time.
5863 (merge_decls): Boolize variables. Handle C99 'extern inline'
5865 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
5866 C99 inline semantics.
5867 (start_function): Don't clear current_extern_inline. Don't set
5869 (c_push_function_context): Don't push current_extern_inline.
5870 (c_pop_function_context): Don't restore current_extern_inline.
5873 * c-typeck.c (build_external_ref): Warn about static variables
5874 used in extern inline functions.
5875 * c-decl.c (start_decl): Warn about static variables declared
5876 in extern inline functions.
5878 2006-10-31 Roger Sayle <roger@eyesopen.com>
5881 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
5882 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
5883 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
5884 or y is an even integer.
5886 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
5889 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
5890 * gthr-posix95.h (__gthread_active_p): Likewise.
5892 2006-10-31 Richard Guenther <rguenther@suse.de>
5894 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
5895 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
5896 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
5897 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
5898 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
5899 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
5900 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
5901 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
5904 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
5906 * opts.c (decode_options): Disable CSE skip blocks.
5908 2006-10-30 Dirk Mueller <dmueller@suse.de>
5910 * c-common.h (strict_aliasing_warning): Fix whitespace.
5911 * c-decl (start_function): Move code for main decl warning ..
5912 * c-common.c (check_main_parameter_types): .. here.
5913 * c-common.h (check_main_parameter_types): Declare.
5915 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5918 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
5920 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
5922 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
5923 be a PARALLEL containing sets. Return false when out_pat is not
5926 2006-10-30 Richard Sandiford <richard@codesourcery.com>
5928 * config/mips/mips.md (mul<mode>3): Split into...
5929 (mulsi3, muldi3): ...these separate patterns.
5931 2006-10-30 Richard Sandiford <richard@codesourcery.com>
5933 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
5934 but with each set of options separated by spaces.
5936 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
5938 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
5939 dwarf_reg_size_table has been initialized.
5941 2006-10-30 Roger Sayle <roger@eyesopen.com>
5943 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
5944 * ddg.c (print_ddg_edge): Likewise.
5945 * dwarf2out.c (prune_unused_types_walk): Likewise.
5946 * ifcvt.c (noce_try_cmove_arith): Likewise.
5947 * langhooks.c (add_builtin_function): Likewise.
5948 * reg-stack.c (subst_stack_regs_pat): Likewise.
5949 * tree.c (expanded_location): Likewise.
5950 * tree-dump.c (dequeue_and_dump): Likewise.
5952 2006-10-30 David Daney <ddaney@avtrex.com>
5954 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
5956 2006-10-30 Jakub Jelinek <jakub@redhat.com>
5958 PR tree-optimization/29637
5959 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
5960 of the innertype is the innertype itself.
5962 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
5964 * dwarf2out.c (file_name_acquire): Correct typo.
5966 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
5968 * tree.h (tree_value_handle): Remove struct value_set declaration.
5969 Change value_set to bitmap_set.
5970 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
5971 * tree-vn.c (get_value_handle): Made inline and moved to
5973 * tree-flow-inline.h: (has_stmt_ann): New function.
5974 * tree-ssa-pre.c (expressions): New variable.
5975 (next_expression_id): Ditto.
5976 (alloc_expression_id): New function.
5977 (struct value_set): Remove.
5978 (get_expression_id): New function.
5979 (get_or_alloc_expression_id): Ditto.
5980 (expression_for_id): Ditto.
5981 (clear_expression_ids): Ditto.
5982 (FOR_EACH_EXPR_ID_IN_SET): New macro.
5983 (bb_value_sets): Renamed to bb_bitmap_sets.
5984 All value sets replaced with bitmap_sets.
5986 (BB_VISITED): New macro.
5987 (postorder): New variable.
5988 (add_to_value): Removed.
5989 (value_exists_in_set_bitmap): Ditto.
5990 (value_insert_into_set_bitmap): Ditto.
5993 (set_remove): Ditto.
5994 (set_contains_value): Ditto.
5995 (insert_into_set): Ditto.
5997 (find_leader): Ditto.
5998 (bitmap_set_subtract_from_value_set): Ditto.
5999 (value_insert_into_set): Ditto.
6000 (print_value_set): Ditto.
6001 (debug_value_set): Ditto.
6002 (constant_expr_p): New function.
6003 (bitmap_remove_from_set): Ditto.
6004 (bitmap_insert_into_set): Ditto.
6005 (bitmap_set_free): Ditto.
6006 (vh_compare): Ditto.
6007 (sorted_array_from_bitmap_set): Ditto.
6008 (bitmap_set_subtract): Ditto.
6009 (bitmap_set_equal): Ditto.
6010 (debug_bitmap_set): Ditto.
6011 (find_leader_in_sets): Ditto.
6012 (bitmap_set_replace_value): Modify for bitmapped sets.
6013 (phi_translate): Ditto.
6014 (phi_translate_set): Ditto.
6015 (bitmap_find_leader): Ditto.
6016 (valid_in_sets): Ditto.
6017 (union_contains_value): Ditto.
6019 (compute_antic_aux): Ditto. Mark changed blocks.
6020 (compute_antic): Ditto. Iterate in postorder and only over
6022 (compute_rvuse_and_antic_safe): Reuse postorder.
6023 (create_component_ref_by_pieces): Modify for bitmapped sets.
6024 (find_or_generate_expression): Ditto.
6025 (create_expression_by_pieces): Ditto.
6026 (insert_into_preds_of_block): Ditto.
6027 (changed_blocks): New variable.
6028 (do_regular_insertion): Broken out from insert_aux.
6029 (insert_aux): Modified for bitmapped sets.
6030 (find_existing_value_expr): New function.
6031 (create_value_expr_from): Use it.
6032 (insert_extra_phis): Removed.
6033 (print_bitmap_set): Renamed from bitmap_print_value_set.
6034 (compute_avail): Handle RETURN_EXPR.
6035 (init_pre): Modify for bitmapped sets.
6036 * tree-flow.h (has_stmt_ann): New function.
6038 2006-10-29 Roger Sayle <roger@eyesopen.com>
6040 * builtins.c (fold_builtin_floor): Check for the availability of
6041 the C99 trunc function before transforming floor into trunc.
6043 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6045 * builtins.c (fold_builtin_hypot): Rearrange recursive
6046 transformation before others, and also do ABS_EXPR. When
6047 necessary, check flag_unsafe_math_optimizations. When necessary,
6050 2006-10-29 Roger Sayle <roger@eyesopen.com>
6052 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
6053 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
6054 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
6055 Fold -X eq/ne -Y as X eq/ne Y.
6057 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6059 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
6060 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
6061 rather than GENERATE_MULT3_SI in the various define_peephole2s.
6062 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
6063 Use an inclusive test for "mult" rather than "mul".
6064 (rotr<mode>3): Depend on ISA_HAS_ROR.
6065 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
6067 (GENERATE_MULT3_DI): Delete.
6068 (ISA_HAS_64BIT_REGS): Use consistent formatting.
6069 (ISA_HAS_MUL3): New macro.
6070 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
6071 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
6072 (ISA_HAS_CLZ_CLO): Likewise.
6073 (ISA_HAS_DCLZ_DCLO): Delete.
6074 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
6075 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
6076 the VR4120 and VR4130.
6077 (ISA_HAS_MACCHI): Use consistent formatting.
6078 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
6079 (ISA_HAS_ROR): ...this new macro.
6080 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
6081 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
6082 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
6084 2006-10-29 Roger Sayle <roger@eyesopen.com>
6086 PR tree-optimization/15458
6087 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
6090 2006-10-29 Richard Guenther <rguenther@suse.de>
6092 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
6093 (ix86_expand_truncdf_32): Likewise.
6094 * config/i386/i386.c (ix86_expand_trunc): New function expanding
6095 trunc inline for SSE math and -fno-trapping-math and if not
6096 optimizing for size.
6097 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
6098 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
6099 for expanding btrunc inline for SSE math.
6101 2006-10-29 Joseph Myers <joseph@codesourcery.com>
6103 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
6104 Handle tuning for bi-arch i[34567]86-*-linux* like that for
6105 i[34567]86-*-solaris2.1[0-9]*.
6106 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
6107 Define conditionally depending on TARGET_64BIT_DEFAULT.
6108 (SPEC_32, SPEC_64): Define.
6109 (LINK_SPEC): Use them.
6110 * doc/install.texi (--enable-targets=all): Document for x86-linux.
6112 2006-10-29 Richard Guenther <rguenther@suse.de>
6114 * config/i386/i386-protos.h (ix86_expand_round): Declare.
6115 (ix86_expand_rounddf_32): Likewise.
6116 * config/i386/i386.c (ix86_expand_round): New function expanding
6117 round inline for SSE math and -fno-trapping-math and if not
6118 optimizing for size.
6119 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
6120 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
6121 round via ix86_expand_round.
6123 2006-10-29 Richard Guenther <rguenther@suse.de>
6125 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
6126 (ix86_expand_floorceildf_32): Likewise.
6127 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
6128 static helper function.
6129 (ix86_expand_floorceil): Expander for floor and ceil to SSE
6131 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
6132 * config/i386/i386.md (floordf2): Adjust to enable floor
6133 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
6134 -fno-trapping-math is enabled and if not optimizing for size.
6135 (floorsf2, ceildf2, ceilsf2): Likewise.
6136 * config/i386/sse.md (sse_maskcmpsf3): New insn.
6137 (sse2_maskcmpdf3): Likewise.
6139 2006-10-29 Richard Guenther <rguenther@suse.de>
6141 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
6142 rint in case -fno-trapping-math is enabled.
6143 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
6144 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
6145 (ix86_expand_sse_fabs): Likewise.
6146 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
6147 * config/i386/i386.md (rintdf2): Enable for SSE math if
6148 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
6149 (rintsf2): Likewise.
6151 2006-10-29 Richard Guenther <rguenther@suse.de>
6153 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
6154 to conversion optabs.
6155 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
6156 as conversion optab.
6157 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
6158 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
6159 (lfloor_optab, lceil_optab): Adjust defines.
6160 * builtins.c (expand_builtin_int_roundingfn): Adjust for
6161 lfloor and lceil optabs now being conversion optabs.
6162 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
6163 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
6164 New static helper function.
6165 (ix86_expand_lfloorceil): New function to expand lfloor and
6167 * config/i386/i386.md (lfloor<mode>2): Split into ...
6168 (lfloorxf<mode>2): ... x87 variant
6169 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
6170 using ix86_expand_lfloorceil.
6171 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
6173 * doc/md.texi (lfloorMN, lceilMN): Document.
6175 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6177 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
6178 -mno-shared assembler option on mips targets.
6179 * configure, config.in: Regenerate.
6180 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
6181 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
6182 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
6184 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6186 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
6187 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
6189 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
6191 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
6192 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
6195 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6198 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
6199 (fold_builtin_pow): Evaluate constant arguments at compile-time
6201 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
6202 (do_mpfr_ckconv): New helper function.
6203 (do_mpfr_arg1): Use do_mpfr_ckconv.
6204 (do_mpfr_arg2): New.
6206 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
6209 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
6210 (-fdump-rtl-sched): Rename to ..
6211 (-fdump-rtl-sched1): here. Also fix file extension number.
6213 2006-10-28 Richard Guenther <rguenther@suse.de>
6215 * fold-const.c (maybe_canonicalize_comparison): Fix code
6218 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6220 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
6221 (NON_QI_REG_P): Use IN_RANGE.
6222 (REX_INT_REGNO_P): Use IN_RANGE.
6223 (FP_REGNO_P): Use IN_RANGE.
6224 (SSE_REGNO_P): Use IN_RANGE.
6225 (REX_SSE_REGNO_P): Use IN_RANGE.
6226 (MMX_REGNO_P): Use IN_RANGE.
6227 (STACK_REGNO_P): New macro.
6228 (STACK_REG_P): Use STACK_REGNO_P.
6229 (NON_STACK_REG_P): Use STACK_REGNO_P.
6230 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
6231 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
6232 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
6233 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
6234 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
6236 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
6238 * except.h (output_function_exception_table): Add 'const char*' param.
6239 * except.c (switch_to_exception_section): Add 'const char*' param.
6240 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
6241 and flag_function_sections is set, use a function-specific section.
6242 (output_function_exception_table): Add 'const char*' param.
6243 Adjust call to switch_to_exception_section.
6244 * final.c (rest_of_handle_final): Adjust calls to
6245 output_function_exception_table.
6246 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
6247 * config.in: Regenerate.
6248 * configure: Likewise.
6250 2006-10-28 Richard Guenther <rguenther@suse.de>
6253 * fold-const.c (maybe_canonicalize_comparison_1): Helper
6254 for maybe_canonicalize_comparison.
6255 (maybe_canonicalize_comparison): New function for canonicalizing
6257 (fold_comparison): Call it to canonicalize comparisons with
6260 2006-10-28 Richard Guenther <rguenther@suse.de>
6263 * builtins.c (expand_builtin_int_roundingfn_2): Expand
6264 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
6265 (expand_builtin): Adjust likewise.
6266 * genopinit.c (optabs[]): Add lround optab.
6267 * optabs.c (init_optabs): Initialize lround_optab.
6268 * optabs.h (enum convert_optab_index): Add COI_lround.
6269 (lround_optab): Define.
6270 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
6271 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
6273 (ix86_expand_lround): New function.
6274 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
6276 * doc/md.texi (lroundMN2): Document.
6278 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6281 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
6282 argument to HOST_WIDE_INT. Update function prototype.
6283 (round_frame_size): Change return type to HOST_WIDE_INT. Change
6284 "size" argument to HOST_WIDE_INT. Update function prototype.
6286 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6288 * config/i386/i386.c (output_387_ffreep): Create output from a
6289 template string for !HAVE_AS_IX86_FFREEP.
6291 2006-10-27 Eric Christopher <echristo@apple.com>
6293 * config/darwin.c: Fix formatting and grammar.
6295 2006-10-27 Jan Hubicka <jh@suse.cz>
6297 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
6298 to be thrown away soon when IGNORE is set.
6299 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
6300 indicating when return value shall not be computed.
6301 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
6303 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
6305 * config/i386/i386.h (TARGET_GEODE):
6306 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
6307 (TARGET_CPU_DEFAULT_geode): New macro.
6308 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
6309 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
6310 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
6311 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
6312 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
6314 (TARGET_CPU_DEFAULT_NAMES): Add geode.
6315 (processor_type): Add PROCESSOR_GEODE.
6317 * config/i386/i386.md: Include geode.md.
6320 * config/i386/i386.c (geode_cost): New initialized global
6322 (m_GEODE, m_K6_GEODE): New macros.
6323 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
6324 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
6325 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
6326 x86_schedule): Use m_K6_GEODE instead of m_K6.
6327 (x86_movx, x86_cmove): Set up m_GEODE.
6328 (x86_integer_DFmode_moves): Clear m_GEODE.
6329 (processor_target_table): Add entry for geode.
6330 (processor_alias_table): Ditto.
6332 * config/i386/geode.md: New file.
6334 * doc/invoke.texi: Add entry about geode processor.
6336 2006-10-27 Mike Stump <mrs@apple.com>
6338 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
6339 __DYNAMIC__ from here back to ...
6340 * config/darwin.h (CPP_SPEC): ... here.
6342 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
6343 Nathan Sidwell <nathan@codesourcery.com>
6345 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
6346 when choosing the minimum heapsize.
6348 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
6350 * gcc/unwind-dw2.h: Move cfa-related variables into
6351 struct frame_state_reg_info to ensure that the CFA is properly
6352 handled when executing DW_CFA_{remember,restore}_state.
6353 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
6354 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
6355 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
6356 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
6357 gcc/config/rs6000/linux-unwind.h,
6358 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
6359 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
6360 Modify to use new cfa_* fields.
6362 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
6364 * config/s390/s390.c (s390_init_frame_layout): Check positive
6367 2006-10-26 Ben Elliston <bje@au.ibm.com>
6369 * gimplify.c (get_name): Remove extraneous break.
6370 (gimplify_omp_for): Initialise ret with GS_OK.
6372 2006-10-25 Steve Ellcey <sje@cup.hp.com>
6374 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
6375 Add unix98.o to link line.
6377 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6380 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
6381 Calculate compile-time constants using MPFR.
6382 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
6383 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
6385 2006-10-25 Bob Wilson <bob.wilson@acm.org>
6387 * config/xtensa/lib2funcs.S: Use C-style comments.
6389 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
6391 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
6392 (file_table_relative_p): Likewise.
6393 (dwarf2out_finish): Likewise.
6394 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
6396 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
6398 * tree-ssa-structalias.c (intra_create_variable_infos):
6399 Don't recreate nonlocal_all if it already exists.
6401 2006-10-25 Richard Guenther <rguenther@suse.de>
6404 * optabs.h (enum optab_index): Remove OTI_lrint.
6405 (enum convert_optab_index): Add COI_lrint.
6406 (lrint_optab): Adjust.
6407 (expand_sfix_optab): Declare.
6408 * optabs.c (expand_sfix_optab): New function.
6409 (init_optabs): Init lrint_optab as conversion optab.
6410 * genopinit.c (lrint_optab): Change to a conversion optab.
6411 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
6412 expansion via conversion optab.
6413 * config/i386/i386.md (*fistdi2_1): Remove
6414 flag_unsafe_math_optimizations guard.
6415 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
6416 fist<mode>2_with_temp): Likewise.
6417 (lrint<mode>2): Split into...
6418 (lrintxf<mode>2): ... x87 part
6419 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
6420 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
6421 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
6422 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
6423 * doc/md.texi (lrintMN2): Document.
6425 2006-10-25 Uros Bizjak <uros@kss-loka.si>
6428 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
6429 Use inc and dec instructions for TARGET_USE_INCDEC.
6430 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
6431 ("sync_double_compare_and_swap<mode>"): Likewise.
6432 ("*sync_double_compare_and_swapdi_pic"): Likewise.
6433 ("*sync_compare_and_swap_cc<mode>"): Likewise.
6434 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
6435 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
6436 ("sync_old_add<mode>"): Likewise.
6437 ("sync_lock_test_and_set<mode>"): Likewise.
6438 ("sync_lock_test_and_set<mode>"): Likewise.
6439 ("sync_add<mode>"): Likewise.
6440 ("sync_sub<mode>"): Likewise.
6441 ("sync_ior<mode>"): Likewise.
6442 ("sync_and<mode>"): Likewise.
6443 ("sync_xor<mode>"): Likewise.
6445 2006-10-25 Uros Bizjak <uros@kss-loka.si>
6447 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
6448 (remainder_optab): Define corresponding macro.
6449 (drem_optab): Remove.
6450 * optabs.c (init_optabs): Initialize remainder_optab. Remove
6451 drem_optab initialization.
6452 * genopinit.c (optabs): Implement remainder_optab using
6453 remainder?f3 patterns. Remove drem_optab.
6454 * builtins.c (expand_builtin_mathfn_2): Handle
6455 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
6456 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
6457 expand_builtin_mathfn_2.
6459 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
6460 depend on flag_unsafe_math_optimizations.
6462 * config/i386/i386.md ("remaindersf3", "remainderdf3")
6463 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
6464 Do not depend on flag_unsafe_math_optimizations. Use
6465 truncxf?f expander instead of truncxf?f_i387_noop.
6467 ("fpremxf4", "fprem1xf4"): Do not depend on
6468 flag_unsafe_math_optimizations.
6469 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
6470 flag_unsafe_math_optimizations. Use truncxf?f expander
6471 instead of truncxf?f_i387_noop.
6473 * doc/md.texi (fmod, remainder): Document standard named pattern.
6475 2006-10-24 Richard Sandiford <richard@codesourcery.com>
6476 David Daney <ddaney@avtrex.com>
6479 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
6481 2006-10-25 Ben Elliston <bje@au.ibm.com>
6483 * doc/extend.texi (Variable Attributes): Typo fix.
6485 2006-10-24 Uros Bizjak <uros@kss-loka.si>
6487 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
6488 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
6489 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
6490 (FRAME_POINTER_REGNUM): Update register number to 21.
6491 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
6492 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
6494 * config/i386/i386.c (regclass_map): Add fpcr entry.
6495 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
6497 (print_reg): Assert REGNO (x) != FPCR_REG.
6499 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
6500 (DIRFLAG_REG): Renumber.
6501 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
6502 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
6503 (sse_prologue_save, *sse_prologue_save_insn): Renumber
6504 hardcoded SSE register numbers.
6506 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
6507 hardcoded MMX register numbers.
6509 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6512 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
6513 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
6515 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
6516 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
6517 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
6518 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
6520 2006-10-24 Richard Guenther <rguenther@suse.de>
6523 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
6524 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
6525 for deciding optimizations in consistency with fold-const.c
6526 (fold_builtin_unordered_cmp): Likewise.
6528 2006-10-24 Richard Guenther <rguenther@suse.de>
6530 * builtins.c (fold_builtin_floor): Fold floor (x) where
6531 x is nonnegative to trunc (x).
6532 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
6533 nonnegative to FIX_TRUNC_EXPR.
6535 2006-10-24 Richard Guenther <rguenther@suse.de>
6537 PR tree-optimization/29567
6538 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
6539 for TRUTH_NOT_EXPR. Clarify comments.
6541 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6544 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
6545 at compile-time using MPFR. Change parameter VALUE to FUNC,
6547 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
6548 for overflow and underflow at all times and avoid folding in
6551 2006-10-24 Ben Elliston <bje@au.ibm.com>
6553 * reload1.c: Formatting fixes.
6555 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
6557 PR tree-optimization/14784
6558 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
6559 * tree-ssa-structalias.c (get_constraint_for,
6560 intra_create_variable_infos): Set is_heapvar.
6561 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
6562 non-heapvar pointer variables specially.
6564 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6567 * builtins.c (fold_builtin_sin, fold_builtin_cos,
6568 fold_builtin_tan): Fold all constant arguments. Take a "type"
6569 argument as necessary.
6570 (do_mpfr_arg1): New.
6571 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
6573 2006-10-23 Bob Wilson <bob.wilson@acm.org>
6575 * config/xtensa/lib1funcs.asm: Use C-style comments.
6577 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
6579 * tree.c (local_define_builtin): Replace calls to
6580 lang_hooks.builtin_function with add_builtin_function.
6581 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
6583 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
6585 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
6586 common code to add_builtin_function.
6587 * langhooks.c (add_builtin_function): New function.
6588 (lhd_builtin_function): New function.
6589 * langhooks.h (struct lang_hooks): Change the signature of
6591 (add_builtin_function): New function.
6592 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
6593 calls to lang_hooks.builtin_function with add_builtin_function.
6594 * c-common.c (decl_builtin_1): Replace calls to
6595 lang_hooks.builtin_function with add_builtin_function.
6596 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
6597 lang_hooks.builtin_function with add_builtin_function.
6598 * config/frv/frv.c (def_builtin): Replace calls to
6599 lang_hooks.builtin_function with add_builtin_function.
6600 * config/s390/s390.c (s390_init_builtins): Replace calls to
6601 lang_hooks.builtin_function with add_builtin_function.
6602 * config/sparc/sparc.c (def_builtin): Replace calls to
6603 lang_hooks.builtin_function with add_builtin_function.
6604 * config/i386/i386.c (def_builtin): Replace calls to
6605 lang_hooks.builtin_function with add_builtin_function.
6606 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
6607 lang_hooks.builtin_function with add_builtin_function.
6608 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
6609 lang_hooks.builtin_function with add_builtin_function.
6610 * config/stormy16/stormy16.c (xstormy16_init_builtins):
6611 Replace calls to lang_hooks.builtin_function with
6612 add_builtin_function.
6613 * config/iq2000/iq2000.c (def_builtin):
6614 Replace calls to lang_hooks.builtin_function with
6615 add_builtin_function.
6616 * config/ia64/ia64.c (def_builtin): Replace calls to
6617 lang_hooks.builtin_function with add_builtin_function.
6618 * config/rs6000/rs6000.c (def_builtin): Replace calls to
6619 lang_hooks.builtin_function with add_builtin_function.
6620 (altivec_init_builtins): Replace calls to
6621 lang_hooks.builtin_function with add_builtin_function.
6622 * config/arm/arm.c (def_mbuiltin): Replace calls to
6623 lang_hooks.builtin_function with add_builtin_function.
6624 (arm_init_tls_builtins): Replace calls to
6625 lang_hooks.builtin_function with add_builtin_function.
6626 * config/mips/mips.c (mips_init_builtins): Replace calls to
6627 lang_hooks.builtin_function with add_builtin_function.
6628 * config/bfin/bfin.c (def_builtin): Replace calls to
6629 lang_hooks.builtin_function with add_builtin_function.
6630 * langhooks-def.h (lhd_builtin_function): New function.
6631 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
6633 2006-10-23 Jakub Jelinek <jakub@redhat.com>
6635 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
6636 BUILT_IN_STRNCAT_CHK.
6638 2006-10-23 Jan Hubicka <jh@suse.cz>
6640 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
6641 don't do conversion from memmove to memcpy here.
6642 (expand_builtin_bcopy, expand_builtin): Update call of
6643 expand_builtin_memmove.
6644 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
6646 2006-10-23 Paul Brook <paul@codesourcery.com>
6648 * stor-layout.c (start_record_layout): maximum_field_alignment
6649 overrides STRUCTURE_SIZE_BOUNDARY.
6651 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
6653 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
6654 nonlocal function symbols if flag_pic.
6656 2006-10-23 Richard Guenther <rguenther@suse.de>
6660 * builtins.c (fold_binary): Remove checks for flag_wrapv
6661 and flag_trapv where negate_expr_p covers these cases.
6663 2006-10-23 Richard Guenther <rguenther@suse.de>
6666 * fold-const.c (fold_plusminus_mult_expr): Check exact power
6667 of two on the absolute value.
6668 (fold_binary): Fold x * -C to -x * C if x is easily negatable
6669 and negating -C does not overflow.
6671 2006-10-23 Richard Guenther <rguenther@suse.de>
6674 * convert.c (convert_to_real): Fold (float)-x to -(float)x
6675 only if not flag_rounding_math.
6677 2006-10-22 Richard Sandiford <richard@codesourcery.com>
6678 Kaz Kojima <kkojima@gcc.gnu.org>
6681 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
6682 SImode memory reference for the source of a movua.
6683 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
6684 (movua): Use an unspec instead of sign_extract. Expect the source
6685 to have mode BLKmode.
6686 (extv, insv): Use a BLKmode rather than SImode memory reference
6687 for the source of a movua.
6689 2006-10-22 Jeff Law <law@redhat.com>
6690 Richard Guenther <rguenther@suse.de>
6692 PR tree-optimization/15911
6693 * tree-vrp.c (extract_code_and_val_from_cond): New function.
6694 (register_edge_assert_for_1): Likewise.
6695 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
6696 (find_conditional_asserts): Adjust for new function signature.
6697 (find_assert_locations): Likewise.
6699 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
6701 * config/i386/tmmintrin.h: Remove the duplicated content.
6703 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
6705 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
6706 (x86_64-*-*): Likewise.
6708 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
6709 (override_options): Check SSSE3.
6710 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
6711 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
6712 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
6713 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
6714 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
6715 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
6716 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
6717 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
6718 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
6719 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
6720 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
6721 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
6722 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
6723 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
6724 IX86_BUILTIN_PABSD128.
6725 (bdesc_2arg): Add SSSE3.
6726 (bdesc_1arg): Likewise.
6727 (ix86_init_mmx_sse_builtins): Support SSSE3.
6728 (ix86_expand_builtin): Likewise.
6729 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
6731 * config/i386/i386.md (UNSPEC_PSHUFB): New.
6732 (UNSPEC_PSIGN): Likewise.
6733 (UNSPEC_PALIGNR): Likewise.
6734 Include mmx.md before sse.md.
6736 * config/i386/i386.opt: Add -mssse3.
6738 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
6739 (ssse3_phaddwv4hi3): Likewise.
6740 (ssse3_phadddv4si3): Likewise.
6741 (ssse3_phadddv2si3): Likewise.
6742 (ssse3_phaddswv8hi3): Likewise.
6743 (ssse3_phaddswv4hi3): Likewise.
6744 (ssse3_phsubwv8hi3): Likewise.
6745 (ssse3_phsubwv4hi3): Likewise.
6746 (ssse3_phsubdv4si3): Likewise.
6747 (ssse3_phsubdv2si3): Likewise.
6748 (ssse3_phsubswv8hi3): Likewise.
6749 (ssse3_phsubswv4hi3): Likewise.
6750 (ssse3_pmaddubswv8hi3): Likewise.
6751 (ssse3_pmaddubswv4hi3): Likewise.
6752 (ssse3_pmulhrswv8hi3): Likewise.
6753 (ssse3_pmulhrswv4hi3): Likewise.
6754 (ssse3_pshufbv16qi3): Likewise.
6755 (ssse3_pshufbv8qi3): Likewise.
6756 (ssse3_psign<mode>3): Likewise.
6757 (ssse3_psign<mode>3): Likewise.
6758 (ssse3_palignrti): Likewise.
6759 (ssse3_palignrdi): Likewise.
6760 (abs<mode>2): Likewise.
6761 (abs<mode>2): Likewise.
6763 * config/i386/tmmintrin.h: New file.
6765 * doc/extend.texi: Document SSSE3 built-in functions.
6767 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
6769 2006-10-22 Ira Rosen <irar@il.ibm.com>
6771 * tree-vect-transform.c (vectorizable_load): Use the type of the
6772 return value of the mask_for_load builtin to create realign_load
6775 2006-10-22 Richard Sandiford <richard@codesourcery.com>
6777 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
6780 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
6782 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
6783 (UNSPEC_LDDQU): This.
6784 * config/i386/sse.md (sse3_lddqu): Updated.
6786 2006-10-21 Richard Guenther <rguenther@suse.de>
6788 * builtins.c (expand_builtin_int_roundingfn_2): New function.
6789 (expand_builtin): Use it to expand lrint instead of
6790 expand_builtin_mathfn.
6792 2006-10-21 Uros Bizjak <uros@kss-loka.si>
6795 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
6796 flag_unsafe_math_optimizations is set.
6798 2006-10-21 Uros Bizjak <uros@kss-loka.si>
6801 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
6802 patterns to use memory input operand in x87->mem->XMM
6803 reload sequences. Skip transformation for TARGET_K8.
6805 2006-10-21 Uros Bizjak <uros@kss-loka.si>
6807 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
6808 force operand1 to register if both operands are memory operands.
6809 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
6810 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
6811 if both operands are memory operands.
6812 (truncdfsf2): Do not force operand1 to register if both operands
6813 are memory operands.
6815 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6817 * Makefile.in (LIBS): Add $(GMPLIBS).
6818 * doc/install.texi: Update GMP and MPFR requirements.
6819 * doc/sourcebuild.texi (need_gmp): Delete.
6821 2006-10-21 Richard Guenther <rguenther@suse.de>
6823 PR tree-optimization/3511
6824 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
6825 got new invariant arguments during PHI translation.
6827 2006-10-21 Richard Guenther <rguenther@suse.de>
6830 * fold-const.c (fold_comparison): Fold signed comparisons
6831 of the form X +- C1 CMP Y +- C2.
6833 2006-10-21 Richard Guenther <rguenther@suse.de>
6836 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
6837 if flag_unsafe_math_optimizations is specified. We have
6838 flag_finite_math_only for that.
6839 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
6840 or flag_unsafe_math_optimizations.
6842 2006-10-21 Richard Guenther <rguenther@suse.de>
6844 * builtins.c (fold_builtin_classify): Fix typo.
6846 2006-10-21 Richard Guenther <rguenther@suse.de>
6849 * simplify-rtx.c (simplify_const_relational_operation):
6850 Do not constant-fold ORDERED and UNORDERED for
6851 flag_unsafe_math_optimizations but only we do not need to
6852 honor NaNs for the given mode.
6854 2006-10-21 Richard Guenther <rguenther@suse.de>
6857 * config/i386/i386.c (classify_argument): Remove redundant
6858 walking of the BINFOs.
6859 (contains_128bit_aligned_vector_p): Likewise.
6861 2006-10-20 Mark Mitchell <mark@codesourcery.com>
6863 * BASE-VER: Set to 4.3.0.
6865 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
6867 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
6868 (tree_decl_with_vis): Remove artificial_pta_var flag.
6869 * tree-flow.h (referenced_var_check_and_insert): Expose.
6870 (nonlocal_all): New prototype.
6871 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
6872 (nonlocal_all): Make global.
6873 (nonlocal_lookup): Remove.
6874 (nonlocal_insert): Ditto.
6875 (create_nonlocal_var): Do not call nonlocal_insert.
6876 (get_nonlocal_id_for_type): Remove.
6877 (find_global_initializers): Mark new vars we find for renaming.
6878 (intra_create_variable_infos): Only create one nonlocal.
6879 (expand_nonlocal_solutions): Remove.
6880 (compute_points_to_sets): Don't call it.
6881 (ipa_pta_execute): Ditto.
6882 (init_alias_heapvars): Don't create nonlocal_for_type.
6883 (delete_alias_heapvars): Don't remove it.
6884 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
6887 2006-10-19 Brooks Moses <bmoses@stanford.edu>
6889 * doc/install.texi (Downloading GCC): Clarify mention of
6890 Fortran in the "full distribution" description.
6892 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
6894 Fix PR tree-optimization/28778
6895 Fix PR tree-optimization/29156
6896 Fix PR tree-optimization/29415
6897 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
6898 (tree_decl_with_vis): Add artificial_pta_var flag.
6899 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
6900 pushed into callers.
6901 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
6902 (nonlocal_all): Ditto.
6903 (struct variable_info): Add directly_dereferenced member.
6904 (var_escaped_vars): New variable.
6905 (escaped_vars_tree): Ditto.
6906 (escaped_vars_id): Ditto.
6907 (nonlocal_vars_id): Ditto.
6908 (new_var_info): Set directly_dereferenced.
6909 (graph_size): New variable
6910 (build_constraint_graph): Use graph_size.
6911 (solve_graph): Don't process constraints that cannot change the
6912 solution, don't try to propagate an empty solution to our
6914 (process_constraint): Set directly_dereferenced.
6915 (could_have_pointers): New function.
6916 (get_constraint_for_component_ref): Don't process STRING_CST.
6917 (nonlocal_lookup): New function.
6918 (nonlocal_insert): Ditto.
6919 (create_nonlocal_var): Ditto.
6920 (get_nonlocal_id_for_type): Ditto.
6921 (get_constraint_for): Allow results vector to be empty in the case
6922 of string constants.
6923 Handle results of calls properly.
6924 (update_alias_info): Update alias info stats on number and type of
6926 (find_func_aliases): Use could_have_pointers.
6927 (make_constraint_from_escaped): Renamed from
6928 make_constraint_to_anything, and changed to make constraints from
6930 (make_constraint_to_escaped): New function.
6931 (find_global_initializers): Ditto.
6932 (create_variable_info_for): Make constraint from escaped to any
6933 global variable, and from any global variable to the set of
6935 (intra_create_variable_infos): Deal with escaped instead of
6936 pointing to anything.
6937 (set_uids_in_ptset): Do type pruning on directly dereferenced
6939 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
6940 (init_base_vars): Fix comment, and initialize escaped_vars.
6941 (need_to_solve): Removed.
6942 (find_escape_constraints): New function.
6943 (expand_nonlocal_solutions): Ditto.
6944 (compute_points_to_sets): Call find_escape_constraints and
6945 expand_nonlocal_solutions.
6946 (delete_points_to_sets): Don't fall off the end of the graph.
6947 (init_alias_heapvars): Initialize nonlocal_for_type and
6949 (delete_alias_heapvars): Free nonlocal_for_type and null out
6952 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
6954 * fold-const.c (add_double): Rename to add_double_with_sign.
6955 Add 'unsigned_p' parameter and take it into account for the overflow.
6956 (mul_double): Rename to mul_double_with_sign.
6957 Add 'unsigned_p' parameter and take it into account for the overflow.
6958 (fold_div_compare): Call add_double_with_sign instead of add_double
6959 and mul_double_with_sign instead of mul_double, passing them the
6960 unsignedness of the type.
6961 * tree.h (add_double): Macroize.
6962 (add_double_with_sign): New prototype.
6963 (mul_double): Macroize.
6964 (mul_double_with_sign): New prototype.
6966 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
6968 * config/score/crti.asm: New file.
6969 * config/score/crtn.asm: New file.
6970 * config/score/elf.h: New file.
6971 * config/score/mac.md: New file.
6972 * config/score/misc.md: New file.
6973 * config/score/mul-div.S: New file.
6974 * config/score/predicates.md: New file.
6975 * config/score/score7.md: New file.
6976 * config/score/score.c: New file.
6977 * config/score/score-conv.h: New file.
6978 * config/score/score.h: New file.
6979 * config/score/score.md: New file.
6980 * config/score/score-mdaux.c: New file.
6981 * config/score/score-mdaux.h: New file.
6982 * config/score/score-modes.def: New file.
6983 * config/score/score.opt: New file.
6984 * config/score/score-protos.h: New file.
6985 * config/score/score-version.h: New file.
6986 * config/score/t-score-elf: New file.
6987 * config.gcc: Add score*-*-* configurations(Update before).
6988 * doc/invoke.texi (Score Options): New section.
6989 * doc/md.texi (Score family): New section to document constraints.
6991 2006-10-19 Nick Clifton <nickc@redhat.com>
6993 * config/arm/arm.c: Fix spelling typo.
6995 2006-10-18 Tom Tromey <tromey@redhat.com>
6997 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
6999 2006-10-18 Jan Hubicka <jh@suse.cz>
7002 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
7005 2006-10-18 Marcin Dalecki <martin@dalecki.de>
7007 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
7008 TSI_SAME_STMT, since that's the desired entity.
7010 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
7012 * config/s390/contraints.md: New file.
7013 * config/s390/s390-protos.h (s390_mem_constraint,
7014 s390_O_constraint_str, s390_N_constraint_str,
7015 s390_float_const_zero_p): Function prototypes added.
7016 * config/s390/s390.c (s390_extra_constraint_str,
7017 s390_const_double_ok_for_constraint_p,
7018 s390_const_ok_for_constraint_p): Functions removed.
7019 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
7020 s390_float_const_zero_p): New functions.
7021 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
7022 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
7023 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
7024 Macro definitions removed.
7025 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
7026 s390_extra_constraint_str): Functions removed.
7028 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
7029 Richard Sandiford <richard@codesourcery.com>
7032 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
7033 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
7035 2006-10-16 Geoffrey Keating <geoffk@apple.com>
7037 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
7038 (DWARF2_FRAME_REG_OUT): Likewise.
7039 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
7040 (DWARF2_FRAME_REG_OUT): Likewise.
7042 2006-10-17 Paul Brook <paul@codesourcery.com>
7044 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
7046 2006-10-16 Brooks Moses <bmoses@stanford.edu>
7048 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
7049 Standardize on "GNU Fortran" as the official name of the Fortran
7052 2006-10-16 Mike Stump <mrs@apple.com>
7054 * doc/invoke.texi (Darwin Options): Document -mkernel.
7055 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
7057 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
7058 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
7059 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
7060 (OS_MISSING_ALTIVEC): Add.
7061 * config/i386/i386.c (override_options): Add
7062 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
7063 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
7064 -mkernel, -static or -mdynamic-no-pic is given.
7065 (C_COMMON_OVERRIDE_OPTIONS): Add.
7066 * config/darwin.opt (fapple-kext): Add.
7068 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
7069 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
7071 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
7072 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
7073 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
7074 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
7075 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
7076 (flag_mkernel): Add.
7077 (flag_apple_kext): Add.
7078 (TARGET_KEXTABI): Add.
7079 * config/darwin.c (darwin_handle_kext_attribute): Add.
7080 (DARWIN_VTABLE_P): Add.
7081 (darwin_binds_local_p): Add partial support for rebinding vtables
7083 (darwin_kextabi_p): Add.
7084 (darwin_override_options): Add.
7085 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
7086 (darwin_kextabi_p): Add.
7087 (darwin_override_options): Add.
7088 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
7089 __DYNAMIC__ and __STATIC__ here.
7091 2006-10-16 Brooks Moses <bmoses@stanford.edu>
7093 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
7094 Added mention of "make pdf" target, and Texinfo requirements for
7097 2006-10-16 DJ Delorie <dj@redhat.com>
7099 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
7100 into the GOT in case we need a subreg of the address.
7102 2006-10-16 Richard Guenther <rguenther@suse.de>
7105 * doc/extend.texi (X86 Built-in Functions): Fix typos in
7106 SSE builtin documentation. Document SSE2 builtins.
7108 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7110 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
7111 symbol in the output file for non-shared links when -nostdlib or
7112 -nodefaultlibs isn't specified.
7114 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
7115 posix thread support.
7117 2006-10-15 Jan Hubicka <jh@suse.cz>
7120 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
7121 declared always_inline even when not inlining.
7123 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7124 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7125 Andrew Pinski <pinskia@gmail.com>
7128 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
7130 2006-10-15 Jan Hubicka <jh@suse.cz>
7131 Richard Guenther <rguenther@suse.de>
7134 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
7135 process_function_and_variable_attributes on all variables, including
7136 those discovered during cgraph construction phase.
7138 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
7140 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
7142 2006-10-14 Uros Bizjak <uros@kss-loka.si>
7144 * config/i386/athlon.md (athlon_fist): Add fisttp.
7146 2006-10-13 David Edelsohn <edelsohn@gnu.org>
7147 Ian Lance Taylor <ian@airs.com>
7150 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
7151 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
7154 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
7156 * config/score/score.c, config/score/score.h: Fix comment
7159 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7162 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
7165 2006-10-13 Eric Christopher <echristo@apple.com>
7167 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
7169 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7172 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7173 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
7174 alignment supported by 32-bit ELF.
7176 2006-10-13 Eric Christopher <echristo@apple.com>
7178 * config/darwin.c (darwin_emit_unwind_label): Strip
7179 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
7181 2006-10-13 Richard Guenther <rguenther@suse.de>
7183 PR tree-optimization/29446
7184 * tree-vrp.c (fix_equivalence_set): Remove.
7185 (extract_range_from_assert): Do not call fix_equivalence_set.
7186 (debug_value_range): Print a newline.
7187 (compare_name_with_value): For equivalence sets with
7188 inconsistent value ranges conservatively bail out.
7189 (compare_names): Likewise.
7191 2006-10-13 David Edelsohn <edelsohn@gnu.org>
7193 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
7194 and MPFR for gfortran.
7196 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7198 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
7199 alignment supported by 32-bit ELF.
7201 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
7205 * c-typeck.c (digest_init): Always allow initializing vectors
7206 that have static storage duration with compound literals.
7207 * tree.c (build_type_attribute_qual_variant): New, based on
7208 build_type_attribute_variant.
7209 (build_type_attribute_variant): Rewrite using the former.
7210 (make_vector_type): Use build_type_attribute_qual_variant to build
7211 type variants. Use type_hash_canon on the others.
7213 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
7214 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
7216 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
7218 2006-10-12 Jan Hubicka <jh@suse.cz>
7221 * c-decl.c (c_make_fname_decl): Do not segfault in case where
7222 current_function_decl is set but current_function_scope is not.
7224 2006-10-12 Jie Zhang <jie.zhang@analog.com>
7226 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
7227 emit_insn to emit eh_return_internal instruction.
7228 (eh_return_internal): Explicitly set pc.
7230 2006-10-11 Richard Guenther <rguenther@suse.de>
7232 PR tree-optimization/28230
7233 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
7234 to the correct place.
7236 2006-10-11 Richard Guenther <rguenther@suse.de>
7239 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
7242 2006-10-10 Brooks Moses <bmoses@stanford.edu>
7244 * configure.ac: Added pdf to "Make-hooks"
7245 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
7246 targets and *.pdf file patterns in cleanup targets.
7247 * configure: Regenerated.
7249 2006-10-10 Anatoly Sokolov <aesok@post.ru>
7251 * config/avr/predicates.md: New file.
7252 * config/avr/avr.md: Include it.
7253 (REG_SP): New constant.
7254 (peepholes): Use predicates.
7255 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
7256 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
7257 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
7259 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
7261 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
7264 2006-10-10 Jakub Jelinek <jakub@redhat.com>
7267 * builtins.c (var_decl_component_p): New function.
7268 (fold_builtin_memset, fold_builtin_memory_op): Restrict
7269 single entry optimization to variables and components thereof.
7271 2006-10-10 Richard Guenther <rguenther@suse.de>
7273 PR rtl-optimization/29323
7274 * except.c (set_nothrow_function_flags): For functions
7275 that do not bind local bail out early.
7277 2006-10-10 Ben Elliston <bje@au.ibm.com>
7279 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
7282 2006-10-09 Richard Henderson <rth@redhat.com>
7284 Revert emutls patch.
7286 2006-10-09 Richard Guenther <rguenther@suse.de>
7289 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
7292 2006-10-09 Steve Ellcey <sje@cup.hp.com>
7295 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
7296 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
7297 * configure: Regenerate.
7298 * config.in: Regenerate.
7300 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
7302 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
7304 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7306 * config/mips/mips.c (mips_legitimize_tls_address): Implement
7307 all TLS models in the same way as local exec if !TARGET_ABICALLS.
7308 Remove stray newline.
7310 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7312 * config/mips/mips.c (mips_classify_symbol): Do not return
7313 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
7314 (mips_in_small_data_p): Tweak comments.
7316 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7318 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
7320 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
7322 * gimplify.c, sched-int.h: Fix comment typos.
7324 * sched-int.h: Fix comment typos.
7326 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7328 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
7330 * sched-ebb.c (begin_schedule_ready): Use them.
7331 * haifa-sched.c (schedule_insn, move_insn, try_ready,
7332 add_to_speculative_block, create_check_block_twin, speculate_insn,
7333 fix_jump_move, move_block_after_check): Ditto.
7334 * sched-rgn.c (new_ready): Ditto.
7336 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7338 PR rtl-optimization/29128
7339 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
7340 * sched-ebb.c (advance_target_bb): Use it to fix condition to
7341 allow interblock movement of speculation checks.
7343 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
7346 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
7347 casted to integer type.
7348 (get_address_cost): Decrease cost of [symbol + index] addressing modes
7349 if they are significantly more expensive than [reg + index] ones.
7351 2006-10-06 Jakub Jelinek <jakub@redhat.com>
7353 PR tree-optimization/29330
7354 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
7355 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
7356 on newly allocated ddrs.
7357 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
7358 to VEC (loop_p, heap) pointer.
7359 (compute_data_dependences_for_loop): Adjust caller.
7360 (free_dependence_relations): Free DDR_LOOP_NEST.
7362 * tree-loop-linear.c (linear_transform_loops): Don't forget to
7363 free DEPENDENCE_RELATIONS and DATAREFS.
7366 * builtins.c (expand_builtin_sync_operation,
7367 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
7368 Use convert_to_mode to handle promoted arguments.
7370 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
7372 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
7374 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
7376 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
7378 2006-10-05 Uros Bizjak <uros@kss-loka.si>
7380 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
7381 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
7382 Use <modeconstraint> instead of "r" as operand 1 constraint.
7384 2006-10-06 Olivier Hainque <hainque@adacore.com>
7386 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
7387 Don't recurse on the pointed-to type.
7388 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
7389 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
7390 types with components of variable size.
7392 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
7394 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
7396 2006-10-06 Jakub Jelinek <jakub@redhat.com>
7398 PR tree-optimization/29290
7399 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
7403 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
7404 * config/i386/predicates.md (local_symbolic_operand): Likewise.
7407 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
7408 the number of vector elements fill the rest with zeros.
7410 2006-10-05 Richard Sandiford <richard@codesourcery.com>
7412 * config/mips/mips.c (mips_pass_by_reference): Do not return false
7413 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
7416 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
7418 * config/bfin/bfin.md (subsi3): Lose expander, change previously
7419 unnamed pattern into subsi3. Use correct constraints/predicates.
7420 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
7421 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
7423 2006-10-05 Ira Rosen <irar@il.ibm.com>
7425 * doc/loop.texi: Add data references analysis description.
7427 2006-10-04 Brooks Moses <bmoses@stanford.edu>
7429 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
7431 2006-10-04 Richard Henderson <rth@redhat.com>
7432 Jakub Jelinek <jakub@redhat.com>
7434 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
7435 * builtin-types.def (BT_WORD): Make unsigned.
7436 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
7437 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
7438 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
7439 * c-decl.c (grokdeclarator): Don't error if !have_tls.
7440 * c-parser.c (c_parser_omp_threadprivate): Likewise.
7441 * cgraph.c (decide_is_variable_needed): Look at force_output.
7442 Recurse for emulated tls.
7443 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
7444 checks redundant with decide_is_variable_needed.
7445 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
7446 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
7448 * expr.c (emutls_var_address): New.
7449 (expand_expr_real_1): Expand emulated tls.
7450 (expand_expr_addr_expr_1): Likewise.
7451 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
7452 * output.h (emutls_finish): Declare.
7453 * toplev.c (compile_file): Call it.
7454 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
7455 address before wrapping in CONST.
7456 * varasm.c (emutls_htab, emutls_object_type): New.
7457 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
7458 (get_emutls_object_name, get_emutls_object_type): New.
7459 (get_emutls_init_templ_addr, emutls_decl): New.
7460 (emutls_common_1, emutls_finish): New.
7461 (assemble_variable): When emulating tls, swap decls; generate
7462 constructor for the emutls objects.
7463 (do_assemble_alias): When emulating tls, swap decl and target name.
7464 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
7466 * emutls.c: New file.
7467 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
7468 tls_object for real tls.
7470 2006-10-04 Zack Weinberg <zackw@panix.com>
7472 Fix bug in constraint-check generator, reported by Rask Ingemann
7474 * genpreds.c (add_constraint): Don't remove anything from the
7476 (write_tm_constrs_h): Detect whether "op" argument is used, and
7477 mark it ARG_UNUSED if it isn't.
7478 (write_insn_const_int_ok_for_constraint): Skip the part of the
7479 expression that would test whether "op" (which is not available
7480 here) is a CONST_INT.
7482 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
7485 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
7487 2006-10-03 Geoffrey Keating <geoffk@apple.com>
7489 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
7490 current Leopard versions.
7491 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
7493 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
7495 * doc/install.texi: Fix typos.
7497 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
7499 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
7500 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
7501 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
7503 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
7505 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
7506 arg to be struct mach_header_64* instead.
7508 2006-10-02 Jakub Jelinek <jakub@redhat.com>
7511 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
7512 side effects after the outer expression's post side effects.
7514 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
7516 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
7517 comments to reflect actual behavior and relationship between
7518 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
7520 * doc/c-tree.texi (Working with declarations): Fix documentation
7521 of FIELD_DECL likewise.
7523 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
7526 * doc/extend.texi: Add used variable attribute description.
7528 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
7531 * c.opt (Woverride-init): New.
7532 * c-opts.c (c_common_post_options): Default warn_override_init to
7534 * c-typeck.c (add_pending_init, output_init_element): Warn for
7535 overriding initializers without side effects.
7536 * doc/invoke.texi (-Woverride-init): Document.
7539 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
7541 PR rtl-optimization/28096
7542 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
7543 assignment has already been used as a destination earlier in the block.
7545 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
7547 * builtins.c (expand_builtin_setjmp): Delete.
7548 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
7549 <BUILT_IN_SETJMP_SETUP>: New case.
7550 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
7551 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
7552 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
7553 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
7554 (BUILT_IN_SETJMP_RECEIVER): Likewise.
7555 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
7556 (lower_function_body): Initialize it to false. If it is set to true
7557 at the end of the processing, emit the setjmp dispatcher.
7558 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
7559 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
7560 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
7561 on the rhs of the assignment.
7562 (lower_builtin_setjmp): New function.
7563 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
7564 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
7565 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
7566 to detect calls that can go to non-local labels. Use specific
7567 helper to create the abnormal edges associated with them.
7568 <MODIFY_EXPR>: Likewise.
7569 (make_abnormal_goto_edges): New function extracted from...
7570 (make_goto_expr_edges): ...here. Call it for computed gotos.
7571 (simple_goto_p): Minor tweak.
7572 (tree_can_make_abnormal_goto): New predicate.
7573 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
7574 (tree_purge_dead_abnormal_call_edges): New function.
7575 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
7576 (tree_purge_dead_abnormal_call_edges): Likewise.
7577 (make_abnormal_goto_edges): Likewise.
7578 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
7579 Purge all dead abnormal edges if the call was in the last statement.
7580 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
7581 (execute_fixup_cfg): If there are non-local labels in the function,
7582 scan the basic blocks and split them at calls that can go to non-local
7583 labels or add missing abnormal call edges. Write down the CFG in the
7585 (pass_fixup_cfg): Remove TODO_dump_func flag.
7586 * unwind-sjlj.c: Poison setjmp.
7587 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
7588 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
7589 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
7590 (DONT_USE_BUILTIN_SETJMP): Document it.
7592 2006-09-28 Geoffrey Keating <geoffk@apple.com>
7595 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
7596 to 1 when __ppc64__ is defined.
7597 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
7599 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
7601 2006-09-28 Steve Ellcey <sje@cup.hp.com>
7603 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
7604 * config/ia64/unwind-hpux.c: Delete.
7606 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
7608 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
7609 on the element before gimplifying it, instead of punting if it is of
7612 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
7614 * doc/loop.texi: New file.
7615 * doc/gccint.texi: Reference loop.texi.
7616 * Makefile.in (loop.texi): Add.
7618 2006-09-27 Geoffrey Keating <geoffk@apple.com>
7620 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
7622 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
7623 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
7625 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
7627 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
7629 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
7631 * doc/install.texi: Document required versions of GMP and MPFR.
7633 2006-09-27 Paul Brook <paul@codesourcery.com>
7636 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
7638 2006-09-27 Richard Sandiford <richard@codesourcery.com>
7640 * reload1.c (alter_reg): Require the alignment of the stack slot to
7641 be at least reg_max_ref_width bytes.
7642 (scan_paradoxical_subregs): Record the largest width in
7645 2006-09-26 Jakub Jelinek <jakub@redhat.com>
7649 * tree-nested.c (struct nesting_info): Added static_chain_added.
7650 (convert_call_expr): Set static_chain_added when adding static
7651 chain. Handle OMP_PARALLEL and OMP_SECTION.
7653 2006-09-25 Matthias Klose <doko@debian.org>
7655 * doc/invoke.texi: Add missing full stop.
7657 2006-09-25 Richard Henderson <rth@redhat.com>
7659 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
7660 before cgraph_function_flags_ready.
7662 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
7663 Adam Nemet <anemet@caviumnetworks.com>
7665 * tree-ssa-loop-ivopts.c (aff_combination_convert,
7666 determine_common_wider_type): New functions.
7667 (get_computation_aff): Use them to simplify arithmetic between
7668 UBASE and CBASE if they are shortened from the same type.
7670 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
7673 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
7674 -2147483647 - 1 instead of 0x80000000.
7676 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
7678 * flags.h (HONOR_NANS): Fix typo in comment.
7680 2006-09-23 Uros Bizjak <uros@kss-loka.si>
7682 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
7684 2006-09-23 Jakub Jelinek <jakub@redhat.com>
7688 * tree.c (merge_attributes, attribute_list_contained): If both
7689 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
7691 * c-typeck.c (comptypes_internal): Don't consider aggregates
7692 in different TUs as compatible if there one set of attributes is
7693 not a subset of the other type's attributes.
7694 (composite_type): Try harder not to create a new aggregate type.
7696 2006-09-22 Geoffrey Keating <geoffk@apple.com>
7698 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
7699 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
7700 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
7701 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
7702 than replicating condition above.
7703 * config.host (i[34567]86-*-*): Always use driver-i386.o.
7705 * config/darwin.h (LINK_SYSROOT_SPEC): New.
7706 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
7707 the linker by default.
7709 2006-09-22 Mike Stump <mrs@apple.com>
7711 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
7714 2006-09-22 Richard Guenther <rguenther@suse.de>
7717 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
7718 sort of stack variables stable.
7720 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
7723 * explow.c (force_reg): Set REG_POINTER flag according to
7726 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
7728 PR tree-optimization/28888
7729 * tree-if-conv.c (combine_blocks): Rewritten.
7730 * tree-cfg.c (tree_verify_flow_info): Check that edges with
7731 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
7733 2006-09-22 Jakub Jelinek <jakub@redhat.com>
7735 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
7738 2006-09-21 Richard Sandiford <richard@codesourcery.com>
7740 * varasm.c (copy_constant): Fix reversed gcc_assert check.
7742 2006-09-21 Janis Johnson <janis187@us.ibm.com>
7744 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
7746 2006-09-21 Roger Sayle <roger@eyesopen.com>
7749 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
7750 dw_fde_current_label, to be the start of the function, i.e. the same
7751 value as dw_fde_begin.
7753 2006-09-20 Richard Sandiford <richard@codesourcery.com>
7755 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
7756 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
7757 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
7758 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
7759 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
7760 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
7761 (abs<mode>2, neg<mode>2): Likewise.
7762 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
7763 (*mips_abs_ps): New define_insn.
7765 2006-09-20 Josh Conner <jconner@apple.com>
7768 * calls.c (expand_call): Allow reuse of structure return stack
7771 2006-09-20 Paul Brook <paul@codesourcery.com>
7773 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
7776 2006-09-20 Janis Johnson <janis187@us.ibm.com>
7778 * doc/extend.texi (Decimal Float): Update for latest draft TR,
7779 clean up terminology.
7781 2006-09-20 Steve Ellcey <sje@cup.hp.com>
7784 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
7785 with tablejumps in them.
7787 2006-09-20 Jakub Jelinek <jakub@redhat.com>
7790 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
7791 wrap it into TARGET_EXPR.
7793 2006-09-20 Eric Christopher <echristo@apple.com>
7795 * config/i386/i386.c (x86_fisttp): Remove.
7796 * config/i386/i386.h (x86_fisttp): Ditto.
7797 (TARGET_FISTTP): Ditto.
7799 2006-09-19 Eric Christopher <echristo@apple.com>
7801 * doc/tm.texi (OBJC_JBLEN): Describe.
7802 * config/i386/darwin.h (OBJC_JBLEN): Define.
7803 * config/rs6000/darwin.h: Ditto.
7805 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
7807 PR rtl-optimization/21299
7808 * reload1.c (reload): Purge invalid ASMs in the final pass.
7810 2006-09-19 Steve Ellcey <sje@cup.hp.com>
7813 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
7814 pointers as legitimate constants.
7816 2006-09-19 Paul Brook <paul@codesourcery.com>
7819 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
7821 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
7823 PR tree-optimization/28887
7824 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
7825 component parts from the reference.
7826 (gather_memory_references_ref): Record the reference without the
7827 nonaddressable component parts.
7829 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
7832 * c-opts.c (c_common_handle_option): Ignore the -std options
7833 if the input language is assembly.
7835 2006-09-17 Ira Rosen <irar@il.ibm.com>
7838 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
7840 (ptr_ptr_may_alias_p): Likewise.
7841 (record_record_differ_p): New function.
7842 (base_object_differ_p): Call record_record_differ_p.
7844 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
7847 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
7848 away for the expr argument.
7850 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
7853 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
7854 before using it for dumping after vectorizing loops.
7856 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
7857 Jack Howarth <howarth@bromo.med.uc.edu>
7860 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
7861 skip on error_mark_node.
7862 (rs6000_darwin64_record_arg_recurse): Likewise.
7864 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
7866 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
7867 * doc/rtl.texi: Remove related documentation.
7869 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
7871 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
7874 2006-09-15 Jim Wilson <wilson@specifix.com>
7876 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
7877 Handle symbol offsets same as they are handled in ia64_expand_move
7880 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
7882 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
7883 Add forgotten parameter to the fprintf call.
7885 2006-09-15 Steve Ellcey <sje@cup.hp.com>
7887 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
7889 2006-09-15 Uros Bizjak <uros@kss-loka.si>
7891 * doc/contrib.texi: Add my entry.
7893 2006-09-15 Nick Clifton <nickc@redhat.com>
7895 * doc/md.texi (Processor pipeline description): Fix typo in
7896 example of how to use the absence_set directive and reword the
7897 description to make it slightly easier to read.
7899 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
7901 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
7902 * loop-doloop.c (doloop_optimize): Use it to limit costs of
7903 expanding the number of iterations.
7904 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
7906 * cfgrtl.c (emit_insn_at_entry): New function.
7907 * rtl.h (emit_insn_at_entry): Declare it.
7908 * integrate.c (emit_initial_value_sets): Use it.
7910 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
7912 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
7914 (struct loop_work and related VEC declarations): Delete.
7915 (bfin_dump_loops): Print out new member bad.
7916 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
7917 (bfin_scan_loop): Don't recurse.
7918 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
7919 loops. No longer need to update outer loops if the current one is
7920 found bad. Move some validitiy checks to bfin_discover_loop.
7921 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
7922 but changed not to check for nesting. Also changed to use the new bad
7924 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
7925 time. Use bitmap based test to discover loop nesting.
7927 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
7929 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
7932 2006-09-14 Richard Guenther <rguenther@suse.de>
7933 Kazu Hirata <kazu@codesourcery.com>
7935 PR middle-end/28884.
7936 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
7937 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
7938 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
7939 with TARGET_FUNCTION_VALUE.
7941 2006-09-14 Anatoly Sokolov <aesok@post.ru>
7944 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
7946 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
7948 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
7951 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
7954 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
7957 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
7959 * basic_block.h (bb_has_eh_pred): Fix comment.
7961 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
7963 * flow.c (calculate_global_regs_live): Invalidate eh registers
7964 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
7965 (propagate_block): Handle eh registers as if they were set at basic
7967 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
7969 * global.c (global_conflicts): Make eh registers to conflict with
7970 pseudos live at basic block begin.
7971 * basic_block.h (bb_has_eh_pred): New function.
7973 2006-09-13 Richard Sandiford <richard@codesourcery.com>
7975 PR rtl-optimization/28982
7976 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
7977 index of a PRE_MODIFY or POST_MODIFY address.
7978 * reload1.c (inc_for_reload): Use find_replacement on the original
7979 base and index registers.
7981 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
7983 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
7984 for -Os. Update __m128 alignment requirement.
7986 2006-09-13 Jan Hubicka <jh@suse.cz>
7988 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
7990 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
7992 PR rtl-optimization/28243
7993 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
7994 the insn to which the note was originally attached.
7996 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
7997 Roger Sayle <roger@eyesopen.com>
7999 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
8000 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
8001 on platforms that don't use dwarf for debug info.
8003 2006-09-12 Jason Merrill <jason@redhat.com>
8006 * builtins.c (expand_builtin_setjmp_receiver): Clobber
8007 hard_frame_pointer_rtx after using it to update the frame pointer.
8009 2006-09-12 Roger Sayle <roger@eyesopen.com>
8011 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
8012 (TARGET_ASM_CLOSE_PAREN): Likewise.
8013 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
8014 (TARGET_ASM_CLOSE_PAREN): Likewise.
8016 2006-09-12 Roger Sayle <roger@eyesopen.com>
8019 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
8020 frame information for frames larger than 512 Kbytes on Tru64 when
8021 using the native assembler.
8023 2006-09-12 Roger Sayle <roger@eyesopen.com>
8027 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
8028 and symbols. Instead use the implementation from cse.c's hash_rtx.
8030 2006-09-12 Jan Hubicka <jh@suse.cz>
8032 PR rtl-optimization/28071
8033 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
8034 (vect_transform_loop): Likewise.
8035 * tree-vectorizer.c (new_loop_vec_info): Likewise.
8036 (new_loop_vec_info): Likewise.
8037 (destroy_loop_vec_info): Likewise.
8038 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
8039 (create_stmt_ann): Likewise.
8040 (create_tree_ann): Rename to ...
8041 (create_tree_common_ann): ... this one; allocate only the common part
8043 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
8044 (get_value_handle): Likewise.
8045 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
8046 get_tree_common_ann.
8047 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
8048 (vinfo_for_stmt): Use stmt annotations.
8049 * tree-flow.h (tree_ann_common_t): New type.
8050 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
8051 (tree_ann, get_tree_ann, create_tree_ann): New.
8052 * tree-flow-inline.h (get_function_ann): Do more type checking.
8053 (stmt_ann): Likewise.
8054 (tree_ann): Rename to ...
8055 (tree_common_ann): ... this one; return ony common_ann
8056 (get_tree_ann): Rename to ...
8057 (tree_common_ann): This one; return only common_ann.
8058 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
8061 2006-09-11 Geoffrey Keating <geoffk@apple.com>
8063 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
8064 with_cpu by default.
8066 * dwarf2out.c (dwarf_file_data): New.
8067 (enum dw_val_class): Add dw_val_class_file.
8068 (struct dw_val_struct): Add val_file.
8069 (file_table): Change to a hash table.
8070 (file_table_emitted): Delete.
8071 (file_table_last_lookup_index): Delete.
8072 (emitcount): Delete.
8073 (last_emitted_file): New.
8074 (lookup_filename): Change prototype to return a struct dwarf_file_data.
8075 (init_file_table): Delete.
8076 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
8077 (AT_addr): Add comment.
8081 (print_die): Handle dw_val_class_file.
8082 (print_dwarf_line_table): Update for new file table structure.
8083 (attr_checksum): Do checksum a filename.
8084 (same_dw_val_p, same_attr_p): Do compare a filename.
8085 (size_of_die): Handle dw_val_class_file.
8086 (value_format): Likewise.
8087 (output_die): Likewise. Also, call maybe_emit_file here.
8088 (struct file_info): Constify filenames. Make file_idx a pointer
8089 to a struct dwarf_file_data.
8090 (struct dir_info): Constify directory names. Remove 'used' field.
8091 (struct file_name_acquire_data): New.
8092 (file_name_acquire): New.
8093 (output_file_names): Modify to handle new file data structures.
8094 (add_src_coords_attributes): Use add_AT_file.
8095 (add_call_src_coords_attributes): Likewise.
8096 (dwarf2out_imported_module_or_decl): Likewise.
8097 (gen_subprogram_die): Modify for new file data structures.
8098 (gen_variable_die): Likewise.
8099 (file_table_eq): New.
8100 (file_table_hash): New.
8101 (file_table_last_lookup): New.
8102 (lookup_filename): Rewrite to handle new file data structures.
8103 (maybe_emit_file): Rewrite to handle new file data structures.
8104 (dwarf2out_source_line): Always call lookup_filename and
8106 (dwarf2out_init): Create file_table here.
8107 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
8108 (file_table_relative_p): New.
8109 (dwarf2out_finish): Change detection of relative filenames
8110 to work with new file data structures. Move output_line_info call
8111 after debug_info output.
8113 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
8118 * config/i386/i386.c (override_options): Always default to 16
8119 byte stack boundary.
8121 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
8124 * var-tracking.c (dump_dataflow_set): Start dumping at
8126 (clobber_variable_part): Kill only the variable part in
8127 registers holding it, leaving other variables alone.
8129 2006-09-11 Josh Triplett <josh@freedesktop.org>
8131 * doc/extend.texi (Other Builtins): Actually use the macro
8132 argument in the documentation example for
8133 __builtin_types_compatible_p.
8135 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8137 PR rtl-optimization/28726
8138 * sched-deps.c (sched_analyze_reg): New function extracted from...
8139 (sched_analyze_1): ...here. Call it to analyze references to
8140 registers. Treat again writes to a stack register as writing to the
8142 (sched_analyze_2): ...and here. Call it to analyze references to
8143 registers. Treat again reads of a stack register as reading the
8146 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
8147 David Edelsohn <edelsohn@gnu.org>
8150 * config/rs6000/spe.md (frob_df_di): Remove %H.
8151 (frob_di_df): Remove %H. Change evmergelo to mr.
8152 (frob_di_df_2): Remove %H. Change evldd to two loads.
8154 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
8156 * doc/cpp.texi: Fix names of charset options.
8158 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
8161 * config/i386/i386.c (override_options): Use 128-bit
8162 stack boundary always for 64bits.
8164 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8166 PR rtl-optimization/28636
8167 * combine.c (force_to_mode): Test for side-effects before
8168 substituting by zero.
8169 (simplify_shift_const): Likewise for zero or other constants.
8171 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
8174 * builtins.c (expand_builtin_setjmp): Force next_lab to be
8177 2006-09-10 Richard Sandiford <richard@codesourcery.com>
8180 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
8181 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
8182 returned by mode_for_size, rather than the mode of src itself,
8183 to choose between 32-bit and 64-bit patterns.
8184 (mips_mem_fits_mode_p): New function.
8185 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
8186 that the size of the source matches the size of the destination.
8187 (mov_<store>l, mov_<store>r): Likewise.
8189 2006-09-10 Eric Christopher <echristo@apple.com>
8191 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
8194 2006-09-09 Eric Christopher <echristo@apple.com>
8197 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
8200 2006-09-09 Roger Sayle <roger@eyesopen.com>
8201 Nicolas Setton <setton@adacore.com>
8203 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
8205 2006-09-10 Andreas Schwab <schwab@suse.de>
8207 * config/m68k/m68k.md (bungt_rev): New pattern.
8209 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
8210 Dale Johannesen <dalej@apple.com>
8213 * regclass.c (struct reg_pref): Update documentation.
8214 (regclass): Set prefclass to NO_REGS if memory is the best option.
8215 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8217 2006-09-08 Eric Christopher <echristo@apple.com>
8219 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
8220 * config/t-slibgcc-darwin: Support x86_64 multilib.
8221 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
8222 Return 1 for x86_64-darwin.
8223 * config/i386/t-darwin: Add m64 multilib.
8224 (LIB2_SIDITI_CONV_FUNCS): Use.
8225 (LIB2FUNCS_EXTRA): Ditto.
8226 * config/i386/darwin.h: Support x86_64.
8227 * config/i386/i386.c (override_options): Turn on flag_pic
8228 for x86_64-darwin. Disable flag_omit_pointer.
8229 (get_pc_thunk_name): Assert !TARGET_64BIT.
8230 (legitimate_address_p): Disable machopic addressing for
8232 (legitimize_pic_address): Ditto.
8233 (ix86_expand_move): Ditto.
8234 (ix86_expand_call): Ditto.
8235 (machopic_output_stub): Ditto.
8236 * config/darwin.c (machopic_select_section): Support literal16.
8237 (machopic_select_rtx_section): Ditto.
8238 * config/darwin-sections.def: Ditto.
8239 * config/darwin-64.c: New.
8241 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
8244 * c-tree.h (struct c_arg_info): Add pending_sizes.
8245 * c-parser.c (c_parser_parms_declarator,
8246 c_parser_parms_list_declarator): Initialize pending_sizes.
8247 * c-decl.c (get_parm_info): Initialize pending_sizes.
8248 (get_parm_info): Set pending_sizes.
8249 (grokdeclarator): Call put_pending_sizes for parameters for
8250 function definition only.
8252 2006-09-07 Jason Merrill <jason@redhat.com>
8255 * varasm.c (output_constant): Only strip actual no-op conversions.
8258 * config/i386/i386.c (override_options): Use 128-bit
8259 stack boundary if -msse.
8261 2006-09-07 Eric Christopher <echristo@apple.com>
8263 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
8265 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
8268 2006-09-07 Geoffrey Keating <geoffk@apple.com>
8270 * dwarf2out.c: Remove strange characters from comment above
8271 dwarf2out_frame_debug_expr.
8273 2006-09-07 Eric Christopher <echristo@apple.com>
8275 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
8276 * config/darwin.h: ... to here.
8278 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
8280 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
8282 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
8283 (TARGET_PARTIAL_FLAG_REG_STALL): New.
8285 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
8286 TARGET_PARTIAL_FLAG_REG_STALL.
8287 (*ashldi3_cconly_rex64): Likewise.
8288 (*ashlsi3_cmp): Likewise.
8289 (*ashlsi3_cconly): Likewise.
8290 (*ashlsi3_cmp_zext): Likewise.
8291 (*ashlhi3_cmp): Likewise.
8292 (*ashlhi3_cconly): Likewise.
8293 (*ashlqi3_cmp): Likewise.
8294 (*ashlqi3_cconly): Likewise.
8295 (*ashrdi3_cmp_rex64): Likewise.
8296 (*ashrdi3_cconly_rex64): Likewise.
8297 (*ashrsi3_cmp): Likewise.
8298 (*ashrsi3_cconly): Likewise.
8299 (*ashrsi3_cmp_zext): Likewise.
8300 (*ashrhi3_cmp): Likewise.
8301 (*ashrhi3_cconly): Likewise.
8302 (*ashrqi3_cmp): Likewise.
8303 (*ashrqi3_cconly): Likewise.
8304 (*lshrdi3_cmp_rex64): Likewise.
8305 (*lshrdi3_cconly_rex64): Likewise.
8306 (*lshrsi3_cmp): Likewise.
8307 (*lshrsi3_cconly): Likewise.
8308 (*lshrsi3_cmp_zext): Likewise.
8309 (*lshrhi3_cmp): Likewise.
8310 (*lshrhi3_cconly): Likewise.
8311 (*lshrqi2_cmp): Likewise.
8312 (*lshrqi2_cconly): Likewise.
8314 2006-09-07 Uros Bizjak <uros@kss-loka.si>
8317 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
8318 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
8319 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
8320 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
8321 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
8322 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
8323 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
8324 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
8325 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
8326 implement only CC setting effects of shift instructions.
8328 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
8330 * doc/contrib.texi: Add myself.
8332 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
8335 * stor-layout.c (relayout_decl): Don't zero the alignment if it
8336 was set by the user.
8338 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
8341 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
8342 (divsi_inv_m1): Use them.
8343 (UNSPEC_DIV_INV_TABLE): New constant.
8345 2006-09-06 James E Wilson <wilson@specifix.com>
8348 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
8349 then call count_or_remove_death_notes.
8351 2006-09-06 Jason Merrill <jason@redhat.com>
8354 * tree-inline.c (copy_result_decl_to_var): New fn.
8355 (declare_return_variable): Use it. Call declare_inline_vars here.
8356 (expand_call_inline): Not here.
8358 2006-09-06 Diego Novillo <dnovillo@redhat.com>
8360 * doc/contrib.texi: Update my entry.
8362 2006-09-06 Nick Clifton <nickc@redhat.com>
8364 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
8366 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
8369 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
8370 (canonicalize_induction_variables): Likewise.
8371 (tree_unroll_loops_completely): Likewise.
8372 (tree_ssa_prefetch_arrays): Likewise.
8373 (remove_empty_loops): Likewise.
8374 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
8375 TODO_cleanup_cfg instead of directly calling
8376 cleanup_tree_cfg_loop.
8377 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
8379 (tree_unroll_loops_completely): Likewise.
8380 (remove_empty_loops): Likewise.
8381 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
8382 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
8383 of tree_ssa_unswitch_loops.
8384 (tree_ssa_loop_ivcanon): Use the return value of
8385 canonicalize_induction_variables.
8386 (tree_ssa_empty_loop): Use the return value of
8388 (tree_complete_unroll): Use the return value of
8389 tree_unroll_loops_completely.
8390 (tree_ssa_loop_prefetch): Use the return value of
8391 tree_ssa_prefetch_arrays.
8392 * passes.c (execute_todo): Before Cleanup CFG, set
8393 updating_used_alone and after cleanup CFG, call
8394 recalculate_used_alone.
8396 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
8399 * tree-vect-transform.c (vectorizable_condition): Move the check
8400 for the type after the check for simple condition.
8402 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
8403 Kaz Kojima <kkojima@gcc.gnu.org>
8406 * mode-switching.c (optimize_mode_switching): Make the destination
8407 block of an abnormal edge have no anticipatable mode. Don't
8408 insert mode switching code at the end of the source block of
8411 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
8413 PR rtl-optimization/26847
8414 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
8415 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
8416 (simplify_plus_minus): Count n_constants while filling ops. Replace
8417 qsort with insertion sort. Before going through the array to simplify
8418 pairs, sort it. Delay early exit until after the first sort, exiting
8419 only if no swaps occurred. Simplify pairs in reversed order, without
8420 special-casing the first iteration. Pack ops after simplifying pairs.
8422 2006-09-05 Anatoly Sokolov <aesok@post.ru>
8424 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
8425 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8426 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8427 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
8429 2006-09-05 Richard Guenther <rguenther@suse.de>
8431 PR tree-optimization/28900
8432 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
8433 compound conditional before creating COND_EXPR condition.
8435 2006-09-05 Richard Guenther <rguenther@suse.de>
8437 PR tree-optimization/28905
8438 * tree-vrp.c (fix_equivalence_set): Manually implement
8439 !value_ranges_intersect_p to also handle symbolic ranges.
8441 2006-09-05 Richard Guenther <rguenther@suse.de>
8444 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
8447 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
8449 PR rtl-optimization/27616
8450 * cse.c (table_size): New static variable.
8451 (new_basic_block): Initialize it to 0.
8452 (remove_from_table): Decrement it.
8453 (insert): Increment it.
8454 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
8455 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
8456 fold_rtx_mem_1 if under the cap.
8457 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
8458 the lookup of the equivalent expression and test for equality of the
8459 first operand of the equivalent expression before in turn looking up
8460 an equivalent constant for the second operand.
8462 2006-09-02 Geoffrey Keating <geoffk@apple.com>
8465 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
8466 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
8467 pointer, instead of assuming it is possible to derive the
8468 correct args size from a call insn.
8470 2006-09-02 Jakub Jelinek <jakub@redhat.com>
8473 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
8474 (fold_builtin_mempcpy): Rename to...
8475 (fold_builtin_memory_op): ... this. Optimize one element copy
8477 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
8479 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
8480 (expand_builtin_memcpy, expand_builtin_mempcpy,
8481 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
8482 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
8483 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
8484 BUILT_IN_MEM{CPY,PCPY,MOVE}.
8486 2006-09-01 DJ Delorie <dj@redhat.com>
8488 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
8489 (stzx_16): Likewise.
8490 ("stzx_24_<mode>"): Likewise.
8491 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
8492 ("cmp<mode>_op"): New.
8493 (cmp<mode>): Change to expander; just save operands.
8495 (b<code>): Change to expander, emit compare here.
8496 (s<code>_op): Change to use split and expander.
8497 (s<code>_24_op): Likewise.
8498 (s<code>_<mode>): New.
8499 (s<code>_<mode>_24): New.
8500 (movqicc_<code>_<mode): New.
8501 (movhicc_<code>_<mode>): New.
8504 * config/m32c/m32c.c (compare_op0, compare_op1): New.
8505 (m32c_pend_compare): New.
8506 (m32c_unpend_compare): New.
8507 (m32c_expand_scc): New.
8508 (m32c_expand_movcc): Emit the compare also.
8509 * config/m32c/predicates.md (mra_nopp_operand): New.
8511 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
8512 Richard Guenther <rguenther@suse.de>
8513 Adam Nemet <anemet@caviumnetworks.com>
8516 * builtins.c (get_pointer_alignment): Handle more forms
8517 of base addresses that can be used to derive more precise
8518 information about alignment.
8520 2006-09-01 Jason Merrill <jason@redhat.com>
8523 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
8526 * gimplify.c (voidify_wrapper_expr): Handle null type.
8528 2006-09-01 Josh Conner <jconner@apple.com>
8531 * tree-nrv.c (dest_safe_for_nrv_p): New function.
8532 (execute_return_slot_opt): Use it.
8534 2006-08-31 Josh Conner <jconner@apple.com>
8537 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
8538 returning aggregates.
8540 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
8542 PR tree-optimization/28839
8543 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
8544 blocks in that phi arguments appear.
8546 2006-08-31 Roger Sayle <roger@eyesopen.com>
8549 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
8550 NULL, otherwise use an advance_loc4 to adjust relative to the
8552 (output_cfi) <DW_CFA_set_loc>: Update the current label.
8553 (dwarf2out_switch_text_section): Reset the current label to avoid
8554 using advance_loc4 over section boundaries.
8556 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
8559 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
8560 r12 + SYMBOLIC_CONST.
8562 2006-08-30 Richard Guenther <rguenther@suse.de>
8564 * Makefile.in (see.o): Add $(EXPR_H) dependency.
8566 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
8568 PR rtl-optimization/27735
8569 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
8570 Add new argument to keep track of whether an irreducible region
8571 was affected. All callers changed.
8572 (fix_irreducible_loops): Removed.
8573 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
8574 flags were invalidated.
8576 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
8578 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
8579 instead of SF operands.
8580 (*fop_df_comm_sse): Likewise.
8581 (*fop_df_comm_i387): Likewise.
8582 (*fop_df_1_mixed): Likewise.
8583 (*fop_df_1_sse): Likewise.
8585 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
8586 J"orn Rennecke <joern.rennecke@st.com>
8588 PR tree-optimization/17506
8589 * tree-ssa.c (warn_uninit): If warning about a location outside of
8590 the current function, note where the variable was declared.
8592 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
8594 PR tree-optimization/28411
8595 * double-int.c (double_int_div): Use double_int_divmod.
8596 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
8597 double_int_mod, double_int_smod, double_int_umod): New functions.
8598 * double-int.h (double_int_divmod, double_int_sdivmod,
8599 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
8601 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
8603 (get_computation_aff, get_computation_cost_at): Handle double_int
8604 return type of constant_multiple_of.
8606 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
8609 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
8610 an implicit conversion.
8612 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
8614 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
8616 2006-08-27 Roger Sayle <roger@eyesopen.com>
8618 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
8621 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
8623 * config/i386/crtfastmath.c: Fix a comment typo.
8625 2006-08-26 Roger Sayle <roger@eyesopen.com>
8627 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
8628 temporary visit flags on CASE_LABEL_EXPRs.
8629 * c-common.c (match_case_to_enum): Add function comment. Avoid
8630 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
8631 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
8632 CASE_HIGH_SEEN for enumerated types. If the switch expression is
8633 a constant, only warn if that constant value isn't handled.
8635 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
8638 * input.h (restore_input_file_stack): Declare.
8639 (INPUT_FILE_STACK_BITS): Define.
8640 * toplev.c (fs_p, input_file_stack_history,
8641 input_file_stack_restored, restore_input_file_stack): New.
8642 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
8643 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
8644 (pop_srcloc): Don't free old state of stack.
8646 2006-08-26 David Edelsohn <edelsohn@gnu.org>
8649 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
8650 (PowerPC Type Attributes): New.
8652 2006-08-26 Bob Wilson <bob.wilson@acm.org>
8654 * config/xtensa/xtensa.c (function_arg_boundary): New.
8655 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
8657 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
8658 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
8660 2006-08-26 Jakub Jelinek <jakub@redhat.com>
8663 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
8666 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8668 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
8669 (verify_local_live_at_start): Likewise.
8671 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
8674 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
8675 omp_add_variable): Treat sizes as variable whenever not
8678 2006-08-26 Richard Guenther <rguenther@suse.de>
8681 * fold-const.c (fold_binary): Fold temporary to correct
8682 type before constructing new comparison.
8684 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
8687 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
8688 variable again if DECL_SEEN_IN_BIND_EXPR_P.
8690 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
8693 * c-decl.c (start_function): Don't try to process prototype
8694 information from old declaration that isn't a function.
8696 2006-08-25 Jan Hubicka <jh@suse.cz>
8699 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
8701 2006-08-25 Alan Modra <amodra@bigpond.net.au>
8704 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
8707 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
8709 PR tree-optimization/16876
8710 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
8711 exit if PARM doesn't match VALUE.
8713 2006-08-25 Bob Wilson <bob.wilson@acm.org>
8715 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
8716 literal_prefix directive.
8717 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
8718 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
8719 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
8721 2006-08-25 David Edelsohn <edelsohn@gnu.org>
8724 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
8725 predicate to general_operand. Add 0->y and I->r alternatives.
8727 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
8729 * doc/tm.texi: Fix a typo.
8730 * predict.c: Fix comment typos.
8732 2006-08-25 Nick Clifton <nickc@redhat.com>
8734 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
8735 assertions of "cpu" and "machine".
8737 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
8740 * tree-ssa-operands.c (access_can_touch_variable): Don't say
8741 the access through a base which has an alias set of 0 cannot
8744 2006-08-24 Bill Wendling <wendling@apple.com>
8746 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
8748 2006-08-24 Jan Hubicka <jh@suse.cz>
8750 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
8752 2006-08-24 Jan Hubicka <jh@suse.cz>
8755 * cgraph.c: Fix comments.
8756 (cgraph_varpool_mark_needed_node): Mark only variables not already
8758 * cgraphunit.c: Update comments; include gt-cgraphunit.h
8759 (cgraph_varpool_assembled_nodes_queue): New static variable.
8760 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
8761 (cgraph_varpool_output_debug_info): New function.
8762 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
8763 * Makefile.in: Add gt-cgraphunit.h
8765 2006-08-24 Jan Hubicka <jh@suse.cz>
8767 * predict.c (probability_reliable_p): New predicate.
8768 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
8769 (predict_loops): Do not predict loop exit with less than 2%
8771 * basic-block.h (edge_probability_reliable_p,
8772 br_prob_note_reliable_p): Declare.
8773 * ia64.h (ia64_print_operand): Do not disable on-chip branch
8774 prediction when static predictor is not reliable.
8775 * rs6000.c (output_cbranch): Likewise.
8777 2006-08-23 Stuart Hastings <stuart@apple.com>
8780 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
8781 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
8783 2006-08-21 Geoffrey Keating <geoffk@apple.com>
8786 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
8787 complex values, nor for generic vector values.
8789 2006-08-22 Richard Guenther <rguenther@suse.de>
8792 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
8793 parameter. Convert arguments to arithmetic expression to the
8795 (analyze_scalar_evolution_1): Adjust caller.
8797 2006-08-22 Jan Hubicka <jh@suse.cz>
8799 Patch by Paolo Bonzini
8800 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
8803 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
8805 PR tree-optimization/28003
8806 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
8807 before grouping aliases.
8809 2006-08-22 Roger Sayle <roger@eyesopen.com>
8811 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
8812 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
8814 2006-08-21 Jason Merrill <jason@redhat.com>
8817 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
8818 wrapper. Loop to handle nested wrappers.
8819 (gimplify_bind_expr): Remove temp parameter.
8820 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
8821 and STATEMENT_LIST on the rhs.
8822 (gimplify_statement_list): Voidify the STATEMENT_LIST.
8823 (gimplify_expr): Pass pre_p to gimplify_statement_list.
8824 (gimplify_target_expr): Remove special BIND_EXPR handling.
8826 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
8828 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
8831 2006-08-21 Olivier Hainque <hainque@adacore.com>
8833 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
8834 Arrange for the temporary captures of components overlapping the lhs
8835 to happen before the lhs is possibly cleared.
8837 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
8839 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
8840 necessary places to pass the correct "number of registers" values
8843 2006-08-20 Jan Hubicka <jh@suse.cz>
8845 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
8846 (create_name_tags): Instead of quadratic checking use hashtable.
8847 * bitmap.h: Include hashtab.h.
8848 (bitmap_hash): Declare.
8849 * bitmap.c (bitmap_hash): New function.
8851 2006-08-20 Jan Hubicka <jh@suse.cz>
8853 PR rtl-optimization/28071
8854 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
8856 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
8857 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
8858 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
8859 cgraph_decide_inlining_incrementally): Update use of
8860 cgraph_check_inline_limits.
8861 * cgraph.c (edge_hash, edge_eq): New function.
8862 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
8863 cgraph_edge_remove_caller, cgraph_node_remove_callees,
8864 cgraph_remove_node): Maintain call site hash.
8865 * cgraph.h (struct cgraph_node): Add call_site_hash.
8866 (cgraph_set_call_stmt): New function.
8868 2006-08-20 Jan Hubicka <jh@suse.cz>
8870 PR rtl-optimization/28071
8871 * reload1.c (reg_has_output_reload): Turn into regset.
8872 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
8873 choose_reload_regs, emit_reload_insns): Update to new
8874 reg_has_output_reload.
8876 2006-08-20 Jan Hubicka <jh@suse.cz>
8879 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
8880 function body sizes.
8881 * cgraphunit.c (cgraph_analyze_function): Don't do so.
8883 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
8886 * tree.c (handle_dll_attribute): Return early if not a
8887 var or function decl.
8889 2006-08-18 Joseph Myers <joseph@codesourcery.com>
8892 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
8893 alignment of SPE vector types.
8895 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
8897 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
8899 2006-08-17 Jakub Jelinek <jakub@redhat.com>
8902 * cgraph.h (struct cgraph_node): Remove externally_visible
8904 * cgraphunit.c (process_function_and_variable_attributes): Set
8905 local.externally_visible rather than externally_visible.
8908 * c-common.c (handle_externally_visible_attribute): First look
8909 at TREE_CODE and only if it is function or var decl, check for
8910 non-public objects. Don't warn for DECL_EXTERNAL.
8911 * cgraphunit.c (process_function_and_variable_attributes): Warn
8912 if externally_visible attribute is used on non-public object.
8914 2006-08-17 Jan Hubicka <jh@suse.cz>
8916 PR tree-optimization/27865
8917 * reload1.c (forget_marked_reloads): New function.
8918 (forget_old_reloads_1): When data are passed, just mark the registers
8920 (reload_as_needed): Use the new mechanizm.
8922 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
8925 * reload.h (reg_equiv_alt_mem_list): New declaration.
8926 * reload1.c (reg_equiv_alt_mem_list): New definition.
8927 (reload): Initialize it and release it.
8928 (delete_output_reload): Use it.
8929 * reload.c (push_reg_equiv_alt_mem): New function.
8930 (find_reloads_toplev): Call it.
8931 (find_reloads_address, find_reloads_address_1): Likewise.
8932 (find_reloads_subreg_address): Likewise.
8934 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8936 PR rtl-optimization/28489
8937 * sched-ebb.c (begin_schedule_ready): Create basic block
8939 (advance_target_bb): Skip empty blocks.
8940 * haifa-sched.c (bb_note): Make global.
8941 * sched-int.h (bb_note): Add prototype.
8943 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8945 PR tree-optimization/27865
8946 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
8948 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
8949 fold_used_pointer, pointer_used_p): New functions.
8950 (analyze_scalar_evolution_1): Use fold_used_pointer.
8951 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
8952 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
8955 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
8958 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
8959 or the INTEGER_CST. Fail on a CALL_EXPR.
8960 (fold_offsetof): Pass new argument to fold_offsetof_1.
8961 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
8962 operand into an INDIRECT_REF.
8963 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
8965 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8967 PR gcov/profile/26570
8968 * value-prof.c (static_values): Removed.
8969 (tree_find_values_to_profile): Do not set static_values.
8970 (find_values_to_profile): Do not free static_values.
8971 * profile.c (instrument_values): Do not free the values.
8972 (branch_prob): Free the values.
8974 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
8976 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
8978 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
8981 * c-typeck.c (build_component_ref): Combine qualifiers of
8982 structure or union and field.
8984 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8986 PR rtl-optimization/28071
8987 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
8988 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
8989 * tree-into-ssa.c (struct dom_dfsnum): New.
8990 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
8992 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
8993 compute_global_livein.
8994 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
8995 in phi nodes in the correct blocks.
8997 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8999 PR tree-optimization/28364
9000 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
9002 (fold_affine_expr): New function.
9003 (may_eliminate_iv): Use fold_affine_expr.
9005 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9008 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
9011 2006-08-16 Mike Stump <mrs@apple.com>
9013 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
9014 * doc/cppopts.texi (-MD): Likewise.
9016 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
9019 * c-common.c (handle_weak_attribute): Ignore and warn if
9020 not a FUNCTION_ or VAR_DECL.
9022 2006-07-15 Mike Stump <mrs@apple.com>
9025 * c-parser.c (c_parser_typeof_specifier): Don't use
9026 c_finish_expr_stmt, open code desired semantics instead.
9028 2006-08-15 Nick Clifton <nickc@redhat.com>
9030 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
9031 fragment to tmake_file only if threads are enabled.
9032 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
9033 * config/i386/t-gthr-win32: New file. ... here.
9035 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9038 * c-parser.c (c_parser_compound_statement_nostart): Reset
9039 parser->error after each statement.
9041 2006-08-15 Jakub Jelinek <jakub@redhat.com>
9044 * omp-low.c (lower_omp_parallel): Convert t to
9045 receiver_decl's type.
9046 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
9047 source before comparison.
9050 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
9051 to itype in assignment to oldival2.
9053 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
9057 * c-typeck.c (build_compound_expr): If the second expression
9058 is an error mark, then just return an error mark instead of
9059 creating a COMPOUND_EXPR.
9061 2006-07-14 Mike Stump <mrs@apple.com>
9063 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
9065 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
9067 * c-decl.c, var-tracking.c: Fix comment typos.
9069 2006-08-14 Richard Sandiford <richard@codesourcery.com>
9071 PR rtl-optimization/28634
9072 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
9073 for floating-point modes unless flag_unsafe_math_optimizations.
9075 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
9076 Andrew Pinski <pinskia@physics.uc.edu>
9079 * tree.c (build_array_type): Unify array types with
9080 unspecified index_type.
9081 * c-decl.c (grokdeclarator): Make sure we do not modify a
9082 unified incomplete array type.
9083 * c-typeck.c (store_init_value): Create distinct type before
9084 filling in the index type in an initializer from a compound
9087 * c-decl.c (grokdeclarator): Remove code where we copy the
9090 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
9092 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
9093 into account for TODO_dump_cgraph.
9094 (TODO_update_ssa_no_phi): Likewise.
9095 (TODO_update_ssa_full_phi): Likewise.
9096 (TODO_update_ssa_only_virtuals): Likewise.
9097 (TODO_remove_unused_locals): Likewise.
9098 (TODO_set_props): Likewise.
9099 (TODO_update_stmt_usage): Likewise.
9101 2006-08-13 Dirk Mueller <dmueller@suse.de>
9103 * c-common.c (strict_aliasing_warning): Fix formatting.
9105 2006-08-13 Matthias Klose <doko@debian.org>
9107 * doc/invoke.texi: Fix spelling errors.
9109 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
9111 PR rtl-optimization/23454
9112 * reorg.c (relax_delay_slots): Update comment.
9114 2006-08-11 Richard Guenther <rguenther@suse.de>
9117 * simplify-rtx.c (simplify_const_relational_operation):
9118 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
9121 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
9123 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
9124 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
9126 2006-08-10 Paul Brook <paul@codesourcery.com>
9128 * final.c (final_scan_insn): Clear current_insn_predicate before
9129 outputting inline asm.
9131 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
9133 PR tree-optimization/26197
9134 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
9135 get_ref_base_and_extent and overlap_subvar to add only relevant
9136 subvars as may-aliases.
9137 (add_may_alias_for_new_tag): New function, factored out of
9139 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
9140 with additional argument.
9141 * tree-flow.h (new_type_alias): Takes additional argument.
9143 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
9145 * gcov.c (no_data_file): New flag.
9146 (read_count_file): Set it if data file not present. Assume counts
9148 (output_lines): Don't name the data file, if there wasn't one.
9150 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
9152 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
9153 (rs6000_generate_compare): Tweak comments.
9154 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
9156 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
9158 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
9159 (var_debug_decl): New function.
9160 (var_reg_set): Follow debug decl link. Add location even if
9161 reg is already known to hold some other variable.
9162 (var_mem_set): Follow debug decl link.
9163 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
9164 decl link. Delete other known locations of the variable part
9166 (var_reg_delete, var_mem_delete): Delete other known locations
9167 of the variable part if requested.
9168 (same_variable_part_p): New function.
9169 (add_stores): Select MO_COPY when appropriate.
9170 (vt_initialize): Handle it.
9171 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
9172 known locations for MO_SET and MO_CLOBBER.
9173 (find_variable_location_part): New function.
9174 (set_variable_part, delete_variable_part): Use it.
9175 (clobber_variable_part): New function.
9176 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
9179 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
9181 PR tree-optimization/26969
9182 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
9183 with an empty list of PHIs.
9185 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
9189 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
9192 2006-08-06 Andreas Schwab <schwab@suse.de>
9194 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
9195 string. Whitespace and comment fixup.
9197 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9200 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
9204 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
9207 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
9209 2006-08-04 Jan Hubicka <jh@suse.cz>
9213 * reload.c (push_reload): Patch out the mismatching instruction;
9215 (find_reload): Bail out if the instruction was patched out.
9217 2006-08-04 Jan Hubicka <jh@suse.cz>
9219 PR tree-optimization/24888
9220 * tree-inline.c (expand_call_inline): Do not re-record variables.
9221 (declare_inline_vars): Add variable to unexpanded_var_list.
9223 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9224 Roger Sayle <roger@eyesopen.com>
9226 PR rtl-optimization/26244
9227 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
9228 inner_const are negative or greater than or equal to the bitsize of
9229 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
9230 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
9231 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
9232 CONST0_RTX (mode) when the new shift count is greater than or equal to
9233 to the bitsize of the object being shifted and XEXP (y, 0) has no side
9236 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
9238 * tree-cfg.c: Fix a comment typo.
9240 2006-08-03 Mark Mitchell <mark@codesourcery.com>
9243 * varasm.c (output_constant): Give the front end another chance to
9244 expand constants, after stripping NOPs.
9246 2006-08-03 Jan Hubicka <jh@suse.cz>
9248 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
9251 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
9253 PR tree-optimization/27770
9254 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
9255 declaration removed (moved to tree-flow.h).
9256 (vect_can_force_dr_alignment_p): Likewise.
9257 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
9258 (moved from tree-vectorizer.h).
9259 (vect_can_force_dr_alignment_p): Likewise.
9260 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
9261 from outside the vectorizer - in particular from cgraph stage.
9262 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
9263 the alignment of global arrays when -fsection-anchors is enabled.
9264 * cgraphunit.c (cgraph_increase_alignment): New function.
9265 (cgraph_optimize): Call cgraph_increase_alignment.
9267 2006-08-03 David Edelsohn <edelsohn@gnu.org>
9270 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
9271 not reload a SPE symbol_ref into a lo_sum address.
9273 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
9276 * dwarf2out.c (prune_unused_types_prune): Move call to
9277 prune_unused_types_update_strings to cover the parent DIE also.
9279 2006-08-02 Jan Hubicka <jh@suse.cz>
9281 PR gcov/profile/28480
9282 * tree-cfg.c (change_bb_for_stmt): New function.
9283 (tree_merge_blocks, tree_split_blocks): Use it.
9285 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9291 * toplev.c (compile_file): Return early on errorcount or sorrycount.
9292 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
9293 (cgraph_optimize): Likewise.
9295 2006-08-01 Stuart Hastings <stuart@apple.com>
9297 * rtl.h (UINTVAL) New.
9298 * config/rs6000/rs6000.c (SMALL_INT) Use it.
9299 * testsuite/gcc.dg/20060801-1.c: New.
9301 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
9304 * c-typeck.c (build_external_type): Mark used enum types.
9305 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
9307 (gen_subprogram_die): Whitespace fix.
9309 2006-08-01 Jan Hubicka <jh@suse.cz>
9311 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
9312 bitmap when not needed.
9313 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
9316 2006-08-01 Dirk Mueller <dmueller@suse.de>
9318 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
9320 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9322 * Makefile.in: Revert part of previous patch:
9323 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
9326 2006-07-30 Eric Christopher <echristo@apple.com>
9329 * doc/extend.texi (i386 Variable Attributes): Add anchor.
9330 (PowerPC Variable Attributes): New section.
9332 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
9334 PR target/28126 (partial fix)
9335 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
9337 2006-07-28 Jan Hubicka <jh@suse.cz>
9339 PR rtl-optimization/28071
9340 * cfgrtl.c (rtl_delete_block): Free regsets.
9341 * flow.c (allocate_bb_life_data): Re-use regsets if available.
9343 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9345 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
9346 and variables used in dependencies.
9348 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
9350 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
9351 %fs for -mcmodel=kernel.
9352 (stack_tls_protect_test_di): Likewise.
9354 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
9356 * Makefile.in: Use mkinstalldirs.
9358 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
9361 * opts-common.c (prune_options): Skip joined switches.
9363 2006-07-27 Jan Hubicka <jh@suse.cz>
9365 PR rtl-optimization/28071
9366 * cselib.c (cselib_process_insn): Don't remove useless values too
9367 often for very large hashtables.
9369 2006-07-27 Jan Hubicka <jh@suse.cz>
9371 PR rtl-optimization/28071
9372 * global.c (greg_obstack): New obstack.
9373 (allocate_bb_info): Use it.
9374 (free_bb_info): Likewise.
9375 (modify_reg_pav): Likewise.
9377 2006-07-27 Roger Sayle <roger@eyesopen.com>
9379 * builtins.c (fold_fixed_mathfn): When long and long long are the
9380 same size, canonicalize llceil*, llfloor*, llround* and llrint*
9381 functions to their lceil*, lfloor*, lround* and lrint* forms.
9383 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9386 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
9388 (rev_branch_insn): Likewise.
9390 2006-07-27 Jan Hubicka <jh@suse.cz>
9392 PR rtl-optimization/28071
9393 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
9394 (reg_set_in_bb, max_reg_computed): New static variables.
9395 (regmove_optimize): Free the new array.
9396 (fixup_match_1): Update call of reg_is_remote_constant_p.
9398 2006-07-26 Jan Hubicka <jh@suse.cz>
9400 PR tree-optimization/27882
9401 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
9403 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
9405 (cgraph_analyze_compilation_unit): Likewise.
9406 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
9407 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
9408 (cgraph_early_inlinine): Make order garbage collected.
9409 * Makefile.in (gt-ipa-inline): New garbagecollected file.
9411 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
9413 * dbxout.c (output_types_sort): Add a comment.
9414 (output_used_types): Free the VEC.
9416 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
9418 * function.c (reorder_fix_fragments): Delete.
9419 (reorder_blocks): Don't call it.
9420 (reorder_blocks_1): Put all subblocks under the origin block.
9422 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
9424 PR rtl-optimization/27907
9425 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
9428 2006-07-25 Roger Sayle <roger@eyesopen.com>
9431 * convert.c (convert_to_integer): When transforming (T)foo(x) into
9432 bar(x) check that bar's result type can represent all the values of T.
9434 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
9436 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
9438 2006-07-25 Nick Clifton <nickc@redhat.com>
9440 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
9441 size_lookup[] array.
9442 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
9443 (ggc_pch_count_object): Likewise.
9444 (ggc_pch_alloc_object): Likewise.
9445 (ggc_pch_write_object): Likewise.
9446 (init_ggc): Do not attempt to initialize entries in the
9447 size_lookup[] array for objects whose size is greater than than
9448 the length of the array.
9450 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
9452 * dbxout.c (output_used_types_helper): Push queued types
9454 (output_types_sort): New.
9455 (output_used_types): Collect used types on a VEC and sort them
9458 2006-07-24 Richard Guenther <rguenther@suse.de>
9461 * cgraph.c (cgraph_remove_node): Do not check if dumps
9463 * cgraphunit.c (cgraph_optimize): Likewise.
9465 2006-07-24 Jan Hubicka <jh@suse.cz>
9467 PR rtl-optimization/28071
9468 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
9469 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
9470 splitting before first stmt.
9472 2006-07-24 Jan Hubicka <jh@suse.cz>
9474 PR rtl-optimization/28071
9475 * ipa-inline.c (update_caller_keys): Remove edges that
9476 are no longer inline candidates.
9478 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
9481 * dbxout.c (output_used_types_helper, output_used_types): New.
9482 (dbxout_symbol): Call output_used_types.
9484 2006-07-23 Jan Hubicka <jh@suse.cz>
9488 * cgraph.c (cgraph_varpool_nodes): Export.
9489 (decide_is_variable_needed): Ignored "used" attribute in
9490 unit-at-a-time mode.
9491 * cgraph.h (cgraph_varpool_nodes): Declare.
9492 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
9493 unit-at-a-time mode.
9495 2006-07-23 Roger Sayle <roger@eyesopen.com>
9498 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
9499 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
9500 the __gthrw form of thr_keycreate.
9501 (__gthread_key_delete): Silence the unused argument warning.
9503 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
9506 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
9507 Cache the last found '\0' marker to avoid quadratic behavior.
9509 2006-07-23 Jan Hubicka <jh@suse.cz>
9511 * i386.md (subsi_3_zext): Fix output template.
9513 2006-07-21 Mike Stump <mrs@apple.com>
9515 * doc/invoke.texi (C++ Dialect Options): Note that
9516 -fvisibility-inlines-hidden doesn't affect explicitly
9517 instantiationed inline methods.
9519 2006-07-20 Roger Sayle <roger@eyesopen.com>
9521 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
9522 if the target assembler is GNU binutils' gas.
9523 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
9524 whether to pass GNU gas or native as command line options.
9526 2006-07-20 Jason Merrill <jason@redhat.com>
9528 * tree.c (remove_attribute): New fn.
9529 * tree.h: Declare it.
9531 2006-07-20 Paul Brook <paul@codesourcery.com>
9534 * cse.c (cse_insn): Add destination addresses to hash table. Check if
9535 they are invalidated by this instruction.
9537 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
9540 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
9542 2006-07-20 Eric Christopher <echristo@apple.com>
9545 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
9547 2006-07-19 Eric Christopher <echristo@apple.com>
9549 * config/t-slibgcc-darwin (stmp-lipo): Remove.
9550 Rewrite dependencies for libgcc_s.1.dylib.
9552 2006-07-19 Jakub Jelinek <jakub@redhat.com>
9554 * except.c (duplicate_eh_regions_1): Clear next_peer.
9556 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
9558 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
9559 -mlongcall does not guarantee all calls will be long.
9560 * doc/extend.texi (long_call/short_call): Document that longcall
9561 does not guarantee a long call will be used.
9562 (longcall/shortcall): Likewise.
9564 2006-07-18 Roger Sayle <roger@eyesopen.com>
9567 * expmed.c (expand_shift): Additionally check that the shift_cost
9568 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
9569 before implementing a LSHIFT_EXPR as a sequence of additions.
9570 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
9571 middle-end that DImode shifts need to be synthesized by expand.
9573 2006-07-18 Diego Novillo <dnovillo@redhat.com>
9576 * tree-ssa-operands.c (access_can_touch_variable): Update
9578 Return true if ALIAS is .GLOBAL_VAR.
9580 2006-07-18 David Daney <ddaney@avtrex.com>
9582 * gcc.c (display_help): Fix typo in help text.
9584 2006-07-18 Olivier Hainque <hainque@adacore.com>
9586 * tree.h (categorize_ctor_elements): Adjust prototype and add
9587 descriptive comment, both in accordance with the interface change
9589 * varasm.c (constructor_static_from_elts_p): New function.
9590 Whether a constructor node is a valid static constant initializer
9591 if all its elements are.
9592 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
9593 * output.h: Declare it.
9594 * expr.c (categorize_ctor_elements_1): Return whether the constructor
9595 is a valid constant initializer instead of computing the number of
9596 non-constant elements. Use constructor_static_from_elts_p for this
9597 purpose. Replace the head comment with an indication that this is a
9598 helper for categorize_ctor_elements.
9599 (categorize_ctor_elements): Same interface change as for the _1
9600 helper. Former head comment from this helper moved here, adjusted to
9601 account for the interface changes.
9602 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
9603 (all_zeros_p): Likewise.
9604 * gimplify.c (gimplify_init_constructor): Decide whether we can make
9605 static versions of the constructor from the categorize_ctor_elements
9606 return value instead of the formerly computed number of non-constant
9609 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
9611 * configure: Regenerate.
9612 * Makefile.in (build_libsubdir): New configure substitution
9613 (build_libobjdir): New variable.
9614 (BUILD_LIBIBERTY): Use it.
9616 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9619 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
9621 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
9624 * c-common.c (handle_weakref_attribute): Ignore attribute in
9625 the same conditions the alias attribute is ignored.
9627 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
9629 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
9630 (dbxout_begin_prologue): Increment scope_labelno.
9632 2006-07-17 Richard Henderson <rth@redhat.com>
9635 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
9638 2006-07-17 Roger Sayle <roger@eyesopen.com>
9639 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9641 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
9642 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
9643 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
9644 functions such as sbrk, write, etc.. Add function prototypes.
9645 Convert function declarations from K&R to ISO C. Cast pointers
9646 to "long" and "unsigned long" instead of "int" and "unsigned int".
9647 Convert tokens following #endif into comments.
9649 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
9651 * invoke.texi: Remove mention of f77; Reformat table for
9652 inline parameter options correctly; mention that -malign-double
9653 is default on x86-64 targets.
9655 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
9657 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
9658 (convert_affine_scev, chrec_convert_aggressive): Use
9659 avoid_arithmetics_in_type_p. Do not check for the subtypes
9662 2006-07-17 Richard Sandiford <richard@codesourcery.com>
9665 * optabs.c (expand_doubleword_shift): Wrap the call to
9666 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
9668 2006-07-17 Richard Sandiford <richard@codesourcery.com>
9671 * optabs.c (expand_binop): Pass next_methods rather than methods
9672 to expand_doubleword_shift.
9674 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
9677 * tree.h (dump_addr): Declare.
9678 * print-tree.c (dump_addr): New function.
9679 (print_node_brief, print_node): Use it.
9680 * print-rtl.c (print_rtx): Likewise.
9681 * common.opt (-fdump-noaddr): New option.
9682 * doc/invoke.texi (-fdump-noaddr): Document.
9683 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
9684 (ve_info_hash): Likewise.
9686 2006-07-13 Andrew Haley <aph@redhat.com>
9688 PR tree-optimization/19505
9689 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
9690 edge leaving this block, make sure that the destination of this
9691 block has only one predecessor.
9693 2006-07-17 Richard Guenther <rguenther@suse.de>
9695 PR tree-optimization/28238
9696 * tree-inline.c (copy_bb): Check if we produced valid
9697 gimple copying and substituting a stmt. If not, gimplify
9700 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
9702 * optabs.c (maybe_encapsulate_block): New function extracted from...
9703 (emit_libcall_block): ...here. Invoke it on the block of insns to
9704 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
9705 (emit_no_conflict_block): Likewise.
9707 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9709 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
9711 2006-07-15 Roger Sayle <roger@eyesopen.com>
9713 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
9714 a new NOP_EXPR case of the switch statement.
9716 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
9719 * stor-layout.c (place_field): Take the bit field with
9720 an excessive size into account in the ms-bitfiled case.
9723 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
9724 the previous bit field.
9726 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
9729 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
9731 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
9733 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
9734 signal frames correctly even when the signal was installed with
9737 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
9739 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
9740 (dbxout_function_end): Use local label LFBB. Remove hook
9742 (dbxout_source_line): Use local label LFBB.
9743 (dbxout_block): Likewise.
9744 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
9745 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
9746 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
9747 and DBX_OUTPUT_NFUN.
9749 2006-07-13 Janis Johnson <janis187@us.ibm.com>
9751 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
9753 2006-07-13 Jan Hubicka <jh@suse.cz>
9755 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
9757 * output.h (align_variable): Declare.
9758 * varasm.c (align_variable): Export.
9759 * value-prof.c (tree_value_profile_transformations): Recompute iterator
9760 when basic block changed.
9762 2006-07-13 Nick Clifton <nickc@redhat.com>
9764 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
9765 walking the LOG_LINKS chain.
9767 2006-07-12 Geoffrey Keating <geoffk@apple.com>
9769 * doc/invoke.texi (C++ Dialect Options): Explain difference
9770 between -fvisibility-inlines-hidden and setting hidden
9771 visibility explicitly.
9773 2006-07-12 Eric Christopher <echristo@apple.com>
9775 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
9776 (stmp-lipo): Depend on libgcc.a.
9778 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
9780 * tree.c: Fix a comment typo.
9782 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
9784 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
9786 (umulhisi3_r): Likewise.
9788 2006-07-12 Paolo Carlini <pcarlini@suse.de>
9791 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
9792 x < 19, vs wchar_t support.
9794 2006-07-12 Nick Clifton <nickc@redhat.com>
9796 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
9797 instead of -isa=sh4.
9799 2006-07-12 Mike Stump <mrs@apple.com>
9801 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
9803 2006-07-10 Eric Christopher <echristo@apple.com>
9805 * config/t-slibgcc-darwin: Rewrite.
9807 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
9810 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
9813 2006-07-08 Matthias Klose <doko@debian.org>
9815 * doc/sourcebuild.texi: Fix typo.
9817 2006-07-07 Mike Stump <mrs@apple.com>
9819 * toplev.c (process_options): Don't give -ffunction-sections may
9820 affect debugging warning for Mach-O.
9822 2006-07-07 James E Wilson <wilson@specifix.com>
9824 * config/mips/mips.md (cpu): Add sb1a.
9825 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
9826 addition to sb1. Adjust comments to clarify SB-1A differences from
9828 (ir_sb1a_load): New. Modify bypasses to use it.
9829 (ir_sb1a_simple_alu): Likewise.
9830 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
9831 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
9832 (mips_issue_rate): Add PROCESSOR_SB1A.
9833 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
9834 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
9835 (TARGET_SB1): Add PROCESSOR_SB1A check.
9836 (TUNE_SB1): Likewise.
9838 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
9839 * config/mips/mips.c (mips_store_data_bypass_p): New.
9840 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
9841 store_data_bypass_p.
9843 2006-07-08 Paul Brook <paul@codesourcery.com>
9846 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
9848 2006-07-07 Richard Guenther <rguenther@suse.de>
9851 * tree.h (build_one_cst): Declare.
9852 * tree.c (build_one_cst): New function.
9853 * tree-ssa-math-opts.c (get_constant_one): Remove.
9854 (insert_reciprocals): Use build_one_cst.
9855 * fold-const.c (fold_plusminus_mult): Likewise.
9857 2006-07-07 Roger Sayle <roger@eyesopen.com>
9859 * pointer-set.c (pointer_set_destroy): Correct whitespace.
9860 * cfgloopanal.c (dump_graph): Likewise.
9861 * dojump.c (discard_pending_stack_adjust): Likewise.
9862 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
9864 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
9865 * function.c (finalize_block_changes): Likewise.
9866 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
9867 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
9868 * rtl.c (dump_rtx_statistics): Likewise.
9869 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
9871 * varray.c (dump_varray_statistics): Likewise.
9872 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
9873 decode_decimal64, encode_decimal128, decode_decimal128,
9874 decimal_real_to_decimal): Likewise.
9876 2006-07-07 Richard Guenther <rguenther@suse.de>
9878 PR tree-optimization/28187
9879 * tree-vrp.c (vrp_operand_equal_p): New function.
9880 (vrp_bitmap_equal_p): Likewise.
9881 (update_value_range): Use them to compare old and new
9884 2006-07-06 Roger Sayle <roger@eyesopen.com>
9886 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
9887 a default case to switch statement to silence compiler warnings.
9889 2006-07-06 Roger Sayle <roger@eyesopen.com>
9892 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
9893 the configured assembler supports the x87's ffreep mnemonic.
9894 * configure: Regenerate.
9895 * config.in: Regenerate.
9897 * config/i386/i386.c (output_387_ffreep): New function.
9898 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
9899 (output_387_reg_move): Likewise.
9901 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
9903 Port to hosts whose 'sort' and 'tail' implementations
9904 treat operands with leading '+' as file names, as POSIX
9905 has required since 2001. However, make sure the code still
9906 works on pre-POSIX hosts.
9907 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
9908 which says you should use "tail -c +N" rather than "tail +Nc".
9909 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
9911 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
9913 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
9916 2006-07-06 David Edelsohn <edelsohn@gnu.org>
9919 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
9920 PRE_{INC,DEC} of TFmode.
9922 2006-07-06 David Edelsohn <edelsohn@gnu.org>
9923 Alan Modra <amodra@bigpond.net.au>
9926 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
9929 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9932 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
9933 Remove duplicate gtu.
9935 2006-07-05 Jason Merrill <jason@redhat.com>
9939 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
9940 * c-common.c (handle_packed_attribute): So don't copy it here.
9941 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
9943 2006-07-05 Mike Stump <mrs@apple.com>
9945 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
9947 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
9950 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
9952 2006-07-05 Richard Guenther <rguenther@suse.de>
9955 * config/i386/i386.md (*negdf2_1): Restrict pattern to
9956 TARGET_SSE2 targets if using SSE math.
9957 (*absdf2_1): Likewise.
9959 2006-07-05 Richard Guenther <rguenther@suse.de>
9961 PR tree-optimization/28162
9962 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
9963 make sure to convert the operands to the correct type.
9965 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
9967 PR tree-optimization/28218
9969 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
9970 to calculate and free the dominator information.
9972 2006-07-04 Peter O'Gorman <peter@pogma.com>
9974 * mklibgcc.in: chmod 644 before ranlib during install.
9976 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
9977 J"orn Rennecke <joern.rennecke@st.com>
9979 * configure.ac (.eh_frame data check): Use diff -b.
9981 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
9984 * Makefile.in (BUILD_RTL): Add build/vec.o.
9985 (build/gencondmd.o): Filter out -fkeep-inline-functions.
9986 (build/genextract): Delete.
9987 (build/genautomata): Likewise.
9989 2006-07-04 Alan Modra <amodra@bigpond.net.au>
9992 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
9993 128-bit IBM long doubles for ABI_V4.
9995 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
9997 * tree.c (range_in_array_bounds_p): New predicate.
9998 * tree.h (range_in_array_bounds_p): Declare it.
9999 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
10000 return a less conservative answer.
10001 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
10002 and flag 'is_group'.
10003 (IS_ELEMENT_FOR_GROUP): New macro.
10004 (FOR_EACH_ACTUAL_CHILD): Likewise.
10005 (next_child_for_group): New helper function.
10006 (can_completely_scalarize_p): Take into account groups.
10007 (sra_hash_tree): Handle RANGE_EXPR.
10008 (sra_elt_eq): Likewise.
10009 (lookup_element): Be prepared for handling groups.
10010 (is_valid_const_index): Delete.
10011 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
10012 instead of is_valid_const_index.
10013 <ARRAY_RANGE_REF>: New case.
10014 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
10015 is_valid_const_index.
10016 <ARRAY_RANGE_REF>: Do not unconditionally punt.
10017 (scan_dump): Dump info for groups too.
10018 (decide_instantiation_1): Likewise.
10019 (decide_block_copy): Assert that the element is not a group.
10020 Propagate decision to groups.
10021 (generate_one_element_ref): Handle RANGE_EXPR.
10022 (mark_no_warning): Iterate over actual childs.
10023 (generate_copy_inout): Likewise.
10024 (generate_element_copy): Likewise.
10025 (generate_element_zero): Likewise.
10026 (generate_element_init_1): Likewise.
10027 (dump_sra_elt_name): Handle RANGE_EXPR.
10029 2006-07-03 Roger Sayle <roger@eyesopen.com>
10031 PR tree-optimization/26251
10032 * tree-ssa-threadupdate.c (redirection_block_p): New function.
10033 (thread_block): When optimizing for size refuse to thread jumps
10034 that would require duplication of blocks other than redirection
10037 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
10039 * configure.ac: Fix thinko in previous check-in.
10040 * configure: Regenerate.
10042 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
10045 * configure.ac (for lang...): Simplify nesting of conditionals.
10046 Test subdir_requires for non-enabled languages. Move processing
10047 of lang_opt_files and lang_tree_fiels below that test.
10048 * configure: Regenerate.
10049 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
10051 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
10053 * doc/gcov.texi (Invoking Gcov): Add a missing word.
10055 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
10057 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
10060 2006-06-29 Jason Merrill <jason@redhat.com>
10067 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
10068 * c-common.c (c_determine_visibility): Handle it here.
10069 * c-decl.c (finish_decl): Call c_determine_visibility for
10071 * flags.h (enum symbol_visibility): Sort from most to least visibility.
10072 * tree.h: Likewise.
10073 * varasm.c (default_assemble_visibility): Likewise.
10074 * c-common.c (handle_visibility_attribute): Complain about trying
10075 to give visibility to an already defined class, or trying to change
10076 declared visibility. Always attach the attribute.
10081 * attribs.c (decl_attributes): Ignore type-in-place attributes
10082 once the type has been defined.
10084 2006-06-29 Roger Sayle <roger@eyesopen.com>
10086 PR middle-end/27428
10087 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
10088 to indicate the cpplib has issued an error message for us.
10090 2006-06-29 Asher Langton <langton2@llnl.gov>
10093 * config/i386/i386.c (ix86_output_function_epilogue): Don't
10094 insert a label at the end of an function under Mach-O.
10096 2006-06-29 Eric Christopher <echristo@apple.com>
10097 Evan Cheng <evan.cheng@apple.com>
10099 * predicates.md (vector_all_ones_operand): New.
10100 (nonimmediate_or_sse_const_operand): Ditto.
10101 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
10102 * config/i386/i386.c (standard_sse_constant_opcode): Define.
10103 (standard_sse_mode_p): Ditto.
10104 (standard_sse_constant_p): Add case for -1 vector.
10105 (ix86_expand_vector_move): Try to use.
10106 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
10107 Call standard_sse_constant_opcode.
10108 (*movv4sf_internal): Ditto.
10109 (*movv2df_internal): Ditto.
10111 2006-06-29 Roger Sayle <roger@eyesopen.com>
10113 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
10114 of XEXP to extract the operands of a MATCH_CODE rtx.
10116 2006-06-28 Andrew Pinski <pinskia@gmail.com>
10118 * tree.c (tree_size): Do not waste tail padding in
10119 struct tree_string and make the size be the same as
10120 build_string will generate.
10122 2006-06-28 Jason Merrill <jason@redhat.com>
10125 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
10126 may_aliases already in the tag's annotations to the bitmap.
10128 2006-06-28 Roger Sayle <roger@eyesopen.com>
10130 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
10132 2006-06-28 Roger Sayle <roger@eyesopen.com>
10134 * genpreds.c (generate_switch_p): New function.
10135 (add_mode_tests): Push the new mode test down inside an AND expr
10136 if this allows the switch-suitable MATCH_CODE to be near the root.
10137 (write_match_code_switch): New function to write a MATCH_CODE as
10138 a switch statement.
10139 (write_predicate_stmts): New function to write a predicate RTX
10140 expression as a sequence of statements.
10141 (write_one_predicate_function): Use write_predicate_stmts.
10142 (write_tm_constrs_h): Likewise.
10144 2006-06-26 Fred Fish <fnf@specifix.com>
10146 * config/mips/t-sb1: New file.
10147 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
10150 2006-06-26 DJ Delorie <dj@redhat.com>
10152 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
10154 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
10155 Jayant Sonar <jayants@kpitcummins.com>
10156 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
10158 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
10159 (subsi3, subsi3_1, subsi3_2): New.
10160 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
10161 * config/m32c/mov.md (SI mov peephole): New.
10162 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
10163 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
10165 2006-06-26 Olivier Hainque <hainque@adacore.com>
10167 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
10168 a CALL_EXPR target function declaration.
10170 2006-06-26 Richard Guenther <rguenther@suse.de>
10172 * tree.c (build_string): Do not waste tail padding in
10173 struct tree_string.
10175 2006-06-26 Richard Guenther <rguenther@suse.de>
10177 * ggc-page.c (init_ggc): Add missing element to size_lookup
10181 2006-06-23 Richard Guenther <rguenther@suse.de>
10183 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
10184 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
10185 alignment requests instead. Add verification code.
10186 Add struct tree_function_decl and struct tree_binfo size to
10187 extra_order_size_table. Add missing element to size_lookup
10190 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
10192 PR middle-end/28151
10193 * fold-const.c (const_binop): Be prepared for self returning zero.
10194 Simplify code handling complex values.
10196 2006-06-24 Olivier Hainque <hainque@adacore.com>
10198 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
10199 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
10202 2006-06-24 Olivier Hainque <hainque@adacore.com>
10204 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
10205 ARRAY_REF, so have the callback called for the low bound expression.
10207 2006-06-23 Janis Johnson <janis187@us.ibm.com>
10209 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
10210 * c-typeck.c (c_common_type): Disallow operations on decimal float
10211 types and other float types.
10212 * convert.c (convert_to_real): Don't ignore conversions involving
10213 decimal float types.
10215 2006-06-23 Olivier Hainque <hainque@adacore.com>
10217 * tree.c (max_int_size_in_bytes): New function, inspired from
10218 code in function.c:assign_temp.
10219 * tree.h (max_int_size_in_bytes): Declare.
10220 * function.c (assign_temp): Use it.
10221 * gimplify.c (create_tmp_var): Relax the assertions on the type
10222 properties, not mandating constant size any more.
10223 (force_constant_size): New static function.
10224 (gimple_add_tmp_var): Use it, forcing variable size to a
10225 constant upper bound if it is not constant on entry.
10227 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
10230 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
10231 for initialization and setting of one_only flag to ...
10232 (i386_pe_encode_section_info): ...here.
10233 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
10234 Recheck that the symbol has not been defined.
10236 2006-06-23 Richard Guenther <rguenther@suse.de>
10238 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
10239 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
10240 alignment requests instead. Add verification code.
10241 Add struct tree_function_decl and struct tree_binfo size to
10242 extra_order_size_table. Add missing element to size_lookup
10245 2006-06-22 Roger Sayle <roger@eyesopen.com>
10246 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10248 PR middle-end/28131
10249 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
10250 call to lang_hooks.types.type_for_mode returned NULL_TREE.
10252 2006-06-23 Ben Elliston <bje@au.ibm.com>
10254 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
10255 negate dn -- manipulate it directly.
10257 2006-06-22 Roger Sayle <roger@eyesopen.com>
10258 Steven Bosscher <stevenb.gcc@gmail.com>
10261 * reload1.c (gen_reload): Call mark_jump_label on the new insns
10262 generated by gen_move_insn to add REG_LABEL notes if necessary.
10264 2006-06-22 Bob Wilson <bob.wilson@acm.org>
10266 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
10267 (leaf_entry): Remove use of MIN_ESA.
10269 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
10271 PR rtl-optimization/28121
10272 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
10275 2006-06-21 DJ Delorie <dj@redhat.com>
10277 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
10279 (mulhisi3_r): Likewise.
10281 2006-06-21 Richard Sandiford <richard@codesourcery.com>
10283 PR middle-end/28034
10284 * coverage.c (coverage_counter_alloc): Leave the index type
10286 (coverage_counter_alloc): Use null arguments for operands 2 and 3
10289 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
10291 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
10292 section from the "Options for Code Generation Conventions".
10294 2006-06-21 Richard Henderson <rth@redhat.com>
10298 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
10300 (global_symbolic_operand): Allow weak symbols, even if local_p.
10302 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
10304 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
10305 (find_interesting_uses_address): Punt if above function returns true.
10307 2006-06-21 Richard Guenther <rguenther@suse.de>
10309 * configure: Regenerated.
10311 2006-06-21 Joseph Myers <joseph@codesourcery.com>
10313 * config/mips/mips.c (function_arg): Where one part of a
10314 complex argument is in registers and the other part in the stack,
10315 return a REG not a PARALLEL.
10317 2006-06-21 Mark Mitchell <mark@codesourcery.com>
10319 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
10320 when cross-compiling. Do not substitute libstdcxx_incdir.
10321 * configure: Regenerated.
10323 2006-06-21 Jakub Jelinek <jakub@redhat.com>
10325 * varasm.c (mergeable_string_section): Check for embedded NULs and
10326 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
10327 rather than TREE_STRING_LENGTH bytes.
10329 2006-06-21 Richard Guenther <rguenther@suse.de>
10331 * ggc-page.c (extra_order_size_table): Add var_ann_d,
10332 tree_ssa_name, bitmap_element and phi_node with 4 arguments
10335 2006-06-21 Richrad Guenther <rguenther@suse.de>
10337 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
10338 Limit iteration over the dominators.
10340 2006-06-20 Roger Sayle <roger@eyesopen.com>
10342 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
10343 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
10345 2006-06-20 Richard Guenther <rguenther@suse.de>
10346 Michael Matz <matz@suse.de>
10348 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
10350 * alloc-pool.c (free_alloc_pool_if_empty): New function.
10351 * et-forest.h (et_free_pools): Prototype new function.
10352 * et-forest.c (et_free_tree_force): Free parent occurrence.
10353 (et_free_pools): New function.
10354 * dominance.c (free_dominance_info): Free et-forest alloc
10357 2006-06-20 Roger Sayle <roger@eyesopen.com>
10359 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
10360 integer modes, attempt to directly construct an integer constant.
10362 * fold-const.c (native_encode_vector): Determine the size of each
10363 element from the vector type instead of the first vector element.
10365 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
10366 if all of its elements/components are constant.
10367 (build_constructor_from_list): Likewise.
10369 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
10371 PR tree-optimization/27331
10372 * tree-data-ref.c (free_data_ref): New function.
10373 (create_data_ref): Fail if the data reference has unknown access
10375 (free_data_refs): Use free_data_ref.
10377 2006-06-19 Andrew Pinski <pinskia@gmail.com>
10379 PR middle-end/28075
10380 * tree-inline.c (setup_one_parameter): Strip useless
10381 type conversion before adding it to the IR.
10382 (declare_return_variable): Likewise.
10384 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
10387 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
10389 2006-06-19 Mike Stump <mrs@apple.com>
10391 * tree.c (variably_modified_type_p): VM arguments don't make the
10394 2006-06-19 Richard Guenther <rguenther@suse.de>
10396 * tree-ssa-pre.c (try_combine_conversion): Strip useless
10397 type conversions after folding.
10399 2006-06-19 Richard Guenther <rguenther@suse.de>
10401 * ggc-page.c (extra_order_size_tab): Add entries with
10402 size of struct function and basic_block.
10403 (size_lookup): Extend to cover sizes up to 511.
10404 (ggc_alloc_stat): Adjust user.
10405 (ggc_pch_count_object): Likewise.
10406 (ggc_pch_alloc_object): Likewise.
10407 (ggc_pch_write_object): Likewise.
10409 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
10411 * tree-ssa-loop-niter.c (implies_ge_p): New function.
10412 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
10415 2006-06-19 Denis Chertykov <denisc@overta.ru>
10417 * config/avr/libgcc.S : Correct my wrong previous commit.
10419 2006-06-19 Roger Sayle <roger@eyesopen.com>
10422 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
10423 have stripped a SUBREG from the shift count, so we may need to
10424 convert_to_mode back to the type's mode before calling make_tree.
10425 Use new_amount instead of amount to avoid expanding a tree twice.
10427 2006-06-19 Richard Guenther <rguenther@suse.de>
10429 PR middle-end/28045
10430 * fold-const.c (operand_equal_p): Check if the argument types
10431 have the same precision before stripping NOPs.
10433 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
10435 Fix PR tree-optimization/27341
10436 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
10438 * tree-complex.c (pass_lower_complex): Update SMT usage.
10440 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
10442 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
10443 Add a new alternative to the constraint strings. Add move of
10444 operand 1 to 3 to the splitter definition.
10445 ("doloop_si_long"): Second contraint alternative removed.
10447 2006-06-08 Anatoly Sokolov <aesok@post.ru>
10449 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
10450 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
10452 (AVR_HAVE_MOVW) Define.
10453 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
10454 (ASM_SPEC): Add avr25.
10455 (LINK_SPEC): Add avr25.
10456 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
10457 (base_arch_s): Add new member 'have_movw_lpmx'.
10458 (avr_arch_types): Init 'have_movw_lpmx'.
10459 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
10460 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
10461 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
10462 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
10463 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
10465 (avr_file_start): Do not output '.arh' derective.
10466 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
10467 (__do_copy_data): Use __AVR_HAVE_LPMX__.
10468 * config/avr/avr.md (mcu_enhanced): Delete.
10469 (mcu_have_movw): Define.
10470 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
10471 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
10472 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
10473 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
10474 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
10475 attiny861 and at86rf401 devices.
10477 2006-06-18 Jie Zhang <jie.zhang@analog.com>
10479 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
10482 2006-06-17 Karl Berry <karl@gnu.org>
10484 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
10485 doc/gccint.texi, doc/install.texi (@dircategory): Use
10486 "Software development" instead of "Programming", following
10487 the Free Software Directory.
10489 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
10491 * config/i386/i386.c (legitimate_tls_address)
10492 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
10493 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
10494 (*tls_dynamic_gnu2_combine_64): Likewise.
10496 2006-06-16 Richard Guenther <rguenther@suse.de>
10498 PR middle-end/27116
10499 * fold-const.c (negate_expr_p): Do not introduce undefined
10500 overflow in negating INTEGER_CSTs.
10501 (fold_negate_expr): Rename from negate_expr. Revert last
10502 change for folding BIT_NOT_EXPR. Change semantics to
10503 return NULL_TREE for non-simplified negations. Do not
10504 strip type conversions and unify type handling.
10505 (negate_expr): New function, wrap around fold_negate_expr
10506 but ensure building a tree always. Strip type conversions
10507 here, fold to result type.
10508 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
10510 2006-06-16 Roger Sayle <roger@eyesopen.com>
10512 PR middle-end/27802
10513 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
10514 that (would) return their results in stack registers.
10516 2006-06-16 Michael Matz <matz@suse.de>
10517 Richard Guenther <rguenther@suse.de>
10519 * fold-const.c (fold_truthop): Only return new tree node if
10520 we canonicalized something.
10522 2006-06-16 Richard Guenther <rguenther@suse.de>
10524 * function.h (enum function_frequency): Move declaration
10525 out of struct function.
10526 (struct function): Move bool fields and the enum to the bitfield
10527 section. Reorder elements to avoid padding. Remove unused
10528 fields left over from the RTL inliner removal.
10529 * function.c (free_after_compilation): Do not zero removed fields.
10530 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
10531 (ipa-type-escape.o): Likewise.
10533 2006-06-16 Richard Guenther <rguenther@suse.de>
10535 * cgraph.h (struct cgraph_local_info): Turn bool elements
10537 (struct cgraph_node): Likewise.
10538 (struct cgraph_varpool_node): Likewise.
10540 2006-06-15 Richard Guenther <rguenther@suse.de>
10542 * fold-const.c (fold_truth_not_expr): Rename from
10543 invert_truthvalue. Give it fold_* semantics to avoid
10544 generating garbage.
10545 (invert_truthvalue): New function. Wrapper around
10546 fold_truth_not_expr.
10547 (optimize_minmax_comparison): Avoid creating garbage.
10548 (fold_unary): Use fold_truth_not_expr for folding
10550 (fold_ternary): Replace uses of invert_truthvalue with
10551 fold_truth_not_expr where applicable.
10552 * tree.h (fold_truth_not_expr): Prototype.
10554 2006-06-16 Richard Guenther <rguenther@suse.de>
10556 PR tree-optimization/27781
10557 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
10558 * ipa-pure-const.c (target.h): Include.
10559 (analyze_function): Do not analyze functions that do not
10562 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
10564 PR middle-end/27793
10565 * tree-dfa.c (referenced_vars_dup_list): Remove.
10566 (find_referenced_vars): Remove assert.
10567 (referenced_var_check_and_insert): Replace dup list with assert.
10568 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
10569 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
10571 2006-06-15 Richard Guenther <rguenther@suse.de>
10573 * tree-ssa-structalias.c (alias_get_name): Avoid creating
10574 extra unused identifiers if not dumping.
10575 (create_variable_info_for): Likewise.
10577 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
10579 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
10580 (derive_constant_upper_bound): Derive more precise upper bound in
10581 common cases. Return type changed to double_int.
10582 (record_estimate): Reflect the changed return type of
10583 derive_constant_upper_bound.
10584 * double-int.c (double_int_zext, double_int_sext): Fix.
10586 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
10588 * configure.ac (CFLAGS): Get them from the toplevel or from the
10589 configure invocation.
10590 * configure: Regenerate.
10591 * Makefile.in (CFLAGS): Substitute value provided by configure.
10593 2006-06-14 Mark Mitchell <mark@codesourcery.com>
10596 * c-common.h (c_finish_omp_atomic): Adjust declaration.
10597 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
10598 rather than calling add_stmt on it.
10599 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
10601 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
10603 PR middle-end/27959
10604 * reload1.c (reload): Remove registers returned by update_eliminables
10605 from used_spill_regs.
10607 2006-06-13 DJ Delorie <dj@redhat.com>
10609 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
10611 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
10613 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
10614 html__strip_dir, html__mkdir_p. Enhance install-html target.
10615 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
10616 * configure: Regenerate.
10618 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
10620 * fold-const.c (fold_cond_expr_with_comparison): Check for
10621 Objective-C++ as language in deciding COND_EXPR transformation.
10623 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
10626 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
10627 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
10628 * config/sh/lib1funcs.h (SL, SL1): Define.
10629 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
10630 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
10631 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
10632 (OBJS_Os_4_200): New variable.
10633 ($(T)libgcc-Os-4-200.a): Use it.
10634 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
10635 when dividing 1 and/or by 0.
10637 2006-06-13 Roger Sayle <roger@eyesopen.com>
10639 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
10640 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
10641 * configure: Regenerate.
10643 2006-06-13 Jie Zhang <jie.zhang@analog.com>
10645 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
10646 for real instruction.
10648 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10650 PR middle-end/26807
10651 * haifa-sched.c (check_cfg): Handle special case.
10653 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
10656 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
10657 Add debug_info parameter. Chain the vars to the BLOCK instead
10658 of the BIND_EXPR if debug info are requested for them.
10659 (pop_gimplify_context): Adjust for above change.
10660 (gimple_add_tmp_var): Likewise.
10661 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
10662 Add bool parameter.
10663 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
10664 (convert_local_reference): Likewise.
10665 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
10666 (finalize_nesting_tree_1): Request that debug info be emitted
10667 for debug_var_chain.
10669 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10671 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
10672 for PR target/27863.
10674 2006-06-13 Richard Guenther <rguenther@suse.de>
10676 PR middle-end/27536
10677 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
10679 2006-06-13 Richard Guenther <rguenther@suse.de>
10681 PR tree-optimization/27830
10682 * tree-inline.c (copy_body_r): For copying the operand
10683 of an ADDR_EXPR make sure to fold &* afterwards.
10685 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
10687 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
10688 lvalues in the fb_none case with side-effects.
10690 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
10692 * tree-flow.h: Remove the prototype for
10693 compute_phi_arg_on_exit.
10694 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
10695 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
10698 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
10700 * builtins.c (expand_builtin_return_addr): Only use
10701 frame_pointer_rtx when count == 0 and we are expanding
10702 __builtin_return_address.
10704 2006-06-12 Fred Fish <fnf@specifix.com>
10706 * config/mips/mips.c (mips_file_start): Create special section
10707 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
10709 2006-06-11 Eric Christopher <echristo@apple.com>
10711 PR middle-end/27948
10712 * stor-layout.c (place_field): Remove check for
10713 remaining_in_alignment when aligning at the end of a run.
10715 2006-06-11 Eric Christopher <echristo@apple.com>
10718 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
10721 2006-06-11 Roger Sayle <roger@eyesopen.com>
10724 Revert incorrect fix for PR target/27158
10725 2006-05-08 Roger Sayle <roger@eyesopen.com>
10726 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
10727 of a reg_equiv_constant if the result is a legitimate constant.
10729 2006-06-11 Roger Sayle <roger@eyesopen.com>
10732 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
10733 extract a CONST_VECTOR element and interpret it as an integer.
10734 (vspltis_constant): Use const_vector_elt_as_int instead of the
10735 macro CONST_VECTOR_ELT in order to handle FP vector modes.
10736 * config/rs6000/predicates.md (easy_vector_const): Consider
10737 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
10739 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
10741 PR middle-end/27942
10742 * stor-layout.c (update_alignment_for_field): Don't add extra
10743 alignment for packed non-bitfield fields in ms_bitfield_layout_p
10746 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
10748 * config/mips/t-rtems: Add EL/EB multilib variants.
10750 2006-06-09 Mike Stump <mrs@apple.com>
10752 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
10754 2006-06-09 David Daney <ddaney@avtrex.com>
10756 * doc/install.texi: Add binutils version recommendation for mips-*-*.
10758 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
10760 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
10762 2006-06-09 Richard Guenther <rguenther@suse.de>
10764 PR tree-optimization/26998
10765 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
10766 of signed types, only TYPE_MIN_VALUE is special, but for both,
10767 minimum and maximum value. Likewise VR_ANTI_RANGE is special
10768 in this case, as is -fwrapv.
10770 2006-06-08 Mike Stump <mrs@apple.com>
10773 * config/darwin.c (darwin_asm_output_anchor): Disable
10774 -fsection-anchors on darwin for now.
10775 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
10776 * rs6000/rs6000.c (optimization_options): Likewise.
10778 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10781 * config/i386/i386.c (classify_argument): Skip fields with invalid
10784 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
10786 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
10787 (cse_insn): Likewise for the stack_pointer_rtx.
10789 2006-06-08 Roger Sayle <roger@eyesopen.com>
10791 * tree-ssa-dom.c (record_conditions): Only record "unordered"
10792 conditions from floating point comparisons.
10794 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
10796 PR middle-end/27733
10797 * expmed.c (struct alg_hash_entry): Fix type of field T
10798 to match synth_mult argument.
10799 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
10801 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10804 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
10807 2006-06-08 Richard Guenther <rguenther@suse.de>
10809 PR middle-end/27116
10810 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
10811 only, if overflow is defined and not trapping.
10812 (negate_expr): Likewise.
10814 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
10816 PR tree-optimization/27872
10817 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
10818 flag on the new exit edge of the unrolled loop.
10820 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
10822 PR rtl-optimization/26449
10823 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
10825 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
10827 PR middle-end/27793
10828 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
10829 referenced_variables with matching DECL_UID's.
10830 (find_referenced_vars): Make sure duplicate list is empty to start.
10831 (referenced_var_p): Remove.
10832 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
10833 Check if var is in the list, and add if needed. Update the duplicate
10834 list if a different var is in the list with the same DECL_UID.
10835 (add_referenced_var): Call routine to check and insert.
10836 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
10837 * tree-flow.h (referenced_vars_dup_list): External declaration.
10839 2006-06-07 Fred Fish <fnf@specifix.com>
10841 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
10844 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
10847 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
10848 the imaginary and real parts of a clobbered register.
10849 Emit insn to set the imaginary part.
10851 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
10853 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
10854 in lieu of unwind-dw2-fde.c.
10856 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
10858 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
10860 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
10863 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
10864 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
10865 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
10866 V4SImode temporaries and operations instead.
10868 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
10870 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
10873 2006-06-06 Mike Stump <mrs@apple.com>
10875 * Makefile.in: Rename to htmldir to build_htmldir to avoid
10876 installing during build.
10878 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10880 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
10882 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10883 * config/ia64/ia64.c (params.h): New header.
10884 (ia64_optimization_options): New function to adjust parameters.
10885 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
10886 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
10887 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
10889 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
10891 * stor-layout.c (debug_rli): Fix a typo in a debug message.
10893 2006-06-05 Steve Ellcey <sje@cup.hp.com>
10896 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
10898 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
10899 Victor Kaplansky <victork@il.ibm.com>
10901 PR tree-optimization/26360
10902 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
10905 2006-06-04 Roger Sayle <roger@eyesopen.com>
10906 Andrew Pinski <pinskia@physics.uc.edu>
10908 PR middle-end/27382
10909 * c-common.c (c_common_truthvalue_conversion): Explicitly check
10910 for LABEL_DECL before calling DECL_WEAK.
10913 * c-typeck.c (build_binary_op): Likewise, explicitly check for
10914 LABEL_DECL and PARM_DECL.
10916 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
10920 * c-decl.c (grokdeclarator): Disallow variably modified types at
10921 file scope. Avoid marking shared array type of constant size as
10924 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10927 * c-common.c (fold_offsetof_1): Handle static members.
10929 2006-06-04 Eric Christopher <echristo@apple.com>
10931 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
10932 (debug_rli): Output value for remaining_in_alignment.
10933 (update_alignment_for_field): Unconditionalize
10934 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
10935 extra alignment code.
10936 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
10937 ms_bitfield_layout_p code. Rewrite handling of structure fields.
10938 * tree.h (record_layout_info_s): Remove prev_packed.
10939 * doc/extend.texi (ms_struct): Add documentation of format.
10941 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
10943 * tree.h: Declare folding_initializer.
10944 * builtins.c (fold_builtin_constant_p): Give definite answer
10945 if folding inside an initializer.
10946 * fold-const.c: Define folding_initializer.
10947 (START_FOLD_INIT): Save and then set folding_initializer.
10948 (END_FOLD_INIT): Restore folding_initializer.
10950 2006-06-04 Richard Guenther <rguenther@suse.de>
10952 PR tree-optimization/27039
10953 * fold-const.c (fold_comparison): Handle pointer comparison
10954 again for all comparison codes. Compare offsets in signed
10956 (fold_binary): Move code from here.
10958 2006-06-03 Roger Sayle <roger@eyesopen.com>
10961 * config/i386/i386.c (construct_container): Split static issued_error
10962 flag into issued_sse_arg_error, issued_sse_ret_error and
10963 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
10964 requires the use of x87 registers and the user explicitly
10965 specified the -mno-80387 command line option.
10967 2006-06-02 Geoffrey Keating <geoffk@apple.com>
10969 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
10970 HAVE_DECL_SIGALTSTACK.
10972 (segv_handler): Use MC_FLD.
10973 * configure.ac: Check for a sigaltstack declaration.
10974 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
10975 * configure: Regenerate.
10976 * config.in: Regenerate.
10978 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
10981 * Makefile.in (stmp-fixinc): Fix typo.
10983 2006-06-02 Roger Sayle <roger@eyesopen.com>
10985 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
10986 are type correct. Clean-up.
10987 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
10988 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
10990 2006-06-01 DJ Delorie <dj@redhat.com>
10992 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
10993 shift, as we've disabled the "switch" insn that needs it.
10995 2006-06-01 Per Bothner <bothner@bothner.com>
10997 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
10998 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
10999 * c-ppoutput.c (cb_define): Don't increment line 0.
11001 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
11003 * doc/invoke.texi: Add cpu_type power6.
11004 * config.gcc: Add cpu_type power6.
11005 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
11006 to power5+ with Altivec.
11007 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
11008 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
11010 2006-05-30 Anatoly Sokolov <aesok@post.ru>
11012 * config/avr/avr.h (SET_ASM_OP): Define.
11014 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
11016 * config/bfin/bfin.c: Fix comment typos.
11018 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
11021 * doc/install.texi: Document --enable-bootstrap and
11022 --disable-bootstrap.
11024 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
11026 * doc/install.texi: Document that InfoZIP can replace jar.
11028 2006-05-31 Roger Sayle <roger@eyesopen.com>
11030 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
11031 isn't available, directly generate the simpler x87 patterns without
11032 the (use (const_int 0)).
11033 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
11034 implementation isn't available.
11035 (*negdf2_1): Likewise.
11036 (*negxf2_1): XF mode negation is always done using the x87.
11037 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
11039 2006-05-31 Roger Sayle <roger@eyesopen.com>
11041 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
11042 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
11044 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
11046 2006-05-31 Jie Zhang <jie.zhang@analog.com>
11048 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
11049 * config/bfin/bfin.c (basic-block.h): Include.
11050 (struct machine_function): New.
11051 (bfin_init_machine_status): New.
11052 (override_options): Initialize init_machine_status.
11053 (bfin_hardware_loop): New.
11054 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
11055 (DEF_VEC_P (loop_info)): New.
11056 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
11057 (struct loop_info): New.
11058 (loop_info): New typedef.
11059 (struct loop_work): New.
11060 (loop_work): New typedef.
11061 (DEF_VEC_O (loop_work)): New.
11062 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
11063 (bfin_dump_loops): New.
11064 (bfin_bb_in_loop): New.
11065 (bfin_scan_loop): New.
11066 (bfin_optimize_loop): New.
11067 (bfin_reorg_loops): New.
11068 (bfin_reorg): Use bfin_reorg_loops.
11069 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
11071 (I_REGNO_P): Simplify.
11072 (DP_REGNO_P, DPREG_P): New macros.
11073 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
11074 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
11075 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
11076 Add LT_REGS, LC_REGS, LB_REGS.
11077 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
11079 (REGNO_REG_CLASS): Deal with loop registers.
11080 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
11082 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
11083 New constants for loop registers.
11084 (UNSPEC_LSETUP_END): New.
11085 (seq_insns): New define_attr. Set it for appropriate insns.
11086 (movsi_insn): Add alternatives for move from/to
11087 loop count registers.
11088 (doloop_end): New define_expand.
11089 (loop_end): New define_insn.
11090 (define_split for bad doloop_end): New.
11091 (lsetup_with_autoinit): New define_insn.
11092 (lsetup_without_autoinit): New define_insn.
11093 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
11094 * config/bfin/predicates.md (lc_register_operand): New.
11095 (lt_register_operand): New.
11096 (lb_register_operand): New.
11097 (nondp_register_operand): New.
11098 (nondp_reg_or_memory_operand): New.
11099 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
11101 2006-05-31 Jie Zhang <jie.zhang@analog.com>
11103 * config/bfin/bfin.c (bfin_delegitimize_address): New.
11104 (TARGET_DELEGITIMIZE_ADDRESS): Define.
11106 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
11108 * Makefile.in (CATALOGS): Add po/ prefix.
11109 * configure: Regenerated.
11111 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
11114 * arm.c (arm_print_operand case 'S'): Validate that the operand is
11115 a shift operand before calling shift_op. Avoid redundant call of
11118 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
11119 DJ Delorie <dj@redhat.com>
11121 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
11122 we're inserting is a singlt-bit constant.
11124 2006-05-30 Roger Sayle <roger@eyesopen.com>
11126 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
11127 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
11129 2006-05-30 Roger Sayle <roger@eyesopen.com>
11131 PR tree-optimization/23452
11132 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
11133 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
11134 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
11135 complex values and with -ffast-math for FP complex values.
11137 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
11139 * c-common.h: Remove the prototype for yyparse.
11140 * rtl.h: Remove the prototype for init_loop.
11142 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
11144 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
11147 2006-05-30 Roger Sayle <roger@eyesopen.com>
11149 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
11151 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
11152 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
11154 2006-05-30 Dirk Mueller <dmueller@suse.de>
11157 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
11158 for CONSTANT_CLASS_P expresisons.
11160 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11163 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
11165 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
11167 PR tree-optimization/27779
11168 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
11169 initial_condition instead of CHREC_LEFT.
11171 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
11173 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
11174 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
11175 Make prototypes ISO C90.
11177 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
11178 Leehod Baruch <leehod.baruch@weizmann.ac.il>
11180 * see.c (see_analyze_one_def): Correct check.
11181 (see_get_extension_data): Check if extension is parallel.
11182 (see_get_extension_reg): Likewise.
11184 2006-05-30 Uros Bizjak <uros@kss-loka.si>
11187 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
11188 into register for (code == GTU).
11190 2006-05-29 Roger Sayle <roger@eyesopen.com>
11192 PR tree-optimization/24964
11193 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
11194 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
11195 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
11196 abs(x)*abs(x) as x*x for scalar floating point modes.
11198 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
11200 PR middle-end/27745
11201 * lambda-code.c (perfect_nestify): Don't copy statements
11202 in the inner loop: move them to the inner loop header.
11204 2006-05-29 Diego Novillo <dnovillo@redhat.com>
11207 * c-tree.texi: Document OpenMP directives and clauses.
11209 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
11211 * varasm.c (globalize_decl): Fix indentation.
11213 2006-05-29 Diego Novillo <dnovillo@redhat.com>
11216 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
11217 pass_fre, pass_store_ccp, pass_copy_prop,
11218 pass_store_copy_prop, pass_merge_phi, pass_nrv,
11219 pass_return_slot, pass_object_size, pass_lim,
11220 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
11221 pass_loop_prefetch and pass_stdarg.
11223 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
11225 * config/bfin/bfin.opt (mfdpic): New option.
11226 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
11227 (EXTRA_MULTILIB_PARTS): Likewise.
11228 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
11229 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
11231 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
11232 (CRT_CALL_STATIC_FUNCTION): New.
11233 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
11235 (CRT_CALL_STATIC_FUNCTION): New.
11236 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
11238 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
11239 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
11240 (initialize_trampoline): Changed to handle FD-PIC code generation.
11241 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
11242 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
11243 (override_options): Disallow -mid-shared-library -mfdpic combination.
11244 Can't do unaligned ops if FD-PIC.
11245 Turn off flag_pic if trying to generate non-id-shared-library
11246 non-fdpic code, since it's not supported.
11247 (bfin_assemble_integer): New function.
11248 (TARGET_ASM_INTEGER): Define.
11249 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
11251 * config/bfin/crtn.s: Restore them.
11252 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
11254 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
11255 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
11256 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
11257 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
11258 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
11260 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
11261 FDPIC_REGS and FDPIC_FPTR_REGS.
11262 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
11263 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
11264 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
11265 (load_funcdescsi): New pattern.
11266 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
11267 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
11268 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
11270 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
11272 * gcse.c, rtlanal.c: Remove obsolete comments associated with
11275 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
11277 * tree-flow.h: Remove the prototype for add_type_alias.
11278 * tree-ssa-alias.c (add_type_alias): Remove.
11280 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
11282 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
11283 config/fr30/fr30.md, config/i386/i386-interix.h,
11284 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
11285 config/sh/superh64.h, config/v850/v850.c, df-core.c,
11286 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
11287 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
11288 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
11289 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
11290 Follow spelling conventions.
11291 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
11292 Follow spelling conventions.
11294 2006-05-27 Richard Guenther <rguenther@suse.de>
11296 PR middle-end/27773
11297 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
11298 to produce a constant of value 1 of generic type.
11300 2006-05-27 Dirk Mueller <dmueller@suse.de>
11302 * cgraphunit.c (decide_is_function_needed): Fix wrong
11305 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
11307 PR rtl-optimization/27661
11308 * reload.c (find_reloads): When reloading a VOIDmode constant
11309 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
11310 use Pmode as mode of the reload register.
11312 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
11314 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
11315 is enabled at -O and above.
11317 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
11320 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
11323 2006-05-25 Mark Mitchell <mark@codesourcery.com>
11326 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
11327 for anonymous variables explicitly declared by front ends.
11329 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
11331 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
11332 (struct alias_info): Add new field ref_all_symbol_mem_tag.
11333 * tree-ssa-alias.c (compute_may_aliases): If the program contains
11334 ref-all pointers, run a finalization pass for them.
11335 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
11336 (finalize_ref_all_pointers): New function.
11337 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
11338 regular pointer type to a ref-all pointer type.
11339 (get_tmt_for): Return the special memory tag for ref-all pointers.
11341 2006-05-25 Richard Guenther <rguenther@suse.de>
11343 PR middle-end/27743
11344 * fold-const.c (fold_binary): Do not look at the stripped
11345 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
11347 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
11349 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
11350 for LT and GT if the computed range is effectively empty.
11352 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11355 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
11356 mips_quad_format formats instead of ieee_single_format,
11357 ieee_double_format and ieee_quad_format formats, respectively.
11359 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
11361 PR tree-optimization/27639
11362 PR tree-optimization/26719
11363 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
11364 call to scev_probably_wraps_p.
11365 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
11366 used_in_pointer_arithmetic_p, convert_step): Removed.
11367 (nowrap_type_p): New function.
11368 (scev_probably_wraps_p): Rewritten.
11369 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
11370 chrec_convert if chrec_convert_aggressive might have been used.
11371 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
11372 scev_direction): New functions.
11373 (chrec_convert): Changed to a wrapper over chrec_convert_1.
11374 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
11375 instead of convert_step.
11376 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
11377 (convert_step): Declaration removed.
11378 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
11380 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
11382 * df-core.c: Added to header comments.
11383 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
11384 df_ur_bb_info, df_urec_bb_info): Added comments.
11385 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
11386 urec, ri problems): Fixed header comments.
11387 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
11388 code from df_rd_transfer_function.
11390 2006-05-23 Richard Sandiford <richard@codesourcery.com>
11392 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
11393 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
11394 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
11396 2006-05-23 Joseph Myers <joseph@codesourcery.com>
11398 * expr.c (undefined_operand_subword_p): New.
11399 (emit_move_multi_word): Do not generate move from undefined bits
11400 of a paradoxical subreg.
11402 2006-05-23 Richard Sandiford <richard@codesourcery.com>
11404 PR rtl-optimization/27736
11405 * combine.c (replaced_rhs_value): New variable.
11406 (combine_instructions): Set it.
11407 (distribute_notes): When distributing a note in replaced_rhs_insn,
11408 check whether the value was used in replaced_rhs_value.
11410 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
11413 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
11414 add_referenced_var instead of add_referenced_tmp_var.
11415 * tree-complex.c (create_one_component_var): Use add_referenced_var.
11416 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
11417 add_referenced_var.
11418 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
11419 tree_optimize_tail_calls_1): Use add_referenced_var.
11420 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
11421 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
11422 Use add_referenced_var.
11423 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
11424 * gimplify.c (force_gimple_operand): Use add_referenced_var.
11425 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
11426 Use add_referenced_var.
11427 * tree-dfa.c (struct walk_state): Remove.
11428 (find_referenced_vars): Remove walk state and vars_found hash table.
11429 (make_rename_temp): Use add_referenced_var.
11430 (find_vars_r): Pass less parameters to add_referenced_var.
11431 (referenced_var_p): New. Is var in referenced_var hash table.
11432 (referenced_var_insert): Assert var isn't already in hash table.
11433 (add_referenced_var): Don't need walk_state parameter. Add var if it
11434 isn't already in the hash table.
11435 (add_referenced_tmp_var): Remove.
11436 (find_new_referenced_vars_1): Use add_referenced_var.
11437 * tree-ssa-pre.c (create_expression_by_pieces,
11438 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
11439 Use add_referenced_var.
11440 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
11441 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
11442 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
11443 add_referenced_var.
11444 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11445 vect_create_data_ref_ptr, vect_create_destination_var,
11446 vect_init_vector, vect_build_loop_niters,
11447 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
11448 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
11449 Use add_referenced_var.
11450 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
11451 * tree-flow.h (add_referenced_tmp_var): Remove prototype
11452 (add_referenced_var): Add prototype.
11453 * tree-ssa-structalias.c (get_constraint_for,
11454 intra_create_variable_infos): Use add_referenced_var.
11456 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
11458 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
11459 big-endian paradoxical subregs.
11460 * var-tracking.c (struct micro_operation_def): Document that,
11461 for modify micro operations, insn is the subsequent instruction.
11462 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
11463 (var_reg_set, var_mem_set): ... new functions.
11464 (add_stores): Record subsequent insn.
11465 (compute_bb_dataflow): Use new functions for MO_USE.
11466 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
11467 notes after the insn, and modify notes before the insn known
11468 to be the subsequent one.
11469 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
11471 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
11474 * config/i386/i386.c (ix86_expand_builtin): Use
11475 gen_sse3_monitor64 for TARGET_64BIT.
11477 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
11479 PR rtl-optimization/26375
11480 PR rtl-optimization/26855
11481 * df-problems (df_ru_bb_local_compute_process_def): Removed update
11483 (df_ru_bb_local_compute): Reversed statements and removed bogus
11484 comment explaining why they should be in wrong order.
11485 (df_ru_dump, df_rd_dump): Enhanced debug info.
11486 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
11488 * ddg.c (add_deps_for_def): Converted use of reaching defs to
11489 reaching uses and fixed space problem.
11491 2006-05-23 Jan Hubicka <jh@suse.cz>
11493 * cgraphunit.c (decide_is_function_needed): Also nested functions
11494 and functions declared inline can be optimized out at -O0.
11496 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
11498 * doc/install.texi (Configuration): Remove reference to CrossGCC
11499 FAQ which was gone.
11502 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
11505 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
11506 ix86_compare_emitted is non-NULL.
11508 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11511 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
11514 2006-05-22 Richard Sandiford <richard@codesourcery.com>
11516 PR rtl-optimization/25514
11517 * combine.c (replaced_rhs_insn): New variable.
11518 (combine_instructions): Set replaced_rhs_insn when trying to replace
11519 a SET_SRC with a REG_EQUAL note.
11520 (distribute_notes): Use replaced_rhs_insn when determining the live
11521 range of a REG_DEAD register.
11523 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
11524 Anatoly Sokolov <aesok@post.ru>
11526 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
11527 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
11528 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
11529 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
11530 atmega3290, atmega649, atmega6490, atmega406, atmega640,
11531 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
11532 at90usb647, at90usb1286 and at90usb1287 devices.
11533 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
11534 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
11536 2006-05-22 Richard Sandiford <richard@codesourcery.com>
11538 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
11540 2006-05-22 Richard Guenther <rguenther@suse.de>
11543 2006-01-31 Richard Guenther <rguenther@suse.de>
11544 Paolo Bonzini <bonzini@gnu.org>
11546 * doc/install.texi (--disable-libgcc-math): Document.
11548 2006-05-22 Richard Guenther <rguenther@suse.de>
11551 2006-01-31 Richard Guenther <rguenther@suse.de>
11553 * doc/invoke.texi (-msselibm): Document.
11554 * target.h (expand_library_builtin): New target hook.
11555 * builtins.c (expand_builtin): Use expand_library_builtin.
11556 (default_expand_library_builtin): New function.
11557 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11558 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11559 (link_gcc_math_spec): Declare.
11560 (static_specs): Add link_gcc_math_spec.
11561 * expr.h (default_expand_library_builtin): Declare.
11562 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11563 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11564 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11565 * config/i386/i386.opt (msselibm): New target option.
11566 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11567 (ix86_init_sse_abi_builtins): New function.
11568 (ix86_expand_library_builtin): Likewise.
11569 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11570 (override_options): Handle error conditions wrt -msselibm.
11571 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11572 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11573 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11576 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11579 * c-common.c (self_promoting_args_p): Skip erroneous args.
11582 * c-decl.c (finish_struct): Skip erroneous fields.
11584 2006-05-22 Nick Clifton <nickc@redhat.com>
11586 * config/cris/cris.opt (march): Remove VarExists attribute.
11587 (max-stackframe=): Likewise.
11589 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
11591 * doc/rtl.texi: Fix a typo.
11592 * see.c: Fix comment typos.
11594 * tree-ssa-structalias.h (alias_info): Remove num_references.
11596 2006-05-21 Mike Stump <mrs@apple.com>
11598 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
11600 (darwin_pragma_options): Use BAD instead.
11601 (darwin_pragma_unused): Likewise.
11602 (darwin_pragma_ms_struct): Likewise.
11604 2006-05-21 David Edelsohn <edelsohn@gnu.org>
11606 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
11608 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
11610 PR rtl-optimization/27671
11611 * simplify-rtx.c (simplify_relational_operation_1): Fix
11612 simplifications of (eq/ne (xor x y) y) and
11613 (eq/ne (xor x y) x).
11615 PR tree-optimization/26622.
11616 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
11619 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
11621 * tree-cfg.c: Prune whitespace.
11622 (debug_tree_cfg): Point to correct header containing the
11625 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
11627 PR middle-end/25776
11628 * cgraphunit.c (verify_cgraph_node): Typo in error message.
11630 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
11632 PR middle-end/25776
11633 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
11634 or sorry count is non zero.
11636 2006-05-20 Andreas Schwab <schwab@suse.de>
11638 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
11640 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
11641 Kenneth Zadeck <zadeck@naturalbridge.com>
11643 PR rtl-optimization/26855
11645 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
11647 (df_scan_alloc): Added code to properly handle multiword hard
11648 registers and add all_blocks parameter.
11649 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
11650 code to properly handle multiword hard registers.
11651 (df_rescan_blocks): Added code to remove deleted blocks from
11653 (df_ref_create_structure, df_ref_record): Added code to properly
11655 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
11656 and set DF_REF_PARTIAL.
11657 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
11658 (df_uses_record): Added DF_REF_PARTIAL for subreg.
11659 (df_scan_add_problem): Added flags parameter.
11660 (df_ref_create_structure): Changed switching structure.
11661 (df_bb_refs_record): Fixed case where duplicate artificial refs
11662 were created. Changed location of flags.
11663 (df_record_entry_block_defs): Added code to make stack pointer
11664 live in entry block. Refined cases where frame pointer is needed.
11665 Changed location of flags.
11666 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
11667 (df_set_state): Removed function.
11668 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
11669 df_insn_create_insn_record, df_insn_refs_delete,
11670 df_ref_create_structure): Formatting changes.
11671 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
11672 df_delete_basic_block): New function.
11673 (df_init): Changed location of flags.
11674 (df_add_problem): Added flags parameter and the way flags are
11676 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
11677 debug_df_chain): Improved debugging output.
11678 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
11679 (df_refs_chain_dump): Removed df parameter.
11680 (df_iterative_dataflow): Added consistency check.
11681 (df_prune_to_subcfg): Made public.
11682 (df_analyze_problem): Added blocks_to_init parameter and made
11684 (df_ref_record, df_bb_refs_record, df_mark_reg,
11685 df_record_exit_block_uses): Whitespace changes.
11686 (df_dump): Whitespace changes.
11687 * df.h: Some reordering to remove forward references.
11688 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
11689 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
11690 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
11691 (dataflow.flags): New field.
11692 (df.flag): Deleted field.
11693 (df_alloc_function): Added additional bitmap parameter.
11694 (df_dependent_problem_function): New type.
11695 (df_problem.changeable_flags): New field.
11696 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
11697 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
11698 (df_mw_hardreg): New struct.
11699 (DF_INSN_UID_MWS): New macro.
11700 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
11702 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
11703 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
11704 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
11705 (df_set_state): Removed function.
11706 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
11707 * df-problems.c (df_chain_dump): Removed df parameter.
11708 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
11709 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
11711 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
11712 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
11713 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
11714 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
11715 DF_REF_MUST_CLOBBER cases.
11716 (df_ru_bb_local_compute_process_def,
11717 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
11718 df_lr_bb_local_compute, df_ur_bb_local_compute,
11719 df_chain_create_bb): Made subreg aware.
11720 (df_ru_bb_local_compute, df_rd_bb_local_compute,
11721 df_lr_bb_local_compute, df_lr_bb_local_compute,
11722 df_chain_create_bb): Cleanup to use proper macros.
11723 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
11724 code to fixup bitvectors.
11725 (df_ri_alloc): Cleared lifetime.
11726 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
11727 df_create_unused_note): New function.
11728 (df_ri_bb_compute, df_ri_compute): Added code to create/update
11729 REG_DEAD and REG_UNUSED notes as well as register information.
11730 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
11731 df_chains_dump): Fixed crash if problem was never run.
11732 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
11733 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
11734 df_ri_add_problem): Processes flags in uniform manner.
11735 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
11736 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
11737 df_rd_dump, df_urec_free_bb_info): Formatting changes.
11738 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
11739 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
11740 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
11741 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
11742 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
11743 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
11744 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
11745 * see.c (see_initialize_data): Ditto.
11746 * final.c (rest_of_clean_state) Added regstack_completed.
11747 * rtl.h (regstack_completed): Ditto.
11748 * reg-stack.c (regstack_completed): Ditto.
11750 2006-05-19 Mike Stump <mrs@apple.com>
11752 * c-tree.h (default_conversion): Remove.
11753 * c-common.h (default_conversion): Add.
11755 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
11757 * tree-vrp.c (valid_value_p): New function.
11758 (adjust_range_with_scev): Fail if the value of bound is not
11761 2006-05-19 Richard Sandiford <richard@codesourcery.com>
11763 * config/mips/linux-unwind.h: Include <asm/unistd.h>
11764 (mips_fallback_frame_state): Use syscall numbers to determine
11765 the appropriate li instruction for the current ABI. Only use
11766 __NR_sigreturn for o32.
11768 2006-05-19 Nicolas Setton <setton@adacore.com>
11770 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
11771 * langhooks.c (lhd_dwarf_name): New function.
11772 * langhooks-def.h (lhd_dwarf_name): Declare.
11773 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
11774 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
11776 2006-05-19 Richard Sandiford <richard@codesourcery.com>
11778 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
11780 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
11781 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
11782 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
11783 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
11784 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
11785 determine the size of Wtype, etc.
11786 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
11787 (swfloatfuncs): New variable.
11788 (dwfloatfuncs): Likewise.
11789 (lib2funcs): Remove floating-point conversion functions from
11790 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
11791 the set of conversion routines needed. Allow entries to specify
11792 an object name, filename and word size. Update users accordingly.
11793 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
11794 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
11798 2006-02-08 Roger Sayle <roger@eyesopen.com>
11801 * config/fixtfdi.c: New libgcc source file.
11802 * config/fixunstfdi.c: New source file.
11803 * config/floatditf.c: New source file.
11804 * config/floatunditf.c: New souce file.
11805 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
11806 files above instead of config/mips/_tilib.c.
11807 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
11809 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11811 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
11812 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
11814 2006-05-18 Mike Stump <mrs@apple.com>
11816 Fix up vla, vm and [*] sematics.
11822 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
11823 (c_vla_unspec_p): Add.
11824 (c_vla_type_p): Add.
11825 * c-decl.c (struct c_scope): Add had_vla_unspec.
11826 (build_array_declarator): Add support for [*].
11827 (grokdeclarator): Likewise.
11828 (grokparms): Likewise.
11829 (get_parm_info): Likewise.
11830 * c-objc-common.c (c_vla_unspec_p): Likewise.
11831 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
11832 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
11833 typeof when argument is a variably modified type not inside sizeof or alignof.
11834 (c_parser_direct_declarator_inner): Propagate errors.
11835 (c_parser_sizeof_expression): Add support for [*].
11836 (c_parser_parms_declarator): Initialize had_vla_unspec.
11837 (c_parser_parms_list_declarator): Likewise.
11838 * c-typeck.c (c_vla_type_p): Add.
11839 (composite_type): Add support for vla compositing.
11840 (comptypes_internal): Add support for vla compatibility.
11841 (c_expr_sizeof_expr): Evaluate vla arguments.
11842 * tree.c (variably_modified_type_p): Update comment for [*].
11844 2006-05-18 Michael Matz <matz@suse.de>
11847 * config.host: Make assignments to host_xmake_file cumulative.
11848 * config.host (*-darwin*): Test $host, not $target.
11850 2006-05-12 Stuart Hastings <stuart@apple.com>
11852 * config/i386/i386.opt (-mstackrealign): New flag.
11853 * config/i386/i386.c (force_align_arg_pointer): New attribute.
11854 (ix86_handle_cconv_attribute): Emit error when
11855 force_align_arg_pointer attribute collides with too many regparms.
11856 (ix86_function_regparm): Limit regparms when used with
11857 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
11858 Support stack-realigning prologue in non-main functions. Emit
11859 warning for nested functions under -mstackrealign, emit error for
11860 nested functions with force_align_arg_pointer attribute.
11861 * doc/extend.texi (force_align_arg_pointer): Document it.
11862 * doc/invoke.texi (-mstackrealign): Document it.
11864 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
11866 PR rtl-optimization/27477
11867 * combine.c (try_combine): Don't split a parallel consisting
11868 of two sets into two individual sets if both sets reference
11871 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
11873 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
11874 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
11876 * doc/options.texi (VarExists): Updated.
11878 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11880 * unwind-dw2.c: Add declarations for uw_update_context and
11881 uw_frame_state_for.
11882 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
11883 detected, advance frame state and context once to skip over stub.
11885 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
11887 PR middle-end/20256
11888 PR middle-end/26435
11889 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
11890 Call rewrite_into_loop_closed_ssa only when something changed.
11891 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
11892 * lambda-code.c (can_convert_to_perfect_nest): Declared.
11893 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
11894 Test for perfect_nest_p here. Fix formating.
11895 (replace_uses_equiv_to_x_with_y): Fix formating.
11896 (stmt_uses_op): Removed.
11897 (can_convert_to_perfect_nest): Removed loopivs parameter.
11898 Complete the test by checking the scalar dependences.
11899 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
11902 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
11905 From Dan Kegel <dank@kegel.com>:
11906 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
11908 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
11910 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
11911 if the element type is variably modified without recursing.
11913 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
11915 PR middle-end/27332
11916 * tree-loop-linear.c (try_interchange_loops): Test for
11917 no data dependences.
11919 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
11921 PR tree-optimization/27548
11922 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
11923 range of ssa names that appear on abnormal edges.
11924 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
11925 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
11927 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
11929 PR middle-end/27620
11930 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
11932 2006-05-17 Jakub Jelinek <jakub@redhat.com>
11934 PR middle-end/27415
11935 * tree.h (OMP_PARALLEL_COMBINED): Define.
11936 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
11937 (new_omp_context): Add is_combined_parallel argument.
11938 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
11939 new_omp_context caller.
11940 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
11941 Adjust gimplify_scan_omp_clauses callers.
11942 (omp_is_private): Issue errors if iteration variable is firstprivate
11943 or reduction in the current context.
11944 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
11945 on combined parallel workshare constructs.
11947 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
11949 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
11950 (gcc-options.o): New rule.
11952 * optc-gen.awk: Protect variables for gcc-options.o with
11953 #ifdef GCC_DRIVER/#endif.
11955 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
11957 Fix PR tree-optimization/27373
11958 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
11959 (forward_propagate_addr_expr): Update call.
11961 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
11963 * doc/options.texi: Move the Negative option.
11965 2006-05-16 Richard Guenther <rguenther@suse.de>
11967 PR tree-optimization/22303
11968 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
11970 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
11971 ccp_fold did not simplify the statement.
11973 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
11976 * Makefile.in (GCC_OBJS): New.
11977 (OBJS-common): Add opts-common.o.
11978 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
11979 (cpp$(exeext)): Likewise.
11980 (gcc.o): Also depend on opts.h.
11981 (opts-common.o): New.
11983 * common.opt (gcoff): Add Negative(gdwarf-2).
11984 (gdwarf-2): Add Negative(gstabs).
11985 (gstabs): Add Negative(gstabs+).
11986 (gstabs+): Add Negative(gvms).
11987 (gvms): Add Negative(gxcoff).
11988 (gxcoff): Add Negative(gxcoff+).
11989 (gxcoff+): Add Negative(gcoff).
11990 * config/i386/i386.opt (m32): Add Negative(m64).
11991 (m64): Add Negative(m32).
11993 * doc/options.texi: Document the Negative option.
11995 * gcc.c: Include "opts.h".
11996 (main): Call prune_options after expandargv.
11998 * optc-gen.awk: Generate common declarations for all flag
11999 variables in options.c. Output the neg_index field.
12001 * opts.c (find_opt): Moved to ...
12002 * opts-common.c: Here. New file.
12004 * opts.h (cl_option): Add a neg_index field.
12006 (prune_options): Likewise.
12008 2006-05-16 Jakub Jelinek <jakub@redhat.com>
12010 PR middle-end/27573
12011 * omp-low.c (expand_omp_parallel): Don't assert
12012 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
12013 instead search for it.
12016 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
12019 2006-05-16 Andreas Schwab <schwab@suse.de>
12021 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
12024 2006-05-15 Roger Sayle <roger@eyesopen.com>
12027 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
12028 integer constants other than zero are only legitimate on TARGET_64BIT.
12029 <CONST_VECTOR> Only zero vectors are legitimate.
12030 (ix86_cannot_force_const_mem): Integral and vector constants can
12031 always be put in the constant pool.
12033 2006-05-16 DJ Delorie <dj@redhat.com>
12035 * crtstuff.c (__dso_handle): Set section from
12036 TARGET_LBIGCC_SDATA_SECTION if defined.
12037 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
12038 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
12040 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
12043 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
12046 2006-05-16 Ben Elliston <bje@au.ibm.com>
12048 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
12050 2006-05-15 Per Bothner <per@bothner.com>
12052 * tree.c: (last_annotated_node): Use source_locus typedef.
12053 This permits bootstrapping with --enable-mapped-location.
12055 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
12057 PR tree-optimization/26830
12058 * tree-into-ssa.c (struct ssa_name_info): Add age field.
12059 (info_for_ssa_name, current_info_for_ssa_name_age,
12060 blocks_to_update): New variables.
12061 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
12062 (clear_ssa_name_info, initialize_flags_in_bb,
12063 mark_block_for_update): New functions.
12064 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
12065 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
12066 prepare_def_site_for): Use mark_block_for_update.
12067 (mark_def_interesting): Assert that the processed block is marked in
12068 blocks_to_update. Do not take blocks argument.
12069 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
12071 (rewrite_update_init_block, rewrite_update_stmt): Only process
12072 blocks with statements to rewrite.
12073 (delete_update_ssa): Do not clear SSA_NAME_AUX.
12074 (update_ssa): Initialize and free blocks_to_update. Do not
12075 clear flags on statements. Do not use blocks bitmap.
12076 * tree.h (SSA_NAME_AUX): Removed.
12077 (struct tree_ssa_name): Removed aux field.
12078 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
12080 2006-05-15 Richard Guenther <rguenther@suse.de>
12082 PR tree-optimization/27603
12083 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
12084 Do computations in original type.
12086 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
12088 * see.c: Code style changes such as redundant paranthesis,
12089 redundant intialization of local variables etc.
12090 (see_main): Declared now as static.
12091 * doc/invoke.texi: Update that -fsee is not enabled by
12094 2006-05-15 Jakub Jelinek <jakub@redhat.com>
12096 * omp-low.c (check_omp_nesting_restrictions): New function.
12097 (scan_omp_1): Call it.
12099 PR middle-end/27416
12100 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
12101 construct, return *VAR.
12103 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
12105 PR rtl-optimization/27406
12106 * bt-load.c (migrate_btr_def): Skip the block having abnormal
12109 2006-05-14 Roger Sayle <roger@eyesopen.com>
12111 PR rtl-optimization/27538
12112 * combine.c (expand_compound_operation): Call gen_lowpart
12113 before calling simplify_shift_const.
12115 2006-05-14 Roger Sayle <roger@eyesopen.com>
12117 PR rtl-optimization/22563
12118 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
12119 a fixed width bitfield, always force the intermediates into psuedos.
12121 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
12124 * mkconfig.sh: Use operator = instead of == for test.
12126 2006-05-13 Nick Clifton <nickc@redhat.com>
12128 * dwarf2out.c (dbx_reg_number): Check return value from
12129 LEAF_REG_REMAP and only use it if it is valid.
12130 (multiple_reg_loc_descriptor): Likewise.
12132 2006-05-13 Richard Guenther <rguenther@suse.de>
12134 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
12137 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
12139 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
12140 information attached to non-INSNs such as NOTEs.
12141 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
12143 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
12145 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
12147 * config/s390/s390.md: Adjust comment describing On constraint.
12149 2006-05-11 Jan Hubicka <jh@suse.cz>
12151 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
12152 to be output at -O0.
12154 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12156 PR middle-end/27384
12157 * fold-const.c (size_binop): Move sanity check for arguments to
12158 the beginning of the function.
12160 PR middle-end/27488
12161 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
12164 2006-05-11 Richard Guenther <rguenther@suse.de>
12166 PR middle-end/27529
12167 * fold-const.c (fold_unary): Handle intermediate conversion
12168 to a pointer type like intermediate conversion to an integer
12169 type in folding of (T1)(T2)var to var.
12170 Match the code to the comment in the final conversion for
12171 (T1)(T2)var to (T1)var regarding to type precision. Rather
12172 than disallow T1 being of pointer type, assert that both T1
12173 and var are of pointer type or not. Make sure not to fall
12174 over the frontends lazyness wrt array to pointer decay though.
12176 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
12178 * arm.c (arm_struct_value_rtx): Delete.
12179 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
12180 (arm_init_cumulative_args): Always initialize nregs to zero.
12182 2006-05-10 Richard Guenther <rguenther@suse.de>
12184 PR tree-optimization/27532
12185 * tree-object-size.c (plus_expr_object_size): Fix typo.
12187 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
12190 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
12191 ashrdi_const, ashrdi3): Use a scratch register.
12193 2006-05-10 Richard Guenther <rguenther@suse.de>
12195 PR tree-optimization/27302
12196 * fold-const.c (operand_equal_p): For two comparisons,
12197 try comparison of one comparison code swapped if that yields
12200 2006-05-10 Ben Elliston <bje@au.ibm.com>
12202 * tree-pretty-print.c (pretty_print_string): No need to handle
12203 '\0' as a special character.
12205 * tree.h: Include "hashtab.h".
12206 (iterative_hash_expr): Use hashval_t in its prototype.
12207 * Makefile.in (TREE_H): Add $(HASHTAB_H).
12209 2006-05-09 Steve Ellcey <sje@cup.hp.com>
12212 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
12213 (hppa*64*-*-hpux11*): Ditto.
12214 (hppa[12]*-*-hpux11*): Ditto.
12216 2006-05-09 David Edelsohn <edelsohn@gnu.org>
12219 * config/rs6000/aix41.h (TARGET_64BIT): Define.
12221 2006-05-09 Michael Matz <matz@suse.de>
12223 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
12224 host_extra_gcc_objs and host_xmake_file.
12225 (<*-*-linux*>): Don't overwrite host_xmake_file.
12226 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
12227 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
12228 (host_detect_local_cpu): Declare.
12229 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
12230 * config/i386/i386.c (override_options): Handle -mtune=native
12232 * config/i386/x-i386: New file.
12233 * config/i386/driver-i386.c: New file.
12234 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
12237 2006-05-09 Dirk Mueller <dmueller@suse.de>
12238 Richard Guenther <rguenther@suse.de>
12240 PR middle-end/27498
12241 * fold-const.c (fold_read_from_constant_string): Relax check
12242 for matching types to matching modes.
12244 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
12246 PR rtl-optimization/27335
12247 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
12250 2006-05-08 Chao-ying Fu <fu@mips.com>
12251 Richard Sandiford <richard@codesourcery.com>
12253 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
12254 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
12255 * config/mips/mips.md (UNSPEC_SCC): New constant.
12256 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
12257 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
12258 (mips_emit_compare): Use it.
12259 (mips_expand_vcondv2sf): New function.
12261 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
12263 Fix PR tree-optimization/27093
12264 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
12265 renaming when they become not-used_alone.
12267 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12269 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
12270 relocation and relocation stubs.
12272 2006-05-08 Eric Christopher <echristo@apple.com>
12274 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
12277 2006-05-08 Jan Hubicka <jh@suse.cz>
12279 PR middle-end/24561
12280 * cgraphunit.c (decide_is_function_needed): When not optimizing even
12281 unused static functions are needed.
12283 2006-05-08 Roger Sayle <roger@eyesopen.com>
12286 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
12287 of a reg_equiv_constant if the result is a legitimate constant.
12289 2006-05-08 Uros Bizjak <uros@kss-loka.si>
12292 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
12293 standard 80387 constants, raise the cost to prevent
12294 compress_float_constant() to generate load from memory.
12296 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
12298 * config/arm/constraints.md (c): Fix a typo.
12300 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
12303 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
12306 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
12308 (_mm_mwait): Likewise.
12310 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
12312 (sse3_monitor): Make it 32bit only.
12313 (sse3_monitor64): New. 64bit monitor.
12315 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12318 * config/i386/i386.c (classify_argument): Skip fields with invalid
12321 2006-05-07 Richard Guenther <rguenther@suse.de>
12323 PR tree-optimization/27409
12324 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12325 Do not try to find zero-sized subvars.
12327 2006-05-07 Richard Guenther <rguenther@suse.de>
12329 PR tree-optimization/27136
12330 * tree-ssa-loop-niter.c (get_val_for): Correct function
12331 comment, assert requirements.
12332 (loop_niter_by_eval): Stop processing if the iterated
12333 value did not simplify.
12335 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
12337 * opts.c (flag_see): remove its setting at -O3.
12339 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
12341 * genpeep.c (main): Make insn-peep.c depend on flags.h.
12342 * arm/constraints.md: New file.
12343 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
12344 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
12345 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
12346 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
12347 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
12348 (EXTRA_MEMORY_CONSTRAINT): Likewise.
12349 * arm.md: Include constraints.md.
12350 (thumb_movsi_insn): Use satisfies_constraint_J.
12351 (movhi, movqi): Use satisfies_constraint_I.
12353 2006-04-29 Anatoly Sokolov <aesok@post.ru>
12355 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
12356 for atmeg a645 device.
12358 2006-05-06 Richard Guenther <rguenther@suse.de>
12360 PR tree-optimization/27151
12361 * tree-vect-transform.c (vectorizable_condition): Punt on
12362 values that have a different type than the condition.
12364 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
12367 * c-parser.c (c_parser_cast_expression): Only insert casts into
12368 hash table if pointer.
12369 * function.c (used_types_insert_helper): Rename from
12371 (used_types_insert): Call used_types_insert_helper.
12372 * function.h (used_types_insert): Accept only one argument.
12374 2006-05-05 David Edelsohn <edesohn@gnu.org>
12376 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
12377 scratch with output modifier.
12379 2006-05-04 David Edelsohn <edelsohn@gnu.org>
12382 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
12383 with output modifier.
12385 2006-05-04 Richard Sandiford <richard@codesourcery.com>
12388 * config/mips/mips.c (mips_symbolic_address_p): Return true
12389 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
12390 SYMBOL_GOTTPREL, and SYMBOL_TLS.
12392 2006-05-04 Richard Guenther <rguenther@suse.de>
12394 PR tree-optimization/14287
12395 PR tree-optimization/14844
12396 PR tree-optimization/19792
12397 PR tree-optimization/21608
12398 PR tree-optimization/27090
12399 * tree-ssa-pre.c (try_combine_conversion): New function.
12400 (compute_avail): After constructing the value-handle
12401 expression, use try_combine_conversion to combine NOP_EXPRs
12402 with previous value-handle expressions and use the result if it
12405 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
12407 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
12409 2006-05-04 Jan Hubicka <jh@suse.cz>
12411 PR middle-end/25962
12412 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
12414 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
12416 * config/bfin/predicates.md (const01_rtx): Tell generator programs
12417 that this only matches CONST_INTs. All users changed to VOIDmode
12420 * config/bfin/bfin.c: Include "optabs.h".
12421 (bfin_rtx_costs): Some costs for vector operations, to allow combine
12423 (enum bfin_builtins): Add a number of fractional and vector builtins.
12424 (bfin_init_builtins): Likewise.
12425 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
12426 (safe_vector_operand, bfin_expand_binop_builtin,
12427 bfin_expand_unop_builtin): New functions.
12428 (bfin_expand_builtin): Handle the new builtins.
12429 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
12432 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
12435 * Makefile.in (OBJS-common): Add see.o.
12436 (see.o): Add dependencies.
12437 * common.opt (fsee): New flag for the see optimization was added.
12438 * opts.c (flag_see): Initialized.
12439 * passes.c (init_optimization_passes, pass_see): New pass.
12440 * rtl.h (see_main): Declaration as extern.
12441 * timevar.def (TV_SEE): New.
12442 * tree-pass.h (pass_see): Declaration as extern.
12443 * invoke.texi (-fsee): Document.
12444 * recog.c (validate_simplify_insn): New function.
12445 * recog.h (validate_simplify_insn): Declaration as extern.
12446 * df-problems.c (df_chain_dump): Check for NULL.
12448 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
12449 Daniel Berlin <dberlin@dberlin.org>
12451 * cfgrtl.c (insert_insn_bb_end_new): New function.
12452 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
12454 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
12456 * df.h (struct web_entry): Moved from web.c.
12457 (union_defs): Declaration as extern.
12458 (unionfind_root): Likewise.
12459 (unionfind_union): Likewise.
12460 * web.c (struct web_entry): Moved to df.h.
12461 (unionfind_root): Remove static declaration.
12462 (unionfind_union): Likewise.
12463 (union_defs): Likewise and generalize to use callback function.
12464 (web_main): Update arguments for union_defs function call.
12466 2006-05-04 Richard Guenther <rguenther@suse.de>
12468 PR tree-optimization/26447
12469 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
12470 produce SSA_NAME copies before the store stmt to avoid
12471 breaking exception handling.
12473 2006-05-04 Jakub Jelinek <jakub@redhat.com>
12475 PR middle-end/27388
12476 * gimplify.c (omp_is_private): If var is shared in some outer context,
12477 return false instead of true. Stop searching on parallel context
12480 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
12483 * coverage.c: Use get_gcov_unsigned_t() instead of
12484 unsigned_type_node all over.
12486 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
12488 PR tree-optimization/27381
12489 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
12490 maintain the same immediate_use links.
12491 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
12492 node rather than segfaulting.
12494 2006-05-03 Jakub Jelinek <jakub@redhat.com>
12497 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
12498 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
12499 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
12501 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
12503 Fix PR tree-optimization/26626
12504 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
12506 * tree-ssa-operands.c (access_can_touch_variable): Allow
12507 typecasting through union pointers.
12509 2006-05-02 Jakub Jelinek <jakub@redhat.com>
12512 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
12513 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
12514 to find if var will be a global variable even in the nested context.
12515 (omp_copy_decl): Only check for global variable at the end, it might
12516 be overridden in outer contexts.
12517 (scan_sharing_clauses): For global variables don't create a field.
12518 (lower_rec_input_clauses): Do nothing for global shared variables.
12519 Emit a barrier at the end of ILIST if there were any decls in both
12520 firstprivate and lastprivate clauses.
12521 (lower_send_clauses): Do nothing for global variables except for
12524 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
12526 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
12527 of the correct signedness is returned.
12529 2006-05-02 Jeff Law <law@redhat.com>
12531 PR tree-optimization/27364
12532 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
12533 multiply expressions.
12535 2006-05-02 Tom Tromey <tromey@redhat.com>
12537 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
12539 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
12542 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
12543 -mthumb -fPIC are used.
12545 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
12546 Joshua Kinard <kumba@gentoo.org>
12549 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
12550 with 64-bit pointers.
12552 2006-05-02 Paul Brook <paul@codesourcery.com>
12554 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
12556 (create_fix_barrier): Check that a suitable barrier location is
12558 (arm_reorg): Include ftmp->address in allowable range of addresses.
12560 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
12563 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
12566 2006-05-02 Jakub Jelinek <jakub@redhat.com>
12568 PR middle-end/27337
12569 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
12570 around RESULT_DECL for result passed by reference.
12571 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
12572 * omp-low.c (use_pointer_for_field): Don't look at
12573 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
12574 (scan_omp_1): Call remap_decl on RESULT_DECLs.
12575 (lower_rec_input_clauses): Don't allocate VLA memory for the second
12576 time or var for passing by reference for
12577 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
12578 TREE_ADDRESSABLE variables when passing by reference.
12580 * omp-low.c (dump_omp_region): Fix output formatting.
12582 PR middle-end/27328
12583 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
12584 (expand_omp_parallel): Likewise.
12585 * tree-cfg.c (move_sese_region_to_fn): Likewise.
12587 PR middle-end/27325
12588 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
12589 on statement list containing also constructors and destructors.
12590 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
12592 PR middle-end/27310
12593 * except.c (duplicate_eh_regions): Fix clearing of
12594 cfun->eh->region_array entries.
12596 2006-05-01 DJ Delorie <dj@redhat.com>
12598 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
12600 (gcc_cv_objdump): Likewise.
12601 * configure: Regenerated.
12603 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
12606 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
12607 templates for case 3 and 4.
12609 2006-05-01 DJ Delorie <dj@redhat.com>
12611 * vec.c: Include bconfig.h when appropriate.
12612 * Makefile.in (build/vec.o): Adjust dependencies.
12613 * mkconfig.sh: Make sure config.h isn't used for build machine
12616 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12618 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
12620 (mark_phi_for_rewrite): New function.
12621 (insert_phi_nodes_for, mark_use_interesting): Call
12622 mark_phi_for_rewrite.
12623 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
12624 (update_ssa): Initialize and free phis_to_rewrite.
12626 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12628 PR rtl-optimization/27291
12629 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
12630 folded to a constant.
12632 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12634 PR tree-optimization/27283
12635 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
12636 not whole # of iteration descriptions.
12637 (niter_for_exit): Return just # of iterations. Fail if # of iterations
12638 uses abnormal ssa name.
12639 (niter_for_single_dom_exit): Ditto.
12640 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
12641 return just the number of iterations.
12643 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12645 PR tree-optimization/27144
12646 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
12647 (record_estimate): Only record constant upper bound.
12648 (infer_loop_bounds_from_undefined): Call
12649 compute_estimated_nb_iterations just once.
12650 (proved_non_wrapping_p): Renamed to ...
12651 (n_of_executions_at_most): ... this. Expect bound to be a constant.
12652 (convert_step_widening, scev_probably_wraps_p): Call
12653 n_of_executions_at_most instead of proved_non_wrapping_p.
12654 (substitute_in_loop_info): Do not replace values in bounds.
12655 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
12658 2006-05-01 Richard Henderson <rth@redhat.com>
12661 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
12662 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
12665 2006-05-01 Roger Sayle <roger@eyesopen.com>
12667 * c-typeck.c (parser_build_binary_op): Don't call the function
12668 unsigned_conversion_warning to spot operand/result type overflow.
12669 (build_binary_op): Instead, call convert_and_check instead of
12670 convert to report the problem when the operands are promoted.
12671 * c-common.c (unsigned_conversion_warning): Make static.
12672 * c-common.h (unsigned_conversion_warning): Delete prototype.
12674 2006-05-01 Richard Guenther <rguenther@suse.de>
12676 PR tree-optimization/26726
12677 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
12679 (find_interesting_uses_address): ... we work around here
12680 by folding INDIRECT_REFs in the substituted base.
12682 2006-05-01 Diego Novillo <dnovillo@redhat.com>
12684 * omp-low.c (dump_omp_region): Add newlines.
12686 2006-04-30 Roger Sayle <roger@eyesopen.com>
12688 * common.opt (Woverflow): New command line option.
12689 * c-common.c (constant_expression_warning): Check warn_overflow.
12690 (overflow_waring): Pass OPT_Woverflow to warning.
12691 (unsigned_conversion_warning): Likewise.
12692 (convert_and_check): Likewise.
12693 * doc/invoke.texi: Document new command line option.
12695 2006-04-30 David Edelsohn <edelsohn@gnu.org>
12697 * config/rs6000/rs6000.c (rs6000_override_options): Enable
12698 TARGET_NO_FP_IN_TOC for section anchors.
12699 (optimization_options): Enable section anchors for all
12700 non-"Objective" languages.
12702 2006-04-28 Eric Christopher <echristo@apple.com>
12704 * config/darwin-c.c (darwin_ms_struct): Move this
12705 (darwin_set_default_type_attributes): and this...
12706 * config/darwin.c: ... here.
12707 * config/darwin.h (darwin_ms_struct): Declare.
12709 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
12711 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
12713 2006-04-28 Roger Sayle <roger@eyesopen.com>
12716 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
12717 (push_array_bounds): Delete prototype. Change BOUNDS argument to
12718 an unsigned HOST_WIDE_INT.
12719 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
12721 (really_start_incremental_init): No need to call convert because
12722 bitsize_zero_node is already of type bitsizetype.
12723 (push_init_level): Extract the value of constructor_index as an
12724 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
12725 (process_init_element): Likewise.
12727 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
12729 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
12730 value before passing to make_relative_prefix.
12732 2006-04-28 Alan Modra <amodra@bigpond.net.au>
12734 PR middle-end/27260
12735 * builtins.c (expand_builtin_memset): Expand val in original mode.
12737 2006-04-27 Eric Christopher <echristo@apple.com>
12739 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
12740 with #ifndef/#endif.
12741 * config/darwin-c.c (darwin_ms_struct): New.
12742 (darwin_pragma_ms_struct): Ditto.
12743 (darwin_set_default_type_attributes): Ditto.
12744 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
12745 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
12746 Register ms_struct pragma.
12747 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
12748 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
12749 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
12750 darwin_set_default_type_attributes if TARGET_MACHO.
12752 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
12754 PR tree-optimization/26854
12755 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
12756 * doc/tree-ssa.texi: Update immuse iterator documentation.
12757 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
12758 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
12759 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
12760 first_safe_imm_use, next_safe_imm_use): Remove.
12761 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
12762 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
12763 (move_use_after_head): New. Helper function to sort immuses in a stmt.
12764 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
12765 (first_imm_use_stmt): New. Get first stmt in an immuse list.
12766 (next_imm_use_stmt): New. Get next stmt in an immuse list.
12767 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
12768 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
12769 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
12770 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
12771 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
12772 (perfect_nestify): Use new iterator.
12773 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
12775 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
12776 (next_imm_name): New field in struct immediate_use_iterator_d.
12777 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
12778 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
12779 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
12780 * tree-cfg.c (replace_uses_by): Use new iterator.
12781 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
12782 * tree-ssa-operands.c (correct_use_link): Remove.
12783 (finalize_ssa_use_ops): No longer call correct_use_link.
12785 2006-04-27 Stuart Hastings <stuart@apple.com>
12787 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
12788 * config/t-darwin (crt3.o): Use it.
12789 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
12790 'pmode', use Pmode instead of SImode for SYMBOL_REF.
12791 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
12792 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
12793 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
12796 2006-04-27 Roger Sayle <roger@eyesopen.com>
12798 * expmed.c (store_fixed_bit_field): If we're not optimizing for
12799 size, force the intermediate into a new pseudo rather instead of
12800 performing both a bitwise AND and a bitwise IOR in memory.
12802 2006-04-27 Richard Guenther <rguenther@suse.de>
12804 PR rtl-optimization/26685
12805 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
12806 this one "max-flow-memory-locations".
12808 2006-04-27 Richard Guenther <rguenther@suse.de>
12810 PR tree-optimization/25148
12811 * tree-vrp.c (compare_values): Remove code dealing with
12812 comparisons against type min/max value. Honour overflow
12813 and negative constants in code dealing with comparisons
12814 of plus and minus expressions.
12815 (value_inside_range): Use fold_binary with LE_EXPR and
12816 GE_EXPR rather than compare_values.
12818 2006-04-27 Dirk Mueller <dmueller@suse.de>
12820 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
12823 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
12825 * basic-block.h (safe_insert_insn_on_edge): Removed.
12826 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
12828 2006-04-26 David Edelsohn <edelsohn@gnu.org>
12829 Paolo Bonzini <bonzini@gnu.org>
12831 PR middle-end/27282
12832 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
12833 (simplify_and_const_int): Same.
12835 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
12837 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
12839 2006-04-26 Jakub Jelinek <jakub@redhat.com>
12842 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
12843 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
12844 cgraph_global_info_ready.
12846 PR middle-end/26913
12847 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
12850 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
12851 either decl or init is error_mark_node.
12853 PR middle-end/25989
12854 * tree-flow.h (struct omp_region): Add sched_kind.
12855 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
12856 instead of extracting omp for data.
12857 (expand_omp_for): Save extracted sched_kind.
12859 2006-04-25 Roger Sayle <roger@eyesopen.com>
12861 * expmed.c (store_bit_field): Also check whether the bitsize is
12862 valid for the machine's "insv" instruction before moving the
12863 target into a pseudo for use with the insv.
12864 * config/i386/predicates.md (const8_operand): New predicate.
12865 * config/i386/i386.md (extv, extzv, insv): Use the new
12866 const8_operand predicate where appropriate.
12868 2006-04-25 DJ Delorie <dj@redhat.com>
12870 * doc/install.texi (Specific): Clarify that this is not a list of
12871 supported hosts or targets.
12873 2006-04-25 Richard Sandiford <richard@codesourcery.com>
12875 PR rtl-optimization/26725
12876 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
12877 block's BB_DIRTY flag.
12879 2006-04-25 Geoffrey Keating <geoffk@apple.com>
12881 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
12884 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
12885 to print an integer.
12887 2006-04-25 David Edelsohn <edelsohn@gnu.org>
12889 * varasm.c (align_variable): New function.
12890 (get_block_for_decl): Apply align_variable to DECL before
12891 calculating section information.
12892 (assemble_variable): Split out alignment computation.
12894 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
12896 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
12899 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
12901 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
12902 MODE_PARTIAL_INT mode.
12903 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
12904 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
12906 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
12907 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
12909 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
12911 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
12913 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
12914 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
12915 MACFLAG_IH): Likewise.
12916 (movstricthi_1): Renamed from "*movstricthi".
12917 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
12918 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
12919 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
12920 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
12921 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
12922 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
12923 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
12924 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
12925 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
12926 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
12927 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
12928 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
12929 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
12930 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
12931 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
12933 * doc/rtl.texi (ss_ashift): Improve wording.
12935 2006-04-24 Geoffrey Keating <geoffk@apple.com>
12937 * dwarf2out.c (verify_marks_clear): New.
12938 (prune_unused_types): Call verify_marks_clear initially, not
12941 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
12943 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
12944 * doc/rtl.texi: Document them.
12945 * simplify-rtx.c (simplify_unary_operation,
12946 simplify_binary_operation_1): Don't abort when we see them.
12948 2006-04-24 Mark Mitchell <mark@codesourcery.com>
12951 2006-04-23 Mark Mitchell <mark@codesourcery.com>
12952 * configure.ac: Completely disregard languages that are not
12954 * configure: Regenerated.
12956 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
12957 Richard Guenther <rguenther@suse.de>
12959 PR tree-optimization/27236
12960 * tree-inline.c (copy_body_r): Make sure to copy
12961 TREE_THIS_VOLATILE flag.
12963 2006-04-24 Richard Guenther <rguenther@suse.de>
12965 PR middle-end/26869
12966 * tree-complex.c (update_parameter_components): Don't handle
12967 unused parameters which have no default def.
12969 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
12970 Richard Guenther <rguenther@suse.de>
12972 PR tree-optimization/27218
12973 * tree-inline.c (expand_call_inline): Strip useless type
12974 conversions for the return slot address.
12976 2006-04-24 Richard Guenther <rguenther@suse.de>
12978 * cfgloop.h (struct loops): Remove unused field array. Reorder
12980 (LOOP_PREFETCH): Remove.
12982 2006-04-24 Richard Guenther <rguenther@suse.de>
12984 PR tree-optimization/22525
12985 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
12986 variable, adjust types of generated expressions.
12988 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
12990 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
12991 (tree-vect-patterns.o): Likewise.
12992 (jump.o): Likewise.
12993 (cselib.o): Likewise.
12994 (loop-doloop.o): Likewise.
12995 (regclass.o): Likewise.
12996 (reload1.o): Likewise.
12997 (explow.o): Replace target.h with $(TARGET_H).
12998 (ipa-prop.o): Likewise.
12999 (ipa-cp.o): Likewise.
13000 (ipa-inline.o): Likewise.
13001 (reorg.o): Likewise.
13002 (reg-stack.o): Likewise.
13004 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
13006 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
13008 2006-04-23 Mark Mitchell <mark@codesourcery.com>
13010 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
13012 * configure.ac: Completely disregard languages that are not
13014 * configure: Regenerated.
13017 * c-common.h (c_build_bitfield_integer_type): Declare.
13018 * c-decl.c (c_build_bitfield_integer_type): Move to ...
13019 * c-common.c (c_build_bitfield_integer_type): ... here.
13021 2006-04-23 Roger Sayle <roger@eyesopen.com>
13024 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
13025 a SImode SUBREG of a floating point register after no_new_pseudos.
13027 2006-04-23 Roger Sayle <roger@eyesopen.com>
13029 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
13030 identify potentially eliminable registers to additionally catch
13031 VIRTUAL_INCOMING_ARGS_REGNUM.
13032 (addsi3): Update the conditions on when to use addsi_small_int.
13034 2006-04-23 Roger Sayle <roger@eyesopen.com>
13037 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
13038 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
13039 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
13041 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
13043 * fold-const.c (range_predecessor): Use operand_equal_p
13044 as the predicate for equality.
13045 (range_successor): Likewise.
13047 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
13050 * config/soft-fp/op-common.h: Fix a typo.
13052 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
13054 PR libmudflap/26864
13055 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
13056 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
13058 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
13060 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
13062 * doc/tm.texi: Fix a typo.
13064 2006-04-21 Geoffrey Keating <geoffk@apple.com>
13066 * dwarf2out.c (struct die_struct): Document that die_sib makes
13067 a circular linked list.
13068 (FOR_EACH_CHILD): New.
13069 (reverse_die_lists): Delete.
13070 (reverse_all_dies): Delete.
13071 (add_dwarf_attr): Correct documentation.
13072 (remove_child_with_prev): New.
13073 (remove_child_TAG): Update for change to die_struct, use
13074 remove_child_with_prev.
13075 (add_child_die): Update for change to die_struct.
13076 (splice_child_die): Use remove_child_with_prev and add_child_die.
13077 (print_die): Use FOR_EACH_CHILD.
13078 (die_checksum): Likewise.
13079 (assign_symbol_names): Likewise.
13080 (output_location_lists): Likewise.
13081 (build_abbrev_table): Likewise.
13082 (calc_die_sizes): Likewise.
13083 (mark_dies): Likewise.
13084 (unmark_dies): Likewise.
13085 (unmark_all_dies): Likewise.
13086 (output_die): Likewise.
13087 (prune_unused_types_mark): Likewise.
13088 (prune_unused_types_walk): Likewise.
13089 (same_die_p): Update for change to die_struct.
13090 (break_out_includes): Likewise.
13091 (prune_unused_types_prune): Likewise.
13092 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
13093 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
13094 it's already clear.
13095 (dwarf2out_finish): Don't call reverse_all_dies.
13097 2006-04-21 Eric Christopher <echristo@apple.com>
13099 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
13100 in comments and function names.
13102 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13105 * c-typeck.c (digest_init): Robustify.
13107 * c-typeck.c (pop_init_level): Simplify.
13109 2006-04-21 Steve Ellcey <sje@cup.hp.com>
13111 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
13113 2006-04-21 Paul Brook <paul@codesourcery.com>
13115 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
13116 hardware floating point.
13118 2006-04-21 David Edelsohn <edelsohn@gnu.org>
13120 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
13123 2006-04-21 Nick Clifton <nickc@redhat.com>
13125 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
13128 2006-04-21 Alan Modra <amodra@bigpond.net.au>
13131 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
13132 C++ lang type in traceback table for Objective-C++.
13134 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
13136 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
13138 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
13140 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13143 * tree-mudflap.c (mudflap_finish_file): Skip function when there
13144 were errors. Remove check for erroneous objects.
13146 2006-04-20 Jeff Law <law@redhat.com>
13148 PR tree-optimization/26854
13149 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
13150 checking for zero or one use.
13151 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
13152 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
13153 * tree-ssa-reassoc.c (negate_value): Similarly.
13154 (reassociate_bb): Similarly.
13156 2006-04-20 Jakub Jelinek <jakub@redhat.com>
13159 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
13160 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
13161 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
13163 2006-04-20 Alan Modra <amodra@bigpond.net.au>
13165 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
13166 fp regs if the last fp arg doesn't fit in regs.
13168 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
13171 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
13172 that the last insn has the REG_INC note.
13174 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
13175 Nathan Sidwell <nathan@codesourcery.com>
13178 * stor-layout.c (update_alignment_for_field): Do not align
13180 (place_union_field): Place union field at the start of the union.
13181 (place_field): Move ERROR_MARK check later, and use the current
13182 allocation position to maintain monotonicity.
13184 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
13186 * dominance.c: Include timevar.h.
13187 (calculate_dominance_info): Use TV_DOMINANCE.
13188 * timevar.def (TV_DOMINANCE): New timevar.
13189 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
13191 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
13193 PR rtl-optimization/14261
13194 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
13195 move would be an INSV insn.
13196 (noce_process_if_block): Don't optimize if the destination is a
13197 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
13199 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
13201 * config/s390/s390.md: Add comments with the instructions emitted
13202 by an insn pattern if macros are used.
13204 2006-04-19 Alan Modra <amodra@bigpond.net.au>
13206 PR rtl-optimization/26026
13207 * fold-const.c (fold_binary): Optimize div and mod where the divisor
13208 is a known power of two shifted left a variable amount.
13210 2006-04-18 Geoffrey Keating <geoffk@apple.com>
13212 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
13213 to hash table twice when the debug_str section has SECTION_MERGE.
13215 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
13217 * config/soft-fp: New directory. From glibc.
13218 * config/soft-fp/t-softfp: New.
13219 * config/soft-fp/README: New.
13220 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
13221 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
13222 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
13223 (LIBGCC_DEPS): Add $(SFP_MACHINE).
13224 * config.gcc: Use rs6000/t-fprules-fpbit or
13225 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
13227 * config/rs6000/sfp-machine.h: New. Based on glibc.
13228 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
13230 * config/rs6000/t-fprules: Remove fp-bit rules.
13231 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
13232 * config/rs6000/t-linux64: Likewise. Remove duplicates from
13233 LIB2FUNCS_EXTRA. Remove fp-bit rules.
13234 (softfp_wrap_start, softfp_wrap_end): New.
13236 2006-04-18 DJ Delorie <dj@redhat.com>
13238 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
13240 2006-04-18 Devang Patel <dpatel@apple.com>
13242 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
13244 2006-04-18 Nick Clifton <nickc@redhat.com>
13246 * config/sh/t-symbian: Add rule to build sh-c.o
13247 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
13248 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
13249 (sh_symbian_encode_section_info): Likewise.
13251 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
13253 * builtins.c (expand_builtin_strcmp): Cover label definition of
13254 do_libcall with HAVE_cmpstrnsi.
13256 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
13258 * function.c (temp_slots_at_level, max_slot_level): Use VEC
13260 * function.h (temp_slot_p): New.
13261 (function): Change the type of x_used_temp_slots to
13262 VEC(temp_slot_p,gc) *.
13264 2006-04-18 Nick Clifton <nickc@redhat.com>
13266 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
13267 flag_strength_reduce.
13269 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
13271 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
13275 Partial revert of revision 112637
13276 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
13277 Dale Johannesen <dalej@apple.com>
13280 * regclass.c (struct reg_pref): Update documentation.
13281 (regclass): Set prefclass to NO_REGS if memory is the best option.
13282 (record_reg_classes): Cope with a prefclass set to NO_REGS.
13284 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
13286 PR tree-optimization/26821
13287 * tree-ssa-math-opts.c (get_constant_one): New.
13288 (insert_reciprocals): Use it.
13290 2006-04-17 Geoffrey Keating <geoffk@apple.com>
13292 * dwarf2out.c (free_AT): Delete.
13293 (remove_AT): Update string ref counts.
13294 (remove_child_TAG): Don't call free_die.
13295 (free_die): Delete.
13296 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
13297 or DW_TAG_GNU_EINCL.
13298 (prune_unused_types_walk_attribs): Reset string refcounts.
13299 (prune_unused_types_update_strings): New.
13300 (prune_unused_types_prune): Don't make unnecessary stores. Don't
13301 call free_die. Do call prune_unused_types_update_strings.
13302 (prune_unused_types): Empty debug_str_hash.
13304 2006-04-17 Roger Sayle <roger@eyesopen.com>
13306 * expr.c (expand_assignment): Optimize away no-op moves where the
13307 source and destination are equal and have no side-effects.
13309 2006-04-17 Richard Guenther <rguenther@suse.de>
13312 * reload.c (push_reload): Guard calls to get_secondary_mem
13313 for memory subregs.
13315 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
13317 * alias.c (reg_base_value, old_reg_base_value): Change the
13318 type to VEC(rtx,gc) *.
13319 (REG_BASE_VALUE, find_base_value, record_set,
13320 init_alias_analysis): Use VEC instead of VARRAY.
13322 * alias.c (alias_sets): Change the type to
13323 VEC(alias_set_entry,gc) *.
13324 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
13325 VEC instead of VARRAY.
13326 (last_alias_set): Remove.
13328 * cgraph.h (cgraph_edge_p): New.
13329 Update the prototype of cgraph_function_versioning.
13330 * cgraphunit.c (cgraph_copy_node_for_versioning,
13331 cgraph_function_versioning): Use VEC instead of VARRAY.
13332 * ipa-cp.c (ipcp_insert_stage): Likewise.
13334 2006-04-16 Roger Sayle <roger@eyesopen.com>
13337 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
13338 "A op B" or "A op C", we may need to convert A to the type of B and C.
13340 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
13342 * target.h (struct gcc_target): Add mode_rep_extended.
13343 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
13344 (init_num_sign_bit_copies_in_rep): Initialize it using
13346 (truncate_to_mode): Use it.
13347 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
13348 * targhooks.h (default_mode_rep_extended): Declare it.
13349 * targhooks.c (default_mode_rep_extended): Define it.
13350 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
13351 default_mode_rep_extended.
13352 (TARGET_INITIALIZER): Include it.
13353 * doc/tm.texi (Misc): Document it.
13354 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
13355 (mips_truncated_to_mode): New function.
13357 2006-04-16 Roger Sayle <roger@eyesopen.com>
13359 PR middle-end/25474
13360 * expr.c (compress_float_constant): Copy the narrow constant into
13361 a new pseudo before extending it to its final width.
13363 2006-04-16 Roger Sayle <roger@eyesopen.com>
13364 Andrew Pinski <pinskia@gcc.gnu.org>
13365 Dale Johannesen <dalej@apple.com>
13368 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
13369 special case code to implement V8HImode and V16QImode with SSE2.
13371 2006-04-15 Roger Sayle <roger@eyesopen.com>
13373 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
13374 trees are constructed with a suitable tree type.
13376 2006-04-15 Roger Sayle <roger@eyesopen.com>
13378 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
13379 (integer_onep): Likewise.
13380 (integer_all_onesp): Likewise.
13381 (integer_pow2p): Likewise.
13382 (integer_nonzerop): Likewise.
13383 (real_zerop): Likewise.
13384 (real_onep): Likewise.
13385 (real_twop): Likewise.
13386 (real_minus_onep): Likewise.
13387 (int_size_in_bytes): Likewise.
13388 (host_integerp): Likewise.
13390 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
13392 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
13393 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
13394 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
13396 * tree-ssa-structalias.h (alias_info): Remove num_references.
13398 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13400 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
13401 (output_bvb patterns): Likewise.
13402 * pa.c (output_bb): Use 'bb' insn for long branch case.
13403 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
13404 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
13405 1. Correct length operand for alternatives 1 and 2.
13406 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
13407 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
13409 2006-04-14 Roger Sayle <roger@eyesopen.com>
13411 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
13412 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
13413 were accidentally reverted by r112959.
13415 2006-04-15 Jakub Jelinek <jakub@redhat.com>
13417 PR middle-end/26823
13418 * except.h (eh_region_outermost): New prototype.
13419 * except.c (eh_region_outermost): New function.
13420 * tree-cfg.c (find_outermost_region_in_block): Use it.
13422 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
13424 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
13426 * reload1.c (reg_equiv_memory_loc_varray): Rename to
13427 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
13428 (init_reload, reload): Use VEC instead of VARRAY.
13429 * reload.h: Update the prototype for
13430 reg_equiv_memory_loc_varray.
13432 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
13433 Eric Botcazou <ebotcazou@libertysurf.fr>
13435 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
13436 register save area.
13438 2005-04-13 Uros Bizjak <uros@kss-loka.si>
13440 PR middle-end/27134
13441 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
13442 to expand fallback builtin function call.
13444 2006-04-14 Alan Modra <amodra@bigpond.net.au>
13446 PR middle-end/27095
13447 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
13448 and emit libcall here in case the builtin fails.
13449 (expand_builtin_strcmp): Always emit the libcall here on failure.
13451 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
13453 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
13454 * flow.c (reg_n_info): Change the type to
13455 VEC(reg_info_p,heap) *.
13456 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
13458 * regs.h (reg_info_p): New.
13459 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
13460 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
13461 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
13464 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
13466 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
13468 * params.h (MAX_SCHED_READY_INSNS): New macro.
13469 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
13470 past MAX_SCHED_READY_INSNS during the first scheduling pass.
13471 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
13472 the ready list for 1 cycle during the first scheduling pass.
13473 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
13475 2006-04-13 Richard Henderson <rth@redhat.com>
13478 * gimple-low.c (lower_omp_directive): Remove dead code.
13479 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
13480 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
13481 * omp-low.c (struct omp_region): Move to tree-flow.h.
13482 (root_omp_region): Export.
13483 (omp_regions, lookup_omp_region): Remove.
13484 (determine_parallel_type): Update for struct omp_region changes.
13485 (dump_omp_region): Dump regions with block numbers.
13486 (new_omp_region): Take type and block instead of stmt; malloc
13488 (free_omp_region_1, free_omp_regions): New.
13489 (expand_parallel_call): Take entry_stmt as argument; update for
13490 changes to omp_region.
13491 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
13492 (remove_exit_barriers): New.
13493 (expand_omp_parallel): Update for struct omp_region changes.
13494 (expand_omp_synch): Likewise.
13495 (expand_omp): Likewise.
13496 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
13497 (expand_omp_for_static_chunk): Likewise.
13498 (expand_omp_for): Likewise.
13499 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
13500 (expand_omp_sections): Similarly, with GOMP_sections_end.
13501 (expand_omp_single): New.
13502 (build_omp_regions_1): Update for OMP_CONTINUE.
13503 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
13504 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
13505 OMP_SECTIONS_SECTIONS.
13506 (lower_omp_single_simple): Don't emit barrier here.
13507 (lower_omp_single_copy): Likewise.
13508 (lower_omp_single): Fix bindings, and lower to straightline now.
13509 (lower_omp_master, lower_omp_ordered): Likewise.
13510 (lower_omp_critical): Likewise.
13511 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
13512 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
13513 omp edges, free it afterward.
13514 (make_omp_sections_edges): Remove.
13515 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
13516 (move_stmt_r): Handle OMP_CONTINUE.
13517 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
13518 statement pointers to basic blocks. Add type member.
13519 (root_omp_region, new_omp_region, free_omp_regions): Declare.
13520 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
13521 * tree-inline.c (estimate_num_insns_1): Likewise.
13522 * tree-pretty-print.c (dump_generic_node): Likewise.
13523 * tree-ssa-operands.c (get_expr_operands): Likewise.
13524 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
13525 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
13526 (OMP_CONTINUE): New.
13527 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
13528 (OMP_SECTIONS_SECTIONS): Remove.
13529 (OMP_SECTION_LAST): New.
13530 (OMP_RETURN_NOWAIT): New.
13532 2006-04-13 Roger Sayle <roger@eyesopen.com>
13534 * fold-const.c (native_encode_vector, native_interpret_real):
13535 Correct obvious mistakes in the previous check-in.
13537 2006-04-13 Roger Sayle <roger@eyesopen.com>
13539 * fold-const.c (native_encode_expr): New function to encode
13540 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
13541 or VECTOR_CST into a specified buffer.
13542 (native_encode_int): New function.
13543 (native_encode_real): New function.
13544 (native_encode_complex): New function.
13545 (native_encode_vector): New function.
13546 (native_interpret_expr): Inverse of native_encode_expr to convert
13547 a target representation into an INTEGER_CST, REAL_CST etc...
13548 (native_interpret_int): New function.
13549 (native_interpret_real): New function.
13550 (native_interpret_complex): New function.
13551 (native_interpret_vector): New function.
13552 (fold_view_convert_expr): New function to constant fold/evaluate
13553 a VIEW_CONVERT_EXPR of a suitable constant expression.
13554 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
13555 Change call of build1 to fold_build1 when constructing a
13558 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
13559 Ulrich Weigand <uweigand@de.ibm.com>
13562 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
13565 2006-04-13 Alan Modra <amodra@bigpond.net.au>
13568 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
13569 optimize to lo_sum for DFmode if !TARGET_FPRS.
13571 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
13573 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
13574 delete_alias_info, compute_flow_sensitive_aliasing,
13575 group_aliases): Use VEC instead of VARRAY.
13576 * tree-ssa-structalias.c (update_alias_info): Likewise.
13577 * tree-ssa-structalias.h (alias_info): Change the type of
13578 processed_ptrs to VEC(tree,heap) *.
13580 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
13583 * config/sh/lib1funcs.h: New file, broken out of:
13584 * config/sh/lib1funcs.asm.
13585 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
13587 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
13588 * config/sh/lib1funcs-Os-4-200.asm: New file.
13589 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
13590 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
13591 (EXTRA_MULTILIB_PARTS): Include it.
13592 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
13593 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
13594 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
13595 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
13598 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
13600 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
13601 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
13602 tpa_compact, root_var_init, type_var_init): Use VEC instead of
13604 * tree-ssa-live.h: Include vecprim.h.
13605 (tree_partition_associator_d): Change the type of
13606 first_partition to VEC(int,heap) *.
13607 (tpa_first_partition): Use VEC instead of VARRAY.
13609 * Makefile.in (GTFILES): Move functions.h after tree.h.
13610 * function.c (reset_block_changes, record_block_change,
13611 check_block_change, free_block_changes): Use VEC instead of
13613 * function.h (function): Change the type of
13614 ib_boundaries_block to VEC(tree,gc) *.
13615 * tree-inline.c (copy_cfg_body): Initialize
13616 ib_boundaries_block to NULL instead of (varray_type) 0.
13618 2006-04-12 Roger Sayle <roger@eyesopen.com>
13620 * expr.c (emit_group_store): Correct operand order in call to
13621 subreg_lowpart_offset. Always create paradoxical SUBREGs with
13622 a SUBREG_BYTE of zero.
13624 2006-04-12 Richard Guenther <rguenther@suse.de>
13626 * profile.c (compute_branch_probabilities): Remove code
13627 encapsulated in !ir_type (), which are remanents of the
13628 removed RTL profiling code.
13629 * rtl-profile.c: Remove.
13631 2006-04-12 Alan Modra <amodra@bigpond.net.au>
13633 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
13634 magic NULL_RTX comment.
13635 (function_arg): Store entire fp arg to mem if any part should go
13637 (rs6000_arg_partial_bytes): Adjust for above change.
13639 2006-04-11 Roger Sayle <roger@eyesopen.com>
13641 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
13642 if it hasn't been initialized by dwarf2out_init.
13644 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
13646 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
13647 symbolic constants in branch patterns.
13649 2006-04-11 Roger Sayle <roger@eyesopen.com>
13651 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
13653 2006-04-11 Richard Sandiford <richard@codesourcery.com>
13655 PR rtl-optimization/27073
13656 * gcse.c (try_replace_reg): Revert last change. Continue to search
13657 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
13660 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
13662 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
13663 aggregate types other than record and union types.
13664 (function_arg): Likewise.
13665 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
13667 (function_value): In 64-bit mode, return objects that require it
13670 2006-04-11 Roger Sayle <roger@eyesopen.com>
13672 * dwarf2out.c (premark_used_types): Remove problematic prototype.
13674 2006-04-11 Jakub Jelinek <jakub@redhat.com>
13676 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
13678 2006-04-03 Jeff Law <law@redhat.com>
13681 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
13682 alias information too.
13684 2006-04-10 Mike Frysinger <vapier@gentoo.org>
13686 * Makefile.in (gcc-cross): Add $(exeext) to target name.
13688 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
13691 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
13692 (premark_used_types_helper): New.
13693 (premark_used_types): New.
13694 (gen_subprogram_die): Call premark_used_types.
13695 (prune_unused_types_walk): Do not prune perennial dies.
13696 * function.c (used_types_insert): New.
13697 * function.h (struct function): Add used_types_hash field.
13698 (used_types_insert): Add prototype.
13699 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
13700 * c-parser.c (c_parser_cast_expression): Save casted types in used
13703 2006-04-11 Mark Mitchell <mark@codesourcery.com>
13706 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
13707 rs6000_explicit_options.float_gprs.
13709 2006-04-10 Roger Sayle <roger@eyesopen.com>
13711 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
13712 from ix86_expand_vector_init_low_nonzero. Take an additional
13713 one_var argument indicating which element is non-zero. Support
13714 one_var != 0 for V4SFmode and V4SImode by permuting the result.
13715 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
13716 with one_var instead of ix86_expand_vector_init_low_nonzero.
13718 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
13720 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
13721 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
13722 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
13723 build/genextract.o): Depend on vecprim.h.
13724 * cfglayout.c, df-problems.c, function.c, genextract.c,
13725 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
13726 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
13730 2006-04-10 Geoffrey Keating <geoffk@apple.com>
13732 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
13733 Declare VECs of this type.
13734 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
13735 (remove_children): Delete.
13736 (add_dwarf_attr): Use VEC routines.
13737 (add_AT_flag): Update for changes to add_dwarf_attr.
13738 (add_AT_int): Likewise.
13739 (add_AT_unsigned): Likewise.
13740 (add_AT_long_long): Likewise.
13741 (add_AT_vec): Likewise.
13742 (add_AT_string): Likewise.
13743 (add_AT_die_ref): Likewise.
13744 (add_AT_fde_ref): Likewise.
13745 (add_AT_loc): Likewise.
13746 (add_AT_loc_list): Likewise.
13747 (add_AT_addr): Likewise.
13748 (add_AT_lbl_id): Likewise.
13749 (add_AT_lineptr): Likewise.
13750 (add_AT_macptr): Likewise.
13751 (add_AT_offset): Likewise.
13752 (add_AT_range_list): Likewise.
13753 (get_AT): Use VEC_iterate.
13754 (remove_AT): Use VEC_ordered_remove.
13755 (free_die): Fold remove_children into here; have it use VEC_iterate.
13756 (print_die): Use VEC_iterate on attrs.
13757 (reverse_die_lists): Don't reverse attr lists.
13758 (die_checksum): Use VEC_iterate on attrs.
13759 (same_die_p): Likewise.
13760 (output_location_lists): Likewise.
13761 (build_abbrev_table): Likewise.
13762 (size_of_die): Likewise.
13763 (unmark_all_dies): Likewise.
13764 (output_abbrev_section): Likewise.
13765 (output_die): Likewise.
13766 (prune_unused_types_walk_attribs): Likewise.
13768 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13770 * doc/install.texi (*-*-solaris2*): Point to the configure page.
13772 2006-04-10 Jakub Jelinek <jakub@redhat.com>
13775 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
13777 2006-04-09 Roger Sayle <roger@eyesopen.com>
13779 * expr.c (store_constructor): Don't bother clearing target if
13780 we're about to assign a vector to it using vec_init_optab.
13782 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
13784 * tree-ssa-alias.c (lhs_may_store_to): New function.
13785 (recalculate_used_alone): Handle LHS of calls.
13787 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13791 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
13792 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
13793 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
13794 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
13795 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
13796 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
13797 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
13798 stubs. Add ".align 8" directives before all ".dword" directives.
13799 (GTHREAD_USE_WEAK): Revise comment.
13800 (TARGET_ATTRIBUTE_WEAK): Define.
13801 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
13802 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
13803 * stublib.c: New file.
13808 * pa.md (cbranch patterns): Revise arguments used in calls to
13809 output_cbranch, output_bb and output_bvd. Add long branch length
13811 (fbranch patterns): Handle long branches.
13812 (jump): Revise length check. Revise arguments for output_lbranch call.
13813 Add long branch length attributes.
13814 (decrement_and_branch_until_zero): Add long branch length attributes.
13815 (output_movb, output_parallel_addb and output_parallel_movb patterns):
13816 Likewise. Revise arguments for output_parallel_addb and
13817 output_parallel_movb calls.
13818 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
13819 output_parallel_movb and output_parallel_addb): Update prototypes.
13820 * pa.c (output_cbranch): Revise arguments. Correct handling of
13821 nullification in long branches.
13822 (output_lbranch): Add new argument to control extraction of delay
13824 (output_bb): Handle long branches.
13825 (output_bvb, output_dbra, output_movb, output_parallel_movb,
13826 output_parallel_addb): Likewise.
13828 2006-04-09 Richard Sandiford <richard@codesourcery.com>
13830 PR rtl-optimization/27073
13831 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
13834 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
13836 * tree.h (tree_memory_tag): Add old_used_alone.
13837 (SMT_OLD_USED_ALONE): New macro.
13838 * tree-ssa-alias.c (recalculate_used_alone): Stop
13839 marking things for renaming unnecessarily.
13841 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
13843 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
13844 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
13845 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
13846 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
13847 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
13848 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
13849 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
13850 spelling convensions.
13851 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
13852 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
13853 typos. Follow spelling conventions.
13855 2006-04-07 DJ Delorie <dj@redhat.com>
13857 * config/m32c/m32c.c (m32c_function_arg): Structures are always
13858 passed on the stack.
13859 (m32c_init_cumulative_args): When a function returns a structure,
13860 always pass the pointer to that return area on the stack.
13861 (m32c_function_arg_advance): Don't increment the parameter number
13862 if we're processing the returned structure pointer.
13863 (pushm_info): Reverse order of registers.
13865 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
13867 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
13868 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
13869 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
13870 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
13871 build_int_cst_type.
13872 * tree-chrec.c (chrec_fold_multiply_poly_poly,
13873 chrec_fold_multiply): Same.
13874 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
13875 force_expr_to_var_cost): Same.
13876 * tree-mudflap.c (mf_xform_derefs_1): Same.
13877 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
13879 2006-04-07 David Edelsohn <edelsohn@gnu.org>
13881 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
13882 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
13885 2006-04-07 Jan Hubicka <jh@suse.cz>
13887 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
13889 2006-04-07 Richard Guenther <rguenther@suse.de>
13891 PR tree-optimization/26135
13892 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
13893 loads for store copy-prop.
13894 (copy_prop_visit_stmt): Likewise.
13896 2006-04-05 Robert Millan <robertmh@gnu.org>
13898 * config/i386/linux.h: Add a comment to mark macros that are
13899 being overriden in config/k*bsd-gnu.h.
13900 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
13902 * config/knetbsd-gnu.h: Ditto.
13904 2006-04-06 Jan Hubicka <jh@suse.cz>
13908 * coverage.c (coverage_checksum_string): Reorganize loop to not read
13911 2006-04-06 Mike Stump <mrs@apple.com>
13913 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
13914 for HAVE_nonlocal_goto to be consistent.
13915 (expand_builtin_nonlocal_goto): Likewise.
13916 (expand_builtin_strcmp): Use #ifdef instead of #if
13917 for HAVE_cmpstrnsi to be consistent.
13919 2006-04-05 DJ Delorie <dj@redhat.com>
13921 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
13924 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
13926 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
13927 got-relative addressing for anything but SImode.
13929 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
13930 even if the calling function doesn't modify them.
13932 2006-04-05 Richard Guenther <rguenther@suse.de>
13934 PR tree-optimization/26919
13935 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
13936 to cgraph_estimate_size_after_inlining.
13938 2006-04-05 Alan Modra <amodra@bigpond.net.au>
13940 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
13942 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
13944 PR tree-optimization/26996
13945 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
13946 VECTOR_TYPE variables.
13948 2006-04-05 Richard Guenther <rguenther@suse.de>
13950 PR tree-optimization/26763
13951 * fold-const.c (fold_comparison): Move folding of
13952 PTR + CST CMP PTR + CST ...
13953 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
13955 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
13957 * doc/install.texi (Prerequisites): Refine some wording on
13958 bootstrapping and ksh.
13959 Move the version numbers of DejaGnu here from the testing section
13960 and fix casing of names.
13961 Fix markup and clarify wording for autogen requirements.
13962 Refer to GCJ instead of just java.
13963 Refer to SVN instead of CVS.
13964 Describe diffutils as useful instead of necessary.
13965 (Downloading the source): Refer to SVN instead of CVS.
13966 Adjust a link to our web site accordingly.
13967 (Configuration): Fix casing of Bison.
13968 (Building): Refer to SVN instead of CVS.
13969 Fix a sentence on the use of Bison and remove duplicate (and
13970 incorrect) version number of Bison requirement.
13971 Remove one redundant list of packages needed for building.
13972 (Specific): Avoid reference to CVS.
13974 2006-04-04 Eric Christopher <echristo@apple.com>
13976 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
13977 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
13978 (rs6000_handle_struct_attribute): New.
13979 (rs6000_ms_bitfield_layout_p): Ditto.
13981 2006-04-04 Geoffrey Keating <geoffk@apple.com>
13983 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
13984 NULL for dso parameter to atexit_common.
13986 2006-04-04 Eric Christopher <echristo@apple.com>
13988 * config/i386/i386.c (machopic_output_stub): Output \t
13989 between instructions and operands.
13991 2006-04-04 David Edelsohn <edelsohn@gnu.org>
13993 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
13994 satisfies_constraint_[IL] to explicit tests on value.
13996 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
13998 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
13999 set_nb_iterations_in_loop): Use build_int_cst instead of
14000 build_int_cst_type.
14001 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
14002 build_int_cst instead of convert.
14004 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
14006 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
14007 new value 2 for incoming.
14008 * function.c (expand_function_start): Call struct_value_rtx
14009 with incoming as 2.
14010 * config/sparc/sparc.md: Comment updated_return.
14011 * config/sparc/sparc.opt: Add -mstd-struct-return option.
14012 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
14013 struct return if sparc_std_struct_return and incoming is 2.
14014 (print_operand): Do not adjust return if
14015 sparc_std_struct_return.
14017 2006-04-04 Roger Sayle <roger@eyesopen.com>
14019 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
14020 convert in the middle-end.
14021 * expr.c (store_expr, store_constructor, get_inner_reference,
14022 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
14024 * tree.c (build_range_type): Likewise.
14026 2006-04-04 Tom Tromey <tromey@redhat.com>
14028 * doc/install.texi (Prerequisites): Mention jar.
14030 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
14032 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
14035 2006-04-04 Matthias Klose <doko@debian.org>
14037 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
14041 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
14044 2006-04-03 Geoffrey Keating <geoffk@apple.com>
14046 * doc/extend.texi (Function Attributes): Rewrite visibility
14047 attribute documentation.
14048 * doc/invoke.texi (C++ Dialect Options): Rewrite
14049 -fvisibility-inlines-hidden documentation to describe something
14050 entirely different, although in practise compatible.
14051 (Code Gen Options): Warn about system headers in -fvisibility=
14054 * doc/extend.texi (Other Builtins): Document that
14055 __builtin_nan is a compile-time constant only when its argument
14058 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
14060 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
14061 trying to remove TRUNCATE check if all bits outside the new mode
14062 are identical to the sign bit.
14064 2006-04-03 Jeff Law <law@redhat.com>
14066 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
14067 and operand scanning in some common cases.
14069 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
14070 Dale Johannesen <dalej@apple.com>
14073 * regclass.c (struct reg_pref): Update documentation.
14074 (regclass): Set prefclass to NO_REGS if memory is the best option.
14075 (record_reg_classes): Cope with a prefclass set to NO_REGS.
14076 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
14077 into account. For non-registers, equate an empty preferred
14078 reload class to a `!' in the constraint; move the if clause to
14079 do so after those that reject the insn.
14080 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
14082 (find_dummy_reload): Likewise.
14083 * doc/tm.texi (Register Classes): Document what it means
14084 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
14085 * config/i386/i386.c (ix86_preferred_reload_class): Force
14086 using SSE registers (and return NO_REGS for floating-point
14087 constants) if math is done with SSE.
14088 (ix86_preferred_output_reload_class): New.
14089 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
14090 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
14091 * config/i386/i386.md: Remove # register preferences.
14093 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14096 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
14097 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
14098 the type of nb_iter.
14099 (instantiate_parameters_1): Convert the operands before calling
14100 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
14101 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
14103 2006-04-02 Roger Sayle <roger@eyesopen.com>
14105 * builtins.c (dummy_object): Use build_int_cst instead of convert.
14106 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
14107 instead of convert.
14108 * dojump.c (do_jump): Likewise.
14109 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
14110 * gimplify.c (gimple_boolify, gimplify_init_constructor,
14111 gimplify_boolean_expr): Likewise.
14112 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
14113 * varasm.c (array_size_for_constructor): Likewise.
14114 * tree-object-size.c (compute_object_offset): Likewise.
14116 2006-04-02 Roger Sayle <roger@eyesopen.com>
14118 PR middle-end/26977
14119 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
14120 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
14122 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14124 PR tree-optimization/26939
14125 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
14127 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14129 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
14130 at_stmt. Convert the type of operands before calling
14131 build_polynomial_chrec.
14132 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
14133 add_to_evolution_1.
14134 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
14135 (instantiate_parameters_1): Convert the type of operands before calling
14136 build_polynomial_chrec.
14137 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
14138 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
14139 reset_evolution_in_loop): Insert asserts to check the types of the
14141 (chrec_type): Moved...
14142 (eq_evolutions_p): Use operand_equal_p.
14143 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
14144 the types of the operands.
14145 (chrec_type): ...here.
14146 * tree-data-ref.c (create_data_ref): Convert the operands before
14147 calling chrec_replace_initial_condition.
14148 (same_access_functions, analyze_subscript_affine_affine,
14149 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
14150 (compute_subscript_distance, analyze_ziv_subscript,
14151 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
14152 analyze_miv_subscript): Convert the operands before calling
14153 chrec_fold_minus or chrec_fold_plus.
14155 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14157 * tree-data-ref.c (compute_all_dependences): Use a pointer to
14158 the dependence_relations vector.
14159 (compute_data_dependences_for_loop): Adjust call to
14160 compute_all_dependences.
14162 2006-04-01 Roger Sayle <roger@eyesopen.com>
14163 Richard Henderson <rth@redhat.com>
14165 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
14166 gimple_boolify on the condition before calling gimplify_expr.
14168 2006-03-31 Bob Wilson <bob.wilson@acm.org>
14170 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
14171 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
14172 the frame size. Update to use the new macros.
14173 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
14174 * config/xtensa/ieee754-df.S: Likewise.
14176 2006-03-31 Richard Henderson <rth@redhat.com>
14178 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
14179 (make_edges): ... here. Control fallthru creation with a local
14180 variable. Do not play with fake edges.
14181 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
14182 (make_goto_expr_edges): Don't play with fake edges. Make for_call
14185 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
14187 * dwarf2.h (DW64_CIE_ID): Define.
14188 * dwarf2out.c (DWARF_CIE_ID): Define.
14189 (output_call_frame_info): Output 0xffffffff before standard 8-byte
14190 length header. Use DWARF_CIE_ID.
14191 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
14192 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
14194 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
14196 * config/sh/linux-atomic.asm: New file.
14197 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
14199 2006-03-31 DJ Delorie <dj@redhat.com>
14201 * config/m32c/cond.md: Set condition flags properly throughout.
14202 * config/m32c/minmax.md: Likewise.
14203 * config/m32c/prologue.md: Likewise.
14204 * config/m32c/bitops.md: Likewise.
14205 * config/m32c/muldiv.md: Likewise.
14206 * config/m32c/mov.md: Likewise.
14207 * config/m32c/addsub.md: Likewise.
14208 * config/m32c/m32c.md: Likewise.
14209 * config/m32c/jump.md: Likewise.
14210 * config/m32c/shift.md: Likewise.
14212 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
14213 conditionally output the pattern for this.
14214 * config/m32c/m32c.c (flags_needed_for_conditional): New.
14215 (m32c_compare_redundant): New.
14216 (m32c_output_compare): New.
14217 * config/m32c/m32c-protos.h (m32c_output_compare): New.
14219 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
14220 dest, not src. Allow other 4-byte modes.
14222 2006-03-30 Denis Chertykov <denisc@overta.ru>
14224 * doc/md.texi: Refer to avr/constraints.md instead of
14227 2006-03-30 Roger Sayle <roger@eyesopen.com>
14229 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
14230 signed vs. unsigned comparison failures on some hosts.
14232 2006-03-31 Alan Modra <amodra@bigpond.net.au>
14235 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
14236 change to FLOAT_REGS.
14238 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
14239 (rs6000_override_options): Use it.
14240 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
14241 only for -mabi=spe/no-spe and -mabi=altivec.
14243 2006-03-30 Geoffrey Keating <geoffk@apple.com>
14245 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
14248 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
14250 * Makefile.in: Rename docdir to gcc_docdir.
14252 2006-03-30 Roger Sayle <roger@eyesopen.com>
14255 * expr.c (emit_group_store): Optimize group stores into a pseudo
14256 register by using a paradoxical subreg to initialize the destination
14257 if the first or last member of the group specifies a "low part".
14259 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14262 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
14263 * target.h (struct gcc_target.speculate_insn): Change type of the
14264 second parameter to 'int'.
14265 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
14266 the second operand of the DEPS_LIST.
14267 (copy_DEPS_LIST_list): Update reference to the second operand of the
14269 * rtl.h (alloc_DEPS_LIST): Update signature.
14270 * sched-int.h (ds_t): Change typedef to 'int'.
14271 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
14273 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14275 * haifa-sched.c (try_ready): Change condition to restore
14276 non-speculative pattern of the instruction.
14277 (process_insn_depend_be_in_spec): Code to keep probability of the
14278 speculative dependence non-decreasing.
14280 2006-03-30 Jie Zhang <jie.zhang@analog.com>
14282 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
14283 (single_move_for_movmem): ... this. Also change all uses.
14284 (bfin_expand_strmov): Renamed to...
14285 (bfin_expand_movmem): ... this. Also change all uses.
14286 * config/bfin/bfin.md (movstrsi): Renamed to...
14287 (movstrsi): ...this.
14289 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
14291 PR tree-optimization/26830
14293 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
14294 (copy_prop_visit_stmt): Remove write-only variable ann.
14295 (init_copy_prop): Check variable loop depth here. Do not simulate
14296 memory-tag and virtual operand PHIs except for store copy prop.
14298 2006-03-30 Richard Guenther <rguenther@suse.de>
14300 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
14301 variants with double arguments.
14303 2006-03-29 David Edelsohn <edelsohn@gnu.org>
14305 * genpreds.c (write_tm_constrs_h): Delete variable p.
14306 * genconditions.c (write_header): Add tm-constrs.h to included
14308 * genpeep.c (main): Add toplev.h to included headers.
14309 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
14310 (build/genpeep.o): Add toplev.h dependency.
14311 * config/rs6000/constraints.md: Add "W" constraint.
14313 2006-03-29 Roger Sayle <roger@eyesopen.com>
14315 * stor-layout.c (mode_for_size_tree): Remove restiction on type
14316 sizes by correctly testing whether the size fits a host integer.
14317 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
14318 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
14319 SImode range for the default sizetype and bitsizetype.
14321 2006-03-29 Roger Sayle <roger@eyesopen.com>
14323 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
14324 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
14325 quickly if the argument is already of the correct type.
14326 Call fold_build1 instead of build1. Tidy up blank lines.
14328 2006-03-29 David Edelsohn <edelsohn@gnu.org>
14330 * genemit.c (main): Add tm-constrs.h to included headers.
14331 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
14332 * genpeep.c (main): Add tm-constrs.h to included headers.
14333 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
14334 (write_tm_constrs_h): this and write complete file.
14335 (write_tm_preds_h): Do not emit satisfies_constraint fns.
14336 (write_insn_preds_c): Add tm-constrs.h to included headers.
14337 (gen_constrs): New variable.
14338 (parse_option): Parse "-c".
14339 (main): Invoke write_tm_constrs_h.
14340 * genrecog.c (write_header): Add tm-constrs.h to included headers.
14341 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
14342 (object_out_file): Add tm-constrs.h dependency.
14343 (insn-emit.o): Same.
14344 (insn-output.o): Same.
14345 (insn-peep.o): Same.
14346 (insn-preds.o): Same.
14347 (insn-recog.o): Same.
14348 (tm-constsr.h): New target.
14349 (s-constrs-h): New target.
14351 * config/rs6000/constraints.md: New file.
14352 * config/rs6000/rs6000.c: Include tm-constrs.h.
14353 (num_insn_constant_wide): Convert to satisfies_constraint.
14354 (rs6000_rtx_costs): Convert to satisfies_constraint.
14355 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
14356 (CONST_OK_FOR_LETTER_P): Delete.
14357 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
14358 (EXTRA_CONSTRAINT): Delete.
14359 (EXTRA_MEMORY_CONSTRAINT): Delete.
14360 (EXTRA_ADDRESS_CONSTRAINT): Delete.
14361 * config/rs6000/predicates.md: Convert to satisfies_constraint.
14362 * config/rs6000/rs6000.md: Include constraints.md. Convert to
14363 satisfies_constraint.
14365 * config/i386/i386.c: Include tm-constrs.h.
14367 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
14369 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
14370 * tree-data-ref.c (find_data_references_in_loop,
14371 compute_data_dependences_for_loop): Use pointers to VEC.
14372 (analyze_all_data_dependences): Adjust calls.
14373 * tree-data-ref.h (find_data_references_in_loop,
14374 compute_data_dependences_for_loop): Adjust declarations.
14375 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
14376 compute_data_dependences_for_loop.
14378 2006-03-29 Paul Brook <paul@codesourcery.com>
14380 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
14381 (movdf_vfp): Ditto.
14383 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
14385 PR tree-optimization/26859
14386 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
14388 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
14389 for the step after fold_convert.
14391 2006-03-29 Paul Brook <paul@codesourcery.com>
14393 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
14394 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
14396 2006-03-29 Paul Brook <paul@codesourcery.com>
14398 PR middle-end/23623
14399 * targhooks.c (default_narrow_bitfield): New fuction.
14400 * targhooks.h (default_narrow_bitfield): add prototype.
14401 * target.h (gcc_target): Add narrow_volatile_bitfield.
14402 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
14403 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
14404 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
14405 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
14407 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
14409 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
14411 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
14412 (NR_C_MODES): Add TDmode, DDmode and SDmode.
14413 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
14414 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
14415 (s390_function_arg_float): Allow SDmode and DDmode values to be
14416 passed in floating point registers.
14417 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
14418 check with SCALAR_FLOAT_MODE_P.
14419 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
14421 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
14423 PR tree-optimization/25985
14424 * tree-ssa-loop-niter.c (number_of_iterations_le,
14425 number_of_iterations_ne): Make comments more precise.
14426 (number_of_iterations_cond): Add only_exit argument. Use the
14427 fact that signed variables do not overflow only when only_exit
14429 (loop_only_exit_p): New.
14430 (number_of_iterations_exit): Pass result of loop_only_exit_p to
14431 number_of_iterations_cond.
14433 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
14435 PR tree-optimization/26643
14436 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
14439 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
14441 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
14442 (divsi3_i4_int): Likewise.
14444 2006-03-28 Roger Sayle <roger@eyesopen.com>
14446 * expr.c (emit_group_store): Only create a new pseudo reg if the
14447 quantity it needs to hold isn't already a suitable pseudo.
14449 2006-03-28 Jeff Law <law@redhat.com>
14451 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
14452 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
14454 2006-03-28 Roger Sayle <roger@eyesopen.com>
14456 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
14457 the equivalent ~X & Y, and the symmetry related transformations.
14458 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
14459 ~X & Y, and symmetry related transforms.
14461 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14463 Revert my 2006-03-27 patches.
14465 2006-03-28 Roger Sayle <roger@eyesopen.com>
14467 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
14468 ~(T1)X, when T1 and T2 are integer types of the same precision
14469 and (T2)X isn't an extension.
14471 2006-03-28 Jeff Law <law@redhat.com>
14473 PR tree-optimization/26796
14474 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
14475 need EH edge cleanups rather than purging them immediately.
14476 (eliminate_degenerate_phis): Handle queued EH cleanups.
14478 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
14480 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
14483 2006-03-27 Roger Sayle <roger@eyesopen.com>
14485 PR middle-end/22524
14486 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
14487 cast BIT_NOT_EXPR operand to the correct type.
14489 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
14491 * tree-loop-linear.c: Don't include varray.h.
14492 (gather_interchange_stats, try_interchange_loops,
14493 linear_transform_loops): Use VEC instead of VARRAY.
14494 * lambda-mat.c: Don't include varray.h.
14495 * tree-chrec.c: Same.
14496 * lambda-trans.c: Same.
14497 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
14498 VEC instead of VARRAY.
14499 * tree-vectorizer.h: Idem.
14500 * tree-data-ref.c (dump_data_references,
14501 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
14502 initialize_data_dependence_relation, finalize_ddr_dependent,
14503 compute_all_dependences, find_data_references_in_loop,
14504 compute_data_dependences_for_loop, analyze_all_data_dependences,
14505 free_dependence_relation, free_dependence_relations,
14506 free_data_refs): Idem.
14507 * tree-data-ref.h (data_reference_p, subscript_p): New.
14508 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
14509 VEC instead of VARRAY.
14510 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
14511 (find_data_references_in_loop, compute_data_dependences_for_loop,
14512 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
14513 dump_data_dependence_relations, free_dependence_relations,
14514 free_data_refs): Adjust declaration.
14515 (lambda_transform_legal_p): Move declaration here...
14516 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
14517 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
14518 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
14519 vect_analyze_data_refs): Use VEC instead of VARRAY.
14520 * lambda.h (lambda_transform_legal_p): ...from here.
14521 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
14522 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
14523 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
14524 tree-chrec.o): Don't depend on VARRAY_H.
14526 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14528 * rtl.def (Copyright): Update date.
14529 (DEPS_LIST): Change type of the second operand to 'int'.
14530 * target.h (Copyright): Update date.
14531 (struct gcc_target.speculate_insn): Change type of the second parameter
14533 * lists.c (Copyright): Update date.
14534 (alloc_DEPS_LIST): Change signature. Update reference to the second
14535 operand of the DEPS_LIST.
14536 (copy_DEPS_LIST_list): Update reference to the second operand of the
14538 * rtl.h (Copyright): Update date.
14539 (alloc_DEPS_LIST): Update signature.
14540 * sched-int.h (Copyright): Update date.
14541 (ds_t): Change typedef to 'int'.
14542 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
14544 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14546 * haifa-sched.c (Copyright): Update date.
14547 (try_ready): Change condition to restore non-speculative pattern
14548 of the instruction.
14549 (process_insn_depend_be_in_spec): Code to keep probability of the
14550 speculative dependence non-decreasing.
14552 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
14554 * regrename.c (replace_oldest_value_addr): Initialize a variable to
14555 shut up the compiler.
14557 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
14559 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
14560 to use lib prefix for target.
14561 ($(T)libic_invalidate_array_4-200.a): Likewise.
14562 ($(T)libic_invalidate_array_4a.a): Likewise.
14564 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
14565 J"orn Rennecke <joern.rennecke@st.com>
14567 * superh.opt: New file.
14568 * sh.c (boardtype, osruntime): Remove.
14569 * superh.h (SUBTARGET_OPTIONS): Remove.
14570 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
14572 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
14573 arguments with ^ and/or [].
14575 * config.gcc (sh-*-*): Add quoting to account for quirk of
14577 Replace == with = in enable_incomplete_targets test.
14579 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
14580 with MASK_LITTLE_ENDIAN.
14582 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
14583 * config/sh/sh.opt: Added to some comments.
14584 * config/sh/superh.h: Removed some chaff.
14586 * config/sh/sh.opt: Add m4-[1234]00* options.
14587 * config/sh/sh.c (sh_handle_option): Likewise.
14588 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
14589 (ic_invalidate_array_4-100.o): New rule.
14590 ($(T)libic_invalidate_array_4-100.a): Likewise.
14591 (ic_invalidate_array_4-200.o): Likewise.
14592 ($(T)libic_invalidate_array_4-200.a): Likewise.
14593 (ic_invalidate_array_4a.o): Likewise.
14594 ($(T)libic_invalidate_array_4a.a): Likewise.
14595 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
14596 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
14598 * config/sh/crt1.asm: Merged in profiling code.
14599 * config/sh/superh.h (STARTFILE_SPEC): Override.
14600 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
14601 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
14602 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
14604 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
14605 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
14606 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
14608 * sh.opt (mpretend-cmove): New option.
14609 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
14610 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
14611 (movsicc): Add TARGET_PRETEND_CMOVE code.
14613 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
14615 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
14616 s390_class_max_nregs): New function prototypes.
14617 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
14618 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
14619 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
14620 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
14622 2006-03-26 Geoffrey Keating <geoffk@apple.com>
14624 * dwarf2out.c (add_location_or_const_value_attribute): Call
14625 tree_add_const_value_attribute if nothing else works.
14626 (reference_to_unused): New.
14627 (rtl_for_decl_init): Use reference_to_unused to decide whether
14628 to output an initializer.
14630 2006-03-27 Alan Modra <amodra@bigpond.net.au>
14633 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
14634 peephole removing spe frob_di_df_2.
14636 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
14638 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
14639 (subscript_dependence_tester_1): Declared.
14640 (print_dir_vectors, print_dist_vectors): New.
14641 (debug_data_dependence_relation): New.
14642 (dump_data_dependence_relation): Print more details.
14643 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
14644 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
14645 (save_dist_v, save_dir_v, add_outer_distances,
14646 build_classic_dist_vector_1): New.
14647 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
14648 Don't test for lambda_vector_lexico_pos.
14649 (same_access_functions, add_multivariate_self_dist,
14650 add_other_self_distances, dir_from_dist): New.
14651 (build_classic_dir_vector): Replace implementation almost identical to
14652 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
14654 (subscript_dependence_tester_1): New.
14655 (subscript_dependence_tester): Handle the lexicographically negative
14656 distance vectors by recomputing the dependence relation.
14657 (compute_affine_dependence): Remove parameter loop_nest_depth.
14658 (compute_self_dependence): Don't call compute_subscript_distance.
14659 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
14660 Add a parameter for the loop_nest.
14661 (find_loop_nest_1, find_loop_nest): New.
14662 (compute_data_dependences_for_loop): Compute the loop nest, and give
14663 up if the nest is not well formed.
14664 * tree-data-ref.h (loop_p): New.
14665 (struct data_dependence_relation): Replace size_vect field with
14666 loop_nest, a vec of loops.
14667 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
14668 (DDR_LOOP_NEST): New.
14669 (print_dir_vectors, print_dist_vectors,
14670 debug_data_dependence_relation): Declared.
14671 (index_in_loop_nest): New.
14672 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
14673 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
14676 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
14678 * simplify-rtx.c (simplify_relational_operation): Call
14679 simplify_relational_operation_1 even if mode is VOIDmode.
14681 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
14683 PR tree-optimization/26804
14684 * tree.h (DECL_CALL_CLOBBERED): New macro.
14685 (tree_decl_common): Add call_clobbered_flag.
14686 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
14687 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
14688 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
14689 (mark_non_addressable): Ditto.
14690 * tree-ssa.c (verify_call_clobbered): New function.
14691 (verify_alias_info): Use it.
14692 * tree-pass.h (pass_reset_cc_flags): New prototype.
14693 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
14694 (reset_cc_flags): New function.
14695 * passes.c (init_optimization_passes): Call reset_cc_flags after
14696 initializing referenced_vars.
14698 2006-03-25 Uros Bizjak <uros@kss-loka.si>
14699 Roger Sayle <roger@eyesopen.com>
14701 PR middle-end/26717
14702 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
14703 to 1.0 for non-real operands. Implement A / A optimization for
14706 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
14708 * config/i386/i386.c (size_cost): Correct the comment for
14709 cost of storing fp registers.
14710 (i386_cost): Likewise.
14711 (i486_cost): Likewise.
14712 (pentium_cost): Likewise.
14713 (pentiumpro_cost): Likewise.
14714 (k6_cost): Likewise.
14715 (athlon_cost): Likewise.
14716 (k8_cost): Likewise.
14717 (pentium4_cost): Likewise.
14718 (nocona_cost): Likewise.
14719 (generic64_cost): Likewise.
14720 (generic32_cost): Likewise.
14722 2006-03-24 Denis Chertykov <denisc@overta.ru>
14724 * config/avr/avr-protos.h (extra_constraint): Delete.
14725 (extra_constraint_Q): New declaration.
14726 * config/avr/constraints.md: New file.
14727 * config/avr/avr.md: Include it.
14728 (REG_X, REG_Y, REG_Z, REG_W): New constants.
14729 (TMP_REGNO, ZERO_REGNO): Likewise.
14730 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
14731 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
14732 (extra_constraint): Delete.
14733 (extra_constraint_Q): Test for memory constraint 'Q'.
14734 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
14735 (REG_CLASS_FROM_LETTER): Delete.
14736 (CONST_OK_FOR_LETTER_P): Delete.
14737 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
14738 (EXTRA_CONSTRAINT): Delete.
14739 (TMP_REGNO): Delete.
14740 (ZERO_REGNO): Delete.
14742 2006-03-24 Jeff Law <law@redhat.com>
14744 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
14745 directly. Call mark_new_vars_to_rename slightly earlier.
14747 2006-03-24 Geoffrey Keating <geoffk@apple.com>
14749 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
14750 (is_cxx): Likewise.
14751 (gen_compile_unit_die): Use new language types for Objective-C and
14753 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
14754 DW_LANG_C_plus_plus.
14757 * config/t-darwin (crt3.o): Work around bug 26840.
14758 * config/darwin-crt3.c: Rewrite.
14759 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
14761 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
14763 * doc/invoke.texi: Document -femit-class-debug-always
14764 * common.opt: Add -femit-class-debug-always.
14766 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
14768 * config/s390/s390.c (s390_decompose_address): Allow SImode for
14769 index and base register.
14770 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
14771 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
14772 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
14773 REGNO_OK_FOR_INDEX_P.
14774 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
14776 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
14777 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
14778 REG_OK_FOR_BASE_P): Definitions removed.
14780 2006-03-24 Jakub Jelinek <jakub@redhat.com>
14782 PR middle-end/26611
14783 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
14784 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
14785 set yet or weren't marked as local yet.
14787 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
14789 * regrename.c (scan_rtx_address): Initialize a variable to shut up
14792 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
14794 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
14795 (rs6000_legitimate_small_data_p): Delete.
14796 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
14797 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
14798 and make static. Add forward declaration. Update uses.
14799 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
14800 of offsettable_memref_p.
14801 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
14802 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
14804 2006-03-24 Jeff Law <law@redhat.com>
14806 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
14807 around bug in immediate-use iterator.
14809 2006-03-24 Alan Modra <amodra@bigpond.net.au>
14812 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
14813 or __LITTLE_ENDIAN__.
14815 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
14817 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
14818 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
14819 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
14820 * config/sh/sh.opt (mdiv=): Amend description.
14821 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
14822 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
14823 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
14824 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
14825 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
14826 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
14827 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
14828 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
14829 TARGET_DIVIDE_CALL_FP.
14831 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14833 * haifa-sched.c (choose_ready): Fix type of the local variable.
14834 Move local variables. Add comment.
14835 (check_reg_live): Change signature. Make callable from debugger.
14836 * sched-int.h (check_reg_live): Update signature.
14837 * sched-ebb.c (check_reg_live): Update parameters.
14838 * sched-rgn.c (check_reg_live): Ditto.
14839 (region_head_or_leaf_p): Check pointer before dereferencing.
14840 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
14841 before reload on optimization levels below 1.
14843 2006-03-23 Richard Henderson <rth@redhat.com>
14845 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
14849 * config/alpha/predicates.md (local_symbolic_operand): Reject
14852 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
14855 * tree-ssa-pre.c (create_value_expr_from): Don't reject
14856 expressions which have overflowed constants.
14858 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
14860 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
14862 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
14864 * cfgloopmanip.c (create_loop_notes): Removed.
14865 * final.c (final_scan_insn): Do not handle loop notes.
14866 * jump.c (squeeze_notes): Ditto.
14867 * cfglayout.c (skip_insns_after_block,
14868 duplicate_insn_chain): Ditto.
14869 * cfgcleanup.c (rest_of_handle_jump2): Do not call
14871 * cfgloop.h (create_loop_notes): Declaration removed.
14873 2006-03-23 Richard Sandiford <richard@codesourcery.com>
14875 * varasm.c (output_constant_pool): Restore fnname and fndecl
14877 (assemble_start_function): Adjust call accordingly.
14878 (assemble_end_function): Likewise.
14880 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14883 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
14886 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
14888 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14891 * system.h (ICE_EXIT_CODE): New macro.
14892 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
14893 (diagnostic_action_after_output): Likewise.
14894 * gcc.c (fatal_ice): New function.
14895 (execute): Use it instead of fatal.
14896 (fancy_abort): Likewise.
14897 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
14899 2006-03-22 Jeff Law <law@redhat.com>
14901 * loop-unroll.c (analyze_iv_to_split_insn): Handle
14902 iv_analyze_result returning false.
14904 2006-03-22 Jie Zhang <jie.zhang@analog.com>
14906 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
14908 2006-03-22 Richard Henderson <rth@redhat.com>
14910 PR middle-end/26084
14911 * except.c (duplicate_eh_regions_0): New.
14912 (duplicate_eh_region_1): Duplicate the children of the node as
14913 well as the node itself. Link them up properly.
14914 (duplicate_eh_region_2): Merge into ...
14915 (duplicate_eh_regions): ... here. Take copy_region argument, and
14916 copy only a sub-tree if asked. Simplify copying and fixup.
14917 (eh_region_outer_p): New.
14918 * except.h (duplicate_eh_regions): Update decl.
14919 (eh_region_outer_p): Declare.
14920 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
14921 (lower_omp_master): Likewise.
14922 (lower_omp_ordered): Likewise.
14923 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
14924 (move_stmt_r): Use it to remap labels. Handle recursion vs
14925 remap_decls_p properly.
14926 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
14927 (find_outermost_region_in_block): New.
14928 (new_label_mapper): New.
14929 (move_sese_region_to_fn): Copy eh information to the new function
14931 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
14933 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
14936 2006-03-22 Richard Sandiford <richard@codesourcery.com>
14938 * doc/md.texi (-mshared): Mention that -mshared code can be linked
14939 into shared libraries.
14941 2006-03-22 Richard Sandiford <richard@codesourcery.com>
14943 * doc/md.texi: Refer to i386/constraints.md instead of
14944 i386/predicates.md.
14945 * config/i386/constraints.md: New file, extracted from...
14946 * config/i386/predicates.md: ...here.
14947 * config/i386/i386.md: Include constraints.md.
14949 2006-03-21 Jason Merrill <jason@redhat.com>
14951 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
14953 PR middle-end/20297
14954 * expr.c (init_block_move_fn): Force default visibility.
14955 (init_block_clear_fn): Likewise.
14956 * builtins.c (expand_builtin_fork_or_exec): Likewise.
14957 * targhooks.c (default_external_stack_protect_fail): Likewise.
14959 2006-03-21 Richard Sandiford <richard@codesourcery.com>
14961 * config/mips/predicates.md (const_call_insn_operand): Allow direct
14962 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
14963 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
14964 Use TARGET_OLDABI instead of !TARGET_NEWABI.
14965 (loadgp): Use mips_current_loadgp_style.
14966 (loadgp_noshared): New pattern.
14967 (sibcall_internal): Use MIPS_CALL.
14968 (sibcall_value_internal): Likewise.
14969 (sibcall_value_multiple_internal): Likewise.
14970 (call_internal): Likewise.
14971 (call_value_internal): Likewise.
14972 (call_value_multiple_internal): Likewise.
14973 (call_split): Use MIPS_CALL and add an 'S' constraint.
14974 (call_value_split): Likewise.
14975 (call_value_multiple_split): Likewise.
14976 * config/mips/mips.opt (-mabicalls): Tweak docstring.
14977 (-mshared): New option.
14978 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
14979 (mips_current_loadgp_style): Declare.
14980 * config/mips/mips.c (mips_classify_symbol): Avoid using
14981 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
14982 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
14983 TARGET_ABSOLUTE_ABICALLS.
14984 (override_options): Adjust comments. Improve the warning that is
14985 issued when -mabicalls and -G are used together.
14986 (mips_file_start): Remove comment.
14987 (mips_current_loadgp_style): New function.
14988 (mips_gnu_local_gp): New variable.
14989 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
14991 (mips_output_function_prologue): Use mips_current_laodgp_style.
14992 (mips_expand_prologue): Call mips_emit_loadgp before emitting
14993 the cprestore instruction.
14994 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
14995 live for TARGET_ABSOLUTE_ABICALLS.
14996 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
14997 (ASM_SPEC): Pass down -mshared and -mno-shared.
14998 (MIPS_CALL): New macro.
14999 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
15001 * doc/invoke.texi (-mabicalls): Update documentation.
15002 (-mshared): Document.
15004 2006-03-21 Steve Ellcey <sje@cup.hp.com>
15006 * config/ia64/unwind-hpux.c: New file.
15007 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
15009 2006-03-21 Steve Ellcey <sje@cup.hp.com>
15012 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
15014 2006-03-21 Jeff Law <law@redhat.com>
15016 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
15017 type conversions of a VR_VARYING source to a wider type.
15019 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
15021 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
15022 tm_file on Solaris 10 and later.
15023 (sparc64-*-solaris2*): Likewise.
15024 (sparc-*-solaris2*): Likewise.
15025 * config/sol26.h: Rename to config/sol2-6.h.
15026 * config/sol2-10.h: New file.
15028 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
15031 * tree-ssa-pre.c (create_component_ref_by_pieces):
15034 2006-03-21 Jakub Jelinek <jakub@redhat.com>
15037 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
15038 return it immediately.
15040 2006-03-21 Michael Matz <matz@suse.de>
15042 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
15044 (remove_arc, add_arc): Update num_out_arcs member.
15045 (set_out_arc_insns_equiv_num): Returns nothing instead of number
15047 (cache_presence): New function.
15048 (compare_states_for_equiv): New function.
15049 (state_is_differed): Don't take number of outargs, adjust callers.
15050 Use new invariant for speeding up.
15051 (init_equiv_class): Create initial classes based on sorted
15053 (partition_equiv_class): Don't track out_arcs_num.
15054 (evaluate_equiv_classes): Call cache_presence on all states and
15057 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
15059 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
15060 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
15061 (bfin_valid_reg_p): Test for pseudos explicitly and use only
15062 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
15064 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
15065 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
15066 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
15067 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
15068 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
15070 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
15071 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
15072 (REGNO_REG_CLASS): ARGP is in PREGS.
15073 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
15075 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
15076 to deal with those addresses.
15077 * addresses.h: New file.
15078 * caller-save.c: Include "addresses.h".
15079 (init_caller_save): Use new base_reg_class function.
15080 * rtl-factoring.c: Include "addresses.h".
15081 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
15082 * recog.c: Include "addresses.h".
15083 (preprocess_constraints): Use new base_reg_class function.
15084 * regrename.c: Include "addresses.h".
15085 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
15086 functions. Keep track of a new var INDEX_CODE to compute valid
15088 (replace_oldest_value_addr): Likewise.
15089 (replace_oldest_value_mem): Use base_reg_class.
15090 * reload.c: Include "addresses.h".
15091 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
15092 (find_reloads): Use new base_reg_class function.
15093 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
15094 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
15095 all callers and prototype changed.
15096 * reload1.c: Include "addresses.h".
15097 (maybe_fix_stack_asms): Use base_reg_class.
15098 * regclass.c: Include "addresses.h".
15099 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
15100 (init_reg_autoinc): Use new base_reg_class function.
15101 (record_reg_classes): Likewise.
15102 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
15103 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
15104 Use new args to compute necessary class.
15106 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
15107 regrename.o, rtl-factoring.o): Update dependencies.
15108 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
15109 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
15110 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
15111 REG_OK_FOR_INDEX_P): Delete documentation.
15113 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
15115 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
15116 from V7 to V9 for Solaris 7 and above.
15118 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
15120 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
15121 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
15122 argument pointers may not alias any other storage.
15123 * common.opt: Define option -fargument-noalias-anything.
15124 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
15125 alias semantics is specified by flag_argument_noalias > 2.
15127 2006-03-20 Jeff Law <law@redhat.com>
15129 * tree-pass.h (pass_phi_only_copy_prop): Delete.
15130 (pass_phi_only_cprop): Declare.
15131 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
15132 with phi_only_cprop
15133 * tree-ssa-dom.c (degenerate_phi_result): New function.
15134 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
15135 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
15136 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
15137 (eliminate_degenerate_phis): Likewise.
15138 (pass_phi_only_cprop): New pass descriptor.
15139 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
15140 support code. Callers updated.
15141 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
15142 (store_copy_prop): Likewise.
15143 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
15145 2006-03-20 Jason Merrill <jason@redhat.com>
15148 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
15149 (push_visibility, pop_visibility): Likewise.
15150 * c-pragma.h: Declare them.
15152 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
15154 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
15156 * config/sh/sh.c (find_regmode_weight): Change the type of the first
15157 parameter and use get_ebb_head_tail.
15158 (sh_md_init_global): Adjust uses of find_regmode_weight.
15160 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
15162 * function.h (struct function) <x_tail_recursion_reentry>:
15163 Rename to x_stack_check_probe_note.
15164 (tail_recursion_reentry): Rename to stack_check_probe_note.
15165 * function.c: Replace tail_recursion_reentry with
15166 stack_check_probe_note everywhere.
15167 (expand_function_start): Only emit a note for
15168 stack_check_probe_note with -fstack-protect.
15169 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
15171 * emit-rtl.c (remove_unnecessary_notes): Remove.
15172 (pass_remove_unnecessary_notes): Remove.
15173 * rtl.h (remove_unnecessary_notes): Remove prototype.
15174 * final.c (final_start_function): Don't call remove_unnecessary_notes.
15175 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
15176 * passes.c (pass_remove_unnecessary_notes): Don't run it.
15178 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
15181 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
15182 (valid_in_set): Handle ARRAY_REF.
15183 Change "if min_variant or VH" to asserts.
15184 (create_component_ref_by_pieces): Handle ARRAY_REF.
15185 (create_expression_by_pieces): Likewise.
15186 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
15188 2006-03-20 David Edelsohn <edelsohn@gnu.org>
15190 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
15191 is operand of switch, not str[0].
15193 2006-03-20 Alan Modra <amodra@bigpond.net.au>
15195 * config/rs6000/rs6000.c (rs6000_handle_option): Use
15196 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
15198 2006-03-19 David Edelsohn <edelsohn@gnu.org>
15200 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
15201 end of insn_extra_address_constraint declaration.
15203 2006-03-19 David Edelsohn <edelsohn@gnu.org>
15205 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
15206 (no-sum-in-toc): Same.
15207 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
15209 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
15210 NO_FP_IN_TOC for -fPIC instead of mask.
15212 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
15213 (BOOT_LDFLAGS): Delete.
15215 * config/rs6000/t-aix52: Same.
15217 * config/rs6000/rs6000.md (store_multiple_power): Delete.
15218 (stmsi[345678]_power): New.
15220 2006-03-17 Steve Ellcey <sje@cup.hp.com>
15222 * config/ia64/ia64.opt: Add empty line to end of file.
15224 2006-03-17 Richard Guenther <rguenther@suse.de>
15226 PR middle-end/26721
15227 * builtins.c (get_pointer_alignment): For component style references
15228 adjust alignment to the component type alignment. Make sure
15229 to adjust alignment for component access of constants.
15231 2006-03-17 David Edelsohn <edelsohn@gnu.org>
15233 * config/rs6000/rs6000.md (strlensi): Emit barrier after
15234 unconditional jump.
15236 2006-03-17 Paul Brook <paul@codesourcery.com>
15238 * doc/install.texi: Docuemnt --with-mode.
15239 * config.gcc: Add --with-mode for arm*-*-*.
15240 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
15242 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
15244 * sh.c (max_labelno_before_reorg): New variable.
15245 (sh_reorg): Initialize it.
15246 (find_barrier): Check max_labelno_before_reorg before using
15247 label_to_alignment. Take length of explicit alignment insns
15248 into account. When seeing a UNSPECV_CONST_END, return it.
15250 * sh.c (fixup_mova): Set mode of affected label to QImode.
15251 (untangle_mova): New function.
15252 (find_barrier): Use it. Check mode of label before decrementing
15254 (sh_reorg): Likewise.
15255 Set mode of all insns back to VOIDmode.
15257 * sh.c (MOVA_LABELREF): New macro.
15258 (mova_p, fixup_mova, sh_reorg): Use it.
15259 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
15260 ADDR_DIFF_VEC matches mova.
15262 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
15264 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
15265 with ATTRIBUTE_UNUSED.
15267 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
15269 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
15270 pointer, instead of assuming it is possible to derive the
15271 correct args size from a call insn.
15273 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
15275 * rtl.h (CONST_INT_P): Define.
15276 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
15277 instead of GET_CODE(x) == CONST_INT.
15278 (vax_rtx_costs): Likewise.
15279 (vax_output_int_move): Likewise.
15280 (vax_output_int_add): Likewise.
15281 (legitimate_constant_address_p): Likewise.
15282 (index_term_p): Likewise.
15283 * config/vax/vax.h (PRINT_OPERAND): Likewise.
15284 * config/vax/vax.md (and<mode>3): Likewise.
15285 (ashrsi3): Likewise.
15287 (movstricthi): Likewise.
15288 (movstrictqi): Likewise.
15289 (rotrsi3): Likewise.
15290 (five unnamed insns): Likewise.
15292 2006-03-16 Geoffrey Keating <geoffk@apple.com>
15294 * doc/tm.texi (SDB and DWARF): Add extra parameter to
15295 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
15296 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
15297 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
15298 Pass to ASM_OUTPUT_DWARF_OFFSET.
15299 * dwarf2out.c (debug_frame_section): New.
15300 (output_call_frame_info): Use debug_frame_section. Pass it to
15301 dw2_asm_output_offset.
15302 (output_die): Pass appropriate section to dw2_asm_output_offset.
15303 (output_compilation_unit_header): Likewise.
15304 (output_pubnames): Likewise.
15305 (output_aranges): Likewise.
15306 (enum dw_val_class): Break dw_val_class_lbl_offset into
15307 dw_val_class_lineptr and dw_val_class_macptr.
15308 (add_AT_lbl_offset): Delete.
15309 (add_AT_lineptr): New.
15310 (add_AT_macptr): New.
15311 (AT_lbl): Expect a lineptr or macptr.
15312 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
15313 (attr_checksum): Likewise.
15314 (same_dw_val_p): Likewise.
15315 (size_of_die): Likewise.
15316 (value_format): Likewise.
15317 (output_die): Likewise.
15318 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
15320 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
15321 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
15322 * config/darwin-protos.h (darwin_file_start): New.
15323 (darwin_asm_output_dwarf_offset): New.
15324 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
15325 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
15327 * config/darwin.c (darwin_emit_unwind_label): Don't output label
15328 if not EH section; simplify.
15329 (darwin_file_start): New.
15330 (darwin_asm_output_dwarf_offset): New.
15331 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
15333 (DEBUG_INFO_SECTION): Likewise.
15334 (DEBUG_ABBREV_SECTION): Likewise.
15335 (DEBUG_ARANGES_SECTION): Likewise.
15336 (DEBUG_MACINFO_SECTION): Likewise.
15337 (DEBUG_LINE_SECTION): Likewise.
15338 (DEBUG_LOC_SECTION): Likewise.
15339 (DEBUG_PUBNAMES_SECTION): Likewise.
15340 (DEBUG_STR_SECTION): Likewise.
15341 (DEBUG_RANGES_SECTION): Likewise.
15342 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
15343 (ASM_OUTPUT_DWARF_OFFSET): New.
15345 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
15347 * config.gcc (tm_defines): Always add to previous value rather
15350 2006-03-16 Richard Sandiford <richard@codesourcery.com>
15352 * config/mips/predicates.md (splittable_const_int_operand): New,
15353 split from move_operand.
15354 (splittable_symbolic_operand): New.
15355 (move_operand): Add commentary. Use splittable_const_int_operand.
15356 Inline mips_atomic_symbolic_constant_p.
15357 * config/mips/mips.md: Add combine splitters for handling moves
15358 of splittable_const_int_operands and splittable_symbolic_operands.
15359 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
15360 (mips_split_symbol): Declare.
15361 (mips_move_integer): Declare.
15362 * config/mips/mips.c (mips_split_p): Make global.
15363 (TARGET_MIN_ANCHOR_OFFSET): Override default.
15364 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
15365 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
15366 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
15367 (mips_offset_within_object_p): Handle block symbols.
15368 (mips_atomic_symbolic_constant_p): Delete.
15369 (mips_cannot_force_const_mem): Return false for constants that
15370 mips_legitimize_move can handle.
15371 (mips_use_blocks_for_constant_p): New function.
15372 (mips_split_symbol): Make global.
15373 (mips_move_integer): Likewise. Add a temporary register argument.
15374 (mips_legitimize_const_move): Use splittable_const_int_operand and
15375 splittable_symbolic_operand.
15376 (mips_use_anchors_for_symbol_p): New function.
15377 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
15378 (mips_split_p): Declare.
15380 2006-03-16 Richard Sandiford <richard@codesourcery.com>
15382 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
15383 (mips*-*-linux*): Likewise.
15385 2006-03-16 Roger Sayle <roger@eyesopen.com>
15386 Daniel Speyer <dspeyer@wam.umd.edu>
15388 PR middle-end/18259
15389 * tree-dump.c (dump_real): New function.
15390 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
15391 * Makefile.in (REAL_H): New macro for dependencies on real.h.
15392 (tree-dump.o): Add $(REAL_H) to the dependencies.
15394 2006-03-16 Roger Sayle <roger@eyesopen.com>
15396 PR middle-end/21781
15397 * real.c (real_from_string): If the mantissa is zero, don't bother
15398 parsing the exponent as the result should always be zero.
15400 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
15402 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
15404 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15406 * config/ia64/ia64.c (stops_p): Added explicit initialization.
15407 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
15408 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
15409 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
15410 ia64_sched_finish_global): New static functions to implement
15411 hooks from gcc_target.sched.
15412 (spec_check_no, max_uid, pending_data_specs): New static variables.
15413 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
15414 ia64_spec_check_src_p): New static functions.
15415 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
15416 (TARGET_SCHED_ADJUST_COST): Removed.
15417 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
15418 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
15419 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
15420 TARGET_SCHED_GEN_CHECK,
15421 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15422 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
15423 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
15424 Fixed to handle speculation checks.
15425 (rtx_needs_barrier): Fixed to handle speculative loads and
15427 (ia64_variable_issue): Added code to count speculative loads and their
15429 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
15431 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
15433 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
15435 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
15436 (ia64_reorg): Reset stops_p to NULL after it is freed.
15437 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
15438 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
15439 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
15441 (data_speculative, control_speculative, check_load): New attributes.
15442 (mov<mode>_advanced, mov<mode>_speculative,
15443 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
15444 zero_extend<mode>di2_speculative,
15445 zero_extend<mode>di2_speculative_advanced): New patterns for
15446 data and control speculative loads.
15447 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
15449 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
15450 New pattern for data and control speculation checks.
15451 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
15452 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
15453 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
15454 Auxiliary definitions for the patterns.
15455 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
15456 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
15458 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
15460 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
15461 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
15462 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
15463 New resource constraints.
15464 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
15466 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
15467 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
15468 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
15469 msched-in-control-spec, msched-ldc, msched-control-ldc,
15470 msched-spec-verbose, msched-prefer-non-data-spec-insns,
15471 msched-prefer-non-control-spec-insns,
15472 msched-count-spec-in-critical-path): New flags to tune speculative
15474 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
15475 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
15476 msched-in-control-spec, msched-ldc, msched-control-ldc,
15477 msched-spec-verbose, msched-prefer-non-data-spec-insns,
15478 msched-prefer-non-control-spec-insns,
15479 msched-count-spec-in-critical-path): Document new flags.
15481 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15483 * target.h (struct spec_info_def): New opaque declaration.
15484 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
15485 speculate_insn, needs_block_p, gen_check,
15486 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
15487 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
15488 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
15489 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
15490 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15491 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
15493 (TARGET_SCHED): Use new macros.
15494 * rtl.h (copy_DEPS_LIST_list): New prototype.
15495 * sched-int.h (struct sched_info): Change signature of new_ready field,
15496 adjust all initializations. New fields: add_remove_insn,
15497 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
15498 region_head_or_leaf_p.
15499 (struct spec_info_def): New structure declaration.
15500 (spec_info_t): New typedef.
15501 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
15502 recovery_block, orig_pat.
15503 (glat_start, glat_end): New variables declaraions.
15504 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
15506 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
15507 DETACH_LIFE_INFO, USE_GLAT.
15508 (enum SPEC_SCHED_FLAGS): New enumeration.
15509 (NOTE_NOTE_BB_P): New macro.
15510 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
15511 attach_life_info, debug_spec_status, check_reg_live): New functions.
15512 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
15513 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
15515 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
15516 * ddg.c (get_block_head_tail): Adjust all uses.
15517 * modulo-sched.c (get_block_head_tail): Adjust all uses.
15518 (sms_sched_info): Initialize new fields.
15519 (contributes_to_priority): Removed.
15520 * haifa-sched.c (params.h): New include.
15521 (get_block_head_tail): Adjust all uses.
15522 (ISSUE_POINTS): New macro.
15523 (glat_start, glat_end): New global variables.
15524 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
15525 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
15526 old_last_basic_block, before_recovery, current_sched_info_var,
15527 rgn_n_insns, luid): New static variables.
15528 (insn_cost1): New function. Move logic from insn_cost to here.
15529 (find_insn_reg_weight1): New function. Move logic from
15530 find_insn_reg_weight to here.
15531 (reemit_notes, move_insn, max_issue): Change signature.
15532 (move_insn1): Removed.
15533 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
15534 extend_bb): New static functions to support extension of scheduler's
15536 (generate_recovery_code, process_insn_depend_be_in_spec,
15537 begin_speculative_block, add_to_speculative_block,
15538 init_before_recovery, create_recovery_block, create_check_block_twin,
15539 fix_recovery_deps): New static functions to support
15540 generation of recovery code.
15541 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
15542 restore_bb_notes, move_block_after_check, move_succs): New static
15543 functions to support ebb scheduling.
15544 (init_glat, init_glat1, attach_life_info1, free_glat): New static
15545 functions to support handling of register live information.
15546 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
15547 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
15548 add_jump_dependencies): New static functions.
15549 (check_cfg, has_edge_p, check_sched_flags): New static functions for
15550 consistancy checking.
15551 (debug_spec_status): New function to call from debugger.
15552 (priority): Added code to handle speculation checks.
15553 (rank_for_schedule): Added code to distinguish speculative instructions.
15554 (schedule_insn): Added code to handle speculation checks.
15555 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
15556 Fixed to handle ebbs.
15557 (move_insn): Added code to handle ebb scheduling.
15558 (max_issue): Added code to use ISSUE_POINTS of instructions.
15559 (choose_ready): Added code to choose between speculative and
15560 non-speculative instructions.
15561 (schedule_block): Added code to handle ebb scheduling and scheduling of
15562 speculative instructions.
15563 (sched_init): Initialize new variables.
15564 (sched_finish): Free new variables. Print statistics.
15565 (try_ready): Added code to handle speculative instructions.
15566 * lists.c (copy_DEPS_LIST_list): New function.
15567 * sched-deps.c (extend_dependency_caches): New function. Move logic
15568 from create_dependency_caches to here.
15569 (get_dep_weak, ds_merge): Make global.
15570 * genattr.c (main): Code to output prototype for
15571 dfa_clear_single_insn_cache.
15572 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
15573 (output_dfa_clean_insn_cache_func): Code to output
15574 dfa_clear_single_insn_cache function.
15575 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
15577 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
15579 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
15580 New static variables.
15581 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
15582 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
15584 (ebb_sched_info): Initialize new fields.
15585 (get_block_head_tail): Adjust all uses.
15586 (compute_jump_reg_dependencies): Fixed to use glat_start.
15587 (schedule_ebb): Code to remove unreachable last block.
15588 (schedule_ebbs): Added code to update register live information.
15589 * sched-rgn.c (region_sched_info): Initialize new fields.
15590 (get_block_head_tail): Adjust all uses.
15591 (last_was_jump): Removed. Adjust users.
15592 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
15593 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
15594 Implement new hooks.
15595 (check_dead_notes1): New static function.
15596 (struct region): New fields: dont_calc_deps, has_real_ebb.
15597 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
15598 (BB_TO_BLOCK): Fixed to handle EBBs.
15599 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
15600 (ebb_head): New static variable.
15601 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
15602 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
15604 (compute_dom_prob_ps): New assertion.
15605 (check_live_1, update_live_1): Fixed to work with glat_start instead of
15606 global_live_at_start.
15607 (init_ready_list): New assertions.
15608 (can_schedule_ready_p): Split update code to begin_schedule_ready.
15609 (new_ready): Add support for BEGIN_CONTROL speculation.
15610 (schedule_insns): Fixed code that updates register live information
15612 (schedule_region): Fixed to handle EBBs.
15613 (init_regions): Use extend_regions and check_dead_notes1.
15614 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
15615 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
15616 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
15617 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
15618 TARGET_SCHED_GEN_CHECK,
15619 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15620 TARGET_SCHED_SET_SCHED_FLAGS): Document.
15621 * doc/invoke.texi (max-sched-insn-conflict-delay,
15622 sched-spec-prob-cutoff): Document.
15624 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15626 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
15627 inter_tick, queue_index.
15628 (struct sched_info): Change signature of init_ready_list field.
15629 Adjust all initializations.
15630 (RESOLVED_DEPS): New access macro.
15631 (ready_add): Remove prototype.
15632 (try_ready): Add prototype.
15633 * sched-rgn.c (init_ready_list): Use try_ready.
15634 (schedule_region): Initialize
15635 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
15636 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
15637 (init_ready_list): Use try_ready.
15638 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
15639 * lists.c (remove_list_elem): Remove `static'.
15640 (remove_free_INSN_LIST_elem): New function.
15641 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
15642 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
15643 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
15645 (readyp): New variable.
15646 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
15647 change_queue_index, resolve_dep): New static functions.
15648 (try_ready): New function. Adjust callers in sched-rgn.c and
15649 sched-ebb.c to use it instead of ready_add.
15650 (clock_var): Move at the begining of file.
15651 (rank_for_schedule): Fix typo.
15652 (queue_insn): Add assertion. Handle QUEUE_INDEX.
15653 (ready_lastpos): Enforce assertion.
15654 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
15655 update all callers.
15656 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
15657 (schedule_insn): Rewrite to use try_ready and resolve_dep.
15658 (queue_to_ready): Use free_INSN_LIST_list.
15659 (early_queue_to_ready): Fix typo.
15660 (schedule_block): Init readyp. Move init_ready_list call after the
15661 initialization of clock_var. Fix error in rejecting insn by
15662 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
15663 that previously corrected INSN_TICKs. Add code for handling
15665 (set_priorities): Fix typo.
15666 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
15667 Clarify comment and code that keeps current_sched_info->next_tail
15670 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15672 * sched-rgn.c (extend_rgns): New static function.
15673 (find_rgns): Use it.
15674 (gather_region_statistics, print_region_statistics): New static
15676 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
15677 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
15679 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15680 Andrey Belevantsev <abel@ispras.ru>
15682 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
15683 * lists.c (unused_deps_list): New variable.
15684 (free_list): Add assertions to verify the proper distinguishing
15685 between INSN_LISTs and DEPS_LISTs.
15686 (find_list_elem, remove_list_elem, remove_list_node): New static
15688 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
15689 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
15690 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
15691 (alloc_INSN_LIST): Assert that the list we're working on is indeed
15693 (free_INSN_LIST_node): Likewise.
15694 * modulo-sched.c (current_sched_info): Initialize flags field.
15695 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
15696 * rtl.def (DEPS_LIST): Define.
15697 * rtl.h: Declare new functions from lists.c.
15698 * sched-deps.c (spec_dependency_cache): New static variable.
15699 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
15700 (add_dependence): Change return type to void. Move the logic to ...
15701 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
15702 (delete_all_dependences): Add comment about forward_dependency_cache.
15703 Handle spec_dependency_cache. Handle DEPS_LISTs.
15704 (fixup_sched_groups): Clarify the change of priority of output
15705 and anti dependencies.
15706 (sched_analyze_2): Adjust add_dependence calls to create data
15707 speculative dependence.
15708 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
15709 Adjust all callers. Handle DEPS_LISTS.
15710 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
15711 presence of speculation.
15712 (init_dependency_caches, free_dependency_caches):
15713 Handle spec_dependency_cache.
15714 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
15715 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
15716 New static functions.
15717 (add_or_update_back_dep, add_or_update_back_forw_dep,
15718 add_back_forw_dep, delete_back_forw_dep): New functions.
15719 * sched-int.h (ds_t, dw_t): New typedefs.
15720 (struct sched_info): Add new field flags.
15721 (struct haifa_insn_data): Add new bitfield has_internal_dep.
15722 Prototype new sched-deps.c functions.
15723 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
15724 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
15725 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
15726 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
15727 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
15728 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
15730 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
15732 * sched-rgn.c (current_sched_info): Initialize flags field.
15733 (schedule_insns): Initialize current_sched_info before the sched_init
15735 * sched-ebb.c (current_sched_info): Initialize flags field.
15736 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
15737 Call add_or_update_back_dep instead of add_dependence.
15738 Create control speculative dependencies.
15739 (schedule_insns): Initialize current_sched_info before the sched_init
15742 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
15744 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
15746 (sh_fallback_frame_state): Likewise.
15748 2006-03-15 Geoffrey Keating <geoffk@apple.com>
15750 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
15751 Do switch on default_use_cxa_atexit.
15752 (powerpc*-*-darwin*): Build crt2.o on powerpc.
15753 * config/darwin-crt3.o: New.
15754 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
15755 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
15756 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
15758 * config/rs6000/t-darwin: Move crt2.o building to here.
15759 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
15760 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
15763 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
15765 * config/vax/vax.c (nonindexed_address_p): Change logical negation
15766 from '! xxx' to '!xxx' for coding-style conformance.
15767 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
15768 (EXTRA_CONSTRAINT): Likewise.
15769 * config/vax/vax.md (four unnamed insns): Likewise.
15771 2006-03-15 Paul Brook <paul@codesourcery.com>
15773 * config/arm/arm.c (minipool_pad): New.
15774 (add_minipool_forward_ref): Include pool alignment padding in address
15776 (push_minipool_fix): Set minipool_pad.
15777 (minipool_pad): Ditto.
15779 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
15781 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
15782 instead of GET_CODE() == MEM and REG_P() instead of
15784 (print_operand_address): Likewise.
15785 (vax_address_cost): Likewise.
15786 (vax_rtx_costs): Likewise.
15787 (vax_notice_update_cc): Likewise.
15788 (vax_output_int_add): Likewise.
15789 (INDEX_REGISTER_P): Likewise.
15790 (BASE_REGISTER_P): Likewise.
15791 (nonindexed_address_p): Likewise.
15792 (vax_mode_dependent_address_p): Likewise.
15793 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
15794 (PRINT_OPERAND): Likewise.
15795 * config/vax/vax.md (ashlsi3): Likewise.
15796 (ashlsi3): Likewise.
15797 (some more unnamed insns): Likewise.
15799 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
15801 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
15802 iterator-style macro.
15803 (mark_control_dependent_edges_necessary): Update the use of
15804 EXECUTE_IF_CONTROL_DEPENDENT.
15806 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
15808 * config/sh/predicates.md (cache_address_operand): Special.
15809 (ua_address_operand): Likewise.
15811 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
15813 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
15815 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
15817 2006-03-15 Andreas Schwab <schwab@suse.de>
15819 * gensupport.c (identify_predicable_attribute): Don't free p_false
15820 when it is still in use.
15822 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
15824 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
15825 the default setting here.
15827 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
15829 * tree-pass.h (pass_cfg): Remove.
15830 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
15831 * passes.c (pass_cfg): Don't run it.
15833 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
15835 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
15836 * reg-stack.c (stack_regs_mentioned_data): Change the type to
15838 (stack_regs_mentioned): Update the uses of
15839 stack_regs_mentioned_data. Don't access the array beyond its
15841 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
15842 Don't include gt-reg-stack.h.
15844 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
15845 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
15847 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
15849 PR middle-end/26684
15850 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
15853 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15855 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
15857 2006-03-14 Richard Guenther <rguenther@suse.de>
15859 PR tree-optimization/26672
15860 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
15863 2006-03-14 Richard Guenther <rguenther@suse.de>
15865 PR tree-optimization/26667
15866 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
15867 node for the callees. Always allow inlining if it will shrink
15870 2006-03-14 Richard Guenther <rguenther@suse.de>
15872 PR middle-end/26659
15873 * builtins.c (get_pointer_alignment): Prefer alignment
15874 information from decls over that from types.
15876 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
15879 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
15881 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
15883 * config/rs6000/rs6000.opt (mdlmzb): New option.
15884 (msched-prolog, msched-epilog): Use Var not Mask.
15885 * doc/invoke.texi (-mdlmzb): Document.
15886 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
15888 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
15889 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
15891 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
15893 PR rtl-optimization/25739
15894 * bt-load.c (augment_live_range): Free tos pointer.
15896 * gensupport.c (identify_predicable_attribute): Free
15898 * gcov.c (create_file_names): Free name pointer.
15900 2006-03-13 Roger Sayle <roger@eyesopen.com>
15902 PR middle-end/26557
15903 * stmt.c (emit_case_nodes): Handle the case where the index is a
15904 CONST_INT, where the comparison mode is specified by the index type.
15906 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15908 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
15911 2006-03-13 Richard Sandiford <richard@codesourcery.com>
15913 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
15914 (*branch_fp_inverted): Likewise.
15916 2006-03-13 Jakub Jelinek <jakub@redhat.com>
15918 PR middle-end/25989
15919 * omp-low.c (expand_omp_for_generic): Mark istart0
15920 and iend0 as addressable.
15922 2006-03-13 Jie Zhang <jie.zhang@analog.com>
15924 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
15926 2006-03-13 Jeff Law <law@redhat.com>
15928 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
15929 virtual operands are interesting.
15930 (vrp_visit_stmt): Corresponding changes.
15932 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
15934 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
15936 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
15937 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
15938 * config/bfin/crti.S: Use it instead of __PIC__.
15939 * config/bfin/crtn.S: Likewise.
15941 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
15942 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
15944 Lose 'G' modifier for call operand.
15945 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
15946 recognize 'G' modifier.
15948 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
15950 PR middle-end/18859
15951 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
15952 * stmt.c (expand_case): Likewise.
15954 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15956 PR rtl-optimization/26254
15957 * loop-invariant.c (seq_insns_valid_p): New function.
15958 (move_invariant_reg): Only emit new code if it is valid.
15960 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15962 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
15964 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
15965 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
15966 (commit_one_edge_insertion): Do not look for loop notes.
15968 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15970 * jump.c (follow_jumps): Do not check for loop notes. Move check for
15971 flag_test_coverage out of loop.
15973 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15975 * final.c (shorten_branches): Remove outdated comment, and turn
15976 the if branch that guards it to continue.
15978 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15980 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
15981 * cfgloop.h (struct loop): Remove unused fields.
15983 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
15985 * doc/invoke.texi (-fdump-rtl-loop): Remove.
15986 (-dL, -fdump-rtl-loop2): Update the dump file names
15988 * doc/invoke.texi: Update dump file names.
15990 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
15992 * predict.c (estimate_probability): Remove.
15993 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
15994 * basic-block.h (estimate_probability): Remove prototype.
15995 * passes.c (finish_optimization_passes): Dump branch prediction or
15996 profiling heuristics to the .profile tree dump.
15997 (init_optimization_passes): Unqueue pass_branch_prob.
15999 * doc/invoke.texi (-fdump-rtl-bp): Remove.
16001 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
16003 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
16004 * rtl.h (LABEL_NEXTREF): Remove field accessor.
16006 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
16008 * function.h (frame_offset_overflow): Declare.
16009 * function.c (frame_offset_overflow): New function.
16010 (assign_stack_local_1): Call it to detect that the offset overflows.
16011 * cfgexpand.c (alloc_stack_frame_space): Likewise.
16013 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
16015 * config/sh/sh.c: Include alloc-pool.h.
16016 (label_ref_list_pool): New alloc pool.
16017 (label_ref_list_t): New type for lists of labels.
16018 (struct pool_node): Make wend a label_ref_list_t.
16019 (add_constant): Use the new type, eradicate LABEL_NEXTREF
16021 (dump_table): Likewise.
16022 (sh_reorg): Set up the alloc pool before using add_constant and
16023 dump_table, and destroy it when finishing.
16025 2006-03-11 Richard Sandiford <richard@codesourcery.com>
16027 * config/mips/mips.c: Remove redundant comment.
16029 2006-03-10 Jason Merrill <jason@redhat.com>
16032 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
16033 the target was declared 'register'.
16035 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
16037 * genpreds.c (write_insn_constraint_len): Change definition of
16038 insn_constraint_len to return size_t to match the declaration.
16040 2006-03-10 DJ Delorie <dj@redhat.com>
16042 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
16044 (m32c_expand_insv): Fix test for an AND mask.
16046 2006-03-10 Richard Guenther <rguenther@suse.de>
16048 PR middle-end/26565
16049 * builtins.c (get_pointer_alignment): Handle component
16050 references for field alignment.
16052 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
16054 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
16055 when building with libgloss.
16056 (sh*elf): Implement --without-fp option.
16057 (sh64-superh-linux*): Don't multilib.
16059 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
16061 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
16063 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
16065 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
16066 Set it when one of the replacement functions returned true.
16067 Return TODO_cleanup_cfg if cfgchanged is true.
16068 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
16070 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
16072 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
16073 instead of gen_lowpart.
16075 2006-03-09 Richard Sandiford <richard@codesourcery.com>
16077 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
16079 (mips_output_order_conditional_branch): Declare.
16080 * config/mips/mips.h (MIPS_BRANCH): New macro.
16081 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
16082 for the comparison. Use gen_condjump.
16083 (mips_output_conditional_branch): Rework interface to take the
16084 asm templates for a direct branch and the inverse of a direct branch.
16085 (mips_output_order_conditional_branch): New function.
16086 (mips_builtin_branch_and_move): New function.
16087 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
16088 branch condition. Use gen_single_cc as the condition for
16089 __builtin_mips_upper_* or __builtin_mips_lower_*.
16090 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
16091 Use VOIDmode for the branch condition.
16092 * config/mips/predicates.md (order_operator): New predicate.
16093 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
16094 (branch_fp): Rename to...
16095 (*branch_fp): ...this. Remove mode from comparison operator.
16096 Use new mips_output_conditional_branch interface.
16097 (branch_fp_inverted): Rename to...
16098 (*branch_fp_inverted): ...this and update as for *branch_fp.
16099 (*branch_zero<mode>): Rename to...
16100 (*branch_order<mode>): ...this. Remove mode from comparison operator.
16101 Use mips_output_order_conditional_branch. Only accept ordered
16103 (*branch_zero<mode>_inverted): Rename to...
16104 (*branch_order<mode>_inverted): ...this and update as for
16105 *branch_order<mode>.
16106 (*branch_equality<mode>): Accept zero as the second operand to
16107 the equality operator. Use the new mips_output_conditional_branch
16109 (*branch_equality<mode>_inverted): Likewise.
16110 (condjump): New expander.
16111 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
16113 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
16114 (bc1any2t, bc1any2f): Likewise.
16115 (single_cc): New expander.
16116 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
16118 2006-03-09 Richard Sandiford <richard@codesourcery.com>
16120 * doc/md.texi: Update documentation of MIPS constraints.
16121 * config/mips/constraints.md: New file.
16122 * config/mips/mips.md: Include it.
16123 * config/mips/mips.c (mips_char_to_class): Delete.
16124 (override_options): Don't initialize mips_char_to_class.
16125 * config/mips/mips.h (mips_char_to_class): Delete.
16126 (REG_CLASS_FROM_LETTER): Delete.
16127 (CONST_OK_FOR_LETTER_P): Delete.
16128 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
16129 (EXTRA_CONSTRAINT_Y): Delete.
16130 (EXTRA_CONSTRAINT_STR): Delete.
16131 (CONSTRAINT_LEN): Delete.
16132 (EXTRA_MEMORY_CONSTRAINT): Delete.
16134 2006-03-09 Diego Novillo <dnovillo@redhat.com>
16136 * tree-cfg.c (move_block_to_fn): Remove the statements from the
16137 original fn's eh regions.
16139 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
16141 * fold-const.c (build_range_check): Make sure to use a valid type to
16142 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
16145 (range_predecessor): New static function.
16146 (range_successor): Likewise.
16147 (merge_ranges): Use them to compute predecessors and successors of
16150 2006-03-09 Roger Sayle <roger@eyesopen.com>
16152 PR middle-end/26561
16153 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
16154 X op C3, consider whether C3 overflows towards +Inf or -Inf.
16156 2006-03-08 DJ Delorie <dj@redhat.com>
16158 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
16159 (addpsi3): Expand to include memory operands. Remove
16160 reload-specific splits.
16161 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
16162 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
16163 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
16164 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
16165 (shift1_qi, shift1_hi, insv): New.
16166 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
16167 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
16168 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
16170 * config/m32c/m32c-protos.h: Update as needed.
16171 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
16172 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
16173 Fail for unrecognized R* constraints.
16174 (m32c_cannot_change_mode_class): Be more picky about pseudos.
16175 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
16176 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
16178 (m32c_init_libfuncs): New.
16179 (m32c_legitimate_address_p): Add debug wrapper.
16180 (m32c_rtx_costs): New.
16181 (m32c_address_cost): New.
16182 (conversions): Add 'B' prefix.
16183 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
16184 operands, or word regnames for QI operands. 'B' prints bit
16186 (m32c_expand_setmemhi): New.
16187 (m32c_expand_movmemhi): New.
16188 (m32c_expand_movstr): New.
16189 (m32c_expand_cmpstr): New.
16190 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
16191 (m32c_expand_neg_mulpsi3): Handle non-ints.
16192 (m32c_cmp_flg_0): New.
16193 (m32c_expand_movcc): New.
16194 (m32c_expand_insv): New.
16195 (m32c_scc_pattern): New.
16196 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
16197 a0/a1 out of SIregs.
16198 (STORE_FLAG_VALUE): New.
16199 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
16202 * config/m32c/mov.md: Make constraints more liberal.
16203 (zero_extendqihi2): Optimize r0/r1 case.
16204 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
16205 * config/m32c/predicates.md (m32c_any_operand): New.
16206 (m32c_nonimmediate_operand): New.
16207 (m32c_hl_operand): New.
16208 (m32c_r3_operand): New.
16211 (memsym_operand): New.
16212 (memimmed_operand): New.
16213 (a_qi_operand): New.
16214 (m32c_eqne_operator): New.
16215 (m32c_1bit8_operand): New.
16216 (m32c_1bit16_operand): New.
16217 (m32c_1mask8_operand): New.
16218 (m32c_1mask16_operand): New.
16219 * config/m32c/blkmov.md: New file.
16220 * config/m32c/t-m32c (MD_FILES): Add blkmov.
16222 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
16224 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
16225 unsigned to fix signed/unsigned comparison issue in
16226 DWARF2_FRAME_REG_OUT.
16227 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
16228 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
16230 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
16231 of ptr into the ENABLE_CHECKING section.
16233 2006-03-08 Jeff Law <law@redhat.com>
16235 * tree-vrp.c (infer_value_range): Only count pointer uses
16236 and dereferences if -fdelete-null-pointer-checks is enabled.
16238 * tree-vrp.c (find_assert_locations): Infer value ranges for
16239 single use pointers, but do not create ASSERT_EXPRs for them.
16240 When a non-null range is inferred for a pointer, backwards
16241 propagate that range to other equivalent pointers through the
16244 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
16247 * Makefile.in (dvi, html, install-info): Invoke the corresponding
16248 language hook targets.
16249 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
16250 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
16251 if language hook targets were missing.
16253 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
16255 * tree-ssa-opfinalize.h: Removed.
16256 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
16258 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
16259 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
16260 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
16261 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
16262 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
16263 finalize_ssa_v_must_def_ops): New.
16265 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
16267 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
16268 block as parameter.
16270 2006-03-07 Geoffrey Keating <geoffk@apple.com>
16272 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
16274 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
16275 addresses with offsets; reorganize.
16277 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
16278 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
16279 (expand_builtin_init_dwarf_reg_sizes): Likewise.
16281 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
16284 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
16286 2006-03-08 Ben Elliston <bje@au.ibm.com>
16288 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
16290 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
16293 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
16296 2006-03-07 Richard Guenther <rguenther@suse.de>
16298 PR tree-optimization/26587
16299 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
16301 2006-03-07 Richard Sandiford <richard@codesourcery.com>
16303 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
16305 2006-03-07 Richard Sandiford <richard@codesourcery.com>
16307 * hooks.c (hook_bool_mode_rtx_true): New function.
16308 * hooks.h (hook_bool_mode_rtx_true): Declare.
16309 * toplev.c (compile_file): Call output_shared_constant_pool.
16310 * varasm.c (shared_constant_pool): New variable.
16311 (assemble_start_function, assemble_end_function): Remove arguments
16312 from call to output_constant_pool.
16313 (create_constant_pool): New function, split out from...
16314 (init_varasm_status): ...here.
16315 (force_const_mem): Choose between the shared and per-function constant
16316 pools. Set current_function_uses_const_pool when reusing old entries
16317 as well as when creating new ones.
16318 (mark_constant): Ignore data argument.
16319 (mark_constants): Remove pool argument.
16320 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
16321 to decide whether the function uses a constant pool.
16322 (output_constant_pool_contents): New function, split out from...
16323 (output_constant_pool): ...here.
16324 (output_shared_constant_pool): New function.
16325 (init_varasm_once): Initialize shared_constant_pool.
16326 * output.h (output_constant_pool): Delete.
16327 (output_shared_constant_pool): Declare.
16328 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
16329 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
16331 2006-03-06 Nick Clifton <nickc@redhat.com>
16333 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
16334 flag_strength_reduce.
16336 2006-03-06 Ben Elliston <bje@au.ibm.com>
16338 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
16339 x86_64-*-linux* configurations.
16341 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
16342 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
16344 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16346 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
16348 * basic-block.h: Remove the extern for
16349 rediscover_loops_after_threading.
16351 * cfgloop.c (cancel_loop): Make it static.
16352 * cfgloop.h: Remove the prototype for cancel_loop.
16354 * flow.c (recompute_reg_usage): Make it static.
16355 * rtl.h: Remove the prototype for recompute_reg_usage.
16357 * function.c (use_return_register): Make it static.
16358 * function.h: Remove the prototype.
16360 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16362 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
16364 * recog.h: Remove the prototype for
16365 validate_change_maybe_volatile.
16367 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16369 * rtlanal.c (replace_reg): Remove.
16370 * rtl.h: Remove the prototype for replace_reg.
16372 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16374 * regclass.c (reg_scan_update): Remove.
16375 (reg_scan_mark_refs): Remove the last argument.
16376 * rtl.h: Remove the prototype for reg_scan_update.
16378 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16380 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
16381 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
16382 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
16383 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
16384 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
16385 loop-invariant.c, omp-low.c, opts.c, passes.c,
16386 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
16387 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
16388 tree-ssa-structalias.c, tree-ssa-threadedge.c,
16389 tree-ssa-threadupdate.c, tree-vect-patterns.c,
16390 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
16391 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
16393 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16395 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
16396 * dwarf2out.h: Remove the prototype for
16397 dwarf2out_add_library_unit_info.
16399 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16401 * tree.c (add_var_to_bind_expr): Remove.
16402 * tree.h: Remove the prototype for add_var_to_bind_expr.
16404 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16406 * regclass.c (n_non_fixed_regs): Remove.
16407 (init_reg_sets_1, globalize_reg): Remove all uses of
16409 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
16411 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16413 * rtlanal.c (insns_safe_to_move_p): Remove.
16414 * rtl.h: Remove the prototype for insns_safe_to_move_p.
16416 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16418 * expmed.c (expand_mult_add): Remove.
16419 * expr.h: Remove the prototype for expand_mult_add.
16421 2006-03-04 Jakub Jelinek <jakub@redhat.com>
16423 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
16424 and REG_SAVED_VAL_EXP constants.
16425 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
16426 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
16427 Handle regs stored by value.
16428 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
16429 (execute_cfa_program): Handle DW_CFA_val_offset,
16430 DW_CFA_val_offset_sf and DW_CFA_val_expression.
16431 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
16432 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
16433 (uw_install_context_1): Handle target regs stored by value.
16435 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
16437 * tree-sra.c (tree_sra): Return todoflags;
16438 (generate_one_element): Set TODO_update_smt_usage if needed.
16439 (pass_sra): Remove TODO_update_smt_usage.
16440 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
16442 (tree_ssa_forward_propagate_single_use_vars): Return
16443 TODO_update_smt_usage if we need to update SMT usage.
16444 (pass_forwprop): Remove TODO_update_smt_usage.
16446 2006-03-03 Diego Novillo <dnovillo@redhat.com>
16448 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
16449 (correct_use_link): Remove reference to get_stmt_operands.
16450 (update_stmt_operands): Likewise.
16451 (get_modify_expr_operands): New function factored out of
16452 parse_ssa_operands and get_expr_operands.
16453 Try to create V_MUST_DEFs for LHS by default.
16454 (get_expr_operands) <case MODIFY_EXPR>: Call
16455 get_modify_expr_operands.
16456 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
16457 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
16458 (parse_ssa_operands) <case MODIFY_EXPR>: Call
16459 get_modify_expr_operands.
16461 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
16463 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
16464 * tree-flow.h: Remove the prototype for
16465 referenced_var_lookup_if_exists.
16467 2006-03-03 Steve Ellcey <sje@cup.hp.com>
16469 PR rtl-optimization/26345
16471 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
16473 2006-03-03 Roger Sayle <roger@eyesopen.com>
16475 PR tree-optimization/26524
16476 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
16477 fold_convert to create a constant of the appropriate type.
16479 2006-03-03 Richard Sandiford <richard@codesourcery.com>
16481 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16482 SYMBOL_REF_IN_BLOCK_P.
16483 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
16484 of SYMBOL_FLAG_IN_BLOCK.
16485 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
16486 instead of SYMBOL_REF_IN_BLOCK_P.
16487 * explow.c (use_anchored_address): Likewise.
16488 * rtl.c (rtx_size): Likewise.
16489 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
16490 instead of SYMBOL_FLAG_IN_BLOCK.
16491 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16492 SYMBOL_REF_IN_BLOCK_P.
16493 (assemble_variable): Likewise.
16494 (output_constant_def_contents): Likewise.
16495 (output_constant_pool): Likewise.
16496 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
16497 instead of SYMBOL_FLAG_IN_BLOCK.
16498 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16499 SYMBOL_REF_IN_BLOCK_P.
16500 (SYMBOL_REF_BLOCK): Likewise.
16501 (SYMBOL_REF_OFFSET): Likewise.
16502 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16503 SYMBOL_REF_IN_BLOCK_P.
16504 (SYMBOL_FLAG_IN_BLOCK): Replace with...
16505 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
16506 (SYMBOL_REF_IN_BLOCK_P): Replace with...
16507 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
16509 2006-03-03 Jakub Jelinek <jakub@redhat.com>
16511 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
16513 2006-03-02 Roger Sayle <roger@eyesopen.com>
16515 * simplify-rtx.c (simplify_unary_operation): When simplifying
16516 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
16517 that we perform the right shift in the appropriate mode, and
16518 then extend or truncate the result to requested mode.
16520 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
16522 * gengtype.c (main): Handle double_int type.
16523 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
16524 * double-int.c: New file.
16525 * double-int.h: New file.
16526 * system.h: Include doubleint.h.
16527 * Makefile.in (SYSTEM_H): Include double-int.h.
16528 (double-int.o): Add.
16530 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
16533 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
16536 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16538 * tree-vrp.c (remove_range_assertions): Do not update statements
16541 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16543 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
16545 * gcse.c (rest_of_handle_gcse): Ditto.
16546 * except.c (gate_handle_eh): Ditto.
16547 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
16548 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
16550 2006-03-02 Eric Christopher <echristo@apple.com>
16552 * config/i386/i386.c (machopic_output_stub): Add indirection to
16555 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16559 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
16561 Sun Niagara specific optimizations.
16562 * config.gcc: Recognize niagara as target.
16563 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
16564 (TARGET_CPU_niagara): Define.
16565 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
16566 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
16567 (CPP_CPU_SPEC): Handle -mcpu=niagara.
16568 (ASM_CPU_SPEC): Likewise.
16569 (PROCESSOR_NIAGARA): New enum entry.
16570 (REGISTER_MOVE_COST): Handle Niagara.
16571 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
16572 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
16573 (sparc_override_options): Recognize "niagara", set appropriate
16574 default MASK_* values for it, and align functions to 32-bytes
16575 by default just like ULTRASPARC/ULTRASPARC3.
16576 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
16577 (sparc64_initialize_trampoline): Likewise.
16578 (sparc_use_sched_lookahead): Use zero for niagara.
16579 (sparc_issue_rate): Use one for niagara.
16580 * config/sparc/niagara.md: New file.
16581 * config/sparc/sparc.md: Include it.
16582 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
16583 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
16584 when default cpu is niagara.
16585 (CPP_CPU_SPEC): Handle -mcpu=niagara.
16586 (ASM_CPU_SPEC): Likewise.
16587 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
16588 when default cpu is niagara.
16589 (ASM_CPU_SPEC): Handle -mcpu=niagara.
16590 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
16591 just like v9/ultrasparc/ultrasparc3.
16592 * doc/invoke.texi: Add documentation for "niagara" and improve
16593 existing documentation for ultrasparc variants.
16595 2006-03-02 Diego Novillo <dnovillo@redhat.com>
16597 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
16599 2006-03-02 Richard Sandiford <richard@codesourcery.com>
16601 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
16602 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
16603 and say that only one is needed.
16604 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
16605 * target.h (have_switchable_bss_sections): New hook.
16606 * explow.c (use_anchored_address): Check that the symbol is in a block.
16607 * varasm.c (tls_comm_section, comm_section, lcomm_section)
16608 (bss_noswitch_section): New variables.
16609 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
16610 (get_noswitch_section): New function.
16611 (get_block_for_section): Allow SECT to be null.
16612 (unlikely_text_section_p): Use SECTION_STYLE.
16613 (bss_initializer_p): New function.
16614 (get_variable_section): Move earlier in file. Take a new argument,
16615 prefer_noswitch_p. Move bss checks from assemble_variable to here.
16616 Return one of the new *_sections in such cases.
16617 (get_block_for_decl): New function, extracting some logic from
16618 use_blocks_for_decl_p.
16619 (change_symbol_section): Remove in favor of...
16620 (change_symbol_block): ...this new function.
16621 (use_blocks_for_decl_p): Remove checks now performed by
16622 get_block_for_decl.
16623 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
16624 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
16625 (emit_local, emit_bss, emit_common): ...these new functions.
16626 Return true if the alignment was honored.
16627 (emit_tls_common): New function.
16628 (asm_emit_uninitialised): Delete.
16629 (assemble_variable_noswitch): New function, split out from...
16630 (assemble_variable): ...here. Don't make decisions about common
16631 variables here. Globalize all public decls that go into non-common
16632 sections. Check whether SYMBOL_REF_BLOCK is null.
16633 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
16634 (output_constant_pool): Likewise.
16635 (init_varasm_once): Initialize the new section variables.
16636 (have_global_bss_p): New function.
16637 (categorize_decl_for_section): Use bss_initializer_p.
16638 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
16639 (place_block_symbol): Assert that the symbol must be in a block.
16640 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
16641 (TARGET_INITIALIZER): Include it.
16642 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
16643 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
16644 (SECTION_MACH_DEP): Bump by two.
16645 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
16646 (unnamed_section): Mention SECTION_UNNAMED in comment.
16647 (named_section): Likewise SECTION_NAMED.
16648 (noswitch_section_callback): New type.
16649 (noswitch_section): New structure.
16650 (section): Add a noswitch_section alternative.
16651 (SECTION_STYLE): New macro.
16652 (tls_comm_section, comm_section, lcomm_section): Declare.
16653 (bss_noswitch_section, have_global_bss_p): Declare.
16654 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
16655 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
16657 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
16658 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
16661 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
16663 * tree-vrp.c (execute_vrp): Return value.
16664 * regrename.c (rest_of_handle_regrename): Ditto.
16665 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
16666 * tree-complex.c (tree_lower_complex): Ditto.
16667 (tree_lower_complex_O0): Ditto.
16668 * tracer.c (rest_of_handle_tracer): Ditto.
16669 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
16670 * postreload.c (rest_of_handle_postreload): Ditto.
16671 * tree-tailcall.c (execute_tail_recursion): Ditto.
16672 (execute_tail_calls): Ditto.
16673 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
16674 * tree.h (init_function_for_compilation): Ditto.
16675 * ipa-cp.c (ipcp_driver): Ditto.
16676 * tree-scalar-evolution.c (scev_const_prop): Ditto.
16677 * tree-scalar-evolution.h (scev_const_prop): Ditto.
16678 * final.c (compute_alignments): Ditto.
16679 (rest_of_handle_final): Ditto.
16680 (rest_of_handle_shorten_branches): Ditto.
16681 (rest_of_clean_state): Ditto.
16682 * omp-low.c (execute_expand_omp): Ditto.
16683 (execute_lower_omp): Ditto.
16684 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
16685 * ipa-reference.c (static_execute): Ditto.
16686 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
16687 * reorg.c (rest_of_handle_delay_slots): Ditto.
16688 (rest_of_handle_machine_reorg): Ditto.
16689 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
16690 * flow.c (recompute_reg_usage): Ditto.
16691 (rest_of_handle_remove_death_notes): Ditto.
16692 (rest_of_handle_life): Ditto.
16693 (rest_of_handle_flow2): Ditto.
16694 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
16695 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
16696 (do_ssa_store_ccp): Ditto.
16697 (execute_fold_all_builtins): Ditto.
16698 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
16699 * modulo-sched.c (rest_of_handle_sms): Ditto.
16700 * ipa-pure-const.c (static_execute): Ditto.
16701 * cse.c (rest_of_handle_cse): Ditto.
16702 (rest_of_handle_cse2): Ditto.
16703 * web.c (rest_of_handle_web): Ditto.
16704 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
16705 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
16706 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
16707 * tree-nrv.c (tree_nrv): Ditto.
16708 (execute_return_slot_opt): Ditto.
16709 * tree-ssa-alias.c (compute_may_aliases): Ditto.
16710 (create_structure_vars): Ditto.
16711 * loop-init.c (rtl_loop_init): Ditto.
16712 (rtl_loop_done): Ditto.
16713 (rtl_move_loop_invariants): Ditto.
16714 (rtl_unswitch): Ditto.
16715 (rtl_unroll_and_peel_loops): Ditto.
16716 (rtl_doloop): Ditto.
16717 * gimple-low.c (lower_function_body): Ditto.
16718 (mark_used_blocks): Ditto.
16719 * tree-ssa-sink.c (execute_sink_code): Ditto.
16720 * ipa-inline.c (cgraph_decide_inlining): Ditto.
16721 (cgraph_early_inlining): Ditto.
16722 * global.c (rest_of_handle_global_alloc): Ditto.
16723 * jump.c (cleanup_barriers): Ditto.
16724 (purge_line_number_notes): Ditto.
16725 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
16726 (rest_of_handle_if_after_reload): Ditto.
16727 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
16728 (tree_ssa_loop_im): Ditto.
16729 (tree_ssa_loop_unswitch): Ditto.
16730 (tree_vectorize): Ditto.
16731 (tree_linear_transform): Ditto.
16732 (tree_ssa_loop_ivcanon): Ditto.
16733 (tree_ssa_empty_loop): Ditto.
16734 (tree_ssa_loop_bounds): Ditto.
16735 (tree_complete_unroll): Ditto.
16736 (tree_ssa_loop_prefetch): Ditto.
16737 (tree_ssa_loop_ivopts): Ditto.
16738 (tree_ssa_loop_done): Ditto.
16739 * predict.c (tree_estimate_probability): Ditto.
16740 * recog.c (split_all_insns_noflow): Ditto.
16741 (rest_of_handle_peephole2): Ditto.
16742 (rest_of_handle_split_all_insns): Ditto.
16743 * tree-eh.c (lower_eh_constructs): Ditto.
16744 * regmove.c (rest_of_handle_regmove): Ditto.
16745 (rest_of_handle_stack_adjustments): Ditto.
16746 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
16747 * function.c (instantiate_virtual_regs): Ditto.
16748 (init_function_for_compilation): Ditto.
16749 (rest_of_handle_check_leaf_regs): Ditto.
16750 * gcse.c (rest_of_handle_jump_bypass): Ditto.
16751 (rest_of_handle_gcse): Ditto.
16752 * ipa-type-escape.c (type_escape_execute): Ditto.
16753 * alias.c (rest_of_handle_cfg): Ditto.
16754 * tree-if-conv.c (main_tree_if_conversion): Ditto.
16755 * profile.c (rest_of_handle_branch_prob): Ditto.
16756 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
16757 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
16758 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
16759 * tree-dfa.c (find_referenced_vars): Ditto.
16760 * except.c (set_nothrow_function_flags): Ditto.
16761 (convert_to_eh_region_ranges): Ditto.
16762 (rest_of_handle_eh): Ditto.
16763 * emit-rtl.c (unshare_all_rtl): Ditto.
16764 (remove_unnecessary_notes): Ditto.
16765 * except.h (set_nothrow_function_flags): Ditto.
16766 (convert_to_eh_region_ranges): Ditto.
16767 * cfgexpand.c (tree_expand_cfg): Ditto.
16768 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
16769 * tree-ssa-pre.c (do_pre): Ditto.
16770 (execute_fre): Ditto.
16771 * cfgcleanup.c (rest_of_handle_jump): Ditto.
16772 (rest_of_handle_jump2): Ditto.
16773 * tree-sra.c (tree_sra): Ditto.
16774 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
16775 (execute_mudflap_function_decls): Ditto.
16776 * tree-ssa-copy.c (do_copy_prop): Ditto.
16777 (do_store_copy_prop): Ditto.
16778 * ipa-prop.h (ipcp_driver): Ditto.
16779 * cfglayout.c (insn_locators_initialize): Ditto.
16780 * tree-ssa-forwprop.c
16781 (tree_ssa_forward_propagate_single_use_vars): Ditto.
16782 * cfglayout.h (insn_locators_initialize): Ditto.
16783 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
16784 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
16785 (execute_late_warn_uninitialized): Ditto.
16786 * rtl.h (cleanup_barriers): Ditto.
16787 (split_all_insns_noflow): Ditto.
16788 (purge_line_number_notes): Ditto.
16789 (unshare_all_rtl): Ditto.
16790 (remove_unnecessary_notes): Ditto.
16791 (recompute_reg_usage): Ditto.
16792 (variable_tracking_main): Ditto.
16793 * integrate.c (emit_initial_value_sets): Ditto.
16794 * integrate.h (emit_initial_value_sets): Ditto.
16795 * tree-optimize.c (execute_free_datastructures): Ditto
16796 (execute_free_cfg_annotations): Ditto.
16797 (execute_fixup_cfg): Ditto.
16798 (execute_cleanup_cfg_pre_ipa): Ditto.
16799 (execute_cleanup_cfg_post_optimizing): Ditto.
16800 (execute_init_datastructures): Ditto.
16801 * tree-object-size.c (compute_object_sizes): Ditto.
16802 * combine.c (rest_of_handle_combine): Ditto.
16803 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
16804 * bb-reorder.c (duplicate_computed_gotos): Ditto.
16805 (rest_of_handle_reorder_blocks): Ditto.
16806 (rest_of_handle_partition_blocks): Ditto.
16807 * var-tracking.c (variable_tracking_main): Ditto.
16808 * tree-profile.c (tree_profiling): Ditto.
16809 * tree-vect-generic.c (expand_vector_operations): Ditto.
16810 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
16811 * sched-rgn.c (rest_of_handle_sched): Ditto.
16812 (rest_of_handle_sched2): Ditto.
16813 * basic-block.h (free_bb_insn): Ditto.
16814 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
16815 * tree-cfg.c (execute_build_cfg): Ditto.
16816 (remove_useless_stmts): Ditto.
16817 (split_critical_edges): Ditto.
16818 (execute_warn_function_return): Ditto.
16819 (execute_warn_function_noreturn): Ditto.
16820 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
16821 * cfgrtl.c (free_bb_for_insn): Ditto.
16822 * passes.c (execute_one_pass): Run additional
16823 todos returned by execute function.
16824 * tree-pass.h (struct tree_opt_pass): Make execute
16827 2006-03-02 Richard Guenther <rguenther@suse.de>
16829 * tree-ssa-alias.c (find_used_portions): Consider taking
16830 the address as making the variable not write-only.
16832 2006-03-02 Nick Clifton <nickc@redhat.com>
16834 * config.gcc (default_use_cxa_atexit): Extend the description of
16835 this configure variable. Set its default value to "yes" for
16836 Linux, NetBSD and ELF targets on the assumption that they will
16837 use C libraries with the __cxa_atexit function.
16839 2006-03-02 Ben Elliston <bje@au.ibm.com>
16841 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
16842 parameter as unused to suppress a build warning.
16844 2006-03-02 Ben Elliston <bje@au.ibm.com>
16846 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
16849 2006-03-01 Roger Sayle <roger@eyesopen.com>
16852 * gthr-posix.h (__gthrw2): Define to take three parameters, the
16853 declared name, the weak reference name, and the typeof name.
16854 (__gthrw): Avoid expanding the declared name suffix.
16855 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
16857 2006-03-01 Jakub Jelinek <jakub@redhat.com>
16859 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
16861 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
16862 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
16863 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
16864 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
16865 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
16866 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
16867 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
16868 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
16869 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
16870 DW_DS_leading_separate, DW_DS_trailing_separate): New.
16871 (DW_END_default, DW_END_big, DW_END_little): New.
16872 (DW_END_lo_user, DW_END_hi_user): Define.
16873 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
16874 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
16875 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
16878 2006-03-01 Diego Novillo <dnovillo@redhat.com>
16880 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
16882 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
16884 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
16886 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
16888 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
16889 to 'symbol_mem_tag'.
16891 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
16894 2006-03-01 Roger Sayle <roger@eyesopen.com>
16896 * builtins.c (fold_builtin_copysign): Delete unreachable code.
16898 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
16901 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
16902 MACHO_DYNAMIC_NO_PIC_P.
16903 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
16905 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
16908 * config/darwin-protos.h (darwin_asm_output_anchor):
16910 * config/darwin-sections.def (cstring_section):
16911 Add SECTION_MERGE to the flags.
16912 (literal4_section): Likewise.
16913 (literal8_section): Likewise.
16914 (objc_selector_refs_section): Likewise.
16915 (objc_cls_refs_section): Likewise.
16916 * config/darwin.c (darwin_asm_output_anchor): New
16918 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
16920 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
16922 Fix PR tree-optimization/26443
16923 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
16924 to todo and PROP_tmt_usage to properties_destroyed.
16925 * tree-ssa-ccp.c (pass_ccp): Ditto.
16926 (pass_store_ccp): Ditto.
16927 * tree-ssa-dom.c (pass_dominator): Ditto.
16929 2006-03-01 Diego Novillo <dnovillo@redhat.com>
16931 * tree-ssa-operands.c: Cleanup whitespace.
16932 (get_asm_expr_operands): Move before first invocation.
16933 (get_indirect_ref_operands): Likewise.
16934 (get_tmr_operands): Likewise.
16935 (get_call_expr_operands): Likewise.
16936 (append_def): Likewise.
16937 (append_use): Likewise.
16938 (append_v_may_def): Likewise.
16939 (append_v_must_def): Likewise.
16940 (add_call_clobber_ops): Likewise.
16941 (add_call_read_ops): Likewise.
16942 (add_stmt_operand): Likewise.
16943 (add_virtual_operand): Likewise.
16944 (build_ssa_operands): Likewise.
16946 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
16948 PR middle-end/26022
16950 PR middle-end/24437
16951 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
16952 with a call expr to ...
16953 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
16955 2006-03-01 Diego Novillo <dnovillo@redhat.com>
16957 * tree-vrp.c (extract_range_from_assert): Remove special
16958 handling for types with super-types.
16960 2006-03-01 Ben Elliston <bje@au.ibm.com>
16962 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
16963 and powerpc64-*-linux* configurations.
16964 * config/t-dfprules: New file.
16966 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
16967 Compile dfp-bit.c from the source directory using -DWIDTH and
16968 $DFP_CFLAGS to control the compilation of that file, rather than
16969 generating width-specific versions in the build directory.
16970 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
16971 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
16973 2006-02-28 Zack Weinberg <zackw@panix.com>
16975 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
16978 2006-02-28 Eric Christopher <echristo@apple.com>
16980 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
16981 Set up IN_LIBGCC definition of TARGET_64BIT.
16982 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
16984 2006-02-28 Roger Sayle <roger@eyesopen.com>
16986 PR middle-end/14752
16987 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
16988 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
16989 cases via the construction of "expr != 0".
16991 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
16993 * alias.c (alias_invariant, alias_invariant_size): Remove.
16994 (record_base_value): Remove.
16995 (memrefs_conflict_p): Don't look at alias_invariant.
16996 (end_alias_analysis): Don't free it.
16997 * alias.h (record_base_value): Remove prototype.
16999 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
17000 Adam Nemet <anemet@caviumnetworks.com>
17002 * rtl.h (truncated_to_mode): Declare it.
17003 (struct rtl_hooks): Add reg_truncated_to_mode hook.
17004 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
17005 (RTL_HOOKS_INITIALIZER): Include it.
17006 * rtlhooks.c (reg_truncated_to_mode_general): New function.
17007 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
17008 reg_truncated_to_mode.
17009 * rtlanal.c (truncated_to_mode): Define it.
17010 * simplify-rtx.c (simplify_unary_operation_1): Use it.
17012 2006-02-28 Jeff Law <law@redhat.com>
17014 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
17015 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
17016 the range allowed by TYPE_PRECISION.
17018 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
17020 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
17022 PR tree-optimization/26419
17023 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
17026 2006-02-27 Zack Weinberg <zackw@panix.com>
17028 * doc/md.texi: Fix typo in previous change.
17030 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
17034 2006-02-27 Zack Weinberg <zackw@panix.com>
17036 * rtl.def (define_constraint, define_register_constraint)
17037 (define_memory_constraint, define_address_constraint): New MD forms.
17038 * gensupport.c (process_rtx): Put define_constraint etc on the
17040 * genpreds.c (process_define_predicate): Adjust comment. Validate
17041 the name, and call validate_exp to validate the expression.
17042 (mark_mode_tests, write_extract_subexp): Can assume correct input.
17043 (write_predicate_expr): Likewise. NAME argument no longer necessary;
17044 all callers changed.
17045 (validate_exp, needs_variable, struct constraint_data)
17046 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
17047 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
17048 (const_dbl_constraints, constraint_max_namelen)
17049 (have_register_constraints, have_memory_constraints)
17050 (have_address_constraints, have_address_constraints)
17051 (have_extra_constraints, have_const_int_constraints)
17052 (have_const_dbl_constraints, mangle, add_constraint)
17053 (process_define_constraint, process_define_register_constraint)
17054 (write_enum_constraint_num, write_lookup_constraint)
17055 (write_insn_constraint_len, write_regclass_for_constraint)
17056 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
17057 (write_insn_extra_memory_constraint)
17058 (write_insn_extra_address_constraint)
17059 (write_satisfies_constraint_fns): New.
17060 (write_tm_preds_h): If we have new-style constraint definitions,
17061 prototype the functions generated from them, and define the
17062 old constraint interface (still used by generic code) in terms of
17064 (write_insn_preds_c): If we have new-style constraint definitions,
17065 generate all relevant functions from those definitions.
17066 (main): Handle define_constraint etc.
17067 * genoutput.c (struct constraint_data, indep_constraints)
17068 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
17069 (mdep_constraint_len): New data structures and functions, defined
17070 #ifdef USE_MD_CONSTRAINTS.
17071 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
17072 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
17073 use new logic to validate operand constraints against constraint
17075 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
17077 * defaults.h: If none of the old-style constraint macros are
17078 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
17079 old-style macros; and poison REG_CLASS_FROM_LETTER,
17080 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
17082 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
17083 * doc/md.texi: Document new constraint-definition mechanism and the
17084 C interface it provides. Remove references to old mechanism
17085 elsewhere in the document.
17086 (Machine Constraints): Use pathnames relative to gcc directory,
17087 i.e. config/ARCH/FILE. Change i386 section to refer to
17088 config/i386/predicates.md; update that section to match docstrings.
17089 * doc/tm.texi: Move all documentation of the old constraint-
17090 definition macros to their own section, clearly mark as obsolete.
17092 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
17093 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
17095 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
17096 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
17097 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
17098 constraint strings.
17099 (splits and peepholes): Use satisfies_constraint_*.
17100 * config/i386/i386.c (memory_address_length)
17101 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
17103 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
17105 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
17106 scalar operation to be put back into the loop.
17108 2006-02-27 Jakub Jelinek <jakub@redhat.com>
17111 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
17112 (extract_cie_info): Handle S flag in augmentation string.
17113 (execute_cfa_program): If context->signal_frame, execute also
17114 fs->pc == context->ra instructions.
17115 (uw_frame_state_for): If context->signal_frame, don't subtract one
17116 from context->ra to find FDE.
17117 (uw_update_context_1): Set context->signal_frame to
17119 (_Unwind_GetIPInfo): New function.
17120 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
17121 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
17123 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
17124 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
17125 * unwind-compat.c (_Unwind_GetIPInfo): New function.
17126 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
17127 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
17128 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
17129 * config/i386/linux-unwind.h (x86_fallback_frame_state,
17130 x86_64_fallback_frame_state): Set fs->signal_frame.
17131 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
17132 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
17133 (frob_update_context): Likewise. Workaround missing S flag in
17134 Linux 2.6.12 - 2.6.16 kernel vDSOs.
17135 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
17136 Remove the psw_addr + 1 hack.
17138 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
17140 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
17141 with aggregates here.
17142 (find_func_aliases): Remove code for &<aggregate> from here.
17144 2006-02-26 Roger Sayle <roger@eyesopen.com>
17146 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
17147 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
17148 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
17149 as (X & C) ne/eq 0.
17151 2006-02-26 Roger Sayle <roger@eyesopen.com>
17153 PR middle-end/19983
17154 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
17156 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
17158 * opts.c (decode_options): Do not handle flag_strength_reduce.
17159 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
17160 and OPT_fstrength_reduce.
17161 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
17162 flag_prefetch_loop_arrays for being nonzero.
17163 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
17165 (fprefetch-loop-arrays-rtl): Removed.
17166 (flag_prefetch_loop_arrays): Do not specify the value.
17168 * doc/passes.texi: Update documentation of loop optimizer
17170 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
17171 -frerun-loop-opt): Remove.
17173 2006-02-26 Richard Guenther <rguenther@suse.de>
17175 PR tree-optimization/26421
17176 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
17177 in function calls that are ADDR_EXPRs as using the whole structure.
17179 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
17181 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
17182 * tree-pass.h (pass_loop_optimize): Remove.
17183 * passes.c (pass_loop_optimize): Never run it.
17184 * toplev.c (backend_init): Don't call init_loop.
17185 * opts.c (flag_loop_optimize_set): Remove.
17186 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
17187 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
17188 the old RTL loop optimizer when profiling enabled.
17189 * predict.c (tree_estimate_probability): Always strip builtin_expect.
17190 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
17191 pre-headers for the sake of the old RTL loop optimizer.
17192 * Makefile.in: Remove all references to loop.o.
17194 * doc/invoke.texi: Remove all references to -floop-optimize
17195 and -frerun-loop-opt.
17197 2006-02-26 Zack Weinberg <zackw@panix.com>
17199 * doc/md.texi (Machine Constraints): Refer to all files with paths
17200 relative to gcc directory (i.e. config/CPU/file). Add missing
17201 @table @code ... @end table to M32C subsection.
17203 2006-02-26 Roger Sayle <roger@eyesopen.com>
17205 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
17207 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
17209 2006-02-26 Roger Sayle <roger@eyesopen.com>
17210 James A. Morrison <phython@gcc.gnu.org>
17212 PR middle-end/21137
17213 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
17214 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
17215 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
17216 signedness of the shift operation.
17218 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
17220 PR tree-optimization/26359
17221 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
17223 2006-02-25 Roger Sayle <roger@eyesopen.com>
17225 * simplify-rtx.c (simplify_relational_operation_1): Simplify
17226 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
17227 as X == 0, and some symmetry related transformations.
17228 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
17230 2006-02-25 Roger Sayle <roger@eyesopen.com>
17232 PR middle-end/23673
17233 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
17234 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
17235 symmetry related transformations. Fold (X^C1) == C2 as
17238 2006-02-25 Juergen Weigert <jw@suse.de>
17239 Richard Guenther <rguenther@suse.de>
17241 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
17243 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
17245 * combine.c (gen_lowpart_or_truncate): Call
17246 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
17248 2006-02-24 Diego Novillo <dnovillo@redhat.com>
17250 * doc/invoke.texi: Move -fopenmp description to "Options for
17252 Remove reference to -lgomp.
17254 2006-02-24 David Edelsohn <edelsohn@gnu.org>
17256 * doc/install.texi: Require GNU tar version 1.14.
17258 2006-02-24 Geoffrey Keating <geoffk@apple.com>
17260 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
17261 * doc/invoke.texi (C++ Dialect Options): Document
17262 -fno-use-cxa-get-exception-ptr.
17263 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
17264 * configure: Regenerate.
17265 * c.opt (fuse-cxa-get-exception-ptr): New.
17266 * c-opts.c (c_common_handle_option): Handle
17267 OPT_fuse_cxa_get_exception_ptr.
17268 * c-common.c (flag_use_cxa_atexit): Update documentation.
17269 (flag_use_cxa_get_exception_ptr): New.
17270 * c-common.h (flag_use_cxa_get_exception_ptr): New.
17271 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
17273 (C_COMMON_OVERRIDE_OPTIONS): New.
17275 2006-02-24 Roger Sayle <roger@eyesopen.com>
17277 PR middle-end/24952
17278 * combine.c (try_combine): Explicitly check whether GET_CODE is
17279 a SET or a CLOBBER, instead on checking that it isn't a USE.
17281 2006-02-24 Roger Sayle <roger@eyesopen.com>
17283 * fold-const.c (fold_comparison): New subroutine of fold_binary
17284 containing transformations common to both the equality and
17285 ordering relational operators, factored out of fold_binary.
17286 (fold_binary): Separate out the equality operators (EQ_EXPR
17287 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
17288 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
17289 transformations common to both.
17290 (fold_div_compare): Fix latent bugs in the previously unreachable
17291 LT_EXPR and GE_EXPR cases.
17293 2006-02-24 David Edelsohn <edelsohn@gnu.org>
17295 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
17296 decl libname for clog to __clog on AIX.
17298 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
17300 2006-02-24 Alan Modra <amodra@bigpond.net.au>
17303 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
17304 output traceback table for thunks. Localise rs6000_stack_info call.
17306 2006-02-23 Roger Sayle <roger@eyesopen.com>
17307 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
17309 * gthr-posix.h (__gthrw): Fix typo in comment.
17311 2006-02-23 Geoffrey Keating <geoffk@apple.com>
17313 * doc/cpp.texi (Character sets): Document that we do support
17314 input files to be in any character set.
17316 2006-02-23 Jeff Law <law@redhat.com>
17318 * tree.h (PHI_ARG_NONZERO): Remove.
17319 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
17320 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
17321 node to the new node.
17323 PR tree-optimization/26425
17324 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
17325 min/max, then assume its varying.
17327 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
17329 PR rtl-optimization/26316
17330 * rtlanal.c (enum may_trap_p_flags): New.
17331 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
17332 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
17333 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
17334 (may_trap_after_code_motion_p): New function.
17335 * loop-invariant.c (find_identical_invariants): Fix dump formating.
17336 (find_invariant_insn): Use may_trap_after_code_motion_p.
17337 * rtl.h (may_trap_after_code_motion_p): Declare.
17339 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
17341 * emit-rtl.c (immed_double_const): Cleanup.
17343 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
17345 Fix PR tree-optimization/26376
17346 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
17349 2006-02-23 Jakub Jelinek <jakub@redhat.com>
17351 PR middle-end/26412
17352 * gimplify.c (omp_add_variable): Guard variable size decl test with
17353 DECL_SIZE (decl) check.
17355 2006-02-23 Richard Guenther <rguenther@suse.de>
17357 PR middle-end/26439
17358 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
17359 like aggregate types.
17361 2006-02-23 Jakub Jelinek <jakub@redhat.com>
17363 * configure.ac: Add --with{,out}-long-double-128 configure option.
17364 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
17365 * configure: Rebuilt.
17366 * config.in: Rebuilt.
17367 * doc/install.texi (Options specification): Document
17368 --with-long-double-128.
17370 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
17371 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
17372 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
17373 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
17375 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
17377 * config/s390/s390.c (override_options): Handle
17378 TARGET_DEFAULT_LONG_DOUBLE_128.
17380 * config/alpha/alpha.c (override_options): Handle
17381 TARGET_DEFAULT_LONG_DOUBLE_128.
17383 * config/sparc/sparc.c (sparc_override_options): Handle
17384 TARGET_DEFAULT_LONG_DOUBLE_128.
17386 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
17388 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
17389 (real-install-headers-tar, real-install-headers-cpio)
17390 (real-install-headers-cp): New targets.
17392 2006-02-22 Richard Sandiford <richard@codesourcery.com>
17394 * tree.h (variable_section): Delete.
17395 * varasm.c (variable_section): Delete.
17397 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
17399 * install.texi: Add notes on install.texi2html.
17400 (Building in parallel): Do not use footnotes.
17402 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
17405 * doc/install.texi (Configuration): Document --disable-libgomp.
17407 2006-02-21 Geoffrey Keating <geoffk@apple.com>
17409 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
17411 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
17413 * config/i386/sse.md (vec_extractv2df_1_sse): New.
17414 (vec_extractv2df_0_sse): New.
17416 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
17418 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
17419 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
17420 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
17421 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
17422 to the result of the expression.
17423 (def_cfa_1): Adjust.
17424 (frame_pointer_cfa_offset): Rename to...
17425 (frame_pointer_fb_offset): ... this. Adjust all uses.
17426 (convert_cfa_to_loc_list): Rename to...
17427 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
17428 Pass it on to build_cfa_loc.
17429 (compute_frame_pointer_to_cfa_displacement): Rename to...
17430 (compute_frame_pointer_to_fb_displacement): ... this. New
17431 offset parameter. Use it in computation.
17432 (gen_subprogram_die): Compute cfa_fb_offset with the new
17433 macro, and use it to compute the fb loc list and the
17436 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
17438 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
17439 replaced with register_operand.
17440 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
17441 non-DREG is expensive.
17442 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
17443 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
17446 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
17448 * doc/install.texi2html: Use set -e.
17450 2006-02-21 Richard Sandiford <richard@codesourcery.com>
17452 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
17453 (ASM_OUTPUT_SHARED_LOCAL): Delete.
17454 * doc/invoke.texi (-fshared-data): Delete.
17455 * common.opt (fshared-data): Delete.
17456 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
17457 (assemble_static_space): Remove #if 0 code.
17458 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
17459 (ASM_OUTPUT_SHARED_LOCAL): Poison.
17460 * config/cris/cris.h: Remove FIXME.
17462 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
17464 * doc/sourcebuild.texi (Front End Directory): No more double-colon
17467 2006-02-21 Jakub Jelinek <jakub@redhat.com>
17469 PR middle-end/26379
17470 * combine.c (simplify_shift_const_1): Disable nested shifts
17471 optimization for vector shifts.
17473 2006-02-20 Roger Sayle <roger@eyesopen.com>
17475 PR tree-optimization/26361
17476 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
17477 of unsigned integer types.
17479 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
17481 * tree-chrec.c (eq_evolutions_p): New.
17482 * tree-chrec.h (eq_evolutions_p): Declared.
17483 * tree-data-ref.c: Fix formatting.
17484 (datadep_stats, dependence_stats): New.
17486 (print_direction_vector): New.
17487 (dump_data_dependence_relation): Use print_direction_vector.
17488 (object_analysis, create_data_ref): Handle COMPONENT_REF.
17489 (compute_subscript_distance): Static.
17490 (initialize_data_dependence_relation): Static. Get the number
17491 of loops surrounding the references from the callers, and initialize
17492 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
17493 base_object_differ_p analyzers.
17494 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
17495 compute_overlap_steps_for_affine_1_2,
17496 analyze_subscript_affine_affine): Count the classified dependences.
17497 Print a message when a test failed.
17498 (can_use_analyze_subscript_affine_affine): New.
17499 (analyze_siv_subscript): Compute the data dependences on symbolic
17500 scevs that verify can_use_analyze_subscript_affine_affine.
17501 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
17502 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
17503 Handle symbolic scevs.
17504 (analyze_overlapping_iterations): Let symbolic affine scevs to be
17506 (subscript_dependence_tester): Moved...
17507 (build_classic_dist_vector, build_classic_dir_vector): Don't use
17508 lambda_vector_clear on newly allocated vectors. Get nb_loops from
17509 DDR_SIZE_VECT instead of getting it in parameter.
17510 (subscript_dependence_tester): ... here. Take as a parameter
17511 loop_nest_depth. Call build_classic_dist_vector and
17512 build_classic_dir_vector.
17513 (compute_affine_dependence): Update subscript_dependence_tester
17514 parameters. Update datadep_stats counters. Call
17515 compute_subscript_distance.
17516 (compute_self_dependence): Save the dist and dir vectors. Call
17517 compute_subscript_distance.
17518 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
17519 (compute_all_dependences): Reorder parameters as they were before
17520 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
17521 compute_subscript_distance. Update the use of
17522 compute_affine_dependence and initialize_data_dependence_relation.
17523 (find_data_references_in_loop): Handle COMPONENT_REF.
17524 (compute_data_dependences_for_loop): Initialize dependence_stats.
17525 Don't call build_classic_dist_vector and build_classic_dir_vector.
17526 Update the parameters of initialize_data_dependence_relation and
17527 compute_all_dependences. Print the statistics from datadep_stats.
17528 (analyze_all_data_dependences): Static. Not used until the pass for
17529 checking the data dependences is contributed.
17530 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
17531 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
17532 (initialize_data_dependence_relation, compute_affine_dependence,
17533 analyze_all_data_dependences, compute_subscript_distance): Removed.
17534 (print_direction_vector): New.
17535 * lambda.h (gcd): ... here.
17536 (lambda_vector_gcd): Moved here from gcd_vector.
17537 * lambda-code.c (gcd, gcd_vector): Removed.
17538 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
17539 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
17541 2006-02-20 Diego Novillo <dnovillo@redhat.com>
17543 * ipa-type-escape.c: Tidy some comments and white space.
17544 * tree-ssa-operands.c: Likewise.
17546 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
17549 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
17550 (dump_decl_name): Do not walk the decl tree chains.
17551 * tree-pass.h (TDF_CHAIN): Remove.
17553 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
17555 * Makefile.in (C): Remove
17557 (.PHONY): Remove C and PROTO
17559 2006-02-20 Roger Sayle <roger@eyesopen.com>
17561 PR middle-end/26236
17562 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
17563 deprecated CHAR_TYPE tree code.
17565 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
17567 * configure.ac (target_list): Add install-info, dvi, html.
17568 * configure: Regenerate.
17570 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
17571 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
17572 treelang/Make-lang.in: Do not use double-colon rules.
17574 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
17576 * tree.h (struct tree_memory_tag): Add is_used_alone member.
17577 (TMT_USED_ALONE): New macro.
17578 * tree-pass.h (PROP_tmt_usage): New property.
17579 (TODO_update_tmt_usage): New todo.
17580 * tree-ssa-alias.c (updating_used_alone): New variable.
17581 (recalculate_used_alone): New function.
17582 (compute_may_aliases): Set updating_used_alone, call
17583 recalculate_used_alone.
17584 * tree-sra.c (pass_sra): Note that this pass destroys
17585 PROP_tmt_usage, and add TODO_update_tmt_usage.
17586 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
17587 * tree-flow.h (updating_used_alone): Prototype.
17588 (recalculate_used_alone): Ditto.
17589 * passes.c (execute_todo): Add code to set updating_used_alone,
17590 and call recalculate.
17591 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
17592 for clobber if used alone, and add assert to verify used_alone
17595 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
17597 * config/s390/s390.c (legitimize_pic_address): Assertions checking
17598 for non tls symbols added.
17599 (legitimize_address): Do nothing for PLUS expressions if one of the
17600 addends is a tls symbol reference.
17602 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
17606 * Makefile.in (LDFLAGS): Define from autoconf substitution.
17608 * Makefile.in (BOOTSTRAPPING): New.
17609 (quickstrap): New definition if BOOTSTRAPPING=yes.
17611 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
17612 * configure.ac: Substitute all_selected_languages with the languages
17613 that were configured. For all the other variables except
17614 lang_specs_files, include all the languages in the tree.
17615 * configure: Regenerate.
17617 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
17618 if there is one. Run the commands to run fixincludes in the same
17621 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
17622 * doc/install.texi: Document exact conventions for searching target tools.
17623 Document --with-build-time-tools. Document toplevel bootstrap. Document
17624 something more about building an Ada cross-compiler. Don't list GNU Make
17625 requirements which affect all platforms.
17627 2006-02-19 Roger Sayle <roger@eyesopen.com>
17629 PR middle-end/19543
17630 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
17631 only equivalent if the have both the same mode and precision.
17633 2006-02-20 Ben Elliston <bje@au.ibm.com>
17635 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
17637 2006-02-19 Roger Sayle <roger@eyesopen.com>
17638 Steven Bosscher <stevenb.gcc@gmail.com>
17640 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
17641 constant pool references to identify stack mode constants.
17642 * rtlanal.c (constant_pool_constant_p): New predicate to check
17643 whether operand is a floating point constant in the pool.
17644 * rtl.h (constant_pool_constant_p): Prototype here.
17645 * loop.c (scan_loop): Avoid hoisting constants from the constant
17646 pool on STACK_REGS targets.
17647 (load_mems): Likewise.
17648 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
17649 loads into x87 registers expensive in terms of register pressure.
17651 2006-02-19 Roger Sayle <roger@eyesopen.com>
17653 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
17654 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
17656 2006-02-19 David Edelsohn <edelsohn@gnu.org>
17658 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
17659 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
17661 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
17663 * doc/invoke.texi: Document -fipa-pta.
17664 * common.opt: Add ipa-pta option.
17665 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
17666 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
17667 (do_ds_constraint): Ditto.
17668 (get_constraint_for): Only add to referenced_vars if
17669 referenced_vars exists.
17670 (insert_into_field_list): Rewrite to do this unsorted.
17671 (insert_into_field_list_sorted): Rename old insert_into_field_list
17673 (create_function_info_for): Use insert_into_field_list_sorted.
17674 (create_variable_info_for): Rewrite so it uses unsorted version,
17675 since the field list is sorted.
17676 (intra_create_variable_infos): Only add to referenced_vars if
17677 referenced_vars exists.
17678 (ipa_pta_execute): Init heapvars, and delete when done.
17679 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
17681 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17683 * doc/install.texi: Add missing `@samp'.
17685 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
17687 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
17690 2006-02-18 Mark Wielaard <mark@klomp.org>
17692 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
17693 who added new 4.1 features, bug fixes and integration support.
17695 2006-02-18 David Edelsohn <edelsohn@gnu.org>
17698 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
17699 MEM for ABI_V4 pic.
17701 2006-02-18 Richard Sandiford <richard@codesourcery.com>
17703 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
17704 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
17705 (copy_insn_1): Likewise. Don't copy each field individually.
17707 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
17709 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
17710 * rtl.c (rtx_size): Rename variable to...
17711 (rtx_code_size): ...this.
17712 (rtx_size): New function.
17713 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
17714 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
17716 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
17717 * rtl.h (rtx_code_size): New variable.
17718 (rtx_size): Change from a variable to a function.
17719 (RTX_SIZE): Rename to...
17720 (RTX_CODE_SIZE): ...this.
17723 PR tree-optimization/17106
17724 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
17725 (Anchored Addresses): New section.
17726 * doc/invoke.texi (-fsection-anchors): Document.
17727 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
17728 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
17729 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
17730 * hooks.c (hook_bool_mode_rtx_false): New function.
17731 * hooks.h (hook_bool_mode_rtx_false): Declare.
17732 * gengtype.c (create_optional_field): New function.
17733 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
17734 SYMBOL_REF_IN_BLOCK_P is true.
17735 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
17736 (min_anchor_offset, max_anchor_offset): Likewise.
17737 (use_anchors_for_symbol_p): New hook.
17738 * toplev.c (compile_file): Call output_object_blocks.
17739 (target_supports_section_anchors_p): New function.
17740 (process_options): Check that -fsection-anchors is only used on
17741 targets that support it and when -funit-at-a-time is in effect.
17742 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
17743 if the decl doesn't have one.
17744 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
17745 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
17746 of force_const_mem through use_anchored_address.
17747 (expand_expr_constant): New function.
17748 (expand_expr_addr_expr_1): Call it. Use the same modifier when
17749 calling expand_expr for INDIRECT_REF.
17750 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
17751 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
17752 * expr.h (use_anchored_address): Declare.
17753 * loop-unroll.c: Don't declare rtx vectors here.
17754 * explow.c: Include output.h.
17755 (validize_mem): Call use_anchored_address.
17756 (use_anchored_address): New function.
17757 * common.opt (-fsection-anchors): New switch.
17758 * varasm.c (object_block_htab, anchor_labelno): New variables.
17759 (hash_section, object_block_entry_eq, object_block_entry_hash)
17760 (use_object_blocks_p, get_block_for_section, create_block_symbol)
17761 (use_blocks_for_decl_p, change_symbol_section): New functions.
17762 (get_variable_section): New function, split out from assemble_variable.
17763 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
17764 use_blocks_for_decl_p say so. Use change_symbol_section if the
17765 symbol has already been created.
17766 (assemble_variable_contents): New function, split out from...
17767 (assemble_variable): ...here. Don't output any code for
17768 block symbols; just pass them to place_block_symbol.
17769 Use get_variable_section and assemble_variable_contents.
17770 (get_constant_alignment, get_constant_section, get_constant_size): New
17771 functions, split from output_constant_def_contents.
17772 (build_constant_desc): Create a block symbol if use_object_blocks_p
17773 says so. Or into SYMBOL_REF_FLAGS.
17774 (assemble_constant_contents): New function, split from...
17775 (output_constant_def_contents): ...here. Don't output any code
17776 for block symbols; just pass them to place_section_symbol.
17777 Use get_constant_section and get_constant_alignment.
17778 (force_const_mem): Create a block symbol if use_object_blocks_p and
17779 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
17780 (output_constant_pool_1): Add an explicit alignment argument.
17781 Don't switch sections here.
17782 (output_constant_pool): Adjust call to output_constant_pool_1.
17783 Switch sections here instead. Don't output anything for block symbols;
17784 just pass them to place_block_symbol.
17785 (init_varasm_once): Initialize object_block_htab.
17786 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
17787 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
17788 (place_block_symbol, get_section_anchor, output_object_block)
17789 (output_object_block_htab, output_object_blocks): New functions.
17790 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
17791 (TARGET_ASM_OUT): Include it.
17792 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
17793 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
17794 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
17795 (TARGET_INITIALIZER): Include them.
17796 * rtl.c (rtl_check_failed_block_symbol): New function.
17797 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
17798 (block_symbol, object_block): New structures.
17799 (rtx_def): Add a block_symbol field to the union.
17800 (BLOCK_SYMBOL_CHECK): New macro.
17801 (rtl_check_failed_block_symbol): Declare.
17802 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
17803 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
17804 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
17805 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
17806 * output.h (output_section_symbols): Declare.
17807 (object_block): Name structure.
17808 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
17809 (default_use_anchors_for_symbol_p): Declare.
17810 * Makefile.in (RTL_BASE_H): Add vec.h.
17811 (explow.o): Depend on output.h.
17812 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
17813 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
17814 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
17815 (rs6000_use_blocks_for_constant_p): New function.
17817 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17819 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
17821 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
17824 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
17827 2006-02-18 Diego Novillo <dnovillo@redhat.com>
17829 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
17833 2006-02-18 Jakub Jelinek <jakub@redhat.com>
17835 PR middle-end/26334
17836 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
17837 instead of DECL_REGISTER.
17839 2006-02-18 Olivier Hainque <hainque@adacore.com>
17842 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
17844 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
17847 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
17848 * opth-gen.awk: Handle Var and InverseMask together.
17849 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
17850 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
17851 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
17852 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
17854 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
17855 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
17856 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
17857 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17858 LINUX_DYNAMIC_LINKER): Define.
17859 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
17860 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
17862 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17863 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
17864 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17865 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17866 (TARGET_C99_FUNCTIONS): Don't define.
17867 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
17868 GLIBC_DYNAMIC_LINKER.
17869 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
17870 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
17871 GLIBC_DYNAMIC_LINKER64): Define.
17872 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
17873 LINUX_DYNAMIC_LINKER64.
17874 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17875 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17876 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
17877 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17878 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17879 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17880 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
17881 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
17882 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
17883 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
17884 and LINUX_DYNAMIC_LINKER32.
17885 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17886 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17887 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
17888 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17889 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
17891 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
17892 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
17893 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
17894 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17895 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
17896 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
17897 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
17898 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
17899 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17900 LINUX_DYNAMIC_LINKER): Define.
17901 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
17902 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
17903 GLIBC_DYNAMIC_LINKER64): Define.
17904 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
17905 LINUX_DYNAMIC_LINKER64.
17906 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17907 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17908 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
17909 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17910 LINUX_DYNAMIC_LINKER): Define.
17911 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17912 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
17913 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
17914 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
17915 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
17916 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
17917 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
17918 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
17919 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
17920 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17921 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17922 * doc/invoke.texi (-muclibc): Remove caveat about supported
17925 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
17927 * doc/cpp.texi (__TIMESTAMP__): Document.
17929 2006-02-17 Roger Sayle <roger@eyesopen.com>
17931 PR middle-end/25600
17932 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
17933 C is one less than the width of X (and related transformations).
17934 * simplify-rtx.c (simplify_unary_operation_1): Transform
17935 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
17936 depending on STORE_FLAG_VALUE, were C is one less then the
17939 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
17941 Fix PR tree-optimization/26341
17942 * tree-ssa-operands.c (add_virtual_operand): Remove assert
17943 about NAME_MEMORY_TAG's.
17945 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17948 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
17949 with hardware float support, and software float support. Add fcpy
17950 alternative to hardware patterns. Add alternatives to copy between
17951 general and floating-point registers to the 32-bit pattern.
17952 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
17953 secondary reload to load a QI or HI mode constant into a floating
17955 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
17956 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
17958 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
17961 * config/rs6000/darwin.md (load_macho_picbase_si): Add
17963 (load_macho_picbase_di): Likewise.
17965 2006-02-16 Jeff Law <law@redhat.com>
17967 * tree-vrp.c (set_value_range_to_nonnegative): New function.
17968 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
17969 (ssa_name_nonzero_p): Likewise.
17970 (get_value_range): Return NULL if VRP is not running.
17971 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
17972 VRP routines do not discover a range.
17973 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
17974 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
17975 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
17976 (tree_expr_nonnegative_p): Similarly.
17977 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
17978 (restore_nonzero_vars_to_original_value): Remove.
17979 (unsafe_associative_fp_binop): Remove.
17980 (tree_ssa_dominator_optimize): Remove initialization and
17981 finalization of nonzero_vars and nonzero_vars_stack.
17982 (dom_opt_initialize_block): No longer push marker on
17983 nonzero_vars_stack.
17984 (dom_opt_finalize_block): No longer call
17985 restore_nonzero_vars_to_original_value.
17986 (record_equivalences_from_phis): No longer look for
17987 nonzero PHI arguments.
17988 (cprop_into_successor_phis): No longer propagate nonzero
17989 property into PHI arguments. Lose unused argument. Caller
17991 (record_equivalences_from_stmt): No longer record nonzero
17992 values for SSA_NAMEs.
17993 (lookup_avail_expr): No longer use nonzero_vars.
17995 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
17996 for sizetype when sizetype is unsigned.
17998 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
18000 PR rtl-optimization/25603
18001 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
18002 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
18003 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
18004 with new meaning of SETS.
18006 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
18011 * config/linux.opt: New file.
18012 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
18013 LINUX_DYNAMIC_LINKER): Define.
18014 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
18015 * config.gcc (*-*-linux*): Define extra_options.
18016 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
18017 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
18018 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
18019 GLIBC_DYNAMIC_LINKER.
18020 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
18021 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18022 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18023 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18024 * doc/invoke.texi (GNU/Linux Options): New section.
18026 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
18028 * config/sparc/sparc.md (setjmp): Rewrite.
18029 (setjmp_32): Delete.
18030 (setjmp_64): Likewise.
18032 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
18034 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
18037 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
18039 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
18042 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
18044 PR rtl-optimization/26296
18045 * Makefile.in (loop-invariant.c): Add except.h dependency.
18046 * loop-invariant.c: Include except.h.
18047 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
18049 2005-02-16 Paul Brook <paul@codesourcery.com>
18051 * reload1.c (emit_reload_insns): Invalidate dead input registers used
18054 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
18056 PR rtl-optimization/25636
18057 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
18058 when deciding whether an insn is an initializing insn.
18060 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
18062 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
18063 (tree_code_size): Ditto.
18064 * tree.h (struct tree_memory_tag): Remove parent_var.
18065 (struct tree_struct_field_tag): New.
18068 (union tree_node): Add sft member.
18069 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
18071 (create_sft): Add size and offset argument, set SFT_OFFSET and
18073 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
18074 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
18075 * tree-flow-inline.h (get_subvar_at): Update for
18076 SFT_OFFSET/SFT_SIZE.
18077 (var_can_have_subvars): Ditto.
18078 (overlap_subvar): Ditto.
18079 * print-tree.c (print_node): Print out interesting things for
18081 * tree-flow.h (struct subvar): Remove offset and size members.
18082 * tree-ssa-operands.c (get_expr_operands): Update for
18083 get_indirect_ref_operands changes.
18084 (get_indirect_ref_operands): Call add_virtual_operand instead of
18085 add_stmt_operand. Only recurse on base var if requested.
18086 (access_can_touch_variable): New function.
18087 (add_stmt_operand): Split virtual operand handling into ...
18088 (add_virtual_operand): Here. Add offset, size, and for_clobber
18089 arguments. Prune alias sets.
18090 (add_call_clobber_ops): Call add_virtual_operand.
18092 2006-02-15 Jakub Jelinek <jakub@redhat.com>
18094 PR middle-end/26300
18095 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
18097 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
18098 than TREE_CODE as index into omp_clause_num_ops array.
18100 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
18102 PR rtl-optimization/26184
18103 * modulo-sched.c (generate_reg_moves): Free bitmap vector
18105 * modulo-sched.c (sms_schedule): Free g_arr pointer.
18106 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
18107 must_precede, must_follow and tobe_scheduled.
18110 * opts.c (common_handle_option): Free new_option pointer.
18111 * df-core.c (df_analyze): Free postorder pointer.
18113 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
18115 * Makefile.in: Fix the examples about the use of stamps
18117 2006-02-15 Michael Matz <matz@suse.de>
18119 PR middle-end/22275
18121 * stor-layout.c (layout_decl): Zero-width bitfields aren't
18122 influenced by maximum_field_alignment or DECL_PACKED.
18123 (update_alignment_for_field): Ditto.
18124 (place_field): Ditto.
18125 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
18128 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
18130 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
18131 (debug_flow_info): Pass it.
18132 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
18133 * bb-reorder.c (reorder_basic_blocks): Likewise.
18134 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
18135 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
18136 * flow.c (life_analysis, recompute_reg_usage): Likewise.
18137 * gcse.c (gcse_main, bypass_jumps): Likewise.
18138 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
18139 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
18140 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
18141 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
18142 * rtl.h (dump_flow_info): Adjust prototype.
18143 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
18144 * var-tracking.c (variable_tracking_main): Likewise.
18145 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
18146 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
18149 2006-02-15 Marcin Dalecki <martin@dalecki.de>
18151 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
18154 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
18156 PR tree-optimization/26209
18157 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
18158 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
18160 * tree-cfg.c (replace_uses_by): Do not alter cfg.
18162 2006-02-14 Roger Sayle <roger@eyesopen.com>
18164 PR middle-end/23670
18165 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
18166 (X,Y) and the corresponding symmetry related transformations.
18167 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
18168 (X,Y) and its symmetry related transformations.
18170 2006-02-14 Roger Sayle <roger@eyesopen.com>
18172 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
18175 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
18177 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
18179 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
18182 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
18183 support COMDAT group.
18184 * configure: Regenerate.
18186 2006-02-14 Roger Sayle <roger@eyesopen.com>
18188 PR middle-end/26279
18189 PR middle-end/26280
18190 PR middle-end/26283
18191 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
18193 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
18195 Fix PR tree-optimization/26260
18197 * doc/invoke.texi (max-fields-for-field-sensitive): Document
18199 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
18200 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
18201 * tree-ssa-structalias.c (create_variable_info_for): Use
18202 MAX_FIELDS_FOR_FIELD_SENSITIVE.
18204 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
18206 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
18208 * tree-ssa-loop-niter.c (number_of_iterations_ne,
18209 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
18210 of the ending condition.
18211 * tree-ssa-loop-manip.c: Include params.h.
18212 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
18213 tree_unroll_loop): New functions.
18214 * tree-pass.h (pass_loop_prefetch): Declare.
18215 * loop.c (rest_of_handle_loop_optimize): Test for
18216 -fprefetch-loop-arrays-rtl.
18217 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
18218 * timevar.def (TV_TREE_PREFETCH): New timevar.
18219 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
18220 pass_loop_prefetch): New.
18221 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
18222 (cleanup_tree_cfg_loop): Call scev_reset.
18223 * common.opt (fprefetch-loop-arrays-rtl): Add.
18224 * tree-ssa-loop-prefetch.c: New file.
18225 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
18226 (new_temp_expr_table): Initialize expr_vars.
18227 (free_temp_expr_table): Cleanup expr_vars.
18228 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
18229 expressions from being merged into one.
18230 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
18231 (struct tree_niter_desc): Add control, bound and cmp fields.
18232 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
18234 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
18235 (tree-cfgcleanup.o): Add SCEV_H dependency.
18236 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
18237 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
18239 2006-02-14 Richard Guenther <rguenther@suse.de>
18241 PR tree-optimization/26258
18242 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
18243 in PHI argument processing.
18245 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
18247 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
18248 new expression in the requested machine mode.
18250 2006-02-13 Roger Sayle <roger@eyesopen.com>
18252 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
18253 directly, instead let do_compare_rtx_and_jump handle this for us.
18254 * expr.c (expand_expr_real_1): Likewise.
18255 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
18256 before do_jump_by_parts_greater.
18257 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
18258 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
18260 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18262 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
18264 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
18266 PR rtl-optimization/26235
18267 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
18268 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
18271 2006-02-13 Jeff Law <law@redhat.com>
18273 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
18276 2006-02-13 Jakub Jelinek <jakub@redhat.com>
18278 PR middle-end/26092
18279 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
18280 twice if decl is a builtin. When trying again, call get_callee_fndecl
18281 first to verify it is still a builtin.
18283 2006-02-13 Geoffrey Keating <geoffk@apple.com>
18285 * dwarf2out.c (base_type_die): Don't add AT_name here.
18286 (subrange_type_die): Don't add AT_name here.
18287 (modified_type_die): Rearrange code flow. Do add AT_name here.
18289 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
18291 PR rtl-optimization/26247
18292 PR rtl-optimization/26248
18293 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
18295 2006-02-13 Richard Sandiford <richard@codesourcery.com>
18297 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
18298 * config/fixtfdi.c: Likewise.
18299 * config/fixunstfdi.c: Likewise.
18300 * config/floatditf.c: Likewise.
18302 2006-02-13 Roger Sayle <roger@eyesopen.com>
18304 PR middle-end/24427
18305 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
18306 into (X,C2) if C1 is a subset of the bits of C2. Transform
18307 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
18309 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
18311 2006-02-13 Josh Conner <jconner@apple.com>
18314 * varasm.c (function_section): Check for section name before
18315 calling select_section on targets that define
18316 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
18317 unlikely_text_section instead of hot_function_section if
18318 first_function_block_is_cold.
18320 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
18322 PR middle-end/25335
18323 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
18325 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18327 PR rtl-optimization/26222
18328 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
18329 after tree->rtl expansion.
18330 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
18331 before passing it to emit_move_insn.
18333 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
18335 * doc/invoke.texi (-Write-strings): Document that it is enabled by
18337 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
18338 Clarify documentation.
18339 * c-common.h (warn_write_strings): Remove.
18340 * c-common.c (warn_write_strings): Likewise.
18341 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
18344 2006-02-12 Roger Sayle <roger@eyesopen.com>
18346 PR middle-end/25724
18347 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
18348 (do_jump_parts_zero_rtx): New function renamed from
18349 do_jump_parts_equality_rtx. Made static. Add a mode argument.
18350 (do_jump_parts_equality_rtx): New function split out from
18351 do_jump_parts_equality. Old implementation renamed as above.
18352 Call do_jump_parts_zero_rtx if either operand is zero.
18353 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
18354 do all of the heavy lifting.
18355 (do_compare_rtx_and_jump): Handle multi-word comparisons by
18356 calling either do_jump_by_parts_greater_rtx or
18357 do_jump_by_parts_equality_rtx.
18358 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
18359 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
18360 moved to do_compare_rtx_and_jump, call it directly.
18361 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
18362 mode argument. Call do_compare_rtx_and_jump.
18363 (emit_case_nodes): Update calls to do_jump_if_equal.
18365 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18367 PR rtl-optimization/26225
18368 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
18370 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18372 PR rtl-optimization/26232
18373 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
18375 2006-02-11 Jason Merrill <jason@redhat.com>
18378 * tree-inline.c (declare_return_variable): Just don't use the
18379 modify target if it's a gimple complex reg and the return slot
18382 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18384 * doc/contrib.texi: Update my entry.
18386 2006-02-10 Geoffrey Keating <geoffk@apple.com>
18388 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
18390 2006-02-10 Diego Novillo <dnovillo@redhat.com>
18392 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
18395 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
18397 * doc/invoke.texi (-floop-optimize2): Removed.
18398 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
18399 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
18400 Test flag_branch_on_count_reg only if HAVE_doloop_end.
18401 * common.opt (floop-optimize2): Removed.
18402 (fmove-loop-invariants): Enabled by default.
18404 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
18406 * tree-if-conv.c (combine_blocks): Free the result of
18407 get_loop_exit_edges.
18409 2006-02-10 Jeff Law <law@redhat.com>
18411 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
18413 PR tree-optimization/26213
18414 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
18415 loop trying to follow SSA_NAME_VALUE chains.
18417 2006-02-10 Richard Guenther <rguenther@suse.de>
18419 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
18420 deal with structures that end in implicitly variable sized arrays.
18422 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
18424 PR rtl-optimization/24762
18425 * df-scan.c (df_bb_refs_record): Record correct registers defined on
18428 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
18430 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
18431 (struct ivopts_data): Add regs_used field.
18432 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
18433 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
18434 instead of loop_data->regs_used;
18435 (free_loop_data): Do not free aux fields for loops.
18436 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
18437 and tree_ssa_iv_optimize_finalize.
18439 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
18441 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
18443 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
18446 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
18447 computing the effective result type.
18449 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
18451 PR inline-asm/16194
18452 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
18453 (tree_overlaps_hard_reg_set): Declare.
18454 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
18455 type and signature to match function type expected by walk_tree.
18456 (tree_overlaps_hard_reg_set): New function.
18457 (decl_conflicts_with_clobbers_p): Rename to:
18458 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
18459 Use tree_overlaps_hard_reg_set. Changed caller.
18460 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
18461 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
18462 * cris.c (cris_md_asm_clobbers): Likewise.
18464 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
18466 * reload1.c (emit_input_reload_insns): Delete code that tries to
18467 inherit using find_equiv_reg.
18469 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
18471 * c-common.h (flag_const_strings): Don't declare.
18472 * c-common.c (flag_const_strings): Remove.
18473 * c.opt (fconst_strings): Remove.
18474 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
18475 <OPT_Wwrite_strings>: Don't set flag_const_strings.
18476 (c_common_init_options): Don't set flag_const_strings.
18477 * doc/invoke.texi (-fno-const-strings): Remove documentation.
18479 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
18481 * arm.md (tlobits_cbranch): New pattern.
18482 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
18483 testing a single bit.
18485 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18488 * tree-ssa-pre.c (create_component_ref_by_pieces):
18489 Handle RETURN_DECL like VAR_DECL.
18491 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18493 PR middle-end/26134
18494 * fold-const.c (fold_indirect_ref_1): Fold
18495 "*(foo *)&complexfoo" to "__real__ complexfoo"
18496 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
18498 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18500 * tree-flow-inline.h (var_can_have_subvars):
18501 Volatile variables should not have subvariables.
18503 2006-02-09 Diego Novillo <dnovillo@redhat.com>
18506 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
18507 multiplying unsigned values.
18510 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
18512 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
18514 2006-02-08 Jason Merrill <jason@redhat.com>
18517 * tree.def: Elaborate on difference from MODIFY_EXPR.
18518 * doc/c-tree.texi (INIT_EXPR): Likewise.
18519 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
18520 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
18521 (gimplify_target_expr): Likewise.
18522 (gimplify_cond_expr): Remove target handling.
18523 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
18524 (gimplify_expr): Clobber it here.
18525 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
18526 Do return slot optimization if we have an INIT_EXPR.
18529 * tree-inline.c (declare_return_variable): Also clear
18530 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
18533 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
18535 PR middle-end/22439
18536 * gimplify.c (gimplify_one_sizepos): Fix typo.
18538 2006-02-08 Jeff Law <law@redhat.com>
18540 PR tree-optimization/21417
18541 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
18542 across a backedge if the control statement at the end of the
18543 block is data dependent on other statements in the same block.
18544 (record_temporary_equivalences_from_stmts): Remove over-conservative
18545 test for threading across backedges.
18547 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
18548 control statement, handle all three special cases in the same
18549 manner as they all have the same desired solution. No longer
18550 special case edge flag updating when the post dominator is
18553 2006-02-08 Roger Sayle <roger@eyesopen.com>
18555 * tree.def (CHAR_TYPE): Remove.
18556 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
18557 * dwarf2out.c (base_type_die, is_base_type): Likewise.
18558 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
18559 (gen_string_type_die): Delete unreachable function.
18561 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
18562 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
18563 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
18564 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
18565 * builtins.c (type_to_class): Likewise.
18566 * fold-const.c (fold_convert, build_range_check,
18567 merge_ranges): Likewise.
18568 * expr.c (count_type_elements): Likewise.
18569 * c-pretty-print.c (pp_c_type_specifier): Likewise.
18570 * stor-layout.c (layout_type): Likewise.
18571 * ipa-type-escape.c (type_to_consider): Likewise.
18572 * gimplify.c (omp_firstprivatize_type_sizes,
18573 gimplify_type_sizes): Likewise.
18574 * explow.c (promote_mode): Likewise.
18575 * tree-sra.c (is_sra_scalar_type): Likewise.
18576 * varasm.c (output_constant): Likewise.
18577 * tree-inline.c (remap_type_1): Likewise.
18578 * convert.c (convert_to_pointer, convert_to_real,
18579 convert_to_integer, convert_to_complex): Likewise.
18581 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
18583 * df-scan.c (df_def_record_1): A set destination may
18584 be a parallel regardless of mode.
18586 2006-02-08 Roger Sayle <roger@eyesopen.com>
18589 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
18590 * config/mips/_tilib.c: Remove.
18591 * config/fixtfdi.c: New libgcc source file.
18592 * config/fixunstfdi.c: New source file.
18593 * config/floatditf.c: New source file.
18594 * config/floatunditf.c: New souce file.
18595 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
18596 files above instead of config/mips/_tilib.c.
18597 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
18599 2006-02-08 Jeff Law <law@redhat.com>
18601 PR tree-optimization/26169
18602 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
18605 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
18607 * df.h (DF_REG_SIZE): Return the length of the initialized
18610 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
18612 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
18613 __muldf3): Return a correctly signed zero.
18615 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
18617 * passes.c (register_one_dump_file): Accept the current properties
18618 instead of pass number. Adjust call to dump_register. Remove
18620 (register_dump_files): Now a wrapper around...
18621 (register_dump_files_1): ... this one. Do not modify the pass
18623 (next_pass_1): Cosmetic fix.
18624 (execute_todo): Keep second parameter only. Use curr_properties
18625 instead of fetching it from the pass structure. Check and set
18627 (execute_one_pass): Handle TODO_set_props. Use curr_properties
18628 instead of fetching it from the pass structure. Fix calls to
18629 execute_todo. Update curr_properties and initialize .vcg RTL dump
18630 after running the pass. Reset last_verified.
18631 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
18633 (FIRST_AUTO_NUMBERED_DUMP): New.
18634 (dump_register): Remove "num" parameter, assign it within the
18636 (get_dump_file_name): Modify template for dumps.
18637 * tree-dump.h (dump_register): Adjust prototype.
18638 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
18639 (PROP_trees): Add PROP_gimple_lomp.
18640 (TODO_set_props): New.
18641 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
18642 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
18643 * cfgexpand.c (pass_expand): Destroy PROP_trees.
18645 2006-02-08 Jakub Jelinek <jakub@redhat.com>
18647 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
18648 (sparc64-*-linux*): Likewise.
18649 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
18650 * config/sparc/t-linux: New file.
18651 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
18652 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
18653 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
18654 -m32 -mlong-double-128.
18656 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
18657 * config/alpha/t-linux: New file.
18658 * config/alpha/libgcc-alpha-ldbl.ver: New file.
18660 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
18661 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
18662 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
18663 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
18664 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
18665 (CPP_ARCH32_SPEC): Remove.
18667 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
18669 PR tree-optimization/26145
18670 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
18673 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18676 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
18677 >= 240000 when generating code for SOM runtime.
18678 (output_indirect_call): Don't use "b,l" instruction for indirect calls
18679 to $$dyncall when generating code for SOM runtime..
18681 2006-02-07 Dirk Mueller <dmueller@suse.com>
18684 * doc/invoke.texi (-Wsequence-point): Update documentation
18685 that -Wsequence-point is implemented for C++ as well.
18687 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
18689 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
18690 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
18691 (LIB_SPEC): Likewise.
18692 * doc/invoke.texi (SPARC options): Document -pthread.
18694 2006-02-07 Geoffrey Keating <geoffk@apple.com>
18696 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
18699 2006-02-07 Roger Sayle <roger@eyesopen.com>
18701 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
18702 Correct comment describing BOOLEAN_TYPE.
18704 2006-02-07 Dirk Mueller <dmueller@suse.com>
18706 * c.opt: C++ frontend supports -Wdiv-by-zero.
18707 * c-opts.c (c_common_handle_option): Remove dead case.
18709 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
18711 * configure.ac (TLS assembler check): Do not enable TLS by
18712 default on SPARC/Solaris before version 10.
18713 * configure: Regenerate.
18715 2006-02-07 David Edelsohn <edelsohn@gnu.org>
18717 * doc/invoke.texi (xl-compat): Document conversion and support
18720 2006-02-07 Jeff Law <law@redhat.com>
18722 * tree-vrp.c (find_conditional_asserts): Update comments.
18723 (simplify_stmt_for_jump_threading): New.
18724 (identify_jump_threads, finalize_jump_threads): New.
18725 (vrp_finalize): Call identify_jump_threads.
18726 (execute_vrp): Call finalize_jump_threads.
18727 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
18728 (vrp_element, vrp_data, vrp_element_p): Remove.
18729 (vrp_hash_elt, vrp_variables_stack): Remove.
18730 (vrp_hash, vrp_eq, record_range): Remove.
18731 (simplify_cond_and_lookup_avail_expr): Remove.
18732 (extract_range_from_cond): Remove.
18733 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
18734 (simplify_stmt_for_jump_threading): New.
18735 (dom_thread_across_edge): New wrapper.
18736 (tree_ssa_dominator_optimize): No longer initialize or
18737 finalize any of the VRP datastructures. Remove iteration
18738 step and simplify as a result of removal of iteration step.
18739 (pass_dominator): Perform a cfg cleanup after DOM.
18740 (dom_opt_finalize_block): Use the new common routines
18741 for threading jumps. Simplify stack management slightly.
18742 No longer need to unwind VRP state.
18743 (record_equivalences_from_incoming_edge): No longer record
18745 (eliminate_redundant_computations): No longer call
18746 simplify_cond_and_lookup_avail_expr.
18747 * tree-flow.h (potentially_threadable_block): Prototype.
18748 (thread_across_edge): Likewise.
18749 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
18750 (tree-ssa-threadedge.o): Add dependencies.
18751 * tree-ssa-threadedge.c: New file.
18752 * passes.c (init_optimization_passes): Merge PHIs before
18753 calling VRP. Run VRP again late in the SSA optimization pipeline.
18755 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
18757 * df-core.c (df_set_blocks): Do not dereference function pointers.
18758 (df_finish1): Likewise.
18759 (df_hybrid_search_forward): Likewise.
18760 (df_hybrid_search_backward): Likewise.
18761 (df_iterative_dataflow): Likewise.
18762 (df_analyze_problem): Likewise.
18763 (df_compact_blocks): Likewise.
18764 (df_dump): Likewise.
18765 * df-scan.c (df_rescan_blocks): Likewise.
18766 (df_record_entry_block_defs): Likewise.
18768 * genconditions.c (write_conditions): Guard the definition of
18769 'insn_conditions' with the check on GCC version.
18770 (write_writer): Guard the traversal 'insn_conditions' with
18771 the check on GCC version.
18773 2006-02-07 Richard Guenther <rguenther@suse.de>
18777 2006-01-30 Richard Guenther <rguenther@suse.de>
18779 * gimplify.c (gimplify_target_expr): Handle easy cases
18780 without creating a temporary.
18782 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
18784 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
18785 use of float in probability computations. Use edge probabilities
18786 in place of statically computed probabilities.
18787 (min_spec_prob): New static variable.
18788 (schedule_insns): Initialize it.
18789 (GET_SRC_PROB): Removed.
18790 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
18792 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
18795 * config/ia64/unwind-ia64.c: Revert last change.
18796 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
18797 (INCOMING_FRAME_SP_OFFSET): Define.
18799 2006-02-06 Roger Sayle <roger@eyesopen.com>
18801 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
18803 2006-02-07 Ben Elliston <bje@au.ibm.com>
18805 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
18806 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
18807 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
18808 (ix86_return_in_memory): Handle TDmode.
18809 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
18810 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
18812 2006-02-06 Richard Sandiford <richard@codesourcery.com>
18814 * reorg.c (dbr_schedule): Use dump_file instead of file.
18816 2006-02-06 Steve Ellcey <sje@cup.hp.com>
18819 * config/ia64/predicates.md (extr_len_operand): New predicate.
18820 * config/ia64/ia64.md (extv): Tighten constraints.
18822 (*tbit_and_2): Ditto.
18823 (*tbit_and_3): Ditto.
18824 (*tbit_or_2): Ditto.
18825 (*tbit_or_3): Ditto.
18826 (*bit_zero): Ditto.
18829 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
18832 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
18834 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
18836 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
18837 loop_optimizer_init and loop_optimizer_finalize
18838 * tree-ssa-sink.c (execute_sink_code): Ditto.
18839 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
18840 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
18841 tree_ssa_loop_done): Ditto.
18842 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
18843 * sched-ebb.c: Include output.h.
18844 (schedule_ebbs): Do not use dump argument.
18845 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
18846 * loop.c (loop_dump_stream): Removed.
18847 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
18849 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
18850 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
18851 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
18852 loop_iterations, strength_reduce, record_biv, record_giv,
18853 final_giv_value, check_final_value, check_ext_dependent_givs,
18854 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
18855 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
18856 dump_file instead of loop_dump_stream.
18857 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
18858 argument dump_file.
18859 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
18861 * flow.c (life_analysis, rest_of_handle_life): Ditto.
18862 * haifa-sched.c: Include output.h
18863 (schedule_insns, sched_init): Do not use dump argument.
18864 * mode-switching.c (optimize_mode_switching): Ditto.
18865 * modulo-sched.c (stats_file): Removed.
18866 (print_node_sched_params): Do not call argument dump_file.
18867 (sms_schedule_by_order, loop_canon_p, sms_schedule,
18868 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
18870 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
18872 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
18873 rtl_loop_init, rtl_loop_done): Ditto.
18874 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
18875 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
18877 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
18878 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
18879 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
18880 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
18881 * emit-rtl.c (renumber_insns): Ditto.
18882 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
18883 expand_gimple_basic_block, tree_expand_cfg): Ditto.
18884 * regclass.c (regclass): Ditto.
18885 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
18886 remove_ssa_form, rewrite_out_of_ssa): Ditto.
18887 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
18888 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
18890 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
18891 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
18893 * gcse.c (gcse_file, debug_stderr): Removed.
18894 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
18895 rest_of_handle_gcse): Do not use dump argument.
18896 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
18897 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
18898 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
18899 compute_code_hoist_vbeinout, compute_code_hoist_data,
18900 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
18901 compute_store_table, build_store_vectors, insert_insn_start_bb,
18902 insert_store, remove_reachable_equiv_notes, replace_store_insn,
18903 store_motion): Use dump_file instead of gcse_file.
18904 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
18905 * profile.c (profile_dump_file): Removed.
18906 (branch_prob): Use dump_file instead of profile_dump_file.
18907 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
18909 * tree-ssa-copy.c (dump_copy_of): Ditto.
18910 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
18911 dump file to life_analysis.
18912 * bt-load.c (branch_target_load_optimize): Ditto.
18913 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
18915 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
18916 regclass, dbr_schedule): Declaration changed.
18917 * sched-int.h (sched_init): Declaration changed.
18918 * tree-profile.c (tree_profile_dump_file): Removed.
18919 (tree_profile_hooks): Removed profile_dump_file hook.
18920 * rtl-profile (rtl_profile_dump_file): Removed.
18921 (rtl_profile_hooks): emoved profile_dump_file hook.
18922 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
18924 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
18925 * tree-cfg.c (build_tree_cfg): Ditto.
18926 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
18927 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
18928 Declaration changed.
18929 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
18930 life_analysis and schedule_insns.
18931 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
18933 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
18935 * config/mips/mips.c (mips_reorg): Ditto.
18936 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
18939 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
18941 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
18942 (s390_mangle_fundamental_type): New.
18943 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
18946 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
18947 (alpha_mangle_fundamental_type): New.
18948 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
18951 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
18953 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
18955 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
18956 (sparc_mangle_fundamental_type): New.
18958 2006-02-06 Jakub Jelinek <jakub@redhat.com>
18960 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
18961 (s390x-*-linux*): Likewise.
18962 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
18963 * config/s390/t-linux: New file.
18965 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
18967 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
18968 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
18970 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
18972 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
18973 (ANTIC_SAFE_LOADS): New macro.
18974 (find_or_generate_expression): Add prototype.
18975 (set_contains_value): Allow null set for sake of not always having
18976 to allocate ANTIC_SAFE_LOADS.
18977 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
18978 Allow COMPONENT_REF too.
18979 (valid_in_set): Allow COMPONENT_REF.
18980 Check ANTIC_SAFE_LOADS too.
18981 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
18982 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
18984 (can_PRE_operation): Add COMPONENT_REF.
18985 (create_component_ref_by_pieces): New function.
18986 (create_expression_by_pieces): Use create_component_ref_by_pieces.
18987 (insert_aux): Move AGGREGATE_TYPE_P check here.
18988 (compute_avail): Set bb local stmt uids.
18989 (pass_pre): Use TODO_update_ssa_only_virtuals.
18991 2006-02-06 Ben Elliston <bje@au.ibm.com>
18993 * configure.ac: Unconditionally disable decimal float by default.
18994 * configure: Regenerate.
18996 2006-02-06 Ben Elliston <bje@au.ibm.com>
18998 * read-rtl.c (read_name): Terminate reading on EOF.
19000 2006-02-06 Ben Elliston <bje@au.ibm.com>
19002 * dfp.c (decimal_real_arithmetic): Change second argument type
19003 from int to enum tree_code. Do not always return true, but now
19004 return result of any call to decimal_do helper functions.
19005 * dfp.h (decimal_real_arithmetic): Update prototype.
19007 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
19009 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
19011 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
19014 * tree-cfg.c (cleanup_dead_labels): Also don't remove
19017 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
19019 * tree-vrp.c (cfg_loops): Removed.
19020 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
19021 Use current_loops instead of cfg_loops. Pass flags to
19022 loop_optimizer_init.
19023 * cfgloopmanip.c (fix_loop_structure): Update only available
19025 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
19026 loop_optimizer_init.
19027 * modulo-sched.c (build_loops_structure): Removed.
19028 (sms_schedule): Use loop_optimizer_init.
19029 * loop-init.c (loop_optimizer_init): Use flags to determine
19030 which properties of loops to prepare.
19031 (rtl_loop_init): Pass flags to loop_optimizer_init.
19032 * tree-ssa-sink.c (execute_sink_code): Ditto.
19033 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
19034 * tree-ssa-pre.c (init_pre): Ditto.
19035 * cfgloop.h (LOOPS_NORMAL): New.
19036 (loop_optimizer_init): Declaration changed.
19038 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19040 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
19041 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
19043 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
19045 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
19047 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
19048 * pa/t-pa64: Delete quadlib.c rule.
19049 * pa/x-ada: Revert last change.
19050 * pa/t-pa: Revert last change. Delete quadlib.c rule.
19052 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
19054 PR rtl-optimization/26087
19055 * rtlanal.c (canonicalize_condition): Do not cross basic block
19058 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
19061 * config/ia64/ia64.c: Include debug.h.
19062 (MAX_ARTIFICIAL_LABEL_BYTES): New.
19063 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
19064 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
19065 (process_epilogue, process_set, process_for_unwind_directive):
19066 Output unwind info only if requested. Add CFA info if requested.
19067 Add new arguments as needed. Adjust callers.
19068 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
19070 (DWARF2_FRAME_INFO): Define to zero.
19071 * config/ia64/unwind-ia64.c: Remove code that compensated for
19072 the CFA offset error fixed above.
19073 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
19074 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
19075 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
19076 -funwind-tables and -fexceptions to enable frame info.
19077 (dwarf2out_frame_init): Define initial CFA even if
19078 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
19079 DWARF2_UNWIND_INFO is nonzero, not just defined.
19080 (dwarf2out_frame_finish): Output non-EH call frame info only
19081 if DWARF2_FRAME_INFO is nonzero.
19082 (convert_cfa_to_loc_list,
19083 compute_frame_pointer_to_cfa_displacement): Define even if
19084 unwind info is not supported.
19085 (gen_subprogram_die): Use the above unconditionally. Remove
19086 legacy alternate code.
19087 * toplev.c (compile_file): Compile in call to
19088 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
19089 (lang_dependent_init): Ditto for dwarf2out_frame_init.
19091 2006-02-04 David Edelsohn <edelsohn@gnu.org>
19092 Jakub Jelinek <jakub@redhat.com>
19094 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
19095 IBM extended float format long double as "g" on powerpc*-linux.
19097 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19100 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
19101 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
19103 2006-02-03 Jason Merrill <jason@redhat.com>
19106 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
19108 PR middle-end/25977
19109 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
19110 on the return slot if it's an NRV.
19112 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
19114 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
19115 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
19116 rewrite_use): Do not handle USE_OUTER.
19117 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
19118 add_iv_outer_candidates, may_replace_final_value,
19119 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
19120 (find_interesting_uses_op): Functionality of
19121 find_interesting_uses_outer_or_nonlin moved here.
19122 (find_interesting_uses_outside): Use find_interesting_uses_op.
19124 2006-02-03 Alan Modra <amodra@bigpond.net.au>
19127 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
19129 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
19130 Ulrich Weigand <uweigand@de.ibm.com>
19133 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
19134 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
19135 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
19136 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
19138 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
19139 (s390_rtx_costs): Use the new fields to calculate rtx costs.
19140 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
19141 Define secondary reloads for TFmode moves.
19142 (constant_modes): Add TFmode.
19143 (NR_C_MODES): Set to 8.
19144 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
19146 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
19147 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
19148 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
19149 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
19150 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
19151 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
19152 (FPR mode macro): Add TFmode.
19153 (DSF mode macro): New.
19154 (<de>, <dee> mode attributes): Removed.
19155 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
19156 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
19157 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
19158 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
19159 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
19160 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
19161 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
19162 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
19163 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
19164 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
19165 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
19166 "*negabs<mode>2", "sqrt<mode>2"):
19167 Changed <de> to <xde>. R constraint replaced by <Rf>.
19168 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
19170 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
19171 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
19172 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
19174 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
19175 "extenddftf2", "extendsftf2"): New expanders.
19176 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
19177 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
19178 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
19179 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
19181 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
19182 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
19183 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
19184 __floatditf): Add a GCC_4.1.0 symbol version tag.
19185 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
19188 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
19191 * config/i386/i386.c (ix86_function_ok_for_sibcall):
19192 Use targetm.binds_local_p instead of TREE_PUBLIC.
19194 2006-02-02 Roger Sayle <roger@eyesopen.com>
19196 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
19197 on INTEGER_TYPEs to indicate that it denotes a character type.
19198 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
19199 signed_char_type_node, unsigned_char_type_node and char_type_node.
19200 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
19201 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
19202 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
19204 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
19205 Daniel Berlin <dberlin@dberlin.org>
19207 * tree-tailcall.c (arg_needs_copy_p): New function.
19208 (eliminate_tail_call): Use arg_needs_copy_p.
19209 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
19210 (add_virtual_phis): New function.
19212 2006-02-02 Jakub Jelinek <jakub@redhat.com>
19214 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
19215 #ignore instead of #scratch for %g7 .register directive.
19217 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
19219 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
19222 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
19224 * flow.c (calculate_global_regs_live): Assert that there aren't any
19227 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
19229 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
19230 what its name says.
19231 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
19232 bsi_after_labels iterator.
19233 * tree-if-conv.c (find_phi_replacement_condition,
19234 replace_phi_with_cond_modify_expr): Likewise.
19235 * tree-scalar-evolution.c (scev_const_prop): Likewise.
19236 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
19238 2006-02-02 Diego Novillo <dnovillo@redhat.com>
19240 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
19242 2006-02-02 Diego Novillo <dnovillo@redhat.com>
19245 * tree-cfg.c (move_block_to_fn): Clear out the basic block
19246 array after growing it.
19248 2006-02-01 Steve Ellcey <sje@cup.hp.com>
19250 PR middle-end/24901
19251 * fold-const.c (fold_checksum_tree): Change type of buf.
19253 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
19255 * reload.c (push_secondary_reload): Initialize t_icode.
19257 2006-02-01 Jakub Jelinek <jakub@redhat.com>
19259 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
19260 -msoft-float -mlong-double-128 only issue a warning, but don't
19261 swich to DFmode long double.
19263 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
19265 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
19266 has a constant equivalent, iterate over equivalents for arg0,
19267 calling simplify_relational_operation and if there's a result
19268 cheaper than X, apply fold_rtx and return the result.
19270 2006-02-01 Jan Hubicka <jh@suse.cz>
19272 * opts.c (no_unit_at_a_time_default): New global variable.
19273 (decode_options): Use it.
19274 * opts.h (no_unit_at_a_time_default): Declare.
19276 2006-02-01 Paul Brook <paul@codesourcery.com>
19278 * function.c (assign_parm_setup_reg): Use function argument promotion
19280 * expr.c (expand_expr_real_1): Use function argument promotion rules
19283 2006-02-01 Steve Ellcey <sje@cup.hp.com>
19285 * gcc.c (process_command): Change j to 'unsigned int'.
19287 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19289 PR middle-end/26001
19290 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
19291 Use the corrected index for the character
19292 out of the string constant.
19294 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19296 * mode-switching.c (optimize_mode_switching): Fix size
19297 allocated for bb_info[n_entities].
19299 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19301 * gcc.c (main): Correct type that is allocated for
19302 explicit_link_files.
19304 2006-01-31 Jakub Jelinek <jakub@redhat.com>
19306 * config/s390/s390.c (init_alignment_context): Set
19307 ALIAS_SET_MEMORY_BARRIER on the MEM.
19308 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
19310 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
19312 PR middle-end/25933
19313 * loop-unroll.c (unroll_loop_runtime_iterations): Free
19315 * tree-ssa-live.c (type_var_init): Allocate bitmap after
19318 2006-01-31 Marcin Dalecki <martin@dalecki.de>
19320 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
19321 * regrename.c: Ditto.
19322 * tree-ssa-loop-im.c: Ditto.
19323 * tree-dump.c: Ditto.
19324 * tree-complex.c: Ditto.
19325 * genrecog.c: Ditto.
19326 * tree-ssa-threadupdate.c: Ditto.
19328 * java/class.c: Ditto.
19329 * java/jcf-parse.c: Ditto.
19330 * java/resource.c: Ditto.
19331 * java/except.c: Ditto.
19332 * java/jvspec.c: Ditto.
19333 * java/jcf-write.c: Ditto.
19334 * java/jcf-path.c: Ditto.
19335 * java/gjavah.c: Ditto.
19336 * java/zextract.c: Ditto.
19337 * java/jcf-io.c: Ditto.
19338 * java/jcf.h: Ditto.
19339 * java/buffer.c: Ditto.
19340 * java/lang.c: Ditto.
19341 * java/parse-scan.y: Ditto.
19342 * java/lex.c: Ditto.
19343 * java/lex.h: Ditto.
19344 * cfgloopmanip.c: Ditto.
19345 * postreload-gcse.c: Ditto.
19346 * tree-ssa-loop-manip.c: Ditto.
19347 * postreload.c: Ditto.
19348 * tree-ssa-loop-ch.c: Ditto.
19351 * cppspec.c: Ditto.
19352 * diagnostic.c: Ditto.
19354 * genoutput.c: Ditto.
19356 * cfghooks.c: Ditto.
19357 * cfgloopanal.c: Ditto.
19358 * objc/objc-act.c: Ditto.
19360 * genextract.c: Ditto.
19361 * genautomata.c: Ditto.
19362 * pretty-print.c: Ditto.
19363 * genemit.c: Ditto.
19364 * cgraphunit.c: Ditto.
19366 * df-scan.c: Ditto.
19367 * haifa-sched.c: Ditto.
19368 * dominance.c: Ditto.
19370 * tree-ssa-loop-ivopts.c: Ditto.
19371 * df-core.c: Ditto.
19372 * mode-switching.c: Ditto.
19373 * modulo-sched.c: Ditto.
19375 * ipa-pure-const.c: Ditto.
19377 * fix-header.c: Ditto.
19379 * tree-stdarg.c: Ditto.
19380 * ipa-utils.c: Ditto.
19381 * loop-init.c: Ditto.
19382 * ipa-inline.c: Ditto.
19383 * cfganal.c: Ditto.
19385 * alloc-pool.c: Ditto.
19386 * dwarf2out.c: Ditto.
19388 * genattrtab.c: Ditto.
19389 * tree-ssa-loop-ivcanon.c: Ditto.
19390 * predict.c: Ditto.
19391 * timevar.c: Ditto.
19393 * fortran/gfortranspec.c: Ditto.
19394 * regmove.c: Ditto.
19395 * local-alloc.c: Ditto.
19396 * langhooks.c: Ditto.
19397 * function.c: Ditto.
19398 * tree-vectorizer.c: Ditto.
19400 * ipa-type-escape.c: Ditto.
19402 * tree-if-conv.c: Ditto.
19403 * profile.c: Ditto.
19405 * tree-data-ref.c: Ditto.
19406 * loop-unroll.c: Ditto.
19407 * treelang/treetree.c: Ditto.
19409 * bt-load.c: Ditto.
19410 * ggc-common.c: Ditto.
19412 * coverage.c: Ditto.
19414 * tree-cfgcleanup.c: Ditto.
19415 * tree-ssa-pre.c: Ditto.
19416 * cfgcleanup.c: Ditto.
19417 * loop-invariant.c: Ditto.
19418 * loop-iv.c: Ditto.
19419 * ipa-prop.c: Ditto.
19420 * print-tree.c: Ditto.
19421 * conflict.c: Ditto.
19422 * ggc-page.c: Ditto.
19423 * sched-deps.c: Ditto.
19424 * regclass.c: Ditto.
19425 * tree-object-size.c: Ditto.
19426 * combine.c: Ditto.
19427 * bb-reorder.c: Ditto.
19428 * resource.c: Ditto.
19429 * var-tracking.c: Ditto.
19430 * cfgloop.c: Ditto.
19431 * df-problems.c: Ditto.
19432 * reg-stack.c: Ditto.
19434 * gccspec.c: Ditto.
19435 * sched-rgn.c: Ditto.
19436 * tree-ssa-structalias.c: Ditto.
19437 * tree-ssa-reassoc.c: Ditto.
19438 * config/darwin-c.c: Ditto.
19439 * config/darwin.c: Ditto.
19440 * config/arm/arm.c: Ditto.
19442 * collect2.c: Ditto.
19443 * reload1.c: Ditto.
19445 2006-01-31 Nicolas Pitre <nico@cam.org>
19447 * arm.md (smaxsi3): Make aware of smax_m1.
19450 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
19452 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
19454 2006-01-31 Richard Guenther <rguenther@suse.de>
19456 * doc/invoke.texi (-msselibm): Document.
19457 * target.h (expand_library_builtin): New target hook.
19458 * builtins.c (expand_builtin): Use expand_library_builtin.
19459 (default_expand_library_builtin): New function.
19460 * gcc.c (LINK_GCC_MATH_SPEC): Define.
19461 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
19462 (link_gcc_math_spec): Declare.
19463 (static_specs): Add link_gcc_math_spec.
19464 * expr.h (default_expand_library_builtin): Declare.
19465 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
19466 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
19467 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
19468 * config/i386/i386.opt (msselibm): New target option.
19469 * config/i386/i386.c (ix86_builtin_function_variants): New array.
19470 (ix86_init_sse_abi_builtins): New function.
19471 (ix86_expand_library_builtin): Likewise.
19472 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
19473 (override_options): Handle error conditions wrt -msselibm.
19474 (ix86_builtins): Add function codes for SSE2 ABI builtins.
19475 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
19476 * doc/extend.texi (__builtin_sse2_*): Document new target specific
19479 2006-01-31 Richard Guenther <rguenther@suse.de>
19480 Paolo Bonzini <bonzini@gnu.org>
19482 * doc/install.texi (--disable-libgcc-math): Document.
19484 2006-01-30 Marcin Dalecki <martin@dalecki.de>
19486 * expr.h (expand_normal): new inline function.
19487 * builtins.c: use it, use EXPAND_NORMAL explicitely.
19488 * dojump.c: use it.
19489 * dwarf2out.c: use it.
19492 * expmed.c: use it.
19493 * except.c: use it.
19494 * config/sparc/sparc.c: use it.
19495 * config/i386/i386.c: use it.
19496 * config/rs6000/rs6000.c: use it.
19497 * config/arm/arm.c: use it.
19498 * config/mips/mips.c: use it.
19499 * stmt.c: use it, use EXPAND_NORMAL explicitely.
19501 2006-01-30 Roger Sayle <roger@eyesopen.com>
19503 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
19504 argv to the appropriate type.
19506 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
19508 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
19511 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
19514 * config/s390/s390.c (struct machine_function): New flag
19515 decomposed_literal_pool_addresses_ok_p.
19516 (s390_reorg): Set it before final stage of literal pool transforms.
19517 (s390_decompose_address): Only accept displacements of the form
19518 (minus (label_ref ...) (label_ref ...)) if that flag is set.
19520 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
19522 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
19523 the comparison routine return.
19525 2006-01-30 Michael Matz <matz@suse.de>
19527 * global.c (find_reg): Only evict for global regs.
19528 Take n_refs into account and dump more info.
19530 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
19533 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
19534 (pragma_trap, pragma_nosave_low_regs): Likewise.
19535 (current_function_anonymous_args): Likewise.
19536 (sh_deferred_function_attributes): New variable.
19537 (sh_deferred_function_attributes_tail): Likewise.
19538 (print_operand): For '@', look up trap_exit attribute.
19539 (calc_live_regs): Look up trapa_handler attribute. For trapa
19540 handlers, save/restore fpscr, but don't do any other
19541 interrupt-specific saves.
19542 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
19543 Fix check for partially saved registers to check for SHmedia.
19544 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
19545 (sh_output_function_epilogue): Don't clear any of the removed
19547 (sh_insert_attributes): Don't check pragma_interrupt.
19548 Insert deferred attributes. Check that interrupt attribute is
19549 present for other attributes that require its presence.
19550 (sh_attribute_table): Add new attributes trapa_handler and
19552 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
19553 Don't check for pragma_interrupt. Don't store argument.
19554 * sh.h (pragma_interrupt, sp_switch): Don't declare.
19555 (sh_deferred_function_attributes): Declare.
19556 (sh_deferred_function_attributes_tail): Likewise.
19557 * sh.md (sp_switch_1): Add operand. Change generator caller.
19558 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
19559 (*return_i): Don't use when trap_exit attribute is in effect.
19560 (*return_trapa): New insn pattern.
19561 * sh-c.c: New file.
19562 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
19563 setting c_target_objs and cxx_target_objs.
19564 * t-sh: Add rule for sh-c.o.
19566 2006-01-30 Richard Guenther <rguenther@suse.de>
19569 * gimplify.c (gimplify_target_expr): Handle easy cases
19570 without creating a temporary.
19572 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
19574 * vec.h (safe_grow): Remove duplicated line.
19576 2006-01-29 Diego Novillo <dnovillo@redhat.com>
19579 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
19580 (expand_omp): ... here.
19581 (expand_omp_parallel): Only remove barriers for combined
19582 parallel+workshare constructs.
19584 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
19588 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
19589 * tree.c (build_qualified_type): Chain the new type to the original
19590 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
19591 a POINTER_TYPE or a REFERENCE_TYPE respectively.
19592 (build_pointer_type_for_mode): Only return unqualified types.
19593 (build_reference_type_for_mode): Likewise.
19595 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
19597 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
19598 * Makefile.in (CXX_COMPAT_WARN): Define.
19599 * configure: Regenerate.
19601 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
19604 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
19607 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
19609 * toplev.c: Fix thinko.
19611 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
19612 Marcin Dalecki <martin@dalecki.de>
19614 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
19615 (push_srcloc): Use XNEW.
19616 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
19618 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
19620 * df-core.c (df_set_blocks): Deleted all variable.
19622 2006-01-28 Ian Lance Taylor <ian@airs.com>
19624 * cgraphunit.c (cgraph_assemble_pending_functions): Call
19625 cgraph_output_pending_asms.
19627 2006-01-28 Zack Weinberg <zackw@panix.com>
19629 * c.opt: Add -W(no-)overlength-strings.
19630 * doc/invoke.texi: Document it.
19631 * c-opts.c (c_common_handle_option): -pedantic implies
19632 -Woverlength-strings, if not explicitly disabled already.
19633 (c_common_post_options): -Woverlength-strings defaults to off, and
19634 is always off for C++.
19635 * c-common.c (fix_string_type): Issue warning about strings longer
19636 than is portable only if warn_overlength_strings. Rearrange code
19637 a little for clarity.
19638 * configure.in: Check for -Wno-overlength-strings as well before
19639 enabling -pedantic in stage 1.
19640 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
19641 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
19643 * genconditions.c (write_header, write_one_condition)
19644 (write_conditions, write_writer): Consolidate very long strings
19645 that were broken up to fit in C89 portable limit. Don't use
19646 printf when fputs will do.
19648 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
19650 * combine.c (simplify_comparison <AND>): Check
19651 TRULY_NOOP_TRUNCATION before start using a subreg.
19653 * config/mips/mips.md (*branch_zero<mode>,
19654 *branch_zero<mode>_inverted, *branch_equality<mode>,
19655 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
19656 Remove mode check from comparisons.
19658 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
19660 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
19662 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
19664 * expmed.c (const_mult_add_overflow_p): Remove.
19665 * expr.h: Remove the prototype for const_mult_add_overflow_p.
19667 * recog.c (validate_replace_rtx_subexp): Remove.
19668 * recog.h: Remove the prototype for
19669 validate_replace_rtx_subexp.
19671 * integrate.h: Remove the prototype for
19672 copy_decl_for_inlining.
19673 * rtl.h: Remove the prototype for mark_constant_function.
19674 * tree-vectorizer.h: Remove the prototype for
19675 vect_strip_conversion.
19677 * modulo-sched.c (create_partial_schedule,
19678 free_partial_schedule, reset_partial_schedule): Make them
19681 * hooks.c (hook_bool_rtx_int_false): Remove.
19682 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
19684 2006-01-28 David Edelsohn <edelsohn@gnu.org>
19686 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
19687 and -mlong-double-128 are incompatible.
19688 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
19689 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
19690 (TARGET_LIBGCC2_CFLAGS): Define.
19691 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
19692 (TARGET_LIBGCC2_CFLAGS): Same.
19693 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
19695 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
19698 * c-typeck.c (build_binary_op): Perform implicit casts of
19699 operands before shortening them.
19701 * cfgloopmanip.c (split_loop_bb): Remove.
19702 * cfgloop.h: Remove the prototype for split_loop_bb.
19704 * cfgloop.c (flow_loop_outside_edge_p): Remove.
19705 * cfgloop.h: Remove the prototype for
19706 flow_loop_outside_edge_p.
19708 * emit-rtl.c (init_virtual_regs): Make it static.
19709 * function.h: Remove the prototype for init_virtual_regs.
19711 * recog.c (peephole2_optimize): Make it static.
19712 * recog.h: Remove the prototype for peephole2_optimize.
19714 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
19716 * df-scan.c (df_record_entry_block_defs): Check if
19717 INCOMING_RETURN_ADDR_RTX is defined.
19719 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
19720 Kenneth Zadeck <zadeck@naturalbridge.com>
19722 PR rtl-optimization/24762
19723 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
19724 * targhooks.c (hook_void_bitmap): New hook prototype.
19725 * targhoohs.h (hook_void_bitmap): Ditto.
19726 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
19727 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
19728 * target.h (live_on_entry): New function pointer.
19729 * df-scan.c (df_all_hard_regs): Removed.
19730 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
19731 (df_scan_free_internal): Added df->entry_block_defs.
19732 (df_scan_alloc): Ditto.
19733 (df_scan_dump): Ditto.
19734 (df_uses_record): Plumbed flag field properly thru calls.
19735 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
19736 This part fixes PR24762.
19737 (df_bb_refs_record): Added code to make the frame and arg
19738 pointers live in EH blocks.
19739 (df_refs_record): Added call to df_record_entry_block_defs.
19740 (df_record_entry_block_defs): New function.
19741 * df-core.c: Added comments to describe new artifical defs.
19742 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
19743 (entry_block_defs): New field in struct df.
19744 (df_all_hard_regs): Deleted.
19745 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
19746 * df-problems.c (df_ru_bb_local_compute_process_def):
19747 Added code to handle artifical defs in the entry to a function.
19748 (df_ru_bb_local_compute): Ditto.
19749 (df_rd_bb_local_compute_process_def): Ditto.
19750 (df_rd_bb_local_compute): Ditto.
19751 (df_lr_bb_local_compute): Ditto.
19752 (df_ur_bb_local_compute): Ditto.
19753 (df_urec_bb_local_compute): Ditto.
19754 (df_chain_create_bb): Ditto.
19755 (df_ur_local_finalize): Removed entry.
19756 (df_urec_init): Ditto.
19757 (df_urec_local_finalize): Ditto.
19758 (df_ri_bb_compute): Added detection of last use of pseudos.
19759 * Makefile.in (df-scan.o): Updated dependencies.
19760 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
19761 * config/mips/mips.c (mips_set_live_on_entry): Added.
19762 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
19764 * dce.c (marked_insn_p): Added code to handle artifical defs.
19766 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
19768 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
19770 (_mm_cvtsi128_si64): Likewise.
19771 (_mm_cvtsd_si64): Likewise.
19772 (_mm_cvttsd_si64): Likewise.
19773 (_mm_cvtsi64_sd): Likewise.
19774 (_mm_cvtsi64_si128): Likewise.
19775 * config/i386/mmintrin.h (_m_from_int64): Likewise.
19776 (_mm_cvtsi64_m64): Likewise.
19777 (_m_to_int64): Likewise.
19778 (_mm_cvtm64_si64): Likewise.
19779 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
19780 (_mm_cvttss_si64): Likewise.
19781 (_mm_cvtsi64_ss): Likewise.
19782 (_mm_cvtss_f32): Likewise.
19784 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
19786 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
19787 for pragma redefine_extname.
19789 2006-01-27 Jakub Jelinek <jakub@redhat.com>
19792 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
19793 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
19794 -mno-minimal-toc to previous content.
19795 (bispecs): Remove goal.
19796 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
19797 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
19798 compatibility aliases on powerpc-*-*gnu*.
19799 * config/rs6000/libgcc-ppc-glibc.ver: New file.
19800 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
19801 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
19802 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
19803 (ldblspecs): New goal.
19804 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
19805 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
19807 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
19808 L_sf_to_tf or L_df_to_tf is defined.
19810 2006-01-27 David Edelsohn <edelsohn@gnu.org>
19811 Alan Modra <amodra@bigpond.net.au>
19814 * config/rs6000/linux.h (POWERPC_LINUX): Define.
19815 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
19816 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
19817 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
19818 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
19819 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
19820 (rs6000_override_options): Initialize rs6000_ieeequad.
19821 Initialize TFmode format to ibm_extended_format if not
19823 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
19825 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
19826 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
19827 (function_arg_advance): IBM long double passed in two FPRs, not
19829 (function_arg): IBM long double passed in FPRs.
19830 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
19831 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
19832 Only multireg GPR aligned.
19833 (rs6000_init_libfuncs): Enable IBM long double functions if not
19835 (rs6000_generate_compare): Use IBM long double compare if not
19837 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
19838 (TARGET_IEEEQUAD): Define.
19839 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
19840 not TARGET_IEEEQUAD.
19841 * config/rs6000/rs6000.md: Enable TFmode patterns if
19843 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
19844 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
19845 and -mlong-double-128 are incompatible.
19846 * doc/invoke.texi (-mabi): Collect options together. Add
19847 ibmlongdouble and ieeelongdouble.
19849 2006-01-27 Richard Sandiford <richard@codesourcery.com>
19851 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
19853 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
19854 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
19855 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
19856 * rtl.h (rtunion_def): Remove rt_ptr.
19858 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
19859 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
19860 * config/i386/winnt.c (i386_pe_mark_dllexport)
19861 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
19863 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
19865 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
19867 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
19871 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
19872 pthread_key_delete. From John David Anglin. gthrw-ify
19873 pthread_getunique_np only if it it's not a macro. Delete
19875 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
19876 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
19877 __gthread_objc_condition_signal, __gthread_key_delete): Add
19878 "__attribute__ ((__unused__))" to unused arguments.
19879 (__gthread_recursive_mutex_init_function): Add missing return.
19880 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
19881 gthr-posix95.h: Use macro-based approach for name redirection
19882 on targets missing weakref.
19884 2006-01-26 Zack Weinberg <zackw@panix.com>
19886 * genconditions.c (write_header): In generated code, #ifdef out
19887 all includes and fake declarations, except includes of bconfig.h
19888 and system.h, unless GCC_VERSION >= 3001. Do not include
19889 gensupport.h in any case.
19890 (write_conditions): Generate a definition of struct c_test. Add
19891 a comment to the generated #endif.
19892 (write_one_condition): Escape backslashes in string too.
19893 (write_writer): Generated code must escape backslashes and quote
19894 marks (but not newlines) in the strings it writes.
19895 * Makefile.in (build/gencondmd.o): Update dependencies.
19897 2006-01-26 Steve Ellcey <sje@cup.hp.com>
19900 * Makefile.in (insn-automata.o): Add header file dependencies.
19901 * genautomata.c: Add includes.
19903 2006-01-26 Steve Ellcey <sje@cup.hp.com>
19906 * Makefile.in (insn-automata.o): Add -Wno-error flag.
19908 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
19910 * configure.ac: Expect target tools paths to be passed from the toplevel
19911 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
19913 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
19915 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
19918 * c.opt (Wpointer-sign): Init to -1.
19919 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
19920 OPT_pedantic, to 0 otherwise.
19921 * doc/invoke.texi: Update.
19923 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
19925 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
19926 constants provided by 80387 instructions in the destination mode.
19928 2006-01-26 Richard Guenther <rguenther@suse.de>
19929 Andrew Pinski <pinskia@physics.uc.edu>
19932 partial PR tree-opt/17064
19933 * tree-ssa-structalias.c (intra_create_variable_infos):
19934 Create heap variables for incoming parameters if
19935 flag_argument_noalias > 1.
19936 (find_what_p_points_to): Look through default defs of
19939 2006-01-26 Jeff Law <law@redhat.com>
19942 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
19943 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
19944 within the VR_RANGE, use the VR_RANGE as the result, not the
19946 (adjust_range_with_scev): Reject ranges from SCEV which are out of
19947 bounds for the type.
19949 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
19951 * tree-ssa-alias.c (maybe_create_global_var): Change
19952 subvar walking to an assertion that we don't have subvar'd variables.
19954 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
19957 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
19958 Use a new variable, inner. PARM_DECLs are always non-weak.
19960 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
19962 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
19963 --disable-checking.
19965 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
19967 * config/mips/mips.md (*clear_upper32): New combiner pattern.
19969 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
19971 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
19972 (smax_insn, smin_insn, smax_0, smin_0): New.
19974 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
19977 * config/cris/cris.c (cris_order_for_addsi3): New function.
19978 * config/cris/cris-protos.h: Prototype it.
19979 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
19980 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
19981 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
19982 (split for "op.S1 [rx=rx+i],ry (swapped)")
19983 (split for "op(s|u).S1 [rx=rx+i],ry")
19984 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
19985 Apply cris_order_for_addsi3 when generating addsi3 insns.
19987 2006-01-25 Diego Novillo <dnovillo@redhat.com>
19989 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
19990 (TREE_BLOCK): Add call to EXPR_CHECK.
19992 2006-01-25 Diego Novillo <dnovillo@redhat.com>
19995 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
19996 * tree-pretty-print.c (dump_omp_clause): Extract from ...
19997 (dump_omp_clauses): ... here.
19998 (dump_generic_node): Handle OMP_CLAUSE.
19999 * tree.c (omp_clause_num_ops): New.
20000 (omp_clause_code_name): New.
20001 (tree_code_size): Handle OMP_CLAUSE.
20002 (tree_size): Likewise.
20003 (make_node): Document handling of OMP_CLAUSE.
20004 (tree_node_structure): Handle OMP_CLAUSE.
20005 (omp_clause_check_failed): New.
20006 (omp_clause_range_check_failed): New.
20007 (omp_clause_operand_check_failed): New.
20008 (build_omp_clause): New.
20009 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
20010 * tree.h (enum omp_clause_code): Declare.
20011 (OMP_CLAUSE_SUBCODE_CHECK): Define.
20012 (OMP_CLAUSE_RANGE_CHECK): Define.
20013 (OMP_CLAUSE_ELT_CHECK): Define.
20014 (omp_clause_check_failed): Declare.
20015 (omp_clause_operand_check_failed): Declare.
20016 (omp_clause_range_check_failed): Declare.
20017 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
20018 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
20019 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
20020 (OMP_CLAUSE_LASTPRIVATE): Likewise.
20021 (OMP_CLAUSE_IF_EXPR): Likewise.
20022 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
20023 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
20024 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
20025 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
20026 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
20027 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
20028 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
20029 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
20030 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
20031 (OMP_CLAUSE_CODE): Define.
20032 (OMP_CLAUSE_SET_CODE): Define.
20033 (OMP_CLAUSE_CODE): Define.
20034 (OMP_CLAUSE_OPERAND): Define.
20035 (struct tree_omp_clause): Declare.
20036 (union tree_node): Add field 'omp_clause'.
20037 * treestruct.def (TS_OMP_CLAUSE): Define.
20038 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
20039 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
20040 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
20041 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
20042 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
20043 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
20044 (OMP_CLAUSE): Define.
20045 * print-tree.c (print_node): Handle OMP_CLAUSE.
20046 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
20047 * c-typeck.c: Likewise.
20048 * gimplify.c: Likewise.
20049 * c-omp.c: Likewise.
20050 * tree-nested.c: Likewise.
20051 * tree-inline.c: Likewise.
20052 * c-parser.c: Likewise.
20053 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
20056 2006-01-25 Roger Sayle <roger@eyesopen.com>
20058 PR rtl-optimization/25703
20059 * combine.c (try_combine): Handle zero_extract and strict_low_part
20060 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
20062 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
20064 * global.c: Fix comment typos.
20066 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
20069 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
20070 Use output_addr_const instead of assemble_name.
20072 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
20074 * Makefile.in (sched-vis.o): Update dependencies.
20075 * haifa-sched.c (sched_finish): Clear current_sched_info.
20076 * cfg.c (dump_bb_info): New, split from dump_flow_info.
20077 (dump_flow_info): Call it.
20078 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
20080 * basic-block.h (dump_bb_info): Declare.
20081 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
20082 option, and apply options only for dump files whose TDF_RTL,
20083 TDF_TREE, or TDF_IPA bits match.
20084 * rtl.h: Declare new functions exported from sched-vis.c.
20085 * sched-vis.c: Enable also if scheduling is not used.
20086 (print_value): Print the mode of registers if not inside scheduling.
20087 (print_insn): Make it work outside the scheduler. Beautify the output
20089 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
20091 2006-01-25 Richard Sandiford <richard@codesourcery.com>
20093 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
20094 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
20095 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
20096 depending on the value of CONSTANT_POOL_ADDRESS_P.
20097 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
20099 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
20100 rather than SYMBOL_REF_DECL.
20101 (rtx_constant_pool): Remove const_rtx_sym_htab.
20102 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
20103 (init_varasm_status): Don't initialize const_rtx_sym_htab.
20104 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
20105 Remove handling of const_rtx_sym_htab.
20106 (find_pool_constant): Delete.
20107 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
20108 rather than find_pool_constant.
20109 (get_pool_constant_for_function): Delete.
20110 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
20111 find_pool_constant.
20112 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
20113 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
20114 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
20115 (SYMBOL_REF_CONSTANT): New macro.
20116 (get_pool_constant_for_function): Delete.
20117 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
20118 rather than SYMBOL_REF_DECL.
20119 (i386_pe_mark_dllimport): Likewise.
20120 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
20121 rather than SYMBOL_REF_DECL.
20122 * config/darwin.c (machopic_indirect_data_reference): Likewise.
20123 (machopic_indirect_call_target): Likewise.
20125 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
20127 * flow.c (delete_noop_moves): Add missing EOL to dump message.
20129 2006-01-25 Richard Sandiford <richard@codesourcery.com>
20131 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
20133 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
20135 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
20137 2006-01-24 David Daney <ddaney@avtrex.com>
20140 * configure.ac (enable_tls): New enable option.
20141 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
20142 * configure: Regenerate.
20143 * doc/install.texi (--enable-tls): Document new option.
20144 (--disable-tls): Ditto.
20146 2006-01-24 Richard Henderson <rth@redehat.com>
20148 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
20149 * alias.c (true_dependence): Respect it.
20150 (canon_true_dependence, write_dependence_p): Likewise.
20151 * builtins.c (get_builtin_sync_mem): Set it.
20153 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
20155 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
20158 2006-01-24 DJ Delorie <dj@redhat.com>
20160 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
20161 for storing constants in single-bit bitfields.
20163 2006-01-25 Ben Elliston <bje@au.ibm.com>
20165 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
20167 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
20170 * tree-ssa-pre.c (phi_translate): Return NULL
20171 for AGGREGATE_TYPE's.
20173 2006-01-24 Zack Weinberg <zackw@panix.com>
20175 * genautomata.c (process_state_for_insn_equiv_partition):
20176 Use xcalloc for insn_arcs_array.
20177 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
20178 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
20180 2006-01-24 Richard Henderson <rth@redhat.com>
20182 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
20183 update all callers.
20185 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
20187 PR rtl-optimization/25890
20188 PR rtl-optimization/25905
20189 * combine.c (expand_compound_operation, expand_field_assignment):
20190 Fail if the bitfield's final position is out of bounds.
20192 2006-01-24 Ian Lance Taylor <ian@airs.com>
20194 PR middle-end/25930
20195 * cgraphunit.c (cgraph_output_in_order): Don't clear
20196 cgraph_asm_nodes until after asm strings have been output.
20198 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
20200 * fix-header.c (read_scan_file): Add new parameter imultilib when
20201 calling register_include_chains.
20203 2006-01-23 Diego Novillo <dnovillo@redhat.com>
20205 * omp-low.c: Update documentation.
20207 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
20208 Daniel Berlin <dberlin@dberlin.org>
20212 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
20213 return from the function.
20215 2006-01-22 Zack Weinberg <zackw@panix.com>
20217 * rtl.def (match_code): Add second argument.
20218 * genpreds.c (write_extract_subexp): New function.
20219 (write_match_code): Add path argument. Use write_extract_subexp.
20220 (write_predicate_expr): Pass path to write_match_code.
20221 (mark_mode_tests): MATCH_CODE applied to a subexpression does
20222 not perform a mode test.
20223 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
20224 a subexpression does not constrain the top-level code set.
20225 * read-rtl.c (read_rtx_variadic): New function.
20226 (read_rtx_1): Use it; allow AND and IOR to be variadic.
20227 * doc/md.texi: Document new notation.
20228 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
20229 (cmpsi_operand): ... here, using new notation.
20231 2006-01-22 Zack Weinberg <zackw@panix.com>
20233 * varray.c: Remove GENERATOR_FILE #ifdefs.
20235 2006-01-22 Zack Weinberg <zackw@panix.com>
20237 * genautomata.c (output_reserved_units_table): Emit nothing if
20238 description->query_units_num is zero. Remove extra blank line.
20239 (output_cpu_unit_reservation_p): Short circuit
20240 if description->query_units_num is zero.
20242 2006-01-22 Zack Weinberg <zackw@panix.com>
20244 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
20245 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
20246 nor any of the random handful of variables that used to be necessary
20247 when this program was linked with rtlanal.o. Prune set of forward
20248 function declarations.
20249 (struct attr_desc): Remove static_p field.
20250 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
20251 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
20252 (attr_string): Do not read the character one past the length of
20254 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
20255 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
20256 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
20257 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
20258 (make_automaton_attrs): New.
20259 (main): Do not call into genautomata. Call local gen_bypass
20260 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
20261 Remove special case for insn_alts.
20262 * genautomata.c: Include gensupport.h; not genattrtab.h nor
20263 varray.h (leftover from previous change). Prune set of forward
20264 function declarations. Remove state_alts fields from all
20265 structures. Remove state_alts_table from struct automaton.
20266 Make everything except main static. Do not maintain num_dfa_decls.
20267 Do not maintain state_alts fields of various structures.
20268 (process_decls): Don't validate condexp for dm_insn_reserv decls.
20269 (add_arc): Remove state_alts argument. All callers updated.
20270 (output_reserved_units_table): Emit #ifdef here...
20271 (output_tables): ...not here. Don't generate state_alts tables.
20272 (expand_automata): Don't generate attributes.
20273 (write_automata): Don't generate state_alts functions.
20274 (main): New function.
20275 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
20276 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
20277 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
20278 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
20279 (BYPASS_P_FUNC_NAME, output_state_alts_table)
20280 (output_automata_list_state_alts_code, output_internal_state_alts_func)
20281 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
20282 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
20284 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
20285 * genattrtab.h: Delete file.
20286 * Makefile.in (OBJS-common): Add insn-automata.o.
20287 (insn-automata.o): New rule.
20288 (simple_generated_c): Add insn-automata.c.
20289 (build/genattrtab.o, build/genautomata.o): Update dependencies.
20290 (genprogmd): Add automata.
20291 (build/genattrtab): Needs no extra objects nor libraries.
20292 (build/genautomata): Needs build/vec.o and -lm.
20294 2006-01-22 Zack Weinberg <zackw@panix.com>
20296 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
20297 (output_dfa_max_issue_rate, locked_states_num): Delete.
20298 (struct automaton): Add locked_states field.
20299 (output_dead_lock_vect): Save number of locked states in
20300 automaton->locked_states. If it is zero, don't print anything.
20301 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
20302 (output_internal_dead_lock_func): Only test the dead_lock_vect
20303 for automata that have locked states.
20304 (output_statistics): Always print the number of locked states for
20305 each automaton. Calculate total number of locked states here.
20306 (write_automata): Don't call output_dfa_max_issue_rate.
20307 * genattrtab.c: Define length_unit_log as a const variable.
20308 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
20309 max_insn_queue_index const.
20310 * final.c (length_unit_log): Declare const.
20311 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
20313 2006-01-22 Zack Weinberg <zackw@panix.com>
20315 * genautomata.c: Include vec.h, not varray.h.
20316 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
20317 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
20318 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
20319 VEC_* macros operating on appropriately typed vectors, or to
20320 malloced arrays when the size is known in advance. Const-ify
20321 many char* variables and function arguments. No functional changes.
20322 * Makefile.in (build/varray.o): Delete rule.
20323 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
20324 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
20326 2006-01-22 Zack Weinberg <zackw@panix.com>
20328 * gensupport.c: Define get_insn_name and record_insn_name here.
20329 (read_md_rtx): Call record_insn_name as appropriate.
20330 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
20331 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
20332 * genpreds.c, genrecog.c: Don't define get_insn_name nor
20334 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
20335 (BUILD_VARRAY): Delete.
20336 (genprognormal): Rename genprogmd. Fold in all programs from
20337 genprognoprint; also attrtab.
20338 (build/genattrtab): Just mention genautomata.o and varray.o.
20339 Reorganize a bit, add comments to make the categories clearer.
20341 2006-01-22 Zack Weinberg <zackw@panix.com>
20343 * genconditions.c (condition_table, add_condition): Delete.
20344 (write_conditions): Don't emit n_insn_conditions nor
20345 insn_elision_unavailable. Issue the gcc version #ifdef here,
20346 inside the table, with no #else clause ...
20347 (write_header): ...not here.
20348 (write_writer): New function.
20349 (main): Don't initialize condition_table. Use add_c_test.
20351 * gensupport.c (init_md_reader_args_cb): Handle multiple input
20352 files on the command line.
20353 (maybe_eval_c_test): Don't check insn_elision_unavailable.
20354 Return -1 if there is no entry in the table, don't abort.
20355 (add_c_test, traverse_c_tests): New functions.
20356 * gensupport.h (insn_elision_unavailable, insn_conditions)
20357 (n_insn_conditions): Delete declarations.
20358 (add_c_test, traverse_c_tests): Declare.
20359 * read-rtl.c: Include gensupport.h.
20360 (read_conditions): New function.
20361 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
20362 (read_rtx_1): If we get EOF when we were looking for an initial
20363 open paren, return 0. Call read_conditions when appropriate.
20364 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
20365 dummy-conditions.o. Eliminate references to insn-conditions.o,
20366 or change them to build/gencondmd.o, as appropriate. Remove
20367 insn-constants.h from $(simple_generated_h) and insn-conditions.c
20368 from $(simple_generated_c). For all files remaining in those
20369 two lists, add insn-conditions.md to the generator command line.
20370 Give insn-constants.h/s-constants their own rules. Add rules
20371 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
20372 (build/read-rtl.o): Depend on gensupport.h.
20373 (genprognormal): Include preds.
20374 (genprogearly): Rename genprognoprint; only difference is now that
20375 they don't link with $(BUILD_PRINT).
20376 * dummy-conditions.c: Delete.
20378 2006-01-22 Zack Weinberg <zackw@panix.com>
20380 * genextract.c: Don't include insn-config.h. Do include vec.h.
20381 Declare vectors of int, char, and locstr.
20382 (locstr): New typedef.
20383 (struct extraction): Make all array fields into bare pointers.
20384 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
20385 (insn_code_number): Delete.
20386 (accum_extract): New struct.
20387 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
20388 (gen_insn): Take insn_code_number as an argument. Use an
20389 accum_extract structure instead of loading data directly into
20390 a struct extraction, and having to know how big it might get.
20391 (walk_rtx): Operate entirely on an accum_extract structure.
20392 (print_path): Avoid unnecessary use of printf.
20393 (print_header): New function, split out of main. Distinguish
20394 more carefully between an unrecognizable insn and an insn that
20395 has the code number of a define_expand.
20396 (main): Pass insn_code_number to gen_insn. Call print_header
20397 only after parsing. Avoid unnecessary use of printf.
20398 * Makefile.in (build/vec.o): New rule.
20399 (build/genextract): Depend on build/vec.o.
20400 (build/genextract.o): Don't depend on insn-config.h.
20402 2006-01-22 Zack Weinberg <zackw@panix.com>
20404 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
20405 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
20406 practical. Eliminate per-generator-program link rules.
20408 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
20410 PR middle-end/24437
20411 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
20412 with a call expr to ...
20413 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
20415 2006-01-23 Richard Guenther <rguenther@suse.de>
20417 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
20418 before make_edge with conditional EDGE_TRUE_VALUE.
20420 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
20421 Jan Hubicka <jh@suse.cz>
20422 Richard Guenther <rguenther@suse.de>
20424 PR rtl-optimization/25654
20425 * cfgexpand.c (aggregate_contains_union_type): New function.
20426 (add_alias_set_conflicts): Call it. Make sure to add conflicts
20427 for structure variables that contain a union type.
20429 2006-01-23 Richard Sandiford <richard@codesourcery.com>
20431 * gengtype.c (new_structure): Return the structure.
20432 (create_option): Add an extra "next" argument.
20433 (create_field): New function.
20434 (adjust_field_rtx_def): Use create_option and create_field.
20435 Remove a now-unnecessary call to find_structure.
20436 (adjust_field_tree_def): Likewise.
20437 (note_yacc_type): Remove an unnecessary call to find_structure.
20438 * gengtype.h (new_structure): Return the structure.
20439 (create_option): Add an extra argument.
20440 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
20441 (option): Adjust calls to create_option.
20443 2006-01-22 David Edelsohn <edelsohn@gnu.org>
20445 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
20447 2006-01-22 Paul Brook <paul@codesourcery.com>
20448 Peter Barada <peter@the-baradas.com>
20450 * config/m68k/m68k.md: Add Coldfire FPU support.
20451 Define FP mode macro and associated attributes.
20452 Use it for float mode patterns.
20453 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
20454 (LIBCALL_VALUE): Use m68k_libcall_value.
20455 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
20456 (m68k_function_value): Ditto.
20457 (emit_move_sequence): Ditto.
20458 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
20459 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
20460 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
20461 (MULTILIB_EXCEPTIONS): Ditto.
20462 * config/m68k/m68k.opt: Add mcfv4e.
20463 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
20464 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
20465 (m68k_output_function_prologue): Save ColdFire FPU registers.
20466 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
20467 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
20468 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
20469 ColdFire FPU registers.
20470 (m68k_libcall_value, m68k_function_value): New functions.
20471 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
20472 (LIBCALL_VALUE): Use m68k_libcall_value.
20473 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
20474 (MASK_COLDFIRE): Add MASK_CFV4E.
20475 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
20476 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
20477 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
20478 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
20479 (GO_IF_LEGITIMATE_ADDRESS): Use it.
20480 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
20481 * doc/invoke.tex: Document -mcfv4e on m68k.
20483 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
20485 * doc/contribute.texi: Change CVS to SVN and update the corresponding
20488 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
20491 * c-opts.c (c_common_handle_option): Don't include
20492 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
20493 * doc/invoke.texi (C++ Dialect Options): Document that
20494 -Wnon-virtual-dtor is no longer included in -Wall.
20496 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
20498 * gcov.c (print_version), gcov-dump.c (print_version),
20499 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
20502 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
20504 * df-scan.c (problem_SCAN): Added NULL reset function.
20505 (df_scan_reset_blocks): Added code to call reset block function
20506 (df_bb_refs_delete) Fixed comment.
20507 (df_insn_refs_delete): Made tolerant of deleting non existent info
20508 for dataflow problems that need to be reset.
20509 * df-core.c (df_set_blocks): Ditto.
20510 * df.h (struct df_problem): Added reset_fun.
20511 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
20512 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
20513 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
20514 functions to clear out all references to def-use or use-def chains.
20516 2006-01-21 Ben Elliston <bje@au.ibm.com>
20518 * varasm.c (assemble_real): Initialise data array.
20520 2006-01-20 Paul Brook <paul@codesourcery.com>
20522 Merge from csl-arm-branch.
20523 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
20524 * config/arm/arm.md (movdi): Force operands[1] to a register
20525 if we have a non-register source.
20526 (*arm_movdi, *movdf_soft_insn): Require that one of the
20527 operands be a register.
20528 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
20529 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
20531 2006-01-20 DJ Delorie <dj@redhat.com>
20533 * varasm.c (initializer_constant_valid_p): Allow pointers
20534 initialized from integer constants of lesser precision.
20535 (output_constant): Allow non-int-sized pointer modes to be
20536 initialized from integer constants.
20538 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
20541 * cppdefault.h (struct default_include): Add multilib flag.
20542 * cppdefault.c (cpp_include_defaults): Set it.
20543 * c.opt (-imultilib): New option.
20544 * c-opts.c (imultilib): New.
20545 (c_common_handle_option): Handle -imultilib.
20546 (c_common_post_options): Likewise.
20547 * c-incpath.c (add_standard_paths, register_include_chains):
20549 * c-incpath.h (register_include_chains): Add extra parameter.
20550 * gcc.c (do_spec_1): Generate -imultilib option.
20551 (The Specs Language): Update %I description.
20552 (process_command): Update copyright notice.
20553 * doc/cppopts.texi (-imultilib): Document.
20554 * doc/invoke.texi (-imultilib): Include in option summary.
20555 (%I): Update specs documentation.
20557 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
20559 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
20561 2006-01-20 Richard Sandiford <richard@codesourcery.com>
20563 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
20566 2006-01-20 Richard Guenther <rguenther@suse.de>
20567 Steven Bosscher <stevenb.gcc@gmail.com>
20569 PR rtl-optimization/24626
20570 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
20571 EDGE_TRUE_VALUE if in RTL mode.
20574 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
20575 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
20577 2006-01-20 Dirk Mueller <dmueller@suse.com>
20580 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
20581 instead of a special NOP marker.
20582 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
20583 NOP marker handling.
20584 * c-common.h (empty_body_warning): Add forward declaration.
20585 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
20586 Now uses IS_EMPTY_STMT() instead of special NOP markers.
20588 2006-01-20 Paul Brook <paul@codesourcery.com>
20590 * Makefile.in (lang_checks): Keep going if mkdir fails.
20592 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
20594 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
20595 be able to clean out basic block when not necessary.
20596 (df_scan_free): Fixed to properly delete information if df is
20597 unused before calling df_finish.
20598 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
20599 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
20601 (df_bb_refs_delete): New function.
20602 (df_refs_delete): Moved per block code to df_bb_refs_delete.
20603 * df-core.c (df_set_blocks): Added code to properly clean out
20604 unused blocks if they are not part of the blocks to consider.
20605 Added additional null check.
20606 (df_compact_blocks): Added basic block parameter to free_bb_fun to
20607 be able to clean out basic block when not necessary
20608 * df.h (df_free_bb_function): Ditto.
20609 (df_bb_refs_delete): New function.
20610 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
20611 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
20612 basic block parameter to be able to clean out basic block when not
20614 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
20615 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
20616 Fixed to properly delete information if df is unused before
20619 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
20621 PR rtl-optimization/25799
20622 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
20623 Corrected confluence operator to remove bits from op2 before oring
20624 with op1 rather than removing bits from op1.
20625 (df_ru_transfer_function): Corrected test on wrong bitmap which
20626 caused infinite loop. Both of these problems were introduced in
20627 the dataflow rewrite.
20629 2006-01-19 DJ Delorie <dj@redhat.com>
20631 * reload1.c (find_reload_regs): Note the details of reload
20632 failures in the dump file.
20633 (spill_failure): Likewise.
20635 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
20637 * loop-iv.c: Include df.h and hashtab.h.
20638 (enum iv_grd_result): New enum.
20639 (DF_REF_IV, DF_REF_IV_SET): New macros.
20640 (struct biv_entry): New.
20641 (df, bivs): New global variables.
20642 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
20643 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
20645 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
20646 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
20647 analyzed_for_bivness_p, record_biv): New functions.
20648 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
20649 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
20650 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
20652 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
20654 (iv_number_of_iterations): Use new interface to iv analysis.
20655 * loop-unroll.c: Do not include varray.h.
20656 (analyze_iv_to_split_insn): Use new interface to iv
20658 * loop-unswitch.c (may_unswitch_on): Ditto.
20659 * df.c (df_bitmaps_free): Only work for bbs for that structures are
20661 (df_bb_modify): Realloc tables to the new index.
20662 (df_find_use): New function.
20663 * df.h (df_find_use): Declare.
20664 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
20666 * cfgloop.h (struct rtx_iv): Remove analysed field.
20667 (iv_get_reaching_def): Removed.
20668 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
20669 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
20670 (loop-iv.o): Add df.h and hashtab.h dependency.
20671 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
20673 2006-01-20 Alan Modra <amodra@bigpond.net.au>
20676 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
20678 (__floatundisf, __floatundidf): Likewise.
20679 * libgcc2.h (IS_IBM_EXTENDED): Define.
20681 2006-01-19 DJ Delorie <dj@redhat.com>
20683 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
20685 2006-01-19 Paul Brook <paul@codesourcery.com>
20687 * config/arm/arm.c (arm_compute_func_type): Treat all functions
20688 as nothrow when unwinding tables are disabled.
20690 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20693 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
20694 of bit-field" when in system header.
20696 2006-01-19 DJ Delorie <dj@redhat.com>
20698 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
20699 the 16 bit shift limit of the m16c.
20701 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
20704 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
20705 * config/i386/i386.c (output_set_got): Output the label if we have one
20706 for the TARGET_DEEP_BRANCH_PREDICTION case.
20708 2006-01-19 Jan Hubicka <jh@suse.cz>
20709 H.J. Lu <hongjiu.lu@intel.com>
20710 Evandro Menezes <evandro.menezes@amd.com>
20712 * invoke.texi (generic): Document
20714 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
20715 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
20716 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
20717 (x86_use_incdec, x86_pad_returns): New variables
20718 (TARGET_CPU_DEFAULT_generic): New constant
20719 (TARGET_CPU_DEFAULT_NAMES): Add generic.
20720 (enum processor_type): Add generic32 and generic64.
20721 * i386.md (cpu attribute): Add generic32/generic64
20722 (movhi splitter): Behave sanely when both partial_reg_dependency and
20723 partial_reg_stall are set.
20724 (K8 splitters): Enable for generic as well.
20725 * predicates.md (incdec_operand): Use TARGET_INCDEC
20726 (aligned_operand): Avoid memory mismatch stalls.
20727 * athlon.md: Enable for generic64, new patterns for 128bit moves.
20728 * ppro.md: Enable for generic32
20729 * i386.c (generic64_cost, generic32_cost): New.
20730 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
20731 (x86_use_leave): Enable for generic64. (x86_use_sahf,
20732 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
20733 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
20734 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
20735 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
20736 x86_partial_reg_dependency, x86_memory_mismatch_stall,
20737 x86_accumulate_outgoing_args, x86_prologue_using_move,
20738 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
20739 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
20740 Enable for generic.
20741 (x86_use_incdec, x86_pad_returns): New.
20742 (override_options): Add generic32 and generic64, translate "generic"
20743 to generic32/generic64 and "i686" to "generic32", refuse
20744 "generic32"/"generic64" as arch target.
20745 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
20746 (ix86_reorg): Honor PAD_RETURNS.
20748 2006-01-19 Diego Novillo <dnovillo@redhat.com>
20750 * tree-pretty-print.c (dump_generic_node): Handle
20751 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
20752 * cgraph.c (cgraph_expand_queue): Rename from
20753 cgraph_analyze_queue. Update all users.
20754 * cgraphunit.c (cgraph_assemble_pending_functions): Process
20755 cgraph_expand_queue.
20756 (cgraph_expand_all_functions): Likewise.
20757 (cgraph_finalize_pending_functions): Remove. Update callers.
20759 * tree.h (OMP_DIRECTIVE_P): Define.
20760 (OMP_PARALLEL_FN): Define.
20761 (OMP_PARALLEL_DATA_ARG): Define.
20762 (OMP_SECTIONS_SECTIONS): Define.
20763 * tree-pass.h (pass_expand_omp): Declare.
20764 * omp-low.c (struct omp_region): Declare.
20765 (struct omp_context): Remove fields 'parallel_type',
20766 'parallel_start_ix' and 'parallel_start_additional_args'.
20768 (struct omp_for_data): Rename from struct expand_omp_for_data.
20769 (omp_regions): New static variable.
20770 (root_omp_region): New static variable.
20771 (find_omp_clause): Make static.
20772 (is_in_combined_parallel_ctx): Remove.
20773 (is_combined_parallel): New.
20774 (extract_omp_for_data): Move earlier in the file.
20775 (workshare_safe_to_combine_p): New.
20776 (get_ws_args_for): New.
20777 (determine_parallel_type): Move earlier in the file.
20778 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
20780 (omp_copy_decl): Likewise.
20781 (create_omp_child_function): Likewise.
20782 (lookup_omp_region): New.
20783 (dump_omp_region): New.
20784 (debug_omp_region): New.
20785 (debug_all_omp_regions): New.
20786 (new_omp_region): New.
20787 (scan_omp_parallel): If parallel_nesting_level > 1, the
20788 directive is nested within another parallel directive.
20789 Set OMP_PARALLEL_FN.
20790 (scan_omp_for): Do not try to handle combined parallel+for
20792 Remove FIXME comment.
20793 (scan_omp_nested): Remove.
20794 (scan_omp_1): Do not call scan_omp_nested when
20795 parallel_nesting_level is > 1.
20796 Do not change the DECL_CONTEXT of local variables found.
20797 (lookup_decl_in_outer_ctx): New.
20798 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
20799 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
20800 (lower_reduction_clauses): Rename from expand_reduction_clauses.
20801 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
20802 If CTX is nested, lookup VAR in the outer context when
20803 building copy assignment.
20804 (lower_send_clauses): Rename from expand_send_clauses.
20805 If CTX is nested, lookup VAR in the outer context when
20806 building copy assignments.
20807 (lower_send_shared_vars): Rename from expand_send_shared_vars.
20808 If CTX is nested, lookup VAR in the outer context when
20809 building copy assignments.
20810 (expand_parallel_call): Rename from build_parallel_call.
20811 Handle combined parallel+workshare cases.
20812 Re-implement to emit code into the CFG.
20814 (expand_omp_parallel): Re-implement to emit code into the CFG.
20815 Call move_sese_region_to_fn to outline the sub-graph
20816 containing the parallel region.
20817 (expand_omp_for_1): Remove.
20818 (expand_omp_for_generic): Re-implement to emit code into the
20820 (expand_omp_for_static_nochunk): Likewise.
20821 (expand_omp_for_static_chunk): Likewise.
20822 (expand_omp_for): Likewise.
20823 (expand_omp_sections): Likewise.
20824 (remove_exit_barriers): New.
20825 (expand_omp_synch): New.
20827 (build_omp_regions_1): New.
20828 (build_omp_regions): New.
20829 (execute_expand_omp): New.
20830 (gate_expand_omp): New.
20831 (pass_expand_omp): Define.
20832 (lower_omp_sections): Rename from expand_omp_sections.
20833 Set OMP_SECTIONS_SECTIONS.
20834 (lower_omp_single_simple): Rename from expand_omp_single_simple.
20835 (lower_omp_single_copy): Rename from expand_omp_single_copy.
20836 (lower_omp_single): Rename from expand_omp_simple.
20837 (lower_omp_master): Rename from expand_omp_master.
20838 (lower_omp_ordered): Rename from expand_omp_ordered.
20839 (lower_omp_critical): Rename from expand_omp_critical.
20840 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
20841 (lower_omp_for): Re-implement.
20842 (lower_omp_parallel): Re-implement.
20843 (lower_regimplify): Rename from expand_regimplify.
20844 (lower_omp_1): Rename from expand_omp_1.
20845 If there are syntax errors in the program, replace every
20846 OpenMP directive with NOP.
20847 Call lower_omp_* instead of expand_omp_*.
20848 (lower_omp): Rename from expand_omp.
20850 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
20851 * tree-gimple.h (enum omp_parallel_type): Remove.
20852 (gimple_boolify): Declare extern.
20853 (find_omp_clause, determine_parallel_type): Remove.
20855 * gimple-low.c (lower_omp_directive): New.
20856 (lower_stmt): Call it.
20857 (record_vars_into): Move from ...
20858 (record_vars): ... here.
20859 Call record_vars_into with current_function_decl.
20861 * gimplify.c (struct gimplify_ctx): Remove fields
20862 combined_pre_p and combined_ctxp. Update users.
20863 (get_formal_tmp_var): Add documentation.
20864 (gimple_boolify): Make extern.
20865 (gimplify_expr_in_ctx): Remove. Update callers.
20866 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
20867 will always be a BIND_EXPR.
20868 (gimplify_expr): Handle OMP_RETURN_EXPR.
20869 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
20870 (OMP_PARALLEL): Add 3 operands.
20871 (OMP_SECTIONS): Add 1 operand.
20872 (OMP_RETURN_EXPR): Define.
20874 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
20875 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
20876 * tree-iterator.c (alloc_stmt_list): Assert that we are not
20877 creating a circular free list.
20878 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
20880 * tree-flow.h (move_sese_region_to_fn): Declare.
20881 (record_vars_into): Declare.
20882 * tree-cfg.c (make_omp_sections_edges): New.
20883 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
20884 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
20885 OMP_SECTIONS and OMP_SECTION.
20886 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
20887 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
20888 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
20889 (gather_blocks_in_sese_region): New.
20890 (struct move_stmt_d): Declare.
20891 (move_stmt_r): New.
20892 (move_block_to_fn): New.
20893 (move_sese_region_to_fn): New.
20895 * passes.c (init_optimization_passes): Schedule
20896 pass_expand_omp after pass_init_datastructures.
20898 * tree-ssa-operands.c (get_expr_operands): Handle
20899 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
20900 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
20902 2006-01-19 Jeff Law <law@redhat.com>
20904 * tree-vrp.c (extract_range_from_assert): Refine the result range
20905 if the variable referenced by the ASSERT_EXPR has a range and
20906 either the tentative result range or the previous range is a
20909 2006-01-19 Richard Sandiford <richard@codesourcery.com>
20911 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
20913 2006-01-19 Jan Hubicka <jh@suse.cz>
20915 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
20917 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
20919 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
20920 (expand_compound_operation, expand_field_assignment): Fail if the
20921 bit lengths of an extract operation are out of range.
20922 (make_extraction): Compute wanted_inner_mode based on the position
20923 and length of the extraction. Make it extraction_mode for non-constant
20924 positions, and do not modify offset in that case. When generating a
20925 new MEM, use a mode that can hold the extraction while keeping correct
20926 alignment. Remove code that supported MEMs wrapped by USEs.
20927 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
20929 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
20931 * config/s390/s390.md ("Y", "y"): New mode attribute.
20932 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
20933 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
20934 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
20935 "*addsi3_imm_cc", "*addsi3_carry1_cc",
20936 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
20937 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
20938 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
20939 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
20940 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
20941 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
20942 "addsi3", "subsi3"): Insn patterns removed.
20943 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
20944 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
20945 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
20946 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
20947 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
20948 "*sub<mode>3_cconly2"): New insn patterns.
20949 ("addsi3", "subsi3"): New expanders.
20951 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
20953 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
20954 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
20955 existing STMT_VINFO_VECTYPE if available.
20956 (vect_mark_relevant): Add special handling for stmts that are
20957 marked as STMT_VINFO_IN_PATTERN_P.
20958 (vect_analyze_loop): Call vect_pattern_recog.
20959 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
20960 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
20962 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
20963 (vect_recog_func_ptr): New function-pointer type.
20964 * tree-vect-patterns.c: New file.
20965 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
20966 (vect_recog_dot_prod_pattern, vect_pattern_recog):
20967 (vect_pattern_recog_1): New functions.
20968 (vect_pattern_recog_funcs): New array of function pointers.
20970 * tree-vectorizer.h (ternary_op): New enum value.
20971 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
20972 declaration. Revised documentation. Removed redundant dump prints.
20973 Removed redundant argument. Added support for reduction patterns.
20974 (vectorizable_reduction): Added support for reduction patterns.
20975 (vect_transform_stmt): Added support for patterns.
20977 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
20978 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
20979 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
20980 (expand_widen_pattern_expr): New function.
20981 (init_optabs): Initialize new optabs udot_prod_optab,
20983 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
20984 (sdot_prod_optab, udot_prod_optab): Define new optabs.
20985 (expand_widen_pattern_expr): New function declaration.
20986 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
20988 * tree-inline.c (estimate_num_insns_1): Added cases for new
20989 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
20990 * tree-pretty-print.c (dump_generic_node): Likewise.
20991 (op_prio): Likewise.
20992 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
20993 * tree-ssa-operands.c (get_expr_operands): Added case for
20995 * tree-vect-patterns.c (widened_name_p): New function.
20996 (vect_recog_dot_prod_pattern): Added function implementation.
20997 * tree-vect-transform.c (get_initial_def_for_reduction): Added
20998 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
20999 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
21000 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
21002 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
21003 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
21004 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
21005 (init_optabs): Initialize new optabs widen_ssum_optab,
21007 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
21008 (widen_ssum_optab, widen_usum_optab): Define new optabs.
21009 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
21010 use instead of type of def.
21011 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
21012 function implementation.
21013 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
21014 widen_ssumv8hi): New.
21016 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
21019 2006-01-19 Richard Sandiford <richard@codesourcery.com>
21022 * c-decl.c (add_flexible_array_elts_to_size): New function.
21023 (finish_decl): Use it.
21025 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
21027 * diagnostic.h: Include options.h.
21028 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
21029 dependancies for diagnostic.h.
21030 * Makefile.in (DIAGNOSTIC_H): Add options.h.
21032 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
21034 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
21035 (ssa_ro_call_cache_valid): Ditto.
21036 * tree-ssa-alias.c (sort_tags_by_id): New function.
21037 (init_transitive_clobber_worklist): Ditto.
21038 (add_to_worklist): Ditto.
21039 (mark_aliases_call_clobbered): Ditto.
21040 (compute_tag_properties): Ditto.
21041 (set_initial_properties): Ditto.
21042 (compute_call_clobbered): Ditto.
21043 (compute_may_aliases): Call compute_call_clobbered and grouping.
21044 (compute_flow_sensitive_aliasing): Remove clobbering related code.
21045 (compute_flow_insensitive_aliasing): Grouping now happens in our
21047 (setup_pointers_and_addressables): Remove clobbering related code.
21048 (add_may_alias): Ditto.
21049 (replace_may_alias): Ditto.
21050 (get_nmt_for): Ditto.
21051 (create_global_var):
21052 (is_escape_site): Return an escape_type enumeration.
21053 * tree-flow-inline.h (is_call_clobbered): Global var does not
21054 imply call clobbered.
21055 (mark_call_clobbered): Take a reason for marking this. Remove
21056 marking of globalness, and cache invalidation.
21057 (clear_call_clobbered): Remove cache invalidation code.
21058 * tree-dfa.c (dump_variable): If details is on, dump the reason
21060 * tree-outof-ssa.c (create_temp): Copy escape mask from original
21062 * tree-flow.h (struct ptr_info_def): Add escape mask member.
21063 (struct var_ann_d): Ditto.
21064 (enum escape_type): New.
21065 (mark_call_clobbered): Adjust prototype.
21066 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
21067 are never call clobbered.
21068 Record reasons for escaping.
21069 * tree-ssa-structalias.h (is_escape_site): Update prototype.
21070 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
21071 (ssa_ro_call_cache_valid): Ditto.
21072 (clobbered_v_may_defs): Ditto.
21073 (clobbered_vuses): Ditto.
21074 (ro_call_vuses): Ditto.
21075 (clobber_stats): New.
21076 (init_ssa_operands): Zero out clobber stats.
21077 (fini_ssa_operands): Print out clobber stats.
21078 (get_call_expr_operands): Pass callee fndecl to
21079 add_call_read_ops).
21080 (add_call_clobber_ops): Remove use of cache.
21081 Add use of PURE_CONST information.
21082 (add_call_read_ops): Remove use of cache.
21083 Add use of static not_read information.
21085 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
21087 Introduce TLS descriptors for i386 and x86_64.
21088 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
21089 (TARGET_ANY_GNU_TLS): New macro.
21090 (enum tls_dialect): Added TLS_DIALECT_GNU2.
21091 (struct machine_function): Add tls_descriptor_call_expanded_p.
21092 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
21093 (ix86_current_function_calls_tls_descriptor): Likewise.
21094 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
21095 (override_options): Introduce gnu2 tls dialect.
21096 (ix86_frame_pointer_required): Functions containing TLSCALLs are
21098 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
21100 (legitimize_tls_address): Adjust logic for GNU2 TLS.
21101 (ix86_init_machine_status): Initialize new field.
21102 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
21103 (ix86_tls_module_base): New.
21104 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
21105 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
21106 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
21107 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
21108 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
21109 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
21110 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
21111 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
21112 * config/i386/predicates.md (tls_modbase_operand): New.
21113 (tp_or_register_operand): New.
21115 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
21117 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
21118 (look_for_address_of): Ditto.
21119 (ipa_init): Walk the function decls.
21120 (static_execute): Don't set readonly on FUNCTION_DECL's.
21122 2006-01-18 Roger Sayle <roger@eyesopen.com>
21124 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
21125 for shifts where the source and destination registers are different.
21127 2006-01-18 Paul Brook <paul@codesourcery.com>
21129 Merge from csl-arm-branch.
21130 2005-03-14 Julian Brown <julian@codesourcery.com>
21131 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
21132 (aeabi_llsl): Likewise.
21133 (ashrdi3): Likewise.
21134 (aeabi_lasr): Likewise.
21135 (lshrdi3): Likewise.
21136 (aeabi_llsr): Likewise.
21137 2005-03-10 Julian Brown <julian@codesourcery.com>
21138 * config.gcc: Disable shared libgcc for SymbianOS.
21139 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
21141 2006-01-18 DJ Delorie <dj@redhat.com>
21143 * c-pragma.c (handle_pragma_diagnostic): New.
21144 (init_pragma): Register it.
21145 * doc/extend.texi: Document it.
21147 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
21148 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
21149 (diagnostic_context): Add classify_diagnostic[].
21150 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
21151 as errors if they're overridden to DK_WARNING.
21152 (diagnostic_initialize): Initialize classify_diagnostic[].
21153 (diagnostic_set_kind_override): New.
21154 (diagnostic_report_diagnostic): Check for kind changes.
21155 * opts.c (common_handle_option): Take lang_mask. Update callers.
21156 Handle OPT_Werror_.
21157 * common.opt (Werror=): New.
21158 * doc/invoke.texi: Document -Werror=*
21160 2006-01-18 Jeff Law <law@redhat.com>
21162 * tree-vrp.c (test_for_singularity): Correct test for new
21163 min limit. Use operand_equal_p rather than pointer equality
21164 for testing if new min/max values are equal.
21166 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
21167 using range information until after propagation and folding.
21169 2006-01-18 Richard Henderson <rth@redhat.com>
21170 Aldy Hernandez <aldyh@redhat.com>
21171 Jakub Jelinek <jakub@redhat.com>
21172 Diego Novillo <dnovillo@redhat.com>
21174 * omp-low.c: New file.
21175 * c-omp.c: New file.
21177 2006-01-18 Richard Henderson <rth@redhat.com>
21178 Jakub Jelinek <jakub@redhat.com>
21179 Diego Novillo <dnovillo@redhat.com>
21181 * doc/invoke.texi: Document -fopenmp.
21182 * tree-dump.h (debug_function): Declare.
21183 * hooks.c (hook_bool_tree_bool_false): New function.
21184 (hook_tree_tree_null): Remove.
21185 (hook_tree_tree_tree_null): New.
21186 * hooks.h: Update to match.
21187 * tree-pretty-print.c (debug_tree_chain): New.
21188 (print_generic_expr): Handle TDF_CHAIN.
21189 (dump_generic_node): Handle BLOCK.
21190 Do not abort with incomplete SWITCH_EXPRs.
21191 Do not dump body of an OpenMP directive if TDF_SLIM is given.
21192 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
21193 print space after directive name.
21194 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
21195 Handle OMP_MASTER and OMP_ORDERED.
21196 Handle printing of OMP_BODY just in one place, goto
21197 dump_omp_body in the rest of OMP_* nodes that have
21199 Don't handle clause nodes here. Update omp statements to
21200 use dump_omp_clauses.
21201 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
21202 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
21203 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
21204 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
21205 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
21206 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
21207 Adjust output for GOMP_PARALLEL.
21208 (dump_omp_clauses): New.
21209 (print_declaration): Dump DECL_VALUE_EXPR.
21210 (op_symbol_1): Split out of op_symbol.
21211 (dumping_stmts): Remove. Update all users.
21212 * cgraph.c (cgraph_analyze_queue): New.
21213 (cgraph_add_new_function): New.
21214 * cgraph.h (cgraph_analyze_queue): Declare.
21215 (cgraph_add_new_function): Declare.
21216 (cgraph_lower_function): Remove.
21217 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
21218 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
21219 and TYPE_P nodes in its default clause.
21220 (empty_body_p): New.
21221 (tree_range_check_failed): New.
21222 (build5_stat): New.
21223 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
21224 OMP_CLAUSE_REDUCTION_MERGE,
21225 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
21226 OMP_CLAUSE_PRIVATE_DEBUG,
21227 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
21228 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
21229 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
21230 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
21231 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
21232 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
21233 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
21234 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
21235 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
21236 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
21237 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
21238 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
21239 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
21240 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
21241 (TREE_RANGE_CHECK): New.
21242 (empty_body_p): Declare.
21243 (enum omp_clause_default_kind): New.
21244 (build_string_literal): Declare.
21245 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
21246 (build5_stat, build5): Declare.
21247 * tree-pass.h (TDF_CHAIN): Define.
21248 * tree-pass.h (PROP_gimple_lomp): Define.
21249 (pass_lower_omp): Declare.
21250 * diagnostic.h (debug_tree_chain): Declare.
21251 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
21253 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
21254 * builtins.c (build_string_literal): Make extern.
21255 * gcc.c (include_spec_function): New.
21256 (static_spec_functions): Add it.
21257 (main): Move load of libgomp.spec ...
21258 (LINK_COMMAND_SPEC): ... here.
21259 (link_gomp_spec): New.
21260 (static_specs): Include it.
21261 (LINK_COMMAND_SPEC): Add link_gomp.
21262 (GOMP_SELF_SPECS): New.
21263 (driver_self_specs): Include it.
21264 (switch_matches): Don't mark inline.
21265 (main): Load libgomp.spec.
21266 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
21267 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
21268 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
21269 * tree-gimple.h (enum omp_parallel): Declare.
21270 (determine_parallel_type): Declare.
21271 (omp_firstprivatize_variable): Declare.
21272 (omp_reduction_init): Declare.
21273 (diagnose_omp_structured_block_errors): Declare.
21274 (struct walk_stmt_info): Add want_return_expr.
21275 (struct walk_stmt_info): Add want_bind_expr, want_locations.
21276 (find_omp_clause): Declare.
21277 (insert_field_into_struct): Declare.
21278 (struct walk_stmt_info): Move from tree-nested.c
21279 (walk_stmts): Declare.
21280 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
21282 * cgraphunit.c (cgraph_lower_function): Make static.
21283 (cgraph_finalize_pending_functions): New.
21284 (cgraph_finalize_function): Call it.
21285 (cgraph_finalize_compilation_unit): Likewise.
21286 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
21287 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
21288 (BT_FN_UINT_UINT): New.
21289 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
21290 DEF_FUNCTION_TYPE_VAR_4): Document.
21291 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
21292 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
21293 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
21294 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
21295 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
21296 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
21297 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
21298 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
21299 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
21300 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
21301 into separate files.
21302 (DEF_GOMP_BUILTIN): New.
21303 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
21304 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
21305 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
21306 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
21307 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
21308 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
21309 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
21310 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
21311 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
21312 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
21313 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
21314 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
21315 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
21316 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
21317 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
21318 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
21319 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
21320 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
21321 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
21322 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
21323 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
21324 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
21325 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
21326 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
21327 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
21328 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
21329 * sync-builtins.def: New file, moved from builtins.def.
21330 * omp-builtins.def: New file, moved from builtins.def.
21331 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
21332 * gimple-low.c (lower_function_body): Clear data.
21333 (lower_stmt): Do not handle COMPOUND_EXPR.
21334 Remove call to print_node_brief.
21335 * c-tree.h (c_finish_omp_clauses): New prototype.
21336 (C_DECL_THREADPRIVATE_P): Define.
21337 (lookup_name_no_remap, c_omp_remap_private): Remove
21338 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
21339 (check_for_loop_decls): Update decl.
21340 (lookup_name_no_remap, c_omp_remap_private): Declare.
21341 (build_indirect_ref, build_modify_expr, pushdecl,
21342 pushdecl_top_level): Move to c-common.h.
21343 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
21344 before the switch, but just in the 2 places that need it.
21345 * c-decl.c (diagnose_mismatched_decls): Do not check for
21346 mismatched thread-local attributes when OLDDECL is marked
21347 threadprivate and NEWDECL has no thread-local attributes.
21348 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
21349 (c_gimple_diagnostics_recursively): Rename from
21350 c_warn_unused_result_recursively. Invoke
21351 diagnose_omp_structured_block_errors.
21352 (check_for_loop_decls): Return a singular decl found.
21353 * langhooks.c (lhd_omp_predetermined_sharing): Return
21354 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
21355 (lhd_omp_firstprivatize_type_sizes): New.
21356 (lhd_omp_assignment): New.
21357 (lhd_omp_predetermined_sharing): New.
21358 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
21359 (struct lang_hooks_for_types): Add
21360 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
21361 omp_predetermined_sharing, omp_disregard_value_expr,
21362 omp_private_debug_clause, omp_clause_default_ctor,
21363 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
21364 (c_finish_omp_clauses): New.
21365 (c_finish_bc_stmt): Diagnose break within omp for.
21366 (c_begin_omp_parallel, c_finish_omp_parallel): New.
21367 (build_unary_op): Return error_mark after reporting
21369 (build_modify_expr): Likewise.
21370 * gimplify.c: Include optabs.h and pointer-set.h.
21371 (enum gimplify_omp_var_data): Declare.
21372 (struct gimplify_omp_ctx): Declare.
21373 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
21375 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
21376 (push_gimplify_context, pop_gimplify_context): Allow nesting.
21377 (splay_tree_compare_decl_uid): New.
21378 (new_omp_context): New.
21379 (delete_omp_context): New.
21380 (gimple_add_tmp_var): Call omp_add_variable.
21381 (gimplify_bind_expr): Likewise.
21382 (gimplify_var_or_parm_decl): If omp_notice_variable returned
21383 true, disregard DECL_VALUE_EXPR on the decl if any.
21384 (gimplify_expr_in_ctx): New.
21385 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
21386 omp_add_variable, omp_notice_variable, omp_is_private
21387 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
21388 gimplify_adjust_omp_clauses, gimplify_omp_parallel
21389 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
21390 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
21391 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
21392 gimplify_omp_atomic): New.
21393 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
21394 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
21395 OMP_CRITICAL and OMP_ATOMIC.
21396 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
21397 * c-pragma.h (enum pragma_kind): Add
21398 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
21399 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
21400 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
21401 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
21402 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
21403 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
21404 PRAGMA_OMP_THREADPRIVATE.
21405 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
21406 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
21407 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
21408 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
21409 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
21410 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
21411 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
21412 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
21413 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
21414 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
21415 * tree-ssa-dce.c (find_control_dependence): Do not assume that
21416 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
21417 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
21419 (struct nesting_info): Add field_map,
21420 suppress_expansion, debug_var_chain.
21421 (create_nesting_tree): Initialize them.
21422 (lookup_field_for_decl): Use field_map.
21423 (get_nonlocal_debug_decl, get_local_debug_decl): New.
21424 (convert_local_omp_clauses): New.
21425 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
21426 (walk_body): Split out of walk_function.
21427 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
21428 (convert_nonlocal_reference): Handle omp statements.
21429 (convert_local_reference): Likewise.
21430 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
21431 (unnest_nesting_tree): New.
21432 (lower_nested_functions): Call it.
21433 (insert_field_into_struct): Make extern.
21434 (struct walk_stmt_info): Move to tree-gimple.h.
21435 (walk_stmts): Make extern.
21436 * omp-builtins.def: New file.
21437 * tree-iterator.c (expr_only): Clarify comment.
21438 * c-common.h (pushdecl_top_level, pushdecl,
21439 build_modify_expr, build_indirect_ref,
21440 c_finish_omp_master, c_finish_omp_critical,
21441 c_finish_omp_ordered, c_finish_omp_barrier,
21442 c_finish_omp_atomic, c_finish_omp_flush,
21443 c_finish_omp_for, c_split_parallel_clauses,
21444 omp_clause_default_kind, c_omp_sharing_predetermined,
21445 c_omp_remap_decl): Declare.
21446 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
21447 (OBJS-common): Add omp-low.o.
21448 (c-omp.o, omp-low.o): Add.
21449 (gimplify.o): Add dependency on $(OPTABS_H).
21450 (GTFILES): Add omp-low.c.
21451 (gt-stringpool.h): Add.
21452 * tree-cfg.c (set_bb_for_stmt): Do not update the
21453 block-to-labels map if we are currently expanding to RTL.
21454 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
21456 Handle IDENTIFIER_NODE.
21457 (tree_verify_flow_info): Do not ICE when emitting error
21458 messages about invalid labels.
21459 (dump_function_to_file): Reset CFUN before emitting the body
21461 (debug_function): New.
21462 * passes.c (init_optimization_passes): Schedule
21464 * langhooks-def.h (lhd_omp_predetermined_sharing,
21465 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
21467 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
21468 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
21469 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
21470 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
21471 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
21472 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
21473 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
21474 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
21475 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
21476 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
21477 (LANG_HOOK_DECLS): Use them.
21479 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
21480 Richard Henderson <rth@redhat.com>
21481 Jakub Jelinek <jakub@redhat.com>
21482 Diego Novillo <dnovillo@redhat.com>
21484 * c-parser.c (pragma_omp_clause): Define.
21485 (c_parser_declaration_or_fndef): Document OpenMP syntax.
21486 (c_parser_compound_statement): Likewise.
21487 (c_parser_statement): Likewise.
21488 (c_parser_pragma): Handle omp pragmas.
21489 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
21490 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
21491 (c_parser_omp_clause_name, check_no_duplicate_clause,
21492 c_parser_omp_variable_list,
21493 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
21494 c_parser_omp_clause_copyprivate,
21495 c_parser_omp_clause_default,
21496 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
21497 c_parser_omp_clause_lastprivate,
21498 c_parser_omp_clause_nowait,
21499 c_parser_omp_clause_num_threads,
21500 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
21501 c_parser_omp_clause_reduction,
21502 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
21503 c_parser_omp_all_clauses, c_parser_omp_structured_block,
21504 c_parser_omp_atomic, c_parser_omp_barrier,
21505 c_parser_omp_critical, c_parser_omp_flush,
21506 c_parser_omp_for_loop, c_parser_omp_for,
21507 c_parser_omp_master, c_parser_omp_ordered,
21508 c_parser_omp_sections_scope, c_parser_omp_sections,
21509 c_parser_omp_parallel, c_parser_omp_single,
21510 c_parser_omp_construct, c_parser_omp_threadprivate): New.
21511 * c-pragma.c (init_pragma): Do omp pragma registration here.
21512 * c.opt (fopenmp): New flag.
21514 2006-01-18 Eric Christopher <echristo@apple.com>
21516 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
21517 * config/darwin.h (GOMP_SELF_SPECS): Define.
21519 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
21521 * rtl.h: Remove the prototype for reg_alloc.
21523 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21526 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
21527 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
21528 sjlj and dwarf2 exception handling.
21529 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
21530 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
21531 * pa/pa.c (function_value): Treat complex and vector types as
21533 (function_arg): Likewise. Only pass scalar floats in the floating
21534 point argument registers.
21535 * pa/t-slibgcc-dwarf-ver: New file.
21536 * pa/t-slibgcc-sjlj-ver: New file.
21537 * pa/t-slibgcc-elf-ver: Delete file.
21539 2006-01-19 Alan Modra <amodra@bigpond.net.au>
21541 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
21542 unlikely_test_section_p test.
21544 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
21546 * mode-switching.c (optimize_mode_switching): Make it static.
21547 * basic-block.h: Remove the prototype for
21548 optimize_mode_switching.
21550 * modulo-sched.c (sms_schedule): Make it static.
21551 * rtl.h: Remove the prototype for sms_schedule.
21553 * postreload-gcse.c (gcse_after_reload_main): Make it static.
21554 * rtl.h: Remove the prototype for gcse_after_reload_main.
21556 * reg-stack.c (reg_to_stack): Make it static.
21557 * rtl.h: Remove the prototype for reg_to_stack.
21559 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
21561 * rtl.h: Remove the prototypes for regrename_optimize and
21562 copyprop_hardreg_forward.
21564 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
21566 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
21567 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
21568 Test against the appropriate null constant for the mode.
21569 If 'fixup_overlap' is true, swap the operands if they overlap.
21570 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
21571 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
21572 alpha_split_tmode_pair and adjust for above change.
21573 * config/alpha/alpha.md (movtf_internal): Adjust call to
21574 alpha_split_tfmode_pair and rely on it to swap the operands.
21575 (movti_internal): New insn and post-reload splitter.
21576 (movti): New expander.
21578 2006-01-18 Philippe De Muyter <phdm@macqel.be>
21580 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
21583 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
21585 * rtlanal.c (global_reg_mentioned_p_1,
21586 global_reg_mentioned_p): Remove.
21587 * rtl.h: Remove the prototype for global_reg_mentioned_p.
21589 * flow.c (initialize_uninitialized_subregs): Make it static.
21590 * rtl.h: Remove the prototype for
21591 initialize_uninitialized_subregs.
21593 * function.c (instantiate_virtual_regs): Make it static.
21594 * function.h: Remove the prototype for
21595 instantiate_virtual_regs.
21597 * regmove.c (regmove_optimize, combine_stack_adjustments):
21599 * rtl.h: Remove the prototypes for regmove_optimize and
21600 combine_stack_adjustments.
21602 2006-01-17 Roger Sayle <roger@eyesopen.com>
21604 * config/i386/i386.c (COSTS_N_BYTES): New macro.
21605 (size_cost): Encode costs in bytes so that a reg-reg addition is
21606 equivalent to COSTS_N_INSNS(1).
21607 (override_options): Use the size_cost.branch_cost as the default
21608 ix86_branch_cost when optimizing for size.
21610 2006-01-18 Ben Elliston <bje@au.ibm.com>
21612 * Makefile.in (D32PBIT_FUNCS): New.
21613 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
21614 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
21615 D64PBIT_FUNCS and D128PBIT_FUNCS.
21616 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
21617 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
21619 (decnumber_dep): Define.
21620 * doc/libgcc.texi (Decimal float library routines): New node.
21621 * config/dfp-bit.h, config/dfp-bit.c: New files.
21623 2006-01-18 Ben Elliston <bje@au.ibm.com>
21625 * expr.c (emit_move_change_mode): Always adjust addresses, not
21626 just during reload. Copy replacements only during reload.
21627 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
21628 emit_move_via_integer.
21630 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
21632 * Makefile.in (check-%, check-consistency): Use $${srcdir}
21633 instead of $(srcdir) and ${srcdir}.
21635 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
21638 PR middle-end/11135
21639 * arm.h (struct machine_function): Add pic_reg.
21640 * arm.c (arm_pic_register): Make unsigned.
21641 (arm_override_options): Only set arm_pic_register if
21642 TARGET_SINGLE_PIC_BASE.
21643 (use_return_insn): Only test for a pic register if it is fixed.
21644 (arm_compute_save_reg0_reg12_mask): Likewise.
21645 (thumb_compute_save_reg_mask): Likewise.
21646 (legitimate_pic_operand): Factor out some known invariants.
21647 (legitimize_pic_address): If we don't have a fixed pic register,
21648 then set up a pseudo in the function entry sequence. Handle the
21649 pic base being in a pseudo.
21650 (arm_load_pic_register): Handle the pic register being in a pseudo.
21651 (arm_expand_prologue): Only set up the pic register if it is fixed.
21652 (thumb_expand_prologue): Likewise.
21653 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
21654 (pic_load_addr_based_insn): Likewise.
21655 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
21658 2006-01-18 Ben Elliston <bje@au.ibm.com>
21660 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
21661 decimal float modes for all floating point registers.
21663 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
21664 match_code "mem" with match_test "macho_lo_sum_memory_operand".
21666 2006-01-17 Jakub Jelinek <jakub@redhat.com>
21669 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
21670 even when the pointer is not NULL.
21672 2006-01-16 Ian Lance Taylor <ian@airs.com>
21674 * common.opt (ftoplevel-reorder): New option.
21675 * cgraph.c (cgraph_asm_nodes): New global variable.
21676 (cgraph_asm_last_node): New static variable.
21677 (cgraph_order): New global variable.
21678 (cgraph_create_node): Set new order field.
21679 (cgraph_varpool_node): Likewise.
21680 (decide_is_variable_needed): Return true if not
21681 flag_toplevel_reorder.
21682 (cgraph_add_asm_node): New function.
21683 * cgraph.h (struct cgraph_node): Add order field.
21684 (struct cgraph_varpool_node): Add order field.
21685 (struct cgraph_asm_node): Define.
21686 (cgraph_asm_nodes, cgraph_order): Declare.
21687 (cgraph_add_asm_node): Declare.
21688 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
21690 (cgraph_varpool_assemble_pending_decls): Call it.
21691 (cgraph_output_pending_asms): New static function.
21692 (cgraph_finalize_compilation_unit): Call it.
21693 (struct cgraph_order_sort): Define.
21694 (cgraph_output_in_order): New static function.
21695 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
21696 !flag_toplevel_reorder case.
21697 * c-parser.c: Include "cgraph.h".
21698 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
21700 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
21701 than -fno-unit-at-a-time.
21702 * doc/invoke.texi (Option Summary): Mention
21703 -fno-toplevel-reorder.
21704 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
21705 -funit-at-a-time documentation.
21707 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
21708 Kazu Hirata <kazu@codesourcery.com>
21710 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
21712 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
21714 * Makefile.in (FUNCTION_H): New. Use it instead of
21715 function.h throughout the file.
21716 * function.h: Include tree.h.
21718 2006-01-17 Ben Elliston <bje@au.ibm.com>
21720 * recog.c: Separate some functions with whitespace.
21722 2006-01-16 Richard Henderson <rth@redhat.com>
21724 Merge from gomp branch:
21725 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
21726 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
21727 and rename from struct inline_data. Rename callee* to dst*;
21728 caller* to src*; add copy_decl hook, transform_call_graph_edges,
21729 transform_new_cfg, transform_return_to_modify, and
21730 transform_lang_insert_block flags; remove cloning_p, versioning_p,
21732 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
21733 (copy_decl_for_dup): Remove.
21734 * tree-inline.c (struct inline_data): Move to header.
21735 (insert_decl_map): Export.
21736 (remap_decl): Update for member name changes. Use copy_decl hook.
21737 Allow for replacement to be a non-decl. Remove dead code.
21738 (remap_type_1): Check for existing mapping.
21739 (remap_type): Export.
21740 (remap_decls): Update for member name changes.
21741 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
21742 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
21743 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
21744 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
21745 (tree_function_versioning, build_duplicate_type): Likewise.
21746 (copy_body_r): Likewise. Export.
21747 (copy_decl_for_dup): Split into ...
21748 (copy_decl_for_dup_finish, copy_decl_to_var,
21749 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
21750 (replace_ref_tree, inlining_p): Remove.
21752 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21754 * ifcvt.c (if_convert): Make it static.
21755 * rtl.h: Remove the prototype for if_convert.
21757 * local-alloc.c (local_alloc): Make it static.
21758 * rtl.h: Remove the prototype for local_alloc.
21760 * loop.c (loop_optimize): Make it static.
21761 * cfgloop.h: Remove the prototype for loop_optimize.
21764 2006-01-16 DJ Delorie <dj@redhat.com>
21766 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
21769 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21771 * pa.md: Disparage copies between general and floating-point registers
21772 in 32-bit move patterns.
21774 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
21777 * Makefile.in (check-%): Depend on site.exp instead of
21778 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
21781 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21783 * global.c (global_alloc): Make it static.
21784 * rtl.h: Remove the prototype for global_alloc.
21786 2006-01-16 Richard Guenther <rguenther@suse.de>
21788 * tree-ssa-alias.c (struct used_part): Add write_only field.
21789 (get_or_create_used_part_for): Initialize it to true.
21790 (create_overlap_variables_for): Don't create structure variables
21791 for structures that only are written to.
21792 (find_used_portions): Handle MODIFY_EXPR to track whether a
21793 structure is only written to.
21795 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21797 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
21799 * basic-block.h: Remove the prototype for
21800 partition_hot_cold_basic_blocks.
21802 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
21804 * cppspec.c (lang_specific_spec_functions): Remove.
21805 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
21806 * gcc.h (lang_specific_spec_functions): Remove.
21807 * gccspec.c (lang_specific_spec_functions): Remove.
21809 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
21811 * combine.c (record_value_for_reg): Invalidate registers
21813 (record_dead_and_set_regs_1): Likewise, by passing them to
21814 record_value_for_reg.
21815 (record_dead_and_set_regs): Invalidate stores made by a
21816 call. We do not combine across a call, but we still
21817 relied on equivalences.
21819 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
21821 * tree-vrp.c (extract_range_from_binary_expr): Cope with
21822 vrp_int_const_binop returning non-constant nodes.
21824 2006-01-16 Paul Brook <paul@codesourcery.com>
21826 * config/m68k/m68k.c (output_move_const_into_data_reg):
21827 Output correct mnemonic for mvz and mvs.
21829 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
21831 * rtl-factoring.c: Add sequence abstraction algorithm.
21832 * cfgcleanup.c (outgoing_edges_match): Extra checks.
21833 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
21835 (block_has_preserve_label): New function.
21836 * common.opt: Register new pass.
21837 * Makefile.in: Ditto.
21839 * timevar.def: Ditto.
21840 * tree-pass.h: Ditto.
21841 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
21842 * rtl.h (make_jump_insn_raw): Add forward decl.
21843 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
21845 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
21846 Roger Sayle <roger@eyesopen.com>
21848 * fold-const.c (fold_minmax): New static function.
21849 (fold_binary) <MIN_EXPR>: Call it.
21850 <MAX_EXPR>: Likewise.
21851 * stor-layout.c (place_field): Use DECL_SIZE consistently
21852 in the computation of the new record size.
21854 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21856 * cse.c (cse_condition_code_reg): Make it static.
21857 * rtl.h: Remove the prototype for cse_condition_code_reg.
21859 * combine.c (combine_instructions): Make it static.
21860 * rtl.h: Remove the prototype for combine_instructions.
21862 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21865 * tree.c (get_file_function_name_long): Concatenate the first global
21866 object name with a string derived from the input filename of the object
21869 2006-01-16 Ben Elliston <bje@au.ibm.com>
21871 * config/i386/winnt-stubs.c: Update FSF address.
21872 * config/xtensa/ieee754-df.S: Ditto.
21873 * config/xtensa/ieee754-sf.S: Ditto.
21875 2006-01-14 Ian Lance Taylor <ian@airs.com>
21877 * ifcvt.c (noce_init_if_info): New static function, broken out of
21878 noce_process_if_block.
21879 (noce_process_if_block): Call noce_init_if_info.
21880 (check_cond_move_block): New static function.
21881 (cond_move_process_if_block): New static function.
21882 (process_if_block): Call cond_move_process_if_block.
21884 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
21886 * cselib.c (hash_table): Rename to cselib_hash_table.
21887 (cselib_clear_table, discard_useless_values,
21888 remove_useless_values, cselib_lookup_mem, cselib_lookup,
21889 cselib_init, cselib_finish): Adjust uses of hash_table.
21891 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
21893 PR tree-optimization/25485
21894 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
21895 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
21896 is known to be false and true, respectively.
21898 2006-01-14 Richard Guenther <rguenther@suse.de>
21900 PR tree-optimization/22548
21901 PR tree-optimization/22555
21902 PR tree-optimization/22501
21903 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
21904 * params.def (salias-max-array-elements): New parameter.
21905 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
21906 * doc/invoke.texi (salias-max-array-elements): Document.
21907 * tree-flow-inline.h (var_can_have_subvars): We also handle
21909 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
21911 * tree-ssa-structalias.c (params.h): Include.
21912 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
21913 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
21914 (get_constraint_for): For ADDR_EXPR operating on something
21915 containing an ARRAY_REF, add all subvars to the solution.
21916 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
21917 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
21918 for creating MUST_DEFs.
21919 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
21921 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
21923 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
21925 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
21926 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
21927 number_of_iterations_le): New functions.
21928 (number_of_iterations_special): Removed.
21929 (number_of_iterations_exit): Do not use number_of_iterations_special.
21930 * tree.c (unsigned_type_for): Always return integer type.
21932 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
21933 Richard Guenther <rguenther@suse.de>
21935 PR rtl-optimization/24257
21936 * gcse.c (find_moveable_store): Only consider a store movable
21937 when the SET_SRC of the insn can be assigned to a register.
21939 2006-01-14 Ian Lance Taylor <ian@airs.com>
21941 * tree.c (tree_not_class_check_failed): New function.
21942 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
21943 (tree_not_class_check_failed): Declare.
21945 2006-01-13 Ian Lance Taylor <ian@airs.com>
21947 * reload1.c (do_output_reload): Add assertion rejecting a
21950 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
21952 * combine.c (struct reg_stat): Add new fields truncation_label and
21954 (record_value_for_reg): Reset truncated_to_mode.
21955 (record_truncated_value): New function.
21956 (check_promoted_subreg): Call it. Rename to check_conversions.
21957 (combine_instructions): Rename check_promoted_subreg to
21959 (reg_truncated_to_mode): New function.
21960 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
21961 (gen_lowpart_or_truncate): New function.
21962 (force_to_mode): Use it instead of gen_lowpart.
21964 2006-01-13 Diego Novillo <dnovillo@redhat.com>
21966 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
21967 VAR is a tag, not its type tag.
21969 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
21971 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
21972 alternatives to match style of other entries.
21973 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
21975 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
21977 PR tree-optimization/25771
21978 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
21981 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
21984 * tree-inline.c (declare_return_variable): If the return variable
21985 was marked as a non gimple complex, set the return slot variable
21986 to be a non gimple comple variable.
21988 2006-01-13 Richard Guenther <rguenther@suse.de>
21990 * builtins.c (expand_builtin_sincos): New function.
21991 (expand_builtin_mathfn_3): Remove dead code, sin and cos
21993 (expand_builtin): Expand sincos using expand_builtin_sincos.
21995 2006-01-12 DJ Delorie <dj@redhat.com>
21997 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
21998 shift counts, separate SI shifts for m32c vs m16c, pass shift type
21999 so that constant shifts can be split.
22000 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
22001 (m32c_valid_pointer_mode): Make static.
22002 (shift_gen_func_for): New.
22003 (m32c_prepare_shift): Use it. Split large const shifts into
22005 * config/m32c/predicates.md (shiftcount_operand): Allow more
22007 (longshiftcount_operand): New.
22008 * doc/md.texi (Machine Constraints): Document In6.
22010 2006-01-13 Ben Elliston <bje@au.ibm.com>
22012 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
22013 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
22016 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
22018 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
22019 to try to avoid clobbering pieces of structures when we know
22020 something about the whole structure.
22021 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
22023 2006-01-13 Ben Elliston <bje@au.ibm.com>
22025 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
22026 return in memory, as this is no limitation is no longer present.
22028 2006-01-12 DJ Delorie <dj@redhat.com>
22030 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
22031 mova with fb, and for fb+0 -> An.
22033 * config/m32c/mov.md (peephole2): Fix enabling logic.
22035 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
22036 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
22037 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
22038 FINI_ARRAY_SECTION_ASM_OP): Define.
22040 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
22042 (m32c_legitimize_reload_address): New logic to reload FB to An.
22043 (m32c_output_reg_push): Add newline.
22044 (m32c_output_reg_pop): Likewise.
22046 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
22048 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
22050 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
22052 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
22054 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22056 * config/sh/predicates.md (sh_rep_vec): Add parallel to
22059 2006-01-11 Ben Elliston <bje@au.ibm.com>
22061 * rtlanal.c (find_reg_note): Assert insn is not null.
22063 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
22065 * df-scan.c (df_hard_reg_init): Move declaration of i outside
22068 2006-01-11 Jeff Law <law@redhat.com>
22070 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
22072 (mark_threaded_blocks, register_jump_thread): New functions.
22073 (thread_through_all_blocks): Remove unwanted argument. No
22074 longer rely on e->aux to communicate thread target info.
22075 Call mark_threaded_blocks. Release the threaded_blocks
22076 bitmap and threaded_edges vector when complete.
22077 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
22078 (threaded_blocks): Remove.
22079 (tree_ssa_dominator_optimize): Remove initialization and
22080 finalization of threaded_blocks. Simplify call to
22081 thread_through_all_blocks.
22082 (thread_across_edge): Call register_jump_thread rather than
22083 storing thread information into e->aux.
22084 (free_all_edge_infos): Simplify now that e->aux is no longer
22085 used to communicate with thread_through_all_blocks.
22086 * tree-flow.h (thread_through_all_blocks): Update prototype.
22087 (register_jump_thread): Prototype.
22089 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22091 * df-core.c (df_compact_blocks, df_bb_replace): Use
22092 SET_BASIC_BLOCK instead of BASIC_BLOCK.
22094 2006-01-11 Richard Guenther <rguenther@suse.de>
22096 PR tree-optimization/25734
22097 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
22098 stop propagation after successful propagation to the LHS.
22100 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22102 * basic-block.h (control_flow_graph): Change the type of
22103 x_basic_block_info to VEC(basic_block,gc) *.
22104 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
22106 (SET_BASIC_BLOCK): New.
22107 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
22108 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
22109 * cfgbuild.c (find_basic_blocks): Likewise.
22110 * cfglayout.c (fixup_reorder_chain): Likewise.
22111 * cfgrtl.c (create_basic_block_structure,
22112 rtl_create_basic_block): Likewise.
22113 * ifcvt.c (find_if_case_1): Likewise.
22114 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
22117 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
22119 * Makefile.in: Removed rotted odf.c entry.
22121 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
22124 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
22125 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
22126 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
22127 output pattern modifier, not %e.
22128 * config/cris/cris.c (cris_op_str): Update comment about pattern
22130 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
22131 before falling through into...
22132 <case 'E'>: Redefined from old 'e' case.
22134 2006-01-11 Jan Hubicka <jh@suse.cz>
22137 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
22139 2006-01-11 Jan Hubicka <jh@suse.cz>
22141 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
22142 * i386.c (x86_decompose_lea): Kill.
22143 (ix86_rtx_costs): Kill.
22145 2006-01-11 Jan Hubicka <jh@suse.cz>
22147 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
22148 * cgraph.h (cgraph_node): Add inline_decl.
22149 (cgraph_insert_node_to_hashtable): Declare.
22150 (save_inline_function_body): Declare.
22151 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
22153 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
22154 (cgraph_function_versioning): Update call of tree_function_versioning.
22155 (save_inline_function_body): New function.
22156 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
22157 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
22158 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
22159 (cgraph_default_inline_p): Likewise.
22160 (cgraph_decide_inlining_incrementally): Likewise.
22161 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
22162 (copy_bb): Kill saving; do updating of clones.
22163 (copy_cfg_body): Kill saving.
22164 (initialize_inlined-parameters): Likewise.
22165 (expand_call_inline): Likewise.
22167 (tree_function_versioning): New parameter "update_clones".
22168 (inlining_p): Kill saving.
22169 * tree-inline.h (tree_function_versioning): Update prototype.
22170 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
22173 2006-01-11 Ian Lance Taylor <ian@airs.com>
22175 * combine.c (struct undo): Remove is_int. Enumify types of undos.
22176 Allow undoing set of machine mode.
22177 (do_SUBST): Use enums instead of is_int.
22178 (do_SUBST_MODE): New function.
22179 (SUBST_MODE): New macro.
22180 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
22181 reg and trying to replace reg_regno_rtx with a new register.
22182 (undo_all): Use new enums, handle undoing a PUT_MODE change.
22183 (simplify_set): Use SUBST_MODE.
22184 (distribute_notes): Remove code that tried to update reg notes
22185 for regno_reg_rtx changes.
22187 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
22189 PR tree-optimization/23109
22190 PR tree-optimization/23948
22191 PR tree-optimization/24123
22193 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
22194 * tree-cfg.c (single_noncomplex_succ): New.
22195 * tree-flow.h (single_noncomplex_succ): Declare it.
22196 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
22197 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
22198 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
22199 insert_bb, register_division_in, insert_reciprocals,
22200 replace_reciprocal, free_bb): New.
22201 (execute_cse_reciprocals_1): Rewritten.
22202 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
22203 Do not commit any edge insertion. Always compute dominators and
22204 create the allocation pool.
22205 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
22206 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
22207 * targhooks.c (default_min_divistions_for_recip_mul): New.
22208 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
22209 * passes.c (init_optimization_passes): Run recip after tree loop
22211 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
22213 2006-01-11 Danny Berlin <dberlin@dberlin.org>
22214 Kenneth Zadeck <zadeck@naturalbridge.com>
22216 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
22217 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
22218 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
22219 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
22220 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
22221 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
22222 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
22223 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
22224 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
22225 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
22226 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
22227 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
22228 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
22229 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
22230 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
22231 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
22232 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
22233 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
22234 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
22235 DF_SCAN_POST_ALLOC): New macros.
22236 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
22237 df_free_bb_function, df_local_compute_function, df_init_function,
22238 df_dataflow_function, df_confluence_function_0,
22239 df_confluence_function_n, df_transfer_function,
22240 df_finalizer_function, df_free_function, df_dump_problem_function,
22241 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
22242 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
22243 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
22244 df_urec_bb_info, ) New types.
22245 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
22247 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
22248 df_analyze_simple_change_some_blocks,
22249 df_analyze_simple_change_one_block, df_compact_blocks,
22250 df_bb_replace, df_bb_regno_last_use_find,
22251 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
22252 df_insn_regno_def_p, df_find_def, df_find_use,
22253 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
22254 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
22255 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
22256 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
22257 debug_df_chain, df_get_dependent_problem, df_chain_create,
22258 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
22259 df_grow_bb_info, df_chain_dump, df_print_bb_index,
22260 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
22261 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
22262 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
22263 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
22264 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
22265 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
22266 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
22267 df_ref_remove, df_insn_refs_delete, df_refs_delete,
22268 df_reorganize_refs, df_set_state, df_hard_reg_init,
22269 df_read_modify_subreg_p) New public functions.
22270 * df-core.c: The core dataflow solver and glue routines for rtl
22272 (df_init, df_add_problem, df_set_blocks, df_finish,
22273 df_hybrid_search_forward, df_hybrid_search_backward,
22274 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
22275 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
22276 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
22277 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
22278 df_reg_defined, df_find_use, df_reg_used, df_dump,
22279 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
22280 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
22281 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
22282 debug_df_useno, reset_df_after_reload): New functions.
22283 * df-scan.c: The scanning fuctions, once in df.c, completely
22284 rewritten so that they now fully model the functionality of
22285 register usage at the backend.
22286 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
22287 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
22288 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
22289 df_grow_insn_info, df_rescan_blocks, df_ref_create,
22290 df_get_artificial_defs, df_get_artificial_uses,
22291 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
22292 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
22293 df_refs_delete, df_reorganize_refs, df_set_state,
22294 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
22295 df_def_record_1, df_defs_record, df_uses_record,
22296 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
22297 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
22298 df_record_exit_block_uses, df_hard_reg_init): New functions.
22300 * df-problems.c: Seven concrete dataflow problems that use the
22301 scanning in df-scan.c and are solved by the engine in df-core.c.
22302 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
22303 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
22304 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
22305 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
22306 df_ru_free_bb_info, df_ru_alloc,
22307 df_ru_bb_local_compute_process_def,
22308 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
22309 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
22310 df_ru_transfer_function, df_ru_free, df_ru_dump,
22311 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
22312 df_rd_free_bb_info, df_rd_alloc,
22313 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
22314 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
22315 df_rd_transfer_function, df_rd_free, df_rd_dump,
22316 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
22317 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
22318 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
22319 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
22320 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
22321 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
22322 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
22323 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
22324 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
22325 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
22326 df_urec_mark_reg_change, df_urec_check_earlyclobber,
22327 df_urec_mark_reg_use_for_earlyclobber,
22328 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
22329 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
22330 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
22331 df_urec_dump, df_urec_add_problem, df_chain_alloc,
22332 df_chain_create_bb_process_use, df_chain_create_bb,
22333 df_chain_finalize, df_chain_free, df_chains_dump,
22334 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
22335 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
22336 df_reg_lifetime): New functions.
22337 * df.c: Deleted file.
22338 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
22339 consistent with new df api.
22340 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
22341 rest_of_handle_sms): Ditto.
22342 * web.c (unionfind_union, union_defs, entry_register, web_main):
22344 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
22345 invariant_expr_equal_p, find_defs, check_dependencies,
22346 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
22347 free_inv_motion_data, move_loop_invariants): Ditto.
22348 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
22349 Update dependencies.
22350 (odf.c): Added defective entry that was deleted later in day.
22351 * sched-deps.c (sched_analyze_1): Ditto.
22353 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
22355 * tree-ssa-operands.c (get_expr_operands): Record addressable
22356 variables directly. Do not call add_stmt_operands for CONST_DECLs
22358 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
22359 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
22361 2006-01-11 Ben Elliston <bje@au.ibm.com>
22363 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
22364 function returns true in the positive case.
22366 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22369 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
22370 for SI, DI, SF and DF modes. Add alternatives to copy between
22371 general and floating point registers to the 32-bit patterns.
22372 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
22373 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
22374 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
22375 generating 64-bit code.
22376 * config/pa/pa.c (output_move_double): Handle copies between general
22377 and floating registers.
22379 2006-01-10 Stuart Hastings <stuart@apple.com>
22381 * config/i386/i386.md (set_got): Update.
22382 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
22383 (builtin_setjmp_receiver): Mach-O support.
22384 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
22385 (GOT_SYMBOL_NAME): Define.
22386 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
22387 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
22388 * config/i386/i386.c (override_options): Revise for Darwin.
22389 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
22390 support. (darwin_x86_file_end): New. (output_set_got): Add label
22391 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
22392 * config/i386/i386-protos.h (output_set_got): Likewise.
22393 * config/darwin.c (machopic_legitimize_pic_address): Update
22396 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
22398 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
22399 when MODE isn't BLKmode.
22401 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
22403 PR rtl-optimization/25367
22404 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
22406 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
22409 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
22410 for a negative bound.
22412 2006-01-10 Richard Guenther <rguenther@suse.de>
22414 * tree-ssa-structalias.c (get_constraint_for_component_ref):
22415 Never override with anything constraint.
22417 2006-01-10 Jan Beulich <jbeulich@novell.com>
22419 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
22420 256 bits when optimize_size.
22422 2006-01-10 Jan Beulich <jbeulich@novell.com>
22424 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
22426 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
22427 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
22430 2006-01-10 Ben Elliston <bje@au.ibm.com>
22432 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
22434 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
22435 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
22436 (USE_FP_FOR_ARG): Reject decimal float modes.
22437 (function_arg_advance): Likewise.
22438 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
22439 (rs6000_handle_altivec_attribute): Do not permit decimal floating
22440 point types in AltiVec vectors.
22441 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
22442 (rs6000_libcall_value): Likewise.
22444 2006-01-09 Bob Wilson <bob.wilson@acm.org>
22446 * config/xtensa/ieee754-df.S: New file.
22447 * config/xtensa/ieee754-sf.S: New file.
22448 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
22449 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
22450 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
22452 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
22454 * config/sh/predicates.md (binary_float_operator,
22455 binary_logical_operator, commutative_float_operator,
22456 equality_comparison_operator, greater_comparison_operator,
22457 less_comparison_operator, logical_operator,
22458 noncommutative_float_operator, shift_operator,
22459 symbol_ref_operand, unary_float_operator): Remove redundant
22462 2006-01-09 Jeff Law <law@redhat.com>
22464 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
22465 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
22466 now unused arguments. Callers updated.
22467 (eliminate_redundant_computations): Remove now unused arguments,
22469 (local_fold): Remove, no longer used.
22470 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
22472 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
22473 (simplify_cond): New function.
22474 (forward_propagate_into_cond): Call simplify_cond.
22476 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
22478 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
22479 (*vec_extractv2di_1_sse): New.
22481 2006-01-09 Ben Elliston <bje@au.ibm.com>
22483 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
22485 2006-01-08 Richard Guenther <rguenther@suse.de>
22487 * tree-ssa-structalias.c (get_constraint_for): Remove
22488 anyoffset argument.
22489 (get_constraint_for_component_ref): Likewise.
22490 (do_deref): Likewise.
22491 (get_constraint_for): Likewise.
22492 (do_structure_copy): Likewise.
22493 (handle_ptr_arith): Likewise.
22494 (find_func_aliases): Likewise. Remove unused need_anyoffset
22497 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
22498 Kaz Kojima <kkojima@gcc.gnu.org>
22500 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
22501 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
22502 (EXTRA_CONSTRAINT_C16): Remove.
22503 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
22504 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
22505 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
22506 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
22507 constants of SHmedia. Handle nested constant expressions of
22509 (andcosts): Fix the costs for SHmedia constants.
22510 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
22511 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
22512 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
22513 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
22514 (movv4hi_i, movv2si_i): Likewise.
22515 (movsi_const): Adjust the second operand of ior so to match with
22516 the Csu constraint.
22517 (movdi_const, movdi_const_32bit): Likewise.
22518 (movdi_const_16bit+1): Don't sign-extend LOW.
22519 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
22521 (*double_shori): Fix the split condition. Use GEN_INT instead
22522 of get_int_mode calls. Mask lower 16-bit of the argument of
22524 (sym2GOTPLT): Remove.
22525 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
22527 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
22528 instead of EXTRA_CONSTRAINT_C16.
22530 2006-01-07 Ian Lance Taylor <ian@airs.com>
22531 David Edelsohn <edelsohn@gnu.org>
22533 PR rtl-optimization/25662
22534 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
22535 for constant operands instead of simplify_gen_binary.
22536 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
22537 after trying simplify_binary_operation
22539 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
22541 * tree.c (iterative_hash_expr): Hash decls based on UID.
22543 2006-01-06 Eric Christopher <echristo@apple.com>
22545 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
22546 (TARGET_UNWIND_EMIT): Fix spelling.
22547 * target.h (gcc_target): Add except_table_label.
22548 * except.c (output_function_exception_table): Use.
22549 * varasm.c (default_emit_except_table_label): New.
22550 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
22552 (asm_out): Add here.
22553 * output.h (default_emit_except_table_label): Prototype.
22554 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
22555 * config/darwin.c (darwin_emit_except_table_label): Define.
22556 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
22558 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
22560 PR tree-optimization/18527
22561 * tree-ssa-loop-niter.c (number_of_iterations_cond,
22562 number_of_iterations_special, number_of_iterations_exit):
22563 Move base and step of an iv to a single structure. Add
22564 no_overflow flag, and use it in # of iterations analysis.
22565 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
22566 folded_casts argument.
22567 (simple_iv): Pass base and step in a structure. Set no_overflow
22569 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
22570 Evaluate expensiveness of computing # of iterations instead of
22571 the final expression.
22572 * tree-scalar-evolution.h (affine_iv): New structure.
22573 (simple_iv): Declaration changed.
22574 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
22575 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
22576 find_givs_in_stmt): Changed due to simple_iv change.
22578 2006-01-06 Jeff Law <law@redhat.com>
22581 * tree-cfg.c (bsi_replace): Rename final argument from
22582 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
22583 change (stmt -> orig_stmt).
22584 * tree-eh.c (verify_eh_throw_stmt_node): New function.
22585 (bsi_remove): Add new argument. Remove EH information
22587 (verify_eh_throw_table_statements): New function.
22588 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
22590 * tree-optimize.c (execute_free_cfg_annotations): Verify
22591 the EH throw statement table after removing annotations.
22592 * except.h (verify_eh_throw_table_statements): Prototype.
22593 * tree-flow.h (bsi_remove): Update prototype.
22594 * tree-vrp.c (remove_range_assertions): Add new argument to
22596 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
22597 * tree-complex.c (expand_complex_div_wide): Likewise.
22598 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
22599 * tree-tailcall.c (eliminate_tailcall): Likewise.
22600 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
22601 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
22602 * tree-nrv.c (tree_nrv): Likewise.
22603 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
22604 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
22605 (combine_blocks): Likewise.
22606 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
22607 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
22608 (cleanup_control_flow): Likewise.
22609 (remove_forwarder_block): Likewise.
22610 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
22611 * tree-sra.c (sra_replace): Likewise.
22612 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
22613 (forward_propagate_single_use_vars): Likewise.
22614 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
22615 * tree-inline.c (expand_call_inline): Likewise.
22616 * tree-vect-transform.c (vect_transform_loop): Likewise.
22617 * tree-outof-ssa.c (rewrite_trees): Likewise.
22618 * tree-cfg.c (make_goto_expr_edges): Likewise.
22619 (cleanup_dead_labels): Likewise.
22620 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
22621 (bsi_move_before, bsi_move_after): Likewise.
22622 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
22623 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
22625 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
22628 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
22630 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
22631 on non gimple variables. Also add checks at the top for decls and
22633 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
22635 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
22636 and IMAGPART_EXPR for creating MUST_DEFs.
22637 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
22638 and NAME_MEMORY_TAG separately from the DECLs.
22640 2006-01-06 Richard Guenther <rguenther@suse.de>
22642 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
22643 annotation, if necessary.
22644 * tree-ssa-pre.c (create_expression_by_pieces): Remove
22645 redundant calls to update_stmt.
22646 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
22649 2006-01-05 Richard Henderson <rth@redhat.com>
22651 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
22653 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
22655 * c-typeck.c: Update copyright date.
22657 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
22659 * c-typeck.c (build_c_cast): Always warn when casting
22660 from a pointer to an integer of different size, even if
22661 the node was constant.
22663 2006-01-05 Richard Guenther <rguenther@suse.de>
22665 PR tree-optimization/22555
22666 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
22667 if one structure field is an array.
22668 * tree-ssa-operands.c (get_expr_operands): Continue scanning
22669 operands even if we found a subvar, but ignore VOPs in this
22671 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
22673 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
22675 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
22677 PR middle-end/24998
22678 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
22680 2006-01-05 Richard Guenther <rguenther@suse.de>
22681 Diego Novillo <dnovillo@redhat.com>
22683 * tree-pass.h (TODO_remove_unused_locals): Define.
22684 * gimple-low.c (expand_var_p, remove_useless_vars,
22685 pass_remove_useless_vars): Remove. Update all users.
22686 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
22687 (remove_unused_locals): New function.
22688 * tree-flow.h (remove_unused_locals): Declare.
22689 * passes.c (execute_todo): Call remove_unused_locals if
22690 TODO_remove_unused_locals is set.
22691 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
22692 * tree-ssa-dce.c (pass_dce): Likewise.
22693 * tree-outof-ssa.c (pass_del_ssa): Likewise.
22695 2006-01-05 Richard Guenther <rguenther@suse.de>
22697 * tree-flow.h (struct fieldoff): Decompose field to
22698 type, size and decl.
22699 * tree-ssa-alias.c (create_sft): Take type as parameter.
22700 (create_overlap_variables_for): Store type, size and decl
22701 in the fieldoff structure.
22702 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
22703 of struct fieldoff.
22704 (push_fields_onto_fieldstack): Likewise.
22705 (create_variable_info_for): Likewise. Use offset for the
22706 SFT name if the decl is not available.
22708 2006-01-04 Paul Brook <paul@codesourcery.com>
22710 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
22712 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
22714 * lambda-code.c (can_put_in_inner_loop): Relax
22716 (can_put_after_inner_loop): New function.
22717 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
22718 (perfect_nestify): Change to make copies and modify uses.
22720 2006-01-04 Richard Henderson <rth@redhat.com>
22722 Merge from gomp branch:
22723 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
22724 via integer constant.
22725 (pragma_lex): Remove.
22726 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
22727 rather than parsing it.
22728 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
22729 handle_pragma_extern_prefix): Add %< %> quotes.
22730 (registered_pragmas): New.
22731 (c_register_pragma_1): New.
22732 (c_register_pragma): Use it.
22733 (c_register_pragma_with_expansion): Likewise.
22734 (c_invoke_pragma_handler): New.
22735 (init_pragma): Use cpp_register_deferred_pragma directly for
22737 * c-pragma.h (enum pragma_kind): New.
22738 (pragma_handler): New.
22739 (c_invoke_pragma_handler): Declare.
22740 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
22742 * c-common.h (c_common_pch_pragma): Update decl.
22743 * Makefile.in (c-parser.o): Update dependencies.
22744 (GTFILES): Add c-pragma.h.
22745 * c-parser.c (struct c_token): Add pragma_kind.
22746 (struct c_parser): Add in_pragma.
22747 (c_lex_one_token): Always initialize keyword and pragma_kind.
22748 Extract data for CPP_PRAGMA.
22749 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
22750 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
22751 Don't allow CPP_PRAGMA_EOL if in_pragma.
22752 (c_parser_consume_pragma): New.
22753 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
22754 (c_parser_skip_to_end_of_parameter): Likewise.
22755 (c_parser_skip_to_end_of_block_or_statement): Likewise.
22756 (c_parser_skip_to_pragma_eol): New.
22757 (c_parser_external_declaration): Handle CPP_PRAGMA.
22758 (c_parser_compound_statement_nostart): Likewise.
22759 (c_parser_statement_after_labels): Likewise.
22760 (c_parser_pragma): New.
22761 (pragma_lex): Likewise.
22762 (c_parser_pragma_pch_preprocess): New.
22763 (c_parser_new): Merge into ...
22764 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
22766 2006-01-04 Jeff Law <law@redhat.com>
22769 * tree-cfg.c (bsi_replace): Remove the original statement
22770 from the EH throw statement table.
22772 2006-01-04 Jakub Jelinek <jakub@redhat.com>
22774 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
22775 make the prototype extern "C" and add throw ().
22778 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
22779 and pos non-negative and pos + len <= 32.
22780 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
22781 drop pos + len < HOST_BITS_PER_WIDE_INT test.
22782 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
22785 * c-common.c (handle_vector_size_attribute): Reject zero vector size
22786 as well as sizes not multiple of component size.
22789 * function.c (instantiate_expr): New function.
22790 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
22791 walk its DECL_VALUE_EXPR with instantiate_expr.
22793 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
22794 DW_OP_deref{,_size} if address isn't going to be added.
22796 2006-01-04 Ben Elliston <bje@au.ibm.com>
22798 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
22799 * config/fp-bit.c: Likewise.
22801 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
22803 * dominance.c: Add comment about why we use DFS numbering
22806 2006-01-03 Jakub Jelinek <jakub@redhat.com>
22807 Richard Henderson <rth@redhat.com>
22809 Merge from gomp-branch:
22810 * varasm.c (assemble_variable): Handle thread-local COMMON data.
22811 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
22813 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
22815 PR rtl-optimization/25578
22816 * combine.c (combine_simplify_rtx, force_to_mode): Don't
22817 pass a parameter to simplify_shift_const if changing ASHIFTRT
22820 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
22822 * builtins.c (get_builtin_sync_mem): New function.
22823 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
22824 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
22825 Call get_builtin_sync_mem to generate mem rtx.
22827 2006-01-03 Richard Guenther <rguenther@suse.de>
22830 * stmt.c (add_case_node): Make sure to clear overflow flags
22833 2006-01-03 Jakub Jelinek <jakub@redhat.com>
22835 Merge from gomp-branch.
22836 * config/sparc/sync.md: New file.
22837 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
22838 UNSPECV_LDSTUB): New constants.
22839 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
22840 * config/sparc/predicates.md (memory_reg_operand): New predicate.
22841 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
22844 2006-01-03 Roger Sayle <roger@eyesopen.com>
22846 * combine.c (reg_subword_p): New predicate to test whether the
22847 destination of a set refers to a subword/piece of a register.
22848 (try_combine): Generalize the code to merge the setting of a
22849 pseudo to a constant followed by a set of a subword of that
22850 register to a constant.
22852 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
22854 * basic-block.h (control_flow_graph): Change the type of
22855 x_label_to_block_map to VEC(basic_block,gc) *.
22856 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
22857 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
22859 * tree-ssa-propagate.c (cfg_blocks): Change the type to
22860 VEC(basic_block,heap) *.
22861 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
22862 ssa_prop_fini): Adjust the uses of cfg_blocks.
22864 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
22866 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
22868 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
22869 hashing trees instead of a pointer hash.
22870 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
22871 compare for MEM_EXPR.
22873 PR rtl-optimization/25130
22874 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
22875 when comparing MEMs for GCSE
22877 2006-01-03 Ben Elliston <bje@au.ibm.com>
22879 * targhooks.h (default_decimal_float_supported_p): Declare.
22880 * targhooks.c (default_decimal_float_supported_p): Define.
22881 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
22882 `default_decimal_float_supported_p'.
22883 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
22885 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
22887 * combine.c (apply_distributive_law <SUBREG>): Check
22888 TRULY_NOOP_TRUNCATION.
22890 2006-01-02 Geoffrey Keating <geoffk@apple.com>
22892 * dwarf2out.c (have_switched_text_section): Delete.
22893 (have_multiple_function_sections): New.
22894 (have_location_lists): Make 'bool'.
22895 (add_AT_loc_list): Use 'true' not '1'.
22896 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
22897 (output_loc_list): Use have_multiple_function_sections.
22898 (output_ranges): Likewise.
22899 (dwarf2out_begin_function): Set have_multiple_function_sections if
22901 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
22902 Check function_section rather than DECL_SECTION_NAME.
22903 (dwarf2out_finish): Use have_multiple_function_sections.
22904 Don't clear have_location_lists.
22906 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
22907 Jan Hubicka <jh@suse.cz>
22909 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
22910 case of conditional jump jumping to the next instruction.
22911 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
22912 cases of conditional jump jumping to the next instruction.
22914 2006-01-02 Jan Hubicka <jh@suse.cz>
22916 * i386.c (*_cost): Add COSTS_N_INSNS.
22917 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
22919 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
22922 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
22924 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
22926 * config/arm/arm.c (all_fpus): Fix comment typo.
22927 * config/darwin.c: Likewise.
22928 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
22929 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
22930 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
22932 2006-01-01 David Edelsohn <edelsohn@gnu.org>
22934 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
22935 (rs6000_split_compare_and_swapqhi): New.
22936 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
22937 (sync_compare_and_swapqhi_internal): New.
22938 * config/rs6000/rs6000-protos.h: Declare.