1 2010-05-11 Jan Hubicka <jh@suse.cz>
3 * cgraphbuild.c (cgraph_rebuild_references): New.
4 * cgraph.c (cgraph_mark_reachable_node): Accept references to optimized
6 * cgraph.h (cgraph_rebuild_references): Declare.
7 * tree-inline.c (tree_function_versioning): Use it.
8 * ipa-struct-reorg.c (do_reorg_for_func): Likewise.
10 2010-05-11 Jan Hubicka <jh@suse.cz>
12 * cgraph.c: Include ipa-utils.h
13 (cgraph_create_virtual_clone): Update references.
14 * Makefile.in (cgraph.o): Add dependency at ipa-utils.h
16 2010-05-11 Christian Borntraeger <borntraeger@de.ibm.com>
18 * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Reset
19 prefetch_before to PREFETCH_ALL if to accesses "meet" beyond
22 2010-05-11 Christian Borntraeger <borntraeger@de.ibm.com>
24 * tree-ssa-loop-prefetch.c: Add debug for dropped prefetches.
26 2010-05-11 Jakub Jelinek <jakub@redhat.com>
28 * gcc.c (execute): For -### don't quote arguments that
29 contain just alphanumerics and _/-. characters.
30 * doc/invoke.texi: Document that change for -###.
33 * df-problems.c (struct dead_debug): Add to_rescan field.
34 (dead_debug_init): Clear to_rescan field.
35 (dead_debug_finish): Rescan all debug insns in to_rescan
36 bitmap and free the bitmap.
37 (dead_debug_insert_before): Instead of rescanning debug insns
38 immediately queue their rescanning until dead_debug_finish.
39 (df_note_bb_compute): After dead_debug_add do continue instead
42 2010-05-10 Jakub Jelinek <jakub@redhat.com>
45 * haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC,
46 clear also INSN_REG_USE_LIST.
48 2010-05-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
50 * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Undef.
52 2010-05-10 Jan Hubicka <jh@suse.cz>
54 * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally commited change.
56 2010-05-10 Jan Hubicka <jh@suse.cz>
58 * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries): Allocate
60 * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
61 * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
62 (lto_streamer_cache_create): Init alloc pool.
63 (lto_streamer_cache_delete): Free alloc pool.
64 * lto-streamer.h: Include alloc pool.
65 (lto_streamer_cache_d): Use alloc pool.
66 * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.
68 2010-05-10 Jan Hubicka <jh@suse.cz>
70 * Makefile.in (cgraphbuild.o): Add dependency on except.h.
71 * cgraphbuild.c: Include except.h
72 (record_type_list, record_eh_tables): New function.
73 (build_cgraph_edges, rebuild_cgraph_edges): Use it.
75 2010-05-10 Jan Hubicka <jh@suse.cz>
77 * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
78 __frame_dummy_init_array_entry, force_to_data): Attribute as used
81 2010-05-10 Michael Matz <matz@suse.de>
83 * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
84 (can_reassociate_p): Use FLOAT_TYPE_P.
85 * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
86 (vect_force_simple_reduction): ... this.
87 * tree-parloops.c (gather_scalar_reductions): Use
88 vect_force_simple_reduction.
89 * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
90 vect_is_simple_reduction, add modify argument, if true rewrite
92 (vect_is_simple_reduction, vect_force_simple_reduction): New
94 (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.
96 2010-05-10 H.J. Lu <hongjiu.lu@intel.com>
97 Vladimir Makarov <vmakarov@redhat.com>
99 PR rtl-optimization/44012
100 * ira-build.c (remove_unnecessary_allocnos): Nullify
101 regno_allocno_map of the removed allocno.
103 2010-05-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
105 * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
107 * configure: Regenerate.
109 2010-05-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
111 * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
113 Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
114 * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
116 * configure: Regenerate.
118 2010-05-10 Richard Guenther <rguenther@suse.de>
120 * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
121 marked if the entry identifier is marked.
123 2010-05-10 Richard Guenther <rguenther@suse.de>
125 * c-common.c (struct c_common_attributes): Add fnspec attribute.
126 (handle_fnspec_attribute): New function.
127 * gimple.h (gimple_call_return_flags): Declare.
128 (gimple_call_arg_flags): Likewise.
129 * gimple.c (gimple_call_arg_flags): New function.
130 (gimple_call_return_flags): Likewise.
131 * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
133 (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
135 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
136 * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
138 (make_heapvar_for): ... this new function.
139 (handle_rhs_call): Handle fnspec attribute argument specifiers.
140 (handle_lhs_call): Likewise.
141 (find_func_aliases): Adjust.
143 2010-05-10 Richard Guenther <rguenther@suse.de>
145 PR tree-optimization/44050
146 * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.
148 2010-05-10 Wei Guozhi <carrot@google.com>
151 * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
153 2010-05-09 Joseph Myers <joseph@codesourcery.com>
156 * c-typeck.c (lookup_field): Take a type directly. Update
158 (build_component_ref): Update call to lookup_field.
159 (set_init_label): Use lookup_field to find initialized field.
160 Handle returned list of fields like a sequence of designators.
162 2010-05-09 Richard Guenther <rguenther@suse.de>
165 * fold-const.c (tree_single_nonzero_warnv_p): Properly
166 handle &FUNCTION_DECL.
168 2010-05-09 Joseph Myers <joseph@codesourcery.com>
171 * c-decl.c (detect_field_duplicates_hash): New. Handle anonymous
172 structures and unions recursively.
173 (detect_field_duplicates): Move duplicate detection with a hash to
174 detect_field_duplicates_hash. Always use a hash if anonymous
175 structures or unions are present.
176 * doc/extend.texi (Unnamed Fields): Document that duplicate fields
179 2010-05-09 H.J. Lu <hongjiu.lu@intel.com>
182 * config/i386/driver-i386.c (host_detect_local_cpu): Properly
183 detect Atom, Core 2 and Core i7.
185 2010-05-09 Richard Guenther <rguenther@suse.de>
187 * gcc.c (store_arg): Handle temporary file deletion for
190 2010-05-09 Richard Guenther <rguenther@suse.de>
193 * ipa-inline.c (estimate_function_body_sizes): Return after
194 disregarding inline limits.
196 2010-05-09 Richard Guenther <rguenther@suse.de>
198 * gcc.c (store_arg): Revert last change.
200 2010-05-08 Sandra Loosemore <sandra@codesourcery.com>
203 * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
204 (optimize_ops_list): Call it.
206 2010-05-08 Richard Guenther <rguenther@suse.de>
208 PR tree-optimization/44030
209 * tree-ssa-pre.c (eliminate): Copy NECESSARY flag. Set
210 NECESSARY flag if we propagate from a inserted expression.
212 2010-05-08 Eric Botcazou <ebotcazou@adacore.com>
214 * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
215 domain types as equal if they are both PLACEHOLDER_EXPRs.
217 2010-05-08 Richard Guenther <rguenther@suse.de>
219 * lto-wrapper.c (run_gcc): Remove linker output from
220 command line for LTRANS invocation.
222 2010-05-07 Steven Bosscher <steven@gcc.gnu.org>
224 * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
225 lto-macho as lto_binary_reader.
226 * target.h (struct gcc_target): New hooks lto_start and lto_end.
227 * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
228 * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
229 in lto_start and lto_end calls.
230 (is_elf_or_coff): Rename to maybe_lto_object_file. Add Mach-O
232 (scan_prog_file): Update is_elf_or_coff call.
233 * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
235 * collect2.c (main): Fix enum comparison.
237 * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
239 * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
240 * darwin.h (LINK_COMMAND_SPEC): Likewise. Define TARGET_ASM_LTO_START
241 and TARGET_ASM_LTO_END.
242 * darwin.c: Include obstack.h and lto-streamer.h.
243 (lto_section_names_offset, lto_section_names_obstack,
244 lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
246 (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
247 (darwin_asm_lto_start): New function. Redirect output to asm_out_file
249 (darwin_asm_lto_end): New function. Restore asm_out_file.
250 (darwin_asm_named_section): For LTO sections, replace the name with
251 the offset of the section name in a string table, and build this
253 (darwin_file_start): Initialize global vars for LTO support.
254 (darwin_file_end): If output to asm_out_file was redirected, append it
255 to the proper asm_out_file here. Add the section names section.
257 2010-05-07 Steven Bosscher <steven@gcc.gnu.org>
259 * c-pragma.c (pending_weak_d, pending_weak): New.
260 (pending_weaks): Change the type to VEC((pending_weak,gc) *.
261 (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
262 handle_pragma_weak): Update the uses of pending_weaks.
264 2010-05-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
266 PR documentation/44016
267 * doc/standards.texi (Standards): Link to unversioned
268 cxx0x_status.html page.
270 2010-05-07 Iain Sandoe <iains@gcc.gnu.org>
273 * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
274 in addition to TREE_USED, to avoid "set but unused" warnings.
276 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
278 * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
279 (is_loop_prefetching_profitable): Do not insert prefetches
280 when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
281 times the prefetch ahead distance.
283 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
285 * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
286 Account for loop unrolling in the insn-to-prefetch ratio heuristic.
287 (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
290 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
292 * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
293 a diagnostic info when the insn-to-mem ratio is too small.
295 2010-05-07 Richard Guenther <rguenther@suse.de>
297 * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
299 (store_arg): Queue temp_filename for deletion instead of
302 2010-05-07 Richard Guenther <rguenther@suse.de>
304 * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
305 (run_gcc): Handle LTRANS phase invocation.
306 * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.
308 2010-05-07 Jakub Jelinek <jakub@redhat.com>
310 * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
311 this is also meaningful on PARM_DECLs and RESULT_DECLs.
313 2010-05-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
315 * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
317 2010-05-07 Richard Guenther <rguenther@suse.de>
319 PR tree-optimization/44020
320 * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
321 code when PRE is not yet initialized.
323 2010-05-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
325 * config/mips/dbxmdebug.h: Remove.
326 * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
328 2010-05-07 Shujing Zhao <pearly.zhao@oracle.com>
330 * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
331 with null pointer and also warn about ordered comparison of zero with
334 2010-05-05 Andreas Simbuerger <simbuerg@fim.uni-passau.de>
336 * graphite-blocking.c
337 (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
338 * graphite-clast-to-gimple.c
339 (clast_to_gcc_expression): Same.
340 (precision_for_value): Same.
341 (precision_for_interval): Same.
342 (gcc_type_for_interval): Same.
343 (graphite_create_new_guard): Same.
344 (compute_bounds_for_level): Same.
345 (graphite_create_new_loop_guard): Same.
346 * graphite-interchange.c
347 (build_linearized_memory_access): Same.
348 (pdr_stride_in_loop): Same.
349 (memory_strides_in_loop_1): Same.
350 (memory_strides_in_loop): Same.
351 (extend_scattering): Same.
352 (psct_scattering_dim_for_loop_depth): Same.
353 (pbb_number_of_iterations): Same.
355 (debug_iteration_domains): Same.
357 (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
358 (ppl_set_inhomogeneous_gmp): Same.
359 (ppl_strip_loop): Same.
360 (ppl_lexico_compare_linear_expressions): Same.
361 (ppl_read_polyhedron_matrix): Same.
362 (ppl_max_for_le_pointset): Same.
364 (ppl_read_polyhedron_matrix): Same.
365 (tree_int_to_gmp): Same.
366 (gmp_cst_to_tree): Same.
367 (ppl_set_inhomogeneous): Same.
368 (ppl_set_inhomogeneous_tree): Same.
369 (ppl_set_coef): Same.
370 (ppl_set_coef_tree): Same.
371 * graphite-sese-to-poly.c
372 (build_pbb_scattering_polyhedrons): Same.
373 (build_scop_scattering): Same.
374 (scan_tree_for_params_right_scev): Same.
375 (scan_tree_for_params): Same.
376 (find_params_in_bb): Same.
377 (find_scop_parameters): Same.
378 (add_upper_bounds_from_estimated_nit): Same.
379 (build_loop_iteration_domains): Same.
380 (add_condition_to_domain): Same.
381 (pdr_add_memory_accesses): Same.
383 2010-05-05 Andreas Simbuerger <simbuerg@fim.uni-passau.de>
385 * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
386 CLooG's value_* macros to their respective mpz_* counterparts.
387 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
388 (graphite_create_new_loop_guard): Same.
389 * graphite-interchange.c (build_linearized_memory_access): Same.
390 (pdr_stride_in_loop): Same.
391 (memory_strides_in_loop_1): Same.
392 (1st_interchange_profitable_p): Same.
393 * graphite-poly.c (extend_scattering): Same.
394 (psct_scattering_dim_for_loop_depth): Same.
395 (pbb_number_of_iterations): Same.
396 (pbb_number_of_iterations_at_time): Same.
397 * graphite-poly.h (new_1st_loop): Same.
398 * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
399 (oppose_constraint): Same.
400 (insert_constraint_into_matrix): Same.
401 (ppl_set_inhomogeneous_gmp): Same.
402 (ppl_set_coef_gmp): Same.
403 (ppl_strip_loop): Same.
404 (ppl_lexico_compare_linear_expressions): Same.
405 (ppl_max_for_le_pointset): Same.
406 (ppl_min_for_le_pointset): Same.
407 (ppl_build_realtion): Same.
408 * graphite-ppl.h (gmp_cst_to_tree): Same.
409 (ppl_set_inhomogeneous): Same.
410 (ppl_set_inhomogeneous_tree): Same.
411 (ppl_set_coef): Same.
412 (ppl_set_coef_tree): Same.
413 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
414 (build_scop_scattering): Same.
415 (add_value_to_dim): Same.
416 (scan_tree_for_params_right_scev): Same.
417 (scan_tree_for_params_int): Same.
418 (scan_tree_for_params): Same.
419 (find_params_in_bb): Same.
420 (find_scop_parameters): Same.
421 (add_upper_bounds_from_estimated_nit): Same.
422 (build_loop_iteration_domains): Same.
423 (create_linear_expr_from_tree): Same.
424 (add_condition_to_domain): Same.
425 (pdr_add_memory_accesses): Same.
427 2010-05-06 Magnus Fromreide <magfr@lysator.liu.se>
428 Jason Merrill <jason@redhat.com>
430 * c-common.c (c_common_reswords): Add nullptr.
431 * c-common.h: Add RID_NULLPTR. Reorganize C++0x rids.
432 * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
433 (gen_type_die_with_usage): Likewise.
434 * dbxout.c (dbxout_type): Likewise.
435 * sdbout.c (plain_type_1): Likewise.
437 2010-05-06 Jason Merrill <jason@redhat.com>
439 * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
440 Don't change GS_OK to GS_ALL_DONE. Make sure that all cases set
442 (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
444 * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
445 stripping WITH_SIZE_EXPR.
446 (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
449 2010-05-06 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
451 * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
452 list of obsolete configurations.
453 Disabled check for obsolete configurations.
454 (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
455 Removed support for previous versions.
456 * config/mips/iris.h: Removed.
457 * config/mips/iris5.h: Removed.
458 * config/mips/iris6.h: Merged old iris.h contents.
459 (TARGET_IRIX): Removed.
460 (DRIVER_SELF_SPECS): Removed mabi=32.
461 (IDENT_ASM_OP): Removed undef.
462 (STARTFILE_SPEC): Removed mabi=32.
463 (ENDFILE_SPEC): Likewise.
464 (IRIX_SUBTARGET_LINK_SPEC): Likewise.
465 (MACHINE_TYPE): Update for IRIX 6.5.
466 * config/mips/mips.c (mips_build_builtin_va_list): Replaced
467 TARGET_IRIX by TARGET_IRIX6.
468 (mips_file_start): Likewise.
469 (mips_output_external): Remove IRIX 5/6 O32 support.
470 (mips_output_function_prologue): Likewise.
471 * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
473 (TARGET_CPU_CPP_BUILTINS): Likewise.
474 (TARGET_IRIX): Removed.
475 * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
476 (MULTILIB_DIRNAMES): Removed 32.
477 (MULTILIB_OSDIRNAMES): Removed ../lib.
478 * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
479 (Specific, mips-sgi-irix5): Document removal.
480 (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
481 Remove references to older IRIX 6 releases and the O32 ABI.
483 2010-05-06 Jakub Jelinek <jakub@redhat.com>
486 * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
487 instead of DF_REF_REAL_REG.
489 2010-05-06 Dave Korn <dave.korn.cygwin@gmail.com>
492 * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
493 handling to still return true for x64 targets.
495 2010-05-06 Maxim Kuvyrkov <maxim@codesourcery.com>
497 * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
499 2010-05-06 Jan Hubicka <jh@suse.cz>
501 PR tree-optimization/43791
502 * ipa-inline.c (update_caller_keys): Remove bogus
503 disregard_inline_limits check.
505 2010-05-06 Michael Matz <matz@suse.de>
507 PR tree-optimization/43984
508 * tree-ssa-pre.c (inserted_phi_names): Remove.
509 (inserted_exprs): Change to bitmap.
510 (create_expression_by_pieces): Set bits, don't append to vector.
511 (insert_into_preds_of_block): Don't handle inserted_phi_names.
512 (eliminate): Don't look at inserted_phi_names, remove deleted
513 insns from inserted_exprs.
514 (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
515 (init_pre, fini_pre): Allocate and free bitmaps.
516 (execute_pre): Insert insns on edges before elimination.
518 2010-05-06 Maxim Kuvyrkov <maxim@codesourcery.com>
520 * tree.c (initializer_zerop): Handle STRING_CST.
522 2010-05-06 Manuel López-Ibáñez <manu@gcc.gnu.org>
525 * doc/invoke.texi (Wimplicit): Document as C only.
526 * opts.c (common_handle_option): Add argument kind.
527 (handle_option): Rename as read_cmdline_option. Factor out code to...
528 (handle_option): ... here. New.
529 (handle_options): Rename as read_cmdline_options.
530 (decode_options): Update call.
531 (set_option): Use option index instead of option pointer. Classify
532 diagnostics correctly.
533 (enable_warning_as_error): Call handle_option.
534 * opts.h (set_option): Update declaration.
535 (handle_option): Declare.
536 * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
537 * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
538 * c-opts.c (set_Wimplicit): Delete.
539 (c_family_lang_mask): New static constant.
540 (c_common_handle_option): Add argument kind. Use handle_option
541 instead of set_Wimplicit.
542 (c_common_post_options): warn_implicit and warn_implicit_int
543 are disabled by default.
544 * c-common.c (warn_implicit): Do not define here.
545 * c-common.h (warn_implicit): Do not declare here.
546 (c_common_handle_option): Update declaration.
547 * lto-opts.c (lto_reissue_options): Update call to set_option.
549 2010-05-06 Richard Guenther <rguenther@suse.de>
551 PR tree-optimization/43571
552 * domwalk.c (walk_dominator_tree): Walk the dominator
553 sons in more optimal order.
555 2010-05-06 Richard Guenther <rguenther@suse.de>
557 PR tree-optimization/43934
558 * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
559 (stmt_cost): Likewise.
560 (extract_true_false_args_from_phi): New helper.
561 (determine_max_movement): For PHI nodes verify we can hoist them
562 and compute their cost.
563 (determine_invariantness_stmt): Handle PHI nodes.
564 (move_computations_stmt): Likewise. Hoist PHI nodes in
565 if-converted form using COND_EXPRs.
566 (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
567 (tree_ssa_lim): Likewise.
568 * tree-flow.h (tree_ssa_lim): Adjust prototype.
569 * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
571 2010-05-06 Richard Guenther <rguenther@suse.de>
573 PR tree-optimization/43987
574 * tree-ssa-structalias.c (could_have_pointers): For possibly
575 address-taken variables force pointers to be recorded.
576 (create_variable_info_for_1): Likewise.
577 (push_fields_onto_fieldstack): Pass in wheter all fields
579 (find_func_aliases): Query types instead of vars whether
580 they contain pointers where appropriate.
582 2010-05-06 Jan Hubicka <jh@suse.cz>
584 * cgraphbuild.c (record_reference_ctx): Add varpool_node.
585 (record_reference, mark_address, mark_load, mark_store): Record
587 (record_references_in_initializer): Update call of record_references.
588 (rebuild_cgraph_edges): Remove all references before rebuiding.
589 * cgraph.c (cgraph_create_node): Clear ref list.
590 (cgraph_remove_node): Remove references.
591 (dump_cgraph_node): Dump references.
592 (cgraph_clone_node): Clone references.
593 * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
594 (struct cgraph_node, varpool_node): Add ref_lst.
595 * ipa-ref.c: New file.
596 * ipa-ref.h: New file.
597 * ipa-ref-inline.h: New file.
598 * lto-cgraph.c (output_varpool): Take cgrag node set argument.
599 (referenced_from_other_partition_p): New function.
600 (lto_output_varpool_node): Take set arugment; call
601 referenced_from_other_partition.
602 (lto_output_ref): New.
603 (add_references): New.
605 (output_cgraph): Compute boundary based on references; output refs.
606 (output_varpool): Accept cgraph_node_set argument.
609 (input_cgraph): Call input_refs.
610 * lto-section-in.c (lto_section_name): Add refs.
611 * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
612 (ipa-ref.o): New file.
613 * varpool.c (varpool_node): Clear ipa ref list.
614 (varpool_remove_node): Remove references.
615 (dump_varpool_node): Dump references.
616 (varpool_assemble_decl): Only compile finalized ones.
617 (varpool_extra_name_alias): Initialize ref list.
618 * lto-streamer.c (lto-get_section_name): Add .refs section.
619 * lto-streamer.h (lto_section_type): Add LTO_section_refs.
620 (referenced_from_other_partition_p): Declared.
622 2010-05-06 Ira Rosen <irar@il.ibm.com>
624 PR tree-optimization/43901
625 * tree-vect-stmts.c (vectorizable_call): Assert that vector
626 type is not NULL if it's transformation phase, and return
627 FALSE if it's analysis.
628 (vectorizable_conversion, vectorizable_operation,
629 vectorizable_type_demotion, vectorizable_type_promotion): Likewise.
631 2010-05-05 Andrew Pinski <andrew.pinski@caviumnetworks.com>
633 * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
635 * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
637 * config/mips/mips-protos.h
638 (mips_small_register_classes_for_mode_p): Delete prototype.
640 2010-05-06 Bernd Schmidt <bernds@codesourcery.com>
642 * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
643 * config/arm/arm.c (multiple_operation_profitable_p,
644 compute_offset_order): New static functions.
645 (load_multiple_sequence, store_multiple_sequence): Use them.
646 Replace constant 4 with MAX_LDM_STM_OPS. Compute order[0] from
647 memory offsets, not register numbers.
648 (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
650 2010-05-05 Steven Bosscher <steven@gcc.gnu.org>
652 * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *.
653 (get_pending_sizes, put_pending_size, put_pending_sizes):
654 Update the uses of pending_sizes.
655 * c-decl.c (store_parm_decls): Likewise.
656 * c-tree.h (struct c_arg_info): Likewise.
657 * tree.h: Update the prototype for get_pending_sizes and
660 2010-05-05 Jason Merrill <jason@redhat.com>
663 * c-common.c (handle_aligned_attribute): Respect
664 ATTR_FLAG_TYPE_IN_PLACE.
667 * target.h (struct gcc_target): Add attribute_takes_identifier_p.
668 * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
669 (TARGET_INITIALIZER): Use it.
670 * c-common.c (attribute_takes_identifier_p): Call it.
671 * c-common.h: Update prototype.
672 * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
673 (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
675 2010-05-05 Jakub Jelinek <jakub@redhat.com>
678 * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
679 DW_ID_down_case for Fortran compilation units.
681 2010-05-05 Jan Hubicka <jh@suse.cz>
683 * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
686 2010-05-05 Eric Botcazou <ebotcazou@adacore.com>
688 * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
689 a variable-sized RESULT_DECL.
691 2010-05-05 Maxim Kuvyrkov <maxim@codesourcery.com>
693 * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
695 2010-05-05 Jason Merrill <jason@redhat.com>
698 * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
700 (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
702 2010-05-05 Alexandre Oliva <aoliva@redhat.com>
703 Jakub Jelinek <jakub@redhat.com>
706 * df-problems.c (struct dead_debug_use, struct dead_debug): New.
707 (dead_debug_init, dead_debug_finish): New functions.
708 (dead_debug_add, dead_debug_insert_before): Likewise.
709 (df_note_bb_compute): Initialize a dead_debug object, add dead
710 debug uses to it, insert debug bind insns before death insns,
711 reset debug insns that refer to pending uses at the end.
712 * rtl.h (make_debug_expr_from_rtl): New prototype.
713 * varasm.c (make_debug_expr_from_rtl): New function.
715 2010-05-05 Jan Hubicka <jh@suse.cz>
717 * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
718 (lto_varpool_encoder_new, lto_varpool_encoder_delete,
719 lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
720 lto_varpool_encoder_deref, lto_varpool_encoder_size,
721 lto_varpool_encoder_encode_initializer_p,
722 lto_set_varpool_encoder_encode_initializer): New functions.
723 (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
725 (input_varpool_node): Do not always set analyzed.
726 (input_cgraph_1): Return vector of cgraph nodes.
727 (input_varpool_1): Return vector of varpools.
728 (input_cgraph): Free the vectors.
729 * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
730 output only initializers needed.
731 (lto_output): Only call output_cgraph.
732 (produce_asm_for_decls): Call lto_varpool_encoder_delete.
733 * lto-section-out.c (lto_new_out_decl_state): Initialize
734 state->varpool_node_encoder.
735 * lto-streamer.h (lto_varpool_encoder_d): New.
736 (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
737 (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
738 (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
739 lto_varpool_encoder_encode, lto_varpool_encoder_delete,
740 lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
742 (output_varpool, input_varpool): Remove declarations.
744 2010-05-05 Jan Hubicka <jh@suse.cz>
746 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
747 with body can prevail.
749 2010-05-05 Jan Hubicka <jh@suse.cz>
751 * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
754 2010-05-05 Laurynas Biveinis <laurynas.biveinis@gmail.com>
756 * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies.
758 * gengtype.h (erro_at_line): Constify pos argument.
760 * gengtype.c: Include hashtab.h.
761 (enum gc_used): Document GC_MAYBE_POINTED_TO.
762 (error_at_line): Constify pos argument.
763 (do_typedef): Initialize p->opt field.
764 (get_file_gtfilename): Fix comment typo.
765 (struct walk_type_data): Constify line field.
766 (get_output_file_for_structure): New function.
767 (write_local_func_for_structure): Constify orig_s argument.
768 Use get_output_file_for_structure.
769 (write_func_for_structure): Use get_output_file_for_structure.
770 (INDENT): New define.
771 (dump_pair, dump_type, dump_type_list, dump_typekind)
772 (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
773 (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
775 (seen_types): New variable.
776 (main): New variable do_dump. Process "-d" command line option.
777 Call dump_everything if dump requested.
779 2010-05-05 Jakub Jelinek <jakub@redhat.com>
781 * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
782 in a temporary instead of invoking the macro multiple times.
783 (track_expr_p): Likewise.
785 2010-05-04 Neil Vachharajani <nvachhar@google.com>
787 * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
789 * opts.c (decode_options): Enable -Werror=coverage-mismatch.
790 * coverage.c (get_coverage_counts): Always emit a warning. Adjust
791 conditions for printing notes.
792 * common.opt (-Wcoverage-mismatch): Allow negative, default to
793 true, update documentation.
794 * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
796 2010-05-04 Jakub Jelinek <jakub@redhat.com>
799 * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
802 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
805 * config/i386/i386.md (sse_prologue_save): Clobber CC register.
806 (*sse_prologue_save_insn1): Likewise.
807 (SSE prologue save splitter): Likewise.
809 2010-05-04 Eric Botcazou <ebotcazou@adacore.com>
811 * tree.c (free_lang_data_in_one_sizepos): New inline function.
812 (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
813 types. Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
814 (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
815 all decls. Call it on DECL_FIELD_OFFSET of fields.
816 (find_decls_types_r): Follow DECL_VALUE_EXPR.
817 (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
819 2010-05-04 Martin Jambor <mjambor@suse.cz>
821 * tree-sra.c (build_access_from_expr_1): The first parameter type
822 changed to simple tree.
823 (build_access_from_expr): Likewise, gsi parameter was eliminated.
824 (scan_assign_result): Renamed to assignment_mod_result, enum elements
826 (build_accesses_from_assign): Removed all parameters except for a
827 simple gimple statement. Now returns a simple bool.
828 (scan_function): All non-analysis parts moved to separate functions
829 sra_modify_function_body and ipa_sra_modify_function_body. Removed all
830 parameters and updated both callers.
831 (sra_modify_expr): Removed parameter data.
832 (sra_modify_function_body): New function.
833 (perform_intra_sra): Call sra_modify_function_body to modify the
835 (replace_removed_params_ssa_names): Parameter data changed into
837 (sra_ipa_modify_expr): Likewise. Also removed unused parameter gsi and
838 changed the parameter dont_convert to convert with the opposite
840 (sra_ipa_modify_assign): Parameter data changed into adjustments
841 vector, return value changed to bool.
842 (ipa_sra_modify_function_body): New function.
843 (sra_ipa_reset_debug_stmts): Updated a comment.
844 (modify_function): Use ipa_sra_modify_function_body to modify function
847 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
850 * alias.c (true_dependence): Handle the same VALUE in x and mem.
851 (canon_true_dependence): Likewise.
852 (write_dependence_p): Likewise.
854 2010-05-04 Jan Hubicka <jh@suse.cz>
856 * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
857 * cgraphbuild.c: Include ipa-utils.h
858 (record_reference_ctx): New struct.
859 (record_reference): Simplify to work on initializers; not statements.
860 (mark_address, mark_load, mark_store): New.
861 (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
863 (record_references_in_initializer): Update use of record_reference.
864 (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
867 2010-05-04 Jan Hubicka <jh@suse.cz>
869 * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
870 node will be removed anyway.
871 (lto_varpool_replace_node): Allow also unanalyzed nodes;
872 relink aliases of node into prevailing node.
873 * varpool.c (varpool_remove_node): Remove aliases properly;
874 when removing node, remove all its aliases too; remove DECL_INITIAL
875 of removed node; ggc_free the varpool node.
877 2010-05-04 Richard Guenther <rguenther@suse.de>
879 PR tree-optimization/43879
880 * tree-ssa-structalias.c (alias_get_name): Use
881 DECL_ASSEMBLER_NAME if available.
882 (create_function_info_for): Return the varinfo node.
883 (ipa_pta_execute): Associate same-body aliases and extra names
884 with their origin nodes varinfo. Dump DECL_ASSEMBLER_NAME.
886 2010-05-04 Kaz Kojima <kkojima@gcc.gnu.org>
888 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static.
890 2010-05-04 Mikael Pettersson <mikpe@it.uu.se>
893 * ira-color.c (assign_hard_reg): Declare rclass and add_cost
894 only if HONOR_REG_ALLOC_ORDER is not defined.
896 2010-05-04 Richard Guenther <rguenther@suse.de>
898 PR tree-optimization/43949
899 * tree-vrp.c (extract_range_from_binary_expr): Only handle
902 2010-04-26 Jason Merrill <jason@redhat.com>
904 * c.opt (-fstrict-enums): New.
905 * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
907 2010-05-03 David Ung <davidu@mips.com>
908 James E. Wilson <wilson@codesourcery.com>
910 * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
911 emit the trap instruction before the divide for TUNE_74K.
913 2010-05-03 Steven Bosscher <steven@gcc.gnu.org>
915 * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
916 (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
917 based on the above, for new target hook.
919 * hooks.c (hook_bool_mode_true): New generic hook.
920 * hooks.h (hook_bool_mode_true): Add prototype.
922 * target.h (struct gcc_target): Add small_register_classes_for_mode_p
924 * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
925 target hook, set to hook_bool_mode_false.
926 * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
927 * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
928 with targetm.small_register_classes_for_mode_p.
929 (find_reusable_reload): Likewise.
930 (combine_reloads): Likewise.
931 * reload1.c (reload_as_needed): Likewise.
932 * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
933 * ifcvt.c (noce_process_if_block, check_cond_move_block,
934 dead_or_predicable): Likewise.
935 * regmove.c (optimize_reg_copy_1): Likewise.
936 * calls.c (prepare_call_address): Likewise.
937 (precompute_register_parameters): Likewise.
939 * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
941 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
942 implementation of the hook that considers all register classes
943 small except for SH64.
944 (sh_override_options): Use the new hook.
945 * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
948 * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
950 * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
951 implementation of the hook that considers all register classes
953 * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
956 * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
958 * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
959 implementation of the hook that considers all register classes
961 * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
964 * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
966 * config/m32c/m32c.h: Likewise.
967 * config/pdp11/pdp11.h: Likewise.
968 * config/avr/avr.h: Likewise.
969 * config/xtensa/xtensa.h: Likewise.
970 * config/m68hc11/m68hc11.h: Likewise.
971 * config/mn10300/mn10300.h: Likewise.
972 * config/mcore/mcore.h: Likewise.
973 * config/h8300/h8300.h: Likewise.
974 * config/bfin/bfin.h: Likewise.
976 * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
977 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
979 2010-05-03 Anatoly Sokolov <aesok@post.ru>
981 * double-int.h (tree_to_double_int): Remove macro.
982 (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
983 * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
984 (tree_to_double_int): New function.
985 * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
987 * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
989 2010-05-03 Richard Guenther <rguenther@suse.de>
991 PR tree-optimization/43971
992 * tree-ssa-structalias.c (get_constraint_for_1): Fix
993 constraints in the !flag_delete_null_pointer_checks case.
995 2010-05-03 Jakub Jelinek <jakub@redhat.com>
998 * config/i386/i386.c (ix86_delegitimize_address): Make sure the
999 result mode matches original rtl mode.
1001 2010-05-03 Dave Korn <dave.korn.cygwin@gmail.com>
1004 * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
1006 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
1008 * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
1009 when processing flag options.
1011 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
1013 * gcov-iov.c (main): Change format string placeholder
1014 from %#08x to 0x%08x.
1015 * genchecksum.c (dosum): Change format string placeholder
1016 from %#02x to 0x%02x.
1018 2010-05-02 Richard Guenther <rguenther@suse.de>
1020 PR tree-optimization/43879
1021 * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
1023 2010-05-02 Bruno Haible <bruno@clisp.org>
1025 * doc/extend.texi (Function Attributes): Fix a typo.
1027 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
1030 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
1031 placeholder from 0x%x to %#x.
1032 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1033 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1034 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1035 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1036 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1037 * config/i386/i386.c (ix86_target_string): Ditto.
1038 * config/i386/i386.c (output_pic_addr_const): Ditto.
1039 (print_operand): Ditto.
1041 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
1043 * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
1044 placeholder from 0x%x to %#x.
1045 (ASM_OUTPUT_DEBUG_DATA1): Ditto.
1046 (ASM_OUTPUT_DEBUG_DATA4): Ditto.
1047 (ASM_OUTPUT_DEBUG_DATA): Ditto.
1048 (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
1049 (ASM_OUTPUT_DEBUG_DATA8): Ditto.
1050 * optc-gen.awk: Ditto.
1051 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
1052 (HOST_WIDE_INT_PRINT_HEX): Ditto.
1053 (HOST_WIDEST_INT_PRINT_HEX): Ditto.
1054 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1056 2010-05-01 Anatoly Sokolov <aesok@post.ru>
1058 * target.h (struct calls): Add function_value_regno_p field.
1059 * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
1060 (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
1061 * targhooks.c (default_function_value_regno_p): New function.
1062 * targhooks.h (default_function_value_regno_p): Declare function.
1063 * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
1064 * builtins.c. (apply_result_size): (Ditto.).
1065 * combine.c. (likely_spilled_retval_p): (Ditto.).
1066 * mode-switching.c. Include 'target.h'.
1067 (create_pre_exit): Use function_value_regno_p hook.
1068 * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
1069 * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
1070 TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
1072 * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
1073 * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
1074 (ix86_function_value_regno_p): Declare as static, change argument
1075 type to const unsigned int.
1076 * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
1078 2010-05-01 Richard Guenther <rguenther@suse.de>
1080 PR tree-optimization/43949
1081 * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
1083 (extract_range_from_binary_expr): Handle *_MOD_EXPR.
1085 2010-05-01 Anatoly Sokolov <aesok@post.ru>
1087 * rtl.h (CONST_DOUBLE_P): Define.
1088 (rtx_to_double_int): Declare.
1089 * emit-rtl.c (rtx_to_double_int): New function.
1090 * dwarf2out.c (insert_double): New function.
1091 (loc_descriptor, add_const_value_attribute): Clean up, use
1092 rtx_to_double_int and insert_double functions.
1094 2010-05-01 Jonathan Wakely <jwakely.gcc@gmail.com>
1096 * doc/extend.texi (Inline): Add missing return keyword to examples.
1097 (Function Attributes, Variable Attributes, Pragmas): Hyphenate
1100 2010-04-30 Eric Botcazou <ebotcazou@adacore.com>
1102 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
1103 the variable part of the offset as well. Use highest_pow2_factor for
1104 all alignment checks.
1106 2010-04-30 Richard Guenther <rguenther@suse.de>
1108 PR tree-optimization/43879
1109 * tree-ssa-structalias.c (type_could_have_pointers): Functions
1112 2010-04-30 Jan Hubicka <jh@suse.cz>
1114 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
1116 (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
1118 2010-04-30 Jan Hubicka <jh@suse.cz>
1120 * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
1122 * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
1123 * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
1124 (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
1125 cgraph_node_set_needs_ltrans_p): Remove.
1127 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
1129 * sdbout.c: Include vec.h, do not include varray.h.
1130 (deferred_global_decls, sdbout_global_decl,
1131 sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
1132 * toplev.c: Do not include varray.h.
1133 (dump_memory_report): Do not dump VARRAY statistics.
1134 * gengtype.c (open_base_file): Ignore varray.h.
1135 * Makefile.in: Update for abovementioned changes.
1136 Remove all traces of varray.c and varray.h.
1137 * varray.c: Remove file.
1138 * varray.h: Remove file.
1140 2010-04-30 Jan Hubicka <jh@suse.cz>
1142 * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
1145 2010-04-30 Jan Hubicka <jh@suse.cz>
1147 * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
1150 2010-04-30 Richard Guenther <rguenther@suse.de>
1152 * tree-ssa-structalias.c (get_constraint_for_1): Generate
1153 constraints for CONSTRUCTOR.
1155 2010-04-30 Richard Guenther <rguenther@suse.de>
1158 * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
1159 first after all lowering passes.
1161 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
1163 * toplev.c: Include varray.h for statistics dumping.
1164 * tree.h: Do not declare varray_head_tag.
1165 * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
1166 regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
1167 c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
1168 gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
1169 lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
1170 tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
1171 c-common.c, c-common.h, reg-stack.c, basic-block.h,
1172 tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
1174 * Makefile.in: Update for abovementioned changes.
1176 2010-04-30 Jakub Jelinek <jakub@redhat.com>
1179 * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
1181 2010-04-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1183 * config/picochip/picochip.c (picochip_legitimize_address): Define.
1184 Use this function to do machine-specific conversion.
1185 (picochip_legitimize_reload_address): Likewise.
1186 (picochip_legitimate_address_p): Check valid base register only if
1188 (picochip_check_conditional_copy): Check for modw only if opnd is
1190 * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
1191 to call the function in c.
1192 * config/picochip/picochip-protos.h
1193 (picochip_legitimize_reload_address): Define.
1194 * config/picochip/picochip.md (supported_compare1): Define.
1196 2010-04-30 Jan Hubicka <jh@suse.cz>
1198 * cgraph.h (cgraph_local_info): Remove for_functions_valid.
1199 (cgraph_global_info): Remove inlined.
1200 (LTO_cgraph_tag_names): Remove.
1201 (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
1202 * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
1203 simplify cgraph tags and document.
1204 (lto_output_node): Use only LTO_cgraph_unavail_node and
1205 LTO_cgraph_analyzed_node; Do not save analzed, reachable,
1206 for_functions_valid, global info, process and output flags.
1207 (input_overwrite_node): Initialize estimated stack size and
1208 estimated growth. Do not read flags we no longer store.
1209 (input_node): Likewise do not read info no longer stored.
1210 * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
1213 2010-04-30 Richard Guenther <rguenther@suse.de>
1215 PR tree-optimization/43879
1216 * tree-ssa-structalias.c (get_constraint_for_1): Properly
1217 handle non-zero initializers.
1219 2010-04-30 Richard Guenther <rguenther@suse.de>
1221 * builtins.c (fold_builtin_1): Delete free (0).
1223 2010-04-29 Jan Hubicka <jh@suse.cz>
1225 * gengtype.c (open_base_files): Add lto-streamer.h
1226 * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
1227 (pass_ipa_cp): GGC collect.
1228 * toplev. (compile_file): Do not output symbols.
1229 * ipa-inline.c (pass_ipa_inline): Add ggc collect.
1230 * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
1231 TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
1232 * lto-section-in.c: Include ggc.h
1233 (lto_new_in_decl_state): Alloc in GGC.
1234 (lto_delete_in_decl_state): Likewise.
1235 * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
1238 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
1241 * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
1242 ORDER_REGS_FOR_LOCAL_ALLOC. All instances of this macro changed.
1243 (HONOR_REG_ALLOC_ORDER): Describe new macro.
1244 * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
1245 * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
1246 account only if HONOR_REG_ALLOC_ORDER is not defined.
1247 * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
1248 * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
1250 2010-04-29 Jon Grant <04@jguk.org>
1252 * collect2.c (vflag): Change type from int to bool.
1254 (helpflag): New global bool.
1255 (main): Set vflag and debug with boolean, not integer truth values.
1256 Accept new "--help" option and output usage text if found.
1257 * collect2.h (vflag): Update prototype.
1260 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
1263 * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
1265 2010-04-29 Richard Guenther <rguenther@suse.de>
1268 * plugin.h (invoke_plugin_callbacks): Annotate arguments
1269 with ATTRIBUTE_UNUSED.
1271 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
1274 * config/i386/i386.c (get_some_local_dynamic_name): Replace
1275 INSN_P with NONDEBUG_INSN_P.
1276 (distance_non_agu_define): Likewise.
1277 (distance_agu_use): Likewise.
1279 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
1281 From Dominique d'Humieres <dominiq@lps.ens.fr>
1283 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
1286 2010-04-29 Brian Hackett <bhackett1024@gmail.com>
1288 * plugin.h (invoke_plugin_callbacks): New inline function.
1289 * plugin.c (flag_plugin_added): New global flag.
1290 (add_new_plugin): Initialize above flag.
1291 (invoke_plugin_callbacks): Rename to ...
1292 (invoke_plugin_callbacks_full): ... this.
1294 2010-04-28 Jan Hubicka <jh@suse.cz>
1296 * lto-symtab.c (lto_symtab_entry_def) Add vnode.
1297 (lto_varpool_replace_node): New.
1298 (lto_symtab_resolve_symbols): Resolve varpool nodes.
1299 (lto_symtab_merge_decls_1): Prefer decls with varpool node.
1300 (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
1301 * cgraph.h (varpool_node_ptr): New type.
1302 (varpool_node_ptr): New vector.
1303 (varpool_node_set_def): New structure.
1304 (varpool_node_set): New type.
1305 (varpool_node_set): New vector.
1306 (varpool_node_set_element_def): New structure.
1307 (varpool_node_set_element, const_varpool_node_set_element): New types.
1308 (varpool_node_set_iterator): New type.
1309 (varpool_node): Add prev pointers, add used_from_other_partition,
1311 (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
1312 varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
1313 varpool_get_node, varpool_remove_node): Declare.
1314 (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
1315 varpool_node_set_size): New inlines.
1316 * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
1317 * tree-pass.h (varpool_node_set_def): Forward declare.
1318 (ipa_opt_pass_d): Summary writting takes vnode sets too.
1319 (ipa_write_optimization_summaries): Update prototype.
1320 * ipa-cp.c (ipcp_write_summary): Update.
1321 * ipa-reference.c (ipa_reference_write_summary): Update.
1322 * lto-cgraph.c (lto_output_varpool_node): New static function.
1323 (output_varpool): New function.
1324 (input_varpool_node): New static function.
1325 (input_varpool_1): New function.
1326 (input_cgraph): Input varpool.
1327 * ipa-pure-const.c (pure_const_write_summary): Update.
1328 * lto-streamer-out.c (lto_output): Update, output varpool too.
1329 (write_global_stream): Kill WPA hack.
1330 (produce_asm_for_decls): Update.
1331 (output_alias_pair_p): Handle variables.
1332 (output_unreferenced_globals): Output only needed partition of varpool.
1333 * ipa-inline.c (inline_write_summary): Update.
1334 * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
1336 * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
1337 * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
1338 varpool_node_set_new, varpool_node_set_add,
1339 varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
1340 debug_varpool_node_set): New functions.
1341 * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
1342 (execute_one_pass): Process new decls too.
1343 (ipa_write_summaries_2): Pass around vsets.
1344 (ipa_write_summaries_1): Likewise.
1345 (ipa_write_summaries): Build vset; be more selective about cgraph nodes
1347 (ipa_write_optimization_summaries_1): Pass around vsets.
1348 (ipa_write_optimization_summaries): Likewise.
1349 * varpool.c (varpool_get_node): New.
1350 (varpool_node): Update doubly linked lists.
1351 (varpool_remove_node): New.
1352 (dump_varpool_node): More dumping.
1353 (varpool_enqueue_needed_node): Update doubly linked lists.
1354 (decide_is_variable_needed): Kill ltrans hack.
1355 (varpool_finalize_decl): Kill lto hack.
1356 (varpool_assemble_decl): Skip decls in other partitions.
1357 (varpool_assemble_pending_decls): Update doubly linkes lists.
1358 (varpool_empty_needed_queue): Likewise.
1359 (varpool_extra_name_alias): Likewise.
1360 * lto-streamer.c (lto_get_section_name): Add vars section.
1361 * lto-streamer.h (lto_section_type): Update.
1362 (output_varpool, input_varpool): Declare.
1364 2010-04-28 Mike Stump <mikestump@comcast.net>
1366 * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
1368 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
1370 * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
1371 record or union type with RECORD_OR_UNION_TYPE_P predicate.
1372 (lto_input_ts_type_tree_pointers): Likewise.
1373 * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
1374 (lto_output_ts_type_tree_pointers): Likewise.
1376 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
1378 Uniquization of constants at the Tree level
1379 * tree.h (DECL_IN_CONSTANT_POOL): New macro.
1380 (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
1382 (tree_output_constant_def): Declare.
1383 * gimplify.c (gimplify_init_constructor): When using block copy, first
1384 uniquize the constant constructor on the RHS.
1385 * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
1386 DECL_IN_CONSTANT_POOL flag.
1387 * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
1388 * varasm.c (make_decl_rtl): Deal with variables belonging to the global
1390 (assemble_variable): Deal with symbols belonging to the tree constant
1392 (get_constant_section): Add ALIGN parameter and simplify.
1393 (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
1394 (assemble_constant_contents): Use the expression of the VAR_DECL.
1395 (output_constant_def_contents): Use the alignment of the VAR_DECL.
1396 (tree_output_constant_def): New global function.
1397 (mark_constant): Use the expression of the VAR_DECL.
1398 (place_block_symbol): Use the alignment of the VAR_DECL and the size of
1400 (output_object_block): Likewise and assemble the expression.
1402 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
1404 * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
1405 hash_tree, eq_tree): New tree hash table.
1406 (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
1407 [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
1408 lto_orig_address_remove): Reimplement.
1410 2010-04-28 Xinliang David Li <davidxl@google.com>
1413 * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
1414 (compute_uninit_opnds_pos): New function.
1415 (is_non_loop_exit_postdominating): New function.
1416 (compute_control_dep_chain): New function.
1417 (find_pdom): New function.
1418 (convert_control_dep_chain_into_preds): New function.
1419 (find_predicates): New function.
1420 (find_control_equiv_block): New function.
1421 (collect_phi_def_edges): New function.
1422 (find_def_preds): New function.
1423 (find_dom): New function.
1424 (dump_predicates): New function.
1425 (get_cmp_code): New function.
1426 (is_value_included_in): New function.
1427 (find_matching_predicate_in_rest_chains): New function.
1428 (use_pred_not_overlap_with_undef_path_pred): New function.
1429 (is_use_properly_guarded): New function.
1430 (normalize_cond_1): New function.
1431 (is_and_or_or): New function.
1432 (normalize_cond): New function.
1433 (is_gcond_subset_of): New function.
1434 (is_subset_of_any): New function.
1435 (is_or_set_subset_of): New function.
1436 (is_and_set_subset_of): New function.
1437 (is_norm_cond_subset_of): New function.
1438 (is_pred_expr_subset_of): New function.
1439 (is_pred_chain_subset_of): New function.
1440 (is_included_in): New function.
1441 (is_superset_of): New function.
1442 (find_uninit_use): New function.
1443 (warn_uninitialized_phi): New function.
1444 (compute_possibly_undefined_names): New function.
1445 (ssa_undefined_value_p): New function.
1446 (execute_late_warn_uninitialized): New function.
1447 * tree-ssa.c (ssa_undefined_value_p): Removed.
1448 (warn_uninit): Changed to extern.
1449 (warn_uninitialized_phi): Removed.
1450 (warn_uninitialized_vars): Changed to extern.
1451 (execute_late_warn_uninitialized): Removed
1452 * tree-flow.h: Add new prototypes.
1453 * timevar.def: Add new time variable.
1454 * Makefile.in: Add new build file.
1456 2010-04-28 Uros Bizjak <ubizjak@gmail.com>
1458 * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
1461 2010-04-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1464 * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
1466 2010-04-28 Martin Jambor <mjambor@suse.cz>
1468 * cgraph.h (struct cgraph_node): New field indirect_calls.
1469 (struct cgraph_indirect_call_info): New type.
1470 (struct cgraph_edge): Removed field indirect_call. New fields
1471 indirect_info, indirect_inlining_edge and indirect_unknown_callee.
1472 (cgraph_create_indirect_edge): Declare.
1473 (cgraph_make_edge_direct): Likewise.
1474 (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
1475 * ipa-prop.h (struct ipa_param_call_note): Removed.
1476 (struct ipa_node_params): Removed field param_calls.
1477 (ipa_create_all_structures_for_iinln): Declare.
1478 * cgraph.c: Described indirect edges and uids in initial comment.
1479 (cgraph_add_edge_to_call_site_hash): New function.
1480 (cgraph_edge): Search also among the indirect edges, use
1481 cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
1482 (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
1483 one, use cgraph_add_edge_to_call_site_hash to add edges to the call
1485 (initialize_inline_failed): Assign a reason to indirect edges.
1486 (cgraph_create_edge_1): New function.
1487 (cgraph_create_edge): Moved some functionality to
1488 cgraph_create_edge_1.
1489 (cgraph_create_indirect_edge): New function.
1490 (cgraph_edge_remove_callee): Add an assert checking for
1492 (cgraph_edge_remove_caller): Special-case indirect edges.
1493 (cgraph_remove_edge): Likewise.
1494 (cgraph_set_edge_callee): New function.
1495 (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
1496 (cgraph_make_edge_direct): New function.
1497 (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
1498 the declaration of the call statement matches.
1499 (cgraph_node_remove_callees): Special-case indirect edges.
1500 (cgraph_clone_edge): Likewise.
1501 (cgraph_clone_node): Clone also the indirect edges.
1502 (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
1503 indirect_call, dump count of indirect_calls edges.
1504 * ipa-prop.c (iinlining_processed_edges): New variable.
1505 (ipa_note_param_call): Create indirect edges instead of
1506 creating notes. New parameter node.
1507 (ipa_analyze_call_uses): New parameter node, pass it on to
1508 ipa_note_param_call.
1509 (ipa_analyze_stmt_uses): Likewise.
1510 (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
1511 (print_edge_addition_message): Work on edges rather than on notes.
1512 (update_call_notes_after_inlining): Likewise, renamed to
1513 update_indirect_edges_after_inlining.
1514 (ipa_create_all_structures_for_iinln): New function.
1515 (ipa_free_node_params_substructures): Do not free notes.
1516 (ipa_edge_duplication_hook): Propagate bits within
1517 iinlining_processed_edges bitmap.
1518 (ipa_node_duplication_hook): Do not duplicate notes.
1519 (free_all_ipa_structures_after_ipa_cp): Renamed to
1520 ipa_free_all_structures_after_ipa_cp.
1521 (free_all_ipa_structures_after_iinln): Renamed to
1522 ipa_free_all_structures_after_iinln.
1523 (ipa_write_param_call_note): Removed.
1524 (ipa_read_param_call_note): Removed.
1525 (ipa_write_indirect_edge_info): New function.
1526 (ipa_read_indirect_edge_info): Likewise.
1527 (ipa_write_node_info): Do not stream notes, do stream information
1529 (ipa_read_node_info): Likewise.
1530 (lto_ipa_fixup_call_notes): Removed.
1531 * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
1532 * ipa-inline.c (pass_ipa_inline): Likewise.
1533 * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
1534 * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
1535 * tree-inline.c (copy_bb): Removed an unnecessary double check for
1537 * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
1539 * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
1540 (output_cgraph): Stream also indirect edges.
1541 (lto_output_edge): Added capability to stream indirect edges.
1542 (input_edge): Likewise.
1543 (input_cgraph_1): Likewise.
1544 * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
1547 2010-04-28 Richard Guenther <rguenther@suse.de>
1549 PR tree-optimization/43879
1550 PR tree-optimization/43909
1551 * tree-ssa-structalias.c (struct variable_info): Add
1552 only_restrict_pointers flag.
1553 (new_var_info): Initialize it. Increment stats.total_vars here.
1554 (create_function_info_for): Do not increment stats.total_vars here.
1555 (get_function_part_constraint): Fix build with C++.
1556 (insert_into_field_list): Remove.
1557 (push_fields_onto_fieldstack): Properly merge fields.
1558 (create_variable_info_for): Split and simplify.
1559 (create_variable_info_for_1): New piece.
1560 (intra_create_variable_infos): Properly make restrict constraints
1563 2010-04-28 Richard Guenther <rguenther@suse.de>
1566 * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
1568 2010-04-27 Manuel López-Ibáñez <manu@gcc.gnu.org>
1569 Jan Hubicka <hubicka@ucw.cz>
1571 * doc/invoke.texi (-Wsuggest-attribute=const,
1572 -Wsuggest-attribute=pure): Document.
1573 * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
1574 (function_always_visible_to_compiler_p,
1575 suggest_attribute, warn_function_pure, warn_function_const):
1577 (check_call): Improve debug info.
1578 (analyze_function): Do not check availability.
1579 (add_new_function): Check availability.
1580 (propagate): Output warnings.
1581 (skip_function_for_local_pure_const): New function.
1582 (local_pure_const): Use it; output warnings.
1583 * common.opt (Wsuggest-attribute=const,
1584 Wsuggest-attribute=pure): New.
1586 2010-04-27 Jakub Jelinek <jakub@redhat.com>
1588 * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
1589 force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
1590 or DW_CFA_def_cfa_offset{,_sf}.
1592 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
1594 * tree.h: Fix truncated long macros.
1596 2010-04-27 Kai Tietz <kai.tietz@onevision.com>
1598 * collect2.c (TARGET_64BIT): Redefine to target's default.
1599 * tlink.c: Likewise.
1600 * config/i386/cygming.h (USER_LABEL_PREFIX): Define
1601 dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
1602 * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
1603 for underscoring __USER_LABEL_PREFIX__.
1604 * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
1605 (SUB_LINK_ENTRY32): New.
1606 (SUB_LINK_ENTRY64): New.
1607 (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
1608 * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
1609 (SUB_LINK_ENTRY64): New.
1610 (SUB_LINK_ENTRY): New.
1611 (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
1612 (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
1613 x64 target is choosen.
1614 * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
1615 * configure: Regenerated.
1616 * configure.ac (leading-mingw64-underscores): Option added.
1618 2010-04-27 Jan Hubicka <jh@suse.cz>
1620 * doc/invoke.texi (-fipa-profile): Document.
1621 * opts.c (decode_options): Enable ipa-profile at -O1.
1622 * timevar.def (TV_IPA_PROFILE): Define.
1623 * common.opt (fipa-profile): Add.
1624 * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
1626 (cgraph_propagate_frequency): Handle only local ones.
1627 * tree-pass.h (pass_ipa_profile): Declare.
1628 * ipa-profile.c (gate_profile): Use flag_ipa_profile.
1629 (pass_ipa_profile): Use TV_IPA_PROFILE.
1630 * ipa.c (ipa_profile): New function.
1631 (gate_ipa_profile): Likewise.
1632 (pass_ipa_profile): New global variable.
1633 * passes.c (pass_ipa_profile): New.
1635 2010-04-27 Nathan Froyd <froydnj@codesourcery.com>
1637 * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
1639 2010-04-27 Martin Jambor <mjambor@suse.cz>
1642 * ipa.c (dissolve_same_comdat_group_list): New function.
1643 (function_and_variable_visibility): Call
1644 dissolve_same_comdat_group_list when comdat group contains external or
1646 * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
1647 lists are circular and that they contain only DECL_ONE_ONLY nodes.
1649 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
1651 * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
1652 (const_hash_1) <VECTOR_CST>: New case.
1653 (compare_constant) <VECTOR_CST>: Likewise.
1654 <ADDR_EXPR>: Deal with LABEL_REFs.
1655 (copy_constant) <VECTOR_CST>: New case.
1657 2010-04-27 Jan Hubicka <jh@suse.cz>
1659 * cgraph.c (cgraph_propagate_frequency): New function.
1660 * cgraph.h (cgraph_propagate_frequency): Declare.
1661 * ipa-inline.c (cgraph_clone_inlined_nodes): Call
1662 cgraph_propagate_frequency.
1664 2010-04-27 Jakub Jelinek <jakub@redhat.com>
1666 * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
1668 2010-04-27 Bernd Schmidt <bernds@codesourcery.com>
1671 * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
1672 (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
1673 here to determine which regs to push and how much stack to reserve.
1675 2010-04-27 Jie Zhang <jie@codesourcery.com>
1677 * doc/gimple.texi (gimple_statement_with_ops): Remove
1678 addresses_taken field.
1679 (gimple_statement_with_memory_ops): Likewise.
1681 2010-04-27 Jan Hubicka <jh@suse.cz>
1683 * tree-inline.c (eni_inlining_weights): Remove.
1684 (estimate_num_insns): Special case more builtins.
1686 2010-04-27 Shujing Zhao <pearly.zhao@oracle.com>
1689 * c-typeck.c (build_binary_op): Move forward check for comparison
1690 pointer with null pointer constant and adjust the diagnostic message.
1692 2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
1695 * configure.ac (gcc_cv_as_section_has_align): Set if installed
1696 binutils supports extended .section directive needed by LTO, or
1697 warn if older binutils found.
1698 (LTO_BINARY_READER): New AC_SUBST'd variable.
1699 (LTO_USE_LIBELF): Likewise.
1700 * gcc/config.gcc (lto_binary_reader): New target-specific configure
1702 * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
1703 (LTO_USE_LIBELF): Likewise.
1704 * configure: Regenerate.
1706 * collect2.c (is_elf): Rename from this ...
1707 (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
1708 object files in addition to ELF-formatted ones.
1709 (scan_prog_file): Caller updated. Also allow for LTO info marker
1710 symbol to be prefixed or not by an extra underscore.
1712 * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
1713 * config/i386/winnt.c: Also #include lto-streamer.h
1714 (i386_pe_asm_named_section): Specify 1-byte section alignment for
1716 (i386_pe_asm_output_aligned_decl_common): Add comment.
1717 (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
1719 2010-04-27 Hans-Peter Nilsson <hp@bitrange.com>
1722 * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
1723 Add missing earlyclobber for second alternative.
1725 2010-04-26 Bernd Schmidt <bernds@codesourcery.com>
1727 * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
1728 bits for artificial defs at the top of the block.
1729 * fwprop.c (single_def_use_enter_block): Don't call it.
1731 2010-04-26 Jack Howarth <howarth@bromo.med.uc.edu>
1734 * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
1735 instead of "$gcc_cv_objdump -T".
1736 Use "-undefined dynamic_lookup" on darwin.
1737 * gcc/configure: Regenerate.
1739 2010-04-26 Jakub Jelinek <jakub@redhat.com>
1742 * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
1744 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
1746 * c-parser.c (struct c_token): Move location field up.
1747 * c-tree.h (struct c_typespec): Move expr_const_operands field up.
1748 (struct c_declspecs): Convert typespec_word, storage_class, and
1749 default_int_p into bitfields.
1750 (struct c_declarator): Move loc field up.
1752 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
1754 * cfgloop.h (struct loop): Move can_be_parallel field up.
1755 * ipa-prop.h (struct ip_node_params): Move bitfields up.
1756 * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
1758 (struct iv_cand): Convert pos field into a bitfield.
1759 * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
1761 (struct _stmt_vec_info): Shuffle fields for better packing.
1763 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
1765 * varasm.c (IN_NAMED_SECTION): Remove guard.
1766 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
1767 (IN_NAMED_SECTION_P): ...this.
1768 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
1769 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1771 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
1773 * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
1774 Use VOID_TYPE_P for all void type tests. Adjust TYPE variable instead
1775 of shadowing it. Fix comments.
1777 2010-04-26 Jan Hubicka <jh@suse.cz>
1779 * cgraph.c (cgraph_create_node): Set node frequency to normal.
1780 (cgraph_clone_node): Copy function frequency.
1781 * cgraph.h (node_frequency): New enum
1782 (struct cgraph_node): Add.
1783 * final.c (rest_of_clean_state): Update.
1784 * lto-cgraph.c (lto_output_node): Output node frequency.
1785 (input_overwrite_node): Input node frequency.
1786 * tre-ssa-loop-ivopts (computation_cost): Update.
1787 * lto-streamer-out.c (output_function): Do not output function
1789 * predict.c (maybe_hot_frequency_p): Update and handle functions
1791 (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
1793 (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
1794 (compute_function_frequency): Set noreturn functions to be executed
1796 (choose_function_section): Update.
1797 * lto-streamer-in.c (input_function): Do not input function frequency.
1798 * function.c (allocate_struct_function): Do not initialize function
1800 * function.h (function_frequency): Remove.
1801 (struct function): Remove function frequency.
1802 * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
1803 (try_update): Update.
1804 * tree-inline.c (initialize_cfun): Do not update function frequency.
1805 * passes.c (pass_init_dump_file): Update.
1806 * i386.c (ix86_compute_frame_layout): Update.
1807 (ix86_pad_returns): Update.
1809 2010-04-26 Jie Zhang <jie@codesourcery.com>
1811 PR tree-optimization/43833
1812 * tree-vrp.c (range_int_cst_p): New.
1813 (range_int_cst_singleton_p): New.
1814 (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
1815 when both operands are constants. Use range_int_cst_p in
1818 2010-04-26 Jan Hubicka <jh@suse.cz>
1820 * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
1822 2010-04-26 Richard Guenther <rguenther@suse.de>
1825 * gimple.c (gimple_decl_printable_name): Deal gracefully
1826 with a NULL DECL_NAME.
1828 2010-04-26 Richard Guenther <rguenther@suse.de>
1831 * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
1832 if emitting debug information and it is either a function
1833 or a namespace decl.
1835 2010-04-26 Ira Rosen <irar@il.ibm.com>
1837 * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
1838 determine if the statement is vectorizable, and a macro to access it.
1839 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1840 Skip statements that can't be vectorized. If the analysis fails,
1841 mark the statement as unvectorizable if vectorizing basic block.
1842 (vect_compute_data_refs_alignment): Likewise.
1843 (vect_verify_datarefs_alignment): Skip statements marked as
1844 unvectorizable. Add print.
1845 (vect_analyze_group_access): Skip statements that can't be
1846 vectorized. If the analysis fails, mark the statement as
1847 unvectorizable if vectorizing basic block.
1848 (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
1849 * tree-vect-stmts.c (vectorizable_store): Fix the number of
1850 generated stmts for SLP.
1851 (new_stmt_vec_info): Initialize the new field.
1852 * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
1853 statements marked as unvectorizable.
1855 2010-04-25 Joseph Myers <joseph@codesourcery.com>
1857 * c-common.c (flag_isoc1x): New.
1858 (flag_isoc99): Update comment.
1859 * c-common.h (flag_isoc1x): New.
1860 (flag_isoc99): Update comment.
1861 * c-cppbuiltin.c (builtin_define_float_constants): Also define
1862 __<type>_DECIMAL_DIG__.
1863 * c-opts.c (set_std_c1x): New.
1864 (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
1865 (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
1866 * c.opt (-std=c1x, -std=gnu1x): New options.
1867 * doc/cpp.texi: Mention -std=c1x.
1868 * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
1869 * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
1870 * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
1871 * doc/standards.texi: Mention C1X.
1872 * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
1873 LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
1874 LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
1877 2010-04-25 Uros Bizjak <ubizjak@gmail.com>
1879 * config/i386/gmon-sol2.c (_mcleanup): Change format string
1880 placeholder from 0x%x to %#x.
1881 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1882 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1883 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1884 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1885 * config/i386/i386.c (ix86_target_string): Ditto.
1886 (output_pic_addr_const): Ditto.
1887 (print_operand): Ditto.
1889 2010-04-25 Paolo Bonzini <bonzini@gnu.org>
1891 * combine.c (find_split_point): Add third argument. Use it
1892 to find nested multiply-accumulate instructions. Adjust calls.
1893 (try_combine): Adjust call to find_split_point.
1895 2010-04-24 Gerald Pfeifer <gerald@pfeifer.com>
1897 * doc/contrib.texi (Contributors): Add Dodji Seketeli.
1899 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
1901 PR tree-optimization/41442
1902 * fold-const.c (merge_truthop_with_opposite_arm): New function.
1903 (fold_binary_loc): Call it.
1905 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
1907 * toplev.c (general_init): Set default for fdiagnostics-show-option.
1908 * opts.c (common_handle_option): Allow disabling it.
1909 * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
1911 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
1913 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
1914 between modes if both types are integral.
1916 2010-04-23 Richard Guenther <rguenther@suse.de>
1918 PR tree-optimization/43572
1919 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
1921 2010-04-23 Richard Guenther <rguenther@suse.de>
1924 * tree-inline.c (tree_can_inline_p): Also check compatibility
1927 2010-04-23 Martin Jambor <mjambor@suse.cz>
1929 PR tree-optimization/43846
1930 * tree-sra.c (struct access): New flag grp_assignment_read.
1931 (build_accesses_from_assign): Set grp_assignment_read.
1932 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
1933 (enum mark_read_status): New type.
1934 (analyze_access_subtree): Propagate grp_assignment_read, create
1935 accesses also if both direct_read and root->grp_assignment_read.
1937 2010-04-23 Martin Jambor <mjambor@suse.cz>
1940 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
1941 function does not have type attributes.
1943 2010-04-23 Richard Guenther <rguenther@suse.de>
1946 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
1949 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1951 * sese.h (create_if_region_on_edge): Remove.
1953 * sese.c (create_if_region_on_edge): Make static.
1955 * tree-inline.c: Do not include ggc.h.
1957 * expr.c: Do not include ggc.h.
1959 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
1962 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
1965 * config/sh/sh.c (find_barrier): Don't emit a constant pool
1966 in the middle of insns for casesi_worker_2.
1968 2010-04-22 David Edelsohn <edelsohn@gnu.org>
1970 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
1972 2010-04-22 Ira Rosen <irar@il.ibm.com>
1974 PR tree-optimization/43842
1975 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
1976 loop unrolling in update of exit phis. Fix comment.
1977 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
1978 least two reduction statements in the loop before starting SLP
1981 2010-04-22 Nick Clifton <nickc@redhat.com>
1983 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
1985 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
1987 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
1990 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1992 * tree-parloops.c (loop_parallel_p): New argument
1993 parloop_obstack. Pass it down.
1994 (parallelize_loops): New variable parloop_obstack. Initialize it,
1995 pass it down, free it.
1997 * tree-loop-linear.c (linear_transform_loops): Pass down
2000 * tree-data-ref.h (lambda_compute_access_matrices): New argument
2001 of type struct obstack *.
2003 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
2004 scratch_obstack. Initialize it, pass down, free it.
2006 * lambda.h (lambda_loop_new): Remove.
2007 (lambda_matrix_new, lambda_matrix_inverse)
2008 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
2009 argument of type struct obstack *.
2011 * lambda-trans.c (lambda_trans_matrix_new): New argument
2012 lambda_obstack. Pass it down, use obstack allocation for ret.
2013 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
2016 * lambda-mat.c (lambda_matrix_get_column)
2017 (lambda_matrix_project_to_null): Remove.
2018 (lambda_matrix_new): New argument lambda_obstack. Use obstack
2020 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
2023 * lambda-code.c (lambda_loop_new): New function.
2024 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
2025 (lambda_compute_auxillary_space, lambda_compute_target_space)
2026 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
2027 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
2028 (build_access_matrix): New argument lambda_obstack. Use obstack
2030 (lambda_compute_step_signs, lambda_compute_access_matrices): New
2031 argument lambda_obstack. Pass it down.
2033 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
2035 * optabs.h (expand_widening_mult): Declare.
2037 2010-04-22 Richard Guenther <rguenther@suse.de>
2039 PR tree-optimization/43845
2040 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
2041 lookup the CALL_EXPR function and arguments.
2043 2010-04-22 Nick Clifton <nickc@redhat.com>
2045 * config/stormy16/stormy16.c
2046 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
2047 * config/stormy16/stormy16.h: Tidy up formatting.
2048 (DONT_USE_BUILTIN_SETJMP): Remove definition.
2049 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
2050 (ineqbranchsi): Delete pattern.
2051 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
2052 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
2053 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
2054 stormy16-lib2-ucmpsi2.c.
2056 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
2058 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
2059 df_simulate_find_noclobber_defs as appropriate. Keep track of an
2060 extra set merge_set_noclobber, and use it to relax the final test
2062 * df.h (df_simulate_find_noclobber_defs): Declare.
2063 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
2065 (df_simulate_find_noclobber_defs): New function.
2067 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
2069 * config/i386/i386.md: Use {} around multi-line preparation statements.
2071 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2073 * c-tree.h (push_init_level, pop_init_level, set_init_index)
2074 (process_init_element): New argument of type struct obstack *.
2076 * c-typeck.c (push_init_level, pop_init_level, set_designator)
2077 (set_init_index, set_init_label, set_nonincremental_init)
2078 (set_nonincremental_init_from_string, find_init_member)
2079 (output_init_element, output_pending_init_elements)
2080 (process_init_element): New argument braced_init_obstack. Pass it
2082 (push_range_stack, add_pending_init): New argument
2083 braced_init_obstack. Use obstack allocation.
2085 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
2086 braced_init_obstack. Pass it down.
2087 (c_parser_braced_init): New variables ret, braced_init_obstack.
2088 Initialize obstack, pass it down and finally free it.
2090 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
2093 * tree-pass.h (pass_optimize_widening_mul): Declare.
2094 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
2095 gate_optimize_widening_mul): New static functions.
2096 (pass_optimize_widening_mul): New.
2097 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
2098 <case MULT_EXPR>: Remove support for widening multiplies.
2099 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
2100 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
2101 simplify_gen_unary rather than directly building extensions.
2102 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
2104 * expmed.c (expand_widening_mult): New function.
2105 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
2107 2010-04-21 Jan Hubicka <jh@suse.cz>
2109 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
2110 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
2111 * lto-wpa-fixup.c: Remove.
2112 * Makefile.in (lto-wpa-fixup.o): Remove.
2113 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
2114 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
2115 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
2117 2010-04-21 Jan Hubicka <jh@suse.cz>
2119 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
2120 add write_optimization_summary, read_optimization_summary.
2121 (ipa_write_summaries_of_cgraph_node_set): Remove.
2122 (ipa_write_optimization_summaries): Declare.
2123 (ipa_read_optimization_summaries): Declare.
2124 * ipa-cp.c (pass_ipa_cp): Update.
2125 * ipa-reference.c (pass_ipa_reference): Update.
2126 * ipa-pure-const.c (pass_ipa_pure_const): Update.
2127 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
2129 * ipa-inline.c (pass_ipa_inline): Update.
2130 * ipa.c (pass_ipa_whole_program): Update.
2131 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
2132 * passes.c (ipa_write_summaries_1): Do not test wpa.
2133 (ipa_write_optimization_summaries_1): New.
2134 (ipa_write_optimization_summaries): New.
2135 (ipa_read_summaries): Do not test ltrans.
2136 (ipa_read_optimization_summaries_1): New.
2137 (ipa_read_optimization_summaries): New.
2139 2010-04-21 Jan Hubicka <jh@suse.cz>
2141 * lto-cgraph.c (lto_output_node): Do not output comdat groups
2143 (output_cgraph): Do not arrange comdat groups for boundary nodes.
2145 2010-04-21 Jakub Jelinek <jakub@redhat.com>
2148 * dwarf2out.c (add_name_and_src_coords_attributes): Add
2149 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
2151 2010-04-21 Jan Hubicka <jh@suse.cz>
2153 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
2155 2010-04-21 Jan Hubicka <jh@suse.cz>
2157 * varpool.c (decide_is_variable_needed): Variable is always needed
2160 2010-04-21 Jan Hubicka <jh@suse.cz>
2162 * opts.c (decode_options): Enable pure-const pass for whopr.
2164 2010-04-21 Jan Hubicka <jh@suse.cz>
2166 * cgraph.c (dump_cgraph_node): Dump also assembler name.
2167 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
2169 (cgraph_decide_inlining): Do not expect callee to be removed in all
2172 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
2174 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
2176 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
2178 * config/i386/i386.md (x86_shrd): Add athlon_decode and
2179 amdfam10_decode attributes.
2181 2010-04-21 Jakub Jelinek <jakub@redhat.com>
2184 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
2185 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
2186 (lower_copyprivate_clauses): Use private var in outer
2187 context instead of original var. Make sure the types
2188 are correct for VLAs.
2190 2010-04-21 Richard Guenther <rguenther@suse.de>
2192 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
2193 to non-pointer objects.
2195 2010-04-21 Jakub Jelinek <jakub@redhat.com>
2197 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
2198 last chain entry if it starts with the still current label.
2199 (add_location_or_const_value_attribute): Check that
2200 loc_list->first->next is NULL instead of comparing ->first with ->last.
2201 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
2202 to add_var_loc_to_decl.
2204 * dwarf2out.c (output_call_frame_info): For dw_cie_version
2205 >= 4 add also address size and segment size fields into CIE header.
2207 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
2208 long as address size is the same as sizeof (void *) and
2210 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
2211 address size or segment size is unexpected, return DW_EH_PE_omit.
2212 (classify_object_over_fdes): If get_cie_encoding returned
2213 DW_EH_PE_omit, return -1.
2214 (init_object): If classify_object_over_fdes returned -1,
2215 pretend there were no FDEs at all.
2217 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
2219 * config/i386/i386.md (bswap<mode>2): Macroize expander from
2220 bswap{si,di}2 using SWI48 mode iterator.
2221 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
2222 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
2223 set modrm attribute of bswap insn to 0 and remove length attribute.
2224 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
2225 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
2226 set mode attribute to <MODE> and remove length attribute.
2228 2010-04-20 James E. Wilson <wilson@codesourcery.com>
2230 PR rtl-optimization/43520
2231 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
2232 zero available registers.
2234 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2236 * builtins.c (fold_builtin_cproj): Fold more cases.
2238 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2240 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
2241 (fold_builtin_1): Fold builtin cproj.
2242 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
2243 Use ATTR_CONST_NOTHROW_LIST.
2245 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
2247 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
2248 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
2249 ffsi2_no_cmove for !TARGET_CMOVE.
2250 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
2251 (ffssi2): Remove expander.
2252 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
2254 (ctz<mode>2): Ditto from ctz{si,di}2.
2255 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
2257 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
2260 2010-04-20 Jakub Jelinek <jakub@redhat.com>
2262 * dwarf2out.c (AT_linkage_name): Define.
2263 (clone_as_declaration): Handle DW_AT_linkage_name.
2264 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
2265 of DW_AT_MIPS_linkage_name.
2266 (move_linkage_attr): Likewise.
2267 (dwarf2out_finish): Likewise.
2269 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
2272 * fold-const.c (fold_comparison): New folding rule.
2274 2010-04-20 Anatoly Sokolov <aesok@post.ru>
2276 * double-int.h (double_int_setbit): Declare.
2277 * double-int.c (double_int_setbit): New function.
2278 * rtl.h (immed_double_int_const): Declare.
2279 * emit-rtl.c (immed_double_int_const): New function.
2280 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
2281 and immed_double_int_const functions.
2282 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
2283 expand_copysign_bit): (Ditto.).
2284 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
2285 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
2286 * dojump.c (prefer_and_bit_test): (Ditto.).
2287 * expr.c (convert_modes, reduce_to_bit_field_precision,
2288 const_vector_from_tree): (Ditto.).
2289 * expmed.c (mask_rtx, lshift_value): (Ditto.).
2291 2010-04-20 Jan Hubicka <jh@suse.cz>
2293 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
2294 (dump_cgraph_node): Dump new flags.
2295 * cgraph.h (struct cgraph_node): Add flags
2296 reachable_from_other_partition and in_other_partition.
2297 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
2298 other partition can not be removed.
2299 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
2300 the other partition must be output; silence sanity checking on
2301 leaking functions bodies from other paritition.
2302 * lto-cgraph.c (reachable_from_other_partition_p): New function.
2303 (lto_output_node): Output new flags; do not sanity check that inline
2304 clones are output; drop lto_forced_extern_inline_p code; do not mock
2305 visibility flags at partition boundaries.
2306 (add_node_to): New function.
2307 (output_cgraph): Use it to sort functions so masters appear before
2309 (input_overwrite_node): Input new flags.
2310 * passes.c (ipa_write_summaries): Do not call
2311 lto_new_extern_inline_states.
2312 * lto-section-out.c (forced_extern_inline,
2313 lto_new_extern_inline_states lto_delete_extern_inline_states,
2314 lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
2315 * lto-streamer.h (lto_new_extern_inline_states,
2316 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
2317 lto_forced_extern_inline_p): Kill.
2319 2010-04-20 Richard Guenther <rguenther@suse.de>
2321 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
2322 from vars that can have pointers.
2323 (process_constraint): Dump useless constraints.
2325 2010-04-20 Richard Guenther <rguenther@suse.de>
2327 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
2328 (dump_sa_points_to_info): Remove asserts.
2329 (init_base_vars): nothing_id isn't an escape point nor does it
2332 2010-04-20 Jakub Jelinek <jakub@redhat.com>
2334 * tree.h (TYPE_REF_IS_RVALUE): Define.
2335 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
2336 should_move_die_to_comdat, prune_unused_types_walk): Handle
2337 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
2338 (modified_type_die, gen_reference_type_die): Emit
2339 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
2340 if TYPE_REF_IS_RVALUE and -gdwarf-4.
2342 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2345 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
2346 calls for -fpic -m31 if they have been sibcall optimized.
2348 2010-04-19 James E. Wilson <wilson@codesourcery.com>
2350 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
2351 ar.lc fixed and call-used.
2353 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
2355 2010-04-19 Jan Hubicka <jh@suse.cz>
2357 * opts.c (decode_options): Disable whpr incompatible passes.
2358 * lto/lto.c (lto_1_to_1_map): Skip clones.
2359 (read_cgraph_and_symbols): Do not mark everything as needed.
2360 (do_whole_program_analysis): Do map only after optimizing;
2361 set proper cgraph_state; use passmanager.
2363 2010-04-19 DJ Delorie <dj@redhat.com>
2365 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
2366 POINTER_PLUS_EXPR and fix them.
2368 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
2370 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
2371 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
2372 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
2373 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
2374 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
2375 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
2376 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
2377 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
2378 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
2379 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
2380 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
2382 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
2384 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
2385 (check_cond_move_block): Likewise.
2386 (cond_move_process_if_block): Likewise.
2387 (noce_find_if_block): Improve formatting.
2388 (find_if_header): Pass 0 to memset and tweak conditions.
2389 (cond_exec_find_if_block): Fix long lines and tweak conditions.
2391 2010-04-19 Jakub Jelinek <jakub@redhat.com>
2393 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
2397 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
2398 with non-local decl doesn't need chain.
2400 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
2402 * ira-color.c (allocno_reload_assign): Avoid accumulating
2403 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
2405 2010-04-19 Martin Jambor <mjambor@suse.cz>
2407 * gimple.h (create_tmp_reg): Declare.
2408 * gimplify.c (create_tmp_reg): New function.
2409 (gimplify_return_expr): Use create_tmp_reg.
2410 (gimplify_omp_atomic): Likewise.
2411 (gimple_regimplify_operands): Likewise.
2412 * tree-dfa.c (make_rename_temp): Likewise.
2413 * tree-predcom.c (predcom_tmp_var): Likewise.
2414 (reassociate_to_the_same_stmt): Likewise.
2415 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
2416 (get_replaced_param_substitute): Likewise.
2417 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
2418 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
2419 * tree-ssa-pre.c (get_representative_for): Likewise.
2420 (create_expression_by_pieces): Likewise.
2421 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
2422 (create_tailcall_accumulator): Likewise.
2424 2010-04-19 Martin Jambor <mjambor@suse.cz>
2426 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
2428 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
2430 2010-04-19 Richard Guenther <rguenther@suse.de>
2432 PR tree-optimization/43796
2433 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
2434 from SCEV in the lattice.
2435 (vrp_visit_phi_node): Dump change.
2437 2010-04-19 Richard Guenther <rguenther@suse.de>
2439 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
2440 * configure: Re-generated.
2442 2010-04-19 Richard Guenther <rguenther@suse.de>
2444 PR tree-optimization/43783
2445 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
2446 constant ARRAY_REF operands two and three if possible.
2448 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
2451 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
2453 2010-04-19 Jie Zhang <jie@codesourcery.com>
2456 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
2458 2010-04-19 Ira Rosen <irar@il.ibm.com>
2460 PR tree-optimization/37027
2461 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
2462 and macro to access it.
2463 (vectorizable_reduction): Add argument.
2464 (vect_get_slp_defs): Likewise.
2465 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
2466 statements for possible use in SLP.
2467 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
2468 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
2469 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
2471 (vectorizable_reduction): Likewise.
2472 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
2474 (vectorizable_type_demotion, vectorizable_type_promotion,
2475 vectorizable_store): Likewise.
2476 (vect_analyze_stmt): Update call to vectorizable_reduction.
2477 (vect_transform_stmt): Likewise.
2478 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
2479 (vect_build_slp_tree): Fix indentation. Check that there are no loads
2480 from different interleaving chains in same node.
2481 (vect_slp_rearrange_stmts): New function.
2482 (vect_supported_load_permutation_p): Allow load permutations for
2483 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
2484 inside SLP nodes if necessary.
2485 (vect_analyze_slp_instance): Handle reductions.
2486 (vect_analyze_slp): Try to build SLP instances originating from groups
2488 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
2489 (vect_get_constant_vectors): Create initial vectors for reductions
2490 according to reduction code. Add new argument.
2491 (vect_get_slp_defs): Add new argument, pass it to
2492 vect_get_constant_vectors.
2493 (vect_schedule_slp_instance): Remove SLP tree root statements.
2495 2010-04-19 Jakub Jelinek <jakub@redhat.com>
2497 * tree.h (ENUM_IS_SCOPED): Define.
2498 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
2499 for ENUM_IS_SCOPED enums.
2501 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
2503 * fold-const.c (fold_comparison): Use ssizetype.
2504 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
2505 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
2506 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
2507 * tree-object-size.c (compute_object_sizes): Use size_type_node.
2509 * tree.h (initialize_sizetypes): Remove parameter.
2510 (build_common_tree_nodes): Remove second parameter.
2511 * stor-layout.c (initialize_sizetypes): Remove parameter.
2512 Always create an unsigned type.
2513 (set_sizetype): Assert that the passed type is unsigned and simplify.
2514 * tree.c (build_common_tree_nodes): Remove second parameter.
2515 Adjust call to initialize_sizetypes.
2516 * c-decl.c (c_init_decl_processing): Remove second argument in call to
2517 build_common_tree_nodes.
2519 2010-04-18 Matthias Klose <doko@ubuntu.com>
2521 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
2523 2010-04-18 Ira Rosen <irar@il.ibm.com>
2525 PR tree-optimization/43771
2526 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
2527 load permutation doesn't have gaps.
2529 2010-04-18 Jan Hubicka <jh@suse.cz>
2531 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
2532 (sse_prologue_save_insn expander): Use new pattern.
2533 (sse_prologue_save_insn1): New pattern and splitter.
2534 (sse_prologue_save_insn): Update to deal also with 64bit aligned
2536 * i386.c (setup_incoming_varargs_64): Do not compute jump
2538 (ix86_gimplify_va_arg): Update alignment needed.
2539 (ix86_local_alignment): Do not align all local arrays to 128bit.
2541 2010-04-17 Jan Hubicka <jh@suse.cz>
2543 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
2545 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
2547 * arm.md (negdi2): Remove redundant code to force values into a
2550 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
2552 * arm/bpabi.S: Add EABI alignment attributes to objects.
2553 * arm/bpabi-v6m.S: Likewise.
2554 * arm/crti.asm: Likewise.
2555 * arm/crtn.asm: Likewise.
2556 * arm/lib1funcs.asm: Likewise.
2557 * arm/libunwind.S: Likewise.
2559 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
2561 * arm-protos.h (tune_params): New structure.
2562 * arm.c (current_tune): New variable.
2563 (arm_constant_limit): Delete.
2564 (struct processors): Add pointer to the tune parameters.
2565 (arm_slowmul_tune): New tuning option.
2566 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
2567 (all_cores): Adjust to pick up the tuning model.
2568 (arm_constant_limit): New function.
2569 (arm_override_options): Select the appropriate tuning model. Delete
2570 initialization of arm_const_limit.
2571 (arm_split_constant): Use the new constant-limit model.
2572 (arm_rtx_costs): Pick up the current tuning model.
2573 * arm.md (is_strongarm, is_xscale): Delete.
2574 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
2575 for Xscale variant architectures.
2576 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
2578 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2580 * config/arm/arm.c (arm_gen_constant): Remove unused variable
2582 (arm_rtx_costs_1): Remove unused variable extra_cost.
2583 (arm_unwind_emit_set): Use variable offset.
2584 (thumb1_output_casesi): Remove unused variable flags.
2586 2010-04-16 Jeff Law <law@redhat.com>
2588 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
2589 needing assignment rather than doing a two-phase assignment. Remove
2590 unused variable 'm'.
2592 2010-04-16 Jakub Jelinek <jakub@redhat.com>
2595 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
2597 2010-04-16 Doug Kwan <dougkwan@google.com>
2599 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
2600 (next_operand_entry_id): New static variable.
2601 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
2602 (add_to_ops_vec): Assigned unique ID to operand entry.
2603 (struct oecount_s): New field ID.
2604 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
2605 (undistribute_ops_list): Assign unique IDs to oecounts.
2606 (init_reassoc): reset next_operand_entry_id.
2608 2010-04-16 Doug Kwan <dougkwan@google.com>
2610 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
2611 missing left parenthesis.
2613 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
2615 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
2616 *btdi_rex64 using SWI48 mode iterator.
2617 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
2618 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
2619 *jcc_btdi_mask_rex64.
2621 2010-04-16 Anatoly Sokolov <aesok@post.ru>
2623 * double-int.h (tree_to_double_int): Convert to macro.
2624 * double-int.c (tree_to_double_int): Remove.
2626 2010-04-16 Jakub Jelinek <jakub@redhat.com>
2629 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
2630 with want_address 2 and in case a single element list might be
2631 possible, call it again with want_address 0.
2633 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
2635 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
2636 case 'W' print operands for HI mode.
2637 * config/h8300/h8300.h (Y0, Y2) : New constraints.
2638 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
2639 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
2640 * config/h8300/predicate.md (bit_register_indirect_operand): New.
2642 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
2644 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
2645 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
2646 #xx:3 and #xx:4 mode.
2648 * config/h8300/h8300.md (inverted load with HImode dest): Add
2649 support for H8300SX.
2651 * config/h8300/predicate.md (bit_operand): Allow immediate values that
2652 satisfy 'U' constraint.
2654 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2656 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
2657 * configure: Regenerate.
2658 * config.in: Regenerate.
2659 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
2662 2010-04-16 Richard Guenther <rguenther@suse.de>
2664 * tree.h (struct tree_decl_minimal): Move pt_uid ...
2665 (struct tree_decl_common): ... here.
2666 (DECL_PT_UID): Adjust.
2667 (SET_DECL_PT_UID): Likewise.
2668 (DECL_PT_UID_SET_P): Likewise.
2670 2010-04-16 Richard Guenther <rguenther@suse.de>
2672 PR tree-optimization/43572
2673 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
2674 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
2675 * tree-flow.h (is_call_clobbered): Remove.
2676 * tree-flow-inline.h (is_call_clobbered): Likewise.
2677 * tree-dfa.c (dump_variable): Do not dump call clobber state.
2678 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
2679 (execute_return_slot_opt): Adjust.
2680 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
2681 check for call clobbered vars here.
2682 (find_tail_calls): Move tailcall verification to the
2685 2010-04-16 Diego Novillo <dnovillo@google.com>
2687 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
2689 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
2692 * config/arm/arm.md (cbranchqi4): New pattern.
2693 * config/arm/predicates.md (const0_operand,
2694 cbranchqi4_comparison_operator): New predicates.
2696 2010-04-16 Richard Guenther <rguenther@suse.de>
2698 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
2699 (dump_gimple_stmt): Likewise.
2701 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
2703 * recog.h (struct recog_data): New field is_operator.
2704 (struct insn_operand_data): New field is_operator.
2705 * recog.c (extract_insn): Set recog_data.is_operator.
2706 * genoutput.c (output_operand_data): Emit code to set the
2708 * reload.c (find_reloads): Use it rather than testing for an
2709 empty constraint string.
2712 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
2713 If the previous insn is a cbranchsi4_insn with the same arguments,
2714 omit the compare instruction.
2716 * config/arm/arm.md (addsi3_cbranch): If destination is a high
2717 register, inputs must be low registers and we need a low register
2718 scratch. Handle alternative 2 like alternative 3.
2720 2010-04-16 Jakub Jelinek <jakub@redhat.com>
2722 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
2723 don't call get_addr on both. If one expression is a VALUE and
2724 the other a REG, check VALUE's locs if the REG isn't among them.
2726 2010-04-16 Christian Bruel <christian.bruel@st.com>
2728 * config/sh/sh.h (sh_frame_pointer_required): New function.
2729 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
2730 (flag_omit_frame_pointer) Set.
2731 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
2732 (rounded_frame_size): Adjust size with outgoing_args_size.
2733 (sh_set_return_address): Must return from stack pointer.
2734 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
2735 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
2736 (ACCUMULATE_OUTGOING_ARGS): Define.
2737 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
2738 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
2740 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
2743 * config/sh/sh.c (sh_legitimize_reload_address): Use
2744 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
2745 Remove a unneeded check for offset_base.
2747 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
2749 * configure: Regenerated.
2751 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2753 * config/s390/s390.c (s390_call_save_register_used): Switch back
2754 to HARD_REGNO_NREGS.
2756 2010-04-15 Richard Guenther <rguenther@suse.de>
2758 * alias.c (alias_set_subset_of): Handle alias-set zero
2761 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
2762 Julian Brown <julian@codesourcery.com>
2764 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
2765 alternatives according to use of high and low regs.
2766 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
2767 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
2768 optimizing for size on Thumb-2.
2770 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
2772 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
2774 2010-04-15 Richard Guenther <rguenther@suse.de>
2776 * tree-ssa-structalias.c (struct variable_info): Add
2778 (new_var_info): Initialize it.
2779 (dump_constraints): Support printing last added constraints.
2780 (debug_constraints): Adjust.
2781 (dump_constraint_graph): Likewise.
2782 (make_heapvar_for): Check for NULL cfun.
2783 (get_function_part_constraint): New function.
2784 (get_fi_for_callee): Likewise.
2785 (find_func_aliases): Properly implement IPA PTA constraints.
2786 (process_ipa_clobber): New function.
2787 (find_func_clobbers): Likewise.
2788 (insert_into_field_list_sorted): Remove.
2789 (create_function_info_for): Properly allocate vars for IPA mode.
2790 Do not use insert_into_field_list_sorted.
2791 (create_variable_info_for): Properly generate constraints for
2792 global vars in IPA mode.
2793 (dump_solution_for_var): Always dump the solution.
2794 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
2795 (find_what_var_points_to): Adjust.
2796 (pt_solution_set): Change.
2797 (pt_solution_ior_into): New function.
2798 (pt_solution_empty_p): Export.
2799 (pt_solution_includes_global): Adjust.
2800 (pt_solution_includes_1): Likewise.
2801 (pt_solutions_intersect_1): Likewise.
2802 (dump_sa_points_to_info): Check some invariants.
2803 (solve_constraints): Move constraint dumping ...
2804 (compute_points_to_sets): ... here.
2805 (ipa_pta_execute): ... and here.
2806 (compute_may_aliases): Do not re-compute points-to info
2807 locally if IPA info is available.
2808 (ipa_escaped_pt): New global var.
2809 (ipa_pta_execute): Properly implement IPA PTA.
2810 * tree-into-ssa.c (dump_decl_set): Support dumping
2811 decls not in referenced-vars.
2812 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
2813 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
2814 (dump_points_to_solution): Likewise.
2815 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
2816 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
2817 (remap_gimple_stmt): Reset call clobber/use information if necessary.
2818 (copy_decl_to_var): Copy DECL_PT_UID.
2819 (copy_result_decl_to_var): Likewise.
2820 * tree.c (make_node_stat): Initialize DECL_PT_UID.
2821 (copy_node_stat): Copy it.
2822 * tree.h (DECL_PT_UID): New macro.
2823 (SET_DECL_PT_UID): Likewise.
2824 (DECL_PT_UID_SET_P): Likewise.
2825 (struct tree_decl_minimal): Add pt_uid member.
2826 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
2827 (pt_solution_empty_p): Declare.
2828 (pt_solution_set): Adjust.
2829 (ipa_escaped_pt): Declare.
2830 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
2831 * gimple-pretty-print.c (pp_points_to_solution): New function.
2832 (dump_gimple_call): Dump call clobber/use information.
2833 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
2834 * tree-pass.h (TDF_ALIAS): New dump option.
2835 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
2836 * doc/invoke.texi (-fipa-pta): Update documentation.
2838 2010-04-15 Richard Guenther <rguenther@suse.de>
2840 * Makefile.in (OBJS-common): Add gimple-fold.o.
2841 (gimple-fold.o): New rule.
2842 * tree.h (maybe_fold_offset_to_reference,
2843 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
2845 * gimple.h: ... here.
2846 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
2847 may_propagate_address_into_dereference): Move prototypes ...
2848 * gimple.h: ... here.
2849 * tree-ssa-ccp.c (get_symbol_constant_value,
2850 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
2851 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
2852 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
2853 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
2854 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
2855 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
2856 gimplify_and_update_call_from_tree): Move ...
2857 * gimple-fold.c: ... here. New file.
2858 (ccp_fold_builtin): Rename to ...
2859 (gimple_fold_builtin): ... this.
2860 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
2862 2010-04-15 Richard Guenther <rguenther@suse.de>
2864 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
2865 fit_double_type, force_fit_type_double, add_double_with_sign,
2866 neg_double, mul_double_with_sign, lshift_double, rshift_double,
2867 lrotate_double, rrotate_double, div_and_round_double): Move ...
2868 * double-int.c: ... here.
2869 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
2870 add_double, neg_double, mul_double_with_sign, mul_double,
2871 lshift_double, rshift_double, lrotate_double, rrotate_double,
2872 div_and_round_double): Move prototypes ...
2873 * double-int.h: ... here.
2875 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
2878 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
2879 matching constraints to ensure inputs match the output.
2881 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
2884 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
2885 in an input-only operand.
2887 2010-04-15 Anatoly Sokolov <aesok@post.ru>
2889 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
2890 (double_int_not, double_int_lshift, double_int_rshift): Declare.
2891 (double_int_negative_p): Convert to static inline function.
2892 * double-int.c (double_int_lshift, double_int_lshift): New functions.
2893 (double_int_negative_p): Remove.
2894 * tree.h (lshift_double, rshift_double):
2895 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
2896 * fold-const.c (fold_convert_const_int_from_real,
2897 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
2898 (lshift_double): Change type of arith argument to bool.
2899 (rshift_double): Change type of arith argument to bool. Correct
2901 * expmed.c (mask_rtx, lshift_value): (Ditto.).
2903 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
2906 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
2907 at the start and end of the then/else blocks, and omit them from the
2909 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
2910 argument; all callers changed. Pass zero to old_insns_match_p instead.
2911 (flow_find_head_matching_sequence): New function.
2912 (old_insns_match_p): Check REG_EH_REGION notes for calls.
2913 * basic-block.h (flow_find_cross_jump,
2914 flow_find_head_matching_sequence): Declare functions.
2916 2010-04-14 Jason Merrill <jason@redhat.com>
2919 * c-common.c (attribute_takes_identifier_p): New fn.
2920 * c-common.h: Declare it.
2922 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2924 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
2926 (*udivmod<mode>4): Ditto.
2928 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2930 * config/i386/i386.md (maxmin_int): Rename code attribute from
2931 maxminiprefix and update all users.
2932 (maxmin_float): Ditto from maxminfprefix.
2933 (logic): Ditto from logicprefix.
2934 (absneg_mnemonic): Ditto from absnegprefix.
2935 * config/i386/mmx.md: Update all users of maxminiprefix,
2936 maxminfprefix and logicprefix for rename.
2937 * config/i386/sse.md: Ditto.
2938 * config/i386/sync.md (sync_<code><mode>): Update for
2941 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
2944 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
2945 warnings converted to errors.
2947 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2949 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
2950 used insn_type variable.
2951 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
2952 to avoid set-but-not-used warning.
2954 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2956 * df-core.c (df_ref_debug): Change format string placeholder
2958 * dwarf2asm.c (dw2_asm_output_data_raw,
2959 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
2960 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
2961 * dwarf2out.c (output_cfi, output_cfi_directive,
2962 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
2963 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
2965 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
2966 * print-rtl.c (print_rtx): Ditto.
2968 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
2971 * builtins.c (expand_builtin_pow_root): New function to expand pow
2972 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
2973 series of sqrt and cbrt calls under -ffast-math.
2974 (expand_builtin_pow): Call it.
2976 2010-04-14 Michael Matz <matz@suse.de>
2978 PR tree-optimization/42963
2979 * tree-cfg.c (touched_switch_bbs): New static variable.
2980 (group_case_labels_stmt): New function broken out from ...
2981 (group_case_labels): ... here, use the above.
2982 (start_recording_case_labels): Allocate touched_switch_bbs.
2983 (end_recording_case_labels): Deallocate it, call
2984 group_case_labels_stmt.
2985 (gimple_redirect_edge_and_branch): Remember index of affected BB.
2987 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2989 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
2992 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2994 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
2996 2010-04-13 Jan Hubicka <jh@suse.cz>
2998 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
2999 of optimized out static functions.
3000 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
3001 cost computation. Also sanity check for overflows.
3002 (update_caller_keys): Update cgraph_edge_badness call; properly
3003 update fibheap and sanity check that it is up to date.
3004 (add_new_edges_to_heap): Update cgraph_edge_badness.
3005 (cgraph_decide_inlining_of_small_function): Likewise;
3006 add sanity checking that badness in heap is up to date;
3007 improve dumping of reason; Update badness of calls to the
3008 offline copy of function currently inlined; dump badness
3009 of functions not inlined because of unit growth limits.
3011 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
3014 * c-common.c (pointer_int_sum): Disregard overflow that occured only
3015 because of sign-extension change when converting to sizetype here...
3016 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
3018 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
3019 the folding to constants. Remove redundant final conversion.
3020 (fold_binary) <associate>: Do not associate if the re-association of
3021 constants alone overflows.
3022 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
3023 to the end of the list.
3024 (multiple_of_p) <COND_EXPR>: New case.
3026 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
3028 * opt-functions.awk (opt_sanitized_name): New.
3030 * optc-gen.awk: Use it
3031 * opth-gen.awk: Use it.
3033 2010-04-13 Martin Jambor <mjambor@suse.cz>
3035 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
3036 (sra_modify_assign): Delete stmts loading dead data even if racc has no
3037 children. Call replace_uses_with_default_def_ssa_name to handle
3040 2010-04-13 Michael Matz <matz@suse.de>
3043 * builtins.c (expand_builtin_interclass_mathfn): Also create
3044 a register if the predicate doesn't match.
3046 2010-04-13 Diego Novillo <dnovillo@google.com>
3048 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
3049 * c-pch.c: Include timevar.h.
3050 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
3051 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
3052 * ggc-common.c: Include timevar.h.
3053 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
3054 * timevar.def (TV_PCH_SAVE): Define.
3055 (TV_PCH_CPP_SAVE): Define.
3056 (TV_PCH_PTR_REALLOC): Define.
3057 (TV_PCH_PTR_SORT): Define.
3058 (TV_PCH_RESTORE): Define.
3059 (TV_PCH_CPP_RESTORE): Define.
3061 2010-04-13 Michael Matz <matz@suse.de>
3063 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
3065 (can_reassociate_p): New function.
3066 (break_up_subtract_bb, reassociate_bb): Use it.
3068 2010-04-13 Richard Guenther <rguenther@suse.de>
3071 * builtins.c (c_readstr): Fix assert.
3073 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
3075 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
3076 when generating cltd insn.
3078 (*ashl<mode>3_1): Remove special handling for register operand 2.
3079 (*ashlsi3_1_zext): Ditto.
3080 (*ashlhi3_1): Ditto.
3081 (*ashlhi3_1_lea): Ditto.
3082 (*ashlqi3_1): Ditto.
3083 (*ashlqi3_1_lea): Ditto.
3084 (*<shiftrt_insn><mode>3_1): Ditto.
3085 (*<shiftrt_insn>si3_1_zext): Ditto.
3086 (*<shiftrt_insn>qi3_1_slp): Ditto.
3087 (*<rotate_insn><mode>3_1): Ditto.
3088 (*<rotate_insn>si3_1_zext): Ditto.
3089 (*<rotate_insn>qi3_1_slp): Ditto.
3091 2010-04-13 Richard Guenther <rguenther@suse.de>
3093 * tree-ssa-structalias.c (callused_id): Remove.
3094 (call_stmt_vars): New.
3095 (get_call_vi): Likewise.
3096 (lookup_call_use_vi): Likewise.
3097 (lookup_call_clobber_vi): Likewise.
3098 (get_call_use_vi): Likewise.
3099 (get_call_clobber_vi): Likewise.
3100 (make_transitive_closure_constraints): Likewise.
3101 (handle_const_call): Adjust to do per-call call-used handling.
3102 (handle_pure_call): Likewise.
3103 (find_what_var_points_to): Remove general callused handling.
3104 (init_base_vars): Likewise.
3105 (init_alias_vars): Initialize call_stmt_vars.
3106 (compute_points_to_sets): Process call-used and call-clobbered
3107 vars for call statements.
3108 (delete_points_to_sets): Free call_stmt_vars.
3110 2010-04-13 Richard Guenther <rguenther@suse.de>
3112 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
3113 Only add RW dependence for dependence distance zero.
3114 Adjust maximal vectorization factor according to dependences.
3115 Move alignment handling ...
3116 (vect_find_same_alignment_drs): ... here. New function.
3117 (vect_analyze_data_ref_dependences): Adjust.
3118 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
3119 (vect_analyze_data_refs): Adjust minimal vectorization factor
3120 according to data references.
3121 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
3122 dependences before determining the vectorization factor.
3123 Analyze alignment after determining the vectorization factor.
3124 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
3125 dependences before alignment.
3126 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
3128 (vect_analyze_data_refs): Likewise.
3129 (MAX_VECTORIZATION_FACTOR): New define.
3131 2010-04-13 Duncan Sands <baldrick@free.fr>
3133 * except.h (lang_eh_type_covers): Remove.
3134 * except.c (lang_eh_type_covers): Likewise.
3136 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3137 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3139 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
3140 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
3141 UNITS_PER_LONG where it is ABI relevant.
3142 (s390_return_addr_rtx): Likewise.
3143 (s390_back_chain_rtx): Likewise.
3144 (s390_frame_area): Likewise.
3145 (s390_frame_info): Likewise.
3146 (s390_initial_elimination_offset): Likewise.
3147 (save_gprs): Likewise.
3148 (s390_emit_prologue): Likewise.
3149 (s390_emit_epilogue): Likewise.
3150 (s390_function_arg_advance): Likewise.
3151 (s390_function_arg): Likewise.
3152 (s390_va_start): Likewise.
3153 (s390_gimplify_va_arg): Likewise.
3154 (s390_function_profiler): Likewise.
3155 (s390_optimize_prologue): Likewise.
3156 (s390_rtx_costs): Likewise.
3157 (s390_secondary_reload): Likewise.
3158 (s390_promote_function_mode): Likewise.
3159 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
3160 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
3161 registers available.
3162 (s390_unwind_word_mode): New function.
3163 (s390_function_value): Split 64 bit values into register pair if
3164 used as return value.
3165 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
3166 function call parameters. Handle parallels.
3167 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
3168 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
3169 (DWARF_CIE_DATA_ALIGNMENT): New macro.
3170 (s390_expand_setmem): Remove unused variable src_addr.
3171 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
3172 deal with 64 bit registers.
3173 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
3174 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
3175 (UNITS_PER_LONG): New macro.
3176 * libjava/include/s390-signal.h: Define extended ucontext
3177 structure containing the upper halfs of the 64 bit registers.
3179 2010-04-13 Simon Baldwin <simonb@google.com>
3181 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
3183 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
3185 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
3186 rvalue on the RHS if the LHS is of a non-renamable type.
3187 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
3189 2010-04-13 Matthias Klose <doko@ubuntu.com>
3191 * gcc.c (cc1_options): Handle -iplugindir before processing
3192 the cc1 spec. Only add -iplugindir once.
3193 (cpp_unique_options): Add -iplugindir option if -fplugin* options
3195 * common.opt (iplugindir): Remove `Separate' property, initialize.
3196 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
3198 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
3199 (distclean): Remove plugin dir.
3200 * doc/invoke.texi: Document -iplugindir.
3202 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
3204 * doc/plugins.texi (Loading Plugins): Document short
3205 -fplugin=foo option.
3206 (Plugin API): Mention default_plugin_dir_name function.
3208 * gcc.c (find_file_spec_function): Add new declaration.
3209 (static_spec_func): Use it for "find-file".
3210 (find_file_spec_function): Add new function.
3211 (cc1_options): Add -iplugindir option if -fplugin* options found.
3213 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
3215 * plugin.c (add_new_plugin): Updated comment, and handle short
3217 (default_plugin_dir_name): Added new function.
3219 * common.opt (iplugindir): New option to set the plugin directory.
3221 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
3223 * config/i386/i386.md (any_rotate): New code iterator.
3224 (rotate_insn): New code attribute.
3226 (SWIM124): New mode iterator.
3227 (<rotate_insn>ti3): New expander.
3228 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
3229 any_rotate code iterator.
3230 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
3231 using any_rotate code iterator and SWIM124 mode iterator.
3232 (ix86_rotlti3): New insn_and_split pattern.
3233 (ix86_rotrti3): Ditto.
3234 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
3235 ix86_rotl{di,ti}3 patterns.
3236 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
3237 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
3238 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
3239 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
3240 code iterator and SWI mode iterator.
3241 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
3242 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
3244 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
3245 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
3246 (bswap rotatert splitter): Add splitter.
3247 (bswap splitter): Macroize splitter using any_rotate code iterator.
3248 Add insn predicate to split only for TARGET_USE_XCHGB or when
3249 optimizing function for size.
3251 2010-04-12 Steve Ellcey <sje@cup.hp.com>
3253 * config/pa/pa.c (emit_move_sequence): Remove use of
3254 deleted variable flag_argument_noalias.
3256 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3258 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
3260 Add to unsupported targets list.
3261 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
3262 sparc*-sun-solaris2.[567]* from target lists.
3263 * configure: Regenerate.
3264 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
3266 Remove Solaris 7 patch references.
3267 (Specific, sparc-sun-solaris2.7): Removed.
3268 (sparc-sun-solaris2*): Update Solaris 7 example.
3269 (sparc64-*-solaris2*): Likewise.
3271 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3273 * config.build (alpha*-dec-osf4*): Remove.
3274 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
3275 of obsolete configurations.
3276 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
3278 * config/alpha/t-osf4: Renamed to ...
3279 * config/alpha/t-osf5: ... this.
3280 * config/alpha/osf.h: Renamed to ...
3281 * config/alpha/osf5.h: ... this.
3282 Merged old osf5.h contents.
3284 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
3285 (EXTRA_SPECS): Removed.
3286 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
3287 reflect removal of Tru64 UNIX V4.0/V5.0 support.
3290 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3292 * doc/contrib.texi (Contributors, Rainer Orth): Update.
3294 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
3297 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
3298 __thiscall convention.
3300 2010-04-12 Steve Ellcey <sje@cup.hp.com>
3302 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
3304 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
3306 2010-04-12 Steve Ellcey <sje@cup.hp.com>
3308 * function.c (assign_parms_initialize_all): Add unused attribute
3311 2010-04-12 Richard Guenther <rguenther@suse.de>
3313 * gsstruct.def (GSS_CALL): New.
3314 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
3315 * gimple.h: Include tree-ssa-alias.h.
3316 (struct gimple_statement_call): New.
3317 (union gimple_statement_struct_d): Add gimple_call member.
3318 (gimple_call_reset_alias_info): Declare.
3319 (gimple_call_use_set): New function.
3320 (gimple_call_clobber_set): Likewise.
3321 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
3322 * gimple.c (gimple_call_reset_alias_info): New function.
3323 (gimple_build_call_1): Call it.
3324 * lto-streamer-in.c (input_gimple_stmt): Likewise.
3325 * tree-inline.c (remap_gimple_stmt): Likewise.
3326 (expand_call_inline): Remove callused handling.
3327 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
3328 * tree-dfa.c (dump_variable): Likewise.
3329 * tree-parloops.c (parallelize_loops): Likewise.
3330 * tree-ssa.c (init_tree_ssa): Likewise.
3331 (delete_tree_ssa): Likewise.
3332 * tree-flow-inline.h (is_call_used): Remove.
3333 * tree-flow.h (struct gimple_df): Remove callused member.
3334 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
3335 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
3336 (ref_maybe_used_by_call_p_1): Simplify.
3337 (call_may_clobber_ref_p_1): Likewise.
3338 * tree-ssa-structalias.c (compute_points_to_sets): Set
3339 the call stmt used and clobbered sets.
3340 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
3341 (find_tail_calls): Verify the tail call.
3343 2010-04-12 Richard Guenther <rguenther@suse.de>
3345 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
3346 single-iteration always-inline inlining.
3347 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
3348 (cgraph_decide_inlining): Do not handle always-inline specially.
3349 (try_inline): Remove always-inline cycle detection special case.
3350 Do not recurse on always-inlines.
3351 (cgraph_early_inlining): Do not iterate if not optimizing.
3352 (cgraph_gate_early_inlining): remove.
3353 (pass_early_inline): Run unconditionally.
3354 (gate_cgraph_decide_inlining): New function.
3355 (pass_ipa_inline): Use it. Do not run the IPA inliner if
3356 not inlining or optimizing.
3357 (cgraph_decide_inlining_of_small_functions): Also consider
3358 always-inline functions.
3359 (cgraph_default_inline_p): Return true for nodes which should
3360 disregard inline limits.
3361 (estimate_function_body_sizes): Assume zero size and time for
3362 nodes which are marked as disregarding inline limits.
3363 (cgraph_decide_recursive_inlining): Do not perform recursive
3364 inlining on always-inline nodes.
3366 2010-04-12 Jakub Jelinek <jakub@redhat.com>
3369 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
3370 for exprs satisfying handled_component_p.
3372 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
3374 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
3375 non-constant aggregate elements.
3377 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
3378 is a real initialization.
3380 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
3383 * c-decl.c (start_function): Move forward check for nested function.
3385 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
3387 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
3388 * config/sh/sh.c: Include reload.h.
3389 (sh_legitimize_reload_address): New.
3390 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
3391 sh_legitimize_reload_address.
3393 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
3395 * config/sh/sh.md (*movqi_pop): New insn pattern.
3396 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
3398 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
3400 * config/i386/i386.md (any_shiftrt): New code iterator.
3401 (shiftrt_insn): New code attribute.
3403 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
3404 using any_shiftrt code iterator.
3405 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
3406 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
3407 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
3408 pattern from corresponding peephole2 patterns.
3409 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
3410 using any_shiftrt code iterator.
3411 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
3412 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
3413 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
3414 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
3415 *{ashr,lshr}<mode>3_cmp_zext.
3416 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
3418 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
3420 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
3422 (*lshr<mode>3_cconly): Ditto.
3424 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
3426 * config/i386/i386.md (lshr<mode>3): Macroize expander from
3427 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3428 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
3429 pattern from *lshr{di,ti}3_1 and corresponding splitters using
3431 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3432 from corresponding peephole2 patterns.
3433 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
3434 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
3435 and *lshrdi3_1_rex64 using SWI mode iterator.
3436 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
3437 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
3438 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
3439 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
3440 and *lshrdi3_cmp_rex64 using SWI mode iterator.
3441 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
3442 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
3443 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
3444 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
3447 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
3449 * config/i386/i386.md (ashr<mode>3): Macroize expander from
3450 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3451 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
3452 pattern from *ashr{di,ti}3_1 and corresponding splitters using
3454 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3455 from corresponding peephole2 patterns.
3456 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
3457 (ashrsi3_cvt): Rename from ashrsi3_31.
3458 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
3459 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
3460 and x86_64_shift_adj_3 using SWI48 mode iterator.
3461 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
3462 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
3463 and *ashrdi3_1_rex64 using SWI mode iterator.
3464 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
3465 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
3466 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
3467 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
3468 and *ashrdi3_cmp_rex64 using SWI mode iterator.
3469 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
3470 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
3471 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
3472 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
3474 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
3475 * config/i386/i386.c (ix86_split_ashr): Update for renamed
3476 x86_shift<mode>_adj_3 expanders.
3478 2010-04-10 Wei Guozhi <carrot@google.com>
3481 * config/arm/arm.c (arm_pic_static_addr): New function.
3482 (legitimize_pic_address): Call arm_pic_static_addr when it detects
3484 (arm_output_addr_const_extra): Output expression for new pattern.
3485 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
3487 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
3489 * ira-costs.c (record_reg_classes): Ignore alternatives that are
3492 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
3493 * web.c: Include "insn-config.h" and "recog.h".
3494 (union_match_dups): New function.
3495 (web_main): Call it.
3496 (union_defs): Don't try to recognize match_dups.
3498 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
3499 if doing so would replace the entire pattern.
3501 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
3505 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
3506 and splitter pattern. Change splitter operand 1 predicate to
3509 2010-04-09 Martin Jambor <mjambor@suse.cz>
3511 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
3512 lattices are addresses of CONST_DECLs with the same initial value.
3513 (ipcp_print_all_lattices): Print values of CONST_DECLs.
3514 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
3516 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
3517 Bernd Schmidt <bernds@codesourcery.com>
3519 * loop-invariant.c (replace_uses): New static function.
3520 (move_invariant_reg): Use it to ensure we can replace the uses.
3522 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
3524 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
3526 (picochip_override_options): Enable section anchors only above -O1.
3527 (picochip_reorg): Fixed a couple of build warnings.
3529 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3531 * configure.ac (plugin -rdynamic test): Log result.
3532 * configure: Regenerate.
3533 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
3534 (RDYNAMIC_SPEC): Define.
3535 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
3537 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3539 * configure.ac: Determine Sun ld version numbers.
3540 (comdat_group): Restrict GNU ld version checks to gld.
3541 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
3542 (enable_comdat): Support --enable-comdat.
3543 * configure: Regenerate.
3544 * doc/install.texi (Configuration): Document --enable-comdat.
3546 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3548 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
3549 * config/sol2-gld.h: ... here.
3550 * config.gcc (sparc*-*-solaris2*): Reflect this.
3551 (i[34567]86-*-solaris2*): Use it.
3553 2010-04-09 Steve Ellcey <sje@cup.hp.com>
3555 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
3557 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
3559 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
3562 * diagnostic.c (diagnostic_initialize): Initialize
3563 some_warnings_are_errors.
3564 (diagnostic_finish): New.
3565 (diagnostic_action_after_output): Call it before exiting.
3566 (diagnostic_report_diagnostic): Do not print message here. Set
3567 some_warnings_are_errors.
3568 * diagnostic.h (diagnostic_context): Delete
3569 issue_warnings_are_errors_message. Add some_warnings_are_errors.
3570 (diagnostic_finish): Declare.
3571 * toplev.c (toplev_main): Call it before exit.
3573 2010-04-09 Jason Merrill <jason@redhat.com>
3576 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
3577 for incomplete type.
3580 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
3581 based on a warning flag.
3583 2010-04-09 Richard Guenther <rguenther@suse.de>
3585 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
3587 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
3590 * varasm.c (default_assemble_visibility): Wrap vars that are
3591 set, but unused, by targets without GAS.
3592 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
3593 Remove set, but unused, vars.
3594 (rs6000_legitimize_tls_address): Likewise.
3595 (altivec_expand_dst_builtin): Likewise.
3596 * config/darwin.c (machopic_classify_symbol): Likewise.
3597 (machopic_indirection_name): Likewise.
3599 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
3601 * config/i386/i386.md (DWI): New mode iterator.
3602 (S): New mode attribute.
3603 (shift_operand): Ditto.
3604 (shift_immediate_operand): Ditto.
3605 (ashl_input_operand): Ditto.
3606 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
3607 using SDWIM mode iterator.
3608 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
3609 pattern from *ashl{di,ti}3_1 and corresponding splitters using
3611 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
3612 from corresponding peephole2 patterns.
3613 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
3614 and x86_64_shift_adj_1 using SWI48 mode iterator.
3615 (x86_shift<mode>_adj_2): Ditto.
3616 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
3617 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
3618 using SWI48 mode iterator.
3619 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
3620 *ashldi3_cmp_rex64 using SWI mode iterator.
3621 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
3622 *ashldi3_cconly_rex64 using SWI mode iterator.
3623 * config/i386/i386.c (ix86_split_ashl): Update for renamed
3624 x86_shift<mode>_adj_{1,2}.
3625 (ix86_split_ashr): Ditto.
3626 (ix86_split_lshr): Ditto.
3628 2010-04-09 Richard Guenther <rguenther@suse.de>
3630 * target.h (builtin_conversion): Pass in input and output types.
3631 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
3632 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
3633 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
3634 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
3636 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
3638 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
3640 2010-04-09 Richard Guenther <rguenther@suse.de>
3643 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
3645 2010-04-09 Richard Guenther <rguenther@suse.de>
3647 * tree-vectorizer.h (struct _stmt_vec_info): Document
3648 that vectype is the type of the LHS.
3649 (supportable_widening_operation, supportable_narrowing_operation):
3650 Get both input and output vector types as arguments.
3651 (vect_is_simple_use_1): Declare.
3652 (get_same_sized_vectype): Likewise.
3653 * tree-vect-loop.c (vect_determine_vectorization_factor):
3654 Set STMT_VINFO_VECTYPE to the vector type of the def.
3655 (vectorizable_reduction): Adjust.
3656 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
3657 Adjust. Specify the output vector type.
3658 (vect_pattern_recog_1): Adjust.
3659 * tree-vect-stmts.c (get_same_sized_vectype): New function.
3660 (vectorizable_call): Adjust.
3661 (vectorizable_conversion): Likewise.
3662 (vectorizable_operation): Likewise.
3663 (vectorizable_type_demotion): Likewise.
3664 (vectorizable_type_promotion): Likewise.
3665 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
3667 (vect_is_simple_use_1): New function.
3668 (supportable_widening_operation): Get both input and output
3670 (supportable_narrowing_operation): Likewise.
3671 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
3673 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
3675 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
3676 __thiscall and _thiscall as predefined macros.
3677 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
3678 thiscall attribute handling.
3679 (ix86_comp_type_attributes): Likewise.
3680 (ix86_function_regparm): Likewise.
3681 (ix86_return_pops_args): Likewise.
3682 (init_cumulative_args): Likewise.
3683 (find_drap_reg): Likewise.
3684 (ix86_static_chain): Likewise.
3685 (x86_this_parameter): Likewise.
3686 (x86_output_mi_thunk): Likewise.
3687 (ix86_attribute_table): Add description for thiscall attribute.
3688 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
3689 * doc/extend.texi: Add documentation for thiscall.
3691 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
3694 * c.opt (Wint-to-pointer-cast): Available in C++.
3695 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
3697 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
3699 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
3700 * calls.c (expand_call): Pass the function type to aggregate_value_p.
3701 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
3702 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
3703 function type instead. Reorder and simplify checks.
3705 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
3707 2010-04-08 Jing Yu <jingyu@google.com>
3708 Zdenek Dvorak <ook@ucw.cz>
3710 PR tree-optimization/42720
3711 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
3712 loop unswitch conditions here from ...
3713 (tree_unswitch_single_loop): ... here.
3715 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
3717 * tree-if-conv.c: Fix comments and simplify logic.
3719 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
3721 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
3722 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
3723 (main_tree_if_conversion): Update call to tree_if_conversion.
3725 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
3728 * doc/invoke.texi (-b,-V): Delete.
3729 * doc/tm.texi: Do not mention -b.
3730 * gcc.c (display_help): Delete -b and -V.
3731 (process_command): Delete -b and -V.
3732 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
3734 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
3735 Wolfgang Gellerich <gellerich@de.ibm.com>
3737 Implement target hook for loop unrolling
3738 * target.h (loop_unroll_adjust): Add a new target hook function.
3739 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
3740 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
3741 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
3742 (s390_loop_unroll_adjust): Implement the new target hook for s390.
3743 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
3745 (decide_unroll_stupid): Likewise.
3747 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3750 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
3752 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3754 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
3755 (Specific, *-*-solaris2*): Likewise.
3756 Don't prefer Sun as over GNU as.
3758 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
3760 * config/s390/s390.c (override_options): Adjust the z10
3761 defaults for max-unroll-times, max-completely-peeled-insns
3762 and max-completely-peel-times.
3764 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3766 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
3767 instructions for z10.
3768 (s390_expand_setmem): Likewise.
3769 (s390_expand_cmpmem): Likewise.
3771 2010-04-08 Richard Guenther <rguenther@suse.de>
3773 PR tree-optimization/43679
3774 * tree-ssa-pre.c (eliminate): Only propagate copies.
3776 2010-04-08 Jakub Jelinek <jakub@redhat.com>
3779 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
3780 set but not used variable warning.
3782 2010-04-08 Wei Guozhi <carrot@google.com>
3785 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
3786 (arm_size_rtx_costs): Call the new function when optimized for size.
3788 2010-04-08 Jakub Jelinek <jakub@redhat.com>
3791 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
3792 op0 is not a MEM, just return NULL instead of assertion
3794 (discover_nonconstant_array_refs): Don't walk debug stmts.
3796 2010-04-08 Doug Kwan <dougkwan@google.com>
3798 * configure.ac: Recognize gold and do not use its version number
3799 to test ld features.
3800 * configure: Regenerate.
3802 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
3805 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
3806 (negate_value): Move code to push elements to broken_up_substracts ...
3807 (eliminate_plus_minus_pair): ... here. Push operands that have no
3808 negative pair to plus_negates.
3809 (repropagate_negates, init_reassoc, fini_reassoc): Update.
3811 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3813 * doc/install.texi (Configuration): Move description of
3814 --enable-lto, --with-libelf*, --enable-gold from Java section to
3817 * doc/generic.texi (Working with declarations)
3818 (Function Properties, C and C++ Trees): Fix typos.
3819 * doc/sourcebuild.texi (Top Level): Likewise.
3821 2010-04-07 Jakub Jelinek <jakub@redhat.com>
3824 * tree.h (DECL_READ_P): Define.
3825 (struct tree_decl_common): Add decl_read_flag.
3826 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
3827 a set but not used warning.
3828 (merge_decls): Merge DECL_READ_P flag.
3829 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
3830 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
3831 * c-common.c (handle_used_attribute, handle_unused_attribute):
3833 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
3835 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
3837 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
3838 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
3839 c_parser_binary_expression, c_parser_cast_expression,
3840 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
3841 Call default_function_array_read_conversion instead of
3842 default_function_array_conversion where needed.
3843 (c_parser_unary_expression, c_parser_conditional_expression,
3844 c_parser_postfix_expression_after_primary, c_parser_initelt):
3845 Likewise. Call mark_exp_read where needed.
3846 (c_parser_statement_after_labels, c_parser_asm_operands,
3847 c_parser_typeof_specifier, c_parser_sizeof_expression,
3848 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
3850 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
3852 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
3853 (warn_unused_but_set_parameter): Default to warn_unused
3855 * doc/invoke.texi: Document -Wunused-but-set-variable and
3856 -Wunused-but-set-parameter.
3858 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
3859 used count variable.
3860 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
3861 when operandN variables aren't used in the body of the expander
3863 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
3864 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
3865 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
3866 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
3867 FOR_EACH_IMM_USE_ON_STMT): Likewise.
3868 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
3869 * tree.c (PROCESS_ARG): Likewise.
3871 2010-04-07 Simon Baldwin <simonb@google.com>
3873 * diagnostic.h (diagnostic_override_option_index): New macro to
3874 set a diagnostic's option_index.
3875 * c-tree.h (c_cpp_error): Add warning reason argument.
3876 * opts.c (_warning_as_error_callback): New.
3877 (register_warning_as_error_callback): Store callback for
3878 warnings enabled via enable_warning_as_error.
3879 (enable_warning_as_error): Call callback, minor code tidy.
3880 * opts.h (register_warning_as_error_callback): Declare.
3881 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
3882 response to -Werror=.
3883 (c_common_init_options): Register warning_as_error_callback in opts.c.
3884 * common.opt: Add -Wno-cpp option.
3885 * c-common.c (struct reason_option_codes_t): Map cpp warning
3886 reason codes to gcc option indexes.
3887 * (c_option_controlling_cpp_error): New function, lookup the gcc
3888 option index for a cpp warning reason code.
3889 * (c_cpp_error): Add warning reason argument, call
3890 c_option_controlling_cpp_error for diagnostic_override_option_index.
3891 * doc/invoke.texi: Document -Wno-cpp.
3893 2010-04-07 Richard Guenther <rguenther@suse.de>
3895 * ipa-reference.c (mark_load): Use get_base_address.
3896 (mark_store): Likewise.
3898 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
3899 inserting GIMPLE_NOPs into the IL.
3900 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3901 Explicitly strip handled components and indirect references.
3903 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
3904 folding address expressions.
3905 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
3906 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
3907 operand_equal_p to compare decls.
3908 (ptr_deref_may_alias_decl_p): Likewise.
3909 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
3910 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
3911 Handle reversed comparison ops.
3912 * tree-sra.c (asm_visit_addr): Use get_base_address.
3913 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
3914 * ipa-reference.c (mark_address): Use get_base_address.
3916 2010-04-07 Richard Guenther <rguenther@suse.de>
3918 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
3919 Propagate constants everywhere.
3921 2010-04-07 Jakub Jelinek <jakub@redhat.com>
3924 * tree.c (MAX_INT_CACHED_PREC): Define.
3925 (nonstandard_integer_type_cache): New array.
3926 (build_nonstandard_integer_type): Cache results for precision
3927 <= MAX_INT_CACHED_PREC.
3929 2010-04-07 Richard Guenther <rguenther@suse.de>
3931 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
3932 -fargument-noalias-global, -fargument-noalias-anything): Remove.
3933 * common.opt: Likewise.
3934 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
3935 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
3936 (nonoverlapping_memrefs_p): Likewise.
3937 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3938 * opts.c (common_handle_option): Handle OPT_fargument_alias,
3939 OPT_fargument_noalias, OPT_fargument_noalias_anything and
3940 OPT_fargument_noalias_global for backward compatibility.
3942 2010-04-07 Richard Guenther <rguenther@suse.de>
3944 PR tree-optimization/43270
3945 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
3946 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
3947 * tree-ssa-pre.c (phi_translate_1): Adjust.
3948 (fully_constant_expression): Split out vn_reference handling to ...
3949 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
3950 Fold reads from constant strings.
3951 (vn_reference_lookup): Handle fully constant references.
3952 (vn_reference_lookup_pieces): Likewise.
3953 * Makefile.in (expmed.o-warn): Add -Wno-error.
3955 2010-04-07 Martin Jambor <mjambor@suse.cz>
3957 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
3959 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
3962 * gcc.c: Add -static-libstdc++ to list of recognized options.
3964 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3966 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
3968 2010-04-07 Richard Guenther <rguenther@suse.de>
3971 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
3972 bases build simple mem attributes to retain points-to information.
3974 2010-04-07 Richard Guenther <rguenther@suse.de>
3977 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
3978 preserve points-to related information.
3980 2010-04-07 Richard Guenther <rguenther@suse.de>
3983 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
3984 discard plain indirect references.
3985 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
3986 * tree.c (tree_nop_conversion): Likewise.
3988 2010-04-07 Dodji Seketeli <dodji@redhat.com>
3991 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
3993 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
3995 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
3996 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
3998 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
4000 * tree-if-conv.c: Fix indentation and comments.
4002 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
4004 * tree-if-conv.c: Sort static functions in topological order.
4006 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
4008 * tree-if-conv.c: Fix indentation and comments.
4010 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
4013 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
4014 lang_hooks.types.type_for_size instead of
4015 build_nonstandard_integer_type.
4016 When converting an unsigned type to signed, double its precision.
4017 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
4018 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
4019 (graphite_create_new_loop_guard): When ub + 1 wraps around,
4022 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
4025 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
4026 POINTER_PLUS_EXPR for pointer types.
4028 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
4031 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
4032 * graphite-clast-to-gimple.c: Include langhooks.h.
4033 (max_signed_precision_type): New.
4034 (max_precision_type): Takes two types as arguments.
4035 (precision_for_value): New.
4036 (precision_for_interval): New.
4037 (gcc_type_for_interval): New.
4038 (gcc_type_for_value): New.
4039 (gcc_type_for_clast_term): New.
4040 (gcc_type_for_clast_red): New.
4041 (gcc_type_for_clast_bin): New.
4042 (gcc_type_for_clast_expr): Split up into several functions.
4043 (gcc_type_for_clast_eq): Rewritten.
4044 (compute_bounds_for_level): New.
4045 (compute_type_for_level_1): New.
4046 (compute_type_for_level): New.
4047 (gcc_type_for_cloog_iv): Removed.
4048 (gcc_type_for_iv_of_clast_loop): Rewritten.
4049 (graphite_create_new_loop): Compute the lower and upper bound types
4050 with gcc_type_for_clast_expr.
4051 (graphite_create_new_loop_guard): Same.
4052 (find_cloog_iv_in_expr): Removed.
4053 (compute_cloog_iv_types_1): Removed.
4054 (compute_cloog_iv_types): Removed.
4055 (gloog): Do not call compute_cloog_iv_types.
4056 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
4058 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
4059 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
4060 (GBB_CLOOG_IV_TYPES): Removed.
4062 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
4064 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
4065 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
4066 (detect_commutative_reduction): Same.
4068 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
4070 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
4071 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
4073 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
4074 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
4075 (rewrite_commutative_reductions_out_of_ssa): Same.
4076 * passes.c (execute_function_todo): Call verify_ssa for every pass
4077 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
4078 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
4079 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
4080 with an extra argument.
4081 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
4082 verify_ssa only when the extra argument is true.
4083 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
4084 with an extra argument.
4085 (tree_transform_and_unroll_loop): Same.
4087 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
4089 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
4090 for all the passes of the LNO having LOOP_CLOSED_SSA.
4091 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
4092 * tree-loop-distribution.c (pass_loop_distribution): Same.
4093 * tree-pass.h (TODO_verify_loops): Removed.
4094 * tree-ssa-loop.c (pass_tree_loop_init): Same.
4096 (pass_tree_unswitch): Same.
4097 (pass_predcom): Same.
4098 (pass_vectorize): Same.
4099 (pass_linear_transform): Same.
4100 (pass_graphite_transforms): Same.
4101 (pass_iv_canon): Same.
4102 (pass_complete_unroll): Same.
4103 (pass_complete_unrolli): Same.
4104 (pass_parallelize_loops): Same.
4105 (pass_loop_prefetch): Same.
4106 (pass_iv_optimize): Same.
4108 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
4111 * passes.c (init_optimization_passes): Move pass_lim before
4112 pass_copy_prop and pass_dce_loop.
4114 2010-04-06 Jakub Jelinek <jakub@redhat.com>
4117 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
4118 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
4119 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
4120 MULTI_* defines for 4 argument vpermil2p* builtins.
4122 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
4124 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
4125 * config/i386/i386.c (x86_maybe_negate_const_int): New.
4126 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
4127 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
4128 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
4129 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
4130 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
4131 Use x86_maybe_negate_const_int to output insn mnemonic.
4132 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
4133 check from instruction predicate. Update comments.
4134 * config/i386/sync.md (sync_add<mode>): Use
4135 x86_maybe_negate_const_int to output insn mnemonic.
4137 2010-04-06 Jan Hubicka <jh@suse.cz>
4139 PR tree-optimization/42906
4140 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
4141 IGNORE_SELF argument. Set visited_control_parents for fully
4143 (find_obviously_necessary_stmts): Update call of
4144 mark_control_dependent_edges_necessary.
4145 (propagate_necessity): Likewise. Handle PHI edges more curefully.
4147 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
4149 * config/i386/i386.md: Remove comment about 'e' and 'E'
4152 2010-04-06 Richard Guenther <rguenther@suse.de>
4154 PR tree-optimization/43627
4155 * tree-vrp.c (extract_range_from_unary_expr): Widenings
4156 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
4159 2010-04-06 Jakub Jelinek <jakub@redhat.com>
4161 * BASE-VER: Change to 4.6.0.
4164 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
4167 2010-04-06 Richard Guenther <rguenther@suse.de>
4170 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
4172 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4174 * doc/invoke.texi (Optimize Options): Document that LTO
4175 won't remove object access purely due to incompatible
4178 2010-04-04 Matthias Klose <doko@ubuntu.com>
4180 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
4181 Initialize variable.
4183 2010-04-03 Richard Guenther <rguenther@suse.de>
4186 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
4187 require a non-NULL MEM_OFFSET.
4189 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
4191 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
4192 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
4193 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
4194 config/alpha/predicates.md, config/arm/arm.md,
4195 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
4196 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
4197 config/darwin9.h, config/darwin.c, config/darwin.h,
4198 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
4199 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
4200 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
4201 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
4202 config/mips/mips.md, config/mn10300/mn10300.c,
4203 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
4204 config/rs6000/aix.h, config/rs6000/dfp.md,
4205 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
4206 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
4207 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
4208 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
4209 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
4210 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
4211 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
4212 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
4213 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
4214 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
4215 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
4216 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
4217 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
4218 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
4219 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
4220 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
4221 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
4222 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
4223 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
4224 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
4225 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
4226 opt-functions.awk, opth-gen.awk, params.def, passes.c,
4227 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
4228 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
4229 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
4230 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
4231 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
4232 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
4233 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
4234 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
4235 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
4236 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
4237 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
4238 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
4239 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
4240 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
4242 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4245 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
4246 * aclocal.m4: Regenerate.
4248 2010-04-02 Richard Guenther <rguenther@suse.de>
4250 PR tree-optimization/43629
4251 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
4252 if we have seen a constant value.
4254 2010-04-02 Joseph Myers <joseph@codesourcery.com>
4256 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
4258 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
4261 * arm.c (legitimize_tls_address): Adjust call to
4262 gen_tls_load_dot_plus_four.
4263 (arm_note_pic_base): New function.
4264 (arm_cannot_copy_insn_p): Use it.
4265 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
4268 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4273 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4275 * Makefile.in ($(out_object_file)): Depend on
4276 gt-$(basename $(notdir $(out_file))).h.
4278 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
4280 * config.gcc (lm32-*-rtems*): Add t-lm32.
4282 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
4284 * config.gcc: Add lm32-*-rtems*.
4285 * config/lm32/rtems.h: New file.
4287 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
4290 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
4292 2010-04-01 Jakub Jelinek <jakub@redhat.com>
4294 * dwarf2out.c (output_compilation_unit_header): For
4295 -gdwarf-4 use version 4 instead of version 3.
4296 (output_line_info): For version 4 and above emit additional
4297 maximum ops per insn header field.
4298 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
4300 * dwarf2out.c (is_c_family, is_java): Remove.
4301 (lower_bound_default): New function.
4302 (add_bound_info, gen_descr_array_type_die): Use it.
4304 2010-04-01 Dodji Seketeli <dodji@redhat.com>
4307 * dwarf2out.c (gen_variable_die): Allow debug info for variable
4308 re-declaration when it happens in a function.
4310 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
4312 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
4313 (cgraph_remove_function_insertion_hook): Same.
4314 (cgraph_call_function_insertion_hooks): Same.
4316 2010-04-01 Richard Guenther <rguenther@suse.de>
4319 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
4320 and TREE_THIS_VOLATILE.
4321 (copy_ref_info): Likewise.
4322 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
4323 * tree.c (build6_stat): Ignore side-effects of all but arg5
4324 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
4327 2010-04-01 Richard Guenther <rguenther@suse.de>
4329 PR tree-optimization/43607
4330 * ipa-type-escape.c (check_call): Do not access non-existing
4333 2010-04-01 Richard Guenther <rguenther@suse.de>
4337 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
4338 Jack Howarth <howarth@bromo.med.uc.edu>
4340 * tree-profile.c (tree_init_ic_make_global_vars): Make static
4343 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4345 * doc/install.texi (Prerequisites): Document libelf usability on
4346 IRIX 5/6 and Solaris 2.
4347 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
4348 Update GNU as, GNU ld requirements.
4349 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
4350 Document Sun Studio compiler download.
4351 Update and simplify as, ld recommendations.
4352 (Specific, *-*-solaris2.7): Note obsoletion, removal.
4354 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4356 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
4357 with_tune_32 to pentium4.
4359 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
4361 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
4363 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4365 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
4366 obsoletion, removal.
4368 Document GNU as requirement.
4369 Update configure requirements.
4370 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
4371 Recomment IRIX 6.5.18+.
4372 Document IDF/IDL requirement.
4373 Document GNU as requirement.
4374 Document GNU ld bootstrap failure.
4375 Remove freeware.sgi.com reference.
4377 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4379 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
4380 UNIX V4.0, V5.0 obsoletion, removal.
4381 Remove --with-gc=simple reference.
4382 Update VM requirements during bootstrap.
4383 Remove -oldas bootstrap description.
4384 Update binutils reference.
4385 Remove comparison failure note.
4387 2010-03-31 Richard Guenther <rguenther@suse.de>
4388 Zdenek Dvorak <ook@ucw.cz>
4389 Sebastian Pop <sebastian.pop@amd.com>
4392 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
4393 with multiple arguments.
4394 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
4396 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
4398 * graphite-dependences.c (print_pddr): Call print_pdr with an
4400 * graphite-poly.c (debug_pdr): Add an extra argument for the
4403 (print_pbb_domain): Same.
4405 (print_scop_context): Same.
4407 (print_cloog): Same.
4408 (debug_pbb_domain): Same.
4412 (debug_scop_context): Same.
4414 (debug_cloog): Same.
4415 (print_scop_params): Same.
4416 (debug_scop_params): Same.
4417 (print_iteration_domain): Same.
4418 (print_iteration_domains): Same.
4419 (debug_iteration_domain): Same.
4420 (debug_iteration_domains): Same.
4421 (print_scattering_function): Same.
4422 (print_scattering_functions): Same.
4423 (debug_scattering_function): Same.
4424 (debug_scattering_functions): Same.
4425 * graphite-poly.h (debug_pdr): Update declaration.
4427 (print_pbb_domain): Same.
4429 (print_scop_context): Same.
4431 (print_cloog): Same.
4432 (debug_pbb_domain): Same.
4436 (debug_scop_context): Same.
4438 (debug_cloog): Same.
4439 (print_scop_params): Same.
4440 (debug_scop_params): Same.
4441 (print_iteration_domain): Same.
4442 (print_iteration_domains): Same.
4443 (debug_iteration_domain): Same.
4444 (debug_iteration_domains): Same.
4445 (print_scattering_function): Same.
4446 (print_scattering_functions): Same.
4447 (debug_scattering_function): Same.
4448 (debug_scattering_functions): Same.
4450 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
4452 * graphite-poly.c (print_scattering_function_1): New.
4453 (print_scattering_function): Call it.
4454 (print_scop_params): Remove spaces at the end of lines.
4457 * graphite-poly.h (print_cloog): Declared.
4458 (debug_cloog): Declared.
4460 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
4462 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
4464 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
4465 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
4466 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
4467 to switch between adding the IV bump in loop->latch or in loop->header.
4469 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
4471 * graphite-poly.c (print_scattering_function): Pretty print following
4474 (print_pbb_domain): Same.
4475 (dump_gbb_cases): Same.
4476 (dump_gbb_conditions): Same.
4479 (print_scop_params): Same.
4480 (print_scop_context): Same.
4482 (print_pbb_body): New.
4483 (lst_indent_to): New.
4484 (print_lst): Start new lines with a #.
4485 * graphite-poly.h (pbb_bb): New.
4486 (pbb_index): Use pbb_bb.
4487 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
4489 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
4491 2010-03-31 Jakub Jelinek <jakub@redhat.com>
4493 * dwarf2out.c (size_of_die): For -gdwarf-4 use
4494 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
4495 and 0 instead of 1 for dw_val_class_flag.
4496 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
4497 dw_val_class_range_list, dw_val_class_loc_list,
4498 dw_val_class_lineptr and dw_val_class_macptr, use
4499 DW_FORM_flag_present for dw_val_class_flag and
4500 DW_FORM_exprloc for dw_val_class_loc.
4501 (output_die): For -gdwarf-4 print dw_val_class_loc
4502 size as uleb128 instead of 1 or 2 bytes and don't print
4503 anything for dw_val_class_flag.
4505 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
4506 instead of cselib_lookup following by tweaking locs->setting_insn.
4509 * cselib.c (cselib_process_insn): Clear cselib_current_insn
4510 even before returning from label, setjmp call or volatile asm
4513 2010-03-31 Richard Guenther <rguenther@suse.de>
4516 * cgraphunit.c (cgraph_output_in_order): Do not allocate
4517 temporary data on stack.
4519 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4521 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
4522 (PUSHSECTION_ASM_OP): Remove.
4523 (POPSECTION_ASM_OP): Remove.
4524 (PUSHSECTION_FORMAT): Remove.
4525 * config/sol2.h (PUSHSECTION_FORMAT): Define.
4526 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
4527 * config/sol2.c (solaris_output_init_fini): Use it.
4529 2010-03-31 Jie Zhang <jie@codesourcery.com>
4532 * opt-functions.awk (var_type_struct): Use signed char type
4533 for simple variables.
4535 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4537 * config/sol2.c: Include output.h.
4538 (solaris_assemble_visibility): New function.
4539 * config/t-sol2 (sol2.o): Add output.h dependency.
4540 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
4541 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
4544 2010-03-31 Jakub Jelinek <jakub@redhat.com>
4547 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
4548 V2SImode or XFmode on PRE_DEC.
4551 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
4554 2010-03-31 Jie Zhang <jie@codesourcery.com>
4557 * reload.h (caller_save_initialized_p): Declare.
4558 * toplev.c (backend_init_target): Don't call
4559 init_caller_save but set caller_save_initialized_p to false.
4560 * caller-save.c (caller_save_initialized_p): Define.
4561 (init_caller_save): Check caller_save_initialized_p.
4562 * ira.c (ira): Call init_caller_save if flag_caller_saves.
4564 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4567 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
4568 and soft-fp/t-softfp to tmake_file.
4569 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
4570 (LIBGCC2_TF_CEXT): Define.
4573 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
4576 * cselib.c (n_useless_values): Document handling of debug locs.
4577 (n_useless_debug_values, n_debug_values): New variables.
4578 (new_elt_loc_list): Don't add to debug values, keep count.
4579 (promote_debug_loc): New.
4580 (cselib_reset_table): Zero new variables.
4581 (entry_and_rtx_equal_p): Promote debug locs.
4582 (discard_useless_locs): Increment n_useless_debug_values for
4584 (remove_useless_values): Adjust n_useless_values and n_debug_values
4585 with n_useless_debug_values.
4586 (add_mem_for_addr): Promote debug locs.
4587 (cselib_lookup_mem): Likewise.
4588 (cselib_lookup_addr): Renamed to...
4589 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
4590 (cselib_log_lookup): ... this. Turn into...
4591 (cselib_lookup_addr): ... new wrapper.
4592 (cselib_lookup_from_insn): New.
4593 (cselib_invalidate_regno): Increment n_useless_debug_values for
4595 (cselib_invalidate_mem): Likewise.
4596 (cselib_process_insn): Take n_deleted and n_debug_values into
4597 account to guard remove_useless_value call.
4598 (cselib_finish): Zero n_useless_debug_values.
4599 * cselib.h (cselib_lookup_from_insn): Declare.
4600 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
4601 (sched_analyze_2): Likewise.
4603 2010-03-30 Jakub Jelinek <jakub@redhat.com>
4605 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
4607 (adjust_mems): Replace narrowing SUBREG of expression containing
4608 just PLUS, MINUS, MULT and ASHIFT of registers and constants
4609 with operations in the narrower mode.
4612 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
4613 regs_invalidated_by_call instead all call_used_reg_set registers.
4615 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
4618 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
4619 pointer comparisons with types_compatible_p.
4620 * tree-vect-stmts.c (vectorizable_call): Same.
4621 (vectorizable_condition): Same.
4623 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4625 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
4626 stack check if the mask would be zero.
4628 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
4629 Jack Howarth <howarth@bromo.med.uc.edu>
4631 * tree-profile.c (tree_init_ic_make_global_vars): Make static
4634 2010-03-30 Joseph Myers <joseph@codesourcery.com>
4637 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
4639 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
4640 Include ___unordxf2 and ___unordtf2.
4641 * config/i386/libgcc-glibc.ver: Do not define inheritance from
4644 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
4646 * config/lm32/t-lm32: New file.
4647 * config.gcc: Use the above file when targetting lm32.
4649 2010-03-28 Duncan Sands <baldrick@free.fr>
4651 * Makefile.in (PLUGIN_HEADERS): Add except.h.
4653 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
4656 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
4657 Improve vectorization cost model diagnostic.
4659 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
4662 * tree-vect-data-refs.c (vect_analyze_data_refs): When
4663 compute_data_dependences_for_loop returns false, early exit
4664 and output an extra diagnostic for the failed data reference
4667 2010-03-29 Richard Guenther <rguenther@suse.de>
4669 PR tree-optimization/43560
4670 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
4671 (can_sm_ref_p): Treat stores to readonly locations as trapping.
4673 2010-03-29 Jie Zhang <jie@codesourcery.com>
4676 * toplev.c (process_options): Set optimization_default_node
4677 and optimization_current_node.
4678 * opts.c (decode_options): Don't set optimization_default_node
4679 and optimization_current_node.
4681 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
4683 * config/rtems.h: Abandon -qrtems_debug.
4685 2010-03-28 Jan Hubicka <jh@suse.cz>
4687 PR tree-optimization/43505
4688 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
4689 map should not be copied.
4691 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4694 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
4695 cdtors, set DECL_PRESERVE_P.
4696 * ipa.c (cgraph_externally_visible_p): Return true if declaration
4699 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
4701 PR tree-optimization/43528
4702 * stor-layout.c (place_field): Check that constant fits into
4703 unsigned HWI when skipping calculation of MS bitfield layout.
4705 2010-03-27 Jan Hubicka <jh@suse.cz>
4708 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
4709 notice_global_symbol work.
4711 2010-03-27 Jakub Jelinek <jakub@redhat.com>
4713 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
4714 instead of dwarf2out_decl.
4715 (struct var_loc_node): Remove section_label field.
4716 (dwarf2out_function_decl): New function.
4717 (dwarf2out_var_location): Don't set section_label field.
4718 (dwarf2out_begin_function): Don't empty decl_loc_table here.
4720 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
4722 PR tree-optimization/43544
4723 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
4724 First argument for builtin vectorized function hook is now a
4725 tree to be able to distinguish between machine specific and
4727 * targhooks.c (default_builtin_vectorized_function): Ditto.
4728 * targhooks.h (default_builtin_vectorized_function): Ditto.
4729 * target.h (struct gcc_target): Ditto.
4730 * tree-vect-stmts.c (vectorizable_function): Ditto.
4731 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
4732 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
4735 2010-03-26 Joseph Myers <joseph@codesourcery.com>
4738 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
4739 nested binding iff it is a FUNCTION_DECL.
4740 (store_parm_decls_newstyle): Pass nested=true to bind for
4741 FUNCTION_DECLs amongst parameters.
4743 2010-03-26 Jakub Jelinek <jakub@redhat.com>
4745 * var-tracking.c (vt_expand_loc_callback): Don't run
4746 cselib_expand_value_rtx_cb in dummy mode if
4747 cselib_dummy_expand_value_rtx_cb returned false.
4749 * var-tracking.c (emit_note_insn_var_location): For one part
4750 notes with offset 0, don't add EXPR_LIST around the location.
4751 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
4752 add_location_or_const_value_attribute): Adjust for that change.
4755 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
4756 into first operand and location into second.
4757 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
4758 dw_cfi_oprnd_loc for DW_CFA_expression.
4759 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
4760 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
4761 assume first argument is regnum and second argument is location.
4763 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
4766 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
4767 of scratch register to DImode. Split to DImode comparison operator.
4768 Use SImode subreg of scratch register in the multiplication.
4769 (*cmp_sadd_sidi): Ditto.
4770 (*cmp_ssub_si): Ditto.
4771 (*cmp_ssub_sidi): Ditto.
4773 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
4776 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
4777 Remove invalid assert and wrong comment.
4779 2010-03-26 Jakub Jelinek <jakub@redhat.com>
4782 * flags.h (final_insns_dump_p): New extern.
4783 * final.c (final_insns_dump_p): New variable.
4784 (rest_of_clean_state): Set it before -fdump-final-insns=
4785 dumping, clear afterwards.
4786 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
4787 MEM_ALIAS_SET on MEMs.
4789 2010-03-26 David S. Miller <davem@davemloft.net>
4791 * configure.ac: Fix sparc GOTDATA_OP bug check.
4792 * configure: Rebuild.
4794 2010-03-26 Alan Modra <amodra@gmail.com>
4796 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
4798 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4800 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
4801 TLS_SECTION_ASM_FLAG.
4803 2010-03-25 Jakub Jelinek <jakub@redhat.com>
4806 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
4807 Clear first_function_block_is_cold.
4810 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
4811 argument if the argument is truth_value_p.
4813 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
4815 * config/rs6000/constraints.md: Update copyright year for my changes.
4818 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
4819 used in reg+reg addressing, swap registers.
4821 2010-03-24 Jakub Jelinek <jakub@redhat.com>
4824 * target.h (struct gcc_target): Add code_end hook.
4825 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
4827 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
4828 * toplev.c (compile_file): Call targetm.asm_out.code_end
4829 hook before unwind info/debug info output.
4830 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
4831 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
4832 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
4833 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
4834 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
4835 * config/i386/i386.c (ix86_file_end): Renamed to...
4836 (ix86_code_end): ... this. Make static. Don't call
4837 file_end_indicate_exec_stack. Emit unwind info using
4838 final_start_function/final_end_function.
4839 (darwin_x86_file_end): Remove.
4840 (TARGET_ASM_CODE_END): Define.
4841 * config/i386/i386.h (TARGET_ASM_FILE_END,
4842 NEED_INDICATE_EXEC_STACK): Don't define.
4843 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
4844 (TARGET_ASM_FILE_END): Define to darwin_file_end.
4845 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
4846 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
4849 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
4850 at the beginning and final_end_function at the end.
4851 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
4853 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4855 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
4856 and Sun as TLS syntax.
4857 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
4858 * configure: Regenerate.
4859 * config.in: Regenerate.
4860 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
4861 (default_elf_asm_named_section): Use it.
4862 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
4863 (i386_output_dwarf_dtprel): Likewise.
4864 (output_addr_const_extra): Likewise.
4865 (output_pic_addr_const): Lowercase @GOTTPOFF.
4866 (output_addr_const_extra): Likewise.
4867 (output_pic_addr_const): Lowercase @GOTNTPOFF.
4868 (output_addr_const_extra): Likewise.
4869 (output_pic_addr_const): Lowercase @INDNTPOFF.
4870 (output_addr_const_extra): Likewise.
4871 (output_pic_addr_const): Lowercase @NTPOFF.
4872 (output_addr_const_extra): Likewise.
4873 (output_pic_addr_const): Lowercase @TPOFF.
4874 (output_addr_const_extra): Likewise.
4875 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
4876 (*tls_global_dynamic_64): Likewise.
4877 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
4878 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
4880 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
4881 (ASM_OUTPUT_TLS_COMMON): Use it.
4882 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
4885 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
4886 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
4887 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
4888 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
4889 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
4890 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
4892 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4894 * config/i386/i386.c (override_options): Don't accept
4895 -mtls-dialect=sun any longer.
4896 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
4897 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
4898 (*tls_local_dynamic_base_32_sun): Likewise.
4899 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
4901 2010-03-24 Jakub Jelinek <jakub@redhat.com>
4904 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
4905 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
4908 * ira.c (adjust_cleared_regs): New function.
4909 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
4913 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
4915 * expr.c (expand_expr_real): Restore previous
4916 curr_insn_source_location and curr_insn_block after
4917 expand_expr_real_1 call.
4918 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
4919 instead of expand_expr_real_1.
4921 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
4923 PR rtl-optimization/43413
4924 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
4927 2010-03-22 James E. Wilson <wilson@codesourcery.com>
4930 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
4931 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
4933 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
4935 * config/i386/i386.c (ix86_target_string): Add -mfma.
4936 Fix a typo in comment.
4938 2010-03-22 Mike Stump <mikestump@comcast.net>
4941 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
4942 Don't overly align based upon packed packed fields.
4944 2010-03-22 Jason Merrill <jason@redhat.com>
4946 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
4947 Use () rather than [], and move before the element type.
4949 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4951 * doc/configfiles.texi (Configuration Files): Removed
4952 fixinc/Makefile*, intl/Makefile.*.
4953 * doc/makefile.texi: Fixed markup. Abstract from version
4954 control system used.
4955 (Makefile): Removed obsolete gcc/java/parse.y example.
4956 * doc/sourcebuild.texi: Likewise.
4957 (Top Level): Added config, gnattools, libdecnumber, libgcc,
4958 libgomp, libssp. Removed fastjar.
4959 (Miscellaneous Docs): Clarify location.
4960 Added COPYING3, COPYING3.LIB.
4961 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
4963 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4966 * config/i386/i386.c (x86_function_profiler)
4967 [!NO_PROFILE_COUNTERS]: Fix typo.
4968 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
4971 2010-03-22 Janis Johnson <janis187@us.ibm.com>
4972 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4974 * doc/sourcebuild.texi (Test Directives): Split into six
4975 subsections, with most of the current text in new subsections
4976 Directives, Selectors, and Final Actions.
4977 (Directives): Split list of test directives into multiple
4979 (Selectors): Describe use and syntax of selectors.
4980 (Effective-Target Keywords): Describe all existing keywords.
4981 (Add Options): Describe features for dg-add-options.
4982 (Require Support): Describe variants of dg-require-support.
4983 (Final Actions): Describe commands to use in dg-final.
4985 2010-03-22 Michael Matz <matz@suse.de>
4988 * recog.c (validate_replace_rtx_group): Replace also in
4989 REG_EQUAL and REG_EQUIV notes.
4991 2010-03-22 Richard Guenther <rguenther@suse.de>
4993 PR tree-optimization/43390
4994 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
4995 sure vector extracts are type correct.
4997 2010-03-22 Richard Guenther <rguenther@suse.de>
5000 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
5001 x * sqrt (x) even when optimizing for size if the target
5002 has native support for sqrt.
5004 2010-03-22 Jakub Jelinek <jakub@redhat.com>
5006 * varasm.c (make_decl_rtl_for_debug): Also clear
5007 flag_mudflap for the duration of make_decl_rtl call.
5010 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
5011 locs from preserved VALUEs.
5013 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5016 * pa.md (movmemsi): Set align to one if zero.
5017 (movmemdi): Likewise.
5019 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
5022 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
5023 with their corresponding prologue pushes.
5025 2010-03-20 Andrew Pinski <pinskia@gmail.com>
5028 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
5029 at the begining or end.
5030 (spu_expand_epilogue): Likewise.
5032 2010-03-20 Richard Guenther <rguenther@suse.de>
5034 PR rtl-optimization/43438
5035 * combine.c (make_extraction): Properly zero-/sign-extend an
5036 extraction of the low part of a CONST_INT. Also handle
5039 2010-03-19 Mike Stump <mikestump@comcast.net>
5041 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
5042 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
5043 (override_options): Use SUBTARGET32_DEFAULT_CPU.
5045 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
5048 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
5051 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
5053 PR rtl-optimization/42258
5054 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
5055 use that may match DEF.
5058 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
5059 the cost of loading the constant rather than assuming
5061 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
5062 outer code is AND, do the same tests as the andsi3 expander and
5063 return COSTS_N_INSNS (1) if and is cheap.
5065 * optabs.c (avoid_expensive_constant): Fix formatting.
5067 2010-03-19 Michael Matz <matz@suse.de>
5070 * attribs.c (decl_attributes): When rebuilding a function pointer
5071 type use the same qualifiers as the original pointer type.
5073 2010-03-19 Martin Jambor <mjambor@suse.cz>
5075 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
5076 and is_gimple_ip_invariant_address.
5078 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5081 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5083 * config/arm/arm.c (arm_override_options): Turn off
5084 flag_dwarf2_cfi_asm for AAPCS variants.
5086 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5089 * config/arm/arm.c (emit_multi_reg_push): Update comments.
5090 Use PRE_MODIFY instead of PRE_DEC.
5091 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
5092 (vfp_emit_fstmd): Likewise.
5094 2010-03-19 Michael Matz <matz@suse.de>
5097 * builtins.c (expand_builtin_interclass_mathfn,
5098 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
5101 2010-03-19 Richard Guenther <rguenther@suse.de>
5103 PR tree-optimization/43415
5104 * tree-ssa-pre.c (phi_translate): Split out worker to ...
5105 (phi_translate_1): ... this.
5106 (phi_translate): Move all caching here. Cache all NARY
5107 and REFERENCE translations.
5109 2010-03-19 David S. Miller <davem@davemloft.net>
5111 With help from Eric Botcazou.
5112 * config/sparc/sparc.c: Include dwarf2out.h.
5113 (emit_pic_helper): Delete.
5114 (pic_helper_symbol_name): Delete.
5115 (pic_helper_emitted_p): Delete.
5116 (pic_helper_needed): New.
5117 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
5118 (get_pc_thunk_name): New.
5119 (load_pic_register): Remove 'delay_pic_helper' arg. Use
5120 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
5121 Set pic_helper_needed to true. Don't call emit_pic_helper.
5122 (sparc_expand_prologue): Update load_pic_register call.
5123 (sparc_output_mi_thunk): Likewise.
5124 (sparc_file_end): Emit a hidden comdat symbol for the PIC
5125 thunk if possible. Output CFI information as needed.
5127 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
5128 Jack Howarth <howarth@bromo.med.uc.edu>
5131 * config/i386/i386.h: Fix ABI on darwin x86-32.
5133 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
5135 * tree.h: Declare make_decl_rtl_for_debug.
5136 * varasm.c (make_decl_rtl_for_debug): New.
5137 * dwarf2out.c (rtl_for_decl_location): Call it.
5138 * cfgexpand.c (expand_debug_expr): Call it.
5140 2010-03-18 Jakub Jelinek <jakub@redhat.com>
5143 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
5147 * var-tracking.c (vt_init_cfa_base): Do nothing if
5148 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
5150 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
5153 * var-tracking.c (canonicalize_vars_star): New.
5154 (dataflow_post_merge_adjust): Use it.
5156 2010-03-18 Jakub Jelinek <jakub@redhat.com>
5159 * var-tracking.c (non_suitable_const): New function.
5160 (add_uses): For DEBUG_INSNs with constants, don't record any
5161 value, instead just the constant value itself.
5162 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
5163 is not VAR_LOC_UNKNOWN_P, set var to the constant.
5164 (emit_notes_in_bb): Likewise.
5165 (emit_note_insn_var_location): For onepart variables if
5166 cur_loc is a VOIDmode constant, use DECL_MODE.
5168 2010-03-18 Martin Jambor <mjambor@suse.cz>
5171 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
5172 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
5173 all non-clones. Moved call redirection...
5174 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
5175 (cgraph_materialize_all_clones): Dispose of all
5176 combined_args_to_skip bitmaps.
5177 (verify_cgraph_node): Do not check for edges pointing to wrong
5178 nodes in inline clones.
5179 * tree-inline.c (copy_bb): Call
5180 cgraph_redirect_edge_call_stmt_to_callee.
5181 * ipa.c (cgraph_remove_unreachable_nodes): Call
5182 cgraph_node_remove_callees even when there are used clones.
5184 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
5186 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
5188 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
5191 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
5194 2010-03-18 Michael Matz <matz@suse.de>
5197 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
5198 into sqrt(x) if we need to preserve signed zeros.
5200 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
5201 Eric Botcazou <ebotcazou@adacore.com>
5203 PR rtl-optimization/43360
5204 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
5205 note if we don't know its invariant status.
5207 2010-03-18 Michael Matz <matz@suse.de>
5209 PR tree-optimization/43402
5210 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
5211 PHI chains of ssa names registered for update.
5213 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
5216 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
5217 non-offsettable and pre_modify update addressing.
5218 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
5219 and "2" alternatives "#".
5220 (*movdd_softfloat32): Make all alternatives "#";
5221 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
5222 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
5223 (*movdf_softfloat32): Make all alternatives "#";
5224 (movdi): Use the new DIFD mode iterator to create a common splitter
5225 for movdi, movdf and movdd patterns.
5227 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
5229 * common.opt (dumpdir): Remove redundant tab.
5231 2010-03-17 Martin Jambor <mjambor@suse.cz>
5233 PR tree-optimization/43347
5234 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
5235 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
5237 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
5239 PR rtl-optimization/42216
5240 * regrename.c (create_new_chain): New function, broken out from...
5241 (scan_rtx_reg): ... here. Call it. Handle the case where we are
5242 appending a use to an empty chain.
5243 (build_def_use): Remove previous changes that convert OP_INOUT to
5244 OP_OUT operands; instead detect the case where an OP_INOUT operand
5245 uses a previously untracked register and create an empty chain for it.
5247 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5249 * doc/extend.texi (Function Attributes): Rewrite unfinished
5250 sentence in ms_abi documentation.
5252 2010-03-17 Alan Modra <amodra@gmail.com>
5254 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
5255 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
5256 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
5257 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
5259 2010-03-16 Richard Henderson <rth@redhat.com>
5262 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
5263 (lower_try_finally): Save and restore eh_seq around the expansion
5266 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
5268 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
5269 statements before splitting block.
5271 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5273 * doc/sourcebuild.texi (Testsuites): Fix markup.
5274 Use pathnames relative to gcc/testsuite.
5275 (Test Directives): Move description of how timeout is determined.
5276 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
5277 (C Tests): Correct gcc.misc-tests directory.
5278 Framework tests now live in gcc.test-framework.
5280 2010-03-16 Richard Guenther <rguenther@suse.de>
5283 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
5284 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
5286 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
5287 Alexandre Oliva <aoliva@redhat.com>
5289 PR tree-optimization/42917
5290 * lambda-code.c (remove_iv): Skip debug statements.
5291 (lambda_loopnest_to_gcc_loopnest): Likewise.
5292 (not_interesting_stmt): Debug statements are not interesting.
5294 2010-03-16 Jakub Jelinek <jakub@redhat.com>
5298 * cselib.c (cselib_preserve_constants,
5299 cfa_base_preserved_val): New static variables.
5300 (preserve_only_constants): New function.
5301 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
5302 clear its REG_VALUES. If cselib_preserve_constants, don't
5303 empty the whole hash table, but preserve there VALUEs with constants,
5304 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
5305 (cselib_preserve_cfa_base_value): New function.
5306 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
5307 (cselib_init): Change argument to int bitfield. Set
5308 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
5310 (cselib_finish): Clear cselib_preserve_constants and
5311 cfa_base_preserved_val.
5312 * cselib.h (enum cselib_record_what): New enum.
5313 (cselib_init): Change argument to int.
5314 (cselib_preserve_cfa_base_value): New prototype.
5315 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
5316 * dse.c (dse_step1): Likewise.
5317 * cfgcleanup.c (thread_jump): Likewise.
5318 * sched-deps.c (sched_analyze): Likewise.
5319 * gcse.c (local_cprop_pass): Likewise.
5320 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
5321 If FN is non-NULL, call the callback always and whenever it returns
5322 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
5323 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
5324 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
5325 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
5326 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
5327 * var-tracking.c: Include recog.h.
5328 (bb_stack_adjust_offset): Remove.
5329 (vt_stack_adjustments): Don't call it, instead just gather the
5330 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
5331 (adjust_stack_reference): Remove.
5332 (compute_cfa_pointer): New function.
5333 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
5334 (struct adjust_mem_data): New type.
5335 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
5337 (get_address_mode): New function.
5338 (replace_expr_with_values): Use it.
5339 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
5340 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
5341 (adjust_sets): Remove.
5342 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
5343 Use get_address_mode.
5344 (get_adjusted_src): Remove.
5345 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
5346 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
5347 (add_with_sets): Don't call adjust_sets.
5348 (fp_setter, vt_init_cfa_base): New functions.
5349 (vt_initialize): Change return type to bool. Move most of pool etc.
5350 initialization to the beginning of the function from end. Pass
5351 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
5352 If !frame_pointer_needed, call vt_stack_adjustment before mos
5353 vector is filled, call vt_init_cfa_base if argp/framep has been
5354 eliminated to sp. If frame_pointer_needed and argp/framep has
5355 been eliminated to hard frame pointer, set
5356 hard_frame_pointer_adjustment and call vt_init_cfa_base after
5357 encountering fp setter in the prologue. For MO_ADJUST, call
5358 log_op_type before pusing the op into mos vector, not afterwards.
5359 Call adjust_insn before cselib_process_insn/add_with_sets,
5360 call cancel_changes (0) afterwards.
5361 (variable_tracking_main_1): Adjust for vt_initialize calling
5362 vt_stack_adjustments and returning whether it succeeded or not.
5364 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
5366 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
5369 2010-03-15 Jakub Jelinek <jakub@redhat.com>
5371 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
5373 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
5374 drap_reg has not been set.
5376 2010-03-15 Michael Matz <matz@suse.de>
5379 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
5380 use it to expand block copies.
5381 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
5382 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
5383 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
5385 2010-03-15 Richard Guenther <rguenther@suse.de>
5387 PR tree-optimization/43367
5388 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
5391 2010-03-15 Richard Guenther <rguenther@suse.de>
5393 PR tree-optimization/43317
5394 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
5396 2010-03-15 Martin Jambor <mjambor@suse.cz>
5398 PR tree-optimization/43141
5399 * tree-sra.c (create_abstract_origin): New function.
5400 (modify_function): Call create_abstract_origin.
5402 2010-03-15 Chris Demetriou <cgd@google.com>
5404 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
5407 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5410 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
5411 call insert_out_of_ssa_copy for default definitions.
5413 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5415 * graphite-clast-to-gimple.c (my_long_long): Defined.
5416 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
5417 * graphite-sese-to-poly.c (my_long_long): Defined.
5418 (scop_ivs_can_be_represented): Use it.
5420 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5422 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
5423 graphite-max-bbs-per-function, and loop-block-tile-size.
5424 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
5426 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
5428 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5430 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
5431 forward declaration.
5432 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
5433 (add_upper_bounds_from_estimated_nit): New.
5434 (build_loop_iteration_domains): Use it.
5436 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5438 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
5440 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5443 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
5444 should be an INTEGER_CST. Also handle CASE_CONVERT.
5446 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5448 * graphite.c (graphite_initialize): To bound the number of bbs per
5449 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
5450 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
5451 * doc/invoke.texi: Document it.
5453 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5455 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
5456 * graphite-sese-to-poly.h (build_poly_scop): Same.
5458 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5460 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
5461 the number of parameters in the scop. Use as an upper bound
5462 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
5463 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
5464 * doc/invoke.texi: Document it.
5466 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
5468 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
5469 * doc/c-tree.texi: Remove.
5470 * doc/generic.texi: Merge c-tree.texi here.
5471 * doc/gccint.texi (Trees): Remove menu entry.
5472 (c-tree.texi): Remove @include.
5473 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
5474 * doc/languages.texi (Reading RTL): Ditto.
5476 2010-03-12 Steve Ellcey <sje@cup.hp.com>
5479 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
5481 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
5484 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
5485 code added to work around reload clobbering CONST insns.
5487 2010-03-12 Jakub Jelinek <jakub@redhat.com>
5489 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
5490 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
5491 (cselib_preserve_only_values): Remove retain argument, don't
5492 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
5493 * cselib.h (cselib_preserve_only_values): Remove retain argument.
5494 * var-tracking.c (micro_operation): Move insn field before union.
5495 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
5496 (struct variable_tracking_info_def): Remove n_mos field, change
5497 mos into a vector of micro_operations.
5498 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
5499 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
5500 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
5501 changing into a vector.
5502 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
5503 come before all other uops generated by add_stores.
5504 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
5506 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
5507 a vector. Run just one pass over the bbs instead of separate counting
5508 and computation phase.
5509 (vt_finalize): Free VTI (bb)->mos vector instead of array.
5512 * tree-inline.c (remap_decls): Put old_var rather than origin_var
5513 into *nonlocalized_list vector.
5514 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
5515 even if origin is non-NULL.
5516 (gen_variable_die): Likewise.
5517 (process_scope_var): Don't change origin.
5518 (gen_decl_die): Likewise.
5519 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
5520 before adding new edges instead of after it, fix moving over
5523 2010-03-11 David S. Miller <davem@davemloft.net>
5525 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
5527 * configure: Rebuild.
5529 2010-03-11 Martin Jambor <mjambor@suse.cz>
5531 PR tree-optimization/43257
5532 * tree.c (assign_assembler_name_if_neeeded): New function.
5533 (free_lang_data_in_cgraph): Assembler name assignment moved to the
5535 * tree.h (assign_assembler_name_if_neeeded): Declare.
5536 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
5537 the function if needed.
5539 2010-03-11 Chris Demetriou <cgd@google.com>
5541 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
5542 include/stdint-gcc.h, and include/stdint.h world-readable.
5544 2010-03-11 Richard Guenther <rguenther@suse.de>
5546 PR tree-optimization/43255
5547 * tree-vrp.c (process_assert_insertions_for): Do not insert
5548 asserts for trivial conditions.
5550 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5552 PR tree-optimization/43280
5553 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
5554 generation. Move calculation of size out of the if branch.
5555 (find_bswap): Modify compare number generation.
5557 2010-03-11 Richard Guenther <rguenther@suse.de>
5560 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
5561 (input_gimple_stmt): Fixup handled component types during
5562 operand read. Also fix up decls in ADDR_EXPRs.
5564 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
5566 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
5567 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
5569 2010-03-10 Jan Hubicka <jh@suse.cz>
5572 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
5573 * varasm.c (get_variable_section): Don't do that here...
5574 (make_decl_rtl): ... and here.
5575 (do_assemble_alias): Produce decl RTL.
5576 (assemble_alias): Likewise.
5578 2010-03-10 Jakub Jelinek <jakub@redhat.com>
5581 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
5582 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
5584 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
5585 (based_loc_descr): Only express drap or vdrap regno based expressions
5586 using DW_OP_fbreg when not optimizing.
5587 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
5588 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
5589 REG_CFA_SET_VDRAP note.
5591 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
5593 PR tree-optimization/43236
5594 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
5595 error in calculation of base address in reverse iteration case.
5596 (generate_builtin): Take number of latch executions if the statement
5599 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
5602 * tree-eh.c: Include pointer-set.h.
5603 (lower_eh_dispatch): Filter out duplicate case labels and
5604 remove the unneeded edge when the label is unused. Return
5605 true when some edges are removed.
5606 (execute_lower_eh_dispatch): When any lowering resulted in
5607 removing an edge, also delete unreachable blocks.
5609 2010-03-10 Jakub Jelinek <jakub@redhat.com>
5612 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
5613 UNSPEC_MACHOPIC_OFFSET.
5615 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
5618 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
5619 (m68k_delegitimize_address): New function.
5621 2010-03-09 Jakub Jelinek <jakub@redhat.com>
5624 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
5627 * var-tracking.c (adjust_sets): New function.
5628 (count_with_sets, add_with_sets): Use it.
5629 (get_adjusted_src): New inline function.
5630 (add_stores): Use it.
5633 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
5634 call cselib_dummy_expand_value_rtx_cb instead of
5635 cselib_expand_value_rtx_cb.
5638 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
5639 * config/i386/i386.c: Include debug.h and dwarf2out.h.
5640 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
5641 and .cfi_endproc around the pic thunks.
5642 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
5643 all queued unwind info register saves are saved before the call.
5644 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
5645 considered as sp-=4 for unwind info and the pop as sp+=4 which
5646 also clobbers dest, but doesn't actually restore it.
5649 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
5650 RTX_FRAME_RELATED_P.
5652 2010-03-09 Jie Zhang <jie@codesourcery.com>
5654 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
5655 whitespaces in output template.
5657 2010-03-09 Jie Zhang <jie@codesourcery.com>
5659 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
5662 2010-03-08 Jakub Jelinek <jakub@redhat.com>
5664 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
5665 builtins.exp in a separate job.
5667 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5669 * graphite-sese-to-poly.c (add_param_constraints): Use
5670 lower_bound_in_type and upper_bound_in_type.
5672 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5674 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
5675 instead of unsigned_type_node.
5677 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5678 Reza Yazdani <reza.yazdani@amd.com>
5681 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
5682 on pointer type parameters.
5684 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
5688 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
5689 handle conversions from pointer to integers.
5690 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
5691 induction variable, to be able to work with code generated by CLooG.
5692 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
5693 (build_poly_scop): Bail out if we cannot codegen a loop.
5695 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
5697 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
5698 code generation with gloog_error.
5700 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5702 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
5703 Call fold_convert on all the returned values.
5704 (expand_scalar_variables_expr): Pass to
5705 expand_scalar_variables_ssa_name the type of the resulting expression.
5707 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5709 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
5710 ppl_min_for_le_pointset.
5711 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
5712 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
5714 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5716 * graphite-dependences.c (map_into_dep_poly): Removed.
5717 (dependence_polyhedron_1): Use combine_context_id_scat.
5719 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5721 * graphite-poly.h (struct poly_scattering): Add layout documentation.
5722 (struct poly_bb): Same.
5723 (combine_context_id_scat): New.
5725 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5728 * sese.c (name_defined_in_loop_p): Return false for default
5731 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5733 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
5734 and clean up the logic.
5736 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5738 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
5741 2010-03-08 Jakub Jelinek <jakub@redhat.com>
5743 * var-tracking.c (remove_cselib_value_chains): Define only for
5745 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
5746 delete_slot_part, emit_notes_for_differences_1): Don't call
5747 remove_cselib_value_chains here.
5748 (set_slot_part, emit_notes_for_differences_2): Don't call
5749 add_cselib_value_chains here.
5750 (preserved_values): New vector.
5751 (preserve_value): New function.
5752 (add_uses, add_stores, vt_add_function_parameters): Use it
5753 instead of cselib_preserve_value.
5754 (changed_values_stack): New vector.
5755 (check_changed_vars_0): New function.
5756 (check_changed_vars_1, check_changed_vars_2): Use it.
5757 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
5758 changed_values_stack VALUEs.
5759 (vt_emit_notes): For all preserved_values call
5760 add_cselib_value_chains. If ENABLE_CHECKING call
5761 remove_cselib_value_chains before verifying value_chains is empty.
5762 Initialize and free changed_values_stack.
5763 (vt_initialize): Initialize preserved_values.
5764 (vt_finalize): Free preserved_values.
5766 2010-03-08 Richard Guenther <rguenther@suse.de>
5768 PR tree-optimization/43269
5769 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
5772 2010-03-08 Martin Jambor <mjambor@suse.cz>
5774 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
5775 (ipa_is_param_called): Removed.
5776 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
5777 (ipa_print_node_params): Do not print the called flag.
5778 (ipa_write_node_info): Do not stream the called flag.
5779 (ipa_read_node_info): Likewise.
5781 2010-03-07 Jakub Jelinek <jakub@redhat.com>
5784 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
5785 * cselib.c (struct expand_value_data): Add dummy field.
5786 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
5788 (cselib_dummy_expand_value_rtx_cb): New function.
5789 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
5791 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
5792 * var-tracking.c: Include pointer-set.h.
5793 (variable): Change n_var_parts to char from int. Add
5794 cur_loc_changed and in_changed_variables fields.
5795 (variable_canonicalize): Remove.
5796 (shared_var_p): New inline function.
5797 (unshare_variable): Maintain cur_loc_changed and
5798 in_changed_variables fields. If var was in changed_variables,
5799 replace it there with new_var. Just copy cur_loc instead of
5800 resetting it to something else.
5801 (variable_union): Don't recompute cur_loc. Use shared_var_p.
5802 (dataflow_set_union): Don't call variable_canonicalize.
5803 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
5804 of their DEBUG_EXPR_TREE_DECLs.
5805 (canonicalize_loc_order_check): Verify that cur_loc is NULL
5806 and in_changed_variables and cur_loc_changed is false.
5807 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
5808 and cur_loc_changed. Don't update cur_loc here.
5809 (variable_merge_over_src): Don't call variable_canonicalize.
5810 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
5811 removing loc that is equal to cur_loc, clear cur_loc,
5812 set cur_loc_changed and ensure variable_was_changed is called.
5813 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
5814 compare pointers in cur_loc check, if it is equal to loc,
5815 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
5816 (variable_different_p): Remove compare_current_location argument,
5817 don't compare cur_loc.
5818 (dataflow_set_different_1): Adjust variable_different_p caller.
5819 (variable_was_changed): If dv had some var in changed_variables
5820 already, reset in_changed_variables flag for it and propagate
5821 cur_loc_changed over to the new variable. On empty var
5822 always set cur_loc_changed. Set in_changed_variables on whatever
5823 var is added to changed_variables.
5824 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
5825 Use shared_var_p. When removing loc that is equal to cur_loc,
5826 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
5827 end, don't set it to something else, just call variable_was_changed.
5828 (delete_slot_part): Use shared_var_p. When cur_loc equals to
5829 loc being removed, clear cur_loc and set cur_loc_changed.
5830 Set cur_loc_changed if all locations have been removed.
5831 (struct expand_loc_callback_data): New type.
5832 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
5833 allocated. Always create SUBREGs if simplify_subreg failed.
5834 Prefer to use cur_loc, when that fails and still in
5835 changed_variables (and seen first time) recompute it. Set
5836 cur_loc_changed of variables which had to change cur_loc and
5837 compute elcd->cur_loc_changed if any of the subexpressions used
5838 had to change cur_loc.
5839 (vt_expand_loc): Adjust to pass arguments in
5840 expand_loc_callback_data structure.
5841 (vt_expand_loc_dummy): New function.
5842 (emitted_notes): New variable.
5843 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
5844 that weren't used for any other decl in current
5845 emit_notes_for_changes call call vt_expand_loc_dummy to update
5846 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
5847 first loc_chain location if NULL before. Always use just
5848 cur_loc instead of first loc_chain location. When cur_loc_changed
5849 is false, when not --enable-checking=rtl just don't emit any note.
5850 When rtl checking, compute the note and assert it is the same
5851 as previous note. Clear cur_loc_changed and in_changed_variables
5852 at the end before removing from changed_variables.
5853 (check_changed_vars_3): New function.
5854 (emit_notes_for_changes): Traverse changed_vars to call
5855 check_changed_vars_3 on each changed var.
5856 (emit_notes_for_differences_1): Clear cur_loc_changed and
5857 in_changed_variables. Recompute cur_loc of new_var.
5858 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
5859 (vt_emit_notes): Initialize and destroy emitted_notes.
5861 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
5863 PR rtl-optimization/42220
5864 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
5865 Use verify_reg_tracked to determine if we should use OP_OUT rather
5867 (build_def_use): If we see an in-out operand for a register that we
5868 know nothing about, treat is an output if possible, fail the block if
5871 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
5874 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
5877 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
5880 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
5881 uses of relevant DEFs that are dead outside the loop too.
5883 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
5885 * var-tracking.c (dataflow_set_merge): Swap src and src2.
5887 2010-01-13 Jakub Jelinek <jakub@redhat.com>
5889 * var-tracking.c (values_to_unmark): New variable.
5890 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
5891 values_to_unmark vector. Moved body to...
5892 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
5893 instead queue it into values_to_unmark vector.
5894 (vt_find_locations): Free values_to_unmark vector.
5896 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
5898 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
5899 (site.exp): Export them when plugins are enabled.
5901 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
5904 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
5906 (chrec_fold_multiply): Same.
5908 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
5911 * c-decl.c (build_compound_literal): Return early if init is
5914 2010-03-04 Martin Jambor <mjambor@suse.cz>
5916 PR tree-optimization/43164
5917 PR tree-optimization/43191
5918 * tree-sra.c (type_consists_of_records_p): Reject records with
5919 zero-size bit-fields at the end.
5921 2010-03-04 Mike Stump <mikestump@comcast.net>
5923 * Makefile.in (TAGS): Remove *.y.
5925 2010-03-04 Richard Guenther <rguenther@suse.de>
5927 PR tree-optimization/40761
5928 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
5930 (my_rev_post_order_compute): New function.
5931 (init_pre): Call it.
5933 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
5936 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
5937 decrease the cost of an IV candidate when the cost is infinite.
5939 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5941 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
5942 Use '3DNow!' for the extension of that name, ensure normal space
5944 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
5946 2010-03-03 Jeff Law <law@redhat.com>
5948 * PR middle-end/32693
5949 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
5950 than gen_rtx_SUBREG.
5951 (extract_bit_field_1): Likewise.
5953 2010-03-03 Janis Johnson <janis187@us.ibm.com>
5955 * doc/sourcebuild.texi (Test directives): Document that arguments
5956 include-opts and exclude-opts are now optional for dg-skip-if,
5957 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
5959 2010-03-03 Jason Merrill <jason@redhat.com>
5962 * cgraph.h (varpool_node): Add extra_name field.
5963 * varpool.c (varpool_extra_name_alias): New.
5964 (varpool_assemble_decl): Emit extra name aliases.
5965 (varpool_mark_needed_node): Look past an extra name alias.
5966 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
5967 * lto-streamer-in.c (lto_input_tree): Read it.
5968 * lto-streamer-out.c (output_unreferenced_globals): Write it.
5970 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
5972 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
5973 (sparc*-*-solaris2*): ...this.
5975 2010-03-03 Jakub Jelinek <jakub@redhat.com>
5978 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
5979 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
5980 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
5981 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
5984 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
5985 fallthrough to default handling, just with want_address 0 instead of 2.
5986 For single element lists, add_AT_loc directly, otherwise create an
5987 artificial variable DIE and stick location list to it.
5990 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
5991 (VAL_EXPR_HAS_REVERSE): Define.
5992 (reverse_op): New function.
5993 (add_stores): For reversible operations add an extra MO_VAL_USE.
5995 2010-03-02 Jason Merrill <jason@redhat.com>
5997 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
5999 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
6001 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
6002 (sparc64-*-linux*): Likewise.
6003 (sparc64-*-solaris2*): Include assembler files before linker ones.
6004 (sparc-*-solaris2*): Simplify and reorder to match previous case.
6005 * config/sparc/gas.h: Delete.
6006 * config/sparc/sol2-64.h: Add copyright notice.
6007 * config/sparc/sol2-gas-bi.h: Likewise.
6008 * config/sparc/sol2-gld.h: Likewise.
6009 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
6010 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
6011 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
6012 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
6013 (sparc_elf_asm_named_section): Rename into...
6014 (sparc_solaris_elf_asm_named_section): ...this. Always define.
6016 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
6018 * config/alpha/alpha.c (override_options): Fix -mtune error message.
6020 2010-03-02 Jeff Law <law@redhat.com>
6023 * reload1.c (rtx_p, substitute_stack): Declare.
6024 (substitute): Record addresses of changed rtxs.
6025 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
6026 Restore the original rtx when complete.
6027 (reload): Free subsitute_stack when complete.
6029 2010-03-02 Janis Johnson <janis187@us.ibm.com>
6031 * doc/gccint.texi (menu): Add Testsuites as a chapter.
6032 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
6034 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
6035 LTO Testing, gcov Testing, profopt Testing, compat Testing,
6036 Torture Tests): Change from subsection to section.
6038 2010-03-02 Jakub Jelinek <jakub@redhat.com>
6039 Steven Bosscher <steven@gcc.gnu.org>
6041 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
6044 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
6047 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
6048 the assignment from the new induction variable to the assignment
6049 of the value from the original loop PHI function.
6051 2010-03-01 Janis Johnson <janis187@us.ibm.com>
6052 Daniel Jacobowitz <dan@codesourcery.com>
6054 * doc/sourcebuild.texi (Test directives): Clarify options to
6057 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6059 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
6060 Disable cfi directives unless GCC and gas agree on using read-only
6061 .eh_frame sections for 64-bit.
6062 * configure: Regenerate.
6064 2010-03-01 Richard Guenther <rguenther@suse.de>
6066 PR tree-optimization/43220
6067 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
6068 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
6070 2010-03-01 Richard Guenther <rguenther@suse.de>
6071 Martin Jambor <mjambor@suse.cz>
6074 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
6075 gimplified parameters.
6077 2010-03-01 Christian Bruel <christian.bruel@st.com>
6079 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
6081 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
6083 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
6085 2010-03-01 Richard Guenther <rguenther@suse.de>
6088 * expr.c (expand_assignment): Use the alias-oracle to tell
6089 if the rhs aliases the result decl.
6091 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6094 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
6095 to sol_gt_pch_get_address.
6096 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
6097 64-bit, SPARC and x86.
6098 (sol_gt_pch_get_address): New function.
6100 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
6102 * toplev.h (inform_n, error_n): Declare.
6103 * diagnostic.c (inform_n, error_n): New function.
6105 2010-03-01 Jakub Jelinek <jakub@redhat.com>
6107 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
6108 has no rtl yet when processing local_decls, queue it and recheck
6109 if deferred stack allocation hasn't assigned it rtl.
6111 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
6113 * config/sh/sh.c (unspec_bbr_uid): New.
6114 (gen_block_redirect): Use it instead of INSN_UID.
6115 (gen_far_branch): Likewise.
6117 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
6119 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
6120 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
6122 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6124 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
6125 (Warning Options): -Wno-conversion-null is valid for
6126 Objective-C++ as well.
6127 * doc/tm.texi (Named Address Spaces): Likewise.
6128 * doc/plugins.texi (Plugins): Replace TABs with spaces.
6129 * doc/tree-ssa.texi (Tree SSA): Likewise.
6131 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
6134 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
6135 by default. Don't set the default arch for
6136 i[34567]86-*-darwin*|x86_64-*-darwin*.
6138 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
6141 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
6142 default. Set the default 32bit/64bit archs with $with_arch
6143 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
6145 2010-02-27 Richard Guenther <rguenther@suse.de>
6147 PR tree-optimization/43186
6148 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
6149 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
6150 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
6151 unroller iterations.
6153 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
6155 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
6156 required and i[34567]86-*-* targets don't support 64bit ISA.
6158 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
6161 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
6164 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
6166 * config.gcc: Set the default arch at least to Prescott for
6167 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
6168 if SSE math is enabled.
6170 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
6172 * diagnostic.c (diagnostic_initialize): Update.
6173 (diagnostic_report_diagnostic): Test inhibit_notes_p for
6175 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
6176 (diagnostic_inhibit_notes): New.
6177 * toplev.c (process_options): inhibit notes with -fcompare-debug.
6179 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
6182 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
6183 * doc/standards.texi: Likewise.
6184 * doc/extend.texi: Likewise.
6185 * doc/trouble.texi: Likewise.
6186 * doc/cppopts.texi: Likewise.
6187 * doc/install.texi: Likewise.
6188 * c.opt (std=c90,std=gnu90): New options.
6189 * c-opts.c (c_common_handle_option): Handle them.
6191 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
6194 * c-decl.c (undeclared_variable): Use an informative note.
6196 2010-02-26 Richard Guenther <rguenther@suse.de>
6198 PR tree-optimization/43186
6199 * gimple.h (gimple_fold): Remove.
6200 * gimple.c (gimple_fold): Remove. Inline into single user ...
6201 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
6202 Try harder for conditions.
6204 2010-02-26 Jakub Jelinek <jakub@redhat.com>
6207 * function.c (used_types_insert): Don't skip through named pointer
6208 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
6209 and it is different from the main variant's type.
6211 2010-02-26 Nick Clifton <nickc@redhat.com>
6213 * config/rx/rx.md (sminsi3): Remove bogus alternative.
6215 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
6217 * config.gcc: Support --with-fpmath=sse for x86.
6219 * config/i386/ssemath.h: New.
6221 * doc/install.texi (--with-fpmath=sse): Documented.
6223 2010-02-26 Richard Guenther <rguenther@suse.de>
6225 PR tree-optimization/43188
6226 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
6227 vector types of over-aligned element type.
6229 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
6232 * config/i386/i386.c (expand_vec_perm_blend): Use correct
6233 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
6235 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
6237 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
6239 2010-02-26 Jakub Jelinek <jakub@redhat.com>
6241 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
6242 * var-tracking.c: Include diagnostic.h.
6243 (debug_dv): New function.
6244 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
6247 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
6248 (add_value_chain, add_value_chains, remove_value_chain,
6249 remove_value_chains): Handle DEBUG_EXPRs.
6250 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
6253 * regcprop.c (struct queued_debug_insn_change): New type.
6254 (struct value_data_entry): Add debug_insn_changes field.
6255 (struct value_data): Add n_debug_insn_changes field.
6256 (debug_insn_changes_pool): New variable.
6257 (free_debug_insn_changes, apply_debug_insn_changes,
6258 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
6259 (kill_value_one_regno): Call free_debug_insn_changes if needed.
6260 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
6262 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
6264 (copyprop_hardreg_forward_1): Don't call apply_change_group for
6265 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
6266 changes, call cprop_find_used_regs via note_stores.
6267 (copyprop_hardreg_forward): When copying vd from predecessor
6268 which has any queued DEBUG_INSN changes, make sure the pointers are
6269 cleared. At the end call df_analyze and then if there are any
6270 DEBUG_INSN changes queued at the end of some basic block for still
6271 live registers, apply them.
6272 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
6274 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
6276 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
6279 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
6281 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
6282 targets. Set the default with_cpu/with_arch from arch/cpu.
6283 Allow x86-64 and native for with_cpu/with_arch.
6285 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
6287 * ebitmap.c: Change calls to verify_popcount with calls to
6288 sbitmap_verify_popcount.
6289 (ebitmap_clear_bit): Fixed map->cacheindex test and
6290 map>cache update when bit clearing results in an empty
6293 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
6296 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
6297 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
6298 and support both V2DF and V2DI modes.
6299 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
6300 support both V2DF and V2DI modes.
6301 (general): Delete trailing whitespace from a few patterns.
6303 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
6304 V2DF/V2DI interleave high/low builtins.
6306 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
6309 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
6310 interleave high/low functions.
6312 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
6314 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
6315 #pragma extern_prefix.
6317 2010-02-25 Jakub Jelinek <jakub@redhat.com>
6320 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
6321 BLKmode, assert op0 is a MEM and just adjust its mode.
6324 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
6325 if bitpos isn't multiple of mode's bitsize.
6327 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
6329 * c.opt (-ftemplate-depth=): New.
6330 (-ftemplate-depth-): Deprecate.
6331 * optc-gen.awk: Handle -ftemplate-depth=.
6332 * opth-gen.awk: Likewise.
6333 * c-opts.c (c_common_handle_option): Likewise.
6334 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
6336 2010-02-24 Jason Merrill <jason@redhat.com>
6338 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
6340 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6342 * cfg.c (alloc_aux_for_block): Remove inline.
6343 (alloc_aux_for_edge): Likewise.
6345 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6347 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
6349 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6351 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
6352 * config/i386/sol2-gas.h: New file.
6353 * config.gcc (i[34567]86-*-solaris2*): Use it.
6355 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
6358 * c-typeck.c (ep_convert_and_check): New.
6359 (build_conditional_expr): Use it.
6360 (build_binary_op): Likewise.
6362 2010-02-24 Jakub Jelinek <jakub@redhat.com>
6364 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
6367 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
6368 bounds even for -O+.
6369 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
6370 expr needs to have DECL_NAME set.
6372 2010-02-24 Nick Clifton <nickc@redhat.com>
6374 * config/mep/mep.c: Include gimple.h.
6375 (mep_function_uses_sp): Delete unused function.
6376 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
6377 parameters. Use unsigned integers to count args. Return a
6378 NULL_RTX instead of an error_mark_node. Toidy up formatting.
6380 2010-02-23 Jakub Jelinek <jakub@redhat.com>
6383 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
6384 greater or equal to nelt instead of 2 * nelt.
6385 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
6388 2010-02-23 Jason Merrill <jason@redhat.com>
6391 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
6392 in cfun->local_decls even if they have register types.
6395 * stor-layout.c (place_field): Don't warn about unnecessary
6396 DECL_PACKED if the type is packed.
6398 2010-02-23 Jakub Jelinek <jakub@redhat.com>
6401 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
6402 GOTOFF relocs, even when the base reg isn't pic pointer.
6404 2010-02-23 Michael Matz <matz@suse.de>
6407 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
6408 (expand_gimple_basic_block): Generate and use debug temps if there
6409 are debug uses left after the last real use of TERed ssa names.
6410 Unlink debug immediate uses when they are expanded.
6412 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
6415 * config/i386/i386.c (override_options): Reorganise to provide
6416 better error messages.
6418 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
6421 * graphite-scop-detection.c (create_single_exit_edge): Move
6422 the call to find_single_exit_edge to....
6423 (create_sese_edges): ...here. Don't handle multiple edges
6424 exiting the function.
6425 (build_graphite_scops): Don't handle multiple edges
6426 exiting the function.
6428 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
6431 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
6432 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
6434 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
6437 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
6439 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
6442 * c-typeck.c (convert_arguments): Print declaration location.
6443 * c-common.c (validate_nargs): Rename as
6444 builtin_function_validate_nargs.
6445 (check_builtin_function_arguments): Update.
6447 2010-02-22 Richard Guenther <rguenther@suse.de>
6450 * tree-inline.c (declare_return_variable): Use the type of
6451 the call stmt lhs if available.
6453 2010-02-22 Duncan Sands <baldrick@free.fr>
6455 * passes.c (register_pass): Always consider all pass lists when
6456 ref_pass_instance_number is zero.
6458 2010-02-22 Richard Guenther <rguenther@suse.de>
6460 PR tree-optimization/42749
6461 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
6462 parameter. Do arithmetic in the original type.
6463 (update_accumulator_with_ops): Likewise.
6464 (adjust_accumulator_values): Adjust.
6466 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6468 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
6469 (QI to BLKmode splitter): New splitter.
6471 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
6473 * config/i386/i386.c (initial_ix86_tune_features): Turn on
6474 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
6476 2010-02-22 Richard Guenther <rguenther@suse.de>
6478 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
6480 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
6482 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
6483 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
6484 ($(T)crti.o, $(T)crtn.o): Remove rules.
6486 2010-02-21 Tobias Burnus <burnus@net-b.de>
6489 * doc/invoke.texi (-fassociative-math): Document that this
6490 option is automatically enabled for Fortran.
6492 2010-02-20 David S. Miller <davem@davemloft.net>
6494 * configure.ac: Test if linker and assembler properly support
6495 GOTDATA_OP relocations.
6496 * configure: Rebuild.
6497 * config.in: Likewise.
6498 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
6499 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
6500 (movsi_high_pic): Likewise.
6501 (movdi_lo_sum_pic): Likewise.
6502 (movdi_high_pic): Likewise.
6503 (movsi_pic_gotdata_op): New pattern.
6504 (movdi_pic_gotdata_op): Likewise.
6505 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
6506 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
6508 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
6511 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
6512 attribute to ssemul.
6513 (xop_mulv2div2di3_high): Ditto.
6515 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
6518 * c.opt (Wconversion-null): New option.
6519 * doc/invoke.texi (Wconversion-null): Document.
6521 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
6523 * common.opt (Wlarger-than-): Add Undocumented.
6525 2010-02-19 Mike Stump <mikestump@comcast.net>
6527 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
6529 2010-02-19 Jason Merrill <jason@redhat.com>
6532 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
6533 * configure: Likewise.
6535 2010-02-20 Alan Modra <amodra@gmail.com>
6538 * cgraph.h (cgraph_make_decl_local): Declare.
6539 * cgraph.c (cgraph_make_decl_local): New function.
6540 (cgraph_make_node_local): Use it.
6541 * cgraphunit.c (cgraph_function_versioning): Likewise.
6542 * ipa.c (function_and_variable_visibility): Likewise.
6544 2010-02-19 Jakub Jelinek <jakub@redhat.com>
6547 * except.c (sjlj_emit_function_enter): Don't call
6548 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
6550 * rtl.h (add_reg_br_prob_note): Remove prototype.
6552 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
6555 * c-common.c (conversion_warning): Remove widening conversions
6556 before checking the conversion of integers to reals.
6558 2010-02-19 Mike Stump <mikestump@comcast.net>
6561 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
6564 * cgraphunit.c (process_function_and_variable_attributes): Check
6565 DECL_PRESERVE_P instead of looking up attribute "used".
6566 * ipa-pure-const.c (check_decl): Likewise.
6567 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
6568 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
6569 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
6570 instead of attribute "used".
6571 * config/sol2-c.c (solaris_pragma_init): Likewise.
6572 (solaris_pragma_fini): Likewise.
6574 2010-02-19 Jakub Jelinek <jakub@redhat.com>
6576 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
6577 Use XCNEW instead of xcalloc.
6578 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
6579 XNEW instead of xmalloc.
6580 (get_fields): Use XNEWVEC instead of xmalloc.
6583 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
6584 populate vars array.
6585 (create_new_general_access): For debug stmts just reset value.
6586 (get_stmt_accesses): For accesses within debug stmts just record them
6587 using add_access_to_acc_sites instead of preventing the peeling or
6588 counting them as accesses.
6591 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
6593 2010-02-19 Richard Guenther <rguenther@suse.de>
6595 PR tree-optimization/42916
6596 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
6599 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
6601 * configure.ac: Replace all uses of changequote in macro arguments
6602 with proper quoting.
6604 2010-02-19 Jakub Jelinek <jakub@redhat.com>
6607 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
6609 2010-02-19 Richard Guenther <rguenther@suse.de>
6611 PR tree-optimization/42944
6612 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
6613 test for aliasing with errno.
6615 2010-02-19 Jakub Jelinek <jakub@redhat.com>
6618 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
6619 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
6620 * dojump.c: Include output.h.
6621 (inv): New inline function.
6622 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
6623 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
6624 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
6625 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
6626 argument, pass it down to other calls.
6627 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
6628 add REG_BR_PROB note to the conditional jump.
6629 * cfgexpand.c (add_reg_br_prob_note): Removed.
6630 (expand_gimple_cond): Don't call it, add the probability
6631 as last argument to jumpif_1/jumpifnot_1.
6632 * Makefile.in (dojump.o): Depend on output.h.
6633 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
6635 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
6636 * stmt.c (do_jump_if_equal): Likewise.
6637 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
6638 * loop-unswitch.c (compare_and_jump_seq): Likewise.
6639 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
6641 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
6642 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
6643 jumpifnot_1 callers.
6644 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
6646 (store_expr): Adjust jumpifnot caller.
6647 (store_constructor): Adjust jumpif caller.
6650 * gimplify.c (gimple_boolify): For __builtin_expect call
6651 gimple_boolify also on its first argument.
6653 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
6655 * configure.ac (gnu-unique-object): Wrap regexps using [] in
6657 (__stack_chk_fail): Ditto. Remove quadrigraphs.
6658 * configure: Regenerated.
6660 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
6662 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
6663 lang_hooks.types_compatible_p instead of comptypes.
6665 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
6667 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
6668 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
6669 if __prefer_thumb__ is defined.
6671 2010-02-18 Martin Jambor <mjambor@suse.cz>
6673 PR tree-optimization/43066
6674 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
6675 array with zero-sized element type.
6677 2010-02-18 Jakub Jelinek <jakub@redhat.com>
6679 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
6680 rtx, allocate struct var_loc_node here and return it to the
6681 caller, and only if it is actually needed.
6682 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
6683 move it earlier and return immediately if it returns NULL.
6685 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
6687 * config/sparc/gas.h: New file. Restore
6688 TARGET_ASM_NAMED_SECTION to its ELF default.
6689 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
6691 * config/sparc/sparc.c (sparc_elf_asm_named_section):
6692 Likewise. Add ATTRIBUTE_UNUSED to prototype.
6693 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
6694 after sparc/sysv4.h.
6696 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
6698 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
6700 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
6702 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
6703 patterns from predicated pattern.
6705 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
6708 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
6709 for insn mnemonic suffix.
6711 2010-02-17 Richard Guenther <rguenther@suse.de>
6713 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
6716 2010-02-17 Jakub Jelinek <jakub@redhat.com>
6719 * caller-save.c (save_call_clobbered_regs): If BB ends with
6720 a DEBUG_INSN, move any notes in between last real insn and the last
6721 DEBUG_INSN after the last DEBUG_INSN.
6723 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
6725 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
6726 Fix return type. Fix argument type. Explain meaning of return value.
6728 2010-02-16 Richard Guenther <rguenther@suse.de>
6730 PR tree-optimization/41043
6731 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
6732 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
6734 (vrp_visit_phi_node): ... but only for loop PHI nodes.
6736 2010-02-16 Ira Rosen <irar@il.ibm.com>
6738 PR tree-optimization/43074
6739 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
6740 * tree-vect-loop.c (vect_analyze_loop_operations): Add
6741 vectorizable cycles in hybrid SLP check.
6742 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
6744 2010-02-16 Richard Guenther <rguenther@suse.de>
6746 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
6747 (true_dependence): If memrefs_conflict_p computes must-alias
6748 trust it. Move TBAA check after offset-based disambiguation.
6749 (canon_true_dependence): Likewise.
6751 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
6753 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
6754 * doc/invoke.texi: Document it.
6755 * var-tracking.c: Include toplev.h and params.h.
6756 (vt_find_locations): Return bool indicating success. Compute
6757 hash sizes unconditionally. Check new parameter, report.
6758 (variable_tracking_main_1): Check vt_find_locations results and
6759 retry. Renamed from...
6760 (variable_tracking_main): ... this. New wrapper to preserve
6761 flag_var_tracking_assignments.
6762 * Makefile.in (var-tracking.o): Adjust dependencies.
6764 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
6765 Jakub Jelinek <jakub@redhat.com>
6768 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
6769 if weak_import attribute is present.
6770 * config/darwin.c (machopic_select_section): Likewise.
6772 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
6774 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
6775 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
6776 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
6777 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
6779 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
6782 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
6785 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
6786 Rewrite text to refer to the names.
6788 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
6790 * config/i386/i386-builtin-types.def
6791 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
6792 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
6793 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
6794 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
6795 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
6796 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
6797 IX86_BUILTIN_VPERMIL2PS256.
6798 (MULTI_ARG_4_DF2_DI_I): Defined.
6799 (MULTI_ARG_4_DF2_DI_I1): Defined.
6800 (MULTI_ARG_4_SF2_SI_I): Defined.
6801 (MULTI_ARG_4_SF2_SI_I1): Defined.
6802 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
6803 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
6804 __builtin_ia32_vpermil2ps256.
6805 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
6806 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
6807 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
6808 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
6809 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
6810 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
6811 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
6812 CODE_FOR_xop_vpermil2v8sf3.
6813 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
6814 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
6815 * config/i386/xopintrin.h (_mm_permute2_pd): New.
6816 (_mm256_permute2_pd): New.
6817 (_mm_permute2_ps): New.
6818 (_mm256_permute2_ps): New.
6820 2010-02-15 Nick Clifton <nickc@redhat.com>
6822 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
6823 boolean parameters. Use emit_jump_insn when emitting a pop
6824 instruction containing a return insn.
6825 (push): Use 'true' rather than '1' as second parameter to F.
6826 (h8300_expand_prologue): Likewise.
6827 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
6828 (h8300_expand_epilogue): Likewise.
6830 2010-02-15 Richard Guenther <rguenther@suse.de>
6833 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
6836 2010-02-15 Nick Clifton <nickc@redhat.com>
6838 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
6841 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
6843 * intl.c (fake_ngettext): New function.
6844 * intl.h (fake_ngettext): Declare.
6845 (ngettext): Define macro.
6846 * collect2.c (notice_translated): New function.
6847 (main): Use notice_translated and ngettext.
6848 * collect2.h (notice_translated): Declare.
6850 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
6852 * reorg.c (delete_computation): Comment fixes.
6853 * caller-save.c (setup_save_areas): Idem.
6854 * sel-sched-dump.c (dump_lv_set): Idem.
6857 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6859 * config/s390/s390.c (s390_sched_init): New function.
6860 (TARGET_SCHED_INIT): Target hook defined.
6862 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
6863 Jack Howarth <howarth@bromo.med.uc.edu>
6864 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
6867 Partial revert of unintended change in fix for PR41605.
6868 * config/darwin.h: Fix typo.
6869 * config/darwin9.h: Same.
6871 2010-02-11 Jakub Jelinek <jakub@redhat.com>
6873 * c-pch.c (pch_init): Clear v.
6875 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6878 * graphite-scop-detection.c (graphite_can_represent_scev): Call
6879 graphite_can_represent_init for MULT_EXPR.
6881 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6885 * graphite-sese-to-poly.c (remove_phi): New.
6886 (translate_scalar_reduction_to_array): Call remove_phi.
6888 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6891 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
6892 * graphite-clast-to-gimple.h (gloog): Update declaration.
6893 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
6894 * graphite-poly.h (struct poly_bb): Add missing comments.
6895 (struct scop): Add poly_scop_p field.
6897 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
6898 * graphite.c (graphite_transform_loops): Build the polyhedral
6899 representation for each scop before code generation.
6900 * sese.c (rename_variables_in_operand): Removed.
6901 (rename_variables_in_expr): Return the renamed expression.
6902 (rename_sese_parameters): New.
6903 * sese.h (rename_sese_parameters): Declared.
6905 2010-02-11 Richard Guenther <rguenther@suse.de>
6907 PR tree-optimization/42998
6908 * tree-ssa-pre.c (create_expression_by_pieces): Treat
6909 POINTER_PLUS_EXPR properly.
6911 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6912 Changpeng Fang <changpeng.fang@amd.com>
6915 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
6916 the cost of an IV candidate when the IV is used in a test against zero.
6918 * gcc.dg/tree-ssa/ivopts-3.c: New.
6920 2010-02-11 Richard Guenther <rguenther@suse.de>
6923 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
6924 pointer-vs-decl case by swapping refs. Handle some cases
6925 of pointer-vs-decl disambiguations more conservatively.
6926 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
6927 to false after expanding.
6929 2010-02-11 Richard Guenther <rguenther@suse.de>
6932 * gcc.c (process_command): Handle LTO file@offset case more
6935 2010-02-11 Jakub Jelinek <jakub@redhat.com>
6937 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
6938 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
6940 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
6942 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
6943 if MEM's mode size isn't DWARF2_ADDR_SIZE.
6944 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
6945 Optimize eq/ne comparisons when both arguments are known to be
6947 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
6948 Don't mask operands unnecessarily if they are known to be already
6951 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
6953 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
6956 2010-02-10 Richard Guenther <rguenther@suse.de>
6958 PR tree-optimization/43017
6959 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
6960 for wrapping signed arithmetic.
6962 2010-02-10 Jakub Jelinek <jakub@redhat.com>
6965 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
6966 if no debug info should be emitted for it.
6968 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
6970 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
6971 note when flag_exceptions is set.
6973 2010-02-10 Duncan Sands <baldrick@free.fr>
6975 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
6977 2010-02-10 Richard Guenther <rguenther@suse.de>
6980 * tree.c (get_unwidened): Handle constants.
6981 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
6983 2010-02-10 Martin Jambor <mjambor@suse.cz>
6986 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
6987 check for variable argument counts independently.
6989 2010-02-10 Christian Bruel <christian.bruel@st.com>
6992 * config/sh/sh.c (find_barrier): Increase length for non delayed
6993 conditional branches.
6995 2010-02-10 Christian Bruel <christian.bruel@st.com>
6997 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
6999 2010-02-10 Jakub Jelinek <jakub@redhat.com>
7001 * builtins.c (set_builtin_user_assembler_name): Also handle
7002 ffs if int is smaller than word.
7004 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
7007 * ira-conflicts.c (get_dup): Remove.
7008 (process_reg_shuffles): Add new parameter. Use it as an
7009 additional guard for copy generation.
7010 (add_insn_allocno_copies): Rewrite.
7012 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
7014 * common.opt (fsched2-use-traces): Preserved for backward
7016 * doc/invoke.texi: Remove the documentation about option
7017 -fsched2-use-traces.
7018 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
7019 flag_sched2_use_traces.
7020 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
7021 the backward compatibility flag section.
7023 2010-02-09 Richard Guenther <rguenther@suse.de>
7025 PR tree-optimization/43008
7026 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
7027 make HEAP variables initialized from global memory if they
7028 are not known builtin functions.
7029 (find_func_aliases): Adjust.
7031 2010-02-09 Richard Guenther <rguenther@suse.de>
7033 PR tree-optimization/43000
7034 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
7035 arithmetic manually.
7037 2010-02-08 Jakub Jelinek <jakub@redhat.com>
7039 PR tree-optimization/42931
7040 * tree-loop-linear.c (try_interchange_loops): Don't call
7041 double_int_mul if estimated_loop_iterations failed.
7043 2010-02-08 Martin Jambor <mjambor@suse.cz>
7046 * tree-sra.c (build_accesses_from_assign): Do not mark in
7047 should_scalarize_away_bitmap if stmt has volatile ops.
7048 (sra_modify_assign): Do not process assigns piecemeal if if stmt
7051 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
7053 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
7055 2010-02-07 Adam Nemet <adambnmet@gmail.com>
7057 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
7060 2010-02-07 Andrew Pinski <pinskia@gmail.com>
7063 * df-core.c (df_finish_pass): Change type of saved_flags to int.
7065 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
7068 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
7069 to unknown_dependence.
7070 (graphite_legal_transform_dr): Handle the unknown_dependence.
7071 (graphite_carried_dependence_level_k): Same.
7073 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
7075 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
7077 2010-02-07 Richard Guenther <rguenther@suse.de>
7080 * expr.c (get_inner_reference): Always initialize *pbitsize.
7082 2010-02-07 Richard Guenther <rguenther@suse.de>
7085 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
7086 new ARRAY_REFs on variable size element or minimal index arrays.
7088 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
7089 gimple_fold_indirect_ref.
7091 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
7094 * arm.c (arm_override_options): Just return if the user has specified
7095 an invalid fpu name.
7097 2010-02-03 Jason Merrill <jason@redhat.com>
7100 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
7101 i386_pe_maybe_record_exported_symbol.
7103 2010-02-05 Steve Ellcey <sje@cup.hp.com>
7106 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
7107 (pa_delegitimize_address): New function.
7109 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
7111 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
7112 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
7114 2010-02-05 Richard Guenther <rguenther@suse.de>
7117 * lto-streamer-in.c (get_resolution): Deal with references
7118 to undefined functions.
7120 2010-02-05 Richard Guenther <rguenther@suse.de>
7122 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
7123 (fold_const_aggregate_ref): Likewise.
7124 (ccp_fold_stmt): Substitute loads.
7125 (maybe_fold_reference): Verify types before substituting.
7127 (fold_gimple_assign): Unshare properly.
7128 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
7130 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
7132 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
7133 for rs6000_gen_cell_microcode.
7135 2010-02-04 Richard Guenther <rguenther@suse.de>
7137 PR rtl-optimization/42952
7138 * dse.c (const_or_frame_p): Remove MEM handling.
7140 2010-02-04 Nick Clifton <nickc@redhat.com>
7142 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
7143 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
7144 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
7145 (mn10300_asm_output_mi_thunk): New function.
7146 (mn10300_can_output_mu_thunk): New function.
7147 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
7148 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
7149 (FUNCTION_ARG): Delete incorrect comment.
7151 2010-02-03 Jason Merrill <jason@redhat.com>
7154 * fold-const.c (operand_equal_p): Handle erroneous types.
7156 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
7158 * config/h8300/h8300.md (can_delay): Fix attibute condition.
7160 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
7162 PR rtl-optimization/42941
7163 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
7166 2010-02-03 Jason Merrill <jason@redhat.com>
7169 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
7171 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
7174 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
7175 (cselib_reset_table): Renamed from...
7176 (cselib_reset_table_with_next_value): ... this.
7177 (cselib_get_next_uid): Renamed from...
7178 (cselib_get_next_unknown_value): ... this.
7179 * cselib.c (next_uid): Renamed from...
7180 (next_unknown_value): ... this.
7181 (cselib_clear_table): Adjust.
7182 (cselib_reset_table): Adjust. Renamed from...
7183 (cselib_reset_table_with_next_value): ... this.
7184 (cselib_get_next_uid): Adjust. Renamed from...
7185 (cselib_get_next_unknown_value): ... this.
7186 (get_value_hash): Use hash.
7187 (cselib_hash_rtx): Likewise.
7188 (new_cselib_val): Adjust. Set and dump uid.
7189 (cselib_lookup_mem): Pass next_uid as hash.
7190 (cselib_subst_to_values): Likewise.
7191 (cselib_log_lookup): Dump uid.
7192 (cselib_lookup): Pass next_uid as hash. Adjust.
7193 (cselib_process_insn): Adjust.
7194 (cselib_init): Initialize next_uid.
7195 (cselib_finish): Adjust.
7196 (dump_cselib_table): Likewise.
7197 * dse.c (canon_address): Dump value uid.
7198 * print-rtl.c (print_rtx): Print value uid.
7199 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
7201 (dv_uid): New function, sort of renamed from...
7202 (dv_htab_hash): ... this, reimplemented in terms of it and...
7203 (dv_uid2hash): ... this. New.
7204 (variable_htab_eq): Drop excess assertions.
7205 (tie_break_pointers): Removed.
7206 (canon_value_cmp): Compare uids.
7207 (variable_post_merge_New_vals): Print uids.
7208 (vt_add_function_parameters): Adjust.
7209 (vt_initialize): Reset table. Adjust.
7211 2010-02-03 Richard Guenther <rguenther@suse.de>
7213 PR tree-optimization/42944
7214 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
7215 (call_may_clobber_ref_p_1): Likewise. Properly handle
7216 malloc and calloc clobbering errno.
7218 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
7220 * doc/invoke.texi: Fix name of sched1 dump.
7222 * opts.c (decode_options): Set flag_tree_switch_conversion
7223 only conditionally on optimize >= 2.
7225 * gcse.c: Assorted comment fixes in pass description.
7227 2010-02-03 Anthony Green <green@moxielogic.com>
7229 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
7230 nop padding in order to maintain alignment of storage location of
7231 target function address.
7232 (moxie_trampoline_init): Store target function address at newly
7234 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
7236 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
7238 2010-02-03 Richard Guenther <rguenther@suse.de>
7241 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
7243 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7245 * config.gcc: Reenable check for obsolete targets.
7246 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
7247 mips-sgi-irix6.[0-4]*.
7249 2010-02-02 Nick Clifton <nickc@redhat.com>
7251 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
7252 constant size of 4 as being the same as 0.
7253 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
7254 can take values in the range 0..4.
7256 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
7259 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
7260 as _darwin10_Unwind_FindEnclosingFunction().
7261 * libgcc-libsystem.ver: New.
7263 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
7266 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
7267 implicitly set registers.
7269 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
7271 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
7272 (arm_override_options): Allow automatic selection of the thread
7273 pointer register if thumb2.
7274 (legitimize_pic_address): Improve code sequences for Thumb2.
7275 (arm_call_tls_get_addr): Likewise.
7276 (legitimize_tls_address): Likewise.
7277 * arm.md (pic_load_addr_arm): Delete. Replace with ...
7278 (pic_load_addr_32bit): ... this. New named pattern.
7279 * thumb2.md (pic_load_addr_thumb2): Delete.
7280 (pic_load_dot_plus_four): Delete.
7281 (tls_load_dot_plus_four): New named pattern.
7283 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7286 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
7287 Document fix for TLS bug.
7289 2010-01-31 Richard Guenther <rguenther@suse.de>
7291 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
7292 conservatively correct.
7294 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7298 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7300 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
7302 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7304 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
7306 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
7308 * config.gcc: Adjust order of makefile fragments for mingw targets.
7310 2010-01-31 Richard Guenther <rguenther@suse.de>
7313 * gimplify.c (gimplify_init_constructor): For volatile LHS
7314 initialize a temporary.
7316 2010-01-31 Matthias Klose <doko@ubuntu.com>
7318 * configure.ac: Fix __stack_chk_fail check for cross builds configured
7320 * configure: Regenerate.
7322 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
7324 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
7325 the same alias set and their sizes different constantness.
7326 (aliasing_component_refs_p): Revert 2009-10-24 change.
7328 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7330 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
7333 2010-01-29 Richard Guenther <rguenther@suse.de>
7335 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
7336 Assert we successfully updated the call.
7338 2010-01-29 Jakub Jelinek <jakub@redhat.com>
7340 PR rtl-optimization/42889
7341 * df.h (df_set_bb_dirty_nonlr): New prototype.
7342 * df-core.c (df_set_bb_dirty_nonlr): New function.
7343 * df-scan.c (df_insn_rescan): Call it instead of
7344 df_set_bb_dirty for DEBUG_INSNs.
7346 2010-01-29 Richard Guenther <rguenther@suse.de>
7349 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
7350 quadratic behavior in most cases.
7352 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
7355 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
7356 in the call to gen_x86_movsicc_0_m1.
7358 2010-01-28 Richard Guenther <rguenther@suse.de>
7360 PR tree-optimization/42871
7361 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
7363 2010-01-28 Richard Guenther <rguenther@suse.de>
7365 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
7366 into call arguments.
7368 2010-01-28 Richard Guenther <rguenther@suse.de>
7371 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
7372 the forwarder if the destination is an EH landing pad.
7374 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
7376 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
7377 block list passed to gimple_duplicate_sese_tail.
7378 (parallelize_loops): Avoid parallelization when the function
7380 Avoid parallelization when the preheader is IRREDUCIBLE.
7381 Try to optimize when estimated_loop_iterations_int is unresolved.
7382 Add the loop's location to the dump file.
7383 * tree-cfg.c (add_phi_args_after_redirect): Remove.
7384 (gimple_duplicate_sese_tail): Remove the check for the latch.
7385 Redirect nexits to the exit block.
7386 Remove handling of the incoming edges to the latch.
7387 Redirect the backedge from the copied latch to the exit bb.
7389 2010-01-28 Michael Matz <matz@suse.de>
7392 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
7393 Wrap force_reg into a sequence, emit it before user.
7395 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
7397 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
7399 (arm_legacy_rev): Likewise.
7400 (thumb_legacy_rev): Likewise.
7402 2010-01-27 Jakub Jelinek <jakub@redhat.com>
7404 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
7405 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
7406 on MEM's address failed, try avoid_constant_pool_reference and
7407 recurse if it returned something different.
7408 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
7409 address, try avoid_constant_pool_reference and recurse if it
7410 returned something different.
7411 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
7412 address and avoid_constant_pool_reference returned something
7413 different, don't set have_address.
7415 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
7418 * var-tracking.c (val_store): Add modified argument, obey it.
7420 (count_uses): Move down logging of main.
7421 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
7422 don't need resolution.
7423 (emit_notes_in_bb): Likewise.
7425 2010-01-27 Richard Guenther <rguenther@suse.de>
7428 * tree-inline.c (remap_decl): Delay remapping of SSA name
7429 default definitions until we need them.
7431 2010-01-27 Jakub Jelinek <jakub@redhat.com>
7433 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
7434 (rs6000_delegitimize_address): New function.
7436 * config/s390/s390.c (s390_delegitimize_address): Call
7437 delegitimize_mem_from_attrs.
7440 * tree-inline.c (cannot_copy_type_1): Removed.
7441 (copy_forbidden): Don't forbid copying of functions containing
7442 records/unions with variable length fields.
7444 2010-01-27 Christian Bruel <christian.bruel@st.com>
7448 * config/sh/sh.c (find_barrier): Increase length for non delayed
7449 conditional branches.
7451 2010-01-27 Matthias Klose <doko@ubuntu.com>
7453 * configure.ac (gnu-unique-object): Fix ldd version check.
7454 * configure: Regenerate.
7456 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7458 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
7460 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
7461 Test for HAVE_GNU_AS value.
7463 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7465 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
7466 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
7467 INT64_TYPE): Define.
7468 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
7469 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7470 INT_LEAST64_TYPE): Define.
7471 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
7472 UINT_LEAST64_TYPE): Define.
7473 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
7474 INT_FAST64_TYPE): Define.
7475 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7476 UINT_FAST64_TYPE): Define.
7477 (INTMAX_TYPE, UINTMAX_TYPE): Define.
7478 (INTPTR_TYPE, UINTPTR_TYPE): Define.
7479 (SIG_ATOMIC_TYPE): Define.
7481 2010-01-26 Richard Guenther <rguenther@suse.de>
7483 * df-scan.c (df_scan_set_bb_info): Remove assert.
7484 (df_insn_rescan_debug_internal): Merge asserts.
7485 (df_install_ref): Likewise.
7486 (df_mark_reg): Use bitmap_set_range.
7487 (df_hard_reg_used_p): Remove assert.
7488 (df_hard_reg_used_count): Likewise.
7490 2010-01-26 Richard Guenther <rguenther@suse.de>
7492 PR rtl-optimization/42685
7493 * web.c (web_main): Ignore DEBUG_INSNs.
7495 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
7497 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
7499 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
7500 Fix types of fndecl and arglist parameters.
7502 2010-01-26 Richard Guenther <rguenther@suse.de>
7505 * tree-eh.c (unsplit_eh): Skip debug insns.
7507 2010-01-26 Richard Guenther <rguenther@suse.de>
7509 PR tree-optimization/42250
7510 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
7512 2010-01-26 Jakub Jelinek <jakub@redhat.com>
7515 * omp-low.c (expand_omp_sections): Only use single_pred if
7516 l2_bb is single_pred_p.
7518 2010-01-25 Christian Bruel <christian.bruel@st.com>
7521 * config/sh/sh.c (find_barrier): Increase length for non delayed
7522 conditional branches.
7523 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
7525 2010-01-24 David S. Miller <davem@davemloft.net>
7527 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
7528 define if not using GAS.
7529 * config/sparc/sparc.c (sparc_elf_asm_named_section):
7530 Likewise. Delete SECTION_MERGE code, which is only applicable
7533 2010-01-24 Mark Mitchell <mark@codesourcery.com>
7536 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
7537 mangling of va_list in system headers.
7539 2010-01-23 Toon Moene <toon@moene.org>
7541 * tree-predcom.c (combine_chains): Return NULL, not false.
7543 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
7545 * tree-loop-distribution.c (distribute_loop): Fix declaration and
7546 initialization of variable res to agree with return type.
7548 2010-01-22 Steve Ellcey <sje@cup.hp.com>
7550 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
7551 * tree-sra.c: Add include of expr.h.
7553 2010-01-22 Jakub Jelinek <jakub@redhat.com>
7555 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
7556 insert the debug stmt on the single non-EH edge from the stmt.
7558 2010-01-22 Richard Henderson <rth@redhat.com>
7561 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
7562 the RHS until after generate_subtree_copies has insertted its
7563 code before the current statement.
7565 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
7567 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
7569 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
7571 2010-01-21 Martin Jambor <mjambor@suse.cz>
7573 PR tree-optimization/42585
7574 * tree-sra.c (struct access): New field grp_total_scalarization.
7575 (dump_access): Dump the new field.
7576 (should_scalarize_away_bitmap): New variable.
7577 (cannot_scalarize_away_bitmap): Likewise.
7578 (sra_initialize): Allocate new bitmaps.
7579 (sra_deinitialize): Free new bitmaps.
7580 (create_access_1): New function.
7581 (create_access): Parts moved to create_access_1.
7582 (type_consists_of_records_p): New function.
7583 (completely_scalarize_record): Likewise.
7584 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
7585 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
7586 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
7588 (analyze_all_variable_accesses): Completely scalarize small eligible
7591 2010-01-21 Martin Jambor <mjambor@suse.cz>
7593 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
7595 2010-01-21 Andrew Haley <aph@redhat.com>
7597 * gcc.c (process_command): Move lang_specific_driver before
7598 setting cc_libexec_prefix.
7600 2010-01-21 Richard Guenther <rguenther@suse.de>
7603 * fold-const.c (negate_expr_p): Pretend only negative
7604 real constants are easily negatable.
7606 2010-01-20 Janis Johnson <janis187@us.ibm.com>
7607 Jason Merrill <jason@redhat.com>
7609 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
7610 (TYPE_TRANSPARENT_AGGR): this, for union and record.
7611 * calls.c (initialize argument_information): Handle it.
7612 * c-common.c (handle_transparent_union_attribute): Use new name.
7613 * c-decl.c (finish_struct): Ditto.
7614 * c-typeck.c (type_lists_compatible_p): Ditto.
7615 (convert_for_assignment): Use new name and also handle record.
7616 * function.c (aggregate_value_p): Handle it.
7617 (pass_by_reference): Ditto.
7618 (assign_parm_data_types): Ditto.
7619 * print-tree.c (print_node): Ditto.
7620 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
7621 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
7622 * tree.c (first_field): New fn.
7624 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
7627 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
7628 even when linking statically, for now.
7630 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
7633 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
7634 without a cselib val.
7635 (count_uses): Accept MO_VAL_SET with no val on stores.
7636 (add_stores): Likewise.
7638 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7640 * var-tracking.c (check_value_val): Add a compile time assertion.
7641 (dv_is_decl_p): Simplify.
7642 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
7643 gcc_assert if ENABLE_CHECKING.
7645 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
7648 * var-tracking.c: Include tree-flow.h.
7649 (mem_dies_at_call): New.
7650 (dataflow_set_preserve_mem_locs): Use it.
7651 (dataflow_set_remove_mem_locs): Likewise.
7652 (dump_var): Renamed from dump_variable. Adjust all callers.
7653 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
7654 * Makefile.in (var-tracking.o): Adjust deps.
7656 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
7658 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
7660 2010-01-20 Richard Guenther <rguenther@suse.de>
7662 PR tree-optimization/42717
7663 * tree-ssa-dce.c (get_live_post_dom): Remove.
7664 (forward_edge_to_pdom): Take an arbitrary edge to copy
7665 degenerate PHI args from.
7666 (remove_dead_stmt): Use the first post-dominator even if it
7667 does not contain live statements as redirection destination.
7669 2010-01-20 Richard Guenther <rguenther@suse.de>
7671 * tree-inline.c (estimate_num_insns): Handle EH builtins.
7673 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7675 * sel-sched.c (create_speculation_check): Remove set but not used
7677 (try_transformation_cache): Remove set but not used variable ds.
7678 (calculate_privileged_insns): Remove set but not used variables
7679 cur_insn and min_spec_insn.
7680 (find_best_expr): Remove set but not used variable avail_n.
7681 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
7683 * cgraphunit.c (assemble_thunk): Remove set but not used variable
7685 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
7686 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
7689 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
7692 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
7693 cpu types. Add support for *-sse3 cpu types.
7694 (x86_64-*-*): Ditto.
7696 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7699 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
7700 argument, call initializer_constant_valid_p_1 instead of
7701 initializer_constant_valid_p, pass CACHE to it, return NULL
7702 immediately if first call returns NULL.
7703 (initializer_constant_valid_p_1): New function.
7704 (initializer_constant_valid_p): Use it.
7706 2010-01-20 Thomas Quinot <quinot@adacore.com>
7708 * tree.def (PLACEHOLDER_EXPR): Fix comment.
7710 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7712 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
7713 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
7714 (loc_list_from_tree): Don't handle unsigned division. Handle
7715 signed modulo using DW_OP_{over,over,div,mul,minus}.
7716 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
7717 modulo instead of signed.
7719 2010-01-20 DJ Delorie <dj@redhat.com>
7721 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
7723 (h8300_emit_stack_adjustment): Propogate it.
7725 (h8300_expand_prologue): Likewise.
7726 (h8300_expand_epilogue): Likewise.
7728 2010-01-19 Michael Matz <matz@suse.de>
7730 PR tree-optimization/41783
7731 * tree-data-ref.c (toplevel): Include flags.h.
7732 (dump_data_dependence_relation): Also dump the inputs if the
7733 result will be unknown.
7734 (split_constant_offset_1): Look through some conversions.
7735 * tree-predcom.c (determine_roots_comp): Restart a new chain if
7736 the offset from last element is too large.
7737 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
7738 (reassociate_to_the_same_stmt): Handle vector registers.
7739 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
7741 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
7742 wide_prolog_niters argument, emit widening instructions.
7743 (vect_do_peeling_for_alignment): Adjust caller, use widened
7744 variant of the iteration cound.
7745 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
7747 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
7750 * config/arm/neon-testgen.m (emit_automatics): New parameter
7751 features. Adjust for Fixed_return_reg feature.
7752 (test_intrinsic): Call emit_automatics with new feature.
7753 * config/arm/neon.ml: Update copyright years.
7754 (features): New Fixed_return_reg feature.
7755 (ops): Update feature for Vget_low.
7757 2010-01-19 Jakub Jelinek <jakub@redhat.com>
7759 PR tree-optimization/42719
7760 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
7764 * fwprop.c (all_uses_available_at): Return false if def_set dest
7765 is a REG that is used in def_insn.
7767 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
7769 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
7771 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
7774 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
7776 * target.h (struct gcc_target) <secondary_reload>: Change type
7777 of last argument to secondary_reload_info *.
7779 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
7782 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
7783 memory references with unaligned offsets. Remove CQImode handling.
7784 (unaligned_memory_operand): Return 1 for memory references with
7785 unaligned offsets. Remove CQImode handling.
7787 2010-01-18 Richard Guenther <rguenther@suse.de>
7790 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
7793 2010-01-18 Richard Guenther <rguenther@suse.de>
7795 PR tree-optimization/42781
7796 * tree-ssa-structalias.c (find_what_var_points_to): Skip
7797 restrict processing only if the original variable was artificial.
7799 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
7801 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
7802 find number of popped argument bytes.
7804 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
7805 Fix the text that describes the return value for invalid insns.
7807 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
7809 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
7810 Clarify what 'cost of the -dependence' is. Fix quoting.
7812 * toplev.c (default_get_pch_validity): Rename argument to "sz".
7813 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
7815 2010-01-17 Jakub Jelinek <jakub@redhat.com>
7817 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
7818 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
7820 2010-01-17 Richard Guenther <rguenther@suse.de>
7823 * function.c (split_complex_args): Take a VEC to modify.
7824 (assign_parms_augmented_arg_list): Build a VEC instead of
7825 a chain of PARM_DECLs.
7826 (assign_parms_unsplit_complex): Take a VEC of arguments.
7827 Do not fixup unmodified parms.
7828 (assign_parms): Deal with the VEC.
7829 (gimplify_parameters): Likewise.
7831 2010-01-17 Richard Guenther <rguenther@suse.de>
7833 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
7834 node existence check.
7835 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
7836 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
7837 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
7838 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
7839 (gimple_execute_on_growing_pred): Likewise.
7841 2010-01-17 Richard Guenther <rguenther@suse.de>
7843 PR tree-optimization/42773
7844 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
7845 (compute_antic_aux): Likewise.
7846 (compute_partial_antic_aux): Likewise.
7848 2010-01-17 Jie Zhang <jie.zhang@analog.com>
7851 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
7854 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
7856 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
7859 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
7860 Fix markup for strict argument.
7862 (TARGET_SCHED_REORDER2): Fix argument types.
7864 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
7865 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
7867 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
7868 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
7870 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
7873 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
7874 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
7875 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
7876 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
7877 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
7879 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
7881 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
7883 (TARGET_ASM_RELOC_RW_MASK): Add return type.
7884 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
7886 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
7888 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
7891 (TARGET_ASM_NAMED_SECTION): Fix argument list.
7893 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
7894 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
7896 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
7898 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
7900 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
7901 referring to it. Fix language.
7903 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
7905 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
7907 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
7909 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
7911 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
7912 '@var{stream}. Remove stray 'and'.
7914 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
7916 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
7918 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
7920 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
7921 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
7923 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
7924 Fix description of return value.
7925 Rename argument "sz" to "len."
7927 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
7928 Clarify meaning of 'true' return value.
7930 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
7932 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
7933 rep_mode versus mode_rep.
7935 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
7937 (TARGET_BUILTIN_DECL): Fix name.
7939 (TARGET_COMMUTATIVE_P): Fix type of first argument.
7941 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
7943 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
7945 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
7947 (TARGET_RELAXED_ORDERING): Use @deftypevr.
7949 (TARGET_GET_DRAP_RTX): Note that this is a hook.
7952 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
7953 Rename argument tm_fn to md_fn.
7955 (TARGET_OPTION_PRINT): Fix argument list.
7957 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
7960 * config/i386/i386.c (ix86_fixup_binary_operands):
7961 Revert FMA4 fixup of operands.
7963 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7966 * Makefile.in (write_entries_to_file, install-plugin):
7967 Use \012 instead of \n with tr.
7969 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
7971 * configure.ac (HAVE_AS_REF): New C macro.
7972 * configure: Regenerate.
7973 * config.in: Likewise.
7974 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
7976 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
7979 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
7981 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
7983 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
7985 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
7987 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
7989 (TARGET_IN_SMALL_DATA_P): Fix argument type.
7991 (TARGET_BINDS_LOCAL_P): Fix argument type.
7993 (TARGET_ASM_FILE_END): Use prototype.
7995 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
7997 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
7999 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
8001 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
8003 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
8004 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
8006 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
8007 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
8009 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
8010 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
8011 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
8012 (TARGET_ADDR_SPACE_CONVERT): Likewise.
8014 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
8016 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
8018 (TARGET_INIT_BUILTINS): Use prototype.
8020 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
8021 Put 'const char *' in braces. Fix parameter types.
8022 (TARGET_INVALID_CONVERSION): Fix parameter types.
8023 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
8024 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
8026 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
8029 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
8031 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
8033 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
8035 * doc/tm.texi (TARGET_HELP): Fix return type.
8037 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
8038 in braces. Fix argument types.
8040 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
8042 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
8044 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
8046 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
8047 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
8049 (TARGET_MANGLE_TYPE): Fix argument types.
8051 (TARGET_IRA_COVER_CLASSES): Use prototype.
8053 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
8055 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
8057 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
8059 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
8061 (TARGET_CALLEE_COPIES): Fix argument types.
8063 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
8065 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
8067 (TARGET_FUNCTION_VALUE): Fix argument types.
8069 (TARGET_RETURN_IN_MSB): Fix argument type.
8071 (TARGET_RETURN_IN_MEMORY): Fix argument types.
8073 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
8075 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
8077 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
8078 agree with return type.
8080 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
8082 2010-01-15 Jing Yu <jingyu@google.com>
8084 PR rtl-optimization/42691
8085 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
8086 a pseudo to a constant and are merged, and adjust comments.
8088 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
8090 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
8092 2010-01-15 Richard Guenther <rguenther@suse.de>
8095 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
8096 labels of computed or non-local gotos to the destination.
8097 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
8098 landing pad label is the first label.
8100 2010-01-15 Richard Guenther <rguenther@suse.de>
8102 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
8104 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
8107 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
8108 to allow generation of the xssqrtdp instruction on power7.
8109 (sqrtdf2_fpr): Ditto.
8111 2010-01-14 Jakub Jelinek <jakub@redhat.com>
8114 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
8115 functions with noreturn attribute.
8118 * varasm.c (declare_weak): Add weak attribute to decl if it
8119 doesn't have one already.
8120 (assemble_external): Only add decls to weak_decls if they also
8121 have weak attribute.
8123 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
8125 * var-tracking.c (var_reg_delete): Don't delete the association
8126 between REGs and values or one-part variables if the register
8129 2010-01-14 Jakub Jelinek <jakub@redhat.com>
8132 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
8133 because its first operand is a non-localized variable.
8135 2010-01-14 Martin Jambor <mjambor@suse.cz>
8137 PR tree-optimization/42706
8138 * tree-sra.c (encountered_recursive_call): New variable.
8139 (encountered_unchangable_recursive_call): Likewise.
8140 (sra_initialize): Initialize both new variables.
8141 (callsite_has_enough_arguments_p): New function.
8142 (scan_function): Call decl and flags check only for IPA-SRA, check
8143 whether there is a recursive call and whether it has enough arguments.
8144 (all_callers_have_enough_arguments_p): New function.
8145 (convert_callers): Look for recursive calls only when
8146 encountered_recursive_call is set.
8147 (ipa_early_sra): Bail out either if
8148 !all_callers_have_enough_arguments_p or
8149 encountered_unchangable_recursive_call.
8151 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8153 * sel-sched.c: Add 2010 to copyright years.
8154 * sel-sched-ir.c: Likewise.
8155 * sel-sched-ir.h: Likewise.
8157 2010-01-14 Martin Jambor <mjambor@suse.cz>
8159 PR tree-optimization/42714
8160 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
8161 constructors specially.
8163 2010-01-14 Andi Kleen <ak@linux.intel.com>
8165 * config/i386/drivers-i386.c (detect_caches_intel):
8166 Add l2sizekb parameter and fill in.
8167 (host_detect_local_cpu): Add l2sizekb, fill in.
8168 Add Atom small cache heuristic.
8170 2010-01-14 Andi Kleen <ak@linux.intel.com>
8172 * config/i386/drivers-i386.c (detect_caches_cpuid4):
8173 Add level3 parameter and fill in.
8174 (detect_caches_intel): Handle level3 cache.
8176 2010-01-14 Andi Kleen <ak@linux.intel.com>
8178 * config/i386/drivers-i386.c (host_detect_local_cpu):
8179 Fix core duo detection.
8181 2010-01-14 Andi Kleen <ak@linux.intel.com>
8183 * config/i386/drivers-i386.c (host_detect_local_cpu):
8186 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8188 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
8189 (rs6000_variable_issue_1): this. Use...
8190 (rs6000_variable_issue): here. Reimplement. Print debug info.
8192 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8194 * sel-sched-ir.c (sel_restore_other_notes): Rename to
8195 sel_restore_notes. Update all callers. Call reemit_notes
8198 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8200 PR rtl-optimization/42246
8201 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
8204 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8206 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
8207 all successors is the same as number of successors in current region.
8209 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8211 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
8212 to rename is not separable. Otherwise check that its LHS is not NULL.
8214 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8216 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
8218 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8220 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
8221 available registers when failed to discover LHS register class.
8222 Fix indentation. Update comment.
8224 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8225 Alexander Monakov <amonakov@ispras.ru>
8227 PR rtl-optimization/42389
8228 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
8230 (advance_state_on_fence): Likewise.
8231 (sel_target_adjust_priority): Print debug output only when
8232 sched_verbose >= 4, not 2.
8233 (get_expr_cost): Do not issue all unique insns on the next cycle.
8234 (fill_insns): Initialize can_issue_more from the value saved
8236 * sel-sched-ir.c (flist_add): New parameter issue_more.
8237 Init FENCE_ISSUE_MORE with it.
8238 (merge_fences): Likewise.
8239 (init_fences): Update call to flist_add.
8240 (add_to_fences, add_clean_fence_to_fences)
8241 (add_dirty_fence_to_fences): Likewise.
8242 (move_fence_to_fences): Update call to merge_fences.
8243 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
8245 * sel-sched-ir.h (struct _fence): New field issue_more.
8246 (FENCE_ISSUE_MORE): New accessor macro.
8248 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8250 PR rtl-optimization/42388
8251 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
8252 that have no predecessors nor successors. Do not call move_bb_info
8253 for empty blocks outside of current region.
8255 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8257 PR rtl-optimization/42294
8258 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
8259 * sel-sched.c (move_exprs_to_boundary): Transitively add all
8260 originators' originators.
8262 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8264 PR rtl-optimization/39453
8265 PR rtl-optimization/42246
8266 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
8268 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
8270 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8271 Alexander Monakov <amonakov@ispras.ru>
8274 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
8275 (maybe_tidy_empty_bb): ... here. Make static. Add new
8276 argument. Update all callers.
8277 (tidy_control_flow): ... and here. Recompute topological order
8278 of basic blocks in region if necessary.
8279 (sel_redirect_edge_and_branch): Change return type. Return true
8280 if topological order might have been invalidated.
8281 (purge_empty_blocks): Export and move from...
8282 * sel-sched.c (purge_empty_blocks): ... here.
8283 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
8284 (maybe_tidy_empty_bb): Delete prototype.
8285 (purge_empty_blocks): Declare.
8287 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8289 PR rtl-optimization/42249
8290 * sel-sched.c (try_replace_dest_reg): When chosen register
8291 and original register is the same, do not bail out early, but
8292 still check all original insns for validity of replacing destination
8293 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
8296 2010-01-14 Jakub Jelinek <jakub@redhat.com>
8299 Port from no-undefined-overflow branch:
8300 2009-03-09 Richard Guenther <rguenther@suse.de>
8302 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
8304 2010-01-14 Richard Guenther <rguenther@suse.de>
8307 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
8309 2010-01-14 Ira Rosen <irar@il.ibm.com>
8311 PR tree-optimization/42709
8312 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
8313 as scalar type in creation of constant vector operand.
8315 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
8318 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
8319 (check-parallel-%): Match `testsuite' directory component only
8322 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
8324 PR translation/39521
8325 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
8328 2010-01-13 Richard Guenther <rguenther@suse.de>
8330 PR tree-optimization/42730
8331 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
8334 2010-01-13 Steve Ellcey <sje@cup.hp.com>
8337 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
8338 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
8341 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
8343 * config/bfin/libgcc-bfin.ver: Regenerate based on current
8344 libgcc-std.ver. Add entries for ___smulsi3_highpart and
8345 ___umulsi3_highpart.
8347 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
8348 rather than schedule_insns if the pass is enabled.
8350 2010-01-13 Martin Jambor <mjambor@suse.cz>
8352 PR tree-optimization/42704
8353 * tree-sra.c (sra_modify_assign): Do not delete assignments to
8356 2010-01-13 Martin Jambor <mjambor@suse.cz>
8358 PR tree-optimization/42703
8359 * tree-sra.c (analyze_access_subtree): Check that we can build a
8360 reference to the original data within the aggregate.
8362 2010-01-13 Richard Guenther <rguenther@suse.de>
8364 PR tree-optimization/42705
8365 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
8367 2010-01-13 Richard Guenther <rguenther@suse.de>
8370 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
8372 2010-01-13 Jakub Jelinek <jakub@redhat.com>
8375 * var-tracking.c (values_to_unmark): New variable.
8376 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
8377 values_to_unmark vector. Moved body to...
8378 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
8379 instead queue it into values_to_unmark vector.
8380 (vt_find_locations): Free values_to_unmark vector.
8382 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
8384 * config/s390/s390.c (override_options): Set
8385 default of max-pending-list-length to 256
8387 2010-01-13 Richard Guenther <rguenther@suse.de>
8390 * tree-pass.h (PROP_gimple_lcx): New.
8391 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
8392 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
8393 before the final cleanup_eh.
8394 (dump_properties): Dump PROP_gimple_lcx.
8395 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
8396 (tree_lower_complex_O0): Remove.
8397 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
8398 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
8399 tree_lower_complex, schedule TODO_update_ssa.
8400 * lto-streamer-out.c (output_function): Stream the functions
8402 * lto-streamer-in.c (input_function): Likewise.
8403 (lto_read_body): Do not override them here.
8405 2010-01-12 Joseph Myers <joseph@codesourcery.com>
8408 * c-typeck.c (build_c_cast): Fold value cast to union type before
8409 wrapping it in a CONSTRUCTOR.
8411 2010-01-12 Jakub Jelinek <jakub@redhat.com>
8413 PR rtl-optimization/42699
8414 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
8417 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8419 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
8420 SUBTARGET_WARN_UNUSED_SPEC): Move ...
8421 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
8422 SUBTARGET_WARN_UNUSED_SPEC): ... here
8423 * config/mips/iris5.h (LIBGCC_SPEC): Define.
8425 2010-01-12 Julian Brown <julian@codesourcery.com>
8427 * config/arm/neon-schedgen.ml (Utils): Don't try to
8428 open missing module.
8429 (find_with_result): New.
8431 2010-01-12 Jakub Jelinek <jakub@redhat.com>
8434 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
8435 sharing when canonicalizing ({lt,ge}u (plus a b) b).
8437 PR tree-optimization/42645
8438 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
8439 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
8440 decl_map, set processing_debug_stmt to -1 and return name without
8443 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
8445 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
8446 binutils version, and reword target configuration description.
8448 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
8450 * config/avr/avr.h (LINKER_NAME): Remove.
8452 2010-01-11 Janis Johnson <janis187@us.ibm.com>
8455 * config/rs6000/rs6000.c (rs6000_override_options): On targets
8456 that support VSX, warn for -mno-altivec if vsx is not disabled,
8459 2010-01-11 Joseph Myers <joseph@codesourcery.com>
8460 Shujing Zhao <pearly.zhao@oracle.com>
8462 PR translation/42469
8463 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
8464 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
8465 character between option name and help text.
8466 * c.opt (imultilib): Likewise.
8468 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
8470 * lto-streamer-out.c (output_unreferenced_globals): Output static
8473 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
8475 PR rtl-optimization/42621
8476 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
8477 optimizing for size.
8478 (duplicate_computed_gotos): Remove now-redundant check.
8480 2010-01-10 Steve Ellcey <sje@cup.hp.com>
8483 * configure.ac: Save and restore LDFLAGS and LIBS
8484 * configure: Regenerate.
8486 2010-01-10 Richard Guenther <rguenther@suse.de>
8489 * builtins.c (fold_builtin_strlen): Add type argument and
8490 convert the resulting length to it.
8491 (fold_builtin_1): Adjust.
8493 2010-01-09 Jakub Jelinek <jakub@redhat.com>
8495 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
8496 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
8498 (num_insns_constant_wide): Adjust for that change.
8500 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8503 * web.c (union_defs): Add used argument, to combine uses of
8505 (entry_register): Adjust type and tests of used argument.
8506 (web_main): Widen used for new use. Pass it to union_defs.
8507 * df.h (union_defs): Adjust prototype.
8509 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8512 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
8513 uses in new incoming argument. Free body.
8514 (reset_debug_uses_in_loop): New.
8515 (analyze_insn_to_expand_var): Call the latter if the former found
8516 anything. Fix whitespace. Reject invalid dest overlaps before
8517 going through all insns in the loop.
8519 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8522 * haifa-sched.c (dying_use_p): Debug insns don't count.
8524 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8527 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
8528 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
8529 (verify_gimple_call): Reject LHS in noreturn calls.
8531 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8535 * tree-vect-loop-manip.c (adjust_info): New type.
8536 (adjust_vec): New pointer to vector.
8537 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
8538 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
8539 (slpeel_update_phis_for_duplicate_loop): Use them.
8540 (slpeel_update_phi_nodes_for_guard1): Likewise.
8541 (slpeel_update_phi_nodes_for_guard2): Likewise.
8542 (slpeel_tree_peel_loop_to_edge): Likewise.
8543 (vect_update_ivs_after_vectorizer): Likewise.
8545 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8547 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
8548 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
8550 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8552 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
8553 bogus uninitialized warning.
8555 2010-01-09 Richard Guenther <rguenther@suse.de>
8558 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
8559 the evolution is compatible with the initial condition.
8561 2010-01-09 Jakub Jelinek <jakub@redhat.com>
8563 * gcc.c (process_command): Update copyright notice dates.
8564 * gcov.c (print_version): Likewise.
8565 * gcov-dump.c (print_version): Likewise.
8566 * mips-tfile.c (main): Likewise.
8567 * mips-tdump.c (main): Likewise.
8569 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
8572 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
8574 (rotlhi3_8): Delete.
8576 (rotlsi3_8): Delete.
8577 (rotlsi3_16): Delete.
8578 (rotlsi3_24): Delete.
8580 (*rotw<mode>3): New.
8581 (*rotb<mode>3): New.
8582 * config/avr/avr.c (avr_rotate_bytes): New function.
8583 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
8585 2010-01-08 Steve Ellcey <sje@cup.hp.com>
8588 * configure.ac: Modify -rdynamic check.
8589 * configure: Regenerate.
8591 2010-01-08 DJ Delorie <dj@redhat.com>
8593 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
8594 register popping order.
8596 2010-01-08 Richard Guenther <rguenther@suse.de>
8599 * c.opt (fsigned-char): Also let LTO handle this option.
8600 (funsigned-char): Likewise.
8602 2010-01-07 Richard Guenther <rguenther@suse.de>
8604 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
8605 (gimple_op): Likewise.
8606 (gimple_op_ptr): Likewise.
8607 (gimple_assign_set_lhs): Remove gcc_assert.
8608 (gimple_assign_set_rhs1): Likewise.
8609 (gimple_assign_set_rhs2): Likewise.
8610 (gimple_call_set_lhs): Likewise.
8611 (gimple_call_set_fn): Likewise.
8612 (gimple_call_set_fndecl): Likewise.
8613 (gimple_call_fndecl): Likewise.
8614 (gimple_call_return_type): Likewise.
8615 (gimple_call_set_chain): Likewise.
8616 (gimple_call_num_args): Likewise.
8617 (gimple_call_set_arg): Likewise.
8618 (gimple_cond_set_code): Likewise.
8619 (gimple_cond_set_lhs): Likewise.
8620 (gimple_cond_set_rhs): Likewise.
8621 (gimple_cond_set_true_label): Likewise.
8622 (gimple_cond_set_false_label): Likewise.
8623 (gimple_label_set_label): Likewise.
8624 (gimple_goto_set_dest): Likewise.
8625 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
8626 (gimple_debug_bind_get_value): Likewise.
8627 (gimple_debug_bind_get_value_ptr): Likewise.
8628 (gimple_debug_bind_set_var): Likewise.
8629 (gimple_debug_bind_set_value): Likewise.
8630 (gimple_debug_bind_reset_value): Likewise.
8631 (gimple_debug_bind_has_value_p): Likewise.
8632 (gimple_return_retval_ptr): Remove gcc_assert.
8633 (gimple_return_retval): Likewise.
8634 (gimple_return_set_retval): Likewise.
8635 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
8636 (safe_referenced_var_iterator): Remove.
8637 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
8638 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
8639 (fill_referenced_var_vec): Remove.
8640 (first_readonly_imm_use): Remove redundant gcc_assert.
8641 (phi_arg_index_from_use): Combine gcc_asserts.
8642 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
8643 (first_imm_use_stmt): Remove redundant gcc_assert.
8644 * tree-cfg.c (verify_gimple_call): Verify function and chain
8645 operands. Verify arguments.
8646 (verify_types_in_gimple_stmt): Verify condition code and labels.
8648 2010-01-07 Richard Guenther <rguenther@suse.de>
8650 PR tree-optimization/42641
8651 * sese.c (rename_map_elt_info): Use the SSA name version, do
8654 2010-01-07 Jakub Jelinek <jakub@redhat.com>
8656 PR tree-optimization/42625
8657 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
8658 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
8660 2010-01-07 Duncan Sands <baldrick@free.fr>
8662 * Makefile.in (PLUGIN_HEADERS): Add version.h.
8664 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
8667 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
8668 note itself is not function_invariant_p.
8670 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
8672 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
8673 Do not add the DF_NOTE problem.
8674 * store-motion.c (execute_rtl_store_motion): Likewise.
8676 2010-01-07 Martin Jambor <mjambor@suse.cz>
8678 PR tree-optimization/42157
8679 * tree-sra.c (compare_access_positions): Stabilize sort if both
8680 accesses have integer types, return zero immediately if they are the
8683 2010-01-06 Richard Henderson <rth@redhat.com>
8686 * haifa-sched.c (add_to_note_list): Merge into ...
8687 (concat_note_lists): ... here, and ...
8688 (unlink_other_notes, rm_other_notes): Merge into...
8689 (remove_notes): ... here. Create REG_SAVE_NOTEs for
8690 NOTE_INSN_EPILOGUE_BEG.
8692 2010-01-06 Richard Guenther <rguenther@suse.de>
8694 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
8695 not inline regular functions into always-inline functions.
8697 2010-01-06 Nick Clifton <nickc@redhat.com>
8699 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
8700 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
8702 (OVERRIDE_OPTIONS): Delete.
8703 (OPTIMIZATION_OPTIONS): Define.
8704 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
8705 * config/rx/rx.c (rx_handle_option): Issue an error message if
8706 -mcpu=rx200 and -fpu are used together.
8707 (rx_set_optimization_options): New function. Issue an error
8708 message if an optimization attribute attempts to reset the FPU/
8709 math optimization pairing.
8710 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
8711 * config/rx/rx.opt: Set the default to 32-bit doubles.
8712 * config/rx/t-rx: Add multilibs for -nofpu option.
8713 * doc/invoke.texi: Update documentation of RX options.
8715 2010-01-06 Richard Guenther <rguenther@suse.de>
8717 * tree-ssa-pre.c (name_to_id): New global.
8718 (alloc_expression_id): Simplify SSA name handling.
8719 (lookup_expression_id): Likewise.
8720 (init_pre): Zero name_to_id.
8721 (fini_pre): Free it.
8723 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
8725 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
8727 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
8730 * config/i386/sse.md (smaxv2di3): New.
8731 (umaxv2di3): Likewise.
8732 (sminv2di3): Likewise.
8733 (uminv2di3): Likewise.
8735 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
8738 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
8739 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
8740 (legitimize_tls_address): Likewise.
8741 (sparc_tls_referenced_p): Likewise.
8742 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
8743 and adjust calls to legitimize_pic_address.
8744 (legitimate_constant_p) Use sparc_tls_referenced_p.
8745 (legitimate_pic_operand_p): Likewise.
8746 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
8747 (sparc_tls_symbol_ref_1): Delete.
8748 (sparc_tls_referenced_p): Make static, recognize specific patterns.
8749 (legitimize_tls_address): Make static, handle CONST patterns.
8750 (legitimize_pic_address): Make static, remove unused parameter and
8751 adjust recursive calls.
8752 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
8753 and adjust call to legitimize_pic_address.
8754 (sparc_output_mi_thunk): Likewise.
8756 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
8757 H.J. Lu <hongjiu.lu@intel.com>
8760 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
8761 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
8762 operands to make them signed.
8765 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
8768 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
8769 GTU to GT for V4SI and V2DI.
8771 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
8772 (umin<mode>3): Removed.
8774 (uminv4si3): Likewise.
8776 2010-01-05 Martin Jambor <mjambor@suse.cz>
8778 PR tree-optimization/42462
8779 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
8780 current_function_decl to helper functions and macros.
8782 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8785 * flags.h: Don't include real.h.
8786 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
8787 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
8788 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
8789 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
8790 * dominance.c: Update copyright.
8791 * gimple.c (walk_gimple_op): Remove inline.
8792 * tree-ssa-reassoc.c: Include real.h.
8793 * Makefile.in (FLAGS_H): Remove $(REAL_H).
8794 (tree-ssa-reassoc.o): Depend on $(REAL_H).
8796 2010-01-05 Nick Clifton <nickc@redhat.com>
8798 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
8799 register to push into the stack frame when the accumulator has to
8800 be saved during interrupts.
8802 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
8804 * doc/invoke.texi: Remove the documentation about option
8806 * common.opt (Wunreachable-code): Preserved for backward
8808 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
8809 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
8810 the backward compatibility flag section.
8812 2010-01-05 Richard Guenther <rguenther@suse.de>
8814 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
8816 2010-01-05 Jakub Jelinek <jakub@redhat.com>
8819 * cfgexpand.c (expand_one_var): Diagnose too large variables.
8821 PR tree-optimization/42508
8822 * tree-sra.c (convert_callers): Check for recursive call
8823 by comparing cgraph nodes instead of decls.
8824 (modify_function): Call ipa_modify_formal_parameters also
8825 on all same_body aliases.
8827 * cgraphunit.c (cgraph_materialize_all_clones): Compare
8828 cgraph nodes when checking for same_body aliases.
8830 2010-01-05 Richard Guenther <rguenther@suse.de>
8832 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
8833 allocation and lookup.
8834 (get_or_alloc_expr_for_constant): Likewise.
8835 (phi_translate): Sink allocation.
8837 2010-01-04 Richard Guenther <rguenther@suse.de>
8839 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
8840 a new entry only if needed.
8841 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
8842 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
8844 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
8846 (phi_translate): Handle CONSTANTs early.
8848 2010-01-04 Martin Jambor <mjambor@suse.cz>
8850 PR tree-optimization/42398
8851 * tree-sra.c (struct access): Removed flag grp_different_types.
8852 (dump_access): Do not dump the removed flag.
8853 (sort_and_splice_var_accesses): Do not set the removed flag.
8854 (sra_modify_expr): Check for type compatibility directly.
8856 2010-01-04 Martin Jambor <mjambor@suse.cz>
8858 PR tree-optimization/42366
8859 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
8860 edges with variable number of parameters.
8861 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
8862 flag instead of asserting it.
8863 (ipa_read_node_info): Read uses_analysis_done flag.
8865 2010-01-04 Richard Guenther <rguenther@suse.de>
8867 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
8868 iterative_hash_* as intended.
8869 (vn_reference_compute_hash): Likewise. Simplify hashing
8871 (vn_reference_lookup_2): Likewise.
8872 (vn_nary_op_compute_hash): Likewise.
8873 (vn_phi_compute_hash): Likewise.
8874 (expressions_equal_p): Remove strange code.
8875 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
8876 (pre_expr_hash): Likewise. Simplify hashing SSA names.
8877 (bitmap_insert_into_set_1): Take value-id as parameter.
8878 (add_to_value): Pass it.
8879 (bitmap_insert_into_set): Likewise.
8880 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
8882 2010-01-04 Jakub Jelinek <jakub@redhat.com>
8885 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
8886 (do_self_spec): For switches with SWITCH_IGNORE set set also
8887 SWITCH_IGNORE_PERMANENTLY.
8888 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
8891 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
8893 * lto-streamer-out.c (output_unreferenced_globals): Output the full
8894 tree of an unreferenced global var.
8896 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
8899 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
8900 GTU to GT for V4SI and V2DI.
8902 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
8903 (umin<mode>3): Removed.
8905 (uminv4si3): Likewise.
8907 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
8910 * collect2.c (main): Turn on trace in collect2 if -v is passed
8913 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
8915 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
8916 description of expression operand.
8918 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
8920 * configure.ac: Add install-html to target_list for Make-hooks.
8921 * configure: Regenerate.
8922 * fortran/Make-lang.in (F95_HTMLFILES): New.
8923 (fortran.html): Use it.
8924 (fortran.install-html): New.
8925 * Makefile.in (install-html): Add lang.install-html.
8926 * java/Make-lang.in (JAVA_HTMLFILES): New.
8927 (java.html): Use it.
8928 (java.install-html): New.
8929 * objc/Make-lang.in (objc.install-html): New.
8930 * objcp/Make-lang.in (obj-c++.install-html): New.
8931 * cp/Make-lang.in (c++.install-html): New.
8932 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
8933 * lto/Make-lang.in (lto.install-html): New.
8935 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
8938 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
8940 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
8942 PR rtl-optimization/41862
8943 * store-motion.c (store_killed_in_insn, compute_store_table,
8944 remove_reachable_equiv_notes, replace_store_insn,
8945 build_store_vectors): Ignore all DEBUG_INSNs.
8947 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
8950 * common.opt: Add dumpdir.
8952 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
8954 (option_map): Add --dumpdir.
8956 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
8958 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
8960 * opts.c (decode_options): Try dump_dir_name first if
8961 dump_base_name isn't an absolute path.
8962 (common_handle_option): Handle OPT_dumpdir.
8964 * toplev.c (dump_dir_name): New.
8965 (print_switch_values): Also ignore -dumpdir.
8967 * toplev.h (dump_dir_name): New.
8969 2010-01-03 Richard Guenther <rguenther@suse.de>
8971 PR tree-optimization/42589
8972 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
8973 double-word expansion of bswap32.
8975 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
8977 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
8978 with BLOCK_FOR_INSN.
8979 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
8980 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
8981 noce_process_if_block): Likewise.
8982 * gcse.c (compute_local_properties, insert_expr_in_table,
8983 insert_set_in_table, canon_list_insert, find_avail_set,
8984 pre_insert_copy_insn): Likewise.
8986 * basic-block.h (BLOCK_NUM): Move from here...
8987 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
8989 2010-01-03 Richard Guenther <rguenther@suse.de>
8991 PR tree-optimization/42438
8992 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
8993 contains_may_not_return_call flag.
8994 (BB_MAY_NOTRETURN): New.
8995 (valid_in_sets): Trapping nary operations are not valid
8996 in blocks that may not return.
8997 (insert_into_preds_of_block): Remove check for trapping expressions.
8998 (compute_avail): Compute also BB_MAY_NOTRETURN.
9000 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
9002 * doc/invoke.texi: Add 2010 to copyright years.
9004 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
9006 * config/sparc/sparc.c: Fix formatting nits.
9008 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
9009 Alexander Monakov <amonakov@ispras.ru>
9011 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
9013 2010-01-02 Richard Guenther <rguenther@suse.de>
9016 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
9017 (simplify_switch_using_ranges): Mark to be removed edges
9020 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9022 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
9024 * collect2.c (scan_libraries): Add missing argument in call to
9027 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
9030 * config/alpha/predicates.md (aligned_memory_operand): Return false
9032 (unaligned_memory_operand): Return true for CQImode.
9033 * config/alpha/alpha.c (get_aligned_mem): Assert that location
9034 doesn not cross aligned SImode word boundary.
9036 2010-01-02 Anatoly Sokolov <aesok@post.ru>
9038 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
9040 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
9041 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
9043 2010-01-02 Richard Guenther <rguenther@suse.de>
9046 * toplev.c (compile_file): Emit LTO marker properly. Change
9048 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
9050 2010-01-01 Richard Guenther <rguenther@suse.de>
9053 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
9055 2010-01-01 Richard Guenther <rguenther@suse.de>
9058 * c-decl.c (grokdeclarator): For zero-size arrays force
9059 structural equality checks as layout_type does.
9061 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
9063 * builtins.c: Update copyright to 2010.
9065 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
9068 * lto-streamer-out.c (produce_asm): Revert the last change.
9069 (copy_function): Likewise.
9071 * lto-streamer.c (lto_get_section_name): Skip any leading
9074 2010-01-01 Richard Guenther <rguenther@suse.de>
9077 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
9081 Copyright (C) 2010 Free Software Foundation, Inc.
9083 Copying and distribution of this file, with or without modification,
9084 are permitted in any medium without royalty provided the copyright
9085 notice and this notice are preserved.