1 2010-05-11 Jan Hubicka <jh@suse.cz>
3 * crtstuff.c (__JCR_LIST__, __DTOR_END__, __JCR_END__, __FRAME_END__):
6 2010-05-11 Jan Hubicka <jh@suse.cz>
9 * ipa-inline.c (cgraph_edge_badness): Move always inlines to top of queue.
10 (cgraph_decide_inlining_of_small_function): Skip check when disrgarding
12 (estimate_function_body_sizes): Compute sizes even when disregarding.
14 2010-05-11 Kai Tietz <kai.tietz@onevision.com>
16 * collect2.c (maybe_lto_object_file): Add x64-coff magic and check.
18 2010-05-11 Jan Hubicka <jh@suse.cz>
20 * lto-cgraph.c (output_cgraph): Remove loop adding all varpool nodes
23 2010-05-11 Jan Hubicka <jh@suse.cz>
25 * matrix-reorg.c (matrix_reorg): Rebuild edges.
27 2010-05-11 Jan Hubicka <jh@suse.cz>
29 * lto-streamer.c (lto_streamer_cache_add_to_node_array,
30 lto_streamer_cache_delete): Put nodes into heap.
31 * lto-streamer.h (struct lto_streamer_cache_d): Nodes vector is in
34 2010-05-11 Jan Hubicka <jh@suse.cz>
36 * cgraphbuild.c (cgraph_rebuild_references): New.
37 * cgraph.c (cgraph_mark_reachable_node): Accept references to optimized
39 * cgraph.h (cgraph_rebuild_references): Declare.
40 * tree-inline.c (tree_function_versioning): Use it.
41 * ipa-struct-reorg.c (do_reorg_for_func): Likewise.
43 2010-05-11 Jan Hubicka <jh@suse.cz>
45 * cgraph.c: Include ipa-utils.h
46 (cgraph_create_virtual_clone): Update references.
47 * Makefile.in (cgraph.o): Add dependency at ipa-utils.h
49 2010-05-11 Christian Borntraeger <borntraeger@de.ibm.com>
51 * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Reset
52 prefetch_before to PREFETCH_ALL if to accesses "meet" beyond
55 2010-05-11 Christian Borntraeger <borntraeger@de.ibm.com>
57 * tree-ssa-loop-prefetch.c: Add debug for dropped prefetches.
59 2010-05-11 Jakub Jelinek <jakub@redhat.com>
61 * gcc.c (execute): For -### don't quote arguments that
62 contain just alphanumerics and _/-. characters.
63 * doc/invoke.texi: Document that change for -###.
66 * df-problems.c (struct dead_debug): Add to_rescan field.
67 (dead_debug_init): Clear to_rescan field.
68 (dead_debug_finish): Rescan all debug insns in to_rescan
69 bitmap and free the bitmap.
70 (dead_debug_insert_before): Instead of rescanning debug insns
71 immediately queue their rescanning until dead_debug_finish.
72 (df_note_bb_compute): After dead_debug_add do continue instead
75 2010-05-10 Jakub Jelinek <jakub@redhat.com>
78 * haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC,
79 clear also INSN_REG_USE_LIST.
81 2010-05-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
83 * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Undef.
85 2010-05-10 Jan Hubicka <jh@suse.cz>
87 * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally commited change.
89 2010-05-10 Jan Hubicka <jh@suse.cz>
91 * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries): Allocate
93 * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
94 * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
95 (lto_streamer_cache_create): Init alloc pool.
96 (lto_streamer_cache_delete): Free alloc pool.
97 * lto-streamer.h: Include alloc pool.
98 (lto_streamer_cache_d): Use alloc pool.
99 * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.
101 2010-05-10 Jan Hubicka <jh@suse.cz>
103 * Makefile.in (cgraphbuild.o): Add dependency on except.h.
104 * cgraphbuild.c: Include except.h
105 (record_type_list, record_eh_tables): New function.
106 (build_cgraph_edges, rebuild_cgraph_edges): Use it.
108 2010-05-10 Jan Hubicka <jh@suse.cz>
110 * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
111 __frame_dummy_init_array_entry, force_to_data): Attribute as used
114 2010-05-10 Michael Matz <matz@suse.de>
116 * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
117 (can_reassociate_p): Use FLOAT_TYPE_P.
118 * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
119 (vect_force_simple_reduction): ... this.
120 * tree-parloops.c (gather_scalar_reductions): Use
121 vect_force_simple_reduction.
122 * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
123 vect_is_simple_reduction, add modify argument, if true rewrite
125 (vect_is_simple_reduction, vect_force_simple_reduction): New
127 (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.
129 2010-05-10 H.J. Lu <hongjiu.lu@intel.com>
130 Vladimir Makarov <vmakarov@redhat.com>
132 PR rtl-optimization/44012
133 * ira-build.c (remove_unnecessary_allocnos): Nullify
134 regno_allocno_map of the removed allocno.
136 2010-05-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
138 * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
140 * configure: Regenerate.
142 2010-05-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
144 * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
146 Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
147 * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
149 * configure: Regenerate.
151 2010-05-10 Richard Guenther <rguenther@suse.de>
153 * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
154 marked if the entry identifier is marked.
156 2010-05-10 Richard Guenther <rguenther@suse.de>
158 * c-common.c (struct c_common_attributes): Add fnspec attribute.
159 (handle_fnspec_attribute): New function.
160 * gimple.h (gimple_call_return_flags): Declare.
161 (gimple_call_arg_flags): Likewise.
162 * gimple.c (gimple_call_arg_flags): New function.
163 (gimple_call_return_flags): Likewise.
164 * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
166 (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
168 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
169 * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
171 (make_heapvar_for): ... this new function.
172 (handle_rhs_call): Handle fnspec attribute argument specifiers.
173 (handle_lhs_call): Likewise.
174 (find_func_aliases): Adjust.
176 2010-05-10 Richard Guenther <rguenther@suse.de>
178 PR tree-optimization/44050
179 * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.
181 2010-05-10 Wei Guozhi <carrot@google.com>
184 * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
186 2010-05-09 Joseph Myers <joseph@codesourcery.com>
189 * c-typeck.c (lookup_field): Take a type directly. Update
191 (build_component_ref): Update call to lookup_field.
192 (set_init_label): Use lookup_field to find initialized field.
193 Handle returned list of fields like a sequence of designators.
195 2010-05-09 Richard Guenther <rguenther@suse.de>
198 * fold-const.c (tree_single_nonzero_warnv_p): Properly
199 handle &FUNCTION_DECL.
201 2010-05-09 Joseph Myers <joseph@codesourcery.com>
204 * c-decl.c (detect_field_duplicates_hash): New. Handle anonymous
205 structures and unions recursively.
206 (detect_field_duplicates): Move duplicate detection with a hash to
207 detect_field_duplicates_hash. Always use a hash if anonymous
208 structures or unions are present.
209 * doc/extend.texi (Unnamed Fields): Document that duplicate fields
212 2010-05-09 H.J. Lu <hongjiu.lu@intel.com>
215 * config/i386/driver-i386.c (host_detect_local_cpu): Properly
216 detect Atom, Core 2 and Core i7.
218 2010-05-09 Richard Guenther <rguenther@suse.de>
220 * gcc.c (store_arg): Handle temporary file deletion for
223 2010-05-09 Richard Guenther <rguenther@suse.de>
226 * ipa-inline.c (estimate_function_body_sizes): Return after
227 disregarding inline limits.
229 2010-05-09 Richard Guenther <rguenther@suse.de>
231 * gcc.c (store_arg): Revert last change.
233 2010-05-08 Sandra Loosemore <sandra@codesourcery.com>
236 * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
237 (optimize_ops_list): Call it.
239 2010-05-08 Richard Guenther <rguenther@suse.de>
241 PR tree-optimization/44030
242 * tree-ssa-pre.c (eliminate): Copy NECESSARY flag. Set
243 NECESSARY flag if we propagate from a inserted expression.
245 2010-05-08 Eric Botcazou <ebotcazou@adacore.com>
247 * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
248 domain types as equal if they are both PLACEHOLDER_EXPRs.
250 2010-05-08 Richard Guenther <rguenther@suse.de>
252 * lto-wrapper.c (run_gcc): Remove linker output from
253 command line for LTRANS invocation.
255 2010-05-07 Steven Bosscher <steven@gcc.gnu.org>
257 * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
258 lto-macho as lto_binary_reader.
259 * target.h (struct gcc_target): New hooks lto_start and lto_end.
260 * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
261 * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
262 in lto_start and lto_end calls.
263 (is_elf_or_coff): Rename to maybe_lto_object_file. Add Mach-O
265 (scan_prog_file): Update is_elf_or_coff call.
266 * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
268 * collect2.c (main): Fix enum comparison.
270 * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
272 * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
273 * darwin.h (LINK_COMMAND_SPEC): Likewise. Define TARGET_ASM_LTO_START
274 and TARGET_ASM_LTO_END.
275 * darwin.c: Include obstack.h and lto-streamer.h.
276 (lto_section_names_offset, lto_section_names_obstack,
277 lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
279 (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
280 (darwin_asm_lto_start): New function. Redirect output to asm_out_file
282 (darwin_asm_lto_end): New function. Restore asm_out_file.
283 (darwin_asm_named_section): For LTO sections, replace the name with
284 the offset of the section name in a string table, and build this
286 (darwin_file_start): Initialize global vars for LTO support.
287 (darwin_file_end): If output to asm_out_file was redirected, append it
288 to the proper asm_out_file here. Add the section names section.
290 2010-05-07 Steven Bosscher <steven@gcc.gnu.org>
292 * c-pragma.c (pending_weak_d, pending_weak): New.
293 (pending_weaks): Change the type to VEC((pending_weak,gc) *.
294 (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
295 handle_pragma_weak): Update the uses of pending_weaks.
297 2010-05-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
299 PR documentation/44016
300 * doc/standards.texi (Standards): Link to unversioned
301 cxx0x_status.html page.
303 2010-05-07 Iain Sandoe <iains@gcc.gnu.org>
306 * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
307 in addition to TREE_USED, to avoid "set but unused" warnings.
309 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
311 * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
312 (is_loop_prefetching_profitable): Do not insert prefetches
313 when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
314 times the prefetch ahead distance.
316 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
318 * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
319 Account for loop unrolling in the insn-to-prefetch ratio heuristic.
320 (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
323 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
325 * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
326 a diagnostic info when the insn-to-mem ratio is too small.
328 2010-05-07 Richard Guenther <rguenther@suse.de>
330 * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
332 (store_arg): Queue temp_filename for deletion instead of
335 2010-05-07 Richard Guenther <rguenther@suse.de>
337 * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
338 (run_gcc): Handle LTRANS phase invocation.
339 * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.
341 2010-05-07 Jakub Jelinek <jakub@redhat.com>
343 * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
344 this is also meaningful on PARM_DECLs and RESULT_DECLs.
346 2010-05-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
348 * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
350 2010-05-07 Richard Guenther <rguenther@suse.de>
352 PR tree-optimization/44020
353 * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
354 code when PRE is not yet initialized.
356 2010-05-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
358 * config/mips/dbxmdebug.h: Remove.
359 * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
361 2010-05-07 Shujing Zhao <pearly.zhao@oracle.com>
363 * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
364 with null pointer and also warn about ordered comparison of zero with
367 2010-05-05 Andreas Simbuerger <simbuerg@fim.uni-passau.de>
369 * graphite-blocking.c
370 (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
371 * graphite-clast-to-gimple.c
372 (clast_to_gcc_expression): Same.
373 (precision_for_value): Same.
374 (precision_for_interval): Same.
375 (gcc_type_for_interval): Same.
376 (graphite_create_new_guard): Same.
377 (compute_bounds_for_level): Same.
378 (graphite_create_new_loop_guard): Same.
379 * graphite-interchange.c
380 (build_linearized_memory_access): Same.
381 (pdr_stride_in_loop): Same.
382 (memory_strides_in_loop_1): Same.
383 (memory_strides_in_loop): Same.
384 (extend_scattering): Same.
385 (psct_scattering_dim_for_loop_depth): Same.
386 (pbb_number_of_iterations): Same.
388 (debug_iteration_domains): Same.
390 (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
391 (ppl_set_inhomogeneous_gmp): Same.
392 (ppl_strip_loop): Same.
393 (ppl_lexico_compare_linear_expressions): Same.
394 (ppl_read_polyhedron_matrix): Same.
395 (ppl_max_for_le_pointset): Same.
397 (ppl_read_polyhedron_matrix): Same.
398 (tree_int_to_gmp): Same.
399 (gmp_cst_to_tree): Same.
400 (ppl_set_inhomogeneous): Same.
401 (ppl_set_inhomogeneous_tree): Same.
402 (ppl_set_coef): Same.
403 (ppl_set_coef_tree): Same.
404 * graphite-sese-to-poly.c
405 (build_pbb_scattering_polyhedrons): Same.
406 (build_scop_scattering): Same.
407 (scan_tree_for_params_right_scev): Same.
408 (scan_tree_for_params): Same.
409 (find_params_in_bb): Same.
410 (find_scop_parameters): Same.
411 (add_upper_bounds_from_estimated_nit): Same.
412 (build_loop_iteration_domains): Same.
413 (add_condition_to_domain): Same.
414 (pdr_add_memory_accesses): Same.
416 2010-05-05 Andreas Simbuerger <simbuerg@fim.uni-passau.de>
418 * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
419 CLooG's value_* macros to their respective mpz_* counterparts.
420 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
421 (graphite_create_new_loop_guard): Same.
422 * graphite-interchange.c (build_linearized_memory_access): Same.
423 (pdr_stride_in_loop): Same.
424 (memory_strides_in_loop_1): Same.
425 (1st_interchange_profitable_p): Same.
426 * graphite-poly.c (extend_scattering): Same.
427 (psct_scattering_dim_for_loop_depth): Same.
428 (pbb_number_of_iterations): Same.
429 (pbb_number_of_iterations_at_time): Same.
430 * graphite-poly.h (new_1st_loop): Same.
431 * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
432 (oppose_constraint): Same.
433 (insert_constraint_into_matrix): Same.
434 (ppl_set_inhomogeneous_gmp): Same.
435 (ppl_set_coef_gmp): Same.
436 (ppl_strip_loop): Same.
437 (ppl_lexico_compare_linear_expressions): Same.
438 (ppl_max_for_le_pointset): Same.
439 (ppl_min_for_le_pointset): Same.
440 (ppl_build_realtion): Same.
441 * graphite-ppl.h (gmp_cst_to_tree): Same.
442 (ppl_set_inhomogeneous): Same.
443 (ppl_set_inhomogeneous_tree): Same.
444 (ppl_set_coef): Same.
445 (ppl_set_coef_tree): Same.
446 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
447 (build_scop_scattering): Same.
448 (add_value_to_dim): Same.
449 (scan_tree_for_params_right_scev): Same.
450 (scan_tree_for_params_int): Same.
451 (scan_tree_for_params): Same.
452 (find_params_in_bb): Same.
453 (find_scop_parameters): Same.
454 (add_upper_bounds_from_estimated_nit): Same.
455 (build_loop_iteration_domains): Same.
456 (create_linear_expr_from_tree): Same.
457 (add_condition_to_domain): Same.
458 (pdr_add_memory_accesses): Same.
460 2010-05-06 Magnus Fromreide <magfr@lysator.liu.se>
461 Jason Merrill <jason@redhat.com>
463 * c-common.c (c_common_reswords): Add nullptr.
464 * c-common.h: Add RID_NULLPTR. Reorganize C++0x rids.
465 * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
466 (gen_type_die_with_usage): Likewise.
467 * dbxout.c (dbxout_type): Likewise.
468 * sdbout.c (plain_type_1): Likewise.
470 2010-05-06 Jason Merrill <jason@redhat.com>
472 * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
473 Don't change GS_OK to GS_ALL_DONE. Make sure that all cases set
475 (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
477 * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
478 stripping WITH_SIZE_EXPR.
479 (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
482 2010-05-06 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
484 * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
485 list of obsolete configurations.
486 Disabled check for obsolete configurations.
487 (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
488 Removed support for previous versions.
489 * config/mips/iris.h: Removed.
490 * config/mips/iris5.h: Removed.
491 * config/mips/iris6.h: Merged old iris.h contents.
492 (TARGET_IRIX): Removed.
493 (DRIVER_SELF_SPECS): Removed mabi=32.
494 (IDENT_ASM_OP): Removed undef.
495 (STARTFILE_SPEC): Removed mabi=32.
496 (ENDFILE_SPEC): Likewise.
497 (IRIX_SUBTARGET_LINK_SPEC): Likewise.
498 (MACHINE_TYPE): Update for IRIX 6.5.
499 * config/mips/mips.c (mips_build_builtin_va_list): Replaced
500 TARGET_IRIX by TARGET_IRIX6.
501 (mips_file_start): Likewise.
502 (mips_output_external): Remove IRIX 5/6 O32 support.
503 (mips_output_function_prologue): Likewise.
504 * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
506 (TARGET_CPU_CPP_BUILTINS): Likewise.
507 (TARGET_IRIX): Removed.
508 * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
509 (MULTILIB_DIRNAMES): Removed 32.
510 (MULTILIB_OSDIRNAMES): Removed ../lib.
511 * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
512 (Specific, mips-sgi-irix5): Document removal.
513 (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
514 Remove references to older IRIX 6 releases and the O32 ABI.
516 2010-05-06 Jakub Jelinek <jakub@redhat.com>
519 * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
520 instead of DF_REF_REAL_REG.
522 2010-05-06 Dave Korn <dave.korn.cygwin@gmail.com>
525 * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
526 handling to still return true for x64 targets.
528 2010-05-06 Maxim Kuvyrkov <maxim@codesourcery.com>
530 * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
532 2010-05-06 Jan Hubicka <jh@suse.cz>
534 PR tree-optimization/43791
535 * ipa-inline.c (update_caller_keys): Remove bogus
536 disregard_inline_limits check.
538 2010-05-06 Michael Matz <matz@suse.de>
540 PR tree-optimization/43984
541 * tree-ssa-pre.c (inserted_phi_names): Remove.
542 (inserted_exprs): Change to bitmap.
543 (create_expression_by_pieces): Set bits, don't append to vector.
544 (insert_into_preds_of_block): Don't handle inserted_phi_names.
545 (eliminate): Don't look at inserted_phi_names, remove deleted
546 insns from inserted_exprs.
547 (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
548 (init_pre, fini_pre): Allocate and free bitmaps.
549 (execute_pre): Insert insns on edges before elimination.
551 2010-05-06 Maxim Kuvyrkov <maxim@codesourcery.com>
553 * tree.c (initializer_zerop): Handle STRING_CST.
555 2010-05-06 Manuel López-Ibáñez <manu@gcc.gnu.org>
558 * doc/invoke.texi (Wimplicit): Document as C only.
559 * opts.c (common_handle_option): Add argument kind.
560 (handle_option): Rename as read_cmdline_option. Factor out code to...
561 (handle_option): ... here. New.
562 (handle_options): Rename as read_cmdline_options.
563 (decode_options): Update call.
564 (set_option): Use option index instead of option pointer. Classify
565 diagnostics correctly.
566 (enable_warning_as_error): Call handle_option.
567 * opts.h (set_option): Update declaration.
568 (handle_option): Declare.
569 * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
570 * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
571 * c-opts.c (set_Wimplicit): Delete.
572 (c_family_lang_mask): New static constant.
573 (c_common_handle_option): Add argument kind. Use handle_option
574 instead of set_Wimplicit.
575 (c_common_post_options): warn_implicit and warn_implicit_int
576 are disabled by default.
577 * c-common.c (warn_implicit): Do not define here.
578 * c-common.h (warn_implicit): Do not declare here.
579 (c_common_handle_option): Update declaration.
580 * lto-opts.c (lto_reissue_options): Update call to set_option.
582 2010-05-06 Richard Guenther <rguenther@suse.de>
584 PR tree-optimization/43571
585 * domwalk.c (walk_dominator_tree): Walk the dominator
586 sons in more optimal order.
588 2010-05-06 Richard Guenther <rguenther@suse.de>
590 PR tree-optimization/43934
591 * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
592 (stmt_cost): Likewise.
593 (extract_true_false_args_from_phi): New helper.
594 (determine_max_movement): For PHI nodes verify we can hoist them
595 and compute their cost.
596 (determine_invariantness_stmt): Handle PHI nodes.
597 (move_computations_stmt): Likewise. Hoist PHI nodes in
598 if-converted form using COND_EXPRs.
599 (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
600 (tree_ssa_lim): Likewise.
601 * tree-flow.h (tree_ssa_lim): Adjust prototype.
602 * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
604 2010-05-06 Richard Guenther <rguenther@suse.de>
606 PR tree-optimization/43987
607 * tree-ssa-structalias.c (could_have_pointers): For possibly
608 address-taken variables force pointers to be recorded.
609 (create_variable_info_for_1): Likewise.
610 (push_fields_onto_fieldstack): Pass in wheter all fields
612 (find_func_aliases): Query types instead of vars whether
613 they contain pointers where appropriate.
615 2010-05-06 Jan Hubicka <jh@suse.cz>
617 * cgraphbuild.c (record_reference_ctx): Add varpool_node.
618 (record_reference, mark_address, mark_load, mark_store): Record
620 (record_references_in_initializer): Update call of record_references.
621 (rebuild_cgraph_edges): Remove all references before rebuiding.
622 * cgraph.c (cgraph_create_node): Clear ref list.
623 (cgraph_remove_node): Remove references.
624 (dump_cgraph_node): Dump references.
625 (cgraph_clone_node): Clone references.
626 * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
627 (struct cgraph_node, varpool_node): Add ref_lst.
628 * ipa-ref.c: New file.
629 * ipa-ref.h: New file.
630 * ipa-ref-inline.h: New file.
631 * lto-cgraph.c (output_varpool): Take cgrag node set argument.
632 (referenced_from_other_partition_p): New function.
633 (lto_output_varpool_node): Take set arugment; call
634 referenced_from_other_partition.
635 (lto_output_ref): New.
636 (add_references): New.
638 (output_cgraph): Compute boundary based on references; output refs.
639 (output_varpool): Accept cgraph_node_set argument.
642 (input_cgraph): Call input_refs.
643 * lto-section-in.c (lto_section_name): Add refs.
644 * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
645 (ipa-ref.o): New file.
646 * varpool.c (varpool_node): Clear ipa ref list.
647 (varpool_remove_node): Remove references.
648 (dump_varpool_node): Dump references.
649 (varpool_assemble_decl): Only compile finalized ones.
650 (varpool_extra_name_alias): Initialize ref list.
651 * lto-streamer.c (lto-get_section_name): Add .refs section.
652 * lto-streamer.h (lto_section_type): Add LTO_section_refs.
653 (referenced_from_other_partition_p): Declared.
655 2010-05-06 Ira Rosen <irar@il.ibm.com>
657 PR tree-optimization/43901
658 * tree-vect-stmts.c (vectorizable_call): Assert that vector
659 type is not NULL if it's transformation phase, and return
660 FALSE if it's analysis.
661 (vectorizable_conversion, vectorizable_operation,
662 vectorizable_type_demotion, vectorizable_type_promotion): Likewise.
664 2010-05-05 Andrew Pinski <andrew.pinski@caviumnetworks.com>
666 * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
668 * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
670 * config/mips/mips-protos.h
671 (mips_small_register_classes_for_mode_p): Delete prototype.
673 2010-05-06 Bernd Schmidt <bernds@codesourcery.com>
675 * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
676 * config/arm/arm.c (multiple_operation_profitable_p,
677 compute_offset_order): New static functions.
678 (load_multiple_sequence, store_multiple_sequence): Use them.
679 Replace constant 4 with MAX_LDM_STM_OPS. Compute order[0] from
680 memory offsets, not register numbers.
681 (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
683 2010-05-05 Steven Bosscher <steven@gcc.gnu.org>
685 * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *.
686 (get_pending_sizes, put_pending_size, put_pending_sizes):
687 Update the uses of pending_sizes.
688 * c-decl.c (store_parm_decls): Likewise.
689 * c-tree.h (struct c_arg_info): Likewise.
690 * tree.h: Update the prototype for get_pending_sizes and
693 2010-05-05 Jason Merrill <jason@redhat.com>
696 * c-common.c (handle_aligned_attribute): Respect
697 ATTR_FLAG_TYPE_IN_PLACE.
700 * target.h (struct gcc_target): Add attribute_takes_identifier_p.
701 * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
702 (TARGET_INITIALIZER): Use it.
703 * c-common.c (attribute_takes_identifier_p): Call it.
704 * c-common.h: Update prototype.
705 * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
706 (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
708 2010-05-05 Jakub Jelinek <jakub@redhat.com>
711 * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
712 DW_ID_down_case for Fortran compilation units.
714 2010-05-05 Jan Hubicka <jh@suse.cz>
716 * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
719 2010-05-05 Eric Botcazou <ebotcazou@adacore.com>
721 * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
722 a variable-sized RESULT_DECL.
724 2010-05-05 Maxim Kuvyrkov <maxim@codesourcery.com>
726 * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
728 2010-05-05 Jason Merrill <jason@redhat.com>
731 * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
733 (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
735 2010-05-05 Alexandre Oliva <aoliva@redhat.com>
736 Jakub Jelinek <jakub@redhat.com>
739 * df-problems.c (struct dead_debug_use, struct dead_debug): New.
740 (dead_debug_init, dead_debug_finish): New functions.
741 (dead_debug_add, dead_debug_insert_before): Likewise.
742 (df_note_bb_compute): Initialize a dead_debug object, add dead
743 debug uses to it, insert debug bind insns before death insns,
744 reset debug insns that refer to pending uses at the end.
745 * rtl.h (make_debug_expr_from_rtl): New prototype.
746 * varasm.c (make_debug_expr_from_rtl): New function.
748 2010-05-05 Jan Hubicka <jh@suse.cz>
750 * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
751 (lto_varpool_encoder_new, lto_varpool_encoder_delete,
752 lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
753 lto_varpool_encoder_deref, lto_varpool_encoder_size,
754 lto_varpool_encoder_encode_initializer_p,
755 lto_set_varpool_encoder_encode_initializer): New functions.
756 (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
758 (input_varpool_node): Do not always set analyzed.
759 (input_cgraph_1): Return vector of cgraph nodes.
760 (input_varpool_1): Return vector of varpools.
761 (input_cgraph): Free the vectors.
762 * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
763 output only initializers needed.
764 (lto_output): Only call output_cgraph.
765 (produce_asm_for_decls): Call lto_varpool_encoder_delete.
766 * lto-section-out.c (lto_new_out_decl_state): Initialize
767 state->varpool_node_encoder.
768 * lto-streamer.h (lto_varpool_encoder_d): New.
769 (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
770 (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
771 (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
772 lto_varpool_encoder_encode, lto_varpool_encoder_delete,
773 lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
775 (output_varpool, input_varpool): Remove declarations.
777 2010-05-05 Jan Hubicka <jh@suse.cz>
779 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
780 with body can prevail.
782 2010-05-05 Jan Hubicka <jh@suse.cz>
784 * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
787 2010-05-05 Laurynas Biveinis <laurynas.biveinis@gmail.com>
789 * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies.
791 * gengtype.h (erro_at_line): Constify pos argument.
793 * gengtype.c: Include hashtab.h.
794 (enum gc_used): Document GC_MAYBE_POINTED_TO.
795 (error_at_line): Constify pos argument.
796 (do_typedef): Initialize p->opt field.
797 (get_file_gtfilename): Fix comment typo.
798 (struct walk_type_data): Constify line field.
799 (get_output_file_for_structure): New function.
800 (write_local_func_for_structure): Constify orig_s argument.
801 Use get_output_file_for_structure.
802 (write_func_for_structure): Use get_output_file_for_structure.
803 (INDENT): New define.
804 (dump_pair, dump_type, dump_type_list, dump_typekind)
805 (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
806 (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
808 (seen_types): New variable.
809 (main): New variable do_dump. Process "-d" command line option.
810 Call dump_everything if dump requested.
812 2010-05-05 Jakub Jelinek <jakub@redhat.com>
814 * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
815 in a temporary instead of invoking the macro multiple times.
816 (track_expr_p): Likewise.
818 2010-05-04 Neil Vachharajani <nvachhar@google.com>
820 * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
822 * opts.c (decode_options): Enable -Werror=coverage-mismatch.
823 * coverage.c (get_coverage_counts): Always emit a warning. Adjust
824 conditions for printing notes.
825 * common.opt (-Wcoverage-mismatch): Allow negative, default to
826 true, update documentation.
827 * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
829 2010-05-04 Jakub Jelinek <jakub@redhat.com>
832 * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
835 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
838 * config/i386/i386.md (sse_prologue_save): Clobber CC register.
839 (*sse_prologue_save_insn1): Likewise.
840 (SSE prologue save splitter): Likewise.
842 2010-05-04 Eric Botcazou <ebotcazou@adacore.com>
844 * tree.c (free_lang_data_in_one_sizepos): New inline function.
845 (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
846 types. Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
847 (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
848 all decls. Call it on DECL_FIELD_OFFSET of fields.
849 (find_decls_types_r): Follow DECL_VALUE_EXPR.
850 (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
852 2010-05-04 Martin Jambor <mjambor@suse.cz>
854 * tree-sra.c (build_access_from_expr_1): The first parameter type
855 changed to simple tree.
856 (build_access_from_expr): Likewise, gsi parameter was eliminated.
857 (scan_assign_result): Renamed to assignment_mod_result, enum elements
859 (build_accesses_from_assign): Removed all parameters except for a
860 simple gimple statement. Now returns a simple bool.
861 (scan_function): All non-analysis parts moved to separate functions
862 sra_modify_function_body and ipa_sra_modify_function_body. Removed all
863 parameters and updated both callers.
864 (sra_modify_expr): Removed parameter data.
865 (sra_modify_function_body): New function.
866 (perform_intra_sra): Call sra_modify_function_body to modify the
868 (replace_removed_params_ssa_names): Parameter data changed into
870 (sra_ipa_modify_expr): Likewise. Also removed unused parameter gsi and
871 changed the parameter dont_convert to convert with the opposite
873 (sra_ipa_modify_assign): Parameter data changed into adjustments
874 vector, return value changed to bool.
875 (ipa_sra_modify_function_body): New function.
876 (sra_ipa_reset_debug_stmts): Updated a comment.
877 (modify_function): Use ipa_sra_modify_function_body to modify function
880 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
883 * alias.c (true_dependence): Handle the same VALUE in x and mem.
884 (canon_true_dependence): Likewise.
885 (write_dependence_p): Likewise.
887 2010-05-04 Jan Hubicka <jh@suse.cz>
889 * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
890 * cgraphbuild.c: Include ipa-utils.h
891 (record_reference_ctx): New struct.
892 (record_reference): Simplify to work on initializers; not statements.
893 (mark_address, mark_load, mark_store): New.
894 (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
896 (record_references_in_initializer): Update use of record_reference.
897 (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
900 2010-05-04 Jan Hubicka <jh@suse.cz>
902 * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
903 node will be removed anyway.
904 (lto_varpool_replace_node): Allow also unanalyzed nodes;
905 relink aliases of node into prevailing node.
906 * varpool.c (varpool_remove_node): Remove aliases properly;
907 when removing node, remove all its aliases too; remove DECL_INITIAL
908 of removed node; ggc_free the varpool node.
910 2010-05-04 Richard Guenther <rguenther@suse.de>
912 PR tree-optimization/43879
913 * tree-ssa-structalias.c (alias_get_name): Use
914 DECL_ASSEMBLER_NAME if available.
915 (create_function_info_for): Return the varinfo node.
916 (ipa_pta_execute): Associate same-body aliases and extra names
917 with their origin nodes varinfo. Dump DECL_ASSEMBLER_NAME.
919 2010-05-04 Kaz Kojima <kkojima@gcc.gnu.org>
921 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static.
923 2010-05-04 Mikael Pettersson <mikpe@it.uu.se>
926 * ira-color.c (assign_hard_reg): Declare rclass and add_cost
927 only if HONOR_REG_ALLOC_ORDER is not defined.
929 2010-05-04 Richard Guenther <rguenther@suse.de>
931 PR tree-optimization/43949
932 * tree-vrp.c (extract_range_from_binary_expr): Only handle
935 2010-04-26 Jason Merrill <jason@redhat.com>
937 * c.opt (-fstrict-enums): New.
938 * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
940 2010-05-03 David Ung <davidu@mips.com>
941 James E. Wilson <wilson@codesourcery.com>
943 * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
944 emit the trap instruction before the divide for TUNE_74K.
946 2010-05-03 Steven Bosscher <steven@gcc.gnu.org>
948 * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
949 (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
950 based on the above, for new target hook.
952 * hooks.c (hook_bool_mode_true): New generic hook.
953 * hooks.h (hook_bool_mode_true): Add prototype.
955 * target.h (struct gcc_target): Add small_register_classes_for_mode_p
957 * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
958 target hook, set to hook_bool_mode_false.
959 * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
960 * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
961 with targetm.small_register_classes_for_mode_p.
962 (find_reusable_reload): Likewise.
963 (combine_reloads): Likewise.
964 * reload1.c (reload_as_needed): Likewise.
965 * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
966 * ifcvt.c (noce_process_if_block, check_cond_move_block,
967 dead_or_predicable): Likewise.
968 * regmove.c (optimize_reg_copy_1): Likewise.
969 * calls.c (prepare_call_address): Likewise.
970 (precompute_register_parameters): Likewise.
972 * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
974 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
975 implementation of the hook that considers all register classes
976 small except for SH64.
977 (sh_override_options): Use the new hook.
978 * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
981 * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
983 * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
984 implementation of the hook that considers all register classes
986 * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
989 * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
991 * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
992 implementation of the hook that considers all register classes
994 * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
997 * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
999 * config/m32c/m32c.h: Likewise.
1000 * config/pdp11/pdp11.h: Likewise.
1001 * config/avr/avr.h: Likewise.
1002 * config/xtensa/xtensa.h: Likewise.
1003 * config/m68hc11/m68hc11.h: Likewise.
1004 * config/mn10300/mn10300.h: Likewise.
1005 * config/mcore/mcore.h: Likewise.
1006 * config/h8300/h8300.h: Likewise.
1007 * config/bfin/bfin.h: Likewise.
1009 * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
1010 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
1012 2010-05-03 Anatoly Sokolov <aesok@post.ru>
1014 * double-int.h (tree_to_double_int): Remove macro.
1015 (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
1016 * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1017 (tree_to_double_int): New function.
1018 * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
1020 * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1022 2010-05-03 Richard Guenther <rguenther@suse.de>
1024 PR tree-optimization/43971
1025 * tree-ssa-structalias.c (get_constraint_for_1): Fix
1026 constraints in the !flag_delete_null_pointer_checks case.
1028 2010-05-03 Jakub Jelinek <jakub@redhat.com>
1031 * config/i386/i386.c (ix86_delegitimize_address): Make sure the
1032 result mode matches original rtl mode.
1034 2010-05-03 Dave Korn <dave.korn.cygwin@gmail.com>
1037 * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
1039 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
1041 * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
1042 when processing flag options.
1044 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
1046 * gcov-iov.c (main): Change format string placeholder
1047 from %#08x to 0x%08x.
1048 * genchecksum.c (dosum): Change format string placeholder
1049 from %#02x to 0x%02x.
1051 2010-05-02 Richard Guenther <rguenther@suse.de>
1053 PR tree-optimization/43879
1054 * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
1056 2010-05-02 Bruno Haible <bruno@clisp.org>
1058 * doc/extend.texi (Function Attributes): Fix a typo.
1060 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
1063 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
1064 placeholder from 0x%x to %#x.
1065 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1066 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1067 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1068 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1069 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1070 * config/i386/i386.c (ix86_target_string): Ditto.
1071 * config/i386/i386.c (output_pic_addr_const): Ditto.
1072 (print_operand): Ditto.
1074 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
1076 * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
1077 placeholder from 0x%x to %#x.
1078 (ASM_OUTPUT_DEBUG_DATA1): Ditto.
1079 (ASM_OUTPUT_DEBUG_DATA4): Ditto.
1080 (ASM_OUTPUT_DEBUG_DATA): Ditto.
1081 (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
1082 (ASM_OUTPUT_DEBUG_DATA8): Ditto.
1083 * optc-gen.awk: Ditto.
1084 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
1085 (HOST_WIDE_INT_PRINT_HEX): Ditto.
1086 (HOST_WIDEST_INT_PRINT_HEX): Ditto.
1087 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1089 2010-05-01 Anatoly Sokolov <aesok@post.ru>
1091 * target.h (struct calls): Add function_value_regno_p field.
1092 * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
1093 (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
1094 * targhooks.c (default_function_value_regno_p): New function.
1095 * targhooks.h (default_function_value_regno_p): Declare function.
1096 * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
1097 * builtins.c. (apply_result_size): (Ditto.).
1098 * combine.c. (likely_spilled_retval_p): (Ditto.).
1099 * mode-switching.c. Include 'target.h'.
1100 (create_pre_exit): Use function_value_regno_p hook.
1101 * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
1102 * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
1103 TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
1105 * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
1106 * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
1107 (ix86_function_value_regno_p): Declare as static, change argument
1108 type to const unsigned int.
1109 * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
1111 2010-05-01 Richard Guenther <rguenther@suse.de>
1113 PR tree-optimization/43949
1114 * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
1116 (extract_range_from_binary_expr): Handle *_MOD_EXPR.
1118 2010-05-01 Anatoly Sokolov <aesok@post.ru>
1120 * rtl.h (CONST_DOUBLE_P): Define.
1121 (rtx_to_double_int): Declare.
1122 * emit-rtl.c (rtx_to_double_int): New function.
1123 * dwarf2out.c (insert_double): New function.
1124 (loc_descriptor, add_const_value_attribute): Clean up, use
1125 rtx_to_double_int and insert_double functions.
1127 2010-05-01 Jonathan Wakely <jwakely.gcc@gmail.com>
1129 * doc/extend.texi (Inline): Add missing return keyword to examples.
1130 (Function Attributes, Variable Attributes, Pragmas): Hyphenate
1133 2010-04-30 Eric Botcazou <ebotcazou@adacore.com>
1135 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
1136 the variable part of the offset as well. Use highest_pow2_factor for
1137 all alignment checks.
1139 2010-04-30 Richard Guenther <rguenther@suse.de>
1141 PR tree-optimization/43879
1142 * tree-ssa-structalias.c (type_could_have_pointers): Functions
1145 2010-04-30 Jan Hubicka <jh@suse.cz>
1147 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
1149 (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
1151 2010-04-30 Jan Hubicka <jh@suse.cz>
1153 * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
1155 * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
1156 * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
1157 (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
1158 cgraph_node_set_needs_ltrans_p): Remove.
1160 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
1162 * sdbout.c: Include vec.h, do not include varray.h.
1163 (deferred_global_decls, sdbout_global_decl,
1164 sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
1165 * toplev.c: Do not include varray.h.
1166 (dump_memory_report): Do not dump VARRAY statistics.
1167 * gengtype.c (open_base_file): Ignore varray.h.
1168 * Makefile.in: Update for abovementioned changes.
1169 Remove all traces of varray.c and varray.h.
1170 * varray.c: Remove file.
1171 * varray.h: Remove file.
1173 2010-04-30 Jan Hubicka <jh@suse.cz>
1175 * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
1178 2010-04-30 Jan Hubicka <jh@suse.cz>
1180 * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
1183 2010-04-30 Richard Guenther <rguenther@suse.de>
1185 * tree-ssa-structalias.c (get_constraint_for_1): Generate
1186 constraints for CONSTRUCTOR.
1188 2010-04-30 Richard Guenther <rguenther@suse.de>
1191 * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
1192 first after all lowering passes.
1194 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
1196 * toplev.c: Include varray.h for statistics dumping.
1197 * tree.h: Do not declare varray_head_tag.
1198 * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
1199 regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
1200 c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
1201 gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
1202 lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
1203 tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
1204 c-common.c, c-common.h, reg-stack.c, basic-block.h,
1205 tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
1207 * Makefile.in: Update for abovementioned changes.
1209 2010-04-30 Jakub Jelinek <jakub@redhat.com>
1212 * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
1214 2010-04-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1216 * config/picochip/picochip.c (picochip_legitimize_address): Define.
1217 Use this function to do machine-specific conversion.
1218 (picochip_legitimize_reload_address): Likewise.
1219 (picochip_legitimate_address_p): Check valid base register only if
1221 (picochip_check_conditional_copy): Check for modw only if opnd is
1223 * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
1224 to call the function in c.
1225 * config/picochip/picochip-protos.h
1226 (picochip_legitimize_reload_address): Define.
1227 * config/picochip/picochip.md (supported_compare1): Define.
1229 2010-04-30 Jan Hubicka <jh@suse.cz>
1231 * cgraph.h (cgraph_local_info): Remove for_functions_valid.
1232 (cgraph_global_info): Remove inlined.
1233 (LTO_cgraph_tag_names): Remove.
1234 (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
1235 * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
1236 simplify cgraph tags and document.
1237 (lto_output_node): Use only LTO_cgraph_unavail_node and
1238 LTO_cgraph_analyzed_node; Do not save analzed, reachable,
1239 for_functions_valid, global info, process and output flags.
1240 (input_overwrite_node): Initialize estimated stack size and
1241 estimated growth. Do not read flags we no longer store.
1242 (input_node): Likewise do not read info no longer stored.
1243 * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
1246 2010-04-30 Richard Guenther <rguenther@suse.de>
1248 PR tree-optimization/43879
1249 * tree-ssa-structalias.c (get_constraint_for_1): Properly
1250 handle non-zero initializers.
1252 2010-04-30 Richard Guenther <rguenther@suse.de>
1254 * builtins.c (fold_builtin_1): Delete free (0).
1256 2010-04-29 Jan Hubicka <jh@suse.cz>
1258 * gengtype.c (open_base_files): Add lto-streamer.h
1259 * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
1260 (pass_ipa_cp): GGC collect.
1261 * toplev. (compile_file): Do not output symbols.
1262 * ipa-inline.c (pass_ipa_inline): Add ggc collect.
1263 * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
1264 TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
1265 * lto-section-in.c: Include ggc.h
1266 (lto_new_in_decl_state): Alloc in GGC.
1267 (lto_delete_in_decl_state): Likewise.
1268 * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
1271 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
1274 * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
1275 ORDER_REGS_FOR_LOCAL_ALLOC. All instances of this macro changed.
1276 (HONOR_REG_ALLOC_ORDER): Describe new macro.
1277 * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
1278 * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
1279 account only if HONOR_REG_ALLOC_ORDER is not defined.
1280 * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
1281 * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
1283 2010-04-29 Jon Grant <04@jguk.org>
1285 * collect2.c (vflag): Change type from int to bool.
1287 (helpflag): New global bool.
1288 (main): Set vflag and debug with boolean, not integer truth values.
1289 Accept new "--help" option and output usage text if found.
1290 * collect2.h (vflag): Update prototype.
1293 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
1296 * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
1298 2010-04-29 Richard Guenther <rguenther@suse.de>
1301 * plugin.h (invoke_plugin_callbacks): Annotate arguments
1302 with ATTRIBUTE_UNUSED.
1304 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
1307 * config/i386/i386.c (get_some_local_dynamic_name): Replace
1308 INSN_P with NONDEBUG_INSN_P.
1309 (distance_non_agu_define): Likewise.
1310 (distance_agu_use): Likewise.
1312 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
1314 From Dominique d'Humieres <dominiq@lps.ens.fr>
1316 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
1319 2010-04-29 Brian Hackett <bhackett1024@gmail.com>
1321 * plugin.h (invoke_plugin_callbacks): New inline function.
1322 * plugin.c (flag_plugin_added): New global flag.
1323 (add_new_plugin): Initialize above flag.
1324 (invoke_plugin_callbacks): Rename to ...
1325 (invoke_plugin_callbacks_full): ... this.
1327 2010-04-28 Jan Hubicka <jh@suse.cz>
1329 * lto-symtab.c (lto_symtab_entry_def) Add vnode.
1330 (lto_varpool_replace_node): New.
1331 (lto_symtab_resolve_symbols): Resolve varpool nodes.
1332 (lto_symtab_merge_decls_1): Prefer decls with varpool node.
1333 (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
1334 * cgraph.h (varpool_node_ptr): New type.
1335 (varpool_node_ptr): New vector.
1336 (varpool_node_set_def): New structure.
1337 (varpool_node_set): New type.
1338 (varpool_node_set): New vector.
1339 (varpool_node_set_element_def): New structure.
1340 (varpool_node_set_element, const_varpool_node_set_element): New types.
1341 (varpool_node_set_iterator): New type.
1342 (varpool_node): Add prev pointers, add used_from_other_partition,
1344 (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
1345 varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
1346 varpool_get_node, varpool_remove_node): Declare.
1347 (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
1348 varpool_node_set_size): New inlines.
1349 * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
1350 * tree-pass.h (varpool_node_set_def): Forward declare.
1351 (ipa_opt_pass_d): Summary writting takes vnode sets too.
1352 (ipa_write_optimization_summaries): Update prototype.
1353 * ipa-cp.c (ipcp_write_summary): Update.
1354 * ipa-reference.c (ipa_reference_write_summary): Update.
1355 * lto-cgraph.c (lto_output_varpool_node): New static function.
1356 (output_varpool): New function.
1357 (input_varpool_node): New static function.
1358 (input_varpool_1): New function.
1359 (input_cgraph): Input varpool.
1360 * ipa-pure-const.c (pure_const_write_summary): Update.
1361 * lto-streamer-out.c (lto_output): Update, output varpool too.
1362 (write_global_stream): Kill WPA hack.
1363 (produce_asm_for_decls): Update.
1364 (output_alias_pair_p): Handle variables.
1365 (output_unreferenced_globals): Output only needed partition of varpool.
1366 * ipa-inline.c (inline_write_summary): Update.
1367 * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
1369 * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
1370 * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
1371 varpool_node_set_new, varpool_node_set_add,
1372 varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
1373 debug_varpool_node_set): New functions.
1374 * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
1375 (execute_one_pass): Process new decls too.
1376 (ipa_write_summaries_2): Pass around vsets.
1377 (ipa_write_summaries_1): Likewise.
1378 (ipa_write_summaries): Build vset; be more selective about cgraph nodes
1380 (ipa_write_optimization_summaries_1): Pass around vsets.
1381 (ipa_write_optimization_summaries): Likewise.
1382 * varpool.c (varpool_get_node): New.
1383 (varpool_node): Update doubly linked lists.
1384 (varpool_remove_node): New.
1385 (dump_varpool_node): More dumping.
1386 (varpool_enqueue_needed_node): Update doubly linked lists.
1387 (decide_is_variable_needed): Kill ltrans hack.
1388 (varpool_finalize_decl): Kill lto hack.
1389 (varpool_assemble_decl): Skip decls in other partitions.
1390 (varpool_assemble_pending_decls): Update doubly linkes lists.
1391 (varpool_empty_needed_queue): Likewise.
1392 (varpool_extra_name_alias): Likewise.
1393 * lto-streamer.c (lto_get_section_name): Add vars section.
1394 * lto-streamer.h (lto_section_type): Update.
1395 (output_varpool, input_varpool): Declare.
1397 2010-04-28 Mike Stump <mikestump@comcast.net>
1399 * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
1401 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
1403 * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
1404 record or union type with RECORD_OR_UNION_TYPE_P predicate.
1405 (lto_input_ts_type_tree_pointers): Likewise.
1406 * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
1407 (lto_output_ts_type_tree_pointers): Likewise.
1409 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
1411 Uniquization of constants at the Tree level
1412 * tree.h (DECL_IN_CONSTANT_POOL): New macro.
1413 (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
1415 (tree_output_constant_def): Declare.
1416 * gimplify.c (gimplify_init_constructor): When using block copy, first
1417 uniquize the constant constructor on the RHS.
1418 * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
1419 DECL_IN_CONSTANT_POOL flag.
1420 * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
1421 * varasm.c (make_decl_rtl): Deal with variables belonging to the global
1423 (assemble_variable): Deal with symbols belonging to the tree constant
1425 (get_constant_section): Add ALIGN parameter and simplify.
1426 (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
1427 (assemble_constant_contents): Use the expression of the VAR_DECL.
1428 (output_constant_def_contents): Use the alignment of the VAR_DECL.
1429 (tree_output_constant_def): New global function.
1430 (mark_constant): Use the expression of the VAR_DECL.
1431 (place_block_symbol): Use the alignment of the VAR_DECL and the size of
1433 (output_object_block): Likewise and assemble the expression.
1435 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
1437 * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
1438 hash_tree, eq_tree): New tree hash table.
1439 (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
1440 [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
1441 lto_orig_address_remove): Reimplement.
1443 2010-04-28 Xinliang David Li <davidxl@google.com>
1446 * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
1447 (compute_uninit_opnds_pos): New function.
1448 (is_non_loop_exit_postdominating): New function.
1449 (compute_control_dep_chain): New function.
1450 (find_pdom): New function.
1451 (convert_control_dep_chain_into_preds): New function.
1452 (find_predicates): New function.
1453 (find_control_equiv_block): New function.
1454 (collect_phi_def_edges): New function.
1455 (find_def_preds): New function.
1456 (find_dom): New function.
1457 (dump_predicates): New function.
1458 (get_cmp_code): New function.
1459 (is_value_included_in): New function.
1460 (find_matching_predicate_in_rest_chains): New function.
1461 (use_pred_not_overlap_with_undef_path_pred): New function.
1462 (is_use_properly_guarded): New function.
1463 (normalize_cond_1): New function.
1464 (is_and_or_or): New function.
1465 (normalize_cond): New function.
1466 (is_gcond_subset_of): New function.
1467 (is_subset_of_any): New function.
1468 (is_or_set_subset_of): New function.
1469 (is_and_set_subset_of): New function.
1470 (is_norm_cond_subset_of): New function.
1471 (is_pred_expr_subset_of): New function.
1472 (is_pred_chain_subset_of): New function.
1473 (is_included_in): New function.
1474 (is_superset_of): New function.
1475 (find_uninit_use): New function.
1476 (warn_uninitialized_phi): New function.
1477 (compute_possibly_undefined_names): New function.
1478 (ssa_undefined_value_p): New function.
1479 (execute_late_warn_uninitialized): New function.
1480 * tree-ssa.c (ssa_undefined_value_p): Removed.
1481 (warn_uninit): Changed to extern.
1482 (warn_uninitialized_phi): Removed.
1483 (warn_uninitialized_vars): Changed to extern.
1484 (execute_late_warn_uninitialized): Removed
1485 * tree-flow.h: Add new prototypes.
1486 * timevar.def: Add new time variable.
1487 * Makefile.in: Add new build file.
1489 2010-04-28 Uros Bizjak <ubizjak@gmail.com>
1491 * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
1494 2010-04-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1497 * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
1499 2010-04-28 Martin Jambor <mjambor@suse.cz>
1501 * cgraph.h (struct cgraph_node): New field indirect_calls.
1502 (struct cgraph_indirect_call_info): New type.
1503 (struct cgraph_edge): Removed field indirect_call. New fields
1504 indirect_info, indirect_inlining_edge and indirect_unknown_callee.
1505 (cgraph_create_indirect_edge): Declare.
1506 (cgraph_make_edge_direct): Likewise.
1507 (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
1508 * ipa-prop.h (struct ipa_param_call_note): Removed.
1509 (struct ipa_node_params): Removed field param_calls.
1510 (ipa_create_all_structures_for_iinln): Declare.
1511 * cgraph.c: Described indirect edges and uids in initial comment.
1512 (cgraph_add_edge_to_call_site_hash): New function.
1513 (cgraph_edge): Search also among the indirect edges, use
1514 cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
1515 (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
1516 one, use cgraph_add_edge_to_call_site_hash to add edges to the call
1518 (initialize_inline_failed): Assign a reason to indirect edges.
1519 (cgraph_create_edge_1): New function.
1520 (cgraph_create_edge): Moved some functionality to
1521 cgraph_create_edge_1.
1522 (cgraph_create_indirect_edge): New function.
1523 (cgraph_edge_remove_callee): Add an assert checking for
1525 (cgraph_edge_remove_caller): Special-case indirect edges.
1526 (cgraph_remove_edge): Likewise.
1527 (cgraph_set_edge_callee): New function.
1528 (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
1529 (cgraph_make_edge_direct): New function.
1530 (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
1531 the declaration of the call statement matches.
1532 (cgraph_node_remove_callees): Special-case indirect edges.
1533 (cgraph_clone_edge): Likewise.
1534 (cgraph_clone_node): Clone also the indirect edges.
1535 (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
1536 indirect_call, dump count of indirect_calls edges.
1537 * ipa-prop.c (iinlining_processed_edges): New variable.
1538 (ipa_note_param_call): Create indirect edges instead of
1539 creating notes. New parameter node.
1540 (ipa_analyze_call_uses): New parameter node, pass it on to
1541 ipa_note_param_call.
1542 (ipa_analyze_stmt_uses): Likewise.
1543 (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
1544 (print_edge_addition_message): Work on edges rather than on notes.
1545 (update_call_notes_after_inlining): Likewise, renamed to
1546 update_indirect_edges_after_inlining.
1547 (ipa_create_all_structures_for_iinln): New function.
1548 (ipa_free_node_params_substructures): Do not free notes.
1549 (ipa_edge_duplication_hook): Propagate bits within
1550 iinlining_processed_edges bitmap.
1551 (ipa_node_duplication_hook): Do not duplicate notes.
1552 (free_all_ipa_structures_after_ipa_cp): Renamed to
1553 ipa_free_all_structures_after_ipa_cp.
1554 (free_all_ipa_structures_after_iinln): Renamed to
1555 ipa_free_all_structures_after_iinln.
1556 (ipa_write_param_call_note): Removed.
1557 (ipa_read_param_call_note): Removed.
1558 (ipa_write_indirect_edge_info): New function.
1559 (ipa_read_indirect_edge_info): Likewise.
1560 (ipa_write_node_info): Do not stream notes, do stream information
1562 (ipa_read_node_info): Likewise.
1563 (lto_ipa_fixup_call_notes): Removed.
1564 * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
1565 * ipa-inline.c (pass_ipa_inline): Likewise.
1566 * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
1567 * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
1568 * tree-inline.c (copy_bb): Removed an unnecessary double check for
1570 * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
1572 * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
1573 (output_cgraph): Stream also indirect edges.
1574 (lto_output_edge): Added capability to stream indirect edges.
1575 (input_edge): Likewise.
1576 (input_cgraph_1): Likewise.
1577 * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
1580 2010-04-28 Richard Guenther <rguenther@suse.de>
1582 PR tree-optimization/43879
1583 PR tree-optimization/43909
1584 * tree-ssa-structalias.c (struct variable_info): Add
1585 only_restrict_pointers flag.
1586 (new_var_info): Initialize it. Increment stats.total_vars here.
1587 (create_function_info_for): Do not increment stats.total_vars here.
1588 (get_function_part_constraint): Fix build with C++.
1589 (insert_into_field_list): Remove.
1590 (push_fields_onto_fieldstack): Properly merge fields.
1591 (create_variable_info_for): Split and simplify.
1592 (create_variable_info_for_1): New piece.
1593 (intra_create_variable_infos): Properly make restrict constraints
1596 2010-04-28 Richard Guenther <rguenther@suse.de>
1599 * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
1601 2010-04-27 Manuel López-Ibáñez <manu@gcc.gnu.org>
1602 Jan Hubicka <hubicka@ucw.cz>
1604 * doc/invoke.texi (-Wsuggest-attribute=const,
1605 -Wsuggest-attribute=pure): Document.
1606 * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
1607 (function_always_visible_to_compiler_p,
1608 suggest_attribute, warn_function_pure, warn_function_const):
1610 (check_call): Improve debug info.
1611 (analyze_function): Do not check availability.
1612 (add_new_function): Check availability.
1613 (propagate): Output warnings.
1614 (skip_function_for_local_pure_const): New function.
1615 (local_pure_const): Use it; output warnings.
1616 * common.opt (Wsuggest-attribute=const,
1617 Wsuggest-attribute=pure): New.
1619 2010-04-27 Jakub Jelinek <jakub@redhat.com>
1621 * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
1622 force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
1623 or DW_CFA_def_cfa_offset{,_sf}.
1625 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
1627 * tree.h: Fix truncated long macros.
1629 2010-04-27 Kai Tietz <kai.tietz@onevision.com>
1631 * collect2.c (TARGET_64BIT): Redefine to target's default.
1632 * tlink.c: Likewise.
1633 * config/i386/cygming.h (USER_LABEL_PREFIX): Define
1634 dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
1635 * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
1636 for underscoring __USER_LABEL_PREFIX__.
1637 * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
1638 (SUB_LINK_ENTRY32): New.
1639 (SUB_LINK_ENTRY64): New.
1640 (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
1641 * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
1642 (SUB_LINK_ENTRY64): New.
1643 (SUB_LINK_ENTRY): New.
1644 (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
1645 (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
1646 x64 target is choosen.
1647 * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
1648 * configure: Regenerated.
1649 * configure.ac (leading-mingw64-underscores): Option added.
1651 2010-04-27 Jan Hubicka <jh@suse.cz>
1653 * doc/invoke.texi (-fipa-profile): Document.
1654 * opts.c (decode_options): Enable ipa-profile at -O1.
1655 * timevar.def (TV_IPA_PROFILE): Define.
1656 * common.opt (fipa-profile): Add.
1657 * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
1659 (cgraph_propagate_frequency): Handle only local ones.
1660 * tree-pass.h (pass_ipa_profile): Declare.
1661 * ipa-profile.c (gate_profile): Use flag_ipa_profile.
1662 (pass_ipa_profile): Use TV_IPA_PROFILE.
1663 * ipa.c (ipa_profile): New function.
1664 (gate_ipa_profile): Likewise.
1665 (pass_ipa_profile): New global variable.
1666 * passes.c (pass_ipa_profile): New.
1668 2010-04-27 Nathan Froyd <froydnj@codesourcery.com>
1670 * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
1672 2010-04-27 Martin Jambor <mjambor@suse.cz>
1675 * ipa.c (dissolve_same_comdat_group_list): New function.
1676 (function_and_variable_visibility): Call
1677 dissolve_same_comdat_group_list when comdat group contains external or
1679 * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
1680 lists are circular and that they contain only DECL_ONE_ONLY nodes.
1682 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
1684 * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
1685 (const_hash_1) <VECTOR_CST>: New case.
1686 (compare_constant) <VECTOR_CST>: Likewise.
1687 <ADDR_EXPR>: Deal with LABEL_REFs.
1688 (copy_constant) <VECTOR_CST>: New case.
1690 2010-04-27 Jan Hubicka <jh@suse.cz>
1692 * cgraph.c (cgraph_propagate_frequency): New function.
1693 * cgraph.h (cgraph_propagate_frequency): Declare.
1694 * ipa-inline.c (cgraph_clone_inlined_nodes): Call
1695 cgraph_propagate_frequency.
1697 2010-04-27 Jakub Jelinek <jakub@redhat.com>
1699 * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
1701 2010-04-27 Bernd Schmidt <bernds@codesourcery.com>
1704 * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
1705 (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
1706 here to determine which regs to push and how much stack to reserve.
1708 2010-04-27 Jie Zhang <jie@codesourcery.com>
1710 * doc/gimple.texi (gimple_statement_with_ops): Remove
1711 addresses_taken field.
1712 (gimple_statement_with_memory_ops): Likewise.
1714 2010-04-27 Jan Hubicka <jh@suse.cz>
1716 * tree-inline.c (eni_inlining_weights): Remove.
1717 (estimate_num_insns): Special case more builtins.
1719 2010-04-27 Shujing Zhao <pearly.zhao@oracle.com>
1722 * c-typeck.c (build_binary_op): Move forward check for comparison
1723 pointer with null pointer constant and adjust the diagnostic message.
1725 2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
1728 * configure.ac (gcc_cv_as_section_has_align): Set if installed
1729 binutils supports extended .section directive needed by LTO, or
1730 warn if older binutils found.
1731 (LTO_BINARY_READER): New AC_SUBST'd variable.
1732 (LTO_USE_LIBELF): Likewise.
1733 * gcc/config.gcc (lto_binary_reader): New target-specific configure
1735 * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
1736 (LTO_USE_LIBELF): Likewise.
1737 * configure: Regenerate.
1739 * collect2.c (is_elf): Rename from this ...
1740 (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
1741 object files in addition to ELF-formatted ones.
1742 (scan_prog_file): Caller updated. Also allow for LTO info marker
1743 symbol to be prefixed or not by an extra underscore.
1745 * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
1746 * config/i386/winnt.c: Also #include lto-streamer.h
1747 (i386_pe_asm_named_section): Specify 1-byte section alignment for
1749 (i386_pe_asm_output_aligned_decl_common): Add comment.
1750 (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
1752 2010-04-27 Hans-Peter Nilsson <hp@bitrange.com>
1755 * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
1756 Add missing earlyclobber for second alternative.
1758 2010-04-26 Bernd Schmidt <bernds@codesourcery.com>
1760 * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
1761 bits for artificial defs at the top of the block.
1762 * fwprop.c (single_def_use_enter_block): Don't call it.
1764 2010-04-26 Jack Howarth <howarth@bromo.med.uc.edu>
1767 * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
1768 instead of "$gcc_cv_objdump -T".
1769 Use "-undefined dynamic_lookup" on darwin.
1770 * gcc/configure: Regenerate.
1772 2010-04-26 Jakub Jelinek <jakub@redhat.com>
1775 * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
1777 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
1779 * c-parser.c (struct c_token): Move location field up.
1780 * c-tree.h (struct c_typespec): Move expr_const_operands field up.
1781 (struct c_declspecs): Convert typespec_word, storage_class, and
1782 default_int_p into bitfields.
1783 (struct c_declarator): Move loc field up.
1785 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
1787 * cfgloop.h (struct loop): Move can_be_parallel field up.
1788 * ipa-prop.h (struct ip_node_params): Move bitfields up.
1789 * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
1791 (struct iv_cand): Convert pos field into a bitfield.
1792 * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
1794 (struct _stmt_vec_info): Shuffle fields for better packing.
1796 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
1798 * varasm.c (IN_NAMED_SECTION): Remove guard.
1799 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
1800 (IN_NAMED_SECTION_P): ...this.
1801 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
1802 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1804 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
1806 * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
1807 Use VOID_TYPE_P for all void type tests. Adjust TYPE variable instead
1808 of shadowing it. Fix comments.
1810 2010-04-26 Jan Hubicka <jh@suse.cz>
1812 * cgraph.c (cgraph_create_node): Set node frequency to normal.
1813 (cgraph_clone_node): Copy function frequency.
1814 * cgraph.h (node_frequency): New enum
1815 (struct cgraph_node): Add.
1816 * final.c (rest_of_clean_state): Update.
1817 * lto-cgraph.c (lto_output_node): Output node frequency.
1818 (input_overwrite_node): Input node frequency.
1819 * tre-ssa-loop-ivopts (computation_cost): Update.
1820 * lto-streamer-out.c (output_function): Do not output function
1822 * predict.c (maybe_hot_frequency_p): Update and handle functions
1824 (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
1826 (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
1827 (compute_function_frequency): Set noreturn functions to be executed
1829 (choose_function_section): Update.
1830 * lto-streamer-in.c (input_function): Do not input function frequency.
1831 * function.c (allocate_struct_function): Do not initialize function
1833 * function.h (function_frequency): Remove.
1834 (struct function): Remove function frequency.
1835 * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
1836 (try_update): Update.
1837 * tree-inline.c (initialize_cfun): Do not update function frequency.
1838 * passes.c (pass_init_dump_file): Update.
1839 * i386.c (ix86_compute_frame_layout): Update.
1840 (ix86_pad_returns): Update.
1842 2010-04-26 Jie Zhang <jie@codesourcery.com>
1844 PR tree-optimization/43833
1845 * tree-vrp.c (range_int_cst_p): New.
1846 (range_int_cst_singleton_p): New.
1847 (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
1848 when both operands are constants. Use range_int_cst_p in
1851 2010-04-26 Jan Hubicka <jh@suse.cz>
1853 * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
1855 2010-04-26 Richard Guenther <rguenther@suse.de>
1858 * gimple.c (gimple_decl_printable_name): Deal gracefully
1859 with a NULL DECL_NAME.
1861 2010-04-26 Richard Guenther <rguenther@suse.de>
1864 * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
1865 if emitting debug information and it is either a function
1866 or a namespace decl.
1868 2010-04-26 Ira Rosen <irar@il.ibm.com>
1870 * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
1871 determine if the statement is vectorizable, and a macro to access it.
1872 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1873 Skip statements that can't be vectorized. If the analysis fails,
1874 mark the statement as unvectorizable if vectorizing basic block.
1875 (vect_compute_data_refs_alignment): Likewise.
1876 (vect_verify_datarefs_alignment): Skip statements marked as
1877 unvectorizable. Add print.
1878 (vect_analyze_group_access): Skip statements that can't be
1879 vectorized. If the analysis fails, mark the statement as
1880 unvectorizable if vectorizing basic block.
1881 (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
1882 * tree-vect-stmts.c (vectorizable_store): Fix the number of
1883 generated stmts for SLP.
1884 (new_stmt_vec_info): Initialize the new field.
1885 * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
1886 statements marked as unvectorizable.
1888 2010-04-25 Joseph Myers <joseph@codesourcery.com>
1890 * c-common.c (flag_isoc1x): New.
1891 (flag_isoc99): Update comment.
1892 * c-common.h (flag_isoc1x): New.
1893 (flag_isoc99): Update comment.
1894 * c-cppbuiltin.c (builtin_define_float_constants): Also define
1895 __<type>_DECIMAL_DIG__.
1896 * c-opts.c (set_std_c1x): New.
1897 (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
1898 (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
1899 * c.opt (-std=c1x, -std=gnu1x): New options.
1900 * doc/cpp.texi: Mention -std=c1x.
1901 * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
1902 * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
1903 * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
1904 * doc/standards.texi: Mention C1X.
1905 * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
1906 LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
1907 LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
1910 2010-04-25 Uros Bizjak <ubizjak@gmail.com>
1912 * config/i386/gmon-sol2.c (_mcleanup): Change format string
1913 placeholder from 0x%x to %#x.
1914 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1915 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1916 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1917 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1918 * config/i386/i386.c (ix86_target_string): Ditto.
1919 (output_pic_addr_const): Ditto.
1920 (print_operand): Ditto.
1922 2010-04-25 Paolo Bonzini <bonzini@gnu.org>
1924 * combine.c (find_split_point): Add third argument. Use it
1925 to find nested multiply-accumulate instructions. Adjust calls.
1926 (try_combine): Adjust call to find_split_point.
1928 2010-04-24 Gerald Pfeifer <gerald@pfeifer.com>
1930 * doc/contrib.texi (Contributors): Add Dodji Seketeli.
1932 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
1934 PR tree-optimization/41442
1935 * fold-const.c (merge_truthop_with_opposite_arm): New function.
1936 (fold_binary_loc): Call it.
1938 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
1940 * toplev.c (general_init): Set default for fdiagnostics-show-option.
1941 * opts.c (common_handle_option): Allow disabling it.
1942 * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
1944 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
1946 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
1947 between modes if both types are integral.
1949 2010-04-23 Richard Guenther <rguenther@suse.de>
1951 PR tree-optimization/43572
1952 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
1954 2010-04-23 Richard Guenther <rguenther@suse.de>
1957 * tree-inline.c (tree_can_inline_p): Also check compatibility
1960 2010-04-23 Martin Jambor <mjambor@suse.cz>
1962 PR tree-optimization/43846
1963 * tree-sra.c (struct access): New flag grp_assignment_read.
1964 (build_accesses_from_assign): Set grp_assignment_read.
1965 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
1966 (enum mark_read_status): New type.
1967 (analyze_access_subtree): Propagate grp_assignment_read, create
1968 accesses also if both direct_read and root->grp_assignment_read.
1970 2010-04-23 Martin Jambor <mjambor@suse.cz>
1973 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
1974 function does not have type attributes.
1976 2010-04-23 Richard Guenther <rguenther@suse.de>
1979 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
1982 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1984 * sese.h (create_if_region_on_edge): Remove.
1986 * sese.c (create_if_region_on_edge): Make static.
1988 * tree-inline.c: Do not include ggc.h.
1990 * expr.c: Do not include ggc.h.
1992 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
1995 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
1998 * config/sh/sh.c (find_barrier): Don't emit a constant pool
1999 in the middle of insns for casesi_worker_2.
2001 2010-04-22 David Edelsohn <edelsohn@gnu.org>
2003 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
2005 2010-04-22 Ira Rosen <irar@il.ibm.com>
2007 PR tree-optimization/43842
2008 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
2009 loop unrolling in update of exit phis. Fix comment.
2010 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
2011 least two reduction statements in the loop before starting SLP
2014 2010-04-22 Nick Clifton <nickc@redhat.com>
2016 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
2018 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
2020 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
2023 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2025 * tree-parloops.c (loop_parallel_p): New argument
2026 parloop_obstack. Pass it down.
2027 (parallelize_loops): New variable parloop_obstack. Initialize it,
2028 pass it down, free it.
2030 * tree-loop-linear.c (linear_transform_loops): Pass down
2033 * tree-data-ref.h (lambda_compute_access_matrices): New argument
2034 of type struct obstack *.
2036 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
2037 scratch_obstack. Initialize it, pass down, free it.
2039 * lambda.h (lambda_loop_new): Remove.
2040 (lambda_matrix_new, lambda_matrix_inverse)
2041 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
2042 argument of type struct obstack *.
2044 * lambda-trans.c (lambda_trans_matrix_new): New argument
2045 lambda_obstack. Pass it down, use obstack allocation for ret.
2046 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
2049 * lambda-mat.c (lambda_matrix_get_column)
2050 (lambda_matrix_project_to_null): Remove.
2051 (lambda_matrix_new): New argument lambda_obstack. Use obstack
2053 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
2056 * lambda-code.c (lambda_loop_new): New function.
2057 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
2058 (lambda_compute_auxillary_space, lambda_compute_target_space)
2059 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
2060 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
2061 (build_access_matrix): New argument lambda_obstack. Use obstack
2063 (lambda_compute_step_signs, lambda_compute_access_matrices): New
2064 argument lambda_obstack. Pass it down.
2066 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
2068 * optabs.h (expand_widening_mult): Declare.
2070 2010-04-22 Richard Guenther <rguenther@suse.de>
2072 PR tree-optimization/43845
2073 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
2074 lookup the CALL_EXPR function and arguments.
2076 2010-04-22 Nick Clifton <nickc@redhat.com>
2078 * config/stormy16/stormy16.c
2079 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
2080 * config/stormy16/stormy16.h: Tidy up formatting.
2081 (DONT_USE_BUILTIN_SETJMP): Remove definition.
2082 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
2083 (ineqbranchsi): Delete pattern.
2084 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
2085 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
2086 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
2087 stormy16-lib2-ucmpsi2.c.
2089 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
2091 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
2092 df_simulate_find_noclobber_defs as appropriate. Keep track of an
2093 extra set merge_set_noclobber, and use it to relax the final test
2095 * df.h (df_simulate_find_noclobber_defs): Declare.
2096 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
2098 (df_simulate_find_noclobber_defs): New function.
2100 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
2102 * config/i386/i386.md: Use {} around multi-line preparation statements.
2104 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2106 * c-tree.h (push_init_level, pop_init_level, set_init_index)
2107 (process_init_element): New argument of type struct obstack *.
2109 * c-typeck.c (push_init_level, pop_init_level, set_designator)
2110 (set_init_index, set_init_label, set_nonincremental_init)
2111 (set_nonincremental_init_from_string, find_init_member)
2112 (output_init_element, output_pending_init_elements)
2113 (process_init_element): New argument braced_init_obstack. Pass it
2115 (push_range_stack, add_pending_init): New argument
2116 braced_init_obstack. Use obstack allocation.
2118 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
2119 braced_init_obstack. Pass it down.
2120 (c_parser_braced_init): New variables ret, braced_init_obstack.
2121 Initialize obstack, pass it down and finally free it.
2123 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
2126 * tree-pass.h (pass_optimize_widening_mul): Declare.
2127 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
2128 gate_optimize_widening_mul): New static functions.
2129 (pass_optimize_widening_mul): New.
2130 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
2131 <case MULT_EXPR>: Remove support for widening multiplies.
2132 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
2133 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
2134 simplify_gen_unary rather than directly building extensions.
2135 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
2137 * expmed.c (expand_widening_mult): New function.
2138 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
2140 2010-04-21 Jan Hubicka <jh@suse.cz>
2142 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
2143 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
2144 * lto-wpa-fixup.c: Remove.
2145 * Makefile.in (lto-wpa-fixup.o): Remove.
2146 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
2147 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
2148 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
2150 2010-04-21 Jan Hubicka <jh@suse.cz>
2152 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
2153 add write_optimization_summary, read_optimization_summary.
2154 (ipa_write_summaries_of_cgraph_node_set): Remove.
2155 (ipa_write_optimization_summaries): Declare.
2156 (ipa_read_optimization_summaries): Declare.
2157 * ipa-cp.c (pass_ipa_cp): Update.
2158 * ipa-reference.c (pass_ipa_reference): Update.
2159 * ipa-pure-const.c (pass_ipa_pure_const): Update.
2160 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
2162 * ipa-inline.c (pass_ipa_inline): Update.
2163 * ipa.c (pass_ipa_whole_program): Update.
2164 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
2165 * passes.c (ipa_write_summaries_1): Do not test wpa.
2166 (ipa_write_optimization_summaries_1): New.
2167 (ipa_write_optimization_summaries): New.
2168 (ipa_read_summaries): Do not test ltrans.
2169 (ipa_read_optimization_summaries_1): New.
2170 (ipa_read_optimization_summaries): New.
2172 2010-04-21 Jan Hubicka <jh@suse.cz>
2174 * lto-cgraph.c (lto_output_node): Do not output comdat groups
2176 (output_cgraph): Do not arrange comdat groups for boundary nodes.
2178 2010-04-21 Jakub Jelinek <jakub@redhat.com>
2181 * dwarf2out.c (add_name_and_src_coords_attributes): Add
2182 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
2184 2010-04-21 Jan Hubicka <jh@suse.cz>
2186 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
2188 2010-04-21 Jan Hubicka <jh@suse.cz>
2190 * varpool.c (decide_is_variable_needed): Variable is always needed
2193 2010-04-21 Jan Hubicka <jh@suse.cz>
2195 * opts.c (decode_options): Enable pure-const pass for whopr.
2197 2010-04-21 Jan Hubicka <jh@suse.cz>
2199 * cgraph.c (dump_cgraph_node): Dump also assembler name.
2200 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
2202 (cgraph_decide_inlining): Do not expect callee to be removed in all
2205 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
2207 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
2209 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
2211 * config/i386/i386.md (x86_shrd): Add athlon_decode and
2212 amdfam10_decode attributes.
2214 2010-04-21 Jakub Jelinek <jakub@redhat.com>
2217 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
2218 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
2219 (lower_copyprivate_clauses): Use private var in outer
2220 context instead of original var. Make sure the types
2221 are correct for VLAs.
2223 2010-04-21 Richard Guenther <rguenther@suse.de>
2225 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
2226 to non-pointer objects.
2228 2010-04-21 Jakub Jelinek <jakub@redhat.com>
2230 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
2231 last chain entry if it starts with the still current label.
2232 (add_location_or_const_value_attribute): Check that
2233 loc_list->first->next is NULL instead of comparing ->first with ->last.
2234 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
2235 to add_var_loc_to_decl.
2237 * dwarf2out.c (output_call_frame_info): For dw_cie_version
2238 >= 4 add also address size and segment size fields into CIE header.
2240 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
2241 long as address size is the same as sizeof (void *) and
2243 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
2244 address size or segment size is unexpected, return DW_EH_PE_omit.
2245 (classify_object_over_fdes): If get_cie_encoding returned
2246 DW_EH_PE_omit, return -1.
2247 (init_object): If classify_object_over_fdes returned -1,
2248 pretend there were no FDEs at all.
2250 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
2252 * config/i386/i386.md (bswap<mode>2): Macroize expander from
2253 bswap{si,di}2 using SWI48 mode iterator.
2254 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
2255 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
2256 set modrm attribute of bswap insn to 0 and remove length attribute.
2257 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
2258 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
2259 set mode attribute to <MODE> and remove length attribute.
2261 2010-04-20 James E. Wilson <wilson@codesourcery.com>
2263 PR rtl-optimization/43520
2264 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
2265 zero available registers.
2267 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2269 * builtins.c (fold_builtin_cproj): Fold more cases.
2271 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2273 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
2274 (fold_builtin_1): Fold builtin cproj.
2275 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
2276 Use ATTR_CONST_NOTHROW_LIST.
2278 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
2280 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
2281 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
2282 ffsi2_no_cmove for !TARGET_CMOVE.
2283 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
2284 (ffssi2): Remove expander.
2285 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
2287 (ctz<mode>2): Ditto from ctz{si,di}2.
2288 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
2290 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
2293 2010-04-20 Jakub Jelinek <jakub@redhat.com>
2295 * dwarf2out.c (AT_linkage_name): Define.
2296 (clone_as_declaration): Handle DW_AT_linkage_name.
2297 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
2298 of DW_AT_MIPS_linkage_name.
2299 (move_linkage_attr): Likewise.
2300 (dwarf2out_finish): Likewise.
2302 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
2305 * fold-const.c (fold_comparison): New folding rule.
2307 2010-04-20 Anatoly Sokolov <aesok@post.ru>
2309 * double-int.h (double_int_setbit): Declare.
2310 * double-int.c (double_int_setbit): New function.
2311 * rtl.h (immed_double_int_const): Declare.
2312 * emit-rtl.c (immed_double_int_const): New function.
2313 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
2314 and immed_double_int_const functions.
2315 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
2316 expand_copysign_bit): (Ditto.).
2317 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
2318 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
2319 * dojump.c (prefer_and_bit_test): (Ditto.).
2320 * expr.c (convert_modes, reduce_to_bit_field_precision,
2321 const_vector_from_tree): (Ditto.).
2322 * expmed.c (mask_rtx, lshift_value): (Ditto.).
2324 2010-04-20 Jan Hubicka <jh@suse.cz>
2326 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
2327 (dump_cgraph_node): Dump new flags.
2328 * cgraph.h (struct cgraph_node): Add flags
2329 reachable_from_other_partition and in_other_partition.
2330 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
2331 other partition can not be removed.
2332 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
2333 the other partition must be output; silence sanity checking on
2334 leaking functions bodies from other paritition.
2335 * lto-cgraph.c (reachable_from_other_partition_p): New function.
2336 (lto_output_node): Output new flags; do not sanity check that inline
2337 clones are output; drop lto_forced_extern_inline_p code; do not mock
2338 visibility flags at partition boundaries.
2339 (add_node_to): New function.
2340 (output_cgraph): Use it to sort functions so masters appear before
2342 (input_overwrite_node): Input new flags.
2343 * passes.c (ipa_write_summaries): Do not call
2344 lto_new_extern_inline_states.
2345 * lto-section-out.c (forced_extern_inline,
2346 lto_new_extern_inline_states lto_delete_extern_inline_states,
2347 lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
2348 * lto-streamer.h (lto_new_extern_inline_states,
2349 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
2350 lto_forced_extern_inline_p): Kill.
2352 2010-04-20 Richard Guenther <rguenther@suse.de>
2354 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
2355 from vars that can have pointers.
2356 (process_constraint): Dump useless constraints.
2358 2010-04-20 Richard Guenther <rguenther@suse.de>
2360 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
2361 (dump_sa_points_to_info): Remove asserts.
2362 (init_base_vars): nothing_id isn't an escape point nor does it
2365 2010-04-20 Jakub Jelinek <jakub@redhat.com>
2367 * tree.h (TYPE_REF_IS_RVALUE): Define.
2368 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
2369 should_move_die_to_comdat, prune_unused_types_walk): Handle
2370 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
2371 (modified_type_die, gen_reference_type_die): Emit
2372 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
2373 if TYPE_REF_IS_RVALUE and -gdwarf-4.
2375 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2378 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
2379 calls for -fpic -m31 if they have been sibcall optimized.
2381 2010-04-19 James E. Wilson <wilson@codesourcery.com>
2383 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
2384 ar.lc fixed and call-used.
2386 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
2388 2010-04-19 Jan Hubicka <jh@suse.cz>
2390 * opts.c (decode_options): Disable whpr incompatible passes.
2391 * lto/lto.c (lto_1_to_1_map): Skip clones.
2392 (read_cgraph_and_symbols): Do not mark everything as needed.
2393 (do_whole_program_analysis): Do map only after optimizing;
2394 set proper cgraph_state; use passmanager.
2396 2010-04-19 DJ Delorie <dj@redhat.com>
2398 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
2399 POINTER_PLUS_EXPR and fix them.
2401 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
2403 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
2404 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
2405 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
2406 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
2407 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
2408 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
2409 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
2410 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
2411 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
2412 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
2413 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
2415 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
2417 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
2418 (check_cond_move_block): Likewise.
2419 (cond_move_process_if_block): Likewise.
2420 (noce_find_if_block): Improve formatting.
2421 (find_if_header): Pass 0 to memset and tweak conditions.
2422 (cond_exec_find_if_block): Fix long lines and tweak conditions.
2424 2010-04-19 Jakub Jelinek <jakub@redhat.com>
2426 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
2430 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
2431 with non-local decl doesn't need chain.
2433 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
2435 * ira-color.c (allocno_reload_assign): Avoid accumulating
2436 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
2438 2010-04-19 Martin Jambor <mjambor@suse.cz>
2440 * gimple.h (create_tmp_reg): Declare.
2441 * gimplify.c (create_tmp_reg): New function.
2442 (gimplify_return_expr): Use create_tmp_reg.
2443 (gimplify_omp_atomic): Likewise.
2444 (gimple_regimplify_operands): Likewise.
2445 * tree-dfa.c (make_rename_temp): Likewise.
2446 * tree-predcom.c (predcom_tmp_var): Likewise.
2447 (reassociate_to_the_same_stmt): Likewise.
2448 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
2449 (get_replaced_param_substitute): Likewise.
2450 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
2451 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
2452 * tree-ssa-pre.c (get_representative_for): Likewise.
2453 (create_expression_by_pieces): Likewise.
2454 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
2455 (create_tailcall_accumulator): Likewise.
2457 2010-04-19 Martin Jambor <mjambor@suse.cz>
2459 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
2461 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
2463 2010-04-19 Richard Guenther <rguenther@suse.de>
2465 PR tree-optimization/43796
2466 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
2467 from SCEV in the lattice.
2468 (vrp_visit_phi_node): Dump change.
2470 2010-04-19 Richard Guenther <rguenther@suse.de>
2472 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
2473 * configure: Re-generated.
2475 2010-04-19 Richard Guenther <rguenther@suse.de>
2477 PR tree-optimization/43783
2478 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
2479 constant ARRAY_REF operands two and three if possible.
2481 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
2484 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
2486 2010-04-19 Jie Zhang <jie@codesourcery.com>
2489 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
2491 2010-04-19 Ira Rosen <irar@il.ibm.com>
2493 PR tree-optimization/37027
2494 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
2495 and macro to access it.
2496 (vectorizable_reduction): Add argument.
2497 (vect_get_slp_defs): Likewise.
2498 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
2499 statements for possible use in SLP.
2500 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
2501 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
2502 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
2504 (vectorizable_reduction): Likewise.
2505 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
2507 (vectorizable_type_demotion, vectorizable_type_promotion,
2508 vectorizable_store): Likewise.
2509 (vect_analyze_stmt): Update call to vectorizable_reduction.
2510 (vect_transform_stmt): Likewise.
2511 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
2512 (vect_build_slp_tree): Fix indentation. Check that there are no loads
2513 from different interleaving chains in same node.
2514 (vect_slp_rearrange_stmts): New function.
2515 (vect_supported_load_permutation_p): Allow load permutations for
2516 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
2517 inside SLP nodes if necessary.
2518 (vect_analyze_slp_instance): Handle reductions.
2519 (vect_analyze_slp): Try to build SLP instances originating from groups
2521 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
2522 (vect_get_constant_vectors): Create initial vectors for reductions
2523 according to reduction code. Add new argument.
2524 (vect_get_slp_defs): Add new argument, pass it to
2525 vect_get_constant_vectors.
2526 (vect_schedule_slp_instance): Remove SLP tree root statements.
2528 2010-04-19 Jakub Jelinek <jakub@redhat.com>
2530 * tree.h (ENUM_IS_SCOPED): Define.
2531 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
2532 for ENUM_IS_SCOPED enums.
2534 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
2536 * fold-const.c (fold_comparison): Use ssizetype.
2537 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
2538 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
2539 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
2540 * tree-object-size.c (compute_object_sizes): Use size_type_node.
2542 * tree.h (initialize_sizetypes): Remove parameter.
2543 (build_common_tree_nodes): Remove second parameter.
2544 * stor-layout.c (initialize_sizetypes): Remove parameter.
2545 Always create an unsigned type.
2546 (set_sizetype): Assert that the passed type is unsigned and simplify.
2547 * tree.c (build_common_tree_nodes): Remove second parameter.
2548 Adjust call to initialize_sizetypes.
2549 * c-decl.c (c_init_decl_processing): Remove second argument in call to
2550 build_common_tree_nodes.
2552 2010-04-18 Matthias Klose <doko@ubuntu.com>
2554 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
2556 2010-04-18 Ira Rosen <irar@il.ibm.com>
2558 PR tree-optimization/43771
2559 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
2560 load permutation doesn't have gaps.
2562 2010-04-18 Jan Hubicka <jh@suse.cz>
2564 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
2565 (sse_prologue_save_insn expander): Use new pattern.
2566 (sse_prologue_save_insn1): New pattern and splitter.
2567 (sse_prologue_save_insn): Update to deal also with 64bit aligned
2569 * i386.c (setup_incoming_varargs_64): Do not compute jump
2571 (ix86_gimplify_va_arg): Update alignment needed.
2572 (ix86_local_alignment): Do not align all local arrays to 128bit.
2574 2010-04-17 Jan Hubicka <jh@suse.cz>
2576 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
2578 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
2580 * arm.md (negdi2): Remove redundant code to force values into a
2583 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
2585 * arm/bpabi.S: Add EABI alignment attributes to objects.
2586 * arm/bpabi-v6m.S: Likewise.
2587 * arm/crti.asm: Likewise.
2588 * arm/crtn.asm: Likewise.
2589 * arm/lib1funcs.asm: Likewise.
2590 * arm/libunwind.S: Likewise.
2592 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
2594 * arm-protos.h (tune_params): New structure.
2595 * arm.c (current_tune): New variable.
2596 (arm_constant_limit): Delete.
2597 (struct processors): Add pointer to the tune parameters.
2598 (arm_slowmul_tune): New tuning option.
2599 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
2600 (all_cores): Adjust to pick up the tuning model.
2601 (arm_constant_limit): New function.
2602 (arm_override_options): Select the appropriate tuning model. Delete
2603 initialization of arm_const_limit.
2604 (arm_split_constant): Use the new constant-limit model.
2605 (arm_rtx_costs): Pick up the current tuning model.
2606 * arm.md (is_strongarm, is_xscale): Delete.
2607 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
2608 for Xscale variant architectures.
2609 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
2611 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2613 * config/arm/arm.c (arm_gen_constant): Remove unused variable
2615 (arm_rtx_costs_1): Remove unused variable extra_cost.
2616 (arm_unwind_emit_set): Use variable offset.
2617 (thumb1_output_casesi): Remove unused variable flags.
2619 2010-04-16 Jeff Law <law@redhat.com>
2621 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
2622 needing assignment rather than doing a two-phase assignment. Remove
2623 unused variable 'm'.
2625 2010-04-16 Jakub Jelinek <jakub@redhat.com>
2628 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
2630 2010-04-16 Doug Kwan <dougkwan@google.com>
2632 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
2633 (next_operand_entry_id): New static variable.
2634 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
2635 (add_to_ops_vec): Assigned unique ID to operand entry.
2636 (struct oecount_s): New field ID.
2637 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
2638 (undistribute_ops_list): Assign unique IDs to oecounts.
2639 (init_reassoc): reset next_operand_entry_id.
2641 2010-04-16 Doug Kwan <dougkwan@google.com>
2643 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
2644 missing left parenthesis.
2646 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
2648 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
2649 *btdi_rex64 using SWI48 mode iterator.
2650 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
2651 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
2652 *jcc_btdi_mask_rex64.
2654 2010-04-16 Anatoly Sokolov <aesok@post.ru>
2656 * double-int.h (tree_to_double_int): Convert to macro.
2657 * double-int.c (tree_to_double_int): Remove.
2659 2010-04-16 Jakub Jelinek <jakub@redhat.com>
2662 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
2663 with want_address 2 and in case a single element list might be
2664 possible, call it again with want_address 0.
2666 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
2668 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
2669 case 'W' print operands for HI mode.
2670 * config/h8300/h8300.h (Y0, Y2) : New constraints.
2671 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
2672 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
2673 * config/h8300/predicate.md (bit_register_indirect_operand): New.
2675 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
2677 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
2678 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
2679 #xx:3 and #xx:4 mode.
2681 * config/h8300/h8300.md (inverted load with HImode dest): Add
2682 support for H8300SX.
2684 * config/h8300/predicate.md (bit_operand): Allow immediate values that
2685 satisfy 'U' constraint.
2687 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2689 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
2690 * configure: Regenerate.
2691 * config.in: Regenerate.
2692 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
2695 2010-04-16 Richard Guenther <rguenther@suse.de>
2697 * tree.h (struct tree_decl_minimal): Move pt_uid ...
2698 (struct tree_decl_common): ... here.
2699 (DECL_PT_UID): Adjust.
2700 (SET_DECL_PT_UID): Likewise.
2701 (DECL_PT_UID_SET_P): Likewise.
2703 2010-04-16 Richard Guenther <rguenther@suse.de>
2705 PR tree-optimization/43572
2706 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
2707 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
2708 * tree-flow.h (is_call_clobbered): Remove.
2709 * tree-flow-inline.h (is_call_clobbered): Likewise.
2710 * tree-dfa.c (dump_variable): Do not dump call clobber state.
2711 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
2712 (execute_return_slot_opt): Adjust.
2713 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
2714 check for call clobbered vars here.
2715 (find_tail_calls): Move tailcall verification to the
2718 2010-04-16 Diego Novillo <dnovillo@google.com>
2720 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
2722 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
2725 * config/arm/arm.md (cbranchqi4): New pattern.
2726 * config/arm/predicates.md (const0_operand,
2727 cbranchqi4_comparison_operator): New predicates.
2729 2010-04-16 Richard Guenther <rguenther@suse.de>
2731 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
2732 (dump_gimple_stmt): Likewise.
2734 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
2736 * recog.h (struct recog_data): New field is_operator.
2737 (struct insn_operand_data): New field is_operator.
2738 * recog.c (extract_insn): Set recog_data.is_operator.
2739 * genoutput.c (output_operand_data): Emit code to set the
2741 * reload.c (find_reloads): Use it rather than testing for an
2742 empty constraint string.
2745 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
2746 If the previous insn is a cbranchsi4_insn with the same arguments,
2747 omit the compare instruction.
2749 * config/arm/arm.md (addsi3_cbranch): If destination is a high
2750 register, inputs must be low registers and we need a low register
2751 scratch. Handle alternative 2 like alternative 3.
2753 2010-04-16 Jakub Jelinek <jakub@redhat.com>
2755 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
2756 don't call get_addr on both. If one expression is a VALUE and
2757 the other a REG, check VALUE's locs if the REG isn't among them.
2759 2010-04-16 Christian Bruel <christian.bruel@st.com>
2761 * config/sh/sh.h (sh_frame_pointer_required): New function.
2762 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
2763 (flag_omit_frame_pointer) Set.
2764 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
2765 (rounded_frame_size): Adjust size with outgoing_args_size.
2766 (sh_set_return_address): Must return from stack pointer.
2767 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
2768 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
2769 (ACCUMULATE_OUTGOING_ARGS): Define.
2770 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
2771 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
2773 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
2776 * config/sh/sh.c (sh_legitimize_reload_address): Use
2777 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
2778 Remove a unneeded check for offset_base.
2780 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
2782 * configure: Regenerated.
2784 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2786 * config/s390/s390.c (s390_call_save_register_used): Switch back
2787 to HARD_REGNO_NREGS.
2789 2010-04-15 Richard Guenther <rguenther@suse.de>
2791 * alias.c (alias_set_subset_of): Handle alias-set zero
2794 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
2795 Julian Brown <julian@codesourcery.com>
2797 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
2798 alternatives according to use of high and low regs.
2799 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
2800 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
2801 optimizing for size on Thumb-2.
2803 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
2805 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
2807 2010-04-15 Richard Guenther <rguenther@suse.de>
2809 * tree-ssa-structalias.c (struct variable_info): Add
2811 (new_var_info): Initialize it.
2812 (dump_constraints): Support printing last added constraints.
2813 (debug_constraints): Adjust.
2814 (dump_constraint_graph): Likewise.
2815 (make_heapvar_for): Check for NULL cfun.
2816 (get_function_part_constraint): New function.
2817 (get_fi_for_callee): Likewise.
2818 (find_func_aliases): Properly implement IPA PTA constraints.
2819 (process_ipa_clobber): New function.
2820 (find_func_clobbers): Likewise.
2821 (insert_into_field_list_sorted): Remove.
2822 (create_function_info_for): Properly allocate vars for IPA mode.
2823 Do not use insert_into_field_list_sorted.
2824 (create_variable_info_for): Properly generate constraints for
2825 global vars in IPA mode.
2826 (dump_solution_for_var): Always dump the solution.
2827 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
2828 (find_what_var_points_to): Adjust.
2829 (pt_solution_set): Change.
2830 (pt_solution_ior_into): New function.
2831 (pt_solution_empty_p): Export.
2832 (pt_solution_includes_global): Adjust.
2833 (pt_solution_includes_1): Likewise.
2834 (pt_solutions_intersect_1): Likewise.
2835 (dump_sa_points_to_info): Check some invariants.
2836 (solve_constraints): Move constraint dumping ...
2837 (compute_points_to_sets): ... here.
2838 (ipa_pta_execute): ... and here.
2839 (compute_may_aliases): Do not re-compute points-to info
2840 locally if IPA info is available.
2841 (ipa_escaped_pt): New global var.
2842 (ipa_pta_execute): Properly implement IPA PTA.
2843 * tree-into-ssa.c (dump_decl_set): Support dumping
2844 decls not in referenced-vars.
2845 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
2846 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
2847 (dump_points_to_solution): Likewise.
2848 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
2849 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
2850 (remap_gimple_stmt): Reset call clobber/use information if necessary.
2851 (copy_decl_to_var): Copy DECL_PT_UID.
2852 (copy_result_decl_to_var): Likewise.
2853 * tree.c (make_node_stat): Initialize DECL_PT_UID.
2854 (copy_node_stat): Copy it.
2855 * tree.h (DECL_PT_UID): New macro.
2856 (SET_DECL_PT_UID): Likewise.
2857 (DECL_PT_UID_SET_P): Likewise.
2858 (struct tree_decl_minimal): Add pt_uid member.
2859 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
2860 (pt_solution_empty_p): Declare.
2861 (pt_solution_set): Adjust.
2862 (ipa_escaped_pt): Declare.
2863 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
2864 * gimple-pretty-print.c (pp_points_to_solution): New function.
2865 (dump_gimple_call): Dump call clobber/use information.
2866 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
2867 * tree-pass.h (TDF_ALIAS): New dump option.
2868 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
2869 * doc/invoke.texi (-fipa-pta): Update documentation.
2871 2010-04-15 Richard Guenther <rguenther@suse.de>
2873 * Makefile.in (OBJS-common): Add gimple-fold.o.
2874 (gimple-fold.o): New rule.
2875 * tree.h (maybe_fold_offset_to_reference,
2876 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
2878 * gimple.h: ... here.
2879 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
2880 may_propagate_address_into_dereference): Move prototypes ...
2881 * gimple.h: ... here.
2882 * tree-ssa-ccp.c (get_symbol_constant_value,
2883 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
2884 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
2885 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
2886 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
2887 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
2888 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
2889 gimplify_and_update_call_from_tree): Move ...
2890 * gimple-fold.c: ... here. New file.
2891 (ccp_fold_builtin): Rename to ...
2892 (gimple_fold_builtin): ... this.
2893 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
2895 2010-04-15 Richard Guenther <rguenther@suse.de>
2897 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
2898 fit_double_type, force_fit_type_double, add_double_with_sign,
2899 neg_double, mul_double_with_sign, lshift_double, rshift_double,
2900 lrotate_double, rrotate_double, div_and_round_double): Move ...
2901 * double-int.c: ... here.
2902 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
2903 add_double, neg_double, mul_double_with_sign, mul_double,
2904 lshift_double, rshift_double, lrotate_double, rrotate_double,
2905 div_and_round_double): Move prototypes ...
2906 * double-int.h: ... here.
2908 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
2911 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
2912 matching constraints to ensure inputs match the output.
2914 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
2917 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
2918 in an input-only operand.
2920 2010-04-15 Anatoly Sokolov <aesok@post.ru>
2922 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
2923 (double_int_not, double_int_lshift, double_int_rshift): Declare.
2924 (double_int_negative_p): Convert to static inline function.
2925 * double-int.c (double_int_lshift, double_int_lshift): New functions.
2926 (double_int_negative_p): Remove.
2927 * tree.h (lshift_double, rshift_double):
2928 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
2929 * fold-const.c (fold_convert_const_int_from_real,
2930 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
2931 (lshift_double): Change type of arith argument to bool.
2932 (rshift_double): Change type of arith argument to bool. Correct
2934 * expmed.c (mask_rtx, lshift_value): (Ditto.).
2936 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
2939 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
2940 at the start and end of the then/else blocks, and omit them from the
2942 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
2943 argument; all callers changed. Pass zero to old_insns_match_p instead.
2944 (flow_find_head_matching_sequence): New function.
2945 (old_insns_match_p): Check REG_EH_REGION notes for calls.
2946 * basic-block.h (flow_find_cross_jump,
2947 flow_find_head_matching_sequence): Declare functions.
2949 2010-04-14 Jason Merrill <jason@redhat.com>
2952 * c-common.c (attribute_takes_identifier_p): New fn.
2953 * c-common.h: Declare it.
2955 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2957 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
2959 (*udivmod<mode>4): Ditto.
2961 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2963 * config/i386/i386.md (maxmin_int): Rename code attribute from
2964 maxminiprefix and update all users.
2965 (maxmin_float): Ditto from maxminfprefix.
2966 (logic): Ditto from logicprefix.
2967 (absneg_mnemonic): Ditto from absnegprefix.
2968 * config/i386/mmx.md: Update all users of maxminiprefix,
2969 maxminfprefix and logicprefix for rename.
2970 * config/i386/sse.md: Ditto.
2971 * config/i386/sync.md (sync_<code><mode>): Update for
2974 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
2977 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
2978 warnings converted to errors.
2980 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2982 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
2983 used insn_type variable.
2984 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
2985 to avoid set-but-not-used warning.
2987 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2989 * df-core.c (df_ref_debug): Change format string placeholder
2991 * dwarf2asm.c (dw2_asm_output_data_raw,
2992 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
2993 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
2994 * dwarf2out.c (output_cfi, output_cfi_directive,
2995 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
2996 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
2998 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
2999 * print-rtl.c (print_rtx): Ditto.
3001 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
3004 * builtins.c (expand_builtin_pow_root): New function to expand pow
3005 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
3006 series of sqrt and cbrt calls under -ffast-math.
3007 (expand_builtin_pow): Call it.
3009 2010-04-14 Michael Matz <matz@suse.de>
3011 PR tree-optimization/42963
3012 * tree-cfg.c (touched_switch_bbs): New static variable.
3013 (group_case_labels_stmt): New function broken out from ...
3014 (group_case_labels): ... here, use the above.
3015 (start_recording_case_labels): Allocate touched_switch_bbs.
3016 (end_recording_case_labels): Deallocate it, call
3017 group_case_labels_stmt.
3018 (gimple_redirect_edge_and_branch): Remember index of affected BB.
3020 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
3022 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
3025 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
3027 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
3029 2010-04-13 Jan Hubicka <jh@suse.cz>
3031 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
3032 of optimized out static functions.
3033 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
3034 cost computation. Also sanity check for overflows.
3035 (update_caller_keys): Update cgraph_edge_badness call; properly
3036 update fibheap and sanity check that it is up to date.
3037 (add_new_edges_to_heap): Update cgraph_edge_badness.
3038 (cgraph_decide_inlining_of_small_function): Likewise;
3039 add sanity checking that badness in heap is up to date;
3040 improve dumping of reason; Update badness of calls to the
3041 offline copy of function currently inlined; dump badness
3042 of functions not inlined because of unit growth limits.
3044 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
3047 * c-common.c (pointer_int_sum): Disregard overflow that occured only
3048 because of sign-extension change when converting to sizetype here...
3049 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
3051 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
3052 the folding to constants. Remove redundant final conversion.
3053 (fold_binary) <associate>: Do not associate if the re-association of
3054 constants alone overflows.
3055 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
3056 to the end of the list.
3057 (multiple_of_p) <COND_EXPR>: New case.
3059 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
3061 * opt-functions.awk (opt_sanitized_name): New.
3063 * optc-gen.awk: Use it
3064 * opth-gen.awk: Use it.
3066 2010-04-13 Martin Jambor <mjambor@suse.cz>
3068 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
3069 (sra_modify_assign): Delete stmts loading dead data even if racc has no
3070 children. Call replace_uses_with_default_def_ssa_name to handle
3073 2010-04-13 Michael Matz <matz@suse.de>
3076 * builtins.c (expand_builtin_interclass_mathfn): Also create
3077 a register if the predicate doesn't match.
3079 2010-04-13 Diego Novillo <dnovillo@google.com>
3081 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
3082 * c-pch.c: Include timevar.h.
3083 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
3084 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
3085 * ggc-common.c: Include timevar.h.
3086 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
3087 * timevar.def (TV_PCH_SAVE): Define.
3088 (TV_PCH_CPP_SAVE): Define.
3089 (TV_PCH_PTR_REALLOC): Define.
3090 (TV_PCH_PTR_SORT): Define.
3091 (TV_PCH_RESTORE): Define.
3092 (TV_PCH_CPP_RESTORE): Define.
3094 2010-04-13 Michael Matz <matz@suse.de>
3096 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
3098 (can_reassociate_p): New function.
3099 (break_up_subtract_bb, reassociate_bb): Use it.
3101 2010-04-13 Richard Guenther <rguenther@suse.de>
3104 * builtins.c (c_readstr): Fix assert.
3106 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
3108 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
3109 when generating cltd insn.
3111 (*ashl<mode>3_1): Remove special handling for register operand 2.
3112 (*ashlsi3_1_zext): Ditto.
3113 (*ashlhi3_1): Ditto.
3114 (*ashlhi3_1_lea): Ditto.
3115 (*ashlqi3_1): Ditto.
3116 (*ashlqi3_1_lea): Ditto.
3117 (*<shiftrt_insn><mode>3_1): Ditto.
3118 (*<shiftrt_insn>si3_1_zext): Ditto.
3119 (*<shiftrt_insn>qi3_1_slp): Ditto.
3120 (*<rotate_insn><mode>3_1): Ditto.
3121 (*<rotate_insn>si3_1_zext): Ditto.
3122 (*<rotate_insn>qi3_1_slp): Ditto.
3124 2010-04-13 Richard Guenther <rguenther@suse.de>
3126 * tree-ssa-structalias.c (callused_id): Remove.
3127 (call_stmt_vars): New.
3128 (get_call_vi): Likewise.
3129 (lookup_call_use_vi): Likewise.
3130 (lookup_call_clobber_vi): Likewise.
3131 (get_call_use_vi): Likewise.
3132 (get_call_clobber_vi): Likewise.
3133 (make_transitive_closure_constraints): Likewise.
3134 (handle_const_call): Adjust to do per-call call-used handling.
3135 (handle_pure_call): Likewise.
3136 (find_what_var_points_to): Remove general callused handling.
3137 (init_base_vars): Likewise.
3138 (init_alias_vars): Initialize call_stmt_vars.
3139 (compute_points_to_sets): Process call-used and call-clobbered
3140 vars for call statements.
3141 (delete_points_to_sets): Free call_stmt_vars.
3143 2010-04-13 Richard Guenther <rguenther@suse.de>
3145 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
3146 Only add RW dependence for dependence distance zero.
3147 Adjust maximal vectorization factor according to dependences.
3148 Move alignment handling ...
3149 (vect_find_same_alignment_drs): ... here. New function.
3150 (vect_analyze_data_ref_dependences): Adjust.
3151 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
3152 (vect_analyze_data_refs): Adjust minimal vectorization factor
3153 according to data references.
3154 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
3155 dependences before determining the vectorization factor.
3156 Analyze alignment after determining the vectorization factor.
3157 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
3158 dependences before alignment.
3159 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
3161 (vect_analyze_data_refs): Likewise.
3162 (MAX_VECTORIZATION_FACTOR): New define.
3164 2010-04-13 Duncan Sands <baldrick@free.fr>
3166 * except.h (lang_eh_type_covers): Remove.
3167 * except.c (lang_eh_type_covers): Likewise.
3169 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3170 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3172 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
3173 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
3174 UNITS_PER_LONG where it is ABI relevant.
3175 (s390_return_addr_rtx): Likewise.
3176 (s390_back_chain_rtx): Likewise.
3177 (s390_frame_area): Likewise.
3178 (s390_frame_info): Likewise.
3179 (s390_initial_elimination_offset): Likewise.
3180 (save_gprs): Likewise.
3181 (s390_emit_prologue): Likewise.
3182 (s390_emit_epilogue): Likewise.
3183 (s390_function_arg_advance): Likewise.
3184 (s390_function_arg): Likewise.
3185 (s390_va_start): Likewise.
3186 (s390_gimplify_va_arg): Likewise.
3187 (s390_function_profiler): Likewise.
3188 (s390_optimize_prologue): Likewise.
3189 (s390_rtx_costs): Likewise.
3190 (s390_secondary_reload): Likewise.
3191 (s390_promote_function_mode): Likewise.
3192 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
3193 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
3194 registers available.
3195 (s390_unwind_word_mode): New function.
3196 (s390_function_value): Split 64 bit values into register pair if
3197 used as return value.
3198 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
3199 function call parameters. Handle parallels.
3200 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
3201 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
3202 (DWARF_CIE_DATA_ALIGNMENT): New macro.
3203 (s390_expand_setmem): Remove unused variable src_addr.
3204 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
3205 deal with 64 bit registers.
3206 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
3207 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
3208 (UNITS_PER_LONG): New macro.
3209 * libjava/include/s390-signal.h: Define extended ucontext
3210 structure containing the upper halfs of the 64 bit registers.
3212 2010-04-13 Simon Baldwin <simonb@google.com>
3214 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
3216 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
3218 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
3219 rvalue on the RHS if the LHS is of a non-renamable type.
3220 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
3222 2010-04-13 Matthias Klose <doko@ubuntu.com>
3224 * gcc.c (cc1_options): Handle -iplugindir before processing
3225 the cc1 spec. Only add -iplugindir once.
3226 (cpp_unique_options): Add -iplugindir option if -fplugin* options
3228 * common.opt (iplugindir): Remove `Separate' property, initialize.
3229 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
3231 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
3232 (distclean): Remove plugin dir.
3233 * doc/invoke.texi: Document -iplugindir.
3235 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
3237 * doc/plugins.texi (Loading Plugins): Document short
3238 -fplugin=foo option.
3239 (Plugin API): Mention default_plugin_dir_name function.
3241 * gcc.c (find_file_spec_function): Add new declaration.
3242 (static_spec_func): Use it for "find-file".
3243 (find_file_spec_function): Add new function.
3244 (cc1_options): Add -iplugindir option if -fplugin* options found.
3246 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
3248 * plugin.c (add_new_plugin): Updated comment, and handle short
3250 (default_plugin_dir_name): Added new function.
3252 * common.opt (iplugindir): New option to set the plugin directory.
3254 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
3256 * config/i386/i386.md (any_rotate): New code iterator.
3257 (rotate_insn): New code attribute.
3259 (SWIM124): New mode iterator.
3260 (<rotate_insn>ti3): New expander.
3261 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
3262 any_rotate code iterator.
3263 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
3264 using any_rotate code iterator and SWIM124 mode iterator.
3265 (ix86_rotlti3): New insn_and_split pattern.
3266 (ix86_rotrti3): Ditto.
3267 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
3268 ix86_rotl{di,ti}3 patterns.
3269 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
3270 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
3271 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
3272 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
3273 code iterator and SWI mode iterator.
3274 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
3275 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
3277 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
3278 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
3279 (bswap rotatert splitter): Add splitter.
3280 (bswap splitter): Macroize splitter using any_rotate code iterator.
3281 Add insn predicate to split only for TARGET_USE_XCHGB or when
3282 optimizing function for size.
3284 2010-04-12 Steve Ellcey <sje@cup.hp.com>
3286 * config/pa/pa.c (emit_move_sequence): Remove use of
3287 deleted variable flag_argument_noalias.
3289 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3291 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
3293 Add to unsupported targets list.
3294 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
3295 sparc*-sun-solaris2.[567]* from target lists.
3296 * configure: Regenerate.
3297 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
3299 Remove Solaris 7 patch references.
3300 (Specific, sparc-sun-solaris2.7): Removed.
3301 (sparc-sun-solaris2*): Update Solaris 7 example.
3302 (sparc64-*-solaris2*): Likewise.
3304 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3306 * config.build (alpha*-dec-osf4*): Remove.
3307 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
3308 of obsolete configurations.
3309 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
3311 * config/alpha/t-osf4: Renamed to ...
3312 * config/alpha/t-osf5: ... this.
3313 * config/alpha/osf.h: Renamed to ...
3314 * config/alpha/osf5.h: ... this.
3315 Merged old osf5.h contents.
3317 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
3318 (EXTRA_SPECS): Removed.
3319 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
3320 reflect removal of Tru64 UNIX V4.0/V5.0 support.
3323 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3325 * doc/contrib.texi (Contributors, Rainer Orth): Update.
3327 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
3330 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
3331 __thiscall convention.
3333 2010-04-12 Steve Ellcey <sje@cup.hp.com>
3335 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
3337 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
3339 2010-04-12 Steve Ellcey <sje@cup.hp.com>
3341 * function.c (assign_parms_initialize_all): Add unused attribute
3344 2010-04-12 Richard Guenther <rguenther@suse.de>
3346 * gsstruct.def (GSS_CALL): New.
3347 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
3348 * gimple.h: Include tree-ssa-alias.h.
3349 (struct gimple_statement_call): New.
3350 (union gimple_statement_struct_d): Add gimple_call member.
3351 (gimple_call_reset_alias_info): Declare.
3352 (gimple_call_use_set): New function.
3353 (gimple_call_clobber_set): Likewise.
3354 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
3355 * gimple.c (gimple_call_reset_alias_info): New function.
3356 (gimple_build_call_1): Call it.
3357 * lto-streamer-in.c (input_gimple_stmt): Likewise.
3358 * tree-inline.c (remap_gimple_stmt): Likewise.
3359 (expand_call_inline): Remove callused handling.
3360 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
3361 * tree-dfa.c (dump_variable): Likewise.
3362 * tree-parloops.c (parallelize_loops): Likewise.
3363 * tree-ssa.c (init_tree_ssa): Likewise.
3364 (delete_tree_ssa): Likewise.
3365 * tree-flow-inline.h (is_call_used): Remove.
3366 * tree-flow.h (struct gimple_df): Remove callused member.
3367 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
3368 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
3369 (ref_maybe_used_by_call_p_1): Simplify.
3370 (call_may_clobber_ref_p_1): Likewise.
3371 * tree-ssa-structalias.c (compute_points_to_sets): Set
3372 the call stmt used and clobbered sets.
3373 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
3374 (find_tail_calls): Verify the tail call.
3376 2010-04-12 Richard Guenther <rguenther@suse.de>
3378 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
3379 single-iteration always-inline inlining.
3380 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
3381 (cgraph_decide_inlining): Do not handle always-inline specially.
3382 (try_inline): Remove always-inline cycle detection special case.
3383 Do not recurse on always-inlines.
3384 (cgraph_early_inlining): Do not iterate if not optimizing.
3385 (cgraph_gate_early_inlining): remove.
3386 (pass_early_inline): Run unconditionally.
3387 (gate_cgraph_decide_inlining): New function.
3388 (pass_ipa_inline): Use it. Do not run the IPA inliner if
3389 not inlining or optimizing.
3390 (cgraph_decide_inlining_of_small_functions): Also consider
3391 always-inline functions.
3392 (cgraph_default_inline_p): Return true for nodes which should
3393 disregard inline limits.
3394 (estimate_function_body_sizes): Assume zero size and time for
3395 nodes which are marked as disregarding inline limits.
3396 (cgraph_decide_recursive_inlining): Do not perform recursive
3397 inlining on always-inline nodes.
3399 2010-04-12 Jakub Jelinek <jakub@redhat.com>
3402 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
3403 for exprs satisfying handled_component_p.
3405 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
3407 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
3408 non-constant aggregate elements.
3410 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
3411 is a real initialization.
3413 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
3416 * c-decl.c (start_function): Move forward check for nested function.
3418 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
3420 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
3421 * config/sh/sh.c: Include reload.h.
3422 (sh_legitimize_reload_address): New.
3423 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
3424 sh_legitimize_reload_address.
3426 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
3428 * config/sh/sh.md (*movqi_pop): New insn pattern.
3429 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
3431 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
3433 * config/i386/i386.md (any_shiftrt): New code iterator.
3434 (shiftrt_insn): New code attribute.
3436 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
3437 using any_shiftrt code iterator.
3438 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
3439 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
3440 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
3441 pattern from corresponding peephole2 patterns.
3442 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
3443 using any_shiftrt code iterator.
3444 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
3445 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
3446 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
3447 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
3448 *{ashr,lshr}<mode>3_cmp_zext.
3449 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
3451 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
3453 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
3455 (*lshr<mode>3_cconly): Ditto.
3457 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
3459 * config/i386/i386.md (lshr<mode>3): Macroize expander from
3460 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3461 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
3462 pattern from *lshr{di,ti}3_1 and corresponding splitters using
3464 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3465 from corresponding peephole2 patterns.
3466 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
3467 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
3468 and *lshrdi3_1_rex64 using SWI mode iterator.
3469 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
3470 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
3471 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
3472 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
3473 and *lshrdi3_cmp_rex64 using SWI mode iterator.
3474 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
3475 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
3476 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
3477 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
3480 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
3482 * config/i386/i386.md (ashr<mode>3): Macroize expander from
3483 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3484 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
3485 pattern from *ashr{di,ti}3_1 and corresponding splitters using
3487 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3488 from corresponding peephole2 patterns.
3489 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
3490 (ashrsi3_cvt): Rename from ashrsi3_31.
3491 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
3492 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
3493 and x86_64_shift_adj_3 using SWI48 mode iterator.
3494 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
3495 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
3496 and *ashrdi3_1_rex64 using SWI mode iterator.
3497 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
3498 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
3499 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
3500 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
3501 and *ashrdi3_cmp_rex64 using SWI mode iterator.
3502 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
3503 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
3504 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
3505 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
3507 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
3508 * config/i386/i386.c (ix86_split_ashr): Update for renamed
3509 x86_shift<mode>_adj_3 expanders.
3511 2010-04-10 Wei Guozhi <carrot@google.com>
3514 * config/arm/arm.c (arm_pic_static_addr): New function.
3515 (legitimize_pic_address): Call arm_pic_static_addr when it detects
3517 (arm_output_addr_const_extra): Output expression for new pattern.
3518 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
3520 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
3522 * ira-costs.c (record_reg_classes): Ignore alternatives that are
3525 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
3526 * web.c: Include "insn-config.h" and "recog.h".
3527 (union_match_dups): New function.
3528 (web_main): Call it.
3529 (union_defs): Don't try to recognize match_dups.
3531 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
3532 if doing so would replace the entire pattern.
3534 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
3538 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
3539 and splitter pattern. Change splitter operand 1 predicate to
3542 2010-04-09 Martin Jambor <mjambor@suse.cz>
3544 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
3545 lattices are addresses of CONST_DECLs with the same initial value.
3546 (ipcp_print_all_lattices): Print values of CONST_DECLs.
3547 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
3549 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
3550 Bernd Schmidt <bernds@codesourcery.com>
3552 * loop-invariant.c (replace_uses): New static function.
3553 (move_invariant_reg): Use it to ensure we can replace the uses.
3555 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
3557 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
3559 (picochip_override_options): Enable section anchors only above -O1.
3560 (picochip_reorg): Fixed a couple of build warnings.
3562 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3564 * configure.ac (plugin -rdynamic test): Log result.
3565 * configure: Regenerate.
3566 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
3567 (RDYNAMIC_SPEC): Define.
3568 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
3570 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3572 * configure.ac: Determine Sun ld version numbers.
3573 (comdat_group): Restrict GNU ld version checks to gld.
3574 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
3575 (enable_comdat): Support --enable-comdat.
3576 * configure: Regenerate.
3577 * doc/install.texi (Configuration): Document --enable-comdat.
3579 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3581 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
3582 * config/sol2-gld.h: ... here.
3583 * config.gcc (sparc*-*-solaris2*): Reflect this.
3584 (i[34567]86-*-solaris2*): Use it.
3586 2010-04-09 Steve Ellcey <sje@cup.hp.com>
3588 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
3590 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
3592 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
3595 * diagnostic.c (diagnostic_initialize): Initialize
3596 some_warnings_are_errors.
3597 (diagnostic_finish): New.
3598 (diagnostic_action_after_output): Call it before exiting.
3599 (diagnostic_report_diagnostic): Do not print message here. Set
3600 some_warnings_are_errors.
3601 * diagnostic.h (diagnostic_context): Delete
3602 issue_warnings_are_errors_message. Add some_warnings_are_errors.
3603 (diagnostic_finish): Declare.
3604 * toplev.c (toplev_main): Call it before exit.
3606 2010-04-09 Jason Merrill <jason@redhat.com>
3609 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
3610 for incomplete type.
3613 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
3614 based on a warning flag.
3616 2010-04-09 Richard Guenther <rguenther@suse.de>
3618 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
3620 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
3623 * varasm.c (default_assemble_visibility): Wrap vars that are
3624 set, but unused, by targets without GAS.
3625 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
3626 Remove set, but unused, vars.
3627 (rs6000_legitimize_tls_address): Likewise.
3628 (altivec_expand_dst_builtin): Likewise.
3629 * config/darwin.c (machopic_classify_symbol): Likewise.
3630 (machopic_indirection_name): Likewise.
3632 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
3634 * config/i386/i386.md (DWI): New mode iterator.
3635 (S): New mode attribute.
3636 (shift_operand): Ditto.
3637 (shift_immediate_operand): Ditto.
3638 (ashl_input_operand): Ditto.
3639 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
3640 using SDWIM mode iterator.
3641 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
3642 pattern from *ashl{di,ti}3_1 and corresponding splitters using
3644 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
3645 from corresponding peephole2 patterns.
3646 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
3647 and x86_64_shift_adj_1 using SWI48 mode iterator.
3648 (x86_shift<mode>_adj_2): Ditto.
3649 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
3650 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
3651 using SWI48 mode iterator.
3652 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
3653 *ashldi3_cmp_rex64 using SWI mode iterator.
3654 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
3655 *ashldi3_cconly_rex64 using SWI mode iterator.
3656 * config/i386/i386.c (ix86_split_ashl): Update for renamed
3657 x86_shift<mode>_adj_{1,2}.
3658 (ix86_split_ashr): Ditto.
3659 (ix86_split_lshr): Ditto.
3661 2010-04-09 Richard Guenther <rguenther@suse.de>
3663 * target.h (builtin_conversion): Pass in input and output types.
3664 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
3665 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
3666 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
3667 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
3669 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
3671 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
3673 2010-04-09 Richard Guenther <rguenther@suse.de>
3676 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
3678 2010-04-09 Richard Guenther <rguenther@suse.de>
3680 * tree-vectorizer.h (struct _stmt_vec_info): Document
3681 that vectype is the type of the LHS.
3682 (supportable_widening_operation, supportable_narrowing_operation):
3683 Get both input and output vector types as arguments.
3684 (vect_is_simple_use_1): Declare.
3685 (get_same_sized_vectype): Likewise.
3686 * tree-vect-loop.c (vect_determine_vectorization_factor):
3687 Set STMT_VINFO_VECTYPE to the vector type of the def.
3688 (vectorizable_reduction): Adjust.
3689 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
3690 Adjust. Specify the output vector type.
3691 (vect_pattern_recog_1): Adjust.
3692 * tree-vect-stmts.c (get_same_sized_vectype): New function.
3693 (vectorizable_call): Adjust.
3694 (vectorizable_conversion): Likewise.
3695 (vectorizable_operation): Likewise.
3696 (vectorizable_type_demotion): Likewise.
3697 (vectorizable_type_promotion): Likewise.
3698 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
3700 (vect_is_simple_use_1): New function.
3701 (supportable_widening_operation): Get both input and output
3703 (supportable_narrowing_operation): Likewise.
3704 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
3706 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
3708 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
3709 __thiscall and _thiscall as predefined macros.
3710 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
3711 thiscall attribute handling.
3712 (ix86_comp_type_attributes): Likewise.
3713 (ix86_function_regparm): Likewise.
3714 (ix86_return_pops_args): Likewise.
3715 (init_cumulative_args): Likewise.
3716 (find_drap_reg): Likewise.
3717 (ix86_static_chain): Likewise.
3718 (x86_this_parameter): Likewise.
3719 (x86_output_mi_thunk): Likewise.
3720 (ix86_attribute_table): Add description for thiscall attribute.
3721 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
3722 * doc/extend.texi: Add documentation for thiscall.
3724 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
3727 * c.opt (Wint-to-pointer-cast): Available in C++.
3728 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
3730 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
3732 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
3733 * calls.c (expand_call): Pass the function type to aggregate_value_p.
3734 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
3735 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
3736 function type instead. Reorder and simplify checks.
3738 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
3740 2010-04-08 Jing Yu <jingyu@google.com>
3741 Zdenek Dvorak <ook@ucw.cz>
3743 PR tree-optimization/42720
3744 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
3745 loop unswitch conditions here from ...
3746 (tree_unswitch_single_loop): ... here.
3748 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
3750 * tree-if-conv.c: Fix comments and simplify logic.
3752 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
3754 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
3755 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
3756 (main_tree_if_conversion): Update call to tree_if_conversion.
3758 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
3761 * doc/invoke.texi (-b,-V): Delete.
3762 * doc/tm.texi: Do not mention -b.
3763 * gcc.c (display_help): Delete -b and -V.
3764 (process_command): Delete -b and -V.
3765 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
3767 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
3768 Wolfgang Gellerich <gellerich@de.ibm.com>
3770 Implement target hook for loop unrolling
3771 * target.h (loop_unroll_adjust): Add a new target hook function.
3772 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
3773 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
3774 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
3775 (s390_loop_unroll_adjust): Implement the new target hook for s390.
3776 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
3778 (decide_unroll_stupid): Likewise.
3780 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3783 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
3785 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3787 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
3788 (Specific, *-*-solaris2*): Likewise.
3789 Don't prefer Sun as over GNU as.
3791 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
3793 * config/s390/s390.c (override_options): Adjust the z10
3794 defaults for max-unroll-times, max-completely-peeled-insns
3795 and max-completely-peel-times.
3797 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3799 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
3800 instructions for z10.
3801 (s390_expand_setmem): Likewise.
3802 (s390_expand_cmpmem): Likewise.
3804 2010-04-08 Richard Guenther <rguenther@suse.de>
3806 PR tree-optimization/43679
3807 * tree-ssa-pre.c (eliminate): Only propagate copies.
3809 2010-04-08 Jakub Jelinek <jakub@redhat.com>
3812 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
3813 set but not used variable warning.
3815 2010-04-08 Wei Guozhi <carrot@google.com>
3818 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
3819 (arm_size_rtx_costs): Call the new function when optimized for size.
3821 2010-04-08 Jakub Jelinek <jakub@redhat.com>
3824 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
3825 op0 is not a MEM, just return NULL instead of assertion
3827 (discover_nonconstant_array_refs): Don't walk debug stmts.
3829 2010-04-08 Doug Kwan <dougkwan@google.com>
3831 * configure.ac: Recognize gold and do not use its version number
3832 to test ld features.
3833 * configure: Regenerate.
3835 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
3838 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
3839 (negate_value): Move code to push elements to broken_up_substracts ...
3840 (eliminate_plus_minus_pair): ... here. Push operands that have no
3841 negative pair to plus_negates.
3842 (repropagate_negates, init_reassoc, fini_reassoc): Update.
3844 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3846 * doc/install.texi (Configuration): Move description of
3847 --enable-lto, --with-libelf*, --enable-gold from Java section to
3850 * doc/generic.texi (Working with declarations)
3851 (Function Properties, C and C++ Trees): Fix typos.
3852 * doc/sourcebuild.texi (Top Level): Likewise.
3854 2010-04-07 Jakub Jelinek <jakub@redhat.com>
3857 * tree.h (DECL_READ_P): Define.
3858 (struct tree_decl_common): Add decl_read_flag.
3859 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
3860 a set but not used warning.
3861 (merge_decls): Merge DECL_READ_P flag.
3862 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
3863 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
3864 * c-common.c (handle_used_attribute, handle_unused_attribute):
3866 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
3868 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
3870 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
3871 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
3872 c_parser_binary_expression, c_parser_cast_expression,
3873 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
3874 Call default_function_array_read_conversion instead of
3875 default_function_array_conversion where needed.
3876 (c_parser_unary_expression, c_parser_conditional_expression,
3877 c_parser_postfix_expression_after_primary, c_parser_initelt):
3878 Likewise. Call mark_exp_read where needed.
3879 (c_parser_statement_after_labels, c_parser_asm_operands,
3880 c_parser_typeof_specifier, c_parser_sizeof_expression,
3881 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
3883 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
3885 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
3886 (warn_unused_but_set_parameter): Default to warn_unused
3888 * doc/invoke.texi: Document -Wunused-but-set-variable and
3889 -Wunused-but-set-parameter.
3891 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
3892 used count variable.
3893 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
3894 when operandN variables aren't used in the body of the expander
3896 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
3897 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
3898 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
3899 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
3900 FOR_EACH_IMM_USE_ON_STMT): Likewise.
3901 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
3902 * tree.c (PROCESS_ARG): Likewise.
3904 2010-04-07 Simon Baldwin <simonb@google.com>
3906 * diagnostic.h (diagnostic_override_option_index): New macro to
3907 set a diagnostic's option_index.
3908 * c-tree.h (c_cpp_error): Add warning reason argument.
3909 * opts.c (_warning_as_error_callback): New.
3910 (register_warning_as_error_callback): Store callback for
3911 warnings enabled via enable_warning_as_error.
3912 (enable_warning_as_error): Call callback, minor code tidy.
3913 * opts.h (register_warning_as_error_callback): Declare.
3914 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
3915 response to -Werror=.
3916 (c_common_init_options): Register warning_as_error_callback in opts.c.
3917 * common.opt: Add -Wno-cpp option.
3918 * c-common.c (struct reason_option_codes_t): Map cpp warning
3919 reason codes to gcc option indexes.
3920 * (c_option_controlling_cpp_error): New function, lookup the gcc
3921 option index for a cpp warning reason code.
3922 * (c_cpp_error): Add warning reason argument, call
3923 c_option_controlling_cpp_error for diagnostic_override_option_index.
3924 * doc/invoke.texi: Document -Wno-cpp.
3926 2010-04-07 Richard Guenther <rguenther@suse.de>
3928 * ipa-reference.c (mark_load): Use get_base_address.
3929 (mark_store): Likewise.
3931 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
3932 inserting GIMPLE_NOPs into the IL.
3933 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3934 Explicitly strip handled components and indirect references.
3936 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
3937 folding address expressions.
3938 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
3939 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
3940 operand_equal_p to compare decls.
3941 (ptr_deref_may_alias_decl_p): Likewise.
3942 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
3943 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
3944 Handle reversed comparison ops.
3945 * tree-sra.c (asm_visit_addr): Use get_base_address.
3946 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
3947 * ipa-reference.c (mark_address): Use get_base_address.
3949 2010-04-07 Richard Guenther <rguenther@suse.de>
3951 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
3952 Propagate constants everywhere.
3954 2010-04-07 Jakub Jelinek <jakub@redhat.com>
3957 * tree.c (MAX_INT_CACHED_PREC): Define.
3958 (nonstandard_integer_type_cache): New array.
3959 (build_nonstandard_integer_type): Cache results for precision
3960 <= MAX_INT_CACHED_PREC.
3962 2010-04-07 Richard Guenther <rguenther@suse.de>
3964 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
3965 -fargument-noalias-global, -fargument-noalias-anything): Remove.
3966 * common.opt: Likewise.
3967 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
3968 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
3969 (nonoverlapping_memrefs_p): Likewise.
3970 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3971 * opts.c (common_handle_option): Handle OPT_fargument_alias,
3972 OPT_fargument_noalias, OPT_fargument_noalias_anything and
3973 OPT_fargument_noalias_global for backward compatibility.
3975 2010-04-07 Richard Guenther <rguenther@suse.de>
3977 PR tree-optimization/43270
3978 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
3979 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
3980 * tree-ssa-pre.c (phi_translate_1): Adjust.
3981 (fully_constant_expression): Split out vn_reference handling to ...
3982 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
3983 Fold reads from constant strings.
3984 (vn_reference_lookup): Handle fully constant references.
3985 (vn_reference_lookup_pieces): Likewise.
3986 * Makefile.in (expmed.o-warn): Add -Wno-error.
3988 2010-04-07 Martin Jambor <mjambor@suse.cz>
3990 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
3992 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
3995 * gcc.c: Add -static-libstdc++ to list of recognized options.
3997 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3999 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
4001 2010-04-07 Richard Guenther <rguenther@suse.de>
4004 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
4005 bases build simple mem attributes to retain points-to information.
4007 2010-04-07 Richard Guenther <rguenther@suse.de>
4010 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
4011 preserve points-to related information.
4013 2010-04-07 Richard Guenther <rguenther@suse.de>
4016 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
4017 discard plain indirect references.
4018 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
4019 * tree.c (tree_nop_conversion): Likewise.
4021 2010-04-07 Dodji Seketeli <dodji@redhat.com>
4024 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
4026 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
4028 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
4029 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
4031 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
4033 * tree-if-conv.c: Fix indentation and comments.
4035 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
4037 * tree-if-conv.c: Sort static functions in topological order.
4039 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
4041 * tree-if-conv.c: Fix indentation and comments.
4043 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
4046 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
4047 lang_hooks.types.type_for_size instead of
4048 build_nonstandard_integer_type.
4049 When converting an unsigned type to signed, double its precision.
4050 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
4051 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
4052 (graphite_create_new_loop_guard): When ub + 1 wraps around,
4055 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
4058 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
4059 POINTER_PLUS_EXPR for pointer types.
4061 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
4064 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
4065 * graphite-clast-to-gimple.c: Include langhooks.h.
4066 (max_signed_precision_type): New.
4067 (max_precision_type): Takes two types as arguments.
4068 (precision_for_value): New.
4069 (precision_for_interval): New.
4070 (gcc_type_for_interval): New.
4071 (gcc_type_for_value): New.
4072 (gcc_type_for_clast_term): New.
4073 (gcc_type_for_clast_red): New.
4074 (gcc_type_for_clast_bin): New.
4075 (gcc_type_for_clast_expr): Split up into several functions.
4076 (gcc_type_for_clast_eq): Rewritten.
4077 (compute_bounds_for_level): New.
4078 (compute_type_for_level_1): New.
4079 (compute_type_for_level): New.
4080 (gcc_type_for_cloog_iv): Removed.
4081 (gcc_type_for_iv_of_clast_loop): Rewritten.
4082 (graphite_create_new_loop): Compute the lower and upper bound types
4083 with gcc_type_for_clast_expr.
4084 (graphite_create_new_loop_guard): Same.
4085 (find_cloog_iv_in_expr): Removed.
4086 (compute_cloog_iv_types_1): Removed.
4087 (compute_cloog_iv_types): Removed.
4088 (gloog): Do not call compute_cloog_iv_types.
4089 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
4091 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
4092 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
4093 (GBB_CLOOG_IV_TYPES): Removed.
4095 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
4097 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
4098 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
4099 (detect_commutative_reduction): Same.
4101 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
4103 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
4104 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
4106 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
4107 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
4108 (rewrite_commutative_reductions_out_of_ssa): Same.
4109 * passes.c (execute_function_todo): Call verify_ssa for every pass
4110 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
4111 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
4112 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
4113 with an extra argument.
4114 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
4115 verify_ssa only when the extra argument is true.
4116 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
4117 with an extra argument.
4118 (tree_transform_and_unroll_loop): Same.
4120 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
4122 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
4123 for all the passes of the LNO having LOOP_CLOSED_SSA.
4124 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
4125 * tree-loop-distribution.c (pass_loop_distribution): Same.
4126 * tree-pass.h (TODO_verify_loops): Removed.
4127 * tree-ssa-loop.c (pass_tree_loop_init): Same.
4129 (pass_tree_unswitch): Same.
4130 (pass_predcom): Same.
4131 (pass_vectorize): Same.
4132 (pass_linear_transform): Same.
4133 (pass_graphite_transforms): Same.
4134 (pass_iv_canon): Same.
4135 (pass_complete_unroll): Same.
4136 (pass_complete_unrolli): Same.
4137 (pass_parallelize_loops): Same.
4138 (pass_loop_prefetch): Same.
4139 (pass_iv_optimize): Same.
4141 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
4144 * passes.c (init_optimization_passes): Move pass_lim before
4145 pass_copy_prop and pass_dce_loop.
4147 2010-04-06 Jakub Jelinek <jakub@redhat.com>
4150 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
4151 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
4152 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
4153 MULTI_* defines for 4 argument vpermil2p* builtins.
4155 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
4157 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
4158 * config/i386/i386.c (x86_maybe_negate_const_int): New.
4159 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
4160 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
4161 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
4162 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
4163 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
4164 Use x86_maybe_negate_const_int to output insn mnemonic.
4165 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
4166 check from instruction predicate. Update comments.
4167 * config/i386/sync.md (sync_add<mode>): Use
4168 x86_maybe_negate_const_int to output insn mnemonic.
4170 2010-04-06 Jan Hubicka <jh@suse.cz>
4172 PR tree-optimization/42906
4173 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
4174 IGNORE_SELF argument. Set visited_control_parents for fully
4176 (find_obviously_necessary_stmts): Update call of
4177 mark_control_dependent_edges_necessary.
4178 (propagate_necessity): Likewise. Handle PHI edges more curefully.
4180 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
4182 * config/i386/i386.md: Remove comment about 'e' and 'E'
4185 2010-04-06 Richard Guenther <rguenther@suse.de>
4187 PR tree-optimization/43627
4188 * tree-vrp.c (extract_range_from_unary_expr): Widenings
4189 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
4192 2010-04-06 Jakub Jelinek <jakub@redhat.com>
4194 * BASE-VER: Change to 4.6.0.
4197 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
4200 2010-04-06 Richard Guenther <rguenther@suse.de>
4203 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
4205 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4207 * doc/invoke.texi (Optimize Options): Document that LTO
4208 won't remove object access purely due to incompatible
4211 2010-04-04 Matthias Klose <doko@ubuntu.com>
4213 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
4214 Initialize variable.
4216 2010-04-03 Richard Guenther <rguenther@suse.de>
4219 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
4220 require a non-NULL MEM_OFFSET.
4222 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
4224 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
4225 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
4226 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
4227 config/alpha/predicates.md, config/arm/arm.md,
4228 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
4229 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
4230 config/darwin9.h, config/darwin.c, config/darwin.h,
4231 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
4232 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
4233 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
4234 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
4235 config/mips/mips.md, config/mn10300/mn10300.c,
4236 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
4237 config/rs6000/aix.h, config/rs6000/dfp.md,
4238 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
4239 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
4240 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
4241 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
4242 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
4243 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
4244 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
4245 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
4246 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
4247 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
4248 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
4249 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
4250 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
4251 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
4252 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
4253 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
4254 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
4255 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
4256 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
4257 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
4258 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
4259 opt-functions.awk, opth-gen.awk, params.def, passes.c,
4260 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
4261 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
4262 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
4263 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
4264 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
4265 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
4266 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
4267 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
4268 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
4269 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
4270 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
4271 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
4272 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
4273 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
4275 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4278 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
4279 * aclocal.m4: Regenerate.
4281 2010-04-02 Richard Guenther <rguenther@suse.de>
4283 PR tree-optimization/43629
4284 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
4285 if we have seen a constant value.
4287 2010-04-02 Joseph Myers <joseph@codesourcery.com>
4289 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
4291 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
4294 * arm.c (legitimize_tls_address): Adjust call to
4295 gen_tls_load_dot_plus_four.
4296 (arm_note_pic_base): New function.
4297 (arm_cannot_copy_insn_p): Use it.
4298 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
4301 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4306 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4308 * Makefile.in ($(out_object_file)): Depend on
4309 gt-$(basename $(notdir $(out_file))).h.
4311 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
4313 * config.gcc (lm32-*-rtems*): Add t-lm32.
4315 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
4317 * config.gcc: Add lm32-*-rtems*.
4318 * config/lm32/rtems.h: New file.
4320 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
4323 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
4325 2010-04-01 Jakub Jelinek <jakub@redhat.com>
4327 * dwarf2out.c (output_compilation_unit_header): For
4328 -gdwarf-4 use version 4 instead of version 3.
4329 (output_line_info): For version 4 and above emit additional
4330 maximum ops per insn header field.
4331 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
4333 * dwarf2out.c (is_c_family, is_java): Remove.
4334 (lower_bound_default): New function.
4335 (add_bound_info, gen_descr_array_type_die): Use it.
4337 2010-04-01 Dodji Seketeli <dodji@redhat.com>
4340 * dwarf2out.c (gen_variable_die): Allow debug info for variable
4341 re-declaration when it happens in a function.
4343 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
4345 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
4346 (cgraph_remove_function_insertion_hook): Same.
4347 (cgraph_call_function_insertion_hooks): Same.
4349 2010-04-01 Richard Guenther <rguenther@suse.de>
4352 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
4353 and TREE_THIS_VOLATILE.
4354 (copy_ref_info): Likewise.
4355 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
4356 * tree.c (build6_stat): Ignore side-effects of all but arg5
4357 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
4360 2010-04-01 Richard Guenther <rguenther@suse.de>
4362 PR tree-optimization/43607
4363 * ipa-type-escape.c (check_call): Do not access non-existing
4366 2010-04-01 Richard Guenther <rguenther@suse.de>
4370 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
4371 Jack Howarth <howarth@bromo.med.uc.edu>
4373 * tree-profile.c (tree_init_ic_make_global_vars): Make static
4376 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4378 * doc/install.texi (Prerequisites): Document libelf usability on
4379 IRIX 5/6 and Solaris 2.
4380 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
4381 Update GNU as, GNU ld requirements.
4382 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
4383 Document Sun Studio compiler download.
4384 Update and simplify as, ld recommendations.
4385 (Specific, *-*-solaris2.7): Note obsoletion, removal.
4387 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4389 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
4390 with_tune_32 to pentium4.
4392 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
4394 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
4396 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4398 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
4399 obsoletion, removal.
4401 Document GNU as requirement.
4402 Update configure requirements.
4403 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
4404 Recomment IRIX 6.5.18+.
4405 Document IDF/IDL requirement.
4406 Document GNU as requirement.
4407 Document GNU ld bootstrap failure.
4408 Remove freeware.sgi.com reference.
4410 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4412 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
4413 UNIX V4.0, V5.0 obsoletion, removal.
4414 Remove --with-gc=simple reference.
4415 Update VM requirements during bootstrap.
4416 Remove -oldas bootstrap description.
4417 Update binutils reference.
4418 Remove comparison failure note.
4420 2010-03-31 Richard Guenther <rguenther@suse.de>
4421 Zdenek Dvorak <ook@ucw.cz>
4422 Sebastian Pop <sebastian.pop@amd.com>
4425 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
4426 with multiple arguments.
4427 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
4429 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
4431 * graphite-dependences.c (print_pddr): Call print_pdr with an
4433 * graphite-poly.c (debug_pdr): Add an extra argument for the
4436 (print_pbb_domain): Same.
4438 (print_scop_context): Same.
4440 (print_cloog): Same.
4441 (debug_pbb_domain): Same.
4445 (debug_scop_context): Same.
4447 (debug_cloog): Same.
4448 (print_scop_params): Same.
4449 (debug_scop_params): Same.
4450 (print_iteration_domain): Same.
4451 (print_iteration_domains): Same.
4452 (debug_iteration_domain): Same.
4453 (debug_iteration_domains): Same.
4454 (print_scattering_function): Same.
4455 (print_scattering_functions): Same.
4456 (debug_scattering_function): Same.
4457 (debug_scattering_functions): Same.
4458 * graphite-poly.h (debug_pdr): Update declaration.
4460 (print_pbb_domain): Same.
4462 (print_scop_context): Same.
4464 (print_cloog): Same.
4465 (debug_pbb_domain): Same.
4469 (debug_scop_context): Same.
4471 (debug_cloog): Same.
4472 (print_scop_params): Same.
4473 (debug_scop_params): Same.
4474 (print_iteration_domain): Same.
4475 (print_iteration_domains): Same.
4476 (debug_iteration_domain): Same.
4477 (debug_iteration_domains): Same.
4478 (print_scattering_function): Same.
4479 (print_scattering_functions): Same.
4480 (debug_scattering_function): Same.
4481 (debug_scattering_functions): Same.
4483 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
4485 * graphite-poly.c (print_scattering_function_1): New.
4486 (print_scattering_function): Call it.
4487 (print_scop_params): Remove spaces at the end of lines.
4490 * graphite-poly.h (print_cloog): Declared.
4491 (debug_cloog): Declared.
4493 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
4495 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
4497 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
4498 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
4499 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
4500 to switch between adding the IV bump in loop->latch or in loop->header.
4502 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
4504 * graphite-poly.c (print_scattering_function): Pretty print following
4507 (print_pbb_domain): Same.
4508 (dump_gbb_cases): Same.
4509 (dump_gbb_conditions): Same.
4512 (print_scop_params): Same.
4513 (print_scop_context): Same.
4515 (print_pbb_body): New.
4516 (lst_indent_to): New.
4517 (print_lst): Start new lines with a #.
4518 * graphite-poly.h (pbb_bb): New.
4519 (pbb_index): Use pbb_bb.
4520 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
4522 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
4524 2010-03-31 Jakub Jelinek <jakub@redhat.com>
4526 * dwarf2out.c (size_of_die): For -gdwarf-4 use
4527 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
4528 and 0 instead of 1 for dw_val_class_flag.
4529 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
4530 dw_val_class_range_list, dw_val_class_loc_list,
4531 dw_val_class_lineptr and dw_val_class_macptr, use
4532 DW_FORM_flag_present for dw_val_class_flag and
4533 DW_FORM_exprloc for dw_val_class_loc.
4534 (output_die): For -gdwarf-4 print dw_val_class_loc
4535 size as uleb128 instead of 1 or 2 bytes and don't print
4536 anything for dw_val_class_flag.
4538 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
4539 instead of cselib_lookup following by tweaking locs->setting_insn.
4542 * cselib.c (cselib_process_insn): Clear cselib_current_insn
4543 even before returning from label, setjmp call or volatile asm
4546 2010-03-31 Richard Guenther <rguenther@suse.de>
4549 * cgraphunit.c (cgraph_output_in_order): Do not allocate
4550 temporary data on stack.
4552 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4554 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
4555 (PUSHSECTION_ASM_OP): Remove.
4556 (POPSECTION_ASM_OP): Remove.
4557 (PUSHSECTION_FORMAT): Remove.
4558 * config/sol2.h (PUSHSECTION_FORMAT): Define.
4559 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
4560 * config/sol2.c (solaris_output_init_fini): Use it.
4562 2010-03-31 Jie Zhang <jie@codesourcery.com>
4565 * opt-functions.awk (var_type_struct): Use signed char type
4566 for simple variables.
4568 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4570 * config/sol2.c: Include output.h.
4571 (solaris_assemble_visibility): New function.
4572 * config/t-sol2 (sol2.o): Add output.h dependency.
4573 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
4574 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
4577 2010-03-31 Jakub Jelinek <jakub@redhat.com>
4580 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
4581 V2SImode or XFmode on PRE_DEC.
4584 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
4587 2010-03-31 Jie Zhang <jie@codesourcery.com>
4590 * reload.h (caller_save_initialized_p): Declare.
4591 * toplev.c (backend_init_target): Don't call
4592 init_caller_save but set caller_save_initialized_p to false.
4593 * caller-save.c (caller_save_initialized_p): Define.
4594 (init_caller_save): Check caller_save_initialized_p.
4595 * ira.c (ira): Call init_caller_save if flag_caller_saves.
4597 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4600 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
4601 and soft-fp/t-softfp to tmake_file.
4602 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
4603 (LIBGCC2_TF_CEXT): Define.
4606 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
4609 * cselib.c (n_useless_values): Document handling of debug locs.
4610 (n_useless_debug_values, n_debug_values): New variables.
4611 (new_elt_loc_list): Don't add to debug values, keep count.
4612 (promote_debug_loc): New.
4613 (cselib_reset_table): Zero new variables.
4614 (entry_and_rtx_equal_p): Promote debug locs.
4615 (discard_useless_locs): Increment n_useless_debug_values for
4617 (remove_useless_values): Adjust n_useless_values and n_debug_values
4618 with n_useless_debug_values.
4619 (add_mem_for_addr): Promote debug locs.
4620 (cselib_lookup_mem): Likewise.
4621 (cselib_lookup_addr): Renamed to...
4622 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
4623 (cselib_log_lookup): ... this. Turn into...
4624 (cselib_lookup_addr): ... new wrapper.
4625 (cselib_lookup_from_insn): New.
4626 (cselib_invalidate_regno): Increment n_useless_debug_values for
4628 (cselib_invalidate_mem): Likewise.
4629 (cselib_process_insn): Take n_deleted and n_debug_values into
4630 account to guard remove_useless_value call.
4631 (cselib_finish): Zero n_useless_debug_values.
4632 * cselib.h (cselib_lookup_from_insn): Declare.
4633 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
4634 (sched_analyze_2): Likewise.
4636 2010-03-30 Jakub Jelinek <jakub@redhat.com>
4638 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
4640 (adjust_mems): Replace narrowing SUBREG of expression containing
4641 just PLUS, MINUS, MULT and ASHIFT of registers and constants
4642 with operations in the narrower mode.
4645 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
4646 regs_invalidated_by_call instead all call_used_reg_set registers.
4648 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
4651 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
4652 pointer comparisons with types_compatible_p.
4653 * tree-vect-stmts.c (vectorizable_call): Same.
4654 (vectorizable_condition): Same.
4656 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4658 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
4659 stack check if the mask would be zero.
4661 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
4662 Jack Howarth <howarth@bromo.med.uc.edu>
4664 * tree-profile.c (tree_init_ic_make_global_vars): Make static
4667 2010-03-30 Joseph Myers <joseph@codesourcery.com>
4670 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
4672 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
4673 Include ___unordxf2 and ___unordtf2.
4674 * config/i386/libgcc-glibc.ver: Do not define inheritance from
4677 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
4679 * config/lm32/t-lm32: New file.
4680 * config.gcc: Use the above file when targetting lm32.
4682 2010-03-28 Duncan Sands <baldrick@free.fr>
4684 * Makefile.in (PLUGIN_HEADERS): Add except.h.
4686 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
4689 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
4690 Improve vectorization cost model diagnostic.
4692 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
4695 * tree-vect-data-refs.c (vect_analyze_data_refs): When
4696 compute_data_dependences_for_loop returns false, early exit
4697 and output an extra diagnostic for the failed data reference
4700 2010-03-29 Richard Guenther <rguenther@suse.de>
4702 PR tree-optimization/43560
4703 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
4704 (can_sm_ref_p): Treat stores to readonly locations as trapping.
4706 2010-03-29 Jie Zhang <jie@codesourcery.com>
4709 * toplev.c (process_options): Set optimization_default_node
4710 and optimization_current_node.
4711 * opts.c (decode_options): Don't set optimization_default_node
4712 and optimization_current_node.
4714 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
4716 * config/rtems.h: Abandon -qrtems_debug.
4718 2010-03-28 Jan Hubicka <jh@suse.cz>
4720 PR tree-optimization/43505
4721 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
4722 map should not be copied.
4724 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4727 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
4728 cdtors, set DECL_PRESERVE_P.
4729 * ipa.c (cgraph_externally_visible_p): Return true if declaration
4732 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
4734 PR tree-optimization/43528
4735 * stor-layout.c (place_field): Check that constant fits into
4736 unsigned HWI when skipping calculation of MS bitfield layout.
4738 2010-03-27 Jan Hubicka <jh@suse.cz>
4741 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
4742 notice_global_symbol work.
4744 2010-03-27 Jakub Jelinek <jakub@redhat.com>
4746 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
4747 instead of dwarf2out_decl.
4748 (struct var_loc_node): Remove section_label field.
4749 (dwarf2out_function_decl): New function.
4750 (dwarf2out_var_location): Don't set section_label field.
4751 (dwarf2out_begin_function): Don't empty decl_loc_table here.
4753 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
4755 PR tree-optimization/43544
4756 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
4757 First argument for builtin vectorized function hook is now a
4758 tree to be able to distinguish between machine specific and
4760 * targhooks.c (default_builtin_vectorized_function): Ditto.
4761 * targhooks.h (default_builtin_vectorized_function): Ditto.
4762 * target.h (struct gcc_target): Ditto.
4763 * tree-vect-stmts.c (vectorizable_function): Ditto.
4764 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
4765 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
4768 2010-03-26 Joseph Myers <joseph@codesourcery.com>
4771 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
4772 nested binding iff it is a FUNCTION_DECL.
4773 (store_parm_decls_newstyle): Pass nested=true to bind for
4774 FUNCTION_DECLs amongst parameters.
4776 2010-03-26 Jakub Jelinek <jakub@redhat.com>
4778 * var-tracking.c (vt_expand_loc_callback): Don't run
4779 cselib_expand_value_rtx_cb in dummy mode if
4780 cselib_dummy_expand_value_rtx_cb returned false.
4782 * var-tracking.c (emit_note_insn_var_location): For one part
4783 notes with offset 0, don't add EXPR_LIST around the location.
4784 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
4785 add_location_or_const_value_attribute): Adjust for that change.
4788 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
4789 into first operand and location into second.
4790 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
4791 dw_cfi_oprnd_loc for DW_CFA_expression.
4792 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
4793 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
4794 assume first argument is regnum and second argument is location.
4796 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
4799 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
4800 of scratch register to DImode. Split to DImode comparison operator.
4801 Use SImode subreg of scratch register in the multiplication.
4802 (*cmp_sadd_sidi): Ditto.
4803 (*cmp_ssub_si): Ditto.
4804 (*cmp_ssub_sidi): Ditto.
4806 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
4809 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
4810 Remove invalid assert and wrong comment.
4812 2010-03-26 Jakub Jelinek <jakub@redhat.com>
4815 * flags.h (final_insns_dump_p): New extern.
4816 * final.c (final_insns_dump_p): New variable.
4817 (rest_of_clean_state): Set it before -fdump-final-insns=
4818 dumping, clear afterwards.
4819 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
4820 MEM_ALIAS_SET on MEMs.
4822 2010-03-26 David S. Miller <davem@davemloft.net>
4824 * configure.ac: Fix sparc GOTDATA_OP bug check.
4825 * configure: Rebuild.
4827 2010-03-26 Alan Modra <amodra@gmail.com>
4829 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
4831 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4833 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
4834 TLS_SECTION_ASM_FLAG.
4836 2010-03-25 Jakub Jelinek <jakub@redhat.com>
4839 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
4840 Clear first_function_block_is_cold.
4843 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
4844 argument if the argument is truth_value_p.
4846 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
4848 * config/rs6000/constraints.md: Update copyright year for my changes.
4851 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
4852 used in reg+reg addressing, swap registers.
4854 2010-03-24 Jakub Jelinek <jakub@redhat.com>
4857 * target.h (struct gcc_target): Add code_end hook.
4858 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
4860 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
4861 * toplev.c (compile_file): Call targetm.asm_out.code_end
4862 hook before unwind info/debug info output.
4863 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
4864 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
4865 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
4866 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
4867 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
4868 * config/i386/i386.c (ix86_file_end): Renamed to...
4869 (ix86_code_end): ... this. Make static. Don't call
4870 file_end_indicate_exec_stack. Emit unwind info using
4871 final_start_function/final_end_function.
4872 (darwin_x86_file_end): Remove.
4873 (TARGET_ASM_CODE_END): Define.
4874 * config/i386/i386.h (TARGET_ASM_FILE_END,
4875 NEED_INDICATE_EXEC_STACK): Don't define.
4876 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
4877 (TARGET_ASM_FILE_END): Define to darwin_file_end.
4878 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
4879 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
4882 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
4883 at the beginning and final_end_function at the end.
4884 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
4886 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4888 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
4889 and Sun as TLS syntax.
4890 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
4891 * configure: Regenerate.
4892 * config.in: Regenerate.
4893 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
4894 (default_elf_asm_named_section): Use it.
4895 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
4896 (i386_output_dwarf_dtprel): Likewise.
4897 (output_addr_const_extra): Likewise.
4898 (output_pic_addr_const): Lowercase @GOTTPOFF.
4899 (output_addr_const_extra): Likewise.
4900 (output_pic_addr_const): Lowercase @GOTNTPOFF.
4901 (output_addr_const_extra): Likewise.
4902 (output_pic_addr_const): Lowercase @INDNTPOFF.
4903 (output_addr_const_extra): Likewise.
4904 (output_pic_addr_const): Lowercase @NTPOFF.
4905 (output_addr_const_extra): Likewise.
4906 (output_pic_addr_const): Lowercase @TPOFF.
4907 (output_addr_const_extra): Likewise.
4908 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
4909 (*tls_global_dynamic_64): Likewise.
4910 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
4911 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
4913 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
4914 (ASM_OUTPUT_TLS_COMMON): Use it.
4915 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
4918 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
4919 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
4920 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
4921 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
4922 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
4923 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
4925 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4927 * config/i386/i386.c (override_options): Don't accept
4928 -mtls-dialect=sun any longer.
4929 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
4930 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
4931 (*tls_local_dynamic_base_32_sun): Likewise.
4932 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
4934 2010-03-24 Jakub Jelinek <jakub@redhat.com>
4937 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
4938 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
4941 * ira.c (adjust_cleared_regs): New function.
4942 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
4946 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
4948 * expr.c (expand_expr_real): Restore previous
4949 curr_insn_source_location and curr_insn_block after
4950 expand_expr_real_1 call.
4951 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
4952 instead of expand_expr_real_1.
4954 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
4956 PR rtl-optimization/43413
4957 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
4960 2010-03-22 James E. Wilson <wilson@codesourcery.com>
4963 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
4964 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
4966 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
4968 * config/i386/i386.c (ix86_target_string): Add -mfma.
4969 Fix a typo in comment.
4971 2010-03-22 Mike Stump <mikestump@comcast.net>
4974 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
4975 Don't overly align based upon packed packed fields.
4977 2010-03-22 Jason Merrill <jason@redhat.com>
4979 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
4980 Use () rather than [], and move before the element type.
4982 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4984 * doc/configfiles.texi (Configuration Files): Removed
4985 fixinc/Makefile*, intl/Makefile.*.
4986 * doc/makefile.texi: Fixed markup. Abstract from version
4987 control system used.
4988 (Makefile): Removed obsolete gcc/java/parse.y example.
4989 * doc/sourcebuild.texi: Likewise.
4990 (Top Level): Added config, gnattools, libdecnumber, libgcc,
4991 libgomp, libssp. Removed fastjar.
4992 (Miscellaneous Docs): Clarify location.
4993 Added COPYING3, COPYING3.LIB.
4994 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
4996 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4999 * config/i386/i386.c (x86_function_profiler)
5000 [!NO_PROFILE_COUNTERS]: Fix typo.
5001 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
5004 2010-03-22 Janis Johnson <janis187@us.ibm.com>
5005 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5007 * doc/sourcebuild.texi (Test Directives): Split into six
5008 subsections, with most of the current text in new subsections
5009 Directives, Selectors, and Final Actions.
5010 (Directives): Split list of test directives into multiple
5012 (Selectors): Describe use and syntax of selectors.
5013 (Effective-Target Keywords): Describe all existing keywords.
5014 (Add Options): Describe features for dg-add-options.
5015 (Require Support): Describe variants of dg-require-support.
5016 (Final Actions): Describe commands to use in dg-final.
5018 2010-03-22 Michael Matz <matz@suse.de>
5021 * recog.c (validate_replace_rtx_group): Replace also in
5022 REG_EQUAL and REG_EQUIV notes.
5024 2010-03-22 Richard Guenther <rguenther@suse.de>
5026 PR tree-optimization/43390
5027 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
5028 sure vector extracts are type correct.
5030 2010-03-22 Richard Guenther <rguenther@suse.de>
5033 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
5034 x * sqrt (x) even when optimizing for size if the target
5035 has native support for sqrt.
5037 2010-03-22 Jakub Jelinek <jakub@redhat.com>
5039 * varasm.c (make_decl_rtl_for_debug): Also clear
5040 flag_mudflap for the duration of make_decl_rtl call.
5043 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
5044 locs from preserved VALUEs.
5046 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5049 * pa.md (movmemsi): Set align to one if zero.
5050 (movmemdi): Likewise.
5052 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
5055 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
5056 with their corresponding prologue pushes.
5058 2010-03-20 Andrew Pinski <pinskia@gmail.com>
5061 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
5062 at the begining or end.
5063 (spu_expand_epilogue): Likewise.
5065 2010-03-20 Richard Guenther <rguenther@suse.de>
5067 PR rtl-optimization/43438
5068 * combine.c (make_extraction): Properly zero-/sign-extend an
5069 extraction of the low part of a CONST_INT. Also handle
5072 2010-03-19 Mike Stump <mikestump@comcast.net>
5074 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
5075 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
5076 (override_options): Use SUBTARGET32_DEFAULT_CPU.
5078 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
5081 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
5084 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
5086 PR rtl-optimization/42258
5087 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
5088 use that may match DEF.
5091 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
5092 the cost of loading the constant rather than assuming
5094 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
5095 outer code is AND, do the same tests as the andsi3 expander and
5096 return COSTS_N_INSNS (1) if and is cheap.
5098 * optabs.c (avoid_expensive_constant): Fix formatting.
5100 2010-03-19 Michael Matz <matz@suse.de>
5103 * attribs.c (decl_attributes): When rebuilding a function pointer
5104 type use the same qualifiers as the original pointer type.
5106 2010-03-19 Martin Jambor <mjambor@suse.cz>
5108 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
5109 and is_gimple_ip_invariant_address.
5111 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5114 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5116 * config/arm/arm.c (arm_override_options): Turn off
5117 flag_dwarf2_cfi_asm for AAPCS variants.
5119 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5122 * config/arm/arm.c (emit_multi_reg_push): Update comments.
5123 Use PRE_MODIFY instead of PRE_DEC.
5124 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
5125 (vfp_emit_fstmd): Likewise.
5127 2010-03-19 Michael Matz <matz@suse.de>
5130 * builtins.c (expand_builtin_interclass_mathfn,
5131 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
5134 2010-03-19 Richard Guenther <rguenther@suse.de>
5136 PR tree-optimization/43415
5137 * tree-ssa-pre.c (phi_translate): Split out worker to ...
5138 (phi_translate_1): ... this.
5139 (phi_translate): Move all caching here. Cache all NARY
5140 and REFERENCE translations.
5142 2010-03-19 David S. Miller <davem@davemloft.net>
5144 With help from Eric Botcazou.
5145 * config/sparc/sparc.c: Include dwarf2out.h.
5146 (emit_pic_helper): Delete.
5147 (pic_helper_symbol_name): Delete.
5148 (pic_helper_emitted_p): Delete.
5149 (pic_helper_needed): New.
5150 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
5151 (get_pc_thunk_name): New.
5152 (load_pic_register): Remove 'delay_pic_helper' arg. Use
5153 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
5154 Set pic_helper_needed to true. Don't call emit_pic_helper.
5155 (sparc_expand_prologue): Update load_pic_register call.
5156 (sparc_output_mi_thunk): Likewise.
5157 (sparc_file_end): Emit a hidden comdat symbol for the PIC
5158 thunk if possible. Output CFI information as needed.
5160 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
5161 Jack Howarth <howarth@bromo.med.uc.edu>
5164 * config/i386/i386.h: Fix ABI on darwin x86-32.
5166 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
5168 * tree.h: Declare make_decl_rtl_for_debug.
5169 * varasm.c (make_decl_rtl_for_debug): New.
5170 * dwarf2out.c (rtl_for_decl_location): Call it.
5171 * cfgexpand.c (expand_debug_expr): Call it.
5173 2010-03-18 Jakub Jelinek <jakub@redhat.com>
5176 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
5180 * var-tracking.c (vt_init_cfa_base): Do nothing if
5181 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
5183 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
5186 * var-tracking.c (canonicalize_vars_star): New.
5187 (dataflow_post_merge_adjust): Use it.
5189 2010-03-18 Jakub Jelinek <jakub@redhat.com>
5192 * var-tracking.c (non_suitable_const): New function.
5193 (add_uses): For DEBUG_INSNs with constants, don't record any
5194 value, instead just the constant value itself.
5195 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
5196 is not VAR_LOC_UNKNOWN_P, set var to the constant.
5197 (emit_notes_in_bb): Likewise.
5198 (emit_note_insn_var_location): For onepart variables if
5199 cur_loc is a VOIDmode constant, use DECL_MODE.
5201 2010-03-18 Martin Jambor <mjambor@suse.cz>
5204 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
5205 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
5206 all non-clones. Moved call redirection...
5207 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
5208 (cgraph_materialize_all_clones): Dispose of all
5209 combined_args_to_skip bitmaps.
5210 (verify_cgraph_node): Do not check for edges pointing to wrong
5211 nodes in inline clones.
5212 * tree-inline.c (copy_bb): Call
5213 cgraph_redirect_edge_call_stmt_to_callee.
5214 * ipa.c (cgraph_remove_unreachable_nodes): Call
5215 cgraph_node_remove_callees even when there are used clones.
5217 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
5219 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
5221 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
5224 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
5227 2010-03-18 Michael Matz <matz@suse.de>
5230 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
5231 into sqrt(x) if we need to preserve signed zeros.
5233 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
5234 Eric Botcazou <ebotcazou@adacore.com>
5236 PR rtl-optimization/43360
5237 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
5238 note if we don't know its invariant status.
5240 2010-03-18 Michael Matz <matz@suse.de>
5242 PR tree-optimization/43402
5243 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
5244 PHI chains of ssa names registered for update.
5246 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
5249 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
5250 non-offsettable and pre_modify update addressing.
5251 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
5252 and "2" alternatives "#".
5253 (*movdd_softfloat32): Make all alternatives "#";
5254 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
5255 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
5256 (*movdf_softfloat32): Make all alternatives "#";
5257 (movdi): Use the new DIFD mode iterator to create a common splitter
5258 for movdi, movdf and movdd patterns.
5260 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
5262 * common.opt (dumpdir): Remove redundant tab.
5264 2010-03-17 Martin Jambor <mjambor@suse.cz>
5266 PR tree-optimization/43347
5267 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
5268 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
5270 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
5272 PR rtl-optimization/42216
5273 * regrename.c (create_new_chain): New function, broken out from...
5274 (scan_rtx_reg): ... here. Call it. Handle the case where we are
5275 appending a use to an empty chain.
5276 (build_def_use): Remove previous changes that convert OP_INOUT to
5277 OP_OUT operands; instead detect the case where an OP_INOUT operand
5278 uses a previously untracked register and create an empty chain for it.
5280 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5282 * doc/extend.texi (Function Attributes): Rewrite unfinished
5283 sentence in ms_abi documentation.
5285 2010-03-17 Alan Modra <amodra@gmail.com>
5287 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
5288 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
5289 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
5290 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
5292 2010-03-16 Richard Henderson <rth@redhat.com>
5295 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
5296 (lower_try_finally): Save and restore eh_seq around the expansion
5299 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
5301 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
5302 statements before splitting block.
5304 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5306 * doc/sourcebuild.texi (Testsuites): Fix markup.
5307 Use pathnames relative to gcc/testsuite.
5308 (Test Directives): Move description of how timeout is determined.
5309 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
5310 (C Tests): Correct gcc.misc-tests directory.
5311 Framework tests now live in gcc.test-framework.
5313 2010-03-16 Richard Guenther <rguenther@suse.de>
5316 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
5317 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
5319 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
5320 Alexandre Oliva <aoliva@redhat.com>
5322 PR tree-optimization/42917
5323 * lambda-code.c (remove_iv): Skip debug statements.
5324 (lambda_loopnest_to_gcc_loopnest): Likewise.
5325 (not_interesting_stmt): Debug statements are not interesting.
5327 2010-03-16 Jakub Jelinek <jakub@redhat.com>
5331 * cselib.c (cselib_preserve_constants,
5332 cfa_base_preserved_val): New static variables.
5333 (preserve_only_constants): New function.
5334 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
5335 clear its REG_VALUES. If cselib_preserve_constants, don't
5336 empty the whole hash table, but preserve there VALUEs with constants,
5337 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
5338 (cselib_preserve_cfa_base_value): New function.
5339 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
5340 (cselib_init): Change argument to int bitfield. Set
5341 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
5343 (cselib_finish): Clear cselib_preserve_constants and
5344 cfa_base_preserved_val.
5345 * cselib.h (enum cselib_record_what): New enum.
5346 (cselib_init): Change argument to int.
5347 (cselib_preserve_cfa_base_value): New prototype.
5348 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
5349 * dse.c (dse_step1): Likewise.
5350 * cfgcleanup.c (thread_jump): Likewise.
5351 * sched-deps.c (sched_analyze): Likewise.
5352 * gcse.c (local_cprop_pass): Likewise.
5353 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
5354 If FN is non-NULL, call the callback always and whenever it returns
5355 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
5356 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
5357 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
5358 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
5359 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
5360 * var-tracking.c: Include recog.h.
5361 (bb_stack_adjust_offset): Remove.
5362 (vt_stack_adjustments): Don't call it, instead just gather the
5363 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
5364 (adjust_stack_reference): Remove.
5365 (compute_cfa_pointer): New function.
5366 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
5367 (struct adjust_mem_data): New type.
5368 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
5370 (get_address_mode): New function.
5371 (replace_expr_with_values): Use it.
5372 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
5373 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
5374 (adjust_sets): Remove.
5375 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
5376 Use get_address_mode.
5377 (get_adjusted_src): Remove.
5378 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
5379 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
5380 (add_with_sets): Don't call adjust_sets.
5381 (fp_setter, vt_init_cfa_base): New functions.
5382 (vt_initialize): Change return type to bool. Move most of pool etc.
5383 initialization to the beginning of the function from end. Pass
5384 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
5385 If !frame_pointer_needed, call vt_stack_adjustment before mos
5386 vector is filled, call vt_init_cfa_base if argp/framep has been
5387 eliminated to sp. If frame_pointer_needed and argp/framep has
5388 been eliminated to hard frame pointer, set
5389 hard_frame_pointer_adjustment and call vt_init_cfa_base after
5390 encountering fp setter in the prologue. For MO_ADJUST, call
5391 log_op_type before pusing the op into mos vector, not afterwards.
5392 Call adjust_insn before cselib_process_insn/add_with_sets,
5393 call cancel_changes (0) afterwards.
5394 (variable_tracking_main_1): Adjust for vt_initialize calling
5395 vt_stack_adjustments and returning whether it succeeded or not.
5397 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
5399 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
5402 2010-03-15 Jakub Jelinek <jakub@redhat.com>
5404 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
5406 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
5407 drap_reg has not been set.
5409 2010-03-15 Michael Matz <matz@suse.de>
5412 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
5413 use it to expand block copies.
5414 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
5415 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
5416 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
5418 2010-03-15 Richard Guenther <rguenther@suse.de>
5420 PR tree-optimization/43367
5421 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
5424 2010-03-15 Richard Guenther <rguenther@suse.de>
5426 PR tree-optimization/43317
5427 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
5429 2010-03-15 Martin Jambor <mjambor@suse.cz>
5431 PR tree-optimization/43141
5432 * tree-sra.c (create_abstract_origin): New function.
5433 (modify_function): Call create_abstract_origin.
5435 2010-03-15 Chris Demetriou <cgd@google.com>
5437 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
5440 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5443 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
5444 call insert_out_of_ssa_copy for default definitions.
5446 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5448 * graphite-clast-to-gimple.c (my_long_long): Defined.
5449 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
5450 * graphite-sese-to-poly.c (my_long_long): Defined.
5451 (scop_ivs_can_be_represented): Use it.
5453 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5455 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
5456 graphite-max-bbs-per-function, and loop-block-tile-size.
5457 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
5459 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
5461 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5463 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
5464 forward declaration.
5465 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
5466 (add_upper_bounds_from_estimated_nit): New.
5467 (build_loop_iteration_domains): Use it.
5469 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5471 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
5473 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5476 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
5477 should be an INTEGER_CST. Also handle CASE_CONVERT.
5479 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5481 * graphite.c (graphite_initialize): To bound the number of bbs per
5482 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
5483 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
5484 * doc/invoke.texi: Document it.
5486 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5488 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
5489 * graphite-sese-to-poly.h (build_poly_scop): Same.
5491 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5493 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
5494 the number of parameters in the scop. Use as an upper bound
5495 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
5496 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
5497 * doc/invoke.texi: Document it.
5499 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
5501 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
5502 * doc/c-tree.texi: Remove.
5503 * doc/generic.texi: Merge c-tree.texi here.
5504 * doc/gccint.texi (Trees): Remove menu entry.
5505 (c-tree.texi): Remove @include.
5506 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
5507 * doc/languages.texi (Reading RTL): Ditto.
5509 2010-03-12 Steve Ellcey <sje@cup.hp.com>
5512 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
5514 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
5517 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
5518 code added to work around reload clobbering CONST insns.
5520 2010-03-12 Jakub Jelinek <jakub@redhat.com>
5522 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
5523 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
5524 (cselib_preserve_only_values): Remove retain argument, don't
5525 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
5526 * cselib.h (cselib_preserve_only_values): Remove retain argument.
5527 * var-tracking.c (micro_operation): Move insn field before union.
5528 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
5529 (struct variable_tracking_info_def): Remove n_mos field, change
5530 mos into a vector of micro_operations.
5531 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
5532 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
5533 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
5534 changing into a vector.
5535 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
5536 come before all other uops generated by add_stores.
5537 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
5539 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
5540 a vector. Run just one pass over the bbs instead of separate counting
5541 and computation phase.
5542 (vt_finalize): Free VTI (bb)->mos vector instead of array.
5545 * tree-inline.c (remap_decls): Put old_var rather than origin_var
5546 into *nonlocalized_list vector.
5547 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
5548 even if origin is non-NULL.
5549 (gen_variable_die): Likewise.
5550 (process_scope_var): Don't change origin.
5551 (gen_decl_die): Likewise.
5552 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
5553 before adding new edges instead of after it, fix moving over
5556 2010-03-11 David S. Miller <davem@davemloft.net>
5558 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
5560 * configure: Rebuild.
5562 2010-03-11 Martin Jambor <mjambor@suse.cz>
5564 PR tree-optimization/43257
5565 * tree.c (assign_assembler_name_if_neeeded): New function.
5566 (free_lang_data_in_cgraph): Assembler name assignment moved to the
5568 * tree.h (assign_assembler_name_if_neeeded): Declare.
5569 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
5570 the function if needed.
5572 2010-03-11 Chris Demetriou <cgd@google.com>
5574 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
5575 include/stdint-gcc.h, and include/stdint.h world-readable.
5577 2010-03-11 Richard Guenther <rguenther@suse.de>
5579 PR tree-optimization/43255
5580 * tree-vrp.c (process_assert_insertions_for): Do not insert
5581 asserts for trivial conditions.
5583 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5585 PR tree-optimization/43280
5586 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
5587 generation. Move calculation of size out of the if branch.
5588 (find_bswap): Modify compare number generation.
5590 2010-03-11 Richard Guenther <rguenther@suse.de>
5593 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
5594 (input_gimple_stmt): Fixup handled component types during
5595 operand read. Also fix up decls in ADDR_EXPRs.
5597 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
5599 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
5600 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
5602 2010-03-10 Jan Hubicka <jh@suse.cz>
5605 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
5606 * varasm.c (get_variable_section): Don't do that here...
5607 (make_decl_rtl): ... and here.
5608 (do_assemble_alias): Produce decl RTL.
5609 (assemble_alias): Likewise.
5611 2010-03-10 Jakub Jelinek <jakub@redhat.com>
5614 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
5615 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
5617 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
5618 (based_loc_descr): Only express drap or vdrap regno based expressions
5619 using DW_OP_fbreg when not optimizing.
5620 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
5621 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
5622 REG_CFA_SET_VDRAP note.
5624 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
5626 PR tree-optimization/43236
5627 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
5628 error in calculation of base address in reverse iteration case.
5629 (generate_builtin): Take number of latch executions if the statement
5632 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
5635 * tree-eh.c: Include pointer-set.h.
5636 (lower_eh_dispatch): Filter out duplicate case labels and
5637 remove the unneeded edge when the label is unused. Return
5638 true when some edges are removed.
5639 (execute_lower_eh_dispatch): When any lowering resulted in
5640 removing an edge, also delete unreachable blocks.
5642 2010-03-10 Jakub Jelinek <jakub@redhat.com>
5645 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
5646 UNSPEC_MACHOPIC_OFFSET.
5648 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
5651 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
5652 (m68k_delegitimize_address): New function.
5654 2010-03-09 Jakub Jelinek <jakub@redhat.com>
5657 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
5660 * var-tracking.c (adjust_sets): New function.
5661 (count_with_sets, add_with_sets): Use it.
5662 (get_adjusted_src): New inline function.
5663 (add_stores): Use it.
5666 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
5667 call cselib_dummy_expand_value_rtx_cb instead of
5668 cselib_expand_value_rtx_cb.
5671 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
5672 * config/i386/i386.c: Include debug.h and dwarf2out.h.
5673 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
5674 and .cfi_endproc around the pic thunks.
5675 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
5676 all queued unwind info register saves are saved before the call.
5677 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
5678 considered as sp-=4 for unwind info and the pop as sp+=4 which
5679 also clobbers dest, but doesn't actually restore it.
5682 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
5683 RTX_FRAME_RELATED_P.
5685 2010-03-09 Jie Zhang <jie@codesourcery.com>
5687 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
5688 whitespaces in output template.
5690 2010-03-09 Jie Zhang <jie@codesourcery.com>
5692 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
5695 2010-03-08 Jakub Jelinek <jakub@redhat.com>
5697 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
5698 builtins.exp in a separate job.
5700 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5702 * graphite-sese-to-poly.c (add_param_constraints): Use
5703 lower_bound_in_type and upper_bound_in_type.
5705 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5707 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
5708 instead of unsigned_type_node.
5710 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5711 Reza Yazdani <reza.yazdani@amd.com>
5714 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
5715 on pointer type parameters.
5717 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
5721 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
5722 handle conversions from pointer to integers.
5723 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
5724 induction variable, to be able to work with code generated by CLooG.
5725 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
5726 (build_poly_scop): Bail out if we cannot codegen a loop.
5728 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
5730 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
5731 code generation with gloog_error.
5733 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5735 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
5736 Call fold_convert on all the returned values.
5737 (expand_scalar_variables_expr): Pass to
5738 expand_scalar_variables_ssa_name the type of the resulting expression.
5740 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5742 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
5743 ppl_min_for_le_pointset.
5744 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
5745 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
5747 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5749 * graphite-dependences.c (map_into_dep_poly): Removed.
5750 (dependence_polyhedron_1): Use combine_context_id_scat.
5752 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5754 * graphite-poly.h (struct poly_scattering): Add layout documentation.
5755 (struct poly_bb): Same.
5756 (combine_context_id_scat): New.
5758 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5761 * sese.c (name_defined_in_loop_p): Return false for default
5764 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5766 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
5767 and clean up the logic.
5769 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5771 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
5774 2010-03-08 Jakub Jelinek <jakub@redhat.com>
5776 * var-tracking.c (remove_cselib_value_chains): Define only for
5778 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
5779 delete_slot_part, emit_notes_for_differences_1): Don't call
5780 remove_cselib_value_chains here.
5781 (set_slot_part, emit_notes_for_differences_2): Don't call
5782 add_cselib_value_chains here.
5783 (preserved_values): New vector.
5784 (preserve_value): New function.
5785 (add_uses, add_stores, vt_add_function_parameters): Use it
5786 instead of cselib_preserve_value.
5787 (changed_values_stack): New vector.
5788 (check_changed_vars_0): New function.
5789 (check_changed_vars_1, check_changed_vars_2): Use it.
5790 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
5791 changed_values_stack VALUEs.
5792 (vt_emit_notes): For all preserved_values call
5793 add_cselib_value_chains. If ENABLE_CHECKING call
5794 remove_cselib_value_chains before verifying value_chains is empty.
5795 Initialize and free changed_values_stack.
5796 (vt_initialize): Initialize preserved_values.
5797 (vt_finalize): Free preserved_values.
5799 2010-03-08 Richard Guenther <rguenther@suse.de>
5801 PR tree-optimization/43269
5802 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
5805 2010-03-08 Martin Jambor <mjambor@suse.cz>
5807 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
5808 (ipa_is_param_called): Removed.
5809 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
5810 (ipa_print_node_params): Do not print the called flag.
5811 (ipa_write_node_info): Do not stream the called flag.
5812 (ipa_read_node_info): Likewise.
5814 2010-03-07 Jakub Jelinek <jakub@redhat.com>
5817 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
5818 * cselib.c (struct expand_value_data): Add dummy field.
5819 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
5821 (cselib_dummy_expand_value_rtx_cb): New function.
5822 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
5824 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
5825 * var-tracking.c: Include pointer-set.h.
5826 (variable): Change n_var_parts to char from int. Add
5827 cur_loc_changed and in_changed_variables fields.
5828 (variable_canonicalize): Remove.
5829 (shared_var_p): New inline function.
5830 (unshare_variable): Maintain cur_loc_changed and
5831 in_changed_variables fields. If var was in changed_variables,
5832 replace it there with new_var. Just copy cur_loc instead of
5833 resetting it to something else.
5834 (variable_union): Don't recompute cur_loc. Use shared_var_p.
5835 (dataflow_set_union): Don't call variable_canonicalize.
5836 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
5837 of their DEBUG_EXPR_TREE_DECLs.
5838 (canonicalize_loc_order_check): Verify that cur_loc is NULL
5839 and in_changed_variables and cur_loc_changed is false.
5840 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
5841 and cur_loc_changed. Don't update cur_loc here.
5842 (variable_merge_over_src): Don't call variable_canonicalize.
5843 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
5844 removing loc that is equal to cur_loc, clear cur_loc,
5845 set cur_loc_changed and ensure variable_was_changed is called.
5846 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
5847 compare pointers in cur_loc check, if it is equal to loc,
5848 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
5849 (variable_different_p): Remove compare_current_location argument,
5850 don't compare cur_loc.
5851 (dataflow_set_different_1): Adjust variable_different_p caller.
5852 (variable_was_changed): If dv had some var in changed_variables
5853 already, reset in_changed_variables flag for it and propagate
5854 cur_loc_changed over to the new variable. On empty var
5855 always set cur_loc_changed. Set in_changed_variables on whatever
5856 var is added to changed_variables.
5857 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
5858 Use shared_var_p. When removing loc that is equal to cur_loc,
5859 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
5860 end, don't set it to something else, just call variable_was_changed.
5861 (delete_slot_part): Use shared_var_p. When cur_loc equals to
5862 loc being removed, clear cur_loc and set cur_loc_changed.
5863 Set cur_loc_changed if all locations have been removed.
5864 (struct expand_loc_callback_data): New type.
5865 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
5866 allocated. Always create SUBREGs if simplify_subreg failed.
5867 Prefer to use cur_loc, when that fails and still in
5868 changed_variables (and seen first time) recompute it. Set
5869 cur_loc_changed of variables which had to change cur_loc and
5870 compute elcd->cur_loc_changed if any of the subexpressions used
5871 had to change cur_loc.
5872 (vt_expand_loc): Adjust to pass arguments in
5873 expand_loc_callback_data structure.
5874 (vt_expand_loc_dummy): New function.
5875 (emitted_notes): New variable.
5876 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
5877 that weren't used for any other decl in current
5878 emit_notes_for_changes call call vt_expand_loc_dummy to update
5879 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
5880 first loc_chain location if NULL before. Always use just
5881 cur_loc instead of first loc_chain location. When cur_loc_changed
5882 is false, when not --enable-checking=rtl just don't emit any note.
5883 When rtl checking, compute the note and assert it is the same
5884 as previous note. Clear cur_loc_changed and in_changed_variables
5885 at the end before removing from changed_variables.
5886 (check_changed_vars_3): New function.
5887 (emit_notes_for_changes): Traverse changed_vars to call
5888 check_changed_vars_3 on each changed var.
5889 (emit_notes_for_differences_1): Clear cur_loc_changed and
5890 in_changed_variables. Recompute cur_loc of new_var.
5891 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
5892 (vt_emit_notes): Initialize and destroy emitted_notes.
5894 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
5896 PR rtl-optimization/42220
5897 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
5898 Use verify_reg_tracked to determine if we should use OP_OUT rather
5900 (build_def_use): If we see an in-out operand for a register that we
5901 know nothing about, treat is an output if possible, fail the block if
5904 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
5907 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
5910 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
5913 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
5914 uses of relevant DEFs that are dead outside the loop too.
5916 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
5918 * var-tracking.c (dataflow_set_merge): Swap src and src2.
5920 2010-01-13 Jakub Jelinek <jakub@redhat.com>
5922 * var-tracking.c (values_to_unmark): New variable.
5923 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
5924 values_to_unmark vector. Moved body to...
5925 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
5926 instead queue it into values_to_unmark vector.
5927 (vt_find_locations): Free values_to_unmark vector.
5929 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
5931 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
5932 (site.exp): Export them when plugins are enabled.
5934 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
5937 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
5939 (chrec_fold_multiply): Same.
5941 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
5944 * c-decl.c (build_compound_literal): Return early if init is
5947 2010-03-04 Martin Jambor <mjambor@suse.cz>
5949 PR tree-optimization/43164
5950 PR tree-optimization/43191
5951 * tree-sra.c (type_consists_of_records_p): Reject records with
5952 zero-size bit-fields at the end.
5954 2010-03-04 Mike Stump <mikestump@comcast.net>
5956 * Makefile.in (TAGS): Remove *.y.
5958 2010-03-04 Richard Guenther <rguenther@suse.de>
5960 PR tree-optimization/40761
5961 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
5963 (my_rev_post_order_compute): New function.
5964 (init_pre): Call it.
5966 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
5969 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
5970 decrease the cost of an IV candidate when the cost is infinite.
5972 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5974 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
5975 Use '3DNow!' for the extension of that name, ensure normal space
5977 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
5979 2010-03-03 Jeff Law <law@redhat.com>
5981 * PR middle-end/32693
5982 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
5983 than gen_rtx_SUBREG.
5984 (extract_bit_field_1): Likewise.
5986 2010-03-03 Janis Johnson <janis187@us.ibm.com>
5988 * doc/sourcebuild.texi (Test directives): Document that arguments
5989 include-opts and exclude-opts are now optional for dg-skip-if,
5990 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
5992 2010-03-03 Jason Merrill <jason@redhat.com>
5995 * cgraph.h (varpool_node): Add extra_name field.
5996 * varpool.c (varpool_extra_name_alias): New.
5997 (varpool_assemble_decl): Emit extra name aliases.
5998 (varpool_mark_needed_node): Look past an extra name alias.
5999 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
6000 * lto-streamer-in.c (lto_input_tree): Read it.
6001 * lto-streamer-out.c (output_unreferenced_globals): Write it.
6003 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
6005 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
6006 (sparc*-*-solaris2*): ...this.
6008 2010-03-03 Jakub Jelinek <jakub@redhat.com>
6011 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
6012 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
6013 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
6014 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
6017 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
6018 fallthrough to default handling, just with want_address 0 instead of 2.
6019 For single element lists, add_AT_loc directly, otherwise create an
6020 artificial variable DIE and stick location list to it.
6023 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
6024 (VAL_EXPR_HAS_REVERSE): Define.
6025 (reverse_op): New function.
6026 (add_stores): For reversible operations add an extra MO_VAL_USE.
6028 2010-03-02 Jason Merrill <jason@redhat.com>
6030 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
6032 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
6034 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
6035 (sparc64-*-linux*): Likewise.
6036 (sparc64-*-solaris2*): Include assembler files before linker ones.
6037 (sparc-*-solaris2*): Simplify and reorder to match previous case.
6038 * config/sparc/gas.h: Delete.
6039 * config/sparc/sol2-64.h: Add copyright notice.
6040 * config/sparc/sol2-gas-bi.h: Likewise.
6041 * config/sparc/sol2-gld.h: Likewise.
6042 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
6043 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
6044 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
6045 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
6046 (sparc_elf_asm_named_section): Rename into...
6047 (sparc_solaris_elf_asm_named_section): ...this. Always define.
6049 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
6051 * config/alpha/alpha.c (override_options): Fix -mtune error message.
6053 2010-03-02 Jeff Law <law@redhat.com>
6056 * reload1.c (rtx_p, substitute_stack): Declare.
6057 (substitute): Record addresses of changed rtxs.
6058 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
6059 Restore the original rtx when complete.
6060 (reload): Free subsitute_stack when complete.
6062 2010-03-02 Janis Johnson <janis187@us.ibm.com>
6064 * doc/gccint.texi (menu): Add Testsuites as a chapter.
6065 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
6067 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
6068 LTO Testing, gcov Testing, profopt Testing, compat Testing,
6069 Torture Tests): Change from subsection to section.
6071 2010-03-02 Jakub Jelinek <jakub@redhat.com>
6072 Steven Bosscher <steven@gcc.gnu.org>
6074 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
6077 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
6080 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
6081 the assignment from the new induction variable to the assignment
6082 of the value from the original loop PHI function.
6084 2010-03-01 Janis Johnson <janis187@us.ibm.com>
6085 Daniel Jacobowitz <dan@codesourcery.com>
6087 * doc/sourcebuild.texi (Test directives): Clarify options to
6090 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6092 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
6093 Disable cfi directives unless GCC and gas agree on using read-only
6094 .eh_frame sections for 64-bit.
6095 * configure: Regenerate.
6097 2010-03-01 Richard Guenther <rguenther@suse.de>
6099 PR tree-optimization/43220
6100 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
6101 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
6103 2010-03-01 Richard Guenther <rguenther@suse.de>
6104 Martin Jambor <mjambor@suse.cz>
6107 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
6108 gimplified parameters.
6110 2010-03-01 Christian Bruel <christian.bruel@st.com>
6112 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
6114 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
6116 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
6118 2010-03-01 Richard Guenther <rguenther@suse.de>
6121 * expr.c (expand_assignment): Use the alias-oracle to tell
6122 if the rhs aliases the result decl.
6124 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6127 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
6128 to sol_gt_pch_get_address.
6129 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
6130 64-bit, SPARC and x86.
6131 (sol_gt_pch_get_address): New function.
6133 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
6135 * toplev.h (inform_n, error_n): Declare.
6136 * diagnostic.c (inform_n, error_n): New function.
6138 2010-03-01 Jakub Jelinek <jakub@redhat.com>
6140 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
6141 has no rtl yet when processing local_decls, queue it and recheck
6142 if deferred stack allocation hasn't assigned it rtl.
6144 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
6146 * config/sh/sh.c (unspec_bbr_uid): New.
6147 (gen_block_redirect): Use it instead of INSN_UID.
6148 (gen_far_branch): Likewise.
6150 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
6152 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
6153 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
6155 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6157 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
6158 (Warning Options): -Wno-conversion-null is valid for
6159 Objective-C++ as well.
6160 * doc/tm.texi (Named Address Spaces): Likewise.
6161 * doc/plugins.texi (Plugins): Replace TABs with spaces.
6162 * doc/tree-ssa.texi (Tree SSA): Likewise.
6164 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
6167 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
6168 by default. Don't set the default arch for
6169 i[34567]86-*-darwin*|x86_64-*-darwin*.
6171 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
6174 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
6175 default. Set the default 32bit/64bit archs with $with_arch
6176 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
6178 2010-02-27 Richard Guenther <rguenther@suse.de>
6180 PR tree-optimization/43186
6181 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
6182 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
6183 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
6184 unroller iterations.
6186 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
6188 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
6189 required and i[34567]86-*-* targets don't support 64bit ISA.
6191 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
6194 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
6197 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
6199 * config.gcc: Set the default arch at least to Prescott for
6200 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
6201 if SSE math is enabled.
6203 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
6205 * diagnostic.c (diagnostic_initialize): Update.
6206 (diagnostic_report_diagnostic): Test inhibit_notes_p for
6208 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
6209 (diagnostic_inhibit_notes): New.
6210 * toplev.c (process_options): inhibit notes with -fcompare-debug.
6212 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
6215 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
6216 * doc/standards.texi: Likewise.
6217 * doc/extend.texi: Likewise.
6218 * doc/trouble.texi: Likewise.
6219 * doc/cppopts.texi: Likewise.
6220 * doc/install.texi: Likewise.
6221 * c.opt (std=c90,std=gnu90): New options.
6222 * c-opts.c (c_common_handle_option): Handle them.
6224 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
6227 * c-decl.c (undeclared_variable): Use an informative note.
6229 2010-02-26 Richard Guenther <rguenther@suse.de>
6231 PR tree-optimization/43186
6232 * gimple.h (gimple_fold): Remove.
6233 * gimple.c (gimple_fold): Remove. Inline into single user ...
6234 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
6235 Try harder for conditions.
6237 2010-02-26 Jakub Jelinek <jakub@redhat.com>
6240 * function.c (used_types_insert): Don't skip through named pointer
6241 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
6242 and it is different from the main variant's type.
6244 2010-02-26 Nick Clifton <nickc@redhat.com>
6246 * config/rx/rx.md (sminsi3): Remove bogus alternative.
6248 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
6250 * config.gcc: Support --with-fpmath=sse for x86.
6252 * config/i386/ssemath.h: New.
6254 * doc/install.texi (--with-fpmath=sse): Documented.
6256 2010-02-26 Richard Guenther <rguenther@suse.de>
6258 PR tree-optimization/43188
6259 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
6260 vector types of over-aligned element type.
6262 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
6265 * config/i386/i386.c (expand_vec_perm_blend): Use correct
6266 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
6268 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
6270 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
6272 2010-02-26 Jakub Jelinek <jakub@redhat.com>
6274 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
6275 * var-tracking.c: Include diagnostic.h.
6276 (debug_dv): New function.
6277 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
6280 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
6281 (add_value_chain, add_value_chains, remove_value_chain,
6282 remove_value_chains): Handle DEBUG_EXPRs.
6283 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
6286 * regcprop.c (struct queued_debug_insn_change): New type.
6287 (struct value_data_entry): Add debug_insn_changes field.
6288 (struct value_data): Add n_debug_insn_changes field.
6289 (debug_insn_changes_pool): New variable.
6290 (free_debug_insn_changes, apply_debug_insn_changes,
6291 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
6292 (kill_value_one_regno): Call free_debug_insn_changes if needed.
6293 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
6295 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
6297 (copyprop_hardreg_forward_1): Don't call apply_change_group for
6298 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
6299 changes, call cprop_find_used_regs via note_stores.
6300 (copyprop_hardreg_forward): When copying vd from predecessor
6301 which has any queued DEBUG_INSN changes, make sure the pointers are
6302 cleared. At the end call df_analyze and then if there are any
6303 DEBUG_INSN changes queued at the end of some basic block for still
6304 live registers, apply them.
6305 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
6307 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
6309 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
6312 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
6314 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
6315 targets. Set the default with_cpu/with_arch from arch/cpu.
6316 Allow x86-64 and native for with_cpu/with_arch.
6318 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
6320 * ebitmap.c: Change calls to verify_popcount with calls to
6321 sbitmap_verify_popcount.
6322 (ebitmap_clear_bit): Fixed map->cacheindex test and
6323 map>cache update when bit clearing results in an empty
6326 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
6329 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
6330 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
6331 and support both V2DF and V2DI modes.
6332 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
6333 support both V2DF and V2DI modes.
6334 (general): Delete trailing whitespace from a few patterns.
6336 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
6337 V2DF/V2DI interleave high/low builtins.
6339 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
6342 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
6343 interleave high/low functions.
6345 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
6347 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
6348 #pragma extern_prefix.
6350 2010-02-25 Jakub Jelinek <jakub@redhat.com>
6353 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
6354 BLKmode, assert op0 is a MEM and just adjust its mode.
6357 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
6358 if bitpos isn't multiple of mode's bitsize.
6360 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
6362 * c.opt (-ftemplate-depth=): New.
6363 (-ftemplate-depth-): Deprecate.
6364 * optc-gen.awk: Handle -ftemplate-depth=.
6365 * opth-gen.awk: Likewise.
6366 * c-opts.c (c_common_handle_option): Likewise.
6367 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
6369 2010-02-24 Jason Merrill <jason@redhat.com>
6371 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
6373 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6375 * cfg.c (alloc_aux_for_block): Remove inline.
6376 (alloc_aux_for_edge): Likewise.
6378 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6380 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
6382 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6384 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
6385 * config/i386/sol2-gas.h: New file.
6386 * config.gcc (i[34567]86-*-solaris2*): Use it.
6388 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
6391 * c-typeck.c (ep_convert_and_check): New.
6392 (build_conditional_expr): Use it.
6393 (build_binary_op): Likewise.
6395 2010-02-24 Jakub Jelinek <jakub@redhat.com>
6397 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
6400 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
6401 bounds even for -O+.
6402 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
6403 expr needs to have DECL_NAME set.
6405 2010-02-24 Nick Clifton <nickc@redhat.com>
6407 * config/mep/mep.c: Include gimple.h.
6408 (mep_function_uses_sp): Delete unused function.
6409 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
6410 parameters. Use unsigned integers to count args. Return a
6411 NULL_RTX instead of an error_mark_node. Toidy up formatting.
6413 2010-02-23 Jakub Jelinek <jakub@redhat.com>
6416 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
6417 greater or equal to nelt instead of 2 * nelt.
6418 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
6421 2010-02-23 Jason Merrill <jason@redhat.com>
6424 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
6425 in cfun->local_decls even if they have register types.
6428 * stor-layout.c (place_field): Don't warn about unnecessary
6429 DECL_PACKED if the type is packed.
6431 2010-02-23 Jakub Jelinek <jakub@redhat.com>
6434 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
6435 GOTOFF relocs, even when the base reg isn't pic pointer.
6437 2010-02-23 Michael Matz <matz@suse.de>
6440 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
6441 (expand_gimple_basic_block): Generate and use debug temps if there
6442 are debug uses left after the last real use of TERed ssa names.
6443 Unlink debug immediate uses when they are expanded.
6445 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
6448 * config/i386/i386.c (override_options): Reorganise to provide
6449 better error messages.
6451 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
6454 * graphite-scop-detection.c (create_single_exit_edge): Move
6455 the call to find_single_exit_edge to....
6456 (create_sese_edges): ...here. Don't handle multiple edges
6457 exiting the function.
6458 (build_graphite_scops): Don't handle multiple edges
6459 exiting the function.
6461 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
6464 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
6465 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
6467 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
6470 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
6472 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
6475 * c-typeck.c (convert_arguments): Print declaration location.
6476 * c-common.c (validate_nargs): Rename as
6477 builtin_function_validate_nargs.
6478 (check_builtin_function_arguments): Update.
6480 2010-02-22 Richard Guenther <rguenther@suse.de>
6483 * tree-inline.c (declare_return_variable): Use the type of
6484 the call stmt lhs if available.
6486 2010-02-22 Duncan Sands <baldrick@free.fr>
6488 * passes.c (register_pass): Always consider all pass lists when
6489 ref_pass_instance_number is zero.
6491 2010-02-22 Richard Guenther <rguenther@suse.de>
6493 PR tree-optimization/42749
6494 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
6495 parameter. Do arithmetic in the original type.
6496 (update_accumulator_with_ops): Likewise.
6497 (adjust_accumulator_values): Adjust.
6499 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6501 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
6502 (QI to BLKmode splitter): New splitter.
6504 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
6506 * config/i386/i386.c (initial_ix86_tune_features): Turn on
6507 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
6509 2010-02-22 Richard Guenther <rguenther@suse.de>
6511 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
6513 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
6515 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
6516 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
6517 ($(T)crti.o, $(T)crtn.o): Remove rules.
6519 2010-02-21 Tobias Burnus <burnus@net-b.de>
6522 * doc/invoke.texi (-fassociative-math): Document that this
6523 option is automatically enabled for Fortran.
6525 2010-02-20 David S. Miller <davem@davemloft.net>
6527 * configure.ac: Test if linker and assembler properly support
6528 GOTDATA_OP relocations.
6529 * configure: Rebuild.
6530 * config.in: Likewise.
6531 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
6532 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
6533 (movsi_high_pic): Likewise.
6534 (movdi_lo_sum_pic): Likewise.
6535 (movdi_high_pic): Likewise.
6536 (movsi_pic_gotdata_op): New pattern.
6537 (movdi_pic_gotdata_op): Likewise.
6538 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
6539 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
6541 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
6544 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
6545 attribute to ssemul.
6546 (xop_mulv2div2di3_high): Ditto.
6548 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
6551 * c.opt (Wconversion-null): New option.
6552 * doc/invoke.texi (Wconversion-null): Document.
6554 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
6556 * common.opt (Wlarger-than-): Add Undocumented.
6558 2010-02-19 Mike Stump <mikestump@comcast.net>
6560 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
6562 2010-02-19 Jason Merrill <jason@redhat.com>
6565 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
6566 * configure: Likewise.
6568 2010-02-20 Alan Modra <amodra@gmail.com>
6571 * cgraph.h (cgraph_make_decl_local): Declare.
6572 * cgraph.c (cgraph_make_decl_local): New function.
6573 (cgraph_make_node_local): Use it.
6574 * cgraphunit.c (cgraph_function_versioning): Likewise.
6575 * ipa.c (function_and_variable_visibility): Likewise.
6577 2010-02-19 Jakub Jelinek <jakub@redhat.com>
6580 * except.c (sjlj_emit_function_enter): Don't call
6581 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
6583 * rtl.h (add_reg_br_prob_note): Remove prototype.
6585 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
6588 * c-common.c (conversion_warning): Remove widening conversions
6589 before checking the conversion of integers to reals.
6591 2010-02-19 Mike Stump <mikestump@comcast.net>
6594 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
6597 * cgraphunit.c (process_function_and_variable_attributes): Check
6598 DECL_PRESERVE_P instead of looking up attribute "used".
6599 * ipa-pure-const.c (check_decl): Likewise.
6600 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
6601 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
6602 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
6603 instead of attribute "used".
6604 * config/sol2-c.c (solaris_pragma_init): Likewise.
6605 (solaris_pragma_fini): Likewise.
6607 2010-02-19 Jakub Jelinek <jakub@redhat.com>
6609 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
6610 Use XCNEW instead of xcalloc.
6611 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
6612 XNEW instead of xmalloc.
6613 (get_fields): Use XNEWVEC instead of xmalloc.
6616 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
6617 populate vars array.
6618 (create_new_general_access): For debug stmts just reset value.
6619 (get_stmt_accesses): For accesses within debug stmts just record them
6620 using add_access_to_acc_sites instead of preventing the peeling or
6621 counting them as accesses.
6624 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
6626 2010-02-19 Richard Guenther <rguenther@suse.de>
6628 PR tree-optimization/42916
6629 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
6632 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
6634 * configure.ac: Replace all uses of changequote in macro arguments
6635 with proper quoting.
6637 2010-02-19 Jakub Jelinek <jakub@redhat.com>
6640 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
6642 2010-02-19 Richard Guenther <rguenther@suse.de>
6644 PR tree-optimization/42944
6645 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
6646 test for aliasing with errno.
6648 2010-02-19 Jakub Jelinek <jakub@redhat.com>
6651 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
6652 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
6653 * dojump.c: Include output.h.
6654 (inv): New inline function.
6655 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
6656 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
6657 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
6658 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
6659 argument, pass it down to other calls.
6660 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
6661 add REG_BR_PROB note to the conditional jump.
6662 * cfgexpand.c (add_reg_br_prob_note): Removed.
6663 (expand_gimple_cond): Don't call it, add the probability
6664 as last argument to jumpif_1/jumpifnot_1.
6665 * Makefile.in (dojump.o): Depend on output.h.
6666 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
6668 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
6669 * stmt.c (do_jump_if_equal): Likewise.
6670 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
6671 * loop-unswitch.c (compare_and_jump_seq): Likewise.
6672 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
6674 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
6675 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
6676 jumpifnot_1 callers.
6677 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
6679 (store_expr): Adjust jumpifnot caller.
6680 (store_constructor): Adjust jumpif caller.
6683 * gimplify.c (gimple_boolify): For __builtin_expect call
6684 gimple_boolify also on its first argument.
6686 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
6688 * configure.ac (gnu-unique-object): Wrap regexps using [] in
6690 (__stack_chk_fail): Ditto. Remove quadrigraphs.
6691 * configure: Regenerated.
6693 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
6695 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
6696 lang_hooks.types_compatible_p instead of comptypes.
6698 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
6700 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
6701 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
6702 if __prefer_thumb__ is defined.
6704 2010-02-18 Martin Jambor <mjambor@suse.cz>
6706 PR tree-optimization/43066
6707 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
6708 array with zero-sized element type.
6710 2010-02-18 Jakub Jelinek <jakub@redhat.com>
6712 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
6713 rtx, allocate struct var_loc_node here and return it to the
6714 caller, and only if it is actually needed.
6715 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
6716 move it earlier and return immediately if it returns NULL.
6718 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
6720 * config/sparc/gas.h: New file. Restore
6721 TARGET_ASM_NAMED_SECTION to its ELF default.
6722 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
6724 * config/sparc/sparc.c (sparc_elf_asm_named_section):
6725 Likewise. Add ATTRIBUTE_UNUSED to prototype.
6726 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
6727 after sparc/sysv4.h.
6729 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
6731 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
6733 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
6735 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
6736 patterns from predicated pattern.
6738 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
6741 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
6742 for insn mnemonic suffix.
6744 2010-02-17 Richard Guenther <rguenther@suse.de>
6746 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
6749 2010-02-17 Jakub Jelinek <jakub@redhat.com>
6752 * caller-save.c (save_call_clobbered_regs): If BB ends with
6753 a DEBUG_INSN, move any notes in between last real insn and the last
6754 DEBUG_INSN after the last DEBUG_INSN.
6756 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
6758 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
6759 Fix return type. Fix argument type. Explain meaning of return value.
6761 2010-02-16 Richard Guenther <rguenther@suse.de>
6763 PR tree-optimization/41043
6764 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
6765 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
6767 (vrp_visit_phi_node): ... but only for loop PHI nodes.
6769 2010-02-16 Ira Rosen <irar@il.ibm.com>
6771 PR tree-optimization/43074
6772 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
6773 * tree-vect-loop.c (vect_analyze_loop_operations): Add
6774 vectorizable cycles in hybrid SLP check.
6775 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
6777 2010-02-16 Richard Guenther <rguenther@suse.de>
6779 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
6780 (true_dependence): If memrefs_conflict_p computes must-alias
6781 trust it. Move TBAA check after offset-based disambiguation.
6782 (canon_true_dependence): Likewise.
6784 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
6786 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
6787 * doc/invoke.texi: Document it.
6788 * var-tracking.c: Include toplev.h and params.h.
6789 (vt_find_locations): Return bool indicating success. Compute
6790 hash sizes unconditionally. Check new parameter, report.
6791 (variable_tracking_main_1): Check vt_find_locations results and
6792 retry. Renamed from...
6793 (variable_tracking_main): ... this. New wrapper to preserve
6794 flag_var_tracking_assignments.
6795 * Makefile.in (var-tracking.o): Adjust dependencies.
6797 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
6798 Jakub Jelinek <jakub@redhat.com>
6801 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
6802 if weak_import attribute is present.
6803 * config/darwin.c (machopic_select_section): Likewise.
6805 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
6807 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
6808 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
6809 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
6810 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
6812 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
6815 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
6818 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
6819 Rewrite text to refer to the names.
6821 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
6823 * config/i386/i386-builtin-types.def
6824 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
6825 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
6826 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
6827 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
6828 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
6829 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
6830 IX86_BUILTIN_VPERMIL2PS256.
6831 (MULTI_ARG_4_DF2_DI_I): Defined.
6832 (MULTI_ARG_4_DF2_DI_I1): Defined.
6833 (MULTI_ARG_4_SF2_SI_I): Defined.
6834 (MULTI_ARG_4_SF2_SI_I1): Defined.
6835 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
6836 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
6837 __builtin_ia32_vpermil2ps256.
6838 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
6839 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
6840 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
6841 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
6842 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
6843 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
6844 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
6845 CODE_FOR_xop_vpermil2v8sf3.
6846 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
6847 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
6848 * config/i386/xopintrin.h (_mm_permute2_pd): New.
6849 (_mm256_permute2_pd): New.
6850 (_mm_permute2_ps): New.
6851 (_mm256_permute2_ps): New.
6853 2010-02-15 Nick Clifton <nickc@redhat.com>
6855 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
6856 boolean parameters. Use emit_jump_insn when emitting a pop
6857 instruction containing a return insn.
6858 (push): Use 'true' rather than '1' as second parameter to F.
6859 (h8300_expand_prologue): Likewise.
6860 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
6861 (h8300_expand_epilogue): Likewise.
6863 2010-02-15 Richard Guenther <rguenther@suse.de>
6866 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
6869 2010-02-15 Nick Clifton <nickc@redhat.com>
6871 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
6874 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
6876 * intl.c (fake_ngettext): New function.
6877 * intl.h (fake_ngettext): Declare.
6878 (ngettext): Define macro.
6879 * collect2.c (notice_translated): New function.
6880 (main): Use notice_translated and ngettext.
6881 * collect2.h (notice_translated): Declare.
6883 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
6885 * reorg.c (delete_computation): Comment fixes.
6886 * caller-save.c (setup_save_areas): Idem.
6887 * sel-sched-dump.c (dump_lv_set): Idem.
6890 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6892 * config/s390/s390.c (s390_sched_init): New function.
6893 (TARGET_SCHED_INIT): Target hook defined.
6895 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
6896 Jack Howarth <howarth@bromo.med.uc.edu>
6897 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
6900 Partial revert of unintended change in fix for PR41605.
6901 * config/darwin.h: Fix typo.
6902 * config/darwin9.h: Same.
6904 2010-02-11 Jakub Jelinek <jakub@redhat.com>
6906 * c-pch.c (pch_init): Clear v.
6908 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6911 * graphite-scop-detection.c (graphite_can_represent_scev): Call
6912 graphite_can_represent_init for MULT_EXPR.
6914 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6918 * graphite-sese-to-poly.c (remove_phi): New.
6919 (translate_scalar_reduction_to_array): Call remove_phi.
6921 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6924 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
6925 * graphite-clast-to-gimple.h (gloog): Update declaration.
6926 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
6927 * graphite-poly.h (struct poly_bb): Add missing comments.
6928 (struct scop): Add poly_scop_p field.
6930 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
6931 * graphite.c (graphite_transform_loops): Build the polyhedral
6932 representation for each scop before code generation.
6933 * sese.c (rename_variables_in_operand): Removed.
6934 (rename_variables_in_expr): Return the renamed expression.
6935 (rename_sese_parameters): New.
6936 * sese.h (rename_sese_parameters): Declared.
6938 2010-02-11 Richard Guenther <rguenther@suse.de>
6940 PR tree-optimization/42998
6941 * tree-ssa-pre.c (create_expression_by_pieces): Treat
6942 POINTER_PLUS_EXPR properly.
6944 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6945 Changpeng Fang <changpeng.fang@amd.com>
6948 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
6949 the cost of an IV candidate when the IV is used in a test against zero.
6951 * gcc.dg/tree-ssa/ivopts-3.c: New.
6953 2010-02-11 Richard Guenther <rguenther@suse.de>
6956 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
6957 pointer-vs-decl case by swapping refs. Handle some cases
6958 of pointer-vs-decl disambiguations more conservatively.
6959 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
6960 to false after expanding.
6962 2010-02-11 Richard Guenther <rguenther@suse.de>
6965 * gcc.c (process_command): Handle LTO file@offset case more
6968 2010-02-11 Jakub Jelinek <jakub@redhat.com>
6970 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
6971 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
6973 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
6975 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
6976 if MEM's mode size isn't DWARF2_ADDR_SIZE.
6977 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
6978 Optimize eq/ne comparisons when both arguments are known to be
6980 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
6981 Don't mask operands unnecessarily if they are known to be already
6984 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
6986 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
6989 2010-02-10 Richard Guenther <rguenther@suse.de>
6991 PR tree-optimization/43017
6992 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
6993 for wrapping signed arithmetic.
6995 2010-02-10 Jakub Jelinek <jakub@redhat.com>
6998 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
6999 if no debug info should be emitted for it.
7001 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
7003 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
7004 note when flag_exceptions is set.
7006 2010-02-10 Duncan Sands <baldrick@free.fr>
7008 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
7010 2010-02-10 Richard Guenther <rguenther@suse.de>
7013 * tree.c (get_unwidened): Handle constants.
7014 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
7016 2010-02-10 Martin Jambor <mjambor@suse.cz>
7019 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
7020 check for variable argument counts independently.
7022 2010-02-10 Christian Bruel <christian.bruel@st.com>
7025 * config/sh/sh.c (find_barrier): Increase length for non delayed
7026 conditional branches.
7028 2010-02-10 Christian Bruel <christian.bruel@st.com>
7030 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
7032 2010-02-10 Jakub Jelinek <jakub@redhat.com>
7034 * builtins.c (set_builtin_user_assembler_name): Also handle
7035 ffs if int is smaller than word.
7037 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
7040 * ira-conflicts.c (get_dup): Remove.
7041 (process_reg_shuffles): Add new parameter. Use it as an
7042 additional guard for copy generation.
7043 (add_insn_allocno_copies): Rewrite.
7045 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
7047 * common.opt (fsched2-use-traces): Preserved for backward
7049 * doc/invoke.texi: Remove the documentation about option
7050 -fsched2-use-traces.
7051 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
7052 flag_sched2_use_traces.
7053 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
7054 the backward compatibility flag section.
7056 2010-02-09 Richard Guenther <rguenther@suse.de>
7058 PR tree-optimization/43008
7059 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
7060 make HEAP variables initialized from global memory if they
7061 are not known builtin functions.
7062 (find_func_aliases): Adjust.
7064 2010-02-09 Richard Guenther <rguenther@suse.de>
7066 PR tree-optimization/43000
7067 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
7068 arithmetic manually.
7070 2010-02-08 Jakub Jelinek <jakub@redhat.com>
7072 PR tree-optimization/42931
7073 * tree-loop-linear.c (try_interchange_loops): Don't call
7074 double_int_mul if estimated_loop_iterations failed.
7076 2010-02-08 Martin Jambor <mjambor@suse.cz>
7079 * tree-sra.c (build_accesses_from_assign): Do not mark in
7080 should_scalarize_away_bitmap if stmt has volatile ops.
7081 (sra_modify_assign): Do not process assigns piecemeal if if stmt
7084 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
7086 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
7088 2010-02-07 Adam Nemet <adambnmet@gmail.com>
7090 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
7093 2010-02-07 Andrew Pinski <pinskia@gmail.com>
7096 * df-core.c (df_finish_pass): Change type of saved_flags to int.
7098 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
7101 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
7102 to unknown_dependence.
7103 (graphite_legal_transform_dr): Handle the unknown_dependence.
7104 (graphite_carried_dependence_level_k): Same.
7106 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
7108 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
7110 2010-02-07 Richard Guenther <rguenther@suse.de>
7113 * expr.c (get_inner_reference): Always initialize *pbitsize.
7115 2010-02-07 Richard Guenther <rguenther@suse.de>
7118 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
7119 new ARRAY_REFs on variable size element or minimal index arrays.
7121 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
7122 gimple_fold_indirect_ref.
7124 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
7127 * arm.c (arm_override_options): Just return if the user has specified
7128 an invalid fpu name.
7130 2010-02-03 Jason Merrill <jason@redhat.com>
7133 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
7134 i386_pe_maybe_record_exported_symbol.
7136 2010-02-05 Steve Ellcey <sje@cup.hp.com>
7139 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
7140 (pa_delegitimize_address): New function.
7142 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
7144 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
7145 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
7147 2010-02-05 Richard Guenther <rguenther@suse.de>
7150 * lto-streamer-in.c (get_resolution): Deal with references
7151 to undefined functions.
7153 2010-02-05 Richard Guenther <rguenther@suse.de>
7155 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
7156 (fold_const_aggregate_ref): Likewise.
7157 (ccp_fold_stmt): Substitute loads.
7158 (maybe_fold_reference): Verify types before substituting.
7160 (fold_gimple_assign): Unshare properly.
7161 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
7163 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
7165 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
7166 for rs6000_gen_cell_microcode.
7168 2010-02-04 Richard Guenther <rguenther@suse.de>
7170 PR rtl-optimization/42952
7171 * dse.c (const_or_frame_p): Remove MEM handling.
7173 2010-02-04 Nick Clifton <nickc@redhat.com>
7175 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
7176 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
7177 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
7178 (mn10300_asm_output_mi_thunk): New function.
7179 (mn10300_can_output_mu_thunk): New function.
7180 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
7181 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
7182 (FUNCTION_ARG): Delete incorrect comment.
7184 2010-02-03 Jason Merrill <jason@redhat.com>
7187 * fold-const.c (operand_equal_p): Handle erroneous types.
7189 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
7191 * config/h8300/h8300.md (can_delay): Fix attibute condition.
7193 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
7195 PR rtl-optimization/42941
7196 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
7199 2010-02-03 Jason Merrill <jason@redhat.com>
7202 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
7204 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
7207 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
7208 (cselib_reset_table): Renamed from...
7209 (cselib_reset_table_with_next_value): ... this.
7210 (cselib_get_next_uid): Renamed from...
7211 (cselib_get_next_unknown_value): ... this.
7212 * cselib.c (next_uid): Renamed from...
7213 (next_unknown_value): ... this.
7214 (cselib_clear_table): Adjust.
7215 (cselib_reset_table): Adjust. Renamed from...
7216 (cselib_reset_table_with_next_value): ... this.
7217 (cselib_get_next_uid): Adjust. Renamed from...
7218 (cselib_get_next_unknown_value): ... this.
7219 (get_value_hash): Use hash.
7220 (cselib_hash_rtx): Likewise.
7221 (new_cselib_val): Adjust. Set and dump uid.
7222 (cselib_lookup_mem): Pass next_uid as hash.
7223 (cselib_subst_to_values): Likewise.
7224 (cselib_log_lookup): Dump uid.
7225 (cselib_lookup): Pass next_uid as hash. Adjust.
7226 (cselib_process_insn): Adjust.
7227 (cselib_init): Initialize next_uid.
7228 (cselib_finish): Adjust.
7229 (dump_cselib_table): Likewise.
7230 * dse.c (canon_address): Dump value uid.
7231 * print-rtl.c (print_rtx): Print value uid.
7232 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
7234 (dv_uid): New function, sort of renamed from...
7235 (dv_htab_hash): ... this, reimplemented in terms of it and...
7236 (dv_uid2hash): ... this. New.
7237 (variable_htab_eq): Drop excess assertions.
7238 (tie_break_pointers): Removed.
7239 (canon_value_cmp): Compare uids.
7240 (variable_post_merge_New_vals): Print uids.
7241 (vt_add_function_parameters): Adjust.
7242 (vt_initialize): Reset table. Adjust.
7244 2010-02-03 Richard Guenther <rguenther@suse.de>
7246 PR tree-optimization/42944
7247 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
7248 (call_may_clobber_ref_p_1): Likewise. Properly handle
7249 malloc and calloc clobbering errno.
7251 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
7253 * doc/invoke.texi: Fix name of sched1 dump.
7255 * opts.c (decode_options): Set flag_tree_switch_conversion
7256 only conditionally on optimize >= 2.
7258 * gcse.c: Assorted comment fixes in pass description.
7260 2010-02-03 Anthony Green <green@moxielogic.com>
7262 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
7263 nop padding in order to maintain alignment of storage location of
7264 target function address.
7265 (moxie_trampoline_init): Store target function address at newly
7267 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
7269 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
7271 2010-02-03 Richard Guenther <rguenther@suse.de>
7274 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
7276 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7278 * config.gcc: Reenable check for obsolete targets.
7279 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
7280 mips-sgi-irix6.[0-4]*.
7282 2010-02-02 Nick Clifton <nickc@redhat.com>
7284 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
7285 constant size of 4 as being the same as 0.
7286 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
7287 can take values in the range 0..4.
7289 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
7292 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
7293 as _darwin10_Unwind_FindEnclosingFunction().
7294 * libgcc-libsystem.ver: New.
7296 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
7299 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
7300 implicitly set registers.
7302 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
7304 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
7305 (arm_override_options): Allow automatic selection of the thread
7306 pointer register if thumb2.
7307 (legitimize_pic_address): Improve code sequences for Thumb2.
7308 (arm_call_tls_get_addr): Likewise.
7309 (legitimize_tls_address): Likewise.
7310 * arm.md (pic_load_addr_arm): Delete. Replace with ...
7311 (pic_load_addr_32bit): ... this. New named pattern.
7312 * thumb2.md (pic_load_addr_thumb2): Delete.
7313 (pic_load_dot_plus_four): Delete.
7314 (tls_load_dot_plus_four): New named pattern.
7316 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7319 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
7320 Document fix for TLS bug.
7322 2010-01-31 Richard Guenther <rguenther@suse.de>
7324 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
7325 conservatively correct.
7327 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7331 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7333 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
7335 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7337 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
7339 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
7341 * config.gcc: Adjust order of makefile fragments for mingw targets.
7343 2010-01-31 Richard Guenther <rguenther@suse.de>
7346 * gimplify.c (gimplify_init_constructor): For volatile LHS
7347 initialize a temporary.
7349 2010-01-31 Matthias Klose <doko@ubuntu.com>
7351 * configure.ac: Fix __stack_chk_fail check for cross builds configured
7353 * configure: Regenerate.
7355 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
7357 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
7358 the same alias set and their sizes different constantness.
7359 (aliasing_component_refs_p): Revert 2009-10-24 change.
7361 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7363 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
7366 2010-01-29 Richard Guenther <rguenther@suse.de>
7368 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
7369 Assert we successfully updated the call.
7371 2010-01-29 Jakub Jelinek <jakub@redhat.com>
7373 PR rtl-optimization/42889
7374 * df.h (df_set_bb_dirty_nonlr): New prototype.
7375 * df-core.c (df_set_bb_dirty_nonlr): New function.
7376 * df-scan.c (df_insn_rescan): Call it instead of
7377 df_set_bb_dirty for DEBUG_INSNs.
7379 2010-01-29 Richard Guenther <rguenther@suse.de>
7382 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
7383 quadratic behavior in most cases.
7385 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
7388 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
7389 in the call to gen_x86_movsicc_0_m1.
7391 2010-01-28 Richard Guenther <rguenther@suse.de>
7393 PR tree-optimization/42871
7394 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
7396 2010-01-28 Richard Guenther <rguenther@suse.de>
7398 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
7399 into call arguments.
7401 2010-01-28 Richard Guenther <rguenther@suse.de>
7404 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
7405 the forwarder if the destination is an EH landing pad.
7407 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
7409 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
7410 block list passed to gimple_duplicate_sese_tail.
7411 (parallelize_loops): Avoid parallelization when the function
7413 Avoid parallelization when the preheader is IRREDUCIBLE.
7414 Try to optimize when estimated_loop_iterations_int is unresolved.
7415 Add the loop's location to the dump file.
7416 * tree-cfg.c (add_phi_args_after_redirect): Remove.
7417 (gimple_duplicate_sese_tail): Remove the check for the latch.
7418 Redirect nexits to the exit block.
7419 Remove handling of the incoming edges to the latch.
7420 Redirect the backedge from the copied latch to the exit bb.
7422 2010-01-28 Michael Matz <matz@suse.de>
7425 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
7426 Wrap force_reg into a sequence, emit it before user.
7428 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
7430 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
7432 (arm_legacy_rev): Likewise.
7433 (thumb_legacy_rev): Likewise.
7435 2010-01-27 Jakub Jelinek <jakub@redhat.com>
7437 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
7438 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
7439 on MEM's address failed, try avoid_constant_pool_reference and
7440 recurse if it returned something different.
7441 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
7442 address, try avoid_constant_pool_reference and recurse if it
7443 returned something different.
7444 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
7445 address and avoid_constant_pool_reference returned something
7446 different, don't set have_address.
7448 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
7451 * var-tracking.c (val_store): Add modified argument, obey it.
7453 (count_uses): Move down logging of main.
7454 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
7455 don't need resolution.
7456 (emit_notes_in_bb): Likewise.
7458 2010-01-27 Richard Guenther <rguenther@suse.de>
7461 * tree-inline.c (remap_decl): Delay remapping of SSA name
7462 default definitions until we need them.
7464 2010-01-27 Jakub Jelinek <jakub@redhat.com>
7466 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
7467 (rs6000_delegitimize_address): New function.
7469 * config/s390/s390.c (s390_delegitimize_address): Call
7470 delegitimize_mem_from_attrs.
7473 * tree-inline.c (cannot_copy_type_1): Removed.
7474 (copy_forbidden): Don't forbid copying of functions containing
7475 records/unions with variable length fields.
7477 2010-01-27 Christian Bruel <christian.bruel@st.com>
7481 * config/sh/sh.c (find_barrier): Increase length for non delayed
7482 conditional branches.
7484 2010-01-27 Matthias Klose <doko@ubuntu.com>
7486 * configure.ac (gnu-unique-object): Fix ldd version check.
7487 * configure: Regenerate.
7489 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7491 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
7493 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
7494 Test for HAVE_GNU_AS value.
7496 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7498 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
7499 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
7500 INT64_TYPE): Define.
7501 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
7502 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7503 INT_LEAST64_TYPE): Define.
7504 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
7505 UINT_LEAST64_TYPE): Define.
7506 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
7507 INT_FAST64_TYPE): Define.
7508 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7509 UINT_FAST64_TYPE): Define.
7510 (INTMAX_TYPE, UINTMAX_TYPE): Define.
7511 (INTPTR_TYPE, UINTPTR_TYPE): Define.
7512 (SIG_ATOMIC_TYPE): Define.
7514 2010-01-26 Richard Guenther <rguenther@suse.de>
7516 * df-scan.c (df_scan_set_bb_info): Remove assert.
7517 (df_insn_rescan_debug_internal): Merge asserts.
7518 (df_install_ref): Likewise.
7519 (df_mark_reg): Use bitmap_set_range.
7520 (df_hard_reg_used_p): Remove assert.
7521 (df_hard_reg_used_count): Likewise.
7523 2010-01-26 Richard Guenther <rguenther@suse.de>
7525 PR rtl-optimization/42685
7526 * web.c (web_main): Ignore DEBUG_INSNs.
7528 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
7530 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
7532 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
7533 Fix types of fndecl and arglist parameters.
7535 2010-01-26 Richard Guenther <rguenther@suse.de>
7538 * tree-eh.c (unsplit_eh): Skip debug insns.
7540 2010-01-26 Richard Guenther <rguenther@suse.de>
7542 PR tree-optimization/42250
7543 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
7545 2010-01-26 Jakub Jelinek <jakub@redhat.com>
7548 * omp-low.c (expand_omp_sections): Only use single_pred if
7549 l2_bb is single_pred_p.
7551 2010-01-25 Christian Bruel <christian.bruel@st.com>
7554 * config/sh/sh.c (find_barrier): Increase length for non delayed
7555 conditional branches.
7556 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
7558 2010-01-24 David S. Miller <davem@davemloft.net>
7560 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
7561 define if not using GAS.
7562 * config/sparc/sparc.c (sparc_elf_asm_named_section):
7563 Likewise. Delete SECTION_MERGE code, which is only applicable
7566 2010-01-24 Mark Mitchell <mark@codesourcery.com>
7569 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
7570 mangling of va_list in system headers.
7572 2010-01-23 Toon Moene <toon@moene.org>
7574 * tree-predcom.c (combine_chains): Return NULL, not false.
7576 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
7578 * tree-loop-distribution.c (distribute_loop): Fix declaration and
7579 initialization of variable res to agree with return type.
7581 2010-01-22 Steve Ellcey <sje@cup.hp.com>
7583 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
7584 * tree-sra.c: Add include of expr.h.
7586 2010-01-22 Jakub Jelinek <jakub@redhat.com>
7588 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
7589 insert the debug stmt on the single non-EH edge from the stmt.
7591 2010-01-22 Richard Henderson <rth@redhat.com>
7594 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
7595 the RHS until after generate_subtree_copies has insertted its
7596 code before the current statement.
7598 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
7600 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
7602 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
7604 2010-01-21 Martin Jambor <mjambor@suse.cz>
7606 PR tree-optimization/42585
7607 * tree-sra.c (struct access): New field grp_total_scalarization.
7608 (dump_access): Dump the new field.
7609 (should_scalarize_away_bitmap): New variable.
7610 (cannot_scalarize_away_bitmap): Likewise.
7611 (sra_initialize): Allocate new bitmaps.
7612 (sra_deinitialize): Free new bitmaps.
7613 (create_access_1): New function.
7614 (create_access): Parts moved to create_access_1.
7615 (type_consists_of_records_p): New function.
7616 (completely_scalarize_record): Likewise.
7617 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
7618 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
7619 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
7621 (analyze_all_variable_accesses): Completely scalarize small eligible
7624 2010-01-21 Martin Jambor <mjambor@suse.cz>
7626 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
7628 2010-01-21 Andrew Haley <aph@redhat.com>
7630 * gcc.c (process_command): Move lang_specific_driver before
7631 setting cc_libexec_prefix.
7633 2010-01-21 Richard Guenther <rguenther@suse.de>
7636 * fold-const.c (negate_expr_p): Pretend only negative
7637 real constants are easily negatable.
7639 2010-01-20 Janis Johnson <janis187@us.ibm.com>
7640 Jason Merrill <jason@redhat.com>
7642 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
7643 (TYPE_TRANSPARENT_AGGR): this, for union and record.
7644 * calls.c (initialize argument_information): Handle it.
7645 * c-common.c (handle_transparent_union_attribute): Use new name.
7646 * c-decl.c (finish_struct): Ditto.
7647 * c-typeck.c (type_lists_compatible_p): Ditto.
7648 (convert_for_assignment): Use new name and also handle record.
7649 * function.c (aggregate_value_p): Handle it.
7650 (pass_by_reference): Ditto.
7651 (assign_parm_data_types): Ditto.
7652 * print-tree.c (print_node): Ditto.
7653 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
7654 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
7655 * tree.c (first_field): New fn.
7657 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
7660 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
7661 even when linking statically, for now.
7663 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
7666 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
7667 without a cselib val.
7668 (count_uses): Accept MO_VAL_SET with no val on stores.
7669 (add_stores): Likewise.
7671 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7673 * var-tracking.c (check_value_val): Add a compile time assertion.
7674 (dv_is_decl_p): Simplify.
7675 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
7676 gcc_assert if ENABLE_CHECKING.
7678 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
7681 * var-tracking.c: Include tree-flow.h.
7682 (mem_dies_at_call): New.
7683 (dataflow_set_preserve_mem_locs): Use it.
7684 (dataflow_set_remove_mem_locs): Likewise.
7685 (dump_var): Renamed from dump_variable. Adjust all callers.
7686 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
7687 * Makefile.in (var-tracking.o): Adjust deps.
7689 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
7691 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
7693 2010-01-20 Richard Guenther <rguenther@suse.de>
7695 PR tree-optimization/42717
7696 * tree-ssa-dce.c (get_live_post_dom): Remove.
7697 (forward_edge_to_pdom): Take an arbitrary edge to copy
7698 degenerate PHI args from.
7699 (remove_dead_stmt): Use the first post-dominator even if it
7700 does not contain live statements as redirection destination.
7702 2010-01-20 Richard Guenther <rguenther@suse.de>
7704 * tree-inline.c (estimate_num_insns): Handle EH builtins.
7706 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7708 * sel-sched.c (create_speculation_check): Remove set but not used
7710 (try_transformation_cache): Remove set but not used variable ds.
7711 (calculate_privileged_insns): Remove set but not used variables
7712 cur_insn and min_spec_insn.
7713 (find_best_expr): Remove set but not used variable avail_n.
7714 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
7716 * cgraphunit.c (assemble_thunk): Remove set but not used variable
7718 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
7719 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
7722 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
7725 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
7726 cpu types. Add support for *-sse3 cpu types.
7727 (x86_64-*-*): Ditto.
7729 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7732 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
7733 argument, call initializer_constant_valid_p_1 instead of
7734 initializer_constant_valid_p, pass CACHE to it, return NULL
7735 immediately if first call returns NULL.
7736 (initializer_constant_valid_p_1): New function.
7737 (initializer_constant_valid_p): Use it.
7739 2010-01-20 Thomas Quinot <quinot@adacore.com>
7741 * tree.def (PLACEHOLDER_EXPR): Fix comment.
7743 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7745 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
7746 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
7747 (loc_list_from_tree): Don't handle unsigned division. Handle
7748 signed modulo using DW_OP_{over,over,div,mul,minus}.
7749 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
7750 modulo instead of signed.
7752 2010-01-20 DJ Delorie <dj@redhat.com>
7754 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
7756 (h8300_emit_stack_adjustment): Propogate it.
7758 (h8300_expand_prologue): Likewise.
7759 (h8300_expand_epilogue): Likewise.
7761 2010-01-19 Michael Matz <matz@suse.de>
7763 PR tree-optimization/41783
7764 * tree-data-ref.c (toplevel): Include flags.h.
7765 (dump_data_dependence_relation): Also dump the inputs if the
7766 result will be unknown.
7767 (split_constant_offset_1): Look through some conversions.
7768 * tree-predcom.c (determine_roots_comp): Restart a new chain if
7769 the offset from last element is too large.
7770 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
7771 (reassociate_to_the_same_stmt): Handle vector registers.
7772 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
7774 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
7775 wide_prolog_niters argument, emit widening instructions.
7776 (vect_do_peeling_for_alignment): Adjust caller, use widened
7777 variant of the iteration cound.
7778 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
7780 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
7783 * config/arm/neon-testgen.m (emit_automatics): New parameter
7784 features. Adjust for Fixed_return_reg feature.
7785 (test_intrinsic): Call emit_automatics with new feature.
7786 * config/arm/neon.ml: Update copyright years.
7787 (features): New Fixed_return_reg feature.
7788 (ops): Update feature for Vget_low.
7790 2010-01-19 Jakub Jelinek <jakub@redhat.com>
7792 PR tree-optimization/42719
7793 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
7797 * fwprop.c (all_uses_available_at): Return false if def_set dest
7798 is a REG that is used in def_insn.
7800 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
7802 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
7804 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
7807 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
7809 * target.h (struct gcc_target) <secondary_reload>: Change type
7810 of last argument to secondary_reload_info *.
7812 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
7815 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
7816 memory references with unaligned offsets. Remove CQImode handling.
7817 (unaligned_memory_operand): Return 1 for memory references with
7818 unaligned offsets. Remove CQImode handling.
7820 2010-01-18 Richard Guenther <rguenther@suse.de>
7823 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
7826 2010-01-18 Richard Guenther <rguenther@suse.de>
7828 PR tree-optimization/42781
7829 * tree-ssa-structalias.c (find_what_var_points_to): Skip
7830 restrict processing only if the original variable was artificial.
7832 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
7834 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
7835 find number of popped argument bytes.
7837 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
7838 Fix the text that describes the return value for invalid insns.
7840 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
7842 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
7843 Clarify what 'cost of the -dependence' is. Fix quoting.
7845 * toplev.c (default_get_pch_validity): Rename argument to "sz".
7846 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
7848 2010-01-17 Jakub Jelinek <jakub@redhat.com>
7850 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
7851 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
7853 2010-01-17 Richard Guenther <rguenther@suse.de>
7856 * function.c (split_complex_args): Take a VEC to modify.
7857 (assign_parms_augmented_arg_list): Build a VEC instead of
7858 a chain of PARM_DECLs.
7859 (assign_parms_unsplit_complex): Take a VEC of arguments.
7860 Do not fixup unmodified parms.
7861 (assign_parms): Deal with the VEC.
7862 (gimplify_parameters): Likewise.
7864 2010-01-17 Richard Guenther <rguenther@suse.de>
7866 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
7867 node existence check.
7868 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
7869 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
7870 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
7871 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
7872 (gimple_execute_on_growing_pred): Likewise.
7874 2010-01-17 Richard Guenther <rguenther@suse.de>
7876 PR tree-optimization/42773
7877 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
7878 (compute_antic_aux): Likewise.
7879 (compute_partial_antic_aux): Likewise.
7881 2010-01-17 Jie Zhang <jie.zhang@analog.com>
7884 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
7887 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
7889 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
7892 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
7893 Fix markup for strict argument.
7895 (TARGET_SCHED_REORDER2): Fix argument types.
7897 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
7898 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
7900 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
7901 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
7903 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
7906 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
7907 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
7908 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
7909 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
7910 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
7912 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
7914 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
7916 (TARGET_ASM_RELOC_RW_MASK): Add return type.
7917 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
7919 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
7921 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
7924 (TARGET_ASM_NAMED_SECTION): Fix argument list.
7926 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
7927 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
7929 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
7931 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
7933 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
7934 referring to it. Fix language.
7936 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
7938 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
7940 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
7942 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
7944 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
7945 '@var{stream}. Remove stray 'and'.
7947 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
7949 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
7951 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
7953 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
7954 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
7956 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
7957 Fix description of return value.
7958 Rename argument "sz" to "len."
7960 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
7961 Clarify meaning of 'true' return value.
7963 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
7965 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
7966 rep_mode versus mode_rep.
7968 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
7970 (TARGET_BUILTIN_DECL): Fix name.
7972 (TARGET_COMMUTATIVE_P): Fix type of first argument.
7974 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
7976 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
7978 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
7980 (TARGET_RELAXED_ORDERING): Use @deftypevr.
7982 (TARGET_GET_DRAP_RTX): Note that this is a hook.
7985 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
7986 Rename argument tm_fn to md_fn.
7988 (TARGET_OPTION_PRINT): Fix argument list.
7990 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
7993 * config/i386/i386.c (ix86_fixup_binary_operands):
7994 Revert FMA4 fixup of operands.
7996 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7999 * Makefile.in (write_entries_to_file, install-plugin):
8000 Use \012 instead of \n with tr.
8002 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
8004 * configure.ac (HAVE_AS_REF): New C macro.
8005 * configure: Regenerate.
8006 * config.in: Likewise.
8007 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
8009 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
8012 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
8014 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
8016 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
8018 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
8020 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
8022 (TARGET_IN_SMALL_DATA_P): Fix argument type.
8024 (TARGET_BINDS_LOCAL_P): Fix argument type.
8026 (TARGET_ASM_FILE_END): Use prototype.
8028 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
8030 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
8032 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
8034 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
8036 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
8037 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
8039 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
8040 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
8042 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
8043 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
8044 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
8045 (TARGET_ADDR_SPACE_CONVERT): Likewise.
8047 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
8049 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
8051 (TARGET_INIT_BUILTINS): Use prototype.
8053 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
8054 Put 'const char *' in braces. Fix parameter types.
8055 (TARGET_INVALID_CONVERSION): Fix parameter types.
8056 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
8057 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
8059 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
8062 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
8064 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
8066 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
8068 * doc/tm.texi (TARGET_HELP): Fix return type.
8070 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
8071 in braces. Fix argument types.
8073 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
8075 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
8077 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
8079 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
8080 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
8082 (TARGET_MANGLE_TYPE): Fix argument types.
8084 (TARGET_IRA_COVER_CLASSES): Use prototype.
8086 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
8088 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
8090 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
8092 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
8094 (TARGET_CALLEE_COPIES): Fix argument types.
8096 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
8098 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
8100 (TARGET_FUNCTION_VALUE): Fix argument types.
8102 (TARGET_RETURN_IN_MSB): Fix argument type.
8104 (TARGET_RETURN_IN_MEMORY): Fix argument types.
8106 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
8108 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
8110 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
8111 agree with return type.
8113 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
8115 2010-01-15 Jing Yu <jingyu@google.com>
8117 PR rtl-optimization/42691
8118 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
8119 a pseudo to a constant and are merged, and adjust comments.
8121 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
8123 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
8125 2010-01-15 Richard Guenther <rguenther@suse.de>
8128 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
8129 labels of computed or non-local gotos to the destination.
8130 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
8131 landing pad label is the first label.
8133 2010-01-15 Richard Guenther <rguenther@suse.de>
8135 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
8137 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
8140 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
8141 to allow generation of the xssqrtdp instruction on power7.
8142 (sqrtdf2_fpr): Ditto.
8144 2010-01-14 Jakub Jelinek <jakub@redhat.com>
8147 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
8148 functions with noreturn attribute.
8151 * varasm.c (declare_weak): Add weak attribute to decl if it
8152 doesn't have one already.
8153 (assemble_external): Only add decls to weak_decls if they also
8154 have weak attribute.
8156 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
8158 * var-tracking.c (var_reg_delete): Don't delete the association
8159 between REGs and values or one-part variables if the register
8162 2010-01-14 Jakub Jelinek <jakub@redhat.com>
8165 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
8166 because its first operand is a non-localized variable.
8168 2010-01-14 Martin Jambor <mjambor@suse.cz>
8170 PR tree-optimization/42706
8171 * tree-sra.c (encountered_recursive_call): New variable.
8172 (encountered_unchangable_recursive_call): Likewise.
8173 (sra_initialize): Initialize both new variables.
8174 (callsite_has_enough_arguments_p): New function.
8175 (scan_function): Call decl and flags check only for IPA-SRA, check
8176 whether there is a recursive call and whether it has enough arguments.
8177 (all_callers_have_enough_arguments_p): New function.
8178 (convert_callers): Look for recursive calls only when
8179 encountered_recursive_call is set.
8180 (ipa_early_sra): Bail out either if
8181 !all_callers_have_enough_arguments_p or
8182 encountered_unchangable_recursive_call.
8184 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8186 * sel-sched.c: Add 2010 to copyright years.
8187 * sel-sched-ir.c: Likewise.
8188 * sel-sched-ir.h: Likewise.
8190 2010-01-14 Martin Jambor <mjambor@suse.cz>
8192 PR tree-optimization/42714
8193 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
8194 constructors specially.
8196 2010-01-14 Andi Kleen <ak@linux.intel.com>
8198 * config/i386/drivers-i386.c (detect_caches_intel):
8199 Add l2sizekb parameter and fill in.
8200 (host_detect_local_cpu): Add l2sizekb, fill in.
8201 Add Atom small cache heuristic.
8203 2010-01-14 Andi Kleen <ak@linux.intel.com>
8205 * config/i386/drivers-i386.c (detect_caches_cpuid4):
8206 Add level3 parameter and fill in.
8207 (detect_caches_intel): Handle level3 cache.
8209 2010-01-14 Andi Kleen <ak@linux.intel.com>
8211 * config/i386/drivers-i386.c (host_detect_local_cpu):
8212 Fix core duo detection.
8214 2010-01-14 Andi Kleen <ak@linux.intel.com>
8216 * config/i386/drivers-i386.c (host_detect_local_cpu):
8219 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8221 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
8222 (rs6000_variable_issue_1): this. Use...
8223 (rs6000_variable_issue): here. Reimplement. Print debug info.
8225 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8227 * sel-sched-ir.c (sel_restore_other_notes): Rename to
8228 sel_restore_notes. Update all callers. Call reemit_notes
8231 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8233 PR rtl-optimization/42246
8234 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
8237 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8239 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
8240 all successors is the same as number of successors in current region.
8242 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8244 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
8245 to rename is not separable. Otherwise check that its LHS is not NULL.
8247 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8249 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
8251 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8253 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
8254 available registers when failed to discover LHS register class.
8255 Fix indentation. Update comment.
8257 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8258 Alexander Monakov <amonakov@ispras.ru>
8260 PR rtl-optimization/42389
8261 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
8263 (advance_state_on_fence): Likewise.
8264 (sel_target_adjust_priority): Print debug output only when
8265 sched_verbose >= 4, not 2.
8266 (get_expr_cost): Do not issue all unique insns on the next cycle.
8267 (fill_insns): Initialize can_issue_more from the value saved
8269 * sel-sched-ir.c (flist_add): New parameter issue_more.
8270 Init FENCE_ISSUE_MORE with it.
8271 (merge_fences): Likewise.
8272 (init_fences): Update call to flist_add.
8273 (add_to_fences, add_clean_fence_to_fences)
8274 (add_dirty_fence_to_fences): Likewise.
8275 (move_fence_to_fences): Update call to merge_fences.
8276 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
8278 * sel-sched-ir.h (struct _fence): New field issue_more.
8279 (FENCE_ISSUE_MORE): New accessor macro.
8281 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8283 PR rtl-optimization/42388
8284 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
8285 that have no predecessors nor successors. Do not call move_bb_info
8286 for empty blocks outside of current region.
8288 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8290 PR rtl-optimization/42294
8291 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
8292 * sel-sched.c (move_exprs_to_boundary): Transitively add all
8293 originators' originators.
8295 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8297 PR rtl-optimization/39453
8298 PR rtl-optimization/42246
8299 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
8301 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
8303 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8304 Alexander Monakov <amonakov@ispras.ru>
8307 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
8308 (maybe_tidy_empty_bb): ... here. Make static. Add new
8309 argument. Update all callers.
8310 (tidy_control_flow): ... and here. Recompute topological order
8311 of basic blocks in region if necessary.
8312 (sel_redirect_edge_and_branch): Change return type. Return true
8313 if topological order might have been invalidated.
8314 (purge_empty_blocks): Export and move from...
8315 * sel-sched.c (purge_empty_blocks): ... here.
8316 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
8317 (maybe_tidy_empty_bb): Delete prototype.
8318 (purge_empty_blocks): Declare.
8320 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8322 PR rtl-optimization/42249
8323 * sel-sched.c (try_replace_dest_reg): When chosen register
8324 and original register is the same, do not bail out early, but
8325 still check all original insns for validity of replacing destination
8326 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
8329 2010-01-14 Jakub Jelinek <jakub@redhat.com>
8332 Port from no-undefined-overflow branch:
8333 2009-03-09 Richard Guenther <rguenther@suse.de>
8335 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
8337 2010-01-14 Richard Guenther <rguenther@suse.de>
8340 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
8342 2010-01-14 Ira Rosen <irar@il.ibm.com>
8344 PR tree-optimization/42709
8345 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
8346 as scalar type in creation of constant vector operand.
8348 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
8351 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
8352 (check-parallel-%): Match `testsuite' directory component only
8355 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
8357 PR translation/39521
8358 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
8361 2010-01-13 Richard Guenther <rguenther@suse.de>
8363 PR tree-optimization/42730
8364 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
8367 2010-01-13 Steve Ellcey <sje@cup.hp.com>
8370 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
8371 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
8374 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
8376 * config/bfin/libgcc-bfin.ver: Regenerate based on current
8377 libgcc-std.ver. Add entries for ___smulsi3_highpart and
8378 ___umulsi3_highpart.
8380 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
8381 rather than schedule_insns if the pass is enabled.
8383 2010-01-13 Martin Jambor <mjambor@suse.cz>
8385 PR tree-optimization/42704
8386 * tree-sra.c (sra_modify_assign): Do not delete assignments to
8389 2010-01-13 Martin Jambor <mjambor@suse.cz>
8391 PR tree-optimization/42703
8392 * tree-sra.c (analyze_access_subtree): Check that we can build a
8393 reference to the original data within the aggregate.
8395 2010-01-13 Richard Guenther <rguenther@suse.de>
8397 PR tree-optimization/42705
8398 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
8400 2010-01-13 Richard Guenther <rguenther@suse.de>
8403 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
8405 2010-01-13 Jakub Jelinek <jakub@redhat.com>
8408 * var-tracking.c (values_to_unmark): New variable.
8409 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
8410 values_to_unmark vector. Moved body to...
8411 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
8412 instead queue it into values_to_unmark vector.
8413 (vt_find_locations): Free values_to_unmark vector.
8415 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
8417 * config/s390/s390.c (override_options): Set
8418 default of max-pending-list-length to 256
8420 2010-01-13 Richard Guenther <rguenther@suse.de>
8423 * tree-pass.h (PROP_gimple_lcx): New.
8424 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
8425 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
8426 before the final cleanup_eh.
8427 (dump_properties): Dump PROP_gimple_lcx.
8428 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
8429 (tree_lower_complex_O0): Remove.
8430 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
8431 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
8432 tree_lower_complex, schedule TODO_update_ssa.
8433 * lto-streamer-out.c (output_function): Stream the functions
8435 * lto-streamer-in.c (input_function): Likewise.
8436 (lto_read_body): Do not override them here.
8438 2010-01-12 Joseph Myers <joseph@codesourcery.com>
8441 * c-typeck.c (build_c_cast): Fold value cast to union type before
8442 wrapping it in a CONSTRUCTOR.
8444 2010-01-12 Jakub Jelinek <jakub@redhat.com>
8446 PR rtl-optimization/42699
8447 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
8450 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8452 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
8453 SUBTARGET_WARN_UNUSED_SPEC): Move ...
8454 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
8455 SUBTARGET_WARN_UNUSED_SPEC): ... here
8456 * config/mips/iris5.h (LIBGCC_SPEC): Define.
8458 2010-01-12 Julian Brown <julian@codesourcery.com>
8460 * config/arm/neon-schedgen.ml (Utils): Don't try to
8461 open missing module.
8462 (find_with_result): New.
8464 2010-01-12 Jakub Jelinek <jakub@redhat.com>
8467 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
8468 sharing when canonicalizing ({lt,ge}u (plus a b) b).
8470 PR tree-optimization/42645
8471 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
8472 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
8473 decl_map, set processing_debug_stmt to -1 and return name without
8476 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
8478 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
8479 binutils version, and reword target configuration description.
8481 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
8483 * config/avr/avr.h (LINKER_NAME): Remove.
8485 2010-01-11 Janis Johnson <janis187@us.ibm.com>
8488 * config/rs6000/rs6000.c (rs6000_override_options): On targets
8489 that support VSX, warn for -mno-altivec if vsx is not disabled,
8492 2010-01-11 Joseph Myers <joseph@codesourcery.com>
8493 Shujing Zhao <pearly.zhao@oracle.com>
8495 PR translation/42469
8496 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
8497 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
8498 character between option name and help text.
8499 * c.opt (imultilib): Likewise.
8501 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
8503 * lto-streamer-out.c (output_unreferenced_globals): Output static
8506 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
8508 PR rtl-optimization/42621
8509 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
8510 optimizing for size.
8511 (duplicate_computed_gotos): Remove now-redundant check.
8513 2010-01-10 Steve Ellcey <sje@cup.hp.com>
8516 * configure.ac: Save and restore LDFLAGS and LIBS
8517 * configure: Regenerate.
8519 2010-01-10 Richard Guenther <rguenther@suse.de>
8522 * builtins.c (fold_builtin_strlen): Add type argument and
8523 convert the resulting length to it.
8524 (fold_builtin_1): Adjust.
8526 2010-01-09 Jakub Jelinek <jakub@redhat.com>
8528 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
8529 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
8531 (num_insns_constant_wide): Adjust for that change.
8533 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8536 * web.c (union_defs): Add used argument, to combine uses of
8538 (entry_register): Adjust type and tests of used argument.
8539 (web_main): Widen used for new use. Pass it to union_defs.
8540 * df.h (union_defs): Adjust prototype.
8542 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8545 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
8546 uses in new incoming argument. Free body.
8547 (reset_debug_uses_in_loop): New.
8548 (analyze_insn_to_expand_var): Call the latter if the former found
8549 anything. Fix whitespace. Reject invalid dest overlaps before
8550 going through all insns in the loop.
8552 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8555 * haifa-sched.c (dying_use_p): Debug insns don't count.
8557 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8560 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
8561 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
8562 (verify_gimple_call): Reject LHS in noreturn calls.
8564 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8568 * tree-vect-loop-manip.c (adjust_info): New type.
8569 (adjust_vec): New pointer to vector.
8570 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
8571 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
8572 (slpeel_update_phis_for_duplicate_loop): Use them.
8573 (slpeel_update_phi_nodes_for_guard1): Likewise.
8574 (slpeel_update_phi_nodes_for_guard2): Likewise.
8575 (slpeel_tree_peel_loop_to_edge): Likewise.
8576 (vect_update_ivs_after_vectorizer): Likewise.
8578 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8580 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
8581 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
8583 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8585 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
8586 bogus uninitialized warning.
8588 2010-01-09 Richard Guenther <rguenther@suse.de>
8591 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
8592 the evolution is compatible with the initial condition.
8594 2010-01-09 Jakub Jelinek <jakub@redhat.com>
8596 * gcc.c (process_command): Update copyright notice dates.
8597 * gcov.c (print_version): Likewise.
8598 * gcov-dump.c (print_version): Likewise.
8599 * mips-tfile.c (main): Likewise.
8600 * mips-tdump.c (main): Likewise.
8602 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
8605 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
8607 (rotlhi3_8): Delete.
8609 (rotlsi3_8): Delete.
8610 (rotlsi3_16): Delete.
8611 (rotlsi3_24): Delete.
8613 (*rotw<mode>3): New.
8614 (*rotb<mode>3): New.
8615 * config/avr/avr.c (avr_rotate_bytes): New function.
8616 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
8618 2010-01-08 Steve Ellcey <sje@cup.hp.com>
8621 * configure.ac: Modify -rdynamic check.
8622 * configure: Regenerate.
8624 2010-01-08 DJ Delorie <dj@redhat.com>
8626 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
8627 register popping order.
8629 2010-01-08 Richard Guenther <rguenther@suse.de>
8632 * c.opt (fsigned-char): Also let LTO handle this option.
8633 (funsigned-char): Likewise.
8635 2010-01-07 Richard Guenther <rguenther@suse.de>
8637 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
8638 (gimple_op): Likewise.
8639 (gimple_op_ptr): Likewise.
8640 (gimple_assign_set_lhs): Remove gcc_assert.
8641 (gimple_assign_set_rhs1): Likewise.
8642 (gimple_assign_set_rhs2): Likewise.
8643 (gimple_call_set_lhs): Likewise.
8644 (gimple_call_set_fn): Likewise.
8645 (gimple_call_set_fndecl): Likewise.
8646 (gimple_call_fndecl): Likewise.
8647 (gimple_call_return_type): Likewise.
8648 (gimple_call_set_chain): Likewise.
8649 (gimple_call_num_args): Likewise.
8650 (gimple_call_set_arg): Likewise.
8651 (gimple_cond_set_code): Likewise.
8652 (gimple_cond_set_lhs): Likewise.
8653 (gimple_cond_set_rhs): Likewise.
8654 (gimple_cond_set_true_label): Likewise.
8655 (gimple_cond_set_false_label): Likewise.
8656 (gimple_label_set_label): Likewise.
8657 (gimple_goto_set_dest): Likewise.
8658 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
8659 (gimple_debug_bind_get_value): Likewise.
8660 (gimple_debug_bind_get_value_ptr): Likewise.
8661 (gimple_debug_bind_set_var): Likewise.
8662 (gimple_debug_bind_set_value): Likewise.
8663 (gimple_debug_bind_reset_value): Likewise.
8664 (gimple_debug_bind_has_value_p): Likewise.
8665 (gimple_return_retval_ptr): Remove gcc_assert.
8666 (gimple_return_retval): Likewise.
8667 (gimple_return_set_retval): Likewise.
8668 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
8669 (safe_referenced_var_iterator): Remove.
8670 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
8671 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
8672 (fill_referenced_var_vec): Remove.
8673 (first_readonly_imm_use): Remove redundant gcc_assert.
8674 (phi_arg_index_from_use): Combine gcc_asserts.
8675 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
8676 (first_imm_use_stmt): Remove redundant gcc_assert.
8677 * tree-cfg.c (verify_gimple_call): Verify function and chain
8678 operands. Verify arguments.
8679 (verify_types_in_gimple_stmt): Verify condition code and labels.
8681 2010-01-07 Richard Guenther <rguenther@suse.de>
8683 PR tree-optimization/42641
8684 * sese.c (rename_map_elt_info): Use the SSA name version, do
8687 2010-01-07 Jakub Jelinek <jakub@redhat.com>
8689 PR tree-optimization/42625
8690 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
8691 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
8693 2010-01-07 Duncan Sands <baldrick@free.fr>
8695 * Makefile.in (PLUGIN_HEADERS): Add version.h.
8697 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
8700 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
8701 note itself is not function_invariant_p.
8703 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
8705 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
8706 Do not add the DF_NOTE problem.
8707 * store-motion.c (execute_rtl_store_motion): Likewise.
8709 2010-01-07 Martin Jambor <mjambor@suse.cz>
8711 PR tree-optimization/42157
8712 * tree-sra.c (compare_access_positions): Stabilize sort if both
8713 accesses have integer types, return zero immediately if they are the
8716 2010-01-06 Richard Henderson <rth@redhat.com>
8719 * haifa-sched.c (add_to_note_list): Merge into ...
8720 (concat_note_lists): ... here, and ...
8721 (unlink_other_notes, rm_other_notes): Merge into...
8722 (remove_notes): ... here. Create REG_SAVE_NOTEs for
8723 NOTE_INSN_EPILOGUE_BEG.
8725 2010-01-06 Richard Guenther <rguenther@suse.de>
8727 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
8728 not inline regular functions into always-inline functions.
8730 2010-01-06 Nick Clifton <nickc@redhat.com>
8732 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
8733 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
8735 (OVERRIDE_OPTIONS): Delete.
8736 (OPTIMIZATION_OPTIONS): Define.
8737 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
8738 * config/rx/rx.c (rx_handle_option): Issue an error message if
8739 -mcpu=rx200 and -fpu are used together.
8740 (rx_set_optimization_options): New function. Issue an error
8741 message if an optimization attribute attempts to reset the FPU/
8742 math optimization pairing.
8743 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
8744 * config/rx/rx.opt: Set the default to 32-bit doubles.
8745 * config/rx/t-rx: Add multilibs for -nofpu option.
8746 * doc/invoke.texi: Update documentation of RX options.
8748 2010-01-06 Richard Guenther <rguenther@suse.de>
8750 * tree-ssa-pre.c (name_to_id): New global.
8751 (alloc_expression_id): Simplify SSA name handling.
8752 (lookup_expression_id): Likewise.
8753 (init_pre): Zero name_to_id.
8754 (fini_pre): Free it.
8756 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
8758 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
8760 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
8763 * config/i386/sse.md (smaxv2di3): New.
8764 (umaxv2di3): Likewise.
8765 (sminv2di3): Likewise.
8766 (uminv2di3): Likewise.
8768 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
8771 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
8772 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
8773 (legitimize_tls_address): Likewise.
8774 (sparc_tls_referenced_p): Likewise.
8775 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
8776 and adjust calls to legitimize_pic_address.
8777 (legitimate_constant_p) Use sparc_tls_referenced_p.
8778 (legitimate_pic_operand_p): Likewise.
8779 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
8780 (sparc_tls_symbol_ref_1): Delete.
8781 (sparc_tls_referenced_p): Make static, recognize specific patterns.
8782 (legitimize_tls_address): Make static, handle CONST patterns.
8783 (legitimize_pic_address): Make static, remove unused parameter and
8784 adjust recursive calls.
8785 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
8786 and adjust call to legitimize_pic_address.
8787 (sparc_output_mi_thunk): Likewise.
8789 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
8790 H.J. Lu <hongjiu.lu@intel.com>
8793 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
8794 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
8795 operands to make them signed.
8798 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
8801 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
8802 GTU to GT for V4SI and V2DI.
8804 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
8805 (umin<mode>3): Removed.
8807 (uminv4si3): Likewise.
8809 2010-01-05 Martin Jambor <mjambor@suse.cz>
8811 PR tree-optimization/42462
8812 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
8813 current_function_decl to helper functions and macros.
8815 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8818 * flags.h: Don't include real.h.
8819 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
8820 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
8821 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
8822 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
8823 * dominance.c: Update copyright.
8824 * gimple.c (walk_gimple_op): Remove inline.
8825 * tree-ssa-reassoc.c: Include real.h.
8826 * Makefile.in (FLAGS_H): Remove $(REAL_H).
8827 (tree-ssa-reassoc.o): Depend on $(REAL_H).
8829 2010-01-05 Nick Clifton <nickc@redhat.com>
8831 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
8832 register to push into the stack frame when the accumulator has to
8833 be saved during interrupts.
8835 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
8837 * doc/invoke.texi: Remove the documentation about option
8839 * common.opt (Wunreachable-code): Preserved for backward
8841 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
8842 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
8843 the backward compatibility flag section.
8845 2010-01-05 Richard Guenther <rguenther@suse.de>
8847 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
8849 2010-01-05 Jakub Jelinek <jakub@redhat.com>
8852 * cfgexpand.c (expand_one_var): Diagnose too large variables.
8854 PR tree-optimization/42508
8855 * tree-sra.c (convert_callers): Check for recursive call
8856 by comparing cgraph nodes instead of decls.
8857 (modify_function): Call ipa_modify_formal_parameters also
8858 on all same_body aliases.
8860 * cgraphunit.c (cgraph_materialize_all_clones): Compare
8861 cgraph nodes when checking for same_body aliases.
8863 2010-01-05 Richard Guenther <rguenther@suse.de>
8865 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
8866 allocation and lookup.
8867 (get_or_alloc_expr_for_constant): Likewise.
8868 (phi_translate): Sink allocation.
8870 2010-01-04 Richard Guenther <rguenther@suse.de>
8872 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
8873 a new entry only if needed.
8874 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
8875 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
8877 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
8879 (phi_translate): Handle CONSTANTs early.
8881 2010-01-04 Martin Jambor <mjambor@suse.cz>
8883 PR tree-optimization/42398
8884 * tree-sra.c (struct access): Removed flag grp_different_types.
8885 (dump_access): Do not dump the removed flag.
8886 (sort_and_splice_var_accesses): Do not set the removed flag.
8887 (sra_modify_expr): Check for type compatibility directly.
8889 2010-01-04 Martin Jambor <mjambor@suse.cz>
8891 PR tree-optimization/42366
8892 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
8893 edges with variable number of parameters.
8894 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
8895 flag instead of asserting it.
8896 (ipa_read_node_info): Read uses_analysis_done flag.
8898 2010-01-04 Richard Guenther <rguenther@suse.de>
8900 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
8901 iterative_hash_* as intended.
8902 (vn_reference_compute_hash): Likewise. Simplify hashing
8904 (vn_reference_lookup_2): Likewise.
8905 (vn_nary_op_compute_hash): Likewise.
8906 (vn_phi_compute_hash): Likewise.
8907 (expressions_equal_p): Remove strange code.
8908 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
8909 (pre_expr_hash): Likewise. Simplify hashing SSA names.
8910 (bitmap_insert_into_set_1): Take value-id as parameter.
8911 (add_to_value): Pass it.
8912 (bitmap_insert_into_set): Likewise.
8913 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
8915 2010-01-04 Jakub Jelinek <jakub@redhat.com>
8918 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
8919 (do_self_spec): For switches with SWITCH_IGNORE set set also
8920 SWITCH_IGNORE_PERMANENTLY.
8921 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
8924 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
8926 * lto-streamer-out.c (output_unreferenced_globals): Output the full
8927 tree of an unreferenced global var.
8929 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
8932 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
8933 GTU to GT for V4SI and V2DI.
8935 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
8936 (umin<mode>3): Removed.
8938 (uminv4si3): Likewise.
8940 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
8943 * collect2.c (main): Turn on trace in collect2 if -v is passed
8946 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
8948 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
8949 description of expression operand.
8951 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
8953 * configure.ac: Add install-html to target_list for Make-hooks.
8954 * configure: Regenerate.
8955 * fortran/Make-lang.in (F95_HTMLFILES): New.
8956 (fortran.html): Use it.
8957 (fortran.install-html): New.
8958 * Makefile.in (install-html): Add lang.install-html.
8959 * java/Make-lang.in (JAVA_HTMLFILES): New.
8960 (java.html): Use it.
8961 (java.install-html): New.
8962 * objc/Make-lang.in (objc.install-html): New.
8963 * objcp/Make-lang.in (obj-c++.install-html): New.
8964 * cp/Make-lang.in (c++.install-html): New.
8965 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
8966 * lto/Make-lang.in (lto.install-html): New.
8968 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
8971 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
8973 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
8975 PR rtl-optimization/41862
8976 * store-motion.c (store_killed_in_insn, compute_store_table,
8977 remove_reachable_equiv_notes, replace_store_insn,
8978 build_store_vectors): Ignore all DEBUG_INSNs.
8980 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
8983 * common.opt: Add dumpdir.
8985 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
8987 (option_map): Add --dumpdir.
8989 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
8991 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
8993 * opts.c (decode_options): Try dump_dir_name first if
8994 dump_base_name isn't an absolute path.
8995 (common_handle_option): Handle OPT_dumpdir.
8997 * toplev.c (dump_dir_name): New.
8998 (print_switch_values): Also ignore -dumpdir.
9000 * toplev.h (dump_dir_name): New.
9002 2010-01-03 Richard Guenther <rguenther@suse.de>
9004 PR tree-optimization/42589
9005 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
9006 double-word expansion of bswap32.
9008 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
9010 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
9011 with BLOCK_FOR_INSN.
9012 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
9013 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
9014 noce_process_if_block): Likewise.
9015 * gcse.c (compute_local_properties, insert_expr_in_table,
9016 insert_set_in_table, canon_list_insert, find_avail_set,
9017 pre_insert_copy_insn): Likewise.
9019 * basic-block.h (BLOCK_NUM): Move from here...
9020 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
9022 2010-01-03 Richard Guenther <rguenther@suse.de>
9024 PR tree-optimization/42438
9025 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
9026 contains_may_not_return_call flag.
9027 (BB_MAY_NOTRETURN): New.
9028 (valid_in_sets): Trapping nary operations are not valid
9029 in blocks that may not return.
9030 (insert_into_preds_of_block): Remove check for trapping expressions.
9031 (compute_avail): Compute also BB_MAY_NOTRETURN.
9033 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
9035 * doc/invoke.texi: Add 2010 to copyright years.
9037 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
9039 * config/sparc/sparc.c: Fix formatting nits.
9041 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
9042 Alexander Monakov <amonakov@ispras.ru>
9044 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
9046 2010-01-02 Richard Guenther <rguenther@suse.de>
9049 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
9050 (simplify_switch_using_ranges): Mark to be removed edges
9053 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9055 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
9057 * collect2.c (scan_libraries): Add missing argument in call to
9060 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
9063 * config/alpha/predicates.md (aligned_memory_operand): Return false
9065 (unaligned_memory_operand): Return true for CQImode.
9066 * config/alpha/alpha.c (get_aligned_mem): Assert that location
9067 doesn not cross aligned SImode word boundary.
9069 2010-01-02 Anatoly Sokolov <aesok@post.ru>
9071 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
9073 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
9074 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
9076 2010-01-02 Richard Guenther <rguenther@suse.de>
9079 * toplev.c (compile_file): Emit LTO marker properly. Change
9081 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
9083 2010-01-01 Richard Guenther <rguenther@suse.de>
9086 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
9088 2010-01-01 Richard Guenther <rguenther@suse.de>
9091 * c-decl.c (grokdeclarator): For zero-size arrays force
9092 structural equality checks as layout_type does.
9094 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
9096 * builtins.c: Update copyright to 2010.
9098 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
9101 * lto-streamer-out.c (produce_asm): Revert the last change.
9102 (copy_function): Likewise.
9104 * lto-streamer.c (lto_get_section_name): Skip any leading
9107 2010-01-01 Richard Guenther <rguenther@suse.de>
9110 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
9114 Copyright (C) 2010 Free Software Foundation, Inc.
9116 Copying and distribution of this file, with or without modification,
9117 are permitted in any medium without royalty provided the copyright
9118 notice and this notice are preserved.