1 2006-12-14 Dorit Nuzman <dorit@il.ibm.com>
2 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
4 * spu.c (TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD): Defined.
5 (spu_init_builtins): Mark the SPU_MASK_FOR_LOAD builtin decl as read
7 (spu_expand_builtin_1): Handle the SPU_MASK_FOR_LOAD builtin.
8 (spu_builtin_mask_for_load): New.
9 * spu-builtins.def (SPU_MASK_FOR_LOAD): Define new builtin.
10 * spu.md (UNSPEC_SPU_REALIGN_LOAD, UNSPEC_SPU_MASK_FOR_LOAD):New.
11 (vec_realign_load_<mode>, spu_lvsr): New.
13 2006-12-13 Ian Lance Taylor <iant@google.com>
17 * c-typeck.c (parser_build_binary_op): Move parentheses warnings
18 to warn_about_parentheses in c-common.c.
19 * c-common.c (warn_about_parentheses): New function.
20 * c-common.h (warn_about_parentheses): Declare.
21 * doc/invoke.texi (Warning Options): Update -Wparentheses
24 2006-12-13 Zdenek Dvorak <dvorakz@suse.cz>
26 * tree-ssa-loop-ivopts.c: Include tree-affine.h.
28 (constant_multiple_of): Fix order of operators for division.
29 (aff_combination_const, aff_combination_elt, aff_combination_scale,
30 aff_combination_add_elt, aff_combination_add, aff_combination_convert,
31 tree_to_aff_combination, add_elt_to_tree, unshare_aff_combination,
32 aff_combination_to_tree): Moved to tree-affine.c and made to work with
33 double_int coefficients.
34 (get_computation_aff, get_computation_at): Work with double_int
36 (get_computation_cost_at): Do not use divide.
37 (rewrite_use_nonlinear_expr, rewrite_use_address, rewrite_use_compare):
38 Assert that expressing the computation did not fail.
39 * tree-ssa-address.c: Include tree-affine.h.
40 (add_to_parts, most_expensive_mult_to_index, addr_to_parts,
41 create_mem_ref): Work with double_int coefficients.
42 * tree-affine.c: New file.
43 * tree-affine.h: New file.
44 * tree-flow.h (struct affine_tree_combination): Removed.
45 * Makefile.in (tree-affine.o): Add.
46 (tree-ssa-address.o, tree-ssa-loop-ivopts.o): Add tree-affine.h
49 2006-12-13 Peter Bergner <bergner@vnet.ibm.com>
53 * reload1.c (eliminate_regs_in_insn): Merge the plus_src "else" and
54 the offset == 0 "then" clauses.
55 * config/rs6000/predicates.md (gpc_reg_operand): Check for
58 2006-12-13 Uros Bizjak <ubizjak@gmail.com>
60 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 53.
61 (FIXED_REGISTERS, CALL_USED_REGISTERS): Remove dir register.
62 (REG_ALLOC_ORDER): Remove one element due to removal of dir register.
63 (FRAME_POINTER_REGNUM): Update register number to 20.
64 (REG_CLASS_CONTENTS): Update contents due to removed dir register.
65 (HI_REGISTER_NAMES): Remove "dirflag".
67 * config/i386/i386.c (regclass_map): Remove dirflag entry.
68 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
70 (ix86_md_asm_clobbers): Remove "dirflag" default asm clobber.
72 * config/i386/i386.md (R10_REG, R11_REG): Renumber.
73 (sse_prologue_save, *sse_prologue_save_insn): Renumber
74 hardcoded SSE register numbers.
76 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
77 hardcoded MMX register numbers.
80 2006-12-13 Mark Shinwell <shinwell@codesourcery.com>
82 * config/arm/arm.c (arm_output_fldmx): Output FLDMD instead of
83 FLDMX. Rename function to...
84 (vfp_output_fldmd): ...this.
85 (vfp_output_fstmx): Output FSTMD instead of FSTMX. Rename
87 (vfp_output_fstmd): ...this.
88 (vfp_emit_fstmx): Don't leave space in the frame layout for the
89 FSTMX format word. Rename function to...
90 (vfp_emit_fstmd): ...this.
91 (arm_get_vfp_saved_size): Don't add in space for the FSTMX format
93 (arm_output_epilogue): Adjust comment to reflect use of FSTMD.
94 (arm_unwind_emit_sequence): Don't compensate for the FSTMX format
95 word. Also emit "vsave" assembler directives in such cases rather
97 * config/arm/libunwind.S (gnu_Unwind_Restore_VFP,
98 gnu_Unwind_Save_VFP): Adjust comments.
99 (gnu_Unwind_Restore_VFP_D, gnu_Unwind_Save_VFP_D): New functions
100 for saving and restoring using FSTMD and FLDMD rather than
102 (gnu_Unwind_Restore_VFP_D_16_to_31, gnu_Unwind_Restore_VFP_D_16_to_31):
103 New functions for saving and restoring the VFPv3 registers 16 .. 31.
104 * config/arm/pr-support.c (gnu_unwind_execute): Add conditional
105 compilation case to correctly handle unwind opcode 0xc8 when using
107 * config/arm/unwind-arm.c (struct vfpv3_regs): New.
108 (DEMAND_SAVE_VFP_D, DEMAND_SAVE_VFP_V3): New flags.
109 (__gnu_Unwind_Save_VFP_D, __gnu_Unwind_Restore_VFP_D,
110 __gnu_Unwind_Save_VFP_D_16_to_31, __gnu_Unwind_Restore_VFP_D_16_to_31):
112 (restore_non_core_regs): Restore registers using FLDMD rather than
113 FLDMX if required. Also handle restoration of VFPv3 registers.
114 (_Unwind_VRS_Pop): Handle saving and restoring of registers using
115 FSTMD and FLDMD if required; also handle VFPv3 registers 16 .. 31,
116 including cases where the caller specifies a range of registers
117 that overlaps the d15/d16 boundary.
119 2006-12-13 Diego Novillo <dnovillo@redhat.com>
122 * tree-ssa-operands.h (SSA_OPERAND_MEMORY_SIZE): Add space to
123 accomodate 511 operands.
125 2006-12-13 Richard Guenther <rguenther@suse.de>
127 * builtins.c (expand_builtin_cexpi): Fix typo.
129 2006-12-13 Jan Hubicka <jh@suse.cz>
131 * Makefile.in: Add dependencies.
132 * tree-pretty-print.c: Include value-prof.h
133 (dump_generic_bb_buff): Dump histograms
134 * value-prof.c: Include pointer-set.h
135 (gimple_alloc_histogram_value, histogram_hash, histogram_eq,
136 set_histogram_value, gimple_histogram_value,
137 gimple_add_histogram_value, gimple_remove_histogram_value,
138 gimple_histogram_value_of_type, dump_histogram_value,
139 dump_histograms_for_stmt, gimple_remove_stmt_histograms,
140 gimple_duplicate_stmt_histograms, visit_hist,
141 verify_histograms): New functions.
142 (tree_value_profile_transformations): Update for new histogram API.
143 (tree_divmod_fixed_value): Update for new histogram API.
144 (tree_divmod_fixed_value_transform): Update for new histogram API.
145 (tree_mod_pow2): Update for new histogram API.
146 (tree_mod_pow2_value_transform): Update for new histogram API.
147 (tree_mod_subtract): Update for new histogram API.
148 (tree_mod_subtract_transform): Update for new histogram API.
149 (tree_stringops_transform): Update for new histogram API.
150 (tree_divmod_values_to_profile): Update for new histogram API.
151 (tree_stringops_values_to_profile): Update for new histogram API.
152 (tree_find_values_to_profile): Update for new histogram API.
153 * value-prof.h (gimple_histogram_value): Declare.
154 (gimple_histogram_value_of_type): Declare.
155 (gimple_add_histogram_value): Declare.
156 (gimple_remove_histogram_value): Declare.
157 (dump_histograms_for_stmt): Declare.
158 (gimple_remove_histogram_value): Declare.
159 (gimple_remove_stmt_histograms): Declare.
160 (gimple_duplicate_stmt_histograms): Declare.
161 (verify_histograms): Declare.
163 (struct funrction): Add value_histograms hash.
164 (VALUE_HISTOGRAMS): New macro.
165 * profile.c (compute_value_histograms): update for new API.
166 * tree-inline.c: Include value-prof.h
167 (copy_bb): Update histograms.
168 * tree-flow.h (struct stmt_ann_d): Do not contain pointer to histograms;
169 reorder to get smaller memory layout.
170 * tree-cfg.c: Include value-prof.h
171 (bsi_remove): Update histograms.
172 (bsi_replace): Update histograms.
173 (verify_stmts): Call histogram verifier.
174 (tree_duplicate_bb): Update histograms.
175 (move_block_to_fn): Update histograms.
177 2006-12-13 Richard Guenther <rguenther@suse.de>
179 * ipa-inline.c (cgraph_flatten_node): Replace leafify with
181 (cgraph_decide_inlining): Likewise.
183 2006-12-13 Richard Guenther <rguenther@suse.de>
185 PR tree-optimization/17687
186 * builtins.def (BUILT_IN_CEXPI, BUILT_IN_CEXPIF, BUILT_IN_CEXPIL):
187 New builtins for imaginary argument cexp.
188 * builtin-types.def (BT_FN_COMPLEX_FLOAT_FLOAT,
189 BT_FN_COMPLEX_DOUBLE_DOUBLE, BT_FN_COMPLEX_LONGDOUBLE_LONGDOUBLE):
190 New required builtin types.
191 * builtins.c (expand_builtin_cexpi): Declare.
192 (mathfn_built_in): Handle BUILT_IN_CEXPI.
193 (expand_builtin_cexpi): New static helper.
194 (expand_builtin): Call it.
195 (do_mpfr_sincos): Adjust for CEXPI evaluation.
196 (fold_builtin_sincos): New function to fold sincos to cepxi.
198 2006-12-13 Richard Guenther <rguenther@suse.de>
200 * ipa-reference.c (scan_for_static_refs): Also scan
201 tcc_comparison class trees.
203 2006-12-12 David Daney <ddaney@avtrex.com>
205 * config/mips/mips.h (ASM_OUTPUT_EXTERNAL): Undefine it before
208 2006-12-12 Andrew Pinski <pinskia@gmail.com>
210 * tree-vect-transform.c (vect_permute_load_chain):
211 Set DECL_GIMPLE_REG_P to true for the vect_perm_*
214 2006-12-13 Sa Liu <saliu@de.ibm.com>
215 Ben Elliston <bje@au.ibm.com>
217 * config/spu/spu.h (C_COMMON_OVERRIDE_OPTIONS): Define.
218 (REGISTER_TARGET_PRAGMAS): Don't zero warn_main flag.
219 * config/spu/spu-protos.h (spu_c_common_override_options):
221 * config/spu/spu-c.c (spu_c_common_override_options): New.
222 * config/spu/spu.c (spu_override_options): Whitespace fix.
224 2006-12-12 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
226 * config/spu/spu.c (cpat_info): Fix an incorrectly identified case.
228 2006-12-12 Geoffrey Keating <geoffk@apple.com>
230 * mips-tdump.c: Replace CROSS_COMPILE with
231 CROSS_DIRECTORY_STRUCTURE.
232 * mips-tfile.c: Likewise.
234 * configure.ac: Likewise.
235 * cppdefault.c: Likewise.
236 * Makefile.in: Likewise.
237 * config/alpha/osf.h: Likewise.
238 * config/i386/cygwin.h: Likewise.
239 * config/i386/beos-elf.h: Likewise.
240 * config/i386/nto.h: Likewise.
241 * config/fr30/fr30.h: Likewise.
242 * config/svr4.h: Likewise.
243 * config/rs6000/aix.h: Likewise.
244 * config/rs6000/sysv4.h: Likewise.
245 * config/pa/pa64-hpux.h: Likewise.
246 * config/pa/pa-hpux10.h: Likewise.
247 * config/pa/pa-hpux11.h: Likewise.
248 * collect2.c: Likewise.
249 * configure: Regenerate.
251 * doc/tm.texi (Alignment Output): Document that ASM_OUTPUT_SKIP
252 actually takes an unsigned HOST_WIDE_INT for its second parameter.
254 2006-12-13 Ulrich Weigand <uweigand@de.ibm.com>
256 * config/spu/spu.c (TARGET_ENCODE_SECTION_INFO): Define.
257 (spu_encode_section_info): New.
258 * config/spu/spu.h (ALIGNED_SYMBOL_REF_P): Adjust.
259 (SYMBOL_FLAG_ALIGN1): New.
261 2006-12-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
264 * tree-ssa-dom.c (eliminate_degenerate_phis): Use a temporary
265 bitmap for EXECUTE_IF_SET_IN_BITMAP.
267 2006-12-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
270 * tree.h (DECL_COMPLEX_GIMPLE_REG_P): Rename to ...
271 (DECL_GIMPLE_REG_P): This.
272 * fold-const.c (fold_indirect_ref_1): Fold *(foo *)&vectorfoo into
274 * omp-low.c (omp_copy_decl_2): Use the renamed DECL_GIMPLE_REG_P.
275 * tree-gimple.c (is_gimple_reg): Use the renamed DECL_GIMPLE_REG_P
276 and check for VECTOR_TYPE.
277 * expr.c (get_inner_reference): Set the mode for BIT_FIELD_REF with
279 * tree-flow-inline.h (var_can_have_subvars): Use the renamed
281 * gimplify.c (internal_get_tmp_var): Use the renamed DECL_GIMPLE_REG_P
282 and check for VECTOR_TYPE.
283 (gimplify_bind_expr): Likewise.
284 (gimplify_function_tree): Likewise.
285 * expmed.c: Include target.h.
286 (extract_bit_field): For vector mode, try find a better mode first.
287 If that fails use gen_lowpart (for vectors only).
288 * tree-dfa.c (make_rename_temp): Use the renamed DECL_GIMPLE_REG_P
289 and check for VECTOR_TYPE.
290 * tree-ssa-pre.c (create_expressions_by_pieces): Likewise.
291 (insert_into_preds_of_block): Likewise.
292 (insert_fake_stores): Create gimple register store_tmps for
294 * tree-sra.c (sra_elt): New field, is_vector_lhs.
295 (sra_walk_expr <case BIT_FIELD_REF>): For vector types that
296 are the left hand side, set the element's is_vector_lhs to true.
297 (instantiate_element): For vector types which were on the left
298 hand size, set DECL_GIMPLE_REG_P to false.
299 * tree-nested.c (create_tmp_var_for): Use the renamed DECL_GIMPLE_REG_P. * tree-inline.c (declare_return_variable): Use the renamed
301 and check for VECTOR_TYPE.
302 (copy_decl_to_var): Use the renamed DECL_GIMPLE_REG_P.
303 (copy_result_decl_to_var): Likewise.
304 * tree-vect-transform.c (vect_get_new_vect_var): For vector types,
305 create a gimple register variable.
306 (vect_permute_store_chain): Set DECL_GIMPLE_REG_P to true for the
307 vect_inter_* temp variables.
308 * Makefile.in (expmed.o): Update dependencies.
310 2006-12-12 Peter Bergner <bergner@vnet.ibm.com>
312 * reload1.c (eliminate_regs_in_insn): Merge the plus_src "else" and
313 the offset == 0 "then" clauses.
314 * config/rs6000/predicates.md (gpc_reg_operand): Check for
317 2006-12-12 Marcin Dalecki <martin@dalecki.de>
319 * doc/passes.texi: remove docs about "redundant PHI removal".
320 * tree-pass.h: remove orphaned declaration of pass_redundant_phi,
321 remove redundant pass_partition_blocks declaration.
323 2006-12-12 Andrew Macleod <amacleod@redhat.com>
325 PR tree-optimization/30159
326 * tree-ssa-coalesce.c (coalesce_ssa_name): Process single ssa_name
327 functions in case a default_def coalesce is required.
329 2006-12-12 Jakub Jelinek <jakub@redhat.com>
332 * gthr-posix.h (_REENTRANT): Only define if __osf__ is defined.
334 * config/ia64/linux.h (CPP_SPEC): Define.
335 * config/s390/linux.h (CPP_SPEC): Define.
337 2006-12-12 Jim Wilson <wilson@specifix.com>
338 Jakub Jelinek <jakub@redhat.com>
340 PR rtl-optimization/27761
341 * combine.c (try_combine): Don't create a useless garbage SET
342 if PATTERN (i2) is a PARALLEL. If added_sets_1, save
343 PATTERN (i1) resp. SET from i1src to i1dest in i1pat
344 and use it to prevent accidental modification of i1src.
346 2006-12-12 Ira Rosen <irar@il.ibm.com>
348 * tree-vect-analyze.c (vect_analyze_data_ref_access): Add another check
349 for stores with gaps.
350 * tree-vect-transform.c (vect_permute_store_chain): Create
351 interleave_high or interleave_low according to the endianess.
353 2006-12-12 Richard Guenther <rguenther@suse.de>
356 * fold-const.c (fold_read_from_constant_string): Only fold read
357 from constant string if the result type is integer.
359 2006-12-12 Olivier Hainque <hainque@adacore.com>
361 * config/rs6000/t-vxworks: Remove assignment to LIB2FUNCS_EXTRA.
363 2006-12-12 Olivier Hainque <hainque@adacore.com>
365 * config/vxlib.c: Extract tls related routines into ...
366 * config/vxlib-tls.c: New file.
367 * config/t-vxworks: Add vxlib-tls.c to LIB2FUNCS_EXTRA.
369 2006-12-12 Sa Liu <saliu@de.ibm.com>
370 Ben Elliston <bje@au.ibm.com>
372 * config/spu/spu.opt (mfixed-range): New option.
373 * config/spu/spu.h (spu_fixed_range_string): Declare.
374 * config/spu/spu.c (spu_override_options): Handle -mfixed-range.
375 (fix_range): New function.
376 * doc/invoke.texi (SPU Options): Document -mfixed-range.
377 * testsuite/gcc.target/spu/fixed-range.c: New.
378 * testsuite/gcc.target/spu/fixed-range-bad.c: Ditto.
380 2006-12-11 H.J. Lu <hongjiu.lu@intel.com>
384 * cgraphunit.c (cgraph_optimize): Remove call to
385 process_pending_assemble_externals.
387 * config/elfos.h (ASM_OUTPUT_EXTERNAL): New.
389 * config/ia64/hpux.h (TARGET_ASM_FILE_END): Removed.
391 * config/ia64/ia64.c (ia64_asm_output_external): Rewritten.
392 (ia64_hpux_add_extern_decl): Removed.
393 (ia64_hpux_file_end): Likewise.
394 (extern_func_list): Likewise.
395 (extern_func_head): Likewise.
397 * output.h (assemble_external): Update comments.
398 (default_elf_asm_output_external): New.
399 (maybe_assemble_visibility): New.
401 * toplev.c (compile_file): Update comment.
403 * varasm.c (assemble_external): Always put it on
404 pending_assemble_externals.
405 (maybe_assemble_visibility): Make it extern and return int.
406 (default_elf_asm_output_external): New.
408 2006-12-11 Daniel Berlin <dberlin@dberlin.org>
410 * tree-ssa-structalias.c (handle_ptr_arith): Return false when we
411 can't handle the pointer arithmetic.
413 2006-12-11 Diego Novillo <dnovillo@redhat.com>
415 * doc/tree-ssa.texi: Update documentation for virtual operands
416 and the use of push_stmt_changes/pop_stmt_changes.
417 * doc/invoke.texi: Remove documentation for params
418 global-var-threshold.
419 Update documentation on max-aliased-vops.
421 * tree-into-ssa.c: Cleanup comments, variables and
422 spacing in various functions.
423 (regs_to_rename): Declare.
424 (mem_syms_to_rename): Declare.
425 (dump_update_ssa): Declare.
426 (debug_update_ssa): Declare.
427 (dump_names_replaced_by): Declare.
428 (debug_names_replaced_by): Declare.
429 (dump_def_blocks): Declare.
430 (debug_def_blocks): Declare.
431 (dump_defs_stack): Declare.
432 (debug_defs_stack): Declare.
433 (dump_currdefs): Declare.
434 (debug_currdefs): Declare.
435 (mark_def_sites): Do not handle virtual operands.
436 (compute_idf): Rename from find_idf. Update users.
437 (register_new_def): Make local. Convert second argument
439 Use BLOCK_DEFS_STACK directly.
440 If pushing a non-register, also push the underlying
442 (rewrite_stmt): Do not handle virtual operands.
443 (dump_tree_ssa): Call dump_def_blocks, dump_defs_stack,
444 dump_currdefs and dump_tree_ssa_stats.
445 (dump_tree_ssa_stats): Also dump REPL_TBL.
446 (replace_use): Remove. Update all users to call SET_USE
448 (rewrite_blocks): Move code to free memory to
450 (mark_def_site_blocks): Move initialization code to
452 (init_ssa_renamer): New.
453 (fini_ssa_renamer): New.
454 (rewrite_into_ssa): Call them.
455 (prepare_block_for_update): Process SSA_OP_ALL_USES first
456 and SSA_OP_ALL_DEFS later. Do not process virtual
458 (dump_update_ssa): Call dump_decl_set.
459 (init_update_ssa): Initialize regs_to_rename and
461 Call init_ssa_renamer.
462 (delete_update_ssa): Call fini_ssa_renamer.
463 Free blocks_with_phis_to_rewrite.
464 (mark_sym_for_renaming): If the variable has
465 sub-variables, also mark them.
466 If the variable belongs to a partition, also mark it.
467 (mark_set_for_renaming): Call mark_sym_for_renaming on
468 every symbol in the set.
469 (switch_virtuals_to_full_rewrite): Call
470 mark_set_for_renaming.
471 (update_ssa): Separate syms_to_rename into regs_to_rename
472 and mem_syms_to_rename.
474 * tree-dump.c (dump_options): Add TDF_MEMSYMS.
475 * tree-pretty-print.c (debug_generic_expr): Add TDF_MEMSYMS.
476 (debug_generic_stmt): Likewise.
477 (debug_tree_chain): Likewise.
479 (dump_generic_node): Check for TDF_MEMSYMS.
480 Handle MEMORY_PARTITION_TAG.
481 If the statement references memory and TDF_MEMSYMS is
482 given, call dump_symbols.
483 Indicate default names with (D).
484 (dump_vops): Update for new virtual operator format.
486 * tree.c (init_ttree): Add MEMORY_PARTITION_TAG to
487 tree_contains_struct.
488 (tree_code_size): Handle MEMORY_PARTITION_TAG.
489 (tree_node_structure): Likewise.
490 (needs_to_live_in_memory): Handle SSA names.
491 * tree.h (MTAG_P): Likewise.
492 (struct tree_memory_partition_tag): Declare.
493 (MPT_SYMBOLS): Define.
494 (union tree_node): Add field 'mpt'.
495 * treestruct.def (TS_MEMORY_PARTITION_TAG): Define.
496 * tree.def (MEMORY_PARTITION_TAG): Define.
498 * tree-pass.h (TDF_MEMSYMS): Define.
500 * params.h (GLOBAL_VAR_THRESHOLD): Remove.
502 * tree-ssa-alias.c: Include pointer-set.h
503 (struct alias_map_d): Remove fields total_alias_vops,
504 grouped_p and may_aliases. Update all users.
505 (struct mp_info_def): Declare.
506 (mp_info_t): New type.
507 (get_smt_for): Rename from get_tmt_for. Update all
509 (add_may_alias): Add argument ALREADY_ADDED. If given,
510 use it to avoid adding duplicate entries to alias sets.
511 (replace_may_alias): Remove. Update all users.
512 (total_alias_vops_cmp): Remove. Update all users.
513 (group_aliases_into): Remove. Update all users.
514 (tree_pointer_compare): Remove. Update all users.
515 (compact_name_tags): Remove. Update all users.
516 (group_aliases): Remove. Update all users.
517 (mark_non_addressable): Move from tree-flow-inline.h.
518 Remove the symbol from the partition holding it, if
521 (debug_mp_info): New.
523 (create_partition_for): New.
524 (rewrite_alias_set_for): New.
525 (compute_memory_partitions): New.
526 (compute_may_aliases): Call it.
527 (init_alias_info): If computing aliases for the first
528 time, mark every memory symbol for renaming.
529 (have_common_aliases_p): New.
530 (compute_flow_insensitive_aliasing): Call it.
531 (setup_pointers_and_addressables): Do not cache
533 For register promoted symbols, mark their former
534 partition for renaming.
535 (maybe_create_global_var): Only create .GLOBAL_VAR if
536 there are no call-clobbered variables and a mix of pure
537 and non-pure functions were found.
538 (may_alias_p): Tidy comments.
539 (create_tag_raw): Remove unused variable new_type.
540 (dump_alias_info): call dump_memory_partitions.
541 (dump_points_to_info_for): Call dump_decl_set.
542 (may_be_aliased): Tidy comments and formatting.
544 * timevar.def (TV_MEMORY_PARTITIONING): Define.
545 * tree-vectorizer.c (vect_memsyms_to_rename): Rename from
546 vect_vnames_to_rename. Set DECL_UIDs instead of SSA name
548 (slpeel_update_phi_nodes_for_guard1): Ignore memory PHIs.
549 * tree-vect-transform.c (vect_transform_loop): Call
550 mark_set_for_renaming with vect_memsyms_to_rename.
551 * tree-flow-inline.h (zero_imm_uses_p): New.
552 (memory_partition): New.
553 (set_memory_partition): New.
554 (factoring_name_p): New.
555 (symbol_mem_tag): New. Update every function that used
556 to access the annotation directly.
557 (set_symbol_mem_tag): Likewise.
559 * tree-ssa-copy.c (may_propagate_copy): Allow copies
560 between a partition and a symbol as long as the symbol
561 belongs to the partition.
562 (merge_alias_info): Ignore merge requests when memory
563 partitions are involved.
565 * tree-ssa.c (verify_ssa_name): Check that default
566 definitions have empty defining statements.
567 (verify_use): Remove argument IS_VIRTUAL.
568 Don't call verify_ssa_name.
569 (verify_phi_args): Call verify_ssa_name.
570 (verify_flow_insensitive_alias_info): Handle MPTs.
571 (verify_flow_sensitive_alias_info): Likewise.
572 (verify_name_tags): Likewise.
573 (verify_call_clobbering): Likewise.
574 (verify_ssa): Check for VOPs only after aliasing
575 information is available.
576 Check virtuals and real operands separately.
577 Call verify_ssa_name on every operand.
578 (stmt_references_memory_p): Move to tree-ssa-operands.c.
579 (walk_use_def_chains_1): Guard against NULL PHI
582 * tree-ssa-operands.c (stmt_references_memory_p): Move from
585 (dump_memory_partitions): New.
586 (debug_memory_partitions): New.
588 * tree-flow.h (struct var_ann_d): Add field mpt.
589 (struct stmt_ann_d): Add bitfield references_memory.
590 * Makefile.in (tree-ssa-structalias.o): Include
592 (tree-ssa-alias.o): Likewise.
593 * tree-ssa-structalias.c: (update_alias_info): Use
594 STORED_SYMS to determine which variables are being
595 written to by the store operation.
596 * tree-ssa-structalias.h (struct alias_info)
597 <total_alias_vops>: Remove. Update all users.
598 <written_vars>: Change to a pointer set. Update all
600 <dereferenced_ptrs_store>: Likewise.
601 <dereferenced_ptrs_load>: Likewise.
602 (NUM_REFERENCES): Remove. Update all users.
603 (NUM_REFERENCES_CLEAR): Remove. Update all users.
604 (NUM_REFERENCES_INC): Remove. Update all users.
605 (NUM_REFERENCES_SET): Remove. Update all users.
607 * params.def (PARAM_GLOBAL_VAR_THRESHOLD): Remove.
609 (PARAM_MAX_ALIASED_VOPS): Set to 10.
610 * tree-ssanames.c (make_ssa_name): Initialize
611 SSA_NAME_IS_DEFAULT_DEF to 0.
613 2006-12-11 Aldy Hernandez <aldyh@redhat.com>
615 * tree-ssa-dse.c (aggregate_vardecl_d): New.
616 (dse_global_data): Add aggregate_vardecl field.
617 (dse_possible_dead_store_p): New.
618 Add prev_defvar variable.
619 Allow immediate uses and previous immediate uses to differ
620 if they are setting different parts of the whole.
621 (get_aggregate_vardecl): New.
622 (dse_record_partial_aggregate_store): New.
623 (dse_whole_aggregate_clobbered_p): New.
624 (dse_partial_kill_p): New.
625 (dse_optimize_stmt): Abstract code checking a possible dead store
626 into new function dse_possible_dead_store_p().
627 Call dse_maybe_record_aggregate_store().
628 When checking whether a STMT and its USE_STMT refer to the
629 same memory address, check also for partial kills that clobber
631 Move some variable definitions to the block where they are used.
632 (aggregate_vardecl_hash): New.
633 (aggregate_vardecl_eq): New.
634 (aggregate_vardecl_free): New.
635 (aggregate_whole_store_p): New.
636 (tree_ssa_dse): Initialize and free aggregate_vardecl.
637 Mark which aggregate stores we care about.
639 2006-12-11 Andrew Macleod <amacleod@redhat.com>
641 * tree-ssa-operands.h (struct vuse_element_d): Declare.
642 (vuse_element_t): Declare.
643 (struct vuse_vec_d): Declare.
644 (vuse_vec_p): Declare.
645 (VUSE_VECT_NUM_ELEM): Define.
646 (VUSE_VECT_ELEMENT_NC): Define.
647 (VUSE_ELEMENT_PTR_NC): Define.
648 (VUSE_ELEMENT_VAR_NC): Define.
649 (VUSE_VECT_ELEMENT): Define.
650 (VUSE_ELEMENT_PTR): Define.
651 (VUSE_ELEMENT_VAR): Define.
652 (struct maydef_optype_d) <use_var>: Remove.
655 (struct vuse_optype_d) <kill_var>: Remove.
658 (struct mustdef_optype_d) <kill_var>: Remove.
661 (VUSE_OP_PTR): Add argument. Use VUSE_ELEMENT_PTR.
662 (VUSE_OP): Add argument. Use VUSE_ELEMENT_PTR.
665 (MAYDEF_OP_PTR): Add argument. Use VUSE_OP_PTR.
666 (MAYDEF_OP): Add argument. Use VUSE_OP.
667 (MAYDEF_NUM): Define.
668 (MAYDEF_VECT): Define.
669 (MUSTDEF_KILL_PTR): Use VUSE_OP_PTR.
670 (MUSTDEF_KILL): Use VUSE_OP.
671 (MUSTDEF_NUM): Define.
672 (MUSTDEF_VECT): Define.
673 (realloc_maydef): Declare.
674 (realloc_vuse): Declare.
675 (struct ssa_operand_iterator_d) <vuse_index>: Add.
677 (LOADED_SYMS): Define.
678 (STORED_SYMS): Define.
679 (FOR_EACH_SSA_MUSTDEF_OPERAND): Call op_iter_next_mustdef.
680 * tree-into-ssa.c: Adapt for multi-operand V_MAY_DEF and VUSE
682 * tree-pretty-print.c: Likewise.
683 * tree-ssa-dse.c: Likewise.
684 * tree-flow-inline.h: Likewise.
685 (op_iter_next_mustdef): New.
686 * tree-ssa-operands.c: Likewise.
687 (ALLOC_OPTYPE): Remove.
693 (alloc_mustdef): New.
694 (realloc_maydef): New.
697 2006-12-11 Aldy Hernandez <aldyh@redhat.com>
699 * tree-ssa-operands.c: Remove build_v_must_defs.
700 (init_ssa_operands): Delete build_v_must_defs.
701 (finalize_ssa_v_must_def_ops): Remove.
702 (finalize_ssa_v_must_defs): Remove.
703 (finalize_ssa_stmt_operands): Do not call
704 finalize_ssa_v_must_defs.
705 (start_ssa_stmt_operands): Do not check build_v_must_defs.
706 (append_v_must_def): Delete.
707 (copy_virtual_operands): Do not copy V_MUST_DEFs.
708 (get_modify_expr_operands): Remove reference to V_MUST_DEF from
709 comment. Remove opf_kill_def.
710 (build_ssa_operands): Remove references to v_must_defs.
711 (copy_virtual_operands): Same.
712 (copy_virtual_operands): Same.
713 (fini_ssa_operands): Same.
714 (free_ssa_operands): Same.
715 (add_mustdef_op): Remove.
716 Remove mustdef_optype_p.
717 (alloc_mustdef): Remove.
718 Remove references to V_MUST_DEFs in comment at top of file.
719 (get_expr_operands): Remove opf_kill_def.
720 (opf_kill_def): Remove.
721 (add_virtual_operand): Remove opf_kill_def.
722 (get_indirect_ref_operands): Same.
723 (get_tmr_operands): Same.
725 * tree-vectorizer.c (rename_variables_in_bb): Remove
728 * tree-ssa-loop-manip.c (find_uses_to_rename_stmt): Remove
730 (check_loop_closed_ssa_stmt): Same.
732 * tree-ssa.c (verify_def): Remove V_MUST_DEF from comment.
734 (verify_ssa): Remove V_MUST_DEFs traces.
735 (verify_ssa): Remove SSA_OP_ALL_KILLS.
737 * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTDEF to
739 (rewrite_update_stmt): Remove SSA_OP_VIRTUAL_KILLS.
740 (rewrite_stmt): Remove SSA_OP_ALL_KILLS.
742 * tree-ssa-operands.h (struct stmt_operands_d): Remove V_MUST_DEF
744 (MUSTDEF_OPS): Remove.
745 (SSA_OP_VMUSTDEF): Remove.
746 (FOR_EACH_SSA_MUSTDEF_OPERAND): Remove.
747 (struct mustdef_optype_d): Remove.
748 Remove mustdef_optype_p.
749 (struct stmt_operands_d): Remove mustdef_ops.
750 (ssa_operand_iterator_d): Remove mustdefs and mustkills.
751 (SSA_OP_VIRTUAL_DEFS): Remove SSA_OP_VMUSTDEF.
752 (MUSTDEF_RESULT_PTR): Remove.
753 (MUSTDEF_RESULT): Remove.
754 (MUSTDEF_KILL_PTR): Remove.
755 (MUSTDEF_KILL): Remove.
756 (MUSTDEF_NUM): Remove.
757 (MUSTDEF_VECT): Remove.
758 (SSA_OP_VIRTUAL_KILLS): Remove.
759 (SSA_OP_ALL_VIRTUALS): Remove SSA_OP_VIRTUAL_KILLS.
760 (SSA_OP_VMUSTKILL): Remove.
761 (SSA_OP_ALL_KILLS): Remove.
762 (SSA_OP_ALL_OPERANDS): Remove SSA_OP_ALL_KILLS.
764 * tree-flow-inline.h (op_iter_init_def): Remove
765 SSA_OP_VIRTUAL_KILLS.
766 (delink_stmt_imm_use): Remove SSA_OP_ALL_KILLS.
768 * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
769 SSA_OP_VIRTUAL_KILLS.
771 * tree-ssa-loop-im.c (determine_max_movement): Remove
772 SSA_OP_VIRTUAL_KILLS.
773 (gather_mem_refs_stmt): Same.
774 (gather_mem_refs_stmt): Same.
776 * tree-ssa-dce.c (mark_really_necessary_kill_operand_phis): Delete.
777 (perform_tree_ssa_dce): Remove call to
778 mark_really_necessary_kill_operand_phis.
780 * tree-flow-inline.h (op_iter_init): Remove setting of mustdefs
782 (op_iter_next_use): Do not check mustkills.
783 (op_iter_next_def): Do not check mustdefs.
784 (op_iter_next_tree): Do not check mustkills or mustdefs.
785 (clear_and_done_ssa_iter): Do not set mustdefs or mustkills.
786 (op_iter_next_maymustdef): Do not check mustkills.
787 (op_iter_init_must_and_may_def): Remove SSA_OP_VMUSTKILL.
788 (op_iter_init_mustdef): Remove.
790 * tree-ssa-live.c (create_ssa_var_map): Change SSA_OP_VMUSTDEF to
793 * tree-ssa-dse.c (dse_optimize_stmt): Remove SSA_OP_VMUSTDEF.
795 * tree-ssa-ccp.c: Remove V_MUST_DEF traces from comments.
796 (visit_assignment): Same.
798 * tree-ssa-copy.c (copy_prop_visit_assignment): Same.
800 * tree-sra.c (mark_all_v_defs_1): Remove V_MUST_DEF from comment.
802 * tree-outof-ssa.c (check_replaceable): Remove SSA_OP_VMUSTDEF.
804 * tree-pretty-print.c (dump_vops): Remove printing of V_MUST_DEF.
805 Remove kill_p variable.
807 * tree-dfa.c (struct dfa_stats_d): Remove num_v_must_defs.
808 (dump_dfa_stats): Remove code related to V_MUST_DEFs.
809 (collect_dfa_stats_r): Do not set num_v_must_defs.
810 (mark_new_vars_to_rename): Remove v_must_defs_{before,after}
813 * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTKILL to
816 * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
817 SSA_OP_VMUSTDEF and SSA_OP_VMUSTKILL.
819 * tree-ssa-propagate.c (stmt_makes_single_store): Remove
822 2006-12-11 Zdenek Dvorak <dvorakz@suse.cz>
824 PR rtl-optimization/30113
825 * loop-iv.c (implies_p): Require the mode of the operands to be
828 2006-12-11 Diego Novillo <dnovillo@redhat.com>
830 * tree-ssa-operands.h (create_ssa_artificial_load_stmt):
831 Rename from create_ssa_artficial_load_stmt. Update all users.
832 * tree-into-ssa.c (register_new_def): Make static.
833 * tree.c (is_global_var): Handle SSA_NAMEs.
834 * tree.h (SSA_NAME_IS_DEFAULT_DEF): Define. Update all users
835 that used to call gimple_default_def.
836 * tree-ssa-operands.c (push_stmt_changes): New.
837 (pop_stmt_changes): New. Update every pass that modifies
838 statements to bracket modifications with
839 push_stmt_changes/pop_stmt_changes.
840 (discard_stmt_changes): New.
841 * tree-ssa-dom.c (stmts_to_rescan): Change to stack of
842 'tree *' instead of 'tree'. Update all users.
843 * tree-flow-inline.h (zero_imm_uses_p): New.
844 (symbol_mem_tag): New. Update every function that used
845 to access the annotation directly.
846 (set_symbol_mem_tag): Likewise.
847 * tree-dfa.c (dump_variable): Always show the escape mask.
848 (mark_symbols_for_renaming): Rename from
849 mark_new_vars_to_rename. Update all users.
850 Only mark to rename naked symbols in real and virtual
853 2006-12-11 Andreas Schwab <schwab@suse.de>
855 * varasm.c (elf_record_gcc_switches): Cast second argument of
856 ASM_OUTPUT_SKIP to unsigned HOST_WIDE_INT.
858 2006-12-11 Diego Novillo <dnovillo@redhat.com>
860 * tree-scalar-evolution.c (scev_const_prop):
861 * tree-phinodes.c (remove_phi_node): Add argument
862 RELEASE_LHS_P. If given, release the SSA name on the LHS of
865 * tree-ssa-dce.c: Remove forward declarations for static
866 functions. Re-arrange functions bodies as needed.
867 (find_obviously_necessary_stmts): Never mark PHI nodes as
870 2006-12-11 Carlos O'Donell <carlos@codesourcery.com>
872 * config/arm/elf.h (MAX_OFILE_ALIGNMENT): Remove definition.
874 2006-12-11 Jan Hubicka <jh@suse.cz>
876 * value-prof.c (tree_stringops_transform): New.
877 (tree_value_profile_transformations): Require count to be non-zero;
878 call stringop transform; reset stmt BSI after BB changed.
879 (tree_divmod_fixed_value, tree_mod_pow2): Don't emit unnecesary label.
880 (interesting_stringop_to_profile_p, tree_stringop_fixed_value): New.
881 (tree_stringops_values_to_profile): New.
882 (tree_values_to_profile): Call tree_stringops_values_to_profile.
883 * tree.h (build_string_literal): Tidy prototype.
884 (validate_arglist, builtin_memset_read_str, get_pointer_alignment):
886 * builtins.c (validate_arglist, builtin_memset_read_str,
887 get_pointer_alignment): Export.
889 2006-12-11 Uros Bizjak <ubizjak@gmail.com>
893 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
895 * config/i386/i386.opt: New target option -mx87regparm.
897 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno,
898 float_in_x87: Add new variables. mmx_words, sse_words: Remove.
899 (X87_REGPARM_MAX): Define.
901 * config/i386/i386.c (override_options): Error out for
902 -mx87regparm but no 80387 support.
903 (ix86_attribute_table): Add x87regparm.
904 (ix86_handle_cconv_attribute): Update comments for x87regparm.
905 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
906 (ix86_function_x87regparm): New function.
907 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
909 (init_cumulative_args): Initialize x87_nregs and float_in_x87
911 (function_arg_advance): Process x87_nregs and x87_regno when
912 floating point argument is to be passed in 80387 register.
913 (function_arg): Pass XFmode arguments in 80387 registers for local
914 functions. Pass SFmode and DFmode arguments to local functions
915 in 80387 registers when flag_unsafe_math_optimizations is set.
917 * reg-stack.c (convert_regs_entry): Disable NaN load for
918 stack registers that are used for argument passing.
920 * doc/extend.texi: Document x87regparm function attribute.
921 * doc/invoke.texi: Document -mx87regparm.
923 2006-12-11 Jan Hubicka <jh@suse.cz>
925 Move all varpool routines out of cgraph/cgraphunit to varpool.c
926 * cgraph.c: Update comments.
927 (cgraph_varpool_hash,
928 cgraph_varpool_nodes, cgraph_varpool_last_needed_node
929 cgraph_varpool_node_name, cgraph_varpool_node,
930 cgraph_varpol_mode_for_asm, cgraph_varpool_mark_needed_node,
931 cgraph_variable_initializer_availability): Move to
932 varpool.c and drop cgraph_ prefixes.
933 (cgraph_varpool_enqueue_needed_node, cgraph_varpool_reset_queue,
934 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_finalize_decl):
935 move to varpool.c; drop cgraph_ prefix; make static.
936 (dump_cgraph_varpool_node): Move to varpool.c under name
938 (dump_varpool, hash_varpool_node, eq_varpool_node,
939 decide_is_variable_needed): Move to varpool.c
940 (decl_assembler_name_equal): Move to tree.c.
941 (availability_names): Rename to ...
942 (cgraph_availability_names): ... this one.
943 (dump_cgraph_node): Update.
944 * cgraph.h: Reorder declarations now in varpool.c
945 (cgraph_vailablity_names): Declare.
946 (struct cgraph_varpool_node): Rename to ...
947 (struct varpool_node): ... this one.
948 (cgraph_varpool_first_unanalyzed_node, cgraph_varpool_nodes_queue,
949 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_node,
950 cgraph_varpool_node_for_asm, cgraph_varpool_mark_needed_node,
951 cgraph_varpool_finalize_decl, cgraph_varpool_enqueue_needed_node,
952 cgraph_varpool_reset_queue, cgraph_varpool_assemble_pending_decls,
953 cgraph_variable_initializer_availability): Rename to ...
954 (varpool_first_unanalyzed_node, varpool_nodes_queue,
955 varpool_first_unanalyzed_node, varpool_node,
956 varpool_node_for_asm, varpool_mark_needed_node,
957 varpool_finalize_decl, varpool_enqueue_needed_node,
958 varpool_assemble_pending_decls, variable_initializer_availability):
960 * tree.c (decl_assembler_name_equal): Move here from cgraph.c.
961 * tree.h (decl_assembler_name_equal): Declare.
962 * omp-low.c (lower_omp_critical): Update.
963 * ipa-reference (analyze_variable, static_execute): Likewise.
964 * toplev.c (wrapup_global_declaration_2, compile_file): Update.
965 * cgraphunit.c: Update comments.
966 (cgraph_varpool_assembled_nodes_queue): Move to varpool.c under name
967 varpool_assembled_nodes_queue.
968 (cgraph_varpool_analyze_pending_decls): Move to varpool.c under name
969 varpool_analyze_pending_decls.
970 (cgraph_varpool_remove_unreferenced_decls): Move to varpool.c under name
971 varpool_remove_unreferenced_decls.
972 (record_reference): Update.
973 (cgraph_create_edges): Update.
974 (record_referneces_in_initializer): New function.
975 (cgraph_varpool_assemble_decl): Move to varpool.c under name
976 varpool_assemble_decl; make global.
977 (cgraph_varpool_assemble_pending_decls): Move to varpool.c under name
978 varpool_assemble_pending_decls.
979 (process_function_and_variable_attributes, cgraph_finalize_compilation_unit,
980 struct cgraph_order_sort, cgraph_output_in_order,
981 cgraph_function_and_variable_invisibility, cgraph_optimize,
982 cgraph_increase_alignment): Update.
983 * dwarf2out.c (decls_for_scope): Likewise.
984 * ipa-type-escape.c (analyze_variable, type_escape_execute): Likewise.
985 * except.c (output_ttype): Likewise.
986 * varasm.c (mark_decl_referenced): Likewise.
987 (find_decl_and_mark_referenced, assemble_alias): update.
988 * Makefile.in: Add varpool.c, gt-varpool.c and remove gt-cgraphunit.c
989 * passes.c (rest_of_decl_compilation): Update.
991 2006-12-11 Ira Rosen <irar@il.ibm.com>
993 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Use
995 * tree-vect-transform.c (vect_permute_store_chain): Likewise.
996 (vect_setup_realignment): Likewise.
998 2006-12-11 Sa Liu <saliu@de.ibm.com>
999 Ben Elliston <bje@au.ibm.com>
1001 * config/spu/spu-elf.h (STARTFILE_SPEC): Update.
1002 (ENDFILE_SPEC): Likewise.
1003 * config/spu/spu.opt (mstdmain): New option.
1004 * config/spu/crti.asm: Remove.
1005 * config/spu/crtn.asm: Likewise.
1006 * config/spu/crt0.c: Likewise.
1007 * config/spu/crtend.c: Likewise.
1008 * config/spu/t-spu-elf (EXTRA_MULTILIB_PARTS): Remove crt0 files
1010 ($(T)crti.o, $(T)crtn.o, $(T)crt1.o, $(T)crtend1.o): Remove.
1011 * doc/invoke.texi (SPU Options): Document -mstdmain.
1013 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
1015 * doc/loop.texi: Document number_of_latch_executions and
1016 number_of_cond_exit_executions.
1017 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1018 chrec_is_positive, number_of_iterations_for_all_loops,
1019 scev_const_prop): Use number_of_latch_executions.
1020 (set_nb_iterations_in_loop): Do not increase the value of the
1021 number of iterations.
1022 (number_of_iterations_in_loop): Renamed to ...
1023 (number_of_latch_executions): ... this.
1024 (number_of_exit_cond_executions): New function.
1025 * tree-scalar-evolution.h (number_of_iterations_in_loop): Declaration
1027 (number_of_latch_executions, number_of_exit_cond_executions): Declare.
1028 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables): Use
1029 number_of_latch_executions.
1030 * tree-data-ref.c (get_number_of_iters_for_loop): Use
1031 number_of_exit_cond_executions.
1032 * tree-vect-analyze.c (vect_get_loop_niters): Ditto.
1033 * cfgloop.h (struct loop): Improve description of the nb_iterations
1036 2006-12-10 Daniel Berlin <dberlin@dberlin.org>
1038 * tree-ssa-alias.c (compact_name_tags): Use sort_tags_by_id.
1039 (tree_pointer_compare): Remove.
1041 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
1043 * tree-vrp.c (adjust_range_with_scev): Use get_chrec_loop.
1044 * loop-unswitch.c (unswitch_loops): Use FOR_EACH_LOOP.
1045 * tree-loop-linear.c (linear_transform_loops): Ditto.
1046 * tree-ssa-loop-im.c (determine_lsm): Ditto.
1047 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
1048 free_numbers_of_iterations_estimates): Ditto.
1049 * tree_ssa_unswitch_loops (tree_ssa_unswitch_loops): Ditto.
1050 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1051 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
1052 * modulo-sched.c (sms_schedule): Ditto.
1053 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables,
1054 tree_unroll_loops_completely): Ditto.
1055 * predict.c (predict_loops): Ditto.
1056 * tree-if-conv.c (main_tree_if_conversion): Ditto.
1057 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
1058 decide_unrolling_and_peeling): Ditto.
1059 * cfgloopmanip.c (unloop): Use delete_loop.
1060 (place_new_loop): Access larray vector instead of parray.
1061 (create_preheaders, force_single_succ_latches,
1062 fix_loop_structure): Use FOR_EACH_LOOP and delete_loop..
1063 * loop-doloop.c (doloop_optimize_loops): Ditto.
1064 * loop-invariant.c (move_loop_invariants): Ditto.
1065 * tree-cfg.c (replace_uses_by): Ditto.
1066 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Ditto.
1067 * tree-chrec.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
1069 * tree.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
1071 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop,
1072 compute_overall_effect_of_inner_loop, chrec_is_positive): Use
1073 get_loop and get_chrec_loop.
1074 (number_of_iterations_for_all_loops): Use number_of_loops.
1075 (scev_initialize, scev_reset, scev_const_prop): Use FOR_EACH_LOOP.
1076 * tree-scalar-evolution.h (get_chrec_loop): New inline function.
1077 * cfgloopanal.c (mark_irreducible_loops): Use number_of_loops,
1079 * tree-chrec.c (evolution_function_is_invariant_rec_p,
1080 chrec_convert_1): Use get_loop and get_chrec_loop.
1081 * loop-init.c (loop_optimizer_init): Use number_of_loops.
1082 (loop_optimizer_init): Use FOR_EACH_LOOP.
1083 * tree-vectorizer.c (vect_loops_num): Removed.
1084 (vectorize_loops): Store number of loops locally. Use
1085 FOR_EACH_LOOP and get_loop.
1086 * tree-vectorizer.h (vect_loops_num): Removed.
1087 * tree-data-ref.c (get_number_of_iters_for_loop): Use get_loop.
1088 (find_data_references_in_loop): Do not set parallel_p.
1089 * tree-data-ref.h: Do not declare VEC(loop_p).
1090 * cfgloop.c (flow_loops_dump, mark_single_exit_loops,
1091 verify_loop_structure): Use FOR_EACH_LOOP.
1092 (flow_loops_free): Use FOR_EACH_LOOP, free larray vector.
1093 (initialize_loops_parallel_p): Removed.
1094 (flow_loops_find): Push the loops into a vector.
1095 (delete_loop): New function.
1096 (cancel_loop): Use delete_loop.
1097 * cfgloop.h: Declare VEC(loop_p).
1098 (struct loop): Remove parallel_p field.
1099 (struct loops): Replace num and parray field by larray vector.
1100 Remove shared_headers field.
1101 (delete_loop): Declare.
1102 (get_loop, get_loops, number_of_loops, fel_next, fel_init,
1103 FOR_EACH_LOOP): New.
1104 * doc/loop.tex: Document new accessor functions.
1106 2006-12-10 Andrew MacLeod <amacleod@redhat.com>
1108 * common.opt (-ftree-lrs): Remove live range splitting option.
1109 * makefile.in: Add tree-ssa-coalesce.o and reduce header dependancies.
1110 * opts.c (decode_options): Remove flag_tree_live_range_split.
1111 * tree-flow.h (struct var_ann_d): Rename fields from root_ to base_.
1112 * tree-flow-inline.h (single_imm_use_p): New. Check for single use.
1113 * tree-outof-ssa.c: Remove header files which aren't needed.
1114 (SSANORM_*): Remove flags.
1115 (print_exprs_edge, coalesce_abnormal_edges, coalesce_phi_operands,
1116 coalesce_result_decls_and_copies, coalesce_asm_operands): Remove.
1117 (coalesce_ssa_name): Move to tree-ssa-coalesce.c.
1118 (assign_vars): Use Basevar instead of root_var structure.
1119 (replace_def_variable): Dont do anything if def is replaceable.
1120 (remove_ssa_form): Integrate functional changes.
1121 (rewrite_out_of_ssa): Remove live-range_split option.
1122 * tree-ssa-coalesce.c: New File for ssa-name coalescing.
1123 (coalesce_cost): Calculate the cost of a coalesce.
1124 (coalesce_cost_bb): Calculate the coalesce cost within a BB.
1125 (coalesce_cost_edge): Calculate the coalesce cost on an edge.
1126 (pop_cost_one_pair): Remove the best coalesce with cost 1 from the list.
1127 (pop_best_coalesce): Remove the best coalesce from the list.
1128 (coalesce_pair_map_hash): Calculate coalesce pair hash.
1129 (coalesce_pair_map_eq): Compare 2 coalesce pairs for hash function.
1130 (create_coalesce_list): Create a coalesce list object.
1131 (delete_coalesce_list): Free a coalesce list object.
1132 (find_coalesce_pair): Find matching pair in the coalesce list.
1133 (add_cost_one_coalesce): Add a coalesce to the "cost one" list.
1134 (add_coalesce): Add a coalesce to the coalesce list.
1135 (compare_pairs): Comparision function to determine pair sorted order.
1136 (num_coalesce_pairs): Number of coalesced pairs.
1137 (first_coalesce_pair, end_coalesce_pair_p, next_coalesce_pair):
1138 Coalesce pair iterator functions.
1139 (sort_coalesce_list): Sort coalesce pairs in order of expense.
1140 (dump_coalesce_list): Show coalesce list.
1141 (ssa_conflicts_new): Create an SSA conflict graph.
1142 (ssa_conflicts_delete): Delete an SSA conflict graph.
1143 (ssa_conflicts_test_p): Test for conflicts.
1144 (ssa_conflicts_add_one): Add a single conflict.
1145 (ssa_conflicts_add): Add a conflict pair.
1146 (ssa_conflicts_merge): Merge conflicts.
1147 (struct live_track_d): Struct for tracking live partitions.
1148 (new_live_track): Create new live_track object.
1149 (delete_live_track): Delete a live_track object.
1150 (live_track_remove_partition): Remove a partition from the live list.
1151 (live_track_add_partition): Add a partition from the live list.
1152 (live_track_clear_var): Take VAR from the live list.
1153 (live_track_live_p): Is var live?
1154 (live_track_process_use): Make var come alive.
1155 (live_track_process_def): Make var go dead, add conflicts.
1156 (live_track_init): Initialize to a live on exit set.
1157 (live_track_clear_base_vars): Clear live partitions.
1158 (build_ssa_conflict_graph): Build a conflict graph.
1159 (print_exprs): Common debug output routine.
1160 (abnormal_corrupt): Output info about a failed coalesce across an
1162 (fail_abnormal_edge_coalesce): Output info about a failed MUST_COALESCE.
1163 (create_outofssa_var_map): Create a var map and coalesce list.
1164 (attempt_coalesce): Coalesce a pair.
1165 (coalesce_partitions): Coalesce all pairs in a coalesce list.
1166 (coalesce_ssa_name): Entry point. Determine what ssa_names to coalesce.
1167 * tree-ssa-live.c: Remove header files which aren't needed.
1168 (var_map_base_init): New. Initialize a basevar list.
1169 (var_map_base_fini): New. Finish a basevar list.
1170 (init_var_map): Initialize new fields.
1171 (delete_var_map): Free new fields.
1172 (var_union): Use renamed fields.
1173 (compact_var_map): Remove.
1174 (partition_to_view_init): Use renamed fields, change order of an if.
1175 (partition_view_fini): Use renamed fields.
1176 (partition_view_normal): Create basevar list if requested.
1177 (partition_view_bitmap): Create a view based on a bitmap of partitions.
1178 (change_partition_var): Use renamed fields.
1179 (create_ssa_var_map): Remove.
1180 (tpa_init, tpa_remove_partition, tpa_delete, tpa_compact,
1181 root_var_init): Remove.
1182 (partition_pair_map_hash, partition_pair_map_eq, create_coalesce_list,
1183 delete_coalesce_list, find_partition_pair, coalesce_cost, add_coalesce,
1184 compare_pairs, num_coalesce_pairs, first_partition_pair,
1185 end_partition_pair_p, next_partition_pair, sort_coalesce_list,
1186 pop_best_coalesce, add_conflicts_if_valid, set_if_valid,
1187 build_tree_conflict_graph, coalesce_tpa_members, dump_coalesce_list,
1188 tpa_dump): Moved to tree-ssa-coalesce.c and/or renamed there.
1189 (dump_var_map): Use renamed fields.
1190 * tree-ssa-live.h (struct _var_map): Modify fields.
1191 (partition_to_var, version_to_var, var_to_partition): Use renamed
1193 (basevar_index): New. Index of the base variable of a partition.
1194 (num_basevars): New. Number of unique base variables in partition map.
1195 (register_ssa_partition): Use renamed fields.
1196 (struct tree_partition_associator_d): Remove.
1197 (tpa_num_trees, tpa_tree, tpa_first_partition, tpa_next_partition,
1198 tpa_find_tree, tpa_decompact, root_var_init, root_var_num,
1199 root_var, root_var_first_partition, root_var_next_partition,
1200 root_var_dump, root_var_delete, root_var_remove_partition,
1201 root_var_find, root_var_compact, root_var_decompact): Remove.
1202 (struct partition_pair, struct coalesce_list_d): Moved to
1204 * tree-ssa-ter.c: Remove header files which aren't needed.
1206 2006-12-10 Steven Bosscher <steven@gcc.gnu.org>
1208 * cse.c: (struct cse_basic_block_data): Remove LAST field.
1209 (struct branch_path): Remove BRANCH and TAKEN fields. Add new
1211 (cse_visited_basic_blocks): New static bitmap.
1212 (cse_end_of_basic_block, cse_basic_block): Remove.
1213 (cse_find_path, cse_dump_path, cse_prescan_path,
1214 cse_extended_basic_block): New static functions.
1215 (cse_insn): Don't CSE over setjmp calls. Use the CFG to find
1216 basic block boundaries. Don't record jump equivalences here.
1217 Update the CFG after doing in-place replacement of the SET_SRC.
1218 (cse_main): Rewrite. Look for extended basic block headers
1219 and call cse_extended_basic_block on them until all paths that
1220 start at this header are exhausted.
1221 (rest_of_handle_cse): Verify that the CFG is incrementally updated
1222 and correct after cse_main.
1223 Don't call delete_trivially_dead_insns, let cfgcleanup do that.
1224 (rest_of_handle_cse2): Verify the CFG here, too, after cse_main.
1225 (pass_cse): Add TODO_verify_flow.
1226 (pass_cse2): Likewise.
1228 2006-12-10 Rask Ingemann Lambertsen <rask@sygehus.dk>
1230 * reload1.c (choose_reload_regs): Don't set byte offset when
1231 resolving subregs of hard regs.
1233 2006-12-09 Zack Weinberg <zackw@panix.com>
1235 * c-opts.c (c_common_parse_file): Unconditionally give a warning,
1236 suitable for the language, if set_yydebug is true.
1237 * c-pragma.h: Define enum pragma_omp_clause here. Don't define
1238 YYDEBUG or declare yydebug.
1239 * c-parser.c (yydebug, enum pragma_omp_clause): Delete.
1241 2006-12-09 Jan Hubicka <jh@suse.cz>
1243 * cgraph.c: Update copyright.
1244 * cgraph.h: Likewise
1245 (cgraph_update_pending_function): Remove prototype.
1246 * cgraphunit.c: Update copyright; update overall comment.
1247 (cgraph_assemble_pending_functions): Make local.
1249 2006-12-09 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1251 * haifa-sched.c (schedule_block): Remove excessive sanity check.
1253 2006-12-08 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1255 * config/spu/spu-protos.h (spu_split_immediate): Renamed from
1257 (cpat_const_p, gen_cpat_const): Add.
1258 * config/spu/spu.c (immediate_class): New enum.
1259 (cpat_info, classify_immediate): New.
1260 (print_operand): Use S, D, T instead of F, G, H. Use
1261 classify_immediate. Handle cpat cases.
1262 (spu_split_immediate): Renamed from spu_split_address. Split all
1263 immediates that can be split.
1264 (immediate_load_p): Use classify_immediate.
1265 (spu_legitimate_constant_p): Accept everything except some cases of
1267 (spu_expand_move): Use spu_split_immedate.
1268 (fsmbi_const_p): Use classify_immediate.
1269 (cpat_const_p): New.
1270 (gen_cpat_const: New.
1271 * config/spu/constraints.md (j,k,l): New constraints for cpat
1273 * config/spu/spu.md (unnamed splitter): Change address splitter to
1274 handle all immediates.
1275 (_mov<mode>, _movdi, _movti): Handle i, j, k constraints for cpat
1277 (cpat, _cpat, splitter): Generate a TImode constant for cpat patterns
1280 2006-12-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1283 * pa.md (high:DI and lo_sum:DI): Handle 64-bit CONST_INTs in 32-bit
1284 patterns. Correct length of high:DI instruction sequence.
1286 2006-12-08 Mike Stump <mrs@apple.com>
1288 * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Build
1289 libgcc with -mmacosx-version-min=10.4.
1290 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Default to
1291 G4 for 10.5+ unless doing kernel builds.
1293 2006-12-08 Uros Bizjak <ubizjak@gmail.com>
1296 * reg-stack.c (convert_regs_entry): Mark current argument passing
1299 * config/i386/i386.h (X87_REGPARM_MAX): Set to 0 to disable passing
1300 of float arguments in x87 registers.
1302 2006-12-08 John David Anglin <dave.anglin.@nrc-cnrc.gc.ca>
1304 * pa.h (LEGITIMATE_CONSTANT_P): Simplify.
1306 2006-12-08 Mark Shinwell <shinwell@codesourcery.com>
1308 * recog.c (mode_dependent_address_p): Identify pre-increment,
1309 pre-decrement, post-increment and post-decrement addressing as always
1310 being mode-dependent.
1311 * config/m32c/m32c.c (m32c_mode_dependent_address): Delete.
1312 * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1313 * config/m32c/m32c-protos.h (m32c_mode_dependent_address): Delete.
1314 * config/m32r/m32r.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
1315 PRE_INC and POST_INC checks.
1316 * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1317 * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1318 * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1319 * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1320 * config/c4x/c4x.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
1321 PRE_INC, POST_DEC and POST_INC cases.
1322 * config/stormy16/stormy16.c (xstormy16_mode_dependent_address_p):
1323 Delete POST_INC and PRE_DEC cases.
1324 * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
1326 * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1327 * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
1329 * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1330 * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1331 * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Delete
1332 PRE_INC and PRE_DEC cases.
1333 * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1334 * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1335 * config/arm/arm.h (ARM_GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1336 (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1337 * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1338 * config/vax/vax.c (vax_mode_dependent_address_p): Delete
1339 auto-increment cases.
1340 * config/h8300/h8300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete
1341 auto-increment cases.
1342 * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1344 2006-12-08 Andrew MacLeod <amacleod@redhat.com>
1346 * Makefile.in: Add new file tree-ssa-ter.c.
1347 * tree-outof-ssa.c (struct temp_expr_table_d, new_temp_expr_table,
1348 free_temp_expr_table, add_value_to_version_list,
1349 add_value_to_partition_list, remove_value_from_partition_list,
1350 add_dependence, check_replaceable, finish_expr, mark_replaceable,
1351 kill_expr, kill_virtual_exprs, find_replaceable_in_bb,
1352 find_replaceable_exprs, dump_replaceable_exprs): Move to tree-ssa-ter.c.
1353 * tree-ssa-live.h (find_replaceable_exprs, dump_replaceable_exprs): Add
1355 * tree-ssa-ter.c: New file using code moved from tree-outof-ssa.c.
1356 (struct value_expr_d): Remove.
1357 (struct temp_expr_table_d): Rename fields, add explicit vector of
1358 replaceable expressions instead of sharing. Change value_expr_p's to
1359 bitmap. Delete free_list.
1360 (new_temp_expr_table): Rename fields, count number of ssa_names in
1362 (free_temp_expr_table): Rename field, free new fields.
1363 (new_value_expr, free_value_expr, find_value_in_list, add_value_to_list,
1364 add_info_to_list, remove_value_from_list): Delete.
1365 (version_to_be_replaced_p): New. Is an ssa-name replaceable?
1366 (make_dependent_on_partition): New. Set bit in version list, allocating
1367 a bitmap if need be.
1368 (add_to_partition_kill_list): New. Set bit in the partition list,
1369 allocating a bitmap if need be.
1370 (remove_from_partition_kill_list): New. Remove a bit from the
1371 partition list, free the bitmap if it is empty.
1372 (add_dependence): Use renamed field, cleanup. Don't add a dependence
1373 on partitions with only one member.
1374 (is_replaceable_p): New. Split out replaceability check from
1376 (process_replaceable): New. Code split from check_replaceable.
1377 (check_replaceable): Removed.
1378 (finished_with_expr): Renamed from finish_expr.
1379 (kill_expr): Use renamed fields and less parameters.
1380 (kill_virtual_exprs): Less parameters.
1381 (mark_replaceable): Use renamed fields.
1382 (find_replaceable_in_bb): Use renamed fields, cleanup.
1383 (find_replaceable_exprs): Use renamed routines, cleanup.
1384 (dump_replaceable_exprs): Don't go past end of ssa_names list.
1385 (debug_ter): New. Debug routine to dump state.
1387 2006-12-08 Bernd Schmidt <bernd.schmidt@analog.com>
1389 * config/bfin/bfin.c (effective_address_32bit_p): Return true for
1390 anything involving the GOT.
1391 (bfin_adjust_cost): Don't take the REGNO of a MEM.
1392 (trapping_loads_p): Look inside the pattern of an insn to find the
1394 * config/bfin/bfin.md (attr "type"): Add movcc.
1395 (insn_reservation "alu"): Likewise.
1396 (movsicc_insn1, movsicc_insn2): Change type to movcc.
1398 2006-12-07 Andrew Pinski <andrew_pinski@playstation.sony.com>
1400 * config/spu/spu-c.c (spu_build_overload_builtin): Delete.
1401 (spu_resolve_overloaded_builtin): Check for non scalar instead
1402 of vector type and check the function call argument type also for
1404 Call build_function_call instead of spu_build_overload_builtin.
1406 2006-12-07 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1408 * config/spu/spu.c (array_to_constant): Correct the order of arguments
1409 to the calls of hwint_to_const_double.
1411 2006-12-07 Nick Clifton <nickc@redhat.com>
1413 * config/elfos.h (TARGET_ASM_RECORD_GCC_SWITCHES): Set to
1414 elf_record_gcc_switches.
1416 2006-12-07 Andrew Macleod <amacleod@redhat.com>
1418 * expr.c (string_constant): Account for non-zero lower bound arrays.
1420 2006-12-07 Richard Guenther <rguenther@suse.de>
1422 * builtins.c (expand_builtin_pow): Adjust predicates for
1423 pow to cbrt expansion to unsafe math and !HONOR_NANS for
1426 2006-12-07 Jan Hubicka <jh@suse.cz>
1428 * i386.c (nocona_cost, pentium4_cost): Update preffered memcpy/memset
1431 2006-12-07 Jan Hubicka <jh@suse.cz>
1433 * tree-vrp.c (compare_values): Short circuit INTEGER_CST;
1434 use fold_constant_to_binary; tolerate wrong type constants.
1435 (value_intersect_p): Do just two tests.
1437 2006-12-07 Bernd Schmidt <bernd.schmidt@analog.com>
1439 * config/bfin/bfin.c (print_operand): New modifier 'N' for constants.
1440 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
1441 lshifthi3): Use it, and fix the order of alternatives.
1443 2006-12-07 Nick Clifton <nickc@redhat.com>
1445 * common.opt (record-gcc-switches): New command line switch.
1446 * target.h (print_switch_type): New enum.
1447 (print_switch_fn_type): New typedef for a function pointer.
1448 (struct gcc_target): Add record_gcc_switches and
1449 record_gcc_switches_section fields.
1450 * target-def.h (TARGET_ASM_RECORD_GCC_SWITCHES): Provide a
1452 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Provide a default
1454 * toplev.c (print_single_switch): Simplify by providing a
1455 pointer to function that will format and output the switch
1457 (print_switch_values): Likewise.
1458 (print_to_asm_out_file): New function.
1459 (print_to_stderr): New function.
1460 (init_asm_output): If flag_record_gcc_switches is set then if
1461 the target supports recording the switches then emit them into
1462 the assembler output file, otherwise tell the user that the
1463 switch is not supported.
1464 * varasm.c (eld_record_gcc_switches): New function. Example
1465 handler for the record_gcc_switches target hook.
1466 * doc/tm.texi (TARGET_ASM_RECORD_GCC_SWITCHES): Document the new
1468 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Likewise.
1469 * doc/invoke.texi (-frecord-gcc-switches): Document.
1471 2006-12-07 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1474 * sched-rgn.c (add_block1): Use correct initializer.
1476 2006-12-07 Richard Guenther <rguenther@suse.de>
1478 * tree-vect-transform.c (vectorizable_call): Fix leftover of
1479 TREE_OPERAND to GIMPLE_STMT_OPERAND conversion.
1481 2006-12-06 Aldy Hernandez <aldyh@redhat.com>
1484 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Build MODIFY_EXPR
1485 not GIMPLE_MODIFY_STMT.
1487 2006-12-06 Jan Hubicka <jh@suse.cz>
1489 * tree-vrp.c (operand_less_p): New.
1490 (compare_values, value_inside_range): Rewrite in terms of
1493 2006-12-06 Uros Bizjak <ubizjak@gmail.com>
1495 * config/i386/i386.md (DIRFLAG_REG): Remove constant.
1497 (length_immediate): Do not depend on cld type attribute.
1498 (length_address): Ditto.
1501 (cld): Remove insn pattern.
1502 (strmov_singleop): Do not use DIRFLAG_REG.
1503 (*strmovdi_rex_1): Ditto.
1504 (*strmovsi_1): Ditto.
1505 (*strmovsi_rex_1): Ditto.
1506 (*strmovhi_1): Ditto.
1507 (*strmovhi_rex_1): Ditto.
1508 (*strmovqi_1): Ditto.
1509 (*strmovqi_rex_1): Ditto.
1511 (*rep_movdi_rex64): Ditto.
1512 (*rep_movsi): Ditto.
1513 (*rep_movsi_rex64): Ditto.
1514 (*rep_movqi): Ditto.
1515 (*rep_movqi_rex64): Ditto.
1516 (strset_singleop): Ditto.
1517 (*strsetdi_rex_1): Ditto.
1518 (*strsetsi_1): Ditto.
1519 (*strsetsi_rex_1): Ditto.
1520 (*strsethi_1): Ditto.
1521 (*strsethi_rex_1): Ditto.
1522 (*strsetqi_1): Ditto.
1523 (*strsetqi_rex_1): Ditto.
1525 (*rep_stosdi_rex64): Ditto.
1526 (*rep_stossi): Ditto.
1527 (*rep_stossi_rex64): Ditto.
1528 (*rep_stosqi): Ditto.
1529 (*rep_stosqi_rex64): Ditto.
1530 (cmpstrnsi): Do not generate cld insn.
1531 (cmpstrnqi_nz_1): Do not use DIRFLAG_REG.
1532 (*cmpstrnqi_nz_1): Ditto.
1533 (*cmpstrnqi_nz_rex_1): Ditto.
1534 (cmpstrnqi_1): Ditto.
1535 (*cmpstrnqi_1): Ditto.
1536 (*cmpstrnqi_rex_1): Ditto.
1537 (strlenqi_1): Ditto.
1538 (*strlenqi_1): Ditto.
1539 (*strlenqi_rex_1): Ditto.
1541 * config/i386/geode.md (shift): Do not depend on cld type attribute.
1542 * config/i386/pentium.md (pent_cld): Remove insn reservation.
1543 * config/i386/athlon.md (athlon_decode): Do not depend on cld
1545 * config/i386/ppro.md (ppro_cld): Remove insn reservation.
1546 * config/i386/k6.md (k6_alux_only): Do not depend on cld type
1548 (k6_alux_only_load): Ditto.
1549 (k6_alux_only_store): Ditto.
1551 * config/i386/i386.c (ix86_expand_movmem): Remove cld_done boolean.
1552 Do not emit cld instruction.
1553 (ix86_expand_setmem): Ditto.
1554 (ix86_expand_strlen): Do not emit cld instruction.
1556 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
1558 * config/bfin/bfin.c (bfin_rtx_costs): Add a number of new cases, tweak
1561 2006-12-06 Diego Novillo <dnovillo@redhat.com>
1563 * gdbinit.in: Set complaints to 0.
1565 2006-12-06 Jan Hubicka <jh@suse.cz>
1567 * statistics.h (ALONE_PASS_MEM_STAT, ALONE_MEM_STAT_INFO,
1568 ALONE_MEM_STAT_DECL): New macros.
1569 * bitmap.h: Include statistics.h
1570 (struct bitmap_head_def): Add variant with pointer to bitmap descriptor.
1571 (bitmap_initialize_stat): Rename from bitmap_initialize; add statistics.
1572 (bitmap_obstack_alloc_stat, bitmap_gc_alloc_stat): Declare.
1573 * bitmap.c: Include hashtab.h
1574 (bitmap_descriptor): New.
1575 (bitmap_hash): New static variable
1576 (hash_descriptor, eq_descriptor, bitmap_descriptor, register_overhead):
1577 New static functions.
1578 (bitmap_register): New.
1579 (bitmap_element_free, bitmap_element_allocate, bitmap_elt_clear_from,
1580 bitmap_obstack_release): Do accounting.
1581 (bitmap_obstack_alloc_stat): Rename from bitmap_obstack_alloc ; do
1583 (bitmap_gc_alloc_stat): Likewise.
1584 (bitmap_obstack_free, bitmap_find_bit): Do statictics.
1585 (print_statistics, dump_bitmap_statistics): New functions.
1586 * toplev.c (finalize): Dump bitmap statistics.
1588 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
1590 * reload1.c (delete_output_reload): Count occurrences in
1591 CALL_INSN_FUNCTION_USAGE.
1592 * rtlanal.c (count_occurrences): Handle EXPR_LIST nodes without
1593 crashing at the end of the list.
1595 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
1597 * tree-ssa-structalias.c (set_used_smts): Re-fix pr29156.
1598 Optimize to avoid marking more SMT's as used when they aren't.
1600 2006-12-05 Eric Christopher <echristo@apple.com>
1602 * config/i386/i386.c (x86_output_aligned_bss): Move out
1603 of COMMON_ASM_OP ifdef.
1605 2006-12-05 Eric Christopher <echristo@apple.com>
1607 * config/darwin.h (DARWIN_EXTRA_SPECS): New.
1608 (STARTFILE_SPEC): Use.
1609 (DARWIN_DYLIB1_SPEC): New.
1610 (DARWIN_CRT1_SPEC): New.
1611 * config/i386/darwin64.h (SUBTARGET_EXTRA_SPECS): Use
1613 * config/i386/darwin.h: Ditto.
1614 * config/rs6000/darwin.h: Ditto.
1616 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
1618 * tree-vrp.c (pass_vrp): Remove PROP_smt_usage.
1619 * tree-complex.c (pass_lower_complex): Ditto.
1620 * tree-ssa-ccp.c (pass_ccp): Ditto.
1621 (pass_store_ccp): Ditto.
1622 * tree-ssa-dom.c (pass_dominator): Ditto.
1623 (pass_phi_only_cprop): Ditto.
1624 * tree-sra.c (pass_sra): Ditto.
1625 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
1626 * tree-flow.h (updating_used_alone): Remove.
1627 (updating_used_alone): Ditto.
1628 * tree-ssa-alias.c (updating_used_alone): Remove variable.
1629 (lhs_may_store_to): Remove function.
1630 (recalculate_used_alone): Ditto.
1631 (compute_may_aliases): Remove used_alone calculation.
1632 * tree.h (struct tree_memory_tag): Remove is_used_alone and
1633 old_used_alone. Remove SMT_USED_ALONE and SMT_OLD_USED_ALONE.
1634 * tree-pass.h (PROP_smt_usage): Remove.
1635 * passes.c (execute_todo): Remove used alone recalculation.
1636 (execute_one_pass): Ditto.
1637 * tree-ssa-operands.c (add_virtual_operand): Remove used_alone
1640 2006-12-05 Brooks Moses <brooks.moses@codesourcery.com>
1642 * doc/include/texinfo.tex: Update to version 2006-11-08.17.
1644 2006-12-05 Zdenek Dvorak <dvorakz@suse.cz>
1646 PR tree-optimization/14784
1647 * tree-ssa-operands.c (access_can_touch_variable): Unrevert the fix.
1649 2006-12-05 Aldy Hernandez <aldyh@redhat.com>
1651 Merge from gimple-tuples-branch.
1653 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1655 * config/s390/s390.c (s390_va_start): Replace MODIFY_EXPR with
1657 (s390_gimplify_va_arg): Same.
1658 * config/sparc/sparc.c (sparc_gimplify_va_arg): Same.
1659 * config/sh/sh.c (sh_va_start): Same.
1660 (sh_gimplify_va_arg_expr): Same.
1661 * config/xtensa/xtensa.c (xtensa_va_start): Same.
1662 (xtensa_gimplify_va_arg_expr): Same.
1663 * config/ia64/ia64.c (ia64_gimplify_va_arg): Same.
1664 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Same.
1665 * config/mips/mips.c (mips_va_start): Same.
1666 (mips_gimplify_va_arg_expr): Same.
1668 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1670 * Merge from mainline at revision 119445.
1672 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1674 * config/spu/spu.c (spu_va_start): Change MODIFY_EXPR to
1676 (spu_gimplify_va_arg_expr): Same.
1678 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1680 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1681 Change uses of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
1682 (xstormy16_expand_builtin_va_arg): Same.
1684 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1686 * config/frv/frv.c (frv_expand_builtin_va_start): Change MODIFY_EXPR
1687 to GIMPLE_MODIFY_STMT.
1689 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1691 * config/alpha/alpha.c (va_list_skip_additions): Change all
1692 occurrences of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
1693 (alpha_va_start): Same.
1694 (alpha_gimplify_va_arg_1): Same.
1695 (alpha_gimplify_va_arg): Same.
1697 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
1699 * gimplify.c (gimplify_modify_expr): Remove FIXME comment.
1701 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
1703 * tree-ssa-loop-im.c: Rename all PROTECTED_TREE_OPERAND to
1704 GENERIC_TREE_OPERAND, and all PROTECTED_TREE_TYPE to
1706 * tree-complex.c: Same.
1707 * tree-pretty-print.c: Same.
1711 * fold-const.c: Same.
1712 * tree-ssa-dom.c: Same.
1713 * tree-ssa-propagate.c: Same.
1714 * tree-ssa-alias.c: Same.
1715 * gimple-low.c: Same.
1716 * dwarf2out.c: Same.
1717 * c-pretty-print.c: Same.
1719 * tree-inline.c: Same.
1720 * tree-outof-ssa.c: Same.
1721 * tree-ssa-structalias.c: Same.
1722 * tree-ssa-reassoc.c: Same.
1725 2006-11-16 Aldy Hernandez <aldyh@redhat.com>
1727 * tree.c (build2_stat): Fix comment.
1729 2006-11-13 Aldy Hernandez <aldyh@redhat.com>
1731 * tree-ssa-propagate.c (get_rhs): Use GIMPLE_MODIFY_STMT and
1732 TREE_OPERAND when appropriate.
1734 2006-11-04 Aldy Hernandez <aldyh@redhat.com>
1736 * java/java-tree.h (lang_tree_node): Handle gimple tuples.
1737 (EXPR_WFL_EMIT_LINE_NOTE): Look inside base.
1738 (EXPR_WFL_LINECOL): Use EXPR_LOCUS macro instead of exp.locus.
1739 * java/java-gimplify.c (java_gimplify_expr): Comment on why we do
1740 not handle GIMPLE_MODIFY_STMT in the switch statement.
1741 (java_gimplify_modify_expr): Call build2 with GIMPLE_MODIFY_STMT.
1742 (java_gimplify_new_array_init): Same.
1744 2006-11-03 Aldy Hernandez <aldyh@redhat.com>
1746 * gimplify.c (gimplify_omp_for): Allow gimple statements.
1747 * tree-outof-ssa.c (check_replaceable): Use PROTECTED_TREE_OPERAND.
1748 * fold-const.c (fold_binary): Allow gimple statements.
1750 * fortran/trans-array.c (gfc_conv_descriptor_data_set_internal):
1751 Rename from gfc_conv_descriptor_data_set.
1752 Call gfc_add_modify instead of gfc_add_modify_expr.
1753 * fortran/trans-array.h (gfc_conv_descriptor_data_set_internal):
1754 Rename from gfc_conv_descriptor_data_set.
1755 (gfc_conv_descriptor_data_set): New macro.
1756 (gfc_conv_descriptor_data_set_tuples): New macros.
1757 * fortran/trans-openmp.c (gfc_omp_clause_default_ctor): Call
1758 gfc_conv_descriptor_data_set_tuples.
1759 * fortran/trans.c (gfc_add_modify): Rename from gfc_add_modify_expr.
1760 Generate GIMPLE_MODIFY_STMT when appropriate.
1761 * fortran/trans.h (gfc_add_modify): Rename from gfc_add_modify_expr.
1762 (gfc_add_modify_expr): New macro.
1763 (gfc_add_modify_stmt): New macro.
1764 * fortran/f95-lang.c (lang_tree_node): Handle gimple statements.
1766 2006-11-01 Aldy Hernandez <aldyh@redhat.com>
1768 * Merge from mainline at revision 118200.
1770 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1772 * tree-inline.c (copy_bb): Check for GIMPLE_MODIFY_STMT, and adjust
1775 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1777 * tree.h (TREE_CHAIN, TREE_TYPE): Add versions for non GCC or not
1779 Also, add __extension__ to GCC versions.
1780 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1781 * tree-inline.c (copy_tree_r): Initialize chain to assuage the warning
1784 2006-10-05 Aldy Hernandez <aldyh@redhat.com>
1786 * tree-complex.c (expand_complex_libcall): Adjust for
1788 (expand_complex_comparison): Same.
1789 * tree-pretty-print.c (dump_generic_node): Is_expr should include
1790 GIMPLE_STMT_P statements.
1791 * value-prof.c (tree_divmod_fixed_value_transform): Adjust for
1793 (tree_mod_pow2_value_transform): Same.
1794 (tree_mod_subtract_transform): Same.
1795 * tree.c (build2_stat): Check for gimplified function in cfun.
1796 * tree.h (DECL_GIMPLIFIED): Delete.
1797 (struct tree_function_decl): Remove gimplified_flag.
1798 * omp-low.c (lower_omp_for): Adjust for GIMPLE_MODIFY_STMT.
1799 * cp/cp-gimplify.c (cp_gimplify_expr): Adjust for GIMPLE_MODIFY_STMT.
1800 (cxx_omp_clause_apply_fn): Adjust for GIMPLE_MODIFY_STMT.
1801 (cxx_omp_clause_copy_ctor): Same.
1802 (cxx_omp_clause_assign_op): Same.
1803 * c-pretty-print.c (pp_c_conditional_expression): Same.
1804 (pp_c_expression): Same.
1805 * langhooks.c (lhd_omp_predetermined_sharing): Same.
1806 * function.h (struct function): Add gimplified field.
1807 * tree-if-conv.c (add_to_dst_predicate_list): Adjust for
1809 (find_phi_replacement_condition): Same.
1810 * gimplify.c (gimplify_modify_expr_to_memcpy): Same.
1811 (gimplify_modify_expr_to_memset): Same.
1812 (gimplify_init_ctor_eval_range): Same.
1813 (gimplify_modify_expr_complex_part): Same.
1814 (tree_to_gimple_tuple): Same.
1815 (gimplify_modify_expr): Same.
1816 (gimple_push_cleanup): Same.
1817 (gimplify_omp_for): Same.
1818 (gimplify_omp_atomic_pipeline): Same.
1819 (gimplify_omp_atomic_mutex): Same.
1820 (gimplify_expr): Same.
1821 (gimplify_one_sizepos): Same.
1822 (gimplify_function_tree): Same.
1823 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Same.
1824 (vect_recog_widen_sum_pattern): Same.
1825 * tree-vect-transform.c (get_initial_def_for_reduction): Same.
1826 (vect_create_epilog_for_reduction): Same.
1827 (vectorizable_reduction): Same.
1829 2006-09-28 Aldy Hernandez <aldyh@redhat.com>
1831 * tree-ssa-math-opts.c (replace_reciprocal): Use GIMPLE_STMT_OPERAND.
1832 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p): Same.
1833 (ifc_temp_var): Same.
1834 * tree-vect-analyze.c (vect_determine_vectorization_factor): Check
1835 for gimple statements.
1836 (vect_analyze_operations): Same.
1837 (exist_non_indexing_operands_for_use_p): Use GIMPLE_STMT_OPERAND.
1838 * gimplify.c (gimplify_return_expr): Handle gimple statements.
1839 * lambda-code.c (can_put_in_inner_loop): Same.
1840 (can_put_after_inner_loop): Same.
1841 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
1842 (vect_create_data_ref_ptr): Same.
1843 (vect_init_vector): Same.
1844 (vect_get_vec_def_for_operand): Same.
1845 (vect_create_epilog_for_reduction): Same.
1846 (vectorizable_reduction): Same.
1847 (vectorizable_assignment): Same.
1848 (vectorizable_operation): Same.
1849 (vectorizable_load): Same.
1850 (vectorizable_condition): Same.
1851 * config/rs6000/rs6000.c (rs6000_va_start): Do not create MODIFY_EXPRs.
1852 (rs6000_gimplify_va_arg): Same.
1854 2006-09-25 Aldy Hernandez <aldyh@redhat.com>
1856 * tree-vrp.c (simplify_div_or_mod_using_ranges): Use
1857 GIMPLE_STMT_OPERAND.
1858 (simplify_abs_using_ranges): Same.
1859 * tree-complex.c (expand_complex_operations_1): Use
1860 PROTECTED_TREE_OPERAND.
1861 * tree-ssa-loop-niter.c (simplify_replace_tree): Check for gimple
1863 (get_val_for): Use GIMPLE_STMT_OPERAND.
1864 * tree-tailcall.c (adjust_accumulator_values): Same.
1865 (adjust_return_value): Same.
1866 * tree.c (walk_tree): Use IS_GIMPLE_STMT_CODE_CLASS on default
1867 case. Remove special case for tcc_gimple_stmt.
1868 * tree.h (CAN_HAVE_LOCATION_P): New.
1869 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Check for
1871 * tree-stdarg.c (va_list_counter_bump): Use GIMPLE_STMT_OPERAND.
1872 * tree-ssa-dom.c (propagate_rhs_into_lhs): Same.
1873 * tree-nrv.c (execute_return_slot_opt): Same.
1874 * tree-ssa-alias.c (count_uses_and_derefs): Check for GIMPLE_STMT_P.
1875 * tree-vn.c (set_value_handle): Same.
1876 (get_value_handle): Same.
1877 * c-decl.c (add_stmt): Use CAN_HAVE_LOCATION_P.
1878 * tree-vectorizer.c (find_loop_location): Same.
1879 * c-typeck.c (c_process_expr_stmt): Same.
1880 (c_finish_stmt_expr): Same.
1881 * gimplify.c (should_carry_locus_p): Same.
1882 (tree_to_gimple_tuple): Delete definition and use of unecessary
1883 variable save_tree_block.
1884 * tree-ssa-pre.c (phi_translate): Check for GIMPLE_STMT_P.
1885 (create_expression_by_pieces): Use GIMPLE_STMT_OPERAND.
1886 (realify_fake_stores): Same.
1887 * tree-ssa-forwprop.c (forward_propagate_addr_into_variable_arr):
1889 * tree-inline.c (copy_body_r): Check for EXPR_P and GIMPLE_STMT_P.
1890 (copy_tree_r): Check for IS_GIMPLE_STMT_CODE_CLASS.
1891 * tree-cfg.c (move_stmt_r): Use EXPR_P. Check for GIMPLE_STMT_P.
1892 * c-parser.c (c_parser_typeof_specifier): Use CAN_HAVE_LOCATION_P.
1893 (c_parser_statement_after_labels): Same.
1894 (c_parser_paren_condition): Same.
1895 (c_parser_for_statement): Same.
1896 (c_parser_omp_for_loop): Same.
1897 * tree-ssa-reassoc.c (linearize_expr): Use GIMPLE_STMT_OPERAND.
1898 (linearize_expr_tree): Same.
1899 * dwarf2out.c (reference_to_unused): Check for GIMPLE_STMT_P.
1900 * function.c (instantiate_expr): Same.
1902 2006-09-22 Aldy Hernandez <aldyh@redhat.com>
1904 * tree.c (expr_location): Use GIMPLE_STMT_LOCUS.
1905 (set_expr_location): Same.
1907 (set_expr_locus): Same.
1908 (expr_filename): Same.
1909 (expr_lineno): Same.
1910 (tree_block): Use GIMPLE_STMT_BLOCK.
1911 (protected_tree_operand): Use GIMPLE_STMT_OPERAND.
1912 * tree.h (struct gimple_stmt): Remove prev and next.
1913 (GIMPLE_STMT_OPERAND_CHECK): New.
1914 (TREE_TO_GIMPLE_STMT): Delete.
1915 (GIMPLE_STMT_TO_TREE): Delete.
1916 (GIMPLE_STMT_OPERAND): Use union, not cast.
1917 (GIMPLE_STMT_LOCUS): New.
1918 (GIMPLE_STMT_BLOCK): New.
1919 * gimplify.c (tree_to_gimple_tuple): Use union. Do not cast
1921 * tree-cfg.c (verify_gimple_tuples_1): Call gcc_unreachable.
1923 2006-09-21 Aldy Hernandez <aldyh@redhat.com>
1925 * tree-into-ssa.c (REGISTER_DEFS_IN_STMT): Change common.base
1927 * tree-tailcall.c (adjust_return_value): Same.
1928 * tree.c (tree_code_size): Remove GIMPLE_STATEMENT_LIST case.
1929 (copy_node_stat): Change common.base to base.
1930 (tree_node_structure): Return TS_GIMPLE_STATEMENT for tcc_gimple_stmt.
1931 Remove GIMPLE_STATEMENT_LIST case.
1932 * tree.h (struct gimple_stmt): Make operands of type tree.
1933 (TREE_CODE, TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
1934 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
1935 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
1936 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
1937 TYPE_CACHED_VALUES_P, TREE_SIDE_EFFECTS, FORCED_LABEL,
1938 TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
1939 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
1940 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN, TREE_USED,
1941 TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT, DECL_BY_REFERENCE,
1942 CALL_FROM_THUNK_P, TYPE_ALIGN_OK, TREE_PRIVATE, TREE_PROTECTED,
1943 TREE_DEPRECATED, IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
1944 TREE_LANG_FLAG_*, SSA_NAME_OCCURS_IN_ABNORMAL_PHI,
1945 SSA_NAME_IN_FREE_LIST, TYPE_VOLATILE, TYPE_READONLY, BINFO_VIRTUAL_P):
1946 Change common.base to base.
1947 (GIMPLE_STATEMENT_LIST*): Remove.
1948 (union tree_node): Add base. Remove gimple_statement_list.
1949 Remove pointer from gstmt.
1950 * tree-ssa-propagate.c (set_rhs): Change common.base to base.
1951 * treestruct.def: Add TS_BASE. Remove TS_GIMPLE_STATEMENT_LIST.
1952 * tree-vn.c (vn_compute): Change common.base to base.
1953 * tree-eh.c (verify_eh_throw_stmt_node): Same.
1954 * tree-flow-inline.h (var_ann): Same.
1955 (function_ann): Same.
1957 (mark_non_addressable): Same.
1958 * gimplify.c (tree_to_gimple_tuple): Same.
1959 * tree.def (DEFTREECODE): Remove GIMPLE_STATEMENT_LIST.
1960 * tree-dfa.c (create_var_ann): Change common.base to base.
1961 (create_function_ann): Same.
1962 (create_stmt_ann): Same.
1963 (create_tree_ann): Same.
1964 (collect_dfa_stats_r): Same.
1965 * tree-ssa-pre.c (NECESSARY): Change common.base to base.
1966 * tree-ssa-dce.c (NECESSARY): Same.
1967 * tree-ssa.c (delete_tree_ssa): Same.
1968 * tree-optimize.c (execute_free_cfg_annotations): Same.
1969 * tree-flow.h: Same.
1971 2006-09-19 Aldy Hernandez <aldyh@redhat.com>
1973 * tree.c (tree_code_size): Handle GIMPLE_STATEMENT_LIST.
1974 (tree_node_structure): Handle GIMPLE_STATEMENT_LIST and
1976 * tree.h (struct gimple_stmt): Add prev and next fields.
1977 (GIMPLE_STMT_TO_TREE): Cast, do not call GIMPLE_STMT_CHECK.
1978 (GIMPLE_STATEMENT_LIST_HEAD): New.
1979 (GIMPLE_STATEMENT_LIST_TAIL): New.
1980 (struct gimple_statement_list): New.
1981 (union tree_node): Add gimple_stmt_list and gstmt.
1982 * treestruct.def: Add TS_GIMPLE_STATEMENT_LIST, TS_GIMPLE_STATEMENT.
1983 * tree.def: Add GIMPLE_STATEMENT_LIST.
1985 2006-09-06 Aldy Hernandez <aldyh@redhat.com>
1987 * tree-dump.c (dequeue_and_dump): Handle GIMPLE_MODIFY_STMT.
1988 * tree-vrp.c (build_assert_expr_for): Change uses of
1989 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
1990 (find_assert_locations): Same.
1991 (remove_range_assertions): Same.
1992 (stmt_interesting_for_vrp): Same.
1993 (vrp_visit_assignment): Same.
1994 (vrp_visit_stmt): Same.
1995 (simplify_cond_using_ranges): Same.
1996 * tree-into-ssa.c (REGISTER_DEFS_IN_THIS_STMT): Adjust for new
1998 * tree-ssa-loop-im.c (movement_possibility): Change uses of
1999 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2001 (determine_invariantness_stmt): Same.
2002 (schedule_sm): Same.
2003 (gather_mem_refs_stmt): Same.
2004 * tree-complex.c (init_dont_simulate_again): Same.
2005 (complex_visit_stmt): Same.
2006 (set_component_ssa_name): Same.
2007 (expand_complex_move): Same.
2008 (expand_complex_div_wide): Same.
2009 (expand_complex_comparison): Same.
2010 (expand_complex_operations_1): Same.
2011 * tree-ssa-loop-niter.c (expand_simple_operations): Same.
2012 (chain_of_csts_start): Same.
2013 (infer_loop_bounds_from_undefined): Same.
2014 * tree-pretty-print.c (dump_generic_node): Same.
2016 (op_symbol_1): Same.
2017 * tree-ssa-loop-manip.c (create_iv): Same.
2018 * value-prof.c (tree_divmod_fixed_value): Same.
2019 (tree_divmod_fixed_value_transform): Same.
2020 (tree_mod_pow2): Same.
2021 (tree_mod_pow2_value_transform): Same.
2022 (tree_mod_subtract): Same.
2023 (tree_mod_subtract_transform): Same.
2024 (tree_divmod_values_to_profile): Same.
2025 * tree-tailcall.c (process_assignment): Same.
2026 (find_tail_calls): Same.
2027 (adjust_accumulator_values): Same.
2028 (adjust_return_value): Same.
2029 (eliminate_tail_call): Same.
2030 * tree.c (tree_code_size): Handle tcc_gimple_stmt.
2031 (make_node_stat): Same.
2032 (copy_node_stat): Handle gimple tuples.
2033 (expr_align): Handle GIMPLE_MODIFY_STMT. Abort on MODIFY_EXPR.
2034 (tree_node_structure): Handle tcc_gimple_stmt.
2035 (build2_stat): Abort on MODIFY_EXPR after gimplification. Handle
2037 (build2_gimple_stat): New.
2038 (expr_location): New.
2039 (set_expr_location): New.
2040 (expr_has_location): New.
2042 (set_expr_locus): New.
2043 (expr_filename): New.
2045 (walk_tree): Handle tcc_gimple_stmt.
2047 (protected_tree_operand): New.
2048 (protected_tree_type): New.
2049 (tree_code_kind): Add gimple statements.
2050 * tree.h (tree_code_class): Add tcc_gimple_stmt.
2051 (IS_GIMPLE_STMT_CODE_CLASS): New.
2052 (struct tree_base): New.
2053 (struct tree_common): Shrink.
2054 (struct gimple_stmt): New.
2055 (struct gimple_expr): New.
2056 (TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
2057 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
2058 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
2059 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
2060 TYPE_CACHED_VALUES_P, SAVE_EXPR_RESOLVED_P, TREE_SIDE_EFFECTS,
2061 FORCED_LABEL, TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
2062 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
2063 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN,
2064 TREE_USED, TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT,
2065 DECL_BY_REFERENCE, CALL_FROM_THUNK_P, TYPE_ALIGN_OK,
2066 TREE_PRIVATE, TREE_PROTECTED, TREE_DEPRECATED,
2067 IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
2068 TREE_LANG_FLAG_[0-6], SSA_NAME_CHECK, SSA_NAME_IN_FREE_LIST,
2069 TYPE_VOLATILE, TYPE_READONLY, TREE_VISITED, BINFO_VIRTUAL_P):
2070 Adjust for new `common' layout.
2071 (struct tree_function_decl): Add gimplified_flag.
2072 (DECL_GIMPLIFIED): NEW.
2073 (EXPR_LOCATION, SET_EXPR_LOCUS, EXPR_FILENAME, EXPR_LOCUS,
2074 SET_EXPR_LOCUS, SET_EXPR_LOCATION, EXPR_LINENO,
2075 EXPR_HAS_LOCATION): Call corresponding function.
2076 (GIMPLE_STMT_CHECK): New.
2077 (TREE_OPERAND_CHECK, TREE_TYPE, TREE_CHAIN): Abort on gimple tuples.
2078 (TREE_BLOCK): Call tree_block.
2079 (GIMPLE_STMT_P): New.
2080 (GIMPLE_TUPLE_P): New.
2081 (TREE_TO_GIMPLE_STMT): New.
2082 (GIMPLE_STMT_TO_TREE): New.
2083 (GIMPLE_STMT_OPERAND): New.
2084 (GIMPLE_TUPLE_HAS_LOCUS_P): New.
2085 (PROTECTED_TREE_OPERAND): New.
2086 (PROTECTED_TREE_TYPE): New.
2087 (build2_gimple_stat): Protoize.
2088 (build2_gimple): New.
2089 (expr_location): Protoize.
2090 (set_expr_location): Protoize.
2091 (expr_has_location): Protoize.
2092 (expr_locus): Protoize.
2093 (set_expr_locus): Protoize.
2094 (expr_filename): Protoize.
2095 (expr_lineno): Protoize.
2096 (tree_block): Protoize.
2097 (protected_tree_operand): Protoize.
2098 (protected_tree_type): Protoize.
2099 (enum tree_node_kind): Add gimple_stmt_kind.
2100 * c-decl.c (union lang_tree_node): Tuples do not have a
2102 * ipa-cp.c (constant_val_insert): Change uses of MODIFY_EXPR to
2103 GIMPLE_MODIFY_STMT and adjust accordingly.
2104 * tree-scalar-evolution.c (follow_ssa_edge): Same.
2105 (interpret_condition_phi): Same.
2106 (pointer_used_p): Same.
2107 (analyze_scalar_evolution_1): Same.
2108 (scev_const_prop): Same.
2109 (interpret_rhs_modify_stmt): Rename from
2110 interpret_rhs_modify_expr.
2111 * builtins.c (std_expand_builtin_va_start): Change uses of
2112 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2113 (std_gimplify_va_arg_expr): Same.
2114 (expand_builtin_va_copy): Same.
2115 (integer_valued_real_p): Same.
2116 * fold-const.c (maybe_lvalue_p): Same.
2118 (tree_expr_nonnegative_p): Same.
2119 (tree_expr_nonzero_p): Same.
2120 * omp-low.c (extract_omp_for_data): Same.
2121 (lower_rec_input_clauses): Same.
2122 (lower_reduction_clauses): Same.
2123 (lower_copyprivate_clauses): Same.
2124 (lower_send_clauses): Same.
2125 (lower_send_shared_vars): Same.
2126 (expand_parallel_call): Same.
2127 (expand_omp_parallel): Same.
2128 (expand_omp_for_generic): Same.
2129 (expand_omp_for_static_nochunk): Same.
2130 (expand_omp_for_static_chunk): Same.
2131 (expand_omp_sections): Same.
2132 (lower_omp_single_copy): Same.
2133 (lower_omp_parallel): Same.
2134 * tree-ssa-dse.c (memory_address_same): Same.
2135 (dse_optimize_stmt): Same.
2136 * ipa-reference.c (scan_for_static_refs): Same.
2137 * tree-gimple.c (is_gimple_reg_rhs): Same.
2138 (get_call_expr_in): Same.
2139 (recalculate_side_effects): Same.
2140 * cgraphunit.c (cgraph_create_edges): Same.
2141 * tree-ssa-copyrename.c (rename_ssa_copies): Same.
2142 * tree-ssa-ccp.c (get_default_value): Same.
2143 (likely_value): Same.
2144 (visit_assignment): Same.
2145 (ccp_visit_stmt): Same.
2146 (get_maxval_strlen): Same.
2147 (ccp_fold_builtin): Same.
2148 * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Same.
2149 (find_givs_in_stmt): Same.
2150 (find_interesting_uses_op): Same.
2151 (find_interesting_uses_stmt): Same.
2152 (rewrite_use_nonlinear_expr): Same.
2153 * ipa-pure-const.c (scan_function): Same.
2154 * tree-stdarg.c (va_list_counter_bump): Same.
2155 (check_all_va_list_escapes): Same.
2156 (execute_optimize_stdarg): Same.
2157 * tree-ssa-math-opts.c (compute_merit): Same.
2158 (insert_reciprocals): Same.
2159 (execute_cse_reciprocals): Same.
2160 * tree-ssa-dom.c (initialize_hash_element): Same.
2161 (simple_iv_increment_p): Same.
2162 (record_equivalences_from_stmt): Same.
2163 (optimize_stmt): Same.
2164 (remove_stmt_or_phi): Same.
2165 (get_rhs_or_phi_arg): Same.
2166 (get_lhs_or_phi_result): Same.
2167 (propagate_rhs_into_lhs): Same.
2168 * tree-nrv.c (tree_nrv): Same.
2169 (execute_return_slot_opt): Same.
2170 * tree-ssa-propagate.c (get_rhs): Same.
2172 (stmt_makes_single_load): Same.
2173 (stmt_makes_single_store): Same.
2174 (replace_vuses_in): Same.
2175 (fold_predicate_in): Same.
2176 (substitute_and_fold): Same.
2177 * tree-ssa-alias.c (compute_call_clobbered): Same.
2178 (recalculate_used_alone): Same.
2179 (count_uses_and_derefs): Same.
2180 (is_escape_site): Same.
2181 (find_used_portions): Same.
2182 * gimple-low.c (lower_stmt): Same.
2183 (block_may_fallthru): Same.
2184 (lower_return_expr): Same.
2185 * tree-ssa-sink.c (is_hidden_global_store): Same.
2186 (statement_sink_location): Same.
2187 * dwarf2out.c (loc_descriptor_from_tree_1): Same.
2188 * expr.c (safe_from_p): Same.
2189 (expand_expr_real): Same.
2190 (expand_expr_real_1): Same.
2191 * tree-ssa-loop-ivcanon.c (empty_loop_p): Same.
2192 * predict.c (expr_expected_value): Same.
2193 (strip_builtin_expect): Same.
2194 (apply_return_prediction): Same.
2195 (tree_bb_level_predictions): Same.
2196 (tree_estimate_probability): Same.
2197 * tree-vn.c (vn_compute): Same.
2198 * tree-eh.c (add_stmt_to_eh_region_fn): Same.
2199 (remove_stmt_from_eh_region_fn): Same.
2200 (do_return_redirection): Same.
2201 (honor_protect_cleanup_actions): Same.
2202 (lower_try_finally_switch): Same.
2203 (lower_eh_constructs_1): Same.
2204 (tree_could_throw_p): Same.
2205 (verify_eh_throw_stmt_node): Same.
2206 * function.c (gimplify_parameters): Same.
2207 * tree-vectorizer.c (vect_is_simple_use): Same.
2208 (vect_is_simple_reduction): Same.
2209 * ipa-type-escape.c (scan_for_refs): Same.
2210 * tree-if-conv.c (tree_if_conversion): Same.
2211 (tree_if_convert_stmt): Same.
2212 (if_convertible_gimplify_modify_stmt_p): Rename from
2213 if_convertible_modify_expr_p.
2214 (if_convertible_stmt_p): Adjust for GIMPLE_MODIFY_STMT.
2215 (ifc_temp_var): Same.
2216 (replace_phi_with_cond_modify_stmt): Rename from
2217 replace_phi_with_cond_modify_expr.
2218 (process_phi_nodes): Call replace_phi_with_cond_modify_stmt.
2219 * tree.def (DEFTREECODE): Add GIMPLE_MODIFY_STMT.
2220 * tree-data-ref.c (find_data_references_in_loop): Adjust for
2222 * tree-flow-inline.h (var_ann): Same.
2223 (function_ann): Same.
2225 (mark_non_addressable): Same.
2226 * tree-vect-analyze.c (vect_determine_vectorization_factor): Same.
2227 * gimplify.c (tree_to_gimple_tuple): New.
2228 (build_stack_save_restore): Adjust for GIMPLE_MODIFY_STMT.
2229 (gimplify_return_expr): Same.
2230 (gimplify_decl_expr): Same.
2231 (gimplify_self_mod_expr): Same.
2232 (gimplify_cond_expr): Same.
2233 (gimplify_init_constructor): Same.
2234 (gimplify_modify_expr): Same.
2235 (gimplify_expr): Same.
2236 (gimplify_function_tree): Same.
2237 (force_gimple_operand): Same.
2238 * tree-ssa-phiopt.c (conditional_replacement): Same.
2239 (minmax_replacement): Same.
2240 (abs_replacement): Same.
2241 * tree-dfa.c (create_var_ann): Same.
2242 (create_function_ann): Same.
2243 (create_stmt_ann): Same.
2244 (create_tree_ann): Same.
2245 (collect_dfa_stats_r): Same.
2246 * tree-ssa-pre.c (find_or_generate_expression): Same.
2247 (create_expression_by_pieces): Same.
2248 (try_look_through_load): Same.
2249 (insert_fake_stores): Same.
2250 (realify_fake_stores): Same.
2251 (compute_avail): Same.
2254 (poolify_modify_stmt): Rename from poolify_modify_stmt.
2255 Adjust for GIMPLE_MODIFY_STMT.
2256 (NECESSARY): Adjust for new `common' layout.
2257 * tree-ssa-live.c (build_tree_conflict_graph): Adjust for
2259 * tree-sra.c (sra_walk_modify_stmt): Rename from
2260 sra_walk_modify_expr.
2261 (sra_walk_function): Adjust for GIMPLE_MODIFY_STMT.
2262 (generate_copy_inout): Same.
2263 (generate_element_copy): Same.
2264 (generate_element_zero): Same.
2265 (scalarize_copy): Same.
2266 * tree-mudflap.c (mf_decl_cache_locals): Same.
2267 (mf_build_check_statement_for): Same.
2268 (mf_xform_derefs): Same.
2269 * ipa-prop.c (ipa_method_modify_stmt): Same.
2270 * print-tree.c (print_node): Handle gimple tuples.
2271 Add case for tcc_gimple_stmt.
2272 * tree-ssa-copy.c (stmt_may_generate_copy): Adjust for
2274 (copy_prop_visit_assignment): Same.
2275 (copy_prop_visit_stmt): Same.
2276 (init_copy_prop): Same.
2277 * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): Same.
2278 (forward_propagate_into_cond_1): Same.
2279 (find_equivalent_equality_comparison): Same.
2280 (tidy_after_forward_propagate_addr): Same.
2281 (forward_propagate_addr_expr_1): Same.
2282 (simplify_not_neg_expr): Same.
2283 (simplify_switch_expr): Same.
2284 * tree-ssa-dce.c (find_pdom): Same.
2285 (mark_stmt_if_obviously_necessary): Same.
2286 (NECESSARY): Adjust for new `common' layout.
2287 * tree-flow.h: Same.
2288 * tree-vect-patterns.c (widened_name_p): Adjust for
2290 (vect_recog_dot_prod_pattern): Same.
2291 (vect_recog_widen_sum_pattern): Same.
2292 (vect_pattern_recog_1): Same.
2293 * tree-nested.c (init_tmp_var): Same.
2294 (save_tmp_var): Same.
2296 (convert_call_expr): Same.
2297 (finalize_nesting_tree_1): Same.
2298 * tree-ssa.c (verify_ssa): Same.
2299 (delete_tree_ssa): Same.
2300 * lambda-code.c (lbv_to_gcc_expression): Same.
2301 (lle_to_gcc_expression): Same.
2302 (lambda_loopnest_to_gcc_loopnest): Same.
2303 (can_put_in_inner_loop): Same.
2304 (can_convert_to_perfect_nest): Same.
2305 (perfect_nestify): Same.
2306 * tree-ssa-loop-prefetch.c (gather_memory_references): Same.
2307 * tree-inline.c (copy_body_r): Same.
2308 (setup_one_parameter): Same.
2309 (initialize_inlined_parameters): Same.
2310 (estimate_num_insns_1): Same.
2311 (expand_call_inline): Same.
2312 (gimple_expand_calls_inline): Same.
2313 (copy_tree_r): Same.
2314 * tree-optimize.c (execute_free_cfg_annotations): Same.
2315 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
2316 (vect_align_data_ref): Same.
2317 (vect_create_data_ref_ptr): Same.
2318 (vect_init_vector): Same.
2319 (vect_create_epilog_for_reduction): Same.
2320 (vectorizable_reduction): Same.
2321 (vectorizable_assignment): Same.
2322 (vectorizable_operation): Same.
2323 (vectorizable_store): Same.
2324 (vectorizable_load): Same.
2325 (vectorizable_live_operation): Same.
2326 (vectorizable_condition): Same.
2327 (vect_generate_tmps_on_preheader): Same.
2328 (vect_create_cond_for_align_checks): Same.
2329 * tree-object-size.c (collect_object_sizes_for): Same.
2330 (check_for_plus_in_loops_1): Same.
2331 (check_for_plus_in_loops): Same.
2332 * tree-outof-ssa.c (insert_copy_on_edge): Same.
2333 (replace_use_variable): Same.
2334 (check_replaceable): Same.
2335 (rewrite_trees): Same.
2336 (identical_copies_p): Same.
2337 (insert_backedge_copies): Same.
2338 * tree-profile.c (tree_gen_edge_profiler): Same.
2339 * tree-vect-generic.c (expand_vector_operations_1): Same.
2340 * tree-ssa-structalias.c (update_alias_info): Same.
2341 (find_func_aliases): Same.
2342 * tree-cfg.c (factor_computed_gotos): Same.
2344 (make_goto_expr_edges): Same.
2345 (tree_merge_blocks): Same.
2346 (remove_useless_stmts_cond): Same.
2347 (remove_useless_stmts_1): Same.
2348 (tree_find_edge_insert_loc): Same.
2349 (verify_expr): Same.
2350 (gimplify_val): Same.
2351 (verify_gimple_tuples_1): New.
2352 (verify_gimple_tuples): New.
2353 (verify_stmts): Call verify_gimple_tuples.
2354 * tree-ssa-reassoc.c (get_rank): Adjust for GIMPLE_MODIFY_STMT.
2355 (get_unary_op): Same.
2356 (linearize_expr): Same.
2357 (get_single_immediate_use): Same.
2358 (negate_value): Same.
2359 (should_break_up_subtract): Same.
2360 (break_up_subtract): Same.
2361 (repropagate_negates): Same.
2362 (break_up_subtract_bb): Same.
2363 (reassociate_bb): Same.
2364 * config/i386/i386.c (ix86_va_start): Same.
2365 (ix86_gimplify_va_arg): Same.
2366 * stmt.c (expand_expr_stmt): Same.
2367 (warn_if_unused_value): Same.
2368 (expand_return): Same.
2369 * tree-ssanames.c (make_ssa_name): Same.
2370 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Same.
2371 * tree-ssa-operands.c (finalize_ssa_defs): Same.
2372 (add_virtual_operand): Same.
2373 (get_expr_operands): Same.
2374 (parse_ssa_operands): Same.
2375 (get_modify_stmt_operands): Rename from get_modify_expr_operands.
2377 2006-12-05 H.J. Lu <hongjiu.lu@intel.com>
2379 * config.host: Remove extra blank line.
2381 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
2383 * config.host (i[34567]86-*-*, x86-64-*-*): Use driver-i386.o only if
2384 target is also an x86 variant.
2386 2006-12-05 Richard Guenther <rguenther@suse.de>
2388 * config/i386/i386.c (ix86_builtin_vectorized_function): Declare.
2389 (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define.
2390 (ix86_builtin_vectorized_function): New function to vectorize
2393 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
2395 * config/bfin/bfin.c (output_file_start): Fix comment which referred to
2396 ia64_override_options.
2398 2006-12-04 Jan Hubicka <jh@suse.cz>
2400 * cfgexpand.c (expand_one_var): Guard expand_one_stack_var by
2403 2006-12-04 Bernd Schmidt <bernd.schmidt@analog.com>
2405 * rtlanal.c (note_uses): Deal with SEQUENCEs.
2406 * config/bfin/bfin.c: Include "timevar.h".
2407 (bfin_flag_schedule_insns2, splitting_for_sched,
2408 bfin_flag_var_tracking): New variables.
2409 (print_operand): Handle '%!'.
2410 (override_options): Disable normal sched2 pass, instead set
2411 bfin_flag_schedule_insns2 for reorg to handle it.
2412 (output_file_start): Likewise for var-tracking.
2413 (bfin_optimize_loop): Take some care not to stumble over SEQUENCEs.
2414 (gen_one_bundle, bfin_gen_bundles, type_for_anomaly, trapping_loads_p):
2416 (bfin_reorg): Do second scheduling pass here, and call
2417 bfin_gen_bundles. Use type_for_anomaly and trapping_loads_p instead
2418 of examining insns directly. If bfin_flag_var_tracking, call
2419 var-tracking pass when done with everything else.
2420 * config/bfin/bfin.h (PRINT_OPERAND_PUNCT_VALID_P): '!' is valid.
2421 * config/bfin/bfin.md (UNSPEC_32BIT): New constant.
2422 (movsi_insn32): New pattern, with two new splits to create it
2423 before the final scheduling pass.
2424 (neghi2): Not a dsp32 insn, rather alu0.
2425 (movbi, pushsi_insn, popsi_insn, movsi_insn, movv2hi_insn, movhi_insn,
2426 movqi_insn, movsf_insn, movsi_insv, extendhisi2, zero_extendhisi2,
2427 extendqihi2, extendqisi2, zero_extendqihi2, zero_extendqisi2,
2428 mulhisi3, umulhisi3, ssadsi3, sssubsi3, smaxsi3, sminsi3, abssi2,
2429 ssnegsi2, signbitssi2, smaxhi3, sminhi3, abshi2, ssneghi2, signbitshi2,
2430 movhi_low2high, movhi_high2high, movhi_low2low, movhi_high2low,
2431 movhiv2hi_low, movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
2432 ssaddhi3, sssubhi3, addv2hi3, ssaddv2hi3, subv2hi3, sssubv2hi3,
2433 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3, sublohiv2hi3,
2434 subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3, addlohiv2hi3,
2435 addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3, sminv2hi3, smaxv2hi3,
2436 flag_mulhi, flag_mulhisi, flag_mulhisi_parts, flag_machi,
2437 flag_machi_acconly, flag_macinithi, flag_macinit1hi, mulv2hi3,
2438 flag_mulv2hi, flag_mulv2hi_parts, flag_macv2hi_parts,
2439 flag_macv2hi_parts_acconly, flag_macinitv2hi_parts,
2440 flag_macinit1v2hi_parts, mulhisi_ll, mulhisi_lh, mulhisi_hl,
2441 mulhisi_hh, ssnegv2hi2, absv2hi2, ssashiftv2hi3, ssashifthi3,
2442 lshiftv2hi3, lshifthi3): Use '%!' to terminate all dsp32/load/store
2443 variants instead of ';'.
2444 (ror_one, rol_one): Likewise. Make them dsp32 insns.
2445 (ashlsi3_insn, ashrsi3, lshrsi3): Add dsp32 variants.
2446 (align8, align16, align24): Now named patterns; also using '%!'.
2449 2006-12-05 Kazu Hirata <kazu@codesourcery.com>
2451 * config/i386/darwin.h, config/spu/spu.c, tree-ssa-live.c,
2452 tree-vect-generic.c, tree-vect-transform.c: Fix comment typos.
2454 2006-12-04 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2456 * config/spu/spu-protos.c (spu_split_address): Add.
2457 * config/spu/spu.c (spu_split_address): Add.
2458 (print_operand): Handle HIGH.
2459 (spu_legitimate_address): Don't test for aligned CONST.
2460 (spu_expand_mov): Don't split addresses here.
2461 * config/spu/constraints.md (A): Don't test legitimate_const.
2462 * config/spu/spu.md: Add split of movsi patterns for PIC mode.
2463 (ceq_di): Use correct predicates.
2465 2006-12-04 Eric Christopher <echristo@apple.com>
2467 * config/darwin.h: Update copyright notice.
2468 * config/i386/darwin.h: Ditto.
2470 2006-12-04 Jan Hubicka <jh@suse.cz>
2472 * builtins.c (fold_builtin_memory_op): Check that expr_size match.
2473 * explow.c (expr_size, int_expr_size): Assert that size is non_NULL.
2475 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
2477 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Call
2479 * tree-ssa-structalias.c (set_used_smts): Export.
2480 (find_what_p_points_to): Don't call set_used_smts here.
2481 * tree-ssa-structalias.h (set_used_smts): Add prototype.
2483 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
2485 * tree-ssa-alias.c (compute_may_aliases):
2486 Compute flow sensitive before flow insensitive.
2487 (compute_flow_sensitive_aliasing): Don't try to add
2488 a symbol memory tag to itself.
2490 * alias.h (alias_set_subset_of): New prototype.
2492 * alias.c (alias_set_subset_of): New function.
2494 * tree-ssa-structalias.c: Update comments.
2495 (struct variable_info): Add finished_solution.
2496 (new_varinfo): Set finished solution to NULL.
2497 (var_escaped_vars): Remove.
2498 (escaped_vars_tree): Remove.
2499 (escaped_vars_id): Remove.
2500 (nonlocal_vars_id): Remove.
2501 (constraint_expr_type): Add INCLUDES.
2502 (graph_size): Removed.
2503 (dump_constraint): Support INCLUDES.
2504 (build_constraint_graph): Ditto.
2505 (collapse_nodes): Add merge_solutions argument.
2506 Don't merge attributes.
2507 (process_unification_queue): Just use collapse_nodes.
2508 (perform_var_substitution): Update call to collapse_nodes.
2509 (get_constraint_exp_from_ssa_var): Use INCLUDES.
2510 (process_constraint): Fix non-field sensitive handling
2512 (get_constraint_for): Use INCLUDES.
2513 (make_constraint_from_anything): Renamed from
2514 make_constraint_from_escaped.
2515 (make_constraint_to_escaped): Removed.
2516 (find_global_initializers): Removed.
2517 (create_variable_info_for): Do not make constraints to escaped
2519 (dump_solution_for_var): Don't print out the equivalent points-to
2520 sets, just use the name of the variable it shares it with.
2521 (intra_create_variable_infos): Use INCLUDES.
2522 Change nonlocal variable sets to anything sets.
2523 (init_base_vars): Remove escaped_vars and nonlocal_var
2525 (find_escape_constraints): Removed.
2526 (delete_points_to_sets): Remove dead code.
2527 (used_smt_calculated): New variable.
2528 (set_used_smts): New function.
2529 (merge_smts_into): New function.
2530 (find_what_p_points_to): Modify to use SMTs.
2531 (create_nonlocal_var): Remove.
2533 * tree-ssa-operands.c (access_can_touch_variable): Remove
2534 reference to nonlocal_all.
2536 * tree-ssa.c (verify_name_tags): Remove.
2538 2006-12-04 Carlos O'Donell <carlos@codesourcery.com>
2540 * config/arm/unwind-arm.c: Adjust __cxa_type_match declaration.
2541 (__gnu_unwind_pr_common): Pass is_reference to __cxa_type_match.
2543 2006-12-04 Andrew MacLeod <amacleod@redhat.com>
2545 * tree-outof-ssa.c (coalesce_ssa_name): Use calculate_live_ranges.
2546 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info): Update.
2547 (add_livein_if_notdef): Delete.
2548 (loe_visit_block): New. Propogate live on entry info for a block into
2549 each predecessor. If it changes, make sure it is visited again.
2550 (live_worklist): Visit every block and update the live on entry info
2551 for preds. Iterate over any that changed.
2552 (set_var_live_on_entry): Populate the live on entry blocks with bits
2553 based on the immediate uses of a var.
2554 (calculate_live_on_entry): Remove.
2555 (calculate_live_on_exit): Calculate live on exit based on the newly
2556 oriented live on entry bits.
2557 (calculate_live_ranges): Build live on entry and exit vectors.
2558 (dump_live_info): Use new orientation of live on entry bitmaps.
2559 (verify_live_on_entry): New. Split out verification code from old
2560 calculate_live_on_entry routine.
2561 * tree-ssa-live.h (struct tree_live_info_d): Add Working stack.
2562 (live_entry_blocks): Rename to live_on_entry and return bitmap for a
2563 basic_block instead of for a partition.
2564 (live_merge_and_clear): Add asserts.
2565 (make_live_on_entry): Set partition bit in basic block vector.
2567 2006-12-04 Jakub Jelinek <jakub@redhat.com>
2570 * omp-low.c (expand_omp_for_static_nochunk,
2571 expand_omp_for_static_chunk): Do all arithmetics in signed rather than
2575 * omp-low.c (determine_parallel_type): Don't try to optimize combined
2576 parallels if region->exit or region->inner->exit is NULL.
2577 (expand_omp_parallel): Handle NULL region->exit even if cfg is already
2579 (expand_omp_for_generic): Handle NULL region->cond and region->exit.
2580 (expand_omp_for): Use expand_omp_for_generic if either region->cond
2581 or region->exit is NULL.
2582 (expand_omp_sections): Handle NULL region->cond or region->exit.
2585 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2587 * config/sparc/sp64-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
2588 * config/sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
2590 2006-12-04 Eric Botcazou <ebotcazou@adacore.com>
2592 * tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
2593 TYPE_MAX_VALUE for scalar types here but...
2594 (walk_tree): ...there instead. Return NULL_TREE if the TYPE_DECL
2595 is attached an error mark, and the return value of the callback
2596 if it is not NULL_TREE.
2598 2006-12-04 Ben Elliston <bje@au.ibm.com>
2600 * config/spu/spu.md (_mulv4si3): Remove unused local variables.
2602 2006-12-03 Eric Christopher <echristo@apple.com>
2605 * config/t-slibgcc-darwin: Pass -install_name.
2606 * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
2607 libtool. Only pass through options that the linker recognizes.
2608 (LINK_SPEC): Update comment. Translate options.
2609 (STARTFILE_SPEC): Add dylib1.o for shared libraries.
2610 * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
2612 2006-12-03 Dorit Nuzman <dorit@il.ibm.com>
2614 * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
2616 2006-12-03 Uros Bizjak <ubizjak@gmail.com>
2619 * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
2620 operands[1] in insn constraint. Correct type attribute to sselog1.
2622 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
2625 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
2627 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
2628 processor detection.
2630 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
2631 -march=native if there is no -mtune=*.
2633 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
2636 2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2638 * doc/install.texi: Update recommended MPFR version. Remove
2639 obsolete reference to cumulative patch.
2641 2006-12-02 Lee Millward <lee.millward@codesourcery.com>
2644 * c-decl.c (store_parm_decls_oldstyle): Robustify.
2646 2006-11-30 Jan Hubicka <jh@suse.cz>
2647 Uros Bizjak <ubizjak@gmail.com>
2649 * config/i386/i386.c (pentium4_cost, nocona_cost): Update
2650 32bit memcpy/memset decriptors.
2651 (decide_alg): With -minline-all-stringops and sizes that are best
2652 to be copied via libcall still work hard enough to pick non-libcall
2655 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
2657 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
2659 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
2660 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
2661 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
2662 config/sh/sh4-300.md, config/spu/spu-builtins.def,
2663 config/spu/spu-c.c, config/spu/spu-modes.def,
2664 config/spu/spu.c, config/spu/spu.md,
2665 config/spu/spu_internals.h, config/spu/vmx2spu.h,
2666 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
2667 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
2668 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
2669 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
2670 spelling conventions.
2672 * config/i386/i386.c: Fix a comment typo.
2674 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2676 * config/spu/spu.c (spu_immediate): Remove trailing comma.
2677 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
2678 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
2679 better optimization.
2680 (floatv4siv4sf2): New.
2681 (fix_truncv4sfv4si2): New.
2682 (floatunsv4siv4sf2): New.
2683 (fixuns_truncv4sfv4si2): New.
2691 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
2692 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
2693 spu_resolve_overloaded_builtin instead of static inline functions.
2695 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
2697 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
2698 type instead of the size of its mode to compute the highest and
2699 lowest possible values. Still check the size of the mode before
2700 flipping the signedness of the comparison.
2702 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2704 * config/spu/predicates.md (spu_mov_operand): Add.
2705 * config/spu/spu.c (spu_expand_extv): Remove unused code.
2706 (print_operand_address, print_operand): Handle addresses containing AND.
2707 (spu_split_load, spu_split_store): Use updated movti pattern.
2708 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
2709 stores in mov patterns for correct operation of reload.
2710 (lq, lq_<mode>, stq, stq_<mode>): Remove.
2712 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2715 * c-common.c (check_main_parameter_types): Check for error_mark_node.
2717 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
2719 * common.opt (ftree-combine-temps): Remove.
2720 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
2721 (coalesce_ssa_name): Don't check for combine-temps.
2722 (coalesce_vars): Remove.
2723 (check_replaceable): Use num_imm_uses.
2724 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
2725 check for combine-temps.
2726 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
2727 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
2728 to register_ssa_partition calls.
2729 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
2730 (init_var_map, delete_var_map): remove refernces to ref_count.
2731 (create_ssa_var_map): Never calculate a ref count.
2732 (type_var_init): Remove.
2733 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
2734 (SSA_VAR_MAP_REF_COUNT): Delete.
2735 (create_ssa_var_map): Change Prototype to have no parameters.
2736 (version_ref_count): Delete.
2737 (register_ssa_partition): Remove 'is_use' paramater and don't set the
2739 (type_var_num, type_var, type_var_first_partition,
2740 type_var_next_partition, type_var_dump, type_var_delete,
2741 type_var_remove_partition, type_var_find, type_var_compact,
2742 type_var_decompact): Remove.
2744 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
2746 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
2749 2006-12-01 Richard Guenther <rguenther@suse.de>
2752 * dwarf2out.c (struct pubname_struct): Make name const.
2753 (add_pubtype): Do not xstrdup identifiers.
2755 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
2757 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
2758 multiword accesses are in range.
2760 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
2762 PR tree-optimization/29921
2763 * tree-ssa-ccp.c (canonicalize_float_value): New function.
2764 (set_lattice_value): Use canonicalize_float_value.
2766 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
2768 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
2769 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
2770 (spu_cpu_cpp_builtins): Remove.
2771 (spu_override_options): Don't set warn_main.
2772 (spu_force_reg): Move from spu-c.c.
2773 (spu_check_builtin_parm): Likewise.
2774 (expand_builtin_args): Likewise.
2775 (spu_expand_builtin_1): Likewise.
2776 (spu_expand_builtin): Likewise.
2777 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
2778 warn_main and targetm.resolve_overloaded_builtin.
2779 * config/spu/spu-c.c (spu_builtin_range): Remove.
2780 (spu_check_builtin_parm): Remove.
2781 (expand_builtin_args): Remove.
2782 (spu_expand_builtin_1): Remove.
2783 (spu_expand_builtin): Remove.
2784 (spu_cpu_cpp_builtins): Moved from spu.c
2785 (spu_force_reg): Remove.
2787 2006-12-01 Joseph Myers <joseph@codesourcery.com>
2788 David Edelsohn <edelsohn@gnu.org>
2791 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
2792 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
2793 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
2794 HARD_REGNO_NREGS_WITH_PADDING): Define.
2795 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
2796 HARD_REGNO_NREGS_WITH_PADDING): Define.
2797 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
2798 Use new macros to detect modes with holes; do not look at integer
2800 (subreg_offset_representable_p): Check for and disallow cases
2801 where the modes use different numbers of bits from registers.
2802 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
2803 constant for soft-float.
2804 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
2806 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
2807 in E500 double case.
2808 * config/rs6000/rs6000.md (movtf): Allow soft-float.
2809 (movtf_softfloat): New.
2811 2006-11-30 Richard Sandiford <richard@codesourcery.com>
2813 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
2814 simplify_gen_subreg.
2816 2006-11-30 Andrew Macleod <amacleod@redhat.com>
2818 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
2819 (COALESCE_HASH_FN): New. Define hash function.
2820 (partition_pair_map_hash): New. Hash value for a partition pair.
2821 (partition_pair_map_eq): New. Equality for hash pairs.
2822 (create_coalesce_list): Create hash table.
2823 (delete_coalesce_list): Free hash table.
2824 (find_partition_pair): Find/create pairs in hash table.
2825 (compare_pairs): Sort pairs in ascending order now.
2826 (num_coalesce_pairs): New. Number of pairs in hash table.
2827 (struct partition_pair_iterator): Iterator struct for pair table.
2828 (first_partition_pair): Iterator function for first pair.
2829 (end_partition_pair_p): Iterator function for end of iteration.
2830 (next_partition_pair): Iterator function for next pair.
2831 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
2832 (sort_coalesce_list): Sort pairs from hash table into an array.
2833 (pop_best_coalesce): Take pairs from the array.
2834 (dump_coalesce_list): Update to use hash table or sorted array.
2835 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
2836 (struct coalesce_list_d): Add hash table related fields.
2838 2006-11-30 Jan Hubicka <jh@suse.cz>
2841 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
2842 memmove/bcopy->memcpy conversion.
2844 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
2846 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
2847 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
2848 Default is the largest alignment supported for 32-bit ELF and
2849 representable on a 32-bit host.
2851 2006-11-30 Janis Johnson <janis187@us.ibm.com>
2853 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
2855 2006-11-30 Jan Hubicka <jh@suse.cz>
2857 * tree-ssa-operands.h (struct ssa_operands): New.
2858 * tree-flow-inline.h (gimple_ssa_operands): New function.
2859 * tree-flow.h: (struct gimple_df): Add ssa_operands.
2860 * Makefile.in: Remove gt-tree-ssa-operands.h
2861 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
2862 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
2863 operand_memory, operand_memory_index, ops_active): Remove statics.
2864 (ALLOC_OPTYPE): Update.
2865 (operand_build_sort_virtual): Update.
2866 (ssa_operands_active): Update.
2867 (init_ssa_operands): Update.
2868 (fini_ssa_operands): Update.
2869 (ssa_operand_alloc): Update.
2870 (INITIALIZE_USE): Update.
2871 (finalize_ssa_use_ops): Update.
2872 (finalize_ssa_v_may_def_ops): Update.
2873 (finalize_ssa_vuse_ops): Update.
2874 (finalize_ssa_v_must_def_ops): Update.
2876 2006-11-30 Richard Guenther <rguenther@suse.de>
2878 * tree-vectorizer.h (vectorizable_function): Export.
2879 * tree-vect-transform.c (vectorizable_function): Likewise.
2880 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
2881 type_in to scalar type in recognition of squaring.
2882 Make sure the target can vectorize sqrt in recognition
2883 of sqrt, set type_in to vector type in this case.
2885 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
2887 * config/i386/i386.md (R10_REG): New constant.
2888 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
2889 (ix86_emit_restore_regs_using_mov): Ditto.
2890 (ix86_expand_call): Ditto.
2891 (x86_output_mi_thunk): Ditto. Also use R10_REG.
2893 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
2895 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
2896 * alias.c (canon_true_dependence): Update comment.
2898 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
2900 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
2901 at the end of a diagnostics message.
2903 * alloc-pool.c (pool_free): Postpone clearing the pool entry
2904 until after asserting that it was allocated in the right pool.
2906 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
2907 successor edge information as well. Make output of live regs
2908 on exit consistent with live regs on entry.
2910 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
2913 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
2914 insn patterns for TARGET_80387.
2915 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
2916 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
2917 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
2918 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
2919 Generate truncxf<mode>2 insn patterns for strict SSE math.
2921 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
2923 * config/i386/i386.md (movsf_1): Enable pattern for standard
2924 80387 constants before reload when optimizing for size.
2925 (*movdf_nointeger, *movdf_integer): Ditto.
2926 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
2927 80387 constants before reload when not optimizing for size.
2929 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
2930 extension of XFmode input operands.
2932 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
2934 * config/spu/crt0.c (__dso_handle): Define.
2936 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
2938 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
2939 when clearing the used flags.
2941 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
2943 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
2945 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
2948 * config/spu/spu.md (extend_compare<mode>): New pattern.
2949 (extend_compare): Change to expand and use the above pattern.
2951 2006-11-29 Janis Johnson <janis187@us.ibm.com>
2953 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
2955 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
2956 (DFP_INIT_ROUNDMODE): Define.
2957 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
2958 * mklibgcc.in: Fix dependencies for dfp-bit.c.
2960 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
2962 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
2963 Update documentation.
2964 (associate_line_notes_with_blocks): Kill.
2965 (extend_bb): Remove basic block argument, put void instead.
2966 Remove line number handling for each bb.
2967 (save_line_notes): Kill.
2968 (restore_line_notes): Kill.
2969 (sched_init): Remove line_note_head initialization.
2970 Change extend_bb call.
2971 (sched_finish): Remove free of line_note_head.
2972 (add_block): Change extend_bb call.
2973 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
2974 rm_line_notes and restore_line_notes calls.
2975 (schedule_ebbs): Remove rm_redundant_line_notes.
2976 * sched-int.h (struct haifa_insn_data): Remove line_note.
2977 (save_line_notes): Remove declaration.
2978 (restore_line_notes): Remove declaration.
2979 * modulo-sched.c (loop_canon_p): Update debug info printing
2980 by using insn locators instead of line note.
2981 (sms_schedule): Update debug info printing, by using insn
2982 locators instead of line note.
2983 * sched-rgn.c (debug_dependencies): Remove handling of case
2984 n>0 (line number), since it's a dead code.
2985 (schedule_region): Remove save_line_notes and
2986 restore_line_notes calls.
2988 2006-11-29 Joseph Myers <joseph@codesourcery.com>
2990 * config/rs6000/predicates.md (gpc_reg_operand): Check
2991 invalid_e500_subreg.
2992 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
2993 SImode subregs of SPE vectors.
2994 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
2995 * jump.c (true_regnum): Require subregs to satisfy
2996 subreg_offset_representable_p.
2998 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
2999 Steven Bosscher <stevenb.gcc@gmail.com>
3001 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
3002 since it no longer exists.
3004 2006-11-29 Duncan Sands <baldrick@free.fr>
3006 PR tree-optimization/23744
3007 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
3009 2006-11-29 Duncan Sands <baldrick@free.fr>
3011 PR tree-optimization/23744
3012 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
3014 2006-11-29 Duncan Sands <baldrick@free.fr>
3016 PR tree-optimization/23744
3017 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
3019 2006-11-29 Jie Zhang <jie.zhang@analog.com>
3021 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
3023 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
3025 * sh.opt (minline-ic_invalidate): New option.
3026 (musermode): Adjust comment.
3027 * sh.c (sh_initialize_trampoline): Emit library call unless
3028 is set; if it is set, don't emit library call if we can use icbi
3030 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
3031 icbi for TARGET_SH4_300.
3032 * t-sh (LIB1ASMFUNCS_CACHE): Set.
3033 * doc/invoke.texi: Document -minline-ic_invalidate; Update
3034 -musermode documentation.
3036 2006-11-29 Jim Tison <jtison@us.ibm.com>
3038 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
3039 __gthread_recursive_mutex_init): Define.
3041 2006-11-29 Joseph Myers <joseph@codesourcery.com>
3043 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
3044 STRICT_ALIGNMENT and the type is more aligned than the saved
3045 registers, copy via a temporary.
3047 2006-11-28 Andrew Pinski <pinskia@gmail.com>
3050 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
3053 2006-11-28 Bob Wilson <bob.wilson@acm.org>
3055 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
3057 2006-11-28 Jan Hubicka <jh@suse.cz>
3059 Privatize SSA variables into gimple_df.
3060 * tree-flow-inline.h
3061 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
3062 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
3063 gimple_nonlocal_all): New accessors.
3064 (first_referenced_var): Update.
3065 (mark_stmt_modified): Update.
3066 (is_call_clobbered): Update.
3067 (mark_call_clobbered): Update.
3068 (clear_call_clobbered): Update.
3069 (mark_non_addressable): Update.
3070 * tree-vrp.c (get_value_range): Update.
3071 * tree-into-ssa.c (in_ssa_p): Kill.
3072 (get_default_def_for): Update.
3073 (rewrite_into_ssa): Update.
3074 * tree-complex.c (init_parameter_lattice_values): Update.
3075 (update_complex_assignment): Update.
3076 (update_parameter_components): Update.
3077 (expand_complex_libcall): Update.
3078 (expand_complex_operations_1): Update.
3079 * tree-tailcall.c (arg_needs_copy_p): Update.
3080 (add_virtual_phis): Update.
3081 (tree_optimize_tail_calls_1): Update.
3082 * tree-ssa-dse.c (memory_ssa_name_same): Update.
3083 * tree-ssa-copyrename.c
3084 (copy_rename_partition_coalesce): Update.
3085 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
3086 * tree-ssa-propagate.c (set_rhs): Update.
3087 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
3088 addressable_vars, global_var):Kill.
3089 (set_initial_properties): Update.
3090 (init_alias_info): Update.
3091 (finalize_ref_all_pointers): Update.
3092 (setup_pointers_and_addressables): Update.
3093 (maybe_create_global_var): Update.
3094 (create_global_var): Update.
3095 (dump_points_to_info): Update.
3096 * function.h (struct gimple_df): Forward declare.
3097 (struct function): Add GIMPLE_DF field.
3098 * gimplify.c (force_gimple_operand): Update.
3099 * tree-dfa.c (referenced_vars, default_defs): KIll.
3100 (make_rename_temp): Update.
3101 (dump_variable): Update.
3102 (referenced_var_lookup): Update.
3103 (referenced_var_check_and_insert): Update.
3104 (default_def): Rename to ...
3105 (gimple_default_def): ... this one; accept cfun argument.
3106 (set_default_def): Update.
3107 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
3108 (cleanup_control_flow): Update.
3109 * tree-ssa-pre.c (compute_avail): Update
3110 * tree-ssa-live.c (calculate_live_on_entry): Update.
3111 * tree-ssa.c (verify_use): Update.
3112 (verify_call_clobbering): Update.
3113 (verify_call_clobbering): Update.
3114 (init_tree_ssa): Update.
3115 (delete_tree_ssa): Update.
3116 * tree-outof-ssa.c (coalesce_ssa_name): Update.
3117 (rewrite_out_of_ssa): Update.
3118 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
3119 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
3121 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
3122 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
3123 addressable_vars, aliases_computed_p): Kill.
3124 (default_def): Rename to...
3125 (gimple_default_def): ... this one.
3126 (defaule_def_fn): Kill.
3127 (num_referenced_vars, ssa_names, num_ssa_names): Update.
3128 * tree-ssa-structalias.c (nonlocal_all): Kill.
3129 (get_constraint_exp_from_ssa_var): Update.
3130 (create_nonlocal_var): Update.
3131 (get_constraint_for): Update.
3132 (update_alias_info): Update.
3133 (find_global_initializers): Update.
3134 (intra_create_variable_infos): Update.
3135 (intra_create_variable_infos):
3136 (find_what_p_points_to): Update.
3137 (init_alias_heapvars): Update.
3138 * tree-cfg.c (remove_bb): Update.
3139 (gimplify_val): Update.
3140 * tree-ssa-reassoc.c (get_rank): Update.
3141 (init_reassoc): Update.
3142 * tree-ssanames.c: Do not include gt-tree-ssanames.h
3143 (ssa_names, free_ssanames): Kill.
3144 (init_ssanames): Update.
3145 (make_ssa_name): Update.
3146 (release_ssa_name): Update.
3147 (release_defs): Update.
3148 (replace_ssa_name_symbol): Update.
3149 * tree-ssa-operands.c (access_can_touch_variable): Update.
3150 (add_virtual_operand): Update.
3151 (add_call_clobber_ops): Update.
3152 (add_call_read_ops): Update.
3153 (get_call_expr_operands): Update.
3154 (get_asm_expr_operands): Update.
3156 2006-11-28 Jan Hubicka <jh@suse.cz>
3158 * builtins.c: Include tree-flow.h.
3159 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
3160 assignment; convert memmove to memcpy for sizes greater than 1 where
3161 alignment of operands prohibit the partial overlap.
3163 2006-11-28 Jan Hubicka <jh@suse.cz>
3165 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
3166 * cgraph.c (dump_cgraph_node): Dump stack usage.
3167 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
3168 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
3169 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
3170 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
3171 (cgraph_check_inline_limits): Limit stack growth.
3172 * cfgexpand.c: Include tree-inline.h.
3173 (account_stack_vars): New function.
3174 (expand_one_var): New param to just account the stack; return estimated
3176 (expand_used_vars_for_block): Update call of expand_one_var.
3177 (account_used_vars_for_block): New function.
3178 (estimated_stack_frame_size): Likewise.
3179 (init_vars_expansion, fini_vars_expansion): Break out from..
3180 (expand_used_vars): ... here.
3181 * tree-inline.h (estimated_stack_frame_size): Declare.
3182 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
3184 2006-11-28 Richard Guenther <rguenther@suse.de>
3186 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
3187 unsigned long for printing OBJECT_SIZE.
3189 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
3191 * alias.c (init_alias_analysis): Remove simplification loop
3192 after propagating pointers.
3194 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
3196 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
3199 2006-11-27 Bob Wilson <bob.wilson@acm.org>
3201 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
3203 2006-11-27 Roger Sayle <roger@eyesopen.com>
3204 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3206 * c-common.c (constant_fits_type_p): Delete.
3207 (unsigned_conversion_warning): Delete.
3208 (conversion_warning): Integrate Wconversion warning from
3209 unsigned_conversion_warning.
3210 (convert_and_check): Integrate Woverflow warning from
3211 unsigned_conversion_warning. Reorganize and simplify to avoid
3212 dependence upon the middle-end setting TREE_OVERFLOW on integral
3213 conversions, by using int_fits_type_p directly.
3215 2006-11-27 Tobias Burnus <burnus@net-b.de>
3217 * doc/invoke.texi: Fixed typo.
3219 2006-11-27 Michael Matz <matz@suse.de>
3220 Andreas Krebbel <krebbel1@de.ibm.com>
3223 * config/s390/predicates.md (larl_operand): Check addend of larl
3224 operand to be in range of -/+2GB.
3225 * config/s390/s390.c (legitimize_pic_address): Likewise.
3226 Changed type of variable even to HOST_WIDE_INT.
3228 2006-11-27 Jan Hubicka <jh@suse.cz>
3230 * expr.c (emit_block_move_via_libcall): Export.
3231 (clear_storage_via_libcall): Rename to ...
3232 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
3233 (clear_storage): Update to set_storage_via_libcall.
3234 * expr.h (emit_block_move_via_libcall): Declare
3235 * config/i386/i386.h (stringop_alg): New enum.
3236 (MAX_STRINGOP_ALGS): New constant.
3237 (stringop_algs): New struct.
3238 (processor_costs): Add memcpy/memset descriptors.
3239 (TARGET_REP_MOVEL_OPTIMAL): Remove.
3240 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
3241 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
3243 * config/i386/i386.opt (minline-stringops-dynamically,
3244 mstringop-strategy): New
3246 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
3247 (ix86_expand-clrmem): Rename to ...
3248 (ix86_expand_setmem): ... this one; update prototype.
3249 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
3250 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
3251 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
3252 nocona_cost, core2_cost, generic_cost, generic64_cost,
3253 generic32_cost): Add memcpy/memset descriptors.
3254 (x86_rep_movl_optimal): Remove.
3255 (stringop_alg): New static variable.
3256 (ix86_expand_aligntest): Handle predictions.
3257 (override_options): Add strgop_alg handling.
3258 (predict_jump): New function.
3259 (scale_counter): New function.
3260 (expand_set_or_movmem_via_loop): New function.
3261 (expand_movmem_via_rep_mov): New function.
3262 (expand_setmem_via_rep_stots): New function.
3263 (emit_strmov): New function.
3264 (expand_movmem_epilogue): New function.
3265 (expand_setmem_epilogue_via_loop): New function.
3266 (expand_setmem_epilogue): New function.
3267 (expand_movmem_prologue): New function.
3268 (expand_setmem_prologue): New function.
3269 (decide_alg): New function.
3270 (decide_alignment): New function.
3271 (ix86_exand_movmem): Rewrite.
3272 (promote_duplicated_reg): New function.
3273 (ix86_expand_clrmem): Rename to ...
3274 (ix86_expand_setmem): ... this one. Rewrite.
3276 * invoke.texi (minline-stringops-dynamically): New command line option.
3277 (mstringop-strategy): Likewise.
3279 2006-11-27 Jan Hubicka <jh@suse.cz>
3281 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
3282 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
3283 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
3284 * insn-notes.def (FUNCTION_END): Remove.
3285 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
3286 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
3288 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
3289 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
3290 * cfglayout.c (duplicate_insn_chain): Don't worry about
3293 2006-11-27 Richard Guenther <rguenther@suse.de>
3294 Zdenek Dvorak <dvorakz@suse.cz>
3296 * target.h (struct gcc_target): Add builtin_vectorized_function
3298 * target-def.h (TARGET_VECTORIZE): Likewise.
3299 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3300 Document new target hook.
3301 * targhooks.h (default_builtin_vectorized_function): Declare.
3302 * targhooks.c (default_builtin_vectorized_function): Define.
3303 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
3304 (vectorizable_call): Declare.
3305 * tree-vect-analyze.c (vect_analyze_operations): Call
3307 * tree-vect-transform.c (vectorizable_function): New static function.
3308 (build_vectorized_function_call): Likewise.
3309 (vectorizable_call): New function.
3310 (vect_transform_stmt): Handle vectorizable calls.
3312 2006-11-27 Richard Guenther <rguenther@suse.de>
3315 * builtins.c (expand_builtin_pow): Optimize non integer valued
3316 constant exponents using sqrt or cbrt if possible. Always fall back
3317 to expanding via optabs.
3319 2006-11-27 Ira Rosen <irar@il.ibm.com>
3321 PR tree-optimization/22372
3322 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
3323 the type of the base address.
3324 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
3325 it in the data-ref pointer creation.
3326 (vect_init_vector): Add an argument, type of the init vector. Use it in
3328 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
3329 (get_initial_def_for_reduction): Likewise.
3330 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
3332 (vectorizable_assignment, vect_permute_store_chain): Likewise.
3333 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
3334 correct type in stmt creation.
3335 (vect_setup_realignment): Use the correct type in stmt creation.
3336 (vect_permute_load_chain): Change type of MODIFY_EXPR to
3338 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
3339 of MODIFY_EXPR to void_type_node.
3340 (vectorizable_condition): Change type of MODIFY_EXPR to
3342 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
3345 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
3348 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3349 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3350 standard 80387 constants, raise the cost to prevent
3351 compress_float_constant() to generate load from memory.
3353 * config/i386/i386.md: Add new splitter pattern to split
3354 float_extended load of constant from constant pool into
3357 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3359 * doc/install.texi: Move GMP/MPFR configure options from Fortran
3360 section to general section. Remove documentation for
3361 --with-mpfr-dir and --with-gmp-dir, add documentation for
3362 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
3365 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
3367 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
3369 * testsuite/gcc.dg/ipa/ipa-6.c: New.
3371 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
3373 PR tree-optimization/29122
3374 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
3375 for the new version. Assign NULL to DECL_RTL of the new version.
3377 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
3379 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
3381 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
3383 * cse.c (cse_altered): Remove.
3384 (record_jump_equiv): Make true/false argument a bool instead
3386 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
3387 where appropriate. Emit a new jump before the existing one
3388 instead of after so that delete_insn_and_edges removes the
3389 dead edges properly. Check any_condjump_p before calling
3391 (cse_basic_block): Check any_condjump_p before calling
3393 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
3395 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
3397 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
3398 -ffixed-line-length-* options.
3400 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
3402 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
3403 (fprem1xf4): Rename to fprem1xf4_i387.
3405 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
3406 Rename patterns to fmod<mode>3. Use general_operand operand
3407 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
3408 patterns for SSE math.
3409 (remaindersf3, remainderdf3): Ditto.
3411 2006-11-25 Joseph Myers <joseph@codesourcery.com>
3413 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
3414 inside start_sequence / end_sequence pair.
3416 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
3418 * jump.c (mark_all_labels): Work in cfglayout mode.
3419 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
3420 when in cfglayout mode, because there are no dead jumptables
3422 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
3424 (commit_edge_insertions): Do not allow insertion of instructions
3425 with control flow insns when in cfglayout mode.
3427 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
3429 * tree-vrp.c (execute_vrp): Do not pass loops structure through
3431 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
3432 unswitch_loop): Ditto.
3433 * tree-loop-linear.c (linear_transform_loops): Ditto.
3434 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
3435 tree_ssa_lim): Ditto.
3436 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
3437 free_numbers_of_iterations_estimates): Ditto.
3438 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
3439 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
3440 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
3441 remove_path, add_loop, loopify, unloop, fix_loop_placements,
3442 place_new_loop, duplicate_loop, duplicate_subloops,
3443 update_single_exit_for_duplicated_loops, copy_loops_to,
3444 duplicate_loop_to_header_edge, create_preheaders,
3445 force_single_succ_latches, loop_version, fix_loop_structure):
3447 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
3448 tree_unroll_loop): Ditto.
3449 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3450 * tree-scalar-evolution.c (select_loops_exit_conditions,
3451 scev_initialize, scev_analysis): Ditto.
3452 * tree-scalar-evolution.h (scev_initialize): Ditto.
3453 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
3454 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
3455 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
3456 * modulo-sched.c (sms_schedule): Ditto.
3457 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
3458 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
3459 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
3460 * ifcvt.c (if_convert): Ditto.
3461 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
3462 canonicalize_loop_induction_variables,
3463 canonicalize_induction_variables,
3464 tree_unroll_loops_completely, remove_empty_loops): Ditto.
3465 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
3466 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
3467 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
3468 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
3469 tree_ssa_loop_done): Ditto.
3470 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
3471 estimate_bb_frequencies): Ditto.
3472 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
3473 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
3474 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
3475 decide_unrolling_and_peeling, peel_loop_completely,
3476 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
3477 peel_loop_simple, unroll_loop_stupid): Ditto.
3478 * loop-doloop.c (doloop_optimize_loops): Ditto.
3479 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
3480 * loop-invariant.c (move_loop_invariants): Ditto.
3481 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
3482 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
3483 tree_ssa_prefetch_arrays): Ditto.
3484 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
3486 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
3487 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
3488 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
3489 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
3490 verify_loop_structure): Ditto.
3491 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
3492 canonicalize_induction_variables, tree_unroll_loops_completely,
3493 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
3494 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
3495 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
3496 tree_unroll_loop, linear_transform_loops): Declaration changed.
3497 * basic-block.h: Remove declaration of struct loops.
3498 * cfghooks.h (struct cfg_hooks): Change type of
3499 cfg_hook_duplicate_loop_to_header_edge.
3500 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
3501 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
3502 vect_transform_loop): Declaration changed.
3503 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
3504 * cfgloop.h (flow_loops_dump, fix_loop_structure,
3505 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
3506 cancel_loop_tree, create_preheaders, force_single_succ_latches,
3507 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
3508 loopify, loop_version, remove_path, unswitch_loops,
3509 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
3510 Declaration changed.
3512 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
3514 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
3515 (X87MODEF): New mode macro.
3516 (ssemodefsuffix): New mode attribute.
3517 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
3518 (sqrt_extend<mode>xf2_i387): New insn pattern.
3519 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
3520 insn and truncate result back to original mode using
3521 UNSPEC_TRUNC_NOOP truncation.
3522 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
3523 ssemodefsuffix mode attribute.
3524 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
3525 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
3526 (*sqrtextenddfxf2_i387): Remove insn patterns.
3528 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
3529 truncation patterns.
3531 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
3533 2006-11-24 Jakub Jelinek <jakub@redhat.com>
3536 * c-tree.h (c_maybe_initialize_eh): New prototype.
3537 * c-decl.c (finish_decl): Move EH initialization...
3538 (c_maybe_initialize_eh): ... here. New function.
3539 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
3540 if not #pragma omp atomic.
3543 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
3544 or UNION_TYPE inner types.
3546 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
3549 * ipa-pure-const.c (check_tree): If the original tree
3550 is volatile return early and say the function is not pure
3551 nor const. Remove the volatile check for writes.
3552 (analyze_function): Print out the result of the local
3555 2006-11-24 Joseph Myers <joseph@codesourcery.com>
3557 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
3559 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
3560 * config/rs6000/rs6000.c (rs6000_override_options): Use
3561 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
3564 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
3566 * config/s390.c (s390_emit_compare_and_swap): New function.
3567 (s390_expand_cs_hqi, s390_expand_atomic): Call
3568 s390_emit_compare_and_swap.
3570 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3572 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
3574 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3578 * c-common.c (conversion_warning): New.
3579 (convert_and_check): Call conversion_warning unless there is an
3581 * doc/invoke.texi (-Wconversion): Update description.
3583 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
3585 * tree-ssa-alias.c (tree_pointer_compare): New function.
3586 (compact_name_tags): New function.
3587 (group_aliases): Call compact_name_tags.
3589 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3591 * real.h (real_isinteger): Declare.
3592 * real.c (real_isinteger): Define.
3593 * builtins.c (integer_valued_real_p): Use it.
3595 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3598 * c.opt (Wtraditional-conversion): New.
3599 (Wconversion): Update description.
3600 * c-typeck.c (convert_arguments): Warnings for prototypes causing
3601 type conversions different from what would happen in the absence
3602 of prototype are now handled by Wtraditional-conversion.
3603 * doc/invoke.texi (Wtraditional-conversion): New.
3604 (Wconversion): Update description.
3605 * doc/trouble.texi (Wconversion): Replace Wconversion by
3606 Wtraditional-conversion.
3608 2006-11-23 Andrew Pinski <pinskia@gmail.com>
3610 * predict.c (tree_estimate_probability): Check to make
3611 sure current_loops is non null before calling flow_loops_dump.
3613 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
3615 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
3617 2006-11-23 David Ung <davidu@mips.com>
3619 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
3621 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
3622 (ASM_SPEC): Pass along -mfp32 and -mfp64.
3623 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
3624 high part of FP register when in 64-bit FP register mode. Similarly
3625 use gen_mfhc1 to load high part of FP register.
3626 (override_options): Allow -mgp32 and -mfp64 combination if
3627 ISA_HAS_MXHC1 (currently for O32 only).
3628 (mips_cannot_change_mode_class): If floating-point registers are
3629 bigger than word size. disallow conversion of float register from a
3630 large integer mode to a float mode smaller than the float register
3632 (mips_class_max_nregs): Handle float registers case seperately.
3633 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
3635 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
3636 (movdf_hardfloat_32bit): Similarly.
3637 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
3638 support a full 64-bit fpu.
3639 (mthc1): New pattern to generate MTHC1 instruction.
3640 (mfhc1): New pattern to generate MFHC1 instruction.
3641 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
3642 option for the MIPS32R2 and mention its use under O32 ABI.
3644 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
3646 * var-tracking.c (emit_note_insn_var_location): Take care not to
3647 cause verify_flow_info failures.
3649 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
3651 * tree-ssa-structalias.c: Remove edge weights in favor of just
3652 processing them as complex constraints.
3653 (struct constraint_graph): Remove weighted succs and preds. Rename
3654 nonweighted succs and preds.
3655 (constraint_edge): Removed.
3656 (constraint_edge_t): Ditto.
3657 (constraint_edge_pool): Ditto.
3658 (new_constraint_edge): Ditto.
3659 (constraint_edge_equal): Ditto.
3660 (constraint_edge_less): Ditto.
3661 (constraint_edge_vec_find): Ditto.
3662 (erase_self_graph_edge): Ditto.
3663 (add_graph_edge): Removed.
3664 (get_graph_weights): Ditto.
3665 (allocate_graph_weights): Ditto.
3666 (valid_weighted_graph_edge): Ditto
3667 (bitmap_other_than_zero_bit_set): Ditto.
3668 (int_add_graph_edge): Renamed to add_graph_edge.
3669 (clear_edges_for_node): Remove support for weighted edges.
3670 (merge_graph_nodes): Ditto.
3671 (valid_graph_edge): Ditto.
3672 (build_constraint_graph): Ditto.
3674 (collapse_nodes): Ditto.
3675 (process_unification_queue): Ditto.
3676 (topo_visit): Ditto.
3677 (do_ds_constraint): Ditto.
3678 (perform_var_subsitution): Ditto.
3679 (solve_graph): Ditto.
3680 (init_alias_vars): Ditto.
3681 (delete_points_to_sets): Ditto.
3682 (do_complex_constraint): Support offsetted copies here.
3684 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
3686 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
3688 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
3690 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
3693 2006-11-23 Ben Elliston <bje@au.ibm.com>
3695 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
3697 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
3699 PR tree-optimization/29921
3700 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
3701 signed and unsigned zero equal.
3703 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
3705 * config/rs6000/rs6000.c (get_store_dest): New.
3706 (adjacent_mem_locations): Use get_store_dest() to get
3707 the rtl of the store destination.
3709 2006-11-22 Joseph Myers <joseph@codesourcery.com>
3711 * config/rs6000/spe.md (SPE64): New mode macro.
3712 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
3714 (mov_si<mode>_e500_subreg0_2): New.
3715 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
3717 (mov_si<mode>_e500_subreg4_2): New.
3718 * config/rs6000/predicates.md (input_operand): Do not allow
3719 invalid E500 subregs.
3720 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
3722 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
3723 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
3724 involving vector modes if TARGET_SPE.
3726 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
3729 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
3730 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
3732 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
3734 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
3735 mem_i_address_operand): New predicates.
3736 * config/bfin/bfin.c (bfin_issue_rate): New function.
3737 (TARGET_SCHED_ISSUE_RATE): New macro.
3738 * config/bfin/bfin.md (addrtype): New attribute.
3739 (slot0, slot1, slot2, store, pregs): New cpu_units.
3740 (core): Now a define_reservation.
3741 (alu): Remove some insn types from this reservation.
3742 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
3744 (dummy reservation): Don't trigger for mcld insns.
3745 (absence_sets): Two new absence sets to enforce slot ordering.
3746 (popsi_insn): Set addrtype.
3748 2006-11-22 Ira Rosen <irar@il.ibm.com>
3750 * doc/c-tree.texi: Document new tree codes.
3751 * doc/md.texi: Document new optabs.
3752 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
3754 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
3755 * optabs.h (optab_index): Add new.
3756 (vec_extract_even_optab, vec_extract_odd_optab,
3757 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
3758 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
3759 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
3761 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
3762 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
3763 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
3764 along with macros for their access.
3765 * tree-data-ref.h (first_location_in_loop, data_reference): Update
3767 * tree-vect-analyze.c (toplev.h): Include.
3768 (vect_determine_vectorization_factor): Fix indentation.
3769 (vect_insert_into_interleaving_chain,
3770 vect_update_interleaving_chain, vect_equal_offsets): New functions.
3771 (vect_analyze_data_ref_dependence): Add argument for interleaving
3772 check. Check for interleaving if it's true.
3773 (vect_check_dependences): New function.
3774 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
3775 every ddr. Call vect_analyze_data_ref_dependence with new argument.
3776 (vect_update_misalignment_for_peel): Update for interleaving.
3777 (vect_verify_datarefs_alignment): Check only first data-ref for
3779 (vect_enhance_data_refs_alignment): Update for interleaving. Check
3780 only first data-ref for interleaving.
3781 (vect_analyze_data_ref_access): Check interleaving, update
3783 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
3784 with different parameters.
3785 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
3786 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
3787 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
3788 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
3789 Update step in case of interleaving.
3790 (vect_strided_store_supported, vect_permute_store_chain): New
3792 (vectorizable_store): Handle strided stores.
3793 (vect_strided_load_supported, vect_permute_load_chain,
3794 vect_transform_strided_load): New functions.
3795 (vectorizable_load): Handle strided loads.
3796 (vect_transform_stmt): Add argument. Handle strided stores. Check
3797 that vectorized stmt exists for patterns.
3798 (vect_gen_niters_for_prolog_loop): Update calculation for
3800 (vect_transform_loop): Remove stmt_vec_info for strided stores after
3801 whole chain vectorization.
3802 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
3803 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
3804 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
3805 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
3806 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
3808 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
3810 * cse.c (enum taken): Remove PATH_AROUND.
3811 (addr_affects_sp_p, invalidate_skipped_set,
3812 invalidate_skipped_block): Remove.
3813 (cse_end_of_basic_block): Remove skip_blocks and related code.
3814 (cse_main): Don't test for flag_cse_skip_blocks.
3815 Update cse_end_of_basic_block call.
3816 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
3817 code to lengthen the path if a jump was simplified.
3819 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
3821 PR rtl-optimization/29924
3822 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
3823 (unroll_loop_runtime_iterations): Assert that the argument passed to
3824 split_edge_and_insert is not NULL.
3825 * loop-doloop.c (add_test): Ditto.
3827 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
3829 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
3831 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
3832 * cfgloopmanip.c (update_single_exits_after_duplication,
3833 update_single_exit_for_duplicated_loop, loop_version): Ditto.
3834 * tree-scalar-evolution.c (get_loop_exit_condition,
3835 get_exit_conditions_rec, loop_closed_phi_def,
3836 number_of_iterations_in_loop, scev_const_prop): Ditto.
3837 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
3838 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
3840 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
3842 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
3843 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
3844 slpeel_make_loop_iterate_ntimes,
3845 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
3846 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
3848 * tree-if-conv.c (if_convertible_loop_p): Ditto.
3849 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
3850 vect_analyze_loop_form): Ditto.
3851 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
3852 can_convert_to_perfect_nest, perfect_nestify): Ditto.
3853 * tree-vect-transform.c (vect_create_epilog_for_reduction,
3854 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
3855 vect_transform_loop): Ditto.
3856 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
3857 (single_exit, set_single_exit): New functions.
3858 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
3859 (single_exit, set_single_exit): Declare.
3860 * doc/loop.texi: Undocument single_exit field. Document single_exit
3863 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
3865 PR tree-optimization/29902
3866 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
3867 any involved ssa name appears in abnormal phi node.
3869 2006-11-21 Bob Wilson <bob.wilson@acm.org>
3871 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
3872 (xtensa_const_ok_for_letter_p): Delete.
3873 (xtensa_extra_constraint): Delete.
3874 (override_options): Delete xtensa_char_to_class initialization.
3875 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
3876 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3877 (EXTRA_CONSTRAINT): Delete.
3878 * config/xtensa/xtensa.md: Include constraints.md.
3879 (call_internal): Combine alternatives.
3880 (call_value_internal): Likewise, and remove invalid constraints.
3881 * config/xtensa/constraints.md: New file.
3882 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
3883 (xtensa_extra_constraint): Delete.
3884 * doc/md.texi (Machine Constraints): Refer to constraints.md for
3887 2006-11-21 Janis Johnson <janis187@us.ibm.com>
3889 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
3890 of conversion that doesn't fit.
3892 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
3893 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
3894 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
3896 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
3898 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
3900 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
3902 2006-11-21 Richard Guenther <rguenther@suse.de>
3904 * tree-vectorizer.h (NUM_PATTERNS): Increase.
3905 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
3906 vect_recog_pow_pattern.
3907 (vect_recog_pow_pattern): New function.
3909 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
3911 * config/bfin/bfin.opt (mstack-check-l1): New.
3912 * doc/invoke.texi (Blackfin Options): Document it.
3913 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
3914 stack bounds in L1 memory if the new option is enabled.
3915 (override_options): Don't allow combinations of -fstack-limit and
3917 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
3920 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
3922 (bfin_register_move_cost): Bump costs if trying to move plain
3923 integer values through accumulators.
3925 2006-11-21 Ben Elliston <bje@au.ibm.com>
3927 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
3929 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
3930 Russell Olsen <Russell_Olsen@playstation.sony.com>
3931 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
3932 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
3933 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
3934 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
3935 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
3937 * config.gcc: Add target for SPU.
3938 * config/spu/constraints.md: New file.
3939 * config/spu/crt0.c: New file.
3940 * config/spu/crtend.c: New file.
3941 * config/spu/crti.asm: New file.
3942 * config/spu/crtn.asm: New file.
3943 * config/spu/float_unsdidf.c: New file.
3944 * config/spu/float_unssidf.c: New file.
3945 * config/spu/predicates.md: New file.
3946 * config/spu/spu-builtins.def: New file.
3947 * config/spu/spu-builtins.h: New file.
3948 * config/spu/spu-builtins.md: New file.
3949 * config/spu/spu-c.c: New file.
3950 * config/spu/spu-elf.h: New file.
3951 * config/spu/spu-modes.def: New file.
3952 * config/spu/spu-protos.h: New file.
3953 * config/spu/spu.c: New file.
3954 * config/spu/spu.h: New file.
3955 * config/spu/spu.md: New file.
3956 * config/spu/spu.opt: New file.
3957 * config/spu/spu_internals.h: New file.
3958 * config/spu/spu_intrinsics.h: New file.
3959 * config/spu/spu_mfcio.h: New file.
3960 * config/spu/t-spu-elf: New file.
3961 * config/spu/vec_types.h: New file.
3962 * config/spu/vmx2spu.h: New file.
3963 * doc/contrib.texi: Document SPU contributor.
3964 * doc/extend.texi: Document SPU extensions.
3965 * doc/invoke.texi: Document SPU options.
3966 * doc/md.texi: Document SPU constraints.
3968 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
3970 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
3972 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
3974 (flow_loop_dump): Do not dump loop level.
3975 (flow_loops_find): Do not call flow_loops_level_compute.
3976 * cfgloop.h (struct loop): Remove level field.
3978 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
3980 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
3981 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
3982 Use vector of edges instead of array.
3983 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
3984 estimate_numbers_of_iterations_loop): Ditto.
3985 * predict.c (predict_loops): Ditto.
3986 * loop-unroll.c (analyze_insns_in_loop): Ditto.
3987 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
3989 * basic-block.h: Declare heap allocation for edge vectors.
3990 * tree-outof-ssa.c: Ditto.
3991 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
3992 * cfgloop.h (get_loop_exit_edges): Declaration changed.
3994 2006-11-20 Zack Weinberg <zackw@panix.com>
3996 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
3997 Add another out parameter, "skip".
3998 (set_gc_used_type): Adjust calls to process_gc_options. If a field
3999 is tagged "skip", do not mark its type used.
4001 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
4004 * tree-sra.c (single_scalar_field_in_record_p): New function.
4005 (decide_block_copy): Use it.
4007 2006-11-20 David Daney <ddaney@avtrex.com>
4009 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
4010 PC to point to following instruction.
4012 2006-11-20 Anatoly Sokolov <aesok@post.ru>
4016 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
4018 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
4020 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
4022 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4023 Add sh/superh.h to tm_file.
4025 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
4026 Mark Mitchell <mark@codesourcery.com>
4028 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
4030 (cpp_relocated): New function.
4031 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
4033 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
4034 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
4035 replace configured prefix with gcc_exec_prefix.
4037 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
4039 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
4040 bfin_legitimate_constant_p.
4041 * config/bfin/bfin.md (movsi expander): Check return value of
4043 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
4044 (expand_move): Adjust prototype.
4045 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
4046 invalid constants specially.
4047 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
4049 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
4051 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
4052 sibcall_value_symbol): Allow these patterns if
4053 TARGET_LEAF_ID_SHARED_LIBRARY.
4054 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
4055 (override_options): Turn on id shared library flags if -msep-data,
4056 but disallow the combination of these options on the command line.
4057 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
4058 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
4059 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
4060 -mid-shared-library.
4061 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
4062 * doc/invoke.texi (Blackfin Options): Document new switches.
4064 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
4065 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
4067 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
4068 inflate costs for addresses with an out-of-bounds address.
4070 2006-11-19 Andrew Pinski <pinskia@gmail.com>
4073 * fwprop.c (loops): Remove.
4074 (forward_propagate_into): Use current_loops instead of
4076 (fwprop_init): Call loop_optimizer_init instead of
4078 (fwprop_done): Call loop_optimizer_finalize instead of
4080 (fwprop): Use current_loops instead of loops.
4082 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
4085 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
4087 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4090 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
4091 larger than BITS_PER_WORD.
4093 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4097 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
4098 to MAX_FIXED_MODE_SIZE.
4100 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4102 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
4103 (fold_builtin_fmin_fmax): New.
4104 (fold_builtin_1): Use it.
4106 * fold-const.c (fold_strip_sign_ops): Handle copysign.
4108 2006-11-18 Richard Guenther <rguenther@suse.de>
4110 * config/i386/i386.c (ix86_builtins): New array for ix86
4111 builtin function decls.
4112 (def_builtin): New function.
4113 (def_builtin_const): Likewise.
4114 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
4116 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
4118 * doc/invoke.texi (core2): Add item.
4120 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
4122 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
4123 (TARGET_CPU_DEFAULT_generic): Change value.
4124 (TARGET_CPU_DEFAULT_NAMES): Add core2.
4125 (processor_type): Add new constant PROCESSOR_CORE2.
4127 * config/i386/i386.md (cpu): Add core2.
4129 * config/i386/i386.c (core2_cost): New initialized variable.
4130 (m_CORE2): New macro.
4131 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
4132 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
4133 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
4134 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4135 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4136 x86_accumulate_outgoing_args, x86_prologue_using_move,
4137 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
4138 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
4139 x86_use_incdec, x86_four_jump_limit, x86_schedule,
4140 x86_pad_returns): Add m_CORE2.
4141 (override_options): Add entries for Core2.
4142 (ix86_issue_rate): Add case for Core2.
4144 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
4146 * doc/invoke.texi: Fix mno-isel typo.
4148 2006-11-18 Joseph Myers <joseph@codesourcery.com>
4150 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
4151 easy vector constant loads.
4153 2006-11-18 Joseph Myers <joseph@codesourcery.com>
4155 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
4156 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4157 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
4158 * config/rs6000/sync.md (lwsync): Emit plain sync if
4161 2006-11-17 DJ Delorie <dj@redhat.com>
4163 * reload1.c (reloads_unique_chain): New.
4164 (reloads_conflict): Call it.
4166 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4168 * config/xtensa/predicates.md (addsubx_operand): New.
4169 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
4170 (xtensa_emit_bit_branch): New.
4171 (xtensa_emit_movcc): New.
4172 * config/xtensa/xtensa.md (any_minmax): New code macro.
4173 (minmax): New code attribute.
4174 (any_cond, any_scc, any_scc_sf): New code macros.
4175 (*addx2, *addx4, *addx8): Delete.
4177 (*subx2, *subx4, *subx8): Delete.
4179 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
4180 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
4181 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
4182 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
4183 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
4184 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
4185 (movsfcc_internal0, movsfcc_internal1): Likewise.
4186 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
4187 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
4188 (xtensa_emit_bit_branch): New.
4189 (xtensa_emit_movcc): New.
4190 (function_arg_boundary): Add missing prototype.
4192 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4194 * config/xtensa/xtensa.md (tstsi): Delete
4196 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4198 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
4200 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4202 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4204 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4206 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
4208 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4210 * tree-vrp.c (execute_vrp): Do not update current_loops.
4211 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
4212 * doc/loop.texi: Remove documentation for cancelled functions.
4213 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
4214 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
4216 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
4217 (remove_path): Ensure that in delete_basic_blocks, the loops
4218 are still allocated.
4219 (add_loop): Work on valid loop structures.
4220 (loopify): Modify call of add_loop.
4221 (mfb_update_loops): Removed.
4222 (create_preheader): Do not update loops explicitly.
4223 (force_single_succ_latches, loop_version): Do not use
4224 loop_split_edge_with.
4225 (loop_split_edge_with): Removed.
4226 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
4227 Do not use bsi_insert_on_edge_immediate_loop.
4228 (split_loop_exit_edge, tree_unroll_loop): Do not use
4229 loop_split_edge_with.
4230 (bsi_insert_on_edge_immediate_loop): Removed.
4231 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
4232 use loop_split_edge_with.
4233 * cfghooks.c: Include cfgloop.h.
4234 (verify_flow_info): Verify that loop_father is filled iff current_loops
4236 (redirect_edge_and_branch_force, split_block, delete_basic_block,
4237 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
4239 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
4241 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
4242 loop_split_edge_with.
4243 (sms_schedule): Use current_loops.
4244 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
4245 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
4247 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
4248 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
4249 * ifcvt.c (if_convert): Ditto.
4250 * predict.c (predict_loops): Do not clear current_loops.
4251 (tree_estimate_probability): Use current_loops.
4252 (propagate_freq): Receive head of the region to propagate instead of
4254 (estimate_loops_at_level): Do not use shared to_visit bitmap.
4255 (estimate_loops): New function. Handle case current_loops == NULL.
4256 (estimate_bb_frequencies): Do not allocate tovisit. Use
4258 * tree-ssa-loop.c (current_loops): Removed.
4259 (tree_loop_optimizer_init): Do not return loops.
4260 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
4261 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
4262 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
4263 Do not update loops explicitly.
4264 * function.h (struct function): Add x_current_loops field.
4265 (current_loops): New macro.
4266 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
4267 * loop-unroll.c (split_edge_and_insert): New function.
4268 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
4269 use loop_split_edge_with.
4270 * loop-doloop.c (add_test, doloop_modify): Ditto.
4271 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
4272 * cfglayout.c (copy_bbs): Do not update loops explicitly.
4273 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
4274 * tree-vect-transform.c (vect_transform_loop): Do not update loops
4276 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
4277 (flow_loops_free): Do not free dfs_order and rc_order.
4278 (flow_loops_find): Do not set dfs_order and rc_order in loops
4279 structure. Do not call loops and flow info verification.
4280 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
4281 already belongs to some loop.
4282 * cfgloop.h (struct loops): Remove struct cfg.
4283 (current_loops, loop_split_edge_with): Declaration removed.
4284 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
4285 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
4286 Declaration removed.
4287 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
4288 * basic-block.h (split_edge_and_insert): Declare.
4289 * tree-cfg.c (remove_bb): Do not update loops explicitly.
4291 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4293 PR tree-optimization/29801
4294 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
4295 (get_default_value): Use get_symbol_constant_value.
4296 (set_lattice_value): ICE when the value of the constant is
4298 (visit_assignment): Ignore VDEFs of read-only variables.
4300 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4302 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
4304 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
4305 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
4307 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4309 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
4310 select subvars of var.
4312 2006-11-17 Jakub Jelinek <jakub@redhat.com>
4315 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
4316 optimize if DEF doesn't have integral type.
4318 2006-11-16 Mike Stump <mrs@apple.com>
4320 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
4321 pre-darwin9 system, unless the user asks for it directly.
4322 (PREFERRED_DEBUGGING_TYPE): Likewise.
4323 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
4324 * config.gcc: Add suppport for darwin9.h.
4325 * config/darwin9.h: Add.
4326 * doc/install.texi (Specific): Clarify darwin documentation.
4328 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
4330 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
4331 optimizing for size.
4333 2006-11-16 Mike Stump <mrs@apple.com>
4335 * Makefile.in (targhooks.o): Add $(OPTABS_H).
4337 2006-11-16 Dirk Mueller <dmueller@suse.de>
4339 * tree-vrp.c (get_value_range): Use XCNEW instead
4341 (insert_range_assertions): Use XCNEWVEC instead
4342 of XNEWVEC and memset.
4343 (vrp_initialize): Same.
4344 (vrp_finalize): Same.
4345 * tree-ssa-ccp.c (ccp_initialize): Same.
4346 * predict.c (tree_bb_level_predictions): Same.
4347 * calls.c (expand_call): Same.
4348 * tree-ssa-copy.c (init_copy_prop): Same.
4349 (fini_copy_prop): Same.
4350 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
4351 of GGC_NEW and memset.
4353 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
4356 * gimplify.c (gimplify_expr): Only force a load for references to
4357 non-BLKmode volatile values.
4358 * doc/implement-c.texi (Qualifiers implementation): Document the
4359 interpretation of what a volatile access is.
4360 * doc/extend.texi (C++ Extensions): Rework same documentation.
4362 2006-11-16 Joseph Myers <joseph@codesourcery.com>
4364 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
4367 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
4369 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
4371 (arm_neg_abssi2): Renamed from neg_abssi2.
4372 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
4374 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
4376 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
4377 number of arguments passed to local functions in SSE registers is 3.
4379 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
4380 number of arguments passed in SSE registers to 3.
4382 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4385 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
4387 (get_last_bb_insn): ... new global function.
4388 (basic_block.h): Declare it.
4389 * haifa-sched.c (create_recovery_block): Use it.
4391 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
4394 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
4396 2006-11-15 Paul Brook <paul@codesourcery.com>
4398 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
4399 _Unwind_GetTextRelBase): Move from here ...
4400 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
4401 _Unwind_GetTextRelBase): ... To here.
4403 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4405 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
4406 addresses we generate for testing are aligned.
4408 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
4411 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
4412 to what is the const decl is a place holder for.
4414 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
4416 * config/i386/i386.opt: New target option -mx87regparm.
4418 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
4419 and float_in_x87 variables. mmx_words, sse_words: Remove.
4420 (X87_REGPARM_MAX): Define.
4422 * config/i386/i386.c (override_options): Error out for
4423 -mx87regparm but no 80387 support.
4424 (ix86_attribute_table): Add x87regparm.
4425 (ix86_handle_cconv_attribute): Update comments for x87regparm.
4426 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
4427 (ix86_function_x87regparm): New function.
4428 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
4430 (init_cumulative_args): Initialize x87_nregs and float_in_x87
4432 (function_arg_advance): Process x87_nregs and x87_regno when
4433 floating point argument is to be passed in 80387 register.
4434 (function_arg): Pass XFmode arguments in 80387 registers for local
4435 functions. Pass SFmode and DFmode arguments to local functions
4436 in 80387 registers when flag_unsafe_math_optimizations is set.
4438 * reg-stack.c (convert_regs_entry): Disable NaN load for
4439 stack registers that are used for argument passing.
4441 * doc/extend.texi: Document x87regparm function attribute.
4442 * doc/invoke.texi: Document -mx87regparm.
4444 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4446 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
4447 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
4448 arg MODE; all callers changed. Use it to determine validity per
4449 machine mode instead of using Pmode for all memory references.
4450 (get_address_cost): Likewise add and use new arg MEM_MODE.
4452 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
4453 J"orn Rennecke <joern.rennecke@st.com>
4455 * combine.c (likely_spilled_retval_1): Fix masking operation.
4456 (likely_spilled_retval_p): Use proper pattern for call to
4457 likely_spilled_retval_1.
4459 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4461 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
4463 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
4464 that tests for CONSTANT_POOL_ADDRESS_P.
4466 2006-11-15 Jakub Jelinek <jakub@redhat.com>
4468 PR tree-optimization/29581
4469 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
4470 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
4471 type is different between Y and USE, create a temporary
4472 variable, initialize it at the beginning of the body bb
4473 and use it as replacement instead of Y.
4475 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
4478 * gimplify.c (fold_indirect_ref_rhs): Use
4479 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
4481 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
4483 * expmed.c (emit_store_flag_1): New function.
4484 (emit_store_flag): Call it. If we can't find a suitable scc insn,
4486 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
4487 Use do_compare_rtx_and_jump.
4488 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
4489 * arm.md (cstoresi4): New define_expand.
4490 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
4491 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
4492 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
4494 2006-11-14 Caroline Tice <ctice@apple.com>
4496 * dwarf2out.c (debug_pubtypes_section): New static global variable.
4497 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
4499 (pubname_table): Redefine as a vector.
4500 (pubtype_table): New static global variable, defined as a vector.
4501 (pubname_table_allocated): Remove static global variable.
4502 (pubname_table_in_use): Remove static global variable.
4503 (PUBNAME_TABLE_INCREMENT): Remove constant.
4504 (size_of_pubnames): Add parameter to deal with either pubnames or
4505 pubtypes, and change code to deal with table being a vector.
4506 (add_pubname): Change to deal with table being a vector.
4507 (add_pubtype): New function.
4508 (output_pubnames): Add parameter to deal with either pubnames or
4509 pubtypes, and change code to deal with table being a vector.
4510 (gen_array_type_die): Add call to add_pubtype.
4511 (gen_enumeration_type_die): Add call to add_pubtype.
4512 (gen_struct_or_union_type_die): Add call to add_pubtype.
4513 (gen_subroutine_type_die): Add call to add_pubtype.
4514 (gen_typedef_die): Add call to add_pubtype.
4515 (dwarf2out_init): Add code to initialize pubname_table and
4516 pubtype_table vectors; also initialize debug_pubtypes_section.
4517 (prune_unused_types): Change to deal with pubnames being a vector.
4518 (dwarf2out_finish): Change to deal with pubnames being a vector; add
4519 pubnames table to call to output_pubnames; Add code to output pubtypes
4520 table if DEBUG_PUBTYPES_SECTION is defined.
4521 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
4523 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
4525 2006-11-14 Joseph Myers <joseph@codesourcery.com>
4527 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
4528 iwmmxt_nregs if TARGET_IWMMXT_ABI.
4529 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
4530 movv2si_internal): Support moves between core registers.
4532 2006-11-14 Eric Christopher <echristo@apple.com>
4534 * configure: Regenerate with autoconf 2.59.
4536 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
4538 Fix PR tree-optimization/27755
4540 * tree-ssa-pre.c: Update comments.
4541 (bb_bitmap_sets): Add pa_in and deferred member.
4542 (BB_DEFERRED): New macro.
4543 (maximal_set): New variable.
4544 (pre_stats): Add pa_insert member.
4545 (bitmap_set_and): Short circuit orig == dest.
4546 (bitmap_set_subtract_values): New function.
4547 (bitmap_set_contains_expr): Ditto.
4548 (translate_vuses_through_block): Add phiblock argument.
4549 (dependent_clean): New function.
4550 (compute_antic_aux): Update for maximal_set changes.
4551 (compute_partial_antic_aux): New function.
4552 (compute_antic): Handle partial anticipation.
4553 (do_partial_partial_insertion): New function.
4554 (insert_aux): Handle partial anticipation.
4555 (add_to_sets): Add to maximal set.
4556 (compute_avail): Ditto.
4557 (init_pre): Initialize maximal_set.
4558 (execute_pre): Do partial anticipation if -O3+.
4560 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
4562 PR rtl-optimization/29798
4564 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
4565 TARGET_INSN before any other check.
4566 (fwprop_init): Always calculate dominators.
4567 (fwprop_done): Always free them.
4569 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4571 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
4574 2006-11-13 DJ Delorie <dj@redhat.com>
4576 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
4577 temporary for intermediates.
4579 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
4581 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
4582 (sh_optimize_target_register_callee_saved): #if 0 the code
4583 using NOTE_INSN_LOOP_{BEG,END}.
4585 2006-11-13 Roger Sayle <roger@eyesopen.com>
4587 * fold-const.c (optimize_bit_field_compare): Recursively call
4588 fold when simplifying non-constant comparisons between bit-fields.
4590 2006-11-13 Jakub Jelinek <jakub@redhat.com>
4592 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
4594 * configure: Rebuilt.
4596 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
4598 * config/rs6000/cell.md: New file.
4599 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
4601 (ppccell_cost): New cost matrix.
4602 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
4603 (rs6000_override_options): Set rs6000_always_hint to false
4604 for cell. Also align functions/lables/loops to 8byte
4605 for the Cell. Use PROCESSOR_CELL.
4606 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
4607 using_mtcr_multiple.
4608 (rs6000_variable_issue): If the insn is a nonpipelined instruction
4609 on the Cell, return 0.
4610 (rs6000_adjust_cost): Add Cell cost adjustments.
4611 (is_microcoded_insn): Return true for Cell microcoded
4613 (is_nonpipeline_insn): New function.
4614 (rs6000_issue_rate): Add PROCESSOR_CELL.
4615 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
4617 (rs6000_use_sched_lookahead_guard): New function.
4618 (rs6000_sched_reorder): Reorder the ready list, if the second
4619 to last ready insn is a nonepipeline insn on the Cell.
4620 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
4621 (ASM_CPU_SPEC): Add Cell.
4622 * config/rs6000/rs6000.md (cpu): Add Cell.
4623 (cell_micro): New Attr.
4626 2006-11-13 Jakub Jelinek <jakub@redhat.com>
4628 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
4630 * configure: Rebuilt.
4632 2006-11-13 Richard Guenther <rguenther@suse.de>
4634 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
4636 (ix86_expand_lfloorceil): Likewise.
4637 (ix86_expand_rint): Likewise.
4638 (ix86_expand_floorceildf_32): Likewise.
4639 (ix86_expand_floorceil): Likewise.
4640 (ix86_expand_rounddf_32): Likewise.
4641 (ix86_expand_truncdf_32): Likewise.
4642 (ix86_expand_round): Likewise.
4644 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
4645 Mark Mitchell <mark@codesourcery.com>
4647 * gcc.c: Organize search path variables into $prefix relative,
4648 and well-known native. Add comments.
4649 (add_sysrooted_prefix): Add comment.
4650 (process_command): If !gcc_exec_prefix add $prefix based paths.
4651 If *cross_compile == '0', add native well-known paths.
4652 Assert tooldir_base_prefix is always relative.
4653 (main): If print_search_dirs, and if gcc_exec_prefix is set,
4654 use this value for 'install:' path.
4655 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
4657 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
4659 * config/i386/i386.c: Fix a typo in comment.
4661 2006-11-13 Michael Matz <matz@suse.de>
4663 * genemit.c (gen_expand): Allocate enough memory.
4665 2006-11-13 Joseph Myers <joseph@codesourcery.com>
4667 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
4668 __GXX_TYPEINFO_EQUALITY_INLINE but not
4669 __GXX_MERGED_TYPEINFO_NAMES.
4670 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
4671 __GXX_MERGED_TYPEINFO_NAMES.
4672 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
4673 __GXX_TYPEINFO_EQUALITY_INLINE.
4675 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
4676 Zdenek Dvorak <dvorakz@suse.cz>
4678 PR tree-optimization/29680
4679 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
4682 2006-11-12 Jason Merrill <jason@redhat.com>
4683 Andrew Pinski <pinskia@physics.uc.edu>
4686 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
4688 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
4690 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
4691 * tree.c (build_vector): Handle non-_CST elements.
4693 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
4695 * genemit.c (gen_insn): Call gen_exp with a non-null used
4696 when handling multiple insns.
4697 (gen_expand): Likewise.
4698 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
4699 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
4700 (movsi_const_16bit+1): Copy operands[1].
4701 (call_pcrel): Copy the call_site pattern.
4702 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
4704 2006-11-12 Roger Sayle <roger@eyesopen.com>
4706 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
4707 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
4708 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
4709 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
4711 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
4713 Fix PR tree-optimization/29587
4714 * tree-ssa-structalias.c (process_constraint): Don't
4715 mark address taken due only to escaped vars constraint.
4717 2006-11-12 Michael Matz <matz@suse.de>
4718 Roger Sayle <roger@eyesopen.com>
4720 PR rtl-optimization/29797
4721 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
4722 BITS_BIG_ENDIAN targets.
4724 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4726 * builtins.c (fold_builtin_cosh): New.
4727 (fold_builtin_1): Use it.
4728 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
4729 trunc to the list of "odd" functions. Also add llrint, lrint,
4730 rint and nearbyint when flag_rounding_math is false.
4732 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4734 * tree-flow.h (name_mappings_registered_p): Declare.
4735 * tree-into-ssa.c (name_mappings_registered_p): New function.
4736 * tree-cfg.c (tree_can_merge_blocks_p): Check
4737 name_mappings_registered_p instead of need_ssa_update_p.
4739 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4741 * tree-ssa-loop.c (tree_vectorize): Return the result of
4743 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
4744 if anything changed.
4745 * tree-vectorizer.h (vectorize_loops): Declaration removed.
4746 * tree-flow.h (vectorize_loops): Declaration changed.
4748 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4750 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
4752 (issue_prefetch_ref): Move assignment to write_p out of loop.
4753 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
4754 SIMULTANEOUS_PREFETCHES into account.
4755 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
4756 * lambda-code.c (lcm): Renamed to ...
4757 (least_common_multiple): ... and exported.
4758 * tree-flow.h (least_common_multiple): Declare.
4760 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4762 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
4763 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
4764 ud-chains. Handle AND_EXPR.
4765 (record_estimate): Record whether the estimate is realistic
4766 and whether it is derived from a loop exit.
4767 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
4768 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
4770 (compute_estimated_nb_iterations): Take only realistic bounds into
4771 account. Set estimate_state. Use double_ints.
4772 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
4773 and infer_loop_bounds_from_signedness. Do not consider basic blocks
4774 that do not have to be always executed.
4775 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
4776 to determine whether to call infer_loop_bounds_from_undefined
4777 and compute_estimated_nb_iterations.
4778 (n_of_executions_at_most): Use double_ints.
4779 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
4780 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
4781 * double-int.c (double_int_to_tree): Improve comment.
4782 (double_int_fits_to_tree_p): New function.
4783 * double-int.h (double_int_fits_to_tree_p): Declare.
4784 * tree-data-ref.c: Include langhooks.h.
4785 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
4786 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
4787 (analyze_array): Do not pass estimate_only argument to
4788 analyze_array_indexes.
4789 (get_number_of_iters_for_loop): Build tree from the stored double_int
4791 (get_references_in_stmt, find_data_references_in_stmt): New functions.
4792 (find_data_references_in_loop): Use find_data_references_in_stmt.
4793 * tree-data-ref.h (struct data_ref_loc_d): New.
4794 (get_references_in_stmt): Declare.
4795 (estimate_iters_using_array): Declaration removed.
4796 * cfgloop.h (struct nb_iter_bound): Change type of bound to
4797 double_int. Improve comments. Add is_exit and realistic
4799 (struct loop): Changed type of estimated_nb_iterations to double_int.
4800 Added estimate_state field.
4801 (record_estimate): Declaration removed.
4803 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4805 * params.c (set_param_value): Initialize the "set" field.
4806 * params.h (struct param_info): Add "set" field.
4807 (PARAM_SET_P): New macro.
4808 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
4809 L1_CACHE_LINE_SIZE): New macros.
4810 * toplev.c (DEFPARAM): Initialize the "set" field.
4811 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
4812 SIMULTANEOUS_PREFETCHES): Removed.
4813 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
4814 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
4815 * config/sparc/sparc.c: Include params.h.
4816 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
4817 L1_CACHE_LINE_SIZE parameters.
4818 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
4820 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
4822 * config/i386/i386.c: Include params.h.
4823 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
4824 (override_options): Set SIMULTANEOUS_PREFETCHES and
4825 L1_CACHE_LINE_SIZE parameters.
4826 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
4827 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
4828 L1_CACHE_LINE_SIZE parameters.
4829 * config/ia64/ia64.c (ia64_optimization_options): Set
4830 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
4831 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
4833 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
4834 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
4835 * doc/invoke.texi: Document new params.
4837 2006-11-12 Roger Sayle <roger@eyesopen.com>
4839 PR tree-optimization/13827
4840 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
4843 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4845 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
4846 update_single_exit_for_duplicated_loops): New functions.
4847 (duplicate_loop_to_header_edge): Use
4848 update_single_exit_for_duplicated_loops.
4849 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
4850 functions only with ENABLE_CHECKING.
4852 2006-11-12 Andreas Schwab <schwab@suse.de>
4854 * except.c (sjlj_emit_function_enter): Remove unused variable.
4856 2006-11-11 Roger Sayle <roger@eyesopen.com>
4858 * fold-const.c (int_binop_types_match_p): New function.
4859 (size_binop): Relax constraint that both arguments must both have
4860 exactly the same sizetype type. Instead use int_binop_types_match_p.
4861 (size_diffop): Likewise.
4863 (make_range): Use build_int_cst instead of fold_convert.
4864 (fold_cond_expr_with_comparison): Use build_int_cst to construct
4865 integer constants of the correct type.
4866 (fold_div_compare): Likewise.
4867 (fold_single_bit_test): Likewise.
4868 (fold_binary): Likewise.
4869 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
4870 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
4872 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
4875 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
4876 non null value if the struct memory access is in the 0th
4879 2006-11-12 Jie Zhang <jie.zhang@analog.com>
4882 2006-11-11 Jie Zhang <jie.zhang@analog.com>
4883 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
4886 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
4887 instead of builtin_define for bfin and BFIN.
4889 2006-11-11 Jie Zhang <jie.zhang@analog.com>
4891 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
4894 2006-11-11 Jan Hubicka <jh@suse.cz>
4896 * extend.texi (__builtin_expect): We no longer require second argument
4898 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
4899 * builtins.c (expand_builtin_expect): Simplify.
4900 (expand_builtin_expect_jump): Kill.
4901 * final.c (final_scan_insn): Do not skip the removed notes.
4902 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
4903 EXPECTED_VALUE): Remove.
4904 * dojump.c (do_jump): Do not care about __builtin_expect.
4905 * predict.c (expected_value_to_br_prob): Kill.
4906 * function.c (expand_function_end): Do not expand
4907 NOTE_INSN_REPEATED_LINE_NUMBER.
4908 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
4909 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
4910 * cfgexpand.c (add_reg_br_prob_note): Export.
4911 * cfgcleanup.c (rest_of_handle_jump2): Do not call
4912 expected_value_to_br_prob.
4913 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
4914 * rtl.h (add_reg_br_prob_note): Declare.
4916 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4918 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
4920 2006-11-11 Jan Hubicka <jh@suse.cz>
4922 * predict.c (predict_loops): Kill RTL variant.
4924 2006-11-11 Jan Hubicka <jh@suse.cz>
4926 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
4927 * modulo-sched.c (find_line_note): Remove.
4928 (loop_canon_p): Do not worry about line number notes.
4929 (sms_schedule): Likewise.
4930 * cse.c (cse_main): Likewise.
4931 * regmove.c (fixup_match_1): Likewise
4932 * function.c (emit_return_info_block): Likewise.
4933 (expand_function_end): Likewise.
4934 (thread_prologue_an_epilogue_insns): Likewise.
4935 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
4937 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
4938 emit_note_copy_after): Kill.
4939 (emit_note_copy): Do not worry about line numbers.
4940 * jump.c (purge_line_number_notes): Kill.
4941 (pass_purge_lineno_notes): Kill.
4942 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
4944 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
4945 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
4946 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
4947 * tree-pass.h (pass_purge_lineno_notes): Kill.
4948 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
4949 rm_redundant_line_notes.
4950 * sched-rgb.c (schedule_region): Don't rm_line_notes,
4951 rm_redundant_line_notes.
4952 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
4953 * haifa-sched.c: Update comment about handling notes.
4954 (unlink_line_notes): Kill.
4955 (rm_line_notes): Kill.
4956 (save_line_notes): Simplify.
4957 (rm_redundant_line_notes): Kill.
4959 2006-11-11 Richard Guenther <rguenther@suse.de>
4961 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
4962 Remove unused tree codes.
4963 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
4964 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
4965 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
4966 * tree.c (stabilize_reference): Likewise.
4967 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
4968 fold_unary): Likewise.
4969 * tree-gimple.c (is_gimple_cast): Likewise.
4970 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
4971 * expr.c (expand_expr_real_1): Likewise.
4972 * tree-eh.c (tree_could_trap_p): Likewise.
4973 * gimplify.c (gimplify_expr): Likewise.
4974 * tree-inline.c (estimate_num_insns_1): Likewise.
4975 * tree-cfg.c (verify_expr): Likewise.
4977 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
4979 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
4980 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
4981 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
4983 2006-11-11 Richard Sandiford <richard@codesourcery.com>
4986 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
4987 constraints accept neither registers or memories.
4989 2006-11-11 Jie Zhang <jie.zhang@analog.com>
4991 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
4992 (NO_PROFILE_COUNTERS): Define as 1.
4994 2006-11-10 Roger Sayle <roger@eyesopen.com>
4996 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
4997 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
4999 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
5001 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
5003 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5005 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
5006 (fold_builtin_hypot): Likewise.
5007 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
5009 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
5011 2006-11-10 Roger Sayle <roger@eyesopen.com>
5013 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
5014 when attempting to build INTEGER_CSTs of non-integral types.
5015 * expmed.c (make_tree): Use the correct type, i.e. the inner
5016 type, when constructing the individual elements of a CONST_VECTOR.
5018 2006-11-10 Jan Hubicka <jh@suse.cz>
5020 * cse.c (cse_process_notes): Copy the propagated value.
5021 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
5023 * gcse.c (try_replace_reg): Copy the replacement.
5024 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
5025 (assign_386_stack_local): Always return copied memory expression
5026 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
5029 2006-11-10 Jan Hubicka <jh@suse.cz>
5031 * final.c (final): Walk from first instruction.
5032 * cfglayout.c (insn_locators_initialize): Remove line number notes.
5034 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
5037 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
5039 (umulv8hi3_highpart): Ditto.
5040 (vec_widen_smult_hi_v8hi): New expander.
5041 (vec_widen_smult_lo_v8hi): Ditto.
5043 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5046 * builtins.c (do_mpfr_arg3): New.
5047 (fold_builtin_1): Handle builtins fma, fmin and fmax.
5049 2006-11-09 Eric Christopher <echristo@apple.com>
5054 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
5055 * config.gcc (powerpc64-*-darwin*): New target.
5056 * config.host: Ditto.
5057 * config/rs6000/darwin64.h: New file.
5058 * config/rs6000/x-darwin64: Ditto.
5059 * config/rs6000/host-ppc64-darwin.c: Ditto.
5061 2006-11-09 Steve Ellcey <sje@cup.hp.com>
5063 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
5064 routines for integer division.
5066 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
5068 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
5070 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
5073 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
5075 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
5077 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
5078 simplify_subreg with BLKmode outer mode.
5080 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
5082 * doc/invoke.texi: Minor formatting fixes in option lists.
5084 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
5086 PR tree-optimization/29738
5087 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
5088 (ccp_lattice_t): Remove UNKNOWN_VAL.
5089 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
5090 Do not handle UNKNOWN_VAL.
5091 (get_default_value): Set initial value of virtual operands to
5093 (get_value): Always use get_default_value on uninitialized
5095 (set_value_varying, surely_varying_stmt_p): New functions.
5096 (set_lattice_value): Do not pass argument to get_value.
5097 Do not handle UNKNOWN_VAL.
5098 (likely_value): Follow the semantics described in the comment.
5099 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
5100 phi nodes DONT_SIMULATE_AGAIN.
5101 (ccp_fold): Do not pass argument to get_value.
5102 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
5105 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
5107 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
5108 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
5110 2006-11-08 Roger Sayle <roger@eyesopen.com>
5112 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
5113 test for inclusion rather than as a test for exclusion.
5114 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
5115 the condition after calling fold_binary.
5116 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
5117 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
5118 * builtins.c (fold_builtin_isascii): Likewise.
5119 (fold_builtin_isdigit): Likewise.
5121 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
5123 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
5124 * configure: Regenerate.
5126 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5128 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
5129 enum argument instead of bool.
5130 (vect_analyze_operations): Call vectorizable_type_promotion.
5131 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
5132 stmt_vec_info_type value.
5133 (supportable_widening_operation, vectorizable_type_promotion): New
5134 function declarations.
5135 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
5136 (vectorizable_type_promotion): New function.
5137 (vect_transform_stmt): Call vectorizable_type_promotion.
5138 * tree-vect-analyze.c (supportable_widening_operation): New function.
5139 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
5141 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
5144 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
5145 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
5146 * tree-inline.c (estimate_num_insns_1): Add cases for above new
5148 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5149 * expr.c (expand_expr_real_1): Likewise.
5150 * optabs.c (optab_for_tree_code): Likewise.
5151 (init_optabs): Initialize new optabs.
5152 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
5153 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
5154 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
5155 vec_unpacku_lo_optab): Initialize new optabs.
5156 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
5157 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
5158 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
5160 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
5161 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
5162 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
5163 (vec_unpacku_lo_optab): New optabs.
5164 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
5165 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
5166 (vec_widen_smult_hi, vec_widen_smult_lo): New.
5167 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
5168 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
5169 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
5171 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
5172 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
5173 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
5174 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
5175 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
5176 implement the unsigned unpacking patterns.
5177 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
5178 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
5179 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
5180 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
5181 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
5182 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
5183 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
5184 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
5185 multiplication patterns.
5187 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
5188 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
5189 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
5190 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
5191 (rs6000_builtin_mul_widen_odd): New.
5192 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
5193 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
5194 * tree-vectorizer.h (enum vect_relevant): New enum type.
5195 (_stmt_vec_info): Field relevant chaned from bool to enum
5197 (STMT_VINFO_RELEVANT_P): Updated.
5198 (STMT_VINFO_RELEVANT): New.
5199 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
5200 instead of STMT_VINFO_RELEVANT_P.
5201 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
5202 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
5203 and boolean variable with enum vect_relevant.
5204 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
5205 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
5206 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
5208 2006-11-08 Richard Henderson <rth@redhat.com>
5210 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
5211 vec_widen_umult_lo_v8hi): New.
5212 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
5213 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
5215 * config/i386/i386.c (ix86_expand_sse_unpack): New.
5216 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
5217 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
5218 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
5219 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
5220 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
5221 vec_unpacks_lo_v4si): New.
5223 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5225 * tree-vect-transform.c (vectorizable_type_demotion): New function.
5226 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
5227 (vect_analyze_operations): Call vectorizable_type_demotion.
5228 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
5229 stmt_vec_info_type value.
5230 (vectorizable_type_demotion): New function declaration.
5231 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
5234 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
5235 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
5237 * tree-iniline.c (estimate_num_insns_1): Likewise.
5238 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5239 * optabs.c (optab_for_tree_code): Likewise.
5241 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
5242 compared against the predicate of the result is not 'mode' (the input
5243 to the function) but a mode with half the size of 'mode'.
5244 (init_optab): Initialize new optabs.
5245 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
5247 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
5249 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
5250 (vec_pack_usat_optab): Initialize new optabs.
5251 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
5252 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
5254 2006-11-08 Richard Henderson <rth@redehat.com>
5256 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
5257 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
5258 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
5259 (vec_interleave_highv4si, vec_interleave_lowv4si):
5260 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
5262 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5264 * tree-vect-transform.c (vectorizable_reduction): Support multiple
5266 (vect_transform_stmt): Removed redundant code.
5268 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5270 * tree-vect-transform.c (vectorizable_operation): Support multiple
5273 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5275 * tree-vect-transform.c (vect_align_data_ref): Removed.
5276 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
5277 Updated function documentation. Return the increment stmt in ptr_incr.
5278 (bump_vector_ptr): New function.
5279 (vect_get_vec_def_for_stmt_copy): New function.
5280 (vect_finish_stmt_generation): Create a stmt_info to newly created
5282 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
5284 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
5285 VF is greater than the number of elements that can fit in one vector
5287 (vectorizable_operation, vectorizable_condition): Likewise.
5288 (vectorizable_store, vectorizable_load): Support the case that the VF
5289 is greater than the number of elements that can fit in one vector word.
5290 (vect_transform_loop): Don't fail in case of multiple data-types.
5291 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
5292 in case of multiple data-types; the smallest type determines the VF.
5293 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
5294 if they are of different sizes.
5295 (vect_update_misalignment_for_peel): Compare misalignments in terms of
5296 number of elements rather than number of bytes.
5297 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
5298 (vect_can_advance_ivs_p): Fix a dump printout
5300 2006-11-07 Eric Christopher <echristo@apple.com>
5302 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
5303 (__bswapsi2): Ditto.
5304 * libgcc2.h: Remove transformation of bswap routines.
5305 * config/i386/i386.md (bswapsi2): New.
5308 2006-11-07 Jakub Jelinek <jakub@redhat.com>
5310 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
5311 (handle_gnu_inline_attribute): New function.
5312 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
5313 (merge_decls, start_decl, start_function): Likewise.
5314 * doc/extend.texi: Document gnu_inline attribute.
5316 2006-11-07 Steve Ellcey <sje@cup.hp.com>
5319 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
5320 _fixunstfdi, and _floatditf
5322 2006-11-06 Anatoly Sokolov <aesok@post.ru>
5324 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
5326 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
5327 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
5328 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
5329 which start in an odd register.
5331 2006-11-07 Richard Sandiford <richard@codesourcery.com>
5333 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
5335 2006-11-07 Josh Conner <jconner@apple.com>
5337 * doc/invoke.texi (fstrict-aliasing): Move implementation
5339 * doc/tree-ssa.texi (Alias analysis): ...here.
5341 2006-11-07 Richard Guenther <rguenther@suse.de>
5343 PR tree-optimization/29610
5344 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
5345 of tree_purge_dead_eh_edges as it may free dominators.
5347 * g++.dg/other/pr29610.C: New testcase.
5349 2006-11-07 David Ung <davidu@mips.com>
5351 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
5352 costs when optimizing for size.
5353 (override_options): Use mips_rtx_cost_optimize_size table for cost
5356 2006-11-07 Jie Zhang <jie.zhang@analog.com>
5358 * gcc.c (process_command): Treat -b as normal switch if its argument
5361 2006-11-07 David Ung <davidu@mips.com>
5363 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
5366 2006-11-06 Eric Christopher <echristo@apple.com>
5368 * config.gcc: Add x86_64-darwin host support.
5369 * config.host: Ditto.
5370 * config/i386/darwin64.h: New file.
5371 * config/i386/t-darwin64: Ditto.
5373 2006-11-06 Janis Johnson <janis187@us.ibm.com>
5375 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
5376 and output-exists-not.
5378 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
5381 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
5382 checking for overflow.
5384 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
5386 * configure.ac: Fixed typo in case statement: :: changed to ;;
5388 2006-11-06 Bob Wilson <bob.wilson@acm.org>
5390 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
5391 count_leading_zeros, and count_trailing_zeros.
5392 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
5393 (TARGET_FOLD_BUILTIN): Define.
5394 (TARGET_EXPAND_BUILTIN): Define.
5395 (xtensa_init_builtins): New.
5396 (xtensa_fold_builtin): New.
5397 (xtensa_expand_builtin): New.
5398 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
5399 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
5400 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
5401 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
5402 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
5403 (any_extend): New code macro.
5404 (u, su): New code attributes.
5405 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
5406 (nsau): Remove; replaced by clzsi2.
5407 (ffssi2): Use clzsi2.
5408 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
5409 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
5410 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
5411 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
5412 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
5414 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
5416 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
5418 * config/arm/t-strongarm-elf: Likewise.
5419 * config/arm/t-pe: Likewise.
5420 * config/arm/t-arm-elf: Likewise.
5421 * config/arm/t-xscale-elf: Likewise.
5422 * config/arm/t-arm-coff: Likewise.
5423 * config/arm/t-xscale-coff: Likewise.
5424 * config/arm/t-wince-pe: Likewise.
5426 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
5428 * config/sh/lib1funcs-4-300.asm: Guard entire file with
5431 2006-11-05 Jakub Jelinek <jakub@redhat.com>
5434 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
5437 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
5440 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
5441 as a valid 80387 constant.
5442 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
5443 * config/i386/i386.md (unnamed splitter): Split the load of
5444 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
5447 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
5449 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
5450 from the soft-frame, argument and virtual registers.
5452 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
5454 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
5455 patterns for standard 80387 constants.
5457 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
5458 Steven Bosscher <steven@gcc.gnu.org>
5460 * fwprop.c: New file.
5461 * Makefile.in: Add fwprop.o.
5462 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
5463 * passes.c (init_optimization_passes): Schedule forward propagation.
5464 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
5466 * timevar.def (TV_FWPROP): New.
5467 * common.opt (-fforward-propagate): New.
5468 * opts.c (decode_options): Enable forward propagation at -O2.
5469 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
5470 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
5471 canon_for_address, table_size): Remove.
5472 (new_basic_block, insert, remove_from_table): Remove references to
5474 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
5475 simplification loop more straightforward by not calling fold_rtx
5477 (equiv_constant): Move here a small part of fold_rtx_subreg,
5478 do not call fold_rtx. Call avoid_constant_pool_reference
5480 * recog.h (canonicalize_change_group): New.
5482 * doc/invoke.texi (Optimization Options): Document fwprop.
5483 * doc/passes.texi (RTL passes): Document fwprop.
5485 2006-11-03 Geoffrey Keating <geoffk@apple.com>
5487 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
5488 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
5489 (grokdeclarator): Likewise.
5491 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
5493 * tree-dump.c (dump_enable_all): Rename local variable
5494 ir_type to avoid name conflicts.
5495 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
5496 instead of using ir_type().
5497 * profile.c (tree_register_profile_hooks): Likewise.
5498 * value-prof.c (tree_register_value_prof_hooks): Likewise.
5499 * basic-block.h (struct edge_def): Likewise.
5500 * config/arm/arm.c (legitimize_pic_address): Likewise.
5501 * coretypes.h (ir_type): New enum of all intermediate languages
5503 * cfghooks.c (ir_type): Rename to...
5504 (current_ir_type): ...this. Distinguish between cfgrtl and
5505 cfglayout mode when the current IR is RTL. Return enum ir_type.
5506 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
5508 2006-11-03 Paul Brook <paul@codesourcery.com>
5510 * config/arm/arm.c (arm_file_start): New function.
5511 (TARGET_ASM_FILE_START): Define.
5512 (arm_default_cpu): New variable.
5513 (arm_override_options): Set arm_default_cpu.
5515 2006-11-03 David Ung <davidu@mips.com>
5517 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
5518 PROCESSOR_24KC and PROCESSOR_24KF.
5519 * config/mips/mips.c (mips_cpu_info_table): Add processor names
5520 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
5521 (mips_rtx_cost_data): Add costs for the 24kc.
5522 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
5523 * config/mips/24k.md: Remove references to 24k and replace with
5524 uses of 24kc/24kf in the appropriate reservations.
5525 * doc/invoke.texi (MIPS Options): Updated.
5527 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
5529 * config/sh/crt1.asm: Fix #ifdef indent.
5531 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
5532 Merged from STMicroelectronics sources:
5533 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
5534 * config/sh/crt1.asm (vbr_600): Add missing #if.
5535 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
5536 * sh.opt (mfused-madd): New option.
5537 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
5538 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
5539 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
5540 Remove pointless handler at VBR+0.
5541 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
5542 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
5543 fr7. Make sure the timer handler is called with the correct FPU
5544 precision setting, according to the ABI.
5545 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
5546 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
5547 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
5548 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
5549 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
5550 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
5551 zero as second operand.
5552 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
5553 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
5554 Fixed some bugs related to negative values, in particular -0
5555 and overflow at -0x80000000.
5556 * config/sh/divcost-analysis: Added sh4-300 figures.
5557 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
5558 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
5559 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
5560 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
5561 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
5562 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
5564 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
5566 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
5567 SH4-300 scheduling description & fixes to SH4-[12]00 description:
5568 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
5569 mac_mem, mem_mac, dfp_mul, fp_cmp.
5570 (insn_class, dfp_comp, any_fp_comp): Update.
5571 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
5572 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
5573 (muldf3_i): Likewise.
5574 (movsi_i): Split rI08 alternative into two separate alternatives.
5576 (movsi_ie, movsi_i_lowpart): Likewise.
5577 (movqi_i): Split ri alternative into two separate alternatives.
5579 * sh1.md (sh1_load_store, sh1_fp): Update.
5580 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
5581 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
5582 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
5583 (sh4a_fp_double_arith): Likewise.
5584 * sh4-300.md: New file.
5585 * sh.c (sh_handle_option): Handle m4-300* options.
5586 (sh_adjust_cost): Fix latency of auto-increments.
5587 Handle SH4-300 differently than other SH4s. Check for new insn types.
5588 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
5589 been set by an option.
5590 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
5591 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
5592 (mbranch-cost=): Likewise.
5593 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
5595 * sh.md (mulsf3): Remove special expansion code.
5596 (mulsf3_ie): Now a define_insn_and_split.
5597 (macsf3): Allow for TARGET_SH4.
5599 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
5600 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
5601 (expand_cbranchdi4): Likewise.
5602 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
5603 CONST_DOUBLE if the outer code is COMPARE.
5604 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
5605 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
5606 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
5607 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
5608 Remove redundant fp_{zero,one}_operand checks.
5609 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
5610 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
5611 (expand_cbranchdi4): Likewise.
5612 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
5613 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
5615 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
5617 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
5620 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
5622 * doc/invoke.texi: Fix mfp-trap-mode typo.
5624 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
5626 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
5627 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
5628 file_end_indicate_exec_stack.
5629 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
5631 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
5632 for a non-executable stack.
5633 * crti.asm: Likewise.
5634 * crtn.asm: Likewise.
5635 * libunwind.S: Likewise.
5637 2006-11-02 Ben Elliston <bje@au.ibm.com>
5639 * tree-ssa.c (warn_uninit): Use expand_location variables for
5640 locus and declaration locus.
5642 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
5645 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
5646 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
5647 cmp{eq,gt,gtu}{si,di}_media.
5648 (*cmpne0si_media): Remove.
5649 (*movsicc_umin): Adjust gen_cmp*_media call.
5650 (unordered): Change the mode of unordered and operands[1] to
5652 (seq): Adjust gen_cmp*_media calls. Make the mode of
5653 a temporary result of compare SImode if needed. If the mode
5654 of operands[0] is DImode, extend the temporary result to DImode.
5655 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
5656 (sunorderd): Change the mode of match_operand and unorderd to
5658 (cmpeq{sf,df}_media): Remove.
5659 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
5660 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
5661 and compare operation to SImode.
5663 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
5665 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
5667 (sparc64-sun-solaris2*): Likewise.
5669 2006-11-02 Paul Brook <paul@codesourcery.com>
5671 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
5672 from priority argument. Use different section for non-default
5674 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
5676 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
5679 * except.c (switch_to_exception_section): Do not cache the section
5680 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
5681 and flag_function_sections is set.
5683 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5686 * builtins.c (do_mpfr_sincos): New.
5687 (fold_builtin_1): Use it to fold builtin sincos.
5689 2006-11-01 Roger Sayle <roger@eyesopen.com>
5691 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
5692 it into -D_REENTRANT.
5694 2006-11-01 Roger Sayle <roger@eyesopen.com>
5696 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
5697 whether the assembler supports taking the difference of symbols in
5698 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
5699 * configure: Regenerate.
5700 * config.in: Regenerate.
5701 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
5702 the assembler doesn't support taking the difference of symbols in
5703 different sections, i.e. we're using the native solaris assembler.
5705 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
5706 Peter Bergner <bergner@vnet.ibm.com>
5708 * doc/invoke.texi: Add cpu_type power6x
5709 (RS/6000 and PowerPC Options): Add -mmfpgpr.
5710 * config.gcc: Add cpu_type power6x.
5711 * configure.ac: Add test for mf{t,f}gpr instructions.
5712 (HAVE_AS_MFPGPR): New.
5713 * config.in: Regenerate.
5714 * configure: Regenerate.
5715 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
5716 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
5717 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
5718 and mftgpr attributes.
5719 (define_attr "cpu"): Add power6.
5720 Change instruction sequences to use new attributes.
5721 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
5722 (fix_truncdfsi2_mfpgpr): New.
5723 (floatsidf_ppc64_mfpgpr): New.
5724 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
5725 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
5726 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
5727 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
5728 (fix_truncdfsi2): Use gpc_reg_operand constraint.
5729 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
5730 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
5731 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
5732 cntlz,exts and var_delayed_compare.
5733 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
5734 _ARCH_PWR6X, if features enabled.
5735 * config/rs6000/rs6000.opt (mmfpgpr): New.
5736 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
5737 (cached_can_issue_more): New variable.
5738 (processor_costs): Add power6_cost.
5739 (rs6000_sched_init): New function.
5740 (is_dispatch_slot_restricted): Deleted.
5741 (set_to_load_agen): New function.
5742 (is_load_insn,is_store_insn): New functions.
5743 (adjacent_mem_locations): New function.
5744 (insn_must_be_first_in_group): New function.
5745 (insn_must_be_last_in_group): New function.
5746 (rs6000_sched_reorder): New function.
5747 (rs6000_sched_reorder2): New function.
5748 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
5749 TARGET_SCHED_REORDER2): Define.
5750 (processor_target_table): Use PROCESSOR_POWER6 for power6.
5751 Add power6x. Add MASK_MFPGPR for power6x.
5752 (POWERPC_MASKS): Add MASK_MFPGPR.
5753 (rs6000_override_options): Set rs6000_always_hint to false
5754 for power6. Set rs6000_align_branch_targets. Replace
5755 rs6000_sched_groups check with rs6000_align_branch_targets.
5756 Use PROCESSOR_POWER6.
5757 (last_scheduled_insn): New variable.
5758 (load_store_pendulum): New variable.
5759 (rs6000_variable_issue): Set last_scheduled_insn and
5760 cached_can_issue_more.
5761 (rs6000_adjust_cost): Add power6 cost adjustments.
5762 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
5763 with insn_must_be_first_in_group. Add power6 priority adjustments.
5764 (rs6000_issue_rate): Add CPU_POWER6.
5765 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
5766 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
5767 (TARGET_MFPGPR): New.
5768 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
5769 (ASM_CPU_SPEC): Add power6x.
5770 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
5772 * config/rs6000/power6.md: New file.
5774 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
5776 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
5777 HOST_WIDE_INT_PRINT to print high and low parts. Use
5778 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
5779 printing a hexadecimal number prefix it with 0x.
5781 2006-11-01 Chris Johns <chris@contemporary.net.au>
5784 * Makefile.in (install-driver): Use exeext when installing
5785 $target-gcc-$version.
5787 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
5789 * c-common.c (flag_cpp0x): New.
5790 * c-common.h (flag_cpp0x): New.
5791 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
5792 supported, define __GXX_EXPERIMENTAL_CPP0X__.
5793 * c-opts.c (set_std_cxx0x): New.
5794 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
5795 * c.opt (std=c++0x): Document.
5796 (std=gnu++0x): Ditto.
5797 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
5798 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
5800 2006-11-01 Richard Guenther <rguenther@suse.de>
5802 * config/i386/i386.c (ix86_expand_rint): Fix issues with
5804 (ix86_expand_floorceildf_32): Likewise.
5805 (ix86_expand_floorceil): Likewise.
5806 (ix86_expand_trunc): Likewise.
5808 2006-10-31 Andrew Pinski <pinskia@gmail.com>
5810 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
5813 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
5815 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
5817 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
5819 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
5821 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
5822 * configure.ac (use_cxa_atexit): As a special case, don't test
5823 for libc definition of __cxa_atexit on mingw32
5824 * configure: Regenerate.
5825 * config.gcc (i[34567]86-pc-mingw32): Default to
5826 enable__cxa_atexit=yes.
5828 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5830 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
5832 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5835 * c-decl.c (start_struct): Don't create self-containing
5837 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
5839 * config/rs6000/rs6000-protos.h
5840 (darwin_rs6000_special_round_type_align): New.
5841 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
5842 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
5844 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5846 * toplev.c (compile_file): Call final_write_globals
5847 even if there have been errors.
5849 2006-10-31 Eric Christopher <echristo@apple.com>
5850 Falk Hueffner <falk@debian.org>
5852 * doc/extend.texi (__builtin_bswap32): Document.
5853 (__builtin_bswap64): Ditto.
5854 * doc/libgcc.texi (bswapsi2): Document.
5856 * doc/rtl.texi (bswap): Document.
5857 * optabs.c (expand_unop): Don't widen a bswap.
5858 (init_optabs): Init bswap. Set libfuncs explicitly
5859 for bswapsi2 and bswapdi2.
5860 * optabs.h (OTI_bswap): New.
5861 (bswap_optab): Ditto.
5862 * genopinit.c (optabs): Handle bswap_optab.
5863 * tree.h (tree_index): Add TI_UINT32_TYPE and
5865 (uint32_type_node): New.
5866 (uint64_type_node): Ditto.
5867 * tree.c (build_common_tree_nodes_2): Initialize
5868 uint32_type_node and uint64_type_node.
5869 * builtins.c (expand_builtin_bswap): New.
5870 (expand_builtin): Call.
5871 (fold_builtin_bswap): New.
5872 (fold_builtin_1): Call.
5873 * fold-const.c (tree_expr_nonnegative_p): Return true
5875 * builtin-types.def (BT_UINT32): New.
5877 (BT_FN_UINT32_UINT32): Ditto.
5878 (BT_FN_UINT64_UINT64): Ditto.
5879 * builtins.def (BUILT_IN_BSWAP32): New.
5880 (BUILT_IN_BSWAP64): Ditto.
5881 * rtl.def (BSWAP): New.
5882 * genattrtab.c (check_attr_value): New.
5883 * libgcc2.c (__bswapSI2): New.
5884 (__bswapDI2): Ditto.
5885 * libgcc2.h (__bswapSI2): Declare.
5886 (__bswapDI2): Ditto.
5887 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
5888 * simplify-rtx.c (simplify_const_unary_operation): Return
5890 * libgcc-std.ver (__bwapsi2): Add.
5891 (__bswapdi2): Ditto.
5892 * reload1.c (eliminate_regs_1): Add bswap.
5893 (elimination_effects): Ditto.
5894 * config/i386/i386.h (x86_bswap): New.
5895 (TARGET_BSWAP): Use.
5896 * config/i386/i386.c (x86_bswap): Set.
5898 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5900 * coverage.c (coverage_checksum_string): Update comment.
5901 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
5902 of get_file_function_name.
5903 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
5904 of get_file_function_name_long.
5905 * tree.c (get_file_function_name): Rename from
5906 get_file_function_name_long; improve comment; handle 'I' and 'D'
5907 specially when the target has ctor/dtor support; remove special
5909 (get_file_function_name): Remove.
5910 * tree.h (get_file_function_name): Rename from
5911 get_file_function_name_long.
5912 (get_file_function_name): Remove prototype.
5914 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5916 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
5917 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
5919 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
5920 Call dsymutil when compiling and linking one or more source files
5923 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5926 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
5928 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5930 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
5931 inline static functions in c99 mode.
5934 * doc/extend.texi (Inline): Update.
5935 * c-tree.h (struct language_function): Remove field 'extern_inline'.
5936 * c-decl.c (current_extern_inline): Delete.
5937 (pop_scope): Adjust test for an undefined nested function.
5938 Add warning about undeclared inline function.
5939 (diagnose_mismatched_decls): Update comments. Disallow overriding
5940 of inline functions in a translation unit in C99. Allow inline
5941 declarations in C99 at any time.
5942 (merge_decls): Boolize variables. Handle C99 'extern inline'
5944 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
5945 C99 inline semantics.
5946 (start_function): Don't clear current_extern_inline. Don't set
5948 (c_push_function_context): Don't push current_extern_inline.
5949 (c_pop_function_context): Don't restore current_extern_inline.
5952 * c-typeck.c (build_external_ref): Warn about static variables
5953 used in extern inline functions.
5954 * c-decl.c (start_decl): Warn about static variables declared
5955 in extern inline functions.
5957 2006-10-31 Roger Sayle <roger@eyesopen.com>
5960 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
5961 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
5962 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
5963 or y is an even integer.
5965 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
5968 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
5969 * gthr-posix95.h (__gthread_active_p): Likewise.
5971 2006-10-31 Richard Guenther <rguenther@suse.de>
5973 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
5974 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
5975 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
5976 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
5977 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
5978 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
5979 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
5980 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
5983 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
5985 * opts.c (decode_options): Disable CSE skip blocks.
5987 2006-10-30 Dirk Mueller <dmueller@suse.de>
5989 * c-common.h (strict_aliasing_warning): Fix whitespace.
5990 * c-decl (start_function): Move code for main decl warning ..
5991 * c-common.c (check_main_parameter_types): .. here.
5992 * c-common.h (check_main_parameter_types): Declare.
5994 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5997 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
5999 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
6001 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
6002 be a PARALLEL containing sets. Return false when out_pat is not
6005 2006-10-30 Richard Sandiford <richard@codesourcery.com>
6007 * config/mips/mips.md (mul<mode>3): Split into...
6008 (mulsi3, muldi3): ...these separate patterns.
6010 2006-10-30 Richard Sandiford <richard@codesourcery.com>
6012 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
6013 but with each set of options separated by spaces.
6015 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
6017 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
6018 dwarf_reg_size_table has been initialized.
6020 2006-10-30 Roger Sayle <roger@eyesopen.com>
6022 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
6023 * ddg.c (print_ddg_edge): Likewise.
6024 * dwarf2out.c (prune_unused_types_walk): Likewise.
6025 * ifcvt.c (noce_try_cmove_arith): Likewise.
6026 * langhooks.c (add_builtin_function): Likewise.
6027 * reg-stack.c (subst_stack_regs_pat): Likewise.
6028 * tree.c (expanded_location): Likewise.
6029 * tree-dump.c (dequeue_and_dump): Likewise.
6031 2006-10-30 David Daney <ddaney@avtrex.com>
6033 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
6035 2006-10-30 Jakub Jelinek <jakub@redhat.com>
6037 PR tree-optimization/29637
6038 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
6039 of the innertype is the innertype itself.
6041 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
6043 * dwarf2out.c (file_name_acquire): Correct typo.
6045 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
6047 * tree.h (tree_value_handle): Remove struct value_set declaration.
6048 Change value_set to bitmap_set.
6049 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
6050 * tree-vn.c (get_value_handle): Made inline and moved to
6052 * tree-flow-inline.h: (has_stmt_ann): New function.
6053 * tree-ssa-pre.c (expressions): New variable.
6054 (next_expression_id): Ditto.
6055 (alloc_expression_id): New function.
6056 (struct value_set): Remove.
6057 (get_expression_id): New function.
6058 (get_or_alloc_expression_id): Ditto.
6059 (expression_for_id): Ditto.
6060 (clear_expression_ids): Ditto.
6061 (FOR_EACH_EXPR_ID_IN_SET): New macro.
6062 (bb_value_sets): Renamed to bb_bitmap_sets.
6063 All value sets replaced with bitmap_sets.
6065 (BB_VISITED): New macro.
6066 (postorder): New variable.
6067 (add_to_value): Removed.
6068 (value_exists_in_set_bitmap): Ditto.
6069 (value_insert_into_set_bitmap): Ditto.
6072 (set_remove): Ditto.
6073 (set_contains_value): Ditto.
6074 (insert_into_set): Ditto.
6076 (find_leader): Ditto.
6077 (bitmap_set_subtract_from_value_set): Ditto.
6078 (value_insert_into_set): Ditto.
6079 (print_value_set): Ditto.
6080 (debug_value_set): Ditto.
6081 (constant_expr_p): New function.
6082 (bitmap_remove_from_set): Ditto.
6083 (bitmap_insert_into_set): Ditto.
6084 (bitmap_set_free): Ditto.
6085 (vh_compare): Ditto.
6086 (sorted_array_from_bitmap_set): Ditto.
6087 (bitmap_set_subtract): Ditto.
6088 (bitmap_set_equal): Ditto.
6089 (debug_bitmap_set): Ditto.
6090 (find_leader_in_sets): Ditto.
6091 (bitmap_set_replace_value): Modify for bitmapped sets.
6092 (phi_translate): Ditto.
6093 (phi_translate_set): Ditto.
6094 (bitmap_find_leader): Ditto.
6095 (valid_in_sets): Ditto.
6096 (union_contains_value): Ditto.
6098 (compute_antic_aux): Ditto. Mark changed blocks.
6099 (compute_antic): Ditto. Iterate in postorder and only over
6101 (compute_rvuse_and_antic_safe): Reuse postorder.
6102 (create_component_ref_by_pieces): Modify for bitmapped sets.
6103 (find_or_generate_expression): Ditto.
6104 (create_expression_by_pieces): Ditto.
6105 (insert_into_preds_of_block): Ditto.
6106 (changed_blocks): New variable.
6107 (do_regular_insertion): Broken out from insert_aux.
6108 (insert_aux): Modified for bitmapped sets.
6109 (find_existing_value_expr): New function.
6110 (create_value_expr_from): Use it.
6111 (insert_extra_phis): Removed.
6112 (print_bitmap_set): Renamed from bitmap_print_value_set.
6113 (compute_avail): Handle RETURN_EXPR.
6114 (init_pre): Modify for bitmapped sets.
6115 * tree-flow.h (has_stmt_ann): New function.
6117 2006-10-29 Roger Sayle <roger@eyesopen.com>
6119 * builtins.c (fold_builtin_floor): Check for the availability of
6120 the C99 trunc function before transforming floor into trunc.
6122 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6124 * builtins.c (fold_builtin_hypot): Rearrange recursive
6125 transformation before others, and also do ABS_EXPR. When
6126 necessary, check flag_unsafe_math_optimizations. When necessary,
6129 2006-10-29 Roger Sayle <roger@eyesopen.com>
6131 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
6132 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
6133 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
6134 Fold -X eq/ne -Y as X eq/ne Y.
6136 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6138 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
6139 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
6140 rather than GENERATE_MULT3_SI in the various define_peephole2s.
6141 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
6142 Use an inclusive test for "mult" rather than "mul".
6143 (rotr<mode>3): Depend on ISA_HAS_ROR.
6144 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
6146 (GENERATE_MULT3_DI): Delete.
6147 (ISA_HAS_64BIT_REGS): Use consistent formatting.
6148 (ISA_HAS_MUL3): New macro.
6149 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
6150 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
6151 (ISA_HAS_CLZ_CLO): Likewise.
6152 (ISA_HAS_DCLZ_DCLO): Delete.
6153 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
6154 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
6155 the VR4120 and VR4130.
6156 (ISA_HAS_MACCHI): Use consistent formatting.
6157 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
6158 (ISA_HAS_ROR): ...this new macro.
6159 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
6160 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
6161 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
6163 2006-10-29 Roger Sayle <roger@eyesopen.com>
6165 PR tree-optimization/15458
6166 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
6169 2006-10-29 Richard Guenther <rguenther@suse.de>
6171 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
6172 (ix86_expand_truncdf_32): Likewise.
6173 * config/i386/i386.c (ix86_expand_trunc): New function expanding
6174 trunc inline for SSE math and -fno-trapping-math and if not
6175 optimizing for size.
6176 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
6177 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
6178 for expanding btrunc inline for SSE math.
6180 2006-10-29 Joseph Myers <joseph@codesourcery.com>
6182 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
6183 Handle tuning for bi-arch i[34567]86-*-linux* like that for
6184 i[34567]86-*-solaris2.1[0-9]*.
6185 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
6186 Define conditionally depending on TARGET_64BIT_DEFAULT.
6187 (SPEC_32, SPEC_64): Define.
6188 (LINK_SPEC): Use them.
6189 * doc/install.texi (--enable-targets=all): Document for x86-linux.
6191 2006-10-29 Richard Guenther <rguenther@suse.de>
6193 * config/i386/i386-protos.h (ix86_expand_round): Declare.
6194 (ix86_expand_rounddf_32): Likewise.
6195 * config/i386/i386.c (ix86_expand_round): New function expanding
6196 round inline for SSE math and -fno-trapping-math and if not
6197 optimizing for size.
6198 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
6199 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
6200 round via ix86_expand_round.
6202 2006-10-29 Richard Guenther <rguenther@suse.de>
6204 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
6205 (ix86_expand_floorceildf_32): Likewise.
6206 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
6207 static helper function.
6208 (ix86_expand_floorceil): Expander for floor and ceil to SSE
6210 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
6211 * config/i386/i386.md (floordf2): Adjust to enable floor
6212 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
6213 -fno-trapping-math is enabled and if not optimizing for size.
6214 (floorsf2, ceildf2, ceilsf2): Likewise.
6215 * config/i386/sse.md (sse_maskcmpsf3): New insn.
6216 (sse2_maskcmpdf3): Likewise.
6218 2006-10-29 Richard Guenther <rguenther@suse.de>
6220 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
6221 rint in case -fno-trapping-math is enabled.
6222 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
6223 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
6224 (ix86_expand_sse_fabs): Likewise.
6225 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
6226 * config/i386/i386.md (rintdf2): Enable for SSE math if
6227 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
6228 (rintsf2): Likewise.
6230 2006-10-29 Richard Guenther <rguenther@suse.de>
6232 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
6233 to conversion optabs.
6234 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
6235 as conversion optab.
6236 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
6237 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
6238 (lfloor_optab, lceil_optab): Adjust defines.
6239 * builtins.c (expand_builtin_int_roundingfn): Adjust for
6240 lfloor and lceil optabs now being conversion optabs.
6241 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
6242 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
6243 New static helper function.
6244 (ix86_expand_lfloorceil): New function to expand lfloor and
6246 * config/i386/i386.md (lfloor<mode>2): Split into ...
6247 (lfloorxf<mode>2): ... x87 variant
6248 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
6249 using ix86_expand_lfloorceil.
6250 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
6252 * doc/md.texi (lfloorMN, lceilMN): Document.
6254 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6256 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
6257 -mno-shared assembler option on mips targets.
6258 * configure, config.in: Regenerate.
6259 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
6260 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
6261 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
6263 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6265 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
6266 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
6268 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
6270 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
6271 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
6274 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6277 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
6278 (fold_builtin_pow): Evaluate constant arguments at compile-time
6280 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
6281 (do_mpfr_ckconv): New helper function.
6282 (do_mpfr_arg1): Use do_mpfr_ckconv.
6283 (do_mpfr_arg2): New.
6285 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
6288 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
6289 (-fdump-rtl-sched): Rename to ..
6290 (-fdump-rtl-sched1): here. Also fix file extension number.
6292 2006-10-28 Richard Guenther <rguenther@suse.de>
6294 * fold-const.c (maybe_canonicalize_comparison): Fix code
6297 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6299 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
6300 (NON_QI_REG_P): Use IN_RANGE.
6301 (REX_INT_REGNO_P): Use IN_RANGE.
6302 (FP_REGNO_P): Use IN_RANGE.
6303 (SSE_REGNO_P): Use IN_RANGE.
6304 (REX_SSE_REGNO_P): Use IN_RANGE.
6305 (MMX_REGNO_P): Use IN_RANGE.
6306 (STACK_REGNO_P): New macro.
6307 (STACK_REG_P): Use STACK_REGNO_P.
6308 (NON_STACK_REG_P): Use STACK_REGNO_P.
6309 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
6310 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
6311 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
6312 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
6313 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
6315 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
6317 * except.h (output_function_exception_table): Add 'const char*' param.
6318 * except.c (switch_to_exception_section): Add 'const char*' param.
6319 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
6320 and flag_function_sections is set, use a function-specific section.
6321 (output_function_exception_table): Add 'const char*' param.
6322 Adjust call to switch_to_exception_section.
6323 * final.c (rest_of_handle_final): Adjust calls to
6324 output_function_exception_table.
6325 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
6326 * config.in: Regenerate.
6327 * configure: Likewise.
6329 2006-10-28 Richard Guenther <rguenther@suse.de>
6332 * fold-const.c (maybe_canonicalize_comparison_1): Helper
6333 for maybe_canonicalize_comparison.
6334 (maybe_canonicalize_comparison): New function for canonicalizing
6336 (fold_comparison): Call it to canonicalize comparisons with
6339 2006-10-28 Richard Guenther <rguenther@suse.de>
6342 * builtins.c (expand_builtin_int_roundingfn_2): Expand
6343 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
6344 (expand_builtin): Adjust likewise.
6345 * genopinit.c (optabs[]): Add lround optab.
6346 * optabs.c (init_optabs): Initialize lround_optab.
6347 * optabs.h (enum convert_optab_index): Add COI_lround.
6348 (lround_optab): Define.
6349 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
6350 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
6352 (ix86_expand_lround): New function.
6353 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
6355 * doc/md.texi (lroundMN2): Document.
6357 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6360 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
6361 argument to HOST_WIDE_INT. Update function prototype.
6362 (round_frame_size): Change return type to HOST_WIDE_INT. Change
6363 "size" argument to HOST_WIDE_INT. Update function prototype.
6365 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6367 * config/i386/i386.c (output_387_ffreep): Create output from a
6368 template string for !HAVE_AS_IX86_FFREEP.
6370 2006-10-27 Eric Christopher <echristo@apple.com>
6372 * config/darwin.c: Fix formatting and grammar.
6374 2006-10-27 Jan Hubicka <jh@suse.cz>
6376 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
6377 to be thrown away soon when IGNORE is set.
6378 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
6379 indicating when return value shall not be computed.
6380 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
6382 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
6384 * config/i386/i386.h (TARGET_GEODE):
6385 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
6386 (TARGET_CPU_DEFAULT_geode): New macro.
6387 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
6388 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
6389 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
6390 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
6391 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
6393 (TARGET_CPU_DEFAULT_NAMES): Add geode.
6394 (processor_type): Add PROCESSOR_GEODE.
6396 * config/i386/i386.md: Include geode.md.
6399 * config/i386/i386.c (geode_cost): New initialized global
6401 (m_GEODE, m_K6_GEODE): New macros.
6402 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
6403 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
6404 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
6405 x86_schedule): Use m_K6_GEODE instead of m_K6.
6406 (x86_movx, x86_cmove): Set up m_GEODE.
6407 (x86_integer_DFmode_moves): Clear m_GEODE.
6408 (processor_target_table): Add entry for geode.
6409 (processor_alias_table): Ditto.
6411 * config/i386/geode.md: New file.
6413 * doc/invoke.texi: Add entry about geode processor.
6415 2006-10-27 Mike Stump <mrs@apple.com>
6417 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
6418 __DYNAMIC__ from here back to ...
6419 * config/darwin.h (CPP_SPEC): ... here.
6421 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
6422 Nathan Sidwell <nathan@codesourcery.com>
6424 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
6425 when choosing the minimum heapsize.
6427 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
6429 * gcc/unwind-dw2.h: Move cfa-related variables into
6430 struct frame_state_reg_info to ensure that the CFA is properly
6431 handled when executing DW_CFA_{remember,restore}_state.
6432 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
6433 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
6434 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
6435 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
6436 gcc/config/rs6000/linux-unwind.h,
6437 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
6438 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
6439 Modify to use new cfa_* fields.
6441 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
6443 * config/s390/s390.c (s390_init_frame_layout): Check positive
6446 2006-10-26 Ben Elliston <bje@au.ibm.com>
6448 * gimplify.c (get_name): Remove extraneous break.
6449 (gimplify_omp_for): Initialise ret with GS_OK.
6451 2006-10-25 Steve Ellcey <sje@cup.hp.com>
6453 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
6454 Add unix98.o to link line.
6456 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6459 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
6460 Calculate compile-time constants using MPFR.
6461 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
6462 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
6464 2006-10-25 Bob Wilson <bob.wilson@acm.org>
6466 * config/xtensa/lib2funcs.S: Use C-style comments.
6468 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
6470 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
6471 (file_table_relative_p): Likewise.
6472 (dwarf2out_finish): Likewise.
6473 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
6475 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
6477 * tree-ssa-structalias.c (intra_create_variable_infos):
6478 Don't recreate nonlocal_all if it already exists.
6480 2006-10-25 Richard Guenther <rguenther@suse.de>
6483 * optabs.h (enum optab_index): Remove OTI_lrint.
6484 (enum convert_optab_index): Add COI_lrint.
6485 (lrint_optab): Adjust.
6486 (expand_sfix_optab): Declare.
6487 * optabs.c (expand_sfix_optab): New function.
6488 (init_optabs): Init lrint_optab as conversion optab.
6489 * genopinit.c (lrint_optab): Change to a conversion optab.
6490 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
6491 expansion via conversion optab.
6492 * config/i386/i386.md (*fistdi2_1): Remove
6493 flag_unsafe_math_optimizations guard.
6494 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
6495 fist<mode>2_with_temp): Likewise.
6496 (lrint<mode>2): Split into...
6497 (lrintxf<mode>2): ... x87 part
6498 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
6499 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
6500 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
6501 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
6502 * doc/md.texi (lrintMN2): Document.
6504 2006-10-25 Uros Bizjak <uros@kss-loka.si>
6507 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
6508 Use inc and dec instructions for TARGET_USE_INCDEC.
6509 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
6510 ("sync_double_compare_and_swap<mode>"): Likewise.
6511 ("*sync_double_compare_and_swapdi_pic"): Likewise.
6512 ("*sync_compare_and_swap_cc<mode>"): Likewise.
6513 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
6514 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
6515 ("sync_old_add<mode>"): Likewise.
6516 ("sync_lock_test_and_set<mode>"): Likewise.
6517 ("sync_lock_test_and_set<mode>"): Likewise.
6518 ("sync_add<mode>"): Likewise.
6519 ("sync_sub<mode>"): Likewise.
6520 ("sync_ior<mode>"): Likewise.
6521 ("sync_and<mode>"): Likewise.
6522 ("sync_xor<mode>"): Likewise.
6524 2006-10-25 Uros Bizjak <uros@kss-loka.si>
6526 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
6527 (remainder_optab): Define corresponding macro.
6528 (drem_optab): Remove.
6529 * optabs.c (init_optabs): Initialize remainder_optab. Remove
6530 drem_optab initialization.
6531 * genopinit.c (optabs): Implement remainder_optab using
6532 remainder?f3 patterns. Remove drem_optab.
6533 * builtins.c (expand_builtin_mathfn_2): Handle
6534 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
6535 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
6536 expand_builtin_mathfn_2.
6538 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
6539 depend on flag_unsafe_math_optimizations.
6541 * config/i386/i386.md ("remaindersf3", "remainderdf3")
6542 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
6543 Do not depend on flag_unsafe_math_optimizations. Use
6544 truncxf?f expander instead of truncxf?f_i387_noop.
6546 ("fpremxf4", "fprem1xf4"): Do not depend on
6547 flag_unsafe_math_optimizations.
6548 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
6549 flag_unsafe_math_optimizations. Use truncxf?f expander
6550 instead of truncxf?f_i387_noop.
6552 * doc/md.texi (fmod, remainder): Document standard named pattern.
6554 2006-10-24 Richard Sandiford <richard@codesourcery.com>
6555 David Daney <ddaney@avtrex.com>
6558 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
6560 2006-10-25 Ben Elliston <bje@au.ibm.com>
6562 * doc/extend.texi (Variable Attributes): Typo fix.
6564 2006-10-24 Uros Bizjak <uros@kss-loka.si>
6566 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
6567 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
6568 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
6569 (FRAME_POINTER_REGNUM): Update register number to 21.
6570 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
6571 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
6573 * config/i386/i386.c (regclass_map): Add fpcr entry.
6574 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
6576 (print_reg): Assert REGNO (x) != FPCR_REG.
6578 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
6579 (DIRFLAG_REG): Renumber.
6580 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
6581 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
6582 (sse_prologue_save, *sse_prologue_save_insn): Renumber
6583 hardcoded SSE register numbers.
6585 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
6586 hardcoded MMX register numbers.
6588 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6591 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
6592 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
6594 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
6595 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
6596 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
6597 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
6599 2006-10-24 Richard Guenther <rguenther@suse.de>
6602 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
6603 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
6604 for deciding optimizations in consistency with fold-const.c
6605 (fold_builtin_unordered_cmp): Likewise.
6607 2006-10-24 Richard Guenther <rguenther@suse.de>
6609 * builtins.c (fold_builtin_floor): Fold floor (x) where
6610 x is nonnegative to trunc (x).
6611 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
6612 nonnegative to FIX_TRUNC_EXPR.
6614 2006-10-24 Richard Guenther <rguenther@suse.de>
6616 PR tree-optimization/29567
6617 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
6618 for TRUTH_NOT_EXPR. Clarify comments.
6620 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6623 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
6624 at compile-time using MPFR. Change parameter VALUE to FUNC,
6626 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
6627 for overflow and underflow at all times and avoid folding in
6630 2006-10-24 Ben Elliston <bje@au.ibm.com>
6632 * reload1.c: Formatting fixes.
6634 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
6636 PR tree-optimization/14784
6637 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
6638 * tree-ssa-structalias.c (get_constraint_for,
6639 intra_create_variable_infos): Set is_heapvar.
6640 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
6641 non-heapvar pointer variables specially.
6643 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6646 * builtins.c (fold_builtin_sin, fold_builtin_cos,
6647 fold_builtin_tan): Fold all constant arguments. Take a "type"
6648 argument as necessary.
6649 (do_mpfr_arg1): New.
6650 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
6652 2006-10-23 Bob Wilson <bob.wilson@acm.org>
6654 * config/xtensa/lib1funcs.asm: Use C-style comments.
6656 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
6658 * tree.c (local_define_builtin): Replace calls to
6659 lang_hooks.builtin_function with add_builtin_function.
6660 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
6662 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
6664 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
6665 common code to add_builtin_function.
6666 * langhooks.c (add_builtin_function): New function.
6667 (lhd_builtin_function): New function.
6668 * langhooks.h (struct lang_hooks): Change the signature of
6670 (add_builtin_function): New function.
6671 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
6672 calls to lang_hooks.builtin_function with add_builtin_function.
6673 * c-common.c (decl_builtin_1): Replace calls to
6674 lang_hooks.builtin_function with add_builtin_function.
6675 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
6676 lang_hooks.builtin_function with add_builtin_function.
6677 * config/frv/frv.c (def_builtin): Replace calls to
6678 lang_hooks.builtin_function with add_builtin_function.
6679 * config/s390/s390.c (s390_init_builtins): Replace calls to
6680 lang_hooks.builtin_function with add_builtin_function.
6681 * config/sparc/sparc.c (def_builtin): Replace calls to
6682 lang_hooks.builtin_function with add_builtin_function.
6683 * config/i386/i386.c (def_builtin): Replace calls to
6684 lang_hooks.builtin_function with add_builtin_function.
6685 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
6686 lang_hooks.builtin_function with add_builtin_function.
6687 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
6688 lang_hooks.builtin_function with add_builtin_function.
6689 * config/stormy16/stormy16.c (xstormy16_init_builtins):
6690 Replace calls to lang_hooks.builtin_function with
6691 add_builtin_function.
6692 * config/iq2000/iq2000.c (def_builtin):
6693 Replace calls to lang_hooks.builtin_function with
6694 add_builtin_function.
6695 * config/ia64/ia64.c (def_builtin): Replace calls to
6696 lang_hooks.builtin_function with add_builtin_function.
6697 * config/rs6000/rs6000.c (def_builtin): Replace calls to
6698 lang_hooks.builtin_function with add_builtin_function.
6699 (altivec_init_builtins): Replace calls to
6700 lang_hooks.builtin_function with add_builtin_function.
6701 * config/arm/arm.c (def_mbuiltin): Replace calls to
6702 lang_hooks.builtin_function with add_builtin_function.
6703 (arm_init_tls_builtins): Replace calls to
6704 lang_hooks.builtin_function with add_builtin_function.
6705 * config/mips/mips.c (mips_init_builtins): Replace calls to
6706 lang_hooks.builtin_function with add_builtin_function.
6707 * config/bfin/bfin.c (def_builtin): Replace calls to
6708 lang_hooks.builtin_function with add_builtin_function.
6709 * langhooks-def.h (lhd_builtin_function): New function.
6710 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
6712 2006-10-23 Jakub Jelinek <jakub@redhat.com>
6714 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
6715 BUILT_IN_STRNCAT_CHK.
6717 2006-10-23 Jan Hubicka <jh@suse.cz>
6719 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
6720 don't do conversion from memmove to memcpy here.
6721 (expand_builtin_bcopy, expand_builtin): Update call of
6722 expand_builtin_memmove.
6723 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
6725 2006-10-23 Paul Brook <paul@codesourcery.com>
6727 * stor-layout.c (start_record_layout): maximum_field_alignment
6728 overrides STRUCTURE_SIZE_BOUNDARY.
6730 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
6732 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
6733 nonlocal function symbols if flag_pic.
6735 2006-10-23 Richard Guenther <rguenther@suse.de>
6739 * builtins.c (fold_binary): Remove checks for flag_wrapv
6740 and flag_trapv where negate_expr_p covers these cases.
6742 2006-10-23 Richard Guenther <rguenther@suse.de>
6745 * fold-const.c (fold_plusminus_mult_expr): Check exact power
6746 of two on the absolute value.
6747 (fold_binary): Fold x * -C to -x * C if x is easily negatable
6748 and negating -C does not overflow.
6750 2006-10-23 Richard Guenther <rguenther@suse.de>
6753 * convert.c (convert_to_real): Fold (float)-x to -(float)x
6754 only if not flag_rounding_math.
6756 2006-10-22 Richard Sandiford <richard@codesourcery.com>
6757 Kaz Kojima <kkojima@gcc.gnu.org>
6760 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
6761 SImode memory reference for the source of a movua.
6762 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
6763 (movua): Use an unspec instead of sign_extract. Expect the source
6764 to have mode BLKmode.
6765 (extv, insv): Use a BLKmode rather than SImode memory reference
6766 for the source of a movua.
6768 2006-10-22 Jeff Law <law@redhat.com>
6769 Richard Guenther <rguenther@suse.de>
6771 PR tree-optimization/15911
6772 * tree-vrp.c (extract_code_and_val_from_cond): New function.
6773 (register_edge_assert_for_1): Likewise.
6774 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
6775 (find_conditional_asserts): Adjust for new function signature.
6776 (find_assert_locations): Likewise.
6778 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
6780 * config/i386/tmmintrin.h: Remove the duplicated content.
6782 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
6784 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
6785 (x86_64-*-*): Likewise.
6787 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
6788 (override_options): Check SSSE3.
6789 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
6790 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
6791 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
6792 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
6793 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
6794 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
6795 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
6796 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
6797 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
6798 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
6799 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
6800 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
6801 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
6802 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
6803 IX86_BUILTIN_PABSD128.
6804 (bdesc_2arg): Add SSSE3.
6805 (bdesc_1arg): Likewise.
6806 (ix86_init_mmx_sse_builtins): Support SSSE3.
6807 (ix86_expand_builtin): Likewise.
6808 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
6810 * config/i386/i386.md (UNSPEC_PSHUFB): New.
6811 (UNSPEC_PSIGN): Likewise.
6812 (UNSPEC_PALIGNR): Likewise.
6813 Include mmx.md before sse.md.
6815 * config/i386/i386.opt: Add -mssse3.
6817 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
6818 (ssse3_phaddwv4hi3): Likewise.
6819 (ssse3_phadddv4si3): Likewise.
6820 (ssse3_phadddv2si3): Likewise.
6821 (ssse3_phaddswv8hi3): Likewise.
6822 (ssse3_phaddswv4hi3): Likewise.
6823 (ssse3_phsubwv8hi3): Likewise.
6824 (ssse3_phsubwv4hi3): Likewise.
6825 (ssse3_phsubdv4si3): Likewise.
6826 (ssse3_phsubdv2si3): Likewise.
6827 (ssse3_phsubswv8hi3): Likewise.
6828 (ssse3_phsubswv4hi3): Likewise.
6829 (ssse3_pmaddubswv8hi3): Likewise.
6830 (ssse3_pmaddubswv4hi3): Likewise.
6831 (ssse3_pmulhrswv8hi3): Likewise.
6832 (ssse3_pmulhrswv4hi3): Likewise.
6833 (ssse3_pshufbv16qi3): Likewise.
6834 (ssse3_pshufbv8qi3): Likewise.
6835 (ssse3_psign<mode>3): Likewise.
6836 (ssse3_psign<mode>3): Likewise.
6837 (ssse3_palignrti): Likewise.
6838 (ssse3_palignrdi): Likewise.
6839 (abs<mode>2): Likewise.
6840 (abs<mode>2): Likewise.
6842 * config/i386/tmmintrin.h: New file.
6844 * doc/extend.texi: Document SSSE3 built-in functions.
6846 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
6848 2006-10-22 Ira Rosen <irar@il.ibm.com>
6850 * tree-vect-transform.c (vectorizable_load): Use the type of the
6851 return value of the mask_for_load builtin to create realign_load
6854 2006-10-22 Richard Sandiford <richard@codesourcery.com>
6856 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
6859 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
6861 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
6862 (UNSPEC_LDDQU): This.
6863 * config/i386/sse.md (sse3_lddqu): Updated.
6865 2006-10-21 Richard Guenther <rguenther@suse.de>
6867 * builtins.c (expand_builtin_int_roundingfn_2): New function.
6868 (expand_builtin): Use it to expand lrint instead of
6869 expand_builtin_mathfn.
6871 2006-10-21 Uros Bizjak <uros@kss-loka.si>
6874 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
6875 flag_unsafe_math_optimizations is set.
6877 2006-10-21 Uros Bizjak <uros@kss-loka.si>
6880 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
6881 patterns to use memory input operand in x87->mem->XMM
6882 reload sequences. Skip transformation for TARGET_K8.
6884 2006-10-21 Uros Bizjak <uros@kss-loka.si>
6886 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
6887 force operand1 to register if both operands are memory operands.
6888 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
6889 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
6890 if both operands are memory operands.
6891 (truncdfsf2): Do not force operand1 to register if both operands
6892 are memory operands.
6894 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6896 * Makefile.in (LIBS): Add $(GMPLIBS).
6897 * doc/install.texi: Update GMP and MPFR requirements.
6898 * doc/sourcebuild.texi (need_gmp): Delete.
6900 2006-10-21 Richard Guenther <rguenther@suse.de>
6902 PR tree-optimization/3511
6903 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
6904 got new invariant arguments during PHI translation.
6906 2006-10-21 Richard Guenther <rguenther@suse.de>
6909 * fold-const.c (fold_comparison): Fold signed comparisons
6910 of the form X +- C1 CMP Y +- C2.
6912 2006-10-21 Richard Guenther <rguenther@suse.de>
6915 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
6916 if flag_unsafe_math_optimizations is specified. We have
6917 flag_finite_math_only for that.
6918 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
6919 or flag_unsafe_math_optimizations.
6921 2006-10-21 Richard Guenther <rguenther@suse.de>
6923 * builtins.c (fold_builtin_classify): Fix typo.
6925 2006-10-21 Richard Guenther <rguenther@suse.de>
6928 * simplify-rtx.c (simplify_const_relational_operation):
6929 Do not constant-fold ORDERED and UNORDERED for
6930 flag_unsafe_math_optimizations but only we do not need to
6931 honor NaNs for the given mode.
6933 2006-10-21 Richard Guenther <rguenther@suse.de>
6936 * config/i386/i386.c (classify_argument): Remove redundant
6937 walking of the BINFOs.
6938 (contains_128bit_aligned_vector_p): Likewise.
6940 2006-10-20 Mark Mitchell <mark@codesourcery.com>
6942 * BASE-VER: Set to 4.3.0.
6944 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
6946 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
6947 (tree_decl_with_vis): Remove artificial_pta_var flag.
6948 * tree-flow.h (referenced_var_check_and_insert): Expose.
6949 (nonlocal_all): New prototype.
6950 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
6951 (nonlocal_all): Make global.
6952 (nonlocal_lookup): Remove.
6953 (nonlocal_insert): Ditto.
6954 (create_nonlocal_var): Do not call nonlocal_insert.
6955 (get_nonlocal_id_for_type): Remove.
6956 (find_global_initializers): Mark new vars we find for renaming.
6957 (intra_create_variable_infos): Only create one nonlocal.
6958 (expand_nonlocal_solutions): Remove.
6959 (compute_points_to_sets): Don't call it.
6960 (ipa_pta_execute): Ditto.
6961 (init_alias_heapvars): Don't create nonlocal_for_type.
6962 (delete_alias_heapvars): Don't remove it.
6963 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
6966 2006-10-19 Brooks Moses <bmoses@stanford.edu>
6968 * doc/install.texi (Downloading GCC): Clarify mention of
6969 Fortran in the "full distribution" description.
6971 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
6973 Fix PR tree-optimization/28778
6974 Fix PR tree-optimization/29156
6975 Fix PR tree-optimization/29415
6976 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
6977 (tree_decl_with_vis): Add artificial_pta_var flag.
6978 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
6979 pushed into callers.
6980 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
6981 (nonlocal_all): Ditto.
6982 (struct variable_info): Add directly_dereferenced member.
6983 (var_escaped_vars): New variable.
6984 (escaped_vars_tree): Ditto.
6985 (escaped_vars_id): Ditto.
6986 (nonlocal_vars_id): Ditto.
6987 (new_var_info): Set directly_dereferenced.
6988 (graph_size): New variable
6989 (build_constraint_graph): Use graph_size.
6990 (solve_graph): Don't process constraints that cannot change the
6991 solution, don't try to propagate an empty solution to our
6993 (process_constraint): Set directly_dereferenced.
6994 (could_have_pointers): New function.
6995 (get_constraint_for_component_ref): Don't process STRING_CST.
6996 (nonlocal_lookup): New function.
6997 (nonlocal_insert): Ditto.
6998 (create_nonlocal_var): Ditto.
6999 (get_nonlocal_id_for_type): Ditto.
7000 (get_constraint_for): Allow results vector to be empty in the case
7001 of string constants.
7002 Handle results of calls properly.
7003 (update_alias_info): Update alias info stats on number and type of
7005 (find_func_aliases): Use could_have_pointers.
7006 (make_constraint_from_escaped): Renamed from
7007 make_constraint_to_anything, and changed to make constraints from
7009 (make_constraint_to_escaped): New function.
7010 (find_global_initializers): Ditto.
7011 (create_variable_info_for): Make constraint from escaped to any
7012 global variable, and from any global variable to the set of
7014 (intra_create_variable_infos): Deal with escaped instead of
7015 pointing to anything.
7016 (set_uids_in_ptset): Do type pruning on directly dereferenced
7018 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
7019 (init_base_vars): Fix comment, and initialize escaped_vars.
7020 (need_to_solve): Removed.
7021 (find_escape_constraints): New function.
7022 (expand_nonlocal_solutions): Ditto.
7023 (compute_points_to_sets): Call find_escape_constraints and
7024 expand_nonlocal_solutions.
7025 (delete_points_to_sets): Don't fall off the end of the graph.
7026 (init_alias_heapvars): Initialize nonlocal_for_type and
7028 (delete_alias_heapvars): Free nonlocal_for_type and null out
7031 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
7033 * fold-const.c (add_double): Rename to add_double_with_sign.
7034 Add 'unsigned_p' parameter and take it into account for the overflow.
7035 (mul_double): Rename to mul_double_with_sign.
7036 Add 'unsigned_p' parameter and take it into account for the overflow.
7037 (fold_div_compare): Call add_double_with_sign instead of add_double
7038 and mul_double_with_sign instead of mul_double, passing them the
7039 unsignedness of the type.
7040 * tree.h (add_double): Macroize.
7041 (add_double_with_sign): New prototype.
7042 (mul_double): Macroize.
7043 (mul_double_with_sign): New prototype.
7045 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
7047 * config/score/crti.asm: New file.
7048 * config/score/crtn.asm: New file.
7049 * config/score/elf.h: New file.
7050 * config/score/mac.md: New file.
7051 * config/score/misc.md: New file.
7052 * config/score/mul-div.S: New file.
7053 * config/score/predicates.md: New file.
7054 * config/score/score7.md: New file.
7055 * config/score/score.c: New file.
7056 * config/score/score-conv.h: New file.
7057 * config/score/score.h: New file.
7058 * config/score/score.md: New file.
7059 * config/score/score-mdaux.c: New file.
7060 * config/score/score-mdaux.h: New file.
7061 * config/score/score-modes.def: New file.
7062 * config/score/score.opt: New file.
7063 * config/score/score-protos.h: New file.
7064 * config/score/score-version.h: New file.
7065 * config/score/t-score-elf: New file.
7066 * config.gcc: Add score*-*-* configurations(Update before).
7067 * doc/invoke.texi (Score Options): New section.
7068 * doc/md.texi (Score family): New section to document constraints.
7070 2006-10-19 Nick Clifton <nickc@redhat.com>
7072 * config/arm/arm.c: Fix spelling typo.
7074 2006-10-18 Tom Tromey <tromey@redhat.com>
7076 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
7078 2006-10-18 Jan Hubicka <jh@suse.cz>
7081 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
7084 2006-10-18 Marcin Dalecki <martin@dalecki.de>
7086 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
7087 TSI_SAME_STMT, since that's the desired entity.
7089 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
7091 * config/s390/contraints.md: New file.
7092 * config/s390/s390-protos.h (s390_mem_constraint,
7093 s390_O_constraint_str, s390_N_constraint_str,
7094 s390_float_const_zero_p): Function prototypes added.
7095 * config/s390/s390.c (s390_extra_constraint_str,
7096 s390_const_double_ok_for_constraint_p,
7097 s390_const_ok_for_constraint_p): Functions removed.
7098 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
7099 s390_float_const_zero_p): New functions.
7100 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
7101 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
7102 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
7103 Macro definitions removed.
7104 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
7105 s390_extra_constraint_str): Functions removed.
7107 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
7108 Richard Sandiford <richard@codesourcery.com>
7111 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
7112 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
7114 2006-10-16 Geoffrey Keating <geoffk@apple.com>
7116 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
7117 (DWARF2_FRAME_REG_OUT): Likewise.
7118 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
7119 (DWARF2_FRAME_REG_OUT): Likewise.
7121 2006-10-17 Paul Brook <paul@codesourcery.com>
7123 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
7125 2006-10-16 Brooks Moses <bmoses@stanford.edu>
7127 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
7128 Standardize on "GNU Fortran" as the official name of the Fortran
7131 2006-10-16 Mike Stump <mrs@apple.com>
7133 * doc/invoke.texi (Darwin Options): Document -mkernel.
7134 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
7136 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
7137 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
7138 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
7139 (OS_MISSING_ALTIVEC): Add.
7140 * config/i386/i386.c (override_options): Add
7141 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
7142 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
7143 -mkernel, -static or -mdynamic-no-pic is given.
7144 (C_COMMON_OVERRIDE_OPTIONS): Add.
7145 * config/darwin.opt (fapple-kext): Add.
7147 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
7148 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
7150 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
7151 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
7152 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
7153 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
7154 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
7155 (flag_mkernel): Add.
7156 (flag_apple_kext): Add.
7157 (TARGET_KEXTABI): Add.
7158 * config/darwin.c (darwin_handle_kext_attribute): Add.
7159 (DARWIN_VTABLE_P): Add.
7160 (darwin_binds_local_p): Add partial support for rebinding vtables
7162 (darwin_kextabi_p): Add.
7163 (darwin_override_options): Add.
7164 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
7165 (darwin_kextabi_p): Add.
7166 (darwin_override_options): Add.
7167 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
7168 __DYNAMIC__ and __STATIC__ here.
7170 2006-10-16 Brooks Moses <bmoses@stanford.edu>
7172 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
7173 Added mention of "make pdf" target, and Texinfo requirements for
7176 2006-10-16 DJ Delorie <dj@redhat.com>
7178 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
7179 into the GOT in case we need a subreg of the address.
7181 2006-10-16 Richard Guenther <rguenther@suse.de>
7184 * doc/extend.texi (X86 Built-in Functions): Fix typos in
7185 SSE builtin documentation. Document SSE2 builtins.
7187 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7189 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
7190 symbol in the output file for non-shared links when -nostdlib or
7191 -nodefaultlibs isn't specified.
7193 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
7194 posix thread support.
7196 2006-10-15 Jan Hubicka <jh@suse.cz>
7199 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
7200 declared always_inline even when not inlining.
7202 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7203 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7204 Andrew Pinski <pinskia@gmail.com>
7207 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
7209 2006-10-15 Jan Hubicka <jh@suse.cz>
7210 Richard Guenther <rguenther@suse.de>
7213 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
7214 process_function_and_variable_attributes on all variables, including
7215 those discovered during cgraph construction phase.
7217 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
7219 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
7221 2006-10-14 Uros Bizjak <uros@kss-loka.si>
7223 * config/i386/athlon.md (athlon_fist): Add fisttp.
7225 2006-10-13 David Edelsohn <edelsohn@gnu.org>
7226 Ian Lance Taylor <ian@airs.com>
7229 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
7230 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
7233 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
7235 * config/score/score.c, config/score/score.h: Fix comment
7238 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7241 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
7244 2006-10-13 Eric Christopher <echristo@apple.com>
7246 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
7248 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7251 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7252 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
7253 alignment supported by 32-bit ELF.
7255 2006-10-13 Eric Christopher <echristo@apple.com>
7257 * config/darwin.c (darwin_emit_unwind_label): Strip
7258 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
7260 2006-10-13 Richard Guenther <rguenther@suse.de>
7262 PR tree-optimization/29446
7263 * tree-vrp.c (fix_equivalence_set): Remove.
7264 (extract_range_from_assert): Do not call fix_equivalence_set.
7265 (debug_value_range): Print a newline.
7266 (compare_name_with_value): For equivalence sets with
7267 inconsistent value ranges conservatively bail out.
7268 (compare_names): Likewise.
7270 2006-10-13 David Edelsohn <edelsohn@gnu.org>
7272 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
7273 and MPFR for gfortran.
7275 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7277 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
7278 alignment supported by 32-bit ELF.
7280 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
7284 * c-typeck.c (digest_init): Always allow initializing vectors
7285 that have static storage duration with compound literals.
7286 * tree.c (build_type_attribute_qual_variant): New, based on
7287 build_type_attribute_variant.
7288 (build_type_attribute_variant): Rewrite using the former.
7289 (make_vector_type): Use build_type_attribute_qual_variant to build
7290 type variants. Use type_hash_canon on the others.
7292 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
7293 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
7295 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
7297 2006-10-12 Jan Hubicka <jh@suse.cz>
7300 * c-decl.c (c_make_fname_decl): Do not segfault in case where
7301 current_function_decl is set but current_function_scope is not.
7303 2006-10-12 Jie Zhang <jie.zhang@analog.com>
7305 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
7306 emit_insn to emit eh_return_internal instruction.
7307 (eh_return_internal): Explicitly set pc.
7309 2006-10-11 Richard Guenther <rguenther@suse.de>
7311 PR tree-optimization/28230
7312 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
7313 to the correct place.
7315 2006-10-11 Richard Guenther <rguenther@suse.de>
7318 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
7321 2006-10-10 Brooks Moses <bmoses@stanford.edu>
7323 * configure.ac: Added pdf to "Make-hooks"
7324 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
7325 targets and *.pdf file patterns in cleanup targets.
7326 * configure: Regenerated.
7328 2006-10-10 Anatoly Sokolov <aesok@post.ru>
7330 * config/avr/predicates.md: New file.
7331 * config/avr/avr.md: Include it.
7332 (REG_SP): New constant.
7333 (peepholes): Use predicates.
7334 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
7335 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
7336 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
7338 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
7340 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
7343 2006-10-10 Jakub Jelinek <jakub@redhat.com>
7346 * builtins.c (var_decl_component_p): New function.
7347 (fold_builtin_memset, fold_builtin_memory_op): Restrict
7348 single entry optimization to variables and components thereof.
7350 2006-10-10 Richard Guenther <rguenther@suse.de>
7352 PR rtl-optimization/29323
7353 * except.c (set_nothrow_function_flags): For functions
7354 that do not bind local bail out early.
7356 2006-10-10 Ben Elliston <bje@au.ibm.com>
7358 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
7361 2006-10-09 Richard Henderson <rth@redhat.com>
7363 Revert emutls patch.
7365 2006-10-09 Richard Guenther <rguenther@suse.de>
7368 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
7371 2006-10-09 Steve Ellcey <sje@cup.hp.com>
7374 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
7375 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
7376 * configure: Regenerate.
7377 * config.in: Regenerate.
7379 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
7381 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
7383 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7385 * config/mips/mips.c (mips_legitimize_tls_address): Implement
7386 all TLS models in the same way as local exec if !TARGET_ABICALLS.
7387 Remove stray newline.
7389 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7391 * config/mips/mips.c (mips_classify_symbol): Do not return
7392 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
7393 (mips_in_small_data_p): Tweak comments.
7395 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7397 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
7399 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
7401 * gimplify.c, sched-int.h: Fix comment typos.
7403 * sched-int.h: Fix comment typos.
7405 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7407 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
7409 * sched-ebb.c (begin_schedule_ready): Use them.
7410 * haifa-sched.c (schedule_insn, move_insn, try_ready,
7411 add_to_speculative_block, create_check_block_twin, speculate_insn,
7412 fix_jump_move, move_block_after_check): Ditto.
7413 * sched-rgn.c (new_ready): Ditto.
7415 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7417 PR rtl-optimization/29128
7418 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
7419 * sched-ebb.c (advance_target_bb): Use it to fix condition to
7420 allow interblock movement of speculation checks.
7422 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
7425 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
7426 casted to integer type.
7427 (get_address_cost): Decrease cost of [symbol + index] addressing modes
7428 if they are significantly more expensive than [reg + index] ones.
7430 2006-10-06 Jakub Jelinek <jakub@redhat.com>
7432 PR tree-optimization/29330
7433 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
7434 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
7435 on newly allocated ddrs.
7436 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
7437 to VEC (loop_p, heap) pointer.
7438 (compute_data_dependences_for_loop): Adjust caller.
7439 (free_dependence_relations): Free DDR_LOOP_NEST.
7441 * tree-loop-linear.c (linear_transform_loops): Don't forget to
7442 free DEPENDENCE_RELATIONS and DATAREFS.
7445 * builtins.c (expand_builtin_sync_operation,
7446 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
7447 Use convert_to_mode to handle promoted arguments.
7449 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
7451 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
7453 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
7455 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
7457 2006-10-05 Uros Bizjak <uros@kss-loka.si>
7459 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
7460 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
7461 Use <modeconstraint> instead of "r" as operand 1 constraint.
7463 2006-10-06 Olivier Hainque <hainque@adacore.com>
7465 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
7466 Don't recurse on the pointed-to type.
7467 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
7468 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
7469 types with components of variable size.
7471 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
7473 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
7475 2006-10-06 Jakub Jelinek <jakub@redhat.com>
7477 PR tree-optimization/29290
7478 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
7482 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
7483 * config/i386/predicates.md (local_symbolic_operand): Likewise.
7486 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
7487 the number of vector elements fill the rest with zeros.
7489 2006-10-05 Richard Sandiford <richard@codesourcery.com>
7491 * config/mips/mips.c (mips_pass_by_reference): Do not return false
7492 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
7495 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
7497 * config/bfin/bfin.md (subsi3): Lose expander, change previously
7498 unnamed pattern into subsi3. Use correct constraints/predicates.
7499 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
7500 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
7502 2006-10-05 Ira Rosen <irar@il.ibm.com>
7504 * doc/loop.texi: Add data references analysis description.
7506 2006-10-04 Brooks Moses <bmoses@stanford.edu>
7508 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
7510 2006-10-04 Richard Henderson <rth@redhat.com>
7511 Jakub Jelinek <jakub@redhat.com>
7513 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
7514 * builtin-types.def (BT_WORD): Make unsigned.
7515 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
7516 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
7517 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
7518 * c-decl.c (grokdeclarator): Don't error if !have_tls.
7519 * c-parser.c (c_parser_omp_threadprivate): Likewise.
7520 * cgraph.c (decide_is_variable_needed): Look at force_output.
7521 Recurse for emulated tls.
7522 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
7523 checks redundant with decide_is_variable_needed.
7524 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
7525 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
7527 * expr.c (emutls_var_address): New.
7528 (expand_expr_real_1): Expand emulated tls.
7529 (expand_expr_addr_expr_1): Likewise.
7530 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
7531 * output.h (emutls_finish): Declare.
7532 * toplev.c (compile_file): Call it.
7533 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
7534 address before wrapping in CONST.
7535 * varasm.c (emutls_htab, emutls_object_type): New.
7536 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
7537 (get_emutls_object_name, get_emutls_object_type): New.
7538 (get_emutls_init_templ_addr, emutls_decl): New.
7539 (emutls_common_1, emutls_finish): New.
7540 (assemble_variable): When emulating tls, swap decls; generate
7541 constructor for the emutls objects.
7542 (do_assemble_alias): When emulating tls, swap decl and target name.
7543 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
7545 * emutls.c: New file.
7546 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
7547 tls_object for real tls.
7549 2006-10-04 Zack Weinberg <zackw@panix.com>
7551 Fix bug in constraint-check generator, reported by Rask Ingemann
7553 * genpreds.c (add_constraint): Don't remove anything from the
7555 (write_tm_constrs_h): Detect whether "op" argument is used, and
7556 mark it ARG_UNUSED if it isn't.
7557 (write_insn_const_int_ok_for_constraint): Skip the part of the
7558 expression that would test whether "op" (which is not available
7559 here) is a CONST_INT.
7561 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
7564 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
7566 2006-10-03 Geoffrey Keating <geoffk@apple.com>
7568 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
7569 current Leopard versions.
7570 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
7572 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
7574 * doc/install.texi: Fix typos.
7576 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
7578 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
7579 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
7580 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
7582 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
7584 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
7585 arg to be struct mach_header_64* instead.
7587 2006-10-02 Jakub Jelinek <jakub@redhat.com>
7590 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
7591 side effects after the outer expression's post side effects.
7593 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
7595 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
7596 comments to reflect actual behavior and relationship between
7597 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
7599 * doc/c-tree.texi (Working with declarations): Fix documentation
7600 of FIELD_DECL likewise.
7602 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
7605 * doc/extend.texi: Add used variable attribute description.
7607 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
7610 * c.opt (Woverride-init): New.
7611 * c-opts.c (c_common_post_options): Default warn_override_init to
7613 * c-typeck.c (add_pending_init, output_init_element): Warn for
7614 overriding initializers without side effects.
7615 * doc/invoke.texi (-Woverride-init): Document.
7618 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
7620 PR rtl-optimization/28096
7621 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
7622 assignment has already been used as a destination earlier in the block.
7624 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
7626 * builtins.c (expand_builtin_setjmp): Delete.
7627 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
7628 <BUILT_IN_SETJMP_SETUP>: New case.
7629 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
7630 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
7631 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
7632 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
7633 (BUILT_IN_SETJMP_RECEIVER): Likewise.
7634 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
7635 (lower_function_body): Initialize it to false. If it is set to true
7636 at the end of the processing, emit the setjmp dispatcher.
7637 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
7638 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
7639 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
7640 on the rhs of the assignment.
7641 (lower_builtin_setjmp): New function.
7642 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
7643 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
7644 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
7645 to detect calls that can go to non-local labels. Use specific
7646 helper to create the abnormal edges associated with them.
7647 <MODIFY_EXPR>: Likewise.
7648 (make_abnormal_goto_edges): New function extracted from...
7649 (make_goto_expr_edges): ...here. Call it for computed gotos.
7650 (simple_goto_p): Minor tweak.
7651 (tree_can_make_abnormal_goto): New predicate.
7652 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
7653 (tree_purge_dead_abnormal_call_edges): New function.
7654 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
7655 (tree_purge_dead_abnormal_call_edges): Likewise.
7656 (make_abnormal_goto_edges): Likewise.
7657 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
7658 Purge all dead abnormal edges if the call was in the last statement.
7659 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
7660 (execute_fixup_cfg): If there are non-local labels in the function,
7661 scan the basic blocks and split them at calls that can go to non-local
7662 labels or add missing abnormal call edges. Write down the CFG in the
7664 (pass_fixup_cfg): Remove TODO_dump_func flag.
7665 * unwind-sjlj.c: Poison setjmp.
7666 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
7667 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
7668 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
7669 (DONT_USE_BUILTIN_SETJMP): Document it.
7671 2006-09-28 Geoffrey Keating <geoffk@apple.com>
7674 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
7675 to 1 when __ppc64__ is defined.
7676 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
7678 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
7680 2006-09-28 Steve Ellcey <sje@cup.hp.com>
7682 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
7683 * config/ia64/unwind-hpux.c: Delete.
7685 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
7687 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
7688 on the element before gimplifying it, instead of punting if it is of
7691 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
7693 * doc/loop.texi: New file.
7694 * doc/gccint.texi: Reference loop.texi.
7695 * Makefile.in (loop.texi): Add.
7697 2006-09-27 Geoffrey Keating <geoffk@apple.com>
7699 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
7701 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
7702 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
7704 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
7706 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
7708 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
7710 * doc/install.texi: Document required versions of GMP and MPFR.
7712 2006-09-27 Paul Brook <paul@codesourcery.com>
7715 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
7717 2006-09-27 Richard Sandiford <richard@codesourcery.com>
7719 * reload1.c (alter_reg): Require the alignment of the stack slot to
7720 be at least reg_max_ref_width bytes.
7721 (scan_paradoxical_subregs): Record the largest width in
7724 2006-09-26 Jakub Jelinek <jakub@redhat.com>
7728 * tree-nested.c (struct nesting_info): Added static_chain_added.
7729 (convert_call_expr): Set static_chain_added when adding static
7730 chain. Handle OMP_PARALLEL and OMP_SECTION.
7732 2006-09-25 Matthias Klose <doko@debian.org>
7734 * doc/invoke.texi: Add missing full stop.
7736 2006-09-25 Richard Henderson <rth@redhat.com>
7738 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
7739 before cgraph_function_flags_ready.
7741 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
7742 Adam Nemet <anemet@caviumnetworks.com>
7744 * tree-ssa-loop-ivopts.c (aff_combination_convert,
7745 determine_common_wider_type): New functions.
7746 (get_computation_aff): Use them to simplify arithmetic between
7747 UBASE and CBASE if they are shortened from the same type.
7749 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
7752 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
7753 -2147483647 - 1 instead of 0x80000000.
7755 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
7757 * flags.h (HONOR_NANS): Fix typo in comment.
7759 2006-09-23 Uros Bizjak <uros@kss-loka.si>
7761 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
7763 2006-09-23 Jakub Jelinek <jakub@redhat.com>
7767 * tree.c (merge_attributes, attribute_list_contained): If both
7768 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
7770 * c-typeck.c (comptypes_internal): Don't consider aggregates
7771 in different TUs as compatible if there one set of attributes is
7772 not a subset of the other type's attributes.
7773 (composite_type): Try harder not to create a new aggregate type.
7775 2006-09-22 Geoffrey Keating <geoffk@apple.com>
7777 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
7778 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
7779 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
7780 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
7781 than replicating condition above.
7782 * config.host (i[34567]86-*-*): Always use driver-i386.o.
7784 * config/darwin.h (LINK_SYSROOT_SPEC): New.
7785 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
7786 the linker by default.
7788 2006-09-22 Mike Stump <mrs@apple.com>
7790 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
7793 2006-09-22 Richard Guenther <rguenther@suse.de>
7796 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
7797 sort of stack variables stable.
7799 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
7802 * explow.c (force_reg): Set REG_POINTER flag according to
7805 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
7807 PR tree-optimization/28888
7808 * tree-if-conv.c (combine_blocks): Rewritten.
7809 * tree-cfg.c (tree_verify_flow_info): Check that edges with
7810 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
7812 2006-09-22 Jakub Jelinek <jakub@redhat.com>
7814 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
7817 2006-09-21 Richard Sandiford <richard@codesourcery.com>
7819 * varasm.c (copy_constant): Fix reversed gcc_assert check.
7821 2006-09-21 Janis Johnson <janis187@us.ibm.com>
7823 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
7825 2006-09-21 Roger Sayle <roger@eyesopen.com>
7828 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
7829 dw_fde_current_label, to be the start of the function, i.e. the same
7830 value as dw_fde_begin.
7832 2006-09-20 Richard Sandiford <richard@codesourcery.com>
7834 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
7835 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
7836 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
7837 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
7838 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
7839 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
7840 (abs<mode>2, neg<mode>2): Likewise.
7841 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
7842 (*mips_abs_ps): New define_insn.
7844 2006-09-20 Josh Conner <jconner@apple.com>
7847 * calls.c (expand_call): Allow reuse of structure return stack
7850 2006-09-20 Paul Brook <paul@codesourcery.com>
7852 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
7855 2006-09-20 Janis Johnson <janis187@us.ibm.com>
7857 * doc/extend.texi (Decimal Float): Update for latest draft TR,
7858 clean up terminology.
7860 2006-09-20 Steve Ellcey <sje@cup.hp.com>
7863 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
7864 with tablejumps in them.
7866 2006-09-20 Jakub Jelinek <jakub@redhat.com>
7869 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
7870 wrap it into TARGET_EXPR.
7872 2006-09-20 Eric Christopher <echristo@apple.com>
7874 * config/i386/i386.c (x86_fisttp): Remove.
7875 * config/i386/i386.h (x86_fisttp): Ditto.
7876 (TARGET_FISTTP): Ditto.
7878 2006-09-19 Eric Christopher <echristo@apple.com>
7880 * doc/tm.texi (OBJC_JBLEN): Describe.
7881 * config/i386/darwin.h (OBJC_JBLEN): Define.
7882 * config/rs6000/darwin.h: Ditto.
7884 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
7886 PR rtl-optimization/21299
7887 * reload1.c (reload): Purge invalid ASMs in the final pass.
7889 2006-09-19 Steve Ellcey <sje@cup.hp.com>
7892 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
7893 pointers as legitimate constants.
7895 2006-09-19 Paul Brook <paul@codesourcery.com>
7898 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
7900 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
7902 PR tree-optimization/28887
7903 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
7904 component parts from the reference.
7905 (gather_memory_references_ref): Record the reference without the
7906 nonaddressable component parts.
7908 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
7911 * c-opts.c (c_common_handle_option): Ignore the -std options
7912 if the input language is assembly.
7914 2006-09-17 Ira Rosen <irar@il.ibm.com>
7917 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
7919 (ptr_ptr_may_alias_p): Likewise.
7920 (record_record_differ_p): New function.
7921 (base_object_differ_p): Call record_record_differ_p.
7923 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
7926 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
7927 away for the expr argument.
7929 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
7932 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
7933 before using it for dumping after vectorizing loops.
7935 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
7936 Jack Howarth <howarth@bromo.med.uc.edu>
7939 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
7940 skip on error_mark_node.
7941 (rs6000_darwin64_record_arg_recurse): Likewise.
7943 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
7945 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
7946 * doc/rtl.texi: Remove related documentation.
7948 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
7950 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
7953 2006-09-15 Jim Wilson <wilson@specifix.com>
7955 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
7956 Handle symbol offsets same as they are handled in ia64_expand_move
7959 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
7961 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
7962 Add forgotten parameter to the fprintf call.
7964 2006-09-15 Steve Ellcey <sje@cup.hp.com>
7966 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
7968 2006-09-15 Uros Bizjak <uros@kss-loka.si>
7970 * doc/contrib.texi: Add my entry.
7972 2006-09-15 Nick Clifton <nickc@redhat.com>
7974 * doc/md.texi (Processor pipeline description): Fix typo in
7975 example of how to use the absence_set directive and reword the
7976 description to make it slightly easier to read.
7978 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
7980 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
7981 * loop-doloop.c (doloop_optimize): Use it to limit costs of
7982 expanding the number of iterations.
7983 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
7985 * cfgrtl.c (emit_insn_at_entry): New function.
7986 * rtl.h (emit_insn_at_entry): Declare it.
7987 * integrate.c (emit_initial_value_sets): Use it.
7989 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
7991 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
7993 (struct loop_work and related VEC declarations): Delete.
7994 (bfin_dump_loops): Print out new member bad.
7995 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
7996 (bfin_scan_loop): Don't recurse.
7997 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
7998 loops. No longer need to update outer loops if the current one is
7999 found bad. Move some validitiy checks to bfin_discover_loop.
8000 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
8001 but changed not to check for nesting. Also changed to use the new bad
8003 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
8004 time. Use bitmap based test to discover loop nesting.
8006 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
8008 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
8011 2006-09-14 Richard Guenther <rguenther@suse.de>
8012 Kazu Hirata <kazu@codesourcery.com>
8014 PR middle-end/28884.
8015 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
8016 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
8017 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
8018 with TARGET_FUNCTION_VALUE.
8020 2006-09-14 Anatoly Sokolov <aesok@post.ru>
8023 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
8025 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
8027 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
8030 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
8033 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
8036 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
8038 * basic_block.h (bb_has_eh_pred): Fix comment.
8040 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
8042 * flow.c (calculate_global_regs_live): Invalidate eh registers
8043 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
8044 (propagate_block): Handle eh registers as if they were set at basic
8046 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
8048 * global.c (global_conflicts): Make eh registers to conflict with
8049 pseudos live at basic block begin.
8050 * basic_block.h (bb_has_eh_pred): New function.
8052 2006-09-13 Richard Sandiford <richard@codesourcery.com>
8054 PR rtl-optimization/28982
8055 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
8056 index of a PRE_MODIFY or POST_MODIFY address.
8057 * reload1.c (inc_for_reload): Use find_replacement on the original
8058 base and index registers.
8060 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
8062 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
8063 for -Os. Update __m128 alignment requirement.
8065 2006-09-13 Jan Hubicka <jh@suse.cz>
8067 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
8069 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
8071 PR rtl-optimization/28243
8072 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
8073 the insn to which the note was originally attached.
8075 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
8076 Roger Sayle <roger@eyesopen.com>
8078 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
8079 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
8080 on platforms that don't use dwarf for debug info.
8082 2006-09-12 Jason Merrill <jason@redhat.com>
8085 * builtins.c (expand_builtin_setjmp_receiver): Clobber
8086 hard_frame_pointer_rtx after using it to update the frame pointer.
8088 2006-09-12 Roger Sayle <roger@eyesopen.com>
8090 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
8091 (TARGET_ASM_CLOSE_PAREN): Likewise.
8092 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
8093 (TARGET_ASM_CLOSE_PAREN): Likewise.
8095 2006-09-12 Roger Sayle <roger@eyesopen.com>
8098 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
8099 frame information for frames larger than 512 Kbytes on Tru64 when
8100 using the native assembler.
8102 2006-09-12 Roger Sayle <roger@eyesopen.com>
8106 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
8107 and symbols. Instead use the implementation from cse.c's hash_rtx.
8109 2006-09-12 Jan Hubicka <jh@suse.cz>
8111 PR rtl-optimization/28071
8112 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
8113 (vect_transform_loop): Likewise.
8114 * tree-vectorizer.c (new_loop_vec_info): Likewise.
8115 (new_loop_vec_info): Likewise.
8116 (destroy_loop_vec_info): Likewise.
8117 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
8118 (create_stmt_ann): Likewise.
8119 (create_tree_ann): Rename to ...
8120 (create_tree_common_ann): ... this one; allocate only the common part
8122 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
8123 (get_value_handle): Likewise.
8124 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
8125 get_tree_common_ann.
8126 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
8127 (vinfo_for_stmt): Use stmt annotations.
8128 * tree-flow.h (tree_ann_common_t): New type.
8129 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
8130 (tree_ann, get_tree_ann, create_tree_ann): New.
8131 * tree-flow-inline.h (get_function_ann): Do more type checking.
8132 (stmt_ann): Likewise.
8133 (tree_ann): Rename to ...
8134 (tree_common_ann): ... this one; return ony common_ann
8135 (get_tree_ann): Rename to ...
8136 (tree_common_ann): This one; return only common_ann.
8137 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
8140 2006-09-11 Geoffrey Keating <geoffk@apple.com>
8142 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
8143 with_cpu by default.
8145 * dwarf2out.c (dwarf_file_data): New.
8146 (enum dw_val_class): Add dw_val_class_file.
8147 (struct dw_val_struct): Add val_file.
8148 (file_table): Change to a hash table.
8149 (file_table_emitted): Delete.
8150 (file_table_last_lookup_index): Delete.
8151 (emitcount): Delete.
8152 (last_emitted_file): New.
8153 (lookup_filename): Change prototype to return a struct dwarf_file_data.
8154 (init_file_table): Delete.
8155 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
8156 (AT_addr): Add comment.
8160 (print_die): Handle dw_val_class_file.
8161 (print_dwarf_line_table): Update for new file table structure.
8162 (attr_checksum): Do checksum a filename.
8163 (same_dw_val_p, same_attr_p): Do compare a filename.
8164 (size_of_die): Handle dw_val_class_file.
8165 (value_format): Likewise.
8166 (output_die): Likewise. Also, call maybe_emit_file here.
8167 (struct file_info): Constify filenames. Make file_idx a pointer
8168 to a struct dwarf_file_data.
8169 (struct dir_info): Constify directory names. Remove 'used' field.
8170 (struct file_name_acquire_data): New.
8171 (file_name_acquire): New.
8172 (output_file_names): Modify to handle new file data structures.
8173 (add_src_coords_attributes): Use add_AT_file.
8174 (add_call_src_coords_attributes): Likewise.
8175 (dwarf2out_imported_module_or_decl): Likewise.
8176 (gen_subprogram_die): Modify for new file data structures.
8177 (gen_variable_die): Likewise.
8178 (file_table_eq): New.
8179 (file_table_hash): New.
8180 (file_table_last_lookup): New.
8181 (lookup_filename): Rewrite to handle new file data structures.
8182 (maybe_emit_file): Rewrite to handle new file data structures.
8183 (dwarf2out_source_line): Always call lookup_filename and
8185 (dwarf2out_init): Create file_table here.
8186 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
8187 (file_table_relative_p): New.
8188 (dwarf2out_finish): Change detection of relative filenames
8189 to work with new file data structures. Move output_line_info call
8190 after debug_info output.
8192 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
8197 * config/i386/i386.c (override_options): Always default to 16
8198 byte stack boundary.
8200 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
8203 * var-tracking.c (dump_dataflow_set): Start dumping at
8205 (clobber_variable_part): Kill only the variable part in
8206 registers holding it, leaving other variables alone.
8208 2006-09-11 Josh Triplett <josh@freedesktop.org>
8210 * doc/extend.texi (Other Builtins): Actually use the macro
8211 argument in the documentation example for
8212 __builtin_types_compatible_p.
8214 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8216 PR rtl-optimization/28726
8217 * sched-deps.c (sched_analyze_reg): New function extracted from...
8218 (sched_analyze_1): ...here. Call it to analyze references to
8219 registers. Treat again writes to a stack register as writing to the
8221 (sched_analyze_2): ...and here. Call it to analyze references to
8222 registers. Treat again reads of a stack register as reading the
8225 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
8226 David Edelsohn <edelsohn@gnu.org>
8229 * config/rs6000/spe.md (frob_df_di): Remove %H.
8230 (frob_di_df): Remove %H. Change evmergelo to mr.
8231 (frob_di_df_2): Remove %H. Change evldd to two loads.
8233 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
8235 * doc/cpp.texi: Fix names of charset options.
8237 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
8240 * config/i386/i386.c (override_options): Use 128-bit
8241 stack boundary always for 64bits.
8243 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8245 PR rtl-optimization/28636
8246 * combine.c (force_to_mode): Test for side-effects before
8247 substituting by zero.
8248 (simplify_shift_const): Likewise for zero or other constants.
8250 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
8253 * builtins.c (expand_builtin_setjmp): Force next_lab to be
8256 2006-09-10 Richard Sandiford <richard@codesourcery.com>
8259 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
8260 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
8261 returned by mode_for_size, rather than the mode of src itself,
8262 to choose between 32-bit and 64-bit patterns.
8263 (mips_mem_fits_mode_p): New function.
8264 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
8265 that the size of the source matches the size of the destination.
8266 (mov_<store>l, mov_<store>r): Likewise.
8268 2006-09-10 Eric Christopher <echristo@apple.com>
8270 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
8273 2006-09-09 Eric Christopher <echristo@apple.com>
8276 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
8279 2006-09-09 Roger Sayle <roger@eyesopen.com>
8280 Nicolas Setton <setton@adacore.com>
8282 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
8284 2006-09-10 Andreas Schwab <schwab@suse.de>
8286 * config/m68k/m68k.md (bungt_rev): New pattern.
8288 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
8289 Dale Johannesen <dalej@apple.com>
8292 * regclass.c (struct reg_pref): Update documentation.
8293 (regclass): Set prefclass to NO_REGS if memory is the best option.
8294 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8296 2006-09-08 Eric Christopher <echristo@apple.com>
8298 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
8299 * config/t-slibgcc-darwin: Support x86_64 multilib.
8300 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
8301 Return 1 for x86_64-darwin.
8302 * config/i386/t-darwin: Add m64 multilib.
8303 (LIB2_SIDITI_CONV_FUNCS): Use.
8304 (LIB2FUNCS_EXTRA): Ditto.
8305 * config/i386/darwin.h: Support x86_64.
8306 * config/i386/i386.c (override_options): Turn on flag_pic
8307 for x86_64-darwin. Disable flag_omit_pointer.
8308 (get_pc_thunk_name): Assert !TARGET_64BIT.
8309 (legitimate_address_p): Disable machopic addressing for
8311 (legitimize_pic_address): Ditto.
8312 (ix86_expand_move): Ditto.
8313 (ix86_expand_call): Ditto.
8314 (machopic_output_stub): Ditto.
8315 * config/darwin.c (machopic_select_section): Support literal16.
8316 (machopic_select_rtx_section): Ditto.
8317 * config/darwin-sections.def: Ditto.
8318 * config/darwin-64.c: New.
8320 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
8323 * c-tree.h (struct c_arg_info): Add pending_sizes.
8324 * c-parser.c (c_parser_parms_declarator,
8325 c_parser_parms_list_declarator): Initialize pending_sizes.
8326 * c-decl.c (get_parm_info): Initialize pending_sizes.
8327 (get_parm_info): Set pending_sizes.
8328 (grokdeclarator): Call put_pending_sizes for parameters for
8329 function definition only.
8331 2006-09-07 Jason Merrill <jason@redhat.com>
8334 * varasm.c (output_constant): Only strip actual no-op conversions.
8337 * config/i386/i386.c (override_options): Use 128-bit
8338 stack boundary if -msse.
8340 2006-09-07 Eric Christopher <echristo@apple.com>
8342 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
8344 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
8347 2006-09-07 Geoffrey Keating <geoffk@apple.com>
8349 * dwarf2out.c: Remove strange characters from comment above
8350 dwarf2out_frame_debug_expr.
8352 2006-09-07 Eric Christopher <echristo@apple.com>
8354 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
8355 * config/darwin.h: ... to here.
8357 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
8359 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
8361 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
8362 (TARGET_PARTIAL_FLAG_REG_STALL): New.
8364 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
8365 TARGET_PARTIAL_FLAG_REG_STALL.
8366 (*ashldi3_cconly_rex64): Likewise.
8367 (*ashlsi3_cmp): Likewise.
8368 (*ashlsi3_cconly): Likewise.
8369 (*ashlsi3_cmp_zext): Likewise.
8370 (*ashlhi3_cmp): Likewise.
8371 (*ashlhi3_cconly): Likewise.
8372 (*ashlqi3_cmp): Likewise.
8373 (*ashlqi3_cconly): Likewise.
8374 (*ashrdi3_cmp_rex64): Likewise.
8375 (*ashrdi3_cconly_rex64): Likewise.
8376 (*ashrsi3_cmp): Likewise.
8377 (*ashrsi3_cconly): Likewise.
8378 (*ashrsi3_cmp_zext): Likewise.
8379 (*ashrhi3_cmp): Likewise.
8380 (*ashrhi3_cconly): Likewise.
8381 (*ashrqi3_cmp): Likewise.
8382 (*ashrqi3_cconly): Likewise.
8383 (*lshrdi3_cmp_rex64): Likewise.
8384 (*lshrdi3_cconly_rex64): Likewise.
8385 (*lshrsi3_cmp): Likewise.
8386 (*lshrsi3_cconly): Likewise.
8387 (*lshrsi3_cmp_zext): Likewise.
8388 (*lshrhi3_cmp): Likewise.
8389 (*lshrhi3_cconly): Likewise.
8390 (*lshrqi2_cmp): Likewise.
8391 (*lshrqi2_cconly): Likewise.
8393 2006-09-07 Uros Bizjak <uros@kss-loka.si>
8396 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
8397 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
8398 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
8399 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
8400 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
8401 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
8402 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
8403 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
8404 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
8405 implement only CC setting effects of shift instructions.
8407 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
8409 * doc/contrib.texi: Add myself.
8411 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
8414 * stor-layout.c (relayout_decl): Don't zero the alignment if it
8415 was set by the user.
8417 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
8420 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
8421 (divsi_inv_m1): Use them.
8422 (UNSPEC_DIV_INV_TABLE): New constant.
8424 2006-09-06 James E Wilson <wilson@specifix.com>
8427 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
8428 then call count_or_remove_death_notes.
8430 2006-09-06 Jason Merrill <jason@redhat.com>
8433 * tree-inline.c (copy_result_decl_to_var): New fn.
8434 (declare_return_variable): Use it. Call declare_inline_vars here.
8435 (expand_call_inline): Not here.
8437 2006-09-06 Diego Novillo <dnovillo@redhat.com>
8439 * doc/contrib.texi: Update my entry.
8441 2006-09-06 Nick Clifton <nickc@redhat.com>
8443 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
8445 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
8448 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
8449 (canonicalize_induction_variables): Likewise.
8450 (tree_unroll_loops_completely): Likewise.
8451 (tree_ssa_prefetch_arrays): Likewise.
8452 (remove_empty_loops): Likewise.
8453 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
8454 TODO_cleanup_cfg instead of directly calling
8455 cleanup_tree_cfg_loop.
8456 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
8458 (tree_unroll_loops_completely): Likewise.
8459 (remove_empty_loops): Likewise.
8460 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
8461 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
8462 of tree_ssa_unswitch_loops.
8463 (tree_ssa_loop_ivcanon): Use the return value of
8464 canonicalize_induction_variables.
8465 (tree_ssa_empty_loop): Use the return value of
8467 (tree_complete_unroll): Use the return value of
8468 tree_unroll_loops_completely.
8469 (tree_ssa_loop_prefetch): Use the return value of
8470 tree_ssa_prefetch_arrays.
8471 * passes.c (execute_todo): Before Cleanup CFG, set
8472 updating_used_alone and after cleanup CFG, call
8473 recalculate_used_alone.
8475 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
8478 * tree-vect-transform.c (vectorizable_condition): Move the check
8479 for the type after the check for simple condition.
8481 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
8482 Kaz Kojima <kkojima@gcc.gnu.org>
8485 * mode-switching.c (optimize_mode_switching): Make the destination
8486 block of an abnormal edge have no anticipatable mode. Don't
8487 insert mode switching code at the end of the source block of
8490 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
8492 PR rtl-optimization/26847
8493 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
8494 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
8495 (simplify_plus_minus): Count n_constants while filling ops. Replace
8496 qsort with insertion sort. Before going through the array to simplify
8497 pairs, sort it. Delay early exit until after the first sort, exiting
8498 only if no swaps occurred. Simplify pairs in reversed order, without
8499 special-casing the first iteration. Pack ops after simplifying pairs.
8501 2006-09-05 Anatoly Sokolov <aesok@post.ru>
8503 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
8504 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8505 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8506 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
8508 2006-09-05 Richard Guenther <rguenther@suse.de>
8510 PR tree-optimization/28900
8511 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
8512 compound conditional before creating COND_EXPR condition.
8514 2006-09-05 Richard Guenther <rguenther@suse.de>
8516 PR tree-optimization/28905
8517 * tree-vrp.c (fix_equivalence_set): Manually implement
8518 !value_ranges_intersect_p to also handle symbolic ranges.
8520 2006-09-05 Richard Guenther <rguenther@suse.de>
8523 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
8526 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
8528 PR rtl-optimization/27616
8529 * cse.c (table_size): New static variable.
8530 (new_basic_block): Initialize it to 0.
8531 (remove_from_table): Decrement it.
8532 (insert): Increment it.
8533 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
8534 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
8535 fold_rtx_mem_1 if under the cap.
8536 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
8537 the lookup of the equivalent expression and test for equality of the
8538 first operand of the equivalent expression before in turn looking up
8539 an equivalent constant for the second operand.
8541 2006-09-02 Geoffrey Keating <geoffk@apple.com>
8544 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
8545 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
8546 pointer, instead of assuming it is possible to derive the
8547 correct args size from a call insn.
8549 2006-09-02 Jakub Jelinek <jakub@redhat.com>
8552 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
8553 (fold_builtin_mempcpy): Rename to...
8554 (fold_builtin_memory_op): ... this. Optimize one element copy
8556 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
8558 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
8559 (expand_builtin_memcpy, expand_builtin_mempcpy,
8560 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
8561 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
8562 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
8563 BUILT_IN_MEM{CPY,PCPY,MOVE}.
8565 2006-09-01 DJ Delorie <dj@redhat.com>
8567 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
8568 (stzx_16): Likewise.
8569 ("stzx_24_<mode>"): Likewise.
8570 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
8571 ("cmp<mode>_op"): New.
8572 (cmp<mode>): Change to expander; just save operands.
8574 (b<code>): Change to expander, emit compare here.
8575 (s<code>_op): Change to use split and expander.
8576 (s<code>_24_op): Likewise.
8577 (s<code>_<mode>): New.
8578 (s<code>_<mode>_24): New.
8579 (movqicc_<code>_<mode): New.
8580 (movhicc_<code>_<mode>): New.
8583 * config/m32c/m32c.c (compare_op0, compare_op1): New.
8584 (m32c_pend_compare): New.
8585 (m32c_unpend_compare): New.
8586 (m32c_expand_scc): New.
8587 (m32c_expand_movcc): Emit the compare also.
8588 * config/m32c/predicates.md (mra_nopp_operand): New.
8590 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
8591 Richard Guenther <rguenther@suse.de>
8592 Adam Nemet <anemet@caviumnetworks.com>
8595 * builtins.c (get_pointer_alignment): Handle more forms
8596 of base addresses that can be used to derive more precise
8597 information about alignment.
8599 2006-09-01 Jason Merrill <jason@redhat.com>
8602 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
8605 * gimplify.c (voidify_wrapper_expr): Handle null type.
8607 2006-09-01 Josh Conner <jconner@apple.com>
8610 * tree-nrv.c (dest_safe_for_nrv_p): New function.
8611 (execute_return_slot_opt): Use it.
8613 2006-08-31 Josh Conner <jconner@apple.com>
8616 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
8617 returning aggregates.
8619 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
8621 PR tree-optimization/28839
8622 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
8623 blocks in that phi arguments appear.
8625 2006-08-31 Roger Sayle <roger@eyesopen.com>
8628 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
8629 NULL, otherwise use an advance_loc4 to adjust relative to the
8631 (output_cfi) <DW_CFA_set_loc>: Update the current label.
8632 (dwarf2out_switch_text_section): Reset the current label to avoid
8633 using advance_loc4 over section boundaries.
8635 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
8638 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
8639 r12 + SYMBOLIC_CONST.
8641 2006-08-30 Richard Guenther <rguenther@suse.de>
8643 * Makefile.in (see.o): Add $(EXPR_H) dependency.
8645 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
8647 PR rtl-optimization/27735
8648 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
8649 Add new argument to keep track of whether an irreducible region
8650 was affected. All callers changed.
8651 (fix_irreducible_loops): Removed.
8652 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
8653 flags were invalidated.
8655 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
8657 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
8658 instead of SF operands.
8659 (*fop_df_comm_sse): Likewise.
8660 (*fop_df_comm_i387): Likewise.
8661 (*fop_df_1_mixed): Likewise.
8662 (*fop_df_1_sse): Likewise.
8664 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
8665 J"orn Rennecke <joern.rennecke@st.com>
8667 PR tree-optimization/17506
8668 * tree-ssa.c (warn_uninit): If warning about a location outside of
8669 the current function, note where the variable was declared.
8671 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
8673 PR tree-optimization/28411
8674 * double-int.c (double_int_div): Use double_int_divmod.
8675 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
8676 double_int_mod, double_int_smod, double_int_umod): New functions.
8677 * double-int.h (double_int_divmod, double_int_sdivmod,
8678 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
8680 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
8682 (get_computation_aff, get_computation_cost_at): Handle double_int
8683 return type of constant_multiple_of.
8685 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
8688 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
8689 an implicit conversion.
8691 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
8693 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
8695 2006-08-27 Roger Sayle <roger@eyesopen.com>
8697 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
8700 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
8702 * config/i386/crtfastmath.c: Fix a comment typo.
8704 2006-08-26 Roger Sayle <roger@eyesopen.com>
8706 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
8707 temporary visit flags on CASE_LABEL_EXPRs.
8708 * c-common.c (match_case_to_enum): Add function comment. Avoid
8709 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
8710 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
8711 CASE_HIGH_SEEN for enumerated types. If the switch expression is
8712 a constant, only warn if that constant value isn't handled.
8714 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
8717 * input.h (restore_input_file_stack): Declare.
8718 (INPUT_FILE_STACK_BITS): Define.
8719 * toplev.c (fs_p, input_file_stack_history,
8720 input_file_stack_restored, restore_input_file_stack): New.
8721 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
8722 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
8723 (pop_srcloc): Don't free old state of stack.
8725 2006-08-26 David Edelsohn <edelsohn@gnu.org>
8728 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
8729 (PowerPC Type Attributes): New.
8731 2006-08-26 Bob Wilson <bob.wilson@acm.org>
8733 * config/xtensa/xtensa.c (function_arg_boundary): New.
8734 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
8736 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
8737 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
8739 2006-08-26 Jakub Jelinek <jakub@redhat.com>
8742 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
8745 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8747 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
8748 (verify_local_live_at_start): Likewise.
8750 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
8753 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
8754 omp_add_variable): Treat sizes as variable whenever not
8757 2006-08-26 Richard Guenther <rguenther@suse.de>
8760 * fold-const.c (fold_binary): Fold temporary to correct
8761 type before constructing new comparison.
8763 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
8766 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
8767 variable again if DECL_SEEN_IN_BIND_EXPR_P.
8769 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
8772 * c-decl.c (start_function): Don't try to process prototype
8773 information from old declaration that isn't a function.
8775 2006-08-25 Jan Hubicka <jh@suse.cz>
8778 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
8780 2006-08-25 Alan Modra <amodra@bigpond.net.au>
8783 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
8786 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
8788 PR tree-optimization/16876
8789 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
8790 exit if PARM doesn't match VALUE.
8792 2006-08-25 Bob Wilson <bob.wilson@acm.org>
8794 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
8795 literal_prefix directive.
8796 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
8797 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
8798 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
8800 2006-08-25 David Edelsohn <edelsohn@gnu.org>
8803 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
8804 predicate to general_operand. Add 0->y and I->r alternatives.
8806 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
8808 * doc/tm.texi: Fix a typo.
8809 * predict.c: Fix comment typos.
8811 2006-08-25 Nick Clifton <nickc@redhat.com>
8813 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
8814 assertions of "cpu" and "machine".
8816 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
8819 * tree-ssa-operands.c (access_can_touch_variable): Don't say
8820 the access through a base which has an alias set of 0 cannot
8823 2006-08-24 Bill Wendling <wendling@apple.com>
8825 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
8827 2006-08-24 Jan Hubicka <jh@suse.cz>
8829 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
8831 2006-08-24 Jan Hubicka <jh@suse.cz>
8834 * cgraph.c: Fix comments.
8835 (cgraph_varpool_mark_needed_node): Mark only variables not already
8837 * cgraphunit.c: Update comments; include gt-cgraphunit.h
8838 (cgraph_varpool_assembled_nodes_queue): New static variable.
8839 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
8840 (cgraph_varpool_output_debug_info): New function.
8841 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
8842 * Makefile.in: Add gt-cgraphunit.h
8844 2006-08-24 Jan Hubicka <jh@suse.cz>
8846 * predict.c (probability_reliable_p): New predicate.
8847 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
8848 (predict_loops): Do not predict loop exit with less than 2%
8850 * basic-block.h (edge_probability_reliable_p,
8851 br_prob_note_reliable_p): Declare.
8852 * ia64.h (ia64_print_operand): Do not disable on-chip branch
8853 prediction when static predictor is not reliable.
8854 * rs6000.c (output_cbranch): Likewise.
8856 2006-08-23 Stuart Hastings <stuart@apple.com>
8859 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
8860 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
8862 2006-08-21 Geoffrey Keating <geoffk@apple.com>
8865 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
8866 complex values, nor for generic vector values.
8868 2006-08-22 Richard Guenther <rguenther@suse.de>
8871 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
8872 parameter. Convert arguments to arithmetic expression to the
8874 (analyze_scalar_evolution_1): Adjust caller.
8876 2006-08-22 Jan Hubicka <jh@suse.cz>
8878 Patch by Paolo Bonzini
8879 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
8882 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
8884 PR tree-optimization/28003
8885 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
8886 before grouping aliases.
8888 2006-08-22 Roger Sayle <roger@eyesopen.com>
8890 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
8891 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
8893 2006-08-21 Jason Merrill <jason@redhat.com>
8896 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
8897 wrapper. Loop to handle nested wrappers.
8898 (gimplify_bind_expr): Remove temp parameter.
8899 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
8900 and STATEMENT_LIST on the rhs.
8901 (gimplify_statement_list): Voidify the STATEMENT_LIST.
8902 (gimplify_expr): Pass pre_p to gimplify_statement_list.
8903 (gimplify_target_expr): Remove special BIND_EXPR handling.
8905 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
8907 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
8910 2006-08-21 Olivier Hainque <hainque@adacore.com>
8912 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
8913 Arrange for the temporary captures of components overlapping the lhs
8914 to happen before the lhs is possibly cleared.
8916 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
8918 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
8919 necessary places to pass the correct "number of registers" values
8922 2006-08-20 Jan Hubicka <jh@suse.cz>
8924 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
8925 (create_name_tags): Instead of quadratic checking use hashtable.
8926 * bitmap.h: Include hashtab.h.
8927 (bitmap_hash): Declare.
8928 * bitmap.c (bitmap_hash): New function.
8930 2006-08-20 Jan Hubicka <jh@suse.cz>
8932 PR rtl-optimization/28071
8933 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
8935 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
8936 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
8937 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
8938 cgraph_decide_inlining_incrementally): Update use of
8939 cgraph_check_inline_limits.
8940 * cgraph.c (edge_hash, edge_eq): New function.
8941 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
8942 cgraph_edge_remove_caller, cgraph_node_remove_callees,
8943 cgraph_remove_node): Maintain call site hash.
8944 * cgraph.h (struct cgraph_node): Add call_site_hash.
8945 (cgraph_set_call_stmt): New function.
8947 2006-08-20 Jan Hubicka <jh@suse.cz>
8949 PR rtl-optimization/28071
8950 * reload1.c (reg_has_output_reload): Turn into regset.
8951 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
8952 choose_reload_regs, emit_reload_insns): Update to new
8953 reg_has_output_reload.
8955 2006-08-20 Jan Hubicka <jh@suse.cz>
8958 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
8959 function body sizes.
8960 * cgraphunit.c (cgraph_analyze_function): Don't do so.
8962 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
8965 * tree.c (handle_dll_attribute): Return early if not a
8966 var or function decl.
8968 2006-08-18 Joseph Myers <joseph@codesourcery.com>
8971 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
8972 alignment of SPE vector types.
8974 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
8976 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
8978 2006-08-17 Jakub Jelinek <jakub@redhat.com>
8981 * cgraph.h (struct cgraph_node): Remove externally_visible
8983 * cgraphunit.c (process_function_and_variable_attributes): Set
8984 local.externally_visible rather than externally_visible.
8987 * c-common.c (handle_externally_visible_attribute): First look
8988 at TREE_CODE and only if it is function or var decl, check for
8989 non-public objects. Don't warn for DECL_EXTERNAL.
8990 * cgraphunit.c (process_function_and_variable_attributes): Warn
8991 if externally_visible attribute is used on non-public object.
8993 2006-08-17 Jan Hubicka <jh@suse.cz>
8995 PR tree-optimization/27865
8996 * reload1.c (forget_marked_reloads): New function.
8997 (forget_old_reloads_1): When data are passed, just mark the registers
8999 (reload_as_needed): Use the new mechanizm.
9001 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
9004 * reload.h (reg_equiv_alt_mem_list): New declaration.
9005 * reload1.c (reg_equiv_alt_mem_list): New definition.
9006 (reload): Initialize it and release it.
9007 (delete_output_reload): Use it.
9008 * reload.c (push_reg_equiv_alt_mem): New function.
9009 (find_reloads_toplev): Call it.
9010 (find_reloads_address, find_reloads_address_1): Likewise.
9011 (find_reloads_subreg_address): Likewise.
9013 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9015 PR rtl-optimization/28489
9016 * sched-ebb.c (begin_schedule_ready): Create basic block
9018 (advance_target_bb): Skip empty blocks.
9019 * haifa-sched.c (bb_note): Make global.
9020 * sched-int.h (bb_note): Add prototype.
9022 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9024 PR tree-optimization/27865
9025 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
9027 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
9028 fold_used_pointer, pointer_used_p): New functions.
9029 (analyze_scalar_evolution_1): Use fold_used_pointer.
9030 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
9031 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
9034 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
9037 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
9038 or the INTEGER_CST. Fail on a CALL_EXPR.
9039 (fold_offsetof): Pass new argument to fold_offsetof_1.
9040 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
9041 operand into an INDIRECT_REF.
9042 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
9044 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9046 PR gcov/profile/26570
9047 * value-prof.c (static_values): Removed.
9048 (tree_find_values_to_profile): Do not set static_values.
9049 (find_values_to_profile): Do not free static_values.
9050 * profile.c (instrument_values): Do not free the values.
9051 (branch_prob): Free the values.
9053 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
9055 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
9057 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
9060 * c-typeck.c (build_component_ref): Combine qualifiers of
9061 structure or union and field.
9063 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9065 PR rtl-optimization/28071
9066 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
9067 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
9068 * tree-into-ssa.c (struct dom_dfsnum): New.
9069 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
9071 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
9072 compute_global_livein.
9073 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
9074 in phi nodes in the correct blocks.
9076 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9078 PR tree-optimization/28364
9079 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
9081 (fold_affine_expr): New function.
9082 (may_eliminate_iv): Use fold_affine_expr.
9084 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9087 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
9090 2006-08-16 Mike Stump <mrs@apple.com>
9092 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
9093 * doc/cppopts.texi (-MD): Likewise.
9095 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
9098 * c-common.c (handle_weak_attribute): Ignore and warn if
9099 not a FUNCTION_ or VAR_DECL.
9101 2006-07-15 Mike Stump <mrs@apple.com>
9104 * c-parser.c (c_parser_typeof_specifier): Don't use
9105 c_finish_expr_stmt, open code desired semantics instead.
9107 2006-08-15 Nick Clifton <nickc@redhat.com>
9109 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
9110 fragment to tmake_file only if threads are enabled.
9111 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
9112 * config/i386/t-gthr-win32: New file. ... here.
9114 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9117 * c-parser.c (c_parser_compound_statement_nostart): Reset
9118 parser->error after each statement.
9120 2006-08-15 Jakub Jelinek <jakub@redhat.com>
9123 * omp-low.c (lower_omp_parallel): Convert t to
9124 receiver_decl's type.
9125 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
9126 source before comparison.
9129 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
9130 to itype in assignment to oldival2.
9132 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
9136 * c-typeck.c (build_compound_expr): If the second expression
9137 is an error mark, then just return an error mark instead of
9138 creating a COMPOUND_EXPR.
9140 2006-07-14 Mike Stump <mrs@apple.com>
9142 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
9144 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
9146 * c-decl.c, var-tracking.c: Fix comment typos.
9148 2006-08-14 Richard Sandiford <richard@codesourcery.com>
9150 PR rtl-optimization/28634
9151 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
9152 for floating-point modes unless flag_unsafe_math_optimizations.
9154 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
9155 Andrew Pinski <pinskia@physics.uc.edu>
9158 * tree.c (build_array_type): Unify array types with
9159 unspecified index_type.
9160 * c-decl.c (grokdeclarator): Make sure we do not modify a
9161 unified incomplete array type.
9162 * c-typeck.c (store_init_value): Create distinct type before
9163 filling in the index type in an initializer from a compound
9166 * c-decl.c (grokdeclarator): Remove code where we copy the
9169 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
9171 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
9172 into account for TODO_dump_cgraph.
9173 (TODO_update_ssa_no_phi): Likewise.
9174 (TODO_update_ssa_full_phi): Likewise.
9175 (TODO_update_ssa_only_virtuals): Likewise.
9176 (TODO_remove_unused_locals): Likewise.
9177 (TODO_set_props): Likewise.
9178 (TODO_update_stmt_usage): Likewise.
9180 2006-08-13 Dirk Mueller <dmueller@suse.de>
9182 * c-common.c (strict_aliasing_warning): Fix formatting.
9184 2006-08-13 Matthias Klose <doko@debian.org>
9186 * doc/invoke.texi: Fix spelling errors.
9188 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
9190 PR rtl-optimization/23454
9191 * reorg.c (relax_delay_slots): Update comment.
9193 2006-08-11 Richard Guenther <rguenther@suse.de>
9196 * simplify-rtx.c (simplify_const_relational_operation):
9197 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
9200 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
9202 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
9203 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
9205 2006-08-10 Paul Brook <paul@codesourcery.com>
9207 * final.c (final_scan_insn): Clear current_insn_predicate before
9208 outputting inline asm.
9210 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
9212 PR tree-optimization/26197
9213 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
9214 get_ref_base_and_extent and overlap_subvar to add only relevant
9215 subvars as may-aliases.
9216 (add_may_alias_for_new_tag): New function, factored out of
9218 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
9219 with additional argument.
9220 * tree-flow.h (new_type_alias): Takes additional argument.
9222 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
9224 * gcov.c (no_data_file): New flag.
9225 (read_count_file): Set it if data file not present. Assume counts
9227 (output_lines): Don't name the data file, if there wasn't one.
9229 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
9231 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
9232 (rs6000_generate_compare): Tweak comments.
9233 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
9235 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
9237 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
9238 (var_debug_decl): New function.
9239 (var_reg_set): Follow debug decl link. Add location even if
9240 reg is already known to hold some other variable.
9241 (var_mem_set): Follow debug decl link.
9242 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
9243 decl link. Delete other known locations of the variable part
9245 (var_reg_delete, var_mem_delete): Delete other known locations
9246 of the variable part if requested.
9247 (same_variable_part_p): New function.
9248 (add_stores): Select MO_COPY when appropriate.
9249 (vt_initialize): Handle it.
9250 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
9251 known locations for MO_SET and MO_CLOBBER.
9252 (find_variable_location_part): New function.
9253 (set_variable_part, delete_variable_part): Use it.
9254 (clobber_variable_part): New function.
9255 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
9258 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
9260 PR tree-optimization/26969
9261 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
9262 with an empty list of PHIs.
9264 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
9268 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
9271 2006-08-06 Andreas Schwab <schwab@suse.de>
9273 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
9274 string. Whitespace and comment fixup.
9276 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9279 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
9283 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
9286 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
9288 2006-08-04 Jan Hubicka <jh@suse.cz>
9292 * reload.c (push_reload): Patch out the mismatching instruction;
9294 (find_reload): Bail out if the instruction was patched out.
9296 2006-08-04 Jan Hubicka <jh@suse.cz>
9298 PR tree-optimization/24888
9299 * tree-inline.c (expand_call_inline): Do not re-record variables.
9300 (declare_inline_vars): Add variable to unexpanded_var_list.
9302 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9303 Roger Sayle <roger@eyesopen.com>
9305 PR rtl-optimization/26244
9306 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
9307 inner_const are negative or greater than or equal to the bitsize of
9308 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
9309 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
9310 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
9311 CONST0_RTX (mode) when the new shift count is greater than or equal to
9312 to the bitsize of the object being shifted and XEXP (y, 0) has no side
9315 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
9317 * tree-cfg.c: Fix a comment typo.
9319 2006-08-03 Mark Mitchell <mark@codesourcery.com>
9322 * varasm.c (output_constant): Give the front end another chance to
9323 expand constants, after stripping NOPs.
9325 2006-08-03 Jan Hubicka <jh@suse.cz>
9327 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
9330 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
9332 PR tree-optimization/27770
9333 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
9334 declaration removed (moved to tree-flow.h).
9335 (vect_can_force_dr_alignment_p): Likewise.
9336 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
9337 (moved from tree-vectorizer.h).
9338 (vect_can_force_dr_alignment_p): Likewise.
9339 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
9340 from outside the vectorizer - in particular from cgraph stage.
9341 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
9342 the alignment of global arrays when -fsection-anchors is enabled.
9343 * cgraphunit.c (cgraph_increase_alignment): New function.
9344 (cgraph_optimize): Call cgraph_increase_alignment.
9346 2006-08-03 David Edelsohn <edelsohn@gnu.org>
9349 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
9350 not reload a SPE symbol_ref into a lo_sum address.
9352 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
9355 * dwarf2out.c (prune_unused_types_prune): Move call to
9356 prune_unused_types_update_strings to cover the parent DIE also.
9358 2006-08-02 Jan Hubicka <jh@suse.cz>
9360 PR gcov/profile/28480
9361 * tree-cfg.c (change_bb_for_stmt): New function.
9362 (tree_merge_blocks, tree_split_blocks): Use it.
9364 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9370 * toplev.c (compile_file): Return early on errorcount or sorrycount.
9371 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
9372 (cgraph_optimize): Likewise.
9374 2006-08-01 Stuart Hastings <stuart@apple.com>
9376 * rtl.h (UINTVAL) New.
9377 * config/rs6000/rs6000.c (SMALL_INT) Use it.
9378 * testsuite/gcc.dg/20060801-1.c: New.
9380 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
9383 * c-typeck.c (build_external_type): Mark used enum types.
9384 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
9386 (gen_subprogram_die): Whitespace fix.
9388 2006-08-01 Jan Hubicka <jh@suse.cz>
9390 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
9391 bitmap when not needed.
9392 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
9395 2006-08-01 Dirk Mueller <dmueller@suse.de>
9397 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
9399 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9401 * Makefile.in: Revert part of previous patch:
9402 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
9405 2006-07-30 Eric Christopher <echristo@apple.com>
9408 * doc/extend.texi (i386 Variable Attributes): Add anchor.
9409 (PowerPC Variable Attributes): New section.
9411 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
9413 PR target/28126 (partial fix)
9414 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
9416 2006-07-28 Jan Hubicka <jh@suse.cz>
9418 PR rtl-optimization/28071
9419 * cfgrtl.c (rtl_delete_block): Free regsets.
9420 * flow.c (allocate_bb_life_data): Re-use regsets if available.
9422 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9424 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
9425 and variables used in dependencies.
9427 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
9429 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
9430 %fs for -mcmodel=kernel.
9431 (stack_tls_protect_test_di): Likewise.
9433 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
9435 * Makefile.in: Use mkinstalldirs.
9437 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
9440 * opts-common.c (prune_options): Skip joined switches.
9442 2006-07-27 Jan Hubicka <jh@suse.cz>
9444 PR rtl-optimization/28071
9445 * cselib.c (cselib_process_insn): Don't remove useless values too
9446 often for very large hashtables.
9448 2006-07-27 Jan Hubicka <jh@suse.cz>
9450 PR rtl-optimization/28071
9451 * global.c (greg_obstack): New obstack.
9452 (allocate_bb_info): Use it.
9453 (free_bb_info): Likewise.
9454 (modify_reg_pav): Likewise.
9456 2006-07-27 Roger Sayle <roger@eyesopen.com>
9458 * builtins.c (fold_fixed_mathfn): When long and long long are the
9459 same size, canonicalize llceil*, llfloor*, llround* and llrint*
9460 functions to their lceil*, lfloor*, lround* and lrint* forms.
9462 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9465 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
9467 (rev_branch_insn): Likewise.
9469 2006-07-27 Jan Hubicka <jh@suse.cz>
9471 PR rtl-optimization/28071
9472 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
9473 (reg_set_in_bb, max_reg_computed): New static variables.
9474 (regmove_optimize): Free the new array.
9475 (fixup_match_1): Update call of reg_is_remote_constant_p.
9477 2006-07-26 Jan Hubicka <jh@suse.cz>
9479 PR tree-optimization/27882
9480 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
9482 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
9484 (cgraph_analyze_compilation_unit): Likewise.
9485 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
9486 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
9487 (cgraph_early_inlinine): Make order garbage collected.
9488 * Makefile.in (gt-ipa-inline): New garbagecollected file.
9490 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
9492 * dbxout.c (output_types_sort): Add a comment.
9493 (output_used_types): Free the VEC.
9495 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
9497 * function.c (reorder_fix_fragments): Delete.
9498 (reorder_blocks): Don't call it.
9499 (reorder_blocks_1): Put all subblocks under the origin block.
9501 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
9503 PR rtl-optimization/27907
9504 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
9507 2006-07-25 Roger Sayle <roger@eyesopen.com>
9510 * convert.c (convert_to_integer): When transforming (T)foo(x) into
9511 bar(x) check that bar's result type can represent all the values of T.
9513 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
9515 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
9517 2006-07-25 Nick Clifton <nickc@redhat.com>
9519 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
9520 size_lookup[] array.
9521 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
9522 (ggc_pch_count_object): Likewise.
9523 (ggc_pch_alloc_object): Likewise.
9524 (ggc_pch_write_object): Likewise.
9525 (init_ggc): Do not attempt to initialize entries in the
9526 size_lookup[] array for objects whose size is greater than than
9527 the length of the array.
9529 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
9531 * dbxout.c (output_used_types_helper): Push queued types
9533 (output_types_sort): New.
9534 (output_used_types): Collect used types on a VEC and sort them
9537 2006-07-24 Richard Guenther <rguenther@suse.de>
9540 * cgraph.c (cgraph_remove_node): Do not check if dumps
9542 * cgraphunit.c (cgraph_optimize): Likewise.
9544 2006-07-24 Jan Hubicka <jh@suse.cz>
9546 PR rtl-optimization/28071
9547 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
9548 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
9549 splitting before first stmt.
9551 2006-07-24 Jan Hubicka <jh@suse.cz>
9553 PR rtl-optimization/28071
9554 * ipa-inline.c (update_caller_keys): Remove edges that
9555 are no longer inline candidates.
9557 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
9560 * dbxout.c (output_used_types_helper, output_used_types): New.
9561 (dbxout_symbol): Call output_used_types.
9563 2006-07-23 Jan Hubicka <jh@suse.cz>
9567 * cgraph.c (cgraph_varpool_nodes): Export.
9568 (decide_is_variable_needed): Ignored "used" attribute in
9569 unit-at-a-time mode.
9570 * cgraph.h (cgraph_varpool_nodes): Declare.
9571 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
9572 unit-at-a-time mode.
9574 2006-07-23 Roger Sayle <roger@eyesopen.com>
9577 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
9578 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
9579 the __gthrw form of thr_keycreate.
9580 (__gthread_key_delete): Silence the unused argument warning.
9582 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
9585 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
9586 Cache the last found '\0' marker to avoid quadratic behavior.
9588 2006-07-23 Jan Hubicka <jh@suse.cz>
9590 * i386.md (subsi_3_zext): Fix output template.
9592 2006-07-21 Mike Stump <mrs@apple.com>
9594 * doc/invoke.texi (C++ Dialect Options): Note that
9595 -fvisibility-inlines-hidden doesn't affect explicitly
9596 instantiationed inline methods.
9598 2006-07-20 Roger Sayle <roger@eyesopen.com>
9600 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
9601 if the target assembler is GNU binutils' gas.
9602 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
9603 whether to pass GNU gas or native as command line options.
9605 2006-07-20 Jason Merrill <jason@redhat.com>
9607 * tree.c (remove_attribute): New fn.
9608 * tree.h: Declare it.
9610 2006-07-20 Paul Brook <paul@codesourcery.com>
9613 * cse.c (cse_insn): Add destination addresses to hash table. Check if
9614 they are invalidated by this instruction.
9616 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
9619 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
9621 2006-07-20 Eric Christopher <echristo@apple.com>
9624 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
9626 2006-07-19 Eric Christopher <echristo@apple.com>
9628 * config/t-slibgcc-darwin (stmp-lipo): Remove.
9629 Rewrite dependencies for libgcc_s.1.dylib.
9631 2006-07-19 Jakub Jelinek <jakub@redhat.com>
9633 * except.c (duplicate_eh_regions_1): Clear next_peer.
9635 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
9637 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
9638 -mlongcall does not guarantee all calls will be long.
9639 * doc/extend.texi (long_call/short_call): Document that longcall
9640 does not guarantee a long call will be used.
9641 (longcall/shortcall): Likewise.
9643 2006-07-18 Roger Sayle <roger@eyesopen.com>
9646 * expmed.c (expand_shift): Additionally check that the shift_cost
9647 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
9648 before implementing a LSHIFT_EXPR as a sequence of additions.
9649 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
9650 middle-end that DImode shifts need to be synthesized by expand.
9652 2006-07-18 Diego Novillo <dnovillo@redhat.com>
9655 * tree-ssa-operands.c (access_can_touch_variable): Update
9657 Return true if ALIAS is .GLOBAL_VAR.
9659 2006-07-18 David Daney <ddaney@avtrex.com>
9661 * gcc.c (display_help): Fix typo in help text.
9663 2006-07-18 Olivier Hainque <hainque@adacore.com>
9665 * tree.h (categorize_ctor_elements): Adjust prototype and add
9666 descriptive comment, both in accordance with the interface change
9668 * varasm.c (constructor_static_from_elts_p): New function.
9669 Whether a constructor node is a valid static constant initializer
9670 if all its elements are.
9671 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
9672 * output.h: Declare it.
9673 * expr.c (categorize_ctor_elements_1): Return whether the constructor
9674 is a valid constant initializer instead of computing the number of
9675 non-constant elements. Use constructor_static_from_elts_p for this
9676 purpose. Replace the head comment with an indication that this is a
9677 helper for categorize_ctor_elements.
9678 (categorize_ctor_elements): Same interface change as for the _1
9679 helper. Former head comment from this helper moved here, adjusted to
9680 account for the interface changes.
9681 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
9682 (all_zeros_p): Likewise.
9683 * gimplify.c (gimplify_init_constructor): Decide whether we can make
9684 static versions of the constructor from the categorize_ctor_elements
9685 return value instead of the formerly computed number of non-constant
9688 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
9690 * configure: Regenerate.
9691 * Makefile.in (build_libsubdir): New configure substitution
9692 (build_libobjdir): New variable.
9693 (BUILD_LIBIBERTY): Use it.
9695 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9698 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
9700 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
9703 * c-common.c (handle_weakref_attribute): Ignore attribute in
9704 the same conditions the alias attribute is ignored.
9706 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
9708 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
9709 (dbxout_begin_prologue): Increment scope_labelno.
9711 2006-07-17 Richard Henderson <rth@redhat.com>
9714 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
9717 2006-07-17 Roger Sayle <roger@eyesopen.com>
9718 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9720 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
9721 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
9722 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
9723 functions such as sbrk, write, etc.. Add function prototypes.
9724 Convert function declarations from K&R to ISO C. Cast pointers
9725 to "long" and "unsigned long" instead of "int" and "unsigned int".
9726 Convert tokens following #endif into comments.
9728 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
9730 * invoke.texi: Remove mention of f77; Reformat table for
9731 inline parameter options correctly; mention that -malign-double
9732 is default on x86-64 targets.
9734 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
9736 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
9737 (convert_affine_scev, chrec_convert_aggressive): Use
9738 avoid_arithmetics_in_type_p. Do not check for the subtypes
9741 2006-07-17 Richard Sandiford <richard@codesourcery.com>
9744 * optabs.c (expand_doubleword_shift): Wrap the call to
9745 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
9747 2006-07-17 Richard Sandiford <richard@codesourcery.com>
9750 * optabs.c (expand_binop): Pass next_methods rather than methods
9751 to expand_doubleword_shift.
9753 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
9756 * tree.h (dump_addr): Declare.
9757 * print-tree.c (dump_addr): New function.
9758 (print_node_brief, print_node): Use it.
9759 * print-rtl.c (print_rtx): Likewise.
9760 * common.opt (-fdump-noaddr): New option.
9761 * doc/invoke.texi (-fdump-noaddr): Document.
9762 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
9763 (ve_info_hash): Likewise.
9765 2006-07-13 Andrew Haley <aph@redhat.com>
9767 PR tree-optimization/19505
9768 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
9769 edge leaving this block, make sure that the destination of this
9770 block has only one predecessor.
9772 2006-07-17 Richard Guenther <rguenther@suse.de>
9774 PR tree-optimization/28238
9775 * tree-inline.c (copy_bb): Check if we produced valid
9776 gimple copying and substituting a stmt. If not, gimplify
9779 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
9781 * optabs.c (maybe_encapsulate_block): New function extracted from...
9782 (emit_libcall_block): ...here. Invoke it on the block of insns to
9783 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
9784 (emit_no_conflict_block): Likewise.
9786 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9788 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
9790 2006-07-15 Roger Sayle <roger@eyesopen.com>
9792 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
9793 a new NOP_EXPR case of the switch statement.
9795 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
9798 * stor-layout.c (place_field): Take the bit field with
9799 an excessive size into account in the ms-bitfiled case.
9802 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
9803 the previous bit field.
9805 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
9808 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
9810 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
9812 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
9813 signal frames correctly even when the signal was installed with
9816 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
9818 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
9819 (dbxout_function_end): Use local label LFBB. Remove hook
9821 (dbxout_source_line): Use local label LFBB.
9822 (dbxout_block): Likewise.
9823 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
9824 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
9825 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
9826 and DBX_OUTPUT_NFUN.
9828 2006-07-13 Janis Johnson <janis187@us.ibm.com>
9830 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
9832 2006-07-13 Jan Hubicka <jh@suse.cz>
9834 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
9836 * output.h (align_variable): Declare.
9837 * varasm.c (align_variable): Export.
9838 * value-prof.c (tree_value_profile_transformations): Recompute iterator
9839 when basic block changed.
9841 2006-07-13 Nick Clifton <nickc@redhat.com>
9843 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
9844 walking the LOG_LINKS chain.
9846 2006-07-12 Geoffrey Keating <geoffk@apple.com>
9848 * doc/invoke.texi (C++ Dialect Options): Explain difference
9849 between -fvisibility-inlines-hidden and setting hidden
9850 visibility explicitly.
9852 2006-07-12 Eric Christopher <echristo@apple.com>
9854 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
9855 (stmp-lipo): Depend on libgcc.a.
9857 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
9859 * tree.c: Fix a comment typo.
9861 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
9863 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
9865 (umulhisi3_r): Likewise.
9867 2006-07-12 Paolo Carlini <pcarlini@suse.de>
9870 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
9871 x < 19, vs wchar_t support.
9873 2006-07-12 Nick Clifton <nickc@redhat.com>
9875 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
9876 instead of -isa=sh4.
9878 2006-07-12 Mike Stump <mrs@apple.com>
9880 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
9882 2006-07-10 Eric Christopher <echristo@apple.com>
9884 * config/t-slibgcc-darwin: Rewrite.
9886 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
9889 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
9892 2006-07-08 Matthias Klose <doko@debian.org>
9894 * doc/sourcebuild.texi: Fix typo.
9896 2006-07-07 Mike Stump <mrs@apple.com>
9898 * toplev.c (process_options): Don't give -ffunction-sections may
9899 affect debugging warning for Mach-O.
9901 2006-07-07 James E Wilson <wilson@specifix.com>
9903 * config/mips/mips.md (cpu): Add sb1a.
9904 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
9905 addition to sb1. Adjust comments to clarify SB-1A differences from
9907 (ir_sb1a_load): New. Modify bypasses to use it.
9908 (ir_sb1a_simple_alu): Likewise.
9909 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
9910 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
9911 (mips_issue_rate): Add PROCESSOR_SB1A.
9912 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
9913 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
9914 (TARGET_SB1): Add PROCESSOR_SB1A check.
9915 (TUNE_SB1): Likewise.
9917 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
9918 * config/mips/mips.c (mips_store_data_bypass_p): New.
9919 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
9920 store_data_bypass_p.
9922 2006-07-08 Paul Brook <paul@codesourcery.com>
9925 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
9927 2006-07-07 Richard Guenther <rguenther@suse.de>
9930 * tree.h (build_one_cst): Declare.
9931 * tree.c (build_one_cst): New function.
9932 * tree-ssa-math-opts.c (get_constant_one): Remove.
9933 (insert_reciprocals): Use build_one_cst.
9934 * fold-const.c (fold_plusminus_mult): Likewise.
9936 2006-07-07 Roger Sayle <roger@eyesopen.com>
9938 * pointer-set.c (pointer_set_destroy): Correct whitespace.
9939 * cfgloopanal.c (dump_graph): Likewise.
9940 * dojump.c (discard_pending_stack_adjust): Likewise.
9941 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
9943 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
9944 * function.c (finalize_block_changes): Likewise.
9945 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
9946 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
9947 * rtl.c (dump_rtx_statistics): Likewise.
9948 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
9950 * varray.c (dump_varray_statistics): Likewise.
9951 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
9952 decode_decimal64, encode_decimal128, decode_decimal128,
9953 decimal_real_to_decimal): Likewise.
9955 2006-07-07 Richard Guenther <rguenther@suse.de>
9957 PR tree-optimization/28187
9958 * tree-vrp.c (vrp_operand_equal_p): New function.
9959 (vrp_bitmap_equal_p): Likewise.
9960 (update_value_range): Use them to compare old and new
9963 2006-07-06 Roger Sayle <roger@eyesopen.com>
9965 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
9966 a default case to switch statement to silence compiler warnings.
9968 2006-07-06 Roger Sayle <roger@eyesopen.com>
9971 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
9972 the configured assembler supports the x87's ffreep mnemonic.
9973 * configure: Regenerate.
9974 * config.in: Regenerate.
9976 * config/i386/i386.c (output_387_ffreep): New function.
9977 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
9978 (output_387_reg_move): Likewise.
9980 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
9982 Port to hosts whose 'sort' and 'tail' implementations
9983 treat operands with leading '+' as file names, as POSIX
9984 has required since 2001. However, make sure the code still
9985 works on pre-POSIX hosts.
9986 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
9987 which says you should use "tail -c +N" rather than "tail +Nc".
9988 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
9990 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
9992 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
9995 2006-07-06 David Edelsohn <edelsohn@gnu.org>
9998 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
9999 PRE_{INC,DEC} of TFmode.
10001 2006-07-06 David Edelsohn <edelsohn@gnu.org>
10002 Alan Modra <amodra@bigpond.net.au>
10005 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
10008 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10011 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
10012 Remove duplicate gtu.
10014 2006-07-05 Jason Merrill <jason@redhat.com>
10018 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
10019 * c-common.c (handle_packed_attribute): So don't copy it here.
10020 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
10022 2006-07-05 Mike Stump <mrs@apple.com>
10024 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
10026 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
10029 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
10031 2006-07-05 Richard Guenther <rguenther@suse.de>
10034 * config/i386/i386.md (*negdf2_1): Restrict pattern to
10035 TARGET_SSE2 targets if using SSE math.
10036 (*absdf2_1): Likewise.
10038 2006-07-05 Richard Guenther <rguenther@suse.de>
10040 PR tree-optimization/28162
10041 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
10042 make sure to convert the operands to the correct type.
10044 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
10046 PR tree-optimization/28218
10048 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
10049 to calculate and free the dominator information.
10051 2006-07-04 Peter O'Gorman <peter@pogma.com>
10053 * mklibgcc.in: chmod 644 before ranlib during install.
10055 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
10056 J"orn Rennecke <joern.rennecke@st.com>
10058 * configure.ac (.eh_frame data check): Use diff -b.
10060 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
10063 * Makefile.in (BUILD_RTL): Add build/vec.o.
10064 (build/gencondmd.o): Filter out -fkeep-inline-functions.
10065 (build/genextract): Delete.
10066 (build/genautomata): Likewise.
10068 2006-07-04 Alan Modra <amodra@bigpond.net.au>
10071 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
10072 128-bit IBM long doubles for ABI_V4.
10074 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
10076 * tree.c (range_in_array_bounds_p): New predicate.
10077 * tree.h (range_in_array_bounds_p): Declare it.
10078 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
10079 return a less conservative answer.
10080 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
10081 and flag 'is_group'.
10082 (IS_ELEMENT_FOR_GROUP): New macro.
10083 (FOR_EACH_ACTUAL_CHILD): Likewise.
10084 (next_child_for_group): New helper function.
10085 (can_completely_scalarize_p): Take into account groups.
10086 (sra_hash_tree): Handle RANGE_EXPR.
10087 (sra_elt_eq): Likewise.
10088 (lookup_element): Be prepared for handling groups.
10089 (is_valid_const_index): Delete.
10090 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
10091 instead of is_valid_const_index.
10092 <ARRAY_RANGE_REF>: New case.
10093 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
10094 is_valid_const_index.
10095 <ARRAY_RANGE_REF>: Do not unconditionally punt.
10096 (scan_dump): Dump info for groups too.
10097 (decide_instantiation_1): Likewise.
10098 (decide_block_copy): Assert that the element is not a group.
10099 Propagate decision to groups.
10100 (generate_one_element_ref): Handle RANGE_EXPR.
10101 (mark_no_warning): Iterate over actual childs.
10102 (generate_copy_inout): Likewise.
10103 (generate_element_copy): Likewise.
10104 (generate_element_zero): Likewise.
10105 (generate_element_init_1): Likewise.
10106 (dump_sra_elt_name): Handle RANGE_EXPR.
10108 2006-07-03 Roger Sayle <roger@eyesopen.com>
10110 PR tree-optimization/26251
10111 * tree-ssa-threadupdate.c (redirection_block_p): New function.
10112 (thread_block): When optimizing for size refuse to thread jumps
10113 that would require duplication of blocks other than redirection
10116 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
10118 * configure.ac: Fix thinko in previous check-in.
10119 * configure: Regenerate.
10121 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
10124 * configure.ac (for lang...): Simplify nesting of conditionals.
10125 Test subdir_requires for non-enabled languages. Move processing
10126 of lang_opt_files and lang_tree_fiels below that test.
10127 * configure: Regenerate.
10128 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
10130 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
10132 * doc/gcov.texi (Invoking Gcov): Add a missing word.
10134 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
10136 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
10139 2006-06-29 Jason Merrill <jason@redhat.com>
10146 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
10147 * c-common.c (c_determine_visibility): Handle it here.
10148 * c-decl.c (finish_decl): Call c_determine_visibility for
10150 * flags.h (enum symbol_visibility): Sort from most to least visibility.
10151 * tree.h: Likewise.
10152 * varasm.c (default_assemble_visibility): Likewise.
10153 * c-common.c (handle_visibility_attribute): Complain about trying
10154 to give visibility to an already defined class, or trying to change
10155 declared visibility. Always attach the attribute.
10160 * attribs.c (decl_attributes): Ignore type-in-place attributes
10161 once the type has been defined.
10163 2006-06-29 Roger Sayle <roger@eyesopen.com>
10165 PR middle-end/27428
10166 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
10167 to indicate the cpplib has issued an error message for us.
10169 2006-06-29 Asher Langton <langton2@llnl.gov>
10172 * config/i386/i386.c (ix86_output_function_epilogue): Don't
10173 insert a label at the end of an function under Mach-O.
10175 2006-06-29 Eric Christopher <echristo@apple.com>
10176 Evan Cheng <evan.cheng@apple.com>
10178 * predicates.md (vector_all_ones_operand): New.
10179 (nonimmediate_or_sse_const_operand): Ditto.
10180 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
10181 * config/i386/i386.c (standard_sse_constant_opcode): Define.
10182 (standard_sse_mode_p): Ditto.
10183 (standard_sse_constant_p): Add case for -1 vector.
10184 (ix86_expand_vector_move): Try to use.
10185 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
10186 Call standard_sse_constant_opcode.
10187 (*movv4sf_internal): Ditto.
10188 (*movv2df_internal): Ditto.
10190 2006-06-29 Roger Sayle <roger@eyesopen.com>
10192 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
10193 of XEXP to extract the operands of a MATCH_CODE rtx.
10195 2006-06-28 Andrew Pinski <pinskia@gmail.com>
10197 * tree.c (tree_size): Do not waste tail padding in
10198 struct tree_string and make the size be the same as
10199 build_string will generate.
10201 2006-06-28 Jason Merrill <jason@redhat.com>
10204 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
10205 may_aliases already in the tag's annotations to the bitmap.
10207 2006-06-28 Roger Sayle <roger@eyesopen.com>
10209 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
10211 2006-06-28 Roger Sayle <roger@eyesopen.com>
10213 * genpreds.c (generate_switch_p): New function.
10214 (add_mode_tests): Push the new mode test down inside an AND expr
10215 if this allows the switch-suitable MATCH_CODE to be near the root.
10216 (write_match_code_switch): New function to write a MATCH_CODE as
10217 a switch statement.
10218 (write_predicate_stmts): New function to write a predicate RTX
10219 expression as a sequence of statements.
10220 (write_one_predicate_function): Use write_predicate_stmts.
10221 (write_tm_constrs_h): Likewise.
10223 2006-06-26 Fred Fish <fnf@specifix.com>
10225 * config/mips/t-sb1: New file.
10226 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
10229 2006-06-26 DJ Delorie <dj@redhat.com>
10231 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
10233 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
10234 Jayant Sonar <jayants@kpitcummins.com>
10235 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
10237 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
10238 (subsi3, subsi3_1, subsi3_2): New.
10239 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
10240 * config/m32c/mov.md (SI mov peephole): New.
10241 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
10242 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
10244 2006-06-26 Olivier Hainque <hainque@adacore.com>
10246 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
10247 a CALL_EXPR target function declaration.
10249 2006-06-26 Richard Guenther <rguenther@suse.de>
10251 * tree.c (build_string): Do not waste tail padding in
10252 struct tree_string.
10254 2006-06-26 Richard Guenther <rguenther@suse.de>
10256 * ggc-page.c (init_ggc): Add missing element to size_lookup
10260 2006-06-23 Richard Guenther <rguenther@suse.de>
10262 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
10263 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
10264 alignment requests instead. Add verification code.
10265 Add struct tree_function_decl and struct tree_binfo size to
10266 extra_order_size_table. Add missing element to size_lookup
10269 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
10271 PR middle-end/28151
10272 * fold-const.c (const_binop): Be prepared for self returning zero.
10273 Simplify code handling complex values.
10275 2006-06-24 Olivier Hainque <hainque@adacore.com>
10277 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
10278 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
10281 2006-06-24 Olivier Hainque <hainque@adacore.com>
10283 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
10284 ARRAY_REF, so have the callback called for the low bound expression.
10286 2006-06-23 Janis Johnson <janis187@us.ibm.com>
10288 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
10289 * c-typeck.c (c_common_type): Disallow operations on decimal float
10290 types and other float types.
10291 * convert.c (convert_to_real): Don't ignore conversions involving
10292 decimal float types.
10294 2006-06-23 Olivier Hainque <hainque@adacore.com>
10296 * tree.c (max_int_size_in_bytes): New function, inspired from
10297 code in function.c:assign_temp.
10298 * tree.h (max_int_size_in_bytes): Declare.
10299 * function.c (assign_temp): Use it.
10300 * gimplify.c (create_tmp_var): Relax the assertions on the type
10301 properties, not mandating constant size any more.
10302 (force_constant_size): New static function.
10303 (gimple_add_tmp_var): Use it, forcing variable size to a
10304 constant upper bound if it is not constant on entry.
10306 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
10309 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
10310 for initialization and setting of one_only flag to ...
10311 (i386_pe_encode_section_info): ...here.
10312 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
10313 Recheck that the symbol has not been defined.
10315 2006-06-23 Richard Guenther <rguenther@suse.de>
10317 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
10318 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
10319 alignment requests instead. Add verification code.
10320 Add struct tree_function_decl and struct tree_binfo size to
10321 extra_order_size_table. Add missing element to size_lookup
10324 2006-06-22 Roger Sayle <roger@eyesopen.com>
10325 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10327 PR middle-end/28131
10328 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
10329 call to lang_hooks.types.type_for_mode returned NULL_TREE.
10331 2006-06-23 Ben Elliston <bje@au.ibm.com>
10333 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
10334 negate dn -- manipulate it directly.
10336 2006-06-22 Roger Sayle <roger@eyesopen.com>
10337 Steven Bosscher <stevenb.gcc@gmail.com>
10340 * reload1.c (gen_reload): Call mark_jump_label on the new insns
10341 generated by gen_move_insn to add REG_LABEL notes if necessary.
10343 2006-06-22 Bob Wilson <bob.wilson@acm.org>
10345 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
10346 (leaf_entry): Remove use of MIN_ESA.
10348 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
10350 PR rtl-optimization/28121
10351 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
10354 2006-06-21 DJ Delorie <dj@redhat.com>
10356 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
10358 (mulhisi3_r): Likewise.
10360 2006-06-21 Richard Sandiford <richard@codesourcery.com>
10362 PR middle-end/28034
10363 * coverage.c (coverage_counter_alloc): Leave the index type
10365 (coverage_counter_alloc): Use null arguments for operands 2 and 3
10368 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
10370 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
10371 section from the "Options for Code Generation Conventions".
10373 2006-06-21 Richard Henderson <rth@redhat.com>
10377 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
10379 (global_symbolic_operand): Allow weak symbols, even if local_p.
10381 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
10383 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
10384 (find_interesting_uses_address): Punt if above function returns true.
10386 2006-06-21 Richard Guenther <rguenther@suse.de>
10388 * configure: Regenerated.
10390 2006-06-21 Joseph Myers <joseph@codesourcery.com>
10392 * config/mips/mips.c (function_arg): Where one part of a
10393 complex argument is in registers and the other part in the stack,
10394 return a REG not a PARALLEL.
10396 2006-06-21 Mark Mitchell <mark@codesourcery.com>
10398 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
10399 when cross-compiling. Do not substitute libstdcxx_incdir.
10400 * configure: Regenerated.
10402 2006-06-21 Jakub Jelinek <jakub@redhat.com>
10404 * varasm.c (mergeable_string_section): Check for embedded NULs and
10405 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
10406 rather than TREE_STRING_LENGTH bytes.
10408 2006-06-21 Richard Guenther <rguenther@suse.de>
10410 * ggc-page.c (extra_order_size_table): Add var_ann_d,
10411 tree_ssa_name, bitmap_element and phi_node with 4 arguments
10414 2006-06-21 Richrad Guenther <rguenther@suse.de>
10416 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
10417 Limit iteration over the dominators.
10419 2006-06-20 Roger Sayle <roger@eyesopen.com>
10421 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
10422 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
10424 2006-06-20 Richard Guenther <rguenther@suse.de>
10425 Michael Matz <matz@suse.de>
10427 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
10429 * alloc-pool.c (free_alloc_pool_if_empty): New function.
10430 * et-forest.h (et_free_pools): Prototype new function.
10431 * et-forest.c (et_free_tree_force): Free parent occurrence.
10432 (et_free_pools): New function.
10433 * dominance.c (free_dominance_info): Free et-forest alloc
10436 2006-06-20 Roger Sayle <roger@eyesopen.com>
10438 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
10439 integer modes, attempt to directly construct an integer constant.
10441 * fold-const.c (native_encode_vector): Determine the size of each
10442 element from the vector type instead of the first vector element.
10444 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
10445 if all of its elements/components are constant.
10446 (build_constructor_from_list): Likewise.
10448 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
10450 PR tree-optimization/27331
10451 * tree-data-ref.c (free_data_ref): New function.
10452 (create_data_ref): Fail if the data reference has unknown access
10454 (free_data_refs): Use free_data_ref.
10456 2006-06-19 Andrew Pinski <pinskia@gmail.com>
10458 PR middle-end/28075
10459 * tree-inline.c (setup_one_parameter): Strip useless
10460 type conversion before adding it to the IR.
10461 (declare_return_variable): Likewise.
10463 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
10466 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
10468 2006-06-19 Mike Stump <mrs@apple.com>
10470 * tree.c (variably_modified_type_p): VM arguments don't make the
10473 2006-06-19 Richard Guenther <rguenther@suse.de>
10475 * tree-ssa-pre.c (try_combine_conversion): Strip useless
10476 type conversions after folding.
10478 2006-06-19 Richard Guenther <rguenther@suse.de>
10480 * ggc-page.c (extra_order_size_tab): Add entries with
10481 size of struct function and basic_block.
10482 (size_lookup): Extend to cover sizes up to 511.
10483 (ggc_alloc_stat): Adjust user.
10484 (ggc_pch_count_object): Likewise.
10485 (ggc_pch_alloc_object): Likewise.
10486 (ggc_pch_write_object): Likewise.
10488 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
10490 * tree-ssa-loop-niter.c (implies_ge_p): New function.
10491 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
10494 2006-06-19 Denis Chertykov <denisc@overta.ru>
10496 * config/avr/libgcc.S : Correct my wrong previous commit.
10498 2006-06-19 Roger Sayle <roger@eyesopen.com>
10501 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
10502 have stripped a SUBREG from the shift count, so we may need to
10503 convert_to_mode back to the type's mode before calling make_tree.
10504 Use new_amount instead of amount to avoid expanding a tree twice.
10506 2006-06-19 Richard Guenther <rguenther@suse.de>
10508 PR middle-end/28045
10509 * fold-const.c (operand_equal_p): Check if the argument types
10510 have the same precision before stripping NOPs.
10512 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
10514 Fix PR tree-optimization/27341
10515 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
10517 * tree-complex.c (pass_lower_complex): Update SMT usage.
10519 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
10521 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
10522 Add a new alternative to the constraint strings. Add move of
10523 operand 1 to 3 to the splitter definition.
10524 ("doloop_si_long"): Second contraint alternative removed.
10526 2006-06-08 Anatoly Sokolov <aesok@post.ru>
10528 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
10529 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
10531 (AVR_HAVE_MOVW) Define.
10532 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
10533 (ASM_SPEC): Add avr25.
10534 (LINK_SPEC): Add avr25.
10535 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
10536 (base_arch_s): Add new member 'have_movw_lpmx'.
10537 (avr_arch_types): Init 'have_movw_lpmx'.
10538 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
10539 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
10540 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
10541 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
10542 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
10544 (avr_file_start): Do not output '.arh' derective.
10545 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
10546 (__do_copy_data): Use __AVR_HAVE_LPMX__.
10547 * config/avr/avr.md (mcu_enhanced): Delete.
10548 (mcu_have_movw): Define.
10549 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
10550 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
10551 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
10552 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
10553 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
10554 attiny861 and at86rf401 devices.
10556 2006-06-18 Jie Zhang <jie.zhang@analog.com>
10558 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
10561 2006-06-17 Karl Berry <karl@gnu.org>
10563 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
10564 doc/gccint.texi, doc/install.texi (@dircategory): Use
10565 "Software development" instead of "Programming", following
10566 the Free Software Directory.
10568 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
10570 * config/i386/i386.c (legitimate_tls_address)
10571 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
10572 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
10573 (*tls_dynamic_gnu2_combine_64): Likewise.
10575 2006-06-16 Richard Guenther <rguenther@suse.de>
10577 PR middle-end/27116
10578 * fold-const.c (negate_expr_p): Do not introduce undefined
10579 overflow in negating INTEGER_CSTs.
10580 (fold_negate_expr): Rename from negate_expr. Revert last
10581 change for folding BIT_NOT_EXPR. Change semantics to
10582 return NULL_TREE for non-simplified negations. Do not
10583 strip type conversions and unify type handling.
10584 (negate_expr): New function, wrap around fold_negate_expr
10585 but ensure building a tree always. Strip type conversions
10586 here, fold to result type.
10587 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
10589 2006-06-16 Roger Sayle <roger@eyesopen.com>
10591 PR middle-end/27802
10592 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
10593 that (would) return their results in stack registers.
10595 2006-06-16 Michael Matz <matz@suse.de>
10596 Richard Guenther <rguenther@suse.de>
10598 * fold-const.c (fold_truthop): Only return new tree node if
10599 we canonicalized something.
10601 2006-06-16 Richard Guenther <rguenther@suse.de>
10603 * function.h (enum function_frequency): Move declaration
10604 out of struct function.
10605 (struct function): Move bool fields and the enum to the bitfield
10606 section. Reorder elements to avoid padding. Remove unused
10607 fields left over from the RTL inliner removal.
10608 * function.c (free_after_compilation): Do not zero removed fields.
10609 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
10610 (ipa-type-escape.o): Likewise.
10612 2006-06-16 Richard Guenther <rguenther@suse.de>
10614 * cgraph.h (struct cgraph_local_info): Turn bool elements
10616 (struct cgraph_node): Likewise.
10617 (struct cgraph_varpool_node): Likewise.
10619 2006-06-15 Richard Guenther <rguenther@suse.de>
10621 * fold-const.c (fold_truth_not_expr): Rename from
10622 invert_truthvalue. Give it fold_* semantics to avoid
10623 generating garbage.
10624 (invert_truthvalue): New function. Wrapper around
10625 fold_truth_not_expr.
10626 (optimize_minmax_comparison): Avoid creating garbage.
10627 (fold_unary): Use fold_truth_not_expr for folding
10629 (fold_ternary): Replace uses of invert_truthvalue with
10630 fold_truth_not_expr where applicable.
10631 * tree.h (fold_truth_not_expr): Prototype.
10633 2006-06-16 Richard Guenther <rguenther@suse.de>
10635 PR tree-optimization/27781
10636 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
10637 * ipa-pure-const.c (target.h): Include.
10638 (analyze_function): Do not analyze functions that do not
10641 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
10643 PR middle-end/27793
10644 * tree-dfa.c (referenced_vars_dup_list): Remove.
10645 (find_referenced_vars): Remove assert.
10646 (referenced_var_check_and_insert): Replace dup list with assert.
10647 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
10648 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
10650 2006-06-15 Richard Guenther <rguenther@suse.de>
10652 * tree-ssa-structalias.c (alias_get_name): Avoid creating
10653 extra unused identifiers if not dumping.
10654 (create_variable_info_for): Likewise.
10656 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
10658 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
10659 (derive_constant_upper_bound): Derive more precise upper bound in
10660 common cases. Return type changed to double_int.
10661 (record_estimate): Reflect the changed return type of
10662 derive_constant_upper_bound.
10663 * double-int.c (double_int_zext, double_int_sext): Fix.
10665 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
10667 * configure.ac (CFLAGS): Get them from the toplevel or from the
10668 configure invocation.
10669 * configure: Regenerate.
10670 * Makefile.in (CFLAGS): Substitute value provided by configure.
10672 2006-06-14 Mark Mitchell <mark@codesourcery.com>
10675 * c-common.h (c_finish_omp_atomic): Adjust declaration.
10676 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
10677 rather than calling add_stmt on it.
10678 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
10680 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
10682 PR middle-end/27959
10683 * reload1.c (reload): Remove registers returned by update_eliminables
10684 from used_spill_regs.
10686 2006-06-13 DJ Delorie <dj@redhat.com>
10688 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
10690 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
10692 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
10693 html__strip_dir, html__mkdir_p. Enhance install-html target.
10694 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
10695 * configure: Regenerate.
10697 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
10699 * fold-const.c (fold_cond_expr_with_comparison): Check for
10700 Objective-C++ as language in deciding COND_EXPR transformation.
10702 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
10705 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
10706 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
10707 * config/sh/lib1funcs.h (SL, SL1): Define.
10708 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
10709 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
10710 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
10711 (OBJS_Os_4_200): New variable.
10712 ($(T)libgcc-Os-4-200.a): Use it.
10713 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
10714 when dividing 1 and/or by 0.
10716 2006-06-13 Roger Sayle <roger@eyesopen.com>
10718 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
10719 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
10720 * configure: Regenerate.
10722 2006-06-13 Jie Zhang <jie.zhang@analog.com>
10724 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
10725 for real instruction.
10727 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10729 PR middle-end/26807
10730 * haifa-sched.c (check_cfg): Handle special case.
10732 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
10735 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
10736 Add debug_info parameter. Chain the vars to the BLOCK instead
10737 of the BIND_EXPR if debug info are requested for them.
10738 (pop_gimplify_context): Adjust for above change.
10739 (gimple_add_tmp_var): Likewise.
10740 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
10741 Add bool parameter.
10742 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
10743 (convert_local_reference): Likewise.
10744 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
10745 (finalize_nesting_tree_1): Request that debug info be emitted
10746 for debug_var_chain.
10748 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10750 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
10751 for PR target/27863.
10753 2006-06-13 Richard Guenther <rguenther@suse.de>
10755 PR middle-end/27536
10756 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
10758 2006-06-13 Richard Guenther <rguenther@suse.de>
10760 PR tree-optimization/27830
10761 * tree-inline.c (copy_body_r): For copying the operand
10762 of an ADDR_EXPR make sure to fold &* afterwards.
10764 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
10766 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
10767 lvalues in the fb_none case with side-effects.
10769 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
10771 * tree-flow.h: Remove the prototype for
10772 compute_phi_arg_on_exit.
10773 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
10774 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
10777 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
10779 * builtins.c (expand_builtin_return_addr): Only use
10780 frame_pointer_rtx when count == 0 and we are expanding
10781 __builtin_return_address.
10783 2006-06-12 Fred Fish <fnf@specifix.com>
10785 * config/mips/mips.c (mips_file_start): Create special section
10786 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
10788 2006-06-11 Eric Christopher <echristo@apple.com>
10790 PR middle-end/27948
10791 * stor-layout.c (place_field): Remove check for
10792 remaining_in_alignment when aligning at the end of a run.
10794 2006-06-11 Eric Christopher <echristo@apple.com>
10797 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
10800 2006-06-11 Roger Sayle <roger@eyesopen.com>
10803 Revert incorrect fix for PR target/27158
10804 2006-05-08 Roger Sayle <roger@eyesopen.com>
10805 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
10806 of a reg_equiv_constant if the result is a legitimate constant.
10808 2006-06-11 Roger Sayle <roger@eyesopen.com>
10811 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
10812 extract a CONST_VECTOR element and interpret it as an integer.
10813 (vspltis_constant): Use const_vector_elt_as_int instead of the
10814 macro CONST_VECTOR_ELT in order to handle FP vector modes.
10815 * config/rs6000/predicates.md (easy_vector_const): Consider
10816 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
10818 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
10820 PR middle-end/27942
10821 * stor-layout.c (update_alignment_for_field): Don't add extra
10822 alignment for packed non-bitfield fields in ms_bitfield_layout_p
10825 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
10827 * config/mips/t-rtems: Add EL/EB multilib variants.
10829 2006-06-09 Mike Stump <mrs@apple.com>
10831 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
10833 2006-06-09 David Daney <ddaney@avtrex.com>
10835 * doc/install.texi: Add binutils version recommendation for mips-*-*.
10837 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
10839 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
10841 2006-06-09 Richard Guenther <rguenther@suse.de>
10843 PR tree-optimization/26998
10844 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
10845 of signed types, only TYPE_MIN_VALUE is special, but for both,
10846 minimum and maximum value. Likewise VR_ANTI_RANGE is special
10847 in this case, as is -fwrapv.
10849 2006-06-08 Mike Stump <mrs@apple.com>
10852 * config/darwin.c (darwin_asm_output_anchor): Disable
10853 -fsection-anchors on darwin for now.
10854 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
10855 * rs6000/rs6000.c (optimization_options): Likewise.
10857 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10860 * config/i386/i386.c (classify_argument): Skip fields with invalid
10863 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
10865 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
10866 (cse_insn): Likewise for the stack_pointer_rtx.
10868 2006-06-08 Roger Sayle <roger@eyesopen.com>
10870 * tree-ssa-dom.c (record_conditions): Only record "unordered"
10871 conditions from floating point comparisons.
10873 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
10875 PR middle-end/27733
10876 * expmed.c (struct alg_hash_entry): Fix type of field T
10877 to match synth_mult argument.
10878 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
10880 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10883 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
10886 2006-06-08 Richard Guenther <rguenther@suse.de>
10888 PR middle-end/27116
10889 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
10890 only, if overflow is defined and not trapping.
10891 (negate_expr): Likewise.
10893 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
10895 PR tree-optimization/27872
10896 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
10897 flag on the new exit edge of the unrolled loop.
10899 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
10901 PR rtl-optimization/26449
10902 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
10904 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
10906 PR middle-end/27793
10907 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
10908 referenced_variables with matching DECL_UID's.
10909 (find_referenced_vars): Make sure duplicate list is empty to start.
10910 (referenced_var_p): Remove.
10911 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
10912 Check if var is in the list, and add if needed. Update the duplicate
10913 list if a different var is in the list with the same DECL_UID.
10914 (add_referenced_var): Call routine to check and insert.
10915 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
10916 * tree-flow.h (referenced_vars_dup_list): External declaration.
10918 2006-06-07 Fred Fish <fnf@specifix.com>
10920 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
10923 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
10926 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
10927 the imaginary and real parts of a clobbered register.
10928 Emit insn to set the imaginary part.
10930 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
10932 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
10933 in lieu of unwind-dw2-fde.c.
10935 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
10937 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
10939 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
10942 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
10943 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
10944 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
10945 V4SImode temporaries and operations instead.
10947 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
10949 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
10952 2006-06-06 Mike Stump <mrs@apple.com>
10954 * Makefile.in: Rename to htmldir to build_htmldir to avoid
10955 installing during build.
10957 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10959 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
10961 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10962 * config/ia64/ia64.c (params.h): New header.
10963 (ia64_optimization_options): New function to adjust parameters.
10964 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
10965 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
10966 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
10968 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
10970 * stor-layout.c (debug_rli): Fix a typo in a debug message.
10972 2006-06-05 Steve Ellcey <sje@cup.hp.com>
10975 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
10977 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
10978 Victor Kaplansky <victork@il.ibm.com>
10980 PR tree-optimization/26360
10981 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
10984 2006-06-04 Roger Sayle <roger@eyesopen.com>
10985 Andrew Pinski <pinskia@physics.uc.edu>
10987 PR middle-end/27382
10988 * c-common.c (c_common_truthvalue_conversion): Explicitly check
10989 for LABEL_DECL before calling DECL_WEAK.
10992 * c-typeck.c (build_binary_op): Likewise, explicitly check for
10993 LABEL_DECL and PARM_DECL.
10995 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
10999 * c-decl.c (grokdeclarator): Disallow variably modified types at
11000 file scope. Avoid marking shared array type of constant size as
11003 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11006 * c-common.c (fold_offsetof_1): Handle static members.
11008 2006-06-04 Eric Christopher <echristo@apple.com>
11010 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
11011 (debug_rli): Output value for remaining_in_alignment.
11012 (update_alignment_for_field): Unconditionalize
11013 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
11014 extra alignment code.
11015 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
11016 ms_bitfield_layout_p code. Rewrite handling of structure fields.
11017 * tree.h (record_layout_info_s): Remove prev_packed.
11018 * doc/extend.texi (ms_struct): Add documentation of format.
11020 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
11022 * tree.h: Declare folding_initializer.
11023 * builtins.c (fold_builtin_constant_p): Give definite answer
11024 if folding inside an initializer.
11025 * fold-const.c: Define folding_initializer.
11026 (START_FOLD_INIT): Save and then set folding_initializer.
11027 (END_FOLD_INIT): Restore folding_initializer.
11029 2006-06-04 Richard Guenther <rguenther@suse.de>
11031 PR tree-optimization/27039
11032 * fold-const.c (fold_comparison): Handle pointer comparison
11033 again for all comparison codes. Compare offsets in signed
11035 (fold_binary): Move code from here.
11037 2006-06-03 Roger Sayle <roger@eyesopen.com>
11040 * config/i386/i386.c (construct_container): Split static issued_error
11041 flag into issued_sse_arg_error, issued_sse_ret_error and
11042 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
11043 requires the use of x87 registers and the user explicitly
11044 specified the -mno-80387 command line option.
11046 2006-06-02 Geoffrey Keating <geoffk@apple.com>
11048 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
11049 HAVE_DECL_SIGALTSTACK.
11051 (segv_handler): Use MC_FLD.
11052 * configure.ac: Check for a sigaltstack declaration.
11053 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
11054 * configure: Regenerate.
11055 * config.in: Regenerate.
11057 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
11060 * Makefile.in (stmp-fixinc): Fix typo.
11062 2006-06-02 Roger Sayle <roger@eyesopen.com>
11064 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
11065 are type correct. Clean-up.
11066 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
11067 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
11069 2006-06-01 DJ Delorie <dj@redhat.com>
11071 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
11072 shift, as we've disabled the "switch" insn that needs it.
11074 2006-06-01 Per Bothner <bothner@bothner.com>
11076 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
11077 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
11078 * c-ppoutput.c (cb_define): Don't increment line 0.
11080 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
11082 * doc/invoke.texi: Add cpu_type power6.
11083 * config.gcc: Add cpu_type power6.
11084 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
11085 to power5+ with Altivec.
11086 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
11087 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
11089 2006-05-30 Anatoly Sokolov <aesok@post.ru>
11091 * config/avr/avr.h (SET_ASM_OP): Define.
11093 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
11095 * config/bfin/bfin.c: Fix comment typos.
11097 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
11100 * doc/install.texi: Document --enable-bootstrap and
11101 --disable-bootstrap.
11103 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
11105 * doc/install.texi: Document that InfoZIP can replace jar.
11107 2006-05-31 Roger Sayle <roger@eyesopen.com>
11109 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
11110 isn't available, directly generate the simpler x87 patterns without
11111 the (use (const_int 0)).
11112 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
11113 implementation isn't available.
11114 (*negdf2_1): Likewise.
11115 (*negxf2_1): XF mode negation is always done using the x87.
11116 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
11118 2006-05-31 Roger Sayle <roger@eyesopen.com>
11120 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
11121 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
11123 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
11125 2006-05-31 Jie Zhang <jie.zhang@analog.com>
11127 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
11128 * config/bfin/bfin.c (basic-block.h): Include.
11129 (struct machine_function): New.
11130 (bfin_init_machine_status): New.
11131 (override_options): Initialize init_machine_status.
11132 (bfin_hardware_loop): New.
11133 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
11134 (DEF_VEC_P (loop_info)): New.
11135 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
11136 (struct loop_info): New.
11137 (loop_info): New typedef.
11138 (struct loop_work): New.
11139 (loop_work): New typedef.
11140 (DEF_VEC_O (loop_work)): New.
11141 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
11142 (bfin_dump_loops): New.
11143 (bfin_bb_in_loop): New.
11144 (bfin_scan_loop): New.
11145 (bfin_optimize_loop): New.
11146 (bfin_reorg_loops): New.
11147 (bfin_reorg): Use bfin_reorg_loops.
11148 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
11150 (I_REGNO_P): Simplify.
11151 (DP_REGNO_P, DPREG_P): New macros.
11152 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
11153 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
11154 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
11155 Add LT_REGS, LC_REGS, LB_REGS.
11156 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
11158 (REGNO_REG_CLASS): Deal with loop registers.
11159 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
11161 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
11162 New constants for loop registers.
11163 (UNSPEC_LSETUP_END): New.
11164 (seq_insns): New define_attr. Set it for appropriate insns.
11165 (movsi_insn): Add alternatives for move from/to
11166 loop count registers.
11167 (doloop_end): New define_expand.
11168 (loop_end): New define_insn.
11169 (define_split for bad doloop_end): New.
11170 (lsetup_with_autoinit): New define_insn.
11171 (lsetup_without_autoinit): New define_insn.
11172 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
11173 * config/bfin/predicates.md (lc_register_operand): New.
11174 (lt_register_operand): New.
11175 (lb_register_operand): New.
11176 (nondp_register_operand): New.
11177 (nondp_reg_or_memory_operand): New.
11178 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
11180 2006-05-31 Jie Zhang <jie.zhang@analog.com>
11182 * config/bfin/bfin.c (bfin_delegitimize_address): New.
11183 (TARGET_DELEGITIMIZE_ADDRESS): Define.
11185 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
11187 * Makefile.in (CATALOGS): Add po/ prefix.
11188 * configure: Regenerated.
11190 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
11193 * arm.c (arm_print_operand case 'S'): Validate that the operand is
11194 a shift operand before calling shift_op. Avoid redundant call of
11197 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
11198 DJ Delorie <dj@redhat.com>
11200 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
11201 we're inserting is a singlt-bit constant.
11203 2006-05-30 Roger Sayle <roger@eyesopen.com>
11205 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
11206 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
11208 2006-05-30 Roger Sayle <roger@eyesopen.com>
11210 PR tree-optimization/23452
11211 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
11212 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
11213 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
11214 complex values and with -ffast-math for FP complex values.
11216 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
11218 * c-common.h: Remove the prototype for yyparse.
11219 * rtl.h: Remove the prototype for init_loop.
11221 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
11223 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
11226 2006-05-30 Roger Sayle <roger@eyesopen.com>
11228 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
11230 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
11231 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
11233 2006-05-30 Dirk Mueller <dmueller@suse.de>
11236 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
11237 for CONSTANT_CLASS_P expresisons.
11239 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11242 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
11244 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
11246 PR tree-optimization/27779
11247 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
11248 initial_condition instead of CHREC_LEFT.
11250 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
11252 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
11253 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
11254 Make prototypes ISO C90.
11256 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
11257 Leehod Baruch <leehod.baruch@weizmann.ac.il>
11259 * see.c (see_analyze_one_def): Correct check.
11260 (see_get_extension_data): Check if extension is parallel.
11261 (see_get_extension_reg): Likewise.
11263 2006-05-30 Uros Bizjak <uros@kss-loka.si>
11266 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
11267 into register for (code == GTU).
11269 2006-05-29 Roger Sayle <roger@eyesopen.com>
11271 PR tree-optimization/24964
11272 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
11273 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
11274 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
11275 abs(x)*abs(x) as x*x for scalar floating point modes.
11277 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
11279 PR middle-end/27745
11280 * lambda-code.c (perfect_nestify): Don't copy statements
11281 in the inner loop: move them to the inner loop header.
11283 2006-05-29 Diego Novillo <dnovillo@redhat.com>
11286 * c-tree.texi: Document OpenMP directives and clauses.
11288 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
11290 * varasm.c (globalize_decl): Fix indentation.
11292 2006-05-29 Diego Novillo <dnovillo@redhat.com>
11295 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
11296 pass_fre, pass_store_ccp, pass_copy_prop,
11297 pass_store_copy_prop, pass_merge_phi, pass_nrv,
11298 pass_return_slot, pass_object_size, pass_lim,
11299 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
11300 pass_loop_prefetch and pass_stdarg.
11302 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
11304 * config/bfin/bfin.opt (mfdpic): New option.
11305 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
11306 (EXTRA_MULTILIB_PARTS): Likewise.
11307 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
11308 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
11310 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
11311 (CRT_CALL_STATIC_FUNCTION): New.
11312 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
11314 (CRT_CALL_STATIC_FUNCTION): New.
11315 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
11317 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
11318 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
11319 (initialize_trampoline): Changed to handle FD-PIC code generation.
11320 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
11321 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
11322 (override_options): Disallow -mid-shared-library -mfdpic combination.
11323 Can't do unaligned ops if FD-PIC.
11324 Turn off flag_pic if trying to generate non-id-shared-library
11325 non-fdpic code, since it's not supported.
11326 (bfin_assemble_integer): New function.
11327 (TARGET_ASM_INTEGER): Define.
11328 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
11330 * config/bfin/crtn.s: Restore them.
11331 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
11333 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
11334 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
11335 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
11336 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
11337 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
11339 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
11340 FDPIC_REGS and FDPIC_FPTR_REGS.
11341 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
11342 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
11343 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
11344 (load_funcdescsi): New pattern.
11345 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
11346 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
11347 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
11349 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
11351 * gcse.c, rtlanal.c: Remove obsolete comments associated with
11354 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
11356 * tree-flow.h: Remove the prototype for add_type_alias.
11357 * tree-ssa-alias.c (add_type_alias): Remove.
11359 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
11361 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
11362 config/fr30/fr30.md, config/i386/i386-interix.h,
11363 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
11364 config/sh/superh64.h, config/v850/v850.c, df-core.c,
11365 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
11366 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
11367 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
11368 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
11369 Follow spelling conventions.
11370 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
11371 Follow spelling conventions.
11373 2006-05-27 Richard Guenther <rguenther@suse.de>
11375 PR middle-end/27773
11376 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
11377 to produce a constant of value 1 of generic type.
11379 2006-05-27 Dirk Mueller <dmueller@suse.de>
11381 * cgraphunit.c (decide_is_function_needed): Fix wrong
11384 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
11386 PR rtl-optimization/27661
11387 * reload.c (find_reloads): When reloading a VOIDmode constant
11388 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
11389 use Pmode as mode of the reload register.
11391 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
11393 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
11394 is enabled at -O and above.
11396 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
11399 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
11402 2006-05-25 Mark Mitchell <mark@codesourcery.com>
11405 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
11406 for anonymous variables explicitly declared by front ends.
11408 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
11410 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
11411 (struct alias_info): Add new field ref_all_symbol_mem_tag.
11412 * tree-ssa-alias.c (compute_may_aliases): If the program contains
11413 ref-all pointers, run a finalization pass for them.
11414 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
11415 (finalize_ref_all_pointers): New function.
11416 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
11417 regular pointer type to a ref-all pointer type.
11418 (get_tmt_for): Return the special memory tag for ref-all pointers.
11420 2006-05-25 Richard Guenther <rguenther@suse.de>
11422 PR middle-end/27743
11423 * fold-const.c (fold_binary): Do not look at the stripped
11424 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
11426 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
11428 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
11429 for LT and GT if the computed range is effectively empty.
11431 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11434 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
11435 mips_quad_format formats instead of ieee_single_format,
11436 ieee_double_format and ieee_quad_format formats, respectively.
11438 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
11440 PR tree-optimization/27639
11441 PR tree-optimization/26719
11442 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
11443 call to scev_probably_wraps_p.
11444 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
11445 used_in_pointer_arithmetic_p, convert_step): Removed.
11446 (nowrap_type_p): New function.
11447 (scev_probably_wraps_p): Rewritten.
11448 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
11449 chrec_convert if chrec_convert_aggressive might have been used.
11450 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
11451 scev_direction): New functions.
11452 (chrec_convert): Changed to a wrapper over chrec_convert_1.
11453 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
11454 instead of convert_step.
11455 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
11456 (convert_step): Declaration removed.
11457 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
11459 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
11461 * df-core.c: Added to header comments.
11462 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
11463 df_ur_bb_info, df_urec_bb_info): Added comments.
11464 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
11465 urec, ri problems): Fixed header comments.
11466 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
11467 code from df_rd_transfer_function.
11469 2006-05-23 Richard Sandiford <richard@codesourcery.com>
11471 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
11472 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
11473 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
11475 2006-05-23 Joseph Myers <joseph@codesourcery.com>
11477 * expr.c (undefined_operand_subword_p): New.
11478 (emit_move_multi_word): Do not generate move from undefined bits
11479 of a paradoxical subreg.
11481 2006-05-23 Richard Sandiford <richard@codesourcery.com>
11483 PR rtl-optimization/27736
11484 * combine.c (replaced_rhs_value): New variable.
11485 (combine_instructions): Set it.
11486 (distribute_notes): When distributing a note in replaced_rhs_insn,
11487 check whether the value was used in replaced_rhs_value.
11489 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
11492 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
11493 add_referenced_var instead of add_referenced_tmp_var.
11494 * tree-complex.c (create_one_component_var): Use add_referenced_var.
11495 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
11496 add_referenced_var.
11497 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
11498 tree_optimize_tail_calls_1): Use add_referenced_var.
11499 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
11500 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
11501 Use add_referenced_var.
11502 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
11503 * gimplify.c (force_gimple_operand): Use add_referenced_var.
11504 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
11505 Use add_referenced_var.
11506 * tree-dfa.c (struct walk_state): Remove.
11507 (find_referenced_vars): Remove walk state and vars_found hash table.
11508 (make_rename_temp): Use add_referenced_var.
11509 (find_vars_r): Pass less parameters to add_referenced_var.
11510 (referenced_var_p): New. Is var in referenced_var hash table.
11511 (referenced_var_insert): Assert var isn't already in hash table.
11512 (add_referenced_var): Don't need walk_state parameter. Add var if it
11513 isn't already in the hash table.
11514 (add_referenced_tmp_var): Remove.
11515 (find_new_referenced_vars_1): Use add_referenced_var.
11516 * tree-ssa-pre.c (create_expression_by_pieces,
11517 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
11518 Use add_referenced_var.
11519 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
11520 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
11521 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
11522 add_referenced_var.
11523 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11524 vect_create_data_ref_ptr, vect_create_destination_var,
11525 vect_init_vector, vect_build_loop_niters,
11526 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
11527 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
11528 Use add_referenced_var.
11529 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
11530 * tree-flow.h (add_referenced_tmp_var): Remove prototype
11531 (add_referenced_var): Add prototype.
11532 * tree-ssa-structalias.c (get_constraint_for,
11533 intra_create_variable_infos): Use add_referenced_var.
11535 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
11537 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
11538 big-endian paradoxical subregs.
11539 * var-tracking.c (struct micro_operation_def): Document that,
11540 for modify micro operations, insn is the subsequent instruction.
11541 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
11542 (var_reg_set, var_mem_set): ... new functions.
11543 (add_stores): Record subsequent insn.
11544 (compute_bb_dataflow): Use new functions for MO_USE.
11545 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
11546 notes after the insn, and modify notes before the insn known
11547 to be the subsequent one.
11548 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
11550 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
11553 * config/i386/i386.c (ix86_expand_builtin): Use
11554 gen_sse3_monitor64 for TARGET_64BIT.
11556 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
11558 PR rtl-optimization/26375
11559 PR rtl-optimization/26855
11560 * df-problems (df_ru_bb_local_compute_process_def): Removed update
11562 (df_ru_bb_local_compute): Reversed statements and removed bogus
11563 comment explaining why they should be in wrong order.
11564 (df_ru_dump, df_rd_dump): Enhanced debug info.
11565 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
11567 * ddg.c (add_deps_for_def): Converted use of reaching defs to
11568 reaching uses and fixed space problem.
11570 2006-05-23 Jan Hubicka <jh@suse.cz>
11572 * cgraphunit.c (decide_is_function_needed): Also nested functions
11573 and functions declared inline can be optimized out at -O0.
11575 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
11577 * doc/install.texi (Configuration): Remove reference to CrossGCC
11578 FAQ which was gone.
11581 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
11584 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
11585 ix86_compare_emitted is non-NULL.
11587 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11590 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
11593 2006-05-22 Richard Sandiford <richard@codesourcery.com>
11595 PR rtl-optimization/25514
11596 * combine.c (replaced_rhs_insn): New variable.
11597 (combine_instructions): Set replaced_rhs_insn when trying to replace
11598 a SET_SRC with a REG_EQUAL note.
11599 (distribute_notes): Use replaced_rhs_insn when determining the live
11600 range of a REG_DEAD register.
11602 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
11603 Anatoly Sokolov <aesok@post.ru>
11605 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
11606 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
11607 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
11608 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
11609 atmega3290, atmega649, atmega6490, atmega406, atmega640,
11610 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
11611 at90usb647, at90usb1286 and at90usb1287 devices.
11612 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
11613 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
11615 2006-05-22 Richard Sandiford <richard@codesourcery.com>
11617 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
11619 2006-05-22 Richard Guenther <rguenther@suse.de>
11622 2006-01-31 Richard Guenther <rguenther@suse.de>
11623 Paolo Bonzini <bonzini@gnu.org>
11625 * doc/install.texi (--disable-libgcc-math): Document.
11627 2006-05-22 Richard Guenther <rguenther@suse.de>
11630 2006-01-31 Richard Guenther <rguenther@suse.de>
11632 * doc/invoke.texi (-msselibm): Document.
11633 * target.h (expand_library_builtin): New target hook.
11634 * builtins.c (expand_builtin): Use expand_library_builtin.
11635 (default_expand_library_builtin): New function.
11636 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11637 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11638 (link_gcc_math_spec): Declare.
11639 (static_specs): Add link_gcc_math_spec.
11640 * expr.h (default_expand_library_builtin): Declare.
11641 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11642 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11643 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11644 * config/i386/i386.opt (msselibm): New target option.
11645 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11646 (ix86_init_sse_abi_builtins): New function.
11647 (ix86_expand_library_builtin): Likewise.
11648 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11649 (override_options): Handle error conditions wrt -msselibm.
11650 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11651 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11652 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11655 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11658 * c-common.c (self_promoting_args_p): Skip erroneous args.
11661 * c-decl.c (finish_struct): Skip erroneous fields.
11663 2006-05-22 Nick Clifton <nickc@redhat.com>
11665 * config/cris/cris.opt (march): Remove VarExists attribute.
11666 (max-stackframe=): Likewise.
11668 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
11670 * doc/rtl.texi: Fix a typo.
11671 * see.c: Fix comment typos.
11673 * tree-ssa-structalias.h (alias_info): Remove num_references.
11675 2006-05-21 Mike Stump <mrs@apple.com>
11677 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
11679 (darwin_pragma_options): Use BAD instead.
11680 (darwin_pragma_unused): Likewise.
11681 (darwin_pragma_ms_struct): Likewise.
11683 2006-05-21 David Edelsohn <edelsohn@gnu.org>
11685 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
11687 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
11689 PR rtl-optimization/27671
11690 * simplify-rtx.c (simplify_relational_operation_1): Fix
11691 simplifications of (eq/ne (xor x y) y) and
11692 (eq/ne (xor x y) x).
11694 PR tree-optimization/26622.
11695 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
11698 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
11700 * tree-cfg.c: Prune whitespace.
11701 (debug_tree_cfg): Point to correct header containing the
11704 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
11706 PR middle-end/25776
11707 * cgraphunit.c (verify_cgraph_node): Typo in error message.
11709 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
11711 PR middle-end/25776
11712 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
11713 or sorry count is non zero.
11715 2006-05-20 Andreas Schwab <schwab@suse.de>
11717 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
11719 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
11720 Kenneth Zadeck <zadeck@naturalbridge.com>
11722 PR rtl-optimization/26855
11724 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
11726 (df_scan_alloc): Added code to properly handle multiword hard
11727 registers and add all_blocks parameter.
11728 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
11729 code to properly handle multiword hard registers.
11730 (df_rescan_blocks): Added code to remove deleted blocks from
11732 (df_ref_create_structure, df_ref_record): Added code to properly
11734 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
11735 and set DF_REF_PARTIAL.
11736 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
11737 (df_uses_record): Added DF_REF_PARTIAL for subreg.
11738 (df_scan_add_problem): Added flags parameter.
11739 (df_ref_create_structure): Changed switching structure.
11740 (df_bb_refs_record): Fixed case where duplicate artificial refs
11741 were created. Changed location of flags.
11742 (df_record_entry_block_defs): Added code to make stack pointer
11743 live in entry block. Refined cases where frame pointer is needed.
11744 Changed location of flags.
11745 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
11746 (df_set_state): Removed function.
11747 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
11748 df_insn_create_insn_record, df_insn_refs_delete,
11749 df_ref_create_structure): Formatting changes.
11750 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
11751 df_delete_basic_block): New function.
11752 (df_init): Changed location of flags.
11753 (df_add_problem): Added flags parameter and the way flags are
11755 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
11756 debug_df_chain): Improved debugging output.
11757 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
11758 (df_refs_chain_dump): Removed df parameter.
11759 (df_iterative_dataflow): Added consistency check.
11760 (df_prune_to_subcfg): Made public.
11761 (df_analyze_problem): Added blocks_to_init parameter and made
11763 (df_ref_record, df_bb_refs_record, df_mark_reg,
11764 df_record_exit_block_uses): Whitespace changes.
11765 (df_dump): Whitespace changes.
11766 * df.h: Some reordering to remove forward references.
11767 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
11768 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
11769 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
11770 (dataflow.flags): New field.
11771 (df.flag): Deleted field.
11772 (df_alloc_function): Added additional bitmap parameter.
11773 (df_dependent_problem_function): New type.
11774 (df_problem.changeable_flags): New field.
11775 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
11776 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
11777 (df_mw_hardreg): New struct.
11778 (DF_INSN_UID_MWS): New macro.
11779 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
11781 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
11782 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
11783 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
11784 (df_set_state): Removed function.
11785 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
11786 * df-problems.c (df_chain_dump): Removed df parameter.
11787 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
11788 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
11790 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
11791 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
11792 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
11793 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
11794 DF_REF_MUST_CLOBBER cases.
11795 (df_ru_bb_local_compute_process_def,
11796 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
11797 df_lr_bb_local_compute, df_ur_bb_local_compute,
11798 df_chain_create_bb): Made subreg aware.
11799 (df_ru_bb_local_compute, df_rd_bb_local_compute,
11800 df_lr_bb_local_compute, df_lr_bb_local_compute,
11801 df_chain_create_bb): Cleanup to use proper macros.
11802 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
11803 code to fixup bitvectors.
11804 (df_ri_alloc): Cleared lifetime.
11805 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
11806 df_create_unused_note): New function.
11807 (df_ri_bb_compute, df_ri_compute): Added code to create/update
11808 REG_DEAD and REG_UNUSED notes as well as register information.
11809 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
11810 df_chains_dump): Fixed crash if problem was never run.
11811 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
11812 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
11813 df_ri_add_problem): Processes flags in uniform manner.
11814 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
11815 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
11816 df_rd_dump, df_urec_free_bb_info): Formatting changes.
11817 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
11818 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
11819 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
11820 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
11821 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
11822 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
11823 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
11824 * see.c (see_initialize_data): Ditto.
11825 * final.c (rest_of_clean_state) Added regstack_completed.
11826 * rtl.h (regstack_completed): Ditto.
11827 * reg-stack.c (regstack_completed): Ditto.
11829 2006-05-19 Mike Stump <mrs@apple.com>
11831 * c-tree.h (default_conversion): Remove.
11832 * c-common.h (default_conversion): Add.
11834 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
11836 * tree-vrp.c (valid_value_p): New function.
11837 (adjust_range_with_scev): Fail if the value of bound is not
11840 2006-05-19 Richard Sandiford <richard@codesourcery.com>
11842 * config/mips/linux-unwind.h: Include <asm/unistd.h>
11843 (mips_fallback_frame_state): Use syscall numbers to determine
11844 the appropriate li instruction for the current ABI. Only use
11845 __NR_sigreturn for o32.
11847 2006-05-19 Nicolas Setton <setton@adacore.com>
11849 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
11850 * langhooks.c (lhd_dwarf_name): New function.
11851 * langhooks-def.h (lhd_dwarf_name): Declare.
11852 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
11853 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
11855 2006-05-19 Richard Sandiford <richard@codesourcery.com>
11857 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
11859 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
11860 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
11861 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
11862 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
11863 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
11864 determine the size of Wtype, etc.
11865 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
11866 (swfloatfuncs): New variable.
11867 (dwfloatfuncs): Likewise.
11868 (lib2funcs): Remove floating-point conversion functions from
11869 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
11870 the set of conversion routines needed. Allow entries to specify
11871 an object name, filename and word size. Update users accordingly.
11872 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
11873 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
11877 2006-02-08 Roger Sayle <roger@eyesopen.com>
11880 * config/fixtfdi.c: New libgcc source file.
11881 * config/fixunstfdi.c: New source file.
11882 * config/floatditf.c: New source file.
11883 * config/floatunditf.c: New souce file.
11884 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
11885 files above instead of config/mips/_tilib.c.
11886 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
11888 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11890 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
11891 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
11893 2006-05-18 Mike Stump <mrs@apple.com>
11895 Fix up vla, vm and [*] sematics.
11901 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
11902 (c_vla_unspec_p): Add.
11903 (c_vla_type_p): Add.
11904 * c-decl.c (struct c_scope): Add had_vla_unspec.
11905 (build_array_declarator): Add support for [*].
11906 (grokdeclarator): Likewise.
11907 (grokparms): Likewise.
11908 (get_parm_info): Likewise.
11909 * c-objc-common.c (c_vla_unspec_p): Likewise.
11910 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
11911 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
11912 typeof when argument is a variably modified type not inside sizeof or alignof.
11913 (c_parser_direct_declarator_inner): Propagate errors.
11914 (c_parser_sizeof_expression): Add support for [*].
11915 (c_parser_parms_declarator): Initialize had_vla_unspec.
11916 (c_parser_parms_list_declarator): Likewise.
11917 * c-typeck.c (c_vla_type_p): Add.
11918 (composite_type): Add support for vla compositing.
11919 (comptypes_internal): Add support for vla compatibility.
11920 (c_expr_sizeof_expr): Evaluate vla arguments.
11921 * tree.c (variably_modified_type_p): Update comment for [*].
11923 2006-05-18 Michael Matz <matz@suse.de>
11926 * config.host: Make assignments to host_xmake_file cumulative.
11927 * config.host (*-darwin*): Test $host, not $target.
11929 2006-05-12 Stuart Hastings <stuart@apple.com>
11931 * config/i386/i386.opt (-mstackrealign): New flag.
11932 * config/i386/i386.c (force_align_arg_pointer): New attribute.
11933 (ix86_handle_cconv_attribute): Emit error when
11934 force_align_arg_pointer attribute collides with too many regparms.
11935 (ix86_function_regparm): Limit regparms when used with
11936 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
11937 Support stack-realigning prologue in non-main functions. Emit
11938 warning for nested functions under -mstackrealign, emit error for
11939 nested functions with force_align_arg_pointer attribute.
11940 * doc/extend.texi (force_align_arg_pointer): Document it.
11941 * doc/invoke.texi (-mstackrealign): Document it.
11943 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
11945 PR rtl-optimization/27477
11946 * combine.c (try_combine): Don't split a parallel consisting
11947 of two sets into two individual sets if both sets reference
11950 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
11952 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
11953 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
11955 * doc/options.texi (VarExists): Updated.
11957 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11959 * unwind-dw2.c: Add declarations for uw_update_context and
11960 uw_frame_state_for.
11961 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
11962 detected, advance frame state and context once to skip over stub.
11964 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
11966 PR middle-end/20256
11967 PR middle-end/26435
11968 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
11969 Call rewrite_into_loop_closed_ssa only when something changed.
11970 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
11971 * lambda-code.c (can_convert_to_perfect_nest): Declared.
11972 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
11973 Test for perfect_nest_p here. Fix formating.
11974 (replace_uses_equiv_to_x_with_y): Fix formating.
11975 (stmt_uses_op): Removed.
11976 (can_convert_to_perfect_nest): Removed loopivs parameter.
11977 Complete the test by checking the scalar dependences.
11978 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
11981 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
11984 From Dan Kegel <dank@kegel.com>:
11985 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
11987 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
11989 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
11990 if the element type is variably modified without recursing.
11992 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
11994 PR middle-end/27332
11995 * tree-loop-linear.c (try_interchange_loops): Test for
11996 no data dependences.
11998 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
12000 PR tree-optimization/27548
12001 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
12002 range of ssa names that appear on abnormal edges.
12003 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
12004 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
12006 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
12008 PR middle-end/27620
12009 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
12011 2006-05-17 Jakub Jelinek <jakub@redhat.com>
12013 PR middle-end/27415
12014 * tree.h (OMP_PARALLEL_COMBINED): Define.
12015 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
12016 (new_omp_context): Add is_combined_parallel argument.
12017 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
12018 new_omp_context caller.
12019 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
12020 Adjust gimplify_scan_omp_clauses callers.
12021 (omp_is_private): Issue errors if iteration variable is firstprivate
12022 or reduction in the current context.
12023 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
12024 on combined parallel workshare constructs.
12026 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
12028 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
12029 (gcc-options.o): New rule.
12031 * optc-gen.awk: Protect variables for gcc-options.o with
12032 #ifdef GCC_DRIVER/#endif.
12034 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
12036 Fix PR tree-optimization/27373
12037 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
12038 (forward_propagate_addr_expr): Update call.
12040 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
12042 * doc/options.texi: Move the Negative option.
12044 2006-05-16 Richard Guenther <rguenther@suse.de>
12046 PR tree-optimization/22303
12047 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
12049 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
12050 ccp_fold did not simplify the statement.
12052 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
12055 * Makefile.in (GCC_OBJS): New.
12056 (OBJS-common): Add opts-common.o.
12057 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
12058 (cpp$(exeext)): Likewise.
12059 (gcc.o): Also depend on opts.h.
12060 (opts-common.o): New.
12062 * common.opt (gcoff): Add Negative(gdwarf-2).
12063 (gdwarf-2): Add Negative(gstabs).
12064 (gstabs): Add Negative(gstabs+).
12065 (gstabs+): Add Negative(gvms).
12066 (gvms): Add Negative(gxcoff).
12067 (gxcoff): Add Negative(gxcoff+).
12068 (gxcoff+): Add Negative(gcoff).
12069 * config/i386/i386.opt (m32): Add Negative(m64).
12070 (m64): Add Negative(m32).
12072 * doc/options.texi: Document the Negative option.
12074 * gcc.c: Include "opts.h".
12075 (main): Call prune_options after expandargv.
12077 * optc-gen.awk: Generate common declarations for all flag
12078 variables in options.c. Output the neg_index field.
12080 * opts.c (find_opt): Moved to ...
12081 * opts-common.c: Here. New file.
12083 * opts.h (cl_option): Add a neg_index field.
12085 (prune_options): Likewise.
12087 2006-05-16 Jakub Jelinek <jakub@redhat.com>
12089 PR middle-end/27573
12090 * omp-low.c (expand_omp_parallel): Don't assert
12091 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
12092 instead search for it.
12095 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
12098 2006-05-16 Andreas Schwab <schwab@suse.de>
12100 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
12103 2006-05-15 Roger Sayle <roger@eyesopen.com>
12106 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
12107 integer constants other than zero are only legitimate on TARGET_64BIT.
12108 <CONST_VECTOR> Only zero vectors are legitimate.
12109 (ix86_cannot_force_const_mem): Integral and vector constants can
12110 always be put in the constant pool.
12112 2006-05-16 DJ Delorie <dj@redhat.com>
12114 * crtstuff.c (__dso_handle): Set section from
12115 TARGET_LBIGCC_SDATA_SECTION if defined.
12116 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
12117 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
12119 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
12122 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
12125 2006-05-16 Ben Elliston <bje@au.ibm.com>
12127 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
12129 2006-05-15 Per Bothner <per@bothner.com>
12131 * tree.c: (last_annotated_node): Use source_locus typedef.
12132 This permits bootstrapping with --enable-mapped-location.
12134 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
12136 PR tree-optimization/26830
12137 * tree-into-ssa.c (struct ssa_name_info): Add age field.
12138 (info_for_ssa_name, current_info_for_ssa_name_age,
12139 blocks_to_update): New variables.
12140 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
12141 (clear_ssa_name_info, initialize_flags_in_bb,
12142 mark_block_for_update): New functions.
12143 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
12144 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
12145 prepare_def_site_for): Use mark_block_for_update.
12146 (mark_def_interesting): Assert that the processed block is marked in
12147 blocks_to_update. Do not take blocks argument.
12148 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
12150 (rewrite_update_init_block, rewrite_update_stmt): Only process
12151 blocks with statements to rewrite.
12152 (delete_update_ssa): Do not clear SSA_NAME_AUX.
12153 (update_ssa): Initialize and free blocks_to_update. Do not
12154 clear flags on statements. Do not use blocks bitmap.
12155 * tree.h (SSA_NAME_AUX): Removed.
12156 (struct tree_ssa_name): Removed aux field.
12157 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
12159 2006-05-15 Richard Guenther <rguenther@suse.de>
12161 PR tree-optimization/27603
12162 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
12163 Do computations in original type.
12165 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
12167 * see.c: Code style changes such as redundant paranthesis,
12168 redundant intialization of local variables etc.
12169 (see_main): Declared now as static.
12170 * doc/invoke.texi: Update that -fsee is not enabled by
12173 2006-05-15 Jakub Jelinek <jakub@redhat.com>
12175 * omp-low.c (check_omp_nesting_restrictions): New function.
12176 (scan_omp_1): Call it.
12178 PR middle-end/27416
12179 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
12180 construct, return *VAR.
12182 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
12184 PR rtl-optimization/27406
12185 * bt-load.c (migrate_btr_def): Skip the block having abnormal
12188 2006-05-14 Roger Sayle <roger@eyesopen.com>
12190 PR rtl-optimization/27538
12191 * combine.c (expand_compound_operation): Call gen_lowpart
12192 before calling simplify_shift_const.
12194 2006-05-14 Roger Sayle <roger@eyesopen.com>
12196 PR rtl-optimization/22563
12197 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
12198 a fixed width bitfield, always force the intermediates into psuedos.
12200 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
12203 * mkconfig.sh: Use operator = instead of == for test.
12205 2006-05-13 Nick Clifton <nickc@redhat.com>
12207 * dwarf2out.c (dbx_reg_number): Check return value from
12208 LEAF_REG_REMAP and only use it if it is valid.
12209 (multiple_reg_loc_descriptor): Likewise.
12211 2006-05-13 Richard Guenther <rguenther@suse.de>
12213 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
12216 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
12218 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
12219 information attached to non-INSNs such as NOTEs.
12220 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
12222 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
12224 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
12226 * config/s390/s390.md: Adjust comment describing On constraint.
12228 2006-05-11 Jan Hubicka <jh@suse.cz>
12230 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
12231 to be output at -O0.
12233 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12235 PR middle-end/27384
12236 * fold-const.c (size_binop): Move sanity check for arguments to
12237 the beginning of the function.
12239 PR middle-end/27488
12240 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
12243 2006-05-11 Richard Guenther <rguenther@suse.de>
12245 PR middle-end/27529
12246 * fold-const.c (fold_unary): Handle intermediate conversion
12247 to a pointer type like intermediate conversion to an integer
12248 type in folding of (T1)(T2)var to var.
12249 Match the code to the comment in the final conversion for
12250 (T1)(T2)var to (T1)var regarding to type precision. Rather
12251 than disallow T1 being of pointer type, assert that both T1
12252 and var are of pointer type or not. Make sure not to fall
12253 over the frontends lazyness wrt array to pointer decay though.
12255 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
12257 * arm.c (arm_struct_value_rtx): Delete.
12258 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
12259 (arm_init_cumulative_args): Always initialize nregs to zero.
12261 2006-05-10 Richard Guenther <rguenther@suse.de>
12263 PR tree-optimization/27532
12264 * tree-object-size.c (plus_expr_object_size): Fix typo.
12266 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
12269 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
12270 ashrdi_const, ashrdi3): Use a scratch register.
12272 2006-05-10 Richard Guenther <rguenther@suse.de>
12274 PR tree-optimization/27302
12275 * fold-const.c (operand_equal_p): For two comparisons,
12276 try comparison of one comparison code swapped if that yields
12279 2006-05-10 Ben Elliston <bje@au.ibm.com>
12281 * tree-pretty-print.c (pretty_print_string): No need to handle
12282 '\0' as a special character.
12284 * tree.h: Include "hashtab.h".
12285 (iterative_hash_expr): Use hashval_t in its prototype.
12286 * Makefile.in (TREE_H): Add $(HASHTAB_H).
12288 2006-05-09 Steve Ellcey <sje@cup.hp.com>
12291 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
12292 (hppa*64*-*-hpux11*): Ditto.
12293 (hppa[12]*-*-hpux11*): Ditto.
12295 2006-05-09 David Edelsohn <edelsohn@gnu.org>
12298 * config/rs6000/aix41.h (TARGET_64BIT): Define.
12300 2006-05-09 Michael Matz <matz@suse.de>
12302 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
12303 host_extra_gcc_objs and host_xmake_file.
12304 (<*-*-linux*>): Don't overwrite host_xmake_file.
12305 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
12306 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
12307 (host_detect_local_cpu): Declare.
12308 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
12309 * config/i386/i386.c (override_options): Handle -mtune=native
12311 * config/i386/x-i386: New file.
12312 * config/i386/driver-i386.c: New file.
12313 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
12316 2006-05-09 Dirk Mueller <dmueller@suse.de>
12317 Richard Guenther <rguenther@suse.de>
12319 PR middle-end/27498
12320 * fold-const.c (fold_read_from_constant_string): Relax check
12321 for matching types to matching modes.
12323 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
12325 PR rtl-optimization/27335
12326 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
12329 2006-05-08 Chao-ying Fu <fu@mips.com>
12330 Richard Sandiford <richard@codesourcery.com>
12332 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
12333 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
12334 * config/mips/mips.md (UNSPEC_SCC): New constant.
12335 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
12336 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
12337 (mips_emit_compare): Use it.
12338 (mips_expand_vcondv2sf): New function.
12340 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
12342 Fix PR tree-optimization/27093
12343 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
12344 renaming when they become not-used_alone.
12346 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12348 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
12349 relocation and relocation stubs.
12351 2006-05-08 Eric Christopher <echristo@apple.com>
12353 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
12356 2006-05-08 Jan Hubicka <jh@suse.cz>
12358 PR middle-end/24561
12359 * cgraphunit.c (decide_is_function_needed): When not optimizing even
12360 unused static functions are needed.
12362 2006-05-08 Roger Sayle <roger@eyesopen.com>
12365 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
12366 of a reg_equiv_constant if the result is a legitimate constant.
12368 2006-05-08 Uros Bizjak <uros@kss-loka.si>
12371 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
12372 standard 80387 constants, raise the cost to prevent
12373 compress_float_constant() to generate load from memory.
12375 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
12377 * config/arm/constraints.md (c): Fix a typo.
12379 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
12382 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
12385 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
12387 (_mm_mwait): Likewise.
12389 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
12391 (sse3_monitor): Make it 32bit only.
12392 (sse3_monitor64): New. 64bit monitor.
12394 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12397 * config/i386/i386.c (classify_argument): Skip fields with invalid
12400 2006-05-07 Richard Guenther <rguenther@suse.de>
12402 PR tree-optimization/27409
12403 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12404 Do not try to find zero-sized subvars.
12406 2006-05-07 Richard Guenther <rguenther@suse.de>
12408 PR tree-optimization/27136
12409 * tree-ssa-loop-niter.c (get_val_for): Correct function
12410 comment, assert requirements.
12411 (loop_niter_by_eval): Stop processing if the iterated
12412 value did not simplify.
12414 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
12416 * opts.c (flag_see): remove its setting at -O3.
12418 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
12420 * genpeep.c (main): Make insn-peep.c depend on flags.h.
12421 * arm/constraints.md: New file.
12422 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
12423 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
12424 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
12425 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
12426 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
12427 (EXTRA_MEMORY_CONSTRAINT): Likewise.
12428 * arm.md: Include constraints.md.
12429 (thumb_movsi_insn): Use satisfies_constraint_J.
12430 (movhi, movqi): Use satisfies_constraint_I.
12432 2006-04-29 Anatoly Sokolov <aesok@post.ru>
12434 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
12435 for atmeg a645 device.
12437 2006-05-06 Richard Guenther <rguenther@suse.de>
12439 PR tree-optimization/27151
12440 * tree-vect-transform.c (vectorizable_condition): Punt on
12441 values that have a different type than the condition.
12443 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
12446 * c-parser.c (c_parser_cast_expression): Only insert casts into
12447 hash table if pointer.
12448 * function.c (used_types_insert_helper): Rename from
12450 (used_types_insert): Call used_types_insert_helper.
12451 * function.h (used_types_insert): Accept only one argument.
12453 2006-05-05 David Edelsohn <edesohn@gnu.org>
12455 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
12456 scratch with output modifier.
12458 2006-05-04 David Edelsohn <edelsohn@gnu.org>
12461 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
12462 with output modifier.
12464 2006-05-04 Richard Sandiford <richard@codesourcery.com>
12467 * config/mips/mips.c (mips_symbolic_address_p): Return true
12468 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
12469 SYMBOL_GOTTPREL, and SYMBOL_TLS.
12471 2006-05-04 Richard Guenther <rguenther@suse.de>
12473 PR tree-optimization/14287
12474 PR tree-optimization/14844
12475 PR tree-optimization/19792
12476 PR tree-optimization/21608
12477 PR tree-optimization/27090
12478 * tree-ssa-pre.c (try_combine_conversion): New function.
12479 (compute_avail): After constructing the value-handle
12480 expression, use try_combine_conversion to combine NOP_EXPRs
12481 with previous value-handle expressions and use the result if it
12484 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
12486 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
12488 2006-05-04 Jan Hubicka <jh@suse.cz>
12490 PR middle-end/25962
12491 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
12493 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
12495 * config/bfin/predicates.md (const01_rtx): Tell generator programs
12496 that this only matches CONST_INTs. All users changed to VOIDmode
12499 * config/bfin/bfin.c: Include "optabs.h".
12500 (bfin_rtx_costs): Some costs for vector operations, to allow combine
12502 (enum bfin_builtins): Add a number of fractional and vector builtins.
12503 (bfin_init_builtins): Likewise.
12504 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
12505 (safe_vector_operand, bfin_expand_binop_builtin,
12506 bfin_expand_unop_builtin): New functions.
12507 (bfin_expand_builtin): Handle the new builtins.
12508 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
12511 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
12514 * Makefile.in (OBJS-common): Add see.o.
12515 (see.o): Add dependencies.
12516 * common.opt (fsee): New flag for the see optimization was added.
12517 * opts.c (flag_see): Initialized.
12518 * passes.c (init_optimization_passes, pass_see): New pass.
12519 * rtl.h (see_main): Declaration as extern.
12520 * timevar.def (TV_SEE): New.
12521 * tree-pass.h (pass_see): Declaration as extern.
12522 * invoke.texi (-fsee): Document.
12523 * recog.c (validate_simplify_insn): New function.
12524 * recog.h (validate_simplify_insn): Declaration as extern.
12525 * df-problems.c (df_chain_dump): Check for NULL.
12527 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
12528 Daniel Berlin <dberlin@dberlin.org>
12530 * cfgrtl.c (insert_insn_bb_end_new): New function.
12531 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
12533 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
12535 * df.h (struct web_entry): Moved from web.c.
12536 (union_defs): Declaration as extern.
12537 (unionfind_root): Likewise.
12538 (unionfind_union): Likewise.
12539 * web.c (struct web_entry): Moved to df.h.
12540 (unionfind_root): Remove static declaration.
12541 (unionfind_union): Likewise.
12542 (union_defs): Likewise and generalize to use callback function.
12543 (web_main): Update arguments for union_defs function call.
12545 2006-05-04 Richard Guenther <rguenther@suse.de>
12547 PR tree-optimization/26447
12548 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
12549 produce SSA_NAME copies before the store stmt to avoid
12550 breaking exception handling.
12552 2006-05-04 Jakub Jelinek <jakub@redhat.com>
12554 PR middle-end/27388
12555 * gimplify.c (omp_is_private): If var is shared in some outer context,
12556 return false instead of true. Stop searching on parallel context
12559 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
12562 * coverage.c: Use get_gcov_unsigned_t() instead of
12563 unsigned_type_node all over.
12565 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
12567 PR tree-optimization/27381
12568 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
12569 maintain the same immediate_use links.
12570 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
12571 node rather than segfaulting.
12573 2006-05-03 Jakub Jelinek <jakub@redhat.com>
12576 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
12577 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
12578 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
12580 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
12582 Fix PR tree-optimization/26626
12583 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
12585 * tree-ssa-operands.c (access_can_touch_variable): Allow
12586 typecasting through union pointers.
12588 2006-05-02 Jakub Jelinek <jakub@redhat.com>
12591 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
12592 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
12593 to find if var will be a global variable even in the nested context.
12594 (omp_copy_decl): Only check for global variable at the end, it might
12595 be overridden in outer contexts.
12596 (scan_sharing_clauses): For global variables don't create a field.
12597 (lower_rec_input_clauses): Do nothing for global shared variables.
12598 Emit a barrier at the end of ILIST if there were any decls in both
12599 firstprivate and lastprivate clauses.
12600 (lower_send_clauses): Do nothing for global variables except for
12603 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
12605 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
12606 of the correct signedness is returned.
12608 2006-05-02 Jeff Law <law@redhat.com>
12610 PR tree-optimization/27364
12611 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
12612 multiply expressions.
12614 2006-05-02 Tom Tromey <tromey@redhat.com>
12616 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
12618 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
12621 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
12622 -mthumb -fPIC are used.
12624 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
12625 Joshua Kinard <kumba@gentoo.org>
12628 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
12629 with 64-bit pointers.
12631 2006-05-02 Paul Brook <paul@codesourcery.com>
12633 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
12635 (create_fix_barrier): Check that a suitable barrier location is
12637 (arm_reorg): Include ftmp->address in allowable range of addresses.
12639 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
12642 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
12645 2006-05-02 Jakub Jelinek <jakub@redhat.com>
12647 PR middle-end/27337
12648 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
12649 around RESULT_DECL for result passed by reference.
12650 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
12651 * omp-low.c (use_pointer_for_field): Don't look at
12652 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
12653 (scan_omp_1): Call remap_decl on RESULT_DECLs.
12654 (lower_rec_input_clauses): Don't allocate VLA memory for the second
12655 time or var for passing by reference for
12656 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
12657 TREE_ADDRESSABLE variables when passing by reference.
12659 * omp-low.c (dump_omp_region): Fix output formatting.
12661 PR middle-end/27328
12662 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
12663 (expand_omp_parallel): Likewise.
12664 * tree-cfg.c (move_sese_region_to_fn): Likewise.
12666 PR middle-end/27325
12667 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
12668 on statement list containing also constructors and destructors.
12669 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
12671 PR middle-end/27310
12672 * except.c (duplicate_eh_regions): Fix clearing of
12673 cfun->eh->region_array entries.
12675 2006-05-01 DJ Delorie <dj@redhat.com>
12677 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
12679 (gcc_cv_objdump): Likewise.
12680 * configure: Regenerated.
12682 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
12685 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
12686 templates for case 3 and 4.
12688 2006-05-01 DJ Delorie <dj@redhat.com>
12690 * vec.c: Include bconfig.h when appropriate.
12691 * Makefile.in (build/vec.o): Adjust dependencies.
12692 * mkconfig.sh: Make sure config.h isn't used for build machine
12695 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12697 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
12699 (mark_phi_for_rewrite): New function.
12700 (insert_phi_nodes_for, mark_use_interesting): Call
12701 mark_phi_for_rewrite.
12702 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
12703 (update_ssa): Initialize and free phis_to_rewrite.
12705 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12707 PR rtl-optimization/27291
12708 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
12709 folded to a constant.
12711 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12713 PR tree-optimization/27283
12714 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
12715 not whole # of iteration descriptions.
12716 (niter_for_exit): Return just # of iterations. Fail if # of iterations
12717 uses abnormal ssa name.
12718 (niter_for_single_dom_exit): Ditto.
12719 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
12720 return just the number of iterations.
12722 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12724 PR tree-optimization/27144
12725 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
12726 (record_estimate): Only record constant upper bound.
12727 (infer_loop_bounds_from_undefined): Call
12728 compute_estimated_nb_iterations just once.
12729 (proved_non_wrapping_p): Renamed to ...
12730 (n_of_executions_at_most): ... this. Expect bound to be a constant.
12731 (convert_step_widening, scev_probably_wraps_p): Call
12732 n_of_executions_at_most instead of proved_non_wrapping_p.
12733 (substitute_in_loop_info): Do not replace values in bounds.
12734 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
12737 2006-05-01 Richard Henderson <rth@redhat.com>
12740 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
12741 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
12744 2006-05-01 Roger Sayle <roger@eyesopen.com>
12746 * c-typeck.c (parser_build_binary_op): Don't call the function
12747 unsigned_conversion_warning to spot operand/result type overflow.
12748 (build_binary_op): Instead, call convert_and_check instead of
12749 convert to report the problem when the operands are promoted.
12750 * c-common.c (unsigned_conversion_warning): Make static.
12751 * c-common.h (unsigned_conversion_warning): Delete prototype.
12753 2006-05-01 Richard Guenther <rguenther@suse.de>
12755 PR tree-optimization/26726
12756 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
12758 (find_interesting_uses_address): ... we work around here
12759 by folding INDIRECT_REFs in the substituted base.
12761 2006-05-01 Diego Novillo <dnovillo@redhat.com>
12763 * omp-low.c (dump_omp_region): Add newlines.
12765 2006-04-30 Roger Sayle <roger@eyesopen.com>
12767 * common.opt (Woverflow): New command line option.
12768 * c-common.c (constant_expression_warning): Check warn_overflow.
12769 (overflow_waring): Pass OPT_Woverflow to warning.
12770 (unsigned_conversion_warning): Likewise.
12771 (convert_and_check): Likewise.
12772 * doc/invoke.texi: Document new command line option.
12774 2006-04-30 David Edelsohn <edelsohn@gnu.org>
12776 * config/rs6000/rs6000.c (rs6000_override_options): Enable
12777 TARGET_NO_FP_IN_TOC for section anchors.
12778 (optimization_options): Enable section anchors for all
12779 non-"Objective" languages.
12781 2006-04-28 Eric Christopher <echristo@apple.com>
12783 * config/darwin-c.c (darwin_ms_struct): Move this
12784 (darwin_set_default_type_attributes): and this...
12785 * config/darwin.c: ... here.
12786 * config/darwin.h (darwin_ms_struct): Declare.
12788 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
12790 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
12792 2006-04-28 Roger Sayle <roger@eyesopen.com>
12795 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
12796 (push_array_bounds): Delete prototype. Change BOUNDS argument to
12797 an unsigned HOST_WIDE_INT.
12798 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
12800 (really_start_incremental_init): No need to call convert because
12801 bitsize_zero_node is already of type bitsizetype.
12802 (push_init_level): Extract the value of constructor_index as an
12803 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
12804 (process_init_element): Likewise.
12806 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
12808 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
12809 value before passing to make_relative_prefix.
12811 2006-04-28 Alan Modra <amodra@bigpond.net.au>
12813 PR middle-end/27260
12814 * builtins.c (expand_builtin_memset): Expand val in original mode.
12816 2006-04-27 Eric Christopher <echristo@apple.com>
12818 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
12819 with #ifndef/#endif.
12820 * config/darwin-c.c (darwin_ms_struct): New.
12821 (darwin_pragma_ms_struct): Ditto.
12822 (darwin_set_default_type_attributes): Ditto.
12823 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
12824 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
12825 Register ms_struct pragma.
12826 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
12827 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
12828 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
12829 darwin_set_default_type_attributes if TARGET_MACHO.
12831 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
12833 PR tree-optimization/26854
12834 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
12835 * doc/tree-ssa.texi: Update immuse iterator documentation.
12836 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
12837 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
12838 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
12839 first_safe_imm_use, next_safe_imm_use): Remove.
12840 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
12841 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
12842 (move_use_after_head): New. Helper function to sort immuses in a stmt.
12843 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
12844 (first_imm_use_stmt): New. Get first stmt in an immuse list.
12845 (next_imm_use_stmt): New. Get next stmt in an immuse list.
12846 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
12847 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
12848 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
12849 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
12850 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
12851 (perfect_nestify): Use new iterator.
12852 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
12854 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
12855 (next_imm_name): New field in struct immediate_use_iterator_d.
12856 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
12857 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
12858 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
12859 * tree-cfg.c (replace_uses_by): Use new iterator.
12860 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
12861 * tree-ssa-operands.c (correct_use_link): Remove.
12862 (finalize_ssa_use_ops): No longer call correct_use_link.
12864 2006-04-27 Stuart Hastings <stuart@apple.com>
12866 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
12867 * config/t-darwin (crt3.o): Use it.
12868 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
12869 'pmode', use Pmode instead of SImode for SYMBOL_REF.
12870 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
12871 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
12872 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
12875 2006-04-27 Roger Sayle <roger@eyesopen.com>
12877 * expmed.c (store_fixed_bit_field): If we're not optimizing for
12878 size, force the intermediate into a new pseudo rather instead of
12879 performing both a bitwise AND and a bitwise IOR in memory.
12881 2006-04-27 Richard Guenther <rguenther@suse.de>
12883 PR rtl-optimization/26685
12884 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
12885 this one "max-flow-memory-locations".
12887 2006-04-27 Richard Guenther <rguenther@suse.de>
12889 PR tree-optimization/25148
12890 * tree-vrp.c (compare_values): Remove code dealing with
12891 comparisons against type min/max value. Honour overflow
12892 and negative constants in code dealing with comparisons
12893 of plus and minus expressions.
12894 (value_inside_range): Use fold_binary with LE_EXPR and
12895 GE_EXPR rather than compare_values.
12897 2006-04-27 Dirk Mueller <dmueller@suse.de>
12899 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
12902 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
12904 * basic-block.h (safe_insert_insn_on_edge): Removed.
12905 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
12907 2006-04-26 David Edelsohn <edelsohn@gnu.org>
12908 Paolo Bonzini <bonzini@gnu.org>
12910 PR middle-end/27282
12911 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
12912 (simplify_and_const_int): Same.
12914 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
12916 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
12918 2006-04-26 Jakub Jelinek <jakub@redhat.com>
12921 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
12922 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
12923 cgraph_global_info_ready.
12925 PR middle-end/26913
12926 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
12929 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
12930 either decl or init is error_mark_node.
12932 PR middle-end/25989
12933 * tree-flow.h (struct omp_region): Add sched_kind.
12934 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
12935 instead of extracting omp for data.
12936 (expand_omp_for): Save extracted sched_kind.
12938 2006-04-25 Roger Sayle <roger@eyesopen.com>
12940 * expmed.c (store_bit_field): Also check whether the bitsize is
12941 valid for the machine's "insv" instruction before moving the
12942 target into a pseudo for use with the insv.
12943 * config/i386/predicates.md (const8_operand): New predicate.
12944 * config/i386/i386.md (extv, extzv, insv): Use the new
12945 const8_operand predicate where appropriate.
12947 2006-04-25 DJ Delorie <dj@redhat.com>
12949 * doc/install.texi (Specific): Clarify that this is not a list of
12950 supported hosts or targets.
12952 2006-04-25 Richard Sandiford <richard@codesourcery.com>
12954 PR rtl-optimization/26725
12955 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
12956 block's BB_DIRTY flag.
12958 2006-04-25 Geoffrey Keating <geoffk@apple.com>
12960 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
12963 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
12964 to print an integer.
12966 2006-04-25 David Edelsohn <edelsohn@gnu.org>
12968 * varasm.c (align_variable): New function.
12969 (get_block_for_decl): Apply align_variable to DECL before
12970 calculating section information.
12971 (assemble_variable): Split out alignment computation.
12973 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
12975 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
12978 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
12980 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
12981 MODE_PARTIAL_INT mode.
12982 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
12983 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
12985 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
12986 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
12988 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
12990 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
12992 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
12993 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
12994 MACFLAG_IH): Likewise.
12995 (movstricthi_1): Renamed from "*movstricthi".
12996 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
12997 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
12998 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
12999 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
13000 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
13001 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
13002 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
13003 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
13004 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
13005 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
13006 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
13007 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
13008 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
13009 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
13010 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
13012 * doc/rtl.texi (ss_ashift): Improve wording.
13014 2006-04-24 Geoffrey Keating <geoffk@apple.com>
13016 * dwarf2out.c (verify_marks_clear): New.
13017 (prune_unused_types): Call verify_marks_clear initially, not
13020 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
13022 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
13023 * doc/rtl.texi: Document them.
13024 * simplify-rtx.c (simplify_unary_operation,
13025 simplify_binary_operation_1): Don't abort when we see them.
13027 2006-04-24 Mark Mitchell <mark@codesourcery.com>
13030 2006-04-23 Mark Mitchell <mark@codesourcery.com>
13031 * configure.ac: Completely disregard languages that are not
13033 * configure: Regenerated.
13035 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
13036 Richard Guenther <rguenther@suse.de>
13038 PR tree-optimization/27236
13039 * tree-inline.c (copy_body_r): Make sure to copy
13040 TREE_THIS_VOLATILE flag.
13042 2006-04-24 Richard Guenther <rguenther@suse.de>
13044 PR middle-end/26869
13045 * tree-complex.c (update_parameter_components): Don't handle
13046 unused parameters which have no default def.
13048 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
13049 Richard Guenther <rguenther@suse.de>
13051 PR tree-optimization/27218
13052 * tree-inline.c (expand_call_inline): Strip useless type
13053 conversions for the return slot address.
13055 2006-04-24 Richard Guenther <rguenther@suse.de>
13057 * cfgloop.h (struct loops): Remove unused field array. Reorder
13059 (LOOP_PREFETCH): Remove.
13061 2006-04-24 Richard Guenther <rguenther@suse.de>
13063 PR tree-optimization/22525
13064 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
13065 variable, adjust types of generated expressions.
13067 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
13069 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
13070 (tree-vect-patterns.o): Likewise.
13071 (jump.o): Likewise.
13072 (cselib.o): Likewise.
13073 (loop-doloop.o): Likewise.
13074 (regclass.o): Likewise.
13075 (reload1.o): Likewise.
13076 (explow.o): Replace target.h with $(TARGET_H).
13077 (ipa-prop.o): Likewise.
13078 (ipa-cp.o): Likewise.
13079 (ipa-inline.o): Likewise.
13080 (reorg.o): Likewise.
13081 (reg-stack.o): Likewise.
13083 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
13085 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
13087 2006-04-23 Mark Mitchell <mark@codesourcery.com>
13089 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
13091 * configure.ac: Completely disregard languages that are not
13093 * configure: Regenerated.
13096 * c-common.h (c_build_bitfield_integer_type): Declare.
13097 * c-decl.c (c_build_bitfield_integer_type): Move to ...
13098 * c-common.c (c_build_bitfield_integer_type): ... here.
13100 2006-04-23 Roger Sayle <roger@eyesopen.com>
13103 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
13104 a SImode SUBREG of a floating point register after no_new_pseudos.
13106 2006-04-23 Roger Sayle <roger@eyesopen.com>
13108 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
13109 identify potentially eliminable registers to additionally catch
13110 VIRTUAL_INCOMING_ARGS_REGNUM.
13111 (addsi3): Update the conditions on when to use addsi_small_int.
13113 2006-04-23 Roger Sayle <roger@eyesopen.com>
13116 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
13117 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
13118 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
13120 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
13122 * fold-const.c (range_predecessor): Use operand_equal_p
13123 as the predicate for equality.
13124 (range_successor): Likewise.
13126 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
13129 * config/soft-fp/op-common.h: Fix a typo.
13131 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
13133 PR libmudflap/26864
13134 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
13135 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
13137 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
13139 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
13141 * doc/tm.texi: Fix a typo.
13143 2006-04-21 Geoffrey Keating <geoffk@apple.com>
13145 * dwarf2out.c (struct die_struct): Document that die_sib makes
13146 a circular linked list.
13147 (FOR_EACH_CHILD): New.
13148 (reverse_die_lists): Delete.
13149 (reverse_all_dies): Delete.
13150 (add_dwarf_attr): Correct documentation.
13151 (remove_child_with_prev): New.
13152 (remove_child_TAG): Update for change to die_struct, use
13153 remove_child_with_prev.
13154 (add_child_die): Update for change to die_struct.
13155 (splice_child_die): Use remove_child_with_prev and add_child_die.
13156 (print_die): Use FOR_EACH_CHILD.
13157 (die_checksum): Likewise.
13158 (assign_symbol_names): Likewise.
13159 (output_location_lists): Likewise.
13160 (build_abbrev_table): Likewise.
13161 (calc_die_sizes): Likewise.
13162 (mark_dies): Likewise.
13163 (unmark_dies): Likewise.
13164 (unmark_all_dies): Likewise.
13165 (output_die): Likewise.
13166 (prune_unused_types_mark): Likewise.
13167 (prune_unused_types_walk): Likewise.
13168 (same_die_p): Update for change to die_struct.
13169 (break_out_includes): Likewise.
13170 (prune_unused_types_prune): Likewise.
13171 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
13172 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
13173 it's already clear.
13174 (dwarf2out_finish): Don't call reverse_all_dies.
13176 2006-04-21 Eric Christopher <echristo@apple.com>
13178 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
13179 in comments and function names.
13181 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13184 * c-typeck.c (digest_init): Robustify.
13186 * c-typeck.c (pop_init_level): Simplify.
13188 2006-04-21 Steve Ellcey <sje@cup.hp.com>
13190 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
13192 2006-04-21 Paul Brook <paul@codesourcery.com>
13194 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
13195 hardware floating point.
13197 2006-04-21 David Edelsohn <edelsohn@gnu.org>
13199 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
13202 2006-04-21 Nick Clifton <nickc@redhat.com>
13204 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
13207 2006-04-21 Alan Modra <amodra@bigpond.net.au>
13210 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
13211 C++ lang type in traceback table for Objective-C++.
13213 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
13215 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
13217 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
13219 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13222 * tree-mudflap.c (mudflap_finish_file): Skip function when there
13223 were errors. Remove check for erroneous objects.
13225 2006-04-20 Jeff Law <law@redhat.com>
13227 PR tree-optimization/26854
13228 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
13229 checking for zero or one use.
13230 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
13231 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
13232 * tree-ssa-reassoc.c (negate_value): Similarly.
13233 (reassociate_bb): Similarly.
13235 2006-04-20 Jakub Jelinek <jakub@redhat.com>
13238 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
13239 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
13240 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
13242 2006-04-20 Alan Modra <amodra@bigpond.net.au>
13244 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
13245 fp regs if the last fp arg doesn't fit in regs.
13247 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
13250 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
13251 that the last insn has the REG_INC note.
13253 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
13254 Nathan Sidwell <nathan@codesourcery.com>
13257 * stor-layout.c (update_alignment_for_field): Do not align
13259 (place_union_field): Place union field at the start of the union.
13260 (place_field): Move ERROR_MARK check later, and use the current
13261 allocation position to maintain monotonicity.
13263 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
13265 * dominance.c: Include timevar.h.
13266 (calculate_dominance_info): Use TV_DOMINANCE.
13267 * timevar.def (TV_DOMINANCE): New timevar.
13268 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
13270 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
13272 PR rtl-optimization/14261
13273 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
13274 move would be an INSV insn.
13275 (noce_process_if_block): Don't optimize if the destination is a
13276 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
13278 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
13280 * config/s390/s390.md: Add comments with the instructions emitted
13281 by an insn pattern if macros are used.
13283 2006-04-19 Alan Modra <amodra@bigpond.net.au>
13285 PR rtl-optimization/26026
13286 * fold-const.c (fold_binary): Optimize div and mod where the divisor
13287 is a known power of two shifted left a variable amount.
13289 2006-04-18 Geoffrey Keating <geoffk@apple.com>
13291 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
13292 to hash table twice when the debug_str section has SECTION_MERGE.
13294 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
13296 * config/soft-fp: New directory. From glibc.
13297 * config/soft-fp/t-softfp: New.
13298 * config/soft-fp/README: New.
13299 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
13300 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
13301 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
13302 (LIBGCC_DEPS): Add $(SFP_MACHINE).
13303 * config.gcc: Use rs6000/t-fprules-fpbit or
13304 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
13306 * config/rs6000/sfp-machine.h: New. Based on glibc.
13307 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
13309 * config/rs6000/t-fprules: Remove fp-bit rules.
13310 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
13311 * config/rs6000/t-linux64: Likewise. Remove duplicates from
13312 LIB2FUNCS_EXTRA. Remove fp-bit rules.
13313 (softfp_wrap_start, softfp_wrap_end): New.
13315 2006-04-18 DJ Delorie <dj@redhat.com>
13317 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
13319 2006-04-18 Devang Patel <dpatel@apple.com>
13321 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
13323 2006-04-18 Nick Clifton <nickc@redhat.com>
13325 * config/sh/t-symbian: Add rule to build sh-c.o
13326 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
13327 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
13328 (sh_symbian_encode_section_info): Likewise.
13330 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
13332 * builtins.c (expand_builtin_strcmp): Cover label definition of
13333 do_libcall with HAVE_cmpstrnsi.
13335 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
13337 * function.c (temp_slots_at_level, max_slot_level): Use VEC
13339 * function.h (temp_slot_p): New.
13340 (function): Change the type of x_used_temp_slots to
13341 VEC(temp_slot_p,gc) *.
13343 2006-04-18 Nick Clifton <nickc@redhat.com>
13345 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
13346 flag_strength_reduce.
13348 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
13350 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
13354 Partial revert of revision 112637
13355 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
13356 Dale Johannesen <dalej@apple.com>
13359 * regclass.c (struct reg_pref): Update documentation.
13360 (regclass): Set prefclass to NO_REGS if memory is the best option.
13361 (record_reg_classes): Cope with a prefclass set to NO_REGS.
13363 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
13365 PR tree-optimization/26821
13366 * tree-ssa-math-opts.c (get_constant_one): New.
13367 (insert_reciprocals): Use it.
13369 2006-04-17 Geoffrey Keating <geoffk@apple.com>
13371 * dwarf2out.c (free_AT): Delete.
13372 (remove_AT): Update string ref counts.
13373 (remove_child_TAG): Don't call free_die.
13374 (free_die): Delete.
13375 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
13376 or DW_TAG_GNU_EINCL.
13377 (prune_unused_types_walk_attribs): Reset string refcounts.
13378 (prune_unused_types_update_strings): New.
13379 (prune_unused_types_prune): Don't make unnecessary stores. Don't
13380 call free_die. Do call prune_unused_types_update_strings.
13381 (prune_unused_types): Empty debug_str_hash.
13383 2006-04-17 Roger Sayle <roger@eyesopen.com>
13385 * expr.c (expand_assignment): Optimize away no-op moves where the
13386 source and destination are equal and have no side-effects.
13388 2006-04-17 Richard Guenther <rguenther@suse.de>
13391 * reload.c (push_reload): Guard calls to get_secondary_mem
13392 for memory subregs.
13394 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
13396 * alias.c (reg_base_value, old_reg_base_value): Change the
13397 type to VEC(rtx,gc) *.
13398 (REG_BASE_VALUE, find_base_value, record_set,
13399 init_alias_analysis): Use VEC instead of VARRAY.
13401 * alias.c (alias_sets): Change the type to
13402 VEC(alias_set_entry,gc) *.
13403 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
13404 VEC instead of VARRAY.
13405 (last_alias_set): Remove.
13407 * cgraph.h (cgraph_edge_p): New.
13408 Update the prototype of cgraph_function_versioning.
13409 * cgraphunit.c (cgraph_copy_node_for_versioning,
13410 cgraph_function_versioning): Use VEC instead of VARRAY.
13411 * ipa-cp.c (ipcp_insert_stage): Likewise.
13413 2006-04-16 Roger Sayle <roger@eyesopen.com>
13416 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
13417 "A op B" or "A op C", we may need to convert A to the type of B and C.
13419 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
13421 * target.h (struct gcc_target): Add mode_rep_extended.
13422 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
13423 (init_num_sign_bit_copies_in_rep): Initialize it using
13425 (truncate_to_mode): Use it.
13426 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
13427 * targhooks.h (default_mode_rep_extended): Declare it.
13428 * targhooks.c (default_mode_rep_extended): Define it.
13429 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
13430 default_mode_rep_extended.
13431 (TARGET_INITIALIZER): Include it.
13432 * doc/tm.texi (Misc): Document it.
13433 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
13434 (mips_truncated_to_mode): New function.
13436 2006-04-16 Roger Sayle <roger@eyesopen.com>
13438 PR middle-end/25474
13439 * expr.c (compress_float_constant): Copy the narrow constant into
13440 a new pseudo before extending it to its final width.
13442 2006-04-16 Roger Sayle <roger@eyesopen.com>
13443 Andrew Pinski <pinskia@gcc.gnu.org>
13444 Dale Johannesen <dalej@apple.com>
13447 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
13448 special case code to implement V8HImode and V16QImode with SSE2.
13450 2006-04-15 Roger Sayle <roger@eyesopen.com>
13452 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
13453 trees are constructed with a suitable tree type.
13455 2006-04-15 Roger Sayle <roger@eyesopen.com>
13457 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
13458 (integer_onep): Likewise.
13459 (integer_all_onesp): Likewise.
13460 (integer_pow2p): Likewise.
13461 (integer_nonzerop): Likewise.
13462 (real_zerop): Likewise.
13463 (real_onep): Likewise.
13464 (real_twop): Likewise.
13465 (real_minus_onep): Likewise.
13466 (int_size_in_bytes): Likewise.
13467 (host_integerp): Likewise.
13469 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
13471 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
13472 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
13473 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
13475 * tree-ssa-structalias.h (alias_info): Remove num_references.
13477 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13479 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
13480 (output_bvb patterns): Likewise.
13481 * pa.c (output_bb): Use 'bb' insn for long branch case.
13482 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
13483 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
13484 1. Correct length operand for alternatives 1 and 2.
13485 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
13486 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
13488 2006-04-14 Roger Sayle <roger@eyesopen.com>
13490 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
13491 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
13492 were accidentally reverted by r112959.
13494 2006-04-15 Jakub Jelinek <jakub@redhat.com>
13496 PR middle-end/26823
13497 * except.h (eh_region_outermost): New prototype.
13498 * except.c (eh_region_outermost): New function.
13499 * tree-cfg.c (find_outermost_region_in_block): Use it.
13501 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
13503 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
13505 * reload1.c (reg_equiv_memory_loc_varray): Rename to
13506 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
13507 (init_reload, reload): Use VEC instead of VARRAY.
13508 * reload.h: Update the prototype for
13509 reg_equiv_memory_loc_varray.
13511 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
13512 Eric Botcazou <ebotcazou@libertysurf.fr>
13514 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
13515 register save area.
13517 2005-04-13 Uros Bizjak <uros@kss-loka.si>
13519 PR middle-end/27134
13520 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
13521 to expand fallback builtin function call.
13523 2006-04-14 Alan Modra <amodra@bigpond.net.au>
13525 PR middle-end/27095
13526 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
13527 and emit libcall here in case the builtin fails.
13528 (expand_builtin_strcmp): Always emit the libcall here on failure.
13530 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
13532 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
13533 * flow.c (reg_n_info): Change the type to
13534 VEC(reg_info_p,heap) *.
13535 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
13537 * regs.h (reg_info_p): New.
13538 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
13539 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
13540 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
13543 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
13545 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
13547 * params.h (MAX_SCHED_READY_INSNS): New macro.
13548 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
13549 past MAX_SCHED_READY_INSNS during the first scheduling pass.
13550 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
13551 the ready list for 1 cycle during the first scheduling pass.
13552 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
13554 2006-04-13 Richard Henderson <rth@redhat.com>
13557 * gimple-low.c (lower_omp_directive): Remove dead code.
13558 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
13559 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
13560 * omp-low.c (struct omp_region): Move to tree-flow.h.
13561 (root_omp_region): Export.
13562 (omp_regions, lookup_omp_region): Remove.
13563 (determine_parallel_type): Update for struct omp_region changes.
13564 (dump_omp_region): Dump regions with block numbers.
13565 (new_omp_region): Take type and block instead of stmt; malloc
13567 (free_omp_region_1, free_omp_regions): New.
13568 (expand_parallel_call): Take entry_stmt as argument; update for
13569 changes to omp_region.
13570 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
13571 (remove_exit_barriers): New.
13572 (expand_omp_parallel): Update for struct omp_region changes.
13573 (expand_omp_synch): Likewise.
13574 (expand_omp): Likewise.
13575 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
13576 (expand_omp_for_static_chunk): Likewise.
13577 (expand_omp_for): Likewise.
13578 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
13579 (expand_omp_sections): Similarly, with GOMP_sections_end.
13580 (expand_omp_single): New.
13581 (build_omp_regions_1): Update for OMP_CONTINUE.
13582 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
13583 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
13584 OMP_SECTIONS_SECTIONS.
13585 (lower_omp_single_simple): Don't emit barrier here.
13586 (lower_omp_single_copy): Likewise.
13587 (lower_omp_single): Fix bindings, and lower to straightline now.
13588 (lower_omp_master, lower_omp_ordered): Likewise.
13589 (lower_omp_critical): Likewise.
13590 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
13591 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
13592 omp edges, free it afterward.
13593 (make_omp_sections_edges): Remove.
13594 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
13595 (move_stmt_r): Handle OMP_CONTINUE.
13596 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
13597 statement pointers to basic blocks. Add type member.
13598 (root_omp_region, new_omp_region, free_omp_regions): Declare.
13599 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
13600 * tree-inline.c (estimate_num_insns_1): Likewise.
13601 * tree-pretty-print.c (dump_generic_node): Likewise.
13602 * tree-ssa-operands.c (get_expr_operands): Likewise.
13603 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
13604 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
13605 (OMP_CONTINUE): New.
13606 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
13607 (OMP_SECTIONS_SECTIONS): Remove.
13608 (OMP_SECTION_LAST): New.
13609 (OMP_RETURN_NOWAIT): New.
13611 2006-04-13 Roger Sayle <roger@eyesopen.com>
13613 * fold-const.c (native_encode_vector, native_interpret_real):
13614 Correct obvious mistakes in the previous check-in.
13616 2006-04-13 Roger Sayle <roger@eyesopen.com>
13618 * fold-const.c (native_encode_expr): New function to encode
13619 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
13620 or VECTOR_CST into a specified buffer.
13621 (native_encode_int): New function.
13622 (native_encode_real): New function.
13623 (native_encode_complex): New function.
13624 (native_encode_vector): New function.
13625 (native_interpret_expr): Inverse of native_encode_expr to convert
13626 a target representation into an INTEGER_CST, REAL_CST etc...
13627 (native_interpret_int): New function.
13628 (native_interpret_real): New function.
13629 (native_interpret_complex): New function.
13630 (native_interpret_vector): New function.
13631 (fold_view_convert_expr): New function to constant fold/evaluate
13632 a VIEW_CONVERT_EXPR of a suitable constant expression.
13633 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
13634 Change call of build1 to fold_build1 when constructing a
13637 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
13638 Ulrich Weigand <uweigand@de.ibm.com>
13641 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
13644 2006-04-13 Alan Modra <amodra@bigpond.net.au>
13647 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
13648 optimize to lo_sum for DFmode if !TARGET_FPRS.
13650 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
13652 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
13653 delete_alias_info, compute_flow_sensitive_aliasing,
13654 group_aliases): Use VEC instead of VARRAY.
13655 * tree-ssa-structalias.c (update_alias_info): Likewise.
13656 * tree-ssa-structalias.h (alias_info): Change the type of
13657 processed_ptrs to VEC(tree,heap) *.
13659 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
13662 * config/sh/lib1funcs.h: New file, broken out of:
13663 * config/sh/lib1funcs.asm.
13664 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
13666 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
13667 * config/sh/lib1funcs-Os-4-200.asm: New file.
13668 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
13669 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
13670 (EXTRA_MULTILIB_PARTS): Include it.
13671 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
13672 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
13673 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
13674 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
13677 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
13679 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
13680 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
13681 tpa_compact, root_var_init, type_var_init): Use VEC instead of
13683 * tree-ssa-live.h: Include vecprim.h.
13684 (tree_partition_associator_d): Change the type of
13685 first_partition to VEC(int,heap) *.
13686 (tpa_first_partition): Use VEC instead of VARRAY.
13688 * Makefile.in (GTFILES): Move functions.h after tree.h.
13689 * function.c (reset_block_changes, record_block_change,
13690 check_block_change, free_block_changes): Use VEC instead of
13692 * function.h (function): Change the type of
13693 ib_boundaries_block to VEC(tree,gc) *.
13694 * tree-inline.c (copy_cfg_body): Initialize
13695 ib_boundaries_block to NULL instead of (varray_type) 0.
13697 2006-04-12 Roger Sayle <roger@eyesopen.com>
13699 * expr.c (emit_group_store): Correct operand order in call to
13700 subreg_lowpart_offset. Always create paradoxical SUBREGs with
13701 a SUBREG_BYTE of zero.
13703 2006-04-12 Richard Guenther <rguenther@suse.de>
13705 * profile.c (compute_branch_probabilities): Remove code
13706 encapsulated in !ir_type (), which are remanents of the
13707 removed RTL profiling code.
13708 * rtl-profile.c: Remove.
13710 2006-04-12 Alan Modra <amodra@bigpond.net.au>
13712 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
13713 magic NULL_RTX comment.
13714 (function_arg): Store entire fp arg to mem if any part should go
13716 (rs6000_arg_partial_bytes): Adjust for above change.
13718 2006-04-11 Roger Sayle <roger@eyesopen.com>
13720 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
13721 if it hasn't been initialized by dwarf2out_init.
13723 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
13725 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
13726 symbolic constants in branch patterns.
13728 2006-04-11 Roger Sayle <roger@eyesopen.com>
13730 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
13732 2006-04-11 Richard Sandiford <richard@codesourcery.com>
13734 PR rtl-optimization/27073
13735 * gcse.c (try_replace_reg): Revert last change. Continue to search
13736 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
13739 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
13741 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
13742 aggregate types other than record and union types.
13743 (function_arg): Likewise.
13744 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
13746 (function_value): In 64-bit mode, return objects that require it
13749 2006-04-11 Roger Sayle <roger@eyesopen.com>
13751 * dwarf2out.c (premark_used_types): Remove problematic prototype.
13753 2006-04-11 Jakub Jelinek <jakub@redhat.com>
13755 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
13757 2006-04-03 Jeff Law <law@redhat.com>
13760 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
13761 alias information too.
13763 2006-04-10 Mike Frysinger <vapier@gentoo.org>
13765 * Makefile.in (gcc-cross): Add $(exeext) to target name.
13767 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
13770 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
13771 (premark_used_types_helper): New.
13772 (premark_used_types): New.
13773 (gen_subprogram_die): Call premark_used_types.
13774 (prune_unused_types_walk): Do not prune perennial dies.
13775 * function.c (used_types_insert): New.
13776 * function.h (struct function): Add used_types_hash field.
13777 (used_types_insert): Add prototype.
13778 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
13779 * c-parser.c (c_parser_cast_expression): Save casted types in used
13782 2006-04-11 Mark Mitchell <mark@codesourcery.com>
13785 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
13786 rs6000_explicit_options.float_gprs.
13788 2006-04-10 Roger Sayle <roger@eyesopen.com>
13790 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
13791 from ix86_expand_vector_init_low_nonzero. Take an additional
13792 one_var argument indicating which element is non-zero. Support
13793 one_var != 0 for V4SFmode and V4SImode by permuting the result.
13794 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
13795 with one_var instead of ix86_expand_vector_init_low_nonzero.
13797 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
13799 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
13800 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
13801 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
13802 build/genextract.o): Depend on vecprim.h.
13803 * cfglayout.c, df-problems.c, function.c, genextract.c,
13804 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
13805 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
13809 2006-04-10 Geoffrey Keating <geoffk@apple.com>
13811 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
13812 Declare VECs of this type.
13813 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
13814 (remove_children): Delete.
13815 (add_dwarf_attr): Use VEC routines.
13816 (add_AT_flag): Update for changes to add_dwarf_attr.
13817 (add_AT_int): Likewise.
13818 (add_AT_unsigned): Likewise.
13819 (add_AT_long_long): Likewise.
13820 (add_AT_vec): Likewise.
13821 (add_AT_string): Likewise.
13822 (add_AT_die_ref): Likewise.
13823 (add_AT_fde_ref): Likewise.
13824 (add_AT_loc): Likewise.
13825 (add_AT_loc_list): Likewise.
13826 (add_AT_addr): Likewise.
13827 (add_AT_lbl_id): Likewise.
13828 (add_AT_lineptr): Likewise.
13829 (add_AT_macptr): Likewise.
13830 (add_AT_offset): Likewise.
13831 (add_AT_range_list): Likewise.
13832 (get_AT): Use VEC_iterate.
13833 (remove_AT): Use VEC_ordered_remove.
13834 (free_die): Fold remove_children into here; have it use VEC_iterate.
13835 (print_die): Use VEC_iterate on attrs.
13836 (reverse_die_lists): Don't reverse attr lists.
13837 (die_checksum): Use VEC_iterate on attrs.
13838 (same_die_p): Likewise.
13839 (output_location_lists): Likewise.
13840 (build_abbrev_table): Likewise.
13841 (size_of_die): Likewise.
13842 (unmark_all_dies): Likewise.
13843 (output_abbrev_section): Likewise.
13844 (output_die): Likewise.
13845 (prune_unused_types_walk_attribs): Likewise.
13847 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13849 * doc/install.texi (*-*-solaris2*): Point to the configure page.
13851 2006-04-10 Jakub Jelinek <jakub@redhat.com>
13854 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
13856 2006-04-09 Roger Sayle <roger@eyesopen.com>
13858 * expr.c (store_constructor): Don't bother clearing target if
13859 we're about to assign a vector to it using vec_init_optab.
13861 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
13863 * tree-ssa-alias.c (lhs_may_store_to): New function.
13864 (recalculate_used_alone): Handle LHS of calls.
13866 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13870 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
13871 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
13872 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
13873 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
13874 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
13875 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
13876 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
13877 stubs. Add ".align 8" directives before all ".dword" directives.
13878 (GTHREAD_USE_WEAK): Revise comment.
13879 (TARGET_ATTRIBUTE_WEAK): Define.
13880 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
13881 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
13882 * stublib.c: New file.
13887 * pa.md (cbranch patterns): Revise arguments used in calls to
13888 output_cbranch, output_bb and output_bvd. Add long branch length
13890 (fbranch patterns): Handle long branches.
13891 (jump): Revise length check. Revise arguments for output_lbranch call.
13892 Add long branch length attributes.
13893 (decrement_and_branch_until_zero): Add long branch length attributes.
13894 (output_movb, output_parallel_addb and output_parallel_movb patterns):
13895 Likewise. Revise arguments for output_parallel_addb and
13896 output_parallel_movb calls.
13897 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
13898 output_parallel_movb and output_parallel_addb): Update prototypes.
13899 * pa.c (output_cbranch): Revise arguments. Correct handling of
13900 nullification in long branches.
13901 (output_lbranch): Add new argument to control extraction of delay
13903 (output_bb): Handle long branches.
13904 (output_bvb, output_dbra, output_movb, output_parallel_movb,
13905 output_parallel_addb): Likewise.
13907 2006-04-09 Richard Sandiford <richard@codesourcery.com>
13909 PR rtl-optimization/27073
13910 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
13913 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
13915 * tree.h (tree_memory_tag): Add old_used_alone.
13916 (SMT_OLD_USED_ALONE): New macro.
13917 * tree-ssa-alias.c (recalculate_used_alone): Stop
13918 marking things for renaming unnecessarily.
13920 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
13922 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
13923 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
13924 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
13925 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
13926 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
13927 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
13928 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
13929 spelling convensions.
13930 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
13931 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
13932 typos. Follow spelling conventions.
13934 2006-04-07 DJ Delorie <dj@redhat.com>
13936 * config/m32c/m32c.c (m32c_function_arg): Structures are always
13937 passed on the stack.
13938 (m32c_init_cumulative_args): When a function returns a structure,
13939 always pass the pointer to that return area on the stack.
13940 (m32c_function_arg_advance): Don't increment the parameter number
13941 if we're processing the returned structure pointer.
13942 (pushm_info): Reverse order of registers.
13944 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
13946 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
13947 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
13948 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
13949 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
13950 build_int_cst_type.
13951 * tree-chrec.c (chrec_fold_multiply_poly_poly,
13952 chrec_fold_multiply): Same.
13953 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
13954 force_expr_to_var_cost): Same.
13955 * tree-mudflap.c (mf_xform_derefs_1): Same.
13956 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
13958 2006-04-07 David Edelsohn <edelsohn@gnu.org>
13960 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
13961 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
13964 2006-04-07 Jan Hubicka <jh@suse.cz>
13966 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
13968 2006-04-07 Richard Guenther <rguenther@suse.de>
13970 PR tree-optimization/26135
13971 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
13972 loads for store copy-prop.
13973 (copy_prop_visit_stmt): Likewise.
13975 2006-04-05 Robert Millan <robertmh@gnu.org>
13977 * config/i386/linux.h: Add a comment to mark macros that are
13978 being overriden in config/k*bsd-gnu.h.
13979 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
13981 * config/knetbsd-gnu.h: Ditto.
13983 2006-04-06 Jan Hubicka <jh@suse.cz>
13987 * coverage.c (coverage_checksum_string): Reorganize loop to not read
13990 2006-04-06 Mike Stump <mrs@apple.com>
13992 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
13993 for HAVE_nonlocal_goto to be consistent.
13994 (expand_builtin_nonlocal_goto): Likewise.
13995 (expand_builtin_strcmp): Use #ifdef instead of #if
13996 for HAVE_cmpstrnsi to be consistent.
13998 2006-04-05 DJ Delorie <dj@redhat.com>
14000 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
14003 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
14005 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
14006 got-relative addressing for anything but SImode.
14008 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
14009 even if the calling function doesn't modify them.
14011 2006-04-05 Richard Guenther <rguenther@suse.de>
14013 PR tree-optimization/26919
14014 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
14015 to cgraph_estimate_size_after_inlining.
14017 2006-04-05 Alan Modra <amodra@bigpond.net.au>
14019 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
14021 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
14023 PR tree-optimization/26996
14024 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
14025 VECTOR_TYPE variables.
14027 2006-04-05 Richard Guenther <rguenther@suse.de>
14029 PR tree-optimization/26763
14030 * fold-const.c (fold_comparison): Move folding of
14031 PTR + CST CMP PTR + CST ...
14032 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
14034 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
14036 * doc/install.texi (Prerequisites): Refine some wording on
14037 bootstrapping and ksh.
14038 Move the version numbers of DejaGnu here from the testing section
14039 and fix casing of names.
14040 Fix markup and clarify wording for autogen requirements.
14041 Refer to GCJ instead of just java.
14042 Refer to SVN instead of CVS.
14043 Describe diffutils as useful instead of necessary.
14044 (Downloading the source): Refer to SVN instead of CVS.
14045 Adjust a link to our web site accordingly.
14046 (Configuration): Fix casing of Bison.
14047 (Building): Refer to SVN instead of CVS.
14048 Fix a sentence on the use of Bison and remove duplicate (and
14049 incorrect) version number of Bison requirement.
14050 Remove one redundant list of packages needed for building.
14051 (Specific): Avoid reference to CVS.
14053 2006-04-04 Eric Christopher <echristo@apple.com>
14055 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
14056 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
14057 (rs6000_handle_struct_attribute): New.
14058 (rs6000_ms_bitfield_layout_p): Ditto.
14060 2006-04-04 Geoffrey Keating <geoffk@apple.com>
14062 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
14063 NULL for dso parameter to atexit_common.
14065 2006-04-04 Eric Christopher <echristo@apple.com>
14067 * config/i386/i386.c (machopic_output_stub): Output \t
14068 between instructions and operands.
14070 2006-04-04 David Edelsohn <edelsohn@gnu.org>
14072 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
14073 satisfies_constraint_[IL] to explicit tests on value.
14075 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
14077 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
14078 set_nb_iterations_in_loop): Use build_int_cst instead of
14079 build_int_cst_type.
14080 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
14081 build_int_cst instead of convert.
14083 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
14085 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
14086 new value 2 for incoming.
14087 * function.c (expand_function_start): Call struct_value_rtx
14088 with incoming as 2.
14089 * config/sparc/sparc.md: Comment updated_return.
14090 * config/sparc/sparc.opt: Add -mstd-struct-return option.
14091 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
14092 struct return if sparc_std_struct_return and incoming is 2.
14093 (print_operand): Do not adjust return if
14094 sparc_std_struct_return.
14096 2006-04-04 Roger Sayle <roger@eyesopen.com>
14098 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
14099 convert in the middle-end.
14100 * expr.c (store_expr, store_constructor, get_inner_reference,
14101 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
14103 * tree.c (build_range_type): Likewise.
14105 2006-04-04 Tom Tromey <tromey@redhat.com>
14107 * doc/install.texi (Prerequisites): Mention jar.
14109 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
14111 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
14114 2006-04-04 Matthias Klose <doko@debian.org>
14116 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
14120 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
14123 2006-04-03 Geoffrey Keating <geoffk@apple.com>
14125 * doc/extend.texi (Function Attributes): Rewrite visibility
14126 attribute documentation.
14127 * doc/invoke.texi (C++ Dialect Options): Rewrite
14128 -fvisibility-inlines-hidden documentation to describe something
14129 entirely different, although in practise compatible.
14130 (Code Gen Options): Warn about system headers in -fvisibility=
14133 * doc/extend.texi (Other Builtins): Document that
14134 __builtin_nan is a compile-time constant only when its argument
14137 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
14139 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
14140 trying to remove TRUNCATE check if all bits outside the new mode
14141 are identical to the sign bit.
14143 2006-04-03 Jeff Law <law@redhat.com>
14145 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
14146 and operand scanning in some common cases.
14148 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
14149 Dale Johannesen <dalej@apple.com>
14152 * regclass.c (struct reg_pref): Update documentation.
14153 (regclass): Set prefclass to NO_REGS if memory is the best option.
14154 (record_reg_classes): Cope with a prefclass set to NO_REGS.
14155 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
14156 into account. For non-registers, equate an empty preferred
14157 reload class to a `!' in the constraint; move the if clause to
14158 do so after those that reject the insn.
14159 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
14161 (find_dummy_reload): Likewise.
14162 * doc/tm.texi (Register Classes): Document what it means
14163 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
14164 * config/i386/i386.c (ix86_preferred_reload_class): Force
14165 using SSE registers (and return NO_REGS for floating-point
14166 constants) if math is done with SSE.
14167 (ix86_preferred_output_reload_class): New.
14168 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
14169 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
14170 * config/i386/i386.md: Remove # register preferences.
14172 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14175 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
14176 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
14177 the type of nb_iter.
14178 (instantiate_parameters_1): Convert the operands before calling
14179 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
14180 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
14182 2006-04-02 Roger Sayle <roger@eyesopen.com>
14184 * builtins.c (dummy_object): Use build_int_cst instead of convert.
14185 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
14186 instead of convert.
14187 * dojump.c (do_jump): Likewise.
14188 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
14189 * gimplify.c (gimple_boolify, gimplify_init_constructor,
14190 gimplify_boolean_expr): Likewise.
14191 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
14192 * varasm.c (array_size_for_constructor): Likewise.
14193 * tree-object-size.c (compute_object_offset): Likewise.
14195 2006-04-02 Roger Sayle <roger@eyesopen.com>
14197 PR middle-end/26977
14198 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
14199 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
14201 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14203 PR tree-optimization/26939
14204 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
14206 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14208 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
14209 at_stmt. Convert the type of operands before calling
14210 build_polynomial_chrec.
14211 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
14212 add_to_evolution_1.
14213 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
14214 (instantiate_parameters_1): Convert the type of operands before calling
14215 build_polynomial_chrec.
14216 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
14217 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
14218 reset_evolution_in_loop): Insert asserts to check the types of the
14220 (chrec_type): Moved...
14221 (eq_evolutions_p): Use operand_equal_p.
14222 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
14223 the types of the operands.
14224 (chrec_type): ...here.
14225 * tree-data-ref.c (create_data_ref): Convert the operands before
14226 calling chrec_replace_initial_condition.
14227 (same_access_functions, analyze_subscript_affine_affine,
14228 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
14229 (compute_subscript_distance, analyze_ziv_subscript,
14230 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
14231 analyze_miv_subscript): Convert the operands before calling
14232 chrec_fold_minus or chrec_fold_plus.
14234 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14236 * tree-data-ref.c (compute_all_dependences): Use a pointer to
14237 the dependence_relations vector.
14238 (compute_data_dependences_for_loop): Adjust call to
14239 compute_all_dependences.
14241 2006-04-01 Roger Sayle <roger@eyesopen.com>
14242 Richard Henderson <rth@redhat.com>
14244 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
14245 gimple_boolify on the condition before calling gimplify_expr.
14247 2006-03-31 Bob Wilson <bob.wilson@acm.org>
14249 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
14250 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
14251 the frame size. Update to use the new macros.
14252 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
14253 * config/xtensa/ieee754-df.S: Likewise.
14255 2006-03-31 Richard Henderson <rth@redhat.com>
14257 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
14258 (make_edges): ... here. Control fallthru creation with a local
14259 variable. Do not play with fake edges.
14260 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
14261 (make_goto_expr_edges): Don't play with fake edges. Make for_call
14264 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
14266 * dwarf2.h (DW64_CIE_ID): Define.
14267 * dwarf2out.c (DWARF_CIE_ID): Define.
14268 (output_call_frame_info): Output 0xffffffff before standard 8-byte
14269 length header. Use DWARF_CIE_ID.
14270 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
14271 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
14273 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
14275 * config/sh/linux-atomic.asm: New file.
14276 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
14278 2006-03-31 DJ Delorie <dj@redhat.com>
14280 * config/m32c/cond.md: Set condition flags properly throughout.
14281 * config/m32c/minmax.md: Likewise.
14282 * config/m32c/prologue.md: Likewise.
14283 * config/m32c/bitops.md: Likewise.
14284 * config/m32c/muldiv.md: Likewise.
14285 * config/m32c/mov.md: Likewise.
14286 * config/m32c/addsub.md: Likewise.
14287 * config/m32c/m32c.md: Likewise.
14288 * config/m32c/jump.md: Likewise.
14289 * config/m32c/shift.md: Likewise.
14291 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
14292 conditionally output the pattern for this.
14293 * config/m32c/m32c.c (flags_needed_for_conditional): New.
14294 (m32c_compare_redundant): New.
14295 (m32c_output_compare): New.
14296 * config/m32c/m32c-protos.h (m32c_output_compare): New.
14298 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
14299 dest, not src. Allow other 4-byte modes.
14301 2006-03-30 Denis Chertykov <denisc@overta.ru>
14303 * doc/md.texi: Refer to avr/constraints.md instead of
14306 2006-03-30 Roger Sayle <roger@eyesopen.com>
14308 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
14309 signed vs. unsigned comparison failures on some hosts.
14311 2006-03-31 Alan Modra <amodra@bigpond.net.au>
14314 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
14315 change to FLOAT_REGS.
14317 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
14318 (rs6000_override_options): Use it.
14319 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
14320 only for -mabi=spe/no-spe and -mabi=altivec.
14322 2006-03-30 Geoffrey Keating <geoffk@apple.com>
14324 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
14327 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
14329 * Makefile.in: Rename docdir to gcc_docdir.
14331 2006-03-30 Roger Sayle <roger@eyesopen.com>
14334 * expr.c (emit_group_store): Optimize group stores into a pseudo
14335 register by using a paradoxical subreg to initialize the destination
14336 if the first or last member of the group specifies a "low part".
14338 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14341 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
14342 * target.h (struct gcc_target.speculate_insn): Change type of the
14343 second parameter to 'int'.
14344 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
14345 the second operand of the DEPS_LIST.
14346 (copy_DEPS_LIST_list): Update reference to the second operand of the
14348 * rtl.h (alloc_DEPS_LIST): Update signature.
14349 * sched-int.h (ds_t): Change typedef to 'int'.
14350 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
14352 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14354 * haifa-sched.c (try_ready): Change condition to restore
14355 non-speculative pattern of the instruction.
14356 (process_insn_depend_be_in_spec): Code to keep probability of the
14357 speculative dependence non-decreasing.
14359 2006-03-30 Jie Zhang <jie.zhang@analog.com>
14361 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
14362 (single_move_for_movmem): ... this. Also change all uses.
14363 (bfin_expand_strmov): Renamed to...
14364 (bfin_expand_movmem): ... this. Also change all uses.
14365 * config/bfin/bfin.md (movstrsi): Renamed to...
14366 (movstrsi): ...this.
14368 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
14370 PR tree-optimization/26830
14372 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
14373 (copy_prop_visit_stmt): Remove write-only variable ann.
14374 (init_copy_prop): Check variable loop depth here. Do not simulate
14375 memory-tag and virtual operand PHIs except for store copy prop.
14377 2006-03-30 Richard Guenther <rguenther@suse.de>
14379 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
14380 variants with double arguments.
14382 2006-03-29 David Edelsohn <edelsohn@gnu.org>
14384 * genpreds.c (write_tm_constrs_h): Delete variable p.
14385 * genconditions.c (write_header): Add tm-constrs.h to included
14387 * genpeep.c (main): Add toplev.h to included headers.
14388 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
14389 (build/genpeep.o): Add toplev.h dependency.
14390 * config/rs6000/constraints.md: Add "W" constraint.
14392 2006-03-29 Roger Sayle <roger@eyesopen.com>
14394 * stor-layout.c (mode_for_size_tree): Remove restiction on type
14395 sizes by correctly testing whether the size fits a host integer.
14396 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
14397 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
14398 SImode range for the default sizetype and bitsizetype.
14400 2006-03-29 Roger Sayle <roger@eyesopen.com>
14402 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
14403 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
14404 quickly if the argument is already of the correct type.
14405 Call fold_build1 instead of build1. Tidy up blank lines.
14407 2006-03-29 David Edelsohn <edelsohn@gnu.org>
14409 * genemit.c (main): Add tm-constrs.h to included headers.
14410 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
14411 * genpeep.c (main): Add tm-constrs.h to included headers.
14412 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
14413 (write_tm_constrs_h): this and write complete file.
14414 (write_tm_preds_h): Do not emit satisfies_constraint fns.
14415 (write_insn_preds_c): Add tm-constrs.h to included headers.
14416 (gen_constrs): New variable.
14417 (parse_option): Parse "-c".
14418 (main): Invoke write_tm_constrs_h.
14419 * genrecog.c (write_header): Add tm-constrs.h to included headers.
14420 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
14421 (object_out_file): Add tm-constrs.h dependency.
14422 (insn-emit.o): Same.
14423 (insn-output.o): Same.
14424 (insn-peep.o): Same.
14425 (insn-preds.o): Same.
14426 (insn-recog.o): Same.
14427 (tm-constsr.h): New target.
14428 (s-constrs-h): New target.
14430 * config/rs6000/constraints.md: New file.
14431 * config/rs6000/rs6000.c: Include tm-constrs.h.
14432 (num_insn_constant_wide): Convert to satisfies_constraint.
14433 (rs6000_rtx_costs): Convert to satisfies_constraint.
14434 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
14435 (CONST_OK_FOR_LETTER_P): Delete.
14436 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
14437 (EXTRA_CONSTRAINT): Delete.
14438 (EXTRA_MEMORY_CONSTRAINT): Delete.
14439 (EXTRA_ADDRESS_CONSTRAINT): Delete.
14440 * config/rs6000/predicates.md: Convert to satisfies_constraint.
14441 * config/rs6000/rs6000.md: Include constraints.md. Convert to
14442 satisfies_constraint.
14444 * config/i386/i386.c: Include tm-constrs.h.
14446 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
14448 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
14449 * tree-data-ref.c (find_data_references_in_loop,
14450 compute_data_dependences_for_loop): Use pointers to VEC.
14451 (analyze_all_data_dependences): Adjust calls.
14452 * tree-data-ref.h (find_data_references_in_loop,
14453 compute_data_dependences_for_loop): Adjust declarations.
14454 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
14455 compute_data_dependences_for_loop.
14457 2006-03-29 Paul Brook <paul@codesourcery.com>
14459 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
14460 (movdf_vfp): Ditto.
14462 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
14464 PR tree-optimization/26859
14465 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
14467 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
14468 for the step after fold_convert.
14470 2006-03-29 Paul Brook <paul@codesourcery.com>
14472 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
14473 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
14475 2006-03-29 Paul Brook <paul@codesourcery.com>
14477 PR middle-end/23623
14478 * targhooks.c (default_narrow_bitfield): New fuction.
14479 * targhooks.h (default_narrow_bitfield): add prototype.
14480 * target.h (gcc_target): Add narrow_volatile_bitfield.
14481 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
14482 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
14483 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
14484 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
14486 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
14488 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
14490 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
14491 (NR_C_MODES): Add TDmode, DDmode and SDmode.
14492 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
14493 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
14494 (s390_function_arg_float): Allow SDmode and DDmode values to be
14495 passed in floating point registers.
14496 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
14497 check with SCALAR_FLOAT_MODE_P.
14498 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
14500 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
14502 PR tree-optimization/25985
14503 * tree-ssa-loop-niter.c (number_of_iterations_le,
14504 number_of_iterations_ne): Make comments more precise.
14505 (number_of_iterations_cond): Add only_exit argument. Use the
14506 fact that signed variables do not overflow only when only_exit
14508 (loop_only_exit_p): New.
14509 (number_of_iterations_exit): Pass result of loop_only_exit_p to
14510 number_of_iterations_cond.
14512 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
14514 PR tree-optimization/26643
14515 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
14518 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
14520 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
14521 (divsi3_i4_int): Likewise.
14523 2006-03-28 Roger Sayle <roger@eyesopen.com>
14525 * expr.c (emit_group_store): Only create a new pseudo reg if the
14526 quantity it needs to hold isn't already a suitable pseudo.
14528 2006-03-28 Jeff Law <law@redhat.com>
14530 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
14531 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
14533 2006-03-28 Roger Sayle <roger@eyesopen.com>
14535 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
14536 the equivalent ~X & Y, and the symmetry related transformations.
14537 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
14538 ~X & Y, and symmetry related transforms.
14540 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14542 Revert my 2006-03-27 patches.
14544 2006-03-28 Roger Sayle <roger@eyesopen.com>
14546 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
14547 ~(T1)X, when T1 and T2 are integer types of the same precision
14548 and (T2)X isn't an extension.
14550 2006-03-28 Jeff Law <law@redhat.com>
14552 PR tree-optimization/26796
14553 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
14554 need EH edge cleanups rather than purging them immediately.
14555 (eliminate_degenerate_phis): Handle queued EH cleanups.
14557 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
14559 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
14562 2006-03-27 Roger Sayle <roger@eyesopen.com>
14564 PR middle-end/22524
14565 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
14566 cast BIT_NOT_EXPR operand to the correct type.
14568 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
14570 * tree-loop-linear.c: Don't include varray.h.
14571 (gather_interchange_stats, try_interchange_loops,
14572 linear_transform_loops): Use VEC instead of VARRAY.
14573 * lambda-mat.c: Don't include varray.h.
14574 * tree-chrec.c: Same.
14575 * lambda-trans.c: Same.
14576 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
14577 VEC instead of VARRAY.
14578 * tree-vectorizer.h: Idem.
14579 * tree-data-ref.c (dump_data_references,
14580 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
14581 initialize_data_dependence_relation, finalize_ddr_dependent,
14582 compute_all_dependences, find_data_references_in_loop,
14583 compute_data_dependences_for_loop, analyze_all_data_dependences,
14584 free_dependence_relation, free_dependence_relations,
14585 free_data_refs): Idem.
14586 * tree-data-ref.h (data_reference_p, subscript_p): New.
14587 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
14588 VEC instead of VARRAY.
14589 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
14590 (find_data_references_in_loop, compute_data_dependences_for_loop,
14591 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
14592 dump_data_dependence_relations, free_dependence_relations,
14593 free_data_refs): Adjust declaration.
14594 (lambda_transform_legal_p): Move declaration here...
14595 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
14596 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
14597 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
14598 vect_analyze_data_refs): Use VEC instead of VARRAY.
14599 * lambda.h (lambda_transform_legal_p): ...from here.
14600 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
14601 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
14602 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
14603 tree-chrec.o): Don't depend on VARRAY_H.
14605 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14607 * rtl.def (Copyright): Update date.
14608 (DEPS_LIST): Change type of the second operand to 'int'.
14609 * target.h (Copyright): Update date.
14610 (struct gcc_target.speculate_insn): Change type of the second parameter
14612 * lists.c (Copyright): Update date.
14613 (alloc_DEPS_LIST): Change signature. Update reference to the second
14614 operand of the DEPS_LIST.
14615 (copy_DEPS_LIST_list): Update reference to the second operand of the
14617 * rtl.h (Copyright): Update date.
14618 (alloc_DEPS_LIST): Update signature.
14619 * sched-int.h (Copyright): Update date.
14620 (ds_t): Change typedef to 'int'.
14621 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
14623 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14625 * haifa-sched.c (Copyright): Update date.
14626 (try_ready): Change condition to restore non-speculative pattern
14627 of the instruction.
14628 (process_insn_depend_be_in_spec): Code to keep probability of the
14629 speculative dependence non-decreasing.
14631 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
14633 * regrename.c (replace_oldest_value_addr): Initialize a variable to
14634 shut up the compiler.
14636 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
14638 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
14639 to use lib prefix for target.
14640 ($(T)libic_invalidate_array_4-200.a): Likewise.
14641 ($(T)libic_invalidate_array_4a.a): Likewise.
14643 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
14644 J"orn Rennecke <joern.rennecke@st.com>
14646 * superh.opt: New file.
14647 * sh.c (boardtype, osruntime): Remove.
14648 * superh.h (SUBTARGET_OPTIONS): Remove.
14649 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
14651 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
14652 arguments with ^ and/or [].
14654 * config.gcc (sh-*-*): Add quoting to account for quirk of
14656 Replace == with = in enable_incomplete_targets test.
14658 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
14659 with MASK_LITTLE_ENDIAN.
14661 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
14662 * config/sh/sh.opt: Added to some comments.
14663 * config/sh/superh.h: Removed some chaff.
14665 * config/sh/sh.opt: Add m4-[1234]00* options.
14666 * config/sh/sh.c (sh_handle_option): Likewise.
14667 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
14668 (ic_invalidate_array_4-100.o): New rule.
14669 ($(T)libic_invalidate_array_4-100.a): Likewise.
14670 (ic_invalidate_array_4-200.o): Likewise.
14671 ($(T)libic_invalidate_array_4-200.a): Likewise.
14672 (ic_invalidate_array_4a.o): Likewise.
14673 ($(T)libic_invalidate_array_4a.a): Likewise.
14674 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
14675 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
14677 * config/sh/crt1.asm: Merged in profiling code.
14678 * config/sh/superh.h (STARTFILE_SPEC): Override.
14679 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
14680 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
14681 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
14683 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
14684 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
14685 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
14687 * sh.opt (mpretend-cmove): New option.
14688 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
14689 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
14690 (movsicc): Add TARGET_PRETEND_CMOVE code.
14692 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
14694 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
14695 s390_class_max_nregs): New function prototypes.
14696 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
14697 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
14698 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
14699 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
14701 2006-03-26 Geoffrey Keating <geoffk@apple.com>
14703 * dwarf2out.c (add_location_or_const_value_attribute): Call
14704 tree_add_const_value_attribute if nothing else works.
14705 (reference_to_unused): New.
14706 (rtl_for_decl_init): Use reference_to_unused to decide whether
14707 to output an initializer.
14709 2006-03-27 Alan Modra <amodra@bigpond.net.au>
14712 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
14713 peephole removing spe frob_di_df_2.
14715 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
14717 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
14718 (subscript_dependence_tester_1): Declared.
14719 (print_dir_vectors, print_dist_vectors): New.
14720 (debug_data_dependence_relation): New.
14721 (dump_data_dependence_relation): Print more details.
14722 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
14723 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
14724 (save_dist_v, save_dir_v, add_outer_distances,
14725 build_classic_dist_vector_1): New.
14726 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
14727 Don't test for lambda_vector_lexico_pos.
14728 (same_access_functions, add_multivariate_self_dist,
14729 add_other_self_distances, dir_from_dist): New.
14730 (build_classic_dir_vector): Replace implementation almost identical to
14731 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
14733 (subscript_dependence_tester_1): New.
14734 (subscript_dependence_tester): Handle the lexicographically negative
14735 distance vectors by recomputing the dependence relation.
14736 (compute_affine_dependence): Remove parameter loop_nest_depth.
14737 (compute_self_dependence): Don't call compute_subscript_distance.
14738 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
14739 Add a parameter for the loop_nest.
14740 (find_loop_nest_1, find_loop_nest): New.
14741 (compute_data_dependences_for_loop): Compute the loop nest, and give
14742 up if the nest is not well formed.
14743 * tree-data-ref.h (loop_p): New.
14744 (struct data_dependence_relation): Replace size_vect field with
14745 loop_nest, a vec of loops.
14746 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
14747 (DDR_LOOP_NEST): New.
14748 (print_dir_vectors, print_dist_vectors,
14749 debug_data_dependence_relation): Declared.
14750 (index_in_loop_nest): New.
14751 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
14752 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
14755 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
14757 * simplify-rtx.c (simplify_relational_operation): Call
14758 simplify_relational_operation_1 even if mode is VOIDmode.
14760 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
14762 PR tree-optimization/26804
14763 * tree.h (DECL_CALL_CLOBBERED): New macro.
14764 (tree_decl_common): Add call_clobbered_flag.
14765 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
14766 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
14767 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
14768 (mark_non_addressable): Ditto.
14769 * tree-ssa.c (verify_call_clobbered): New function.
14770 (verify_alias_info): Use it.
14771 * tree-pass.h (pass_reset_cc_flags): New prototype.
14772 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
14773 (reset_cc_flags): New function.
14774 * passes.c (init_optimization_passes): Call reset_cc_flags after
14775 initializing referenced_vars.
14777 2006-03-25 Uros Bizjak <uros@kss-loka.si>
14778 Roger Sayle <roger@eyesopen.com>
14780 PR middle-end/26717
14781 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
14782 to 1.0 for non-real operands. Implement A / A optimization for
14785 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
14787 * config/i386/i386.c (size_cost): Correct the comment for
14788 cost of storing fp registers.
14789 (i386_cost): Likewise.
14790 (i486_cost): Likewise.
14791 (pentium_cost): Likewise.
14792 (pentiumpro_cost): Likewise.
14793 (k6_cost): Likewise.
14794 (athlon_cost): Likewise.
14795 (k8_cost): Likewise.
14796 (pentium4_cost): Likewise.
14797 (nocona_cost): Likewise.
14798 (generic64_cost): Likewise.
14799 (generic32_cost): Likewise.
14801 2006-03-24 Denis Chertykov <denisc@overta.ru>
14803 * config/avr/avr-protos.h (extra_constraint): Delete.
14804 (extra_constraint_Q): New declaration.
14805 * config/avr/constraints.md: New file.
14806 * config/avr/avr.md: Include it.
14807 (REG_X, REG_Y, REG_Z, REG_W): New constants.
14808 (TMP_REGNO, ZERO_REGNO): Likewise.
14809 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
14810 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
14811 (extra_constraint): Delete.
14812 (extra_constraint_Q): Test for memory constraint 'Q'.
14813 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
14814 (REG_CLASS_FROM_LETTER): Delete.
14815 (CONST_OK_FOR_LETTER_P): Delete.
14816 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
14817 (EXTRA_CONSTRAINT): Delete.
14818 (TMP_REGNO): Delete.
14819 (ZERO_REGNO): Delete.
14821 2006-03-24 Jeff Law <law@redhat.com>
14823 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
14824 directly. Call mark_new_vars_to_rename slightly earlier.
14826 2006-03-24 Geoffrey Keating <geoffk@apple.com>
14828 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
14829 (is_cxx): Likewise.
14830 (gen_compile_unit_die): Use new language types for Objective-C and
14832 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
14833 DW_LANG_C_plus_plus.
14836 * config/t-darwin (crt3.o): Work around bug 26840.
14837 * config/darwin-crt3.c: Rewrite.
14838 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
14840 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
14842 * doc/invoke.texi: Document -femit-class-debug-always
14843 * common.opt: Add -femit-class-debug-always.
14845 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
14847 * config/s390/s390.c (s390_decompose_address): Allow SImode for
14848 index and base register.
14849 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
14850 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
14851 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
14852 REGNO_OK_FOR_INDEX_P.
14853 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
14855 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
14856 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
14857 REG_OK_FOR_BASE_P): Definitions removed.
14859 2006-03-24 Jakub Jelinek <jakub@redhat.com>
14861 PR middle-end/26611
14862 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
14863 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
14864 set yet or weren't marked as local yet.
14866 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
14868 * regrename.c (scan_rtx_address): Initialize a variable to shut up
14871 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
14873 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
14874 (rs6000_legitimate_small_data_p): Delete.
14875 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
14876 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
14877 and make static. Add forward declaration. Update uses.
14878 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
14879 of offsettable_memref_p.
14880 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
14881 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
14883 2006-03-24 Jeff Law <law@redhat.com>
14885 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
14886 around bug in immediate-use iterator.
14888 2006-03-24 Alan Modra <amodra@bigpond.net.au>
14891 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
14892 or __LITTLE_ENDIAN__.
14894 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
14896 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
14897 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
14898 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
14899 * config/sh/sh.opt (mdiv=): Amend description.
14900 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
14901 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
14902 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
14903 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
14904 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
14905 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
14906 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
14907 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
14908 TARGET_DIVIDE_CALL_FP.
14910 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14912 * haifa-sched.c (choose_ready): Fix type of the local variable.
14913 Move local variables. Add comment.
14914 (check_reg_live): Change signature. Make callable from debugger.
14915 * sched-int.h (check_reg_live): Update signature.
14916 * sched-ebb.c (check_reg_live): Update parameters.
14917 * sched-rgn.c (check_reg_live): Ditto.
14918 (region_head_or_leaf_p): Check pointer before dereferencing.
14919 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
14920 before reload on optimization levels below 1.
14922 2006-03-23 Richard Henderson <rth@redhat.com>
14924 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
14928 * config/alpha/predicates.md (local_symbolic_operand): Reject
14931 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
14934 * tree-ssa-pre.c (create_value_expr_from): Don't reject
14935 expressions which have overflowed constants.
14937 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
14939 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
14941 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
14943 * cfgloopmanip.c (create_loop_notes): Removed.
14944 * final.c (final_scan_insn): Do not handle loop notes.
14945 * jump.c (squeeze_notes): Ditto.
14946 * cfglayout.c (skip_insns_after_block,
14947 duplicate_insn_chain): Ditto.
14948 * cfgcleanup.c (rest_of_handle_jump2): Do not call
14950 * cfgloop.h (create_loop_notes): Declaration removed.
14952 2006-03-23 Richard Sandiford <richard@codesourcery.com>
14954 * varasm.c (output_constant_pool): Restore fnname and fndecl
14956 (assemble_start_function): Adjust call accordingly.
14957 (assemble_end_function): Likewise.
14959 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14962 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
14965 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
14967 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14970 * system.h (ICE_EXIT_CODE): New macro.
14971 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
14972 (diagnostic_action_after_output): Likewise.
14973 * gcc.c (fatal_ice): New function.
14974 (execute): Use it instead of fatal.
14975 (fancy_abort): Likewise.
14976 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
14978 2006-03-22 Jeff Law <law@redhat.com>
14980 * loop-unroll.c (analyze_iv_to_split_insn): Handle
14981 iv_analyze_result returning false.
14983 2006-03-22 Jie Zhang <jie.zhang@analog.com>
14985 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
14987 2006-03-22 Richard Henderson <rth@redhat.com>
14989 PR middle-end/26084
14990 * except.c (duplicate_eh_regions_0): New.
14991 (duplicate_eh_region_1): Duplicate the children of the node as
14992 well as the node itself. Link them up properly.
14993 (duplicate_eh_region_2): Merge into ...
14994 (duplicate_eh_regions): ... here. Take copy_region argument, and
14995 copy only a sub-tree if asked. Simplify copying and fixup.
14996 (eh_region_outer_p): New.
14997 * except.h (duplicate_eh_regions): Update decl.
14998 (eh_region_outer_p): Declare.
14999 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
15000 (lower_omp_master): Likewise.
15001 (lower_omp_ordered): Likewise.
15002 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
15003 (move_stmt_r): Use it to remap labels. Handle recursion vs
15004 remap_decls_p properly.
15005 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
15006 (find_outermost_region_in_block): New.
15007 (new_label_mapper): New.
15008 (move_sese_region_to_fn): Copy eh information to the new function
15010 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
15012 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
15015 2006-03-22 Richard Sandiford <richard@codesourcery.com>
15017 * doc/md.texi (-mshared): Mention that -mshared code can be linked
15018 into shared libraries.
15020 2006-03-22 Richard Sandiford <richard@codesourcery.com>
15022 * doc/md.texi: Refer to i386/constraints.md instead of
15023 i386/predicates.md.
15024 * config/i386/constraints.md: New file, extracted from...
15025 * config/i386/predicates.md: ...here.
15026 * config/i386/i386.md: Include constraints.md.
15028 2006-03-21 Jason Merrill <jason@redhat.com>
15030 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
15032 PR middle-end/20297
15033 * expr.c (init_block_move_fn): Force default visibility.
15034 (init_block_clear_fn): Likewise.
15035 * builtins.c (expand_builtin_fork_or_exec): Likewise.
15036 * targhooks.c (default_external_stack_protect_fail): Likewise.
15038 2006-03-21 Richard Sandiford <richard@codesourcery.com>
15040 * config/mips/predicates.md (const_call_insn_operand): Allow direct
15041 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
15042 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
15043 Use TARGET_OLDABI instead of !TARGET_NEWABI.
15044 (loadgp): Use mips_current_loadgp_style.
15045 (loadgp_noshared): New pattern.
15046 (sibcall_internal): Use MIPS_CALL.
15047 (sibcall_value_internal): Likewise.
15048 (sibcall_value_multiple_internal): Likewise.
15049 (call_internal): Likewise.
15050 (call_value_internal): Likewise.
15051 (call_value_multiple_internal): Likewise.
15052 (call_split): Use MIPS_CALL and add an 'S' constraint.
15053 (call_value_split): Likewise.
15054 (call_value_multiple_split): Likewise.
15055 * config/mips/mips.opt (-mabicalls): Tweak docstring.
15056 (-mshared): New option.
15057 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
15058 (mips_current_loadgp_style): Declare.
15059 * config/mips/mips.c (mips_classify_symbol): Avoid using
15060 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
15061 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
15062 TARGET_ABSOLUTE_ABICALLS.
15063 (override_options): Adjust comments. Improve the warning that is
15064 issued when -mabicalls and -G are used together.
15065 (mips_file_start): Remove comment.
15066 (mips_current_loadgp_style): New function.
15067 (mips_gnu_local_gp): New variable.
15068 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
15070 (mips_output_function_prologue): Use mips_current_laodgp_style.
15071 (mips_expand_prologue): Call mips_emit_loadgp before emitting
15072 the cprestore instruction.
15073 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
15074 live for TARGET_ABSOLUTE_ABICALLS.
15075 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
15076 (ASM_SPEC): Pass down -mshared and -mno-shared.
15077 (MIPS_CALL): New macro.
15078 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
15080 * doc/invoke.texi (-mabicalls): Update documentation.
15081 (-mshared): Document.
15083 2006-03-21 Steve Ellcey <sje@cup.hp.com>
15085 * config/ia64/unwind-hpux.c: New file.
15086 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
15088 2006-03-21 Steve Ellcey <sje@cup.hp.com>
15091 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
15093 2006-03-21 Jeff Law <law@redhat.com>
15095 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
15096 type conversions of a VR_VARYING source to a wider type.
15098 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
15100 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
15101 tm_file on Solaris 10 and later.
15102 (sparc64-*-solaris2*): Likewise.
15103 (sparc-*-solaris2*): Likewise.
15104 * config/sol26.h: Rename to config/sol2-6.h.
15105 * config/sol2-10.h: New file.
15107 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
15110 * tree-ssa-pre.c (create_component_ref_by_pieces):
15113 2006-03-21 Jakub Jelinek <jakub@redhat.com>
15116 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
15117 return it immediately.
15119 2006-03-21 Michael Matz <matz@suse.de>
15121 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
15123 (remove_arc, add_arc): Update num_out_arcs member.
15124 (set_out_arc_insns_equiv_num): Returns nothing instead of number
15126 (cache_presence): New function.
15127 (compare_states_for_equiv): New function.
15128 (state_is_differed): Don't take number of outargs, adjust callers.
15129 Use new invariant for speeding up.
15130 (init_equiv_class): Create initial classes based on sorted
15132 (partition_equiv_class): Don't track out_arcs_num.
15133 (evaluate_equiv_classes): Call cache_presence on all states and
15136 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
15138 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
15139 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
15140 (bfin_valid_reg_p): Test for pseudos explicitly and use only
15141 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
15143 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
15144 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
15145 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
15146 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
15147 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
15149 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
15150 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
15151 (REGNO_REG_CLASS): ARGP is in PREGS.
15152 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
15154 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
15155 to deal with those addresses.
15156 * addresses.h: New file.
15157 * caller-save.c: Include "addresses.h".
15158 (init_caller_save): Use new base_reg_class function.
15159 * rtl-factoring.c: Include "addresses.h".
15160 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
15161 * recog.c: Include "addresses.h".
15162 (preprocess_constraints): Use new base_reg_class function.
15163 * regrename.c: Include "addresses.h".
15164 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
15165 functions. Keep track of a new var INDEX_CODE to compute valid
15167 (replace_oldest_value_addr): Likewise.
15168 (replace_oldest_value_mem): Use base_reg_class.
15169 * reload.c: Include "addresses.h".
15170 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
15171 (find_reloads): Use new base_reg_class function.
15172 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
15173 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
15174 all callers and prototype changed.
15175 * reload1.c: Include "addresses.h".
15176 (maybe_fix_stack_asms): Use base_reg_class.
15177 * regclass.c: Include "addresses.h".
15178 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
15179 (init_reg_autoinc): Use new base_reg_class function.
15180 (record_reg_classes): Likewise.
15181 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
15182 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
15183 Use new args to compute necessary class.
15185 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
15186 regrename.o, rtl-factoring.o): Update dependencies.
15187 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
15188 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
15189 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
15190 REG_OK_FOR_INDEX_P): Delete documentation.
15192 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
15194 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
15195 from V7 to V9 for Solaris 7 and above.
15197 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
15199 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
15200 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
15201 argument pointers may not alias any other storage.
15202 * common.opt: Define option -fargument-noalias-anything.
15203 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
15204 alias semantics is specified by flag_argument_noalias > 2.
15206 2006-03-20 Jeff Law <law@redhat.com>
15208 * tree-pass.h (pass_phi_only_copy_prop): Delete.
15209 (pass_phi_only_cprop): Declare.
15210 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
15211 with phi_only_cprop
15212 * tree-ssa-dom.c (degenerate_phi_result): New function.
15213 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
15214 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
15215 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
15216 (eliminate_degenerate_phis): Likewise.
15217 (pass_phi_only_cprop): New pass descriptor.
15218 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
15219 support code. Callers updated.
15220 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
15221 (store_copy_prop): Likewise.
15222 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
15224 2006-03-20 Jason Merrill <jason@redhat.com>
15227 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
15228 (push_visibility, pop_visibility): Likewise.
15229 * c-pragma.h: Declare them.
15231 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
15233 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
15235 * config/sh/sh.c (find_regmode_weight): Change the type of the first
15236 parameter and use get_ebb_head_tail.
15237 (sh_md_init_global): Adjust uses of find_regmode_weight.
15239 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
15241 * function.h (struct function) <x_tail_recursion_reentry>:
15242 Rename to x_stack_check_probe_note.
15243 (tail_recursion_reentry): Rename to stack_check_probe_note.
15244 * function.c: Replace tail_recursion_reentry with
15245 stack_check_probe_note everywhere.
15246 (expand_function_start): Only emit a note for
15247 stack_check_probe_note with -fstack-protect.
15248 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
15250 * emit-rtl.c (remove_unnecessary_notes): Remove.
15251 (pass_remove_unnecessary_notes): Remove.
15252 * rtl.h (remove_unnecessary_notes): Remove prototype.
15253 * final.c (final_start_function): Don't call remove_unnecessary_notes.
15254 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
15255 * passes.c (pass_remove_unnecessary_notes): Don't run it.
15257 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
15260 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
15261 (valid_in_set): Handle ARRAY_REF.
15262 Change "if min_variant or VH" to asserts.
15263 (create_component_ref_by_pieces): Handle ARRAY_REF.
15264 (create_expression_by_pieces): Likewise.
15265 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
15267 2006-03-20 David Edelsohn <edelsohn@gnu.org>
15269 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
15270 is operand of switch, not str[0].
15272 2006-03-20 Alan Modra <amodra@bigpond.net.au>
15274 * config/rs6000/rs6000.c (rs6000_handle_option): Use
15275 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
15277 2006-03-19 David Edelsohn <edelsohn@gnu.org>
15279 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
15280 end of insn_extra_address_constraint declaration.
15282 2006-03-19 David Edelsohn <edelsohn@gnu.org>
15284 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
15285 (no-sum-in-toc): Same.
15286 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
15288 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
15289 NO_FP_IN_TOC for -fPIC instead of mask.
15291 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
15292 (BOOT_LDFLAGS): Delete.
15294 * config/rs6000/t-aix52: Same.
15296 * config/rs6000/rs6000.md (store_multiple_power): Delete.
15297 (stmsi[345678]_power): New.
15299 2006-03-17 Steve Ellcey <sje@cup.hp.com>
15301 * config/ia64/ia64.opt: Add empty line to end of file.
15303 2006-03-17 Richard Guenther <rguenther@suse.de>
15305 PR middle-end/26721
15306 * builtins.c (get_pointer_alignment): For component style references
15307 adjust alignment to the component type alignment. Make sure
15308 to adjust alignment for component access of constants.
15310 2006-03-17 David Edelsohn <edelsohn@gnu.org>
15312 * config/rs6000/rs6000.md (strlensi): Emit barrier after
15313 unconditional jump.
15315 2006-03-17 Paul Brook <paul@codesourcery.com>
15317 * doc/install.texi: Docuemnt --with-mode.
15318 * config.gcc: Add --with-mode for arm*-*-*.
15319 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
15321 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
15323 * sh.c (max_labelno_before_reorg): New variable.
15324 (sh_reorg): Initialize it.
15325 (find_barrier): Check max_labelno_before_reorg before using
15326 label_to_alignment. Take length of explicit alignment insns
15327 into account. When seeing a UNSPECV_CONST_END, return it.
15329 * sh.c (fixup_mova): Set mode of affected label to QImode.
15330 (untangle_mova): New function.
15331 (find_barrier): Use it. Check mode of label before decrementing
15333 (sh_reorg): Likewise.
15334 Set mode of all insns back to VOIDmode.
15336 * sh.c (MOVA_LABELREF): New macro.
15337 (mova_p, fixup_mova, sh_reorg): Use it.
15338 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
15339 ADDR_DIFF_VEC matches mova.
15341 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
15343 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
15344 with ATTRIBUTE_UNUSED.
15346 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
15348 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
15349 pointer, instead of assuming it is possible to derive the
15350 correct args size from a call insn.
15352 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
15354 * rtl.h (CONST_INT_P): Define.
15355 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
15356 instead of GET_CODE(x) == CONST_INT.
15357 (vax_rtx_costs): Likewise.
15358 (vax_output_int_move): Likewise.
15359 (vax_output_int_add): Likewise.
15360 (legitimate_constant_address_p): Likewise.
15361 (index_term_p): Likewise.
15362 * config/vax/vax.h (PRINT_OPERAND): Likewise.
15363 * config/vax/vax.md (and<mode>3): Likewise.
15364 (ashrsi3): Likewise.
15366 (movstricthi): Likewise.
15367 (movstrictqi): Likewise.
15368 (rotrsi3): Likewise.
15369 (five unnamed insns): Likewise.
15371 2006-03-16 Geoffrey Keating <geoffk@apple.com>
15373 * doc/tm.texi (SDB and DWARF): Add extra parameter to
15374 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
15375 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
15376 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
15377 Pass to ASM_OUTPUT_DWARF_OFFSET.
15378 * dwarf2out.c (debug_frame_section): New.
15379 (output_call_frame_info): Use debug_frame_section. Pass it to
15380 dw2_asm_output_offset.
15381 (output_die): Pass appropriate section to dw2_asm_output_offset.
15382 (output_compilation_unit_header): Likewise.
15383 (output_pubnames): Likewise.
15384 (output_aranges): Likewise.
15385 (enum dw_val_class): Break dw_val_class_lbl_offset into
15386 dw_val_class_lineptr and dw_val_class_macptr.
15387 (add_AT_lbl_offset): Delete.
15388 (add_AT_lineptr): New.
15389 (add_AT_macptr): New.
15390 (AT_lbl): Expect a lineptr or macptr.
15391 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
15392 (attr_checksum): Likewise.
15393 (same_dw_val_p): Likewise.
15394 (size_of_die): Likewise.
15395 (value_format): Likewise.
15396 (output_die): Likewise.
15397 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
15399 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
15400 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
15401 * config/darwin-protos.h (darwin_file_start): New.
15402 (darwin_asm_output_dwarf_offset): New.
15403 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
15404 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
15406 * config/darwin.c (darwin_emit_unwind_label): Don't output label
15407 if not EH section; simplify.
15408 (darwin_file_start): New.
15409 (darwin_asm_output_dwarf_offset): New.
15410 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
15412 (DEBUG_INFO_SECTION): Likewise.
15413 (DEBUG_ABBREV_SECTION): Likewise.
15414 (DEBUG_ARANGES_SECTION): Likewise.
15415 (DEBUG_MACINFO_SECTION): Likewise.
15416 (DEBUG_LINE_SECTION): Likewise.
15417 (DEBUG_LOC_SECTION): Likewise.
15418 (DEBUG_PUBNAMES_SECTION): Likewise.
15419 (DEBUG_STR_SECTION): Likewise.
15420 (DEBUG_RANGES_SECTION): Likewise.
15421 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
15422 (ASM_OUTPUT_DWARF_OFFSET): New.
15424 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
15426 * config.gcc (tm_defines): Always add to previous value rather
15429 2006-03-16 Richard Sandiford <richard@codesourcery.com>
15431 * config/mips/predicates.md (splittable_const_int_operand): New,
15432 split from move_operand.
15433 (splittable_symbolic_operand): New.
15434 (move_operand): Add commentary. Use splittable_const_int_operand.
15435 Inline mips_atomic_symbolic_constant_p.
15436 * config/mips/mips.md: Add combine splitters for handling moves
15437 of splittable_const_int_operands and splittable_symbolic_operands.
15438 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
15439 (mips_split_symbol): Declare.
15440 (mips_move_integer): Declare.
15441 * config/mips/mips.c (mips_split_p): Make global.
15442 (TARGET_MIN_ANCHOR_OFFSET): Override default.
15443 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
15444 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
15445 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
15446 (mips_offset_within_object_p): Handle block symbols.
15447 (mips_atomic_symbolic_constant_p): Delete.
15448 (mips_cannot_force_const_mem): Return false for constants that
15449 mips_legitimize_move can handle.
15450 (mips_use_blocks_for_constant_p): New function.
15451 (mips_split_symbol): Make global.
15452 (mips_move_integer): Likewise. Add a temporary register argument.
15453 (mips_legitimize_const_move): Use splittable_const_int_operand and
15454 splittable_symbolic_operand.
15455 (mips_use_anchors_for_symbol_p): New function.
15456 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
15457 (mips_split_p): Declare.
15459 2006-03-16 Richard Sandiford <richard@codesourcery.com>
15461 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
15462 (mips*-*-linux*): Likewise.
15464 2006-03-16 Roger Sayle <roger@eyesopen.com>
15465 Daniel Speyer <dspeyer@wam.umd.edu>
15467 PR middle-end/18259
15468 * tree-dump.c (dump_real): New function.
15469 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
15470 * Makefile.in (REAL_H): New macro for dependencies on real.h.
15471 (tree-dump.o): Add $(REAL_H) to the dependencies.
15473 2006-03-16 Roger Sayle <roger@eyesopen.com>
15475 PR middle-end/21781
15476 * real.c (real_from_string): If the mantissa is zero, don't bother
15477 parsing the exponent as the result should always be zero.
15479 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
15481 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
15483 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15485 * config/ia64/ia64.c (stops_p): Added explicit initialization.
15486 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
15487 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
15488 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
15489 ia64_sched_finish_global): New static functions to implement
15490 hooks from gcc_target.sched.
15491 (spec_check_no, max_uid, pending_data_specs): New static variables.
15492 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
15493 ia64_spec_check_src_p): New static functions.
15494 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
15495 (TARGET_SCHED_ADJUST_COST): Removed.
15496 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
15497 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
15498 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
15499 TARGET_SCHED_GEN_CHECK,
15500 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15501 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
15502 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
15503 Fixed to handle speculation checks.
15504 (rtx_needs_barrier): Fixed to handle speculative loads and
15506 (ia64_variable_issue): Added code to count speculative loads and their
15508 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
15510 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
15512 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
15514 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
15515 (ia64_reorg): Reset stops_p to NULL after it is freed.
15516 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
15517 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
15518 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
15520 (data_speculative, control_speculative, check_load): New attributes.
15521 (mov<mode>_advanced, mov<mode>_speculative,
15522 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
15523 zero_extend<mode>di2_speculative,
15524 zero_extend<mode>di2_speculative_advanced): New patterns for
15525 data and control speculative loads.
15526 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
15528 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
15529 New pattern for data and control speculation checks.
15530 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
15531 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
15532 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
15533 Auxiliary definitions for the patterns.
15534 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
15535 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
15537 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
15539 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
15540 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
15541 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
15542 New resource constraints.
15543 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
15545 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
15546 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
15547 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
15548 msched-in-control-spec, msched-ldc, msched-control-ldc,
15549 msched-spec-verbose, msched-prefer-non-data-spec-insns,
15550 msched-prefer-non-control-spec-insns,
15551 msched-count-spec-in-critical-path): New flags to tune speculative
15553 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
15554 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
15555 msched-in-control-spec, msched-ldc, msched-control-ldc,
15556 msched-spec-verbose, msched-prefer-non-data-spec-insns,
15557 msched-prefer-non-control-spec-insns,
15558 msched-count-spec-in-critical-path): Document new flags.
15560 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15562 * target.h (struct spec_info_def): New opaque declaration.
15563 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
15564 speculate_insn, needs_block_p, gen_check,
15565 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
15566 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
15567 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
15568 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
15569 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15570 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
15572 (TARGET_SCHED): Use new macros.
15573 * rtl.h (copy_DEPS_LIST_list): New prototype.
15574 * sched-int.h (struct sched_info): Change signature of new_ready field,
15575 adjust all initializations. New fields: add_remove_insn,
15576 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
15577 region_head_or_leaf_p.
15578 (struct spec_info_def): New structure declaration.
15579 (spec_info_t): New typedef.
15580 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
15581 recovery_block, orig_pat.
15582 (glat_start, glat_end): New variables declaraions.
15583 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
15585 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
15586 DETACH_LIFE_INFO, USE_GLAT.
15587 (enum SPEC_SCHED_FLAGS): New enumeration.
15588 (NOTE_NOTE_BB_P): New macro.
15589 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
15590 attach_life_info, debug_spec_status, check_reg_live): New functions.
15591 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
15592 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
15594 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
15595 * ddg.c (get_block_head_tail): Adjust all uses.
15596 * modulo-sched.c (get_block_head_tail): Adjust all uses.
15597 (sms_sched_info): Initialize new fields.
15598 (contributes_to_priority): Removed.
15599 * haifa-sched.c (params.h): New include.
15600 (get_block_head_tail): Adjust all uses.
15601 (ISSUE_POINTS): New macro.
15602 (glat_start, glat_end): New global variables.
15603 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
15604 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
15605 old_last_basic_block, before_recovery, current_sched_info_var,
15606 rgn_n_insns, luid): New static variables.
15607 (insn_cost1): New function. Move logic from insn_cost to here.
15608 (find_insn_reg_weight1): New function. Move logic from
15609 find_insn_reg_weight to here.
15610 (reemit_notes, move_insn, max_issue): Change signature.
15611 (move_insn1): Removed.
15612 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
15613 extend_bb): New static functions to support extension of scheduler's
15615 (generate_recovery_code, process_insn_depend_be_in_spec,
15616 begin_speculative_block, add_to_speculative_block,
15617 init_before_recovery, create_recovery_block, create_check_block_twin,
15618 fix_recovery_deps): New static functions to support
15619 generation of recovery code.
15620 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
15621 restore_bb_notes, move_block_after_check, move_succs): New static
15622 functions to support ebb scheduling.
15623 (init_glat, init_glat1, attach_life_info1, free_glat): New static
15624 functions to support handling of register live information.
15625 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
15626 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
15627 add_jump_dependencies): New static functions.
15628 (check_cfg, has_edge_p, check_sched_flags): New static functions for
15629 consistancy checking.
15630 (debug_spec_status): New function to call from debugger.
15631 (priority): Added code to handle speculation checks.
15632 (rank_for_schedule): Added code to distinguish speculative instructions.
15633 (schedule_insn): Added code to handle speculation checks.
15634 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
15635 Fixed to handle ebbs.
15636 (move_insn): Added code to handle ebb scheduling.
15637 (max_issue): Added code to use ISSUE_POINTS of instructions.
15638 (choose_ready): Added code to choose between speculative and
15639 non-speculative instructions.
15640 (schedule_block): Added code to handle ebb scheduling and scheduling of
15641 speculative instructions.
15642 (sched_init): Initialize new variables.
15643 (sched_finish): Free new variables. Print statistics.
15644 (try_ready): Added code to handle speculative instructions.
15645 * lists.c (copy_DEPS_LIST_list): New function.
15646 * sched-deps.c (extend_dependency_caches): New function. Move logic
15647 from create_dependency_caches to here.
15648 (get_dep_weak, ds_merge): Make global.
15649 * genattr.c (main): Code to output prototype for
15650 dfa_clear_single_insn_cache.
15651 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
15652 (output_dfa_clean_insn_cache_func): Code to output
15653 dfa_clear_single_insn_cache function.
15654 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
15656 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
15658 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
15659 New static variables.
15660 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
15661 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
15663 (ebb_sched_info): Initialize new fields.
15664 (get_block_head_tail): Adjust all uses.
15665 (compute_jump_reg_dependencies): Fixed to use glat_start.
15666 (schedule_ebb): Code to remove unreachable last block.
15667 (schedule_ebbs): Added code to update register live information.
15668 * sched-rgn.c (region_sched_info): Initialize new fields.
15669 (get_block_head_tail): Adjust all uses.
15670 (last_was_jump): Removed. Adjust users.
15671 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
15672 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
15673 Implement new hooks.
15674 (check_dead_notes1): New static function.
15675 (struct region): New fields: dont_calc_deps, has_real_ebb.
15676 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
15677 (BB_TO_BLOCK): Fixed to handle EBBs.
15678 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
15679 (ebb_head): New static variable.
15680 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
15681 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
15683 (compute_dom_prob_ps): New assertion.
15684 (check_live_1, update_live_1): Fixed to work with glat_start instead of
15685 global_live_at_start.
15686 (init_ready_list): New assertions.
15687 (can_schedule_ready_p): Split update code to begin_schedule_ready.
15688 (new_ready): Add support for BEGIN_CONTROL speculation.
15689 (schedule_insns): Fixed code that updates register live information
15691 (schedule_region): Fixed to handle EBBs.
15692 (init_regions): Use extend_regions and check_dead_notes1.
15693 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
15694 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
15695 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
15696 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
15697 TARGET_SCHED_GEN_CHECK,
15698 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15699 TARGET_SCHED_SET_SCHED_FLAGS): Document.
15700 * doc/invoke.texi (max-sched-insn-conflict-delay,
15701 sched-spec-prob-cutoff): Document.
15703 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15705 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
15706 inter_tick, queue_index.
15707 (struct sched_info): Change signature of init_ready_list field.
15708 Adjust all initializations.
15709 (RESOLVED_DEPS): New access macro.
15710 (ready_add): Remove prototype.
15711 (try_ready): Add prototype.
15712 * sched-rgn.c (init_ready_list): Use try_ready.
15713 (schedule_region): Initialize
15714 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
15715 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
15716 (init_ready_list): Use try_ready.
15717 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
15718 * lists.c (remove_list_elem): Remove `static'.
15719 (remove_free_INSN_LIST_elem): New function.
15720 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
15721 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
15722 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
15724 (readyp): New variable.
15725 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
15726 change_queue_index, resolve_dep): New static functions.
15727 (try_ready): New function. Adjust callers in sched-rgn.c and
15728 sched-ebb.c to use it instead of ready_add.
15729 (clock_var): Move at the begining of file.
15730 (rank_for_schedule): Fix typo.
15731 (queue_insn): Add assertion. Handle QUEUE_INDEX.
15732 (ready_lastpos): Enforce assertion.
15733 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
15734 update all callers.
15735 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
15736 (schedule_insn): Rewrite to use try_ready and resolve_dep.
15737 (queue_to_ready): Use free_INSN_LIST_list.
15738 (early_queue_to_ready): Fix typo.
15739 (schedule_block): Init readyp. Move init_ready_list call after the
15740 initialization of clock_var. Fix error in rejecting insn by
15741 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
15742 that previously corrected INSN_TICKs. Add code for handling
15744 (set_priorities): Fix typo.
15745 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
15746 Clarify comment and code that keeps current_sched_info->next_tail
15749 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15751 * sched-rgn.c (extend_rgns): New static function.
15752 (find_rgns): Use it.
15753 (gather_region_statistics, print_region_statistics): New static
15755 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
15756 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
15758 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15759 Andrey Belevantsev <abel@ispras.ru>
15761 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
15762 * lists.c (unused_deps_list): New variable.
15763 (free_list): Add assertions to verify the proper distinguishing
15764 between INSN_LISTs and DEPS_LISTs.
15765 (find_list_elem, remove_list_elem, remove_list_node): New static
15767 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
15768 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
15769 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
15770 (alloc_INSN_LIST): Assert that the list we're working on is indeed
15772 (free_INSN_LIST_node): Likewise.
15773 * modulo-sched.c (current_sched_info): Initialize flags field.
15774 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
15775 * rtl.def (DEPS_LIST): Define.
15776 * rtl.h: Declare new functions from lists.c.
15777 * sched-deps.c (spec_dependency_cache): New static variable.
15778 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
15779 (add_dependence): Change return type to void. Move the logic to ...
15780 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
15781 (delete_all_dependences): Add comment about forward_dependency_cache.
15782 Handle spec_dependency_cache. Handle DEPS_LISTs.
15783 (fixup_sched_groups): Clarify the change of priority of output
15784 and anti dependencies.
15785 (sched_analyze_2): Adjust add_dependence calls to create data
15786 speculative dependence.
15787 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
15788 Adjust all callers. Handle DEPS_LISTS.
15789 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
15790 presence of speculation.
15791 (init_dependency_caches, free_dependency_caches):
15792 Handle spec_dependency_cache.
15793 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
15794 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
15795 New static functions.
15796 (add_or_update_back_dep, add_or_update_back_forw_dep,
15797 add_back_forw_dep, delete_back_forw_dep): New functions.
15798 * sched-int.h (ds_t, dw_t): New typedefs.
15799 (struct sched_info): Add new field flags.
15800 (struct haifa_insn_data): Add new bitfield has_internal_dep.
15801 Prototype new sched-deps.c functions.
15802 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
15803 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
15804 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
15805 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
15806 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
15807 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
15809 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
15811 * sched-rgn.c (current_sched_info): Initialize flags field.
15812 (schedule_insns): Initialize current_sched_info before the sched_init
15814 * sched-ebb.c (current_sched_info): Initialize flags field.
15815 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
15816 Call add_or_update_back_dep instead of add_dependence.
15817 Create control speculative dependencies.
15818 (schedule_insns): Initialize current_sched_info before the sched_init
15821 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
15823 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
15825 (sh_fallback_frame_state): Likewise.
15827 2006-03-15 Geoffrey Keating <geoffk@apple.com>
15829 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
15830 Do switch on default_use_cxa_atexit.
15831 (powerpc*-*-darwin*): Build crt2.o on powerpc.
15832 * config/darwin-crt3.o: New.
15833 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
15834 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
15835 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
15837 * config/rs6000/t-darwin: Move crt2.o building to here.
15838 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
15839 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
15842 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
15844 * config/vax/vax.c (nonindexed_address_p): Change logical negation
15845 from '! xxx' to '!xxx' for coding-style conformance.
15846 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
15847 (EXTRA_CONSTRAINT): Likewise.
15848 * config/vax/vax.md (four unnamed insns): Likewise.
15850 2006-03-15 Paul Brook <paul@codesourcery.com>
15852 * config/arm/arm.c (minipool_pad): New.
15853 (add_minipool_forward_ref): Include pool alignment padding in address
15855 (push_minipool_fix): Set minipool_pad.
15856 (minipool_pad): Ditto.
15858 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
15860 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
15861 instead of GET_CODE() == MEM and REG_P() instead of
15863 (print_operand_address): Likewise.
15864 (vax_address_cost): Likewise.
15865 (vax_rtx_costs): Likewise.
15866 (vax_notice_update_cc): Likewise.
15867 (vax_output_int_add): Likewise.
15868 (INDEX_REGISTER_P): Likewise.
15869 (BASE_REGISTER_P): Likewise.
15870 (nonindexed_address_p): Likewise.
15871 (vax_mode_dependent_address_p): Likewise.
15872 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
15873 (PRINT_OPERAND): Likewise.
15874 * config/vax/vax.md (ashlsi3): Likewise.
15875 (ashlsi3): Likewise.
15876 (some more unnamed insns): Likewise.
15878 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
15880 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
15881 iterator-style macro.
15882 (mark_control_dependent_edges_necessary): Update the use of
15883 EXECUTE_IF_CONTROL_DEPENDENT.
15885 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
15887 * config/sh/predicates.md (cache_address_operand): Special.
15888 (ua_address_operand): Likewise.
15890 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
15892 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
15894 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
15896 2006-03-15 Andreas Schwab <schwab@suse.de>
15898 * gensupport.c (identify_predicable_attribute): Don't free p_false
15899 when it is still in use.
15901 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
15903 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
15904 the default setting here.
15906 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
15908 * tree-pass.h (pass_cfg): Remove.
15909 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
15910 * passes.c (pass_cfg): Don't run it.
15912 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
15914 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
15915 * reg-stack.c (stack_regs_mentioned_data): Change the type to
15917 (stack_regs_mentioned): Update the uses of
15918 stack_regs_mentioned_data. Don't access the array beyond its
15920 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
15921 Don't include gt-reg-stack.h.
15923 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
15924 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
15926 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
15928 PR middle-end/26684
15929 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
15932 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15934 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
15936 2006-03-14 Richard Guenther <rguenther@suse.de>
15938 PR tree-optimization/26672
15939 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
15942 2006-03-14 Richard Guenther <rguenther@suse.de>
15944 PR tree-optimization/26667
15945 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
15946 node for the callees. Always allow inlining if it will shrink
15949 2006-03-14 Richard Guenther <rguenther@suse.de>
15951 PR middle-end/26659
15952 * builtins.c (get_pointer_alignment): Prefer alignment
15953 information from decls over that from types.
15955 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
15958 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
15960 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
15962 * config/rs6000/rs6000.opt (mdlmzb): New option.
15963 (msched-prolog, msched-epilog): Use Var not Mask.
15964 * doc/invoke.texi (-mdlmzb): Document.
15965 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
15967 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
15968 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
15970 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
15972 PR rtl-optimization/25739
15973 * bt-load.c (augment_live_range): Free tos pointer.
15975 * gensupport.c (identify_predicable_attribute): Free
15977 * gcov.c (create_file_names): Free name pointer.
15979 2006-03-13 Roger Sayle <roger@eyesopen.com>
15981 PR middle-end/26557
15982 * stmt.c (emit_case_nodes): Handle the case where the index is a
15983 CONST_INT, where the comparison mode is specified by the index type.
15985 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15987 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
15990 2006-03-13 Richard Sandiford <richard@codesourcery.com>
15992 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
15993 (*branch_fp_inverted): Likewise.
15995 2006-03-13 Jakub Jelinek <jakub@redhat.com>
15997 PR middle-end/25989
15998 * omp-low.c (expand_omp_for_generic): Mark istart0
15999 and iend0 as addressable.
16001 2006-03-13 Jie Zhang <jie.zhang@analog.com>
16003 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
16005 2006-03-13 Jeff Law <law@redhat.com>
16007 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
16008 virtual operands are interesting.
16009 (vrp_visit_stmt): Corresponding changes.
16011 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
16013 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
16015 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
16016 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
16017 * config/bfin/crti.S: Use it instead of __PIC__.
16018 * config/bfin/crtn.S: Likewise.
16020 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
16021 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
16023 Lose 'G' modifier for call operand.
16024 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
16025 recognize 'G' modifier.
16027 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
16029 PR middle-end/18859
16030 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
16031 * stmt.c (expand_case): Likewise.
16033 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16035 PR rtl-optimization/26254
16036 * loop-invariant.c (seq_insns_valid_p): New function.
16037 (move_invariant_reg): Only emit new code if it is valid.
16039 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16041 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
16043 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
16044 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
16045 (commit_one_edge_insertion): Do not look for loop notes.
16047 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16049 * jump.c (follow_jumps): Do not check for loop notes. Move check for
16050 flag_test_coverage out of loop.
16052 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16054 * final.c (shorten_branches): Remove outdated comment, and turn
16055 the if branch that guards it to continue.
16057 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16059 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
16060 * cfgloop.h (struct loop): Remove unused fields.
16062 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
16064 * doc/invoke.texi (-fdump-rtl-loop): Remove.
16065 (-dL, -fdump-rtl-loop2): Update the dump file names
16067 * doc/invoke.texi: Update dump file names.
16069 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
16071 * predict.c (estimate_probability): Remove.
16072 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
16073 * basic-block.h (estimate_probability): Remove prototype.
16074 * passes.c (finish_optimization_passes): Dump branch prediction or
16075 profiling heuristics to the .profile tree dump.
16076 (init_optimization_passes): Unqueue pass_branch_prob.
16078 * doc/invoke.texi (-fdump-rtl-bp): Remove.
16080 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
16082 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
16083 * rtl.h (LABEL_NEXTREF): Remove field accessor.
16085 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
16087 * function.h (frame_offset_overflow): Declare.
16088 * function.c (frame_offset_overflow): New function.
16089 (assign_stack_local_1): Call it to detect that the offset overflows.
16090 * cfgexpand.c (alloc_stack_frame_space): Likewise.
16092 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
16094 * config/sh/sh.c: Include alloc-pool.h.
16095 (label_ref_list_pool): New alloc pool.
16096 (label_ref_list_t): New type for lists of labels.
16097 (struct pool_node): Make wend a label_ref_list_t.
16098 (add_constant): Use the new type, eradicate LABEL_NEXTREF
16100 (dump_table): Likewise.
16101 (sh_reorg): Set up the alloc pool before using add_constant and
16102 dump_table, and destroy it when finishing.
16104 2006-03-11 Richard Sandiford <richard@codesourcery.com>
16106 * config/mips/mips.c: Remove redundant comment.
16108 2006-03-10 Jason Merrill <jason@redhat.com>
16111 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
16112 the target was declared 'register'.
16114 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
16116 * genpreds.c (write_insn_constraint_len): Change definition of
16117 insn_constraint_len to return size_t to match the declaration.
16119 2006-03-10 DJ Delorie <dj@redhat.com>
16121 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
16123 (m32c_expand_insv): Fix test for an AND mask.
16125 2006-03-10 Richard Guenther <rguenther@suse.de>
16127 PR middle-end/26565
16128 * builtins.c (get_pointer_alignment): Handle component
16129 references for field alignment.
16131 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
16133 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
16134 when building with libgloss.
16135 (sh*elf): Implement --without-fp option.
16136 (sh64-superh-linux*): Don't multilib.
16138 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
16140 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
16142 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
16144 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
16145 Set it when one of the replacement functions returned true.
16146 Return TODO_cleanup_cfg if cfgchanged is true.
16147 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
16149 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
16151 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
16152 instead of gen_lowpart.
16154 2006-03-09 Richard Sandiford <richard@codesourcery.com>
16156 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
16158 (mips_output_order_conditional_branch): Declare.
16159 * config/mips/mips.h (MIPS_BRANCH): New macro.
16160 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
16161 for the comparison. Use gen_condjump.
16162 (mips_output_conditional_branch): Rework interface to take the
16163 asm templates for a direct branch and the inverse of a direct branch.
16164 (mips_output_order_conditional_branch): New function.
16165 (mips_builtin_branch_and_move): New function.
16166 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
16167 branch condition. Use gen_single_cc as the condition for
16168 __builtin_mips_upper_* or __builtin_mips_lower_*.
16169 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
16170 Use VOIDmode for the branch condition.
16171 * config/mips/predicates.md (order_operator): New predicate.
16172 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
16173 (branch_fp): Rename to...
16174 (*branch_fp): ...this. Remove mode from comparison operator.
16175 Use new mips_output_conditional_branch interface.
16176 (branch_fp_inverted): Rename to...
16177 (*branch_fp_inverted): ...this and update as for *branch_fp.
16178 (*branch_zero<mode>): Rename to...
16179 (*branch_order<mode>): ...this. Remove mode from comparison operator.
16180 Use mips_output_order_conditional_branch. Only accept ordered
16182 (*branch_zero<mode>_inverted): Rename to...
16183 (*branch_order<mode>_inverted): ...this and update as for
16184 *branch_order<mode>.
16185 (*branch_equality<mode>): Accept zero as the second operand to
16186 the equality operator. Use the new mips_output_conditional_branch
16188 (*branch_equality<mode>_inverted): Likewise.
16189 (condjump): New expander.
16190 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
16192 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
16193 (bc1any2t, bc1any2f): Likewise.
16194 (single_cc): New expander.
16195 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
16197 2006-03-09 Richard Sandiford <richard@codesourcery.com>
16199 * doc/md.texi: Update documentation of MIPS constraints.
16200 * config/mips/constraints.md: New file.
16201 * config/mips/mips.md: Include it.
16202 * config/mips/mips.c (mips_char_to_class): Delete.
16203 (override_options): Don't initialize mips_char_to_class.
16204 * config/mips/mips.h (mips_char_to_class): Delete.
16205 (REG_CLASS_FROM_LETTER): Delete.
16206 (CONST_OK_FOR_LETTER_P): Delete.
16207 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
16208 (EXTRA_CONSTRAINT_Y): Delete.
16209 (EXTRA_CONSTRAINT_STR): Delete.
16210 (CONSTRAINT_LEN): Delete.
16211 (EXTRA_MEMORY_CONSTRAINT): Delete.
16213 2006-03-09 Diego Novillo <dnovillo@redhat.com>
16215 * tree-cfg.c (move_block_to_fn): Remove the statements from the
16216 original fn's eh regions.
16218 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
16220 * fold-const.c (build_range_check): Make sure to use a valid type to
16221 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
16224 (range_predecessor): New static function.
16225 (range_successor): Likewise.
16226 (merge_ranges): Use them to compute predecessors and successors of
16229 2006-03-09 Roger Sayle <roger@eyesopen.com>
16231 PR middle-end/26561
16232 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
16233 X op C3, consider whether C3 overflows towards +Inf or -Inf.
16235 2006-03-08 DJ Delorie <dj@redhat.com>
16237 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
16238 (addpsi3): Expand to include memory operands. Remove
16239 reload-specific splits.
16240 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
16241 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
16242 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
16243 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
16244 (shift1_qi, shift1_hi, insv): New.
16245 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
16246 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
16247 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
16249 * config/m32c/m32c-protos.h: Update as needed.
16250 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
16251 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
16252 Fail for unrecognized R* constraints.
16253 (m32c_cannot_change_mode_class): Be more picky about pseudos.
16254 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
16255 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
16257 (m32c_init_libfuncs): New.
16258 (m32c_legitimate_address_p): Add debug wrapper.
16259 (m32c_rtx_costs): New.
16260 (m32c_address_cost): New.
16261 (conversions): Add 'B' prefix.
16262 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
16263 operands, or word regnames for QI operands. 'B' prints bit
16265 (m32c_expand_setmemhi): New.
16266 (m32c_expand_movmemhi): New.
16267 (m32c_expand_movstr): New.
16268 (m32c_expand_cmpstr): New.
16269 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
16270 (m32c_expand_neg_mulpsi3): Handle non-ints.
16271 (m32c_cmp_flg_0): New.
16272 (m32c_expand_movcc): New.
16273 (m32c_expand_insv): New.
16274 (m32c_scc_pattern): New.
16275 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
16276 a0/a1 out of SIregs.
16277 (STORE_FLAG_VALUE): New.
16278 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
16281 * config/m32c/mov.md: Make constraints more liberal.
16282 (zero_extendqihi2): Optimize r0/r1 case.
16283 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
16284 * config/m32c/predicates.md (m32c_any_operand): New.
16285 (m32c_nonimmediate_operand): New.
16286 (m32c_hl_operand): New.
16287 (m32c_r3_operand): New.
16290 (memsym_operand): New.
16291 (memimmed_operand): New.
16292 (a_qi_operand): New.
16293 (m32c_eqne_operator): New.
16294 (m32c_1bit8_operand): New.
16295 (m32c_1bit16_operand): New.
16296 (m32c_1mask8_operand): New.
16297 (m32c_1mask16_operand): New.
16298 * config/m32c/blkmov.md: New file.
16299 * config/m32c/t-m32c (MD_FILES): Add blkmov.
16301 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
16303 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
16304 unsigned to fix signed/unsigned comparison issue in
16305 DWARF2_FRAME_REG_OUT.
16306 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
16307 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
16309 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
16310 of ptr into the ENABLE_CHECKING section.
16312 2006-03-08 Jeff Law <law@redhat.com>
16314 * tree-vrp.c (infer_value_range): Only count pointer uses
16315 and dereferences if -fdelete-null-pointer-checks is enabled.
16317 * tree-vrp.c (find_assert_locations): Infer value ranges for
16318 single use pointers, but do not create ASSERT_EXPRs for them.
16319 When a non-null range is inferred for a pointer, backwards
16320 propagate that range to other equivalent pointers through the
16323 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
16326 * Makefile.in (dvi, html, install-info): Invoke the corresponding
16327 language hook targets.
16328 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
16329 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
16330 if language hook targets were missing.
16332 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
16334 * tree-ssa-opfinalize.h: Removed.
16335 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
16337 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
16338 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
16339 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
16340 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
16341 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
16342 finalize_ssa_v_must_def_ops): New.
16344 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
16346 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
16347 block as parameter.
16349 2006-03-07 Geoffrey Keating <geoffk@apple.com>
16351 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
16353 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
16354 addresses with offsets; reorganize.
16356 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
16357 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
16358 (expand_builtin_init_dwarf_reg_sizes): Likewise.
16360 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
16363 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
16365 2006-03-08 Ben Elliston <bje@au.ibm.com>
16367 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
16369 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
16372 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
16375 2006-03-07 Richard Guenther <rguenther@suse.de>
16377 PR tree-optimization/26587
16378 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
16380 2006-03-07 Richard Sandiford <richard@codesourcery.com>
16382 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
16384 2006-03-07 Richard Sandiford <richard@codesourcery.com>
16386 * hooks.c (hook_bool_mode_rtx_true): New function.
16387 * hooks.h (hook_bool_mode_rtx_true): Declare.
16388 * toplev.c (compile_file): Call output_shared_constant_pool.
16389 * varasm.c (shared_constant_pool): New variable.
16390 (assemble_start_function, assemble_end_function): Remove arguments
16391 from call to output_constant_pool.
16392 (create_constant_pool): New function, split out from...
16393 (init_varasm_status): ...here.
16394 (force_const_mem): Choose between the shared and per-function constant
16395 pools. Set current_function_uses_const_pool when reusing old entries
16396 as well as when creating new ones.
16397 (mark_constant): Ignore data argument.
16398 (mark_constants): Remove pool argument.
16399 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
16400 to decide whether the function uses a constant pool.
16401 (output_constant_pool_contents): New function, split out from...
16402 (output_constant_pool): ...here.
16403 (output_shared_constant_pool): New function.
16404 (init_varasm_once): Initialize shared_constant_pool.
16405 * output.h (output_constant_pool): Delete.
16406 (output_shared_constant_pool): Declare.
16407 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
16408 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
16410 2006-03-06 Nick Clifton <nickc@redhat.com>
16412 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
16413 flag_strength_reduce.
16415 2006-03-06 Ben Elliston <bje@au.ibm.com>
16417 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
16418 x86_64-*-linux* configurations.
16420 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
16421 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
16423 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16425 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
16427 * basic-block.h: Remove the extern for
16428 rediscover_loops_after_threading.
16430 * cfgloop.c (cancel_loop): Make it static.
16431 * cfgloop.h: Remove the prototype for cancel_loop.
16433 * flow.c (recompute_reg_usage): Make it static.
16434 * rtl.h: Remove the prototype for recompute_reg_usage.
16436 * function.c (use_return_register): Make it static.
16437 * function.h: Remove the prototype.
16439 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16441 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
16443 * recog.h: Remove the prototype for
16444 validate_change_maybe_volatile.
16446 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16448 * rtlanal.c (replace_reg): Remove.
16449 * rtl.h: Remove the prototype for replace_reg.
16451 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16453 * regclass.c (reg_scan_update): Remove.
16454 (reg_scan_mark_refs): Remove the last argument.
16455 * rtl.h: Remove the prototype for reg_scan_update.
16457 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16459 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
16460 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
16461 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
16462 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
16463 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
16464 loop-invariant.c, omp-low.c, opts.c, passes.c,
16465 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
16466 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
16467 tree-ssa-structalias.c, tree-ssa-threadedge.c,
16468 tree-ssa-threadupdate.c, tree-vect-patterns.c,
16469 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
16470 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
16472 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16474 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
16475 * dwarf2out.h: Remove the prototype for
16476 dwarf2out_add_library_unit_info.
16478 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16480 * tree.c (add_var_to_bind_expr): Remove.
16481 * tree.h: Remove the prototype for add_var_to_bind_expr.
16483 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16485 * regclass.c (n_non_fixed_regs): Remove.
16486 (init_reg_sets_1, globalize_reg): Remove all uses of
16488 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
16490 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16492 * rtlanal.c (insns_safe_to_move_p): Remove.
16493 * rtl.h: Remove the prototype for insns_safe_to_move_p.
16495 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16497 * expmed.c (expand_mult_add): Remove.
16498 * expr.h: Remove the prototype for expand_mult_add.
16500 2006-03-04 Jakub Jelinek <jakub@redhat.com>
16502 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
16503 and REG_SAVED_VAL_EXP constants.
16504 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
16505 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
16506 Handle regs stored by value.
16507 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
16508 (execute_cfa_program): Handle DW_CFA_val_offset,
16509 DW_CFA_val_offset_sf and DW_CFA_val_expression.
16510 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
16511 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
16512 (uw_install_context_1): Handle target regs stored by value.
16514 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
16516 * tree-sra.c (tree_sra): Return todoflags;
16517 (generate_one_element): Set TODO_update_smt_usage if needed.
16518 (pass_sra): Remove TODO_update_smt_usage.
16519 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
16521 (tree_ssa_forward_propagate_single_use_vars): Return
16522 TODO_update_smt_usage if we need to update SMT usage.
16523 (pass_forwprop): Remove TODO_update_smt_usage.
16525 2006-03-03 Diego Novillo <dnovillo@redhat.com>
16527 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
16528 (correct_use_link): Remove reference to get_stmt_operands.
16529 (update_stmt_operands): Likewise.
16530 (get_modify_expr_operands): New function factored out of
16531 parse_ssa_operands and get_expr_operands.
16532 Try to create V_MUST_DEFs for LHS by default.
16533 (get_expr_operands) <case MODIFY_EXPR>: Call
16534 get_modify_expr_operands.
16535 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
16536 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
16537 (parse_ssa_operands) <case MODIFY_EXPR>: Call
16538 get_modify_expr_operands.
16540 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
16542 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
16543 * tree-flow.h: Remove the prototype for
16544 referenced_var_lookup_if_exists.
16546 2006-03-03 Steve Ellcey <sje@cup.hp.com>
16548 PR rtl-optimization/26345
16550 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
16552 2006-03-03 Roger Sayle <roger@eyesopen.com>
16554 PR tree-optimization/26524
16555 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
16556 fold_convert to create a constant of the appropriate type.
16558 2006-03-03 Richard Sandiford <richard@codesourcery.com>
16560 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16561 SYMBOL_REF_IN_BLOCK_P.
16562 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
16563 of SYMBOL_FLAG_IN_BLOCK.
16564 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
16565 instead of SYMBOL_REF_IN_BLOCK_P.
16566 * explow.c (use_anchored_address): Likewise.
16567 * rtl.c (rtx_size): Likewise.
16568 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
16569 instead of SYMBOL_FLAG_IN_BLOCK.
16570 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16571 SYMBOL_REF_IN_BLOCK_P.
16572 (assemble_variable): Likewise.
16573 (output_constant_def_contents): Likewise.
16574 (output_constant_pool): Likewise.
16575 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
16576 instead of SYMBOL_FLAG_IN_BLOCK.
16577 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16578 SYMBOL_REF_IN_BLOCK_P.
16579 (SYMBOL_REF_BLOCK): Likewise.
16580 (SYMBOL_REF_OFFSET): Likewise.
16581 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16582 SYMBOL_REF_IN_BLOCK_P.
16583 (SYMBOL_FLAG_IN_BLOCK): Replace with...
16584 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
16585 (SYMBOL_REF_IN_BLOCK_P): Replace with...
16586 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
16588 2006-03-03 Jakub Jelinek <jakub@redhat.com>
16590 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
16592 2006-03-02 Roger Sayle <roger@eyesopen.com>
16594 * simplify-rtx.c (simplify_unary_operation): When simplifying
16595 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
16596 that we perform the right shift in the appropriate mode, and
16597 then extend or truncate the result to requested mode.
16599 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
16601 * gengtype.c (main): Handle double_int type.
16602 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
16603 * double-int.c: New file.
16604 * double-int.h: New file.
16605 * system.h: Include doubleint.h.
16606 * Makefile.in (SYSTEM_H): Include double-int.h.
16607 (double-int.o): Add.
16609 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
16612 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
16615 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16617 * tree-vrp.c (remove_range_assertions): Do not update statements
16620 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16622 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
16624 * gcse.c (rest_of_handle_gcse): Ditto.
16625 * except.c (gate_handle_eh): Ditto.
16626 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
16627 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
16629 2006-03-02 Eric Christopher <echristo@apple.com>
16631 * config/i386/i386.c (machopic_output_stub): Add indirection to
16634 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16638 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
16640 Sun Niagara specific optimizations.
16641 * config.gcc: Recognize niagara as target.
16642 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
16643 (TARGET_CPU_niagara): Define.
16644 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
16645 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
16646 (CPP_CPU_SPEC): Handle -mcpu=niagara.
16647 (ASM_CPU_SPEC): Likewise.
16648 (PROCESSOR_NIAGARA): New enum entry.
16649 (REGISTER_MOVE_COST): Handle Niagara.
16650 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
16651 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
16652 (sparc_override_options): Recognize "niagara", set appropriate
16653 default MASK_* values for it, and align functions to 32-bytes
16654 by default just like ULTRASPARC/ULTRASPARC3.
16655 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
16656 (sparc64_initialize_trampoline): Likewise.
16657 (sparc_use_sched_lookahead): Use zero for niagara.
16658 (sparc_issue_rate): Use one for niagara.
16659 * config/sparc/niagara.md: New file.
16660 * config/sparc/sparc.md: Include it.
16661 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
16662 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
16663 when default cpu is niagara.
16664 (CPP_CPU_SPEC): Handle -mcpu=niagara.
16665 (ASM_CPU_SPEC): Likewise.
16666 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
16667 when default cpu is niagara.
16668 (ASM_CPU_SPEC): Handle -mcpu=niagara.
16669 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
16670 just like v9/ultrasparc/ultrasparc3.
16671 * doc/invoke.texi: Add documentation for "niagara" and improve
16672 existing documentation for ultrasparc variants.
16674 2006-03-02 Diego Novillo <dnovillo@redhat.com>
16676 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
16678 2006-03-02 Richard Sandiford <richard@codesourcery.com>
16680 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
16681 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
16682 and say that only one is needed.
16683 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
16684 * target.h (have_switchable_bss_sections): New hook.
16685 * explow.c (use_anchored_address): Check that the symbol is in a block.
16686 * varasm.c (tls_comm_section, comm_section, lcomm_section)
16687 (bss_noswitch_section): New variables.
16688 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
16689 (get_noswitch_section): New function.
16690 (get_block_for_section): Allow SECT to be null.
16691 (unlikely_text_section_p): Use SECTION_STYLE.
16692 (bss_initializer_p): New function.
16693 (get_variable_section): Move earlier in file. Take a new argument,
16694 prefer_noswitch_p. Move bss checks from assemble_variable to here.
16695 Return one of the new *_sections in such cases.
16696 (get_block_for_decl): New function, extracting some logic from
16697 use_blocks_for_decl_p.
16698 (change_symbol_section): Remove in favor of...
16699 (change_symbol_block): ...this new function.
16700 (use_blocks_for_decl_p): Remove checks now performed by
16701 get_block_for_decl.
16702 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
16703 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
16704 (emit_local, emit_bss, emit_common): ...these new functions.
16705 Return true if the alignment was honored.
16706 (emit_tls_common): New function.
16707 (asm_emit_uninitialised): Delete.
16708 (assemble_variable_noswitch): New function, split out from...
16709 (assemble_variable): ...here. Don't make decisions about common
16710 variables here. Globalize all public decls that go into non-common
16711 sections. Check whether SYMBOL_REF_BLOCK is null.
16712 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
16713 (output_constant_pool): Likewise.
16714 (init_varasm_once): Initialize the new section variables.
16715 (have_global_bss_p): New function.
16716 (categorize_decl_for_section): Use bss_initializer_p.
16717 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
16718 (place_block_symbol): Assert that the symbol must be in a block.
16719 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
16720 (TARGET_INITIALIZER): Include it.
16721 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
16722 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
16723 (SECTION_MACH_DEP): Bump by two.
16724 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
16725 (unnamed_section): Mention SECTION_UNNAMED in comment.
16726 (named_section): Likewise SECTION_NAMED.
16727 (noswitch_section_callback): New type.
16728 (noswitch_section): New structure.
16729 (section): Add a noswitch_section alternative.
16730 (SECTION_STYLE): New macro.
16731 (tls_comm_section, comm_section, lcomm_section): Declare.
16732 (bss_noswitch_section, have_global_bss_p): Declare.
16733 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
16734 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
16736 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
16737 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
16740 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
16742 * tree-vrp.c (execute_vrp): Return value.
16743 * regrename.c (rest_of_handle_regrename): Ditto.
16744 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
16745 * tree-complex.c (tree_lower_complex): Ditto.
16746 (tree_lower_complex_O0): Ditto.
16747 * tracer.c (rest_of_handle_tracer): Ditto.
16748 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
16749 * postreload.c (rest_of_handle_postreload): Ditto.
16750 * tree-tailcall.c (execute_tail_recursion): Ditto.
16751 (execute_tail_calls): Ditto.
16752 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
16753 * tree.h (init_function_for_compilation): Ditto.
16754 * ipa-cp.c (ipcp_driver): Ditto.
16755 * tree-scalar-evolution.c (scev_const_prop): Ditto.
16756 * tree-scalar-evolution.h (scev_const_prop): Ditto.
16757 * final.c (compute_alignments): Ditto.
16758 (rest_of_handle_final): Ditto.
16759 (rest_of_handle_shorten_branches): Ditto.
16760 (rest_of_clean_state): Ditto.
16761 * omp-low.c (execute_expand_omp): Ditto.
16762 (execute_lower_omp): Ditto.
16763 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
16764 * ipa-reference.c (static_execute): Ditto.
16765 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
16766 * reorg.c (rest_of_handle_delay_slots): Ditto.
16767 (rest_of_handle_machine_reorg): Ditto.
16768 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
16769 * flow.c (recompute_reg_usage): Ditto.
16770 (rest_of_handle_remove_death_notes): Ditto.
16771 (rest_of_handle_life): Ditto.
16772 (rest_of_handle_flow2): Ditto.
16773 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
16774 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
16775 (do_ssa_store_ccp): Ditto.
16776 (execute_fold_all_builtins): Ditto.
16777 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
16778 * modulo-sched.c (rest_of_handle_sms): Ditto.
16779 * ipa-pure-const.c (static_execute): Ditto.
16780 * cse.c (rest_of_handle_cse): Ditto.
16781 (rest_of_handle_cse2): Ditto.
16782 * web.c (rest_of_handle_web): Ditto.
16783 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
16784 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
16785 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
16786 * tree-nrv.c (tree_nrv): Ditto.
16787 (execute_return_slot_opt): Ditto.
16788 * tree-ssa-alias.c (compute_may_aliases): Ditto.
16789 (create_structure_vars): Ditto.
16790 * loop-init.c (rtl_loop_init): Ditto.
16791 (rtl_loop_done): Ditto.
16792 (rtl_move_loop_invariants): Ditto.
16793 (rtl_unswitch): Ditto.
16794 (rtl_unroll_and_peel_loops): Ditto.
16795 (rtl_doloop): Ditto.
16796 * gimple-low.c (lower_function_body): Ditto.
16797 (mark_used_blocks): Ditto.
16798 * tree-ssa-sink.c (execute_sink_code): Ditto.
16799 * ipa-inline.c (cgraph_decide_inlining): Ditto.
16800 (cgraph_early_inlining): Ditto.
16801 * global.c (rest_of_handle_global_alloc): Ditto.
16802 * jump.c (cleanup_barriers): Ditto.
16803 (purge_line_number_notes): Ditto.
16804 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
16805 (rest_of_handle_if_after_reload): Ditto.
16806 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
16807 (tree_ssa_loop_im): Ditto.
16808 (tree_ssa_loop_unswitch): Ditto.
16809 (tree_vectorize): Ditto.
16810 (tree_linear_transform): Ditto.
16811 (tree_ssa_loop_ivcanon): Ditto.
16812 (tree_ssa_empty_loop): Ditto.
16813 (tree_ssa_loop_bounds): Ditto.
16814 (tree_complete_unroll): Ditto.
16815 (tree_ssa_loop_prefetch): Ditto.
16816 (tree_ssa_loop_ivopts): Ditto.
16817 (tree_ssa_loop_done): Ditto.
16818 * predict.c (tree_estimate_probability): Ditto.
16819 * recog.c (split_all_insns_noflow): Ditto.
16820 (rest_of_handle_peephole2): Ditto.
16821 (rest_of_handle_split_all_insns): Ditto.
16822 * tree-eh.c (lower_eh_constructs): Ditto.
16823 * regmove.c (rest_of_handle_regmove): Ditto.
16824 (rest_of_handle_stack_adjustments): Ditto.
16825 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
16826 * function.c (instantiate_virtual_regs): Ditto.
16827 (init_function_for_compilation): Ditto.
16828 (rest_of_handle_check_leaf_regs): Ditto.
16829 * gcse.c (rest_of_handle_jump_bypass): Ditto.
16830 (rest_of_handle_gcse): Ditto.
16831 * ipa-type-escape.c (type_escape_execute): Ditto.
16832 * alias.c (rest_of_handle_cfg): Ditto.
16833 * tree-if-conv.c (main_tree_if_conversion): Ditto.
16834 * profile.c (rest_of_handle_branch_prob): Ditto.
16835 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
16836 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
16837 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
16838 * tree-dfa.c (find_referenced_vars): Ditto.
16839 * except.c (set_nothrow_function_flags): Ditto.
16840 (convert_to_eh_region_ranges): Ditto.
16841 (rest_of_handle_eh): Ditto.
16842 * emit-rtl.c (unshare_all_rtl): Ditto.
16843 (remove_unnecessary_notes): Ditto.
16844 * except.h (set_nothrow_function_flags): Ditto.
16845 (convert_to_eh_region_ranges): Ditto.
16846 * cfgexpand.c (tree_expand_cfg): Ditto.
16847 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
16848 * tree-ssa-pre.c (do_pre): Ditto.
16849 (execute_fre): Ditto.
16850 * cfgcleanup.c (rest_of_handle_jump): Ditto.
16851 (rest_of_handle_jump2): Ditto.
16852 * tree-sra.c (tree_sra): Ditto.
16853 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
16854 (execute_mudflap_function_decls): Ditto.
16855 * tree-ssa-copy.c (do_copy_prop): Ditto.
16856 (do_store_copy_prop): Ditto.
16857 * ipa-prop.h (ipcp_driver): Ditto.
16858 * cfglayout.c (insn_locators_initialize): Ditto.
16859 * tree-ssa-forwprop.c
16860 (tree_ssa_forward_propagate_single_use_vars): Ditto.
16861 * cfglayout.h (insn_locators_initialize): Ditto.
16862 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
16863 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
16864 (execute_late_warn_uninitialized): Ditto.
16865 * rtl.h (cleanup_barriers): Ditto.
16866 (split_all_insns_noflow): Ditto.
16867 (purge_line_number_notes): Ditto.
16868 (unshare_all_rtl): Ditto.
16869 (remove_unnecessary_notes): Ditto.
16870 (recompute_reg_usage): Ditto.
16871 (variable_tracking_main): Ditto.
16872 * integrate.c (emit_initial_value_sets): Ditto.
16873 * integrate.h (emit_initial_value_sets): Ditto.
16874 * tree-optimize.c (execute_free_datastructures): Ditto
16875 (execute_free_cfg_annotations): Ditto.
16876 (execute_fixup_cfg): Ditto.
16877 (execute_cleanup_cfg_pre_ipa): Ditto.
16878 (execute_cleanup_cfg_post_optimizing): Ditto.
16879 (execute_init_datastructures): Ditto.
16880 * tree-object-size.c (compute_object_sizes): Ditto.
16881 * combine.c (rest_of_handle_combine): Ditto.
16882 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
16883 * bb-reorder.c (duplicate_computed_gotos): Ditto.
16884 (rest_of_handle_reorder_blocks): Ditto.
16885 (rest_of_handle_partition_blocks): Ditto.
16886 * var-tracking.c (variable_tracking_main): Ditto.
16887 * tree-profile.c (tree_profiling): Ditto.
16888 * tree-vect-generic.c (expand_vector_operations): Ditto.
16889 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
16890 * sched-rgn.c (rest_of_handle_sched): Ditto.
16891 (rest_of_handle_sched2): Ditto.
16892 * basic-block.h (free_bb_insn): Ditto.
16893 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
16894 * tree-cfg.c (execute_build_cfg): Ditto.
16895 (remove_useless_stmts): Ditto.
16896 (split_critical_edges): Ditto.
16897 (execute_warn_function_return): Ditto.
16898 (execute_warn_function_noreturn): Ditto.
16899 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
16900 * cfgrtl.c (free_bb_for_insn): Ditto.
16901 * passes.c (execute_one_pass): Run additional
16902 todos returned by execute function.
16903 * tree-pass.h (struct tree_opt_pass): Make execute
16906 2006-03-02 Richard Guenther <rguenther@suse.de>
16908 * tree-ssa-alias.c (find_used_portions): Consider taking
16909 the address as making the variable not write-only.
16911 2006-03-02 Nick Clifton <nickc@redhat.com>
16913 * config.gcc (default_use_cxa_atexit): Extend the description of
16914 this configure variable. Set its default value to "yes" for
16915 Linux, NetBSD and ELF targets on the assumption that they will
16916 use C libraries with the __cxa_atexit function.
16918 2006-03-02 Ben Elliston <bje@au.ibm.com>
16920 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
16921 parameter as unused to suppress a build warning.
16923 2006-03-02 Ben Elliston <bje@au.ibm.com>
16925 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
16928 2006-03-01 Roger Sayle <roger@eyesopen.com>
16931 * gthr-posix.h (__gthrw2): Define to take three parameters, the
16932 declared name, the weak reference name, and the typeof name.
16933 (__gthrw): Avoid expanding the declared name suffix.
16934 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
16936 2006-03-01 Jakub Jelinek <jakub@redhat.com>
16938 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
16940 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
16941 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
16942 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
16943 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
16944 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
16945 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
16946 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
16947 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
16948 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
16949 DW_DS_leading_separate, DW_DS_trailing_separate): New.
16950 (DW_END_default, DW_END_big, DW_END_little): New.
16951 (DW_END_lo_user, DW_END_hi_user): Define.
16952 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
16953 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
16954 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
16957 2006-03-01 Diego Novillo <dnovillo@redhat.com>
16959 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
16961 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
16963 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
16965 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
16967 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
16968 to 'symbol_mem_tag'.
16970 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
16973 2006-03-01 Roger Sayle <roger@eyesopen.com>
16975 * builtins.c (fold_builtin_copysign): Delete unreachable code.
16977 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
16980 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
16981 MACHO_DYNAMIC_NO_PIC_P.
16982 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
16984 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
16987 * config/darwin-protos.h (darwin_asm_output_anchor):
16989 * config/darwin-sections.def (cstring_section):
16990 Add SECTION_MERGE to the flags.
16991 (literal4_section): Likewise.
16992 (literal8_section): Likewise.
16993 (objc_selector_refs_section): Likewise.
16994 (objc_cls_refs_section): Likewise.
16995 * config/darwin.c (darwin_asm_output_anchor): New
16997 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
16999 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
17001 Fix PR tree-optimization/26443
17002 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
17003 to todo and PROP_tmt_usage to properties_destroyed.
17004 * tree-ssa-ccp.c (pass_ccp): Ditto.
17005 (pass_store_ccp): Ditto.
17006 * tree-ssa-dom.c (pass_dominator): Ditto.
17008 2006-03-01 Diego Novillo <dnovillo@redhat.com>
17010 * tree-ssa-operands.c: Cleanup whitespace.
17011 (get_asm_expr_operands): Move before first invocation.
17012 (get_indirect_ref_operands): Likewise.
17013 (get_tmr_operands): Likewise.
17014 (get_call_expr_operands): Likewise.
17015 (append_def): Likewise.
17016 (append_use): Likewise.
17017 (append_v_may_def): Likewise.
17018 (append_v_must_def): Likewise.
17019 (add_call_clobber_ops): Likewise.
17020 (add_call_read_ops): Likewise.
17021 (add_stmt_operand): Likewise.
17022 (add_virtual_operand): Likewise.
17023 (build_ssa_operands): Likewise.
17025 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
17027 PR middle-end/26022
17029 PR middle-end/24437
17030 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
17031 with a call expr to ...
17032 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
17034 2006-03-01 Diego Novillo <dnovillo@redhat.com>
17036 * tree-vrp.c (extract_range_from_assert): Remove special
17037 handling for types with super-types.
17039 2006-03-01 Ben Elliston <bje@au.ibm.com>
17041 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
17042 and powerpc64-*-linux* configurations.
17043 * config/t-dfprules: New file.
17045 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
17046 Compile dfp-bit.c from the source directory using -DWIDTH and
17047 $DFP_CFLAGS to control the compilation of that file, rather than
17048 generating width-specific versions in the build directory.
17049 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
17050 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
17052 2006-02-28 Zack Weinberg <zackw@panix.com>
17054 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
17057 2006-02-28 Eric Christopher <echristo@apple.com>
17059 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
17060 Set up IN_LIBGCC definition of TARGET_64BIT.
17061 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
17063 2006-02-28 Roger Sayle <roger@eyesopen.com>
17065 PR middle-end/14752
17066 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
17067 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
17068 cases via the construction of "expr != 0".
17070 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
17072 * alias.c (alias_invariant, alias_invariant_size): Remove.
17073 (record_base_value): Remove.
17074 (memrefs_conflict_p): Don't look at alias_invariant.
17075 (end_alias_analysis): Don't free it.
17076 * alias.h (record_base_value): Remove prototype.
17078 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
17079 Adam Nemet <anemet@caviumnetworks.com>
17081 * rtl.h (truncated_to_mode): Declare it.
17082 (struct rtl_hooks): Add reg_truncated_to_mode hook.
17083 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
17084 (RTL_HOOKS_INITIALIZER): Include it.
17085 * rtlhooks.c (reg_truncated_to_mode_general): New function.
17086 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
17087 reg_truncated_to_mode.
17088 * rtlanal.c (truncated_to_mode): Define it.
17089 * simplify-rtx.c (simplify_unary_operation_1): Use it.
17091 2006-02-28 Jeff Law <law@redhat.com>
17093 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
17094 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
17095 the range allowed by TYPE_PRECISION.
17097 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
17099 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
17101 PR tree-optimization/26419
17102 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
17105 2006-02-27 Zack Weinberg <zackw@panix.com>
17107 * doc/md.texi: Fix typo in previous change.
17109 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
17113 2006-02-27 Zack Weinberg <zackw@panix.com>
17115 * rtl.def (define_constraint, define_register_constraint)
17116 (define_memory_constraint, define_address_constraint): New MD forms.
17117 * gensupport.c (process_rtx): Put define_constraint etc on the
17119 * genpreds.c (process_define_predicate): Adjust comment. Validate
17120 the name, and call validate_exp to validate the expression.
17121 (mark_mode_tests, write_extract_subexp): Can assume correct input.
17122 (write_predicate_expr): Likewise. NAME argument no longer necessary;
17123 all callers changed.
17124 (validate_exp, needs_variable, struct constraint_data)
17125 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
17126 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
17127 (const_dbl_constraints, constraint_max_namelen)
17128 (have_register_constraints, have_memory_constraints)
17129 (have_address_constraints, have_address_constraints)
17130 (have_extra_constraints, have_const_int_constraints)
17131 (have_const_dbl_constraints, mangle, add_constraint)
17132 (process_define_constraint, process_define_register_constraint)
17133 (write_enum_constraint_num, write_lookup_constraint)
17134 (write_insn_constraint_len, write_regclass_for_constraint)
17135 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
17136 (write_insn_extra_memory_constraint)
17137 (write_insn_extra_address_constraint)
17138 (write_satisfies_constraint_fns): New.
17139 (write_tm_preds_h): If we have new-style constraint definitions,
17140 prototype the functions generated from them, and define the
17141 old constraint interface (still used by generic code) in terms of
17143 (write_insn_preds_c): If we have new-style constraint definitions,
17144 generate all relevant functions from those definitions.
17145 (main): Handle define_constraint etc.
17146 * genoutput.c (struct constraint_data, indep_constraints)
17147 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
17148 (mdep_constraint_len): New data structures and functions, defined
17149 #ifdef USE_MD_CONSTRAINTS.
17150 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
17151 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
17152 use new logic to validate operand constraints against constraint
17154 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
17156 * defaults.h: If none of the old-style constraint macros are
17157 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
17158 old-style macros; and poison REG_CLASS_FROM_LETTER,
17159 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
17161 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
17162 * doc/md.texi: Document new constraint-definition mechanism and the
17163 C interface it provides. Remove references to old mechanism
17164 elsewhere in the document.
17165 (Machine Constraints): Use pathnames relative to gcc directory,
17166 i.e. config/ARCH/FILE. Change i386 section to refer to
17167 config/i386/predicates.md; update that section to match docstrings.
17168 * doc/tm.texi: Move all documentation of the old constraint-
17169 definition macros to their own section, clearly mark as obsolete.
17171 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
17172 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
17174 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
17175 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
17176 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
17177 constraint strings.
17178 (splits and peepholes): Use satisfies_constraint_*.
17179 * config/i386/i386.c (memory_address_length)
17180 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
17182 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
17184 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
17185 scalar operation to be put back into the loop.
17187 2006-02-27 Jakub Jelinek <jakub@redhat.com>
17190 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
17191 (extract_cie_info): Handle S flag in augmentation string.
17192 (execute_cfa_program): If context->signal_frame, execute also
17193 fs->pc == context->ra instructions.
17194 (uw_frame_state_for): If context->signal_frame, don't subtract one
17195 from context->ra to find FDE.
17196 (uw_update_context_1): Set context->signal_frame to
17198 (_Unwind_GetIPInfo): New function.
17199 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
17200 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
17202 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
17203 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
17204 * unwind-compat.c (_Unwind_GetIPInfo): New function.
17205 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
17206 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
17207 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
17208 * config/i386/linux-unwind.h (x86_fallback_frame_state,
17209 x86_64_fallback_frame_state): Set fs->signal_frame.
17210 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
17211 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
17212 (frob_update_context): Likewise. Workaround missing S flag in
17213 Linux 2.6.12 - 2.6.16 kernel vDSOs.
17214 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
17215 Remove the psw_addr + 1 hack.
17217 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
17219 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
17220 with aggregates here.
17221 (find_func_aliases): Remove code for &<aggregate> from here.
17223 2006-02-26 Roger Sayle <roger@eyesopen.com>
17225 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
17226 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
17227 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
17228 as (X & C) ne/eq 0.
17230 2006-02-26 Roger Sayle <roger@eyesopen.com>
17232 PR middle-end/19983
17233 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
17235 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
17237 * opts.c (decode_options): Do not handle flag_strength_reduce.
17238 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
17239 and OPT_fstrength_reduce.
17240 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
17241 flag_prefetch_loop_arrays for being nonzero.
17242 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
17244 (fprefetch-loop-arrays-rtl): Removed.
17245 (flag_prefetch_loop_arrays): Do not specify the value.
17247 * doc/passes.texi: Update documentation of loop optimizer
17249 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
17250 -frerun-loop-opt): Remove.
17252 2006-02-26 Richard Guenther <rguenther@suse.de>
17254 PR tree-optimization/26421
17255 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
17256 in function calls that are ADDR_EXPRs as using the whole structure.
17258 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
17260 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
17261 * tree-pass.h (pass_loop_optimize): Remove.
17262 * passes.c (pass_loop_optimize): Never run it.
17263 * toplev.c (backend_init): Don't call init_loop.
17264 * opts.c (flag_loop_optimize_set): Remove.
17265 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
17266 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
17267 the old RTL loop optimizer when profiling enabled.
17268 * predict.c (tree_estimate_probability): Always strip builtin_expect.
17269 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
17270 pre-headers for the sake of the old RTL loop optimizer.
17271 * Makefile.in: Remove all references to loop.o.
17273 * doc/invoke.texi: Remove all references to -floop-optimize
17274 and -frerun-loop-opt.
17276 2006-02-26 Zack Weinberg <zackw@panix.com>
17278 * doc/md.texi (Machine Constraints): Refer to all files with paths
17279 relative to gcc directory (i.e. config/CPU/file). Add missing
17280 @table @code ... @end table to M32C subsection.
17282 2006-02-26 Roger Sayle <roger@eyesopen.com>
17284 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
17286 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
17288 2006-02-26 Roger Sayle <roger@eyesopen.com>
17289 James A. Morrison <phython@gcc.gnu.org>
17291 PR middle-end/21137
17292 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
17293 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
17294 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
17295 signedness of the shift operation.
17297 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
17299 PR tree-optimization/26359
17300 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
17302 2006-02-25 Roger Sayle <roger@eyesopen.com>
17304 * simplify-rtx.c (simplify_relational_operation_1): Simplify
17305 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
17306 as X == 0, and some symmetry related transformations.
17307 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
17309 2006-02-25 Roger Sayle <roger@eyesopen.com>
17311 PR middle-end/23673
17312 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
17313 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
17314 symmetry related transformations. Fold (X^C1) == C2 as
17317 2006-02-25 Juergen Weigert <jw@suse.de>
17318 Richard Guenther <rguenther@suse.de>
17320 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
17322 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
17324 * combine.c (gen_lowpart_or_truncate): Call
17325 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
17327 2006-02-24 Diego Novillo <dnovillo@redhat.com>
17329 * doc/invoke.texi: Move -fopenmp description to "Options for
17331 Remove reference to -lgomp.
17333 2006-02-24 David Edelsohn <edelsohn@gnu.org>
17335 * doc/install.texi: Require GNU tar version 1.14.
17337 2006-02-24 Geoffrey Keating <geoffk@apple.com>
17339 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
17340 * doc/invoke.texi (C++ Dialect Options): Document
17341 -fno-use-cxa-get-exception-ptr.
17342 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
17343 * configure: Regenerate.
17344 * c.opt (fuse-cxa-get-exception-ptr): New.
17345 * c-opts.c (c_common_handle_option): Handle
17346 OPT_fuse_cxa_get_exception_ptr.
17347 * c-common.c (flag_use_cxa_atexit): Update documentation.
17348 (flag_use_cxa_get_exception_ptr): New.
17349 * c-common.h (flag_use_cxa_get_exception_ptr): New.
17350 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
17352 (C_COMMON_OVERRIDE_OPTIONS): New.
17354 2006-02-24 Roger Sayle <roger@eyesopen.com>
17356 PR middle-end/24952
17357 * combine.c (try_combine): Explicitly check whether GET_CODE is
17358 a SET or a CLOBBER, instead on checking that it isn't a USE.
17360 2006-02-24 Roger Sayle <roger@eyesopen.com>
17362 * fold-const.c (fold_comparison): New subroutine of fold_binary
17363 containing transformations common to both the equality and
17364 ordering relational operators, factored out of fold_binary.
17365 (fold_binary): Separate out the equality operators (EQ_EXPR
17366 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
17367 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
17368 transformations common to both.
17369 (fold_div_compare): Fix latent bugs in the previously unreachable
17370 LT_EXPR and GE_EXPR cases.
17372 2006-02-24 David Edelsohn <edelsohn@gnu.org>
17374 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
17375 decl libname for clog to __clog on AIX.
17377 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
17379 2006-02-24 Alan Modra <amodra@bigpond.net.au>
17382 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
17383 output traceback table for thunks. Localise rs6000_stack_info call.
17385 2006-02-23 Roger Sayle <roger@eyesopen.com>
17386 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
17388 * gthr-posix.h (__gthrw): Fix typo in comment.
17390 2006-02-23 Geoffrey Keating <geoffk@apple.com>
17392 * doc/cpp.texi (Character sets): Document that we do support
17393 input files to be in any character set.
17395 2006-02-23 Jeff Law <law@redhat.com>
17397 * tree.h (PHI_ARG_NONZERO): Remove.
17398 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
17399 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
17400 node to the new node.
17402 PR tree-optimization/26425
17403 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
17404 min/max, then assume its varying.
17406 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
17408 PR rtl-optimization/26316
17409 * rtlanal.c (enum may_trap_p_flags): New.
17410 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
17411 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
17412 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
17413 (may_trap_after_code_motion_p): New function.
17414 * loop-invariant.c (find_identical_invariants): Fix dump formating.
17415 (find_invariant_insn): Use may_trap_after_code_motion_p.
17416 * rtl.h (may_trap_after_code_motion_p): Declare.
17418 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
17420 * emit-rtl.c (immed_double_const): Cleanup.
17422 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
17424 Fix PR tree-optimization/26376
17425 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
17428 2006-02-23 Jakub Jelinek <jakub@redhat.com>
17430 PR middle-end/26412
17431 * gimplify.c (omp_add_variable): Guard variable size decl test with
17432 DECL_SIZE (decl) check.
17434 2006-02-23 Richard Guenther <rguenther@suse.de>
17436 PR middle-end/26439
17437 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
17438 like aggregate types.
17440 2006-02-23 Jakub Jelinek <jakub@redhat.com>
17442 * configure.ac: Add --with{,out}-long-double-128 configure option.
17443 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
17444 * configure: Rebuilt.
17445 * config.in: Rebuilt.
17446 * doc/install.texi (Options specification): Document
17447 --with-long-double-128.
17449 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
17450 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
17451 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
17452 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
17454 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
17456 * config/s390/s390.c (override_options): Handle
17457 TARGET_DEFAULT_LONG_DOUBLE_128.
17459 * config/alpha/alpha.c (override_options): Handle
17460 TARGET_DEFAULT_LONG_DOUBLE_128.
17462 * config/sparc/sparc.c (sparc_override_options): Handle
17463 TARGET_DEFAULT_LONG_DOUBLE_128.
17465 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
17467 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
17468 (real-install-headers-tar, real-install-headers-cpio)
17469 (real-install-headers-cp): New targets.
17471 2006-02-22 Richard Sandiford <richard@codesourcery.com>
17473 * tree.h (variable_section): Delete.
17474 * varasm.c (variable_section): Delete.
17476 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
17478 * install.texi: Add notes on install.texi2html.
17479 (Building in parallel): Do not use footnotes.
17481 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
17484 * doc/install.texi (Configuration): Document --disable-libgomp.
17486 2006-02-21 Geoffrey Keating <geoffk@apple.com>
17488 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
17490 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
17492 * config/i386/sse.md (vec_extractv2df_1_sse): New.
17493 (vec_extractv2df_0_sse): New.
17495 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
17497 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
17498 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
17499 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
17500 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
17501 to the result of the expression.
17502 (def_cfa_1): Adjust.
17503 (frame_pointer_cfa_offset): Rename to...
17504 (frame_pointer_fb_offset): ... this. Adjust all uses.
17505 (convert_cfa_to_loc_list): Rename to...
17506 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
17507 Pass it on to build_cfa_loc.
17508 (compute_frame_pointer_to_cfa_displacement): Rename to...
17509 (compute_frame_pointer_to_fb_displacement): ... this. New
17510 offset parameter. Use it in computation.
17511 (gen_subprogram_die): Compute cfa_fb_offset with the new
17512 macro, and use it to compute the fb loc list and the
17515 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
17517 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
17518 replaced with register_operand.
17519 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
17520 non-DREG is expensive.
17521 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
17522 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
17525 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
17527 * doc/install.texi2html: Use set -e.
17529 2006-02-21 Richard Sandiford <richard@codesourcery.com>
17531 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
17532 (ASM_OUTPUT_SHARED_LOCAL): Delete.
17533 * doc/invoke.texi (-fshared-data): Delete.
17534 * common.opt (fshared-data): Delete.
17535 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
17536 (assemble_static_space): Remove #if 0 code.
17537 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
17538 (ASM_OUTPUT_SHARED_LOCAL): Poison.
17539 * config/cris/cris.h: Remove FIXME.
17541 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
17543 * doc/sourcebuild.texi (Front End Directory): No more double-colon
17546 2006-02-21 Jakub Jelinek <jakub@redhat.com>
17548 PR middle-end/26379
17549 * combine.c (simplify_shift_const_1): Disable nested shifts
17550 optimization for vector shifts.
17552 2006-02-20 Roger Sayle <roger@eyesopen.com>
17554 PR tree-optimization/26361
17555 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
17556 of unsigned integer types.
17558 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
17560 * tree-chrec.c (eq_evolutions_p): New.
17561 * tree-chrec.h (eq_evolutions_p): Declared.
17562 * tree-data-ref.c: Fix formatting.
17563 (datadep_stats, dependence_stats): New.
17565 (print_direction_vector): New.
17566 (dump_data_dependence_relation): Use print_direction_vector.
17567 (object_analysis, create_data_ref): Handle COMPONENT_REF.
17568 (compute_subscript_distance): Static.
17569 (initialize_data_dependence_relation): Static. Get the number
17570 of loops surrounding the references from the callers, and initialize
17571 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
17572 base_object_differ_p analyzers.
17573 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
17574 compute_overlap_steps_for_affine_1_2,
17575 analyze_subscript_affine_affine): Count the classified dependences.
17576 Print a message when a test failed.
17577 (can_use_analyze_subscript_affine_affine): New.
17578 (analyze_siv_subscript): Compute the data dependences on symbolic
17579 scevs that verify can_use_analyze_subscript_affine_affine.
17580 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
17581 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
17582 Handle symbolic scevs.
17583 (analyze_overlapping_iterations): Let symbolic affine scevs to be
17585 (subscript_dependence_tester): Moved...
17586 (build_classic_dist_vector, build_classic_dir_vector): Don't use
17587 lambda_vector_clear on newly allocated vectors. Get nb_loops from
17588 DDR_SIZE_VECT instead of getting it in parameter.
17589 (subscript_dependence_tester): ... here. Take as a parameter
17590 loop_nest_depth. Call build_classic_dist_vector and
17591 build_classic_dir_vector.
17592 (compute_affine_dependence): Update subscript_dependence_tester
17593 parameters. Update datadep_stats counters. Call
17594 compute_subscript_distance.
17595 (compute_self_dependence): Save the dist and dir vectors. Call
17596 compute_subscript_distance.
17597 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
17598 (compute_all_dependences): Reorder parameters as they were before
17599 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
17600 compute_subscript_distance. Update the use of
17601 compute_affine_dependence and initialize_data_dependence_relation.
17602 (find_data_references_in_loop): Handle COMPONENT_REF.
17603 (compute_data_dependences_for_loop): Initialize dependence_stats.
17604 Don't call build_classic_dist_vector and build_classic_dir_vector.
17605 Update the parameters of initialize_data_dependence_relation and
17606 compute_all_dependences. Print the statistics from datadep_stats.
17607 (analyze_all_data_dependences): Static. Not used until the pass for
17608 checking the data dependences is contributed.
17609 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
17610 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
17611 (initialize_data_dependence_relation, compute_affine_dependence,
17612 analyze_all_data_dependences, compute_subscript_distance): Removed.
17613 (print_direction_vector): New.
17614 * lambda.h (gcd): ... here.
17615 (lambda_vector_gcd): Moved here from gcd_vector.
17616 * lambda-code.c (gcd, gcd_vector): Removed.
17617 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
17618 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
17620 2006-02-20 Diego Novillo <dnovillo@redhat.com>
17622 * ipa-type-escape.c: Tidy some comments and white space.
17623 * tree-ssa-operands.c: Likewise.
17625 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
17628 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
17629 (dump_decl_name): Do not walk the decl tree chains.
17630 * tree-pass.h (TDF_CHAIN): Remove.
17632 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
17634 * Makefile.in (C): Remove
17636 (.PHONY): Remove C and PROTO
17638 2006-02-20 Roger Sayle <roger@eyesopen.com>
17640 PR middle-end/26236
17641 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
17642 deprecated CHAR_TYPE tree code.
17644 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
17646 * configure.ac (target_list): Add install-info, dvi, html.
17647 * configure: Regenerate.
17649 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
17650 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
17651 treelang/Make-lang.in: Do not use double-colon rules.
17653 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
17655 * tree.h (struct tree_memory_tag): Add is_used_alone member.
17656 (TMT_USED_ALONE): New macro.
17657 * tree-pass.h (PROP_tmt_usage): New property.
17658 (TODO_update_tmt_usage): New todo.
17659 * tree-ssa-alias.c (updating_used_alone): New variable.
17660 (recalculate_used_alone): New function.
17661 (compute_may_aliases): Set updating_used_alone, call
17662 recalculate_used_alone.
17663 * tree-sra.c (pass_sra): Note that this pass destroys
17664 PROP_tmt_usage, and add TODO_update_tmt_usage.
17665 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
17666 * tree-flow.h (updating_used_alone): Prototype.
17667 (recalculate_used_alone): Ditto.
17668 * passes.c (execute_todo): Add code to set updating_used_alone,
17669 and call recalculate.
17670 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
17671 for clobber if used alone, and add assert to verify used_alone
17674 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
17676 * config/s390/s390.c (legitimize_pic_address): Assertions checking
17677 for non tls symbols added.
17678 (legitimize_address): Do nothing for PLUS expressions if one of the
17679 addends is a tls symbol reference.
17681 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
17685 * Makefile.in (LDFLAGS): Define from autoconf substitution.
17687 * Makefile.in (BOOTSTRAPPING): New.
17688 (quickstrap): New definition if BOOTSTRAPPING=yes.
17690 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
17691 * configure.ac: Substitute all_selected_languages with the languages
17692 that were configured. For all the other variables except
17693 lang_specs_files, include all the languages in the tree.
17694 * configure: Regenerate.
17696 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
17697 if there is one. Run the commands to run fixincludes in the same
17700 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
17701 * doc/install.texi: Document exact conventions for searching target tools.
17702 Document --with-build-time-tools. Document toplevel bootstrap. Document
17703 something more about building an Ada cross-compiler. Don't list GNU Make
17704 requirements which affect all platforms.
17706 2006-02-19 Roger Sayle <roger@eyesopen.com>
17708 PR middle-end/19543
17709 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
17710 only equivalent if the have both the same mode and precision.
17712 2006-02-20 Ben Elliston <bje@au.ibm.com>
17714 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
17716 2006-02-19 Roger Sayle <roger@eyesopen.com>
17717 Steven Bosscher <stevenb.gcc@gmail.com>
17719 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
17720 constant pool references to identify stack mode constants.
17721 * rtlanal.c (constant_pool_constant_p): New predicate to check
17722 whether operand is a floating point constant in the pool.
17723 * rtl.h (constant_pool_constant_p): Prototype here.
17724 * loop.c (scan_loop): Avoid hoisting constants from the constant
17725 pool on STACK_REGS targets.
17726 (load_mems): Likewise.
17727 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
17728 loads into x87 registers expensive in terms of register pressure.
17730 2006-02-19 Roger Sayle <roger@eyesopen.com>
17732 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
17733 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
17735 2006-02-19 David Edelsohn <edelsohn@gnu.org>
17737 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
17738 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
17740 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
17742 * doc/invoke.texi: Document -fipa-pta.
17743 * common.opt: Add ipa-pta option.
17744 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
17745 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
17746 (do_ds_constraint): Ditto.
17747 (get_constraint_for): Only add to referenced_vars if
17748 referenced_vars exists.
17749 (insert_into_field_list): Rewrite to do this unsorted.
17750 (insert_into_field_list_sorted): Rename old insert_into_field_list
17752 (create_function_info_for): Use insert_into_field_list_sorted.
17753 (create_variable_info_for): Rewrite so it uses unsorted version,
17754 since the field list is sorted.
17755 (intra_create_variable_infos): Only add to referenced_vars if
17756 referenced_vars exists.
17757 (ipa_pta_execute): Init heapvars, and delete when done.
17758 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
17760 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17762 * doc/install.texi: Add missing `@samp'.
17764 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
17766 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
17769 2006-02-18 Mark Wielaard <mark@klomp.org>
17771 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
17772 who added new 4.1 features, bug fixes and integration support.
17774 2006-02-18 David Edelsohn <edelsohn@gnu.org>
17777 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
17778 MEM for ABI_V4 pic.
17780 2006-02-18 Richard Sandiford <richard@codesourcery.com>
17782 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
17783 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
17784 (copy_insn_1): Likewise. Don't copy each field individually.
17786 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
17788 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
17789 * rtl.c (rtx_size): Rename variable to...
17790 (rtx_code_size): ...this.
17791 (rtx_size): New function.
17792 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
17793 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
17795 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
17796 * rtl.h (rtx_code_size): New variable.
17797 (rtx_size): Change from a variable to a function.
17798 (RTX_SIZE): Rename to...
17799 (RTX_CODE_SIZE): ...this.
17802 PR tree-optimization/17106
17803 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
17804 (Anchored Addresses): New section.
17805 * doc/invoke.texi (-fsection-anchors): Document.
17806 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
17807 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
17808 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
17809 * hooks.c (hook_bool_mode_rtx_false): New function.
17810 * hooks.h (hook_bool_mode_rtx_false): Declare.
17811 * gengtype.c (create_optional_field): New function.
17812 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
17813 SYMBOL_REF_IN_BLOCK_P is true.
17814 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
17815 (min_anchor_offset, max_anchor_offset): Likewise.
17816 (use_anchors_for_symbol_p): New hook.
17817 * toplev.c (compile_file): Call output_object_blocks.
17818 (target_supports_section_anchors_p): New function.
17819 (process_options): Check that -fsection-anchors is only used on
17820 targets that support it and when -funit-at-a-time is in effect.
17821 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
17822 if the decl doesn't have one.
17823 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
17824 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
17825 of force_const_mem through use_anchored_address.
17826 (expand_expr_constant): New function.
17827 (expand_expr_addr_expr_1): Call it. Use the same modifier when
17828 calling expand_expr for INDIRECT_REF.
17829 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
17830 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
17831 * expr.h (use_anchored_address): Declare.
17832 * loop-unroll.c: Don't declare rtx vectors here.
17833 * explow.c: Include output.h.
17834 (validize_mem): Call use_anchored_address.
17835 (use_anchored_address): New function.
17836 * common.opt (-fsection-anchors): New switch.
17837 * varasm.c (object_block_htab, anchor_labelno): New variables.
17838 (hash_section, object_block_entry_eq, object_block_entry_hash)
17839 (use_object_blocks_p, get_block_for_section, create_block_symbol)
17840 (use_blocks_for_decl_p, change_symbol_section): New functions.
17841 (get_variable_section): New function, split out from assemble_variable.
17842 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
17843 use_blocks_for_decl_p say so. Use change_symbol_section if the
17844 symbol has already been created.
17845 (assemble_variable_contents): New function, split out from...
17846 (assemble_variable): ...here. Don't output any code for
17847 block symbols; just pass them to place_block_symbol.
17848 Use get_variable_section and assemble_variable_contents.
17849 (get_constant_alignment, get_constant_section, get_constant_size): New
17850 functions, split from output_constant_def_contents.
17851 (build_constant_desc): Create a block symbol if use_object_blocks_p
17852 says so. Or into SYMBOL_REF_FLAGS.
17853 (assemble_constant_contents): New function, split from...
17854 (output_constant_def_contents): ...here. Don't output any code
17855 for block symbols; just pass them to place_section_symbol.
17856 Use get_constant_section and get_constant_alignment.
17857 (force_const_mem): Create a block symbol if use_object_blocks_p and
17858 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
17859 (output_constant_pool_1): Add an explicit alignment argument.
17860 Don't switch sections here.
17861 (output_constant_pool): Adjust call to output_constant_pool_1.
17862 Switch sections here instead. Don't output anything for block symbols;
17863 just pass them to place_block_symbol.
17864 (init_varasm_once): Initialize object_block_htab.
17865 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
17866 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
17867 (place_block_symbol, get_section_anchor, output_object_block)
17868 (output_object_block_htab, output_object_blocks): New functions.
17869 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
17870 (TARGET_ASM_OUT): Include it.
17871 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
17872 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
17873 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
17874 (TARGET_INITIALIZER): Include them.
17875 * rtl.c (rtl_check_failed_block_symbol): New function.
17876 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
17877 (block_symbol, object_block): New structures.
17878 (rtx_def): Add a block_symbol field to the union.
17879 (BLOCK_SYMBOL_CHECK): New macro.
17880 (rtl_check_failed_block_symbol): Declare.
17881 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
17882 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
17883 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
17884 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
17885 * output.h (output_section_symbols): Declare.
17886 (object_block): Name structure.
17887 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
17888 (default_use_anchors_for_symbol_p): Declare.
17889 * Makefile.in (RTL_BASE_H): Add vec.h.
17890 (explow.o): Depend on output.h.
17891 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
17892 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
17893 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
17894 (rs6000_use_blocks_for_constant_p): New function.
17896 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17898 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
17900 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
17903 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
17906 2006-02-18 Diego Novillo <dnovillo@redhat.com>
17908 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
17912 2006-02-18 Jakub Jelinek <jakub@redhat.com>
17914 PR middle-end/26334
17915 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
17916 instead of DECL_REGISTER.
17918 2006-02-18 Olivier Hainque <hainque@adacore.com>
17921 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
17923 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
17926 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
17927 * opth-gen.awk: Handle Var and InverseMask together.
17928 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
17929 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
17930 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
17931 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
17933 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
17934 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
17935 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
17936 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17937 LINUX_DYNAMIC_LINKER): Define.
17938 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
17939 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
17941 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17942 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
17943 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17944 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17945 (TARGET_C99_FUNCTIONS): Don't define.
17946 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
17947 GLIBC_DYNAMIC_LINKER.
17948 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
17949 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
17950 GLIBC_DYNAMIC_LINKER64): Define.
17951 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
17952 LINUX_DYNAMIC_LINKER64.
17953 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17954 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17955 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
17956 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17957 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17958 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17959 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
17960 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
17961 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
17962 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
17963 and LINUX_DYNAMIC_LINKER32.
17964 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17965 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17966 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
17967 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17968 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
17970 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
17971 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
17972 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
17973 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17974 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
17975 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
17976 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
17977 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
17978 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17979 LINUX_DYNAMIC_LINKER): Define.
17980 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
17981 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
17982 GLIBC_DYNAMIC_LINKER64): Define.
17983 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
17984 LINUX_DYNAMIC_LINKER64.
17985 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17986 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17987 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
17988 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17989 LINUX_DYNAMIC_LINKER): Define.
17990 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17991 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
17992 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
17993 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
17994 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
17995 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
17996 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
17997 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
17998 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
17999 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18000 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18001 * doc/invoke.texi (-muclibc): Remove caveat about supported
18004 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
18006 * doc/cpp.texi (__TIMESTAMP__): Document.
18008 2006-02-17 Roger Sayle <roger@eyesopen.com>
18010 PR middle-end/25600
18011 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
18012 C is one less than the width of X (and related transformations).
18013 * simplify-rtx.c (simplify_unary_operation_1): Transform
18014 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
18015 depending on STORE_FLAG_VALUE, were C is one less then the
18018 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
18020 Fix PR tree-optimization/26341
18021 * tree-ssa-operands.c (add_virtual_operand): Remove assert
18022 about NAME_MEMORY_TAG's.
18024 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18027 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
18028 with hardware float support, and software float support. Add fcpy
18029 alternative to hardware patterns. Add alternatives to copy between
18030 general and floating-point registers to the 32-bit pattern.
18031 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
18032 secondary reload to load a QI or HI mode constant into a floating
18034 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
18035 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
18037 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
18040 * config/rs6000/darwin.md (load_macho_picbase_si): Add
18042 (load_macho_picbase_di): Likewise.
18044 2006-02-16 Jeff Law <law@redhat.com>
18046 * tree-vrp.c (set_value_range_to_nonnegative): New function.
18047 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
18048 (ssa_name_nonzero_p): Likewise.
18049 (get_value_range): Return NULL if VRP is not running.
18050 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
18051 VRP routines do not discover a range.
18052 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
18053 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
18054 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
18055 (tree_expr_nonnegative_p): Similarly.
18056 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
18057 (restore_nonzero_vars_to_original_value): Remove.
18058 (unsafe_associative_fp_binop): Remove.
18059 (tree_ssa_dominator_optimize): Remove initialization and
18060 finalization of nonzero_vars and nonzero_vars_stack.
18061 (dom_opt_initialize_block): No longer push marker on
18062 nonzero_vars_stack.
18063 (dom_opt_finalize_block): No longer call
18064 restore_nonzero_vars_to_original_value.
18065 (record_equivalences_from_phis): No longer look for
18066 nonzero PHI arguments.
18067 (cprop_into_successor_phis): No longer propagate nonzero
18068 property into PHI arguments. Lose unused argument. Caller
18070 (record_equivalences_from_stmt): No longer record nonzero
18071 values for SSA_NAMEs.
18072 (lookup_avail_expr): No longer use nonzero_vars.
18074 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
18075 for sizetype when sizetype is unsigned.
18077 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
18079 PR rtl-optimization/25603
18080 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
18081 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
18082 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
18083 with new meaning of SETS.
18085 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
18090 * config/linux.opt: New file.
18091 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
18092 LINUX_DYNAMIC_LINKER): Define.
18093 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
18094 * config.gcc (*-*-linux*): Define extra_options.
18095 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
18096 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
18097 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
18098 GLIBC_DYNAMIC_LINKER.
18099 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
18100 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18101 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18102 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18103 * doc/invoke.texi (GNU/Linux Options): New section.
18105 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
18107 * config/sparc/sparc.md (setjmp): Rewrite.
18108 (setjmp_32): Delete.
18109 (setjmp_64): Likewise.
18111 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
18113 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
18116 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
18118 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
18121 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
18123 PR rtl-optimization/26296
18124 * Makefile.in (loop-invariant.c): Add except.h dependency.
18125 * loop-invariant.c: Include except.h.
18126 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
18128 2005-02-16 Paul Brook <paul@codesourcery.com>
18130 * reload1.c (emit_reload_insns): Invalidate dead input registers used
18133 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
18135 PR rtl-optimization/25636
18136 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
18137 when deciding whether an insn is an initializing insn.
18139 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
18141 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
18142 (tree_code_size): Ditto.
18143 * tree.h (struct tree_memory_tag): Remove parent_var.
18144 (struct tree_struct_field_tag): New.
18147 (union tree_node): Add sft member.
18148 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
18150 (create_sft): Add size and offset argument, set SFT_OFFSET and
18152 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
18153 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
18154 * tree-flow-inline.h (get_subvar_at): Update for
18155 SFT_OFFSET/SFT_SIZE.
18156 (var_can_have_subvars): Ditto.
18157 (overlap_subvar): Ditto.
18158 * print-tree.c (print_node): Print out interesting things for
18160 * tree-flow.h (struct subvar): Remove offset and size members.
18161 * tree-ssa-operands.c (get_expr_operands): Update for
18162 get_indirect_ref_operands changes.
18163 (get_indirect_ref_operands): Call add_virtual_operand instead of
18164 add_stmt_operand. Only recurse on base var if requested.
18165 (access_can_touch_variable): New function.
18166 (add_stmt_operand): Split virtual operand handling into ...
18167 (add_virtual_operand): Here. Add offset, size, and for_clobber
18168 arguments. Prune alias sets.
18169 (add_call_clobber_ops): Call add_virtual_operand.
18171 2006-02-15 Jakub Jelinek <jakub@redhat.com>
18173 PR middle-end/26300
18174 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
18176 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
18177 than TREE_CODE as index into omp_clause_num_ops array.
18179 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
18181 PR rtl-optimization/26184
18182 * modulo-sched.c (generate_reg_moves): Free bitmap vector
18184 * modulo-sched.c (sms_schedule): Free g_arr pointer.
18185 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
18186 must_precede, must_follow and tobe_scheduled.
18189 * opts.c (common_handle_option): Free new_option pointer.
18190 * df-core.c (df_analyze): Free postorder pointer.
18192 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
18194 * Makefile.in: Fix the examples about the use of stamps
18196 2006-02-15 Michael Matz <matz@suse.de>
18198 PR middle-end/22275
18200 * stor-layout.c (layout_decl): Zero-width bitfields aren't
18201 influenced by maximum_field_alignment or DECL_PACKED.
18202 (update_alignment_for_field): Ditto.
18203 (place_field): Ditto.
18204 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
18207 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
18209 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
18210 (debug_flow_info): Pass it.
18211 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
18212 * bb-reorder.c (reorder_basic_blocks): Likewise.
18213 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
18214 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
18215 * flow.c (life_analysis, recompute_reg_usage): Likewise.
18216 * gcse.c (gcse_main, bypass_jumps): Likewise.
18217 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
18218 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
18219 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
18220 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
18221 * rtl.h (dump_flow_info): Adjust prototype.
18222 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
18223 * var-tracking.c (variable_tracking_main): Likewise.
18224 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
18225 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
18228 2006-02-15 Marcin Dalecki <martin@dalecki.de>
18230 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
18233 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
18235 PR tree-optimization/26209
18236 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
18237 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
18239 * tree-cfg.c (replace_uses_by): Do not alter cfg.
18241 2006-02-14 Roger Sayle <roger@eyesopen.com>
18243 PR middle-end/23670
18244 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
18245 (X,Y) and the corresponding symmetry related transformations.
18246 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
18247 (X,Y) and its symmetry related transformations.
18249 2006-02-14 Roger Sayle <roger@eyesopen.com>
18251 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
18254 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
18256 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
18258 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
18261 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
18262 support COMDAT group.
18263 * configure: Regenerate.
18265 2006-02-14 Roger Sayle <roger@eyesopen.com>
18267 PR middle-end/26279
18268 PR middle-end/26280
18269 PR middle-end/26283
18270 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
18272 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
18274 Fix PR tree-optimization/26260
18276 * doc/invoke.texi (max-fields-for-field-sensitive): Document
18278 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
18279 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
18280 * tree-ssa-structalias.c (create_variable_info_for): Use
18281 MAX_FIELDS_FOR_FIELD_SENSITIVE.
18283 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
18285 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
18287 * tree-ssa-loop-niter.c (number_of_iterations_ne,
18288 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
18289 of the ending condition.
18290 * tree-ssa-loop-manip.c: Include params.h.
18291 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
18292 tree_unroll_loop): New functions.
18293 * tree-pass.h (pass_loop_prefetch): Declare.
18294 * loop.c (rest_of_handle_loop_optimize): Test for
18295 -fprefetch-loop-arrays-rtl.
18296 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
18297 * timevar.def (TV_TREE_PREFETCH): New timevar.
18298 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
18299 pass_loop_prefetch): New.
18300 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
18301 (cleanup_tree_cfg_loop): Call scev_reset.
18302 * common.opt (fprefetch-loop-arrays-rtl): Add.
18303 * tree-ssa-loop-prefetch.c: New file.
18304 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
18305 (new_temp_expr_table): Initialize expr_vars.
18306 (free_temp_expr_table): Cleanup expr_vars.
18307 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
18308 expressions from being merged into one.
18309 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
18310 (struct tree_niter_desc): Add control, bound and cmp fields.
18311 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
18313 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
18314 (tree-cfgcleanup.o): Add SCEV_H dependency.
18315 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
18316 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
18318 2006-02-14 Richard Guenther <rguenther@suse.de>
18320 PR tree-optimization/26258
18321 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
18322 in PHI argument processing.
18324 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
18326 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
18327 new expression in the requested machine mode.
18329 2006-02-13 Roger Sayle <roger@eyesopen.com>
18331 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
18332 directly, instead let do_compare_rtx_and_jump handle this for us.
18333 * expr.c (expand_expr_real_1): Likewise.
18334 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
18335 before do_jump_by_parts_greater.
18336 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
18337 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
18339 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18341 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
18343 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
18345 PR rtl-optimization/26235
18346 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
18347 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
18350 2006-02-13 Jeff Law <law@redhat.com>
18352 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
18355 2006-02-13 Jakub Jelinek <jakub@redhat.com>
18357 PR middle-end/26092
18358 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
18359 twice if decl is a builtin. When trying again, call get_callee_fndecl
18360 first to verify it is still a builtin.
18362 2006-02-13 Geoffrey Keating <geoffk@apple.com>
18364 * dwarf2out.c (base_type_die): Don't add AT_name here.
18365 (subrange_type_die): Don't add AT_name here.
18366 (modified_type_die): Rearrange code flow. Do add AT_name here.
18368 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
18370 PR rtl-optimization/26247
18371 PR rtl-optimization/26248
18372 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
18374 2006-02-13 Richard Sandiford <richard@codesourcery.com>
18376 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
18377 * config/fixtfdi.c: Likewise.
18378 * config/fixunstfdi.c: Likewise.
18379 * config/floatditf.c: Likewise.
18381 2006-02-13 Roger Sayle <roger@eyesopen.com>
18383 PR middle-end/24427
18384 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
18385 into (X,C2) if C1 is a subset of the bits of C2. Transform
18386 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
18388 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
18390 2006-02-13 Josh Conner <jconner@apple.com>
18393 * varasm.c (function_section): Check for section name before
18394 calling select_section on targets that define
18395 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
18396 unlikely_text_section instead of hot_function_section if
18397 first_function_block_is_cold.
18399 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
18401 PR middle-end/25335
18402 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
18404 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18406 PR rtl-optimization/26222
18407 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
18408 after tree->rtl expansion.
18409 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
18410 before passing it to emit_move_insn.
18412 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
18414 * doc/invoke.texi (-Write-strings): Document that it is enabled by
18416 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
18417 Clarify documentation.
18418 * c-common.h (warn_write_strings): Remove.
18419 * c-common.c (warn_write_strings): Likewise.
18420 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
18423 2006-02-12 Roger Sayle <roger@eyesopen.com>
18425 PR middle-end/25724
18426 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
18427 (do_jump_parts_zero_rtx): New function renamed from
18428 do_jump_parts_equality_rtx. Made static. Add a mode argument.
18429 (do_jump_parts_equality_rtx): New function split out from
18430 do_jump_parts_equality. Old implementation renamed as above.
18431 Call do_jump_parts_zero_rtx if either operand is zero.
18432 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
18433 do all of the heavy lifting.
18434 (do_compare_rtx_and_jump): Handle multi-word comparisons by
18435 calling either do_jump_by_parts_greater_rtx or
18436 do_jump_by_parts_equality_rtx.
18437 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
18438 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
18439 moved to do_compare_rtx_and_jump, call it directly.
18440 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
18441 mode argument. Call do_compare_rtx_and_jump.
18442 (emit_case_nodes): Update calls to do_jump_if_equal.
18444 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18446 PR rtl-optimization/26225
18447 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
18449 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18451 PR rtl-optimization/26232
18452 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
18454 2006-02-11 Jason Merrill <jason@redhat.com>
18457 * tree-inline.c (declare_return_variable): Just don't use the
18458 modify target if it's a gimple complex reg and the return slot
18461 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18463 * doc/contrib.texi: Update my entry.
18465 2006-02-10 Geoffrey Keating <geoffk@apple.com>
18467 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
18469 2006-02-10 Diego Novillo <dnovillo@redhat.com>
18471 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
18474 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
18476 * doc/invoke.texi (-floop-optimize2): Removed.
18477 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
18478 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
18479 Test flag_branch_on_count_reg only if HAVE_doloop_end.
18480 * common.opt (floop-optimize2): Removed.
18481 (fmove-loop-invariants): Enabled by default.
18483 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
18485 * tree-if-conv.c (combine_blocks): Free the result of
18486 get_loop_exit_edges.
18488 2006-02-10 Jeff Law <law@redhat.com>
18490 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
18492 PR tree-optimization/26213
18493 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
18494 loop trying to follow SSA_NAME_VALUE chains.
18496 2006-02-10 Richard Guenther <rguenther@suse.de>
18498 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
18499 deal with structures that end in implicitly variable sized arrays.
18501 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
18503 PR rtl-optimization/24762
18504 * df-scan.c (df_bb_refs_record): Record correct registers defined on
18507 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
18509 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
18510 (struct ivopts_data): Add regs_used field.
18511 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
18512 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
18513 instead of loop_data->regs_used;
18514 (free_loop_data): Do not free aux fields for loops.
18515 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
18516 and tree_ssa_iv_optimize_finalize.
18518 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
18520 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
18522 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
18525 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
18526 computing the effective result type.
18528 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
18530 PR inline-asm/16194
18531 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
18532 (tree_overlaps_hard_reg_set): Declare.
18533 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
18534 type and signature to match function type expected by walk_tree.
18535 (tree_overlaps_hard_reg_set): New function.
18536 (decl_conflicts_with_clobbers_p): Rename to:
18537 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
18538 Use tree_overlaps_hard_reg_set. Changed caller.
18539 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
18540 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
18541 * cris.c (cris_md_asm_clobbers): Likewise.
18543 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
18545 * reload1.c (emit_input_reload_insns): Delete code that tries to
18546 inherit using find_equiv_reg.
18548 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
18550 * c-common.h (flag_const_strings): Don't declare.
18551 * c-common.c (flag_const_strings): Remove.
18552 * c.opt (fconst_strings): Remove.
18553 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
18554 <OPT_Wwrite_strings>: Don't set flag_const_strings.
18555 (c_common_init_options): Don't set flag_const_strings.
18556 * doc/invoke.texi (-fno-const-strings): Remove documentation.
18558 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
18560 * arm.md (tlobits_cbranch): New pattern.
18561 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
18562 testing a single bit.
18564 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18567 * tree-ssa-pre.c (create_component_ref_by_pieces):
18568 Handle RETURN_DECL like VAR_DECL.
18570 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18572 PR middle-end/26134
18573 * fold-const.c (fold_indirect_ref_1): Fold
18574 "*(foo *)&complexfoo" to "__real__ complexfoo"
18575 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
18577 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18579 * tree-flow-inline.h (var_can_have_subvars):
18580 Volatile variables should not have subvariables.
18582 2006-02-09 Diego Novillo <dnovillo@redhat.com>
18585 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
18586 multiplying unsigned values.
18589 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
18591 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
18593 2006-02-08 Jason Merrill <jason@redhat.com>
18596 * tree.def: Elaborate on difference from MODIFY_EXPR.
18597 * doc/c-tree.texi (INIT_EXPR): Likewise.
18598 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
18599 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
18600 (gimplify_target_expr): Likewise.
18601 (gimplify_cond_expr): Remove target handling.
18602 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
18603 (gimplify_expr): Clobber it here.
18604 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
18605 Do return slot optimization if we have an INIT_EXPR.
18608 * tree-inline.c (declare_return_variable): Also clear
18609 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
18612 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
18614 PR middle-end/22439
18615 * gimplify.c (gimplify_one_sizepos): Fix typo.
18617 2006-02-08 Jeff Law <law@redhat.com>
18619 PR tree-optimization/21417
18620 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
18621 across a backedge if the control statement at the end of the
18622 block is data dependent on other statements in the same block.
18623 (record_temporary_equivalences_from_stmts): Remove over-conservative
18624 test for threading across backedges.
18626 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
18627 control statement, handle all three special cases in the same
18628 manner as they all have the same desired solution. No longer
18629 special case edge flag updating when the post dominator is
18632 2006-02-08 Roger Sayle <roger@eyesopen.com>
18634 * tree.def (CHAR_TYPE): Remove.
18635 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
18636 * dwarf2out.c (base_type_die, is_base_type): Likewise.
18637 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
18638 (gen_string_type_die): Delete unreachable function.
18640 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
18641 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
18642 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
18643 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
18644 * builtins.c (type_to_class): Likewise.
18645 * fold-const.c (fold_convert, build_range_check,
18646 merge_ranges): Likewise.
18647 * expr.c (count_type_elements): Likewise.
18648 * c-pretty-print.c (pp_c_type_specifier): Likewise.
18649 * stor-layout.c (layout_type): Likewise.
18650 * ipa-type-escape.c (type_to_consider): Likewise.
18651 * gimplify.c (omp_firstprivatize_type_sizes,
18652 gimplify_type_sizes): Likewise.
18653 * explow.c (promote_mode): Likewise.
18654 * tree-sra.c (is_sra_scalar_type): Likewise.
18655 * varasm.c (output_constant): Likewise.
18656 * tree-inline.c (remap_type_1): Likewise.
18657 * convert.c (convert_to_pointer, convert_to_real,
18658 convert_to_integer, convert_to_complex): Likewise.
18660 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
18662 * df-scan.c (df_def_record_1): A set destination may
18663 be a parallel regardless of mode.
18665 2006-02-08 Roger Sayle <roger@eyesopen.com>
18668 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
18669 * config/mips/_tilib.c: Remove.
18670 * config/fixtfdi.c: New libgcc source file.
18671 * config/fixunstfdi.c: New source file.
18672 * config/floatditf.c: New source file.
18673 * config/floatunditf.c: New souce file.
18674 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
18675 files above instead of config/mips/_tilib.c.
18676 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
18678 2006-02-08 Jeff Law <law@redhat.com>
18680 PR tree-optimization/26169
18681 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
18684 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
18686 * df.h (DF_REG_SIZE): Return the length of the initialized
18689 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
18691 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
18692 __muldf3): Return a correctly signed zero.
18694 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
18696 * passes.c (register_one_dump_file): Accept the current properties
18697 instead of pass number. Adjust call to dump_register. Remove
18699 (register_dump_files): Now a wrapper around...
18700 (register_dump_files_1): ... this one. Do not modify the pass
18702 (next_pass_1): Cosmetic fix.
18703 (execute_todo): Keep second parameter only. Use curr_properties
18704 instead of fetching it from the pass structure. Check and set
18706 (execute_one_pass): Handle TODO_set_props. Use curr_properties
18707 instead of fetching it from the pass structure. Fix calls to
18708 execute_todo. Update curr_properties and initialize .vcg RTL dump
18709 after running the pass. Reset last_verified.
18710 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
18712 (FIRST_AUTO_NUMBERED_DUMP): New.
18713 (dump_register): Remove "num" parameter, assign it within the
18715 (get_dump_file_name): Modify template for dumps.
18716 * tree-dump.h (dump_register): Adjust prototype.
18717 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
18718 (PROP_trees): Add PROP_gimple_lomp.
18719 (TODO_set_props): New.
18720 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
18721 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
18722 * cfgexpand.c (pass_expand): Destroy PROP_trees.
18724 2006-02-08 Jakub Jelinek <jakub@redhat.com>
18726 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
18727 (sparc64-*-linux*): Likewise.
18728 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
18729 * config/sparc/t-linux: New file.
18730 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
18731 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
18732 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
18733 -m32 -mlong-double-128.
18735 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
18736 * config/alpha/t-linux: New file.
18737 * config/alpha/libgcc-alpha-ldbl.ver: New file.
18739 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
18740 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
18741 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
18742 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
18743 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
18744 (CPP_ARCH32_SPEC): Remove.
18746 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
18748 PR tree-optimization/26145
18749 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
18752 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18755 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
18756 >= 240000 when generating code for SOM runtime.
18757 (output_indirect_call): Don't use "b,l" instruction for indirect calls
18758 to $$dyncall when generating code for SOM runtime..
18760 2006-02-07 Dirk Mueller <dmueller@suse.com>
18763 * doc/invoke.texi (-Wsequence-point): Update documentation
18764 that -Wsequence-point is implemented for C++ as well.
18766 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
18768 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
18769 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
18770 (LIB_SPEC): Likewise.
18771 * doc/invoke.texi (SPARC options): Document -pthread.
18773 2006-02-07 Geoffrey Keating <geoffk@apple.com>
18775 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
18778 2006-02-07 Roger Sayle <roger@eyesopen.com>
18780 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
18781 Correct comment describing BOOLEAN_TYPE.
18783 2006-02-07 Dirk Mueller <dmueller@suse.com>
18785 * c.opt: C++ frontend supports -Wdiv-by-zero.
18786 * c-opts.c (c_common_handle_option): Remove dead case.
18788 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
18790 * configure.ac (TLS assembler check): Do not enable TLS by
18791 default on SPARC/Solaris before version 10.
18792 * configure: Regenerate.
18794 2006-02-07 David Edelsohn <edelsohn@gnu.org>
18796 * doc/invoke.texi (xl-compat): Document conversion and support
18799 2006-02-07 Jeff Law <law@redhat.com>
18801 * tree-vrp.c (find_conditional_asserts): Update comments.
18802 (simplify_stmt_for_jump_threading): New.
18803 (identify_jump_threads, finalize_jump_threads): New.
18804 (vrp_finalize): Call identify_jump_threads.
18805 (execute_vrp): Call finalize_jump_threads.
18806 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
18807 (vrp_element, vrp_data, vrp_element_p): Remove.
18808 (vrp_hash_elt, vrp_variables_stack): Remove.
18809 (vrp_hash, vrp_eq, record_range): Remove.
18810 (simplify_cond_and_lookup_avail_expr): Remove.
18811 (extract_range_from_cond): Remove.
18812 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
18813 (simplify_stmt_for_jump_threading): New.
18814 (dom_thread_across_edge): New wrapper.
18815 (tree_ssa_dominator_optimize): No longer initialize or
18816 finalize any of the VRP datastructures. Remove iteration
18817 step and simplify as a result of removal of iteration step.
18818 (pass_dominator): Perform a cfg cleanup after DOM.
18819 (dom_opt_finalize_block): Use the new common routines
18820 for threading jumps. Simplify stack management slightly.
18821 No longer need to unwind VRP state.
18822 (record_equivalences_from_incoming_edge): No longer record
18824 (eliminate_redundant_computations): No longer call
18825 simplify_cond_and_lookup_avail_expr.
18826 * tree-flow.h (potentially_threadable_block): Prototype.
18827 (thread_across_edge): Likewise.
18828 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
18829 (tree-ssa-threadedge.o): Add dependencies.
18830 * tree-ssa-threadedge.c: New file.
18831 * passes.c (init_optimization_passes): Merge PHIs before
18832 calling VRP. Run VRP again late in the SSA optimization pipeline.
18834 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
18836 * df-core.c (df_set_blocks): Do not dereference function pointers.
18837 (df_finish1): Likewise.
18838 (df_hybrid_search_forward): Likewise.
18839 (df_hybrid_search_backward): Likewise.
18840 (df_iterative_dataflow): Likewise.
18841 (df_analyze_problem): Likewise.
18842 (df_compact_blocks): Likewise.
18843 (df_dump): Likewise.
18844 * df-scan.c (df_rescan_blocks): Likewise.
18845 (df_record_entry_block_defs): Likewise.
18847 * genconditions.c (write_conditions): Guard the definition of
18848 'insn_conditions' with the check on GCC version.
18849 (write_writer): Guard the traversal 'insn_conditions' with
18850 the check on GCC version.
18852 2006-02-07 Richard Guenther <rguenther@suse.de>
18856 2006-01-30 Richard Guenther <rguenther@suse.de>
18858 * gimplify.c (gimplify_target_expr): Handle easy cases
18859 without creating a temporary.
18861 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
18863 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
18864 use of float in probability computations. Use edge probabilities
18865 in place of statically computed probabilities.
18866 (min_spec_prob): New static variable.
18867 (schedule_insns): Initialize it.
18868 (GET_SRC_PROB): Removed.
18869 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
18871 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
18874 * config/ia64/unwind-ia64.c: Revert last change.
18875 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
18876 (INCOMING_FRAME_SP_OFFSET): Define.
18878 2006-02-06 Roger Sayle <roger@eyesopen.com>
18880 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
18882 2006-02-07 Ben Elliston <bje@au.ibm.com>
18884 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
18885 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
18886 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
18887 (ix86_return_in_memory): Handle TDmode.
18888 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
18889 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
18891 2006-02-06 Richard Sandiford <richard@codesourcery.com>
18893 * reorg.c (dbr_schedule): Use dump_file instead of file.
18895 2006-02-06 Steve Ellcey <sje@cup.hp.com>
18898 * config/ia64/predicates.md (extr_len_operand): New predicate.
18899 * config/ia64/ia64.md (extv): Tighten constraints.
18901 (*tbit_and_2): Ditto.
18902 (*tbit_and_3): Ditto.
18903 (*tbit_or_2): Ditto.
18904 (*tbit_or_3): Ditto.
18905 (*bit_zero): Ditto.
18908 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
18911 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
18913 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
18915 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
18916 loop_optimizer_init and loop_optimizer_finalize
18917 * tree-ssa-sink.c (execute_sink_code): Ditto.
18918 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
18919 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
18920 tree_ssa_loop_done): Ditto.
18921 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
18922 * sched-ebb.c: Include output.h.
18923 (schedule_ebbs): Do not use dump argument.
18924 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
18925 * loop.c (loop_dump_stream): Removed.
18926 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
18928 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
18929 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
18930 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
18931 loop_iterations, strength_reduce, record_biv, record_giv,
18932 final_giv_value, check_final_value, check_ext_dependent_givs,
18933 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
18934 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
18935 dump_file instead of loop_dump_stream.
18936 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
18937 argument dump_file.
18938 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
18940 * flow.c (life_analysis, rest_of_handle_life): Ditto.
18941 * haifa-sched.c: Include output.h
18942 (schedule_insns, sched_init): Do not use dump argument.
18943 * mode-switching.c (optimize_mode_switching): Ditto.
18944 * modulo-sched.c (stats_file): Removed.
18945 (print_node_sched_params): Do not call argument dump_file.
18946 (sms_schedule_by_order, loop_canon_p, sms_schedule,
18947 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
18949 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
18951 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
18952 rtl_loop_init, rtl_loop_done): Ditto.
18953 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
18954 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
18956 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
18957 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
18958 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
18959 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
18960 * emit-rtl.c (renumber_insns): Ditto.
18961 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
18962 expand_gimple_basic_block, tree_expand_cfg): Ditto.
18963 * regclass.c (regclass): Ditto.
18964 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
18965 remove_ssa_form, rewrite_out_of_ssa): Ditto.
18966 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
18967 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
18969 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
18970 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
18972 * gcse.c (gcse_file, debug_stderr): Removed.
18973 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
18974 rest_of_handle_gcse): Do not use dump argument.
18975 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
18976 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
18977 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
18978 compute_code_hoist_vbeinout, compute_code_hoist_data,
18979 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
18980 compute_store_table, build_store_vectors, insert_insn_start_bb,
18981 insert_store, remove_reachable_equiv_notes, replace_store_insn,
18982 store_motion): Use dump_file instead of gcse_file.
18983 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
18984 * profile.c (profile_dump_file): Removed.
18985 (branch_prob): Use dump_file instead of profile_dump_file.
18986 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
18988 * tree-ssa-copy.c (dump_copy_of): Ditto.
18989 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
18990 dump file to life_analysis.
18991 * bt-load.c (branch_target_load_optimize): Ditto.
18992 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
18994 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
18995 regclass, dbr_schedule): Declaration changed.
18996 * sched-int.h (sched_init): Declaration changed.
18997 * tree-profile.c (tree_profile_dump_file): Removed.
18998 (tree_profile_hooks): Removed profile_dump_file hook.
18999 * rtl-profile (rtl_profile_dump_file): Removed.
19000 (rtl_profile_hooks): emoved profile_dump_file hook.
19001 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
19003 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
19004 * tree-cfg.c (build_tree_cfg): Ditto.
19005 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
19006 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
19007 Declaration changed.
19008 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
19009 life_analysis and schedule_insns.
19010 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
19012 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
19014 * config/mips/mips.c (mips_reorg): Ditto.
19015 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
19018 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
19020 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19021 (s390_mangle_fundamental_type): New.
19022 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19025 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19026 (alpha_mangle_fundamental_type): New.
19027 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19030 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19032 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19034 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19035 (sparc_mangle_fundamental_type): New.
19037 2006-02-06 Jakub Jelinek <jakub@redhat.com>
19039 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
19040 (s390x-*-linux*): Likewise.
19041 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
19042 * config/s390/t-linux: New file.
19044 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
19046 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
19047 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
19049 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
19051 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
19052 (ANTIC_SAFE_LOADS): New macro.
19053 (find_or_generate_expression): Add prototype.
19054 (set_contains_value): Allow null set for sake of not always having
19055 to allocate ANTIC_SAFE_LOADS.
19056 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
19057 Allow COMPONENT_REF too.
19058 (valid_in_set): Allow COMPONENT_REF.
19059 Check ANTIC_SAFE_LOADS too.
19060 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
19061 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
19063 (can_PRE_operation): Add COMPONENT_REF.
19064 (create_component_ref_by_pieces): New function.
19065 (create_expression_by_pieces): Use create_component_ref_by_pieces.
19066 (insert_aux): Move AGGREGATE_TYPE_P check here.
19067 (compute_avail): Set bb local stmt uids.
19068 (pass_pre): Use TODO_update_ssa_only_virtuals.
19070 2006-02-06 Ben Elliston <bje@au.ibm.com>
19072 * configure.ac: Unconditionally disable decimal float by default.
19073 * configure: Regenerate.
19075 2006-02-06 Ben Elliston <bje@au.ibm.com>
19077 * read-rtl.c (read_name): Terminate reading on EOF.
19079 2006-02-06 Ben Elliston <bje@au.ibm.com>
19081 * dfp.c (decimal_real_arithmetic): Change second argument type
19082 from int to enum tree_code. Do not always return true, but now
19083 return result of any call to decimal_do helper functions.
19084 * dfp.h (decimal_real_arithmetic): Update prototype.
19086 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
19088 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
19090 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
19093 * tree-cfg.c (cleanup_dead_labels): Also don't remove
19096 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
19098 * tree-vrp.c (cfg_loops): Removed.
19099 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
19100 Use current_loops instead of cfg_loops. Pass flags to
19101 loop_optimizer_init.
19102 * cfgloopmanip.c (fix_loop_structure): Update only available
19104 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
19105 loop_optimizer_init.
19106 * modulo-sched.c (build_loops_structure): Removed.
19107 (sms_schedule): Use loop_optimizer_init.
19108 * loop-init.c (loop_optimizer_init): Use flags to determine
19109 which properties of loops to prepare.
19110 (rtl_loop_init): Pass flags to loop_optimizer_init.
19111 * tree-ssa-sink.c (execute_sink_code): Ditto.
19112 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
19113 * tree-ssa-pre.c (init_pre): Ditto.
19114 * cfgloop.h (LOOPS_NORMAL): New.
19115 (loop_optimizer_init): Declaration changed.
19117 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19119 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
19120 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
19122 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
19124 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
19126 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
19127 * pa/t-pa64: Delete quadlib.c rule.
19128 * pa/x-ada: Revert last change.
19129 * pa/t-pa: Revert last change. Delete quadlib.c rule.
19131 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
19133 PR rtl-optimization/26087
19134 * rtlanal.c (canonicalize_condition): Do not cross basic block
19137 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
19140 * config/ia64/ia64.c: Include debug.h.
19141 (MAX_ARTIFICIAL_LABEL_BYTES): New.
19142 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
19143 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
19144 (process_epilogue, process_set, process_for_unwind_directive):
19145 Output unwind info only if requested. Add CFA info if requested.
19146 Add new arguments as needed. Adjust callers.
19147 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
19149 (DWARF2_FRAME_INFO): Define to zero.
19150 * config/ia64/unwind-ia64.c: Remove code that compensated for
19151 the CFA offset error fixed above.
19152 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
19153 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
19154 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
19155 -funwind-tables and -fexceptions to enable frame info.
19156 (dwarf2out_frame_init): Define initial CFA even if
19157 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
19158 DWARF2_UNWIND_INFO is nonzero, not just defined.
19159 (dwarf2out_frame_finish): Output non-EH call frame info only
19160 if DWARF2_FRAME_INFO is nonzero.
19161 (convert_cfa_to_loc_list,
19162 compute_frame_pointer_to_cfa_displacement): Define even if
19163 unwind info is not supported.
19164 (gen_subprogram_die): Use the above unconditionally. Remove
19165 legacy alternate code.
19166 * toplev.c (compile_file): Compile in call to
19167 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
19168 (lang_dependent_init): Ditto for dwarf2out_frame_init.
19170 2006-02-04 David Edelsohn <edelsohn@gnu.org>
19171 Jakub Jelinek <jakub@redhat.com>
19173 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
19174 IBM extended float format long double as "g" on powerpc*-linux.
19176 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19179 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
19180 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
19182 2006-02-03 Jason Merrill <jason@redhat.com>
19185 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
19187 PR middle-end/25977
19188 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
19189 on the return slot if it's an NRV.
19191 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
19193 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
19194 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
19195 rewrite_use): Do not handle USE_OUTER.
19196 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
19197 add_iv_outer_candidates, may_replace_final_value,
19198 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
19199 (find_interesting_uses_op): Functionality of
19200 find_interesting_uses_outer_or_nonlin moved here.
19201 (find_interesting_uses_outside): Use find_interesting_uses_op.
19203 2006-02-03 Alan Modra <amodra@bigpond.net.au>
19206 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
19208 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
19209 Ulrich Weigand <uweigand@de.ibm.com>
19212 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
19213 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
19214 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
19215 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
19217 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
19218 (s390_rtx_costs): Use the new fields to calculate rtx costs.
19219 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
19220 Define secondary reloads for TFmode moves.
19221 (constant_modes): Add TFmode.
19222 (NR_C_MODES): Set to 8.
19223 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
19225 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
19226 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
19227 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
19228 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
19229 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
19230 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
19231 (FPR mode macro): Add TFmode.
19232 (DSF mode macro): New.
19233 (<de>, <dee> mode attributes): Removed.
19234 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
19235 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
19236 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
19237 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
19238 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
19239 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
19240 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
19241 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
19242 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
19243 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
19244 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
19245 "*negabs<mode>2", "sqrt<mode>2"):
19246 Changed <de> to <xde>. R constraint replaced by <Rf>.
19247 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
19249 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
19250 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
19251 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
19253 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
19254 "extenddftf2", "extendsftf2"): New expanders.
19255 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
19256 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
19257 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
19258 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
19260 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
19261 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
19262 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
19263 __floatditf): Add a GCC_4.1.0 symbol version tag.
19264 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
19267 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
19270 * config/i386/i386.c (ix86_function_ok_for_sibcall):
19271 Use targetm.binds_local_p instead of TREE_PUBLIC.
19273 2006-02-02 Roger Sayle <roger@eyesopen.com>
19275 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
19276 on INTEGER_TYPEs to indicate that it denotes a character type.
19277 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
19278 signed_char_type_node, unsigned_char_type_node and char_type_node.
19279 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
19280 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
19281 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
19283 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
19284 Daniel Berlin <dberlin@dberlin.org>
19286 * tree-tailcall.c (arg_needs_copy_p): New function.
19287 (eliminate_tail_call): Use arg_needs_copy_p.
19288 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
19289 (add_virtual_phis): New function.
19291 2006-02-02 Jakub Jelinek <jakub@redhat.com>
19293 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
19294 #ignore instead of #scratch for %g7 .register directive.
19296 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
19298 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
19301 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
19303 * flow.c (calculate_global_regs_live): Assert that there aren't any
19306 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
19308 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
19309 what its name says.
19310 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
19311 bsi_after_labels iterator.
19312 * tree-if-conv.c (find_phi_replacement_condition,
19313 replace_phi_with_cond_modify_expr): Likewise.
19314 * tree-scalar-evolution.c (scev_const_prop): Likewise.
19315 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
19317 2006-02-02 Diego Novillo <dnovillo@redhat.com>
19319 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
19321 2006-02-02 Diego Novillo <dnovillo@redhat.com>
19324 * tree-cfg.c (move_block_to_fn): Clear out the basic block
19325 array after growing it.
19327 2006-02-01 Steve Ellcey <sje@cup.hp.com>
19329 PR middle-end/24901
19330 * fold-const.c (fold_checksum_tree): Change type of buf.
19332 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
19334 * reload.c (push_secondary_reload): Initialize t_icode.
19336 2006-02-01 Jakub Jelinek <jakub@redhat.com>
19338 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
19339 -msoft-float -mlong-double-128 only issue a warning, but don't
19340 swich to DFmode long double.
19342 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
19344 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
19345 has a constant equivalent, iterate over equivalents for arg0,
19346 calling simplify_relational_operation and if there's a result
19347 cheaper than X, apply fold_rtx and return the result.
19349 2006-02-01 Jan Hubicka <jh@suse.cz>
19351 * opts.c (no_unit_at_a_time_default): New global variable.
19352 (decode_options): Use it.
19353 * opts.h (no_unit_at_a_time_default): Declare.
19355 2006-02-01 Paul Brook <paul@codesourcery.com>
19357 * function.c (assign_parm_setup_reg): Use function argument promotion
19359 * expr.c (expand_expr_real_1): Use function argument promotion rules
19362 2006-02-01 Steve Ellcey <sje@cup.hp.com>
19364 * gcc.c (process_command): Change j to 'unsigned int'.
19366 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19368 PR middle-end/26001
19369 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
19370 Use the corrected index for the character
19371 out of the string constant.
19373 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19375 * mode-switching.c (optimize_mode_switching): Fix size
19376 allocated for bb_info[n_entities].
19378 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19380 * gcc.c (main): Correct type that is allocated for
19381 explicit_link_files.
19383 2006-01-31 Jakub Jelinek <jakub@redhat.com>
19385 * config/s390/s390.c (init_alignment_context): Set
19386 ALIAS_SET_MEMORY_BARRIER on the MEM.
19387 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
19389 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
19391 PR middle-end/25933
19392 * loop-unroll.c (unroll_loop_runtime_iterations): Free
19394 * tree-ssa-live.c (type_var_init): Allocate bitmap after
19397 2006-01-31 Marcin Dalecki <martin@dalecki.de>
19399 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
19400 * regrename.c: Ditto.
19401 * tree-ssa-loop-im.c: Ditto.
19402 * tree-dump.c: Ditto.
19403 * tree-complex.c: Ditto.
19404 * genrecog.c: Ditto.
19405 * tree-ssa-threadupdate.c: Ditto.
19407 * java/class.c: Ditto.
19408 * java/jcf-parse.c: Ditto.
19409 * java/resource.c: Ditto.
19410 * java/except.c: Ditto.
19411 * java/jvspec.c: Ditto.
19412 * java/jcf-write.c: Ditto.
19413 * java/jcf-path.c: Ditto.
19414 * java/gjavah.c: Ditto.
19415 * java/zextract.c: Ditto.
19416 * java/jcf-io.c: Ditto.
19417 * java/jcf.h: Ditto.
19418 * java/buffer.c: Ditto.
19419 * java/lang.c: Ditto.
19420 * java/parse-scan.y: Ditto.
19421 * java/lex.c: Ditto.
19422 * java/lex.h: Ditto.
19423 * cfgloopmanip.c: Ditto.
19424 * postreload-gcse.c: Ditto.
19425 * tree-ssa-loop-manip.c: Ditto.
19426 * postreload.c: Ditto.
19427 * tree-ssa-loop-ch.c: Ditto.
19430 * cppspec.c: Ditto.
19431 * diagnostic.c: Ditto.
19433 * genoutput.c: Ditto.
19435 * cfghooks.c: Ditto.
19436 * cfgloopanal.c: Ditto.
19437 * objc/objc-act.c: Ditto.
19439 * genextract.c: Ditto.
19440 * genautomata.c: Ditto.
19441 * pretty-print.c: Ditto.
19442 * genemit.c: Ditto.
19443 * cgraphunit.c: Ditto.
19445 * df-scan.c: Ditto.
19446 * haifa-sched.c: Ditto.
19447 * dominance.c: Ditto.
19449 * tree-ssa-loop-ivopts.c: Ditto.
19450 * df-core.c: Ditto.
19451 * mode-switching.c: Ditto.
19452 * modulo-sched.c: Ditto.
19454 * ipa-pure-const.c: Ditto.
19456 * fix-header.c: Ditto.
19458 * tree-stdarg.c: Ditto.
19459 * ipa-utils.c: Ditto.
19460 * loop-init.c: Ditto.
19461 * ipa-inline.c: Ditto.
19462 * cfganal.c: Ditto.
19464 * alloc-pool.c: Ditto.
19465 * dwarf2out.c: Ditto.
19467 * genattrtab.c: Ditto.
19468 * tree-ssa-loop-ivcanon.c: Ditto.
19469 * predict.c: Ditto.
19470 * timevar.c: Ditto.
19472 * fortran/gfortranspec.c: Ditto.
19473 * regmove.c: Ditto.
19474 * local-alloc.c: Ditto.
19475 * langhooks.c: Ditto.
19476 * function.c: Ditto.
19477 * tree-vectorizer.c: Ditto.
19479 * ipa-type-escape.c: Ditto.
19481 * tree-if-conv.c: Ditto.
19482 * profile.c: Ditto.
19484 * tree-data-ref.c: Ditto.
19485 * loop-unroll.c: Ditto.
19486 * treelang/treetree.c: Ditto.
19488 * bt-load.c: Ditto.
19489 * ggc-common.c: Ditto.
19491 * coverage.c: Ditto.
19493 * tree-cfgcleanup.c: Ditto.
19494 * tree-ssa-pre.c: Ditto.
19495 * cfgcleanup.c: Ditto.
19496 * loop-invariant.c: Ditto.
19497 * loop-iv.c: Ditto.
19498 * ipa-prop.c: Ditto.
19499 * print-tree.c: Ditto.
19500 * conflict.c: Ditto.
19501 * ggc-page.c: Ditto.
19502 * sched-deps.c: Ditto.
19503 * regclass.c: Ditto.
19504 * tree-object-size.c: Ditto.
19505 * combine.c: Ditto.
19506 * bb-reorder.c: Ditto.
19507 * resource.c: Ditto.
19508 * var-tracking.c: Ditto.
19509 * cfgloop.c: Ditto.
19510 * df-problems.c: Ditto.
19511 * reg-stack.c: Ditto.
19513 * gccspec.c: Ditto.
19514 * sched-rgn.c: Ditto.
19515 * tree-ssa-structalias.c: Ditto.
19516 * tree-ssa-reassoc.c: Ditto.
19517 * config/darwin-c.c: Ditto.
19518 * config/darwin.c: Ditto.
19519 * config/arm/arm.c: Ditto.
19521 * collect2.c: Ditto.
19522 * reload1.c: Ditto.
19524 2006-01-31 Nicolas Pitre <nico@cam.org>
19526 * arm.md (smaxsi3): Make aware of smax_m1.
19529 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
19531 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
19533 2006-01-31 Richard Guenther <rguenther@suse.de>
19535 * doc/invoke.texi (-msselibm): Document.
19536 * target.h (expand_library_builtin): New target hook.
19537 * builtins.c (expand_builtin): Use expand_library_builtin.
19538 (default_expand_library_builtin): New function.
19539 * gcc.c (LINK_GCC_MATH_SPEC): Define.
19540 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
19541 (link_gcc_math_spec): Declare.
19542 (static_specs): Add link_gcc_math_spec.
19543 * expr.h (default_expand_library_builtin): Declare.
19544 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
19545 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
19546 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
19547 * config/i386/i386.opt (msselibm): New target option.
19548 * config/i386/i386.c (ix86_builtin_function_variants): New array.
19549 (ix86_init_sse_abi_builtins): New function.
19550 (ix86_expand_library_builtin): Likewise.
19551 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
19552 (override_options): Handle error conditions wrt -msselibm.
19553 (ix86_builtins): Add function codes for SSE2 ABI builtins.
19554 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
19555 * doc/extend.texi (__builtin_sse2_*): Document new target specific
19558 2006-01-31 Richard Guenther <rguenther@suse.de>
19559 Paolo Bonzini <bonzini@gnu.org>
19561 * doc/install.texi (--disable-libgcc-math): Document.
19563 2006-01-30 Marcin Dalecki <martin@dalecki.de>
19565 * expr.h (expand_normal): new inline function.
19566 * builtins.c: use it, use EXPAND_NORMAL explicitely.
19567 * dojump.c: use it.
19568 * dwarf2out.c: use it.
19571 * expmed.c: use it.
19572 * except.c: use it.
19573 * config/sparc/sparc.c: use it.
19574 * config/i386/i386.c: use it.
19575 * config/rs6000/rs6000.c: use it.
19576 * config/arm/arm.c: use it.
19577 * config/mips/mips.c: use it.
19578 * stmt.c: use it, use EXPAND_NORMAL explicitely.
19580 2006-01-30 Roger Sayle <roger@eyesopen.com>
19582 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
19583 argv to the appropriate type.
19585 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
19587 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
19590 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
19593 * config/s390/s390.c (struct machine_function): New flag
19594 decomposed_literal_pool_addresses_ok_p.
19595 (s390_reorg): Set it before final stage of literal pool transforms.
19596 (s390_decompose_address): Only accept displacements of the form
19597 (minus (label_ref ...) (label_ref ...)) if that flag is set.
19599 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
19601 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
19602 the comparison routine return.
19604 2006-01-30 Michael Matz <matz@suse.de>
19606 * global.c (find_reg): Only evict for global regs.
19607 Take n_refs into account and dump more info.
19609 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
19612 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
19613 (pragma_trap, pragma_nosave_low_regs): Likewise.
19614 (current_function_anonymous_args): Likewise.
19615 (sh_deferred_function_attributes): New variable.
19616 (sh_deferred_function_attributes_tail): Likewise.
19617 (print_operand): For '@', look up trap_exit attribute.
19618 (calc_live_regs): Look up trapa_handler attribute. For trapa
19619 handlers, save/restore fpscr, but don't do any other
19620 interrupt-specific saves.
19621 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
19622 Fix check for partially saved registers to check for SHmedia.
19623 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
19624 (sh_output_function_epilogue): Don't clear any of the removed
19626 (sh_insert_attributes): Don't check pragma_interrupt.
19627 Insert deferred attributes. Check that interrupt attribute is
19628 present for other attributes that require its presence.
19629 (sh_attribute_table): Add new attributes trapa_handler and
19631 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
19632 Don't check for pragma_interrupt. Don't store argument.
19633 * sh.h (pragma_interrupt, sp_switch): Don't declare.
19634 (sh_deferred_function_attributes): Declare.
19635 (sh_deferred_function_attributes_tail): Likewise.
19636 * sh.md (sp_switch_1): Add operand. Change generator caller.
19637 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
19638 (*return_i): Don't use when trap_exit attribute is in effect.
19639 (*return_trapa): New insn pattern.
19640 * sh-c.c: New file.
19641 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
19642 setting c_target_objs and cxx_target_objs.
19643 * t-sh: Add rule for sh-c.o.
19645 2006-01-30 Richard Guenther <rguenther@suse.de>
19648 * gimplify.c (gimplify_target_expr): Handle easy cases
19649 without creating a temporary.
19651 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
19653 * vec.h (safe_grow): Remove duplicated line.
19655 2006-01-29 Diego Novillo <dnovillo@redhat.com>
19658 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
19659 (expand_omp): ... here.
19660 (expand_omp_parallel): Only remove barriers for combined
19661 parallel+workshare constructs.
19663 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
19667 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
19668 * tree.c (build_qualified_type): Chain the new type to the original
19669 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
19670 a POINTER_TYPE or a REFERENCE_TYPE respectively.
19671 (build_pointer_type_for_mode): Only return unqualified types.
19672 (build_reference_type_for_mode): Likewise.
19674 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
19676 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
19677 * Makefile.in (CXX_COMPAT_WARN): Define.
19678 * configure: Regenerate.
19680 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
19683 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
19686 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
19688 * toplev.c: Fix thinko.
19690 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
19691 Marcin Dalecki <martin@dalecki.de>
19693 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
19694 (push_srcloc): Use XNEW.
19695 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
19697 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
19699 * df-core.c (df_set_blocks): Deleted all variable.
19701 2006-01-28 Ian Lance Taylor <ian@airs.com>
19703 * cgraphunit.c (cgraph_assemble_pending_functions): Call
19704 cgraph_output_pending_asms.
19706 2006-01-28 Zack Weinberg <zackw@panix.com>
19708 * c.opt: Add -W(no-)overlength-strings.
19709 * doc/invoke.texi: Document it.
19710 * c-opts.c (c_common_handle_option): -pedantic implies
19711 -Woverlength-strings, if not explicitly disabled already.
19712 (c_common_post_options): -Woverlength-strings defaults to off, and
19713 is always off for C++.
19714 * c-common.c (fix_string_type): Issue warning about strings longer
19715 than is portable only if warn_overlength_strings. Rearrange code
19716 a little for clarity.
19717 * configure.in: Check for -Wno-overlength-strings as well before
19718 enabling -pedantic in stage 1.
19719 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
19720 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
19722 * genconditions.c (write_header, write_one_condition)
19723 (write_conditions, write_writer): Consolidate very long strings
19724 that were broken up to fit in C89 portable limit. Don't use
19725 printf when fputs will do.
19727 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
19729 * combine.c (simplify_comparison <AND>): Check
19730 TRULY_NOOP_TRUNCATION before start using a subreg.
19732 * config/mips/mips.md (*branch_zero<mode>,
19733 *branch_zero<mode>_inverted, *branch_equality<mode>,
19734 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
19735 Remove mode check from comparisons.
19737 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
19739 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
19741 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
19743 * expmed.c (const_mult_add_overflow_p): Remove.
19744 * expr.h: Remove the prototype for const_mult_add_overflow_p.
19746 * recog.c (validate_replace_rtx_subexp): Remove.
19747 * recog.h: Remove the prototype for
19748 validate_replace_rtx_subexp.
19750 * integrate.h: Remove the prototype for
19751 copy_decl_for_inlining.
19752 * rtl.h: Remove the prototype for mark_constant_function.
19753 * tree-vectorizer.h: Remove the prototype for
19754 vect_strip_conversion.
19756 * modulo-sched.c (create_partial_schedule,
19757 free_partial_schedule, reset_partial_schedule): Make them
19760 * hooks.c (hook_bool_rtx_int_false): Remove.
19761 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
19763 2006-01-28 David Edelsohn <edelsohn@gnu.org>
19765 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
19766 and -mlong-double-128 are incompatible.
19767 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
19768 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
19769 (TARGET_LIBGCC2_CFLAGS): Define.
19770 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
19771 (TARGET_LIBGCC2_CFLAGS): Same.
19772 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
19774 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
19777 * c-typeck.c (build_binary_op): Perform implicit casts of
19778 operands before shortening them.
19780 * cfgloopmanip.c (split_loop_bb): Remove.
19781 * cfgloop.h: Remove the prototype for split_loop_bb.
19783 * cfgloop.c (flow_loop_outside_edge_p): Remove.
19784 * cfgloop.h: Remove the prototype for
19785 flow_loop_outside_edge_p.
19787 * emit-rtl.c (init_virtual_regs): Make it static.
19788 * function.h: Remove the prototype for init_virtual_regs.
19790 * recog.c (peephole2_optimize): Make it static.
19791 * recog.h: Remove the prototype for peephole2_optimize.
19793 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
19795 * df-scan.c (df_record_entry_block_defs): Check if
19796 INCOMING_RETURN_ADDR_RTX is defined.
19798 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
19799 Kenneth Zadeck <zadeck@naturalbridge.com>
19801 PR rtl-optimization/24762
19802 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
19803 * targhooks.c (hook_void_bitmap): New hook prototype.
19804 * targhoohs.h (hook_void_bitmap): Ditto.
19805 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
19806 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
19807 * target.h (live_on_entry): New function pointer.
19808 * df-scan.c (df_all_hard_regs): Removed.
19809 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
19810 (df_scan_free_internal): Added df->entry_block_defs.
19811 (df_scan_alloc): Ditto.
19812 (df_scan_dump): Ditto.
19813 (df_uses_record): Plumbed flag field properly thru calls.
19814 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
19815 This part fixes PR24762.
19816 (df_bb_refs_record): Added code to make the frame and arg
19817 pointers live in EH blocks.
19818 (df_refs_record): Added call to df_record_entry_block_defs.
19819 (df_record_entry_block_defs): New function.
19820 * df-core.c: Added comments to describe new artifical defs.
19821 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
19822 (entry_block_defs): New field in struct df.
19823 (df_all_hard_regs): Deleted.
19824 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
19825 * df-problems.c (df_ru_bb_local_compute_process_def):
19826 Added code to handle artifical defs in the entry to a function.
19827 (df_ru_bb_local_compute): Ditto.
19828 (df_rd_bb_local_compute_process_def): Ditto.
19829 (df_rd_bb_local_compute): Ditto.
19830 (df_lr_bb_local_compute): Ditto.
19831 (df_ur_bb_local_compute): Ditto.
19832 (df_urec_bb_local_compute): Ditto.
19833 (df_chain_create_bb): Ditto.
19834 (df_ur_local_finalize): Removed entry.
19835 (df_urec_init): Ditto.
19836 (df_urec_local_finalize): Ditto.
19837 (df_ri_bb_compute): Added detection of last use of pseudos.
19838 * Makefile.in (df-scan.o): Updated dependencies.
19839 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
19840 * config/mips/mips.c (mips_set_live_on_entry): Added.
19841 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
19843 * dce.c (marked_insn_p): Added code to handle artifical defs.
19845 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
19847 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
19849 (_mm_cvtsi128_si64): Likewise.
19850 (_mm_cvtsd_si64): Likewise.
19851 (_mm_cvttsd_si64): Likewise.
19852 (_mm_cvtsi64_sd): Likewise.
19853 (_mm_cvtsi64_si128): Likewise.
19854 * config/i386/mmintrin.h (_m_from_int64): Likewise.
19855 (_mm_cvtsi64_m64): Likewise.
19856 (_m_to_int64): Likewise.
19857 (_mm_cvtm64_si64): Likewise.
19858 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
19859 (_mm_cvttss_si64): Likewise.
19860 (_mm_cvtsi64_ss): Likewise.
19861 (_mm_cvtss_f32): Likewise.
19863 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
19865 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
19866 for pragma redefine_extname.
19868 2006-01-27 Jakub Jelinek <jakub@redhat.com>
19871 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
19872 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
19873 -mno-minimal-toc to previous content.
19874 (bispecs): Remove goal.
19875 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
19876 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
19877 compatibility aliases on powerpc-*-*gnu*.
19878 * config/rs6000/libgcc-ppc-glibc.ver: New file.
19879 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
19880 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
19881 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
19882 (ldblspecs): New goal.
19883 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
19884 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
19886 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
19887 L_sf_to_tf or L_df_to_tf is defined.
19889 2006-01-27 David Edelsohn <edelsohn@gnu.org>
19890 Alan Modra <amodra@bigpond.net.au>
19893 * config/rs6000/linux.h (POWERPC_LINUX): Define.
19894 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
19895 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
19896 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
19897 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
19898 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
19899 (rs6000_override_options): Initialize rs6000_ieeequad.
19900 Initialize TFmode format to ibm_extended_format if not
19902 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
19904 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
19905 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
19906 (function_arg_advance): IBM long double passed in two FPRs, not
19908 (function_arg): IBM long double passed in FPRs.
19909 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
19910 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
19911 Only multireg GPR aligned.
19912 (rs6000_init_libfuncs): Enable IBM long double functions if not
19914 (rs6000_generate_compare): Use IBM long double compare if not
19916 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
19917 (TARGET_IEEEQUAD): Define.
19918 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
19919 not TARGET_IEEEQUAD.
19920 * config/rs6000/rs6000.md: Enable TFmode patterns if
19922 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
19923 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
19924 and -mlong-double-128 are incompatible.
19925 * doc/invoke.texi (-mabi): Collect options together. Add
19926 ibmlongdouble and ieeelongdouble.
19928 2006-01-27 Richard Sandiford <richard@codesourcery.com>
19930 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
19932 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
19933 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
19934 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
19935 * rtl.h (rtunion_def): Remove rt_ptr.
19937 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
19938 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
19939 * config/i386/winnt.c (i386_pe_mark_dllexport)
19940 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
19942 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
19944 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
19946 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
19950 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
19951 pthread_key_delete. From John David Anglin. gthrw-ify
19952 pthread_getunique_np only if it it's not a macro. Delete
19954 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
19955 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
19956 __gthread_objc_condition_signal, __gthread_key_delete): Add
19957 "__attribute__ ((__unused__))" to unused arguments.
19958 (__gthread_recursive_mutex_init_function): Add missing return.
19959 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
19960 gthr-posix95.h: Use macro-based approach for name redirection
19961 on targets missing weakref.
19963 2006-01-26 Zack Weinberg <zackw@panix.com>
19965 * genconditions.c (write_header): In generated code, #ifdef out
19966 all includes and fake declarations, except includes of bconfig.h
19967 and system.h, unless GCC_VERSION >= 3001. Do not include
19968 gensupport.h in any case.
19969 (write_conditions): Generate a definition of struct c_test. Add
19970 a comment to the generated #endif.
19971 (write_one_condition): Escape backslashes in string too.
19972 (write_writer): Generated code must escape backslashes and quote
19973 marks (but not newlines) in the strings it writes.
19974 * Makefile.in (build/gencondmd.o): Update dependencies.
19976 2006-01-26 Steve Ellcey <sje@cup.hp.com>
19979 * Makefile.in (insn-automata.o): Add header file dependencies.
19980 * genautomata.c: Add includes.
19982 2006-01-26 Steve Ellcey <sje@cup.hp.com>
19985 * Makefile.in (insn-automata.o): Add -Wno-error flag.
19987 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
19989 * configure.ac: Expect target tools paths to be passed from the toplevel
19990 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
19992 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
19994 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
19997 * c.opt (Wpointer-sign): Init to -1.
19998 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
19999 OPT_pedantic, to 0 otherwise.
20000 * doc/invoke.texi: Update.
20002 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
20004 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
20005 constants provided by 80387 instructions in the destination mode.
20007 2006-01-26 Richard Guenther <rguenther@suse.de>
20008 Andrew Pinski <pinskia@physics.uc.edu>
20011 partial PR tree-opt/17064
20012 * tree-ssa-structalias.c (intra_create_variable_infos):
20013 Create heap variables for incoming parameters if
20014 flag_argument_noalias > 1.
20015 (find_what_p_points_to): Look through default defs of
20018 2006-01-26 Jeff Law <law@redhat.com>
20021 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
20022 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
20023 within the VR_RANGE, use the VR_RANGE as the result, not the
20025 (adjust_range_with_scev): Reject ranges from SCEV which are out of
20026 bounds for the type.
20028 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
20030 * tree-ssa-alias.c (maybe_create_global_var): Change
20031 subvar walking to an assertion that we don't have subvar'd variables.
20033 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
20036 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
20037 Use a new variable, inner. PARM_DECLs are always non-weak.
20039 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
20041 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
20042 --disable-checking.
20044 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
20046 * config/mips/mips.md (*clear_upper32): New combiner pattern.
20048 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
20050 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
20051 (smax_insn, smin_insn, smax_0, smin_0): New.
20053 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
20056 * config/cris/cris.c (cris_order_for_addsi3): New function.
20057 * config/cris/cris-protos.h: Prototype it.
20058 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
20059 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
20060 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
20061 (split for "op.S1 [rx=rx+i],ry (swapped)")
20062 (split for "op(s|u).S1 [rx=rx+i],ry")
20063 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
20064 Apply cris_order_for_addsi3 when generating addsi3 insns.
20066 2006-01-25 Diego Novillo <dnovillo@redhat.com>
20068 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
20069 (TREE_BLOCK): Add call to EXPR_CHECK.
20071 2006-01-25 Diego Novillo <dnovillo@redhat.com>
20074 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
20075 * tree-pretty-print.c (dump_omp_clause): Extract from ...
20076 (dump_omp_clauses): ... here.
20077 (dump_generic_node): Handle OMP_CLAUSE.
20078 * tree.c (omp_clause_num_ops): New.
20079 (omp_clause_code_name): New.
20080 (tree_code_size): Handle OMP_CLAUSE.
20081 (tree_size): Likewise.
20082 (make_node): Document handling of OMP_CLAUSE.
20083 (tree_node_structure): Handle OMP_CLAUSE.
20084 (omp_clause_check_failed): New.
20085 (omp_clause_range_check_failed): New.
20086 (omp_clause_operand_check_failed): New.
20087 (build_omp_clause): New.
20088 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
20089 * tree.h (enum omp_clause_code): Declare.
20090 (OMP_CLAUSE_SUBCODE_CHECK): Define.
20091 (OMP_CLAUSE_RANGE_CHECK): Define.
20092 (OMP_CLAUSE_ELT_CHECK): Define.
20093 (omp_clause_check_failed): Declare.
20094 (omp_clause_operand_check_failed): Declare.
20095 (omp_clause_range_check_failed): Declare.
20096 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
20097 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
20098 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
20099 (OMP_CLAUSE_LASTPRIVATE): Likewise.
20100 (OMP_CLAUSE_IF_EXPR): Likewise.
20101 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
20102 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
20103 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
20104 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
20105 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
20106 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
20107 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
20108 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
20109 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
20110 (OMP_CLAUSE_CODE): Define.
20111 (OMP_CLAUSE_SET_CODE): Define.
20112 (OMP_CLAUSE_CODE): Define.
20113 (OMP_CLAUSE_OPERAND): Define.
20114 (struct tree_omp_clause): Declare.
20115 (union tree_node): Add field 'omp_clause'.
20116 * treestruct.def (TS_OMP_CLAUSE): Define.
20117 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
20118 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
20119 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
20120 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
20121 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
20122 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
20123 (OMP_CLAUSE): Define.
20124 * print-tree.c (print_node): Handle OMP_CLAUSE.
20125 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
20126 * c-typeck.c: Likewise.
20127 * gimplify.c: Likewise.
20128 * c-omp.c: Likewise.
20129 * tree-nested.c: Likewise.
20130 * tree-inline.c: Likewise.
20131 * c-parser.c: Likewise.
20132 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
20135 2006-01-25 Roger Sayle <roger@eyesopen.com>
20137 PR rtl-optimization/25703
20138 * combine.c (try_combine): Handle zero_extract and strict_low_part
20139 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
20141 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
20143 * global.c: Fix comment typos.
20145 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
20148 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
20149 Use output_addr_const instead of assemble_name.
20151 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
20153 * Makefile.in (sched-vis.o): Update dependencies.
20154 * haifa-sched.c (sched_finish): Clear current_sched_info.
20155 * cfg.c (dump_bb_info): New, split from dump_flow_info.
20156 (dump_flow_info): Call it.
20157 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
20159 * basic-block.h (dump_bb_info): Declare.
20160 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
20161 option, and apply options only for dump files whose TDF_RTL,
20162 TDF_TREE, or TDF_IPA bits match.
20163 * rtl.h: Declare new functions exported from sched-vis.c.
20164 * sched-vis.c: Enable also if scheduling is not used.
20165 (print_value): Print the mode of registers if not inside scheduling.
20166 (print_insn): Make it work outside the scheduler. Beautify the output
20168 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
20170 2006-01-25 Richard Sandiford <richard@codesourcery.com>
20172 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
20173 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
20174 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
20175 depending on the value of CONSTANT_POOL_ADDRESS_P.
20176 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
20178 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
20179 rather than SYMBOL_REF_DECL.
20180 (rtx_constant_pool): Remove const_rtx_sym_htab.
20181 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
20182 (init_varasm_status): Don't initialize const_rtx_sym_htab.
20183 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
20184 Remove handling of const_rtx_sym_htab.
20185 (find_pool_constant): Delete.
20186 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
20187 rather than find_pool_constant.
20188 (get_pool_constant_for_function): Delete.
20189 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
20190 find_pool_constant.
20191 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
20192 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
20193 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
20194 (SYMBOL_REF_CONSTANT): New macro.
20195 (get_pool_constant_for_function): Delete.
20196 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
20197 rather than SYMBOL_REF_DECL.
20198 (i386_pe_mark_dllimport): Likewise.
20199 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
20200 rather than SYMBOL_REF_DECL.
20201 * config/darwin.c (machopic_indirect_data_reference): Likewise.
20202 (machopic_indirect_call_target): Likewise.
20204 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
20206 * flow.c (delete_noop_moves): Add missing EOL to dump message.
20208 2006-01-25 Richard Sandiford <richard@codesourcery.com>
20210 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
20212 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
20214 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
20216 2006-01-24 David Daney <ddaney@avtrex.com>
20219 * configure.ac (enable_tls): New enable option.
20220 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
20221 * configure: Regenerate.
20222 * doc/install.texi (--enable-tls): Document new option.
20223 (--disable-tls): Ditto.
20225 2006-01-24 Richard Henderson <rth@redehat.com>
20227 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
20228 * alias.c (true_dependence): Respect it.
20229 (canon_true_dependence, write_dependence_p): Likewise.
20230 * builtins.c (get_builtin_sync_mem): Set it.
20232 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
20234 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
20237 2006-01-24 DJ Delorie <dj@redhat.com>
20239 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
20240 for storing constants in single-bit bitfields.
20242 2006-01-25 Ben Elliston <bje@au.ibm.com>
20244 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
20246 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
20249 * tree-ssa-pre.c (phi_translate): Return NULL
20250 for AGGREGATE_TYPE's.
20252 2006-01-24 Zack Weinberg <zackw@panix.com>
20254 * genautomata.c (process_state_for_insn_equiv_partition):
20255 Use xcalloc for insn_arcs_array.
20256 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
20257 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
20259 2006-01-24 Richard Henderson <rth@redhat.com>
20261 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
20262 update all callers.
20264 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
20266 PR rtl-optimization/25890
20267 PR rtl-optimization/25905
20268 * combine.c (expand_compound_operation, expand_field_assignment):
20269 Fail if the bitfield's final position is out of bounds.
20271 2006-01-24 Ian Lance Taylor <ian@airs.com>
20273 PR middle-end/25930
20274 * cgraphunit.c (cgraph_output_in_order): Don't clear
20275 cgraph_asm_nodes until after asm strings have been output.
20277 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
20279 * fix-header.c (read_scan_file): Add new parameter imultilib when
20280 calling register_include_chains.
20282 2006-01-23 Diego Novillo <dnovillo@redhat.com>
20284 * omp-low.c: Update documentation.
20286 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
20287 Daniel Berlin <dberlin@dberlin.org>
20291 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
20292 return from the function.
20294 2006-01-22 Zack Weinberg <zackw@panix.com>
20296 * rtl.def (match_code): Add second argument.
20297 * genpreds.c (write_extract_subexp): New function.
20298 (write_match_code): Add path argument. Use write_extract_subexp.
20299 (write_predicate_expr): Pass path to write_match_code.
20300 (mark_mode_tests): MATCH_CODE applied to a subexpression does
20301 not perform a mode test.
20302 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
20303 a subexpression does not constrain the top-level code set.
20304 * read-rtl.c (read_rtx_variadic): New function.
20305 (read_rtx_1): Use it; allow AND and IOR to be variadic.
20306 * doc/md.texi: Document new notation.
20307 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
20308 (cmpsi_operand): ... here, using new notation.
20310 2006-01-22 Zack Weinberg <zackw@panix.com>
20312 * varray.c: Remove GENERATOR_FILE #ifdefs.
20314 2006-01-22 Zack Weinberg <zackw@panix.com>
20316 * genautomata.c (output_reserved_units_table): Emit nothing if
20317 description->query_units_num is zero. Remove extra blank line.
20318 (output_cpu_unit_reservation_p): Short circuit
20319 if description->query_units_num is zero.
20321 2006-01-22 Zack Weinberg <zackw@panix.com>
20323 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
20324 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
20325 nor any of the random handful of variables that used to be necessary
20326 when this program was linked with rtlanal.o. Prune set of forward
20327 function declarations.
20328 (struct attr_desc): Remove static_p field.
20329 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
20330 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
20331 (attr_string): Do not read the character one past the length of
20333 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
20334 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
20335 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
20336 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
20337 (make_automaton_attrs): New.
20338 (main): Do not call into genautomata. Call local gen_bypass
20339 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
20340 Remove special case for insn_alts.
20341 * genautomata.c: Include gensupport.h; not genattrtab.h nor
20342 varray.h (leftover from previous change). Prune set of forward
20343 function declarations. Remove state_alts fields from all
20344 structures. Remove state_alts_table from struct automaton.
20345 Make everything except main static. Do not maintain num_dfa_decls.
20346 Do not maintain state_alts fields of various structures.
20347 (process_decls): Don't validate condexp for dm_insn_reserv decls.
20348 (add_arc): Remove state_alts argument. All callers updated.
20349 (output_reserved_units_table): Emit #ifdef here...
20350 (output_tables): ...not here. Don't generate state_alts tables.
20351 (expand_automata): Don't generate attributes.
20352 (write_automata): Don't generate state_alts functions.
20353 (main): New function.
20354 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
20355 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
20356 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
20357 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
20358 (BYPASS_P_FUNC_NAME, output_state_alts_table)
20359 (output_automata_list_state_alts_code, output_internal_state_alts_func)
20360 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
20361 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
20363 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
20364 * genattrtab.h: Delete file.
20365 * Makefile.in (OBJS-common): Add insn-automata.o.
20366 (insn-automata.o): New rule.
20367 (simple_generated_c): Add insn-automata.c.
20368 (build/genattrtab.o, build/genautomata.o): Update dependencies.
20369 (genprogmd): Add automata.
20370 (build/genattrtab): Needs no extra objects nor libraries.
20371 (build/genautomata): Needs build/vec.o and -lm.
20373 2006-01-22 Zack Weinberg <zackw@panix.com>
20375 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
20376 (output_dfa_max_issue_rate, locked_states_num): Delete.
20377 (struct automaton): Add locked_states field.
20378 (output_dead_lock_vect): Save number of locked states in
20379 automaton->locked_states. If it is zero, don't print anything.
20380 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
20381 (output_internal_dead_lock_func): Only test the dead_lock_vect
20382 for automata that have locked states.
20383 (output_statistics): Always print the number of locked states for
20384 each automaton. Calculate total number of locked states here.
20385 (write_automata): Don't call output_dfa_max_issue_rate.
20386 * genattrtab.c: Define length_unit_log as a const variable.
20387 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
20388 max_insn_queue_index const.
20389 * final.c (length_unit_log): Declare const.
20390 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
20392 2006-01-22 Zack Weinberg <zackw@panix.com>
20394 * genautomata.c: Include vec.h, not varray.h.
20395 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
20396 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
20397 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
20398 VEC_* macros operating on appropriately typed vectors, or to
20399 malloced arrays when the size is known in advance. Const-ify
20400 many char* variables and function arguments. No functional changes.
20401 * Makefile.in (build/varray.o): Delete rule.
20402 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
20403 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
20405 2006-01-22 Zack Weinberg <zackw@panix.com>
20407 * gensupport.c: Define get_insn_name and record_insn_name here.
20408 (read_md_rtx): Call record_insn_name as appropriate.
20409 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
20410 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
20411 * genpreds.c, genrecog.c: Don't define get_insn_name nor
20413 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
20414 (BUILD_VARRAY): Delete.
20415 (genprognormal): Rename genprogmd. Fold in all programs from
20416 genprognoprint; also attrtab.
20417 (build/genattrtab): Just mention genautomata.o and varray.o.
20418 Reorganize a bit, add comments to make the categories clearer.
20420 2006-01-22 Zack Weinberg <zackw@panix.com>
20422 * genconditions.c (condition_table, add_condition): Delete.
20423 (write_conditions): Don't emit n_insn_conditions nor
20424 insn_elision_unavailable. Issue the gcc version #ifdef here,
20425 inside the table, with no #else clause ...
20426 (write_header): ...not here.
20427 (write_writer): New function.
20428 (main): Don't initialize condition_table. Use add_c_test.
20430 * gensupport.c (init_md_reader_args_cb): Handle multiple input
20431 files on the command line.
20432 (maybe_eval_c_test): Don't check insn_elision_unavailable.
20433 Return -1 if there is no entry in the table, don't abort.
20434 (add_c_test, traverse_c_tests): New functions.
20435 * gensupport.h (insn_elision_unavailable, insn_conditions)
20436 (n_insn_conditions): Delete declarations.
20437 (add_c_test, traverse_c_tests): Declare.
20438 * read-rtl.c: Include gensupport.h.
20439 (read_conditions): New function.
20440 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
20441 (read_rtx_1): If we get EOF when we were looking for an initial
20442 open paren, return 0. Call read_conditions when appropriate.
20443 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
20444 dummy-conditions.o. Eliminate references to insn-conditions.o,
20445 or change them to build/gencondmd.o, as appropriate. Remove
20446 insn-constants.h from $(simple_generated_h) and insn-conditions.c
20447 from $(simple_generated_c). For all files remaining in those
20448 two lists, add insn-conditions.md to the generator command line.
20449 Give insn-constants.h/s-constants their own rules. Add rules
20450 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
20451 (build/read-rtl.o): Depend on gensupport.h.
20452 (genprognormal): Include preds.
20453 (genprogearly): Rename genprognoprint; only difference is now that
20454 they don't link with $(BUILD_PRINT).
20455 * dummy-conditions.c: Delete.
20457 2006-01-22 Zack Weinberg <zackw@panix.com>
20459 * genextract.c: Don't include insn-config.h. Do include vec.h.
20460 Declare vectors of int, char, and locstr.
20461 (locstr): New typedef.
20462 (struct extraction): Make all array fields into bare pointers.
20463 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
20464 (insn_code_number): Delete.
20465 (accum_extract): New struct.
20466 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
20467 (gen_insn): Take insn_code_number as an argument. Use an
20468 accum_extract structure instead of loading data directly into
20469 a struct extraction, and having to know how big it might get.
20470 (walk_rtx): Operate entirely on an accum_extract structure.
20471 (print_path): Avoid unnecessary use of printf.
20472 (print_header): New function, split out of main. Distinguish
20473 more carefully between an unrecognizable insn and an insn that
20474 has the code number of a define_expand.
20475 (main): Pass insn_code_number to gen_insn. Call print_header
20476 only after parsing. Avoid unnecessary use of printf.
20477 * Makefile.in (build/vec.o): New rule.
20478 (build/genextract): Depend on build/vec.o.
20479 (build/genextract.o): Don't depend on insn-config.h.
20481 2006-01-22 Zack Weinberg <zackw@panix.com>
20483 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
20484 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
20485 practical. Eliminate per-generator-program link rules.
20487 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
20489 PR middle-end/24437
20490 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
20491 with a call expr to ...
20492 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
20494 2006-01-23 Richard Guenther <rguenther@suse.de>
20496 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
20497 before make_edge with conditional EDGE_TRUE_VALUE.
20499 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
20500 Jan Hubicka <jh@suse.cz>
20501 Richard Guenther <rguenther@suse.de>
20503 PR rtl-optimization/25654
20504 * cfgexpand.c (aggregate_contains_union_type): New function.
20505 (add_alias_set_conflicts): Call it. Make sure to add conflicts
20506 for structure variables that contain a union type.
20508 2006-01-23 Richard Sandiford <richard@codesourcery.com>
20510 * gengtype.c (new_structure): Return the structure.
20511 (create_option): Add an extra "next" argument.
20512 (create_field): New function.
20513 (adjust_field_rtx_def): Use create_option and create_field.
20514 Remove a now-unnecessary call to find_structure.
20515 (adjust_field_tree_def): Likewise.
20516 (note_yacc_type): Remove an unnecessary call to find_structure.
20517 * gengtype.h (new_structure): Return the structure.
20518 (create_option): Add an extra argument.
20519 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
20520 (option): Adjust calls to create_option.
20522 2006-01-22 David Edelsohn <edelsohn@gnu.org>
20524 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
20526 2006-01-22 Paul Brook <paul@codesourcery.com>
20527 Peter Barada <peter@the-baradas.com>
20529 * config/m68k/m68k.md: Add Coldfire FPU support.
20530 Define FP mode macro and associated attributes.
20531 Use it for float mode patterns.
20532 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
20533 (LIBCALL_VALUE): Use m68k_libcall_value.
20534 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
20535 (m68k_function_value): Ditto.
20536 (emit_move_sequence): Ditto.
20537 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
20538 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
20539 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
20540 (MULTILIB_EXCEPTIONS): Ditto.
20541 * config/m68k/m68k.opt: Add mcfv4e.
20542 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
20543 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
20544 (m68k_output_function_prologue): Save ColdFire FPU registers.
20545 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
20546 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
20547 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
20548 ColdFire FPU registers.
20549 (m68k_libcall_value, m68k_function_value): New functions.
20550 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
20551 (LIBCALL_VALUE): Use m68k_libcall_value.
20552 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
20553 (MASK_COLDFIRE): Add MASK_CFV4E.
20554 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
20555 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
20556 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
20557 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
20558 (GO_IF_LEGITIMATE_ADDRESS): Use it.
20559 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
20560 * doc/invoke.tex: Document -mcfv4e on m68k.
20562 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
20564 * doc/contribute.texi: Change CVS to SVN and update the corresponding
20567 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
20570 * c-opts.c (c_common_handle_option): Don't include
20571 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
20572 * doc/invoke.texi (C++ Dialect Options): Document that
20573 -Wnon-virtual-dtor is no longer included in -Wall.
20575 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
20577 * gcov.c (print_version), gcov-dump.c (print_version),
20578 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
20581 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
20583 * df-scan.c (problem_SCAN): Added NULL reset function.
20584 (df_scan_reset_blocks): Added code to call reset block function
20585 (df_bb_refs_delete) Fixed comment.
20586 (df_insn_refs_delete): Made tolerant of deleting non existent info
20587 for dataflow problems that need to be reset.
20588 * df-core.c (df_set_blocks): Ditto.
20589 * df.h (struct df_problem): Added reset_fun.
20590 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
20591 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
20592 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
20593 functions to clear out all references to def-use or use-def chains.
20595 2006-01-21 Ben Elliston <bje@au.ibm.com>
20597 * varasm.c (assemble_real): Initialise data array.
20599 2006-01-20 Paul Brook <paul@codesourcery.com>
20601 Merge from csl-arm-branch.
20602 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
20603 * config/arm/arm.md (movdi): Force operands[1] to a register
20604 if we have a non-register source.
20605 (*arm_movdi, *movdf_soft_insn): Require that one of the
20606 operands be a register.
20607 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
20608 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
20610 2006-01-20 DJ Delorie <dj@redhat.com>
20612 * varasm.c (initializer_constant_valid_p): Allow pointers
20613 initialized from integer constants of lesser precision.
20614 (output_constant): Allow non-int-sized pointer modes to be
20615 initialized from integer constants.
20617 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
20620 * cppdefault.h (struct default_include): Add multilib flag.
20621 * cppdefault.c (cpp_include_defaults): Set it.
20622 * c.opt (-imultilib): New option.
20623 * c-opts.c (imultilib): New.
20624 (c_common_handle_option): Handle -imultilib.
20625 (c_common_post_options): Likewise.
20626 * c-incpath.c (add_standard_paths, register_include_chains):
20628 * c-incpath.h (register_include_chains): Add extra parameter.
20629 * gcc.c (do_spec_1): Generate -imultilib option.
20630 (The Specs Language): Update %I description.
20631 (process_command): Update copyright notice.
20632 * doc/cppopts.texi (-imultilib): Document.
20633 * doc/invoke.texi (-imultilib): Include in option summary.
20634 (%I): Update specs documentation.
20636 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
20638 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
20640 2006-01-20 Richard Sandiford <richard@codesourcery.com>
20642 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
20645 2006-01-20 Richard Guenther <rguenther@suse.de>
20646 Steven Bosscher <stevenb.gcc@gmail.com>
20648 PR rtl-optimization/24626
20649 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
20650 EDGE_TRUE_VALUE if in RTL mode.
20653 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
20654 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
20656 2006-01-20 Dirk Mueller <dmueller@suse.com>
20659 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
20660 instead of a special NOP marker.
20661 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
20662 NOP marker handling.
20663 * c-common.h (empty_body_warning): Add forward declaration.
20664 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
20665 Now uses IS_EMPTY_STMT() instead of special NOP markers.
20667 2006-01-20 Paul Brook <paul@codesourcery.com>
20669 * Makefile.in (lang_checks): Keep going if mkdir fails.
20671 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
20673 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
20674 be able to clean out basic block when not necessary.
20675 (df_scan_free): Fixed to properly delete information if df is
20676 unused before calling df_finish.
20677 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
20678 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
20680 (df_bb_refs_delete): New function.
20681 (df_refs_delete): Moved per block code to df_bb_refs_delete.
20682 * df-core.c (df_set_blocks): Added code to properly clean out
20683 unused blocks if they are not part of the blocks to consider.
20684 Added additional null check.
20685 (df_compact_blocks): Added basic block parameter to free_bb_fun to
20686 be able to clean out basic block when not necessary
20687 * df.h (df_free_bb_function): Ditto.
20688 (df_bb_refs_delete): New function.
20689 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
20690 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
20691 basic block parameter to be able to clean out basic block when not
20693 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
20694 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
20695 Fixed to properly delete information if df is unused before
20698 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
20700 PR rtl-optimization/25799
20701 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
20702 Corrected confluence operator to remove bits from op2 before oring
20703 with op1 rather than removing bits from op1.
20704 (df_ru_transfer_function): Corrected test on wrong bitmap which
20705 caused infinite loop. Both of these problems were introduced in
20706 the dataflow rewrite.
20708 2006-01-19 DJ Delorie <dj@redhat.com>
20710 * reload1.c (find_reload_regs): Note the details of reload
20711 failures in the dump file.
20712 (spill_failure): Likewise.
20714 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
20716 * loop-iv.c: Include df.h and hashtab.h.
20717 (enum iv_grd_result): New enum.
20718 (DF_REF_IV, DF_REF_IV_SET): New macros.
20719 (struct biv_entry): New.
20720 (df, bivs): New global variables.
20721 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
20722 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
20724 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
20725 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
20726 analyzed_for_bivness_p, record_biv): New functions.
20727 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
20728 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
20729 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
20731 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
20733 (iv_number_of_iterations): Use new interface to iv analysis.
20734 * loop-unroll.c: Do not include varray.h.
20735 (analyze_iv_to_split_insn): Use new interface to iv
20737 * loop-unswitch.c (may_unswitch_on): Ditto.
20738 * df.c (df_bitmaps_free): Only work for bbs for that structures are
20740 (df_bb_modify): Realloc tables to the new index.
20741 (df_find_use): New function.
20742 * df.h (df_find_use): Declare.
20743 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
20745 * cfgloop.h (struct rtx_iv): Remove analysed field.
20746 (iv_get_reaching_def): Removed.
20747 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
20748 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
20749 (loop-iv.o): Add df.h and hashtab.h dependency.
20750 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
20752 2006-01-20 Alan Modra <amodra@bigpond.net.au>
20755 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
20757 (__floatundisf, __floatundidf): Likewise.
20758 * libgcc2.h (IS_IBM_EXTENDED): Define.
20760 2006-01-19 DJ Delorie <dj@redhat.com>
20762 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
20764 2006-01-19 Paul Brook <paul@codesourcery.com>
20766 * config/arm/arm.c (arm_compute_func_type): Treat all functions
20767 as nothrow when unwinding tables are disabled.
20769 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20772 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
20773 of bit-field" when in system header.
20775 2006-01-19 DJ Delorie <dj@redhat.com>
20777 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
20778 the 16 bit shift limit of the m16c.
20780 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
20783 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
20784 * config/i386/i386.c (output_set_got): Output the label if we have one
20785 for the TARGET_DEEP_BRANCH_PREDICTION case.
20787 2006-01-19 Jan Hubicka <jh@suse.cz>
20788 H.J. Lu <hongjiu.lu@intel.com>
20789 Evandro Menezes <evandro.menezes@amd.com>
20791 * invoke.texi (generic): Document
20793 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
20794 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
20795 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
20796 (x86_use_incdec, x86_pad_returns): New variables
20797 (TARGET_CPU_DEFAULT_generic): New constant
20798 (TARGET_CPU_DEFAULT_NAMES): Add generic.
20799 (enum processor_type): Add generic32 and generic64.
20800 * i386.md (cpu attribute): Add generic32/generic64
20801 (movhi splitter): Behave sanely when both partial_reg_dependency and
20802 partial_reg_stall are set.
20803 (K8 splitters): Enable for generic as well.
20804 * predicates.md (incdec_operand): Use TARGET_INCDEC
20805 (aligned_operand): Avoid memory mismatch stalls.
20806 * athlon.md: Enable for generic64, new patterns for 128bit moves.
20807 * ppro.md: Enable for generic32
20808 * i386.c (generic64_cost, generic32_cost): New.
20809 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
20810 (x86_use_leave): Enable for generic64. (x86_use_sahf,
20811 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
20812 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
20813 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
20814 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
20815 x86_partial_reg_dependency, x86_memory_mismatch_stall,
20816 x86_accumulate_outgoing_args, x86_prologue_using_move,
20817 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
20818 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
20819 Enable for generic.
20820 (x86_use_incdec, x86_pad_returns): New.
20821 (override_options): Add generic32 and generic64, translate "generic"
20822 to generic32/generic64 and "i686" to "generic32", refuse
20823 "generic32"/"generic64" as arch target.
20824 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
20825 (ix86_reorg): Honor PAD_RETURNS.
20827 2006-01-19 Diego Novillo <dnovillo@redhat.com>
20829 * tree-pretty-print.c (dump_generic_node): Handle
20830 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
20831 * cgraph.c (cgraph_expand_queue): Rename from
20832 cgraph_analyze_queue. Update all users.
20833 * cgraphunit.c (cgraph_assemble_pending_functions): Process
20834 cgraph_expand_queue.
20835 (cgraph_expand_all_functions): Likewise.
20836 (cgraph_finalize_pending_functions): Remove. Update callers.
20838 * tree.h (OMP_DIRECTIVE_P): Define.
20839 (OMP_PARALLEL_FN): Define.
20840 (OMP_PARALLEL_DATA_ARG): Define.
20841 (OMP_SECTIONS_SECTIONS): Define.
20842 * tree-pass.h (pass_expand_omp): Declare.
20843 * omp-low.c (struct omp_region): Declare.
20844 (struct omp_context): Remove fields 'parallel_type',
20845 'parallel_start_ix' and 'parallel_start_additional_args'.
20847 (struct omp_for_data): Rename from struct expand_omp_for_data.
20848 (omp_regions): New static variable.
20849 (root_omp_region): New static variable.
20850 (find_omp_clause): Make static.
20851 (is_in_combined_parallel_ctx): Remove.
20852 (is_combined_parallel): New.
20853 (extract_omp_for_data): Move earlier in the file.
20854 (workshare_safe_to_combine_p): New.
20855 (get_ws_args_for): New.
20856 (determine_parallel_type): Move earlier in the file.
20857 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
20859 (omp_copy_decl): Likewise.
20860 (create_omp_child_function): Likewise.
20861 (lookup_omp_region): New.
20862 (dump_omp_region): New.
20863 (debug_omp_region): New.
20864 (debug_all_omp_regions): New.
20865 (new_omp_region): New.
20866 (scan_omp_parallel): If parallel_nesting_level > 1, the
20867 directive is nested within another parallel directive.
20868 Set OMP_PARALLEL_FN.
20869 (scan_omp_for): Do not try to handle combined parallel+for
20871 Remove FIXME comment.
20872 (scan_omp_nested): Remove.
20873 (scan_omp_1): Do not call scan_omp_nested when
20874 parallel_nesting_level is > 1.
20875 Do not change the DECL_CONTEXT of local variables found.
20876 (lookup_decl_in_outer_ctx): New.
20877 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
20878 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
20879 (lower_reduction_clauses): Rename from expand_reduction_clauses.
20880 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
20881 If CTX is nested, lookup VAR in the outer context when
20882 building copy assignment.
20883 (lower_send_clauses): Rename from expand_send_clauses.
20884 If CTX is nested, lookup VAR in the outer context when
20885 building copy assignments.
20886 (lower_send_shared_vars): Rename from expand_send_shared_vars.
20887 If CTX is nested, lookup VAR in the outer context when
20888 building copy assignments.
20889 (expand_parallel_call): Rename from build_parallel_call.
20890 Handle combined parallel+workshare cases.
20891 Re-implement to emit code into the CFG.
20893 (expand_omp_parallel): Re-implement to emit code into the CFG.
20894 Call move_sese_region_to_fn to outline the sub-graph
20895 containing the parallel region.
20896 (expand_omp_for_1): Remove.
20897 (expand_omp_for_generic): Re-implement to emit code into the
20899 (expand_omp_for_static_nochunk): Likewise.
20900 (expand_omp_for_static_chunk): Likewise.
20901 (expand_omp_for): Likewise.
20902 (expand_omp_sections): Likewise.
20903 (remove_exit_barriers): New.
20904 (expand_omp_synch): New.
20906 (build_omp_regions_1): New.
20907 (build_omp_regions): New.
20908 (execute_expand_omp): New.
20909 (gate_expand_omp): New.
20910 (pass_expand_omp): Define.
20911 (lower_omp_sections): Rename from expand_omp_sections.
20912 Set OMP_SECTIONS_SECTIONS.
20913 (lower_omp_single_simple): Rename from expand_omp_single_simple.
20914 (lower_omp_single_copy): Rename from expand_omp_single_copy.
20915 (lower_omp_single): Rename from expand_omp_simple.
20916 (lower_omp_master): Rename from expand_omp_master.
20917 (lower_omp_ordered): Rename from expand_omp_ordered.
20918 (lower_omp_critical): Rename from expand_omp_critical.
20919 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
20920 (lower_omp_for): Re-implement.
20921 (lower_omp_parallel): Re-implement.
20922 (lower_regimplify): Rename from expand_regimplify.
20923 (lower_omp_1): Rename from expand_omp_1.
20924 If there are syntax errors in the program, replace every
20925 OpenMP directive with NOP.
20926 Call lower_omp_* instead of expand_omp_*.
20927 (lower_omp): Rename from expand_omp.
20929 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
20930 * tree-gimple.h (enum omp_parallel_type): Remove.
20931 (gimple_boolify): Declare extern.
20932 (find_omp_clause, determine_parallel_type): Remove.
20934 * gimple-low.c (lower_omp_directive): New.
20935 (lower_stmt): Call it.
20936 (record_vars_into): Move from ...
20937 (record_vars): ... here.
20938 Call record_vars_into with current_function_decl.
20940 * gimplify.c (struct gimplify_ctx): Remove fields
20941 combined_pre_p and combined_ctxp. Update users.
20942 (get_formal_tmp_var): Add documentation.
20943 (gimple_boolify): Make extern.
20944 (gimplify_expr_in_ctx): Remove. Update callers.
20945 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
20946 will always be a BIND_EXPR.
20947 (gimplify_expr): Handle OMP_RETURN_EXPR.
20948 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
20949 (OMP_PARALLEL): Add 3 operands.
20950 (OMP_SECTIONS): Add 1 operand.
20951 (OMP_RETURN_EXPR): Define.
20953 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
20954 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
20955 * tree-iterator.c (alloc_stmt_list): Assert that we are not
20956 creating a circular free list.
20957 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
20959 * tree-flow.h (move_sese_region_to_fn): Declare.
20960 (record_vars_into): Declare.
20961 * tree-cfg.c (make_omp_sections_edges): New.
20962 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
20963 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
20964 OMP_SECTIONS and OMP_SECTION.
20965 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
20966 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
20967 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
20968 (gather_blocks_in_sese_region): New.
20969 (struct move_stmt_d): Declare.
20970 (move_stmt_r): New.
20971 (move_block_to_fn): New.
20972 (move_sese_region_to_fn): New.
20974 * passes.c (init_optimization_passes): Schedule
20975 pass_expand_omp after pass_init_datastructures.
20977 * tree-ssa-operands.c (get_expr_operands): Handle
20978 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
20979 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
20981 2006-01-19 Jeff Law <law@redhat.com>
20983 * tree-vrp.c (extract_range_from_assert): Refine the result range
20984 if the variable referenced by the ASSERT_EXPR has a range and
20985 either the tentative result range or the previous range is a
20988 2006-01-19 Richard Sandiford <richard@codesourcery.com>
20990 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
20992 2006-01-19 Jan Hubicka <jh@suse.cz>
20994 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
20996 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
20998 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
20999 (expand_compound_operation, expand_field_assignment): Fail if the
21000 bit lengths of an extract operation are out of range.
21001 (make_extraction): Compute wanted_inner_mode based on the position
21002 and length of the extraction. Make it extraction_mode for non-constant
21003 positions, and do not modify offset in that case. When generating a
21004 new MEM, use a mode that can hold the extraction while keeping correct
21005 alignment. Remove code that supported MEMs wrapped by USEs.
21006 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
21008 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
21010 * config/s390/s390.md ("Y", "y"): New mode attribute.
21011 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
21012 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
21013 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
21014 "*addsi3_imm_cc", "*addsi3_carry1_cc",
21015 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
21016 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
21017 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
21018 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
21019 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
21020 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
21021 "addsi3", "subsi3"): Insn patterns removed.
21022 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
21023 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
21024 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
21025 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
21026 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
21027 "*sub<mode>3_cconly2"): New insn patterns.
21028 ("addsi3", "subsi3"): New expanders.
21030 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
21032 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
21033 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
21034 existing STMT_VINFO_VECTYPE if available.
21035 (vect_mark_relevant): Add special handling for stmts that are
21036 marked as STMT_VINFO_IN_PATTERN_P.
21037 (vect_analyze_loop): Call vect_pattern_recog.
21038 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
21039 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
21041 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
21042 (vect_recog_func_ptr): New function-pointer type.
21043 * tree-vect-patterns.c: New file.
21044 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
21045 (vect_recog_dot_prod_pattern, vect_pattern_recog):
21046 (vect_pattern_recog_1): New functions.
21047 (vect_pattern_recog_funcs): New array of function pointers.
21049 * tree-vectorizer.h (ternary_op): New enum value.
21050 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
21051 declaration. Revised documentation. Removed redundant dump prints.
21052 Removed redundant argument. Added support for reduction patterns.
21053 (vectorizable_reduction): Added support for reduction patterns.
21054 (vect_transform_stmt): Added support for patterns.
21056 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
21057 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
21058 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
21059 (expand_widen_pattern_expr): New function.
21060 (init_optabs): Initialize new optabs udot_prod_optab,
21062 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
21063 (sdot_prod_optab, udot_prod_optab): Define new optabs.
21064 (expand_widen_pattern_expr): New function declaration.
21065 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
21067 * tree-inline.c (estimate_num_insns_1): Added cases for new
21068 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
21069 * tree-pretty-print.c (dump_generic_node): Likewise.
21070 (op_prio): Likewise.
21071 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
21072 * tree-ssa-operands.c (get_expr_operands): Added case for
21074 * tree-vect-patterns.c (widened_name_p): New function.
21075 (vect_recog_dot_prod_pattern): Added function implementation.
21076 * tree-vect-transform.c (get_initial_def_for_reduction): Added
21077 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
21078 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
21079 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
21081 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
21082 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
21083 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
21084 (init_optabs): Initialize new optabs widen_ssum_optab,
21086 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
21087 (widen_ssum_optab, widen_usum_optab): Define new optabs.
21088 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
21089 use instead of type of def.
21090 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
21091 function implementation.
21092 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
21093 widen_ssumv8hi): New.
21095 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
21098 2006-01-19 Richard Sandiford <richard@codesourcery.com>
21101 * c-decl.c (add_flexible_array_elts_to_size): New function.
21102 (finish_decl): Use it.
21104 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
21106 * diagnostic.h: Include options.h.
21107 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
21108 dependancies for diagnostic.h.
21109 * Makefile.in (DIAGNOSTIC_H): Add options.h.
21111 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
21113 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
21114 (ssa_ro_call_cache_valid): Ditto.
21115 * tree-ssa-alias.c (sort_tags_by_id): New function.
21116 (init_transitive_clobber_worklist): Ditto.
21117 (add_to_worklist): Ditto.
21118 (mark_aliases_call_clobbered): Ditto.
21119 (compute_tag_properties): Ditto.
21120 (set_initial_properties): Ditto.
21121 (compute_call_clobbered): Ditto.
21122 (compute_may_aliases): Call compute_call_clobbered and grouping.
21123 (compute_flow_sensitive_aliasing): Remove clobbering related code.
21124 (compute_flow_insensitive_aliasing): Grouping now happens in our
21126 (setup_pointers_and_addressables): Remove clobbering related code.
21127 (add_may_alias): Ditto.
21128 (replace_may_alias): Ditto.
21129 (get_nmt_for): Ditto.
21130 (create_global_var):
21131 (is_escape_site): Return an escape_type enumeration.
21132 * tree-flow-inline.h (is_call_clobbered): Global var does not
21133 imply call clobbered.
21134 (mark_call_clobbered): Take a reason for marking this. Remove
21135 marking of globalness, and cache invalidation.
21136 (clear_call_clobbered): Remove cache invalidation code.
21137 * tree-dfa.c (dump_variable): If details is on, dump the reason
21139 * tree-outof-ssa.c (create_temp): Copy escape mask from original
21141 * tree-flow.h (struct ptr_info_def): Add escape mask member.
21142 (struct var_ann_d): Ditto.
21143 (enum escape_type): New.
21144 (mark_call_clobbered): Adjust prototype.
21145 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
21146 are never call clobbered.
21147 Record reasons for escaping.
21148 * tree-ssa-structalias.h (is_escape_site): Update prototype.
21149 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
21150 (ssa_ro_call_cache_valid): Ditto.
21151 (clobbered_v_may_defs): Ditto.
21152 (clobbered_vuses): Ditto.
21153 (ro_call_vuses): Ditto.
21154 (clobber_stats): New.
21155 (init_ssa_operands): Zero out clobber stats.
21156 (fini_ssa_operands): Print out clobber stats.
21157 (get_call_expr_operands): Pass callee fndecl to
21158 add_call_read_ops).
21159 (add_call_clobber_ops): Remove use of cache.
21160 Add use of PURE_CONST information.
21161 (add_call_read_ops): Remove use of cache.
21162 Add use of static not_read information.
21164 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
21166 Introduce TLS descriptors for i386 and x86_64.
21167 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
21168 (TARGET_ANY_GNU_TLS): New macro.
21169 (enum tls_dialect): Added TLS_DIALECT_GNU2.
21170 (struct machine_function): Add tls_descriptor_call_expanded_p.
21171 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
21172 (ix86_current_function_calls_tls_descriptor): Likewise.
21173 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
21174 (override_options): Introduce gnu2 tls dialect.
21175 (ix86_frame_pointer_required): Functions containing TLSCALLs are
21177 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
21179 (legitimize_tls_address): Adjust logic for GNU2 TLS.
21180 (ix86_init_machine_status): Initialize new field.
21181 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
21182 (ix86_tls_module_base): New.
21183 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
21184 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
21185 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
21186 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
21187 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
21188 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
21189 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
21190 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
21191 * config/i386/predicates.md (tls_modbase_operand): New.
21192 (tp_or_register_operand): New.
21194 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
21196 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
21197 (look_for_address_of): Ditto.
21198 (ipa_init): Walk the function decls.
21199 (static_execute): Don't set readonly on FUNCTION_DECL's.
21201 2006-01-18 Roger Sayle <roger@eyesopen.com>
21203 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
21204 for shifts where the source and destination registers are different.
21206 2006-01-18 Paul Brook <paul@codesourcery.com>
21208 Merge from csl-arm-branch.
21209 2005-03-14 Julian Brown <julian@codesourcery.com>
21210 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
21211 (aeabi_llsl): Likewise.
21212 (ashrdi3): Likewise.
21213 (aeabi_lasr): Likewise.
21214 (lshrdi3): Likewise.
21215 (aeabi_llsr): Likewise.
21216 2005-03-10 Julian Brown <julian@codesourcery.com>
21217 * config.gcc: Disable shared libgcc for SymbianOS.
21218 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
21220 2006-01-18 DJ Delorie <dj@redhat.com>
21222 * c-pragma.c (handle_pragma_diagnostic): New.
21223 (init_pragma): Register it.
21224 * doc/extend.texi: Document it.
21226 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
21227 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
21228 (diagnostic_context): Add classify_diagnostic[].
21229 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
21230 as errors if they're overridden to DK_WARNING.
21231 (diagnostic_initialize): Initialize classify_diagnostic[].
21232 (diagnostic_set_kind_override): New.
21233 (diagnostic_report_diagnostic): Check for kind changes.
21234 * opts.c (common_handle_option): Take lang_mask. Update callers.
21235 Handle OPT_Werror_.
21236 * common.opt (Werror=): New.
21237 * doc/invoke.texi: Document -Werror=*
21239 2006-01-18 Jeff Law <law@redhat.com>
21241 * tree-vrp.c (test_for_singularity): Correct test for new
21242 min limit. Use operand_equal_p rather than pointer equality
21243 for testing if new min/max values are equal.
21245 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
21246 using range information until after propagation and folding.
21248 2006-01-18 Richard Henderson <rth@redhat.com>
21249 Aldy Hernandez <aldyh@redhat.com>
21250 Jakub Jelinek <jakub@redhat.com>
21251 Diego Novillo <dnovillo@redhat.com>
21253 * omp-low.c: New file.
21254 * c-omp.c: New file.
21256 2006-01-18 Richard Henderson <rth@redhat.com>
21257 Jakub Jelinek <jakub@redhat.com>
21258 Diego Novillo <dnovillo@redhat.com>
21260 * doc/invoke.texi: Document -fopenmp.
21261 * tree-dump.h (debug_function): Declare.
21262 * hooks.c (hook_bool_tree_bool_false): New function.
21263 (hook_tree_tree_null): Remove.
21264 (hook_tree_tree_tree_null): New.
21265 * hooks.h: Update to match.
21266 * tree-pretty-print.c (debug_tree_chain): New.
21267 (print_generic_expr): Handle TDF_CHAIN.
21268 (dump_generic_node): Handle BLOCK.
21269 Do not abort with incomplete SWITCH_EXPRs.
21270 Do not dump body of an OpenMP directive if TDF_SLIM is given.
21271 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
21272 print space after directive name.
21273 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
21274 Handle OMP_MASTER and OMP_ORDERED.
21275 Handle printing of OMP_BODY just in one place, goto
21276 dump_omp_body in the rest of OMP_* nodes that have
21278 Don't handle clause nodes here. Update omp statements to
21279 use dump_omp_clauses.
21280 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
21281 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
21282 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
21283 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
21284 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
21285 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
21286 Adjust output for GOMP_PARALLEL.
21287 (dump_omp_clauses): New.
21288 (print_declaration): Dump DECL_VALUE_EXPR.
21289 (op_symbol_1): Split out of op_symbol.
21290 (dumping_stmts): Remove. Update all users.
21291 * cgraph.c (cgraph_analyze_queue): New.
21292 (cgraph_add_new_function): New.
21293 * cgraph.h (cgraph_analyze_queue): Declare.
21294 (cgraph_add_new_function): Declare.
21295 (cgraph_lower_function): Remove.
21296 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
21297 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
21298 and TYPE_P nodes in its default clause.
21299 (empty_body_p): New.
21300 (tree_range_check_failed): New.
21301 (build5_stat): New.
21302 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
21303 OMP_CLAUSE_REDUCTION_MERGE,
21304 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
21305 OMP_CLAUSE_PRIVATE_DEBUG,
21306 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
21307 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
21308 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
21309 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
21310 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
21311 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
21312 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
21313 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
21314 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
21315 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
21316 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
21317 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
21318 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
21319 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
21320 (TREE_RANGE_CHECK): New.
21321 (empty_body_p): Declare.
21322 (enum omp_clause_default_kind): New.
21323 (build_string_literal): Declare.
21324 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
21325 (build5_stat, build5): Declare.
21326 * tree-pass.h (TDF_CHAIN): Define.
21327 * tree-pass.h (PROP_gimple_lomp): Define.
21328 (pass_lower_omp): Declare.
21329 * diagnostic.h (debug_tree_chain): Declare.
21330 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
21332 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
21333 * builtins.c (build_string_literal): Make extern.
21334 * gcc.c (include_spec_function): New.
21335 (static_spec_functions): Add it.
21336 (main): Move load of libgomp.spec ...
21337 (LINK_COMMAND_SPEC): ... here.
21338 (link_gomp_spec): New.
21339 (static_specs): Include it.
21340 (LINK_COMMAND_SPEC): Add link_gomp.
21341 (GOMP_SELF_SPECS): New.
21342 (driver_self_specs): Include it.
21343 (switch_matches): Don't mark inline.
21344 (main): Load libgomp.spec.
21345 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
21346 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
21347 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
21348 * tree-gimple.h (enum omp_parallel): Declare.
21349 (determine_parallel_type): Declare.
21350 (omp_firstprivatize_variable): Declare.
21351 (omp_reduction_init): Declare.
21352 (diagnose_omp_structured_block_errors): Declare.
21353 (struct walk_stmt_info): Add want_return_expr.
21354 (struct walk_stmt_info): Add want_bind_expr, want_locations.
21355 (find_omp_clause): Declare.
21356 (insert_field_into_struct): Declare.
21357 (struct walk_stmt_info): Move from tree-nested.c
21358 (walk_stmts): Declare.
21359 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
21361 * cgraphunit.c (cgraph_lower_function): Make static.
21362 (cgraph_finalize_pending_functions): New.
21363 (cgraph_finalize_function): Call it.
21364 (cgraph_finalize_compilation_unit): Likewise.
21365 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
21366 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
21367 (BT_FN_UINT_UINT): New.
21368 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
21369 DEF_FUNCTION_TYPE_VAR_4): Document.
21370 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
21371 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
21372 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
21373 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
21374 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
21375 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
21376 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
21377 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
21378 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
21379 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
21380 into separate files.
21381 (DEF_GOMP_BUILTIN): New.
21382 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
21383 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
21384 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
21385 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
21386 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
21387 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
21388 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
21389 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
21390 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
21391 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
21392 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
21393 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
21394 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
21395 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
21396 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
21397 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
21398 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
21399 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
21400 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
21401 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
21402 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
21403 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
21404 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
21405 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
21406 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
21407 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
21408 * sync-builtins.def: New file, moved from builtins.def.
21409 * omp-builtins.def: New file, moved from builtins.def.
21410 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
21411 * gimple-low.c (lower_function_body): Clear data.
21412 (lower_stmt): Do not handle COMPOUND_EXPR.
21413 Remove call to print_node_brief.
21414 * c-tree.h (c_finish_omp_clauses): New prototype.
21415 (C_DECL_THREADPRIVATE_P): Define.
21416 (lookup_name_no_remap, c_omp_remap_private): Remove
21417 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
21418 (check_for_loop_decls): Update decl.
21419 (lookup_name_no_remap, c_omp_remap_private): Declare.
21420 (build_indirect_ref, build_modify_expr, pushdecl,
21421 pushdecl_top_level): Move to c-common.h.
21422 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
21423 before the switch, but just in the 2 places that need it.
21424 * c-decl.c (diagnose_mismatched_decls): Do not check for
21425 mismatched thread-local attributes when OLDDECL is marked
21426 threadprivate and NEWDECL has no thread-local attributes.
21427 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
21428 (c_gimple_diagnostics_recursively): Rename from
21429 c_warn_unused_result_recursively. Invoke
21430 diagnose_omp_structured_block_errors.
21431 (check_for_loop_decls): Return a singular decl found.
21432 * langhooks.c (lhd_omp_predetermined_sharing): Return
21433 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
21434 (lhd_omp_firstprivatize_type_sizes): New.
21435 (lhd_omp_assignment): New.
21436 (lhd_omp_predetermined_sharing): New.
21437 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
21438 (struct lang_hooks_for_types): Add
21439 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
21440 omp_predetermined_sharing, omp_disregard_value_expr,
21441 omp_private_debug_clause, omp_clause_default_ctor,
21442 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
21443 (c_finish_omp_clauses): New.
21444 (c_finish_bc_stmt): Diagnose break within omp for.
21445 (c_begin_omp_parallel, c_finish_omp_parallel): New.
21446 (build_unary_op): Return error_mark after reporting
21448 (build_modify_expr): Likewise.
21449 * gimplify.c: Include optabs.h and pointer-set.h.
21450 (enum gimplify_omp_var_data): Declare.
21451 (struct gimplify_omp_ctx): Declare.
21452 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
21454 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
21455 (push_gimplify_context, pop_gimplify_context): Allow nesting.
21456 (splay_tree_compare_decl_uid): New.
21457 (new_omp_context): New.
21458 (delete_omp_context): New.
21459 (gimple_add_tmp_var): Call omp_add_variable.
21460 (gimplify_bind_expr): Likewise.
21461 (gimplify_var_or_parm_decl): If omp_notice_variable returned
21462 true, disregard DECL_VALUE_EXPR on the decl if any.
21463 (gimplify_expr_in_ctx): New.
21464 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
21465 omp_add_variable, omp_notice_variable, omp_is_private
21466 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
21467 gimplify_adjust_omp_clauses, gimplify_omp_parallel
21468 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
21469 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
21470 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
21471 gimplify_omp_atomic): New.
21472 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
21473 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
21474 OMP_CRITICAL and OMP_ATOMIC.
21475 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
21476 * c-pragma.h (enum pragma_kind): Add
21477 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
21478 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
21479 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
21480 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
21481 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
21482 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
21483 PRAGMA_OMP_THREADPRIVATE.
21484 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
21485 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
21486 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
21487 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
21488 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
21489 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
21490 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
21491 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
21492 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
21493 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
21494 * tree-ssa-dce.c (find_control_dependence): Do not assume that
21495 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
21496 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
21498 (struct nesting_info): Add field_map,
21499 suppress_expansion, debug_var_chain.
21500 (create_nesting_tree): Initialize them.
21501 (lookup_field_for_decl): Use field_map.
21502 (get_nonlocal_debug_decl, get_local_debug_decl): New.
21503 (convert_local_omp_clauses): New.
21504 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
21505 (walk_body): Split out of walk_function.
21506 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
21507 (convert_nonlocal_reference): Handle omp statements.
21508 (convert_local_reference): Likewise.
21509 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
21510 (unnest_nesting_tree): New.
21511 (lower_nested_functions): Call it.
21512 (insert_field_into_struct): Make extern.
21513 (struct walk_stmt_info): Move to tree-gimple.h.
21514 (walk_stmts): Make extern.
21515 * omp-builtins.def: New file.
21516 * tree-iterator.c (expr_only): Clarify comment.
21517 * c-common.h (pushdecl_top_level, pushdecl,
21518 build_modify_expr, build_indirect_ref,
21519 c_finish_omp_master, c_finish_omp_critical,
21520 c_finish_omp_ordered, c_finish_omp_barrier,
21521 c_finish_omp_atomic, c_finish_omp_flush,
21522 c_finish_omp_for, c_split_parallel_clauses,
21523 omp_clause_default_kind, c_omp_sharing_predetermined,
21524 c_omp_remap_decl): Declare.
21525 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
21526 (OBJS-common): Add omp-low.o.
21527 (c-omp.o, omp-low.o): Add.
21528 (gimplify.o): Add dependency on $(OPTABS_H).
21529 (GTFILES): Add omp-low.c.
21530 (gt-stringpool.h): Add.
21531 * tree-cfg.c (set_bb_for_stmt): Do not update the
21532 block-to-labels map if we are currently expanding to RTL.
21533 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
21535 Handle IDENTIFIER_NODE.
21536 (tree_verify_flow_info): Do not ICE when emitting error
21537 messages about invalid labels.
21538 (dump_function_to_file): Reset CFUN before emitting the body
21540 (debug_function): New.
21541 * passes.c (init_optimization_passes): Schedule
21543 * langhooks-def.h (lhd_omp_predetermined_sharing,
21544 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
21546 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
21547 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
21548 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
21549 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
21550 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
21551 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
21552 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
21553 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
21554 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
21555 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
21556 (LANG_HOOK_DECLS): Use them.
21558 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
21559 Richard Henderson <rth@redhat.com>
21560 Jakub Jelinek <jakub@redhat.com>
21561 Diego Novillo <dnovillo@redhat.com>
21563 * c-parser.c (pragma_omp_clause): Define.
21564 (c_parser_declaration_or_fndef): Document OpenMP syntax.
21565 (c_parser_compound_statement): Likewise.
21566 (c_parser_statement): Likewise.
21567 (c_parser_pragma): Handle omp pragmas.
21568 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
21569 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
21570 (c_parser_omp_clause_name, check_no_duplicate_clause,
21571 c_parser_omp_variable_list,
21572 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
21573 c_parser_omp_clause_copyprivate,
21574 c_parser_omp_clause_default,
21575 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
21576 c_parser_omp_clause_lastprivate,
21577 c_parser_omp_clause_nowait,
21578 c_parser_omp_clause_num_threads,
21579 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
21580 c_parser_omp_clause_reduction,
21581 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
21582 c_parser_omp_all_clauses, c_parser_omp_structured_block,
21583 c_parser_omp_atomic, c_parser_omp_barrier,
21584 c_parser_omp_critical, c_parser_omp_flush,
21585 c_parser_omp_for_loop, c_parser_omp_for,
21586 c_parser_omp_master, c_parser_omp_ordered,
21587 c_parser_omp_sections_scope, c_parser_omp_sections,
21588 c_parser_omp_parallel, c_parser_omp_single,
21589 c_parser_omp_construct, c_parser_omp_threadprivate): New.
21590 * c-pragma.c (init_pragma): Do omp pragma registration here.
21591 * c.opt (fopenmp): New flag.
21593 2006-01-18 Eric Christopher <echristo@apple.com>
21595 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
21596 * config/darwin.h (GOMP_SELF_SPECS): Define.
21598 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
21600 * rtl.h: Remove the prototype for reg_alloc.
21602 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21605 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
21606 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
21607 sjlj and dwarf2 exception handling.
21608 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
21609 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
21610 * pa/pa.c (function_value): Treat complex and vector types as
21612 (function_arg): Likewise. Only pass scalar floats in the floating
21613 point argument registers.
21614 * pa/t-slibgcc-dwarf-ver: New file.
21615 * pa/t-slibgcc-sjlj-ver: New file.
21616 * pa/t-slibgcc-elf-ver: Delete file.
21618 2006-01-19 Alan Modra <amodra@bigpond.net.au>
21620 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
21621 unlikely_test_section_p test.
21623 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
21625 * mode-switching.c (optimize_mode_switching): Make it static.
21626 * basic-block.h: Remove the prototype for
21627 optimize_mode_switching.
21629 * modulo-sched.c (sms_schedule): Make it static.
21630 * rtl.h: Remove the prototype for sms_schedule.
21632 * postreload-gcse.c (gcse_after_reload_main): Make it static.
21633 * rtl.h: Remove the prototype for gcse_after_reload_main.
21635 * reg-stack.c (reg_to_stack): Make it static.
21636 * rtl.h: Remove the prototype for reg_to_stack.
21638 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
21640 * rtl.h: Remove the prototypes for regrename_optimize and
21641 copyprop_hardreg_forward.
21643 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
21645 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
21646 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
21647 Test against the appropriate null constant for the mode.
21648 If 'fixup_overlap' is true, swap the operands if they overlap.
21649 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
21650 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
21651 alpha_split_tmode_pair and adjust for above change.
21652 * config/alpha/alpha.md (movtf_internal): Adjust call to
21653 alpha_split_tfmode_pair and rely on it to swap the operands.
21654 (movti_internal): New insn and post-reload splitter.
21655 (movti): New expander.
21657 2006-01-18 Philippe De Muyter <phdm@macqel.be>
21659 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
21662 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
21664 * rtlanal.c (global_reg_mentioned_p_1,
21665 global_reg_mentioned_p): Remove.
21666 * rtl.h: Remove the prototype for global_reg_mentioned_p.
21668 * flow.c (initialize_uninitialized_subregs): Make it static.
21669 * rtl.h: Remove the prototype for
21670 initialize_uninitialized_subregs.
21672 * function.c (instantiate_virtual_regs): Make it static.
21673 * function.h: Remove the prototype for
21674 instantiate_virtual_regs.
21676 * regmove.c (regmove_optimize, combine_stack_adjustments):
21678 * rtl.h: Remove the prototypes for regmove_optimize and
21679 combine_stack_adjustments.
21681 2006-01-17 Roger Sayle <roger@eyesopen.com>
21683 * config/i386/i386.c (COSTS_N_BYTES): New macro.
21684 (size_cost): Encode costs in bytes so that a reg-reg addition is
21685 equivalent to COSTS_N_INSNS(1).
21686 (override_options): Use the size_cost.branch_cost as the default
21687 ix86_branch_cost when optimizing for size.
21689 2006-01-18 Ben Elliston <bje@au.ibm.com>
21691 * Makefile.in (D32PBIT_FUNCS): New.
21692 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
21693 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
21694 D64PBIT_FUNCS and D128PBIT_FUNCS.
21695 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
21696 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
21698 (decnumber_dep): Define.
21699 * doc/libgcc.texi (Decimal float library routines): New node.
21700 * config/dfp-bit.h, config/dfp-bit.c: New files.
21702 2006-01-18 Ben Elliston <bje@au.ibm.com>
21704 * expr.c (emit_move_change_mode): Always adjust addresses, not
21705 just during reload. Copy replacements only during reload.
21706 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
21707 emit_move_via_integer.
21709 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
21711 * Makefile.in (check-%, check-consistency): Use $${srcdir}
21712 instead of $(srcdir) and ${srcdir}.
21714 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
21717 PR middle-end/11135
21718 * arm.h (struct machine_function): Add pic_reg.
21719 * arm.c (arm_pic_register): Make unsigned.
21720 (arm_override_options): Only set arm_pic_register if
21721 TARGET_SINGLE_PIC_BASE.
21722 (use_return_insn): Only test for a pic register if it is fixed.
21723 (arm_compute_save_reg0_reg12_mask): Likewise.
21724 (thumb_compute_save_reg_mask): Likewise.
21725 (legitimate_pic_operand): Factor out some known invariants.
21726 (legitimize_pic_address): If we don't have a fixed pic register,
21727 then set up a pseudo in the function entry sequence. Handle the
21728 pic base being in a pseudo.
21729 (arm_load_pic_register): Handle the pic register being in a pseudo.
21730 (arm_expand_prologue): Only set up the pic register if it is fixed.
21731 (thumb_expand_prologue): Likewise.
21732 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
21733 (pic_load_addr_based_insn): Likewise.
21734 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
21737 2006-01-18 Ben Elliston <bje@au.ibm.com>
21739 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
21740 decimal float modes for all floating point registers.
21742 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
21743 match_code "mem" with match_test "macho_lo_sum_memory_operand".
21745 2006-01-17 Jakub Jelinek <jakub@redhat.com>
21748 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
21749 even when the pointer is not NULL.
21751 2006-01-16 Ian Lance Taylor <ian@airs.com>
21753 * common.opt (ftoplevel-reorder): New option.
21754 * cgraph.c (cgraph_asm_nodes): New global variable.
21755 (cgraph_asm_last_node): New static variable.
21756 (cgraph_order): New global variable.
21757 (cgraph_create_node): Set new order field.
21758 (cgraph_varpool_node): Likewise.
21759 (decide_is_variable_needed): Return true if not
21760 flag_toplevel_reorder.
21761 (cgraph_add_asm_node): New function.
21762 * cgraph.h (struct cgraph_node): Add order field.
21763 (struct cgraph_varpool_node): Add order field.
21764 (struct cgraph_asm_node): Define.
21765 (cgraph_asm_nodes, cgraph_order): Declare.
21766 (cgraph_add_asm_node): Declare.
21767 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
21769 (cgraph_varpool_assemble_pending_decls): Call it.
21770 (cgraph_output_pending_asms): New static function.
21771 (cgraph_finalize_compilation_unit): Call it.
21772 (struct cgraph_order_sort): Define.
21773 (cgraph_output_in_order): New static function.
21774 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
21775 !flag_toplevel_reorder case.
21776 * c-parser.c: Include "cgraph.h".
21777 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
21779 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
21780 than -fno-unit-at-a-time.
21781 * doc/invoke.texi (Option Summary): Mention
21782 -fno-toplevel-reorder.
21783 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
21784 -funit-at-a-time documentation.
21786 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
21787 Kazu Hirata <kazu@codesourcery.com>
21789 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
21791 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
21793 * Makefile.in (FUNCTION_H): New. Use it instead of
21794 function.h throughout the file.
21795 * function.h: Include tree.h.
21797 2006-01-17 Ben Elliston <bje@au.ibm.com>
21799 * recog.c: Separate some functions with whitespace.
21801 2006-01-16 Richard Henderson <rth@redhat.com>
21803 Merge from gomp branch:
21804 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
21805 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
21806 and rename from struct inline_data. Rename callee* to dst*;
21807 caller* to src*; add copy_decl hook, transform_call_graph_edges,
21808 transform_new_cfg, transform_return_to_modify, and
21809 transform_lang_insert_block flags; remove cloning_p, versioning_p,
21811 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
21812 (copy_decl_for_dup): Remove.
21813 * tree-inline.c (struct inline_data): Move to header.
21814 (insert_decl_map): Export.
21815 (remap_decl): Update for member name changes. Use copy_decl hook.
21816 Allow for replacement to be a non-decl. Remove dead code.
21817 (remap_type_1): Check for existing mapping.
21818 (remap_type): Export.
21819 (remap_decls): Update for member name changes.
21820 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
21821 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
21822 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
21823 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
21824 (tree_function_versioning, build_duplicate_type): Likewise.
21825 (copy_body_r): Likewise. Export.
21826 (copy_decl_for_dup): Split into ...
21827 (copy_decl_for_dup_finish, copy_decl_to_var,
21828 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
21829 (replace_ref_tree, inlining_p): Remove.
21831 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21833 * ifcvt.c (if_convert): Make it static.
21834 * rtl.h: Remove the prototype for if_convert.
21836 * local-alloc.c (local_alloc): Make it static.
21837 * rtl.h: Remove the prototype for local_alloc.
21839 * loop.c (loop_optimize): Make it static.
21840 * cfgloop.h: Remove the prototype for loop_optimize.
21843 2006-01-16 DJ Delorie <dj@redhat.com>
21845 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
21848 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21850 * pa.md: Disparage copies between general and floating-point registers
21851 in 32-bit move patterns.
21853 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
21856 * Makefile.in (check-%): Depend on site.exp instead of
21857 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
21860 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21862 * global.c (global_alloc): Make it static.
21863 * rtl.h: Remove the prototype for global_alloc.
21865 2006-01-16 Richard Guenther <rguenther@suse.de>
21867 * tree-ssa-alias.c (struct used_part): Add write_only field.
21868 (get_or_create_used_part_for): Initialize it to true.
21869 (create_overlap_variables_for): Don't create structure variables
21870 for structures that only are written to.
21871 (find_used_portions): Handle MODIFY_EXPR to track whether a
21872 structure is only written to.
21874 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21876 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
21878 * basic-block.h: Remove the prototype for
21879 partition_hot_cold_basic_blocks.
21881 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
21883 * cppspec.c (lang_specific_spec_functions): Remove.
21884 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
21885 * gcc.h (lang_specific_spec_functions): Remove.
21886 * gccspec.c (lang_specific_spec_functions): Remove.
21888 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
21890 * combine.c (record_value_for_reg): Invalidate registers
21892 (record_dead_and_set_regs_1): Likewise, by passing them to
21893 record_value_for_reg.
21894 (record_dead_and_set_regs): Invalidate stores made by a
21895 call. We do not combine across a call, but we still
21896 relied on equivalences.
21898 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
21900 * tree-vrp.c (extract_range_from_binary_expr): Cope with
21901 vrp_int_const_binop returning non-constant nodes.
21903 2006-01-16 Paul Brook <paul@codesourcery.com>
21905 * config/m68k/m68k.c (output_move_const_into_data_reg):
21906 Output correct mnemonic for mvz and mvs.
21908 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
21910 * rtl-factoring.c: Add sequence abstraction algorithm.
21911 * cfgcleanup.c (outgoing_edges_match): Extra checks.
21912 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
21914 (block_has_preserve_label): New function.
21915 * common.opt: Register new pass.
21916 * Makefile.in: Ditto.
21918 * timevar.def: Ditto.
21919 * tree-pass.h: Ditto.
21920 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
21921 * rtl.h (make_jump_insn_raw): Add forward decl.
21922 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
21924 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
21925 Roger Sayle <roger@eyesopen.com>
21927 * fold-const.c (fold_minmax): New static function.
21928 (fold_binary) <MIN_EXPR>: Call it.
21929 <MAX_EXPR>: Likewise.
21930 * stor-layout.c (place_field): Use DECL_SIZE consistently
21931 in the computation of the new record size.
21933 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21935 * cse.c (cse_condition_code_reg): Make it static.
21936 * rtl.h: Remove the prototype for cse_condition_code_reg.
21938 * combine.c (combine_instructions): Make it static.
21939 * rtl.h: Remove the prototype for combine_instructions.
21941 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21944 * tree.c (get_file_function_name_long): Concatenate the first global
21945 object name with a string derived from the input filename of the object
21948 2006-01-16 Ben Elliston <bje@au.ibm.com>
21950 * config/i386/winnt-stubs.c: Update FSF address.
21951 * config/xtensa/ieee754-df.S: Ditto.
21952 * config/xtensa/ieee754-sf.S: Ditto.
21954 2006-01-14 Ian Lance Taylor <ian@airs.com>
21956 * ifcvt.c (noce_init_if_info): New static function, broken out of
21957 noce_process_if_block.
21958 (noce_process_if_block): Call noce_init_if_info.
21959 (check_cond_move_block): New static function.
21960 (cond_move_process_if_block): New static function.
21961 (process_if_block): Call cond_move_process_if_block.
21963 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
21965 * cselib.c (hash_table): Rename to cselib_hash_table.
21966 (cselib_clear_table, discard_useless_values,
21967 remove_useless_values, cselib_lookup_mem, cselib_lookup,
21968 cselib_init, cselib_finish): Adjust uses of hash_table.
21970 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
21972 PR tree-optimization/25485
21973 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
21974 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
21975 is known to be false and true, respectively.
21977 2006-01-14 Richard Guenther <rguenther@suse.de>
21979 PR tree-optimization/22548
21980 PR tree-optimization/22555
21981 PR tree-optimization/22501
21982 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
21983 * params.def (salias-max-array-elements): New parameter.
21984 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
21985 * doc/invoke.texi (salias-max-array-elements): Document.
21986 * tree-flow-inline.h (var_can_have_subvars): We also handle
21988 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
21990 * tree-ssa-structalias.c (params.h): Include.
21991 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
21992 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
21993 (get_constraint_for): For ADDR_EXPR operating on something
21994 containing an ARRAY_REF, add all subvars to the solution.
21995 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
21996 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
21997 for creating MUST_DEFs.
21998 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
22000 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
22002 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
22004 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
22005 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
22006 number_of_iterations_le): New functions.
22007 (number_of_iterations_special): Removed.
22008 (number_of_iterations_exit): Do not use number_of_iterations_special.
22009 * tree.c (unsigned_type_for): Always return integer type.
22011 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
22012 Richard Guenther <rguenther@suse.de>
22014 PR rtl-optimization/24257
22015 * gcse.c (find_moveable_store): Only consider a store movable
22016 when the SET_SRC of the insn can be assigned to a register.
22018 2006-01-14 Ian Lance Taylor <ian@airs.com>
22020 * tree.c (tree_not_class_check_failed): New function.
22021 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
22022 (tree_not_class_check_failed): Declare.
22024 2006-01-13 Ian Lance Taylor <ian@airs.com>
22026 * reload1.c (do_output_reload): Add assertion rejecting a
22029 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
22031 * combine.c (struct reg_stat): Add new fields truncation_label and
22033 (record_value_for_reg): Reset truncated_to_mode.
22034 (record_truncated_value): New function.
22035 (check_promoted_subreg): Call it. Rename to check_conversions.
22036 (combine_instructions): Rename check_promoted_subreg to
22038 (reg_truncated_to_mode): New function.
22039 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
22040 (gen_lowpart_or_truncate): New function.
22041 (force_to_mode): Use it instead of gen_lowpart.
22043 2006-01-13 Diego Novillo <dnovillo@redhat.com>
22045 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
22046 VAR is a tag, not its type tag.
22048 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
22050 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
22051 alternatives to match style of other entries.
22052 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
22054 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
22056 PR tree-optimization/25771
22057 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
22060 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
22063 * tree-inline.c (declare_return_variable): If the return variable
22064 was marked as a non gimple complex, set the return slot variable
22065 to be a non gimple comple variable.
22067 2006-01-13 Richard Guenther <rguenther@suse.de>
22069 * builtins.c (expand_builtin_sincos): New function.
22070 (expand_builtin_mathfn_3): Remove dead code, sin and cos
22072 (expand_builtin): Expand sincos using expand_builtin_sincos.
22074 2006-01-12 DJ Delorie <dj@redhat.com>
22076 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
22077 shift counts, separate SI shifts for m32c vs m16c, pass shift type
22078 so that constant shifts can be split.
22079 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
22080 (m32c_valid_pointer_mode): Make static.
22081 (shift_gen_func_for): New.
22082 (m32c_prepare_shift): Use it. Split large const shifts into
22084 * config/m32c/predicates.md (shiftcount_operand): Allow more
22086 (longshiftcount_operand): New.
22087 * doc/md.texi (Machine Constraints): Document In6.
22089 2006-01-13 Ben Elliston <bje@au.ibm.com>
22091 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
22092 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
22095 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
22097 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
22098 to try to avoid clobbering pieces of structures when we know
22099 something about the whole structure.
22100 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
22102 2006-01-13 Ben Elliston <bje@au.ibm.com>
22104 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
22105 return in memory, as this is no limitation is no longer present.
22107 2006-01-12 DJ Delorie <dj@redhat.com>
22109 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
22110 mova with fb, and for fb+0 -> An.
22112 * config/m32c/mov.md (peephole2): Fix enabling logic.
22114 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
22115 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
22116 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
22117 FINI_ARRAY_SECTION_ASM_OP): Define.
22119 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
22121 (m32c_legitimize_reload_address): New logic to reload FB to An.
22122 (m32c_output_reg_push): Add newline.
22123 (m32c_output_reg_pop): Likewise.
22125 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
22127 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
22129 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
22131 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
22133 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22135 * config/sh/predicates.md (sh_rep_vec): Add parallel to
22138 2006-01-11 Ben Elliston <bje@au.ibm.com>
22140 * rtlanal.c (find_reg_note): Assert insn is not null.
22142 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
22144 * df-scan.c (df_hard_reg_init): Move declaration of i outside
22147 2006-01-11 Jeff Law <law@redhat.com>
22149 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
22151 (mark_threaded_blocks, register_jump_thread): New functions.
22152 (thread_through_all_blocks): Remove unwanted argument. No
22153 longer rely on e->aux to communicate thread target info.
22154 Call mark_threaded_blocks. Release the threaded_blocks
22155 bitmap and threaded_edges vector when complete.
22156 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
22157 (threaded_blocks): Remove.
22158 (tree_ssa_dominator_optimize): Remove initialization and
22159 finalization of threaded_blocks. Simplify call to
22160 thread_through_all_blocks.
22161 (thread_across_edge): Call register_jump_thread rather than
22162 storing thread information into e->aux.
22163 (free_all_edge_infos): Simplify now that e->aux is no longer
22164 used to communicate with thread_through_all_blocks.
22165 * tree-flow.h (thread_through_all_blocks): Update prototype.
22166 (register_jump_thread): Prototype.
22168 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22170 * df-core.c (df_compact_blocks, df_bb_replace): Use
22171 SET_BASIC_BLOCK instead of BASIC_BLOCK.
22173 2006-01-11 Richard Guenther <rguenther@suse.de>
22175 PR tree-optimization/25734
22176 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
22177 stop propagation after successful propagation to the LHS.
22179 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22181 * basic-block.h (control_flow_graph): Change the type of
22182 x_basic_block_info to VEC(basic_block,gc) *.
22183 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
22185 (SET_BASIC_BLOCK): New.
22186 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
22187 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
22188 * cfgbuild.c (find_basic_blocks): Likewise.
22189 * cfglayout.c (fixup_reorder_chain): Likewise.
22190 * cfgrtl.c (create_basic_block_structure,
22191 rtl_create_basic_block): Likewise.
22192 * ifcvt.c (find_if_case_1): Likewise.
22193 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
22196 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
22198 * Makefile.in: Removed rotted odf.c entry.
22200 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
22203 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
22204 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
22205 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
22206 output pattern modifier, not %e.
22207 * config/cris/cris.c (cris_op_str): Update comment about pattern
22209 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
22210 before falling through into...
22211 <case 'E'>: Redefined from old 'e' case.
22213 2006-01-11 Jan Hubicka <jh@suse.cz>
22216 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
22218 2006-01-11 Jan Hubicka <jh@suse.cz>
22220 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
22221 * i386.c (x86_decompose_lea): Kill.
22222 (ix86_rtx_costs): Kill.
22224 2006-01-11 Jan Hubicka <jh@suse.cz>
22226 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
22227 * cgraph.h (cgraph_node): Add inline_decl.
22228 (cgraph_insert_node_to_hashtable): Declare.
22229 (save_inline_function_body): Declare.
22230 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
22232 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
22233 (cgraph_function_versioning): Update call of tree_function_versioning.
22234 (save_inline_function_body): New function.
22235 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
22236 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
22237 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
22238 (cgraph_default_inline_p): Likewise.
22239 (cgraph_decide_inlining_incrementally): Likewise.
22240 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
22241 (copy_bb): Kill saving; do updating of clones.
22242 (copy_cfg_body): Kill saving.
22243 (initialize_inlined-parameters): Likewise.
22244 (expand_call_inline): Likewise.
22246 (tree_function_versioning): New parameter "update_clones".
22247 (inlining_p): Kill saving.
22248 * tree-inline.h (tree_function_versioning): Update prototype.
22249 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
22252 2006-01-11 Ian Lance Taylor <ian@airs.com>
22254 * combine.c (struct undo): Remove is_int. Enumify types of undos.
22255 Allow undoing set of machine mode.
22256 (do_SUBST): Use enums instead of is_int.
22257 (do_SUBST_MODE): New function.
22258 (SUBST_MODE): New macro.
22259 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
22260 reg and trying to replace reg_regno_rtx with a new register.
22261 (undo_all): Use new enums, handle undoing a PUT_MODE change.
22262 (simplify_set): Use SUBST_MODE.
22263 (distribute_notes): Remove code that tried to update reg notes
22264 for regno_reg_rtx changes.
22266 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
22268 PR tree-optimization/23109
22269 PR tree-optimization/23948
22270 PR tree-optimization/24123
22272 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
22273 * tree-cfg.c (single_noncomplex_succ): New.
22274 * tree-flow.h (single_noncomplex_succ): Declare it.
22275 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
22276 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
22277 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
22278 insert_bb, register_division_in, insert_reciprocals,
22279 replace_reciprocal, free_bb): New.
22280 (execute_cse_reciprocals_1): Rewritten.
22281 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
22282 Do not commit any edge insertion. Always compute dominators and
22283 create the allocation pool.
22284 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
22285 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
22286 * targhooks.c (default_min_divistions_for_recip_mul): New.
22287 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
22288 * passes.c (init_optimization_passes): Run recip after tree loop
22290 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
22292 2006-01-11 Danny Berlin <dberlin@dberlin.org>
22293 Kenneth Zadeck <zadeck@naturalbridge.com>
22295 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
22296 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
22297 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
22298 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
22299 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
22300 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
22301 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
22302 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
22303 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
22304 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
22305 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
22306 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
22307 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
22308 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
22309 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
22310 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
22311 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
22312 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
22313 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
22314 DF_SCAN_POST_ALLOC): New macros.
22315 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
22316 df_free_bb_function, df_local_compute_function, df_init_function,
22317 df_dataflow_function, df_confluence_function_0,
22318 df_confluence_function_n, df_transfer_function,
22319 df_finalizer_function, df_free_function, df_dump_problem_function,
22320 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
22321 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
22322 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
22323 df_urec_bb_info, ) New types.
22324 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
22326 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
22327 df_analyze_simple_change_some_blocks,
22328 df_analyze_simple_change_one_block, df_compact_blocks,
22329 df_bb_replace, df_bb_regno_last_use_find,
22330 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
22331 df_insn_regno_def_p, df_find_def, df_find_use,
22332 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
22333 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
22334 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
22335 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
22336 debug_df_chain, df_get_dependent_problem, df_chain_create,
22337 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
22338 df_grow_bb_info, df_chain_dump, df_print_bb_index,
22339 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
22340 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
22341 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
22342 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
22343 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
22344 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
22345 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
22346 df_ref_remove, df_insn_refs_delete, df_refs_delete,
22347 df_reorganize_refs, df_set_state, df_hard_reg_init,
22348 df_read_modify_subreg_p) New public functions.
22349 * df-core.c: The core dataflow solver and glue routines for rtl
22351 (df_init, df_add_problem, df_set_blocks, df_finish,
22352 df_hybrid_search_forward, df_hybrid_search_backward,
22353 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
22354 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
22355 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
22356 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
22357 df_reg_defined, df_find_use, df_reg_used, df_dump,
22358 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
22359 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
22360 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
22361 debug_df_useno, reset_df_after_reload): New functions.
22362 * df-scan.c: The scanning fuctions, once in df.c, completely
22363 rewritten so that they now fully model the functionality of
22364 register usage at the backend.
22365 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
22366 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
22367 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
22368 df_grow_insn_info, df_rescan_blocks, df_ref_create,
22369 df_get_artificial_defs, df_get_artificial_uses,
22370 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
22371 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
22372 df_refs_delete, df_reorganize_refs, df_set_state,
22373 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
22374 df_def_record_1, df_defs_record, df_uses_record,
22375 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
22376 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
22377 df_record_exit_block_uses, df_hard_reg_init): New functions.
22379 * df-problems.c: Seven concrete dataflow problems that use the
22380 scanning in df-scan.c and are solved by the engine in df-core.c.
22381 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
22382 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
22383 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
22384 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
22385 df_ru_free_bb_info, df_ru_alloc,
22386 df_ru_bb_local_compute_process_def,
22387 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
22388 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
22389 df_ru_transfer_function, df_ru_free, df_ru_dump,
22390 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
22391 df_rd_free_bb_info, df_rd_alloc,
22392 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
22393 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
22394 df_rd_transfer_function, df_rd_free, df_rd_dump,
22395 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
22396 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
22397 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
22398 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
22399 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
22400 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
22401 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
22402 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
22403 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
22404 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
22405 df_urec_mark_reg_change, df_urec_check_earlyclobber,
22406 df_urec_mark_reg_use_for_earlyclobber,
22407 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
22408 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
22409 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
22410 df_urec_dump, df_urec_add_problem, df_chain_alloc,
22411 df_chain_create_bb_process_use, df_chain_create_bb,
22412 df_chain_finalize, df_chain_free, df_chains_dump,
22413 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
22414 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
22415 df_reg_lifetime): New functions.
22416 * df.c: Deleted file.
22417 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
22418 consistent with new df api.
22419 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
22420 rest_of_handle_sms): Ditto.
22421 * web.c (unionfind_union, union_defs, entry_register, web_main):
22423 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
22424 invariant_expr_equal_p, find_defs, check_dependencies,
22425 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
22426 free_inv_motion_data, move_loop_invariants): Ditto.
22427 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
22428 Update dependencies.
22429 (odf.c): Added defective entry that was deleted later in day.
22430 * sched-deps.c (sched_analyze_1): Ditto.
22432 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
22434 * tree-ssa-operands.c (get_expr_operands): Record addressable
22435 variables directly. Do not call add_stmt_operands for CONST_DECLs
22437 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
22438 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
22440 2006-01-11 Ben Elliston <bje@au.ibm.com>
22442 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
22443 function returns true in the positive case.
22445 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22448 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
22449 for SI, DI, SF and DF modes. Add alternatives to copy between
22450 general and floating point registers to the 32-bit patterns.
22451 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
22452 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
22453 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
22454 generating 64-bit code.
22455 * config/pa/pa.c (output_move_double): Handle copies between general
22456 and floating registers.
22458 2006-01-10 Stuart Hastings <stuart@apple.com>
22460 * config/i386/i386.md (set_got): Update.
22461 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
22462 (builtin_setjmp_receiver): Mach-O support.
22463 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
22464 (GOT_SYMBOL_NAME): Define.
22465 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
22466 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
22467 * config/i386/i386.c (override_options): Revise for Darwin.
22468 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
22469 support. (darwin_x86_file_end): New. (output_set_got): Add label
22470 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
22471 * config/i386/i386-protos.h (output_set_got): Likewise.
22472 * config/darwin.c (machopic_legitimize_pic_address): Update
22475 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
22477 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
22478 when MODE isn't BLKmode.
22480 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
22482 PR rtl-optimization/25367
22483 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
22485 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
22488 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
22489 for a negative bound.
22491 2006-01-10 Richard Guenther <rguenther@suse.de>
22493 * tree-ssa-structalias.c (get_constraint_for_component_ref):
22494 Never override with anything constraint.
22496 2006-01-10 Jan Beulich <jbeulich@novell.com>
22498 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
22499 256 bits when optimize_size.
22501 2006-01-10 Jan Beulich <jbeulich@novell.com>
22503 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
22505 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
22506 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
22509 2006-01-10 Ben Elliston <bje@au.ibm.com>
22511 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
22513 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
22514 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
22515 (USE_FP_FOR_ARG): Reject decimal float modes.
22516 (function_arg_advance): Likewise.
22517 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
22518 (rs6000_handle_altivec_attribute): Do not permit decimal floating
22519 point types in AltiVec vectors.
22520 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
22521 (rs6000_libcall_value): Likewise.
22523 2006-01-09 Bob Wilson <bob.wilson@acm.org>
22525 * config/xtensa/ieee754-df.S: New file.
22526 * config/xtensa/ieee754-sf.S: New file.
22527 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
22528 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
22529 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
22531 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
22533 * config/sh/predicates.md (binary_float_operator,
22534 binary_logical_operator, commutative_float_operator,
22535 equality_comparison_operator, greater_comparison_operator,
22536 less_comparison_operator, logical_operator,
22537 noncommutative_float_operator, shift_operator,
22538 symbol_ref_operand, unary_float_operator): Remove redundant
22541 2006-01-09 Jeff Law <law@redhat.com>
22543 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
22544 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
22545 now unused arguments. Callers updated.
22546 (eliminate_redundant_computations): Remove now unused arguments,
22548 (local_fold): Remove, no longer used.
22549 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
22551 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
22552 (simplify_cond): New function.
22553 (forward_propagate_into_cond): Call simplify_cond.
22555 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
22557 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
22558 (*vec_extractv2di_1_sse): New.
22560 2006-01-09 Ben Elliston <bje@au.ibm.com>
22562 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
22564 2006-01-08 Richard Guenther <rguenther@suse.de>
22566 * tree-ssa-structalias.c (get_constraint_for): Remove
22567 anyoffset argument.
22568 (get_constraint_for_component_ref): Likewise.
22569 (do_deref): Likewise.
22570 (get_constraint_for): Likewise.
22571 (do_structure_copy): Likewise.
22572 (handle_ptr_arith): Likewise.
22573 (find_func_aliases): Likewise. Remove unused need_anyoffset
22576 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
22577 Kaz Kojima <kkojima@gcc.gnu.org>
22579 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
22580 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
22581 (EXTRA_CONSTRAINT_C16): Remove.
22582 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
22583 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
22584 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
22585 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
22586 constants of SHmedia. Handle nested constant expressions of
22588 (andcosts): Fix the costs for SHmedia constants.
22589 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
22590 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
22591 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
22592 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
22593 (movv4hi_i, movv2si_i): Likewise.
22594 (movsi_const): Adjust the second operand of ior so to match with
22595 the Csu constraint.
22596 (movdi_const, movdi_const_32bit): Likewise.
22597 (movdi_const_16bit+1): Don't sign-extend LOW.
22598 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
22600 (*double_shori): Fix the split condition. Use GEN_INT instead
22601 of get_int_mode calls. Mask lower 16-bit of the argument of
22603 (sym2GOTPLT): Remove.
22604 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
22606 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
22607 instead of EXTRA_CONSTRAINT_C16.
22609 2006-01-07 Ian Lance Taylor <ian@airs.com>
22610 David Edelsohn <edelsohn@gnu.org>
22612 PR rtl-optimization/25662
22613 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
22614 for constant operands instead of simplify_gen_binary.
22615 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
22616 after trying simplify_binary_operation
22618 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
22620 * tree.c (iterative_hash_expr): Hash decls based on UID.
22622 2006-01-06 Eric Christopher <echristo@apple.com>
22624 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
22625 (TARGET_UNWIND_EMIT): Fix spelling.
22626 * target.h (gcc_target): Add except_table_label.
22627 * except.c (output_function_exception_table): Use.
22628 * varasm.c (default_emit_except_table_label): New.
22629 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
22631 (asm_out): Add here.
22632 * output.h (default_emit_except_table_label): Prototype.
22633 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
22634 * config/darwin.c (darwin_emit_except_table_label): Define.
22635 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
22637 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
22639 PR tree-optimization/18527
22640 * tree-ssa-loop-niter.c (number_of_iterations_cond,
22641 number_of_iterations_special, number_of_iterations_exit):
22642 Move base and step of an iv to a single structure. Add
22643 no_overflow flag, and use it in # of iterations analysis.
22644 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
22645 folded_casts argument.
22646 (simple_iv): Pass base and step in a structure. Set no_overflow
22648 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
22649 Evaluate expensiveness of computing # of iterations instead of
22650 the final expression.
22651 * tree-scalar-evolution.h (affine_iv): New structure.
22652 (simple_iv): Declaration changed.
22653 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
22654 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
22655 find_givs_in_stmt): Changed due to simple_iv change.
22657 2006-01-06 Jeff Law <law@redhat.com>
22660 * tree-cfg.c (bsi_replace): Rename final argument from
22661 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
22662 change (stmt -> orig_stmt).
22663 * tree-eh.c (verify_eh_throw_stmt_node): New function.
22664 (bsi_remove): Add new argument. Remove EH information
22666 (verify_eh_throw_table_statements): New function.
22667 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
22669 * tree-optimize.c (execute_free_cfg_annotations): Verify
22670 the EH throw statement table after removing annotations.
22671 * except.h (verify_eh_throw_table_statements): Prototype.
22672 * tree-flow.h (bsi_remove): Update prototype.
22673 * tree-vrp.c (remove_range_assertions): Add new argument to
22675 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
22676 * tree-complex.c (expand_complex_div_wide): Likewise.
22677 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
22678 * tree-tailcall.c (eliminate_tailcall): Likewise.
22679 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
22680 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
22681 * tree-nrv.c (tree_nrv): Likewise.
22682 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
22683 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
22684 (combine_blocks): Likewise.
22685 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
22686 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
22687 (cleanup_control_flow): Likewise.
22688 (remove_forwarder_block): Likewise.
22689 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
22690 * tree-sra.c (sra_replace): Likewise.
22691 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
22692 (forward_propagate_single_use_vars): Likewise.
22693 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
22694 * tree-inline.c (expand_call_inline): Likewise.
22695 * tree-vect-transform.c (vect_transform_loop): Likewise.
22696 * tree-outof-ssa.c (rewrite_trees): Likewise.
22697 * tree-cfg.c (make_goto_expr_edges): Likewise.
22698 (cleanup_dead_labels): Likewise.
22699 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
22700 (bsi_move_before, bsi_move_after): Likewise.
22701 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
22702 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
22704 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
22707 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
22709 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
22710 on non gimple variables. Also add checks at the top for decls and
22712 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
22714 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
22715 and IMAGPART_EXPR for creating MUST_DEFs.
22716 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
22717 and NAME_MEMORY_TAG separately from the DECLs.
22719 2006-01-06 Richard Guenther <rguenther@suse.de>
22721 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
22722 annotation, if necessary.
22723 * tree-ssa-pre.c (create_expression_by_pieces): Remove
22724 redundant calls to update_stmt.
22725 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
22728 2006-01-05 Richard Henderson <rth@redhat.com>
22730 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
22732 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
22734 * c-typeck.c: Update copyright date.
22736 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
22738 * c-typeck.c (build_c_cast): Always warn when casting
22739 from a pointer to an integer of different size, even if
22740 the node was constant.
22742 2006-01-05 Richard Guenther <rguenther@suse.de>
22744 PR tree-optimization/22555
22745 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
22746 if one structure field is an array.
22747 * tree-ssa-operands.c (get_expr_operands): Continue scanning
22748 operands even if we found a subvar, but ignore VOPs in this
22750 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
22752 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
22754 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
22756 PR middle-end/24998
22757 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
22759 2006-01-05 Richard Guenther <rguenther@suse.de>
22760 Diego Novillo <dnovillo@redhat.com>
22762 * tree-pass.h (TODO_remove_unused_locals): Define.
22763 * gimple-low.c (expand_var_p, remove_useless_vars,
22764 pass_remove_useless_vars): Remove. Update all users.
22765 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
22766 (remove_unused_locals): New function.
22767 * tree-flow.h (remove_unused_locals): Declare.
22768 * passes.c (execute_todo): Call remove_unused_locals if
22769 TODO_remove_unused_locals is set.
22770 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
22771 * tree-ssa-dce.c (pass_dce): Likewise.
22772 * tree-outof-ssa.c (pass_del_ssa): Likewise.
22774 2006-01-05 Richard Guenther <rguenther@suse.de>
22776 * tree-flow.h (struct fieldoff): Decompose field to
22777 type, size and decl.
22778 * tree-ssa-alias.c (create_sft): Take type as parameter.
22779 (create_overlap_variables_for): Store type, size and decl
22780 in the fieldoff structure.
22781 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
22782 of struct fieldoff.
22783 (push_fields_onto_fieldstack): Likewise.
22784 (create_variable_info_for): Likewise. Use offset for the
22785 SFT name if the decl is not available.
22787 2006-01-04 Paul Brook <paul@codesourcery.com>
22789 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
22791 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
22793 * lambda-code.c (can_put_in_inner_loop): Relax
22795 (can_put_after_inner_loop): New function.
22796 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
22797 (perfect_nestify): Change to make copies and modify uses.
22799 2006-01-04 Richard Henderson <rth@redhat.com>
22801 Merge from gomp branch:
22802 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
22803 via integer constant.
22804 (pragma_lex): Remove.
22805 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
22806 rather than parsing it.
22807 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
22808 handle_pragma_extern_prefix): Add %< %> quotes.
22809 (registered_pragmas): New.
22810 (c_register_pragma_1): New.
22811 (c_register_pragma): Use it.
22812 (c_register_pragma_with_expansion): Likewise.
22813 (c_invoke_pragma_handler): New.
22814 (init_pragma): Use cpp_register_deferred_pragma directly for
22816 * c-pragma.h (enum pragma_kind): New.
22817 (pragma_handler): New.
22818 (c_invoke_pragma_handler): Declare.
22819 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
22821 * c-common.h (c_common_pch_pragma): Update decl.
22822 * Makefile.in (c-parser.o): Update dependencies.
22823 (GTFILES): Add c-pragma.h.
22824 * c-parser.c (struct c_token): Add pragma_kind.
22825 (struct c_parser): Add in_pragma.
22826 (c_lex_one_token): Always initialize keyword and pragma_kind.
22827 Extract data for CPP_PRAGMA.
22828 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
22829 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
22830 Don't allow CPP_PRAGMA_EOL if in_pragma.
22831 (c_parser_consume_pragma): New.
22832 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
22833 (c_parser_skip_to_end_of_parameter): Likewise.
22834 (c_parser_skip_to_end_of_block_or_statement): Likewise.
22835 (c_parser_skip_to_pragma_eol): New.
22836 (c_parser_external_declaration): Handle CPP_PRAGMA.
22837 (c_parser_compound_statement_nostart): Likewise.
22838 (c_parser_statement_after_labels): Likewise.
22839 (c_parser_pragma): New.
22840 (pragma_lex): Likewise.
22841 (c_parser_pragma_pch_preprocess): New.
22842 (c_parser_new): Merge into ...
22843 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
22845 2006-01-04 Jeff Law <law@redhat.com>
22848 * tree-cfg.c (bsi_replace): Remove the original statement
22849 from the EH throw statement table.
22851 2006-01-04 Jakub Jelinek <jakub@redhat.com>
22853 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
22854 make the prototype extern "C" and add throw ().
22857 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
22858 and pos non-negative and pos + len <= 32.
22859 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
22860 drop pos + len < HOST_BITS_PER_WIDE_INT test.
22861 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
22864 * c-common.c (handle_vector_size_attribute): Reject zero vector size
22865 as well as sizes not multiple of component size.
22868 * function.c (instantiate_expr): New function.
22869 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
22870 walk its DECL_VALUE_EXPR with instantiate_expr.
22872 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
22873 DW_OP_deref{,_size} if address isn't going to be added.
22875 2006-01-04 Ben Elliston <bje@au.ibm.com>
22877 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
22878 * config/fp-bit.c: Likewise.
22880 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
22882 * dominance.c: Add comment about why we use DFS numbering
22885 2006-01-03 Jakub Jelinek <jakub@redhat.com>
22886 Richard Henderson <rth@redhat.com>
22888 Merge from gomp-branch:
22889 * varasm.c (assemble_variable): Handle thread-local COMMON data.
22890 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
22892 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
22894 PR rtl-optimization/25578
22895 * combine.c (combine_simplify_rtx, force_to_mode): Don't
22896 pass a parameter to simplify_shift_const if changing ASHIFTRT
22899 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
22901 * builtins.c (get_builtin_sync_mem): New function.
22902 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
22903 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
22904 Call get_builtin_sync_mem to generate mem rtx.
22906 2006-01-03 Richard Guenther <rguenther@suse.de>
22909 * stmt.c (add_case_node): Make sure to clear overflow flags
22912 2006-01-03 Jakub Jelinek <jakub@redhat.com>
22914 Merge from gomp-branch.
22915 * config/sparc/sync.md: New file.
22916 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
22917 UNSPECV_LDSTUB): New constants.
22918 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
22919 * config/sparc/predicates.md (memory_reg_operand): New predicate.
22920 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
22923 2006-01-03 Roger Sayle <roger@eyesopen.com>
22925 * combine.c (reg_subword_p): New predicate to test whether the
22926 destination of a set refers to a subword/piece of a register.
22927 (try_combine): Generalize the code to merge the setting of a
22928 pseudo to a constant followed by a set of a subword of that
22929 register to a constant.
22931 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
22933 * basic-block.h (control_flow_graph): Change the type of
22934 x_label_to_block_map to VEC(basic_block,gc) *.
22935 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
22936 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
22938 * tree-ssa-propagate.c (cfg_blocks): Change the type to
22939 VEC(basic_block,heap) *.
22940 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
22941 ssa_prop_fini): Adjust the uses of cfg_blocks.
22943 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
22945 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
22947 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
22948 hashing trees instead of a pointer hash.
22949 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
22950 compare for MEM_EXPR.
22952 PR rtl-optimization/25130
22953 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
22954 when comparing MEMs for GCSE
22956 2006-01-03 Ben Elliston <bje@au.ibm.com>
22958 * targhooks.h (default_decimal_float_supported_p): Declare.
22959 * targhooks.c (default_decimal_float_supported_p): Define.
22960 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
22961 `default_decimal_float_supported_p'.
22962 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
22964 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
22966 * combine.c (apply_distributive_law <SUBREG>): Check
22967 TRULY_NOOP_TRUNCATION.
22969 2006-01-02 Geoffrey Keating <geoffk@apple.com>
22971 * dwarf2out.c (have_switched_text_section): Delete.
22972 (have_multiple_function_sections): New.
22973 (have_location_lists): Make 'bool'.
22974 (add_AT_loc_list): Use 'true' not '1'.
22975 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
22976 (output_loc_list): Use have_multiple_function_sections.
22977 (output_ranges): Likewise.
22978 (dwarf2out_begin_function): Set have_multiple_function_sections if
22980 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
22981 Check function_section rather than DECL_SECTION_NAME.
22982 (dwarf2out_finish): Use have_multiple_function_sections.
22983 Don't clear have_location_lists.
22985 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
22986 Jan Hubicka <jh@suse.cz>
22988 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
22989 case of conditional jump jumping to the next instruction.
22990 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
22991 cases of conditional jump jumping to the next instruction.
22993 2006-01-02 Jan Hubicka <jh@suse.cz>
22995 * i386.c (*_cost): Add COSTS_N_INSNS.
22996 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
22998 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
23001 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
23003 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
23005 * config/arm/arm.c (all_fpus): Fix comment typo.
23006 * config/darwin.c: Likewise.
23007 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
23008 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
23009 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
23011 2006-01-01 David Edelsohn <edelsohn@gnu.org>
23013 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
23014 (rs6000_split_compare_and_swapqhi): New.
23015 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
23016 (sync_compare_and_swapqhi_internal): New.
23017 * config/rs6000/rs6000-protos.h: Declare.