1 2010-05-13 Jakub Jelinek <jakub@redhat.com>
4 * var-tracking.c (track_expr_p): Allow tracking of variables optimized
6 * Makefile.in (dwarf2out.o): Depend on $(TREE_FLOW_H).
7 * tree-sra.c (create_access_replacement): Call unshare_expr before
8 passing expr to SET_DECL_DEBUG_EXPR, and remove any SSA_NAMEs from
10 * dwarf2out.c: Include tree-flow.h.
11 (struct var_loc_node): Rename var_loc_note field to loc, add comment.
12 (size_of_loc_descr, output_loc_operands, output_loc_operands_raw):
13 Handle DW_OP_bit_piece.
14 (decl_piece_bitsize, decl_piece_varloc_ptr, decl_piece_node,
15 construct_piece_list, adjust_piece_list): New functions.
16 (add_var_loc_to_decl): Handle SRA optimized variables.
17 Adjust for var_loc_note to loc field renaming.
18 (dw_loc_list_1): For WANT_ADDRESS == 2 prefer DECL_MODE of decl
20 (new_loc_descr_op_bit_piece): New function.
21 (dw_sra_loc_expr): New function.
22 (dw_loc_list): Use it. Don't handle the last range after the
23 loop, handle it inside of the loop. Adjust for var_loc_note
24 to loc field renaming.
25 (add_location_or_const_value_attribute): Only special case
26 single entry loc lists if loc is NOTE_P. Adjust for
27 var_loc_note to loc field renaming.
28 (dwarf2out_var_location): Don't set newloc->var_loc_note
29 and newloc->next here.
31 2010-05-12 Jan Hubicka <jh@suse.cz>
33 * cgraph.c (cgraph_mark_address_taken_node): No longer imply needed flag.
34 * cgraph.h (cgraph_only_called_directly_p,
35 cgraph_can_remove_if_no_direct_calls_p): test address_taken flag.
36 (cgraph_can_remove_if_no_direct_calls_and_refs_p): New function.
37 * cgraphunit.c (cgraph_mark_functions_to_output): Test address_taken.
39 * ipa.c (cgraph_remove_unreachable_nodes): Use
40 cgraph_can_remove_if_no_direct_calls_and_refs_p; clear address_taken flags.
41 * tree-inline.c (copy_bb): Check address_taken flag.
42 * tree-profile.c (tree_gen_ic_func_profiler): Check address_taken and
43 externally_visible flag.
45 2010-05-12 Jason Merrill <jason@redhat.com>
49 * dbxout.c (dbxout_type): Remove NULLPTR_TYPE handling.
50 * sdbout.c (plain_type_1): Likewise.
51 * dwarf2out.c (is_base_type): Likewise.
52 (gen_type_die_with_usage): Likewise. Generate
53 DW_TAG_unspecified_type for any LANG_TYPE.
55 2010-05-12 Jan Hubicka <jh@suse.cz>
57 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Build
59 * cgraph.c (cgraph_create_indirect_edge): Take ecf_flags argument.
60 (cgraph_clone_edge): Update.
61 (cgraph_node_remove_callees): Remove indirect calls too.
62 * cgraph.h (cgraph_indirect_call_info): Add ecf_flags.
63 (cgraph_create_indirect_edge): Update prototype.
64 * ipa-reference.c (has_proper_scope_for_analysis): Rename to
65 is_proper_for_analysis.
66 (add_new_function, visited_nodes, function_insertion_hook_holder,
67 get_local_reference_vars_info, mark_address_taken, mark_address,
68 mark_load, mark_store, check_asm_memory_clobber, check_call,
69 scan_stmt_for_static_refs, scan_initializer_for_static_refs): Remove.
70 (ipa_init): Do not initialize visited_nodes;
71 function_insertion_hook_holder.
72 (analyze_variable): Rewrite.
73 (analyze_function): Rewrite.
74 (copy_local_bitmap): Remove.
75 (duplicate_node_dat): Do not duplicate local info.
76 (generate_summary): Simplify to only walk cgraph.
77 (write_node_summary_p, ipa_reference_write_summary,
78 ipa_reference_read_summary): Remove.
79 (propagate): Do not remove function insertion;
81 (pass_ipa_reference): NULLify summary handling fields.
82 * lto-cgraph.c (lto_output_edge): Output ecf_flags.
83 (input_edge): Input ecf_flags.
84 * ipa-prop.c (ipa_note_parm_call): Expect edge to be around.
85 (update_indirect_edges_after_inlining): Ignore edges with unknown
88 2010-05-12 Sriraman Tallam <tmsriram@google.com>
90 * implicit-zee.c: New file.
91 * tree-pass.h (pass_implicit_zee): Declare.
92 * passes.c (init_optimization_passes): Add zee pass.
93 * common.opt (fzee): New flag.
94 * timevar.def (TV_ZEE): Define.
95 * config/i386/i386.c (optimization_options): Turn on ZEE for level 2
97 * Makefile.in (implicit-zee.o): Add new build file.
99 2010-05-12 Kazu Hirata <kazu@codesourcery.com>
100 Nathan Froyd <froydnj@codesourcery.com>
102 * c-common.c (sync_resolve_params): Remove write-only variable.
104 2010-05-12 Anatoly Sokolov <aesok@post.ru>
106 * target.h (struct gcc_target): Add mode_dependent_address_p field.
107 * target-def.h (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
108 (TARGET_INITIALIZER): Use TARGET_MODE_DEPENDENT_ADDRESS_P.
109 * targhooks.c (default_mode_dependent_address_p): New function.
110 * targhooks.h (default_mode_dependent_address_p): Declare function.
111 * doc/tm.texi (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
112 (GO_IF_MODE_DEPENDENT_ADDRESS): Update.
113 * recog.c: (mode_dependent_address_p): Call mode_dependent_address_p
114 target hook. Change return type to bool.
115 * recog.h: (mode_dependent_address_p): Change return type to bool.
117 2010-05-12 Kazu Hirata <kazu@codesourcery.com>
118 Nathan Froyd <froydnj@codesourcery.com>
120 * tree-mudflap.c (build_function_type_0, build_function_type_1,
121 build_function_type_2, build_function_type_3): Remove.
122 (mudflap_init): Use build_function_type_list.
124 2010-05-12 Kazu Hirata <kazu@codesourcery.com>
125 Nathan Froyd <froydnj@codesourcery.com>
127 * coverage.c (build_fn_info_value): Call build_constructor instead of
128 build_constructor_from_list.
129 (build_ctr_info_value): Likewise.
130 (build_gcov_info): Likewise.
132 2010-05-12 Nathan Froyd <froydnj@codesourcery.com>
134 * tree.c (build_constructor): Compute TREE_CONSTANT for the
135 resultant constructor.
136 (build_constructor_single): Don't set TREE_CONSTANT.
137 (build_constructor_from_list): Don't compute TREE_CONSTANT.
139 2010-05-12 Jan Hubicka <jh@suse.cz>
141 * cgraph.h (struct varpool_node): Add aux.
142 * varasm.c (find_decl_and_mark_needed): Force output of varpool nodes.
143 * varpool.c (varpool_remove_node): Do not remove initializer.
144 (varpool_reset_queue): Export.
145 (varpool_finalize_decl): Volatile vars are forced to be output.
146 * lto-symtab.c (lto_varpool_replace_node): Clear out initializer of
148 * ipa.c (enqueue_cgraph_node, enqueue_varpool_node,
149 process_references, varpool_can_remove_if_no_refs): New functions.
150 (cgraph_remove_unreachable_nodes): Handle variables too.
152 2010-05-12 H.J. Lu <hongjiu.lu@intel.com>
155 * config/i386/sse.md (*avx_vmmaskcmp<mode>3): New.
157 2010-05-12 Jakub Jelinek <jakub@redhat.com>
160 * gimplify.c (enum omp_region_type): Add ORT_UNTIED_TASK,
161 change value of ORT_TASK.
162 (new_omp_context): Handle ORT_UNTIED_TASK like ORT_TASK.
163 (omp_notice_threadprivate_variable): New function.
164 (omp_notice_variable): Call it for threadprivate variables.
165 If enclosing ctx is a task, print enclosing task rather than
166 enclosing parallel. Handle ORT_UNTIED_TASK like ORT_TASK.
167 (gimplify_omp_task): Pass ORT_UNTIED_TASK instead of ORT_TASK
168 if task has untied clause.
171 * dwarf2out.c (base_type_die): Don't add name attribute here.
172 (modified_type_die): Instead of sizetype use
173 its underlying original type. If a DW_TAG_base_type doesn't
174 have name added, add __unknown__.
175 (dwarf2out_imported_module_or_decl_1): Don't call base_type_die,
176 always call force_type_die instead.
178 2010-05-12 Maxim Kuvyrkov <maxim@codesourcery.com>
180 * targhooks.c (default_stack_protect_guard): Avoid sharing RTL
181 for __stack_chk_guard.
183 2010-05-11 Jakub Jelinek <jakub@redhat.com>
185 * c-opts.c (c_common_parse_file): If start_end_main_source_file,
186 don't call start_source_file debug hook here...
187 (finish_options): ... but here, after outputting predefined and
188 command line defines and undefs.
191 * cfglayout.c (fixup_reorder_chain): Allow asm goto to have
193 * cfgcleanup.c (try_optimize_cfg): When in cfglayout mode
194 optimizing away empty bb with no successors, move over its
195 footer chain to fallthru predecessor.
196 * cfgrtl.c (patch_jump_insn): Update also REG_LABEL_OPERAND.
197 (rtl_split_edge): For asm goto call patch_jump_insn even if
198 splitting fallthru edge.
201 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use qnu_unique_object
202 even for DECL_ONE_ONLY DECL_ARTIFICIAL !TREE_READONLY decls.
203 * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Likewise.
204 * dwarf2asm.c (dw2_output_indirect_constant_1): Set TREE_READONLY
208 * c-parser.c (c_parser_expression): Mark LHS of a comma
209 expression as read if it is a decl, handled component or
210 COMPOUND_EXPR with that on the RHS.
211 * c-typeck.c (c_process_expr_stmt): Mark RHS of COMPOUND_EXPR
212 if it is a decl or handled component.
214 2010-05-11 Jan Hubicka <jh@suse.cz>
216 * lto-symtab.c (lto_symtab_free): New function.
217 * lto-streamer.h (lto_symtab_free): Declare.
219 2010-05-11 Jan Hubicka <jh@suse.cz>
221 * lto-cgraph.c (reachable_from_other_partition_p): Export; do not assume
222 that if function is needed it is reachable.
223 (lto_output_node): See if it the function is reachable or referenced.
224 (output_cgraph): Update call of lto_output_node.
225 * lto-streamer.h (reachable_from_other_partition_p): Declare.
227 2010-05-11 Jan Hubicka <jh@suse.cz>
229 * crtstuff.c (__JCR_LIST__, __DTOR_END__, __JCR_END__, __FRAME_END__):
232 2010-05-11 Jan Hubicka <jh@suse.cz>
234 PR tree-optimize/44063
235 * ipa-inline.c (cgraph_edge_badness): Move always inlines to top of queue.
236 (cgraph_decide_inlining_of_small_function): Skip check when disrgarding
238 (estimate_function_body_sizes): Compute sizes even when disregarding.
240 2010-05-11 Kai Tietz <kai.tietz@onevision.com>
242 * collect2.c (maybe_lto_object_file): Add x64-coff magic and check.
244 2010-05-11 Jan Hubicka <jh@suse.cz>
246 * lto-cgraph.c (output_cgraph): Remove loop adding all varpool nodes
249 2010-05-11 Jan Hubicka <jh@suse.cz>
251 * matrix-reorg.c (matrix_reorg): Rebuild edges.
253 2010-05-11 Jan Hubicka <jh@suse.cz>
255 * lto-streamer.c (lto_streamer_cache_add_to_node_array,
256 lto_streamer_cache_delete): Put nodes into heap.
257 * lto-streamer.h (struct lto_streamer_cache_d): Nodes vector is in
260 2010-05-11 Jan Hubicka <jh@suse.cz>
262 * cgraphbuild.c (cgraph_rebuild_references): New.
263 * cgraph.c (cgraph_mark_reachable_node): Accept references to optimized
265 * cgraph.h (cgraph_rebuild_references): Declare.
266 * tree-inline.c (tree_function_versioning): Use it.
267 * ipa-struct-reorg.c (do_reorg_for_func): Likewise.
269 2010-05-11 Jan Hubicka <jh@suse.cz>
271 * cgraph.c: Include ipa-utils.h
272 (cgraph_create_virtual_clone): Update references.
273 * Makefile.in (cgraph.o): Add dependency at ipa-utils.h
275 2010-05-11 Christian Borntraeger <borntraeger@de.ibm.com>
277 * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Reset
278 prefetch_before to PREFETCH_ALL if to accesses "meet" beyond
281 2010-05-11 Christian Borntraeger <borntraeger@de.ibm.com>
283 * tree-ssa-loop-prefetch.c: Add debug for dropped prefetches.
285 2010-05-11 Jakub Jelinek <jakub@redhat.com>
287 * gcc.c (execute): For -### don't quote arguments that
288 contain just alphanumerics and _/-. characters.
289 * doc/invoke.texi: Document that change for -###.
292 * df-problems.c (struct dead_debug): Add to_rescan field.
293 (dead_debug_init): Clear to_rescan field.
294 (dead_debug_finish): Rescan all debug insns in to_rescan
295 bitmap and free the bitmap.
296 (dead_debug_insert_before): Instead of rescanning debug insns
297 immediately queue their rescanning until dead_debug_finish.
298 (df_note_bb_compute): After dead_debug_add do continue instead
301 2010-05-10 Jakub Jelinek <jakub@redhat.com>
304 * haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC,
305 clear also INSN_REG_USE_LIST.
307 2010-05-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
309 * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Undef.
311 2010-05-10 Jan Hubicka <jh@suse.cz>
313 * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally commited change.
315 2010-05-10 Jan Hubicka <jh@suse.cz>
317 * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries): Allocate
319 * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
320 * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
321 (lto_streamer_cache_create): Init alloc pool.
322 (lto_streamer_cache_delete): Free alloc pool.
323 * lto-streamer.h: Include alloc pool.
324 (lto_streamer_cache_d): Use alloc pool.
325 * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.
327 2010-05-10 Jan Hubicka <jh@suse.cz>
329 * Makefile.in (cgraphbuild.o): Add dependency on except.h.
330 * cgraphbuild.c: Include except.h
331 (record_type_list, record_eh_tables): New function.
332 (build_cgraph_edges, rebuild_cgraph_edges): Use it.
334 2010-05-10 Jan Hubicka <jh@suse.cz>
336 * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
337 __frame_dummy_init_array_entry, force_to_data): Attribute as used
340 2010-05-10 Michael Matz <matz@suse.de>
342 * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
343 (can_reassociate_p): Use FLOAT_TYPE_P.
344 * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
345 (vect_force_simple_reduction): ... this.
346 * tree-parloops.c (gather_scalar_reductions): Use
347 vect_force_simple_reduction.
348 * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
349 vect_is_simple_reduction, add modify argument, if true rewrite
351 (vect_is_simple_reduction, vect_force_simple_reduction): New
353 (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.
355 2010-05-10 H.J. Lu <hongjiu.lu@intel.com>
356 Vladimir Makarov <vmakarov@redhat.com>
358 PR rtl-optimization/44012
359 * ira-build.c (remove_unnecessary_allocnos): Nullify
360 regno_allocno_map of the removed allocno.
362 2010-05-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
364 * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
366 * configure: Regenerate.
368 2010-05-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
370 * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
372 Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
373 * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
375 * configure: Regenerate.
377 2010-05-10 Richard Guenther <rguenther@suse.de>
379 * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
380 marked if the entry identifier is marked.
382 2010-05-10 Richard Guenther <rguenther@suse.de>
384 * c-common.c (struct c_common_attributes): Add fnspec attribute.
385 (handle_fnspec_attribute): New function.
386 * gimple.h (gimple_call_return_flags): Declare.
387 (gimple_call_arg_flags): Likewise.
388 * gimple.c (gimple_call_arg_flags): New function.
389 (gimple_call_return_flags): Likewise.
390 * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
392 (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
394 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
395 * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
397 (make_heapvar_for): ... this new function.
398 (handle_rhs_call): Handle fnspec attribute argument specifiers.
399 (handle_lhs_call): Likewise.
400 (find_func_aliases): Adjust.
402 2010-05-10 Richard Guenther <rguenther@suse.de>
404 PR tree-optimization/44050
405 * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.
407 2010-05-10 Wei Guozhi <carrot@google.com>
410 * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
412 2010-05-09 Joseph Myers <joseph@codesourcery.com>
415 * c-typeck.c (lookup_field): Take a type directly. Update
417 (build_component_ref): Update call to lookup_field.
418 (set_init_label): Use lookup_field to find initialized field.
419 Handle returned list of fields like a sequence of designators.
421 2010-05-09 Richard Guenther <rguenther@suse.de>
424 * fold-const.c (tree_single_nonzero_warnv_p): Properly
425 handle &FUNCTION_DECL.
427 2010-05-09 Joseph Myers <joseph@codesourcery.com>
430 * c-decl.c (detect_field_duplicates_hash): New. Handle anonymous
431 structures and unions recursively.
432 (detect_field_duplicates): Move duplicate detection with a hash to
433 detect_field_duplicates_hash. Always use a hash if anonymous
434 structures or unions are present.
435 * doc/extend.texi (Unnamed Fields): Document that duplicate fields
438 2010-05-09 H.J. Lu <hongjiu.lu@intel.com>
441 * config/i386/driver-i386.c (host_detect_local_cpu): Properly
442 detect Atom, Core 2 and Core i7.
444 2010-05-09 Richard Guenther <rguenther@suse.de>
446 * gcc.c (store_arg): Handle temporary file deletion for
449 2010-05-09 Richard Guenther <rguenther@suse.de>
452 * ipa-inline.c (estimate_function_body_sizes): Return after
453 disregarding inline limits.
455 2010-05-09 Richard Guenther <rguenther@suse.de>
457 * gcc.c (store_arg): Revert last change.
459 2010-05-08 Sandra Loosemore <sandra@codesourcery.com>
462 * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
463 (optimize_ops_list): Call it.
465 2010-05-08 Richard Guenther <rguenther@suse.de>
467 PR tree-optimization/44030
468 * tree-ssa-pre.c (eliminate): Copy NECESSARY flag. Set
469 NECESSARY flag if we propagate from a inserted expression.
471 2010-05-08 Eric Botcazou <ebotcazou@adacore.com>
473 * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
474 domain types as equal if they are both PLACEHOLDER_EXPRs.
476 2010-05-08 Richard Guenther <rguenther@suse.de>
478 * lto-wrapper.c (run_gcc): Remove linker output from
479 command line for LTRANS invocation.
481 2010-05-07 Steven Bosscher <steven@gcc.gnu.org>
483 * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
484 lto-macho as lto_binary_reader.
485 * target.h (struct gcc_target): New hooks lto_start and lto_end.
486 * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
487 * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
488 in lto_start and lto_end calls.
489 (is_elf_or_coff): Rename to maybe_lto_object_file. Add Mach-O
491 (scan_prog_file): Update is_elf_or_coff call.
492 * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
494 * collect2.c (main): Fix enum comparison.
496 * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
498 * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
499 * darwin.h (LINK_COMMAND_SPEC): Likewise. Define TARGET_ASM_LTO_START
500 and TARGET_ASM_LTO_END.
501 * darwin.c: Include obstack.h and lto-streamer.h.
502 (lto_section_names_offset, lto_section_names_obstack,
503 lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
505 (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
506 (darwin_asm_lto_start): New function. Redirect output to asm_out_file
508 (darwin_asm_lto_end): New function. Restore asm_out_file.
509 (darwin_asm_named_section): For LTO sections, replace the name with
510 the offset of the section name in a string table, and build this
512 (darwin_file_start): Initialize global vars for LTO support.
513 (darwin_file_end): If output to asm_out_file was redirected, append it
514 to the proper asm_out_file here. Add the section names section.
516 2010-05-07 Steven Bosscher <steven@gcc.gnu.org>
518 * c-pragma.c (pending_weak_d, pending_weak): New.
519 (pending_weaks): Change the type to VEC((pending_weak,gc) *.
520 (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
521 handle_pragma_weak): Update the uses of pending_weaks.
523 2010-05-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
525 PR documentation/44016
526 * doc/standards.texi (Standards): Link to unversioned
527 cxx0x_status.html page.
529 2010-05-07 Iain Sandoe <iains@gcc.gnu.org>
532 * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
533 in addition to TREE_USED, to avoid "set but unused" warnings.
535 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
537 * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
538 (is_loop_prefetching_profitable): Do not insert prefetches
539 when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
540 times the prefetch ahead distance.
542 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
544 * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
545 Account for loop unrolling in the insn-to-prefetch ratio heuristic.
546 (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
549 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
551 * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
552 a diagnostic info when the insn-to-mem ratio is too small.
554 2010-05-07 Richard Guenther <rguenther@suse.de>
556 * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
558 (store_arg): Queue temp_filename for deletion instead of
561 2010-05-07 Richard Guenther <rguenther@suse.de>
563 * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
564 (run_gcc): Handle LTRANS phase invocation.
565 * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.
567 2010-05-07 Jakub Jelinek <jakub@redhat.com>
569 * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
570 this is also meaningful on PARM_DECLs and RESULT_DECLs.
572 2010-05-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
574 * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
576 2010-05-07 Richard Guenther <rguenther@suse.de>
578 PR tree-optimization/44020
579 * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
580 code when PRE is not yet initialized.
582 2010-05-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
584 * config/mips/dbxmdebug.h: Remove.
585 * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
587 2010-05-07 Shujing Zhao <pearly.zhao@oracle.com>
589 * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
590 with null pointer and also warn about ordered comparison of zero with
593 2010-05-05 Andreas Simbuerger <simbuerg@fim.uni-passau.de>
595 * graphite-blocking.c
596 (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
597 * graphite-clast-to-gimple.c
598 (clast_to_gcc_expression): Same.
599 (precision_for_value): Same.
600 (precision_for_interval): Same.
601 (gcc_type_for_interval): Same.
602 (graphite_create_new_guard): Same.
603 (compute_bounds_for_level): Same.
604 (graphite_create_new_loop_guard): Same.
605 * graphite-interchange.c
606 (build_linearized_memory_access): Same.
607 (pdr_stride_in_loop): Same.
608 (memory_strides_in_loop_1): Same.
609 (memory_strides_in_loop): Same.
610 (extend_scattering): Same.
611 (psct_scattering_dim_for_loop_depth): Same.
612 (pbb_number_of_iterations): Same.
614 (debug_iteration_domains): Same.
616 (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
617 (ppl_set_inhomogeneous_gmp): Same.
618 (ppl_strip_loop): Same.
619 (ppl_lexico_compare_linear_expressions): Same.
620 (ppl_read_polyhedron_matrix): Same.
621 (ppl_max_for_le_pointset): Same.
623 (ppl_read_polyhedron_matrix): Same.
624 (tree_int_to_gmp): Same.
625 (gmp_cst_to_tree): Same.
626 (ppl_set_inhomogeneous): Same.
627 (ppl_set_inhomogeneous_tree): Same.
628 (ppl_set_coef): Same.
629 (ppl_set_coef_tree): Same.
630 * graphite-sese-to-poly.c
631 (build_pbb_scattering_polyhedrons): Same.
632 (build_scop_scattering): Same.
633 (scan_tree_for_params_right_scev): Same.
634 (scan_tree_for_params): Same.
635 (find_params_in_bb): Same.
636 (find_scop_parameters): Same.
637 (add_upper_bounds_from_estimated_nit): Same.
638 (build_loop_iteration_domains): Same.
639 (add_condition_to_domain): Same.
640 (pdr_add_memory_accesses): Same.
642 2010-05-05 Andreas Simbuerger <simbuerg@fim.uni-passau.de>
644 * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
645 CLooG's value_* macros to their respective mpz_* counterparts.
646 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
647 (graphite_create_new_loop_guard): Same.
648 * graphite-interchange.c (build_linearized_memory_access): Same.
649 (pdr_stride_in_loop): Same.
650 (memory_strides_in_loop_1): Same.
651 (1st_interchange_profitable_p): Same.
652 * graphite-poly.c (extend_scattering): Same.
653 (psct_scattering_dim_for_loop_depth): Same.
654 (pbb_number_of_iterations): Same.
655 (pbb_number_of_iterations_at_time): Same.
656 * graphite-poly.h (new_1st_loop): Same.
657 * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
658 (oppose_constraint): Same.
659 (insert_constraint_into_matrix): Same.
660 (ppl_set_inhomogeneous_gmp): Same.
661 (ppl_set_coef_gmp): Same.
662 (ppl_strip_loop): Same.
663 (ppl_lexico_compare_linear_expressions): Same.
664 (ppl_max_for_le_pointset): Same.
665 (ppl_min_for_le_pointset): Same.
666 (ppl_build_realtion): Same.
667 * graphite-ppl.h (gmp_cst_to_tree): Same.
668 (ppl_set_inhomogeneous): Same.
669 (ppl_set_inhomogeneous_tree): Same.
670 (ppl_set_coef): Same.
671 (ppl_set_coef_tree): Same.
672 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
673 (build_scop_scattering): Same.
674 (add_value_to_dim): Same.
675 (scan_tree_for_params_right_scev): Same.
676 (scan_tree_for_params_int): Same.
677 (scan_tree_for_params): Same.
678 (find_params_in_bb): Same.
679 (find_scop_parameters): Same.
680 (add_upper_bounds_from_estimated_nit): Same.
681 (build_loop_iteration_domains): Same.
682 (create_linear_expr_from_tree): Same.
683 (add_condition_to_domain): Same.
684 (pdr_add_memory_accesses): Same.
686 2010-05-06 Magnus Fromreide <magfr@lysator.liu.se>
687 Jason Merrill <jason@redhat.com>
689 * c-common.c (c_common_reswords): Add nullptr.
690 * c-common.h: Add RID_NULLPTR. Reorganize C++0x rids.
691 * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
692 (gen_type_die_with_usage): Likewise.
693 * dbxout.c (dbxout_type): Likewise.
694 * sdbout.c (plain_type_1): Likewise.
696 2010-05-06 Jason Merrill <jason@redhat.com>
698 * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
699 Don't change GS_OK to GS_ALL_DONE. Make sure that all cases set
701 (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
703 * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
704 stripping WITH_SIZE_EXPR.
705 (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
708 2010-05-06 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
710 * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
711 list of obsolete configurations.
712 Disabled check for obsolete configurations.
713 (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
714 Removed support for previous versions.
715 * config/mips/iris.h: Removed.
716 * config/mips/iris5.h: Removed.
717 * config/mips/iris6.h: Merged old iris.h contents.
718 (TARGET_IRIX): Removed.
719 (DRIVER_SELF_SPECS): Removed mabi=32.
720 (IDENT_ASM_OP): Removed undef.
721 (STARTFILE_SPEC): Removed mabi=32.
722 (ENDFILE_SPEC): Likewise.
723 (IRIX_SUBTARGET_LINK_SPEC): Likewise.
724 (MACHINE_TYPE): Update for IRIX 6.5.
725 * config/mips/mips.c (mips_build_builtin_va_list): Replaced
726 TARGET_IRIX by TARGET_IRIX6.
727 (mips_file_start): Likewise.
728 (mips_output_external): Remove IRIX 5/6 O32 support.
729 (mips_output_function_prologue): Likewise.
730 * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
732 (TARGET_CPU_CPP_BUILTINS): Likewise.
733 (TARGET_IRIX): Removed.
734 * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
735 (MULTILIB_DIRNAMES): Removed 32.
736 (MULTILIB_OSDIRNAMES): Removed ../lib.
737 * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
738 (Specific, mips-sgi-irix5): Document removal.
739 (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
740 Remove references to older IRIX 6 releases and the O32 ABI.
742 2010-05-06 Jakub Jelinek <jakub@redhat.com>
745 * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
746 instead of DF_REF_REAL_REG.
748 2010-05-06 Dave Korn <dave.korn.cygwin@gmail.com>
751 * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
752 handling to still return true for x64 targets.
754 2010-05-06 Maxim Kuvyrkov <maxim@codesourcery.com>
756 * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
758 2010-05-06 Jan Hubicka <jh@suse.cz>
760 PR tree-optimization/43791
761 * ipa-inline.c (update_caller_keys): Remove bogus
762 disregard_inline_limits check.
764 2010-05-06 Michael Matz <matz@suse.de>
766 PR tree-optimization/43984
767 * tree-ssa-pre.c (inserted_phi_names): Remove.
768 (inserted_exprs): Change to bitmap.
769 (create_expression_by_pieces): Set bits, don't append to vector.
770 (insert_into_preds_of_block): Don't handle inserted_phi_names.
771 (eliminate): Don't look at inserted_phi_names, remove deleted
772 insns from inserted_exprs.
773 (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
774 (init_pre, fini_pre): Allocate and free bitmaps.
775 (execute_pre): Insert insns on edges before elimination.
777 2010-05-06 Maxim Kuvyrkov <maxim@codesourcery.com>
779 * tree.c (initializer_zerop): Handle STRING_CST.
781 2010-05-06 Manuel López-Ibáñez <manu@gcc.gnu.org>
784 * doc/invoke.texi (Wimplicit): Document as C only.
785 * opts.c (common_handle_option): Add argument kind.
786 (handle_option): Rename as read_cmdline_option. Factor out code to...
787 (handle_option): ... here. New.
788 (handle_options): Rename as read_cmdline_options.
789 (decode_options): Update call.
790 (set_option): Use option index instead of option pointer. Classify
791 diagnostics correctly.
792 (enable_warning_as_error): Call handle_option.
793 * opts.h (set_option): Update declaration.
794 (handle_option): Declare.
795 * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
796 * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
797 * c-opts.c (set_Wimplicit): Delete.
798 (c_family_lang_mask): New static constant.
799 (c_common_handle_option): Add argument kind. Use handle_option
800 instead of set_Wimplicit.
801 (c_common_post_options): warn_implicit and warn_implicit_int
802 are disabled by default.
803 * c-common.c (warn_implicit): Do not define here.
804 * c-common.h (warn_implicit): Do not declare here.
805 (c_common_handle_option): Update declaration.
806 * lto-opts.c (lto_reissue_options): Update call to set_option.
808 2010-05-06 Richard Guenther <rguenther@suse.de>
810 PR tree-optimization/43571
811 * domwalk.c (walk_dominator_tree): Walk the dominator
812 sons in more optimal order.
814 2010-05-06 Richard Guenther <rguenther@suse.de>
816 PR tree-optimization/43934
817 * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
818 (stmt_cost): Likewise.
819 (extract_true_false_args_from_phi): New helper.
820 (determine_max_movement): For PHI nodes verify we can hoist them
821 and compute their cost.
822 (determine_invariantness_stmt): Handle PHI nodes.
823 (move_computations_stmt): Likewise. Hoist PHI nodes in
824 if-converted form using COND_EXPRs.
825 (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
826 (tree_ssa_lim): Likewise.
827 * tree-flow.h (tree_ssa_lim): Adjust prototype.
828 * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
830 2010-05-06 Richard Guenther <rguenther@suse.de>
832 PR tree-optimization/43987
833 * tree-ssa-structalias.c (could_have_pointers): For possibly
834 address-taken variables force pointers to be recorded.
835 (create_variable_info_for_1): Likewise.
836 (push_fields_onto_fieldstack): Pass in wheter all fields
838 (find_func_aliases): Query types instead of vars whether
839 they contain pointers where appropriate.
841 2010-05-06 Jan Hubicka <jh@suse.cz>
843 * cgraphbuild.c (record_reference_ctx): Add varpool_node.
844 (record_reference, mark_address, mark_load, mark_store): Record
846 (record_references_in_initializer): Update call of record_references.
847 (rebuild_cgraph_edges): Remove all references before rebuiding.
848 * cgraph.c (cgraph_create_node): Clear ref list.
849 (cgraph_remove_node): Remove references.
850 (dump_cgraph_node): Dump references.
851 (cgraph_clone_node): Clone references.
852 * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
853 (struct cgraph_node, varpool_node): Add ref_lst.
854 * ipa-ref.c: New file.
855 * ipa-ref.h: New file.
856 * ipa-ref-inline.h: New file.
857 * lto-cgraph.c (output_varpool): Take cgrag node set argument.
858 (referenced_from_other_partition_p): New function.
859 (lto_output_varpool_node): Take set arugment; call
860 referenced_from_other_partition.
861 (lto_output_ref): New.
862 (add_references): New.
864 (output_cgraph): Compute boundary based on references; output refs.
865 (output_varpool): Accept cgraph_node_set argument.
868 (input_cgraph): Call input_refs.
869 * lto-section-in.c (lto_section_name): Add refs.
870 * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
871 (ipa-ref.o): New file.
872 * varpool.c (varpool_node): Clear ipa ref list.
873 (varpool_remove_node): Remove references.
874 (dump_varpool_node): Dump references.
875 (varpool_assemble_decl): Only compile finalized ones.
876 (varpool_extra_name_alias): Initialize ref list.
877 * lto-streamer.c (lto-get_section_name): Add .refs section.
878 * lto-streamer.h (lto_section_type): Add LTO_section_refs.
879 (referenced_from_other_partition_p): Declared.
881 2010-05-06 Ira Rosen <irar@il.ibm.com>
883 PR tree-optimization/43901
884 * tree-vect-stmts.c (vectorizable_call): Assert that vector
885 type is not NULL if it's transformation phase, and return
886 FALSE if it's analysis.
887 (vectorizable_conversion, vectorizable_operation,
888 vectorizable_type_demotion, vectorizable_type_promotion): Likewise.
890 2010-05-05 Andrew Pinski <andrew.pinski@caviumnetworks.com>
892 * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
894 * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
896 * config/mips/mips-protos.h
897 (mips_small_register_classes_for_mode_p): Delete prototype.
899 2010-05-06 Bernd Schmidt <bernds@codesourcery.com>
901 * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
902 * config/arm/arm.c (multiple_operation_profitable_p,
903 compute_offset_order): New static functions.
904 (load_multiple_sequence, store_multiple_sequence): Use them.
905 Replace constant 4 with MAX_LDM_STM_OPS. Compute order[0] from
906 memory offsets, not register numbers.
907 (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
909 2010-05-05 Steven Bosscher <steven@gcc.gnu.org>
911 * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *.
912 (get_pending_sizes, put_pending_size, put_pending_sizes):
913 Update the uses of pending_sizes.
914 * c-decl.c (store_parm_decls): Likewise.
915 * c-tree.h (struct c_arg_info): Likewise.
916 * tree.h: Update the prototype for get_pending_sizes and
919 2010-05-05 Jason Merrill <jason@redhat.com>
922 * c-common.c (handle_aligned_attribute): Respect
923 ATTR_FLAG_TYPE_IN_PLACE.
926 * target.h (struct gcc_target): Add attribute_takes_identifier_p.
927 * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
928 (TARGET_INITIALIZER): Use it.
929 * c-common.c (attribute_takes_identifier_p): Call it.
930 * c-common.h: Update prototype.
931 * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
932 (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
934 2010-05-05 Jakub Jelinek <jakub@redhat.com>
937 * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
938 DW_ID_down_case for Fortran compilation units.
940 2010-05-05 Jan Hubicka <jh@suse.cz>
942 * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
945 2010-05-05 Eric Botcazou <ebotcazou@adacore.com>
947 * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
948 a variable-sized RESULT_DECL.
950 2010-05-05 Maxim Kuvyrkov <maxim@codesourcery.com>
952 * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
954 2010-05-05 Jason Merrill <jason@redhat.com>
957 * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
959 (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
961 2010-05-05 Alexandre Oliva <aoliva@redhat.com>
962 Jakub Jelinek <jakub@redhat.com>
965 * df-problems.c (struct dead_debug_use, struct dead_debug): New.
966 (dead_debug_init, dead_debug_finish): New functions.
967 (dead_debug_add, dead_debug_insert_before): Likewise.
968 (df_note_bb_compute): Initialize a dead_debug object, add dead
969 debug uses to it, insert debug bind insns before death insns,
970 reset debug insns that refer to pending uses at the end.
971 * rtl.h (make_debug_expr_from_rtl): New prototype.
972 * varasm.c (make_debug_expr_from_rtl): New function.
974 2010-05-05 Jan Hubicka <jh@suse.cz>
976 * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
977 (lto_varpool_encoder_new, lto_varpool_encoder_delete,
978 lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
979 lto_varpool_encoder_deref, lto_varpool_encoder_size,
980 lto_varpool_encoder_encode_initializer_p,
981 lto_set_varpool_encoder_encode_initializer): New functions.
982 (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
984 (input_varpool_node): Do not always set analyzed.
985 (input_cgraph_1): Return vector of cgraph nodes.
986 (input_varpool_1): Return vector of varpools.
987 (input_cgraph): Free the vectors.
988 * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
989 output only initializers needed.
990 (lto_output): Only call output_cgraph.
991 (produce_asm_for_decls): Call lto_varpool_encoder_delete.
992 * lto-section-out.c (lto_new_out_decl_state): Initialize
993 state->varpool_node_encoder.
994 * lto-streamer.h (lto_varpool_encoder_d): New.
995 (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
996 (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
997 (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
998 lto_varpool_encoder_encode, lto_varpool_encoder_delete,
999 lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
1001 (output_varpool, input_varpool): Remove declarations.
1003 2010-05-05 Jan Hubicka <jh@suse.cz>
1005 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
1006 with body can prevail.
1008 2010-05-05 Jan Hubicka <jh@suse.cz>
1010 * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
1013 2010-05-05 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1015 * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies.
1017 * gengtype.h (erro_at_line): Constify pos argument.
1019 * gengtype.c: Include hashtab.h.
1020 (enum gc_used): Document GC_MAYBE_POINTED_TO.
1021 (error_at_line): Constify pos argument.
1022 (do_typedef): Initialize p->opt field.
1023 (get_file_gtfilename): Fix comment typo.
1024 (struct walk_type_data): Constify line field.
1025 (get_output_file_for_structure): New function.
1026 (write_local_func_for_structure): Constify orig_s argument.
1027 Use get_output_file_for_structure.
1028 (write_func_for_structure): Use get_output_file_for_structure.
1029 (INDENT): New define.
1030 (dump_pair, dump_type, dump_type_list, dump_typekind)
1031 (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
1032 (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
1034 (seen_types): New variable.
1035 (main): New variable do_dump. Process "-d" command line option.
1036 Call dump_everything if dump requested.
1038 2010-05-05 Jakub Jelinek <jakub@redhat.com>
1040 * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
1041 in a temporary instead of invoking the macro multiple times.
1042 (track_expr_p): Likewise.
1044 2010-05-04 Neil Vachharajani <nvachhar@google.com>
1046 * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
1048 * opts.c (decode_options): Enable -Werror=coverage-mismatch.
1049 * coverage.c (get_coverage_counts): Always emit a warning. Adjust
1050 conditions for printing notes.
1051 * common.opt (-Wcoverage-mismatch): Allow negative, default to
1052 true, update documentation.
1053 * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
1055 2010-05-04 Jakub Jelinek <jakub@redhat.com>
1058 * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
1061 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
1064 * config/i386/i386.md (sse_prologue_save): Clobber CC register.
1065 (*sse_prologue_save_insn1): Likewise.
1066 (SSE prologue save splitter): Likewise.
1068 2010-05-04 Eric Botcazou <ebotcazou@adacore.com>
1070 * tree.c (free_lang_data_in_one_sizepos): New inline function.
1071 (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
1072 types. Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
1073 (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
1074 all decls. Call it on DECL_FIELD_OFFSET of fields.
1075 (find_decls_types_r): Follow DECL_VALUE_EXPR.
1076 (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
1078 2010-05-04 Martin Jambor <mjambor@suse.cz>
1080 * tree-sra.c (build_access_from_expr_1): The first parameter type
1081 changed to simple tree.
1082 (build_access_from_expr): Likewise, gsi parameter was eliminated.
1083 (scan_assign_result): Renamed to assignment_mod_result, enum elements
1085 (build_accesses_from_assign): Removed all parameters except for a
1086 simple gimple statement. Now returns a simple bool.
1087 (scan_function): All non-analysis parts moved to separate functions
1088 sra_modify_function_body and ipa_sra_modify_function_body. Removed all
1089 parameters and updated both callers.
1090 (sra_modify_expr): Removed parameter data.
1091 (sra_modify_function_body): New function.
1092 (perform_intra_sra): Call sra_modify_function_body to modify the
1094 (replace_removed_params_ssa_names): Parameter data changed into
1096 (sra_ipa_modify_expr): Likewise. Also removed unused parameter gsi and
1097 changed the parameter dont_convert to convert with the opposite
1099 (sra_ipa_modify_assign): Parameter data changed into adjustments
1100 vector, return value changed to bool.
1101 (ipa_sra_modify_function_body): New function.
1102 (sra_ipa_reset_debug_stmts): Updated a comment.
1103 (modify_function): Use ipa_sra_modify_function_body to modify function
1106 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
1109 * alias.c (true_dependence): Handle the same VALUE in x and mem.
1110 (canon_true_dependence): Likewise.
1111 (write_dependence_p): Likewise.
1113 2010-05-04 Jan Hubicka <jh@suse.cz>
1115 * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
1116 * cgraphbuild.c: Include ipa-utils.h
1117 (record_reference_ctx): New struct.
1118 (record_reference): Simplify to work on initializers; not statements.
1119 (mark_address, mark_load, mark_store): New.
1120 (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1122 (record_references_in_initializer): Update use of record_reference.
1123 (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1126 2010-05-04 Jan Hubicka <jh@suse.cz>
1128 * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
1129 node will be removed anyway.
1130 (lto_varpool_replace_node): Allow also unanalyzed nodes;
1131 relink aliases of node into prevailing node.
1132 * varpool.c (varpool_remove_node): Remove aliases properly;
1133 when removing node, remove all its aliases too; remove DECL_INITIAL
1134 of removed node; ggc_free the varpool node.
1136 2010-05-04 Richard Guenther <rguenther@suse.de>
1138 PR tree-optimization/43879
1139 * tree-ssa-structalias.c (alias_get_name): Use
1140 DECL_ASSEMBLER_NAME if available.
1141 (create_function_info_for): Return the varinfo node.
1142 (ipa_pta_execute): Associate same-body aliases and extra names
1143 with their origin nodes varinfo. Dump DECL_ASSEMBLER_NAME.
1145 2010-05-04 Kaz Kojima <kkojima@gcc.gnu.org>
1147 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static.
1149 2010-05-04 Mikael Pettersson <mikpe@it.uu.se>
1152 * ira-color.c (assign_hard_reg): Declare rclass and add_cost
1153 only if HONOR_REG_ALLOC_ORDER is not defined.
1155 2010-05-04 Richard Guenther <rguenther@suse.de>
1157 PR tree-optimization/43949
1158 * tree-vrp.c (extract_range_from_binary_expr): Only handle
1161 2010-04-26 Jason Merrill <jason@redhat.com>
1163 * c.opt (-fstrict-enums): New.
1164 * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
1166 2010-05-03 David Ung <davidu@mips.com>
1167 James E. Wilson <wilson@codesourcery.com>
1169 * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
1170 emit the trap instruction before the divide for TUNE_74K.
1172 2010-05-03 Steven Bosscher <steven@gcc.gnu.org>
1174 * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
1175 (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
1176 based on the above, for new target hook.
1178 * hooks.c (hook_bool_mode_true): New generic hook.
1179 * hooks.h (hook_bool_mode_true): Add prototype.
1181 * target.h (struct gcc_target): Add small_register_classes_for_mode_p
1183 * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
1184 target hook, set to hook_bool_mode_false.
1185 * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
1186 * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
1187 with targetm.small_register_classes_for_mode_p.
1188 (find_reusable_reload): Likewise.
1189 (combine_reloads): Likewise.
1190 * reload1.c (reload_as_needed): Likewise.
1191 * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
1192 * ifcvt.c (noce_process_if_block, check_cond_move_block,
1193 dead_or_predicable): Likewise.
1194 * regmove.c (optimize_reg_copy_1): Likewise.
1195 * calls.c (prepare_call_address): Likewise.
1196 (precompute_register_parameters): Likewise.
1198 * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
1200 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
1201 implementation of the hook that considers all register classes
1202 small except for SH64.
1203 (sh_override_options): Use the new hook.
1204 * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
1207 * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
1209 * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
1210 implementation of the hook that considers all register classes
1212 * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
1215 * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
1217 * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
1218 implementation of the hook that considers all register classes
1220 * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
1223 * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
1225 * config/m32c/m32c.h: Likewise.
1226 * config/pdp11/pdp11.h: Likewise.
1227 * config/avr/avr.h: Likewise.
1228 * config/xtensa/xtensa.h: Likewise.
1229 * config/m68hc11/m68hc11.h: Likewise.
1230 * config/mn10300/mn10300.h: Likewise.
1231 * config/mcore/mcore.h: Likewise.
1232 * config/h8300/h8300.h: Likewise.
1233 * config/bfin/bfin.h: Likewise.
1235 * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
1236 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
1238 2010-05-03 Anatoly Sokolov <aesok@post.ru>
1240 * double-int.h (tree_to_double_int): Remove macro.
1241 (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
1242 * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1243 (tree_to_double_int): New function.
1244 * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
1246 * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1248 2010-05-03 Richard Guenther <rguenther@suse.de>
1250 PR tree-optimization/43971
1251 * tree-ssa-structalias.c (get_constraint_for_1): Fix
1252 constraints in the !flag_delete_null_pointer_checks case.
1254 2010-05-03 Jakub Jelinek <jakub@redhat.com>
1257 * config/i386/i386.c (ix86_delegitimize_address): Make sure the
1258 result mode matches original rtl mode.
1260 2010-05-03 Dave Korn <dave.korn.cygwin@gmail.com>
1263 * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
1265 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
1267 * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
1268 when processing flag options.
1270 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
1272 * gcov-iov.c (main): Change format string placeholder
1273 from %#08x to 0x%08x.
1274 * genchecksum.c (dosum): Change format string placeholder
1275 from %#02x to 0x%02x.
1277 2010-05-02 Richard Guenther <rguenther@suse.de>
1279 PR tree-optimization/43879
1280 * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
1282 2010-05-02 Bruno Haible <bruno@clisp.org>
1284 * doc/extend.texi (Function Attributes): Fix a typo.
1286 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
1289 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
1290 placeholder from 0x%x to %#x.
1291 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1292 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1293 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1294 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1295 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1296 * config/i386/i386.c (ix86_target_string): Ditto.
1297 * config/i386/i386.c (output_pic_addr_const): Ditto.
1298 (print_operand): Ditto.
1300 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
1302 * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
1303 placeholder from 0x%x to %#x.
1304 (ASM_OUTPUT_DEBUG_DATA1): Ditto.
1305 (ASM_OUTPUT_DEBUG_DATA4): Ditto.
1306 (ASM_OUTPUT_DEBUG_DATA): Ditto.
1307 (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
1308 (ASM_OUTPUT_DEBUG_DATA8): Ditto.
1309 * optc-gen.awk: Ditto.
1310 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
1311 (HOST_WIDE_INT_PRINT_HEX): Ditto.
1312 (HOST_WIDEST_INT_PRINT_HEX): Ditto.
1313 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1315 2010-05-01 Anatoly Sokolov <aesok@post.ru>
1317 * target.h (struct calls): Add function_value_regno_p field.
1318 * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
1319 (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
1320 * targhooks.c (default_function_value_regno_p): New function.
1321 * targhooks.h (default_function_value_regno_p): Declare function.
1322 * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
1323 * builtins.c. (apply_result_size): (Ditto.).
1324 * combine.c. (likely_spilled_retval_p): (Ditto.).
1325 * mode-switching.c. Include 'target.h'.
1326 (create_pre_exit): Use function_value_regno_p hook.
1327 * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
1328 * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
1329 TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
1331 * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
1332 * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
1333 (ix86_function_value_regno_p): Declare as static, change argument
1334 type to const unsigned int.
1335 * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
1337 2010-05-01 Richard Guenther <rguenther@suse.de>
1339 PR tree-optimization/43949
1340 * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
1342 (extract_range_from_binary_expr): Handle *_MOD_EXPR.
1344 2010-05-01 Anatoly Sokolov <aesok@post.ru>
1346 * rtl.h (CONST_DOUBLE_P): Define.
1347 (rtx_to_double_int): Declare.
1348 * emit-rtl.c (rtx_to_double_int): New function.
1349 * dwarf2out.c (insert_double): New function.
1350 (loc_descriptor, add_const_value_attribute): Clean up, use
1351 rtx_to_double_int and insert_double functions.
1353 2010-05-01 Jonathan Wakely <jwakely.gcc@gmail.com>
1355 * doc/extend.texi (Inline): Add missing return keyword to examples.
1356 (Function Attributes, Variable Attributes, Pragmas): Hyphenate
1359 2010-04-30 Eric Botcazou <ebotcazou@adacore.com>
1361 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
1362 the variable part of the offset as well. Use highest_pow2_factor for
1363 all alignment checks.
1365 2010-04-30 Richard Guenther <rguenther@suse.de>
1367 PR tree-optimization/43879
1368 * tree-ssa-structalias.c (type_could_have_pointers): Functions
1371 2010-04-30 Jan Hubicka <jh@suse.cz>
1373 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
1375 (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
1377 2010-04-30 Jan Hubicka <jh@suse.cz>
1379 * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
1381 * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
1382 * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
1383 (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
1384 cgraph_node_set_needs_ltrans_p): Remove.
1386 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
1388 * sdbout.c: Include vec.h, do not include varray.h.
1389 (deferred_global_decls, sdbout_global_decl,
1390 sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
1391 * toplev.c: Do not include varray.h.
1392 (dump_memory_report): Do not dump VARRAY statistics.
1393 * gengtype.c (open_base_file): Ignore varray.h.
1394 * Makefile.in: Update for abovementioned changes.
1395 Remove all traces of varray.c and varray.h.
1396 * varray.c: Remove file.
1397 * varray.h: Remove file.
1399 2010-04-30 Jan Hubicka <jh@suse.cz>
1401 * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
1404 2010-04-30 Jan Hubicka <jh@suse.cz>
1406 * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
1409 2010-04-30 Richard Guenther <rguenther@suse.de>
1411 * tree-ssa-structalias.c (get_constraint_for_1): Generate
1412 constraints for CONSTRUCTOR.
1414 2010-04-30 Richard Guenther <rguenther@suse.de>
1417 * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
1418 first after all lowering passes.
1420 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
1422 * toplev.c: Include varray.h for statistics dumping.
1423 * tree.h: Do not declare varray_head_tag.
1424 * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
1425 regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
1426 c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
1427 gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
1428 lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
1429 tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
1430 c-common.c, c-common.h, reg-stack.c, basic-block.h,
1431 tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
1433 * Makefile.in: Update for abovementioned changes.
1435 2010-04-30 Jakub Jelinek <jakub@redhat.com>
1438 * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
1440 2010-04-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1442 * config/picochip/picochip.c (picochip_legitimize_address): Define.
1443 Use this function to do machine-specific conversion.
1444 (picochip_legitimize_reload_address): Likewise.
1445 (picochip_legitimate_address_p): Check valid base register only if
1447 (picochip_check_conditional_copy): Check for modw only if opnd is
1449 * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
1450 to call the function in c.
1451 * config/picochip/picochip-protos.h
1452 (picochip_legitimize_reload_address): Define.
1453 * config/picochip/picochip.md (supported_compare1): Define.
1455 2010-04-30 Jan Hubicka <jh@suse.cz>
1457 * cgraph.h (cgraph_local_info): Remove for_functions_valid.
1458 (cgraph_global_info): Remove inlined.
1459 (LTO_cgraph_tag_names): Remove.
1460 (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
1461 * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
1462 simplify cgraph tags and document.
1463 (lto_output_node): Use only LTO_cgraph_unavail_node and
1464 LTO_cgraph_analyzed_node; Do not save analzed, reachable,
1465 for_functions_valid, global info, process and output flags.
1466 (input_overwrite_node): Initialize estimated stack size and
1467 estimated growth. Do not read flags we no longer store.
1468 (input_node): Likewise do not read info no longer stored.
1469 * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
1472 2010-04-30 Richard Guenther <rguenther@suse.de>
1474 PR tree-optimization/43879
1475 * tree-ssa-structalias.c (get_constraint_for_1): Properly
1476 handle non-zero initializers.
1478 2010-04-30 Richard Guenther <rguenther@suse.de>
1480 * builtins.c (fold_builtin_1): Delete free (0).
1482 2010-04-29 Jan Hubicka <jh@suse.cz>
1484 * gengtype.c (open_base_files): Add lto-streamer.h
1485 * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
1486 (pass_ipa_cp): GGC collect.
1487 * toplev. (compile_file): Do not output symbols.
1488 * ipa-inline.c (pass_ipa_inline): Add ggc collect.
1489 * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
1490 TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
1491 * lto-section-in.c: Include ggc.h
1492 (lto_new_in_decl_state): Alloc in GGC.
1493 (lto_delete_in_decl_state): Likewise.
1494 * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
1497 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
1500 * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
1501 ORDER_REGS_FOR_LOCAL_ALLOC. All instances of this macro changed.
1502 (HONOR_REG_ALLOC_ORDER): Describe new macro.
1503 * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
1504 * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
1505 account only if HONOR_REG_ALLOC_ORDER is not defined.
1506 * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
1507 * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
1509 2010-04-29 Jon Grant <04@jguk.org>
1511 * collect2.c (vflag): Change type from int to bool.
1513 (helpflag): New global bool.
1514 (main): Set vflag and debug with boolean, not integer truth values.
1515 Accept new "--help" option and output usage text if found.
1516 * collect2.h (vflag): Update prototype.
1519 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
1522 * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
1524 2010-04-29 Richard Guenther <rguenther@suse.de>
1527 * plugin.h (invoke_plugin_callbacks): Annotate arguments
1528 with ATTRIBUTE_UNUSED.
1530 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
1533 * config/i386/i386.c (get_some_local_dynamic_name): Replace
1534 INSN_P with NONDEBUG_INSN_P.
1535 (distance_non_agu_define): Likewise.
1536 (distance_agu_use): Likewise.
1538 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
1540 From Dominique d'Humieres <dominiq@lps.ens.fr>
1542 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
1545 2010-04-29 Brian Hackett <bhackett1024@gmail.com>
1547 * plugin.h (invoke_plugin_callbacks): New inline function.
1548 * plugin.c (flag_plugin_added): New global flag.
1549 (add_new_plugin): Initialize above flag.
1550 (invoke_plugin_callbacks): Rename to ...
1551 (invoke_plugin_callbacks_full): ... this.
1553 2010-04-28 Jan Hubicka <jh@suse.cz>
1555 * lto-symtab.c (lto_symtab_entry_def) Add vnode.
1556 (lto_varpool_replace_node): New.
1557 (lto_symtab_resolve_symbols): Resolve varpool nodes.
1558 (lto_symtab_merge_decls_1): Prefer decls with varpool node.
1559 (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
1560 * cgraph.h (varpool_node_ptr): New type.
1561 (varpool_node_ptr): New vector.
1562 (varpool_node_set_def): New structure.
1563 (varpool_node_set): New type.
1564 (varpool_node_set): New vector.
1565 (varpool_node_set_element_def): New structure.
1566 (varpool_node_set_element, const_varpool_node_set_element): New types.
1567 (varpool_node_set_iterator): New type.
1568 (varpool_node): Add prev pointers, add used_from_other_partition,
1570 (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
1571 varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
1572 varpool_get_node, varpool_remove_node): Declare.
1573 (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
1574 varpool_node_set_size): New inlines.
1575 * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
1576 * tree-pass.h (varpool_node_set_def): Forward declare.
1577 (ipa_opt_pass_d): Summary writting takes vnode sets too.
1578 (ipa_write_optimization_summaries): Update prototype.
1579 * ipa-cp.c (ipcp_write_summary): Update.
1580 * ipa-reference.c (ipa_reference_write_summary): Update.
1581 * lto-cgraph.c (lto_output_varpool_node): New static function.
1582 (output_varpool): New function.
1583 (input_varpool_node): New static function.
1584 (input_varpool_1): New function.
1585 (input_cgraph): Input varpool.
1586 * ipa-pure-const.c (pure_const_write_summary): Update.
1587 * lto-streamer-out.c (lto_output): Update, output varpool too.
1588 (write_global_stream): Kill WPA hack.
1589 (produce_asm_for_decls): Update.
1590 (output_alias_pair_p): Handle variables.
1591 (output_unreferenced_globals): Output only needed partition of varpool.
1592 * ipa-inline.c (inline_write_summary): Update.
1593 * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
1595 * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
1596 * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
1597 varpool_node_set_new, varpool_node_set_add,
1598 varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
1599 debug_varpool_node_set): New functions.
1600 * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
1601 (execute_one_pass): Process new decls too.
1602 (ipa_write_summaries_2): Pass around vsets.
1603 (ipa_write_summaries_1): Likewise.
1604 (ipa_write_summaries): Build vset; be more selective about cgraph nodes
1606 (ipa_write_optimization_summaries_1): Pass around vsets.
1607 (ipa_write_optimization_summaries): Likewise.
1608 * varpool.c (varpool_get_node): New.
1609 (varpool_node): Update doubly linked lists.
1610 (varpool_remove_node): New.
1611 (dump_varpool_node): More dumping.
1612 (varpool_enqueue_needed_node): Update doubly linked lists.
1613 (decide_is_variable_needed): Kill ltrans hack.
1614 (varpool_finalize_decl): Kill lto hack.
1615 (varpool_assemble_decl): Skip decls in other partitions.
1616 (varpool_assemble_pending_decls): Update doubly linkes lists.
1617 (varpool_empty_needed_queue): Likewise.
1618 (varpool_extra_name_alias): Likewise.
1619 * lto-streamer.c (lto_get_section_name): Add vars section.
1620 * lto-streamer.h (lto_section_type): Update.
1621 (output_varpool, input_varpool): Declare.
1623 2010-04-28 Mike Stump <mikestump@comcast.net>
1625 * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
1627 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
1629 * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
1630 record or union type with RECORD_OR_UNION_TYPE_P predicate.
1631 (lto_input_ts_type_tree_pointers): Likewise.
1632 * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
1633 (lto_output_ts_type_tree_pointers): Likewise.
1635 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
1637 Uniquization of constants at the Tree level
1638 * tree.h (DECL_IN_CONSTANT_POOL): New macro.
1639 (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
1641 (tree_output_constant_def): Declare.
1642 * gimplify.c (gimplify_init_constructor): When using block copy, first
1643 uniquize the constant constructor on the RHS.
1644 * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
1645 DECL_IN_CONSTANT_POOL flag.
1646 * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
1647 * varasm.c (make_decl_rtl): Deal with variables belonging to the global
1649 (assemble_variable): Deal with symbols belonging to the tree constant
1651 (get_constant_section): Add ALIGN parameter and simplify.
1652 (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
1653 (assemble_constant_contents): Use the expression of the VAR_DECL.
1654 (output_constant_def_contents): Use the alignment of the VAR_DECL.
1655 (tree_output_constant_def): New global function.
1656 (mark_constant): Use the expression of the VAR_DECL.
1657 (place_block_symbol): Use the alignment of the VAR_DECL and the size of
1659 (output_object_block): Likewise and assemble the expression.
1661 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
1663 * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
1664 hash_tree, eq_tree): New tree hash table.
1665 (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
1666 [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
1667 lto_orig_address_remove): Reimplement.
1669 2010-04-28 Xinliang David Li <davidxl@google.com>
1672 * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
1673 (compute_uninit_opnds_pos): New function.
1674 (is_non_loop_exit_postdominating): New function.
1675 (compute_control_dep_chain): New function.
1676 (find_pdom): New function.
1677 (convert_control_dep_chain_into_preds): New function.
1678 (find_predicates): New function.
1679 (find_control_equiv_block): New function.
1680 (collect_phi_def_edges): New function.
1681 (find_def_preds): New function.
1682 (find_dom): New function.
1683 (dump_predicates): New function.
1684 (get_cmp_code): New function.
1685 (is_value_included_in): New function.
1686 (find_matching_predicate_in_rest_chains): New function.
1687 (use_pred_not_overlap_with_undef_path_pred): New function.
1688 (is_use_properly_guarded): New function.
1689 (normalize_cond_1): New function.
1690 (is_and_or_or): New function.
1691 (normalize_cond): New function.
1692 (is_gcond_subset_of): New function.
1693 (is_subset_of_any): New function.
1694 (is_or_set_subset_of): New function.
1695 (is_and_set_subset_of): New function.
1696 (is_norm_cond_subset_of): New function.
1697 (is_pred_expr_subset_of): New function.
1698 (is_pred_chain_subset_of): New function.
1699 (is_included_in): New function.
1700 (is_superset_of): New function.
1701 (find_uninit_use): New function.
1702 (warn_uninitialized_phi): New function.
1703 (compute_possibly_undefined_names): New function.
1704 (ssa_undefined_value_p): New function.
1705 (execute_late_warn_uninitialized): New function.
1706 * tree-ssa.c (ssa_undefined_value_p): Removed.
1707 (warn_uninit): Changed to extern.
1708 (warn_uninitialized_phi): Removed.
1709 (warn_uninitialized_vars): Changed to extern.
1710 (execute_late_warn_uninitialized): Removed
1711 * tree-flow.h: Add new prototypes.
1712 * timevar.def: Add new time variable.
1713 * Makefile.in: Add new build file.
1715 2010-04-28 Uros Bizjak <ubizjak@gmail.com>
1717 * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
1720 2010-04-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1723 * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
1725 2010-04-28 Martin Jambor <mjambor@suse.cz>
1727 * cgraph.h (struct cgraph_node): New field indirect_calls.
1728 (struct cgraph_indirect_call_info): New type.
1729 (struct cgraph_edge): Removed field indirect_call. New fields
1730 indirect_info, indirect_inlining_edge and indirect_unknown_callee.
1731 (cgraph_create_indirect_edge): Declare.
1732 (cgraph_make_edge_direct): Likewise.
1733 (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
1734 * ipa-prop.h (struct ipa_param_call_note): Removed.
1735 (struct ipa_node_params): Removed field param_calls.
1736 (ipa_create_all_structures_for_iinln): Declare.
1737 * cgraph.c: Described indirect edges and uids in initial comment.
1738 (cgraph_add_edge_to_call_site_hash): New function.
1739 (cgraph_edge): Search also among the indirect edges, use
1740 cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
1741 (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
1742 one, use cgraph_add_edge_to_call_site_hash to add edges to the call
1744 (initialize_inline_failed): Assign a reason to indirect edges.
1745 (cgraph_create_edge_1): New function.
1746 (cgraph_create_edge): Moved some functionality to
1747 cgraph_create_edge_1.
1748 (cgraph_create_indirect_edge): New function.
1749 (cgraph_edge_remove_callee): Add an assert checking for
1751 (cgraph_edge_remove_caller): Special-case indirect edges.
1752 (cgraph_remove_edge): Likewise.
1753 (cgraph_set_edge_callee): New function.
1754 (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
1755 (cgraph_make_edge_direct): New function.
1756 (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
1757 the declaration of the call statement matches.
1758 (cgraph_node_remove_callees): Special-case indirect edges.
1759 (cgraph_clone_edge): Likewise.
1760 (cgraph_clone_node): Clone also the indirect edges.
1761 (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
1762 indirect_call, dump count of indirect_calls edges.
1763 * ipa-prop.c (iinlining_processed_edges): New variable.
1764 (ipa_note_param_call): Create indirect edges instead of
1765 creating notes. New parameter node.
1766 (ipa_analyze_call_uses): New parameter node, pass it on to
1767 ipa_note_param_call.
1768 (ipa_analyze_stmt_uses): Likewise.
1769 (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
1770 (print_edge_addition_message): Work on edges rather than on notes.
1771 (update_call_notes_after_inlining): Likewise, renamed to
1772 update_indirect_edges_after_inlining.
1773 (ipa_create_all_structures_for_iinln): New function.
1774 (ipa_free_node_params_substructures): Do not free notes.
1775 (ipa_edge_duplication_hook): Propagate bits within
1776 iinlining_processed_edges bitmap.
1777 (ipa_node_duplication_hook): Do not duplicate notes.
1778 (free_all_ipa_structures_after_ipa_cp): Renamed to
1779 ipa_free_all_structures_after_ipa_cp.
1780 (free_all_ipa_structures_after_iinln): Renamed to
1781 ipa_free_all_structures_after_iinln.
1782 (ipa_write_param_call_note): Removed.
1783 (ipa_read_param_call_note): Removed.
1784 (ipa_write_indirect_edge_info): New function.
1785 (ipa_read_indirect_edge_info): Likewise.
1786 (ipa_write_node_info): Do not stream notes, do stream information
1788 (ipa_read_node_info): Likewise.
1789 (lto_ipa_fixup_call_notes): Removed.
1790 * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
1791 * ipa-inline.c (pass_ipa_inline): Likewise.
1792 * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
1793 * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
1794 * tree-inline.c (copy_bb): Removed an unnecessary double check for
1796 * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
1798 * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
1799 (output_cgraph): Stream also indirect edges.
1800 (lto_output_edge): Added capability to stream indirect edges.
1801 (input_edge): Likewise.
1802 (input_cgraph_1): Likewise.
1803 * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
1806 2010-04-28 Richard Guenther <rguenther@suse.de>
1808 PR tree-optimization/43879
1809 PR tree-optimization/43909
1810 * tree-ssa-structalias.c (struct variable_info): Add
1811 only_restrict_pointers flag.
1812 (new_var_info): Initialize it. Increment stats.total_vars here.
1813 (create_function_info_for): Do not increment stats.total_vars here.
1814 (get_function_part_constraint): Fix build with C++.
1815 (insert_into_field_list): Remove.
1816 (push_fields_onto_fieldstack): Properly merge fields.
1817 (create_variable_info_for): Split and simplify.
1818 (create_variable_info_for_1): New piece.
1819 (intra_create_variable_infos): Properly make restrict constraints
1822 2010-04-28 Richard Guenther <rguenther@suse.de>
1825 * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
1827 2010-04-27 Manuel López-Ibáñez <manu@gcc.gnu.org>
1828 Jan Hubicka <hubicka@ucw.cz>
1830 * doc/invoke.texi (-Wsuggest-attribute=const,
1831 -Wsuggest-attribute=pure): Document.
1832 * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
1833 (function_always_visible_to_compiler_p,
1834 suggest_attribute, warn_function_pure, warn_function_const):
1836 (check_call): Improve debug info.
1837 (analyze_function): Do not check availability.
1838 (add_new_function): Check availability.
1839 (propagate): Output warnings.
1840 (skip_function_for_local_pure_const): New function.
1841 (local_pure_const): Use it; output warnings.
1842 * common.opt (Wsuggest-attribute=const,
1843 Wsuggest-attribute=pure): New.
1845 2010-04-27 Jakub Jelinek <jakub@redhat.com>
1847 * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
1848 force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
1849 or DW_CFA_def_cfa_offset{,_sf}.
1851 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
1853 * tree.h: Fix truncated long macros.
1855 2010-04-27 Kai Tietz <kai.tietz@onevision.com>
1857 * collect2.c (TARGET_64BIT): Redefine to target's default.
1858 * tlink.c: Likewise.
1859 * config/i386/cygming.h (USER_LABEL_PREFIX): Define
1860 dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
1861 * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
1862 for underscoring __USER_LABEL_PREFIX__.
1863 * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
1864 (SUB_LINK_ENTRY32): New.
1865 (SUB_LINK_ENTRY64): New.
1866 (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
1867 * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
1868 (SUB_LINK_ENTRY64): New.
1869 (SUB_LINK_ENTRY): New.
1870 (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
1871 (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
1872 x64 target is choosen.
1873 * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
1874 * configure: Regenerated.
1875 * configure.ac (leading-mingw64-underscores): Option added.
1877 2010-04-27 Jan Hubicka <jh@suse.cz>
1879 * doc/invoke.texi (-fipa-profile): Document.
1880 * opts.c (decode_options): Enable ipa-profile at -O1.
1881 * timevar.def (TV_IPA_PROFILE): Define.
1882 * common.opt (fipa-profile): Add.
1883 * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
1885 (cgraph_propagate_frequency): Handle only local ones.
1886 * tree-pass.h (pass_ipa_profile): Declare.
1887 * ipa-profile.c (gate_profile): Use flag_ipa_profile.
1888 (pass_ipa_profile): Use TV_IPA_PROFILE.
1889 * ipa.c (ipa_profile): New function.
1890 (gate_ipa_profile): Likewise.
1891 (pass_ipa_profile): New global variable.
1892 * passes.c (pass_ipa_profile): New.
1894 2010-04-27 Nathan Froyd <froydnj@codesourcery.com>
1896 * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
1898 2010-04-27 Martin Jambor <mjambor@suse.cz>
1901 * ipa.c (dissolve_same_comdat_group_list): New function.
1902 (function_and_variable_visibility): Call
1903 dissolve_same_comdat_group_list when comdat group contains external or
1905 * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
1906 lists are circular and that they contain only DECL_ONE_ONLY nodes.
1908 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
1910 * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
1911 (const_hash_1) <VECTOR_CST>: New case.
1912 (compare_constant) <VECTOR_CST>: Likewise.
1913 <ADDR_EXPR>: Deal with LABEL_REFs.
1914 (copy_constant) <VECTOR_CST>: New case.
1916 2010-04-27 Jan Hubicka <jh@suse.cz>
1918 * cgraph.c (cgraph_propagate_frequency): New function.
1919 * cgraph.h (cgraph_propagate_frequency): Declare.
1920 * ipa-inline.c (cgraph_clone_inlined_nodes): Call
1921 cgraph_propagate_frequency.
1923 2010-04-27 Jakub Jelinek <jakub@redhat.com>
1925 * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
1927 2010-04-27 Bernd Schmidt <bernds@codesourcery.com>
1930 * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
1931 (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
1932 here to determine which regs to push and how much stack to reserve.
1934 2010-04-27 Jie Zhang <jie@codesourcery.com>
1936 * doc/gimple.texi (gimple_statement_with_ops): Remove
1937 addresses_taken field.
1938 (gimple_statement_with_memory_ops): Likewise.
1940 2010-04-27 Jan Hubicka <jh@suse.cz>
1942 * tree-inline.c (eni_inlining_weights): Remove.
1943 (estimate_num_insns): Special case more builtins.
1945 2010-04-27 Shujing Zhao <pearly.zhao@oracle.com>
1948 * c-typeck.c (build_binary_op): Move forward check for comparison
1949 pointer with null pointer constant and adjust the diagnostic message.
1951 2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
1954 * configure.ac (gcc_cv_as_section_has_align): Set if installed
1955 binutils supports extended .section directive needed by LTO, or
1956 warn if older binutils found.
1957 (LTO_BINARY_READER): New AC_SUBST'd variable.
1958 (LTO_USE_LIBELF): Likewise.
1959 * gcc/config.gcc (lto_binary_reader): New target-specific configure
1961 * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
1962 (LTO_USE_LIBELF): Likewise.
1963 * configure: Regenerate.
1965 * collect2.c (is_elf): Rename from this ...
1966 (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
1967 object files in addition to ELF-formatted ones.
1968 (scan_prog_file): Caller updated. Also allow for LTO info marker
1969 symbol to be prefixed or not by an extra underscore.
1971 * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
1972 * config/i386/winnt.c: Also #include lto-streamer.h
1973 (i386_pe_asm_named_section): Specify 1-byte section alignment for
1975 (i386_pe_asm_output_aligned_decl_common): Add comment.
1976 (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
1978 2010-04-27 Hans-Peter Nilsson <hp@bitrange.com>
1981 * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
1982 Add missing earlyclobber for second alternative.
1984 2010-04-26 Bernd Schmidt <bernds@codesourcery.com>
1986 * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
1987 bits for artificial defs at the top of the block.
1988 * fwprop.c (single_def_use_enter_block): Don't call it.
1990 2010-04-26 Jack Howarth <howarth@bromo.med.uc.edu>
1993 * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
1994 instead of "$gcc_cv_objdump -T".
1995 Use "-undefined dynamic_lookup" on darwin.
1996 * gcc/configure: Regenerate.
1998 2010-04-26 Jakub Jelinek <jakub@redhat.com>
2001 * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
2003 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
2005 * c-parser.c (struct c_token): Move location field up.
2006 * c-tree.h (struct c_typespec): Move expr_const_operands field up.
2007 (struct c_declspecs): Convert typespec_word, storage_class, and
2008 default_int_p into bitfields.
2009 (struct c_declarator): Move loc field up.
2011 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
2013 * cfgloop.h (struct loop): Move can_be_parallel field up.
2014 * ipa-prop.h (struct ip_node_params): Move bitfields up.
2015 * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
2017 (struct iv_cand): Convert pos field into a bitfield.
2018 * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
2020 (struct _stmt_vec_info): Shuffle fields for better packing.
2022 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
2024 * varasm.c (IN_NAMED_SECTION): Remove guard.
2025 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
2026 (IN_NAMED_SECTION_P): ...this.
2027 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
2028 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
2030 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
2032 * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
2033 Use VOID_TYPE_P for all void type tests. Adjust TYPE variable instead
2034 of shadowing it. Fix comments.
2036 2010-04-26 Jan Hubicka <jh@suse.cz>
2038 * cgraph.c (cgraph_create_node): Set node frequency to normal.
2039 (cgraph_clone_node): Copy function frequency.
2040 * cgraph.h (node_frequency): New enum
2041 (struct cgraph_node): Add.
2042 * final.c (rest_of_clean_state): Update.
2043 * lto-cgraph.c (lto_output_node): Output node frequency.
2044 (input_overwrite_node): Input node frequency.
2045 * tre-ssa-loop-ivopts (computation_cost): Update.
2046 * lto-streamer-out.c (output_function): Do not output function
2048 * predict.c (maybe_hot_frequency_p): Update and handle functions
2050 (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
2052 (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
2053 (compute_function_frequency): Set noreturn functions to be executed
2055 (choose_function_section): Update.
2056 * lto-streamer-in.c (input_function): Do not input function frequency.
2057 * function.c (allocate_struct_function): Do not initialize function
2059 * function.h (function_frequency): Remove.
2060 (struct function): Remove function frequency.
2061 * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
2062 (try_update): Update.
2063 * tree-inline.c (initialize_cfun): Do not update function frequency.
2064 * passes.c (pass_init_dump_file): Update.
2065 * i386.c (ix86_compute_frame_layout): Update.
2066 (ix86_pad_returns): Update.
2068 2010-04-26 Jie Zhang <jie@codesourcery.com>
2070 PR tree-optimization/43833
2071 * tree-vrp.c (range_int_cst_p): New.
2072 (range_int_cst_singleton_p): New.
2073 (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
2074 when both operands are constants. Use range_int_cst_p in
2077 2010-04-26 Jan Hubicka <jh@suse.cz>
2079 * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
2081 2010-04-26 Richard Guenther <rguenther@suse.de>
2084 * gimple.c (gimple_decl_printable_name): Deal gracefully
2085 with a NULL DECL_NAME.
2087 2010-04-26 Richard Guenther <rguenther@suse.de>
2090 * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
2091 if emitting debug information and it is either a function
2092 or a namespace decl.
2094 2010-04-26 Ira Rosen <irar@il.ibm.com>
2096 * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
2097 determine if the statement is vectorizable, and a macro to access it.
2098 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2099 Skip statements that can't be vectorized. If the analysis fails,
2100 mark the statement as unvectorizable if vectorizing basic block.
2101 (vect_compute_data_refs_alignment): Likewise.
2102 (vect_verify_datarefs_alignment): Skip statements marked as
2103 unvectorizable. Add print.
2104 (vect_analyze_group_access): Skip statements that can't be
2105 vectorized. If the analysis fails, mark the statement as
2106 unvectorizable if vectorizing basic block.
2107 (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
2108 * tree-vect-stmts.c (vectorizable_store): Fix the number of
2109 generated stmts for SLP.
2110 (new_stmt_vec_info): Initialize the new field.
2111 * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
2112 statements marked as unvectorizable.
2114 2010-04-25 Joseph Myers <joseph@codesourcery.com>
2116 * c-common.c (flag_isoc1x): New.
2117 (flag_isoc99): Update comment.
2118 * c-common.h (flag_isoc1x): New.
2119 (flag_isoc99): Update comment.
2120 * c-cppbuiltin.c (builtin_define_float_constants): Also define
2121 __<type>_DECIMAL_DIG__.
2122 * c-opts.c (set_std_c1x): New.
2123 (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
2124 (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
2125 * c.opt (-std=c1x, -std=gnu1x): New options.
2126 * doc/cpp.texi: Mention -std=c1x.
2127 * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
2128 * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
2129 * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
2130 * doc/standards.texi: Mention C1X.
2131 * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
2132 LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
2133 LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
2136 2010-04-25 Uros Bizjak <ubizjak@gmail.com>
2138 * config/i386/gmon-sol2.c (_mcleanup): Change format string
2139 placeholder from 0x%x to %#x.
2140 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
2141 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
2142 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
2143 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
2144 * config/i386/i386.c (ix86_target_string): Ditto.
2145 (output_pic_addr_const): Ditto.
2146 (print_operand): Ditto.
2148 2010-04-25 Paolo Bonzini <bonzini@gnu.org>
2150 * combine.c (find_split_point): Add third argument. Use it
2151 to find nested multiply-accumulate instructions. Adjust calls.
2152 (try_combine): Adjust call to find_split_point.
2154 2010-04-24 Gerald Pfeifer <gerald@pfeifer.com>
2156 * doc/contrib.texi (Contributors): Add Dodji Seketeli.
2158 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
2160 PR tree-optimization/41442
2161 * fold-const.c (merge_truthop_with_opposite_arm): New function.
2162 (fold_binary_loc): Call it.
2164 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
2166 * toplev.c (general_init): Set default for fdiagnostics-show-option.
2167 * opts.c (common_handle_option): Allow disabling it.
2168 * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
2170 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
2172 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
2173 between modes if both types are integral.
2175 2010-04-23 Richard Guenther <rguenther@suse.de>
2177 PR tree-optimization/43572
2178 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
2180 2010-04-23 Richard Guenther <rguenther@suse.de>
2183 * tree-inline.c (tree_can_inline_p): Also check compatibility
2186 2010-04-23 Martin Jambor <mjambor@suse.cz>
2188 PR tree-optimization/43846
2189 * tree-sra.c (struct access): New flag grp_assignment_read.
2190 (build_accesses_from_assign): Set grp_assignment_read.
2191 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
2192 (enum mark_read_status): New type.
2193 (analyze_access_subtree): Propagate grp_assignment_read, create
2194 accesses also if both direct_read and root->grp_assignment_read.
2196 2010-04-23 Martin Jambor <mjambor@suse.cz>
2199 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
2200 function does not have type attributes.
2202 2010-04-23 Richard Guenther <rguenther@suse.de>
2205 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
2208 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2210 * sese.h (create_if_region_on_edge): Remove.
2212 * sese.c (create_if_region_on_edge): Make static.
2214 * tree-inline.c: Do not include ggc.h.
2216 * expr.c: Do not include ggc.h.
2218 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
2221 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
2224 * config/sh/sh.c (find_barrier): Don't emit a constant pool
2225 in the middle of insns for casesi_worker_2.
2227 2010-04-22 David Edelsohn <edelsohn@gnu.org>
2229 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
2231 2010-04-22 Ira Rosen <irar@il.ibm.com>
2233 PR tree-optimization/43842
2234 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
2235 loop unrolling in update of exit phis. Fix comment.
2236 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
2237 least two reduction statements in the loop before starting SLP
2240 2010-04-22 Nick Clifton <nickc@redhat.com>
2242 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
2244 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
2246 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
2249 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2251 * tree-parloops.c (loop_parallel_p): New argument
2252 parloop_obstack. Pass it down.
2253 (parallelize_loops): New variable parloop_obstack. Initialize it,
2254 pass it down, free it.
2256 * tree-loop-linear.c (linear_transform_loops): Pass down
2259 * tree-data-ref.h (lambda_compute_access_matrices): New argument
2260 of type struct obstack *.
2262 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
2263 scratch_obstack. Initialize it, pass down, free it.
2265 * lambda.h (lambda_loop_new): Remove.
2266 (lambda_matrix_new, lambda_matrix_inverse)
2267 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
2268 argument of type struct obstack *.
2270 * lambda-trans.c (lambda_trans_matrix_new): New argument
2271 lambda_obstack. Pass it down, use obstack allocation for ret.
2272 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
2275 * lambda-mat.c (lambda_matrix_get_column)
2276 (lambda_matrix_project_to_null): Remove.
2277 (lambda_matrix_new): New argument lambda_obstack. Use obstack
2279 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
2282 * lambda-code.c (lambda_loop_new): New function.
2283 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
2284 (lambda_compute_auxillary_space, lambda_compute_target_space)
2285 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
2286 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
2287 (build_access_matrix): New argument lambda_obstack. Use obstack
2289 (lambda_compute_step_signs, lambda_compute_access_matrices): New
2290 argument lambda_obstack. Pass it down.
2292 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
2294 * optabs.h (expand_widening_mult): Declare.
2296 2010-04-22 Richard Guenther <rguenther@suse.de>
2298 PR tree-optimization/43845
2299 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
2300 lookup the CALL_EXPR function and arguments.
2302 2010-04-22 Nick Clifton <nickc@redhat.com>
2304 * config/stormy16/stormy16.c
2305 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
2306 * config/stormy16/stormy16.h: Tidy up formatting.
2307 (DONT_USE_BUILTIN_SETJMP): Remove definition.
2308 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
2309 (ineqbranchsi): Delete pattern.
2310 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
2311 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
2312 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
2313 stormy16-lib2-ucmpsi2.c.
2315 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
2317 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
2318 df_simulate_find_noclobber_defs as appropriate. Keep track of an
2319 extra set merge_set_noclobber, and use it to relax the final test
2321 * df.h (df_simulate_find_noclobber_defs): Declare.
2322 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
2324 (df_simulate_find_noclobber_defs): New function.
2326 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
2328 * config/i386/i386.md: Use {} around multi-line preparation statements.
2330 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2332 * c-tree.h (push_init_level, pop_init_level, set_init_index)
2333 (process_init_element): New argument of type struct obstack *.
2335 * c-typeck.c (push_init_level, pop_init_level, set_designator)
2336 (set_init_index, set_init_label, set_nonincremental_init)
2337 (set_nonincremental_init_from_string, find_init_member)
2338 (output_init_element, output_pending_init_elements)
2339 (process_init_element): New argument braced_init_obstack. Pass it
2341 (push_range_stack, add_pending_init): New argument
2342 braced_init_obstack. Use obstack allocation.
2344 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
2345 braced_init_obstack. Pass it down.
2346 (c_parser_braced_init): New variables ret, braced_init_obstack.
2347 Initialize obstack, pass it down and finally free it.
2349 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
2352 * tree-pass.h (pass_optimize_widening_mul): Declare.
2353 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
2354 gate_optimize_widening_mul): New static functions.
2355 (pass_optimize_widening_mul): New.
2356 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
2357 <case MULT_EXPR>: Remove support for widening multiplies.
2358 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
2359 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
2360 simplify_gen_unary rather than directly building extensions.
2361 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
2363 * expmed.c (expand_widening_mult): New function.
2364 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
2366 2010-04-21 Jan Hubicka <jh@suse.cz>
2368 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
2369 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
2370 * lto-wpa-fixup.c: Remove.
2371 * Makefile.in (lto-wpa-fixup.o): Remove.
2372 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
2373 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
2374 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
2376 2010-04-21 Jan Hubicka <jh@suse.cz>
2378 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
2379 add write_optimization_summary, read_optimization_summary.
2380 (ipa_write_summaries_of_cgraph_node_set): Remove.
2381 (ipa_write_optimization_summaries): Declare.
2382 (ipa_read_optimization_summaries): Declare.
2383 * ipa-cp.c (pass_ipa_cp): Update.
2384 * ipa-reference.c (pass_ipa_reference): Update.
2385 * ipa-pure-const.c (pass_ipa_pure_const): Update.
2386 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
2388 * ipa-inline.c (pass_ipa_inline): Update.
2389 * ipa.c (pass_ipa_whole_program): Update.
2390 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
2391 * passes.c (ipa_write_summaries_1): Do not test wpa.
2392 (ipa_write_optimization_summaries_1): New.
2393 (ipa_write_optimization_summaries): New.
2394 (ipa_read_summaries): Do not test ltrans.
2395 (ipa_read_optimization_summaries_1): New.
2396 (ipa_read_optimization_summaries): New.
2398 2010-04-21 Jan Hubicka <jh@suse.cz>
2400 * lto-cgraph.c (lto_output_node): Do not output comdat groups
2402 (output_cgraph): Do not arrange comdat groups for boundary nodes.
2404 2010-04-21 Jakub Jelinek <jakub@redhat.com>
2407 * dwarf2out.c (add_name_and_src_coords_attributes): Add
2408 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
2410 2010-04-21 Jan Hubicka <jh@suse.cz>
2412 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
2414 2010-04-21 Jan Hubicka <jh@suse.cz>
2416 * varpool.c (decide_is_variable_needed): Variable is always needed
2419 2010-04-21 Jan Hubicka <jh@suse.cz>
2421 * opts.c (decode_options): Enable pure-const pass for whopr.
2423 2010-04-21 Jan Hubicka <jh@suse.cz>
2425 * cgraph.c (dump_cgraph_node): Dump also assembler name.
2426 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
2428 (cgraph_decide_inlining): Do not expect callee to be removed in all
2431 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
2433 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
2435 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
2437 * config/i386/i386.md (x86_shrd): Add athlon_decode and
2438 amdfam10_decode attributes.
2440 2010-04-21 Jakub Jelinek <jakub@redhat.com>
2443 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
2444 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
2445 (lower_copyprivate_clauses): Use private var in outer
2446 context instead of original var. Make sure the types
2447 are correct for VLAs.
2449 2010-04-21 Richard Guenther <rguenther@suse.de>
2451 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
2452 to non-pointer objects.
2454 2010-04-21 Jakub Jelinek <jakub@redhat.com>
2456 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
2457 last chain entry if it starts with the still current label.
2458 (add_location_or_const_value_attribute): Check that
2459 loc_list->first->next is NULL instead of comparing ->first with ->last.
2460 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
2461 to add_var_loc_to_decl.
2463 * dwarf2out.c (output_call_frame_info): For dw_cie_version
2464 >= 4 add also address size and segment size fields into CIE header.
2466 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
2467 long as address size is the same as sizeof (void *) and
2469 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
2470 address size or segment size is unexpected, return DW_EH_PE_omit.
2471 (classify_object_over_fdes): If get_cie_encoding returned
2472 DW_EH_PE_omit, return -1.
2473 (init_object): If classify_object_over_fdes returned -1,
2474 pretend there were no FDEs at all.
2476 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
2478 * config/i386/i386.md (bswap<mode>2): Macroize expander from
2479 bswap{si,di}2 using SWI48 mode iterator.
2480 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
2481 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
2482 set modrm attribute of bswap insn to 0 and remove length attribute.
2483 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
2484 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
2485 set mode attribute to <MODE> and remove length attribute.
2487 2010-04-20 James E. Wilson <wilson@codesourcery.com>
2489 PR rtl-optimization/43520
2490 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
2491 zero available registers.
2493 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2495 * builtins.c (fold_builtin_cproj): Fold more cases.
2497 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2499 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
2500 (fold_builtin_1): Fold builtin cproj.
2501 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
2502 Use ATTR_CONST_NOTHROW_LIST.
2504 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
2506 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
2507 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
2508 ffsi2_no_cmove for !TARGET_CMOVE.
2509 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
2510 (ffssi2): Remove expander.
2511 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
2513 (ctz<mode>2): Ditto from ctz{si,di}2.
2514 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
2516 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
2519 2010-04-20 Jakub Jelinek <jakub@redhat.com>
2521 * dwarf2out.c (AT_linkage_name): Define.
2522 (clone_as_declaration): Handle DW_AT_linkage_name.
2523 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
2524 of DW_AT_MIPS_linkage_name.
2525 (move_linkage_attr): Likewise.
2526 (dwarf2out_finish): Likewise.
2528 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
2531 * fold-const.c (fold_comparison): New folding rule.
2533 2010-04-20 Anatoly Sokolov <aesok@post.ru>
2535 * double-int.h (double_int_setbit): Declare.
2536 * double-int.c (double_int_setbit): New function.
2537 * rtl.h (immed_double_int_const): Declare.
2538 * emit-rtl.c (immed_double_int_const): New function.
2539 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
2540 and immed_double_int_const functions.
2541 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
2542 expand_copysign_bit): (Ditto.).
2543 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
2544 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
2545 * dojump.c (prefer_and_bit_test): (Ditto.).
2546 * expr.c (convert_modes, reduce_to_bit_field_precision,
2547 const_vector_from_tree): (Ditto.).
2548 * expmed.c (mask_rtx, lshift_value): (Ditto.).
2550 2010-04-20 Jan Hubicka <jh@suse.cz>
2552 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
2553 (dump_cgraph_node): Dump new flags.
2554 * cgraph.h (struct cgraph_node): Add flags
2555 reachable_from_other_partition and in_other_partition.
2556 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
2557 other partition can not be removed.
2558 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
2559 the other partition must be output; silence sanity checking on
2560 leaking functions bodies from other paritition.
2561 * lto-cgraph.c (reachable_from_other_partition_p): New function.
2562 (lto_output_node): Output new flags; do not sanity check that inline
2563 clones are output; drop lto_forced_extern_inline_p code; do not mock
2564 visibility flags at partition boundaries.
2565 (add_node_to): New function.
2566 (output_cgraph): Use it to sort functions so masters appear before
2568 (input_overwrite_node): Input new flags.
2569 * passes.c (ipa_write_summaries): Do not call
2570 lto_new_extern_inline_states.
2571 * lto-section-out.c (forced_extern_inline,
2572 lto_new_extern_inline_states lto_delete_extern_inline_states,
2573 lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
2574 * lto-streamer.h (lto_new_extern_inline_states,
2575 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
2576 lto_forced_extern_inline_p): Kill.
2578 2010-04-20 Richard Guenther <rguenther@suse.de>
2580 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
2581 from vars that can have pointers.
2582 (process_constraint): Dump useless constraints.
2584 2010-04-20 Richard Guenther <rguenther@suse.de>
2586 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
2587 (dump_sa_points_to_info): Remove asserts.
2588 (init_base_vars): nothing_id isn't an escape point nor does it
2591 2010-04-20 Jakub Jelinek <jakub@redhat.com>
2593 * tree.h (TYPE_REF_IS_RVALUE): Define.
2594 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
2595 should_move_die_to_comdat, prune_unused_types_walk): Handle
2596 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
2597 (modified_type_die, gen_reference_type_die): Emit
2598 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
2599 if TYPE_REF_IS_RVALUE and -gdwarf-4.
2601 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2604 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
2605 calls for -fpic -m31 if they have been sibcall optimized.
2607 2010-04-19 James E. Wilson <wilson@codesourcery.com>
2609 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
2610 ar.lc fixed and call-used.
2612 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
2614 2010-04-19 Jan Hubicka <jh@suse.cz>
2616 * opts.c (decode_options): Disable whpr incompatible passes.
2617 * lto/lto.c (lto_1_to_1_map): Skip clones.
2618 (read_cgraph_and_symbols): Do not mark everything as needed.
2619 (do_whole_program_analysis): Do map only after optimizing;
2620 set proper cgraph_state; use passmanager.
2622 2010-04-19 DJ Delorie <dj@redhat.com>
2624 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
2625 POINTER_PLUS_EXPR and fix them.
2627 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
2629 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
2630 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
2631 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
2632 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
2633 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
2634 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
2635 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
2636 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
2637 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
2638 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
2639 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
2641 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
2643 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
2644 (check_cond_move_block): Likewise.
2645 (cond_move_process_if_block): Likewise.
2646 (noce_find_if_block): Improve formatting.
2647 (find_if_header): Pass 0 to memset and tweak conditions.
2648 (cond_exec_find_if_block): Fix long lines and tweak conditions.
2650 2010-04-19 Jakub Jelinek <jakub@redhat.com>
2652 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
2656 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
2657 with non-local decl doesn't need chain.
2659 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
2661 * ira-color.c (allocno_reload_assign): Avoid accumulating
2662 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
2664 2010-04-19 Martin Jambor <mjambor@suse.cz>
2666 * gimple.h (create_tmp_reg): Declare.
2667 * gimplify.c (create_tmp_reg): New function.
2668 (gimplify_return_expr): Use create_tmp_reg.
2669 (gimplify_omp_atomic): Likewise.
2670 (gimple_regimplify_operands): Likewise.
2671 * tree-dfa.c (make_rename_temp): Likewise.
2672 * tree-predcom.c (predcom_tmp_var): Likewise.
2673 (reassociate_to_the_same_stmt): Likewise.
2674 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
2675 (get_replaced_param_substitute): Likewise.
2676 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
2677 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
2678 * tree-ssa-pre.c (get_representative_for): Likewise.
2679 (create_expression_by_pieces): Likewise.
2680 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
2681 (create_tailcall_accumulator): Likewise.
2683 2010-04-19 Martin Jambor <mjambor@suse.cz>
2685 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
2687 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
2689 2010-04-19 Richard Guenther <rguenther@suse.de>
2691 PR tree-optimization/43796
2692 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
2693 from SCEV in the lattice.
2694 (vrp_visit_phi_node): Dump change.
2696 2010-04-19 Richard Guenther <rguenther@suse.de>
2698 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
2699 * configure: Re-generated.
2701 2010-04-19 Richard Guenther <rguenther@suse.de>
2703 PR tree-optimization/43783
2704 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
2705 constant ARRAY_REF operands two and three if possible.
2707 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
2710 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
2712 2010-04-19 Jie Zhang <jie@codesourcery.com>
2715 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
2717 2010-04-19 Ira Rosen <irar@il.ibm.com>
2719 PR tree-optimization/37027
2720 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
2721 and macro to access it.
2722 (vectorizable_reduction): Add argument.
2723 (vect_get_slp_defs): Likewise.
2724 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
2725 statements for possible use in SLP.
2726 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
2727 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
2728 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
2730 (vectorizable_reduction): Likewise.
2731 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
2733 (vectorizable_type_demotion, vectorizable_type_promotion,
2734 vectorizable_store): Likewise.
2735 (vect_analyze_stmt): Update call to vectorizable_reduction.
2736 (vect_transform_stmt): Likewise.
2737 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
2738 (vect_build_slp_tree): Fix indentation. Check that there are no loads
2739 from different interleaving chains in same node.
2740 (vect_slp_rearrange_stmts): New function.
2741 (vect_supported_load_permutation_p): Allow load permutations for
2742 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
2743 inside SLP nodes if necessary.
2744 (vect_analyze_slp_instance): Handle reductions.
2745 (vect_analyze_slp): Try to build SLP instances originating from groups
2747 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
2748 (vect_get_constant_vectors): Create initial vectors for reductions
2749 according to reduction code. Add new argument.
2750 (vect_get_slp_defs): Add new argument, pass it to
2751 vect_get_constant_vectors.
2752 (vect_schedule_slp_instance): Remove SLP tree root statements.
2754 2010-04-19 Jakub Jelinek <jakub@redhat.com>
2756 * tree.h (ENUM_IS_SCOPED): Define.
2757 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
2758 for ENUM_IS_SCOPED enums.
2760 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
2762 * fold-const.c (fold_comparison): Use ssizetype.
2763 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
2764 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
2765 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
2766 * tree-object-size.c (compute_object_sizes): Use size_type_node.
2768 * tree.h (initialize_sizetypes): Remove parameter.
2769 (build_common_tree_nodes): Remove second parameter.
2770 * stor-layout.c (initialize_sizetypes): Remove parameter.
2771 Always create an unsigned type.
2772 (set_sizetype): Assert that the passed type is unsigned and simplify.
2773 * tree.c (build_common_tree_nodes): Remove second parameter.
2774 Adjust call to initialize_sizetypes.
2775 * c-decl.c (c_init_decl_processing): Remove second argument in call to
2776 build_common_tree_nodes.
2778 2010-04-18 Matthias Klose <doko@ubuntu.com>
2780 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
2782 2010-04-18 Ira Rosen <irar@il.ibm.com>
2784 PR tree-optimization/43771
2785 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
2786 load permutation doesn't have gaps.
2788 2010-04-18 Jan Hubicka <jh@suse.cz>
2790 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
2791 (sse_prologue_save_insn expander): Use new pattern.
2792 (sse_prologue_save_insn1): New pattern and splitter.
2793 (sse_prologue_save_insn): Update to deal also with 64bit aligned
2795 * i386.c (setup_incoming_varargs_64): Do not compute jump
2797 (ix86_gimplify_va_arg): Update alignment needed.
2798 (ix86_local_alignment): Do not align all local arrays to 128bit.
2800 2010-04-17 Jan Hubicka <jh@suse.cz>
2802 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
2804 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
2806 * arm.md (negdi2): Remove redundant code to force values into a
2809 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
2811 * arm/bpabi.S: Add EABI alignment attributes to objects.
2812 * arm/bpabi-v6m.S: Likewise.
2813 * arm/crti.asm: Likewise.
2814 * arm/crtn.asm: Likewise.
2815 * arm/lib1funcs.asm: Likewise.
2816 * arm/libunwind.S: Likewise.
2818 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
2820 * arm-protos.h (tune_params): New structure.
2821 * arm.c (current_tune): New variable.
2822 (arm_constant_limit): Delete.
2823 (struct processors): Add pointer to the tune parameters.
2824 (arm_slowmul_tune): New tuning option.
2825 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
2826 (all_cores): Adjust to pick up the tuning model.
2827 (arm_constant_limit): New function.
2828 (arm_override_options): Select the appropriate tuning model. Delete
2829 initialization of arm_const_limit.
2830 (arm_split_constant): Use the new constant-limit model.
2831 (arm_rtx_costs): Pick up the current tuning model.
2832 * arm.md (is_strongarm, is_xscale): Delete.
2833 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
2834 for Xscale variant architectures.
2835 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
2837 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2839 * config/arm/arm.c (arm_gen_constant): Remove unused variable
2841 (arm_rtx_costs_1): Remove unused variable extra_cost.
2842 (arm_unwind_emit_set): Use variable offset.
2843 (thumb1_output_casesi): Remove unused variable flags.
2845 2010-04-16 Jeff Law <law@redhat.com>
2847 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
2848 needing assignment rather than doing a two-phase assignment. Remove
2849 unused variable 'm'.
2851 2010-04-16 Jakub Jelinek <jakub@redhat.com>
2854 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
2856 2010-04-16 Doug Kwan <dougkwan@google.com>
2858 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
2859 (next_operand_entry_id): New static variable.
2860 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
2861 (add_to_ops_vec): Assigned unique ID to operand entry.
2862 (struct oecount_s): New field ID.
2863 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
2864 (undistribute_ops_list): Assign unique IDs to oecounts.
2865 (init_reassoc): reset next_operand_entry_id.
2867 2010-04-16 Doug Kwan <dougkwan@google.com>
2869 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
2870 missing left parenthesis.
2872 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
2874 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
2875 *btdi_rex64 using SWI48 mode iterator.
2876 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
2877 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
2878 *jcc_btdi_mask_rex64.
2880 2010-04-16 Anatoly Sokolov <aesok@post.ru>
2882 * double-int.h (tree_to_double_int): Convert to macro.
2883 * double-int.c (tree_to_double_int): Remove.
2885 2010-04-16 Jakub Jelinek <jakub@redhat.com>
2888 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
2889 with want_address 2 and in case a single element list might be
2890 possible, call it again with want_address 0.
2892 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
2894 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
2895 case 'W' print operands for HI mode.
2896 * config/h8300/h8300.h (Y0, Y2) : New constraints.
2897 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
2898 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
2899 * config/h8300/predicate.md (bit_register_indirect_operand): New.
2901 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
2903 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
2904 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
2905 #xx:3 and #xx:4 mode.
2907 * config/h8300/h8300.md (inverted load with HImode dest): Add
2908 support for H8300SX.
2910 * config/h8300/predicate.md (bit_operand): Allow immediate values that
2911 satisfy 'U' constraint.
2913 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2915 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
2916 * configure: Regenerate.
2917 * config.in: Regenerate.
2918 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
2921 2010-04-16 Richard Guenther <rguenther@suse.de>
2923 * tree.h (struct tree_decl_minimal): Move pt_uid ...
2924 (struct tree_decl_common): ... here.
2925 (DECL_PT_UID): Adjust.
2926 (SET_DECL_PT_UID): Likewise.
2927 (DECL_PT_UID_SET_P): Likewise.
2929 2010-04-16 Richard Guenther <rguenther@suse.de>
2931 PR tree-optimization/43572
2932 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
2933 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
2934 * tree-flow.h (is_call_clobbered): Remove.
2935 * tree-flow-inline.h (is_call_clobbered): Likewise.
2936 * tree-dfa.c (dump_variable): Do not dump call clobber state.
2937 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
2938 (execute_return_slot_opt): Adjust.
2939 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
2940 check for call clobbered vars here.
2941 (find_tail_calls): Move tailcall verification to the
2944 2010-04-16 Diego Novillo <dnovillo@google.com>
2946 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
2948 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
2951 * config/arm/arm.md (cbranchqi4): New pattern.
2952 * config/arm/predicates.md (const0_operand,
2953 cbranchqi4_comparison_operator): New predicates.
2955 2010-04-16 Richard Guenther <rguenther@suse.de>
2957 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
2958 (dump_gimple_stmt): Likewise.
2960 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
2962 * recog.h (struct recog_data): New field is_operator.
2963 (struct insn_operand_data): New field is_operator.
2964 * recog.c (extract_insn): Set recog_data.is_operator.
2965 * genoutput.c (output_operand_data): Emit code to set the
2967 * reload.c (find_reloads): Use it rather than testing for an
2968 empty constraint string.
2971 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
2972 If the previous insn is a cbranchsi4_insn with the same arguments,
2973 omit the compare instruction.
2975 * config/arm/arm.md (addsi3_cbranch): If destination is a high
2976 register, inputs must be low registers and we need a low register
2977 scratch. Handle alternative 2 like alternative 3.
2979 2010-04-16 Jakub Jelinek <jakub@redhat.com>
2981 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
2982 don't call get_addr on both. If one expression is a VALUE and
2983 the other a REG, check VALUE's locs if the REG isn't among them.
2985 2010-04-16 Christian Bruel <christian.bruel@st.com>
2987 * config/sh/sh.h (sh_frame_pointer_required): New function.
2988 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
2989 (flag_omit_frame_pointer) Set.
2990 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
2991 (rounded_frame_size): Adjust size with outgoing_args_size.
2992 (sh_set_return_address): Must return from stack pointer.
2993 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
2994 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
2995 (ACCUMULATE_OUTGOING_ARGS): Define.
2996 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
2997 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
2999 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
3002 * config/sh/sh.c (sh_legitimize_reload_address): Use
3003 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
3004 Remove a unneeded check for offset_base.
3006 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
3008 * configure: Regenerated.
3010 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3012 * config/s390/s390.c (s390_call_save_register_used): Switch back
3013 to HARD_REGNO_NREGS.
3015 2010-04-15 Richard Guenther <rguenther@suse.de>
3017 * alias.c (alias_set_subset_of): Handle alias-set zero
3020 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
3021 Julian Brown <julian@codesourcery.com>
3023 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
3024 alternatives according to use of high and low regs.
3025 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
3026 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
3027 optimizing for size on Thumb-2.
3029 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
3031 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
3033 2010-04-15 Richard Guenther <rguenther@suse.de>
3035 * tree-ssa-structalias.c (struct variable_info): Add
3037 (new_var_info): Initialize it.
3038 (dump_constraints): Support printing last added constraints.
3039 (debug_constraints): Adjust.
3040 (dump_constraint_graph): Likewise.
3041 (make_heapvar_for): Check for NULL cfun.
3042 (get_function_part_constraint): New function.
3043 (get_fi_for_callee): Likewise.
3044 (find_func_aliases): Properly implement IPA PTA constraints.
3045 (process_ipa_clobber): New function.
3046 (find_func_clobbers): Likewise.
3047 (insert_into_field_list_sorted): Remove.
3048 (create_function_info_for): Properly allocate vars for IPA mode.
3049 Do not use insert_into_field_list_sorted.
3050 (create_variable_info_for): Properly generate constraints for
3051 global vars in IPA mode.
3052 (dump_solution_for_var): Always dump the solution.
3053 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
3054 (find_what_var_points_to): Adjust.
3055 (pt_solution_set): Change.
3056 (pt_solution_ior_into): New function.
3057 (pt_solution_empty_p): Export.
3058 (pt_solution_includes_global): Adjust.
3059 (pt_solution_includes_1): Likewise.
3060 (pt_solutions_intersect_1): Likewise.
3061 (dump_sa_points_to_info): Check some invariants.
3062 (solve_constraints): Move constraint dumping ...
3063 (compute_points_to_sets): ... here.
3064 (ipa_pta_execute): ... and here.
3065 (compute_may_aliases): Do not re-compute points-to info
3066 locally if IPA info is available.
3067 (ipa_escaped_pt): New global var.
3068 (ipa_pta_execute): Properly implement IPA PTA.
3069 * tree-into-ssa.c (dump_decl_set): Support dumping
3070 decls not in referenced-vars.
3071 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
3072 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
3073 (dump_points_to_solution): Likewise.
3074 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
3075 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
3076 (remap_gimple_stmt): Reset call clobber/use information if necessary.
3077 (copy_decl_to_var): Copy DECL_PT_UID.
3078 (copy_result_decl_to_var): Likewise.
3079 * tree.c (make_node_stat): Initialize DECL_PT_UID.
3080 (copy_node_stat): Copy it.
3081 * tree.h (DECL_PT_UID): New macro.
3082 (SET_DECL_PT_UID): Likewise.
3083 (DECL_PT_UID_SET_P): Likewise.
3084 (struct tree_decl_minimal): Add pt_uid member.
3085 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
3086 (pt_solution_empty_p): Declare.
3087 (pt_solution_set): Adjust.
3088 (ipa_escaped_pt): Declare.
3089 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
3090 * gimple-pretty-print.c (pp_points_to_solution): New function.
3091 (dump_gimple_call): Dump call clobber/use information.
3092 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
3093 * tree-pass.h (TDF_ALIAS): New dump option.
3094 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
3095 * doc/invoke.texi (-fipa-pta): Update documentation.
3097 2010-04-15 Richard Guenther <rguenther@suse.de>
3099 * Makefile.in (OBJS-common): Add gimple-fold.o.
3100 (gimple-fold.o): New rule.
3101 * tree.h (maybe_fold_offset_to_reference,
3102 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
3104 * gimple.h: ... here.
3105 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
3106 may_propagate_address_into_dereference): Move prototypes ...
3107 * gimple.h: ... here.
3108 * tree-ssa-ccp.c (get_symbol_constant_value,
3109 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
3110 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
3111 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
3112 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
3113 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
3114 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
3115 gimplify_and_update_call_from_tree): Move ...
3116 * gimple-fold.c: ... here. New file.
3117 (ccp_fold_builtin): Rename to ...
3118 (gimple_fold_builtin): ... this.
3119 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
3121 2010-04-15 Richard Guenther <rguenther@suse.de>
3123 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
3124 fit_double_type, force_fit_type_double, add_double_with_sign,
3125 neg_double, mul_double_with_sign, lshift_double, rshift_double,
3126 lrotate_double, rrotate_double, div_and_round_double): Move ...
3127 * double-int.c: ... here.
3128 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
3129 add_double, neg_double, mul_double_with_sign, mul_double,
3130 lshift_double, rshift_double, lrotate_double, rrotate_double,
3131 div_and_round_double): Move prototypes ...
3132 * double-int.h: ... here.
3134 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
3137 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
3138 matching constraints to ensure inputs match the output.
3140 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
3143 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
3144 in an input-only operand.
3146 2010-04-15 Anatoly Sokolov <aesok@post.ru>
3148 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
3149 (double_int_not, double_int_lshift, double_int_rshift): Declare.
3150 (double_int_negative_p): Convert to static inline function.
3151 * double-int.c (double_int_lshift, double_int_lshift): New functions.
3152 (double_int_negative_p): Remove.
3153 * tree.h (lshift_double, rshift_double):
3154 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
3155 * fold-const.c (fold_convert_const_int_from_real,
3156 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
3157 (lshift_double): Change type of arith argument to bool.
3158 (rshift_double): Change type of arith argument to bool. Correct
3160 * expmed.c (mask_rtx, lshift_value): (Ditto.).
3162 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
3165 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
3166 at the start and end of the then/else blocks, and omit them from the
3168 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
3169 argument; all callers changed. Pass zero to old_insns_match_p instead.
3170 (flow_find_head_matching_sequence): New function.
3171 (old_insns_match_p): Check REG_EH_REGION notes for calls.
3172 * basic-block.h (flow_find_cross_jump,
3173 flow_find_head_matching_sequence): Declare functions.
3175 2010-04-14 Jason Merrill <jason@redhat.com>
3178 * c-common.c (attribute_takes_identifier_p): New fn.
3179 * c-common.h: Declare it.
3181 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
3183 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
3185 (*udivmod<mode>4): Ditto.
3187 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
3189 * config/i386/i386.md (maxmin_int): Rename code attribute from
3190 maxminiprefix and update all users.
3191 (maxmin_float): Ditto from maxminfprefix.
3192 (logic): Ditto from logicprefix.
3193 (absneg_mnemonic): Ditto from absnegprefix.
3194 * config/i386/mmx.md: Update all users of maxminiprefix,
3195 maxminfprefix and logicprefix for rename.
3196 * config/i386/sse.md: Ditto.
3197 * config/i386/sync.md (sync_<code><mode>): Update for
3200 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
3203 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
3204 warnings converted to errors.
3206 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
3208 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
3209 used insn_type variable.
3210 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
3211 to avoid set-but-not-used warning.
3213 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
3215 * df-core.c (df_ref_debug): Change format string placeholder
3217 * dwarf2asm.c (dw2_asm_output_data_raw,
3218 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
3219 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
3220 * dwarf2out.c (output_cfi, output_cfi_directive,
3221 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
3222 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
3224 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
3225 * print-rtl.c (print_rtx): Ditto.
3227 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
3230 * builtins.c (expand_builtin_pow_root): New function to expand pow
3231 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
3232 series of sqrt and cbrt calls under -ffast-math.
3233 (expand_builtin_pow): Call it.
3235 2010-04-14 Michael Matz <matz@suse.de>
3237 PR tree-optimization/42963
3238 * tree-cfg.c (touched_switch_bbs): New static variable.
3239 (group_case_labels_stmt): New function broken out from ...
3240 (group_case_labels): ... here, use the above.
3241 (start_recording_case_labels): Allocate touched_switch_bbs.
3242 (end_recording_case_labels): Deallocate it, call
3243 group_case_labels_stmt.
3244 (gimple_redirect_edge_and_branch): Remember index of affected BB.
3246 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
3248 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
3251 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
3253 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
3255 2010-04-13 Jan Hubicka <jh@suse.cz>
3257 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
3258 of optimized out static functions.
3259 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
3260 cost computation. Also sanity check for overflows.
3261 (update_caller_keys): Update cgraph_edge_badness call; properly
3262 update fibheap and sanity check that it is up to date.
3263 (add_new_edges_to_heap): Update cgraph_edge_badness.
3264 (cgraph_decide_inlining_of_small_function): Likewise;
3265 add sanity checking that badness in heap is up to date;
3266 improve dumping of reason; Update badness of calls to the
3267 offline copy of function currently inlined; dump badness
3268 of functions not inlined because of unit growth limits.
3270 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
3273 * c-common.c (pointer_int_sum): Disregard overflow that occured only
3274 because of sign-extension change when converting to sizetype here...
3275 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
3277 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
3278 the folding to constants. Remove redundant final conversion.
3279 (fold_binary) <associate>: Do not associate if the re-association of
3280 constants alone overflows.
3281 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
3282 to the end of the list.
3283 (multiple_of_p) <COND_EXPR>: New case.
3285 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
3287 * opt-functions.awk (opt_sanitized_name): New.
3289 * optc-gen.awk: Use it
3290 * opth-gen.awk: Use it.
3292 2010-04-13 Martin Jambor <mjambor@suse.cz>
3294 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
3295 (sra_modify_assign): Delete stmts loading dead data even if racc has no
3296 children. Call replace_uses_with_default_def_ssa_name to handle
3299 2010-04-13 Michael Matz <matz@suse.de>
3302 * builtins.c (expand_builtin_interclass_mathfn): Also create
3303 a register if the predicate doesn't match.
3305 2010-04-13 Diego Novillo <dnovillo@google.com>
3307 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
3308 * c-pch.c: Include timevar.h.
3309 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
3310 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
3311 * ggc-common.c: Include timevar.h.
3312 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
3313 * timevar.def (TV_PCH_SAVE): Define.
3314 (TV_PCH_CPP_SAVE): Define.
3315 (TV_PCH_PTR_REALLOC): Define.
3316 (TV_PCH_PTR_SORT): Define.
3317 (TV_PCH_RESTORE): Define.
3318 (TV_PCH_CPP_RESTORE): Define.
3320 2010-04-13 Michael Matz <matz@suse.de>
3322 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
3324 (can_reassociate_p): New function.
3325 (break_up_subtract_bb, reassociate_bb): Use it.
3327 2010-04-13 Richard Guenther <rguenther@suse.de>
3330 * builtins.c (c_readstr): Fix assert.
3332 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
3334 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
3335 when generating cltd insn.
3337 (*ashl<mode>3_1): Remove special handling for register operand 2.
3338 (*ashlsi3_1_zext): Ditto.
3339 (*ashlhi3_1): Ditto.
3340 (*ashlhi3_1_lea): Ditto.
3341 (*ashlqi3_1): Ditto.
3342 (*ashlqi3_1_lea): Ditto.
3343 (*<shiftrt_insn><mode>3_1): Ditto.
3344 (*<shiftrt_insn>si3_1_zext): Ditto.
3345 (*<shiftrt_insn>qi3_1_slp): Ditto.
3346 (*<rotate_insn><mode>3_1): Ditto.
3347 (*<rotate_insn>si3_1_zext): Ditto.
3348 (*<rotate_insn>qi3_1_slp): Ditto.
3350 2010-04-13 Richard Guenther <rguenther@suse.de>
3352 * tree-ssa-structalias.c (callused_id): Remove.
3353 (call_stmt_vars): New.
3354 (get_call_vi): Likewise.
3355 (lookup_call_use_vi): Likewise.
3356 (lookup_call_clobber_vi): Likewise.
3357 (get_call_use_vi): Likewise.
3358 (get_call_clobber_vi): Likewise.
3359 (make_transitive_closure_constraints): Likewise.
3360 (handle_const_call): Adjust to do per-call call-used handling.
3361 (handle_pure_call): Likewise.
3362 (find_what_var_points_to): Remove general callused handling.
3363 (init_base_vars): Likewise.
3364 (init_alias_vars): Initialize call_stmt_vars.
3365 (compute_points_to_sets): Process call-used and call-clobbered
3366 vars for call statements.
3367 (delete_points_to_sets): Free call_stmt_vars.
3369 2010-04-13 Richard Guenther <rguenther@suse.de>
3371 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
3372 Only add RW dependence for dependence distance zero.
3373 Adjust maximal vectorization factor according to dependences.
3374 Move alignment handling ...
3375 (vect_find_same_alignment_drs): ... here. New function.
3376 (vect_analyze_data_ref_dependences): Adjust.
3377 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
3378 (vect_analyze_data_refs): Adjust minimal vectorization factor
3379 according to data references.
3380 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
3381 dependences before determining the vectorization factor.
3382 Analyze alignment after determining the vectorization factor.
3383 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
3384 dependences before alignment.
3385 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
3387 (vect_analyze_data_refs): Likewise.
3388 (MAX_VECTORIZATION_FACTOR): New define.
3390 2010-04-13 Duncan Sands <baldrick@free.fr>
3392 * except.h (lang_eh_type_covers): Remove.
3393 * except.c (lang_eh_type_covers): Likewise.
3395 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3396 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3398 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
3399 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
3400 UNITS_PER_LONG where it is ABI relevant.
3401 (s390_return_addr_rtx): Likewise.
3402 (s390_back_chain_rtx): Likewise.
3403 (s390_frame_area): Likewise.
3404 (s390_frame_info): Likewise.
3405 (s390_initial_elimination_offset): Likewise.
3406 (save_gprs): Likewise.
3407 (s390_emit_prologue): Likewise.
3408 (s390_emit_epilogue): Likewise.
3409 (s390_function_arg_advance): Likewise.
3410 (s390_function_arg): Likewise.
3411 (s390_va_start): Likewise.
3412 (s390_gimplify_va_arg): Likewise.
3413 (s390_function_profiler): Likewise.
3414 (s390_optimize_prologue): Likewise.
3415 (s390_rtx_costs): Likewise.
3416 (s390_secondary_reload): Likewise.
3417 (s390_promote_function_mode): Likewise.
3418 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
3419 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
3420 registers available.
3421 (s390_unwind_word_mode): New function.
3422 (s390_function_value): Split 64 bit values into register pair if
3423 used as return value.
3424 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
3425 function call parameters. Handle parallels.
3426 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
3427 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
3428 (DWARF_CIE_DATA_ALIGNMENT): New macro.
3429 (s390_expand_setmem): Remove unused variable src_addr.
3430 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
3431 deal with 64 bit registers.
3432 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
3433 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
3434 (UNITS_PER_LONG): New macro.
3435 * libjava/include/s390-signal.h: Define extended ucontext
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