1 2010-04-30 Richard Guenther <rguenther@suse.de>
4 * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
5 first after all lowering passes.
7 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
9 * toplev.c: Include varray.h for statistics dumping.
10 * tree.h: Do not declare varray_head_tag.
11 * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
12 regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
13 c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
14 gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
15 lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
16 tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
17 c-common.c, c-common.h, reg-stack.c, basic-block.h,
18 tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
20 * Makefile.in: Update for abovementioned changes.
22 2010-04-30 Jakub Jelinek <jakub@redhat.com>
25 * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
27 2010-04-30 Hariharan Sandanagobalane <hariharan@picochip.com>
29 * config/picochip/picochip.c (picochip_legitimize_address): Define.
30 Use this function to do machine-specific conversion.
31 (picochip_legitimize_reload_address): Likewise.
32 (picochip_legitimate_address_p): Check valid base register only if
34 (picochip_check_conditional_copy): Check for modw only if opnd is
36 * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
37 to call the function in c.
38 * config/picochip/picochip-protos.h
39 (picochip_legitimize_reload_address): Define.
40 * config/picochip/picochip.md (supported_compare1): Define.
42 2010-04-30 Jan Hubicka <jh@suse.cz>
44 * cgraph.h (cgraph_local_info): Remove for_functions_valid.
45 (cgraph_global_info): Remove inlined.
46 (LTO_cgraph_tag_names): Remove.
47 (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
48 * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
49 simplify cgraph tags and document.
50 (lto_output_node): Use only LTO_cgraph_unavail_node and
51 LTO_cgraph_analyzed_node; Do not save analzed, reachable,
52 for_functions_valid, global info, process and output
54 (input_overwrite_node): Initialize estimated stack size and
56 Do not read flags we no longer store.
57 (input_node): Likewise do not read info no longer stored.
58 * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
61 2010-04-30 Richard Guenther <rguenther@suse.de>
63 PR tree-optimization/43879
64 * tree-ssa-structalias.c (get_constraint_for_1): Properly
65 handle non-zero initializers.
67 2010-04-30 Richard Guenther <rguenther@suse.de>
69 * builtins.c (fold_builtin_1): Delete free (0).
71 2010-04-29 Jan Hubicka <jh@suse.cz>
73 * gengtype.c (open_base_files): Add lto-streamer.h
74 * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
75 (pass_ipa_cp): GGC collect.
76 * toplev. (compile_file): Do not output symbols.
77 * ipa-inline.c (pass_ipa_inline): Add ggc collect.
78 * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
79 TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
80 * lto-section-in.c: Include ggc.h
81 (lto_new_in_decl_state): Alloc in GGC.
82 (lto_delete_in_decl_state): Likewise.
83 * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program): Collect.
85 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
88 * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
89 ORDER_REGS_FOR_LOCAL_ALLOC. All instances of this macro changed.
90 (HONOR_REG_ALLOC_ORDER): Describe new macro.
91 * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
92 * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
93 account only if HONOR_REG_ALLOC_ORDER is not defined.
94 * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
95 * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
97 2010-04-29 Jon Grant <04@jguk.org>
99 * collect2.c (vflag): Change type from int to bool.
101 (helpflag): New global bool.
102 (main): Set vflag and debug with boolean, not integer truth
103 values. Accept new "--help" option and output usage text if
105 * collect2.h (vflag): Update prototype.
108 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
111 * plugin.h (flag_plugin_added): Moved out of
112 invoke_plugin_callbacks.
114 2010-04-29 Richard Guenther <rguenther@suse.de>
117 * plugin.h (invoke_plugin_callbacks): Annotate arguments
118 with ATTRIBUTE_UNUSED.
120 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
123 * config/i386/i386.c (get_some_local_dynamic_name): Replace
124 INSN_P with NONDEBUG_INSN_P.
125 (distance_non_agu_define): Likewise.
126 (distance_agu_use): Likewise.
128 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
130 From Dominique d'Humieres <dominiq@lps.ens.fr>
132 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
135 2010-04-29 Brian Hackett <bhackett1024@gmail.com>
137 * plugin.h (invoke_plugin_callbacks): New inline function.
138 * plugin.c (flag_plugin_added): New global flag.
139 (add_new_plugin): Initialize above flag.
140 (invoke_plugin_callbacks): Rename to ...
141 (invoke_plugin_callbacks_full): ... this.
143 2010-04-28 Jan Hubicka <jh@suse.cz>
145 * lto-symtab.c (lto_symtab_entry_def) Add vnode.
146 (lto_varpool_replace_node): New.
147 (lto_symtab_resolve_symbols): Resolve varpool nodes.
148 (lto_symtab_merge_decls_1): Prefer decls with varpool node.
149 (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
150 * cgraph.h (varpool_node_ptr): New type.
151 (varpool_node_ptr): New vector.
152 (varpool_node_set_def): New structure.
153 (varpool_node_set): New type.
154 (varpool_node_set): New vector.
155 (varpool_node_set_element_def): New structure.
156 (varpool_node_set_element, const_varpool_node_set_element): New types.
157 (varpool_node_set_iterator): New type.
158 (varpool_node): Add prev pointers, add used_from_other_partition,
160 (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
161 varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
162 varpool_get_node, varpool_remove_node): Declare.
163 (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
164 varpool_node_set_size): New inlines.
165 * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
166 * tree-pass.h (varpool_node_set_def): Forward declare.
167 (ipa_opt_pass_d): Summary writting takes vnode sets too.
168 (ipa_write_optimization_summaries): Update prototype.
169 * ipa-cp.c (ipcp_write_summary): Update.
170 * ipa-reference.c (ipa_reference_write_summary): Update.
171 * lto-cgraph.c (lto_output_varpool_node): New static function.
172 (output_varpool): New function.
173 (input_varpool_node): New static function.
174 (input_varpool_1): New function.
175 (input_cgraph): Input varpool.
176 * ipa-pure-const.c (pure_const_write_summary): Update.
177 * lto-streamer-out.c (lto_output): Update, output varpool too.
178 (write_global_stream): Kill WPA hack.
179 (produce_asm_for_decls): Update.
180 (output_alias_pair_p): Handle variables.
181 (output_unreferenced_globals): Output only needed partition of varpool.
182 * ipa-inline.c (inline_write_summary): Update.
183 * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build cgraph.
184 * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
185 * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
186 varpool_node_set_new, varpool_node_set_add,
187 varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
188 debug_varpool_node_set): New functions.
189 * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
190 (execute_one_pass): Process new decls too.
191 (ipa_write_summaries_2): Pass around vsets.
192 (ipa_write_summaries_1): Likewise.
193 (ipa_write_summaries): Build vset; be more selective about cgraph nodes
195 (ipa_write_optimization_summaries_1): Pass around vsets.
196 (ipa_write_optimization_summaries): Likewise.
197 * varpool.c (varpool_get_node): New.
198 (varpool_node): Update doubly linked lists.
199 (varpool_remove_node): New.
200 (dump_varpool_node): More dumping.
201 (varpool_enqueue_needed_node): Update doubly linked lists.
202 (decide_is_variable_needed): Kill ltrans hack.
203 (varpool_finalize_decl): Kill lto hack.
204 (varpool_assemble_decl): Skip decls in other partitions.
205 (varpool_assemble_pending_decls): Update doubly linkes lists.
206 (varpool_empty_needed_queue): Likewise.
207 (varpool_extra_name_alias): Likewise.
208 * lto-streamer.c (lto_get_section_name): Add vars section.
209 * lto-streamer.h (lto_section_type): Update.
210 (output_varpool, input_varpool): Declare.
212 2010-04-28 Mike Stump <mikestump@comcast.net>
214 * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
216 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
218 * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
219 record or union type with RECORD_OR_UNION_TYPE_P predicate.
220 (lto_input_ts_type_tree_pointers): Likewise.
221 * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
222 (lto_output_ts_type_tree_pointers): Likewise.
224 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
226 Uniquization of constants at the Tree level
227 * tree.h (DECL_IN_CONSTANT_POOL): New macro.
228 (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
230 (tree_output_constant_def): Declare.
231 * gimplify.c (gimplify_init_constructor): When using block copy, first
232 uniquize the constant constructor on the RHS.
233 * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
234 DECL_IN_CONSTANT_POOL flag.
235 * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
236 * varasm.c (make_decl_rtl): Deal with variables belonging to the global
238 (assemble_variable): Deal with symbols belonging to the tree constant
240 (get_constant_section): Add ALIGN parameter and simplify.
241 (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
242 (assemble_constant_contents): Use the expression of the VAR_DECL.
243 (output_constant_def_contents): Use the alignment of the VAR_DECL.
244 (tree_output_constant_def): New global function.
245 (mark_constant): Use the expression of the VAR_DECL.
246 (place_block_symbol): Use the alignment of the VAR_DECL and the size of
248 (output_object_block): Likewise and assemble the expression.
250 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
252 * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
253 hash_tree, eq_tree): New tree hash table.
254 (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
255 [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
256 lto_orig_address_remove): Reimplement.
258 2010-04-28 Xinliang David Li <davidxl@google.com>
261 * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
262 (compute_uninit_opnds_pos): New function.
263 (is_non_loop_exit_postdominating): New function.
264 (compute_control_dep_chain): New function.
265 (find_pdom): New function.
266 (convert_control_dep_chain_into_preds): New function.
267 (find_predicates): New function.
268 (find_control_equiv_block): New function.
269 (collect_phi_def_edges): New function.
270 (find_def_preds): New function.
271 (find_dom): New function.
272 (dump_predicates): New function.
273 (get_cmp_code): New function.
274 (is_value_included_in): New function.
275 (find_matching_predicate_in_rest_chains): New function.
276 (use_pred_not_overlap_with_undef_path_pred): New function.
277 (is_use_properly_guarded): New function.
278 (normalize_cond_1): New function.
279 (is_and_or_or): New function.
280 (normalize_cond): New function.
281 (is_gcond_subset_of): New function.
282 (is_subset_of_any): New function.
283 (is_or_set_subset_of): New function.
284 (is_and_set_subset_of): New function.
285 (is_norm_cond_subset_of): New function.
286 (is_pred_expr_subset_of): New function.
287 (is_pred_chain_subset_of): New function.
288 (is_included_in): New function.
289 (is_superset_of): New function.
290 (find_uninit_use): New function.
291 (warn_uninitialized_phi): New function.
292 (compute_possibly_undefined_names): New function.
293 (ssa_undefined_value_p): New function.
294 (execute_late_warn_uninitialized): New function.
295 * tree-ssa.c (ssa_undefined_value_p): Removed.
296 (warn_uninit): Changed to extern.
297 (warn_uninitialized_phi): Removed.
298 (warn_uninitialized_vars): Changed to extern.
299 (execute_late_warn_uninitialized): Removed
300 * tree-flow.h: Add new prototypes.
301 * timevar.def: Add new time variable.
302 * Makefile.in: Add new build file.
304 2010-04-28 Uros Bizjak <ubizjak@gmail.com>
306 * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
309 2010-04-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
312 * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
314 2010-04-28 Martin Jambor <mjambor@suse.cz>
316 * cgraph.h (struct cgraph_node): New field indirect_calls.
317 (struct cgraph_indirect_call_info): New type.
318 (struct cgraph_edge): Removed field indirect_call. New fields
319 indirect_info, indirect_inlining_edge and indirect_unknown_callee.
320 (cgraph_create_indirect_edge): Declare.
321 (cgraph_make_edge_direct): Likewise.
322 (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
323 * ipa-prop.h (struct ipa_param_call_note): Removed.
324 (struct ipa_node_params): Removed field param_calls.
325 (ipa_create_all_structures_for_iinln): Declare.
326 * cgraph.c: Described indirect edges and uids in initial comment.
327 (cgraph_add_edge_to_call_site_hash): New function.
328 (cgraph_edge): Search also among the indirect edges, use
329 cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
330 (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
331 one, use cgraph_add_edge_to_call_site_hash to add edges to the call
333 (initialize_inline_failed): Assign a reason to indirect edges.
334 (cgraph_create_edge_1): New function.
335 (cgraph_create_edge): Moved some functionality to
336 cgraph_create_edge_1.
337 (cgraph_create_indirect_edge): New function.
338 (cgraph_edge_remove_callee): Add an assert checking for
340 (cgraph_edge_remove_caller): Special-case indirect edges.
341 (cgraph_remove_edge): Likewise.
342 (cgraph_set_edge_callee): New function.
343 (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
344 (cgraph_make_edge_direct): New function.
345 (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
346 the declaration of the call statement matches.
347 (cgraph_node_remove_callees): Special-case indirect edges.
348 (cgraph_clone_edge): Likewise.
349 (cgraph_clone_node): Clone also the indirect edges.
350 (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
351 indirect_call, dump count of indirect_calls edges.
352 * ipa-prop.c (iinlining_processed_edges): New variable.
353 (ipa_note_param_call): Create indirect edges instead of
354 creating notes. New parameter node.
355 (ipa_analyze_call_uses): New parameter node, pass it on to
357 (ipa_analyze_stmt_uses): Likewise.
358 (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
359 (print_edge_addition_message): Work on edges rather than on notes.
360 (update_call_notes_after_inlining): Likewise, renamed to
361 update_indirect_edges_after_inlining.
362 (ipa_create_all_structures_for_iinln): New function.
363 (ipa_free_node_params_substructures): Do not free notes.
364 (ipa_edge_duplication_hook): Propagate bits within
365 iinlining_processed_edges bitmap.
366 (ipa_node_duplication_hook): Do not duplicate notes.
367 (free_all_ipa_structures_after_ipa_cp): Renamed to
368 ipa_free_all_structures_after_ipa_cp.
369 (free_all_ipa_structures_after_iinln): Renamed to
370 ipa_free_all_structures_after_iinln.g
371 (ipa_write_param_call_note): Removed.
372 (ipa_read_param_call_note): Removed.
373 (ipa_write_indirect_edge_info): New function.
374 (ipa_read_indirect_edge_info): Likewise.
375 (ipa_write_node_info): Do not stream notes, do stream information
377 (ipa_read_node_info): Likewise.
378 (lto_ipa_fixup_call_notes): Removed.
379 * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
380 * ipa-inline.c (pass_ipa_inline): Likewise.
381 * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
382 * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
383 * tree-inline.c (copy_bb): Removed an unnecessary double check for
385 * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
387 * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
388 (output_cgraph): Stream also indirect edges.
389 (lto_output_edge): Added capability to stream indirect edges.
390 (input_edge): Likewise.
391 (input_cgraph_1): Likewise.
392 * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
395 2010-04-28 Richard Guenther <rguenther@suse.de>
397 PR tree-optimization/43879
398 PR tree-optimization/43909
399 * tree-ssa-structalias.c (struct variable_info): Add
400 only_restrict_pointers flag.
401 (new_var_info): Initialize it. Increment stats.total_vars here.
402 (create_function_info_for): Do not increment stats.total_vars
404 (get_function_part_constraint): Fix build with C++.
405 (insert_into_field_list): Remove.
406 (push_fields_onto_fieldstack): Properly merge fields.
407 (create_variable_info_for): Split and simplify.
408 (create_variable_info_for_1): New piece.
409 (intra_create_variable_infos): Properly make restrict constraints
412 2010-04-28 Richard Guenther <rguenther@suse.de>
415 * tree-inline.c (copy_bind_expr): Also copy bind expr vars
418 2010-04-27 Manuel López-Ibáñez <manu@gcc.gnu.org>
419 Jan Hubicka <hubicka@ucw.cz>
421 * doc/invoke.texi (-Wsuggest-attribute=const,
422 -Wsuggest-attribute=pure): Document.
423 * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
424 (function_always_visible_to_compiler_p,
425 suggest_attribute, warn_function_pure, warn_function_const):
427 (check_call): Improve debug info.
428 (analyze_function): Do not check availability.
429 (add_new_function): Check availability.
430 (propagate): Output warnings.
431 (skip_function_for_local_pure_const): New function.
432 (local_pure_const): Use it; output warnings.
433 * common.opt (Wsuggest-attribute=const,
434 Wsuggest-attribute=pure): New.
436 2010-04-27 Jakub Jelinek <jakub@redhat.com>
438 * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
439 force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
440 or DW_CFA_def_cfa_offset{,_sf}.
442 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
444 * tree.h: Fix truncated long macros.
446 2010-04-27 Kai Tietz <kai.tietz@onevision.com>
448 * collect2.c (TARGET_64BIT): Redefine to target's default.
450 * config/i386/cygming.h (USER_LABEL_PREFIX): Define
451 dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
452 * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
453 for underscoring __USER_LABEL_PREFIX__.
454 * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
455 (SUB_LINK_ENTRY32): New.
456 (SUB_LINK_ENTRY64): New.
457 (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
458 * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
459 (SUB_LINK_ENTRY64): New.
460 (SUB_LINK_ENTRY): New.
461 (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
462 (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
463 x64 target is choosen.
464 * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
465 * configure: Regenerated.
466 * configure.ac (leading-mingw64-underscores): Option added.
468 2010-04-27 Jan Hubicka <jh@suse.cz>
470 * doc/invoke.texi (-fipa-profile): Document.
471 * opts.c (decode_options): Enable ipa-profile at -O1.
472 * timevar.def (TV_IPA_PROFILE): Define.
473 * common.opt (fipa-profile): Add.
474 * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
476 (cgraph_propagate_frequency): Handle only local ones.
477 * tree-pass.h (pass_ipa_profile): Declare.
478 * ipa-profile.c (gate_profile): Use flag_ipa_profile.
479 (pass_ipa_profile): Use TV_IPA_PROFILE.
480 * ipa.c (ipa_profile): New function.
481 (gate_ipa_profile): Likewise.
482 (pass_ipa_profile): New global variable.
483 * passes.c (pass_ipa_profile): New.
485 2010-04-27 Nathan Froyd <froydnj@codesourcery.com>
487 * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
489 2010-04-27 Martin Jambor <mjambor@suse.cz>
492 * ipa.c (dissolve_same_comdat_group_list): New function.
493 (function_and_variable_visibility): Call
494 dissolve_same_comdat_group_list when comdat group contains external or
496 * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
497 lists are circular and that they contain only DECL_ONE_ONLY nodes.
499 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
501 * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
502 (const_hash_1) <VECTOR_CST>: New case.
503 (compare_constant) <VECTOR_CST>: Likewise.
504 <ADDR_EXPR>: Deal with LABEL_REFs.
505 (copy_constant) <VECTOR_CST>: New case.
507 2010-04-27 Jan Hubicka <jh@suse.cz>
509 * cgraph.c (cgraph_propagate_frequency): New function.
510 * cgraph.h (cgraph_propagate_frequency): Declare.
511 * ipa-inline.c (cgraph_clone_inlined_nodes): Call
512 cgraph_propagate_frequency.
514 2010-04-27 Jakub Jelinek <jakub@redhat.com>
516 * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
518 2010-04-27 Bernd Schmidt <bernds@codesourcery.com>
521 * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
522 (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
523 here to determine which regs to push and how much stack to reserve.
525 2010-04-27 Jie Zhang <jie@codesourcery.com>
527 * doc/gimple.texi (gimple_statement_with_ops): Remove
528 addresses_taken field.
529 (gimple_statement_with_memory_ops): Likewise.
531 2010-04-27 Jan Hubicka <jh@suse.cz>
533 * tree-inline.c (eni_inlining_weights): Remove.
534 (estimate_num_insns): Special case more builtins.
536 2010-04-27 Shujing Zhao <pearly.zhao@oracle.com>
539 * c-typeck.c (build_binary_op): Move forward check for comparison
540 pointer with null pointer constant and adjust the diagnostic message.
542 2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
545 * configure.ac (gcc_cv_as_section_has_align): Set if installed
546 binutils supports extended .section directive needed by LTO, or
547 warn if older binutils found.
548 (LTO_BINARY_READER): New AC_SUBST'd variable.
549 (LTO_USE_LIBELF): Likewise.
550 * gcc/config.gcc (lto_binary_reader): New target-specific configure
552 * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
553 (LTO_USE_LIBELF): Likewise.
554 * configure: Regenerate.
556 * collect2.c (is_elf): Rename from this ...
557 (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
558 object files in addition to ELF-formatted ones.
559 (scan_prog_file): Caller updated. Also allow for LTO info marker
560 symbol to be prefixed or not by an extra underscore.
562 * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
563 * config/i386/winnt.c: Also #include lto-streamer.h
564 (i386_pe_asm_named_section): Specify 1-byte section alignment for
566 (i386_pe_asm_output_aligned_decl_common): Add comment.
567 (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
569 2010-04-27 Hans-Peter Nilsson <hp@bitrange.com>
572 * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
573 Add missing earlyclobber for second alternative.
575 2010-04-26 Bernd Schmidt <bernds@codesourcery.com>
577 * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
578 bits for artificial defs at the top of the block.
579 * fwprop.c (single_def_use_enter_block): Don't call it.
581 2010-04-26 Jack Howarth <howarth@bromo.med.uc.edu>
584 * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
585 instead of "$gcc_cv_objdump -T".
586 Use "-undefined dynamic_lookup" on darwin.
587 * gcc/configure: Regenerate.
589 2010-04-26 Jakub Jelinek <jakub@redhat.com>
592 * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
594 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
596 * c-parser.c (struct c_token): Move location field up.
597 * c-tree.h (struct c_typespec): Move expr_const_operands field up.
598 (struct c_declspecs): Convert typespec_word, storage_class, and
599 default_int_p into bitfields.
600 (struct c_declarator): Move loc field up.
602 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
604 * cfgloop.h (struct loop): Move can_be_parallel field up.
605 * ipa-prop.h (struct ip_node_params): Move bitfields up.
606 * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
608 (struct iv_cand): Convert pos field into a bitfield.
609 * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
611 (struct _stmt_vec_info): Shuffle fields for better packing.
613 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
615 * varasm.c (IN_NAMED_SECTION): Remove guard.
616 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
617 (IN_NAMED_SECTION_P): ...this.
618 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
619 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
621 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
623 * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
624 Use VOID_TYPE_P for all void type tests. Adjust TYPE variable instead
625 of shadowing it. Fix comments.
627 2010-04-26 Jan Hubicka <jh@suse.cz>
629 * cgraph.c (cgraph_create_node): Set node frequency to normal.
630 (cgraph_clone_node): Copy function frequency.
631 * cgraph.h (node_frequency): New enum
632 (struct cgraph_node): Add.
633 * final.c (rest_of_clean_state): Update.
634 * lto-cgraph.c (lto_output_node): Output node frequency.
635 (input_overwrite_node): Input node frequency.
636 * tre-ssa-loop-ivopts (computation_cost): Update.
637 * lto-streamer-out.c (output_function): Do not output function
639 * predict.c (maybe_hot_frequency_p): Update and handle functions
641 (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
643 (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
644 (compute_function_frequency): Set noreturn functions to be executed
646 (choose_function_section): Update.
647 * lto-streamer-in.c (input_function): Do not input function frequency.
648 * function.c (allocate_struct_function): Do not initialize function
650 * function.h (function_frequency): Remove.
651 (struct function): Remove function frequency.
652 * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
653 (try_update): Update.
654 * tree-inline.c (initialize_cfun): Do not update function frequency.
655 * passes.c (pass_init_dump_file): Update.
656 * i386.c (ix86_compute_frame_layout): Update.
657 (ix86_pad_returns): Update.
659 2010-04-26 Jie Zhang <jie@codesourcery.com>
661 PR tree-optimization/43833
662 * tree-vrp.c (range_int_cst_p): New.
663 (range_int_cst_singleton_p): New.
664 (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
665 when both operands are constants. Use range_int_cst_p in
668 2010-04-26 Jan Hubicka <jh@suse.cz>
670 * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
672 2010-04-26 Richard Guenther <rguenther@suse.de>
675 * gimple.c (gimple_decl_printable_name): Deal gracefully
676 with a NULL DECL_NAME.
678 2010-04-26 Richard Guenther <rguenther@suse.de>
681 * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
682 if emitting debug information and it is either a function
685 2010-04-26 Ira Rosen <irar@il.ibm.com>
687 * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
688 determine if the statement is vectorizable, and a macro to access it.
689 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
690 Skip statements that can't be vectorized. If the analysis fails,
691 mark the statement as unvectorizable if vectorizing basic block.
692 (vect_compute_data_refs_alignment): Likewise.
693 (vect_verify_datarefs_alignment): Skip statements marked as
694 unvectorizable. Add print.
695 (vect_analyze_group_access): Skip statements that can't be
696 vectorized. If the analysis fails, mark the statement as
697 unvectorizable if vectorizing basic block.
698 (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
699 * tree-vect-stmts.c (vectorizable_store): Fix the number of
700 generated stmts for SLP.
701 (new_stmt_vec_info): Initialize the new field.
702 * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
703 statements marked as unvectorizable.
705 2010-04-25 Joseph Myers <joseph@codesourcery.com>
707 * c-common.c (flag_isoc1x): New.
708 (flag_isoc99): Update comment.
709 * c-common.h (flag_isoc1x): New.
710 (flag_isoc99): Update comment.
711 * c-cppbuiltin.c (builtin_define_float_constants): Also define
712 __<type>_DECIMAL_DIG__.
713 * c-opts.c (set_std_c1x): New.
714 (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
715 (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
716 * c.opt (-std=c1x, -std=gnu1x): New options.
717 * doc/cpp.texi: Mention -std=c1x.
718 * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
719 * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
720 * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
721 * doc/standards.texi: Mention C1X.
722 * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
723 LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
724 LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
727 2010-04-25 Uros Bizjak <ubizjak@gmail.com>
729 * config/i386/gmon-sol2.c (_mcleanup): Change format string
730 placeholder from 0x%x to %#x.
731 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
732 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
733 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
734 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
735 * config/i386/i386.c (ix86_target_string): Ditto.
736 (output_pic_addr_const): Ditto.
737 (print_operand): Ditto.
739 2010-04-25 Paolo Bonzini <bonzini@gnu.org>
741 * combine.c (find_split_point): Add third argument. Use it
742 to find nested multiply-accumulate instructions. Adjust calls.
743 (try_combine): Adjust call to find_split_point.
745 2010-04-24 Gerald Pfeifer <gerald@pfeifer.com>
747 * doc/contrib.texi (Contributors): Add Dodji Seketeli.
749 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
751 PR tree-optimization/41442
752 * fold-const.c (merge_truthop_with_opposite_arm): New function.
753 (fold_binary_loc): Call it.
755 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
757 * toplev.c (general_init): Set default for fdiagnostics-show-option.
758 * opts.c (common_handle_option): Allow disabling it.
759 * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
761 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
763 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
764 between modes if both types are integral.
766 2010-04-23 Richard Guenther <rguenther@suse.de>
768 PR tree-optimization/43572
769 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
771 2010-04-23 Richard Guenther <rguenther@suse.de>
774 * tree-inline.c (tree_can_inline_p): Also check compatibility
777 2010-04-23 Martin Jambor <mjambor@suse.cz>
779 PR tree-optimization/43846
780 * tree-sra.c (struct access): New flag grp_assignment_read.
781 (build_accesses_from_assign): Set grp_assignment_read.
782 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
783 (enum mark_read_status): New type.
784 (analyze_access_subtree): Propagate grp_assignment_read, create
785 accesses also if both direct_read and root->grp_assignment_read.
787 2010-04-23 Martin Jambor <mjambor@suse.cz>
790 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
791 function does not have type attributes.
793 2010-04-23 Richard Guenther <rguenther@suse.de>
796 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
799 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
801 * sese.h (create_if_region_on_edge): Remove.
803 * sese.c (create_if_region_on_edge): Make static.
805 * tree-inline.c: Do not include ggc.h.
807 * expr.c: Do not include ggc.h.
809 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
812 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
815 * config/sh/sh.c (find_barrier): Don't emit a constant pool
816 in the middle of insns for casesi_worker_2.
818 2010-04-22 David Edelsohn <edelsohn@gnu.org>
820 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
822 2010-04-22 Ira Rosen <irar@il.ibm.com>
824 PR tree-optimization/43842
825 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
826 loop unrolling in update of exit phis. Fix comment.
827 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
828 least two reduction statements in the loop before starting SLP
831 2010-04-22 Nick Clifton <nickc@redhat.com>
833 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
835 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
837 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
840 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
842 * tree-parloops.c (loop_parallel_p): New argument
843 parloop_obstack. Pass it down.
844 (parallelize_loops): New variable parloop_obstack. Initialize it,
845 pass it down, free it.
847 * tree-loop-linear.c (linear_transform_loops): Pass down
850 * tree-data-ref.h (lambda_compute_access_matrices): New argument
851 of type struct obstack *.
853 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
854 scratch_obstack. Initialize it, pass down, free it.
856 * lambda.h (lambda_loop_new): Remove.
857 (lambda_matrix_new, lambda_matrix_inverse)
858 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
859 argument of type struct obstack *.
861 * lambda-trans.c (lambda_trans_matrix_new): New argument
862 lambda_obstack. Pass it down, use obstack allocation for ret.
863 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
866 * lambda-mat.c (lambda_matrix_get_column)
867 (lambda_matrix_project_to_null): Remove.
868 (lambda_matrix_new): New argument lambda_obstack. Use obstack
870 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
873 * lambda-code.c (lambda_loop_new): New function.
874 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
875 (lambda_compute_auxillary_space, lambda_compute_target_space)
876 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
877 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
878 (build_access_matrix): New argument lambda_obstack. Use obstack
880 (lambda_compute_step_signs, lambda_compute_access_matrices): New
881 argument lambda_obstack. Pass it down.
883 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
885 * optabs.h (expand_widening_mult): Declare.
887 2010-04-22 Richard Guenther <rguenther@suse.de>
889 PR tree-optimization/43845
890 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
891 lookup the CALL_EXPR function and arguments.
893 2010-04-22 Nick Clifton <nickc@redhat.com>
895 * config/stormy16/stormy16.c
896 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
897 * config/stormy16/stormy16.h: Tidy up formatting.
898 (DONT_USE_BUILTIN_SETJMP): Remove definition.
899 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
900 (ineqbranchsi): Delete pattern.
901 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
902 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
903 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
904 stormy16-lib2-ucmpsi2.c.
906 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
908 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
909 df_simulate_find_noclobber_defs as appropriate. Keep track of an
910 extra set merge_set_noclobber, and use it to relax the final test
912 * df.h (df_simulate_find_noclobber_defs): Declare.
913 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
915 (df_simulate_find_noclobber_defs): New function.
917 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
919 * config/i386/i386.md: Use {} around multi-line preparation statements.
921 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
923 * c-tree.h (push_init_level, pop_init_level, set_init_index)
924 (process_init_element): New argument of type struct obstack *.
926 * c-typeck.c (push_init_level, pop_init_level, set_designator)
927 (set_init_index, set_init_label, set_nonincremental_init)
928 (set_nonincremental_init_from_string, find_init_member)
929 (output_init_element, output_pending_init_elements)
930 (process_init_element): New argument braced_init_obstack. Pass it
932 (push_range_stack, add_pending_init): New argument
933 braced_init_obstack. Use obstack allocation.
935 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
936 braced_init_obstack. Pass it down.
937 (c_parser_braced_init): New variables ret, braced_init_obstack.
938 Initialize obstack, pass it down and finally free it.
940 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
943 * tree-pass.h (pass_optimize_widening_mul): Declare.
944 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
945 gate_optimize_widening_mul): New static functions.
946 (pass_optimize_widening_mul): New.
947 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
948 <case MULT_EXPR>: Remove support for widening multiplies.
949 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
950 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
951 simplify_gen_unary rather than directly building extensions.
952 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
954 * expmed.c (expand_widening_mult): New function.
955 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
957 2010-04-21 Jan Hubicka <jh@suse.cz>
959 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
960 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
961 * lto-wpa-fixup.c: Remove.
962 * Makefile.in (lto-wpa-fixup.o): Remove.
963 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
964 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
965 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
967 2010-04-21 Jan Hubicka <jh@suse.cz>
969 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
970 add write_optimization_summary, read_optimization_summary.
971 (ipa_write_summaries_of_cgraph_node_set): Remove.
972 (ipa_write_optimization_summaries): Declare.
973 (ipa_read_optimization_summaries): Declare.
974 * ipa-cp.c (pass_ipa_cp): Update.
975 * ipa-reference.c (pass_ipa_reference): Update.
976 * ipa-pure-const.c (pass_ipa_pure_const): Update.
977 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
979 * ipa-inline.c (pass_ipa_inline): Update.
980 * ipa.c (pass_ipa_whole_program): Update.
981 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
982 * passes.c (ipa_write_summaries_1): Do not test wpa.
983 (ipa_write_optimization_summaries_1): New.
984 (ipa_write_optimization_summaries): New.
985 (ipa_read_summaries): Do not test ltrans.
986 (ipa_read_optimization_summaries_1): New.
987 (ipa_read_optimization_summaries): New.
989 2010-04-21 Jan Hubicka <jh@suse.cz>
991 * lto-cgraph.c (lto_output_node): Do not output comdat groups
993 (output_cgraph): Do not arrange comdat groups for boundary nodes.
995 2010-04-21 Jakub Jelinek <jakub@redhat.com>
998 * dwarf2out.c (add_name_and_src_coords_attributes): Add
999 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1001 2010-04-21 Jan Hubicka <jh@suse.cz>
1003 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1005 2010-04-21 Jan Hubicka <jh@suse.cz>
1007 * varpool.c (decide_is_variable_needed): Variable is always needed
1010 2010-04-21 Jan Hubicka <jh@suse.cz>
1012 * opts.c (decode_options): Enable pure-const pass for whopr.
1014 2010-04-21 Jan Hubicka <jh@suse.cz>
1016 * cgraph.c (dump_cgraph_node): Dump also assembler name.
1017 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1019 (cgraph_decide_inlining): Do not expect callee to be removed in all
1022 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
1024 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1026 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
1028 * config/i386/i386.md (x86_shrd): Add athlon_decode and
1029 amdfam10_decode attributes.
1031 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1034 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1035 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1036 (lower_copyprivate_clauses): Use private var in outer
1037 context instead of original var. Make sure the types
1038 are correct for VLAs.
1040 2010-04-21 Richard Guenther <rguenther@suse.de>
1042 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1043 to non-pointer objects.
1045 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1047 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
1048 last chain entry if it starts with the still current label.
1049 (add_location_or_const_value_attribute): Check that
1050 loc_list->first->next is NULL instead of comparing ->first with ->last.
1051 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1052 to add_var_loc_to_decl.
1054 * dwarf2out.c (output_call_frame_info): For dw_cie_version
1055 >= 4 add also address size and segment size fields into CIE header.
1057 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1058 long as address size is the same as sizeof (void *) and
1060 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
1061 address size or segment size is unexpected, return DW_EH_PE_omit.
1062 (classify_object_over_fdes): If get_cie_encoding returned
1063 DW_EH_PE_omit, return -1.
1064 (init_object): If classify_object_over_fdes returned -1,
1065 pretend there were no FDEs at all.
1067 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
1069 * config/i386/i386.md (bswap<mode>2): Macroize expander from
1070 bswap{si,di}2 using SWI48 mode iterator.
1071 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1072 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
1073 set modrm attribute of bswap insn to 0 and remove length attribute.
1074 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1075 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
1076 set mode attribute to <MODE> and remove length attribute.
1078 2010-04-20 James E. Wilson <wilson@codesourcery.com>
1080 PR rtl-optimization/43520
1081 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1082 zero available registers.
1084 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1086 * builtins.c (fold_builtin_cproj): Fold more cases.
1088 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1090 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1091 (fold_builtin_1): Fold builtin cproj.
1092 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1093 Use ATTR_CONST_NOTHROW_LIST.
1095 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
1097 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1098 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
1099 ffsi2_no_cmove for !TARGET_CMOVE.
1100 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
1101 (ffssi2): Remove expander.
1102 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1104 (ctz<mode>2): Ditto from ctz{si,di}2.
1105 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1107 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1110 2010-04-20 Jakub Jelinek <jakub@redhat.com>
1112 * dwarf2out.c (AT_linkage_name): Define.
1113 (clone_as_declaration): Handle DW_AT_linkage_name.
1114 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1115 of DW_AT_MIPS_linkage_name.
1116 (move_linkage_attr): Likewise.
1117 (dwarf2out_finish): Likewise.
1119 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
1122 * fold-const.c (fold_comparison): New folding rule.
1124 2010-04-20 Anatoly Sokolov <aesok@post.ru>
1126 * double-int.h (double_int_setbit): Declare.
1127 * double-int.c (double_int_setbit): New function.
1128 * rtl.h (immed_double_int_const): Declare.
1129 * emit-rtl.c (immed_double_int_const): New function.
1130 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1131 and immed_double_int_const functions.
1132 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1133 expand_copysign_bit): (Ditto.).
1134 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1135 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1136 * dojump.c (prefer_and_bit_test): (Ditto.).
1137 * expr.c (convert_modes, reduce_to_bit_field_precision,
1138 const_vector_from_tree): (Ditto.).
1139 * expmed.c (mask_rtx, lshift_value): (Ditto.).
1141 2010-04-20 Jan Hubicka <jh@suse.cz>
1143 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1144 (dump_cgraph_node): Dump new flags.
1145 * cgraph.h (struct cgraph_node): Add flags
1146 reachable_from_other_partition and in_other_partition.
1147 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1148 other partition can not be removed.
1149 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1150 the other partition must be output; silence sanity checking on
1151 leaking functions bodies from other paritition.
1152 * lto-cgraph.c (reachable_from_other_partition_p): New function.
1153 (lto_output_node): Output new flags; do not sanity check that inline
1154 clones are output; drop lto_forced_extern_inline_p code; do not mock
1155 visibility flags at partition boundaries.
1156 (add_node_to): New function.
1157 (output_cgraph): Use it to sort functions so masters appear before
1159 (input_overwrite_node): Input new flags.
1160 * passes.c (ipa_write_summaries): Do not call
1161 lto_new_extern_inline_states.
1162 * lto-section-out.c (forced_extern_inline,
1163 lto_new_extern_inline_states lto_delete_extern_inline_states,
1164 lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1165 * lto-streamer.h (lto_new_extern_inline_states,
1166 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1167 lto_forced_extern_inline_p): Kill.
1169 2010-04-20 Richard Guenther <rguenther@suse.de>
1171 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1172 from vars that can have pointers.
1173 (process_constraint): Dump useless constraints.
1175 2010-04-20 Richard Guenther <rguenther@suse.de>
1177 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1178 (dump_sa_points_to_info): Remove asserts.
1179 (init_base_vars): nothing_id isn't an escape point nor does it
1182 2010-04-20 Jakub Jelinek <jakub@redhat.com>
1184 * tree.h (TYPE_REF_IS_RVALUE): Define.
1185 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1186 should_move_die_to_comdat, prune_unused_types_walk): Handle
1187 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1188 (modified_type_die, gen_reference_type_die): Emit
1189 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1190 if TYPE_REF_IS_RVALUE and -gdwarf-4.
1192 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1195 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1196 calls for -fpic -m31 if they have been sibcall optimized.
1198 2010-04-19 James E. Wilson <wilson@codesourcery.com>
1200 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1201 ar.lc fixed and call-used.
1203 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1205 2010-04-19 Jan Hubicka <jh@suse.cz>
1207 * opts.c (decode_options): Disable whpr incompatible passes.
1208 * lto/lto.c (lto_1_to_1_map): Skip clones.
1209 (read_cgraph_and_symbols): Do not mark everything as needed.
1210 (do_whole_program_analysis): Do map only after optimizing;
1211 set proper cgraph_state; use passmanager.
1213 2010-04-19 DJ Delorie <dj@redhat.com>
1215 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1216 POINTER_PLUS_EXPR and fix them.
1218 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
1220 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1221 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1222 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1223 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1224 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1225 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1226 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1227 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1228 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1229 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1230 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1232 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
1234 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1235 (check_cond_move_block): Likewise.
1236 (cond_move_process_if_block): Likewise.
1237 (noce_find_if_block): Improve formatting.
1238 (find_if_header): Pass 0 to memset and tweak conditions.
1239 (cond_exec_find_if_block): Fix long lines and tweak conditions.
1241 2010-04-19 Jakub Jelinek <jakub@redhat.com>
1243 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1247 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1248 with non-local decl doesn't need chain.
1250 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
1252 * ira-color.c (allocno_reload_assign): Avoid accumulating
1253 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1255 2010-04-19 Martin Jambor <mjambor@suse.cz>
1257 * gimple.h (create_tmp_reg): Declare.
1258 * gimplify.c (create_tmp_reg): New function.
1259 (gimplify_return_expr): Use create_tmp_reg.
1260 (gimplify_omp_atomic): Likewise.
1261 (gimple_regimplify_operands): Likewise.
1262 * tree-dfa.c (make_rename_temp): Likewise.
1263 * tree-predcom.c (predcom_tmp_var): Likewise.
1264 (reassociate_to_the_same_stmt): Likewise.
1265 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1266 (get_replaced_param_substitute): Likewise.
1267 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1268 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1269 * tree-ssa-pre.c (get_representative_for): Likewise.
1270 (create_expression_by_pieces): Likewise.
1271 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1272 (create_tailcall_accumulator): Likewise.
1274 2010-04-19 Martin Jambor <mjambor@suse.cz>
1276 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1278 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1280 2010-04-19 Richard Guenther <rguenther@suse.de>
1282 PR tree-optimization/43796
1283 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1284 from SCEV in the lattice.
1285 (vrp_visit_phi_node): Dump change.
1287 2010-04-19 Richard Guenther <rguenther@suse.de>
1289 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1290 * configure: Re-generated.
1292 2010-04-19 Richard Guenther <rguenther@suse.de>
1294 PR tree-optimization/43783
1295 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1296 constant ARRAY_REF operands two and three if possible.
1298 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
1301 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1303 2010-04-19 Jie Zhang <jie@codesourcery.com>
1306 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1308 2010-04-19 Ira Rosen <irar@il.ibm.com>
1310 PR tree-optimization/37027
1311 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1312 and macro to access it.
1313 (vectorizable_reduction): Add argument.
1314 (vect_get_slp_defs): Likewise.
1315 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1316 statements for possible use in SLP.
1317 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1318 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1319 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1321 (vectorizable_reduction): Likewise.
1322 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1324 (vectorizable_type_demotion, vectorizable_type_promotion,
1325 vectorizable_store): Likewise.
1326 (vect_analyze_stmt): Update call to vectorizable_reduction.
1327 (vect_transform_stmt): Likewise.
1328 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1329 (vect_build_slp_tree): Fix indentation. Check that there are no loads
1330 from different interleaving chains in same node.
1331 (vect_slp_rearrange_stmts): New function.
1332 (vect_supported_load_permutation_p): Allow load permutations for
1333 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1334 inside SLP nodes if necessary.
1335 (vect_analyze_slp_instance): Handle reductions.
1336 (vect_analyze_slp): Try to build SLP instances originating from groups
1338 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1339 (vect_get_constant_vectors): Create initial vectors for reductions
1340 according to reduction code. Add new argument.
1341 (vect_get_slp_defs): Add new argument, pass it to
1342 vect_get_constant_vectors.
1343 (vect_schedule_slp_instance): Remove SLP tree root statements.
1345 2010-04-19 Jakub Jelinek <jakub@redhat.com>
1347 * tree.h (ENUM_IS_SCOPED): Define.
1348 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1349 for ENUM_IS_SCOPED enums.
1351 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
1353 * fold-const.c (fold_comparison): Use ssizetype.
1354 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1355 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1356 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1357 * tree-object-size.c (compute_object_sizes): Use size_type_node.
1359 * tree.h (initialize_sizetypes): Remove parameter.
1360 (build_common_tree_nodes): Remove second parameter.
1361 * stor-layout.c (initialize_sizetypes): Remove parameter.
1362 Always create an unsigned type.
1363 (set_sizetype): Assert that the passed type is unsigned and simplify.
1364 * tree.c (build_common_tree_nodes): Remove second parameter.
1365 Adjust call to initialize_sizetypes.
1366 * c-decl.c (c_init_decl_processing): Remove second argument in call to
1367 build_common_tree_nodes.
1369 2010-04-18 Matthias Klose <doko@ubuntu.com>
1371 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1373 2010-04-18 Ira Rosen <irar@il.ibm.com>
1375 PR tree-optimization/43771
1376 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1377 load permutation doesn't have gaps.
1379 2010-04-18 Jan Hubicka <jh@suse.cz>
1381 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1382 (sse_prologue_save_insn expander): Use new pattern.
1383 (sse_prologue_save_insn1): New pattern and splitter.
1384 (sse_prologue_save_insn): Update to deal also with 64bit aligned
1386 * i386.c (setup_incoming_varargs_64): Do not compute jump
1388 (ix86_gimplify_va_arg): Update alignment needed.
1389 (ix86_local_alignment): Do not align all local arrays to 128bit.
1391 2010-04-17 Jan Hubicka <jh@suse.cz>
1393 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
1395 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1397 * arm.md (negdi2): Remove redundant code to force values into a
1400 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1402 * arm/bpabi.S: Add EABI alignment attributes to objects.
1403 * arm/bpabi-v6m.S: Likewise.
1404 * arm/crti.asm: Likewise.
1405 * arm/crtn.asm: Likewise.
1406 * arm/lib1funcs.asm: Likewise.
1407 * arm/libunwind.S: Likewise.
1409 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1411 * arm-protos.h (tune_params): New structure.
1412 * arm.c (current_tune): New variable.
1413 (arm_constant_limit): Delete.
1414 (struct processors): Add pointer to the tune parameters.
1415 (arm_slowmul_tune): New tuning option.
1416 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
1417 (all_cores): Adjust to pick up the tuning model.
1418 (arm_constant_limit): New function.
1419 (arm_override_options): Select the appropriate tuning model. Delete
1420 initialization of arm_const_limit.
1421 (arm_split_constant): Use the new constant-limit model.
1422 (arm_rtx_costs): Pick up the current tuning model.
1423 * arm.md (is_strongarm, is_xscale): Delete.
1424 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
1425 for Xscale variant architectures.
1426 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
1428 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1430 * config/arm/arm.c (arm_gen_constant): Remove unused variable
1432 (arm_rtx_costs_1): Remove unused variable extra_cost.
1433 (arm_unwind_emit_set): Use variable offset.
1434 (thumb1_output_casesi): Remove unused variable flags.
1436 2010-04-16 Jeff Law <law@redhat.com>
1438 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
1439 needing assignment rather than doing a two-phase assignment. Remove
1440 unused variable 'm'.
1442 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1445 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
1447 2010-04-16 Doug Kwan <dougkwan@google.com>
1449 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
1450 (next_operand_entry_id): New static variable.
1451 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
1452 (add_to_ops_vec): Assigned unique ID to operand entry.
1453 (struct oecount_s): New field ID.
1454 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
1455 (undistribute_ops_list): Assign unique IDs to oecounts.
1456 (init_reassoc): reset next_operand_entry_id.
1458 2010-04-16 Doug Kwan <dougkwan@google.com>
1460 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
1461 missing left parenthesis.
1463 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
1465 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
1466 *btdi_rex64 using SWI48 mode iterator.
1467 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
1468 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
1469 *jcc_btdi_mask_rex64.
1471 2010-04-16 Anatoly Sokolov <aesok@post.ru>
1473 * double-int.h (tree_to_double_int): Convert to macro.
1474 * double-int.c (tree_to_double_int): Remove.
1476 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1479 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
1480 with want_address 2 and in case a single element list might be
1481 possible, call it again with want_address 0.
1483 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
1485 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1486 case 'W' print operands for HI mode.
1487 * config/h8300/h8300.h (Y0, Y2) : New constraints.
1488 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1489 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1490 * config/h8300/predicate.md (bit_register_indirect_operand): New.
1492 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1494 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1495 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1496 #xx:3 and #xx:4 mode.
1498 * config/h8300/h8300.md (inverted load with HImode dest): Add
1499 support for H8300SX.
1501 * config/h8300/predicate.md (bit_operand): Allow immediate values that
1502 satisfy 'U' constraint.
1504 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1506 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1507 * configure: Regenerate.
1508 * config.in: Regenerate.
1509 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1512 2010-04-16 Richard Guenther <rguenther@suse.de>
1514 * tree.h (struct tree_decl_minimal): Move pt_uid ...
1515 (struct tree_decl_common): ... here.
1516 (DECL_PT_UID): Adjust.
1517 (SET_DECL_PT_UID): Likewise.
1518 (DECL_PT_UID_SET_P): Likewise.
1520 2010-04-16 Richard Guenther <rguenther@suse.de>
1522 PR tree-optimization/43572
1523 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1524 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1525 * tree-flow.h (is_call_clobbered): Remove.
1526 * tree-flow-inline.h (is_call_clobbered): Likewise.
1527 * tree-dfa.c (dump_variable): Do not dump call clobber state.
1528 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1529 (execute_return_slot_opt): Adjust.
1530 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1531 check for call clobbered vars here.
1532 (find_tail_calls): Move tailcall verification to the
1535 2010-04-16 Diego Novillo <dnovillo@google.com>
1537 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1539 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
1542 * config/arm/arm.md (cbranchqi4): New pattern.
1543 * config/arm/predicates.md (const0_operand,
1544 cbranchqi4_comparison_operator): New predicates.
1546 2010-04-16 Richard Guenther <rguenther@suse.de>
1548 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1549 (dump_gimple_stmt): Likewise.
1551 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
1553 * recog.h (struct recog_data): New field is_operator.
1554 (struct insn_operand_data): New field is_operator.
1555 * recog.c (extract_insn): Set recog_data.is_operator.
1556 * genoutput.c (output_operand_data): Emit code to set the
1558 * reload.c (find_reloads): Use it rather than testing for an
1559 empty constraint string.
1562 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1563 If the previous insn is a cbranchsi4_insn with the same arguments,
1564 omit the compare instruction.
1566 * config/arm/arm.md (addsi3_cbranch): If destination is a high
1567 register, inputs must be low registers and we need a low register
1568 scratch. Handle alternative 2 like alternative 3.
1570 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1572 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1573 don't call get_addr on both. If one expression is a VALUE and
1574 the other a REG, check VALUE's locs if the REG isn't among them.
1576 2010-04-16 Christian Bruel <christian.bruel@st.com>
1578 * config/sh/sh.h (sh_frame_pointer_required): New function.
1579 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1580 (flag_omit_frame_pointer) Set.
1581 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1582 (rounded_frame_size): Adjust size with outgoing_args_size.
1583 (sh_set_return_address): Must return from stack pointer.
1584 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1585 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1586 (ACCUMULATE_OUTGOING_ARGS): Define.
1587 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1588 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1590 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
1593 * config/sh/sh.c (sh_legitimize_reload_address): Use
1594 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1595 Remove a unneeded check for offset_base.
1597 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
1599 * configure: Regenerated.
1601 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1603 * config/s390/s390.c (s390_call_save_register_used): Switch back
1604 to HARD_REGNO_NREGS.
1606 2010-04-15 Richard Guenther <rguenther@suse.de>
1608 * alias.c (alias_set_subset_of): Handle alias-set zero
1611 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
1612 Julian Brown <julian@codesourcery.com>
1614 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1615 alternatives according to use of high and low regs.
1616 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1617 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1618 optimizing for size on Thumb-2.
1620 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
1622 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1624 2010-04-15 Richard Guenther <rguenther@suse.de>
1626 * tree-ssa-structalias.c (struct variable_info): Add
1628 (new_var_info): Initialize it.
1629 (dump_constraints): Support printing last added constraints.
1630 (debug_constraints): Adjust.
1631 (dump_constraint_graph): Likewise.
1632 (make_heapvar_for): Check for NULL cfun.
1633 (get_function_part_constraint): New function.
1634 (get_fi_for_callee): Likewise.
1635 (find_func_aliases): Properly implement IPA PTA constraints.
1636 (process_ipa_clobber): New function.
1637 (find_func_clobbers): Likewise.
1638 (insert_into_field_list_sorted): Remove.
1639 (create_function_info_for): Properly allocate vars for IPA mode.
1640 Do not use insert_into_field_list_sorted.
1641 (create_variable_info_for): Properly generate constraints for
1642 global vars in IPA mode.
1643 (dump_solution_for_var): Always dump the solution.
1644 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1645 (find_what_var_points_to): Adjust.
1646 (pt_solution_set): Change.
1647 (pt_solution_ior_into): New function.
1648 (pt_solution_empty_p): Export.
1649 (pt_solution_includes_global): Adjust.
1650 (pt_solution_includes_1): Likewise.
1651 (pt_solutions_intersect_1): Likewise.
1652 (dump_sa_points_to_info): Check some invariants.
1653 (solve_constraints): Move constraint dumping ...
1654 (compute_points_to_sets): ... here.
1655 (ipa_pta_execute): ... and here.
1656 (compute_may_aliases): Do not re-compute points-to info
1657 locally if IPA info is available.
1658 (ipa_escaped_pt): New global var.
1659 (ipa_pta_execute): Properly implement IPA PTA.
1660 * tree-into-ssa.c (dump_decl_set): Support dumping
1661 decls not in referenced-vars.
1662 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1663 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1664 (dump_points_to_solution): Likewise.
1665 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1666 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1667 (remap_gimple_stmt): Reset call clobber/use information if necessary.
1668 (copy_decl_to_var): Copy DECL_PT_UID.
1669 (copy_result_decl_to_var): Likewise.
1670 * tree.c (make_node_stat): Initialize DECL_PT_UID.
1671 (copy_node_stat): Copy it.
1672 * tree.h (DECL_PT_UID): New macro.
1673 (SET_DECL_PT_UID): Likewise.
1674 (DECL_PT_UID_SET_P): Likewise.
1675 (struct tree_decl_minimal): Add pt_uid member.
1676 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1677 (pt_solution_empty_p): Declare.
1678 (pt_solution_set): Adjust.
1679 (ipa_escaped_pt): Declare.
1680 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1681 * gimple-pretty-print.c (pp_points_to_solution): New function.
1682 (dump_gimple_call): Dump call clobber/use information.
1683 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1684 * tree-pass.h (TDF_ALIAS): New dump option.
1685 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1686 * doc/invoke.texi (-fipa-pta): Update documentation.
1688 2010-04-15 Richard Guenther <rguenther@suse.de>
1690 * Makefile.in (OBJS-common): Add gimple-fold.o.
1691 (gimple-fold.o): New rule.
1692 * tree.h (maybe_fold_offset_to_reference,
1693 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1695 * gimple.h: ... here.
1696 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1697 may_propagate_address_into_dereference): Move prototypes ...
1698 * gimple.h: ... here.
1699 * tree-ssa-ccp.c (get_symbol_constant_value,
1700 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1701 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1702 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1703 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1704 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1705 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1706 gimplify_and_update_call_from_tree): Move ...
1707 * gimple-fold.c: ... here. New file.
1708 (ccp_fold_builtin): Rename to ...
1709 (gimple_fold_builtin): ... this.
1710 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1712 2010-04-15 Richard Guenther <rguenther@suse.de>
1714 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1715 fit_double_type, force_fit_type_double, add_double_with_sign,
1716 neg_double, mul_double_with_sign, lshift_double, rshift_double,
1717 lrotate_double, rrotate_double, div_and_round_double): Move ...
1718 * double-int.c: ... here.
1719 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1720 add_double, neg_double, mul_double_with_sign, mul_double,
1721 lshift_double, rshift_double, lrotate_double, rrotate_double,
1722 div_and_round_double): Move prototypes ...
1723 * double-int.h: ... here.
1725 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
1728 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
1729 matching constraints to ensure inputs match the output.
1731 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
1734 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1735 in an input-only operand.
1737 2010-04-15 Anatoly Sokolov <aesok@post.ru>
1739 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1740 (double_int_not, double_int_lshift, double_int_rshift): Declare.
1741 (double_int_negative_p): Convert to static inline function.
1742 * double-int.c (double_int_lshift, double_int_lshift): New functions.
1743 (double_int_negative_p): Remove.
1744 * tree.h (lshift_double, rshift_double):
1745 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1746 * fold-const.c (fold_convert_const_int_from_real,
1747 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1748 (lshift_double): Change type of arith argument to bool.
1749 (rshift_double): Change type of arith argument to bool. Correct
1751 * expmed.c (mask_rtx, lshift_value): (Ditto.).
1753 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
1756 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1757 at the start and end of the then/else blocks, and omit them from the
1759 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
1760 argument; all callers changed. Pass zero to old_insns_match_p instead.
1761 (flow_find_head_matching_sequence): New function.
1762 (old_insns_match_p): Check REG_EH_REGION notes for calls.
1763 * basic-block.h (flow_find_cross_jump,
1764 flow_find_head_matching_sequence): Declare functions.
1766 2010-04-14 Jason Merrill <jason@redhat.com>
1769 * c-common.c (attribute_takes_identifier_p): New fn.
1770 * c-common.h: Declare it.
1772 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1774 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1776 (*udivmod<mode>4): Ditto.
1778 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1780 * config/i386/i386.md (maxmin_int): Rename code attribute from
1781 maxminiprefix and update all users.
1782 (maxmin_float): Ditto from maxminfprefix.
1783 (logic): Ditto from logicprefix.
1784 (absneg_mnemonic): Ditto from absnegprefix.
1785 * config/i386/mmx.md: Update all users of maxminiprefix,
1786 maxminfprefix and logicprefix for rename.
1787 * config/i386/sse.md: Ditto.
1788 * config/i386/sync.md (sync_<code><mode>): Update for
1791 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
1794 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1795 warnings converted to errors.
1797 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1799 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1800 used insn_type variable.
1801 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1802 to avoid set-but-not-used warning.
1804 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1806 * df-core.c (df_ref_debug): Change format string placeholder
1808 * dwarf2asm.c (dw2_asm_output_data_raw,
1809 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1810 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1811 * dwarf2out.c (output_cfi, output_cfi_directive,
1812 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1813 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1815 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1816 * print-rtl.c (print_rtx): Ditto.
1818 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
1821 * builtins.c (expand_builtin_pow_root): New function to expand pow
1822 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1823 series of sqrt and cbrt calls under -ffast-math.
1824 (expand_builtin_pow): Call it.
1826 2010-04-14 Michael Matz <matz@suse.de>
1828 PR tree-optimization/42963
1829 * tree-cfg.c (touched_switch_bbs): New static variable.
1830 (group_case_labels_stmt): New function broken out from ...
1831 (group_case_labels): ... here, use the above.
1832 (start_recording_case_labels): Allocate touched_switch_bbs.
1833 (end_recording_case_labels): Deallocate it, call
1834 group_case_labels_stmt.
1835 (gimple_redirect_edge_and_branch): Remember index of affected BB.
1837 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1839 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1842 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1844 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1846 2010-04-13 Jan Hubicka <jh@suse.cz>
1848 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1849 of optimized out static functions.
1850 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1851 cost computation. Also sanity check for overflows.
1852 (update_caller_keys): Update cgraph_edge_badness call; properly
1853 update fibheap and sanity check that it is up to date.
1854 (add_new_edges_to_heap): Update cgraph_edge_badness.
1855 (cgraph_decide_inlining_of_small_function): Likewise;
1856 add sanity checking that badness in heap is up to date;
1857 improve dumping of reason; Update badness of calls to the
1858 offline copy of function currently inlined; dump badness
1859 of functions not inlined because of unit growth limits.
1861 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
1864 * c-common.c (pointer_int_sum): Disregard overflow that occured only
1865 because of sign-extension change when converting to sizetype here...
1866 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1868 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1869 the folding to constants. Remove redundant final conversion.
1870 (fold_binary) <associate>: Do not associate if the re-association of
1871 constants alone overflows.
1872 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1873 to the end of the list.
1874 (multiple_of_p) <COND_EXPR>: New case.
1876 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
1878 * opt-functions.awk (opt_sanitized_name): New.
1880 * optc-gen.awk: Use it
1881 * opth-gen.awk: Use it.
1883 2010-04-13 Martin Jambor <mjambor@suse.cz>
1885 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1886 (sra_modify_assign): Delete stmts loading dead data even if racc has no
1887 children. Call replace_uses_with_default_def_ssa_name to handle
1890 2010-04-13 Michael Matz <matz@suse.de>
1893 * builtins.c (expand_builtin_interclass_mathfn): Also create
1894 a register if the predicate doesn't match.
1896 2010-04-13 Diego Novillo <dnovillo@google.com>
1898 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1899 * c-pch.c: Include timevar.h.
1900 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
1901 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
1902 * ggc-common.c: Include timevar.h.
1903 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
1904 * timevar.def (TV_PCH_SAVE): Define.
1905 (TV_PCH_CPP_SAVE): Define.
1906 (TV_PCH_PTR_REALLOC): Define.
1907 (TV_PCH_PTR_SORT): Define.
1908 (TV_PCH_RESTORE): Define.
1909 (TV_PCH_CPP_RESTORE): Define.
1911 2010-04-13 Michael Matz <matz@suse.de>
1913 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1915 (can_reassociate_p): New function.
1916 (break_up_subtract_bb, reassociate_bb): Use it.
1918 2010-04-13 Richard Guenther <rguenther@suse.de>
1921 * builtins.c (c_readstr): Fix assert.
1923 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
1925 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
1926 when generating cltd insn.
1928 (*ashl<mode>3_1): Remove special handling for register operand 2.
1929 (*ashlsi3_1_zext): Ditto.
1930 (*ashlhi3_1): Ditto.
1931 (*ashlhi3_1_lea): Ditto.
1932 (*ashlqi3_1): Ditto.
1933 (*ashlqi3_1_lea): Ditto.
1934 (*<shiftrt_insn><mode>3_1): Ditto.
1935 (*<shiftrt_insn>si3_1_zext): Ditto.
1936 (*<shiftrt_insn>qi3_1_slp): Ditto.
1937 (*<rotate_insn><mode>3_1): Ditto.
1938 (*<rotate_insn>si3_1_zext): Ditto.
1939 (*<rotate_insn>qi3_1_slp): Ditto.
1941 2010-04-13 Richard Guenther <rguenther@suse.de>
1943 * tree-ssa-structalias.c (callused_id): Remove.
1944 (call_stmt_vars): New.
1945 (get_call_vi): Likewise.
1946 (lookup_call_use_vi): Likewise.
1947 (lookup_call_clobber_vi): Likewise.
1948 (get_call_use_vi): Likewise.
1949 (get_call_clobber_vi): Likewise.
1950 (make_transitive_closure_constraints): Likewise.
1951 (handle_const_call): Adjust to do per-call call-used handling.
1952 (handle_pure_call): Likewise.
1953 (find_what_var_points_to): Remove general callused handling.
1954 (init_base_vars): Likewise.
1955 (init_alias_vars): Initialize call_stmt_vars.
1956 (compute_points_to_sets): Process call-used and call-clobbered
1957 vars for call statements.
1958 (delete_points_to_sets): Free call_stmt_vars.
1960 2010-04-13 Richard Guenther <rguenther@suse.de>
1962 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1963 Only add RW dependence for dependence distance zero.
1964 Adjust maximal vectorization factor according to dependences.
1965 Move alignment handling ...
1966 (vect_find_same_alignment_drs): ... here. New function.
1967 (vect_analyze_data_ref_dependences): Adjust.
1968 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
1969 (vect_analyze_data_refs): Adjust minimal vectorization factor
1970 according to data references.
1971 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
1972 dependences before determining the vectorization factor.
1973 Analyze alignment after determining the vectorization factor.
1974 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
1975 dependences before alignment.
1976 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
1978 (vect_analyze_data_refs): Likewise.
1979 (MAX_VECTORIZATION_FACTOR): New define.
1981 2010-04-13 Duncan Sands <baldrick@free.fr>
1983 * except.h (lang_eh_type_covers): Remove.
1984 * except.c (lang_eh_type_covers): Likewise.
1986 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1987 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1989 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
1990 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
1991 UNITS_PER_LONG where it is ABI relevant.
1992 (s390_return_addr_rtx): Likewise.
1993 (s390_back_chain_rtx): Likewise.
1994 (s390_frame_area): Likewise.
1995 (s390_frame_info): Likewise.
1996 (s390_initial_elimination_offset): Likewise.
1997 (save_gprs): Likewise.
1998 (s390_emit_prologue): Likewise.
1999 (s390_emit_epilogue): Likewise.
2000 (s390_function_arg_advance): Likewise.
2001 (s390_function_arg): Likewise.
2002 (s390_va_start): Likewise.
2003 (s390_gimplify_va_arg): Likewise.
2004 (s390_function_profiler): Likewise.
2005 (s390_optimize_prologue): Likewise.
2006 (s390_rtx_costs): Likewise.
2007 (s390_secondary_reload): Likewise.
2008 (s390_promote_function_mode): Likewise.
2009 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2010 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2011 registers available.
2012 (s390_unwind_word_mode): New function.
2013 (s390_function_value): Split 64 bit values into register pair if
2014 used as return value.
2015 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2016 function call parameters. Handle parallels.
2017 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2018 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2019 (DWARF_CIE_DATA_ALIGNMENT): New macro.
2020 (s390_expand_setmem): Remove unused variable src_addr.
2021 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2022 deal with 64 bit registers.
2023 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2024 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2025 (UNITS_PER_LONG): New macro.
2026 * libjava/include/s390-signal.h: Define extended ucontext
2027 structure containing the upper halfs of the 64 bit registers.
2029 2010-04-13 Simon Baldwin <simonb@google.com>
2031 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2033 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
2035 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2036 rvalue on the RHS if the LHS is of a non-renamable type.
2037 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2039 2010-04-13 Matthias Klose <doko@ubuntu.com>
2041 * gcc.c (cc1_options): Handle -iplugindir before processing
2042 the cc1 spec. Only add -iplugindir once.
2043 (cpp_unique_options): Add -iplugindir option if -fplugin* options
2045 * common.opt (iplugindir): Remove `Separate' property, initialize.
2046 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2048 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2049 (distclean): Remove plugin dir.
2050 * doc/invoke.texi: Document -iplugindir.
2052 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
2054 * doc/plugins.texi (Loading Plugins): Document short
2055 -fplugin=foo option.
2056 (Plugin API): Mention default_plugin_dir_name function.
2058 * gcc.c (find_file_spec_function): Add new declaration.
2059 (static_spec_func): Use it for "find-file".
2060 (find_file_spec_function): Add new function.
2061 (cc1_options): Add -iplugindir option if -fplugin* options found.
2063 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2065 * plugin.c (add_new_plugin): Updated comment, and handle short
2067 (default_plugin_dir_name): Added new function.
2069 * common.opt (iplugindir): New option to set the plugin directory.
2071 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
2073 * config/i386/i386.md (any_rotate): New code iterator.
2074 (rotate_insn): New code attribute.
2076 (SWIM124): New mode iterator.
2077 (<rotate_insn>ti3): New expander.
2078 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2079 any_rotate code iterator.
2080 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2081 using any_rotate code iterator and SWIM124 mode iterator.
2082 (ix86_rotlti3): New insn_and_split pattern.
2083 (ix86_rotrti3): Ditto.
2084 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2085 ix86_rotl{di,ti}3 patterns.
2086 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2087 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2088 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2089 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2090 code iterator and SWI mode iterator.
2091 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2092 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2094 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2095 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2096 (bswap rotatert splitter): Add splitter.
2097 (bswap splitter): Macroize splitter using any_rotate code iterator.
2098 Add insn predicate to split only for TARGET_USE_XCHGB or when
2099 optimizing function for size.
2101 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2103 * config/pa/pa.c (emit_move_sequence): Remove use of
2104 deleted variable flag_argument_noalias.
2106 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2108 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2110 Add to unsupported targets list.
2111 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2112 sparc*-sun-solaris2.[567]* from target lists.
2113 * configure: Regenerate.
2114 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2116 Remove Solaris 7 patch references.
2117 (Specific, sparc-sun-solaris2.7): Removed.
2118 (sparc-sun-solaris2*): Update Solaris 7 example.
2119 (sparc64-*-solaris2*): Likewise.
2121 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2123 * config.build (alpha*-dec-osf4*): Remove.
2124 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2125 of obsolete configurations.
2126 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2128 * config/alpha/t-osf4: Renamed to ...
2129 * config/alpha/t-osf5: ... this.
2130 * config/alpha/osf.h: Renamed to ...
2131 * config/alpha/osf5.h: ... this.
2132 Merged old osf5.h contents.
2134 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2135 (EXTRA_SPECS): Removed.
2136 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2137 reflect removal of Tru64 UNIX V4.0/V5.0 support.
2140 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2142 * doc/contrib.texi (Contributors, Rainer Orth): Update.
2144 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
2147 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2148 __thiscall convention.
2150 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2152 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2154 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2156 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2158 * function.c (assign_parms_initialize_all): Add unused attribute
2161 2010-04-12 Richard Guenther <rguenther@suse.de>
2163 * gsstruct.def (GSS_CALL): New.
2164 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2165 * gimple.h: Include tree-ssa-alias.h.
2166 (struct gimple_statement_call): New.
2167 (union gimple_statement_struct_d): Add gimple_call member.
2168 (gimple_call_reset_alias_info): Declare.
2169 (gimple_call_use_set): New function.
2170 (gimple_call_clobber_set): Likewise.
2171 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2172 * gimple.c (gimple_call_reset_alias_info): New function.
2173 (gimple_build_call_1): Call it.
2174 * lto-streamer-in.c (input_gimple_stmt): Likewise.
2175 * tree-inline.c (remap_gimple_stmt): Likewise.
2176 (expand_call_inline): Remove callused handling.
2177 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2178 * tree-dfa.c (dump_variable): Likewise.
2179 * tree-parloops.c (parallelize_loops): Likewise.
2180 * tree-ssa.c (init_tree_ssa): Likewise.
2181 (delete_tree_ssa): Likewise.
2182 * tree-flow-inline.h (is_call_used): Remove.
2183 * tree-flow.h (struct gimple_df): Remove callused member.
2184 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2185 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2186 (ref_maybe_used_by_call_p_1): Simplify.
2187 (call_may_clobber_ref_p_1): Likewise.
2188 * tree-ssa-structalias.c (compute_points_to_sets): Set
2189 the call stmt used and clobbered sets.
2190 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2191 (find_tail_calls): Verify the tail call.
2193 2010-04-12 Richard Guenther <rguenther@suse.de>
2195 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2196 single-iteration always-inline inlining.
2197 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2198 (cgraph_decide_inlining): Do not handle always-inline specially.
2199 (try_inline): Remove always-inline cycle detection special case.
2200 Do not recurse on always-inlines.
2201 (cgraph_early_inlining): Do not iterate if not optimizing.
2202 (cgraph_gate_early_inlining): remove.
2203 (pass_early_inline): Run unconditionally.
2204 (gate_cgraph_decide_inlining): New function.
2205 (pass_ipa_inline): Use it. Do not run the IPA inliner if
2206 not inlining or optimizing.
2207 (cgraph_decide_inlining_of_small_functions): Also consider
2208 always-inline functions.
2209 (cgraph_default_inline_p): Return true for nodes which should
2210 disregard inline limits.
2211 (estimate_function_body_sizes): Assume zero size and time for
2212 nodes which are marked as disregarding inline limits.
2213 (cgraph_decide_recursive_inlining): Do not perform recursive
2214 inlining on always-inline nodes.
2216 2010-04-12 Jakub Jelinek <jakub@redhat.com>
2219 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2220 for exprs satisfying handled_component_p.
2222 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
2224 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2225 non-constant aggregate elements.
2227 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2228 is a real initialization.
2230 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
2233 * c-decl.c (start_function): Move forward check for nested function.
2235 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
2237 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2238 * config/sh/sh.c: Include reload.h.
2239 (sh_legitimize_reload_address): New.
2240 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2241 sh_legitimize_reload_address.
2243 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
2245 * config/sh/sh.md (*movqi_pop): New insn pattern.
2246 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2248 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2250 * config/i386/i386.md (any_shiftrt): New code iterator.
2251 (shiftrt_insn): New code attribute.
2253 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2254 using any_shiftrt code iterator.
2255 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2256 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2257 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2258 pattern from corresponding peephole2 patterns.
2259 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2260 using any_shiftrt code iterator.
2261 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2262 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2263 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2264 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2265 *{ashr,lshr}<mode>3_cmp_zext.
2266 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2268 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2270 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2272 (*lshr<mode>3_cconly): Ditto.
2274 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2276 * config/i386/i386.md (lshr<mode>3): Macroize expander from
2277 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2278 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
2279 pattern from *lshr{di,ti}3_1 and corresponding splitters using
2281 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2282 from corresponding peephole2 patterns.
2283 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2284 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2285 and *lshrdi3_1_rex64 using SWI mode iterator.
2286 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2287 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2288 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2289 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2290 and *lshrdi3_cmp_rex64 using SWI mode iterator.
2291 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2292 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2293 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2294 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2297 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
2299 * config/i386/i386.md (ashr<mode>3): Macroize expander from
2300 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2301 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
2302 pattern from *ashr{di,ti}3_1 and corresponding splitters using
2304 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2305 from corresponding peephole2 patterns.
2306 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2307 (ashrsi3_cvt): Rename from ashrsi3_31.
2308 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2309 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2310 and x86_64_shift_adj_3 using SWI48 mode iterator.
2311 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2312 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2313 and *ashrdi3_1_rex64 using SWI mode iterator.
2314 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2315 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2316 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2317 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2318 and *ashrdi3_cmp_rex64 using SWI mode iterator.
2319 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2320 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2321 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2322 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2324 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2325 * config/i386/i386.c (ix86_split_ashr): Update for renamed
2326 x86_shift<mode>_adj_3 expanders.
2328 2010-04-10 Wei Guozhi <carrot@google.com>
2331 * config/arm/arm.c (arm_pic_static_addr): New function.
2332 (legitimize_pic_address): Call arm_pic_static_addr when it detects
2334 (arm_output_addr_const_extra): Output expression for new pattern.
2335 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2337 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
2339 * ira-costs.c (record_reg_classes): Ignore alternatives that are
2342 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2343 * web.c: Include "insn-config.h" and "recog.h".
2344 (union_match_dups): New function.
2345 (web_main): Call it.
2346 (union_defs): Don't try to recognize match_dups.
2348 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2349 if doing so would replace the entire pattern.
2351 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
2355 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2356 and splitter pattern. Change splitter operand 1 predicate to
2359 2010-04-09 Martin Jambor <mjambor@suse.cz>
2361 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2362 lattices are addresses of CONST_DECLs with the same initial value.
2363 (ipcp_print_all_lattices): Print values of CONST_DECLs.
2364 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2366 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
2367 Bernd Schmidt <bernds@codesourcery.com>
2369 * loop-invariant.c (replace_uses): New static function.
2370 (move_invariant_reg): Use it to ensure we can replace the uses.
2372 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
2374 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2376 (picochip_override_options): Enable section anchors only above -O1.
2377 (picochip_reorg): Fixed a couple of build warnings.
2379 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2381 * configure.ac (plugin -rdynamic test): Log result.
2382 * configure: Regenerate.
2383 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2384 (RDYNAMIC_SPEC): Define.
2385 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2387 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2389 * configure.ac: Determine Sun ld version numbers.
2390 (comdat_group): Restrict GNU ld version checks to gld.
2391 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
2392 (enable_comdat): Support --enable-comdat.
2393 * configure: Regenerate.
2394 * doc/install.texi (Configuration): Document --enable-comdat.
2396 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2398 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
2399 * config/sol2-gld.h: ... here.
2400 * config.gcc (sparc*-*-solaris2*): Reflect this.
2401 (i[34567]86-*-solaris2*): Use it.
2403 2010-04-09 Steve Ellcey <sje@cup.hp.com>
2405 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
2407 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
2409 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
2412 * diagnostic.c (diagnostic_initialize): Initialize
2413 some_warnings_are_errors.
2414 (diagnostic_finish): New.
2415 (diagnostic_action_after_output): Call it before exiting.
2416 (diagnostic_report_diagnostic): Do not print message here. Set
2417 some_warnings_are_errors.
2418 * diagnostic.h (diagnostic_context): Delete
2419 issue_warnings_are_errors_message. Add some_warnings_are_errors.
2420 (diagnostic_finish): Declare.
2421 * toplev.c (toplev_main): Call it before exit.
2423 2010-04-09 Jason Merrill <jason@redhat.com>
2426 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
2427 for incomplete type.
2430 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
2431 based on a warning flag.
2433 2010-04-09 Richard Guenther <rguenther@suse.de>
2435 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
2437 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
2440 * varasm.c (default_assemble_visibility): Wrap vars that are
2441 set, but unused, by targets without GAS.
2442 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
2443 Remove set, but unused, vars.
2444 (rs6000_legitimize_tls_address): Likewise.
2445 (altivec_expand_dst_builtin): Likewise.
2446 * config/darwin.c (machopic_classify_symbol): Likewise.
2447 (machopic_indirection_name): Likewise.
2449 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
2451 * config/i386/i386.md (DWI): New mode iterator.
2452 (S): New mode attribute.
2453 (shift_operand): Ditto.
2454 (shift_immediate_operand): Ditto.
2455 (ashl_input_operand): Ditto.
2456 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
2457 using SDWIM mode iterator.
2458 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
2459 pattern from *ashl{di,ti}3_1 and corresponding splitters using
2461 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
2462 from corresponding peephole2 patterns.
2463 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
2464 and x86_64_shift_adj_1 using SWI48 mode iterator.
2465 (x86_shift<mode>_adj_2): Ditto.
2466 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
2467 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
2468 using SWI48 mode iterator.
2469 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
2470 *ashldi3_cmp_rex64 using SWI mode iterator.
2471 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
2472 *ashldi3_cconly_rex64 using SWI mode iterator.
2473 * config/i386/i386.c (ix86_split_ashl): Update for renamed
2474 x86_shift<mode>_adj_{1,2}.
2475 (ix86_split_ashr): Ditto.
2476 (ix86_split_lshr): Ditto.
2478 2010-04-09 Richard Guenther <rguenther@suse.de>
2480 * target.h (builtin_conversion): Pass in input and output types.
2481 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
2482 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
2483 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
2484 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2486 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2488 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2490 2010-04-09 Richard Guenther <rguenther@suse.de>
2493 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2495 2010-04-09 Richard Guenther <rguenther@suse.de>
2497 * tree-vectorizer.h (struct _stmt_vec_info): Document
2498 that vectype is the type of the LHS.
2499 (supportable_widening_operation, supportable_narrowing_operation):
2500 Get both input and output vector types as arguments.
2501 (vect_is_simple_use_1): Declare.
2502 (get_same_sized_vectype): Likewise.
2503 * tree-vect-loop.c (vect_determine_vectorization_factor):
2504 Set STMT_VINFO_VECTYPE to the vector type of the def.
2505 (vectorizable_reduction): Adjust.
2506 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2507 Adjust. Specify the output vector type.
2508 (vect_pattern_recog_1): Adjust.
2509 * tree-vect-stmts.c (get_same_sized_vectype): New function.
2510 (vectorizable_call): Adjust.
2511 (vectorizable_conversion): Likewise.
2512 (vectorizable_operation): Likewise.
2513 (vectorizable_type_demotion): Likewise.
2514 (vectorizable_type_promotion): Likewise.
2515 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2517 (vect_is_simple_use_1): New function.
2518 (supportable_widening_operation): Get both input and output
2520 (supportable_narrowing_operation): Likewise.
2521 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2523 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
2525 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2526 __thiscall and _thiscall as predefined macros.
2527 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2528 thiscall attribute handling.
2529 (ix86_comp_type_attributes): Likewise.
2530 (ix86_function_regparm): Likewise.
2531 (ix86_return_pops_args): Likewise.
2532 (init_cumulative_args): Likewise.
2533 (find_drap_reg): Likewise.
2534 (ix86_static_chain): Likewise.
2535 (x86_this_parameter): Likewise.
2536 (x86_output_mi_thunk): Likewise.
2537 (ix86_attribute_table): Add description for thiscall attribute.
2538 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2539 * doc/extend.texi: Add documentation for thiscall.
2541 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
2544 * c.opt (Wint-to-pointer-cast): Available in C++.
2545 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2547 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
2549 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2550 * calls.c (expand_call): Pass the function type to aggregate_value_p.
2551 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2552 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
2553 function type instead. Reorder and simplify checks.
2555 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2557 2010-04-08 Jing Yu <jingyu@google.com>
2558 Zdenek Dvorak <ook@ucw.cz>
2560 PR tree-optimization/42720
2561 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2562 loop unswitch conditions here from ...
2563 (tree_unswitch_single_loop): ... here.
2565 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
2567 * tree-if-conv.c: Fix comments and simplify logic.
2569 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
2571 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2572 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
2573 (main_tree_if_conversion): Update call to tree_if_conversion.
2575 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
2578 * doc/invoke.texi (-b,-V): Delete.
2579 * doc/tm.texi: Do not mention -b.
2580 * gcc.c (display_help): Delete -b and -V.
2581 (process_command): Delete -b and -V.
2582 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2584 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
2585 Wolfgang Gellerich <gellerich@de.ibm.com>
2587 Implement target hook for loop unrolling
2588 * target.h (loop_unroll_adjust): Add a new target hook function.
2589 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2590 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2591 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2592 (s390_loop_unroll_adjust): Implement the new target hook for s390.
2593 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2595 (decide_unroll_stupid): Likewise.
2597 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2600 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2602 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2604 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2605 (Specific, *-*-solaris2*): Likewise.
2606 Don't prefer Sun as over GNU as.
2608 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
2610 * config/s390/s390.c (override_options): Adjust the z10
2611 defaults for max-unroll-times, max-completely-peeled-insns
2612 and max-completely-peel-times.
2614 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2616 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2617 instructions for z10.
2618 (s390_expand_setmem): Likewise.
2619 (s390_expand_cmpmem): Likewise.
2621 2010-04-08 Richard Guenther <rguenther@suse.de>
2623 PR tree-optimization/43679
2624 * tree-ssa-pre.c (eliminate): Only propagate copies.
2626 2010-04-08 Jakub Jelinek <jakub@redhat.com>
2629 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2630 set but not used variable warning.
2632 2010-04-08 Wei Guozhi <carrot@google.com>
2635 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2636 (arm_size_rtx_costs): Call the new function when optimized for size.
2638 2010-04-08 Jakub Jelinek <jakub@redhat.com>
2641 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2642 op0 is not a MEM, just return NULL instead of assertion
2644 (discover_nonconstant_array_refs): Don't walk debug stmts.
2646 2010-04-08 Doug Kwan <dougkwan@google.com>
2648 * configure.ac: Recognize gold and do not use its version number
2649 to test ld features.
2650 * configure: Regenerate.
2652 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
2655 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2656 (negate_value): Move code to push elements to broken_up_substracts ...
2657 (eliminate_plus_minus_pair): ... here. Push operands that have no
2658 negative pair to plus_negates.
2659 (repropagate_negates, init_reassoc, fini_reassoc): Update.
2661 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2663 * doc/install.texi (Configuration): Move description of
2664 --enable-lto, --with-libelf*, --enable-gold from Java section to
2667 * doc/generic.texi (Working with declarations)
2668 (Function Properties, C and C++ Trees): Fix typos.
2669 * doc/sourcebuild.texi (Top Level): Likewise.
2671 2010-04-07 Jakub Jelinek <jakub@redhat.com>
2674 * tree.h (DECL_READ_P): Define.
2675 (struct tree_decl_common): Add decl_read_flag.
2676 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2677 a set but not used warning.
2678 (merge_decls): Merge DECL_READ_P flag.
2679 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2680 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2681 * c-common.c (handle_used_attribute, handle_unused_attribute):
2683 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2685 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2687 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2688 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2689 c_parser_binary_expression, c_parser_cast_expression,
2690 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2691 Call default_function_array_read_conversion instead of
2692 default_function_array_conversion where needed.
2693 (c_parser_unary_expression, c_parser_conditional_expression,
2694 c_parser_postfix_expression_after_primary, c_parser_initelt):
2695 Likewise. Call mark_exp_read where needed.
2696 (c_parser_statement_after_labels, c_parser_asm_operands,
2697 c_parser_typeof_specifier, c_parser_sizeof_expression,
2698 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2700 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2702 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2703 (warn_unused_but_set_parameter): Default to warn_unused
2705 * doc/invoke.texi: Document -Wunused-but-set-variable and
2706 -Wunused-but-set-parameter.
2708 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2709 used count variable.
2710 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2711 when operandN variables aren't used in the body of the expander
2713 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2714 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2715 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2716 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2717 FOR_EACH_IMM_USE_ON_STMT): Likewise.
2718 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2719 * tree.c (PROCESS_ARG): Likewise.
2721 2010-04-07 Simon Baldwin <simonb@google.com>
2723 * diagnostic.h (diagnostic_override_option_index): New macro to
2724 set a diagnostic's option_index.
2725 * c-tree.h (c_cpp_error): Add warning reason argument.
2726 * opts.c (_warning_as_error_callback): New.
2727 (register_warning_as_error_callback): Store callback for
2728 warnings enabled via enable_warning_as_error.
2729 (enable_warning_as_error): Call callback, minor code tidy.
2730 * opts.h (register_warning_as_error_callback): Declare.
2731 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2732 response to -Werror=.
2733 (c_common_init_options): Register warning_as_error_callback in opts.c.
2734 * common.opt: Add -Wno-cpp option.
2735 * c-common.c (struct reason_option_codes_t): Map cpp warning
2736 reason codes to gcc option indexes.
2737 * (c_option_controlling_cpp_error): New function, lookup the gcc
2738 option index for a cpp warning reason code.
2739 * (c_cpp_error): Add warning reason argument, call
2740 c_option_controlling_cpp_error for diagnostic_override_option_index.
2741 * doc/invoke.texi: Document -Wno-cpp.
2743 2010-04-07 Richard Guenther <rguenther@suse.de>
2745 * ipa-reference.c (mark_load): Use get_base_address.
2746 (mark_store): Likewise.
2748 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2749 inserting GIMPLE_NOPs into the IL.
2750 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2751 Explicitly strip handled components and indirect references.
2753 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2754 folding address expressions.
2755 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2756 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2757 operand_equal_p to compare decls.
2758 (ptr_deref_may_alias_decl_p): Likewise.
2759 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2760 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2761 Handle reversed comparison ops.
2762 * tree-sra.c (asm_visit_addr): Use get_base_address.
2763 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2764 * ipa-reference.c (mark_address): Use get_base_address.
2766 2010-04-07 Richard Guenther <rguenther@suse.de>
2768 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2769 Propagate constants everywhere.
2771 2010-04-07 Jakub Jelinek <jakub@redhat.com>
2774 * tree.c (MAX_INT_CACHED_PREC): Define.
2775 (nonstandard_integer_type_cache): New array.
2776 (build_nonstandard_integer_type): Cache results for precision
2777 <= MAX_INT_CACHED_PREC.
2779 2010-04-07 Richard Guenther <rguenther@suse.de>
2781 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2782 -fargument-noalias-global, -fargument-noalias-anything): Remove.
2783 * common.opt: Likewise.
2784 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2785 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2786 (nonoverlapping_memrefs_p): Likewise.
2787 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2788 * opts.c (common_handle_option): Handle OPT_fargument_alias,
2789 OPT_fargument_noalias, OPT_fargument_noalias_anything and
2790 OPT_fargument_noalias_global for backward compatibility.
2792 2010-04-07 Richard Guenther <rguenther@suse.de>
2794 PR tree-optimization/43270
2795 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2796 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2797 * tree-ssa-pre.c (phi_translate_1): Adjust.
2798 (fully_constant_expression): Split out vn_reference handling to ...
2799 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2800 Fold reads from constant strings.
2801 (vn_reference_lookup): Handle fully constant references.
2802 (vn_reference_lookup_pieces): Likewise.
2803 * Makefile.in (expmed.o-warn): Add -Wno-error.
2805 2010-04-07 Martin Jambor <mjambor@suse.cz>
2807 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2809 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
2812 * gcc.c: Add -static-libstdc++ to list of recognized options.
2814 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2816 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2818 2010-04-07 Richard Guenther <rguenther@suse.de>
2821 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2822 bases build simple mem attributes to retain points-to information.
2824 2010-04-07 Richard Guenther <rguenther@suse.de>
2827 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2828 preserve points-to related information.
2830 2010-04-07 Richard Guenther <rguenther@suse.de>
2833 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2834 discard plain indirect references.
2835 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2836 * tree.c (tree_nop_conversion): Likewise.
2838 2010-04-07 Dodji Seketeli <dodji@redhat.com>
2841 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2843 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
2845 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2846 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2848 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2850 * tree-if-conv.c: Fix indentation and comments.
2852 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2854 * tree-if-conv.c: Sort static functions in topological order.
2856 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2858 * tree-if-conv.c: Fix indentation and comments.
2860 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2863 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2864 lang_hooks.types.type_for_size instead of
2865 build_nonstandard_integer_type.
2866 When converting an unsigned type to signed, double its precision.
2867 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2868 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2869 (graphite_create_new_loop_guard): When ub + 1 wraps around,
2872 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2875 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2876 POINTER_PLUS_EXPR for pointer types.
2878 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2881 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2882 * graphite-clast-to-gimple.c: Include langhooks.h.
2883 (max_signed_precision_type): New.
2884 (max_precision_type): Takes two types as arguments.
2885 (precision_for_value): New.
2886 (precision_for_interval): New.
2887 (gcc_type_for_interval): New.
2888 (gcc_type_for_value): New.
2889 (gcc_type_for_clast_term): New.
2890 (gcc_type_for_clast_red): New.
2891 (gcc_type_for_clast_bin): New.
2892 (gcc_type_for_clast_expr): Split up into several functions.
2893 (gcc_type_for_clast_eq): Rewritten.
2894 (compute_bounds_for_level): New.
2895 (compute_type_for_level_1): New.
2896 (compute_type_for_level): New.
2897 (gcc_type_for_cloog_iv): Removed.
2898 (gcc_type_for_iv_of_clast_loop): Rewritten.
2899 (graphite_create_new_loop): Compute the lower and upper bound types
2900 with gcc_type_for_clast_expr.
2901 (graphite_create_new_loop_guard): Same.
2902 (find_cloog_iv_in_expr): Removed.
2903 (compute_cloog_iv_types_1): Removed.
2904 (compute_cloog_iv_types): Removed.
2905 (gloog): Do not call compute_cloog_iv_types.
2906 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
2908 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
2909 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
2910 (GBB_CLOOG_IV_TYPES): Removed.
2912 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2914 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2915 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2916 (detect_commutative_reduction): Same.
2918 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2920 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2921 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
2923 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
2924 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
2925 (rewrite_commutative_reductions_out_of_ssa): Same.
2926 * passes.c (execute_function_todo): Call verify_ssa for every pass
2927 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
2928 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
2929 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
2930 with an extra argument.
2931 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
2932 verify_ssa only when the extra argument is true.
2933 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
2934 with an extra argument.
2935 (tree_transform_and_unroll_loop): Same.
2937 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2939 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
2940 for all the passes of the LNO having LOOP_CLOSED_SSA.
2941 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
2942 * tree-loop-distribution.c (pass_loop_distribution): Same.
2943 * tree-pass.h (TODO_verify_loops): Removed.
2944 * tree-ssa-loop.c (pass_tree_loop_init): Same.
2946 (pass_tree_unswitch): Same.
2947 (pass_predcom): Same.
2948 (pass_vectorize): Same.
2949 (pass_linear_transform): Same.
2950 (pass_graphite_transforms): Same.
2951 (pass_iv_canon): Same.
2952 (pass_complete_unroll): Same.
2953 (pass_complete_unrolli): Same.
2954 (pass_parallelize_loops): Same.
2955 (pass_loop_prefetch): Same.
2956 (pass_iv_optimize): Same.
2958 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
2961 * passes.c (init_optimization_passes): Move pass_lim before
2962 pass_copy_prop and pass_dce_loop.
2964 2010-04-06 Jakub Jelinek <jakub@redhat.com>
2967 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
2968 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
2969 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
2970 MULTI_* defines for 4 argument vpermil2p* builtins.
2972 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
2974 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
2975 * config/i386/i386.c (x86_maybe_negate_const_int): New.
2976 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
2977 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
2978 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
2979 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
2980 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
2981 Use x86_maybe_negate_const_int to output insn mnemonic.
2982 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
2983 check from instruction predicate. Update comments.
2984 * config/i386/sync.md (sync_add<mode>): Use
2985 x86_maybe_negate_const_int to output insn mnemonic.
2987 2010-04-06 Jan Hubicka <jh@suse.cz>
2989 PR tree-optimization/42906
2990 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
2991 IGNORE_SELF argument. Set visited_control_parents for fully
2993 (find_obviously_necessary_stmts): Update call of
2994 mark_control_dependent_edges_necessary.
2995 (propagate_necessity): Likewise. Handle PHI edges more curefully.
2997 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
2999 * config/i386/i386.md: Remove comment about 'e' and 'E'
3002 2010-04-06 Richard Guenther <rguenther@suse.de>
3004 PR tree-optimization/43627
3005 * tree-vrp.c (extract_range_from_unary_expr): Widenings
3006 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
3009 2010-04-06 Jakub Jelinek <jakub@redhat.com>
3011 * BASE-VER: Change to 4.6.0.
3014 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
3017 2010-04-06 Richard Guenther <rguenther@suse.de>
3020 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
3022 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3024 * doc/invoke.texi (Optimize Options): Document that LTO
3025 won't remove object access purely due to incompatible
3028 2010-04-04 Matthias Klose <doko@ubuntu.com>
3030 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
3031 Initialize variable.
3033 2010-04-03 Richard Guenther <rguenther@suse.de>
3036 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
3037 require a non-NULL MEM_OFFSET.
3039 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
3041 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
3042 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
3043 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
3044 config/alpha/predicates.md, config/arm/arm.md,
3045 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
3046 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
3047 config/darwin9.h, config/darwin.c, config/darwin.h,
3048 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
3049 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
3050 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
3051 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
3052 config/mips/mips.md, config/mn10300/mn10300.c,
3053 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
3054 config/rs6000/aix.h, config/rs6000/dfp.md,
3055 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
3056 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
3057 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
3058 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
3059 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
3060 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
3061 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
3062 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
3063 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
3064 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
3065 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3066 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3067 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3068 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3069 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3070 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3071 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3072 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3073 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3074 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3075 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3076 opt-functions.awk, opth-gen.awk, params.def, passes.c,
3077 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3078 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3079 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3080 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3081 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3082 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3083 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3084 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3085 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3086 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3087 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3088 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3089 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3090 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3092 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3095 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3096 * aclocal.m4: Regenerate.
3098 2010-04-02 Richard Guenther <rguenther@suse.de>
3100 PR tree-optimization/43629
3101 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3102 if we have seen a constant value.
3104 2010-04-02 Joseph Myers <joseph@codesourcery.com>
3106 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3108 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
3111 * arm.c (legitimize_tls_address): Adjust call to
3112 gen_tls_load_dot_plus_four.
3113 (arm_note_pic_base): New function.
3114 (arm_cannot_copy_insn_p): Use it.
3115 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3118 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3123 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3125 * Makefile.in ($(out_object_file)): Depend on
3126 gt-$(basename $(notdir $(out_file))).h.
3128 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
3130 * config.gcc (lm32-*-rtems*): Add t-lm32.
3132 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
3134 * config.gcc: Add lm32-*-rtems*.
3135 * config/lm32/rtems.h: New file.
3137 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
3140 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3142 2010-04-01 Jakub Jelinek <jakub@redhat.com>
3144 * dwarf2out.c (output_compilation_unit_header): For
3145 -gdwarf-4 use version 4 instead of version 3.
3146 (output_line_info): For version 4 and above emit additional
3147 maximum ops per insn header field.
3148 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3150 * dwarf2out.c (is_c_family, is_java): Remove.
3151 (lower_bound_default): New function.
3152 (add_bound_info, gen_descr_array_type_die): Use it.
3154 2010-04-01 Dodji Seketeli <dodji@redhat.com>
3157 * dwarf2out.c (gen_variable_die): Allow debug info for variable
3158 re-declaration when it happens in a function.
3160 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
3162 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
3163 (cgraph_remove_function_insertion_hook): Same.
3164 (cgraph_call_function_insertion_hooks): Same.
3166 2010-04-01 Richard Guenther <rguenther@suse.de>
3169 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
3170 and TREE_THIS_VOLATILE.
3171 (copy_ref_info): Likewise.
3172 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
3173 * tree.c (build6_stat): Ignore side-effects of all but arg5
3174 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
3177 2010-04-01 Richard Guenther <rguenther@suse.de>
3179 PR tree-optimization/43607
3180 * ipa-type-escape.c (check_call): Do not access non-existing
3183 2010-04-01 Richard Guenther <rguenther@suse.de>
3187 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
3188 Jack Howarth <howarth@bromo.med.uc.edu>
3190 * tree-profile.c (tree_init_ic_make_global_vars): Make static
3193 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3195 * doc/install.texi (Prerequisites): Document libelf usability on
3196 IRIX 5/6 and Solaris 2.
3197 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
3198 Update GNU as, GNU ld requirements.
3199 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
3200 Document Sun Studio compiler download.
3201 Update and simplify as, ld recommendations.
3202 (Specific, *-*-solaris2.7): Note obsoletion, removal.
3204 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3206 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
3207 with_tune_32 to pentium4.
3209 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
3211 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
3213 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3215 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
3216 obsoletion, removal.
3218 Document GNU as requirement.
3219 Update configure requirements.
3220 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
3221 Recomment IRIX 6.5.18+.
3222 Document IDF/IDL requirement.
3223 Document GNU as requirement.
3224 Document GNU ld bootstrap failure.
3225 Remove freeware.sgi.com reference.
3227 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3229 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
3230 UNIX V4.0, V5.0 obsoletion, removal.
3231 Remove --with-gc=simple reference.
3232 Update VM requirements during bootstrap.
3233 Remove -oldas bootstrap description.
3234 Update binutils reference.
3235 Remove comparison failure note.
3237 2010-03-31 Richard Guenther <rguenther@suse.de>
3238 Zdenek Dvorak <ook@ucw.cz>
3239 Sebastian Pop <sebastian.pop@amd.com>
3242 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
3243 with multiple arguments.
3244 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
3246 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3248 * graphite-dependences.c (print_pddr): Call print_pdr with an
3250 * graphite-poly.c (debug_pdr): Add an extra argument for the
3253 (print_pbb_domain): Same.
3255 (print_scop_context): Same.
3257 (print_cloog): Same.
3258 (debug_pbb_domain): Same.
3262 (debug_scop_context): Same.
3264 (debug_cloog): Same.
3265 (print_scop_params): Same.
3266 (debug_scop_params): Same.
3267 (print_iteration_domain): Same.
3268 (print_iteration_domains): Same.
3269 (debug_iteration_domain): Same.
3270 (debug_iteration_domains): Same.
3271 (print_scattering_function): Same.
3272 (print_scattering_functions): Same.
3273 (debug_scattering_function): Same.
3274 (debug_scattering_functions): Same.
3275 * graphite-poly.h (debug_pdr): Update declaration.
3277 (print_pbb_domain): Same.
3279 (print_scop_context): Same.
3281 (print_cloog): Same.
3282 (debug_pbb_domain): Same.
3286 (debug_scop_context): Same.
3288 (debug_cloog): Same.
3289 (print_scop_params): Same.
3290 (debug_scop_params): Same.
3291 (print_iteration_domain): Same.
3292 (print_iteration_domains): Same.
3293 (debug_iteration_domain): Same.
3294 (debug_iteration_domains): Same.
3295 (print_scattering_function): Same.
3296 (print_scattering_functions): Same.
3297 (debug_scattering_function): Same.
3298 (debug_scattering_functions): Same.
3300 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3302 * graphite-poly.c (print_scattering_function_1): New.
3303 (print_scattering_function): Call it.
3304 (print_scop_params): Remove spaces at the end of lines.
3307 * graphite-poly.h (print_cloog): Declared.
3308 (debug_cloog): Declared.
3310 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3312 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
3314 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
3315 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
3316 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
3317 to switch between adding the IV bump in loop->latch or in loop->header.
3319 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3321 * graphite-poly.c (print_scattering_function): Pretty print following
3324 (print_pbb_domain): Same.
3325 (dump_gbb_cases): Same.
3326 (dump_gbb_conditions): Same.
3329 (print_scop_params): Same.
3330 (print_scop_context): Same.
3332 (print_pbb_body): New.
3333 (lst_indent_to): New.
3334 (print_lst): Start new lines with a #.
3335 * graphite-poly.h (pbb_bb): New.
3336 (pbb_index): Use pbb_bb.
3337 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
3339 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
3341 2010-03-31 Jakub Jelinek <jakub@redhat.com>
3343 * dwarf2out.c (size_of_die): For -gdwarf-4 use
3344 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
3345 and 0 instead of 1 for dw_val_class_flag.
3346 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
3347 dw_val_class_range_list, dw_val_class_loc_list,
3348 dw_val_class_lineptr and dw_val_class_macptr, use
3349 DW_FORM_flag_present for dw_val_class_flag and
3350 DW_FORM_exprloc for dw_val_class_loc.
3351 (output_die): For -gdwarf-4 print dw_val_class_loc
3352 size as uleb128 instead of 1 or 2 bytes and don't print
3353 anything for dw_val_class_flag.
3355 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
3356 instead of cselib_lookup following by tweaking locs->setting_insn.
3359 * cselib.c (cselib_process_insn): Clear cselib_current_insn
3360 even before returning from label, setjmp call or volatile asm
3363 2010-03-31 Richard Guenther <rguenther@suse.de>
3366 * cgraphunit.c (cgraph_output_in_order): Do not allocate
3367 temporary data on stack.
3369 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3371 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
3372 (PUSHSECTION_ASM_OP): Remove.
3373 (POPSECTION_ASM_OP): Remove.
3374 (PUSHSECTION_FORMAT): Remove.
3375 * config/sol2.h (PUSHSECTION_FORMAT): Define.
3376 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
3377 * config/sol2.c (solaris_output_init_fini): Use it.
3379 2010-03-31 Jie Zhang <jie@codesourcery.com>
3382 * opt-functions.awk (var_type_struct): Use signed char type
3383 for simple variables.
3385 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3387 * config/sol2.c: Include output.h.
3388 (solaris_assemble_visibility): New function.
3389 * config/t-sol2 (sol2.o): Add output.h dependency.
3390 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
3391 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
3394 2010-03-31 Jakub Jelinek <jakub@redhat.com>
3397 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
3398 V2SImode or XFmode on PRE_DEC.
3401 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
3404 2010-03-31 Jie Zhang <jie@codesourcery.com>
3407 * reload.h (caller_save_initialized_p): Declare.
3408 * toplev.c (backend_init_target): Don't call
3409 init_caller_save but set caller_save_initialized_p to false.
3410 * caller-save.c (caller_save_initialized_p): Define.
3411 (init_caller_save): Check caller_save_initialized_p.
3412 * ira.c (ira): Call init_caller_save if flag_caller_saves.
3414 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3417 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
3418 and soft-fp/t-softfp to tmake_file.
3419 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
3420 (LIBGCC2_TF_CEXT): Define.
3423 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
3426 * cselib.c (n_useless_values): Document handling of debug locs.
3427 (n_useless_debug_values, n_debug_values): New variables.
3428 (new_elt_loc_list): Don't add to debug values, keep count.
3429 (promote_debug_loc): New.
3430 (cselib_reset_table): Zero new variables.
3431 (entry_and_rtx_equal_p): Promote debug locs.
3432 (discard_useless_locs): Increment n_useless_debug_values for
3434 (remove_useless_values): Adjust n_useless_values and n_debug_values
3435 with n_useless_debug_values.
3436 (add_mem_for_addr): Promote debug locs.
3437 (cselib_lookup_mem): Likewise.
3438 (cselib_lookup_addr): Renamed to...
3439 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
3440 (cselib_log_lookup): ... this. Turn into...
3441 (cselib_lookup_addr): ... new wrapper.
3442 (cselib_lookup_from_insn): New.
3443 (cselib_invalidate_regno): Increment n_useless_debug_values for
3445 (cselib_invalidate_mem): Likewise.
3446 (cselib_process_insn): Take n_deleted and n_debug_values into
3447 account to guard remove_useless_value call.
3448 (cselib_finish): Zero n_useless_debug_values.
3449 * cselib.h (cselib_lookup_from_insn): Declare.
3450 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
3451 (sched_analyze_2): Likewise.
3453 2010-03-30 Jakub Jelinek <jakub@redhat.com>
3455 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
3457 (adjust_mems): Replace narrowing SUBREG of expression containing
3458 just PLUS, MINUS, MULT and ASHIFT of registers and constants
3459 with operations in the narrower mode.
3462 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
3463 regs_invalidated_by_call instead all call_used_reg_set registers.
3465 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
3468 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
3469 pointer comparisons with types_compatible_p.
3470 * tree-vect-stmts.c (vectorizable_call): Same.
3471 (vectorizable_condition): Same.
3473 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3475 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
3476 stack check if the mask would be zero.
3478 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
3479 Jack Howarth <howarth@bromo.med.uc.edu>
3481 * tree-profile.c (tree_init_ic_make_global_vars): Make static
3484 2010-03-30 Joseph Myers <joseph@codesourcery.com>
3487 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
3489 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
3490 Include ___unordxf2 and ___unordtf2.
3491 * config/i386/libgcc-glibc.ver: Do not define inheritance from
3494 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
3496 * config/lm32/t-lm32: New file.
3497 * config.gcc: Use the above file when targetting lm32.
3499 2010-03-28 Duncan Sands <baldrick@free.fr>
3501 * Makefile.in (PLUGIN_HEADERS): Add except.h.
3503 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
3506 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
3507 Improve vectorization cost model diagnostic.
3509 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
3512 * tree-vect-data-refs.c (vect_analyze_data_refs): When
3513 compute_data_dependences_for_loop returns false, early exit
3514 and output an extra diagnostic for the failed data reference
3517 2010-03-29 Richard Guenther <rguenther@suse.de>
3519 PR tree-optimization/43560
3520 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
3521 (can_sm_ref_p): Treat stores to readonly locations as trapping.
3523 2010-03-29 Jie Zhang <jie@codesourcery.com>
3526 * toplev.c (process_options): Set optimization_default_node
3527 and optimization_current_node.
3528 * opts.c (decode_options): Don't set optimization_default_node
3529 and optimization_current_node.
3531 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
3533 * config/rtems.h: Abandon -qrtems_debug.
3535 2010-03-28 Jan Hubicka <jh@suse.cz>
3537 PR tree-optimization/43505
3538 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
3539 map should not be copied.
3541 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3544 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
3545 cdtors, set DECL_PRESERVE_P.
3546 * ipa.c (cgraph_externally_visible_p): Return true if declaration
3549 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
3551 PR tree-optimization/43528
3552 * stor-layout.c (place_field): Check that constant fits into
3553 unsigned HWI when skipping calculation of MS bitfield layout.
3555 2010-03-27 Jan Hubicka <jh@suse.cz>
3558 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
3559 notice_global_symbol work.
3561 2010-03-27 Jakub Jelinek <jakub@redhat.com>
3563 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
3564 instead of dwarf2out_decl.
3565 (struct var_loc_node): Remove section_label field.
3566 (dwarf2out_function_decl): New function.
3567 (dwarf2out_var_location): Don't set section_label field.
3568 (dwarf2out_begin_function): Don't empty decl_loc_table here.
3570 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
3572 PR tree-optimization/43544
3573 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3574 First argument for builtin vectorized function hook is now a
3575 tree to be able to distinguish between machine specific and
3577 * targhooks.c (default_builtin_vectorized_function): Ditto.
3578 * targhooks.h (default_builtin_vectorized_function): Ditto.
3579 * target.h (struct gcc_target): Ditto.
3580 * tree-vect-stmts.c (vectorizable_function): Ditto.
3581 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
3582 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
3585 2010-03-26 Joseph Myers <joseph@codesourcery.com>
3588 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
3589 nested binding iff it is a FUNCTION_DECL.
3590 (store_parm_decls_newstyle): Pass nested=true to bind for
3591 FUNCTION_DECLs amongst parameters.
3593 2010-03-26 Jakub Jelinek <jakub@redhat.com>
3595 * var-tracking.c (vt_expand_loc_callback): Don't run
3596 cselib_expand_value_rtx_cb in dummy mode if
3597 cselib_dummy_expand_value_rtx_cb returned false.
3599 * var-tracking.c (emit_note_insn_var_location): For one part
3600 notes with offset 0, don't add EXPR_LIST around the location.
3601 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
3602 add_location_or_const_value_attribute): Adjust for that change.
3605 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
3606 into first operand and location into second.
3607 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
3608 dw_cfi_oprnd_loc for DW_CFA_expression.
3609 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
3610 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
3611 assume first argument is regnum and second argument is location.
3613 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
3616 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
3617 of scratch register to DImode. Split to DImode comparison operator.
3618 Use SImode subreg of scratch register in the multiplication.
3619 (*cmp_sadd_sidi): Ditto.
3620 (*cmp_ssub_si): Ditto.
3621 (*cmp_ssub_sidi): Ditto.
3623 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
3626 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
3627 Remove invalid assert and wrong comment.
3629 2010-03-26 Jakub Jelinek <jakub@redhat.com>
3632 * flags.h (final_insns_dump_p): New extern.
3633 * final.c (final_insns_dump_p): New variable.
3634 (rest_of_clean_state): Set it before -fdump-final-insns=
3635 dumping, clear afterwards.
3636 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
3637 MEM_ALIAS_SET on MEMs.
3639 2010-03-26 David S. Miller <davem@davemloft.net>
3641 * configure.ac: Fix sparc GOTDATA_OP bug check.
3642 * configure: Rebuild.
3644 2010-03-26 Alan Modra <amodra@gmail.com>
3646 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
3648 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3650 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
3651 TLS_SECTION_ASM_FLAG.
3653 2010-03-25 Jakub Jelinek <jakub@redhat.com>
3656 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
3657 Clear first_function_block_is_cold.
3660 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
3661 argument if the argument is truth_value_p.
3663 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
3665 * config/rs6000/constraints.md: Update copyright year for my changes.
3668 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
3669 used in reg+reg addressing, swap registers.
3671 2010-03-24 Jakub Jelinek <jakub@redhat.com>
3674 * target.h (struct gcc_target): Add code_end hook.
3675 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
3677 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
3678 * toplev.c (compile_file): Call targetm.asm_out.code_end
3679 hook before unwind info/debug info output.
3680 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
3681 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
3682 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3683 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
3684 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3685 * config/i386/i386.c (ix86_file_end): Renamed to...
3686 (ix86_code_end): ... this. Make static. Don't call
3687 file_end_indicate_exec_stack. Emit unwind info using
3688 final_start_function/final_end_function.
3689 (darwin_x86_file_end): Remove.
3690 (TARGET_ASM_CODE_END): Define.
3691 * config/i386/i386.h (TARGET_ASM_FILE_END,
3692 NEED_INDICATE_EXEC_STACK): Don't define.
3693 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
3694 (TARGET_ASM_FILE_END): Define to darwin_file_end.
3695 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
3696 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
3699 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
3700 at the beginning and final_end_function at the end.
3701 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
3703 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3705 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
3706 and Sun as TLS syntax.
3707 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
3708 * configure: Regenerate.
3709 * config.in: Regenerate.
3710 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
3711 (default_elf_asm_named_section): Use it.
3712 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
3713 (i386_output_dwarf_dtprel): Likewise.
3714 (output_addr_const_extra): Likewise.
3715 (output_pic_addr_const): Lowercase @GOTTPOFF.
3716 (output_addr_const_extra): Likewise.
3717 (output_pic_addr_const): Lowercase @GOTNTPOFF.
3718 (output_addr_const_extra): Likewise.
3719 (output_pic_addr_const): Lowercase @INDNTPOFF.
3720 (output_addr_const_extra): Likewise.
3721 (output_pic_addr_const): Lowercase @NTPOFF.
3722 (output_addr_const_extra): Likewise.
3723 (output_pic_addr_const): Lowercase @TPOFF.
3724 (output_addr_const_extra): Likewise.
3725 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
3726 (*tls_global_dynamic_64): Likewise.
3727 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
3728 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
3730 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
3731 (ASM_OUTPUT_TLS_COMMON): Use it.
3732 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
3735 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
3736 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
3737 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
3738 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
3739 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3740 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
3742 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3744 * config/i386/i386.c (override_options): Don't accept
3745 -mtls-dialect=sun any longer.
3746 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
3747 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
3748 (*tls_local_dynamic_base_32_sun): Likewise.
3749 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3751 2010-03-24 Jakub Jelinek <jakub@redhat.com>
3754 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
3755 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
3758 * ira.c (adjust_cleared_regs): New function.
3759 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
3763 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
3765 * expr.c (expand_expr_real): Restore previous
3766 curr_insn_source_location and curr_insn_block after
3767 expand_expr_real_1 call.
3768 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
3769 instead of expand_expr_real_1.
3771 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
3773 PR rtl-optimization/43413
3774 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
3777 2010-03-22 James E. Wilson <wilson@codesourcery.com>
3780 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
3781 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
3783 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
3785 * config/i386/i386.c (ix86_target_string): Add -mfma.
3786 Fix a typo in comment.
3788 2010-03-22 Mike Stump <mikestump@comcast.net>
3791 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3792 Don't overly align based upon packed packed fields.
3794 2010-03-22 Jason Merrill <jason@redhat.com>
3796 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
3797 Use () rather than [], and move before the element type.
3799 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3801 * doc/configfiles.texi (Configuration Files): Removed
3802 fixinc/Makefile*, intl/Makefile.*.
3803 * doc/makefile.texi: Fixed markup. Abstract from version
3804 control system used.
3805 (Makefile): Removed obsolete gcc/java/parse.y example.
3806 * doc/sourcebuild.texi: Likewise.
3807 (Top Level): Added config, gnattools, libdecnumber, libgcc,
3808 libgomp, libssp. Removed fastjar.
3809 (Miscellaneous Docs): Clarify location.
3810 Added COPYING3, COPYING3.LIB.
3811 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
3813 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3816 * config/i386/i386.c (x86_function_profiler)
3817 [!NO_PROFILE_COUNTERS]: Fix typo.
3818 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
3821 2010-03-22 Janis Johnson <janis187@us.ibm.com>
3822 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3824 * doc/sourcebuild.texi (Test Directives): Split into six
3825 subsections, with most of the current text in new subsections
3826 Directives, Selectors, and Final Actions.
3827 (Directives): Split list of test directives into multiple
3829 (Selectors): Describe use and syntax of selectors.
3830 (Effective-Target Keywords): Describe all existing keywords.
3831 (Add Options): Describe features for dg-add-options.
3832 (Require Support): Describe variants of dg-require-support.
3833 (Final Actions): Describe commands to use in dg-final.
3835 2010-03-22 Michael Matz <matz@suse.de>
3838 * recog.c (validate_replace_rtx_group): Replace also in
3839 REG_EQUAL and REG_EQUIV notes.
3841 2010-03-22 Richard Guenther <rguenther@suse.de>
3843 PR tree-optimization/43390
3844 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
3845 sure vector extracts are type correct.
3847 2010-03-22 Richard Guenther <rguenther@suse.de>
3850 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
3851 x * sqrt (x) even when optimizing for size if the target
3852 has native support for sqrt.
3854 2010-03-22 Jakub Jelinek <jakub@redhat.com>
3856 * varasm.c (make_decl_rtl_for_debug): Also clear
3857 flag_mudflap for the duration of make_decl_rtl call.
3860 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
3861 locs from preserved VALUEs.
3863 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3866 * pa.md (movmemsi): Set align to one if zero.
3867 (movmemdi): Likewise.
3869 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
3872 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
3873 with their corresponding prologue pushes.
3875 2010-03-20 Andrew Pinski <pinskia@gmail.com>
3878 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
3879 at the begining or end.
3880 (spu_expand_epilogue): Likewise.
3882 2010-03-20 Richard Guenther <rguenther@suse.de>
3884 PR rtl-optimization/43438
3885 * combine.c (make_extraction): Properly zero-/sign-extend an
3886 extraction of the low part of a CONST_INT. Also handle
3889 2010-03-19 Mike Stump <mikestump@comcast.net>
3891 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
3892 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
3893 (override_options): Use SUBTARGET32_DEFAULT_CPU.
3895 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
3898 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
3901 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
3903 PR rtl-optimization/42258
3904 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
3905 use that may match DEF.
3908 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
3909 the cost of loading the constant rather than assuming
3911 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
3912 outer code is AND, do the same tests as the andsi3 expander and
3913 return COSTS_N_INSNS (1) if and is cheap.
3915 * optabs.c (avoid_expensive_constant): Fix formatting.
3917 2010-03-19 Michael Matz <matz@suse.de>
3920 * attribs.c (decl_attributes): When rebuilding a function pointer
3921 type use the same qualifiers as the original pointer type.
3923 2010-03-19 Martin Jambor <mjambor@suse.cz>
3925 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
3926 and is_gimple_ip_invariant_address.
3928 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3931 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3933 * config/arm/arm.c (arm_override_options): Turn off
3934 flag_dwarf2_cfi_asm for AAPCS variants.
3936 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3939 * config/arm/arm.c (emit_multi_reg_push): Update comments.
3940 Use PRE_MODIFY instead of PRE_DEC.
3941 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
3942 (vfp_emit_fstmd): Likewise.
3944 2010-03-19 Michael Matz <matz@suse.de>
3947 * builtins.c (expand_builtin_interclass_mathfn,
3948 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
3951 2010-03-19 Richard Guenther <rguenther@suse.de>
3953 PR tree-optimization/43415
3954 * tree-ssa-pre.c (phi_translate): Split out worker to ...
3955 (phi_translate_1): ... this.
3956 (phi_translate): Move all caching here. Cache all NARY
3957 and REFERENCE translations.
3959 2010-03-19 David S. Miller <davem@davemloft.net>
3961 With help from Eric Botcazou.
3962 * config/sparc/sparc.c: Include dwarf2out.h.
3963 (emit_pic_helper): Delete.
3964 (pic_helper_symbol_name): Delete.
3965 (pic_helper_emitted_p): Delete.
3966 (pic_helper_needed): New.
3967 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
3968 (get_pc_thunk_name): New.
3969 (load_pic_register): Remove 'delay_pic_helper' arg. Use
3970 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
3971 Set pic_helper_needed to true. Don't call emit_pic_helper.
3972 (sparc_expand_prologue): Update load_pic_register call.
3973 (sparc_output_mi_thunk): Likewise.
3974 (sparc_file_end): Emit a hidden comdat symbol for the PIC
3975 thunk if possible. Output CFI information as needed.
3977 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
3978 Jack Howarth <howarth@bromo.med.uc.edu>
3981 * config/i386/i386.h: Fix ABI on darwin x86-32.
3983 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
3985 * tree.h: Declare make_decl_rtl_for_debug.
3986 * varasm.c (make_decl_rtl_for_debug): New.
3987 * dwarf2out.c (rtl_for_decl_location): Call it.
3988 * cfgexpand.c (expand_debug_expr): Call it.
3990 2010-03-18 Jakub Jelinek <jakub@redhat.com>
3993 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
3997 * var-tracking.c (vt_init_cfa_base): Do nothing if
3998 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
4000 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
4003 * var-tracking.c (canonicalize_vars_star): New.
4004 (dataflow_post_merge_adjust): Use it.
4006 2010-03-18 Jakub Jelinek <jakub@redhat.com>
4009 * var-tracking.c (non_suitable_const): New function.
4010 (add_uses): For DEBUG_INSNs with constants, don't record any
4011 value, instead just the constant value itself.
4012 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
4013 is not VAR_LOC_UNKNOWN_P, set var to the constant.
4014 (emit_notes_in_bb): Likewise.
4015 (emit_note_insn_var_location): For onepart variables if
4016 cur_loc is a VOIDmode constant, use DECL_MODE.
4018 2010-03-18 Martin Jambor <mjambor@suse.cz>
4021 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
4022 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
4023 all non-clones. Moved call redirection...
4024 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
4025 (cgraph_materialize_all_clones): Dispose of all
4026 combined_args_to_skip bitmaps.
4027 (verify_cgraph_node): Do not check for edges pointing to wrong
4028 nodes in inline clones.
4029 * tree-inline.c (copy_bb): Call
4030 cgraph_redirect_edge_call_stmt_to_callee.
4031 * ipa.c (cgraph_remove_unreachable_nodes): Call
4032 cgraph_node_remove_callees even when there are used clones.
4034 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
4036 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
4038 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
4041 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
4044 2010-03-18 Michael Matz <matz@suse.de>
4047 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
4048 into sqrt(x) if we need to preserve signed zeros.
4050 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
4051 Eric Botcazou <ebotcazou@adacore.com>
4053 PR rtl-optimization/43360
4054 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
4055 note if we don't know its invariant status.
4057 2010-03-18 Michael Matz <matz@suse.de>
4059 PR tree-optimization/43402
4060 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
4061 PHI chains of ssa names registered for update.
4063 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
4066 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
4067 non-offsettable and pre_modify update addressing.
4068 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
4069 and "2" alternatives "#".
4070 (*movdd_softfloat32): Make all alternatives "#";
4071 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
4072 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
4073 (*movdf_softfloat32): Make all alternatives "#";
4074 (movdi): Use the new DIFD mode iterator to create a common splitter
4075 for movdi, movdf and movdd patterns.
4077 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
4079 * common.opt (dumpdir): Remove redundant tab.
4081 2010-03-17 Martin Jambor <mjambor@suse.cz>
4083 PR tree-optimization/43347
4084 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
4085 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
4087 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
4089 PR rtl-optimization/42216
4090 * regrename.c (create_new_chain): New function, broken out from...
4091 (scan_rtx_reg): ... here. Call it. Handle the case where we are
4092 appending a use to an empty chain.
4093 (build_def_use): Remove previous changes that convert OP_INOUT to
4094 OP_OUT operands; instead detect the case where an OP_INOUT operand
4095 uses a previously untracked register and create an empty chain for it.
4097 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4099 * doc/extend.texi (Function Attributes): Rewrite unfinished
4100 sentence in ms_abi documentation.
4102 2010-03-17 Alan Modra <amodra@gmail.com>
4104 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
4105 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
4106 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
4107 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
4109 2010-03-16 Richard Henderson <rth@redhat.com>
4112 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
4113 (lower_try_finally): Save and restore eh_seq around the expansion
4116 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
4118 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
4119 statements before splitting block.
4121 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4123 * doc/sourcebuild.texi (Testsuites): Fix markup.
4124 Use pathnames relative to gcc/testsuite.
4125 (Test Directives): Move description of how timeout is determined.
4126 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
4127 (C Tests): Correct gcc.misc-tests directory.
4128 Framework tests now live in gcc.test-framework.
4130 2010-03-16 Richard Guenther <rguenther@suse.de>
4133 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
4134 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
4136 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
4137 Alexandre Oliva <aoliva@redhat.com>
4139 PR tree-optimization/42917
4140 * lambda-code.c (remove_iv): Skip debug statements.
4141 (lambda_loopnest_to_gcc_loopnest): Likewise.
4142 (not_interesting_stmt): Debug statements are not interesting.
4144 2010-03-16 Jakub Jelinek <jakub@redhat.com>
4148 * cselib.c (cselib_preserve_constants,
4149 cfa_base_preserved_val): New static variables.
4150 (preserve_only_constants): New function.
4151 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
4152 clear its REG_VALUES. If cselib_preserve_constants, don't
4153 empty the whole hash table, but preserve there VALUEs with constants,
4154 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
4155 (cselib_preserve_cfa_base_value): New function.
4156 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
4157 (cselib_init): Change argument to int bitfield. Set
4158 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
4160 (cselib_finish): Clear cselib_preserve_constants and
4161 cfa_base_preserved_val.
4162 * cselib.h (enum cselib_record_what): New enum.
4163 (cselib_init): Change argument to int.
4164 (cselib_preserve_cfa_base_value): New prototype.
4165 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
4166 * dse.c (dse_step1): Likewise.
4167 * cfgcleanup.c (thread_jump): Likewise.
4168 * sched-deps.c (sched_analyze): Likewise.
4169 * gcse.c (local_cprop_pass): Likewise.
4170 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
4171 If FN is non-NULL, call the callback always and whenever it returns
4172 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
4173 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
4174 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
4175 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
4176 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
4177 * var-tracking.c: Include recog.h.
4178 (bb_stack_adjust_offset): Remove.
4179 (vt_stack_adjustments): Don't call it, instead just gather the
4180 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
4181 (adjust_stack_reference): Remove.
4182 (compute_cfa_pointer): New function.
4183 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
4184 (struct adjust_mem_data): New type.
4185 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
4187 (get_address_mode): New function.
4188 (replace_expr_with_values): Use it.
4189 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
4190 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
4191 (adjust_sets): Remove.
4192 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
4193 Use get_address_mode.
4194 (get_adjusted_src): Remove.
4195 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
4196 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
4197 (add_with_sets): Don't call adjust_sets.
4198 (fp_setter, vt_init_cfa_base): New functions.
4199 (vt_initialize): Change return type to bool. Move most of pool etc.
4200 initialization to the beginning of the function from end. Pass
4201 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
4202 If !frame_pointer_needed, call vt_stack_adjustment before mos
4203 vector is filled, call vt_init_cfa_base if argp/framep has been
4204 eliminated to sp. If frame_pointer_needed and argp/framep has
4205 been eliminated to hard frame pointer, set
4206 hard_frame_pointer_adjustment and call vt_init_cfa_base after
4207 encountering fp setter in the prologue. For MO_ADJUST, call
4208 log_op_type before pusing the op into mos vector, not afterwards.
4209 Call adjust_insn before cselib_process_insn/add_with_sets,
4210 call cancel_changes (0) afterwards.
4211 (variable_tracking_main_1): Adjust for vt_initialize calling
4212 vt_stack_adjustments and returning whether it succeeded or not.
4214 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
4216 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
4219 2010-03-15 Jakub Jelinek <jakub@redhat.com>
4221 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
4223 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
4224 drap_reg has not been set.
4226 2010-03-15 Michael Matz <matz@suse.de>
4229 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
4230 use it to expand block copies.
4231 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
4232 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
4233 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
4235 2010-03-15 Richard Guenther <rguenther@suse.de>
4237 PR tree-optimization/43367
4238 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
4241 2010-03-15 Richard Guenther <rguenther@suse.de>
4243 PR tree-optimization/43317
4244 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
4246 2010-03-15 Martin Jambor <mjambor@suse.cz>
4248 PR tree-optimization/43141
4249 * tree-sra.c (create_abstract_origin): New function.
4250 (modify_function): Call create_abstract_origin.
4252 2010-03-15 Chris Demetriou <cgd@google.com>
4254 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
4257 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4260 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
4261 call insert_out_of_ssa_copy for default definitions.
4263 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4265 * graphite-clast-to-gimple.c (my_long_long): Defined.
4266 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
4267 * graphite-sese-to-poly.c (my_long_long): Defined.
4268 (scop_ivs_can_be_represented): Use it.
4270 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4272 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
4273 graphite-max-bbs-per-function, and loop-block-tile-size.
4274 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
4276 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
4278 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4280 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
4281 forward declaration.
4282 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
4283 (add_upper_bounds_from_estimated_nit): New.
4284 (build_loop_iteration_domains): Use it.
4286 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4288 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
4290 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4293 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
4294 should be an INTEGER_CST. Also handle CASE_CONVERT.
4296 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4298 * graphite.c (graphite_initialize): To bound the number of bbs per
4299 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
4300 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
4301 * doc/invoke.texi: Document it.
4303 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4305 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
4306 * graphite-sese-to-poly.h (build_poly_scop): Same.
4308 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4310 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
4311 the number of parameters in the scop. Use as an upper bound
4312 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
4313 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
4314 * doc/invoke.texi: Document it.
4316 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
4318 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
4319 * doc/c-tree.texi: Remove.
4320 * doc/generic.texi: Merge c-tree.texi here.
4321 * doc/gccint.texi (Trees): Remove menu entry.
4322 (c-tree.texi): Remove @include.
4323 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
4324 * doc/languages.texi (Reading RTL): Ditto.
4326 2010-03-12 Steve Ellcey <sje@cup.hp.com>
4329 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
4331 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
4334 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
4335 code added to work around reload clobbering CONST insns.
4337 2010-03-12 Jakub Jelinek <jakub@redhat.com>
4339 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
4340 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
4341 (cselib_preserve_only_values): Remove retain argument, don't
4342 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
4343 * cselib.h (cselib_preserve_only_values): Remove retain argument.
4344 * var-tracking.c (micro_operation): Move insn field before union.
4345 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
4346 (struct variable_tracking_info_def): Remove n_mos field, change
4347 mos into a vector of micro_operations.
4348 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
4349 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
4350 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
4351 changing into a vector.
4352 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
4353 come before all other uops generated by add_stores.
4354 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
4356 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
4357 a vector. Run just one pass over the bbs instead of separate counting
4358 and computation phase.
4359 (vt_finalize): Free VTI (bb)->mos vector instead of array.
4362 * tree-inline.c (remap_decls): Put old_var rather than origin_var
4363 into *nonlocalized_list vector.
4364 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
4365 even if origin is non-NULL.
4366 (gen_variable_die): Likewise.
4367 (process_scope_var): Don't change origin.
4368 (gen_decl_die): Likewise.
4369 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
4370 before adding new edges instead of after it, fix moving over
4373 2010-03-11 David S. Miller <davem@davemloft.net>
4375 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
4377 * configure: Rebuild.
4379 2010-03-11 Martin Jambor <mjambor@suse.cz>
4381 PR tree-optimization/43257
4382 * tree.c (assign_assembler_name_if_neeeded): New function.
4383 (free_lang_data_in_cgraph): Assembler name assignment moved to the
4385 * tree.h (assign_assembler_name_if_neeeded): Declare.
4386 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
4387 the function if needed.
4389 2010-03-11 Chris Demetriou <cgd@google.com>
4391 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
4392 include/stdint-gcc.h, and include/stdint.h world-readable.
4394 2010-03-11 Richard Guenther <rguenther@suse.de>
4396 PR tree-optimization/43255
4397 * tree-vrp.c (process_assert_insertions_for): Do not insert
4398 asserts for trivial conditions.
4400 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4402 PR tree-optimization/43280
4403 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
4404 generation. Move calculation of size out of the if branch.
4405 (find_bswap): Modify compare number generation.
4407 2010-03-11 Richard Guenther <rguenther@suse.de>
4410 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
4411 (input_gimple_stmt): Fixup handled component types during
4412 operand read. Also fix up decls in ADDR_EXPRs.
4414 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
4416 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
4417 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
4419 2010-03-10 Jan Hubicka <jh@suse.cz>
4422 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
4423 * varasm.c (get_variable_section): Don't do that here...
4424 (make_decl_rtl): ... and here.
4425 (do_assemble_alias): Produce decl RTL.
4426 (assemble_alias): Likewise.
4428 2010-03-10 Jakub Jelinek <jakub@redhat.com>
4431 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
4432 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
4434 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
4435 (based_loc_descr): Only express drap or vdrap regno based expressions
4436 using DW_OP_fbreg when not optimizing.
4437 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
4438 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
4439 REG_CFA_SET_VDRAP note.
4441 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
4443 PR tree-optimization/43236
4444 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
4445 error in calculation of base address in reverse iteration case.
4446 (generate_builtin): Take number of latch executions if the statement
4449 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
4452 * tree-eh.c: Include pointer-set.h.
4453 (lower_eh_dispatch): Filter out duplicate case labels and
4454 remove the unneeded edge when the label is unused. Return
4455 true when some edges are removed.
4456 (execute_lower_eh_dispatch): When any lowering resulted in
4457 removing an edge, also delete unreachable blocks.
4459 2010-03-10 Jakub Jelinek <jakub@redhat.com>
4462 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
4463 UNSPEC_MACHOPIC_OFFSET.
4465 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
4468 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
4469 (m68k_delegitimize_address): New function.
4471 2010-03-09 Jakub Jelinek <jakub@redhat.com>
4474 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
4477 * var-tracking.c (adjust_sets): New function.
4478 (count_with_sets, add_with_sets): Use it.
4479 (get_adjusted_src): New inline function.
4480 (add_stores): Use it.
4483 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
4484 call cselib_dummy_expand_value_rtx_cb instead of
4485 cselib_expand_value_rtx_cb.
4488 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
4489 * config/i386/i386.c: Include debug.h and dwarf2out.h.
4490 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
4491 and .cfi_endproc around the pic thunks.
4492 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
4493 all queued unwind info register saves are saved before the call.
4494 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
4495 considered as sp-=4 for unwind info and the pop as sp+=4 which
4496 also clobbers dest, but doesn't actually restore it.
4499 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
4500 RTX_FRAME_RELATED_P.
4502 2010-03-09 Jie Zhang <jie@codesourcery.com>
4504 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
4505 whitespaces in output template.
4507 2010-03-09 Jie Zhang <jie@codesourcery.com>
4509 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
4512 2010-03-08 Jakub Jelinek <jakub@redhat.com>
4514 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
4515 builtins.exp in a separate job.
4517 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4519 * graphite-sese-to-poly.c (add_param_constraints): Use
4520 lower_bound_in_type and upper_bound_in_type.
4522 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4524 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
4525 instead of unsigned_type_node.
4527 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4528 Reza Yazdani <reza.yazdani@amd.com>
4531 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
4532 on pointer type parameters.
4534 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
4538 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
4539 handle conversions from pointer to integers.
4540 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
4541 induction variable, to be able to work with code generated by CLooG.
4542 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
4543 (build_poly_scop): Bail out if we cannot codegen a loop.
4545 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
4547 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
4548 code generation with gloog_error.
4550 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4552 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
4553 Call fold_convert on all the returned values.
4554 (expand_scalar_variables_expr): Pass to
4555 expand_scalar_variables_ssa_name the type of the resulting expression.
4557 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4559 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
4560 ppl_min_for_le_pointset.
4561 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
4562 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
4564 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4566 * graphite-dependences.c (map_into_dep_poly): Removed.
4567 (dependence_polyhedron_1): Use combine_context_id_scat.
4569 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4571 * graphite-poly.h (struct poly_scattering): Add layout documentation.
4572 (struct poly_bb): Same.
4573 (combine_context_id_scat): New.
4575 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4578 * sese.c (name_defined_in_loop_p): Return false for default
4581 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4583 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
4584 and clean up the logic.
4586 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4588 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
4591 2010-03-08 Jakub Jelinek <jakub@redhat.com>
4593 * var-tracking.c (remove_cselib_value_chains): Define only for
4595 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
4596 delete_slot_part, emit_notes_for_differences_1): Don't call
4597 remove_cselib_value_chains here.
4598 (set_slot_part, emit_notes_for_differences_2): Don't call
4599 add_cselib_value_chains here.
4600 (preserved_values): New vector.
4601 (preserve_value): New function.
4602 (add_uses, add_stores, vt_add_function_parameters): Use it
4603 instead of cselib_preserve_value.
4604 (changed_values_stack): New vector.
4605 (check_changed_vars_0): New function.
4606 (check_changed_vars_1, check_changed_vars_2): Use it.
4607 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
4608 changed_values_stack VALUEs.
4609 (vt_emit_notes): For all preserved_values call
4610 add_cselib_value_chains. If ENABLE_CHECKING call
4611 remove_cselib_value_chains before verifying value_chains is empty.
4612 Initialize and free changed_values_stack.
4613 (vt_initialize): Initialize preserved_values.
4614 (vt_finalize): Free preserved_values.
4616 2010-03-08 Richard Guenther <rguenther@suse.de>
4618 PR tree-optimization/43269
4619 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
4622 2010-03-08 Martin Jambor <mjambor@suse.cz>
4624 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
4625 (ipa_is_param_called): Removed.
4626 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
4627 (ipa_print_node_params): Do not print the called flag.
4628 (ipa_write_node_info): Do not stream the called flag.
4629 (ipa_read_node_info): Likewise.
4631 2010-03-07 Jakub Jelinek <jakub@redhat.com>
4634 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
4635 * cselib.c (struct expand_value_data): Add dummy field.
4636 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
4638 (cselib_dummy_expand_value_rtx_cb): New function.
4639 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
4641 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
4642 * var-tracking.c: Include pointer-set.h.
4643 (variable): Change n_var_parts to char from int. Add
4644 cur_loc_changed and in_changed_variables fields.
4645 (variable_canonicalize): Remove.
4646 (shared_var_p): New inline function.
4647 (unshare_variable): Maintain cur_loc_changed and
4648 in_changed_variables fields. If var was in changed_variables,
4649 replace it there with new_var. Just copy cur_loc instead of
4650 resetting it to something else.
4651 (variable_union): Don't recompute cur_loc. Use shared_var_p.
4652 (dataflow_set_union): Don't call variable_canonicalize.
4653 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
4654 of their DEBUG_EXPR_TREE_DECLs.
4655 (canonicalize_loc_order_check): Verify that cur_loc is NULL
4656 and in_changed_variables and cur_loc_changed is false.
4657 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
4658 and cur_loc_changed. Don't update cur_loc here.
4659 (variable_merge_over_src): Don't call variable_canonicalize.
4660 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
4661 removing loc that is equal to cur_loc, clear cur_loc,
4662 set cur_loc_changed and ensure variable_was_changed is called.
4663 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
4664 compare pointers in cur_loc check, if it is equal to loc,
4665 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
4666 (variable_different_p): Remove compare_current_location argument,
4667 don't compare cur_loc.
4668 (dataflow_set_different_1): Adjust variable_different_p caller.
4669 (variable_was_changed): If dv had some var in changed_variables
4670 already, reset in_changed_variables flag for it and propagate
4671 cur_loc_changed over to the new variable. On empty var
4672 always set cur_loc_changed. Set in_changed_variables on whatever
4673 var is added to changed_variables.
4674 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
4675 Use shared_var_p. When removing loc that is equal to cur_loc,
4676 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
4677 end, don't set it to something else, just call variable_was_changed.
4678 (delete_slot_part): Use shared_var_p. When cur_loc equals to
4679 loc being removed, clear cur_loc and set cur_loc_changed.
4680 Set cur_loc_changed if all locations have been removed.
4681 (struct expand_loc_callback_data): New type.
4682 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
4683 allocated. Always create SUBREGs if simplify_subreg failed.
4684 Prefer to use cur_loc, when that fails and still in
4685 changed_variables (and seen first time) recompute it. Set
4686 cur_loc_changed of variables which had to change cur_loc and
4687 compute elcd->cur_loc_changed if any of the subexpressions used
4688 had to change cur_loc.
4689 (vt_expand_loc): Adjust to pass arguments in
4690 expand_loc_callback_data structure.
4691 (vt_expand_loc_dummy): New function.
4692 (emitted_notes): New variable.
4693 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
4694 that weren't used for any other decl in current
4695 emit_notes_for_changes call call vt_expand_loc_dummy to update
4696 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
4697 first loc_chain location if NULL before. Always use just
4698 cur_loc instead of first loc_chain location. When cur_loc_changed
4699 is false, when not --enable-checking=rtl just don't emit any note.
4700 When rtl checking, compute the note and assert it is the same
4701 as previous note. Clear cur_loc_changed and in_changed_variables
4702 at the end before removing from changed_variables.
4703 (check_changed_vars_3): New function.
4704 (emit_notes_for_changes): Traverse changed_vars to call
4705 check_changed_vars_3 on each changed var.
4706 (emit_notes_for_differences_1): Clear cur_loc_changed and
4707 in_changed_variables. Recompute cur_loc of new_var.
4708 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
4709 (vt_emit_notes): Initialize and destroy emitted_notes.
4711 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
4713 PR rtl-optimization/42220
4714 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
4715 Use verify_reg_tracked to determine if we should use OP_OUT rather
4717 (build_def_use): If we see an in-out operand for a register that we
4718 know nothing about, treat is an output if possible, fail the block if
4721 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4724 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
4727 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4730 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
4731 uses of relevant DEFs that are dead outside the loop too.
4733 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4735 * var-tracking.c (dataflow_set_merge): Swap src and src2.
4737 2010-01-13 Jakub Jelinek <jakub@redhat.com>
4739 * var-tracking.c (values_to_unmark): New variable.
4740 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
4741 values_to_unmark vector. Moved body to...
4742 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
4743 instead queue it into values_to_unmark vector.
4744 (vt_find_locations): Free values_to_unmark vector.
4746 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
4748 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
4749 (site.exp): Export them when plugins are enabled.
4751 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
4754 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
4756 (chrec_fold_multiply): Same.
4758 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
4761 * c-decl.c (build_compound_literal): Return early if init is
4764 2010-03-04 Martin Jambor <mjambor@suse.cz>
4766 PR tree-optimization/43164
4767 PR tree-optimization/43191
4768 * tree-sra.c (type_consists_of_records_p): Reject records with
4769 zero-size bit-fields at the end.
4771 2010-03-04 Mike Stump <mikestump@comcast.net>
4773 * Makefile.in (TAGS): Remove *.y.
4775 2010-03-04 Richard Guenther <rguenther@suse.de>
4777 PR tree-optimization/40761
4778 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
4780 (my_rev_post_order_compute): New function.
4781 (init_pre): Call it.
4783 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
4786 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
4787 decrease the cost of an IV candidate when the cost is infinite.
4789 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4791 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
4792 Use '3DNow!' for the extension of that name, ensure normal space
4794 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
4796 2010-03-03 Jeff Law <law@redhat.com>
4798 * PR middle-end/32693
4799 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
4800 than gen_rtx_SUBREG.
4801 (extract_bit_field_1): Likewise.
4803 2010-03-03 Janis Johnson <janis187@us.ibm.com>
4805 * doc/sourcebuild.texi (Test directives): Document that arguments
4806 include-opts and exclude-opts are now optional for dg-skip-if,
4807 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
4809 2010-03-03 Jason Merrill <jason@redhat.com>
4812 * cgraph.h (varpool_node): Add extra_name field.
4813 * varpool.c (varpool_extra_name_alias): New.
4814 (varpool_assemble_decl): Emit extra name aliases.
4815 (varpool_mark_needed_node): Look past an extra name alias.
4816 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
4817 * lto-streamer-in.c (lto_input_tree): Read it.
4818 * lto-streamer-out.c (output_unreferenced_globals): Write it.
4820 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
4822 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
4823 (sparc*-*-solaris2*): ...this.
4825 2010-03-03 Jakub Jelinek <jakub@redhat.com>
4828 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
4829 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
4830 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
4831 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
4834 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
4835 fallthrough to default handling, just with want_address 0 instead of 2.
4836 For single element lists, add_AT_loc directly, otherwise create an
4837 artificial variable DIE and stick location list to it.
4840 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
4841 (VAL_EXPR_HAS_REVERSE): Define.
4842 (reverse_op): New function.
4843 (add_stores): For reversible operations add an extra MO_VAL_USE.
4845 2010-03-02 Jason Merrill <jason@redhat.com>
4847 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
4849 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
4851 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
4852 (sparc64-*-linux*): Likewise.
4853 (sparc64-*-solaris2*): Include assembler files before linker ones.
4854 (sparc-*-solaris2*): Simplify and reorder to match previous case.
4855 * config/sparc/gas.h: Delete.
4856 * config/sparc/sol2-64.h: Add copyright notice.
4857 * config/sparc/sol2-gas-bi.h: Likewise.
4858 * config/sparc/sol2-gld.h: Likewise.
4859 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
4860 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
4861 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
4862 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
4863 (sparc_elf_asm_named_section): Rename into...
4864 (sparc_solaris_elf_asm_named_section): ...this. Always define.
4866 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
4868 * config/alpha/alpha.c (override_options): Fix -mtune error message.
4870 2010-03-02 Jeff Law <law@redhat.com>
4873 * reload1.c (rtx_p, substitute_stack): Declare.
4874 (substitute): Record addresses of changed rtxs.
4875 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
4876 Restore the original rtx when complete.
4877 (reload): Free subsitute_stack when complete.
4879 2010-03-02 Janis Johnson <janis187@us.ibm.com>
4881 * doc/gccint.texi (menu): Add Testsuites as a chapter.
4882 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
4884 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
4885 LTO Testing, gcov Testing, profopt Testing, compat Testing,
4886 Torture Tests): Change from subsection to section.
4888 2010-03-02 Jakub Jelinek <jakub@redhat.com>
4889 Steven Bosscher <steven@gcc.gnu.org>
4891 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
4894 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
4897 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
4898 the assignment from the new induction variable to the assignment
4899 of the value from the original loop PHI function.
4901 2010-03-01 Janis Johnson <janis187@us.ibm.com>
4902 Daniel Jacobowitz <dan@codesourcery.com>
4904 * doc/sourcebuild.texi (Test directives): Clarify options to
4907 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4909 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
4910 Disable cfi directives unless GCC and gas agree on using read-only
4911 .eh_frame sections for 64-bit.
4912 * configure: Regenerate.
4914 2010-03-01 Richard Guenther <rguenther@suse.de>
4916 PR tree-optimization/43220
4917 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
4918 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
4920 2010-03-01 Richard Guenther <rguenther@suse.de>
4921 Martin Jambor <mjambor@suse.cz>
4924 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
4925 gimplified parameters.
4927 2010-03-01 Christian Bruel <christian.bruel@st.com>
4929 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
4931 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
4933 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
4935 2010-03-01 Richard Guenther <rguenther@suse.de>
4938 * expr.c (expand_assignment): Use the alias-oracle to tell
4939 if the rhs aliases the result decl.
4941 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4944 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
4945 to sol_gt_pch_get_address.
4946 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
4947 64-bit, SPARC and x86.
4948 (sol_gt_pch_get_address): New function.
4950 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
4952 * toplev.h (inform_n, error_n): Declare.
4953 * diagnostic.c (inform_n, error_n): New function.
4955 2010-03-01 Jakub Jelinek <jakub@redhat.com>
4957 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
4958 has no rtl yet when processing local_decls, queue it and recheck
4959 if deferred stack allocation hasn't assigned it rtl.
4961 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
4963 * config/sh/sh.c (unspec_bbr_uid): New.
4964 (gen_block_redirect): Use it instead of INSN_UID.
4965 (gen_far_branch): Likewise.
4967 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
4969 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
4970 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
4972 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4974 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
4975 (Warning Options): -Wno-conversion-null is valid for
4976 Objective-C++ as well.
4977 * doc/tm.texi (Named Address Spaces): Likewise.
4978 * doc/plugins.texi (Plugins): Replace TABs with spaces.
4979 * doc/tree-ssa.texi (Tree SSA): Likewise.
4981 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4984 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
4985 by default. Don't set the default arch for
4986 i[34567]86-*-darwin*|x86_64-*-darwin*.
4988 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4991 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
4992 default. Set the default 32bit/64bit archs with $with_arch
4993 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
4995 2010-02-27 Richard Guenther <rguenther@suse.de>
4997 PR tree-optimization/43186
4998 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
4999 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
5000 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
5001 unroller iterations.
5003 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5005 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
5006 required and i[34567]86-*-* targets don't support 64bit ISA.
5008 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
5011 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
5014 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
5016 * config.gcc: Set the default arch at least to Prescott for
5017 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
5018 if SSE math is enabled.
5020 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5022 * diagnostic.c (diagnostic_initialize): Update.
5023 (diagnostic_report_diagnostic): Test inhibit_notes_p for
5025 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
5026 (diagnostic_inhibit_notes): New.
5027 * toplev.c (process_options): inhibit notes with -fcompare-debug.
5029 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5032 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
5033 * doc/standards.texi: Likewise.
5034 * doc/extend.texi: Likewise.
5035 * doc/trouble.texi: Likewise.
5036 * doc/cppopts.texi: Likewise.
5037 * doc/install.texi: Likewise.
5038 * c.opt (std=c90,std=gnu90): New options.
5039 * c-opts.c (c_common_handle_option): Handle them.
5041 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5044 * c-decl.c (undeclared_variable): Use an informative note.
5046 2010-02-26 Richard Guenther <rguenther@suse.de>
5048 PR tree-optimization/43186
5049 * gimple.h (gimple_fold): Remove.
5050 * gimple.c (gimple_fold): Remove. Inline into single user ...
5051 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
5052 Try harder for conditions.
5054 2010-02-26 Jakub Jelinek <jakub@redhat.com>
5057 * function.c (used_types_insert): Don't skip through named pointer
5058 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
5059 and it is different from the main variant's type.
5061 2010-02-26 Nick Clifton <nickc@redhat.com>
5063 * config/rx/rx.md (sminsi3): Remove bogus alternative.
5065 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
5067 * config.gcc: Support --with-fpmath=sse for x86.
5069 * config/i386/ssemath.h: New.
5071 * doc/install.texi (--with-fpmath=sse): Documented.
5073 2010-02-26 Richard Guenther <rguenther@suse.de>
5075 PR tree-optimization/43188
5076 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
5077 vector types of over-aligned element type.
5079 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
5082 * config/i386/i386.c (expand_vec_perm_blend): Use correct
5083 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
5085 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
5087 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
5089 2010-02-26 Jakub Jelinek <jakub@redhat.com>
5091 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
5092 * var-tracking.c: Include diagnostic.h.
5093 (debug_dv): New function.
5094 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
5097 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
5098 (add_value_chain, add_value_chains, remove_value_chain,
5099 remove_value_chains): Handle DEBUG_EXPRs.
5100 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
5103 * regcprop.c (struct queued_debug_insn_change): New type.
5104 (struct value_data_entry): Add debug_insn_changes field.
5105 (struct value_data): Add n_debug_insn_changes field.
5106 (debug_insn_changes_pool): New variable.
5107 (free_debug_insn_changes, apply_debug_insn_changes,
5108 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
5109 (kill_value_one_regno): Call free_debug_insn_changes if needed.
5110 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
5112 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
5114 (copyprop_hardreg_forward_1): Don't call apply_change_group for
5115 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
5116 changes, call cprop_find_used_regs via note_stores.
5117 (copyprop_hardreg_forward): When copying vd from predecessor
5118 which has any queued DEBUG_INSN changes, make sure the pointers are
5119 cleared. At the end call df_analyze and then if there are any
5120 DEBUG_INSN changes queued at the end of some basic block for still
5121 live registers, apply them.
5122 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
5124 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
5126 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
5129 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
5131 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
5132 targets. Set the default with_cpu/with_arch from arch/cpu.
5133 Allow x86-64 and native for with_cpu/with_arch.
5135 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
5137 * ebitmap.c: Change calls to verify_popcount with calls to
5138 sbitmap_verify_popcount.
5139 (ebitmap_clear_bit): Fixed map->cacheindex test and
5140 map>cache update when bit clearing results in an empty
5143 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
5146 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
5147 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
5148 and support both V2DF and V2DI modes.
5149 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
5150 support both V2DF and V2DI modes.
5151 (general): Delete trailing whitespace from a few patterns.
5153 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
5154 V2DF/V2DI interleave high/low builtins.
5156 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
5159 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
5160 interleave high/low functions.
5162 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
5164 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
5165 #pragma extern_prefix.
5167 2010-02-25 Jakub Jelinek <jakub@redhat.com>
5170 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
5171 BLKmode, assert op0 is a MEM and just adjust its mode.
5174 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
5175 if bitpos isn't multiple of mode's bitsize.
5177 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
5179 * c.opt (-ftemplate-depth=): New.
5180 (-ftemplate-depth-): Deprecate.
5181 * optc-gen.awk: Handle -ftemplate-depth=.
5182 * opth-gen.awk: Likewise.
5183 * c-opts.c (c_common_handle_option): Likewise.
5184 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
5186 2010-02-24 Jason Merrill <jason@redhat.com>
5188 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
5190 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5192 * cfg.c (alloc_aux_for_block): Remove inline.
5193 (alloc_aux_for_edge): Likewise.
5195 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5197 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
5199 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5201 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
5202 * config/i386/sol2-gas.h: New file.
5203 * config.gcc (i[34567]86-*-solaris2*): Use it.
5205 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
5208 * c-typeck.c (ep_convert_and_check): New.
5209 (build_conditional_expr): Use it.
5210 (build_binary_op): Likewise.
5212 2010-02-24 Jakub Jelinek <jakub@redhat.com>
5214 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
5217 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
5218 bounds even for -O+.
5219 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
5220 expr needs to have DECL_NAME set.
5222 2010-02-24 Nick Clifton <nickc@redhat.com>
5224 * config/mep/mep.c: Include gimple.h.
5225 (mep_function_uses_sp): Delete unused function.
5226 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
5227 parameters. Use unsigned integers to count args. Return a
5228 NULL_RTX instead of an error_mark_node. Toidy up formatting.
5230 2010-02-23 Jakub Jelinek <jakub@redhat.com>
5233 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
5234 greater or equal to nelt instead of 2 * nelt.
5235 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
5238 2010-02-23 Jason Merrill <jason@redhat.com>
5241 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
5242 in cfun->local_decls even if they have register types.
5245 * stor-layout.c (place_field): Don't warn about unnecessary
5246 DECL_PACKED if the type is packed.
5248 2010-02-23 Jakub Jelinek <jakub@redhat.com>
5251 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
5252 GOTOFF relocs, even when the base reg isn't pic pointer.
5254 2010-02-23 Michael Matz <matz@suse.de>
5257 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
5258 (expand_gimple_basic_block): Generate and use debug temps if there
5259 are debug uses left after the last real use of TERed ssa names.
5260 Unlink debug immediate uses when they are expanded.
5262 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
5265 * config/i386/i386.c (override_options): Reorganise to provide
5266 better error messages.
5268 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5271 * graphite-scop-detection.c (create_single_exit_edge): Move
5272 the call to find_single_exit_edge to....
5273 (create_sese_edges): ...here. Don't handle multiple edges
5274 exiting the function.
5275 (build_graphite_scops): Don't handle multiple edges
5276 exiting the function.
5278 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5281 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
5282 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
5284 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5287 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
5289 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
5292 * c-typeck.c (convert_arguments): Print declaration location.
5293 * c-common.c (validate_nargs): Rename as
5294 builtin_function_validate_nargs.
5295 (check_builtin_function_arguments): Update.
5297 2010-02-22 Richard Guenther <rguenther@suse.de>
5300 * tree-inline.c (declare_return_variable): Use the type of
5301 the call stmt lhs if available.
5303 2010-02-22 Duncan Sands <baldrick@free.fr>
5305 * passes.c (register_pass): Always consider all pass lists when
5306 ref_pass_instance_number is zero.
5308 2010-02-22 Richard Guenther <rguenther@suse.de>
5310 PR tree-optimization/42749
5311 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
5312 parameter. Do arithmetic in the original type.
5313 (update_accumulator_with_ops): Likewise.
5314 (adjust_accumulator_values): Adjust.
5316 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5318 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
5319 (QI to BLKmode splitter): New splitter.
5321 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
5323 * config/i386/i386.c (initial_ix86_tune_features): Turn on
5324 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
5326 2010-02-22 Richard Guenther <rguenther@suse.de>
5328 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
5330 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
5332 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
5333 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
5334 ($(T)crti.o, $(T)crtn.o): Remove rules.
5336 2010-02-21 Tobias Burnus <burnus@net-b.de>
5339 * doc/invoke.texi (-fassociative-math): Document that this
5340 option is automatically enabled for Fortran.
5342 2010-02-20 David S. Miller <davem@davemloft.net>
5344 * configure.ac: Test if linker and assembler properly support
5345 GOTDATA_OP relocations.
5346 * configure: Rebuild.
5347 * config.in: Likewise.
5348 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
5349 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
5350 (movsi_high_pic): Likewise.
5351 (movdi_lo_sum_pic): Likewise.
5352 (movdi_high_pic): Likewise.
5353 (movsi_pic_gotdata_op): New pattern.
5354 (movdi_pic_gotdata_op): Likewise.
5355 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
5356 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
5358 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
5361 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
5362 attribute to ssemul.
5363 (xop_mulv2div2di3_high): Ditto.
5365 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
5368 * c.opt (Wconversion-null): New option.
5369 * doc/invoke.texi (Wconversion-null): Document.
5371 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
5373 * common.opt (Wlarger-than-): Add Undocumented.
5375 2010-02-19 Mike Stump <mikestump@comcast.net>
5377 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
5379 2010-02-19 Jason Merrill <jason@redhat.com>
5382 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
5383 * configure: Likewise.
5385 2010-02-20 Alan Modra <amodra@gmail.com>
5388 * cgraph.h (cgraph_make_decl_local): Declare.
5389 * cgraph.c (cgraph_make_decl_local): New function.
5390 (cgraph_make_node_local): Use it.
5391 * cgraphunit.c (cgraph_function_versioning): Likewise.
5392 * ipa.c (function_and_variable_visibility): Likewise.
5394 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5397 * except.c (sjlj_emit_function_enter): Don't call
5398 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
5400 * rtl.h (add_reg_br_prob_note): Remove prototype.
5402 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
5405 * c-common.c (conversion_warning): Remove widening conversions
5406 before checking the conversion of integers to reals.
5408 2010-02-19 Mike Stump <mikestump@comcast.net>
5411 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
5414 * cgraphunit.c (process_function_and_variable_attributes): Check
5415 DECL_PRESERVE_P instead of looking up attribute "used".
5416 * ipa-pure-const.c (check_decl): Likewise.
5417 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
5418 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
5419 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
5420 instead of attribute "used".
5421 * config/sol2-c.c (solaris_pragma_init): Likewise.
5422 (solaris_pragma_fini): Likewise.
5424 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5426 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
5427 Use XCNEW instead of xcalloc.
5428 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
5429 XNEW instead of xmalloc.
5430 (get_fields): Use XNEWVEC instead of xmalloc.
5433 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
5434 populate vars array.
5435 (create_new_general_access): For debug stmts just reset value.
5436 (get_stmt_accesses): For accesses within debug stmts just record them
5437 using add_access_to_acc_sites instead of preventing the peeling or
5438 counting them as accesses.
5441 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
5443 2010-02-19 Richard Guenther <rguenther@suse.de>
5445 PR tree-optimization/42916
5446 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
5449 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
5451 * configure.ac: Replace all uses of changequote in macro arguments
5452 with proper quoting.
5454 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5457 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
5459 2010-02-19 Richard Guenther <rguenther@suse.de>
5461 PR tree-optimization/42944
5462 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
5463 test for aliasing with errno.
5465 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5468 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
5469 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
5470 * dojump.c: Include output.h.
5471 (inv): New inline function.
5472 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
5473 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
5474 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
5475 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
5476 argument, pass it down to other calls.
5477 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
5478 add REG_BR_PROB note to the conditional jump.
5479 * cfgexpand.c (add_reg_br_prob_note): Removed.
5480 (expand_gimple_cond): Don't call it, add the probability
5481 as last argument to jumpif_1/jumpifnot_1.
5482 * Makefile.in (dojump.o): Depend on output.h.
5483 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
5485 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
5486 * stmt.c (do_jump_if_equal): Likewise.
5487 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
5488 * loop-unswitch.c (compare_and_jump_seq): Likewise.
5489 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
5491 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
5492 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
5493 jumpifnot_1 callers.
5494 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
5496 (store_expr): Adjust jumpifnot caller.
5497 (store_constructor): Adjust jumpif caller.
5500 * gimplify.c (gimple_boolify): For __builtin_expect call
5501 gimple_boolify also on its first argument.
5503 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
5505 * configure.ac (gnu-unique-object): Wrap regexps using [] in
5507 (__stack_chk_fail): Ditto. Remove quadrigraphs.
5508 * configure: Regenerated.
5510 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5512 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
5513 lang_hooks.types_compatible_p instead of comptypes.
5515 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
5517 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
5518 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
5519 if __prefer_thumb__ is defined.
5521 2010-02-18 Martin Jambor <mjambor@suse.cz>
5523 PR tree-optimization/43066
5524 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
5525 array with zero-sized element type.
5527 2010-02-18 Jakub Jelinek <jakub@redhat.com>
5529 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
5530 rtx, allocate struct var_loc_node here and return it to the
5531 caller, and only if it is actually needed.
5532 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
5533 move it earlier and return immediately if it returns NULL.
5535 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
5537 * config/sparc/gas.h: New file. Restore
5538 TARGET_ASM_NAMED_SECTION to its ELF default.
5539 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
5541 * config/sparc/sparc.c (sparc_elf_asm_named_section):
5542 Likewise. Add ATTRIBUTE_UNUSED to prototype.
5543 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
5544 after sparc/sysv4.h.
5546 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
5548 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
5550 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
5552 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
5553 patterns from predicated pattern.
5555 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
5558 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
5559 for insn mnemonic suffix.
5561 2010-02-17 Richard Guenther <rguenther@suse.de>
5563 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
5566 2010-02-17 Jakub Jelinek <jakub@redhat.com>
5569 * caller-save.c (save_call_clobbered_regs): If BB ends with
5570 a DEBUG_INSN, move any notes in between last real insn and the last
5571 DEBUG_INSN after the last DEBUG_INSN.
5573 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
5575 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
5576 Fix return type. Fix argument type. Explain meaning of return value.
5578 2010-02-16 Richard Guenther <rguenther@suse.de>
5580 PR tree-optimization/41043
5581 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
5582 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
5584 (vrp_visit_phi_node): ... but only for loop PHI nodes.
5586 2010-02-16 Ira Rosen <irar@il.ibm.com>
5588 PR tree-optimization/43074
5589 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
5590 * tree-vect-loop.c (vect_analyze_loop_operations): Add
5591 vectorizable cycles in hybrid SLP check.
5592 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
5594 2010-02-16 Richard Guenther <rguenther@suse.de>
5596 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
5597 (true_dependence): If memrefs_conflict_p computes must-alias
5598 trust it. Move TBAA check after offset-based disambiguation.
5599 (canon_true_dependence): Likewise.
5601 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
5603 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
5604 * doc/invoke.texi: Document it.
5605 * var-tracking.c: Include toplev.h and params.h.
5606 (vt_find_locations): Return bool indicating success. Compute
5607 hash sizes unconditionally. Check new parameter, report.
5608 (variable_tracking_main_1): Check vt_find_locations results and
5609 retry. Renamed from...
5610 (variable_tracking_main): ... this. New wrapper to preserve
5611 flag_var_tracking_assignments.
5612 * Makefile.in (var-tracking.o): Adjust dependencies.
5614 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
5615 Jakub Jelinek <jakub@redhat.com>
5618 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
5619 if weak_import attribute is present.
5620 * config/darwin.c (machopic_select_section): Likewise.
5622 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
5624 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
5625 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
5626 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
5627 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
5629 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
5632 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
5635 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
5636 Rewrite text to refer to the names.
5638 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
5640 * config/i386/i386-builtin-types.def
5641 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
5642 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
5643 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
5644 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
5645 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
5646 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
5647 IX86_BUILTIN_VPERMIL2PS256.
5648 (MULTI_ARG_4_DF2_DI_I): Defined.
5649 (MULTI_ARG_4_DF2_DI_I1): Defined.
5650 (MULTI_ARG_4_SF2_SI_I): Defined.
5651 (MULTI_ARG_4_SF2_SI_I1): Defined.
5652 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
5653 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
5654 __builtin_ia32_vpermil2ps256.
5655 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
5656 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
5657 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
5658 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
5659 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
5660 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
5661 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
5662 CODE_FOR_xop_vpermil2v8sf3.
5663 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
5664 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
5665 * config/i386/xopintrin.h (_mm_permute2_pd): New.
5666 (_mm256_permute2_pd): New.
5667 (_mm_permute2_ps): New.
5668 (_mm256_permute2_ps): New.
5670 2010-02-15 Nick Clifton <nickc@redhat.com>
5672 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
5673 boolean parameters. Use emit_jump_insn when emitting a pop
5674 instruction containing a return insn.
5675 (push): Use 'true' rather than '1' as second parameter to F.
5676 (h8300_expand_prologue): Likewise.
5677 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
5678 (h8300_expand_epilogue): Likewise.
5680 2010-02-15 Richard Guenther <rguenther@suse.de>
5683 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
5686 2010-02-15 Nick Clifton <nickc@redhat.com>
5688 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
5691 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
5693 * intl.c (fake_ngettext): New function.
5694 * intl.h (fake_ngettext): Declare.
5695 (ngettext): Define macro.
5696 * collect2.c (notice_translated): New function.
5697 (main): Use notice_translated and ngettext.
5698 * collect2.h (notice_translated): Declare.
5700 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
5702 * reorg.c (delete_computation): Comment fixes.
5703 * caller-save.c (setup_save_areas): Idem.
5704 * sel-sched-dump.c (dump_lv_set): Idem.
5707 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5709 * config/s390/s390.c (s390_sched_init): New function.
5710 (TARGET_SCHED_INIT): Target hook defined.
5712 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
5713 Jack Howarth <howarth@bromo.med.uc.edu>
5714 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
5717 Partial revert of unintended change in fix for PR41605.
5718 * config/darwin.h: Fix typo.
5719 * config/darwin9.h: Same.
5721 2010-02-11 Jakub Jelinek <jakub@redhat.com>
5723 * c-pch.c (pch_init): Clear v.
5725 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5728 * graphite-scop-detection.c (graphite_can_represent_scev): Call
5729 graphite_can_represent_init for MULT_EXPR.
5731 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5735 * graphite-sese-to-poly.c (remove_phi): New.
5736 (translate_scalar_reduction_to_array): Call remove_phi.
5738 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5741 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
5742 * graphite-clast-to-gimple.h (gloog): Update declaration.
5743 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
5744 * graphite-poly.h (struct poly_bb): Add missing comments.
5745 (struct scop): Add poly_scop_p field.
5747 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
5748 * graphite.c (graphite_transform_loops): Build the polyhedral
5749 representation for each scop before code generation.
5750 * sese.c (rename_variables_in_operand): Removed.
5751 (rename_variables_in_expr): Return the renamed expression.
5752 (rename_sese_parameters): New.
5753 * sese.h (rename_sese_parameters): Declared.
5755 2010-02-11 Richard Guenther <rguenther@suse.de>
5757 PR tree-optimization/42998
5758 * tree-ssa-pre.c (create_expression_by_pieces): Treat
5759 POINTER_PLUS_EXPR properly.
5761 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5762 Changpeng Fang <changpeng.fang@amd.com>
5765 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
5766 the cost of an IV candidate when the IV is used in a test against zero.
5768 * gcc.dg/tree-ssa/ivopts-3.c: New.
5770 2010-02-11 Richard Guenther <rguenther@suse.de>
5773 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
5774 pointer-vs-decl case by swapping refs. Handle some cases
5775 of pointer-vs-decl disambiguations more conservatively.
5776 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
5777 to false after expanding.
5779 2010-02-11 Richard Guenther <rguenther@suse.de>
5782 * gcc.c (process_command): Handle LTO file@offset case more
5785 2010-02-11 Jakub Jelinek <jakub@redhat.com>
5787 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
5788 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
5790 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
5792 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
5793 if MEM's mode size isn't DWARF2_ADDR_SIZE.
5794 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
5795 Optimize eq/ne comparisons when both arguments are known to be
5797 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
5798 Don't mask operands unnecessarily if they are known to be already
5801 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
5803 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
5806 2010-02-10 Richard Guenther <rguenther@suse.de>
5808 PR tree-optimization/43017
5809 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
5810 for wrapping signed arithmetic.
5812 2010-02-10 Jakub Jelinek <jakub@redhat.com>
5815 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
5816 if no debug info should be emitted for it.
5818 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
5820 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
5821 note when flag_exceptions is set.
5823 2010-02-10 Duncan Sands <baldrick@free.fr>
5825 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
5827 2010-02-10 Richard Guenther <rguenther@suse.de>
5830 * tree.c (get_unwidened): Handle constants.
5831 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
5833 2010-02-10 Martin Jambor <mjambor@suse.cz>
5836 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
5837 check for variable argument counts independently.
5839 2010-02-10 Christian Bruel <christian.bruel@st.com>
5842 * config/sh/sh.c (find_barrier): Increase length for non delayed
5843 conditional branches.
5845 2010-02-10 Christian Bruel <christian.bruel@st.com>
5847 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
5849 2010-02-10 Jakub Jelinek <jakub@redhat.com>
5851 * builtins.c (set_builtin_user_assembler_name): Also handle
5852 ffs if int is smaller than word.
5854 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
5857 * ira-conflicts.c (get_dup): Remove.
5858 (process_reg_shuffles): Add new parameter. Use it as an
5859 additional guard for copy generation.
5860 (add_insn_allocno_copies): Rewrite.
5862 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
5864 * common.opt (fsched2-use-traces): Preserved for backward
5866 * doc/invoke.texi: Remove the documentation about option
5867 -fsched2-use-traces.
5868 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
5869 flag_sched2_use_traces.
5870 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
5871 the backward compatibility flag section.
5873 2010-02-09 Richard Guenther <rguenther@suse.de>
5875 PR tree-optimization/43008
5876 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
5877 make HEAP variables initialized from global memory if they
5878 are not known builtin functions.
5879 (find_func_aliases): Adjust.
5881 2010-02-09 Richard Guenther <rguenther@suse.de>
5883 PR tree-optimization/43000
5884 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
5885 arithmetic manually.
5887 2010-02-08 Jakub Jelinek <jakub@redhat.com>
5889 PR tree-optimization/42931
5890 * tree-loop-linear.c (try_interchange_loops): Don't call
5891 double_int_mul if estimated_loop_iterations failed.
5893 2010-02-08 Martin Jambor <mjambor@suse.cz>
5896 * tree-sra.c (build_accesses_from_assign): Do not mark in
5897 should_scalarize_away_bitmap if stmt has volatile ops.
5898 (sra_modify_assign): Do not process assigns piecemeal if if stmt
5901 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
5903 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
5905 2010-02-07 Adam Nemet <adambnmet@gmail.com>
5907 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
5910 2010-02-07 Andrew Pinski <pinskia@gmail.com>
5913 * df-core.c (df_finish_pass): Change type of saved_flags to int.
5915 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
5918 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
5919 to unknown_dependence.
5920 (graphite_legal_transform_dr): Handle the unknown_dependence.
5921 (graphite_carried_dependence_level_k): Same.
5923 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
5925 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
5927 2010-02-07 Richard Guenther <rguenther@suse.de>
5930 * expr.c (get_inner_reference): Always initialize *pbitsize.
5932 2010-02-07 Richard Guenther <rguenther@suse.de>
5935 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
5936 new ARRAY_REFs on variable size element or minimal index arrays.
5938 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
5939 gimple_fold_indirect_ref.
5941 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
5944 * arm.c (arm_override_options): Just return if the user has specified
5945 an invalid fpu name.
5947 2010-02-03 Jason Merrill <jason@redhat.com>
5950 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
5951 i386_pe_maybe_record_exported_symbol.
5953 2010-02-05 Steve Ellcey <sje@cup.hp.com>
5956 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
5957 (pa_delegitimize_address): New function.
5959 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
5961 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
5962 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
5964 2010-02-05 Richard Guenther <rguenther@suse.de>
5967 * lto-streamer-in.c (get_resolution): Deal with references
5968 to undefined functions.
5970 2010-02-05 Richard Guenther <rguenther@suse.de>
5972 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
5973 (fold_const_aggregate_ref): Likewise.
5974 (ccp_fold_stmt): Substitute loads.
5975 (maybe_fold_reference): Verify types before substituting.
5977 (fold_gimple_assign): Unshare properly.
5978 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
5980 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
5982 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
5983 for rs6000_gen_cell_microcode.
5985 2010-02-04 Richard Guenther <rguenther@suse.de>
5987 PR rtl-optimization/42952
5988 * dse.c (const_or_frame_p): Remove MEM handling.
5990 2010-02-04 Nick Clifton <nickc@redhat.com>
5992 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
5993 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
5994 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
5995 (mn10300_asm_output_mi_thunk): New function.
5996 (mn10300_can_output_mu_thunk): New function.
5997 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
5998 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
5999 (FUNCTION_ARG): Delete incorrect comment.
6001 2010-02-03 Jason Merrill <jason@redhat.com>
6004 * fold-const.c (operand_equal_p): Handle erroneous types.
6006 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
6008 * config/h8300/h8300.md (can_delay): Fix attibute condition.
6010 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
6012 PR rtl-optimization/42941
6013 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
6016 2010-02-03 Jason Merrill <jason@redhat.com>
6019 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
6021 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
6024 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
6025 (cselib_reset_table): Renamed from...
6026 (cselib_reset_table_with_next_value): ... this.
6027 (cselib_get_next_uid): Renamed from...
6028 (cselib_get_next_unknown_value): ... this.
6029 * cselib.c (next_uid): Renamed from...
6030 (next_unknown_value): ... this.
6031 (cselib_clear_table): Adjust.
6032 (cselib_reset_table): Adjust. Renamed from...
6033 (cselib_reset_table_with_next_value): ... this.
6034 (cselib_get_next_uid): Adjust. Renamed from...
6035 (cselib_get_next_unknown_value): ... this.
6036 (get_value_hash): Use hash.
6037 (cselib_hash_rtx): Likewise.
6038 (new_cselib_val): Adjust. Set and dump uid.
6039 (cselib_lookup_mem): Pass next_uid as hash.
6040 (cselib_subst_to_values): Likewise.
6041 (cselib_log_lookup): Dump uid.
6042 (cselib_lookup): Pass next_uid as hash. Adjust.
6043 (cselib_process_insn): Adjust.
6044 (cselib_init): Initialize next_uid.
6045 (cselib_finish): Adjust.
6046 (dump_cselib_table): Likewise.
6047 * dse.c (canon_address): Dump value uid.
6048 * print-rtl.c (print_rtx): Print value uid.
6049 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
6051 (dv_uid): New function, sort of renamed from...
6052 (dv_htab_hash): ... this, reimplemented in terms of it and...
6053 (dv_uid2hash): ... this. New.
6054 (variable_htab_eq): Drop excess assertions.
6055 (tie_break_pointers): Removed.
6056 (canon_value_cmp): Compare uids.
6057 (variable_post_merge_New_vals): Print uids.
6058 (vt_add_function_parameters): Adjust.
6059 (vt_initialize): Reset table. Adjust.
6061 2010-02-03 Richard Guenther <rguenther@suse.de>
6063 PR tree-optimization/42944
6064 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
6065 (call_may_clobber_ref_p_1): Likewise. Properly handle
6066 malloc and calloc clobbering errno.
6068 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
6070 * doc/invoke.texi: Fix name of sched1 dump.
6072 * opts.c (decode_options): Set flag_tree_switch_conversion
6073 only conditionally on optimize >= 2.
6075 * gcse.c: Assorted comment fixes in pass description.
6077 2010-02-03 Anthony Green <green@moxielogic.com>
6079 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
6080 nop padding in order to maintain alignment of storage location of
6081 target function address.
6082 (moxie_trampoline_init): Store target function address at newly
6084 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
6086 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
6088 2010-02-03 Richard Guenther <rguenther@suse.de>
6091 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
6093 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6095 * config.gcc: Reenable check for obsolete targets.
6096 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
6097 mips-sgi-irix6.[0-4]*.
6099 2010-02-02 Nick Clifton <nickc@redhat.com>
6101 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
6102 constant size of 4 as being the same as 0.
6103 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
6104 can take values in the range 0..4.
6106 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
6109 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
6110 as _darwin10_Unwind_FindEnclosingFunction().
6111 * libgcc-libsystem.ver: New.
6113 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
6116 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
6117 implicitly set registers.
6119 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
6121 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
6122 (arm_override_options): Allow automatic selection of the thread
6123 pointer register if thumb2.
6124 (legitimize_pic_address): Improve code sequences for Thumb2.
6125 (arm_call_tls_get_addr): Likewise.
6126 (legitimize_tls_address): Likewise.
6127 * arm.md (pic_load_addr_arm): Delete. Replace with ...
6128 (pic_load_addr_32bit): ... this. New named pattern.
6129 * thumb2.md (pic_load_addr_thumb2): Delete.
6130 (pic_load_dot_plus_four): Delete.
6131 (tls_load_dot_plus_four): New named pattern.
6133 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6136 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
6137 Document fix for TLS bug.
6139 2010-01-31 Richard Guenther <rguenther@suse.de>
6141 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
6142 conservatively correct.
6144 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6148 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6150 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
6152 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6154 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
6156 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
6158 * config.gcc: Adjust order of makefile fragments for mingw targets.
6160 2010-01-31 Richard Guenther <rguenther@suse.de>
6163 * gimplify.c (gimplify_init_constructor): For volatile LHS
6164 initialize a temporary.
6166 2010-01-31 Matthias Klose <doko@ubuntu.com>
6168 * configure.ac: Fix __stack_chk_fail check for cross builds configured
6170 * configure: Regenerate.
6172 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
6174 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
6175 the same alias set and their sizes different constantness.
6176 (aliasing_component_refs_p): Revert 2009-10-24 change.
6178 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6180 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
6183 2010-01-29 Richard Guenther <rguenther@suse.de>
6185 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
6186 Assert we successfully updated the call.
6188 2010-01-29 Jakub Jelinek <jakub@redhat.com>
6190 PR rtl-optimization/42889
6191 * df.h (df_set_bb_dirty_nonlr): New prototype.
6192 * df-core.c (df_set_bb_dirty_nonlr): New function.
6193 * df-scan.c (df_insn_rescan): Call it instead of
6194 df_set_bb_dirty for DEBUG_INSNs.
6196 2010-01-29 Richard Guenther <rguenther@suse.de>
6199 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
6200 quadratic behavior in most cases.
6202 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
6205 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
6206 in the call to gen_x86_movsicc_0_m1.
6208 2010-01-28 Richard Guenther <rguenther@suse.de>
6210 PR tree-optimization/42871
6211 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
6213 2010-01-28 Richard Guenther <rguenther@suse.de>
6215 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
6216 into call arguments.
6218 2010-01-28 Richard Guenther <rguenther@suse.de>
6221 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
6222 the forwarder if the destination is an EH landing pad.
6224 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
6226 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
6227 block list passed to gimple_duplicate_sese_tail.
6228 (parallelize_loops): Avoid parallelization when the function
6230 Avoid parallelization when the preheader is IRREDUCIBLE.
6231 Try to optimize when estimated_loop_iterations_int is unresolved.
6232 Add the loop's location to the dump file.
6233 * tree-cfg.c (add_phi_args_after_redirect): Remove.
6234 (gimple_duplicate_sese_tail): Remove the check for the latch.
6235 Redirect nexits to the exit block.
6236 Remove handling of the incoming edges to the latch.
6237 Redirect the backedge from the copied latch to the exit bb.
6239 2010-01-28 Michael Matz <matz@suse.de>
6242 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
6243 Wrap force_reg into a sequence, emit it before user.
6245 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
6247 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
6249 (arm_legacy_rev): Likewise.
6250 (thumb_legacy_rev): Likewise.
6252 2010-01-27 Jakub Jelinek <jakub@redhat.com>
6254 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
6255 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
6256 on MEM's address failed, try avoid_constant_pool_reference and
6257 recurse if it returned something different.
6258 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
6259 address, try avoid_constant_pool_reference and recurse if it
6260 returned something different.
6261 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
6262 address and avoid_constant_pool_reference returned something
6263 different, don't set have_address.
6265 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
6268 * var-tracking.c (val_store): Add modified argument, obey it.
6270 (count_uses): Move down logging of main.
6271 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
6272 don't need resolution.
6273 (emit_notes_in_bb): Likewise.
6275 2010-01-27 Richard Guenther <rguenther@suse.de>
6278 * tree-inline.c (remap_decl): Delay remapping of SSA name
6279 default definitions until we need them.
6281 2010-01-27 Jakub Jelinek <jakub@redhat.com>
6283 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
6284 (rs6000_delegitimize_address): New function.
6286 * config/s390/s390.c (s390_delegitimize_address): Call
6287 delegitimize_mem_from_attrs.
6290 * tree-inline.c (cannot_copy_type_1): Removed.
6291 (copy_forbidden): Don't forbid copying of functions containing
6292 records/unions with variable length fields.
6294 2010-01-27 Christian Bruel <christian.bruel@st.com>
6298 * config/sh/sh.c (find_barrier): Increase length for non delayed
6299 conditional branches.
6301 2010-01-27 Matthias Klose <doko@ubuntu.com>
6303 * configure.ac (gnu-unique-object): Fix ldd version check.
6304 * configure: Regenerate.
6306 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6308 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
6310 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
6311 Test for HAVE_GNU_AS value.
6313 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6315 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
6316 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
6317 INT64_TYPE): Define.
6318 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
6319 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
6320 INT_LEAST64_TYPE): Define.
6321 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
6322 UINT_LEAST64_TYPE): Define.
6323 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
6324 INT_FAST64_TYPE): Define.
6325 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
6326 UINT_FAST64_TYPE): Define.
6327 (INTMAX_TYPE, UINTMAX_TYPE): Define.
6328 (INTPTR_TYPE, UINTPTR_TYPE): Define.
6329 (SIG_ATOMIC_TYPE): Define.
6331 2010-01-26 Richard Guenther <rguenther@suse.de>
6333 * df-scan.c (df_scan_set_bb_info): Remove assert.
6334 (df_insn_rescan_debug_internal): Merge asserts.
6335 (df_install_ref): Likewise.
6336 (df_mark_reg): Use bitmap_set_range.
6337 (df_hard_reg_used_p): Remove assert.
6338 (df_hard_reg_used_count): Likewise.
6340 2010-01-26 Richard Guenther <rguenther@suse.de>
6342 PR rtl-optimization/42685
6343 * web.c (web_main): Ignore DEBUG_INSNs.
6345 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
6347 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
6349 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
6350 Fix types of fndecl and arglist parameters.
6352 2010-01-26 Richard Guenther <rguenther@suse.de>
6355 * tree-eh.c (unsplit_eh): Skip debug insns.
6357 2010-01-26 Richard Guenther <rguenther@suse.de>
6359 PR tree-optimization/42250
6360 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
6362 2010-01-26 Jakub Jelinek <jakub@redhat.com>
6365 * omp-low.c (expand_omp_sections): Only use single_pred if
6366 l2_bb is single_pred_p.
6368 2010-01-25 Christian Bruel <christian.bruel@st.com>
6371 * config/sh/sh.c (find_barrier): Increase length for non delayed
6372 conditional branches.
6373 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
6375 2010-01-24 David S. Miller <davem@davemloft.net>
6377 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
6378 define if not using GAS.
6379 * config/sparc/sparc.c (sparc_elf_asm_named_section):
6380 Likewise. Delete SECTION_MERGE code, which is only applicable
6383 2010-01-24 Mark Mitchell <mark@codesourcery.com>
6386 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
6387 mangling of va_list in system headers.
6389 2010-01-23 Toon Moene <toon@moene.org>
6391 * tree-predcom.c (combine_chains): Return NULL, not false.
6393 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
6395 * tree-loop-distribution.c (distribute_loop): Fix declaration and
6396 initialization of variable res to agree with return type.
6398 2010-01-22 Steve Ellcey <sje@cup.hp.com>
6400 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
6401 * tree-sra.c: Add include of expr.h.
6403 2010-01-22 Jakub Jelinek <jakub@redhat.com>
6405 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
6406 insert the debug stmt on the single non-EH edge from the stmt.
6408 2010-01-22 Richard Henderson <rth@redhat.com>
6411 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
6412 the RHS until after generate_subtree_copies has insertted its
6413 code before the current statement.
6415 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
6417 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
6419 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
6421 2010-01-21 Martin Jambor <mjambor@suse.cz>
6423 PR tree-optimization/42585
6424 * tree-sra.c (struct access): New field grp_total_scalarization.
6425 (dump_access): Dump the new field.
6426 (should_scalarize_away_bitmap): New variable.
6427 (cannot_scalarize_away_bitmap): Likewise.
6428 (sra_initialize): Allocate new bitmaps.
6429 (sra_deinitialize): Free new bitmaps.
6430 (create_access_1): New function.
6431 (create_access): Parts moved to create_access_1.
6432 (type_consists_of_records_p): New function.
6433 (completely_scalarize_record): Likewise.
6434 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
6435 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
6436 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
6438 (analyze_all_variable_accesses): Completely scalarize small eligible
6441 2010-01-21 Martin Jambor <mjambor@suse.cz>
6443 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
6445 2010-01-21 Andrew Haley <aph@redhat.com>
6447 * gcc.c (process_command): Move lang_specific_driver before
6448 setting cc_libexec_prefix.
6450 2010-01-21 Richard Guenther <rguenther@suse.de>
6453 * fold-const.c (negate_expr_p): Pretend only negative
6454 real constants are easily negatable.
6456 2010-01-20 Janis Johnson <janis187@us.ibm.com>
6457 Jason Merrill <jason@redhat.com>
6459 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
6460 (TYPE_TRANSPARENT_AGGR): this, for union and record.
6461 * calls.c (initialize argument_information): Handle it.
6462 * c-common.c (handle_transparent_union_attribute): Use new name.
6463 * c-decl.c (finish_struct): Ditto.
6464 * c-typeck.c (type_lists_compatible_p): Ditto.
6465 (convert_for_assignment): Use new name and also handle record.
6466 * function.c (aggregate_value_p): Handle it.
6467 (pass_by_reference): Ditto.
6468 (assign_parm_data_types): Ditto.
6469 * print-tree.c (print_node): Ditto.
6470 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
6471 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
6472 * tree.c (first_field): New fn.
6474 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
6477 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
6478 even when linking statically, for now.
6480 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
6483 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
6484 without a cselib val.
6485 (count_uses): Accept MO_VAL_SET with no val on stores.
6486 (add_stores): Likewise.
6488 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6490 * var-tracking.c (check_value_val): Add a compile time assertion.
6491 (dv_is_decl_p): Simplify.
6492 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
6493 gcc_assert if ENABLE_CHECKING.
6495 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
6498 * var-tracking.c: Include tree-flow.h.
6499 (mem_dies_at_call): New.
6500 (dataflow_set_preserve_mem_locs): Use it.
6501 (dataflow_set_remove_mem_locs): Likewise.
6502 (dump_var): Renamed from dump_variable. Adjust all callers.
6503 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
6504 * Makefile.in (var-tracking.o): Adjust deps.
6506 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
6508 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
6510 2010-01-20 Richard Guenther <rguenther@suse.de>
6512 PR tree-optimization/42717
6513 * tree-ssa-dce.c (get_live_post_dom): Remove.
6514 (forward_edge_to_pdom): Take an arbitrary edge to copy
6515 degenerate PHI args from.
6516 (remove_dead_stmt): Use the first post-dominator even if it
6517 does not contain live statements as redirection destination.
6519 2010-01-20 Richard Guenther <rguenther@suse.de>
6521 * tree-inline.c (estimate_num_insns): Handle EH builtins.
6523 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6525 * sel-sched.c (create_speculation_check): Remove set but not used
6527 (try_transformation_cache): Remove set but not used variable ds.
6528 (calculate_privileged_insns): Remove set but not used variables
6529 cur_insn and min_spec_insn.
6530 (find_best_expr): Remove set but not used variable avail_n.
6531 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
6533 * cgraphunit.c (assemble_thunk): Remove set but not used variable
6535 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
6536 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
6539 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
6542 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
6543 cpu types. Add support for *-sse3 cpu types.
6544 (x86_64-*-*): Ditto.
6546 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6549 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
6550 argument, call initializer_constant_valid_p_1 instead of
6551 initializer_constant_valid_p, pass CACHE to it, return NULL
6552 immediately if first call returns NULL.
6553 (initializer_constant_valid_p_1): New function.
6554 (initializer_constant_valid_p): Use it.
6556 2010-01-20 Thomas Quinot <quinot@adacore.com>
6558 * tree.def (PLACEHOLDER_EXPR): Fix comment.
6560 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6562 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
6563 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
6564 (loc_list_from_tree): Don't handle unsigned division. Handle
6565 signed modulo using DW_OP_{over,over,div,mul,minus}.
6566 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
6567 modulo instead of signed.
6569 2010-01-20 DJ Delorie <dj@redhat.com>
6571 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
6573 (h8300_emit_stack_adjustment): Propogate it.
6575 (h8300_expand_prologue): Likewise.
6576 (h8300_expand_epilogue): Likewise.
6578 2010-01-19 Michael Matz <matz@suse.de>
6580 PR tree-optimization/41783
6581 * tree-data-ref.c (toplevel): Include flags.h.
6582 (dump_data_dependence_relation): Also dump the inputs if the
6583 result will be unknown.
6584 (split_constant_offset_1): Look through some conversions.
6585 * tree-predcom.c (determine_roots_comp): Restart a new chain if
6586 the offset from last element is too large.
6587 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
6588 (reassociate_to_the_same_stmt): Handle vector registers.
6589 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
6591 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
6592 wide_prolog_niters argument, emit widening instructions.
6593 (vect_do_peeling_for_alignment): Adjust caller, use widened
6594 variant of the iteration cound.
6595 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
6597 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
6600 * config/arm/neon-testgen.m (emit_automatics): New parameter
6601 features. Adjust for Fixed_return_reg feature.
6602 (test_intrinsic): Call emit_automatics with new feature.
6603 * config/arm/neon.ml: Update copyright years.
6604 (features): New Fixed_return_reg feature.
6605 (ops): Update feature for Vget_low.
6607 2010-01-19 Jakub Jelinek <jakub@redhat.com>
6609 PR tree-optimization/42719
6610 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
6614 * fwprop.c (all_uses_available_at): Return false if def_set dest
6615 is a REG that is used in def_insn.
6617 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
6619 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
6621 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
6624 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
6626 * target.h (struct gcc_target) <secondary_reload>: Change type
6627 of last argument to secondary_reload_info *.
6629 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
6632 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
6633 memory references with unaligned offsets. Remove CQImode handling.
6634 (unaligned_memory_operand): Return 1 for memory references with
6635 unaligned offsets. Remove CQImode handling.
6637 2010-01-18 Richard Guenther <rguenther@suse.de>
6640 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
6643 2010-01-18 Richard Guenther <rguenther@suse.de>
6645 PR tree-optimization/42781
6646 * tree-ssa-structalias.c (find_what_var_points_to): Skip
6647 restrict processing only if the original variable was artificial.
6649 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
6651 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
6652 find number of popped argument bytes.
6654 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
6655 Fix the text that describes the return value for invalid insns.
6657 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
6659 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
6660 Clarify what 'cost of the -dependence' is. Fix quoting.
6662 * toplev.c (default_get_pch_validity): Rename argument to "sz".
6663 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
6665 2010-01-17 Jakub Jelinek <jakub@redhat.com>
6667 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
6668 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
6670 2010-01-17 Richard Guenther <rguenther@suse.de>
6673 * function.c (split_complex_args): Take a VEC to modify.
6674 (assign_parms_augmented_arg_list): Build a VEC instead of
6675 a chain of PARM_DECLs.
6676 (assign_parms_unsplit_complex): Take a VEC of arguments.
6677 Do not fixup unmodified parms.
6678 (assign_parms): Deal with the VEC.
6679 (gimplify_parameters): Likewise.
6681 2010-01-17 Richard Guenther <rguenther@suse.de>
6683 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
6684 node existence check.
6685 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
6686 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
6687 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
6688 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
6689 (gimple_execute_on_growing_pred): Likewise.
6691 2010-01-17 Richard Guenther <rguenther@suse.de>
6693 PR tree-optimization/42773
6694 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
6695 (compute_antic_aux): Likewise.
6696 (compute_partial_antic_aux): Likewise.
6698 2010-01-17 Jie Zhang <jie.zhang@analog.com>
6701 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
6704 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
6706 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
6709 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
6710 Fix markup for strict argument.
6712 (TARGET_SCHED_REORDER2): Fix argument types.
6714 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
6715 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
6717 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
6718 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
6720 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
6723 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
6724 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
6725 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
6726 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
6727 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
6729 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
6731 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
6733 (TARGET_ASM_RELOC_RW_MASK): Add return type.
6734 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
6736 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
6738 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
6741 (TARGET_ASM_NAMED_SECTION): Fix argument list.
6743 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
6744 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
6746 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
6748 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
6750 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
6751 referring to it. Fix language.
6753 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
6755 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
6757 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
6759 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
6761 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
6762 '@var{stream}. Remove stray 'and'.
6764 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
6766 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
6768 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
6770 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
6771 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
6773 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
6774 Fix description of return value.
6775 Rename argument "sz" to "len."
6777 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
6778 Clarify meaning of 'true' return value.
6780 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
6782 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
6783 rep_mode versus mode_rep.
6785 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
6787 (TARGET_BUILTIN_DECL): Fix name.
6789 (TARGET_COMMUTATIVE_P): Fix type of first argument.
6791 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
6793 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
6795 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
6797 (TARGET_RELAXED_ORDERING): Use @deftypevr.
6799 (TARGET_GET_DRAP_RTX): Note that this is a hook.
6802 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
6803 Rename argument tm_fn to md_fn.
6805 (TARGET_OPTION_PRINT): Fix argument list.
6807 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
6810 * config/i386/i386.c (ix86_fixup_binary_operands):
6811 Revert FMA4 fixup of operands.
6813 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6816 * Makefile.in (write_entries_to_file, install-plugin):
6817 Use \012 instead of \n with tr.
6819 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
6821 * configure.ac (HAVE_AS_REF): New C macro.
6822 * configure: Regenerate.
6823 * config.in: Likewise.
6824 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
6826 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
6829 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
6831 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
6833 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
6835 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
6837 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
6839 (TARGET_IN_SMALL_DATA_P): Fix argument type.
6841 (TARGET_BINDS_LOCAL_P): Fix argument type.
6843 (TARGET_ASM_FILE_END): Use prototype.
6845 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
6847 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
6849 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
6851 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
6853 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
6854 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
6856 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
6857 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
6859 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
6860 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
6861 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
6862 (TARGET_ADDR_SPACE_CONVERT): Likewise.
6864 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
6866 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
6868 (TARGET_INIT_BUILTINS): Use prototype.
6870 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
6871 Put 'const char *' in braces. Fix parameter types.
6872 (TARGET_INVALID_CONVERSION): Fix parameter types.
6873 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
6874 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
6876 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
6879 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
6881 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
6883 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
6885 * doc/tm.texi (TARGET_HELP): Fix return type.
6887 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
6888 in braces. Fix argument types.
6890 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
6892 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
6894 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
6896 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
6897 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
6899 (TARGET_MANGLE_TYPE): Fix argument types.
6901 (TARGET_IRA_COVER_CLASSES): Use prototype.
6903 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
6905 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
6907 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
6909 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
6911 (TARGET_CALLEE_COPIES): Fix argument types.
6913 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
6915 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
6917 (TARGET_FUNCTION_VALUE): Fix argument types.
6919 (TARGET_RETURN_IN_MSB): Fix argument type.
6921 (TARGET_RETURN_IN_MEMORY): Fix argument types.
6923 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
6925 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
6927 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
6928 agree with return type.
6930 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
6932 2010-01-15 Jing Yu <jingyu@google.com>
6934 PR rtl-optimization/42691
6935 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
6936 a pseudo to a constant and are merged, and adjust comments.
6938 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
6940 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
6942 2010-01-15 Richard Guenther <rguenther@suse.de>
6945 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
6946 labels of computed or non-local gotos to the destination.
6947 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
6948 landing pad label is the first label.
6950 2010-01-15 Richard Guenther <rguenther@suse.de>
6952 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
6954 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
6957 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
6958 to allow generation of the xssqrtdp instruction on power7.
6959 (sqrtdf2_fpr): Ditto.
6961 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6964 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
6965 functions with noreturn attribute.
6968 * varasm.c (declare_weak): Add weak attribute to decl if it
6969 doesn't have one already.
6970 (assemble_external): Only add decls to weak_decls if they also
6971 have weak attribute.
6973 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
6975 * var-tracking.c (var_reg_delete): Don't delete the association
6976 between REGs and values or one-part variables if the register
6979 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6982 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
6983 because its first operand is a non-localized variable.
6985 2010-01-14 Martin Jambor <mjambor@suse.cz>
6987 PR tree-optimization/42706
6988 * tree-sra.c (encountered_recursive_call): New variable.
6989 (encountered_unchangable_recursive_call): Likewise.
6990 (sra_initialize): Initialize both new variables.
6991 (callsite_has_enough_arguments_p): New function.
6992 (scan_function): Call decl and flags check only for IPA-SRA, check
6993 whether there is a recursive call and whether it has enough arguments.
6994 (all_callers_have_enough_arguments_p): New function.
6995 (convert_callers): Look for recursive calls only when
6996 encountered_recursive_call is set.
6997 (ipa_early_sra): Bail out either if
6998 !all_callers_have_enough_arguments_p or
6999 encountered_unchangable_recursive_call.
7001 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7003 * sel-sched.c: Add 2010 to copyright years.
7004 * sel-sched-ir.c: Likewise.
7005 * sel-sched-ir.h: Likewise.
7007 2010-01-14 Martin Jambor <mjambor@suse.cz>
7009 PR tree-optimization/42714
7010 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
7011 constructors specially.
7013 2010-01-14 Andi Kleen <ak@linux.intel.com>
7015 * config/i386/drivers-i386.c (detect_caches_intel):
7016 Add l2sizekb parameter and fill in.
7017 (host_detect_local_cpu): Add l2sizekb, fill in.
7018 Add Atom small cache heuristic.
7020 2010-01-14 Andi Kleen <ak@linux.intel.com>
7022 * config/i386/drivers-i386.c (detect_caches_cpuid4):
7023 Add level3 parameter and fill in.
7024 (detect_caches_intel): Handle level3 cache.
7026 2010-01-14 Andi Kleen <ak@linux.intel.com>
7028 * config/i386/drivers-i386.c (host_detect_local_cpu):
7029 Fix core duo detection.
7031 2010-01-14 Andi Kleen <ak@linux.intel.com>
7033 * config/i386/drivers-i386.c (host_detect_local_cpu):
7036 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7038 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
7039 (rs6000_variable_issue_1): this. Use...
7040 (rs6000_variable_issue): here. Reimplement. Print debug info.
7042 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7044 * sel-sched-ir.c (sel_restore_other_notes): Rename to
7045 sel_restore_notes. Update all callers. Call reemit_notes
7048 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7050 PR rtl-optimization/42246
7051 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
7054 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7056 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
7057 all successors is the same as number of successors in current region.
7059 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7061 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
7062 to rename is not separable. Otherwise check that its LHS is not NULL.
7064 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7066 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
7068 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7070 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
7071 available registers when failed to discover LHS register class.
7072 Fix indentation. Update comment.
7074 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7075 Alexander Monakov <amonakov@ispras.ru>
7077 PR rtl-optimization/42389
7078 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
7080 (advance_state_on_fence): Likewise.
7081 (sel_target_adjust_priority): Print debug output only when
7082 sched_verbose >= 4, not 2.
7083 (get_expr_cost): Do not issue all unique insns on the next cycle.
7084 (fill_insns): Initialize can_issue_more from the value saved
7086 * sel-sched-ir.c (flist_add): New parameter issue_more.
7087 Init FENCE_ISSUE_MORE with it.
7088 (merge_fences): Likewise.
7089 (init_fences): Update call to flist_add.
7090 (add_to_fences, add_clean_fence_to_fences)
7091 (add_dirty_fence_to_fences): Likewise.
7092 (move_fence_to_fences): Update call to merge_fences.
7093 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
7095 * sel-sched-ir.h (struct _fence): New field issue_more.
7096 (FENCE_ISSUE_MORE): New accessor macro.
7098 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7100 PR rtl-optimization/42388
7101 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
7102 that have no predecessors nor successors. Do not call move_bb_info
7103 for empty blocks outside of current region.
7105 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7107 PR rtl-optimization/42294
7108 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
7109 * sel-sched.c (move_exprs_to_boundary): Transitively add all
7110 originators' originators.
7112 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7114 PR rtl-optimization/39453
7115 PR rtl-optimization/42246
7116 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
7118 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
7120 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7121 Alexander Monakov <amonakov@ispras.ru>
7124 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
7125 (maybe_tidy_empty_bb): ... here. Make static. Add new
7126 argument. Update all callers.
7127 (tidy_control_flow): ... and here. Recompute topological order
7128 of basic blocks in region if necessary.
7129 (sel_redirect_edge_and_branch): Change return type. Return true
7130 if topological order might have been invalidated.
7131 (purge_empty_blocks): Export and move from...
7132 * sel-sched.c (purge_empty_blocks): ... here.
7133 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
7134 (maybe_tidy_empty_bb): Delete prototype.
7135 (purge_empty_blocks): Declare.
7137 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7139 PR rtl-optimization/42249
7140 * sel-sched.c (try_replace_dest_reg): When chosen register
7141 and original register is the same, do not bail out early, but
7142 still check all original insns for validity of replacing destination
7143 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
7146 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7149 Port from no-undefined-overflow branch:
7150 2009-03-09 Richard Guenther <rguenther@suse.de>
7152 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
7154 2010-01-14 Richard Guenther <rguenther@suse.de>
7157 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
7159 2010-01-14 Ira Rosen <irar@il.ibm.com>
7161 PR tree-optimization/42709
7162 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
7163 as scalar type in creation of constant vector operand.
7165 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7168 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
7169 (check-parallel-%): Match `testsuite' directory component only
7172 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
7174 PR translation/39521
7175 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
7178 2010-01-13 Richard Guenther <rguenther@suse.de>
7180 PR tree-optimization/42730
7181 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
7184 2010-01-13 Steve Ellcey <sje@cup.hp.com>
7187 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
7188 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
7191 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
7193 * config/bfin/libgcc-bfin.ver: Regenerate based on current
7194 libgcc-std.ver. Add entries for ___smulsi3_highpart and
7195 ___umulsi3_highpart.
7197 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
7198 rather than schedule_insns if the pass is enabled.
7200 2010-01-13 Martin Jambor <mjambor@suse.cz>
7202 PR tree-optimization/42704
7203 * tree-sra.c (sra_modify_assign): Do not delete assignments to
7206 2010-01-13 Martin Jambor <mjambor@suse.cz>
7208 PR tree-optimization/42703
7209 * tree-sra.c (analyze_access_subtree): Check that we can build a
7210 reference to the original data within the aggregate.
7212 2010-01-13 Richard Guenther <rguenther@suse.de>
7214 PR tree-optimization/42705
7215 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
7217 2010-01-13 Richard Guenther <rguenther@suse.de>
7220 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
7222 2010-01-13 Jakub Jelinek <jakub@redhat.com>
7225 * var-tracking.c (values_to_unmark): New variable.
7226 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
7227 values_to_unmark vector. Moved body to...
7228 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
7229 instead queue it into values_to_unmark vector.
7230 (vt_find_locations): Free values_to_unmark vector.
7232 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
7234 * config/s390/s390.c (override_options): Set
7235 default of max-pending-list-length to 256
7237 2010-01-13 Richard Guenther <rguenther@suse.de>
7240 * tree-pass.h (PROP_gimple_lcx): New.
7241 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
7242 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
7243 before the final cleanup_eh.
7244 (dump_properties): Dump PROP_gimple_lcx.
7245 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
7246 (tree_lower_complex_O0): Remove.
7247 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
7248 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
7249 tree_lower_complex, schedule TODO_update_ssa.
7250 * lto-streamer-out.c (output_function): Stream the functions
7252 * lto-streamer-in.c (input_function): Likewise.
7253 (lto_read_body): Do not override them here.
7255 2010-01-12 Joseph Myers <joseph@codesourcery.com>
7258 * c-typeck.c (build_c_cast): Fold value cast to union type before
7259 wrapping it in a CONSTRUCTOR.
7261 2010-01-12 Jakub Jelinek <jakub@redhat.com>
7263 PR rtl-optimization/42699
7264 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
7267 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7269 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
7270 SUBTARGET_WARN_UNUSED_SPEC): Move ...
7271 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
7272 SUBTARGET_WARN_UNUSED_SPEC): ... here
7273 * config/mips/iris5.h (LIBGCC_SPEC): Define.
7275 2010-01-12 Julian Brown <julian@codesourcery.com>
7277 * config/arm/neon-schedgen.ml (Utils): Don't try to
7278 open missing module.
7279 (find_with_result): New.
7281 2010-01-12 Jakub Jelinek <jakub@redhat.com>
7284 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
7285 sharing when canonicalizing ({lt,ge}u (plus a b) b).
7287 PR tree-optimization/42645
7288 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
7289 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
7290 decl_map, set processing_debug_stmt to -1 and return name without
7293 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
7295 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
7296 binutils version, and reword target configuration description.
7298 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
7300 * config/avr/avr.h (LINKER_NAME): Remove.
7302 2010-01-11 Janis Johnson <janis187@us.ibm.com>
7305 * config/rs6000/rs6000.c (rs6000_override_options): On targets
7306 that support VSX, warn for -mno-altivec if vsx is not disabled,
7309 2010-01-11 Joseph Myers <joseph@codesourcery.com>
7310 Shujing Zhao <pearly.zhao@oracle.com>
7312 PR translation/42469
7313 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
7314 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
7315 character between option name and help text.
7316 * c.opt (imultilib): Likewise.
7318 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
7320 * lto-streamer-out.c (output_unreferenced_globals): Output static
7323 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
7325 PR rtl-optimization/42621
7326 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
7327 optimizing for size.
7328 (duplicate_computed_gotos): Remove now-redundant check.
7330 2010-01-10 Steve Ellcey <sje@cup.hp.com>
7333 * configure.ac: Save and restore LDFLAGS and LIBS
7334 * configure: Regenerate.
7336 2010-01-10 Richard Guenther <rguenther@suse.de>
7339 * builtins.c (fold_builtin_strlen): Add type argument and
7340 convert the resulting length to it.
7341 (fold_builtin_1): Adjust.
7343 2010-01-09 Jakub Jelinek <jakub@redhat.com>
7345 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
7346 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
7348 (num_insns_constant_wide): Adjust for that change.
7350 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7353 * web.c (union_defs): Add used argument, to combine uses of
7355 (entry_register): Adjust type and tests of used argument.
7356 (web_main): Widen used for new use. Pass it to union_defs.
7357 * df.h (union_defs): Adjust prototype.
7359 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7362 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
7363 uses in new incoming argument. Free body.
7364 (reset_debug_uses_in_loop): New.
7365 (analyze_insn_to_expand_var): Call the latter if the former found
7366 anything. Fix whitespace. Reject invalid dest overlaps before
7367 going through all insns in the loop.
7369 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7372 * haifa-sched.c (dying_use_p): Debug insns don't count.
7374 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7377 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
7378 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
7379 (verify_gimple_call): Reject LHS in noreturn calls.
7381 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7385 * tree-vect-loop-manip.c (adjust_info): New type.
7386 (adjust_vec): New pointer to vector.
7387 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
7388 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
7389 (slpeel_update_phis_for_duplicate_loop): Use them.
7390 (slpeel_update_phi_nodes_for_guard1): Likewise.
7391 (slpeel_update_phi_nodes_for_guard2): Likewise.
7392 (slpeel_tree_peel_loop_to_edge): Likewise.
7393 (vect_update_ivs_after_vectorizer): Likewise.
7395 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7397 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
7398 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
7400 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7402 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
7403 bogus uninitialized warning.
7405 2010-01-09 Richard Guenther <rguenther@suse.de>
7408 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
7409 the evolution is compatible with the initial condition.
7411 2010-01-09 Jakub Jelinek <jakub@redhat.com>
7413 * gcc.c (process_command): Update copyright notice dates.
7414 * gcov.c (print_version): Likewise.
7415 * gcov-dump.c (print_version): Likewise.
7416 * mips-tfile.c (main): Likewise.
7417 * mips-tdump.c (main): Likewise.
7419 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
7422 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
7424 (rotlhi3_8): Delete.
7426 (rotlsi3_8): Delete.
7427 (rotlsi3_16): Delete.
7428 (rotlsi3_24): Delete.
7430 (*rotw<mode>3): New.
7431 (*rotb<mode>3): New.
7432 * config/avr/avr.c (avr_rotate_bytes): New function.
7433 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
7435 2010-01-08 Steve Ellcey <sje@cup.hp.com>
7438 * configure.ac: Modify -rdynamic check.
7439 * configure: Regenerate.
7441 2010-01-08 DJ Delorie <dj@redhat.com>
7443 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
7444 register popping order.
7446 2010-01-08 Richard Guenther <rguenther@suse.de>
7449 * c.opt (fsigned-char): Also let LTO handle this option.
7450 (funsigned-char): Likewise.
7452 2010-01-07 Richard Guenther <rguenther@suse.de>
7454 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
7455 (gimple_op): Likewise.
7456 (gimple_op_ptr): Likewise.
7457 (gimple_assign_set_lhs): Remove gcc_assert.
7458 (gimple_assign_set_rhs1): Likewise.
7459 (gimple_assign_set_rhs2): Likewise.
7460 (gimple_call_set_lhs): Likewise.
7461 (gimple_call_set_fn): Likewise.
7462 (gimple_call_set_fndecl): Likewise.
7463 (gimple_call_fndecl): Likewise.
7464 (gimple_call_return_type): Likewise.
7465 (gimple_call_set_chain): Likewise.
7466 (gimple_call_num_args): Likewise.
7467 (gimple_call_set_arg): Likewise.
7468 (gimple_cond_set_code): Likewise.
7469 (gimple_cond_set_lhs): Likewise.
7470 (gimple_cond_set_rhs): Likewise.
7471 (gimple_cond_set_true_label): Likewise.
7472 (gimple_cond_set_false_label): Likewise.
7473 (gimple_label_set_label): Likewise.
7474 (gimple_goto_set_dest): Likewise.
7475 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
7476 (gimple_debug_bind_get_value): Likewise.
7477 (gimple_debug_bind_get_value_ptr): Likewise.
7478 (gimple_debug_bind_set_var): Likewise.
7479 (gimple_debug_bind_set_value): Likewise.
7480 (gimple_debug_bind_reset_value): Likewise.
7481 (gimple_debug_bind_has_value_p): Likewise.
7482 (gimple_return_retval_ptr): Remove gcc_assert.
7483 (gimple_return_retval): Likewise.
7484 (gimple_return_set_retval): Likewise.
7485 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
7486 (safe_referenced_var_iterator): Remove.
7487 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
7488 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
7489 (fill_referenced_var_vec): Remove.
7490 (first_readonly_imm_use): Remove redundant gcc_assert.
7491 (phi_arg_index_from_use): Combine gcc_asserts.
7492 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
7493 (first_imm_use_stmt): Remove redundant gcc_assert.
7494 * tree-cfg.c (verify_gimple_call): Verify function and chain
7495 operands. Verify arguments.
7496 (verify_types_in_gimple_stmt): Verify condition code and labels.
7498 2010-01-07 Richard Guenther <rguenther@suse.de>
7500 PR tree-optimization/42641
7501 * sese.c (rename_map_elt_info): Use the SSA name version, do
7504 2010-01-07 Jakub Jelinek <jakub@redhat.com>
7506 PR tree-optimization/42625
7507 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
7508 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
7510 2010-01-07 Duncan Sands <baldrick@free.fr>
7512 * Makefile.in (PLUGIN_HEADERS): Add version.h.
7514 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
7517 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
7518 note itself is not function_invariant_p.
7520 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
7522 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
7523 Do not add the DF_NOTE problem.
7524 * store-motion.c (execute_rtl_store_motion): Likewise.
7526 2010-01-07 Martin Jambor <mjambor@suse.cz>
7528 PR tree-optimization/42157
7529 * tree-sra.c (compare_access_positions): Stabilize sort if both
7530 accesses have integer types, return zero immediately if they are the
7533 2010-01-06 Richard Henderson <rth@redhat.com>
7536 * haifa-sched.c (add_to_note_list): Merge into ...
7537 (concat_note_lists): ... here, and ...
7538 (unlink_other_notes, rm_other_notes): Merge into...
7539 (remove_notes): ... here. Create REG_SAVE_NOTEs for
7540 NOTE_INSN_EPILOGUE_BEG.
7542 2010-01-06 Richard Guenther <rguenther@suse.de>
7544 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
7545 not inline regular functions into always-inline functions.
7547 2010-01-06 Nick Clifton <nickc@redhat.com>
7549 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
7550 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
7552 (OVERRIDE_OPTIONS): Delete.
7553 (OPTIMIZATION_OPTIONS): Define.
7554 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
7555 * config/rx/rx.c (rx_handle_option): Issue an error message if
7556 -mcpu=rx200 and -fpu are used together.
7557 (rx_set_optimization_options): New function. Issue an error
7558 message if an optimization attribute attempts to reset the FPU/
7559 math optimization pairing.
7560 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
7561 * config/rx/rx.opt: Set the default to 32-bit doubles.
7562 * config/rx/t-rx: Add multilibs for -nofpu option.
7563 * doc/invoke.texi: Update documentation of RX options.
7565 2010-01-06 Richard Guenther <rguenther@suse.de>
7567 * tree-ssa-pre.c (name_to_id): New global.
7568 (alloc_expression_id): Simplify SSA name handling.
7569 (lookup_expression_id): Likewise.
7570 (init_pre): Zero name_to_id.
7571 (fini_pre): Free it.
7573 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
7575 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
7577 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
7580 * config/i386/sse.md (smaxv2di3): New.
7581 (umaxv2di3): Likewise.
7582 (sminv2di3): Likewise.
7583 (uminv2di3): Likewise.
7585 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
7588 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
7589 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
7590 (legitimize_tls_address): Likewise.
7591 (sparc_tls_referenced_p): Likewise.
7592 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
7593 and adjust calls to legitimize_pic_address.
7594 (legitimate_constant_p) Use sparc_tls_referenced_p.
7595 (legitimate_pic_operand_p): Likewise.
7596 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
7597 (sparc_tls_symbol_ref_1): Delete.
7598 (sparc_tls_referenced_p): Make static, recognize specific patterns.
7599 (legitimize_tls_address): Make static, handle CONST patterns.
7600 (legitimize_pic_address): Make static, remove unused parameter and
7601 adjust recursive calls.
7602 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
7603 and adjust call to legitimize_pic_address.
7604 (sparc_output_mi_thunk): Likewise.
7606 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
7607 H.J. Lu <hongjiu.lu@intel.com>
7610 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
7611 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
7612 operands to make them signed.
7615 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7618 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
7619 GTU to GT for V4SI and V2DI.
7621 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
7622 (umin<mode>3): Removed.
7624 (uminv4si3): Likewise.
7626 2010-01-05 Martin Jambor <mjambor@suse.cz>
7628 PR tree-optimization/42462
7629 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
7630 current_function_decl to helper functions and macros.
7632 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7635 * flags.h: Don't include real.h.
7636 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
7637 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
7638 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
7639 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
7640 * dominance.c: Update copyright.
7641 * gimple.c (walk_gimple_op): Remove inline.
7642 * tree-ssa-reassoc.c: Include real.h.
7643 * Makefile.in (FLAGS_H): Remove $(REAL_H).
7644 (tree-ssa-reassoc.o): Depend on $(REAL_H).
7646 2010-01-05 Nick Clifton <nickc@redhat.com>
7648 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
7649 register to push into the stack frame when the accumulator has to
7650 be saved during interrupts.
7652 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
7654 * doc/invoke.texi: Remove the documentation about option
7656 * common.opt (Wunreachable-code): Preserved for backward
7658 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
7659 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
7660 the backward compatibility flag section.
7662 2010-01-05 Richard Guenther <rguenther@suse.de>
7664 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
7666 2010-01-05 Jakub Jelinek <jakub@redhat.com>
7669 * cfgexpand.c (expand_one_var): Diagnose too large variables.
7671 PR tree-optimization/42508
7672 * tree-sra.c (convert_callers): Check for recursive call
7673 by comparing cgraph nodes instead of decls.
7674 (modify_function): Call ipa_modify_formal_parameters also
7675 on all same_body aliases.
7677 * cgraphunit.c (cgraph_materialize_all_clones): Compare
7678 cgraph nodes when checking for same_body aliases.
7680 2010-01-05 Richard Guenther <rguenther@suse.de>
7682 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
7683 allocation and lookup.
7684 (get_or_alloc_expr_for_constant): Likewise.
7685 (phi_translate): Sink allocation.
7687 2010-01-04 Richard Guenther <rguenther@suse.de>
7689 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
7690 a new entry only if needed.
7691 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
7692 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
7694 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
7696 (phi_translate): Handle CONSTANTs early.
7698 2010-01-04 Martin Jambor <mjambor@suse.cz>
7700 PR tree-optimization/42398
7701 * tree-sra.c (struct access): Removed flag grp_different_types.
7702 (dump_access): Do not dump the removed flag.
7703 (sort_and_splice_var_accesses): Do not set the removed flag.
7704 (sra_modify_expr): Check for type compatibility directly.
7706 2010-01-04 Martin Jambor <mjambor@suse.cz>
7708 PR tree-optimization/42366
7709 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
7710 edges with variable number of parameters.
7711 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
7712 flag instead of asserting it.
7713 (ipa_read_node_info): Read uses_analysis_done flag.
7715 2010-01-04 Richard Guenther <rguenther@suse.de>
7717 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
7718 iterative_hash_* as intended.
7719 (vn_reference_compute_hash): Likewise. Simplify hashing
7721 (vn_reference_lookup_2): Likewise.
7722 (vn_nary_op_compute_hash): Likewise.
7723 (vn_phi_compute_hash): Likewise.
7724 (expressions_equal_p): Remove strange code.
7725 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
7726 (pre_expr_hash): Likewise. Simplify hashing SSA names.
7727 (bitmap_insert_into_set_1): Take value-id as parameter.
7728 (add_to_value): Pass it.
7729 (bitmap_insert_into_set): Likewise.
7730 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
7732 2010-01-04 Jakub Jelinek <jakub@redhat.com>
7735 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
7736 (do_self_spec): For switches with SWITCH_IGNORE set set also
7737 SWITCH_IGNORE_PERMANENTLY.
7738 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
7741 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
7743 * lto-streamer-out.c (output_unreferenced_globals): Output the full
7744 tree of an unreferenced global var.
7746 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7749 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
7750 GTU to GT for V4SI and V2DI.
7752 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
7753 (umin<mode>3): Removed.
7755 (uminv4si3): Likewise.
7757 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7760 * collect2.c (main): Turn on trace in collect2 if -v is passed
7763 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
7765 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
7766 description of expression operand.
7768 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
7770 * configure.ac: Add install-html to target_list for Make-hooks.
7771 * configure: Regenerate.
7772 * fortran/Make-lang.in (F95_HTMLFILES): New.
7773 (fortran.html): Use it.
7774 (fortran.install-html): New.
7775 * Makefile.in (install-html): Add lang.install-html.
7776 * java/Make-lang.in (JAVA_HTMLFILES): New.
7777 (java.html): Use it.
7778 (java.install-html): New.
7779 * objc/Make-lang.in (objc.install-html): New.
7780 * objcp/Make-lang.in (obj-c++.install-html): New.
7781 * cp/Make-lang.in (c++.install-html): New.
7782 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
7783 * lto/Make-lang.in (lto.install-html): New.
7785 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
7788 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
7790 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
7792 PR rtl-optimization/41862
7793 * store-motion.c (store_killed_in_insn, compute_store_table,
7794 remove_reachable_equiv_notes, replace_store_insn,
7795 build_store_vectors): Ignore all DEBUG_INSNs.
7797 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
7800 * common.opt: Add dumpdir.
7802 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
7804 (option_map): Add --dumpdir.
7806 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
7808 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
7810 * opts.c (decode_options): Try dump_dir_name first if
7811 dump_base_name isn't an absolute path.
7812 (common_handle_option): Handle OPT_dumpdir.
7814 * toplev.c (dump_dir_name): New.
7815 (print_switch_values): Also ignore -dumpdir.
7817 * toplev.h (dump_dir_name): New.
7819 2010-01-03 Richard Guenther <rguenther@suse.de>
7821 PR tree-optimization/42589
7822 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
7823 double-word expansion of bswap32.
7825 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
7827 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
7828 with BLOCK_FOR_INSN.
7829 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
7830 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
7831 noce_process_if_block): Likewise.
7832 * gcse.c (compute_local_properties, insert_expr_in_table,
7833 insert_set_in_table, canon_list_insert, find_avail_set,
7834 pre_insert_copy_insn): Likewise.
7836 * basic-block.h (BLOCK_NUM): Move from here...
7837 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
7839 2010-01-03 Richard Guenther <rguenther@suse.de>
7841 PR tree-optimization/42438
7842 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
7843 contains_may_not_return_call flag.
7844 (BB_MAY_NOTRETURN): New.
7845 (valid_in_sets): Trapping nary operations are not valid
7846 in blocks that may not return.
7847 (insert_into_preds_of_block): Remove check for trapping expressions.
7848 (compute_avail): Compute also BB_MAY_NOTRETURN.
7850 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
7852 * doc/invoke.texi: Add 2010 to copyright years.
7854 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
7856 * config/sparc/sparc.c: Fix formatting nits.
7858 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
7859 Alexander Monakov <amonakov@ispras.ru>
7861 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
7863 2010-01-02 Richard Guenther <rguenther@suse.de>
7866 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
7867 (simplify_switch_using_ranges): Mark to be removed edges
7870 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7872 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
7874 * collect2.c (scan_libraries): Add missing argument in call to
7877 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
7880 * config/alpha/predicates.md (aligned_memory_operand): Return false
7882 (unaligned_memory_operand): Return true for CQImode.
7883 * config/alpha/alpha.c (get_aligned_mem): Assert that location
7884 doesn not cross aligned SImode word boundary.
7886 2010-01-02 Anatoly Sokolov <aesok@post.ru>
7888 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
7890 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
7891 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
7893 2010-01-02 Richard Guenther <rguenther@suse.de>
7896 * toplev.c (compile_file): Emit LTO marker properly. Change
7898 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
7900 2010-01-01 Richard Guenther <rguenther@suse.de>
7903 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
7905 2010-01-01 Richard Guenther <rguenther@suse.de>
7908 * c-decl.c (grokdeclarator): For zero-size arrays force
7909 structural equality checks as layout_type does.
7911 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
7913 * builtins.c: Update copyright to 2010.
7915 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
7918 * lto-streamer-out.c (produce_asm): Revert the last change.
7919 (copy_function): Likewise.
7921 * lto-streamer.c (lto_get_section_name): Skip any leading
7924 2010-01-01 Richard Guenther <rguenther@suse.de>
7927 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
7931 Copyright (C) 2010 Free Software Foundation, Inc.
7933 Copying and distribution of this file, with or without modification,
7934 are permitted in any medium without royalty provided the copyright
7935 notice and this notice are preserved.