1 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
3 * toplev.c: Include varray.h for statistics dumping.
4 * tree.h: Do not declare varray_head_tag.
5 * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
6 regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
7 c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
8 gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
9 lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
10 tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
11 c-common.c, c-common.h, reg-stack.c, basic-block.h,
12 tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
14 * Makefile.in: Update for abovementioned changes.
16 2010-04-30 Jakub Jelinek <jakub@redhat.com>
19 * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
21 2010-04-30 Hariharan Sandanagobalane <hariharan@picochip.com>
23 * config/picochip/picochip.c (picochip_legitimize_address): Define.
24 Use this function to do machine-specific conversion.
25 (picochip_legitimize_reload_address): Likewise.
26 (picochip_legitimate_address_p): Check valid base register only if
28 (picochip_check_conditional_copy): Check for modw only if opnd is
30 * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
31 to call the function in c.
32 * config/picochip/picochip-protos.h
33 (picochip_legitimize_reload_address): Define.
34 * config/picochip/picochip.md (supported_compare1): Define.
36 2010-04-30 Jan Hubicka <jh@suse.cz>
38 * cgraph.h (cgraph_local_info): Remove for_functions_valid.
39 (cgraph_global_info): Remove inlined.
40 (LTO_cgraph_tag_names): Remove.
41 (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
42 * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
43 simplify cgraph tags and document.
44 (lto_output_node): Use only LTO_cgraph_unavail_node and
45 LTO_cgraph_analyzed_node; Do not save analzed, reachable,
46 for_functions_valid, global info, process and output
48 (input_overwrite_node): Initialize estimated stack size and
50 Do not read flags we no longer store.
51 (input_node): Likewise do not read info no longer stored.
52 * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
55 2010-04-30 Richard Guenther <rguenther@suse.de>
57 PR tree-optimization/43879
58 * tree-ssa-structalias.c (get_constraint_for_1): Properly
59 handle non-zero initializers.
61 2010-04-30 Richard Guenther <rguenther@suse.de>
63 * builtins.c (fold_builtin_1): Delete free (0).
65 2010-04-29 Jan Hubicka <jh@suse.cz>
67 * gengtype.c (open_base_files): Add lto-streamer.h
68 * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
69 (pass_ipa_cp): GGC collect.
70 * toplev. (compile_file): Do not output symbols.
71 * ipa-inline.c (pass_ipa_inline): Add ggc collect.
72 * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
73 TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
74 * lto-section-in.c: Include ggc.h
75 (lto_new_in_decl_state): Alloc in GGC.
76 (lto_delete_in_decl_state): Likewise.
77 * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program): Collect.
79 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
82 * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
83 ORDER_REGS_FOR_LOCAL_ALLOC. All instances of this macro changed.
84 (HONOR_REG_ALLOC_ORDER): Describe new macro.
85 * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
86 * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
87 account only if HONOR_REG_ALLOC_ORDER is not defined.
88 * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
89 * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
91 2010-04-29 Jon Grant <04@jguk.org>
93 * collect2.c (vflag): Change type from int to bool.
95 (helpflag): New global bool.
96 (main): Set vflag and debug with boolean, not integer truth
97 values. Accept new "--help" option and output usage text if
99 * collect2.h (vflag): Update prototype.
102 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
105 * plugin.h (flag_plugin_added): Moved out of
106 invoke_plugin_callbacks.
108 2010-04-29 Richard Guenther <rguenther@suse.de>
111 * plugin.h (invoke_plugin_callbacks): Annotate arguments
112 with ATTRIBUTE_UNUSED.
114 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
117 * config/i386/i386.c (get_some_local_dynamic_name): Replace
118 INSN_P with NONDEBUG_INSN_P.
119 (distance_non_agu_define): Likewise.
120 (distance_agu_use): Likewise.
122 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
124 From Dominique d'Humieres <dominiq@lps.ens.fr>
126 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
129 2010-04-29 Brian Hackett <bhackett1024@gmail.com>
131 * plugin.h (invoke_plugin_callbacks): New inline function.
132 * plugin.c (flag_plugin_added): New global flag.
133 (add_new_plugin): Initialize above flag.
134 (invoke_plugin_callbacks): Rename to ...
135 (invoke_plugin_callbacks_full): ... this.
137 2010-04-28 Jan Hubicka <jh@suse.cz>
139 * lto-symtab.c (lto_symtab_entry_def) Add vnode.
140 (lto_varpool_replace_node): New.
141 (lto_symtab_resolve_symbols): Resolve varpool nodes.
142 (lto_symtab_merge_decls_1): Prefer decls with varpool node.
143 (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
144 * cgraph.h (varpool_node_ptr): New type.
145 (varpool_node_ptr): New vector.
146 (varpool_node_set_def): New structure.
147 (varpool_node_set): New type.
148 (varpool_node_set): New vector.
149 (varpool_node_set_element_def): New structure.
150 (varpool_node_set_element, const_varpool_node_set_element): New types.
151 (varpool_node_set_iterator): New type.
152 (varpool_node): Add prev pointers, add used_from_other_partition,
154 (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
155 varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
156 varpool_get_node, varpool_remove_node): Declare.
157 (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
158 varpool_node_set_size): New inlines.
159 * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
160 * tree-pass.h (varpool_node_set_def): Forward declare.
161 (ipa_opt_pass_d): Summary writting takes vnode sets too.
162 (ipa_write_optimization_summaries): Update prototype.
163 * ipa-cp.c (ipcp_write_summary): Update.
164 * ipa-reference.c (ipa_reference_write_summary): Update.
165 * lto-cgraph.c (lto_output_varpool_node): New static function.
166 (output_varpool): New function.
167 (input_varpool_node): New static function.
168 (input_varpool_1): New function.
169 (input_cgraph): Input varpool.
170 * ipa-pure-const.c (pure_const_write_summary): Update.
171 * lto-streamer-out.c (lto_output): Update, output varpool too.
172 (write_global_stream): Kill WPA hack.
173 (produce_asm_for_decls): Update.
174 (output_alias_pair_p): Handle variables.
175 (output_unreferenced_globals): Output only needed partition of varpool.
176 * ipa-inline.c (inline_write_summary): Update.
177 * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build cgraph.
178 * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
179 * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
180 varpool_node_set_new, varpool_node_set_add,
181 varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
182 debug_varpool_node_set): New functions.
183 * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
184 (execute_one_pass): Process new decls too.
185 (ipa_write_summaries_2): Pass around vsets.
186 (ipa_write_summaries_1): Likewise.
187 (ipa_write_summaries): Build vset; be more selective about cgraph nodes
189 (ipa_write_optimization_summaries_1): Pass around vsets.
190 (ipa_write_optimization_summaries): Likewise.
191 * varpool.c (varpool_get_node): New.
192 (varpool_node): Update doubly linked lists.
193 (varpool_remove_node): New.
194 (dump_varpool_node): More dumping.
195 (varpool_enqueue_needed_node): Update doubly linked lists.
196 (decide_is_variable_needed): Kill ltrans hack.
197 (varpool_finalize_decl): Kill lto hack.
198 (varpool_assemble_decl): Skip decls in other partitions.
199 (varpool_assemble_pending_decls): Update doubly linkes lists.
200 (varpool_empty_needed_queue): Likewise.
201 (varpool_extra_name_alias): Likewise.
202 * lto-streamer.c (lto_get_section_name): Add vars section.
203 * lto-streamer.h (lto_section_type): Update.
204 (output_varpool, input_varpool): Declare.
206 2010-04-28 Mike Stump <mikestump@comcast.net>
208 * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
210 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
212 * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
213 record or union type with RECORD_OR_UNION_TYPE_P predicate.
214 (lto_input_ts_type_tree_pointers): Likewise.
215 * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
216 (lto_output_ts_type_tree_pointers): Likewise.
218 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
220 Uniquization of constants at the Tree level
221 * tree.h (DECL_IN_CONSTANT_POOL): New macro.
222 (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
224 (tree_output_constant_def): Declare.
225 * gimplify.c (gimplify_init_constructor): When using block copy, first
226 uniquize the constant constructor on the RHS.
227 * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
228 DECL_IN_CONSTANT_POOL flag.
229 * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
230 * varasm.c (make_decl_rtl): Deal with variables belonging to the global
232 (assemble_variable): Deal with symbols belonging to the tree constant
234 (get_constant_section): Add ALIGN parameter and simplify.
235 (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
236 (assemble_constant_contents): Use the expression of the VAR_DECL.
237 (output_constant_def_contents): Use the alignment of the VAR_DECL.
238 (tree_output_constant_def): New global function.
239 (mark_constant): Use the expression of the VAR_DECL.
240 (place_block_symbol): Use the alignment of the VAR_DECL and the size of
242 (output_object_block): Likewise and assemble the expression.
244 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
246 * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
247 hash_tree, eq_tree): New tree hash table.
248 (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
249 [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
250 lto_orig_address_remove): Reimplement.
252 2010-04-28 Xinliang David Li <davidxl@google.com>
255 * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
256 (compute_uninit_opnds_pos): New function.
257 (is_non_loop_exit_postdominating): New function.
258 (compute_control_dep_chain): New function.
259 (find_pdom): New function.
260 (convert_control_dep_chain_into_preds): New function.
261 (find_predicates): New function.
262 (find_control_equiv_block): New function.
263 (collect_phi_def_edges): New function.
264 (find_def_preds): New function.
265 (find_dom): New function.
266 (dump_predicates): New function.
267 (get_cmp_code): New function.
268 (is_value_included_in): New function.
269 (find_matching_predicate_in_rest_chains): New function.
270 (use_pred_not_overlap_with_undef_path_pred): New function.
271 (is_use_properly_guarded): New function.
272 (normalize_cond_1): New function.
273 (is_and_or_or): New function.
274 (normalize_cond): New function.
275 (is_gcond_subset_of): New function.
276 (is_subset_of_any): New function.
277 (is_or_set_subset_of): New function.
278 (is_and_set_subset_of): New function.
279 (is_norm_cond_subset_of): New function.
280 (is_pred_expr_subset_of): New function.
281 (is_pred_chain_subset_of): New function.
282 (is_included_in): New function.
283 (is_superset_of): New function.
284 (find_uninit_use): New function.
285 (warn_uninitialized_phi): New function.
286 (compute_possibly_undefined_names): New function.
287 (ssa_undefined_value_p): New function.
288 (execute_late_warn_uninitialized): New function.
289 * tree-ssa.c (ssa_undefined_value_p): Removed.
290 (warn_uninit): Changed to extern.
291 (warn_uninitialized_phi): Removed.
292 (warn_uninitialized_vars): Changed to extern.
293 (execute_late_warn_uninitialized): Removed
294 * tree-flow.h: Add new prototypes.
295 * timevar.def: Add new time variable.
296 * Makefile.in: Add new build file.
298 2010-04-28 Uros Bizjak <ubizjak@gmail.com>
300 * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
303 2010-04-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
306 * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
308 2010-04-28 Martin Jambor <mjambor@suse.cz>
310 * cgraph.h (struct cgraph_node): New field indirect_calls.
311 (struct cgraph_indirect_call_info): New type.
312 (struct cgraph_edge): Removed field indirect_call. New fields
313 indirect_info, indirect_inlining_edge and indirect_unknown_callee.
314 (cgraph_create_indirect_edge): Declare.
315 (cgraph_make_edge_direct): Likewise.
316 (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
317 * ipa-prop.h (struct ipa_param_call_note): Removed.
318 (struct ipa_node_params): Removed field param_calls.
319 (ipa_create_all_structures_for_iinln): Declare.
320 * cgraph.c: Described indirect edges and uids in initial comment.
321 (cgraph_add_edge_to_call_site_hash): New function.
322 (cgraph_edge): Search also among the indirect edges, use
323 cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
324 (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
325 one, use cgraph_add_edge_to_call_site_hash to add edges to the call
327 (initialize_inline_failed): Assign a reason to indirect edges.
328 (cgraph_create_edge_1): New function.
329 (cgraph_create_edge): Moved some functionality to
330 cgraph_create_edge_1.
331 (cgraph_create_indirect_edge): New function.
332 (cgraph_edge_remove_callee): Add an assert checking for
334 (cgraph_edge_remove_caller): Special-case indirect edges.
335 (cgraph_remove_edge): Likewise.
336 (cgraph_set_edge_callee): New function.
337 (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
338 (cgraph_make_edge_direct): New function.
339 (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
340 the declaration of the call statement matches.
341 (cgraph_node_remove_callees): Special-case indirect edges.
342 (cgraph_clone_edge): Likewise.
343 (cgraph_clone_node): Clone also the indirect edges.
344 (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
345 indirect_call, dump count of indirect_calls edges.
346 * ipa-prop.c (iinlining_processed_edges): New variable.
347 (ipa_note_param_call): Create indirect edges instead of
348 creating notes. New parameter node.
349 (ipa_analyze_call_uses): New parameter node, pass it on to
351 (ipa_analyze_stmt_uses): Likewise.
352 (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
353 (print_edge_addition_message): Work on edges rather than on notes.
354 (update_call_notes_after_inlining): Likewise, renamed to
355 update_indirect_edges_after_inlining.
356 (ipa_create_all_structures_for_iinln): New function.
357 (ipa_free_node_params_substructures): Do not free notes.
358 (ipa_edge_duplication_hook): Propagate bits within
359 iinlining_processed_edges bitmap.
360 (ipa_node_duplication_hook): Do not duplicate notes.
361 (free_all_ipa_structures_after_ipa_cp): Renamed to
362 ipa_free_all_structures_after_ipa_cp.
363 (free_all_ipa_structures_after_iinln): Renamed to
364 ipa_free_all_structures_after_iinln.g
365 (ipa_write_param_call_note): Removed.
366 (ipa_read_param_call_note): Removed.
367 (ipa_write_indirect_edge_info): New function.
368 (ipa_read_indirect_edge_info): Likewise.
369 (ipa_write_node_info): Do not stream notes, do stream information
371 (ipa_read_node_info): Likewise.
372 (lto_ipa_fixup_call_notes): Removed.
373 * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
374 * ipa-inline.c (pass_ipa_inline): Likewise.
375 * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
376 * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
377 * tree-inline.c (copy_bb): Removed an unnecessary double check for
379 * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
381 * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
382 (output_cgraph): Stream also indirect edges.
383 (lto_output_edge): Added capability to stream indirect edges.
384 (input_edge): Likewise.
385 (input_cgraph_1): Likewise.
386 * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
389 2010-04-28 Richard Guenther <rguenther@suse.de>
391 PR tree-optimization/43879
392 PR tree-optimization/43909
393 * tree-ssa-structalias.c (struct variable_info): Add
394 only_restrict_pointers flag.
395 (new_var_info): Initialize it. Increment stats.total_vars here.
396 (create_function_info_for): Do not increment stats.total_vars
398 (get_function_part_constraint): Fix build with C++.
399 (insert_into_field_list): Remove.
400 (push_fields_onto_fieldstack): Properly merge fields.
401 (create_variable_info_for): Split and simplify.
402 (create_variable_info_for_1): New piece.
403 (intra_create_variable_infos): Properly make restrict constraints
406 2010-04-28 Richard Guenther <rguenther@suse.de>
409 * tree-inline.c (copy_bind_expr): Also copy bind expr vars
412 2010-04-27 Manuel López-Ibáñez <manu@gcc.gnu.org>
413 Jan Hubicka <hubicka@ucw.cz>
415 * doc/invoke.texi (-Wsuggest-attribute=const,
416 -Wsuggest-attribute=pure): Document.
417 * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
418 (function_always_visible_to_compiler_p,
419 suggest_attribute, warn_function_pure, warn_function_const):
421 (check_call): Improve debug info.
422 (analyze_function): Do not check availability.
423 (add_new_function): Check availability.
424 (propagate): Output warnings.
425 (skip_function_for_local_pure_const): New function.
426 (local_pure_const): Use it; output warnings.
427 * common.opt (Wsuggest-attribute=const,
428 Wsuggest-attribute=pure): New.
430 2010-04-27 Jakub Jelinek <jakub@redhat.com>
432 * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
433 force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
434 or DW_CFA_def_cfa_offset{,_sf}.
436 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
438 * tree.h: Fix truncated long macros.
440 2010-04-27 Kai Tietz <kai.tietz@onevision.com>
442 * collect2.c (TARGET_64BIT): Redefine to target's default.
444 * config/i386/cygming.h (USER_LABEL_PREFIX): Define
445 dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
446 * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
447 for underscoring __USER_LABEL_PREFIX__.
448 * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
449 (SUB_LINK_ENTRY32): New.
450 (SUB_LINK_ENTRY64): New.
451 (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
452 * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
453 (SUB_LINK_ENTRY64): New.
454 (SUB_LINK_ENTRY): New.
455 (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
456 (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
457 x64 target is choosen.
458 * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
459 * configure: Regenerated.
460 * configure.ac (leading-mingw64-underscores): Option added.
462 2010-04-27 Jan Hubicka <jh@suse.cz>
464 * doc/invoke.texi (-fipa-profile): Document.
465 * opts.c (decode_options): Enable ipa-profile at -O1.
466 * timevar.def (TV_IPA_PROFILE): Define.
467 * common.opt (fipa-profile): Add.
468 * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
470 (cgraph_propagate_frequency): Handle only local ones.
471 * tree-pass.h (pass_ipa_profile): Declare.
472 * ipa-profile.c (gate_profile): Use flag_ipa_profile.
473 (pass_ipa_profile): Use TV_IPA_PROFILE.
474 * ipa.c (ipa_profile): New function.
475 (gate_ipa_profile): Likewise.
476 (pass_ipa_profile): New global variable.
477 * passes.c (pass_ipa_profile): New.
479 2010-04-27 Nathan Froyd <froydnj@codesourcery.com>
481 * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
483 2010-04-27 Martin Jambor <mjambor@suse.cz>
486 * ipa.c (dissolve_same_comdat_group_list): New function.
487 (function_and_variable_visibility): Call
488 dissolve_same_comdat_group_list when comdat group contains external or
490 * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
491 lists are circular and that they contain only DECL_ONE_ONLY nodes.
493 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
495 * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
496 (const_hash_1) <VECTOR_CST>: New case.
497 (compare_constant) <VECTOR_CST>: Likewise.
498 <ADDR_EXPR>: Deal with LABEL_REFs.
499 (copy_constant) <VECTOR_CST>: New case.
501 2010-04-27 Jan Hubicka <jh@suse.cz>
503 * cgraph.c (cgraph_propagate_frequency): New function.
504 * cgraph.h (cgraph_propagate_frequency): Declare.
505 * ipa-inline.c (cgraph_clone_inlined_nodes): Call
506 cgraph_propagate_frequency.
508 2010-04-27 Jakub Jelinek <jakub@redhat.com>
510 * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
512 2010-04-27 Bernd Schmidt <bernds@codesourcery.com>
515 * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
516 (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
517 here to determine which regs to push and how much stack to reserve.
519 2010-04-27 Jie Zhang <jie@codesourcery.com>
521 * doc/gimple.texi (gimple_statement_with_ops): Remove
522 addresses_taken field.
523 (gimple_statement_with_memory_ops): Likewise.
525 2010-04-27 Jan Hubicka <jh@suse.cz>
527 * tree-inline.c (eni_inlining_weights): Remove.
528 (estimate_num_insns): Special case more builtins.
530 2010-04-27 Shujing Zhao <pearly.zhao@oracle.com>
533 * c-typeck.c (build_binary_op): Move forward check for comparison
534 pointer with null pointer constant and adjust the diagnostic message.
536 2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
539 * configure.ac (gcc_cv_as_section_has_align): Set if installed
540 binutils supports extended .section directive needed by LTO, or
541 warn if older binutils found.
542 (LTO_BINARY_READER): New AC_SUBST'd variable.
543 (LTO_USE_LIBELF): Likewise.
544 * gcc/config.gcc (lto_binary_reader): New target-specific configure
546 * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
547 (LTO_USE_LIBELF): Likewise.
548 * configure: Regenerate.
550 * collect2.c (is_elf): Rename from this ...
551 (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
552 object files in addition to ELF-formatted ones.
553 (scan_prog_file): Caller updated. Also allow for LTO info marker
554 symbol to be prefixed or not by an extra underscore.
556 * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
557 * config/i386/winnt.c: Also #include lto-streamer.h
558 (i386_pe_asm_named_section): Specify 1-byte section alignment for
560 (i386_pe_asm_output_aligned_decl_common): Add comment.
561 (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
563 2010-04-27 Hans-Peter Nilsson <hp@bitrange.com>
566 * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
567 Add missing earlyclobber for second alternative.
569 2010-04-26 Bernd Schmidt <bernds@codesourcery.com>
571 * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
572 bits for artificial defs at the top of the block.
573 * fwprop.c (single_def_use_enter_block): Don't call it.
575 2010-04-26 Jack Howarth <howarth@bromo.med.uc.edu>
578 * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
579 instead of "$gcc_cv_objdump -T".
580 Use "-undefined dynamic_lookup" on darwin.
581 * gcc/configure: Regenerate.
583 2010-04-26 Jakub Jelinek <jakub@redhat.com>
586 * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
588 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
590 * c-parser.c (struct c_token): Move location field up.
591 * c-tree.h (struct c_typespec): Move expr_const_operands field up.
592 (struct c_declspecs): Convert typespec_word, storage_class, and
593 default_int_p into bitfields.
594 (struct c_declarator): Move loc field up.
596 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
598 * cfgloop.h (struct loop): Move can_be_parallel field up.
599 * ipa-prop.h (struct ip_node_params): Move bitfields up.
600 * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
602 (struct iv_cand): Convert pos field into a bitfield.
603 * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
605 (struct _stmt_vec_info): Shuffle fields for better packing.
607 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
609 * varasm.c (IN_NAMED_SECTION): Remove guard.
610 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
611 (IN_NAMED_SECTION_P): ...this.
612 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
613 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
615 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
617 * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
618 Use VOID_TYPE_P for all void type tests. Adjust TYPE variable instead
619 of shadowing it. Fix comments.
621 2010-04-26 Jan Hubicka <jh@suse.cz>
623 * cgraph.c (cgraph_create_node): Set node frequency to normal.
624 (cgraph_clone_node): Copy function frequency.
625 * cgraph.h (node_frequency): New enum
626 (struct cgraph_node): Add.
627 * final.c (rest_of_clean_state): Update.
628 * lto-cgraph.c (lto_output_node): Output node frequency.
629 (input_overwrite_node): Input node frequency.
630 * tre-ssa-loop-ivopts (computation_cost): Update.
631 * lto-streamer-out.c (output_function): Do not output function
633 * predict.c (maybe_hot_frequency_p): Update and handle functions
635 (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
637 (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
638 (compute_function_frequency): Set noreturn functions to be executed
640 (choose_function_section): Update.
641 * lto-streamer-in.c (input_function): Do not input function frequency.
642 * function.c (allocate_struct_function): Do not initialize function
644 * function.h (function_frequency): Remove.
645 (struct function): Remove function frequency.
646 * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
647 (try_update): Update.
648 * tree-inline.c (initialize_cfun): Do not update function frequency.
649 * passes.c (pass_init_dump_file): Update.
650 * i386.c (ix86_compute_frame_layout): Update.
651 (ix86_pad_returns): Update.
653 2010-04-26 Jie Zhang <jie@codesourcery.com>
655 PR tree-optimization/43833
656 * tree-vrp.c (range_int_cst_p): New.
657 (range_int_cst_singleton_p): New.
658 (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
659 when both operands are constants. Use range_int_cst_p in
662 2010-04-26 Jan Hubicka <jh@suse.cz>
664 * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
666 2010-04-26 Richard Guenther <rguenther@suse.de>
669 * gimple.c (gimple_decl_printable_name): Deal gracefully
670 with a NULL DECL_NAME.
672 2010-04-26 Richard Guenther <rguenther@suse.de>
675 * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
676 if emitting debug information and it is either a function
679 2010-04-26 Ira Rosen <irar@il.ibm.com>
681 * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
682 determine if the statement is vectorizable, and a macro to access it.
683 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
684 Skip statements that can't be vectorized. If the analysis fails,
685 mark the statement as unvectorizable if vectorizing basic block.
686 (vect_compute_data_refs_alignment): Likewise.
687 (vect_verify_datarefs_alignment): Skip statements marked as
688 unvectorizable. Add print.
689 (vect_analyze_group_access): Skip statements that can't be
690 vectorized. If the analysis fails, mark the statement as
691 unvectorizable if vectorizing basic block.
692 (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
693 * tree-vect-stmts.c (vectorizable_store): Fix the number of
694 generated stmts for SLP.
695 (new_stmt_vec_info): Initialize the new field.
696 * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
697 statements marked as unvectorizable.
699 2010-04-25 Joseph Myers <joseph@codesourcery.com>
701 * c-common.c (flag_isoc1x): New.
702 (flag_isoc99): Update comment.
703 * c-common.h (flag_isoc1x): New.
704 (flag_isoc99): Update comment.
705 * c-cppbuiltin.c (builtin_define_float_constants): Also define
706 __<type>_DECIMAL_DIG__.
707 * c-opts.c (set_std_c1x): New.
708 (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
709 (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
710 * c.opt (-std=c1x, -std=gnu1x): New options.
711 * doc/cpp.texi: Mention -std=c1x.
712 * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
713 * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
714 * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
715 * doc/standards.texi: Mention C1X.
716 * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
717 LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
718 LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
721 2010-04-25 Uros Bizjak <ubizjak@gmail.com>
723 * config/i386/gmon-sol2.c (_mcleanup): Change format string
724 placeholder from 0x%x to %#x.
725 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
726 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
727 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
728 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
729 * config/i386/i386.c (ix86_target_string): Ditto.
730 (output_pic_addr_const): Ditto.
731 (print_operand): Ditto.
733 2010-04-25 Paolo Bonzini <bonzini@gnu.org>
735 * combine.c (find_split_point): Add third argument. Use it
736 to find nested multiply-accumulate instructions. Adjust calls.
737 (try_combine): Adjust call to find_split_point.
739 2010-04-24 Gerald Pfeifer <gerald@pfeifer.com>
741 * doc/contrib.texi (Contributors): Add Dodji Seketeli.
743 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
745 PR tree-optimization/41442
746 * fold-const.c (merge_truthop_with_opposite_arm): New function.
747 (fold_binary_loc): Call it.
749 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
751 * toplev.c (general_init): Set default for fdiagnostics-show-option.
752 * opts.c (common_handle_option): Allow disabling it.
753 * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
755 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
757 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
758 between modes if both types are integral.
760 2010-04-23 Richard Guenther <rguenther@suse.de>
762 PR tree-optimization/43572
763 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
765 2010-04-23 Richard Guenther <rguenther@suse.de>
768 * tree-inline.c (tree_can_inline_p): Also check compatibility
771 2010-04-23 Martin Jambor <mjambor@suse.cz>
773 PR tree-optimization/43846
774 * tree-sra.c (struct access): New flag grp_assignment_read.
775 (build_accesses_from_assign): Set grp_assignment_read.
776 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
777 (enum mark_read_status): New type.
778 (analyze_access_subtree): Propagate grp_assignment_read, create
779 accesses also if both direct_read and root->grp_assignment_read.
781 2010-04-23 Martin Jambor <mjambor@suse.cz>
784 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
785 function does not have type attributes.
787 2010-04-23 Richard Guenther <rguenther@suse.de>
790 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
793 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
795 * sese.h (create_if_region_on_edge): Remove.
797 * sese.c (create_if_region_on_edge): Make static.
799 * tree-inline.c: Do not include ggc.h.
801 * expr.c: Do not include ggc.h.
803 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
806 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
809 * config/sh/sh.c (find_barrier): Don't emit a constant pool
810 in the middle of insns for casesi_worker_2.
812 2010-04-22 David Edelsohn <edelsohn@gnu.org>
814 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
816 2010-04-22 Ira Rosen <irar@il.ibm.com>
818 PR tree-optimization/43842
819 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
820 loop unrolling in update of exit phis. Fix comment.
821 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
822 least two reduction statements in the loop before starting SLP
825 2010-04-22 Nick Clifton <nickc@redhat.com>
827 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
829 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
831 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
834 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
836 * tree-parloops.c (loop_parallel_p): New argument
837 parloop_obstack. Pass it down.
838 (parallelize_loops): New variable parloop_obstack. Initialize it,
839 pass it down, free it.
841 * tree-loop-linear.c (linear_transform_loops): Pass down
844 * tree-data-ref.h (lambda_compute_access_matrices): New argument
845 of type struct obstack *.
847 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
848 scratch_obstack. Initialize it, pass down, free it.
850 * lambda.h (lambda_loop_new): Remove.
851 (lambda_matrix_new, lambda_matrix_inverse)
852 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
853 argument of type struct obstack *.
855 * lambda-trans.c (lambda_trans_matrix_new): New argument
856 lambda_obstack. Pass it down, use obstack allocation for ret.
857 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
860 * lambda-mat.c (lambda_matrix_get_column)
861 (lambda_matrix_project_to_null): Remove.
862 (lambda_matrix_new): New argument lambda_obstack. Use obstack
864 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
867 * lambda-code.c (lambda_loop_new): New function.
868 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
869 (lambda_compute_auxillary_space, lambda_compute_target_space)
870 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
871 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
872 (build_access_matrix): New argument lambda_obstack. Use obstack
874 (lambda_compute_step_signs, lambda_compute_access_matrices): New
875 argument lambda_obstack. Pass it down.
877 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
879 * optabs.h (expand_widening_mult): Declare.
881 2010-04-22 Richard Guenther <rguenther@suse.de>
883 PR tree-optimization/43845
884 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
885 lookup the CALL_EXPR function and arguments.
887 2010-04-22 Nick Clifton <nickc@redhat.com>
889 * config/stormy16/stormy16.c
890 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
891 * config/stormy16/stormy16.h: Tidy up formatting.
892 (DONT_USE_BUILTIN_SETJMP): Remove definition.
893 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
894 (ineqbranchsi): Delete pattern.
895 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
896 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
897 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
898 stormy16-lib2-ucmpsi2.c.
900 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
902 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
903 df_simulate_find_noclobber_defs as appropriate. Keep track of an
904 extra set merge_set_noclobber, and use it to relax the final test
906 * df.h (df_simulate_find_noclobber_defs): Declare.
907 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
909 (df_simulate_find_noclobber_defs): New function.
911 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
913 * config/i386/i386.md: Use {} around multi-line preparation statements.
915 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
917 * c-tree.h (push_init_level, pop_init_level, set_init_index)
918 (process_init_element): New argument of type struct obstack *.
920 * c-typeck.c (push_init_level, pop_init_level, set_designator)
921 (set_init_index, set_init_label, set_nonincremental_init)
922 (set_nonincremental_init_from_string, find_init_member)
923 (output_init_element, output_pending_init_elements)
924 (process_init_element): New argument braced_init_obstack. Pass it
926 (push_range_stack, add_pending_init): New argument
927 braced_init_obstack. Use obstack allocation.
929 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
930 braced_init_obstack. Pass it down.
931 (c_parser_braced_init): New variables ret, braced_init_obstack.
932 Initialize obstack, pass it down and finally free it.
934 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
937 * tree-pass.h (pass_optimize_widening_mul): Declare.
938 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
939 gate_optimize_widening_mul): New static functions.
940 (pass_optimize_widening_mul): New.
941 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
942 <case MULT_EXPR>: Remove support for widening multiplies.
943 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
944 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
945 simplify_gen_unary rather than directly building extensions.
946 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
948 * expmed.c (expand_widening_mult): New function.
949 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
951 2010-04-21 Jan Hubicka <jh@suse.cz>
953 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
954 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
955 * lto-wpa-fixup.c: Remove.
956 * Makefile.in (lto-wpa-fixup.o): Remove.
957 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
958 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
959 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
961 2010-04-21 Jan Hubicka <jh@suse.cz>
963 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
964 add write_optimization_summary, read_optimization_summary.
965 (ipa_write_summaries_of_cgraph_node_set): Remove.
966 (ipa_write_optimization_summaries): Declare.
967 (ipa_read_optimization_summaries): Declare.
968 * ipa-cp.c (pass_ipa_cp): Update.
969 * ipa-reference.c (pass_ipa_reference): Update.
970 * ipa-pure-const.c (pass_ipa_pure_const): Update.
971 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
973 * ipa-inline.c (pass_ipa_inline): Update.
974 * ipa.c (pass_ipa_whole_program): Update.
975 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
976 * passes.c (ipa_write_summaries_1): Do not test wpa.
977 (ipa_write_optimization_summaries_1): New.
978 (ipa_write_optimization_summaries): New.
979 (ipa_read_summaries): Do not test ltrans.
980 (ipa_read_optimization_summaries_1): New.
981 (ipa_read_optimization_summaries): New.
983 2010-04-21 Jan Hubicka <jh@suse.cz>
985 * lto-cgraph.c (lto_output_node): Do not output comdat groups
987 (output_cgraph): Do not arrange comdat groups for boundary nodes.
989 2010-04-21 Jakub Jelinek <jakub@redhat.com>
992 * dwarf2out.c (add_name_and_src_coords_attributes): Add
993 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
995 2010-04-21 Jan Hubicka <jh@suse.cz>
997 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
999 2010-04-21 Jan Hubicka <jh@suse.cz>
1001 * varpool.c (decide_is_variable_needed): Variable is always needed
1004 2010-04-21 Jan Hubicka <jh@suse.cz>
1006 * opts.c (decode_options): Enable pure-const pass for whopr.
1008 2010-04-21 Jan Hubicka <jh@suse.cz>
1010 * cgraph.c (dump_cgraph_node): Dump also assembler name.
1011 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1013 (cgraph_decide_inlining): Do not expect callee to be removed in all
1016 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
1018 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1020 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
1022 * config/i386/i386.md (x86_shrd): Add athlon_decode and
1023 amdfam10_decode attributes.
1025 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1028 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1029 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1030 (lower_copyprivate_clauses): Use private var in outer
1031 context instead of original var. Make sure the types
1032 are correct for VLAs.
1034 2010-04-21 Richard Guenther <rguenther@suse.de>
1036 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1037 to non-pointer objects.
1039 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1041 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
1042 last chain entry if it starts with the still current label.
1043 (add_location_or_const_value_attribute): Check that
1044 loc_list->first->next is NULL instead of comparing ->first with ->last.
1045 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1046 to add_var_loc_to_decl.
1048 * dwarf2out.c (output_call_frame_info): For dw_cie_version
1049 >= 4 add also address size and segment size fields into CIE header.
1051 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1052 long as address size is the same as sizeof (void *) and
1054 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
1055 address size or segment size is unexpected, return DW_EH_PE_omit.
1056 (classify_object_over_fdes): If get_cie_encoding returned
1057 DW_EH_PE_omit, return -1.
1058 (init_object): If classify_object_over_fdes returned -1,
1059 pretend there were no FDEs at all.
1061 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
1063 * config/i386/i386.md (bswap<mode>2): Macroize expander from
1064 bswap{si,di}2 using SWI48 mode iterator.
1065 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1066 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
1067 set modrm attribute of bswap insn to 0 and remove length attribute.
1068 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1069 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
1070 set mode attribute to <MODE> and remove length attribute.
1072 2010-04-20 James E. Wilson <wilson@codesourcery.com>
1074 PR rtl-optimization/43520
1075 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1076 zero available registers.
1078 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1080 * builtins.c (fold_builtin_cproj): Fold more cases.
1082 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1084 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1085 (fold_builtin_1): Fold builtin cproj.
1086 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1087 Use ATTR_CONST_NOTHROW_LIST.
1089 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
1091 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1092 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
1093 ffsi2_no_cmove for !TARGET_CMOVE.
1094 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
1095 (ffssi2): Remove expander.
1096 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1098 (ctz<mode>2): Ditto from ctz{si,di}2.
1099 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1101 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1104 2010-04-20 Jakub Jelinek <jakub@redhat.com>
1106 * dwarf2out.c (AT_linkage_name): Define.
1107 (clone_as_declaration): Handle DW_AT_linkage_name.
1108 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1109 of DW_AT_MIPS_linkage_name.
1110 (move_linkage_attr): Likewise.
1111 (dwarf2out_finish): Likewise.
1113 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
1116 * fold-const.c (fold_comparison): New folding rule.
1118 2010-04-20 Anatoly Sokolov <aesok@post.ru>
1120 * double-int.h (double_int_setbit): Declare.
1121 * double-int.c (double_int_setbit): New function.
1122 * rtl.h (immed_double_int_const): Declare.
1123 * emit-rtl.c (immed_double_int_const): New function.
1124 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1125 and immed_double_int_const functions.
1126 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1127 expand_copysign_bit): (Ditto.).
1128 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1129 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1130 * dojump.c (prefer_and_bit_test): (Ditto.).
1131 * expr.c (convert_modes, reduce_to_bit_field_precision,
1132 const_vector_from_tree): (Ditto.).
1133 * expmed.c (mask_rtx, lshift_value): (Ditto.).
1135 2010-04-20 Jan Hubicka <jh@suse.cz>
1137 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1138 (dump_cgraph_node): Dump new flags.
1139 * cgraph.h (struct cgraph_node): Add flags
1140 reachable_from_other_partition and in_other_partition.
1141 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1142 other partition can not be removed.
1143 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1144 the other partition must be output; silence sanity checking on
1145 leaking functions bodies from other paritition.
1146 * lto-cgraph.c (reachable_from_other_partition_p): New function.
1147 (lto_output_node): Output new flags; do not sanity check that inline
1148 clones are output; drop lto_forced_extern_inline_p code; do not mock
1149 visibility flags at partition boundaries.
1150 (add_node_to): New function.
1151 (output_cgraph): Use it to sort functions so masters appear before
1153 (input_overwrite_node): Input new flags.
1154 * passes.c (ipa_write_summaries): Do not call
1155 lto_new_extern_inline_states.
1156 * lto-section-out.c (forced_extern_inline,
1157 lto_new_extern_inline_states lto_delete_extern_inline_states,
1158 lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1159 * lto-streamer.h (lto_new_extern_inline_states,
1160 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1161 lto_forced_extern_inline_p): Kill.
1163 2010-04-20 Richard Guenther <rguenther@suse.de>
1165 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1166 from vars that can have pointers.
1167 (process_constraint): Dump useless constraints.
1169 2010-04-20 Richard Guenther <rguenther@suse.de>
1171 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1172 (dump_sa_points_to_info): Remove asserts.
1173 (init_base_vars): nothing_id isn't an escape point nor does it
1176 2010-04-20 Jakub Jelinek <jakub@redhat.com>
1178 * tree.h (TYPE_REF_IS_RVALUE): Define.
1179 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1180 should_move_die_to_comdat, prune_unused_types_walk): Handle
1181 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1182 (modified_type_die, gen_reference_type_die): Emit
1183 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1184 if TYPE_REF_IS_RVALUE and -gdwarf-4.
1186 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1189 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1190 calls for -fpic -m31 if they have been sibcall optimized.
1192 2010-04-19 James E. Wilson <wilson@codesourcery.com>
1194 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1195 ar.lc fixed and call-used.
1197 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1199 2010-04-19 Jan Hubicka <jh@suse.cz>
1201 * opts.c (decode_options): Disable whpr incompatible passes.
1202 * lto/lto.c (lto_1_to_1_map): Skip clones.
1203 (read_cgraph_and_symbols): Do not mark everything as needed.
1204 (do_whole_program_analysis): Do map only after optimizing;
1205 set proper cgraph_state; use passmanager.
1207 2010-04-19 DJ Delorie <dj@redhat.com>
1209 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1210 POINTER_PLUS_EXPR and fix them.
1212 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
1214 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1215 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1216 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1217 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1218 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1219 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1220 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1221 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1222 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1223 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1224 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1226 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
1228 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1229 (check_cond_move_block): Likewise.
1230 (cond_move_process_if_block): Likewise.
1231 (noce_find_if_block): Improve formatting.
1232 (find_if_header): Pass 0 to memset and tweak conditions.
1233 (cond_exec_find_if_block): Fix long lines and tweak conditions.
1235 2010-04-19 Jakub Jelinek <jakub@redhat.com>
1237 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1241 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1242 with non-local decl doesn't need chain.
1244 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
1246 * ira-color.c (allocno_reload_assign): Avoid accumulating
1247 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1249 2010-04-19 Martin Jambor <mjambor@suse.cz>
1251 * gimple.h (create_tmp_reg): Declare.
1252 * gimplify.c (create_tmp_reg): New function.
1253 (gimplify_return_expr): Use create_tmp_reg.
1254 (gimplify_omp_atomic): Likewise.
1255 (gimple_regimplify_operands): Likewise.
1256 * tree-dfa.c (make_rename_temp): Likewise.
1257 * tree-predcom.c (predcom_tmp_var): Likewise.
1258 (reassociate_to_the_same_stmt): Likewise.
1259 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1260 (get_replaced_param_substitute): Likewise.
1261 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1262 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1263 * tree-ssa-pre.c (get_representative_for): Likewise.
1264 (create_expression_by_pieces): Likewise.
1265 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1266 (create_tailcall_accumulator): Likewise.
1268 2010-04-19 Martin Jambor <mjambor@suse.cz>
1270 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1272 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1274 2010-04-19 Richard Guenther <rguenther@suse.de>
1276 PR tree-optimization/43796
1277 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1278 from SCEV in the lattice.
1279 (vrp_visit_phi_node): Dump change.
1281 2010-04-19 Richard Guenther <rguenther@suse.de>
1283 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1284 * configure: Re-generated.
1286 2010-04-19 Richard Guenther <rguenther@suse.de>
1288 PR tree-optimization/43783
1289 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1290 constant ARRAY_REF operands two and three if possible.
1292 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
1295 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1297 2010-04-19 Jie Zhang <jie@codesourcery.com>
1300 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1302 2010-04-19 Ira Rosen <irar@il.ibm.com>
1304 PR tree-optimization/37027
1305 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1306 and macro to access it.
1307 (vectorizable_reduction): Add argument.
1308 (vect_get_slp_defs): Likewise.
1309 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1310 statements for possible use in SLP.
1311 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1312 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1313 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1315 (vectorizable_reduction): Likewise.
1316 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1318 (vectorizable_type_demotion, vectorizable_type_promotion,
1319 vectorizable_store): Likewise.
1320 (vect_analyze_stmt): Update call to vectorizable_reduction.
1321 (vect_transform_stmt): Likewise.
1322 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1323 (vect_build_slp_tree): Fix indentation. Check that there are no loads
1324 from different interleaving chains in same node.
1325 (vect_slp_rearrange_stmts): New function.
1326 (vect_supported_load_permutation_p): Allow load permutations for
1327 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1328 inside SLP nodes if necessary.
1329 (vect_analyze_slp_instance): Handle reductions.
1330 (vect_analyze_slp): Try to build SLP instances originating from groups
1332 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1333 (vect_get_constant_vectors): Create initial vectors for reductions
1334 according to reduction code. Add new argument.
1335 (vect_get_slp_defs): Add new argument, pass it to
1336 vect_get_constant_vectors.
1337 (vect_schedule_slp_instance): Remove SLP tree root statements.
1339 2010-04-19 Jakub Jelinek <jakub@redhat.com>
1341 * tree.h (ENUM_IS_SCOPED): Define.
1342 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1343 for ENUM_IS_SCOPED enums.
1345 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
1347 * fold-const.c (fold_comparison): Use ssizetype.
1348 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1349 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1350 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1351 * tree-object-size.c (compute_object_sizes): Use size_type_node.
1353 * tree.h (initialize_sizetypes): Remove parameter.
1354 (build_common_tree_nodes): Remove second parameter.
1355 * stor-layout.c (initialize_sizetypes): Remove parameter.
1356 Always create an unsigned type.
1357 (set_sizetype): Assert that the passed type is unsigned and simplify.
1358 * tree.c (build_common_tree_nodes): Remove second parameter.
1359 Adjust call to initialize_sizetypes.
1360 * c-decl.c (c_init_decl_processing): Remove second argument in call to
1361 build_common_tree_nodes.
1363 2010-04-18 Matthias Klose <doko@ubuntu.com>
1365 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1367 2010-04-18 Ira Rosen <irar@il.ibm.com>
1369 PR tree-optimization/43771
1370 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1371 load permutation doesn't have gaps.
1373 2010-04-18 Jan Hubicka <jh@suse.cz>
1375 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1376 (sse_prologue_save_insn expander): Use new pattern.
1377 (sse_prologue_save_insn1): New pattern and splitter.
1378 (sse_prologue_save_insn): Update to deal also with 64bit aligned
1380 * i386.c (setup_incoming_varargs_64): Do not compute jump
1382 (ix86_gimplify_va_arg): Update alignment needed.
1383 (ix86_local_alignment): Do not align all local arrays to 128bit.
1385 2010-04-17 Jan Hubicka <jh@suse.cz>
1387 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
1389 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1391 * arm.md (negdi2): Remove redundant code to force values into a
1394 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1396 * arm/bpabi.S: Add EABI alignment attributes to objects.
1397 * arm/bpabi-v6m.S: Likewise.
1398 * arm/crti.asm: Likewise.
1399 * arm/crtn.asm: Likewise.
1400 * arm/lib1funcs.asm: Likewise.
1401 * arm/libunwind.S: Likewise.
1403 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1405 * arm-protos.h (tune_params): New structure.
1406 * arm.c (current_tune): New variable.
1407 (arm_constant_limit): Delete.
1408 (struct processors): Add pointer to the tune parameters.
1409 (arm_slowmul_tune): New tuning option.
1410 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
1411 (all_cores): Adjust to pick up the tuning model.
1412 (arm_constant_limit): New function.
1413 (arm_override_options): Select the appropriate tuning model. Delete
1414 initialization of arm_const_limit.
1415 (arm_split_constant): Use the new constant-limit model.
1416 (arm_rtx_costs): Pick up the current tuning model.
1417 * arm.md (is_strongarm, is_xscale): Delete.
1418 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
1419 for Xscale variant architectures.
1420 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
1422 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1424 * config/arm/arm.c (arm_gen_constant): Remove unused variable
1426 (arm_rtx_costs_1): Remove unused variable extra_cost.
1427 (arm_unwind_emit_set): Use variable offset.
1428 (thumb1_output_casesi): Remove unused variable flags.
1430 2010-04-16 Jeff Law <law@redhat.com>
1432 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
1433 needing assignment rather than doing a two-phase assignment. Remove
1434 unused variable 'm'.
1436 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1439 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
1441 2010-04-16 Doug Kwan <dougkwan@google.com>
1443 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
1444 (next_operand_entry_id): New static variable.
1445 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
1446 (add_to_ops_vec): Assigned unique ID to operand entry.
1447 (struct oecount_s): New field ID.
1448 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
1449 (undistribute_ops_list): Assign unique IDs to oecounts.
1450 (init_reassoc): reset next_operand_entry_id.
1452 2010-04-16 Doug Kwan <dougkwan@google.com>
1454 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
1455 missing left parenthesis.
1457 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
1459 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
1460 *btdi_rex64 using SWI48 mode iterator.
1461 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
1462 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
1463 *jcc_btdi_mask_rex64.
1465 2010-04-16 Anatoly Sokolov <aesok@post.ru>
1467 * double-int.h (tree_to_double_int): Convert to macro.
1468 * double-int.c (tree_to_double_int): Remove.
1470 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1473 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
1474 with want_address 2 and in case a single element list might be
1475 possible, call it again with want_address 0.
1477 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
1479 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1480 case 'W' print operands for HI mode.
1481 * config/h8300/h8300.h (Y0, Y2) : New constraints.
1482 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1483 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1484 * config/h8300/predicate.md (bit_register_indirect_operand): New.
1486 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1488 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1489 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1490 #xx:3 and #xx:4 mode.
1492 * config/h8300/h8300.md (inverted load with HImode dest): Add
1493 support for H8300SX.
1495 * config/h8300/predicate.md (bit_operand): Allow immediate values that
1496 satisfy 'U' constraint.
1498 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1500 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1501 * configure: Regenerate.
1502 * config.in: Regenerate.
1503 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1506 2010-04-16 Richard Guenther <rguenther@suse.de>
1508 * tree.h (struct tree_decl_minimal): Move pt_uid ...
1509 (struct tree_decl_common): ... here.
1510 (DECL_PT_UID): Adjust.
1511 (SET_DECL_PT_UID): Likewise.
1512 (DECL_PT_UID_SET_P): Likewise.
1514 2010-04-16 Richard Guenther <rguenther@suse.de>
1516 PR tree-optimization/43572
1517 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1518 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1519 * tree-flow.h (is_call_clobbered): Remove.
1520 * tree-flow-inline.h (is_call_clobbered): Likewise.
1521 * tree-dfa.c (dump_variable): Do not dump call clobber state.
1522 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1523 (execute_return_slot_opt): Adjust.
1524 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1525 check for call clobbered vars here.
1526 (find_tail_calls): Move tailcall verification to the
1529 2010-04-16 Diego Novillo <dnovillo@google.com>
1531 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1533 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
1536 * config/arm/arm.md (cbranchqi4): New pattern.
1537 * config/arm/predicates.md (const0_operand,
1538 cbranchqi4_comparison_operator): New predicates.
1540 2010-04-16 Richard Guenther <rguenther@suse.de>
1542 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1543 (dump_gimple_stmt): Likewise.
1545 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
1547 * recog.h (struct recog_data): New field is_operator.
1548 (struct insn_operand_data): New field is_operator.
1549 * recog.c (extract_insn): Set recog_data.is_operator.
1550 * genoutput.c (output_operand_data): Emit code to set the
1552 * reload.c (find_reloads): Use it rather than testing for an
1553 empty constraint string.
1556 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1557 If the previous insn is a cbranchsi4_insn with the same arguments,
1558 omit the compare instruction.
1560 * config/arm/arm.md (addsi3_cbranch): If destination is a high
1561 register, inputs must be low registers and we need a low register
1562 scratch. Handle alternative 2 like alternative 3.
1564 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1566 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1567 don't call get_addr on both. If one expression is a VALUE and
1568 the other a REG, check VALUE's locs if the REG isn't among them.
1570 2010-04-16 Christian Bruel <christian.bruel@st.com>
1572 * config/sh/sh.h (sh_frame_pointer_required): New function.
1573 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1574 (flag_omit_frame_pointer) Set.
1575 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1576 (rounded_frame_size): Adjust size with outgoing_args_size.
1577 (sh_set_return_address): Must return from stack pointer.
1578 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1579 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1580 (ACCUMULATE_OUTGOING_ARGS): Define.
1581 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1582 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1584 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
1587 * config/sh/sh.c (sh_legitimize_reload_address): Use
1588 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1589 Remove a unneeded check for offset_base.
1591 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
1593 * configure: Regenerated.
1595 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1597 * config/s390/s390.c (s390_call_save_register_used): Switch back
1598 to HARD_REGNO_NREGS.
1600 2010-04-15 Richard Guenther <rguenther@suse.de>
1602 * alias.c (alias_set_subset_of): Handle alias-set zero
1605 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
1606 Julian Brown <julian@codesourcery.com>
1608 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1609 alternatives according to use of high and low regs.
1610 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1611 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1612 optimizing for size on Thumb-2.
1614 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
1616 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1618 2010-04-15 Richard Guenther <rguenther@suse.de>
1620 * tree-ssa-structalias.c (struct variable_info): Add
1622 (new_var_info): Initialize it.
1623 (dump_constraints): Support printing last added constraints.
1624 (debug_constraints): Adjust.
1625 (dump_constraint_graph): Likewise.
1626 (make_heapvar_for): Check for NULL cfun.
1627 (get_function_part_constraint): New function.
1628 (get_fi_for_callee): Likewise.
1629 (find_func_aliases): Properly implement IPA PTA constraints.
1630 (process_ipa_clobber): New function.
1631 (find_func_clobbers): Likewise.
1632 (insert_into_field_list_sorted): Remove.
1633 (create_function_info_for): Properly allocate vars for IPA mode.
1634 Do not use insert_into_field_list_sorted.
1635 (create_variable_info_for): Properly generate constraints for
1636 global vars in IPA mode.
1637 (dump_solution_for_var): Always dump the solution.
1638 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1639 (find_what_var_points_to): Adjust.
1640 (pt_solution_set): Change.
1641 (pt_solution_ior_into): New function.
1642 (pt_solution_empty_p): Export.
1643 (pt_solution_includes_global): Adjust.
1644 (pt_solution_includes_1): Likewise.
1645 (pt_solutions_intersect_1): Likewise.
1646 (dump_sa_points_to_info): Check some invariants.
1647 (solve_constraints): Move constraint dumping ...
1648 (compute_points_to_sets): ... here.
1649 (ipa_pta_execute): ... and here.
1650 (compute_may_aliases): Do not re-compute points-to info
1651 locally if IPA info is available.
1652 (ipa_escaped_pt): New global var.
1653 (ipa_pta_execute): Properly implement IPA PTA.
1654 * tree-into-ssa.c (dump_decl_set): Support dumping
1655 decls not in referenced-vars.
1656 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1657 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1658 (dump_points_to_solution): Likewise.
1659 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1660 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1661 (remap_gimple_stmt): Reset call clobber/use information if necessary.
1662 (copy_decl_to_var): Copy DECL_PT_UID.
1663 (copy_result_decl_to_var): Likewise.
1664 * tree.c (make_node_stat): Initialize DECL_PT_UID.
1665 (copy_node_stat): Copy it.
1666 * tree.h (DECL_PT_UID): New macro.
1667 (SET_DECL_PT_UID): Likewise.
1668 (DECL_PT_UID_SET_P): Likewise.
1669 (struct tree_decl_minimal): Add pt_uid member.
1670 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1671 (pt_solution_empty_p): Declare.
1672 (pt_solution_set): Adjust.
1673 (ipa_escaped_pt): Declare.
1674 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1675 * gimple-pretty-print.c (pp_points_to_solution): New function.
1676 (dump_gimple_call): Dump call clobber/use information.
1677 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1678 * tree-pass.h (TDF_ALIAS): New dump option.
1679 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1680 * doc/invoke.texi (-fipa-pta): Update documentation.
1682 2010-04-15 Richard Guenther <rguenther@suse.de>
1684 * Makefile.in (OBJS-common): Add gimple-fold.o.
1685 (gimple-fold.o): New rule.
1686 * tree.h (maybe_fold_offset_to_reference,
1687 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1689 * gimple.h: ... here.
1690 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1691 may_propagate_address_into_dereference): Move prototypes ...
1692 * gimple.h: ... here.
1693 * tree-ssa-ccp.c (get_symbol_constant_value,
1694 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1695 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1696 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1697 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1698 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1699 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1700 gimplify_and_update_call_from_tree): Move ...
1701 * gimple-fold.c: ... here. New file.
1702 (ccp_fold_builtin): Rename to ...
1703 (gimple_fold_builtin): ... this.
1704 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1706 2010-04-15 Richard Guenther <rguenther@suse.de>
1708 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1709 fit_double_type, force_fit_type_double, add_double_with_sign,
1710 neg_double, mul_double_with_sign, lshift_double, rshift_double,
1711 lrotate_double, rrotate_double, div_and_round_double): Move ...
1712 * double-int.c: ... here.
1713 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1714 add_double, neg_double, mul_double_with_sign, mul_double,
1715 lshift_double, rshift_double, lrotate_double, rrotate_double,
1716 div_and_round_double): Move prototypes ...
1717 * double-int.h: ... here.
1719 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
1722 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
1723 matching constraints to ensure inputs match the output.
1725 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
1728 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1729 in an input-only operand.
1731 2010-04-15 Anatoly Sokolov <aesok@post.ru>
1733 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1734 (double_int_not, double_int_lshift, double_int_rshift): Declare.
1735 (double_int_negative_p): Convert to static inline function.
1736 * double-int.c (double_int_lshift, double_int_lshift): New functions.
1737 (double_int_negative_p): Remove.
1738 * tree.h (lshift_double, rshift_double):
1739 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1740 * fold-const.c (fold_convert_const_int_from_real,
1741 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1742 (lshift_double): Change type of arith argument to bool.
1743 (rshift_double): Change type of arith argument to bool. Correct
1745 * expmed.c (mask_rtx, lshift_value): (Ditto.).
1747 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
1750 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1751 at the start and end of the then/else blocks, and omit them from the
1753 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
1754 argument; all callers changed. Pass zero to old_insns_match_p instead.
1755 (flow_find_head_matching_sequence): New function.
1756 (old_insns_match_p): Check REG_EH_REGION notes for calls.
1757 * basic-block.h (flow_find_cross_jump,
1758 flow_find_head_matching_sequence): Declare functions.
1760 2010-04-14 Jason Merrill <jason@redhat.com>
1763 * c-common.c (attribute_takes_identifier_p): New fn.
1764 * c-common.h: Declare it.
1766 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1768 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1770 (*udivmod<mode>4): Ditto.
1772 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1774 * config/i386/i386.md (maxmin_int): Rename code attribute from
1775 maxminiprefix and update all users.
1776 (maxmin_float): Ditto from maxminfprefix.
1777 (logic): Ditto from logicprefix.
1778 (absneg_mnemonic): Ditto from absnegprefix.
1779 * config/i386/mmx.md: Update all users of maxminiprefix,
1780 maxminfprefix and logicprefix for rename.
1781 * config/i386/sse.md: Ditto.
1782 * config/i386/sync.md (sync_<code><mode>): Update for
1785 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
1788 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1789 warnings converted to errors.
1791 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1793 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1794 used insn_type variable.
1795 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1796 to avoid set-but-not-used warning.
1798 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1800 * df-core.c (df_ref_debug): Change format string placeholder
1802 * dwarf2asm.c (dw2_asm_output_data_raw,
1803 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1804 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1805 * dwarf2out.c (output_cfi, output_cfi_directive,
1806 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1807 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1809 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1810 * print-rtl.c (print_rtx): Ditto.
1812 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
1815 * builtins.c (expand_builtin_pow_root): New function to expand pow
1816 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1817 series of sqrt and cbrt calls under -ffast-math.
1818 (expand_builtin_pow): Call it.
1820 2010-04-14 Michael Matz <matz@suse.de>
1822 PR tree-optimization/42963
1823 * tree-cfg.c (touched_switch_bbs): New static variable.
1824 (group_case_labels_stmt): New function broken out from ...
1825 (group_case_labels): ... here, use the above.
1826 (start_recording_case_labels): Allocate touched_switch_bbs.
1827 (end_recording_case_labels): Deallocate it, call
1828 group_case_labels_stmt.
1829 (gimple_redirect_edge_and_branch): Remember index of affected BB.
1831 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1833 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1836 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1838 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1840 2010-04-13 Jan Hubicka <jh@suse.cz>
1842 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1843 of optimized out static functions.
1844 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1845 cost computation. Also sanity check for overflows.
1846 (update_caller_keys): Update cgraph_edge_badness call; properly
1847 update fibheap and sanity check that it is up to date.
1848 (add_new_edges_to_heap): Update cgraph_edge_badness.
1849 (cgraph_decide_inlining_of_small_function): Likewise;
1850 add sanity checking that badness in heap is up to date;
1851 improve dumping of reason; Update badness of calls to the
1852 offline copy of function currently inlined; dump badness
1853 of functions not inlined because of unit growth limits.
1855 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
1858 * c-common.c (pointer_int_sum): Disregard overflow that occured only
1859 because of sign-extension change when converting to sizetype here...
1860 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1862 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1863 the folding to constants. Remove redundant final conversion.
1864 (fold_binary) <associate>: Do not associate if the re-association of
1865 constants alone overflows.
1866 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1867 to the end of the list.
1868 (multiple_of_p) <COND_EXPR>: New case.
1870 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
1872 * opt-functions.awk (opt_sanitized_name): New.
1874 * optc-gen.awk: Use it
1875 * opth-gen.awk: Use it.
1877 2010-04-13 Martin Jambor <mjambor@suse.cz>
1879 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1880 (sra_modify_assign): Delete stmts loading dead data even if racc has no
1881 children. Call replace_uses_with_default_def_ssa_name to handle
1884 2010-04-13 Michael Matz <matz@suse.de>
1887 * builtins.c (expand_builtin_interclass_mathfn): Also create
1888 a register if the predicate doesn't match.
1890 2010-04-13 Diego Novillo <dnovillo@google.com>
1892 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1893 * c-pch.c: Include timevar.h.
1894 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
1895 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
1896 * ggc-common.c: Include timevar.h.
1897 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
1898 * timevar.def (TV_PCH_SAVE): Define.
1899 (TV_PCH_CPP_SAVE): Define.
1900 (TV_PCH_PTR_REALLOC): Define.
1901 (TV_PCH_PTR_SORT): Define.
1902 (TV_PCH_RESTORE): Define.
1903 (TV_PCH_CPP_RESTORE): Define.
1905 2010-04-13 Michael Matz <matz@suse.de>
1907 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1909 (can_reassociate_p): New function.
1910 (break_up_subtract_bb, reassociate_bb): Use it.
1912 2010-04-13 Richard Guenther <rguenther@suse.de>
1915 * builtins.c (c_readstr): Fix assert.
1917 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
1919 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
1920 when generating cltd insn.
1922 (*ashl<mode>3_1): Remove special handling for register operand 2.
1923 (*ashlsi3_1_zext): Ditto.
1924 (*ashlhi3_1): Ditto.
1925 (*ashlhi3_1_lea): Ditto.
1926 (*ashlqi3_1): Ditto.
1927 (*ashlqi3_1_lea): Ditto.
1928 (*<shiftrt_insn><mode>3_1): Ditto.
1929 (*<shiftrt_insn>si3_1_zext): Ditto.
1930 (*<shiftrt_insn>qi3_1_slp): Ditto.
1931 (*<rotate_insn><mode>3_1): Ditto.
1932 (*<rotate_insn>si3_1_zext): Ditto.
1933 (*<rotate_insn>qi3_1_slp): Ditto.
1935 2010-04-13 Richard Guenther <rguenther@suse.de>
1937 * tree-ssa-structalias.c (callused_id): Remove.
1938 (call_stmt_vars): New.
1939 (get_call_vi): Likewise.
1940 (lookup_call_use_vi): Likewise.
1941 (lookup_call_clobber_vi): Likewise.
1942 (get_call_use_vi): Likewise.
1943 (get_call_clobber_vi): Likewise.
1944 (make_transitive_closure_constraints): Likewise.
1945 (handle_const_call): Adjust to do per-call call-used handling.
1946 (handle_pure_call): Likewise.
1947 (find_what_var_points_to): Remove general callused handling.
1948 (init_base_vars): Likewise.
1949 (init_alias_vars): Initialize call_stmt_vars.
1950 (compute_points_to_sets): Process call-used and call-clobbered
1951 vars for call statements.
1952 (delete_points_to_sets): Free call_stmt_vars.
1954 2010-04-13 Richard Guenther <rguenther@suse.de>
1956 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1957 Only add RW dependence for dependence distance zero.
1958 Adjust maximal vectorization factor according to dependences.
1959 Move alignment handling ...
1960 (vect_find_same_alignment_drs): ... here. New function.
1961 (vect_analyze_data_ref_dependences): Adjust.
1962 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
1963 (vect_analyze_data_refs): Adjust minimal vectorization factor
1964 according to data references.
1965 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
1966 dependences before determining the vectorization factor.
1967 Analyze alignment after determining the vectorization factor.
1968 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
1969 dependences before alignment.
1970 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
1972 (vect_analyze_data_refs): Likewise.
1973 (MAX_VECTORIZATION_FACTOR): New define.
1975 2010-04-13 Duncan Sands <baldrick@free.fr>
1977 * except.h (lang_eh_type_covers): Remove.
1978 * except.c (lang_eh_type_covers): Likewise.
1980 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1981 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1983 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
1984 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
1985 UNITS_PER_LONG where it is ABI relevant.
1986 (s390_return_addr_rtx): Likewise.
1987 (s390_back_chain_rtx): Likewise.
1988 (s390_frame_area): Likewise.
1989 (s390_frame_info): Likewise.
1990 (s390_initial_elimination_offset): Likewise.
1991 (save_gprs): Likewise.
1992 (s390_emit_prologue): Likewise.
1993 (s390_emit_epilogue): Likewise.
1994 (s390_function_arg_advance): Likewise.
1995 (s390_function_arg): Likewise.
1996 (s390_va_start): Likewise.
1997 (s390_gimplify_va_arg): Likewise.
1998 (s390_function_profiler): Likewise.
1999 (s390_optimize_prologue): Likewise.
2000 (s390_rtx_costs): Likewise.
2001 (s390_secondary_reload): Likewise.
2002 (s390_promote_function_mode): Likewise.
2003 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2004 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2005 registers available.
2006 (s390_unwind_word_mode): New function.
2007 (s390_function_value): Split 64 bit values into register pair if
2008 used as return value.
2009 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2010 function call parameters. Handle parallels.
2011 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2012 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2013 (DWARF_CIE_DATA_ALIGNMENT): New macro.
2014 (s390_expand_setmem): Remove unused variable src_addr.
2015 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2016 deal with 64 bit registers.
2017 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2018 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2019 (UNITS_PER_LONG): New macro.
2020 * libjava/include/s390-signal.h: Define extended ucontext
2021 structure containing the upper halfs of the 64 bit registers.
2023 2010-04-13 Simon Baldwin <simonb@google.com>
2025 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2027 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
2029 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2030 rvalue on the RHS if the LHS is of a non-renamable type.
2031 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2033 2010-04-13 Matthias Klose <doko@ubuntu.com>
2035 * gcc.c (cc1_options): Handle -iplugindir before processing
2036 the cc1 spec. Only add -iplugindir once.
2037 (cpp_unique_options): Add -iplugindir option if -fplugin* options
2039 * common.opt (iplugindir): Remove `Separate' property, initialize.
2040 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2042 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2043 (distclean): Remove plugin dir.
2044 * doc/invoke.texi: Document -iplugindir.
2046 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
2048 * doc/plugins.texi (Loading Plugins): Document short
2049 -fplugin=foo option.
2050 (Plugin API): Mention default_plugin_dir_name function.
2052 * gcc.c (find_file_spec_function): Add new declaration.
2053 (static_spec_func): Use it for "find-file".
2054 (find_file_spec_function): Add new function.
2055 (cc1_options): Add -iplugindir option if -fplugin* options found.
2057 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2059 * plugin.c (add_new_plugin): Updated comment, and handle short
2061 (default_plugin_dir_name): Added new function.
2063 * common.opt (iplugindir): New option to set the plugin directory.
2065 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
2067 * config/i386/i386.md (any_rotate): New code iterator.
2068 (rotate_insn): New code attribute.
2070 (SWIM124): New mode iterator.
2071 (<rotate_insn>ti3): New expander.
2072 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2073 any_rotate code iterator.
2074 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2075 using any_rotate code iterator and SWIM124 mode iterator.
2076 (ix86_rotlti3): New insn_and_split pattern.
2077 (ix86_rotrti3): Ditto.
2078 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2079 ix86_rotl{di,ti}3 patterns.
2080 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2081 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2082 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2083 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2084 code iterator and SWI mode iterator.
2085 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2086 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2088 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2089 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2090 (bswap rotatert splitter): Add splitter.
2091 (bswap splitter): Macroize splitter using any_rotate code iterator.
2092 Add insn predicate to split only for TARGET_USE_XCHGB or when
2093 optimizing function for size.
2095 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2097 * config/pa/pa.c (emit_move_sequence): Remove use of
2098 deleted variable flag_argument_noalias.
2100 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2102 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2104 Add to unsupported targets list.
2105 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2106 sparc*-sun-solaris2.[567]* from target lists.
2107 * configure: Regenerate.
2108 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2110 Remove Solaris 7 patch references.
2111 (Specific, sparc-sun-solaris2.7): Removed.
2112 (sparc-sun-solaris2*): Update Solaris 7 example.
2113 (sparc64-*-solaris2*): Likewise.
2115 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2117 * config.build (alpha*-dec-osf4*): Remove.
2118 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2119 of obsolete configurations.
2120 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2122 * config/alpha/t-osf4: Renamed to ...
2123 * config/alpha/t-osf5: ... this.
2124 * config/alpha/osf.h: Renamed to ...
2125 * config/alpha/osf5.h: ... this.
2126 Merged old osf5.h contents.
2128 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2129 (EXTRA_SPECS): Removed.
2130 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2131 reflect removal of Tru64 UNIX V4.0/V5.0 support.
2134 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2136 * doc/contrib.texi (Contributors, Rainer Orth): Update.
2138 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
2141 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2142 __thiscall convention.
2144 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2146 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2148 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2150 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2152 * function.c (assign_parms_initialize_all): Add unused attribute
2155 2010-04-12 Richard Guenther <rguenther@suse.de>
2157 * gsstruct.def (GSS_CALL): New.
2158 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2159 * gimple.h: Include tree-ssa-alias.h.
2160 (struct gimple_statement_call): New.
2161 (union gimple_statement_struct_d): Add gimple_call member.
2162 (gimple_call_reset_alias_info): Declare.
2163 (gimple_call_use_set): New function.
2164 (gimple_call_clobber_set): Likewise.
2165 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2166 * gimple.c (gimple_call_reset_alias_info): New function.
2167 (gimple_build_call_1): Call it.
2168 * lto-streamer-in.c (input_gimple_stmt): Likewise.
2169 * tree-inline.c (remap_gimple_stmt): Likewise.
2170 (expand_call_inline): Remove callused handling.
2171 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2172 * tree-dfa.c (dump_variable): Likewise.
2173 * tree-parloops.c (parallelize_loops): Likewise.
2174 * tree-ssa.c (init_tree_ssa): Likewise.
2175 (delete_tree_ssa): Likewise.
2176 * tree-flow-inline.h (is_call_used): Remove.
2177 * tree-flow.h (struct gimple_df): Remove callused member.
2178 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2179 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2180 (ref_maybe_used_by_call_p_1): Simplify.
2181 (call_may_clobber_ref_p_1): Likewise.
2182 * tree-ssa-structalias.c (compute_points_to_sets): Set
2183 the call stmt used and clobbered sets.
2184 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2185 (find_tail_calls): Verify the tail call.
2187 2010-04-12 Richard Guenther <rguenther@suse.de>
2189 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2190 single-iteration always-inline inlining.
2191 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2192 (cgraph_decide_inlining): Do not handle always-inline specially.
2193 (try_inline): Remove always-inline cycle detection special case.
2194 Do not recurse on always-inlines.
2195 (cgraph_early_inlining): Do not iterate if not optimizing.
2196 (cgraph_gate_early_inlining): remove.
2197 (pass_early_inline): Run unconditionally.
2198 (gate_cgraph_decide_inlining): New function.
2199 (pass_ipa_inline): Use it. Do not run the IPA inliner if
2200 not inlining or optimizing.
2201 (cgraph_decide_inlining_of_small_functions): Also consider
2202 always-inline functions.
2203 (cgraph_default_inline_p): Return true for nodes which should
2204 disregard inline limits.
2205 (estimate_function_body_sizes): Assume zero size and time for
2206 nodes which are marked as disregarding inline limits.
2207 (cgraph_decide_recursive_inlining): Do not perform recursive
2208 inlining on always-inline nodes.
2210 2010-04-12 Jakub Jelinek <jakub@redhat.com>
2213 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2214 for exprs satisfying handled_component_p.
2216 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
2218 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2219 non-constant aggregate elements.
2221 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2222 is a real initialization.
2224 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
2227 * c-decl.c (start_function): Move forward check for nested function.
2229 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
2231 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2232 * config/sh/sh.c: Include reload.h.
2233 (sh_legitimize_reload_address): New.
2234 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2235 sh_legitimize_reload_address.
2237 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
2239 * config/sh/sh.md (*movqi_pop): New insn pattern.
2240 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2242 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2244 * config/i386/i386.md (any_shiftrt): New code iterator.
2245 (shiftrt_insn): New code attribute.
2247 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2248 using any_shiftrt code iterator.
2249 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2250 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2251 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2252 pattern from corresponding peephole2 patterns.
2253 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2254 using any_shiftrt code iterator.
2255 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2256 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2257 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2258 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2259 *{ashr,lshr}<mode>3_cmp_zext.
2260 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2262 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2264 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2266 (*lshr<mode>3_cconly): Ditto.
2268 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2270 * config/i386/i386.md (lshr<mode>3): Macroize expander from
2271 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2272 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
2273 pattern from *lshr{di,ti}3_1 and corresponding splitters using
2275 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2276 from corresponding peephole2 patterns.
2277 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2278 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2279 and *lshrdi3_1_rex64 using SWI mode iterator.
2280 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2281 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2282 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2283 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2284 and *lshrdi3_cmp_rex64 using SWI mode iterator.
2285 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2286 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2287 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2288 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2291 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
2293 * config/i386/i386.md (ashr<mode>3): Macroize expander from
2294 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2295 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
2296 pattern from *ashr{di,ti}3_1 and corresponding splitters using
2298 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2299 from corresponding peephole2 patterns.
2300 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2301 (ashrsi3_cvt): Rename from ashrsi3_31.
2302 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2303 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2304 and x86_64_shift_adj_3 using SWI48 mode iterator.
2305 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2306 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2307 and *ashrdi3_1_rex64 using SWI mode iterator.
2308 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2309 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2310 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2311 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2312 and *ashrdi3_cmp_rex64 using SWI mode iterator.
2313 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2314 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2315 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2316 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2318 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2319 * config/i386/i386.c (ix86_split_ashr): Update for renamed
2320 x86_shift<mode>_adj_3 expanders.
2322 2010-04-10 Wei Guozhi <carrot@google.com>
2325 * config/arm/arm.c (arm_pic_static_addr): New function.
2326 (legitimize_pic_address): Call arm_pic_static_addr when it detects
2328 (arm_output_addr_const_extra): Output expression for new pattern.
2329 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2331 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
2333 * ira-costs.c (record_reg_classes): Ignore alternatives that are
2336 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2337 * web.c: Include "insn-config.h" and "recog.h".
2338 (union_match_dups): New function.
2339 (web_main): Call it.
2340 (union_defs): Don't try to recognize match_dups.
2342 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2343 if doing so would replace the entire pattern.
2345 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
2349 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2350 and splitter pattern. Change splitter operand 1 predicate to
2353 2010-04-09 Martin Jambor <mjambor@suse.cz>
2355 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2356 lattices are addresses of CONST_DECLs with the same initial value.
2357 (ipcp_print_all_lattices): Print values of CONST_DECLs.
2358 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2360 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
2361 Bernd Schmidt <bernds@codesourcery.com>
2363 * loop-invariant.c (replace_uses): New static function.
2364 (move_invariant_reg): Use it to ensure we can replace the uses.
2366 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
2368 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2370 (picochip_override_options): Enable section anchors only above -O1.
2371 (picochip_reorg): Fixed a couple of build warnings.
2373 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2375 * configure.ac (plugin -rdynamic test): Log result.
2376 * configure: Regenerate.
2377 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2378 (RDYNAMIC_SPEC): Define.
2379 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2381 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2383 * configure.ac: Determine Sun ld version numbers.
2384 (comdat_group): Restrict GNU ld version checks to gld.
2385 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
2386 (enable_comdat): Support --enable-comdat.
2387 * configure: Regenerate.
2388 * doc/install.texi (Configuration): Document --enable-comdat.
2390 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2392 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
2393 * config/sol2-gld.h: ... here.
2394 * config.gcc (sparc*-*-solaris2*): Reflect this.
2395 (i[34567]86-*-solaris2*): Use it.
2397 2010-04-09 Steve Ellcey <sje@cup.hp.com>
2399 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
2401 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
2403 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
2406 * diagnostic.c (diagnostic_initialize): Initialize
2407 some_warnings_are_errors.
2408 (diagnostic_finish): New.
2409 (diagnostic_action_after_output): Call it before exiting.
2410 (diagnostic_report_diagnostic): Do not print message here. Set
2411 some_warnings_are_errors.
2412 * diagnostic.h (diagnostic_context): Delete
2413 issue_warnings_are_errors_message. Add some_warnings_are_errors.
2414 (diagnostic_finish): Declare.
2415 * toplev.c (toplev_main): Call it before exit.
2417 2010-04-09 Jason Merrill <jason@redhat.com>
2420 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
2421 for incomplete type.
2424 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
2425 based on a warning flag.
2427 2010-04-09 Richard Guenther <rguenther@suse.de>
2429 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
2431 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
2434 * varasm.c (default_assemble_visibility): Wrap vars that are
2435 set, but unused, by targets without GAS.
2436 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
2437 Remove set, but unused, vars.
2438 (rs6000_legitimize_tls_address): Likewise.
2439 (altivec_expand_dst_builtin): Likewise.
2440 * config/darwin.c (machopic_classify_symbol): Likewise.
2441 (machopic_indirection_name): Likewise.
2443 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
2445 * config/i386/i386.md (DWI): New mode iterator.
2446 (S): New mode attribute.
2447 (shift_operand): Ditto.
2448 (shift_immediate_operand): Ditto.
2449 (ashl_input_operand): Ditto.
2450 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
2451 using SDWIM mode iterator.
2452 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
2453 pattern from *ashl{di,ti}3_1 and corresponding splitters using
2455 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
2456 from corresponding peephole2 patterns.
2457 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
2458 and x86_64_shift_adj_1 using SWI48 mode iterator.
2459 (x86_shift<mode>_adj_2): Ditto.
2460 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
2461 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
2462 using SWI48 mode iterator.
2463 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
2464 *ashldi3_cmp_rex64 using SWI mode iterator.
2465 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
2466 *ashldi3_cconly_rex64 using SWI mode iterator.
2467 * config/i386/i386.c (ix86_split_ashl): Update for renamed
2468 x86_shift<mode>_adj_{1,2}.
2469 (ix86_split_ashr): Ditto.
2470 (ix86_split_lshr): Ditto.
2472 2010-04-09 Richard Guenther <rguenther@suse.de>
2474 * target.h (builtin_conversion): Pass in input and output types.
2475 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
2476 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
2477 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
2478 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2480 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2482 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2484 2010-04-09 Richard Guenther <rguenther@suse.de>
2487 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2489 2010-04-09 Richard Guenther <rguenther@suse.de>
2491 * tree-vectorizer.h (struct _stmt_vec_info): Document
2492 that vectype is the type of the LHS.
2493 (supportable_widening_operation, supportable_narrowing_operation):
2494 Get both input and output vector types as arguments.
2495 (vect_is_simple_use_1): Declare.
2496 (get_same_sized_vectype): Likewise.
2497 * tree-vect-loop.c (vect_determine_vectorization_factor):
2498 Set STMT_VINFO_VECTYPE to the vector type of the def.
2499 (vectorizable_reduction): Adjust.
2500 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2501 Adjust. Specify the output vector type.
2502 (vect_pattern_recog_1): Adjust.
2503 * tree-vect-stmts.c (get_same_sized_vectype): New function.
2504 (vectorizable_call): Adjust.
2505 (vectorizable_conversion): Likewise.
2506 (vectorizable_operation): Likewise.
2507 (vectorizable_type_demotion): Likewise.
2508 (vectorizable_type_promotion): Likewise.
2509 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2511 (vect_is_simple_use_1): New function.
2512 (supportable_widening_operation): Get both input and output
2514 (supportable_narrowing_operation): Likewise.
2515 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2517 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
2519 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2520 __thiscall and _thiscall as predefined macros.
2521 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2522 thiscall attribute handling.
2523 (ix86_comp_type_attributes): Likewise.
2524 (ix86_function_regparm): Likewise.
2525 (ix86_return_pops_args): Likewise.
2526 (init_cumulative_args): Likewise.
2527 (find_drap_reg): Likewise.
2528 (ix86_static_chain): Likewise.
2529 (x86_this_parameter): Likewise.
2530 (x86_output_mi_thunk): Likewise.
2531 (ix86_attribute_table): Add description for thiscall attribute.
2532 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2533 * doc/extend.texi: Add documentation for thiscall.
2535 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
2538 * c.opt (Wint-to-pointer-cast): Available in C++.
2539 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2541 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
2543 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2544 * calls.c (expand_call): Pass the function type to aggregate_value_p.
2545 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2546 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
2547 function type instead. Reorder and simplify checks.
2549 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2551 2010-04-08 Jing Yu <jingyu@google.com>
2552 Zdenek Dvorak <ook@ucw.cz>
2554 PR tree-optimization/42720
2555 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2556 loop unswitch conditions here from ...
2557 (tree_unswitch_single_loop): ... here.
2559 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
2561 * tree-if-conv.c: Fix comments and simplify logic.
2563 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
2565 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2566 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
2567 (main_tree_if_conversion): Update call to tree_if_conversion.
2569 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
2572 * doc/invoke.texi (-b,-V): Delete.
2573 * doc/tm.texi: Do not mention -b.
2574 * gcc.c (display_help): Delete -b and -V.
2575 (process_command): Delete -b and -V.
2576 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2578 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
2579 Wolfgang Gellerich <gellerich@de.ibm.com>
2581 Implement target hook for loop unrolling
2582 * target.h (loop_unroll_adjust): Add a new target hook function.
2583 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2584 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2585 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2586 (s390_loop_unroll_adjust): Implement the new target hook for s390.
2587 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2589 (decide_unroll_stupid): Likewise.
2591 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2594 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2596 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2598 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2599 (Specific, *-*-solaris2*): Likewise.
2600 Don't prefer Sun as over GNU as.
2602 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
2604 * config/s390/s390.c (override_options): Adjust the z10
2605 defaults for max-unroll-times, max-completely-peeled-insns
2606 and max-completely-peel-times.
2608 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2610 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2611 instructions for z10.
2612 (s390_expand_setmem): Likewise.
2613 (s390_expand_cmpmem): Likewise.
2615 2010-04-08 Richard Guenther <rguenther@suse.de>
2617 PR tree-optimization/43679
2618 * tree-ssa-pre.c (eliminate): Only propagate copies.
2620 2010-04-08 Jakub Jelinek <jakub@redhat.com>
2623 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2624 set but not used variable warning.
2626 2010-04-08 Wei Guozhi <carrot@google.com>
2629 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2630 (arm_size_rtx_costs): Call the new function when optimized for size.
2632 2010-04-08 Jakub Jelinek <jakub@redhat.com>
2635 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2636 op0 is not a MEM, just return NULL instead of assertion
2638 (discover_nonconstant_array_refs): Don't walk debug stmts.
2640 2010-04-08 Doug Kwan <dougkwan@google.com>
2642 * configure.ac: Recognize gold and do not use its version number
2643 to test ld features.
2644 * configure: Regenerate.
2646 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
2649 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2650 (negate_value): Move code to push elements to broken_up_substracts ...
2651 (eliminate_plus_minus_pair): ... here. Push operands that have no
2652 negative pair to plus_negates.
2653 (repropagate_negates, init_reassoc, fini_reassoc): Update.
2655 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2657 * doc/install.texi (Configuration): Move description of
2658 --enable-lto, --with-libelf*, --enable-gold from Java section to
2661 * doc/generic.texi (Working with declarations)
2662 (Function Properties, C and C++ Trees): Fix typos.
2663 * doc/sourcebuild.texi (Top Level): Likewise.
2665 2010-04-07 Jakub Jelinek <jakub@redhat.com>
2668 * tree.h (DECL_READ_P): Define.
2669 (struct tree_decl_common): Add decl_read_flag.
2670 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2671 a set but not used warning.
2672 (merge_decls): Merge DECL_READ_P flag.
2673 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2674 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2675 * c-common.c (handle_used_attribute, handle_unused_attribute):
2677 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2679 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2681 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2682 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2683 c_parser_binary_expression, c_parser_cast_expression,
2684 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2685 Call default_function_array_read_conversion instead of
2686 default_function_array_conversion where needed.
2687 (c_parser_unary_expression, c_parser_conditional_expression,
2688 c_parser_postfix_expression_after_primary, c_parser_initelt):
2689 Likewise. Call mark_exp_read where needed.
2690 (c_parser_statement_after_labels, c_parser_asm_operands,
2691 c_parser_typeof_specifier, c_parser_sizeof_expression,
2692 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2694 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2696 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2697 (warn_unused_but_set_parameter): Default to warn_unused
2699 * doc/invoke.texi: Document -Wunused-but-set-variable and
2700 -Wunused-but-set-parameter.
2702 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2703 used count variable.
2704 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2705 when operandN variables aren't used in the body of the expander
2707 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2708 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2709 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2710 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2711 FOR_EACH_IMM_USE_ON_STMT): Likewise.
2712 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2713 * tree.c (PROCESS_ARG): Likewise.
2715 2010-04-07 Simon Baldwin <simonb@google.com>
2717 * diagnostic.h (diagnostic_override_option_index): New macro to
2718 set a diagnostic's option_index.
2719 * c-tree.h (c_cpp_error): Add warning reason argument.
2720 * opts.c (_warning_as_error_callback): New.
2721 (register_warning_as_error_callback): Store callback for
2722 warnings enabled via enable_warning_as_error.
2723 (enable_warning_as_error): Call callback, minor code tidy.
2724 * opts.h (register_warning_as_error_callback): Declare.
2725 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2726 response to -Werror=.
2727 (c_common_init_options): Register warning_as_error_callback in opts.c.
2728 * common.opt: Add -Wno-cpp option.
2729 * c-common.c (struct reason_option_codes_t): Map cpp warning
2730 reason codes to gcc option indexes.
2731 * (c_option_controlling_cpp_error): New function, lookup the gcc
2732 option index for a cpp warning reason code.
2733 * (c_cpp_error): Add warning reason argument, call
2734 c_option_controlling_cpp_error for diagnostic_override_option_index.
2735 * doc/invoke.texi: Document -Wno-cpp.
2737 2010-04-07 Richard Guenther <rguenther@suse.de>
2739 * ipa-reference.c (mark_load): Use get_base_address.
2740 (mark_store): Likewise.
2742 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2743 inserting GIMPLE_NOPs into the IL.
2744 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2745 Explicitly strip handled components and indirect references.
2747 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2748 folding address expressions.
2749 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2750 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2751 operand_equal_p to compare decls.
2752 (ptr_deref_may_alias_decl_p): Likewise.
2753 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2754 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2755 Handle reversed comparison ops.
2756 * tree-sra.c (asm_visit_addr): Use get_base_address.
2757 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2758 * ipa-reference.c (mark_address): Use get_base_address.
2760 2010-04-07 Richard Guenther <rguenther@suse.de>
2762 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2763 Propagate constants everywhere.
2765 2010-04-07 Jakub Jelinek <jakub@redhat.com>
2768 * tree.c (MAX_INT_CACHED_PREC): Define.
2769 (nonstandard_integer_type_cache): New array.
2770 (build_nonstandard_integer_type): Cache results for precision
2771 <= MAX_INT_CACHED_PREC.
2773 2010-04-07 Richard Guenther <rguenther@suse.de>
2775 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2776 -fargument-noalias-global, -fargument-noalias-anything): Remove.
2777 * common.opt: Likewise.
2778 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2779 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2780 (nonoverlapping_memrefs_p): Likewise.
2781 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2782 * opts.c (common_handle_option): Handle OPT_fargument_alias,
2783 OPT_fargument_noalias, OPT_fargument_noalias_anything and
2784 OPT_fargument_noalias_global for backward compatibility.
2786 2010-04-07 Richard Guenther <rguenther@suse.de>
2788 PR tree-optimization/43270
2789 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2790 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2791 * tree-ssa-pre.c (phi_translate_1): Adjust.
2792 (fully_constant_expression): Split out vn_reference handling to ...
2793 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2794 Fold reads from constant strings.
2795 (vn_reference_lookup): Handle fully constant references.
2796 (vn_reference_lookup_pieces): Likewise.
2797 * Makefile.in (expmed.o-warn): Add -Wno-error.
2799 2010-04-07 Martin Jambor <mjambor@suse.cz>
2801 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2803 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
2806 * gcc.c: Add -static-libstdc++ to list of recognized options.
2808 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2810 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2812 2010-04-07 Richard Guenther <rguenther@suse.de>
2815 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2816 bases build simple mem attributes to retain points-to information.
2818 2010-04-07 Richard Guenther <rguenther@suse.de>
2821 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2822 preserve points-to related information.
2824 2010-04-07 Richard Guenther <rguenther@suse.de>
2827 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2828 discard plain indirect references.
2829 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2830 * tree.c (tree_nop_conversion): Likewise.
2832 2010-04-07 Dodji Seketeli <dodji@redhat.com>
2835 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2837 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
2839 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2840 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2842 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2844 * tree-if-conv.c: Fix indentation and comments.
2846 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2848 * tree-if-conv.c: Sort static functions in topological order.
2850 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2852 * tree-if-conv.c: Fix indentation and comments.
2854 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2857 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2858 lang_hooks.types.type_for_size instead of
2859 build_nonstandard_integer_type.
2860 When converting an unsigned type to signed, double its precision.
2861 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2862 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2863 (graphite_create_new_loop_guard): When ub + 1 wraps around,
2866 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2869 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2870 POINTER_PLUS_EXPR for pointer types.
2872 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2875 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2876 * graphite-clast-to-gimple.c: Include langhooks.h.
2877 (max_signed_precision_type): New.
2878 (max_precision_type): Takes two types as arguments.
2879 (precision_for_value): New.
2880 (precision_for_interval): New.
2881 (gcc_type_for_interval): New.
2882 (gcc_type_for_value): New.
2883 (gcc_type_for_clast_term): New.
2884 (gcc_type_for_clast_red): New.
2885 (gcc_type_for_clast_bin): New.
2886 (gcc_type_for_clast_expr): Split up into several functions.
2887 (gcc_type_for_clast_eq): Rewritten.
2888 (compute_bounds_for_level): New.
2889 (compute_type_for_level_1): New.
2890 (compute_type_for_level): New.
2891 (gcc_type_for_cloog_iv): Removed.
2892 (gcc_type_for_iv_of_clast_loop): Rewritten.
2893 (graphite_create_new_loop): Compute the lower and upper bound types
2894 with gcc_type_for_clast_expr.
2895 (graphite_create_new_loop_guard): Same.
2896 (find_cloog_iv_in_expr): Removed.
2897 (compute_cloog_iv_types_1): Removed.
2898 (compute_cloog_iv_types): Removed.
2899 (gloog): Do not call compute_cloog_iv_types.
2900 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
2902 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
2903 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
2904 (GBB_CLOOG_IV_TYPES): Removed.
2906 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2908 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2909 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2910 (detect_commutative_reduction): Same.
2912 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2914 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2915 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
2917 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
2918 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
2919 (rewrite_commutative_reductions_out_of_ssa): Same.
2920 * passes.c (execute_function_todo): Call verify_ssa for every pass
2921 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
2922 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
2923 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
2924 with an extra argument.
2925 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
2926 verify_ssa only when the extra argument is true.
2927 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
2928 with an extra argument.
2929 (tree_transform_and_unroll_loop): Same.
2931 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2933 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
2934 for all the passes of the LNO having LOOP_CLOSED_SSA.
2935 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
2936 * tree-loop-distribution.c (pass_loop_distribution): Same.
2937 * tree-pass.h (TODO_verify_loops): Removed.
2938 * tree-ssa-loop.c (pass_tree_loop_init): Same.
2940 (pass_tree_unswitch): Same.
2941 (pass_predcom): Same.
2942 (pass_vectorize): Same.
2943 (pass_linear_transform): Same.
2944 (pass_graphite_transforms): Same.
2945 (pass_iv_canon): Same.
2946 (pass_complete_unroll): Same.
2947 (pass_complete_unrolli): Same.
2948 (pass_parallelize_loops): Same.
2949 (pass_loop_prefetch): Same.
2950 (pass_iv_optimize): Same.
2952 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
2955 * passes.c (init_optimization_passes): Move pass_lim before
2956 pass_copy_prop and pass_dce_loop.
2958 2010-04-06 Jakub Jelinek <jakub@redhat.com>
2961 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
2962 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
2963 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
2964 MULTI_* defines for 4 argument vpermil2p* builtins.
2966 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
2968 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
2969 * config/i386/i386.c (x86_maybe_negate_const_int): New.
2970 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
2971 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
2972 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
2973 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
2974 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
2975 Use x86_maybe_negate_const_int to output insn mnemonic.
2976 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
2977 check from instruction predicate. Update comments.
2978 * config/i386/sync.md (sync_add<mode>): Use
2979 x86_maybe_negate_const_int to output insn mnemonic.
2981 2010-04-06 Jan Hubicka <jh@suse.cz>
2983 PR tree-optimization/42906
2984 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
2985 IGNORE_SELF argument. Set visited_control_parents for fully
2987 (find_obviously_necessary_stmts): Update call of
2988 mark_control_dependent_edges_necessary.
2989 (propagate_necessity): Likewise. Handle PHI edges more curefully.
2991 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
2993 * config/i386/i386.md: Remove comment about 'e' and 'E'
2996 2010-04-06 Richard Guenther <rguenther@suse.de>
2998 PR tree-optimization/43627
2999 * tree-vrp.c (extract_range_from_unary_expr): Widenings
3000 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
3003 2010-04-06 Jakub Jelinek <jakub@redhat.com>
3005 * BASE-VER: Change to 4.6.0.
3008 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
3011 2010-04-06 Richard Guenther <rguenther@suse.de>
3014 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
3016 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3018 * doc/invoke.texi (Optimize Options): Document that LTO
3019 won't remove object access purely due to incompatible
3022 2010-04-04 Matthias Klose <doko@ubuntu.com>
3024 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
3025 Initialize variable.
3027 2010-04-03 Richard Guenther <rguenther@suse.de>
3030 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
3031 require a non-NULL MEM_OFFSET.
3033 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
3035 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
3036 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
3037 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
3038 config/alpha/predicates.md, config/arm/arm.md,
3039 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
3040 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
3041 config/darwin9.h, config/darwin.c, config/darwin.h,
3042 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
3043 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
3044 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
3045 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
3046 config/mips/mips.md, config/mn10300/mn10300.c,
3047 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
3048 config/rs6000/aix.h, config/rs6000/dfp.md,
3049 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
3050 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
3051 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
3052 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
3053 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
3054 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
3055 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
3056 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
3057 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
3058 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
3059 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3060 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3061 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3062 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3063 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3064 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3065 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3066 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3067 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3068 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3069 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3070 opt-functions.awk, opth-gen.awk, params.def, passes.c,
3071 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3072 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3073 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3074 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3075 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3076 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3077 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3078 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3079 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3080 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3081 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3082 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3083 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3084 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3086 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3089 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3090 * aclocal.m4: Regenerate.
3092 2010-04-02 Richard Guenther <rguenther@suse.de>
3094 PR tree-optimization/43629
3095 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3096 if we have seen a constant value.
3098 2010-04-02 Joseph Myers <joseph@codesourcery.com>
3100 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3102 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
3105 * arm.c (legitimize_tls_address): Adjust call to
3106 gen_tls_load_dot_plus_four.
3107 (arm_note_pic_base): New function.
3108 (arm_cannot_copy_insn_p): Use it.
3109 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3112 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3117 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3119 * Makefile.in ($(out_object_file)): Depend on
3120 gt-$(basename $(notdir $(out_file))).h.
3122 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
3124 * config.gcc (lm32-*-rtems*): Add t-lm32.
3126 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
3128 * config.gcc: Add lm32-*-rtems*.
3129 * config/lm32/rtems.h: New file.
3131 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
3134 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3136 2010-04-01 Jakub Jelinek <jakub@redhat.com>
3138 * dwarf2out.c (output_compilation_unit_header): For
3139 -gdwarf-4 use version 4 instead of version 3.
3140 (output_line_info): For version 4 and above emit additional
3141 maximum ops per insn header field.
3142 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3144 * dwarf2out.c (is_c_family, is_java): Remove.
3145 (lower_bound_default): New function.
3146 (add_bound_info, gen_descr_array_type_die): Use it.
3148 2010-04-01 Dodji Seketeli <dodji@redhat.com>
3151 * dwarf2out.c (gen_variable_die): Allow debug info for variable
3152 re-declaration when it happens in a function.
3154 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
3156 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
3157 (cgraph_remove_function_insertion_hook): Same.
3158 (cgraph_call_function_insertion_hooks): Same.
3160 2010-04-01 Richard Guenther <rguenther@suse.de>
3163 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
3164 and TREE_THIS_VOLATILE.
3165 (copy_ref_info): Likewise.
3166 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
3167 * tree.c (build6_stat): Ignore side-effects of all but arg5
3168 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
3171 2010-04-01 Richard Guenther <rguenther@suse.de>
3173 PR tree-optimization/43607
3174 * ipa-type-escape.c (check_call): Do not access non-existing
3177 2010-04-01 Richard Guenther <rguenther@suse.de>
3181 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
3182 Jack Howarth <howarth@bromo.med.uc.edu>
3184 * tree-profile.c (tree_init_ic_make_global_vars): Make static
3187 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3189 * doc/install.texi (Prerequisites): Document libelf usability on
3190 IRIX 5/6 and Solaris 2.
3191 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
3192 Update GNU as, GNU ld requirements.
3193 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
3194 Document Sun Studio compiler download.
3195 Update and simplify as, ld recommendations.
3196 (Specific, *-*-solaris2.7): Note obsoletion, removal.
3198 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3200 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
3201 with_tune_32 to pentium4.
3203 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
3205 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
3207 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3209 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
3210 obsoletion, removal.
3212 Document GNU as requirement.
3213 Update configure requirements.
3214 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
3215 Recomment IRIX 6.5.18+.
3216 Document IDF/IDL requirement.
3217 Document GNU as requirement.
3218 Document GNU ld bootstrap failure.
3219 Remove freeware.sgi.com reference.
3221 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3223 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
3224 UNIX V4.0, V5.0 obsoletion, removal.
3225 Remove --with-gc=simple reference.
3226 Update VM requirements during bootstrap.
3227 Remove -oldas bootstrap description.
3228 Update binutils reference.
3229 Remove comparison failure note.
3231 2010-03-31 Richard Guenther <rguenther@suse.de>
3232 Zdenek Dvorak <ook@ucw.cz>
3233 Sebastian Pop <sebastian.pop@amd.com>
3236 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
3237 with multiple arguments.
3238 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
3240 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3242 * graphite-dependences.c (print_pddr): Call print_pdr with an
3244 * graphite-poly.c (debug_pdr): Add an extra argument for the
3247 (print_pbb_domain): Same.
3249 (print_scop_context): Same.
3251 (print_cloog): Same.
3252 (debug_pbb_domain): Same.
3256 (debug_scop_context): Same.
3258 (debug_cloog): Same.
3259 (print_scop_params): Same.
3260 (debug_scop_params): Same.
3261 (print_iteration_domain): Same.
3262 (print_iteration_domains): Same.
3263 (debug_iteration_domain): Same.
3264 (debug_iteration_domains): Same.
3265 (print_scattering_function): Same.
3266 (print_scattering_functions): Same.
3267 (debug_scattering_function): Same.
3268 (debug_scattering_functions): Same.
3269 * graphite-poly.h (debug_pdr): Update declaration.
3271 (print_pbb_domain): Same.
3273 (print_scop_context): Same.
3275 (print_cloog): Same.
3276 (debug_pbb_domain): Same.
3280 (debug_scop_context): Same.
3282 (debug_cloog): Same.
3283 (print_scop_params): Same.
3284 (debug_scop_params): Same.
3285 (print_iteration_domain): Same.
3286 (print_iteration_domains): Same.
3287 (debug_iteration_domain): Same.
3288 (debug_iteration_domains): Same.
3289 (print_scattering_function): Same.
3290 (print_scattering_functions): Same.
3291 (debug_scattering_function): Same.
3292 (debug_scattering_functions): Same.
3294 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3296 * graphite-poly.c (print_scattering_function_1): New.
3297 (print_scattering_function): Call it.
3298 (print_scop_params): Remove spaces at the end of lines.
3301 * graphite-poly.h (print_cloog): Declared.
3302 (debug_cloog): Declared.
3304 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3306 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
3308 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
3309 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
3310 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
3311 to switch between adding the IV bump in loop->latch or in loop->header.
3313 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3315 * graphite-poly.c (print_scattering_function): Pretty print following
3318 (print_pbb_domain): Same.
3319 (dump_gbb_cases): Same.
3320 (dump_gbb_conditions): Same.
3323 (print_scop_params): Same.
3324 (print_scop_context): Same.
3326 (print_pbb_body): New.
3327 (lst_indent_to): New.
3328 (print_lst): Start new lines with a #.
3329 * graphite-poly.h (pbb_bb): New.
3330 (pbb_index): Use pbb_bb.
3331 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
3333 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
3335 2010-03-31 Jakub Jelinek <jakub@redhat.com>
3337 * dwarf2out.c (size_of_die): For -gdwarf-4 use
3338 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
3339 and 0 instead of 1 for dw_val_class_flag.
3340 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
3341 dw_val_class_range_list, dw_val_class_loc_list,
3342 dw_val_class_lineptr and dw_val_class_macptr, use
3343 DW_FORM_flag_present for dw_val_class_flag and
3344 DW_FORM_exprloc for dw_val_class_loc.
3345 (output_die): For -gdwarf-4 print dw_val_class_loc
3346 size as uleb128 instead of 1 or 2 bytes and don't print
3347 anything for dw_val_class_flag.
3349 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
3350 instead of cselib_lookup following by tweaking locs->setting_insn.
3353 * cselib.c (cselib_process_insn): Clear cselib_current_insn
3354 even before returning from label, setjmp call or volatile asm
3357 2010-03-31 Richard Guenther <rguenther@suse.de>
3360 * cgraphunit.c (cgraph_output_in_order): Do not allocate
3361 temporary data on stack.
3363 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3365 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
3366 (PUSHSECTION_ASM_OP): Remove.
3367 (POPSECTION_ASM_OP): Remove.
3368 (PUSHSECTION_FORMAT): Remove.
3369 * config/sol2.h (PUSHSECTION_FORMAT): Define.
3370 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
3371 * config/sol2.c (solaris_output_init_fini): Use it.
3373 2010-03-31 Jie Zhang <jie@codesourcery.com>
3376 * opt-functions.awk (var_type_struct): Use signed char type
3377 for simple variables.
3379 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3381 * config/sol2.c: Include output.h.
3382 (solaris_assemble_visibility): New function.
3383 * config/t-sol2 (sol2.o): Add output.h dependency.
3384 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
3385 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
3388 2010-03-31 Jakub Jelinek <jakub@redhat.com>
3391 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
3392 V2SImode or XFmode on PRE_DEC.
3395 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
3398 2010-03-31 Jie Zhang <jie@codesourcery.com>
3401 * reload.h (caller_save_initialized_p): Declare.
3402 * toplev.c (backend_init_target): Don't call
3403 init_caller_save but set caller_save_initialized_p to false.
3404 * caller-save.c (caller_save_initialized_p): Define.
3405 (init_caller_save): Check caller_save_initialized_p.
3406 * ira.c (ira): Call init_caller_save if flag_caller_saves.
3408 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3411 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
3412 and soft-fp/t-softfp to tmake_file.
3413 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
3414 (LIBGCC2_TF_CEXT): Define.
3417 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
3420 * cselib.c (n_useless_values): Document handling of debug locs.
3421 (n_useless_debug_values, n_debug_values): New variables.
3422 (new_elt_loc_list): Don't add to debug values, keep count.
3423 (promote_debug_loc): New.
3424 (cselib_reset_table): Zero new variables.
3425 (entry_and_rtx_equal_p): Promote debug locs.
3426 (discard_useless_locs): Increment n_useless_debug_values for
3428 (remove_useless_values): Adjust n_useless_values and n_debug_values
3429 with n_useless_debug_values.
3430 (add_mem_for_addr): Promote debug locs.
3431 (cselib_lookup_mem): Likewise.
3432 (cselib_lookup_addr): Renamed to...
3433 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
3434 (cselib_log_lookup): ... this. Turn into...
3435 (cselib_lookup_addr): ... new wrapper.
3436 (cselib_lookup_from_insn): New.
3437 (cselib_invalidate_regno): Increment n_useless_debug_values for
3439 (cselib_invalidate_mem): Likewise.
3440 (cselib_process_insn): Take n_deleted and n_debug_values into
3441 account to guard remove_useless_value call.
3442 (cselib_finish): Zero n_useless_debug_values.
3443 * cselib.h (cselib_lookup_from_insn): Declare.
3444 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
3445 (sched_analyze_2): Likewise.
3447 2010-03-30 Jakub Jelinek <jakub@redhat.com>
3449 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
3451 (adjust_mems): Replace narrowing SUBREG of expression containing
3452 just PLUS, MINUS, MULT and ASHIFT of registers and constants
3453 with operations in the narrower mode.
3456 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
3457 regs_invalidated_by_call instead all call_used_reg_set registers.
3459 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
3462 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
3463 pointer comparisons with types_compatible_p.
3464 * tree-vect-stmts.c (vectorizable_call): Same.
3465 (vectorizable_condition): Same.
3467 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3469 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
3470 stack check if the mask would be zero.
3472 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
3473 Jack Howarth <howarth@bromo.med.uc.edu>
3475 * tree-profile.c (tree_init_ic_make_global_vars): Make static
3478 2010-03-30 Joseph Myers <joseph@codesourcery.com>
3481 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
3483 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
3484 Include ___unordxf2 and ___unordtf2.
3485 * config/i386/libgcc-glibc.ver: Do not define inheritance from
3488 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
3490 * config/lm32/t-lm32: New file.
3491 * config.gcc: Use the above file when targetting lm32.
3493 2010-03-28 Duncan Sands <baldrick@free.fr>
3495 * Makefile.in (PLUGIN_HEADERS): Add except.h.
3497 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
3500 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
3501 Improve vectorization cost model diagnostic.
3503 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
3506 * tree-vect-data-refs.c (vect_analyze_data_refs): When
3507 compute_data_dependences_for_loop returns false, early exit
3508 and output an extra diagnostic for the failed data reference
3511 2010-03-29 Richard Guenther <rguenther@suse.de>
3513 PR tree-optimization/43560
3514 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
3515 (can_sm_ref_p): Treat stores to readonly locations as trapping.
3517 2010-03-29 Jie Zhang <jie@codesourcery.com>
3520 * toplev.c (process_options): Set optimization_default_node
3521 and optimization_current_node.
3522 * opts.c (decode_options): Don't set optimization_default_node
3523 and optimization_current_node.
3525 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
3527 * config/rtems.h: Abandon -qrtems_debug.
3529 2010-03-28 Jan Hubicka <jh@suse.cz>
3531 PR tree-optimization/43505
3532 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
3533 map should not be copied.
3535 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3538 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
3539 cdtors, set DECL_PRESERVE_P.
3540 * ipa.c (cgraph_externally_visible_p): Return true if declaration
3543 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
3545 PR tree-optimization/43528
3546 * stor-layout.c (place_field): Check that constant fits into
3547 unsigned HWI when skipping calculation of MS bitfield layout.
3549 2010-03-27 Jan Hubicka <jh@suse.cz>
3552 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
3553 notice_global_symbol work.
3555 2010-03-27 Jakub Jelinek <jakub@redhat.com>
3557 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
3558 instead of dwarf2out_decl.
3559 (struct var_loc_node): Remove section_label field.
3560 (dwarf2out_function_decl): New function.
3561 (dwarf2out_var_location): Don't set section_label field.
3562 (dwarf2out_begin_function): Don't empty decl_loc_table here.
3564 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
3566 PR tree-optimization/43544
3567 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3568 First argument for builtin vectorized function hook is now a
3569 tree to be able to distinguish between machine specific and
3571 * targhooks.c (default_builtin_vectorized_function): Ditto.
3572 * targhooks.h (default_builtin_vectorized_function): Ditto.
3573 * target.h (struct gcc_target): Ditto.
3574 * tree-vect-stmts.c (vectorizable_function): Ditto.
3575 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
3576 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
3579 2010-03-26 Joseph Myers <joseph@codesourcery.com>
3582 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
3583 nested binding iff it is a FUNCTION_DECL.
3584 (store_parm_decls_newstyle): Pass nested=true to bind for
3585 FUNCTION_DECLs amongst parameters.
3587 2010-03-26 Jakub Jelinek <jakub@redhat.com>
3589 * var-tracking.c (vt_expand_loc_callback): Don't run
3590 cselib_expand_value_rtx_cb in dummy mode if
3591 cselib_dummy_expand_value_rtx_cb returned false.
3593 * var-tracking.c (emit_note_insn_var_location): For one part
3594 notes with offset 0, don't add EXPR_LIST around the location.
3595 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
3596 add_location_or_const_value_attribute): Adjust for that change.
3599 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
3600 into first operand and location into second.
3601 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
3602 dw_cfi_oprnd_loc for DW_CFA_expression.
3603 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
3604 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
3605 assume first argument is regnum and second argument is location.
3607 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
3610 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
3611 of scratch register to DImode. Split to DImode comparison operator.
3612 Use SImode subreg of scratch register in the multiplication.
3613 (*cmp_sadd_sidi): Ditto.
3614 (*cmp_ssub_si): Ditto.
3615 (*cmp_ssub_sidi): Ditto.
3617 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
3620 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
3621 Remove invalid assert and wrong comment.
3623 2010-03-26 Jakub Jelinek <jakub@redhat.com>
3626 * flags.h (final_insns_dump_p): New extern.
3627 * final.c (final_insns_dump_p): New variable.
3628 (rest_of_clean_state): Set it before -fdump-final-insns=
3629 dumping, clear afterwards.
3630 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
3631 MEM_ALIAS_SET on MEMs.
3633 2010-03-26 David S. Miller <davem@davemloft.net>
3635 * configure.ac: Fix sparc GOTDATA_OP bug check.
3636 * configure: Rebuild.
3638 2010-03-26 Alan Modra <amodra@gmail.com>
3640 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
3642 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3644 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
3645 TLS_SECTION_ASM_FLAG.
3647 2010-03-25 Jakub Jelinek <jakub@redhat.com>
3650 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
3651 Clear first_function_block_is_cold.
3654 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
3655 argument if the argument is truth_value_p.
3657 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
3659 * config/rs6000/constraints.md: Update copyright year for my changes.
3662 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
3663 used in reg+reg addressing, swap registers.
3665 2010-03-24 Jakub Jelinek <jakub@redhat.com>
3668 * target.h (struct gcc_target): Add code_end hook.
3669 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
3671 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
3672 * toplev.c (compile_file): Call targetm.asm_out.code_end
3673 hook before unwind info/debug info output.
3674 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
3675 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
3676 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3677 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
3678 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3679 * config/i386/i386.c (ix86_file_end): Renamed to...
3680 (ix86_code_end): ... this. Make static. Don't call
3681 file_end_indicate_exec_stack. Emit unwind info using
3682 final_start_function/final_end_function.
3683 (darwin_x86_file_end): Remove.
3684 (TARGET_ASM_CODE_END): Define.
3685 * config/i386/i386.h (TARGET_ASM_FILE_END,
3686 NEED_INDICATE_EXEC_STACK): Don't define.
3687 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
3688 (TARGET_ASM_FILE_END): Define to darwin_file_end.
3689 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
3690 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
3693 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
3694 at the beginning and final_end_function at the end.
3695 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
3697 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3699 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
3700 and Sun as TLS syntax.
3701 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
3702 * configure: Regenerate.
3703 * config.in: Regenerate.
3704 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
3705 (default_elf_asm_named_section): Use it.
3706 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
3707 (i386_output_dwarf_dtprel): Likewise.
3708 (output_addr_const_extra): Likewise.
3709 (output_pic_addr_const): Lowercase @GOTTPOFF.
3710 (output_addr_const_extra): Likewise.
3711 (output_pic_addr_const): Lowercase @GOTNTPOFF.
3712 (output_addr_const_extra): Likewise.
3713 (output_pic_addr_const): Lowercase @INDNTPOFF.
3714 (output_addr_const_extra): Likewise.
3715 (output_pic_addr_const): Lowercase @NTPOFF.
3716 (output_addr_const_extra): Likewise.
3717 (output_pic_addr_const): Lowercase @TPOFF.
3718 (output_addr_const_extra): Likewise.
3719 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
3720 (*tls_global_dynamic_64): Likewise.
3721 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
3722 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
3724 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
3725 (ASM_OUTPUT_TLS_COMMON): Use it.
3726 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
3729 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
3730 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
3731 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
3732 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
3733 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3734 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
3736 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3738 * config/i386/i386.c (override_options): Don't accept
3739 -mtls-dialect=sun any longer.
3740 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
3741 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
3742 (*tls_local_dynamic_base_32_sun): Likewise.
3743 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3745 2010-03-24 Jakub Jelinek <jakub@redhat.com>
3748 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
3749 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
3752 * ira.c (adjust_cleared_regs): New function.
3753 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
3757 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
3759 * expr.c (expand_expr_real): Restore previous
3760 curr_insn_source_location and curr_insn_block after
3761 expand_expr_real_1 call.
3762 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
3763 instead of expand_expr_real_1.
3765 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
3767 PR rtl-optimization/43413
3768 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
3771 2010-03-22 James E. Wilson <wilson@codesourcery.com>
3774 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
3775 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
3777 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
3779 * config/i386/i386.c (ix86_target_string): Add -mfma.
3780 Fix a typo in comment.
3782 2010-03-22 Mike Stump <mikestump@comcast.net>
3785 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3786 Don't overly align based upon packed packed fields.
3788 2010-03-22 Jason Merrill <jason@redhat.com>
3790 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
3791 Use () rather than [], and move before the element type.
3793 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3795 * doc/configfiles.texi (Configuration Files): Removed
3796 fixinc/Makefile*, intl/Makefile.*.
3797 * doc/makefile.texi: Fixed markup. Abstract from version
3798 control system used.
3799 (Makefile): Removed obsolete gcc/java/parse.y example.
3800 * doc/sourcebuild.texi: Likewise.
3801 (Top Level): Added config, gnattools, libdecnumber, libgcc,
3802 libgomp, libssp. Removed fastjar.
3803 (Miscellaneous Docs): Clarify location.
3804 Added COPYING3, COPYING3.LIB.
3805 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
3807 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3810 * config/i386/i386.c (x86_function_profiler)
3811 [!NO_PROFILE_COUNTERS]: Fix typo.
3812 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
3815 2010-03-22 Janis Johnson <janis187@us.ibm.com>
3816 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3818 * doc/sourcebuild.texi (Test Directives): Split into six
3819 subsections, with most of the current text in new subsections
3820 Directives, Selectors, and Final Actions.
3821 (Directives): Split list of test directives into multiple
3823 (Selectors): Describe use and syntax of selectors.
3824 (Effective-Target Keywords): Describe all existing keywords.
3825 (Add Options): Describe features for dg-add-options.
3826 (Require Support): Describe variants of dg-require-support.
3827 (Final Actions): Describe commands to use in dg-final.
3829 2010-03-22 Michael Matz <matz@suse.de>
3832 * recog.c (validate_replace_rtx_group): Replace also in
3833 REG_EQUAL and REG_EQUIV notes.
3835 2010-03-22 Richard Guenther <rguenther@suse.de>
3837 PR tree-optimization/43390
3838 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
3839 sure vector extracts are type correct.
3841 2010-03-22 Richard Guenther <rguenther@suse.de>
3844 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
3845 x * sqrt (x) even when optimizing for size if the target
3846 has native support for sqrt.
3848 2010-03-22 Jakub Jelinek <jakub@redhat.com>
3850 * varasm.c (make_decl_rtl_for_debug): Also clear
3851 flag_mudflap for the duration of make_decl_rtl call.
3854 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
3855 locs from preserved VALUEs.
3857 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3860 * pa.md (movmemsi): Set align to one if zero.
3861 (movmemdi): Likewise.
3863 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
3866 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
3867 with their corresponding prologue pushes.
3869 2010-03-20 Andrew Pinski <pinskia@gmail.com>
3872 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
3873 at the begining or end.
3874 (spu_expand_epilogue): Likewise.
3876 2010-03-20 Richard Guenther <rguenther@suse.de>
3878 PR rtl-optimization/43438
3879 * combine.c (make_extraction): Properly zero-/sign-extend an
3880 extraction of the low part of a CONST_INT. Also handle
3883 2010-03-19 Mike Stump <mikestump@comcast.net>
3885 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
3886 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
3887 (override_options): Use SUBTARGET32_DEFAULT_CPU.
3889 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
3892 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
3895 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
3897 PR rtl-optimization/42258
3898 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
3899 use that may match DEF.
3902 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
3903 the cost of loading the constant rather than assuming
3905 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
3906 outer code is AND, do the same tests as the andsi3 expander and
3907 return COSTS_N_INSNS (1) if and is cheap.
3909 * optabs.c (avoid_expensive_constant): Fix formatting.
3911 2010-03-19 Michael Matz <matz@suse.de>
3914 * attribs.c (decl_attributes): When rebuilding a function pointer
3915 type use the same qualifiers as the original pointer type.
3917 2010-03-19 Martin Jambor <mjambor@suse.cz>
3919 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
3920 and is_gimple_ip_invariant_address.
3922 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3925 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3927 * config/arm/arm.c (arm_override_options): Turn off
3928 flag_dwarf2_cfi_asm for AAPCS variants.
3930 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3933 * config/arm/arm.c (emit_multi_reg_push): Update comments.
3934 Use PRE_MODIFY instead of PRE_DEC.
3935 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
3936 (vfp_emit_fstmd): Likewise.
3938 2010-03-19 Michael Matz <matz@suse.de>
3941 * builtins.c (expand_builtin_interclass_mathfn,
3942 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
3945 2010-03-19 Richard Guenther <rguenther@suse.de>
3947 PR tree-optimization/43415
3948 * tree-ssa-pre.c (phi_translate): Split out worker to ...
3949 (phi_translate_1): ... this.
3950 (phi_translate): Move all caching here. Cache all NARY
3951 and REFERENCE translations.
3953 2010-03-19 David S. Miller <davem@davemloft.net>
3955 With help from Eric Botcazou.
3956 * config/sparc/sparc.c: Include dwarf2out.h.
3957 (emit_pic_helper): Delete.
3958 (pic_helper_symbol_name): Delete.
3959 (pic_helper_emitted_p): Delete.
3960 (pic_helper_needed): New.
3961 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
3962 (get_pc_thunk_name): New.
3963 (load_pic_register): Remove 'delay_pic_helper' arg. Use
3964 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
3965 Set pic_helper_needed to true. Don't call emit_pic_helper.
3966 (sparc_expand_prologue): Update load_pic_register call.
3967 (sparc_output_mi_thunk): Likewise.
3968 (sparc_file_end): Emit a hidden comdat symbol for the PIC
3969 thunk if possible. Output CFI information as needed.
3971 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
3972 Jack Howarth <howarth@bromo.med.uc.edu>
3975 * config/i386/i386.h: Fix ABI on darwin x86-32.
3977 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
3979 * tree.h: Declare make_decl_rtl_for_debug.
3980 * varasm.c (make_decl_rtl_for_debug): New.
3981 * dwarf2out.c (rtl_for_decl_location): Call it.
3982 * cfgexpand.c (expand_debug_expr): Call it.
3984 2010-03-18 Jakub Jelinek <jakub@redhat.com>
3987 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
3991 * var-tracking.c (vt_init_cfa_base): Do nothing if
3992 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
3994 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
3997 * var-tracking.c (canonicalize_vars_star): New.
3998 (dataflow_post_merge_adjust): Use it.
4000 2010-03-18 Jakub Jelinek <jakub@redhat.com>
4003 * var-tracking.c (non_suitable_const): New function.
4004 (add_uses): For DEBUG_INSNs with constants, don't record any
4005 value, instead just the constant value itself.
4006 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
4007 is not VAR_LOC_UNKNOWN_P, set var to the constant.
4008 (emit_notes_in_bb): Likewise.
4009 (emit_note_insn_var_location): For onepart variables if
4010 cur_loc is a VOIDmode constant, use DECL_MODE.
4012 2010-03-18 Martin Jambor <mjambor@suse.cz>
4015 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
4016 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
4017 all non-clones. Moved call redirection...
4018 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
4019 (cgraph_materialize_all_clones): Dispose of all
4020 combined_args_to_skip bitmaps.
4021 (verify_cgraph_node): Do not check for edges pointing to wrong
4022 nodes in inline clones.
4023 * tree-inline.c (copy_bb): Call
4024 cgraph_redirect_edge_call_stmt_to_callee.
4025 * ipa.c (cgraph_remove_unreachable_nodes): Call
4026 cgraph_node_remove_callees even when there are used clones.
4028 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
4030 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
4032 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
4035 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
4038 2010-03-18 Michael Matz <matz@suse.de>
4041 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
4042 into sqrt(x) if we need to preserve signed zeros.
4044 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
4045 Eric Botcazou <ebotcazou@adacore.com>
4047 PR rtl-optimization/43360
4048 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
4049 note if we don't know its invariant status.
4051 2010-03-18 Michael Matz <matz@suse.de>
4053 PR tree-optimization/43402
4054 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
4055 PHI chains of ssa names registered for update.
4057 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
4060 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
4061 non-offsettable and pre_modify update addressing.
4062 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
4063 and "2" alternatives "#".
4064 (*movdd_softfloat32): Make all alternatives "#";
4065 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
4066 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
4067 (*movdf_softfloat32): Make all alternatives "#";
4068 (movdi): Use the new DIFD mode iterator to create a common splitter
4069 for movdi, movdf and movdd patterns.
4071 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
4073 * common.opt (dumpdir): Remove redundant tab.
4075 2010-03-17 Martin Jambor <mjambor@suse.cz>
4077 PR tree-optimization/43347
4078 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
4079 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
4081 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
4083 PR rtl-optimization/42216
4084 * regrename.c (create_new_chain): New function, broken out from...
4085 (scan_rtx_reg): ... here. Call it. Handle the case where we are
4086 appending a use to an empty chain.
4087 (build_def_use): Remove previous changes that convert OP_INOUT to
4088 OP_OUT operands; instead detect the case where an OP_INOUT operand
4089 uses a previously untracked register and create an empty chain for it.
4091 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4093 * doc/extend.texi (Function Attributes): Rewrite unfinished
4094 sentence in ms_abi documentation.
4096 2010-03-17 Alan Modra <amodra@gmail.com>
4098 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
4099 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
4100 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
4101 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
4103 2010-03-16 Richard Henderson <rth@redhat.com>
4106 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
4107 (lower_try_finally): Save and restore eh_seq around the expansion
4110 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
4112 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
4113 statements before splitting block.
4115 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4117 * doc/sourcebuild.texi (Testsuites): Fix markup.
4118 Use pathnames relative to gcc/testsuite.
4119 (Test Directives): Move description of how timeout is determined.
4120 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
4121 (C Tests): Correct gcc.misc-tests directory.
4122 Framework tests now live in gcc.test-framework.
4124 2010-03-16 Richard Guenther <rguenther@suse.de>
4127 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
4128 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
4130 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
4131 Alexandre Oliva <aoliva@redhat.com>
4133 PR tree-optimization/42917
4134 * lambda-code.c (remove_iv): Skip debug statements.
4135 (lambda_loopnest_to_gcc_loopnest): Likewise.
4136 (not_interesting_stmt): Debug statements are not interesting.
4138 2010-03-16 Jakub Jelinek <jakub@redhat.com>
4142 * cselib.c (cselib_preserve_constants,
4143 cfa_base_preserved_val): New static variables.
4144 (preserve_only_constants): New function.
4145 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
4146 clear its REG_VALUES. If cselib_preserve_constants, don't
4147 empty the whole hash table, but preserve there VALUEs with constants,
4148 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
4149 (cselib_preserve_cfa_base_value): New function.
4150 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
4151 (cselib_init): Change argument to int bitfield. Set
4152 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
4154 (cselib_finish): Clear cselib_preserve_constants and
4155 cfa_base_preserved_val.
4156 * cselib.h (enum cselib_record_what): New enum.
4157 (cselib_init): Change argument to int.
4158 (cselib_preserve_cfa_base_value): New prototype.
4159 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
4160 * dse.c (dse_step1): Likewise.
4161 * cfgcleanup.c (thread_jump): Likewise.
4162 * sched-deps.c (sched_analyze): Likewise.
4163 * gcse.c (local_cprop_pass): Likewise.
4164 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
4165 If FN is non-NULL, call the callback always and whenever it returns
4166 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
4167 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
4168 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
4169 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
4170 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
4171 * var-tracking.c: Include recog.h.
4172 (bb_stack_adjust_offset): Remove.
4173 (vt_stack_adjustments): Don't call it, instead just gather the
4174 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
4175 (adjust_stack_reference): Remove.
4176 (compute_cfa_pointer): New function.
4177 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
4178 (struct adjust_mem_data): New type.
4179 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
4181 (get_address_mode): New function.
4182 (replace_expr_with_values): Use it.
4183 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
4184 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
4185 (adjust_sets): Remove.
4186 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
4187 Use get_address_mode.
4188 (get_adjusted_src): Remove.
4189 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
4190 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
4191 (add_with_sets): Don't call adjust_sets.
4192 (fp_setter, vt_init_cfa_base): New functions.
4193 (vt_initialize): Change return type to bool. Move most of pool etc.
4194 initialization to the beginning of the function from end. Pass
4195 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
4196 If !frame_pointer_needed, call vt_stack_adjustment before mos
4197 vector is filled, call vt_init_cfa_base if argp/framep has been
4198 eliminated to sp. If frame_pointer_needed and argp/framep has
4199 been eliminated to hard frame pointer, set
4200 hard_frame_pointer_adjustment and call vt_init_cfa_base after
4201 encountering fp setter in the prologue. For MO_ADJUST, call
4202 log_op_type before pusing the op into mos vector, not afterwards.
4203 Call adjust_insn before cselib_process_insn/add_with_sets,
4204 call cancel_changes (0) afterwards.
4205 (variable_tracking_main_1): Adjust for vt_initialize calling
4206 vt_stack_adjustments and returning whether it succeeded or not.
4208 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
4210 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
4213 2010-03-15 Jakub Jelinek <jakub@redhat.com>
4215 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
4217 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
4218 drap_reg has not been set.
4220 2010-03-15 Michael Matz <matz@suse.de>
4223 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
4224 use it to expand block copies.
4225 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
4226 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
4227 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
4229 2010-03-15 Richard Guenther <rguenther@suse.de>
4231 PR tree-optimization/43367
4232 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
4235 2010-03-15 Richard Guenther <rguenther@suse.de>
4237 PR tree-optimization/43317
4238 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
4240 2010-03-15 Martin Jambor <mjambor@suse.cz>
4242 PR tree-optimization/43141
4243 * tree-sra.c (create_abstract_origin): New function.
4244 (modify_function): Call create_abstract_origin.
4246 2010-03-15 Chris Demetriou <cgd@google.com>
4248 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
4251 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4254 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
4255 call insert_out_of_ssa_copy for default definitions.
4257 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4259 * graphite-clast-to-gimple.c (my_long_long): Defined.
4260 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
4261 * graphite-sese-to-poly.c (my_long_long): Defined.
4262 (scop_ivs_can_be_represented): Use it.
4264 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4266 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
4267 graphite-max-bbs-per-function, and loop-block-tile-size.
4268 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
4270 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
4272 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4274 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
4275 forward declaration.
4276 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
4277 (add_upper_bounds_from_estimated_nit): New.
4278 (build_loop_iteration_domains): Use it.
4280 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4282 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
4284 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4287 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
4288 should be an INTEGER_CST. Also handle CASE_CONVERT.
4290 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4292 * graphite.c (graphite_initialize): To bound the number of bbs per
4293 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
4294 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
4295 * doc/invoke.texi: Document it.
4297 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4299 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
4300 * graphite-sese-to-poly.h (build_poly_scop): Same.
4302 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4304 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
4305 the number of parameters in the scop. Use as an upper bound
4306 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
4307 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
4308 * doc/invoke.texi: Document it.
4310 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
4312 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
4313 * doc/c-tree.texi: Remove.
4314 * doc/generic.texi: Merge c-tree.texi here.
4315 * doc/gccint.texi (Trees): Remove menu entry.
4316 (c-tree.texi): Remove @include.
4317 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
4318 * doc/languages.texi (Reading RTL): Ditto.
4320 2010-03-12 Steve Ellcey <sje@cup.hp.com>
4323 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
4325 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
4328 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
4329 code added to work around reload clobbering CONST insns.
4331 2010-03-12 Jakub Jelinek <jakub@redhat.com>
4333 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
4334 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
4335 (cselib_preserve_only_values): Remove retain argument, don't
4336 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
4337 * cselib.h (cselib_preserve_only_values): Remove retain argument.
4338 * var-tracking.c (micro_operation): Move insn field before union.
4339 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
4340 (struct variable_tracking_info_def): Remove n_mos field, change
4341 mos into a vector of micro_operations.
4342 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
4343 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
4344 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
4345 changing into a vector.
4346 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
4347 come before all other uops generated by add_stores.
4348 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
4350 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
4351 a vector. Run just one pass over the bbs instead of separate counting
4352 and computation phase.
4353 (vt_finalize): Free VTI (bb)->mos vector instead of array.
4356 * tree-inline.c (remap_decls): Put old_var rather than origin_var
4357 into *nonlocalized_list vector.
4358 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
4359 even if origin is non-NULL.
4360 (gen_variable_die): Likewise.
4361 (process_scope_var): Don't change origin.
4362 (gen_decl_die): Likewise.
4363 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
4364 before adding new edges instead of after it, fix moving over
4367 2010-03-11 David S. Miller <davem@davemloft.net>
4369 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
4371 * configure: Rebuild.
4373 2010-03-11 Martin Jambor <mjambor@suse.cz>
4375 PR tree-optimization/43257
4376 * tree.c (assign_assembler_name_if_neeeded): New function.
4377 (free_lang_data_in_cgraph): Assembler name assignment moved to the
4379 * tree.h (assign_assembler_name_if_neeeded): Declare.
4380 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
4381 the function if needed.
4383 2010-03-11 Chris Demetriou <cgd@google.com>
4385 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
4386 include/stdint-gcc.h, and include/stdint.h world-readable.
4388 2010-03-11 Richard Guenther <rguenther@suse.de>
4390 PR tree-optimization/43255
4391 * tree-vrp.c (process_assert_insertions_for): Do not insert
4392 asserts for trivial conditions.
4394 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4396 PR tree-optimization/43280
4397 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
4398 generation. Move calculation of size out of the if branch.
4399 (find_bswap): Modify compare number generation.
4401 2010-03-11 Richard Guenther <rguenther@suse.de>
4404 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
4405 (input_gimple_stmt): Fixup handled component types during
4406 operand read. Also fix up decls in ADDR_EXPRs.
4408 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
4410 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
4411 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
4413 2010-03-10 Jan Hubicka <jh@suse.cz>
4416 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
4417 * varasm.c (get_variable_section): Don't do that here...
4418 (make_decl_rtl): ... and here.
4419 (do_assemble_alias): Produce decl RTL.
4420 (assemble_alias): Likewise.
4422 2010-03-10 Jakub Jelinek <jakub@redhat.com>
4425 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
4426 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
4428 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
4429 (based_loc_descr): Only express drap or vdrap regno based expressions
4430 using DW_OP_fbreg when not optimizing.
4431 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
4432 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
4433 REG_CFA_SET_VDRAP note.
4435 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
4437 PR tree-optimization/43236
4438 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
4439 error in calculation of base address in reverse iteration case.
4440 (generate_builtin): Take number of latch executions if the statement
4443 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
4446 * tree-eh.c: Include pointer-set.h.
4447 (lower_eh_dispatch): Filter out duplicate case labels and
4448 remove the unneeded edge when the label is unused. Return
4449 true when some edges are removed.
4450 (execute_lower_eh_dispatch): When any lowering resulted in
4451 removing an edge, also delete unreachable blocks.
4453 2010-03-10 Jakub Jelinek <jakub@redhat.com>
4456 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
4457 UNSPEC_MACHOPIC_OFFSET.
4459 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
4462 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
4463 (m68k_delegitimize_address): New function.
4465 2010-03-09 Jakub Jelinek <jakub@redhat.com>
4468 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
4471 * var-tracking.c (adjust_sets): New function.
4472 (count_with_sets, add_with_sets): Use it.
4473 (get_adjusted_src): New inline function.
4474 (add_stores): Use it.
4477 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
4478 call cselib_dummy_expand_value_rtx_cb instead of
4479 cselib_expand_value_rtx_cb.
4482 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
4483 * config/i386/i386.c: Include debug.h and dwarf2out.h.
4484 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
4485 and .cfi_endproc around the pic thunks.
4486 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
4487 all queued unwind info register saves are saved before the call.
4488 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
4489 considered as sp-=4 for unwind info and the pop as sp+=4 which
4490 also clobbers dest, but doesn't actually restore it.
4493 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
4494 RTX_FRAME_RELATED_P.
4496 2010-03-09 Jie Zhang <jie@codesourcery.com>
4498 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
4499 whitespaces in output template.
4501 2010-03-09 Jie Zhang <jie@codesourcery.com>
4503 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
4506 2010-03-08 Jakub Jelinek <jakub@redhat.com>
4508 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
4509 builtins.exp in a separate job.
4511 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4513 * graphite-sese-to-poly.c (add_param_constraints): Use
4514 lower_bound_in_type and upper_bound_in_type.
4516 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4518 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
4519 instead of unsigned_type_node.
4521 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4522 Reza Yazdani <reza.yazdani@amd.com>
4525 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
4526 on pointer type parameters.
4528 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
4532 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
4533 handle conversions from pointer to integers.
4534 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
4535 induction variable, to be able to work with code generated by CLooG.
4536 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
4537 (build_poly_scop): Bail out if we cannot codegen a loop.
4539 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
4541 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
4542 code generation with gloog_error.
4544 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4546 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
4547 Call fold_convert on all the returned values.
4548 (expand_scalar_variables_expr): Pass to
4549 expand_scalar_variables_ssa_name the type of the resulting expression.
4551 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4553 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
4554 ppl_min_for_le_pointset.
4555 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
4556 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
4558 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4560 * graphite-dependences.c (map_into_dep_poly): Removed.
4561 (dependence_polyhedron_1): Use combine_context_id_scat.
4563 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4565 * graphite-poly.h (struct poly_scattering): Add layout documentation.
4566 (struct poly_bb): Same.
4567 (combine_context_id_scat): New.
4569 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4572 * sese.c (name_defined_in_loop_p): Return false for default
4575 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4577 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
4578 and clean up the logic.
4580 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4582 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
4585 2010-03-08 Jakub Jelinek <jakub@redhat.com>
4587 * var-tracking.c (remove_cselib_value_chains): Define only for
4589 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
4590 delete_slot_part, emit_notes_for_differences_1): Don't call
4591 remove_cselib_value_chains here.
4592 (set_slot_part, emit_notes_for_differences_2): Don't call
4593 add_cselib_value_chains here.
4594 (preserved_values): New vector.
4595 (preserve_value): New function.
4596 (add_uses, add_stores, vt_add_function_parameters): Use it
4597 instead of cselib_preserve_value.
4598 (changed_values_stack): New vector.
4599 (check_changed_vars_0): New function.
4600 (check_changed_vars_1, check_changed_vars_2): Use it.
4601 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
4602 changed_values_stack VALUEs.
4603 (vt_emit_notes): For all preserved_values call
4604 add_cselib_value_chains. If ENABLE_CHECKING call
4605 remove_cselib_value_chains before verifying value_chains is empty.
4606 Initialize and free changed_values_stack.
4607 (vt_initialize): Initialize preserved_values.
4608 (vt_finalize): Free preserved_values.
4610 2010-03-08 Richard Guenther <rguenther@suse.de>
4612 PR tree-optimization/43269
4613 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
4616 2010-03-08 Martin Jambor <mjambor@suse.cz>
4618 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
4619 (ipa_is_param_called): Removed.
4620 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
4621 (ipa_print_node_params): Do not print the called flag.
4622 (ipa_write_node_info): Do not stream the called flag.
4623 (ipa_read_node_info): Likewise.
4625 2010-03-07 Jakub Jelinek <jakub@redhat.com>
4628 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
4629 * cselib.c (struct expand_value_data): Add dummy field.
4630 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
4632 (cselib_dummy_expand_value_rtx_cb): New function.
4633 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
4635 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
4636 * var-tracking.c: Include pointer-set.h.
4637 (variable): Change n_var_parts to char from int. Add
4638 cur_loc_changed and in_changed_variables fields.
4639 (variable_canonicalize): Remove.
4640 (shared_var_p): New inline function.
4641 (unshare_variable): Maintain cur_loc_changed and
4642 in_changed_variables fields. If var was in changed_variables,
4643 replace it there with new_var. Just copy cur_loc instead of
4644 resetting it to something else.
4645 (variable_union): Don't recompute cur_loc. Use shared_var_p.
4646 (dataflow_set_union): Don't call variable_canonicalize.
4647 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
4648 of their DEBUG_EXPR_TREE_DECLs.
4649 (canonicalize_loc_order_check): Verify that cur_loc is NULL
4650 and in_changed_variables and cur_loc_changed is false.
4651 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
4652 and cur_loc_changed. Don't update cur_loc here.
4653 (variable_merge_over_src): Don't call variable_canonicalize.
4654 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
4655 removing loc that is equal to cur_loc, clear cur_loc,
4656 set cur_loc_changed and ensure variable_was_changed is called.
4657 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
4658 compare pointers in cur_loc check, if it is equal to loc,
4659 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
4660 (variable_different_p): Remove compare_current_location argument,
4661 don't compare cur_loc.
4662 (dataflow_set_different_1): Adjust variable_different_p caller.
4663 (variable_was_changed): If dv had some var in changed_variables
4664 already, reset in_changed_variables flag for it and propagate
4665 cur_loc_changed over to the new variable. On empty var
4666 always set cur_loc_changed. Set in_changed_variables on whatever
4667 var is added to changed_variables.
4668 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
4669 Use shared_var_p. When removing loc that is equal to cur_loc,
4670 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
4671 end, don't set it to something else, just call variable_was_changed.
4672 (delete_slot_part): Use shared_var_p. When cur_loc equals to
4673 loc being removed, clear cur_loc and set cur_loc_changed.
4674 Set cur_loc_changed if all locations have been removed.
4675 (struct expand_loc_callback_data): New type.
4676 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
4677 allocated. Always create SUBREGs if simplify_subreg failed.
4678 Prefer to use cur_loc, when that fails and still in
4679 changed_variables (and seen first time) recompute it. Set
4680 cur_loc_changed of variables which had to change cur_loc and
4681 compute elcd->cur_loc_changed if any of the subexpressions used
4682 had to change cur_loc.
4683 (vt_expand_loc): Adjust to pass arguments in
4684 expand_loc_callback_data structure.
4685 (vt_expand_loc_dummy): New function.
4686 (emitted_notes): New variable.
4687 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
4688 that weren't used for any other decl in current
4689 emit_notes_for_changes call call vt_expand_loc_dummy to update
4690 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
4691 first loc_chain location if NULL before. Always use just
4692 cur_loc instead of first loc_chain location. When cur_loc_changed
4693 is false, when not --enable-checking=rtl just don't emit any note.
4694 When rtl checking, compute the note and assert it is the same
4695 as previous note. Clear cur_loc_changed and in_changed_variables
4696 at the end before removing from changed_variables.
4697 (check_changed_vars_3): New function.
4698 (emit_notes_for_changes): Traverse changed_vars to call
4699 check_changed_vars_3 on each changed var.
4700 (emit_notes_for_differences_1): Clear cur_loc_changed and
4701 in_changed_variables. Recompute cur_loc of new_var.
4702 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
4703 (vt_emit_notes): Initialize and destroy emitted_notes.
4705 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
4707 PR rtl-optimization/42220
4708 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
4709 Use verify_reg_tracked to determine if we should use OP_OUT rather
4711 (build_def_use): If we see an in-out operand for a register that we
4712 know nothing about, treat is an output if possible, fail the block if
4715 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4718 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
4721 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4724 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
4725 uses of relevant DEFs that are dead outside the loop too.
4727 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4729 * var-tracking.c (dataflow_set_merge): Swap src and src2.
4731 2010-01-13 Jakub Jelinek <jakub@redhat.com>
4733 * var-tracking.c (values_to_unmark): New variable.
4734 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
4735 values_to_unmark vector. Moved body to...
4736 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
4737 instead queue it into values_to_unmark vector.
4738 (vt_find_locations): Free values_to_unmark vector.
4740 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
4742 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
4743 (site.exp): Export them when plugins are enabled.
4745 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
4748 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
4750 (chrec_fold_multiply): Same.
4752 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
4755 * c-decl.c (build_compound_literal): Return early if init is
4758 2010-03-04 Martin Jambor <mjambor@suse.cz>
4760 PR tree-optimization/43164
4761 PR tree-optimization/43191
4762 * tree-sra.c (type_consists_of_records_p): Reject records with
4763 zero-size bit-fields at the end.
4765 2010-03-04 Mike Stump <mikestump@comcast.net>
4767 * Makefile.in (TAGS): Remove *.y.
4769 2010-03-04 Richard Guenther <rguenther@suse.de>
4771 PR tree-optimization/40761
4772 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
4774 (my_rev_post_order_compute): New function.
4775 (init_pre): Call it.
4777 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
4780 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
4781 decrease the cost of an IV candidate when the cost is infinite.
4783 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4785 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
4786 Use '3DNow!' for the extension of that name, ensure normal space
4788 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
4790 2010-03-03 Jeff Law <law@redhat.com>
4792 * PR middle-end/32693
4793 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
4794 than gen_rtx_SUBREG.
4795 (extract_bit_field_1): Likewise.
4797 2010-03-03 Janis Johnson <janis187@us.ibm.com>
4799 * doc/sourcebuild.texi (Test directives): Document that arguments
4800 include-opts and exclude-opts are now optional for dg-skip-if,
4801 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
4803 2010-03-03 Jason Merrill <jason@redhat.com>
4806 * cgraph.h (varpool_node): Add extra_name field.
4807 * varpool.c (varpool_extra_name_alias): New.
4808 (varpool_assemble_decl): Emit extra name aliases.
4809 (varpool_mark_needed_node): Look past an extra name alias.
4810 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
4811 * lto-streamer-in.c (lto_input_tree): Read it.
4812 * lto-streamer-out.c (output_unreferenced_globals): Write it.
4814 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
4816 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
4817 (sparc*-*-solaris2*): ...this.
4819 2010-03-03 Jakub Jelinek <jakub@redhat.com>
4822 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
4823 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
4824 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
4825 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
4828 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
4829 fallthrough to default handling, just with want_address 0 instead of 2.
4830 For single element lists, add_AT_loc directly, otherwise create an
4831 artificial variable DIE and stick location list to it.
4834 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
4835 (VAL_EXPR_HAS_REVERSE): Define.
4836 (reverse_op): New function.
4837 (add_stores): For reversible operations add an extra MO_VAL_USE.
4839 2010-03-02 Jason Merrill <jason@redhat.com>
4841 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
4843 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
4845 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
4846 (sparc64-*-linux*): Likewise.
4847 (sparc64-*-solaris2*): Include assembler files before linker ones.
4848 (sparc-*-solaris2*): Simplify and reorder to match previous case.
4849 * config/sparc/gas.h: Delete.
4850 * config/sparc/sol2-64.h: Add copyright notice.
4851 * config/sparc/sol2-gas-bi.h: Likewise.
4852 * config/sparc/sol2-gld.h: Likewise.
4853 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
4854 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
4855 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
4856 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
4857 (sparc_elf_asm_named_section): Rename into...
4858 (sparc_solaris_elf_asm_named_section): ...this. Always define.
4860 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
4862 * config/alpha/alpha.c (override_options): Fix -mtune error message.
4864 2010-03-02 Jeff Law <law@redhat.com>
4867 * reload1.c (rtx_p, substitute_stack): Declare.
4868 (substitute): Record addresses of changed rtxs.
4869 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
4870 Restore the original rtx when complete.
4871 (reload): Free subsitute_stack when complete.
4873 2010-03-02 Janis Johnson <janis187@us.ibm.com>
4875 * doc/gccint.texi (menu): Add Testsuites as a chapter.
4876 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
4878 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
4879 LTO Testing, gcov Testing, profopt Testing, compat Testing,
4880 Torture Tests): Change from subsection to section.
4882 2010-03-02 Jakub Jelinek <jakub@redhat.com>
4883 Steven Bosscher <steven@gcc.gnu.org>
4885 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
4888 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
4891 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
4892 the assignment from the new induction variable to the assignment
4893 of the value from the original loop PHI function.
4895 2010-03-01 Janis Johnson <janis187@us.ibm.com>
4896 Daniel Jacobowitz <dan@codesourcery.com>
4898 * doc/sourcebuild.texi (Test directives): Clarify options to
4901 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4903 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
4904 Disable cfi directives unless GCC and gas agree on using read-only
4905 .eh_frame sections for 64-bit.
4906 * configure: Regenerate.
4908 2010-03-01 Richard Guenther <rguenther@suse.de>
4910 PR tree-optimization/43220
4911 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
4912 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
4914 2010-03-01 Richard Guenther <rguenther@suse.de>
4915 Martin Jambor <mjambor@suse.cz>
4918 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
4919 gimplified parameters.
4921 2010-03-01 Christian Bruel <christian.bruel@st.com>
4923 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
4925 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
4927 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
4929 2010-03-01 Richard Guenther <rguenther@suse.de>
4932 * expr.c (expand_assignment): Use the alias-oracle to tell
4933 if the rhs aliases the result decl.
4935 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4938 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
4939 to sol_gt_pch_get_address.
4940 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
4941 64-bit, SPARC and x86.
4942 (sol_gt_pch_get_address): New function.
4944 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
4946 * toplev.h (inform_n, error_n): Declare.
4947 * diagnostic.c (inform_n, error_n): New function.
4949 2010-03-01 Jakub Jelinek <jakub@redhat.com>
4951 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
4952 has no rtl yet when processing local_decls, queue it and recheck
4953 if deferred stack allocation hasn't assigned it rtl.
4955 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
4957 * config/sh/sh.c (unspec_bbr_uid): New.
4958 (gen_block_redirect): Use it instead of INSN_UID.
4959 (gen_far_branch): Likewise.
4961 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
4963 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
4964 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
4966 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4968 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
4969 (Warning Options): -Wno-conversion-null is valid for
4970 Objective-C++ as well.
4971 * doc/tm.texi (Named Address Spaces): Likewise.
4972 * doc/plugins.texi (Plugins): Replace TABs with spaces.
4973 * doc/tree-ssa.texi (Tree SSA): Likewise.
4975 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4978 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
4979 by default. Don't set the default arch for
4980 i[34567]86-*-darwin*|x86_64-*-darwin*.
4982 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4985 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
4986 default. Set the default 32bit/64bit archs with $with_arch
4987 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
4989 2010-02-27 Richard Guenther <rguenther@suse.de>
4991 PR tree-optimization/43186
4992 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
4993 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
4994 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
4995 unroller iterations.
4997 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4999 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
5000 required and i[34567]86-*-* targets don't support 64bit ISA.
5002 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
5005 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
5008 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
5010 * config.gcc: Set the default arch at least to Prescott for
5011 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
5012 if SSE math is enabled.
5014 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5016 * diagnostic.c (diagnostic_initialize): Update.
5017 (diagnostic_report_diagnostic): Test inhibit_notes_p for
5019 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
5020 (diagnostic_inhibit_notes): New.
5021 * toplev.c (process_options): inhibit notes with -fcompare-debug.
5023 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5026 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
5027 * doc/standards.texi: Likewise.
5028 * doc/extend.texi: Likewise.
5029 * doc/trouble.texi: Likewise.
5030 * doc/cppopts.texi: Likewise.
5031 * doc/install.texi: Likewise.
5032 * c.opt (std=c90,std=gnu90): New options.
5033 * c-opts.c (c_common_handle_option): Handle them.
5035 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5038 * c-decl.c (undeclared_variable): Use an informative note.
5040 2010-02-26 Richard Guenther <rguenther@suse.de>
5042 PR tree-optimization/43186
5043 * gimple.h (gimple_fold): Remove.
5044 * gimple.c (gimple_fold): Remove. Inline into single user ...
5045 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
5046 Try harder for conditions.
5048 2010-02-26 Jakub Jelinek <jakub@redhat.com>
5051 * function.c (used_types_insert): Don't skip through named pointer
5052 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
5053 and it is different from the main variant's type.
5055 2010-02-26 Nick Clifton <nickc@redhat.com>
5057 * config/rx/rx.md (sminsi3): Remove bogus alternative.
5059 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
5061 * config.gcc: Support --with-fpmath=sse for x86.
5063 * config/i386/ssemath.h: New.
5065 * doc/install.texi (--with-fpmath=sse): Documented.
5067 2010-02-26 Richard Guenther <rguenther@suse.de>
5069 PR tree-optimization/43188
5070 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
5071 vector types of over-aligned element type.
5073 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
5076 * config/i386/i386.c (expand_vec_perm_blend): Use correct
5077 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
5079 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
5081 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
5083 2010-02-26 Jakub Jelinek <jakub@redhat.com>
5085 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
5086 * var-tracking.c: Include diagnostic.h.
5087 (debug_dv): New function.
5088 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
5091 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
5092 (add_value_chain, add_value_chains, remove_value_chain,
5093 remove_value_chains): Handle DEBUG_EXPRs.
5094 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
5097 * regcprop.c (struct queued_debug_insn_change): New type.
5098 (struct value_data_entry): Add debug_insn_changes field.
5099 (struct value_data): Add n_debug_insn_changes field.
5100 (debug_insn_changes_pool): New variable.
5101 (free_debug_insn_changes, apply_debug_insn_changes,
5102 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
5103 (kill_value_one_regno): Call free_debug_insn_changes if needed.
5104 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
5106 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
5108 (copyprop_hardreg_forward_1): Don't call apply_change_group for
5109 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
5110 changes, call cprop_find_used_regs via note_stores.
5111 (copyprop_hardreg_forward): When copying vd from predecessor
5112 which has any queued DEBUG_INSN changes, make sure the pointers are
5113 cleared. At the end call df_analyze and then if there are any
5114 DEBUG_INSN changes queued at the end of some basic block for still
5115 live registers, apply them.
5116 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
5118 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
5120 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
5123 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
5125 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
5126 targets. Set the default with_cpu/with_arch from arch/cpu.
5127 Allow x86-64 and native for with_cpu/with_arch.
5129 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
5131 * ebitmap.c: Change calls to verify_popcount with calls to
5132 sbitmap_verify_popcount.
5133 (ebitmap_clear_bit): Fixed map->cacheindex test and
5134 map>cache update when bit clearing results in an empty
5137 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
5140 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
5141 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
5142 and support both V2DF and V2DI modes.
5143 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
5144 support both V2DF and V2DI modes.
5145 (general): Delete trailing whitespace from a few patterns.
5147 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
5148 V2DF/V2DI interleave high/low builtins.
5150 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
5153 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
5154 interleave high/low functions.
5156 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
5158 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
5159 #pragma extern_prefix.
5161 2010-02-25 Jakub Jelinek <jakub@redhat.com>
5164 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
5165 BLKmode, assert op0 is a MEM and just adjust its mode.
5168 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
5169 if bitpos isn't multiple of mode's bitsize.
5171 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
5173 * c.opt (-ftemplate-depth=): New.
5174 (-ftemplate-depth-): Deprecate.
5175 * optc-gen.awk: Handle -ftemplate-depth=.
5176 * opth-gen.awk: Likewise.
5177 * c-opts.c (c_common_handle_option): Likewise.
5178 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
5180 2010-02-24 Jason Merrill <jason@redhat.com>
5182 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
5184 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5186 * cfg.c (alloc_aux_for_block): Remove inline.
5187 (alloc_aux_for_edge): Likewise.
5189 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5191 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
5193 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5195 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
5196 * config/i386/sol2-gas.h: New file.
5197 * config.gcc (i[34567]86-*-solaris2*): Use it.
5199 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
5202 * c-typeck.c (ep_convert_and_check): New.
5203 (build_conditional_expr): Use it.
5204 (build_binary_op): Likewise.
5206 2010-02-24 Jakub Jelinek <jakub@redhat.com>
5208 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
5211 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
5212 bounds even for -O+.
5213 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
5214 expr needs to have DECL_NAME set.
5216 2010-02-24 Nick Clifton <nickc@redhat.com>
5218 * config/mep/mep.c: Include gimple.h.
5219 (mep_function_uses_sp): Delete unused function.
5220 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
5221 parameters. Use unsigned integers to count args. Return a
5222 NULL_RTX instead of an error_mark_node. Toidy up formatting.
5224 2010-02-23 Jakub Jelinek <jakub@redhat.com>
5227 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
5228 greater or equal to nelt instead of 2 * nelt.
5229 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
5232 2010-02-23 Jason Merrill <jason@redhat.com>
5235 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
5236 in cfun->local_decls even if they have register types.
5239 * stor-layout.c (place_field): Don't warn about unnecessary
5240 DECL_PACKED if the type is packed.
5242 2010-02-23 Jakub Jelinek <jakub@redhat.com>
5245 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
5246 GOTOFF relocs, even when the base reg isn't pic pointer.
5248 2010-02-23 Michael Matz <matz@suse.de>
5251 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
5252 (expand_gimple_basic_block): Generate and use debug temps if there
5253 are debug uses left after the last real use of TERed ssa names.
5254 Unlink debug immediate uses when they are expanded.
5256 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
5259 * config/i386/i386.c (override_options): Reorganise to provide
5260 better error messages.
5262 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5265 * graphite-scop-detection.c (create_single_exit_edge): Move
5266 the call to find_single_exit_edge to....
5267 (create_sese_edges): ...here. Don't handle multiple edges
5268 exiting the function.
5269 (build_graphite_scops): Don't handle multiple edges
5270 exiting the function.
5272 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5275 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
5276 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
5278 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5281 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
5283 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
5286 * c-typeck.c (convert_arguments): Print declaration location.
5287 * c-common.c (validate_nargs): Rename as
5288 builtin_function_validate_nargs.
5289 (check_builtin_function_arguments): Update.
5291 2010-02-22 Richard Guenther <rguenther@suse.de>
5294 * tree-inline.c (declare_return_variable): Use the type of
5295 the call stmt lhs if available.
5297 2010-02-22 Duncan Sands <baldrick@free.fr>
5299 * passes.c (register_pass): Always consider all pass lists when
5300 ref_pass_instance_number is zero.
5302 2010-02-22 Richard Guenther <rguenther@suse.de>
5304 PR tree-optimization/42749
5305 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
5306 parameter. Do arithmetic in the original type.
5307 (update_accumulator_with_ops): Likewise.
5308 (adjust_accumulator_values): Adjust.
5310 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5312 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
5313 (QI to BLKmode splitter): New splitter.
5315 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
5317 * config/i386/i386.c (initial_ix86_tune_features): Turn on
5318 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
5320 2010-02-22 Richard Guenther <rguenther@suse.de>
5322 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
5324 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
5326 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
5327 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
5328 ($(T)crti.o, $(T)crtn.o): Remove rules.
5330 2010-02-21 Tobias Burnus <burnus@net-b.de>
5333 * doc/invoke.texi (-fassociative-math): Document that this
5334 option is automatically enabled for Fortran.
5336 2010-02-20 David S. Miller <davem@davemloft.net>
5338 * configure.ac: Test if linker and assembler properly support
5339 GOTDATA_OP relocations.
5340 * configure: Rebuild.
5341 * config.in: Likewise.
5342 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
5343 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
5344 (movsi_high_pic): Likewise.
5345 (movdi_lo_sum_pic): Likewise.
5346 (movdi_high_pic): Likewise.
5347 (movsi_pic_gotdata_op): New pattern.
5348 (movdi_pic_gotdata_op): Likewise.
5349 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
5350 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
5352 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
5355 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
5356 attribute to ssemul.
5357 (xop_mulv2div2di3_high): Ditto.
5359 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
5362 * c.opt (Wconversion-null): New option.
5363 * doc/invoke.texi (Wconversion-null): Document.
5365 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
5367 * common.opt (Wlarger-than-): Add Undocumented.
5369 2010-02-19 Mike Stump <mikestump@comcast.net>
5371 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
5373 2010-02-19 Jason Merrill <jason@redhat.com>
5376 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
5377 * configure: Likewise.
5379 2010-02-20 Alan Modra <amodra@gmail.com>
5382 * cgraph.h (cgraph_make_decl_local): Declare.
5383 * cgraph.c (cgraph_make_decl_local): New function.
5384 (cgraph_make_node_local): Use it.
5385 * cgraphunit.c (cgraph_function_versioning): Likewise.
5386 * ipa.c (function_and_variable_visibility): Likewise.
5388 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5391 * except.c (sjlj_emit_function_enter): Don't call
5392 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
5394 * rtl.h (add_reg_br_prob_note): Remove prototype.
5396 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
5399 * c-common.c (conversion_warning): Remove widening conversions
5400 before checking the conversion of integers to reals.
5402 2010-02-19 Mike Stump <mikestump@comcast.net>
5405 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
5408 * cgraphunit.c (process_function_and_variable_attributes): Check
5409 DECL_PRESERVE_P instead of looking up attribute "used".
5410 * ipa-pure-const.c (check_decl): Likewise.
5411 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
5412 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
5413 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
5414 instead of attribute "used".
5415 * config/sol2-c.c (solaris_pragma_init): Likewise.
5416 (solaris_pragma_fini): Likewise.
5418 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5420 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
5421 Use XCNEW instead of xcalloc.
5422 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
5423 XNEW instead of xmalloc.
5424 (get_fields): Use XNEWVEC instead of xmalloc.
5427 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
5428 populate vars array.
5429 (create_new_general_access): For debug stmts just reset value.
5430 (get_stmt_accesses): For accesses within debug stmts just record them
5431 using add_access_to_acc_sites instead of preventing the peeling or
5432 counting them as accesses.
5435 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
5437 2010-02-19 Richard Guenther <rguenther@suse.de>
5439 PR tree-optimization/42916
5440 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
5443 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
5445 * configure.ac: Replace all uses of changequote in macro arguments
5446 with proper quoting.
5448 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5451 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
5453 2010-02-19 Richard Guenther <rguenther@suse.de>
5455 PR tree-optimization/42944
5456 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
5457 test for aliasing with errno.
5459 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5462 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
5463 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
5464 * dojump.c: Include output.h.
5465 (inv): New inline function.
5466 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
5467 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
5468 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
5469 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
5470 argument, pass it down to other calls.
5471 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
5472 add REG_BR_PROB note to the conditional jump.
5473 * cfgexpand.c (add_reg_br_prob_note): Removed.
5474 (expand_gimple_cond): Don't call it, add the probability
5475 as last argument to jumpif_1/jumpifnot_1.
5476 * Makefile.in (dojump.o): Depend on output.h.
5477 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
5479 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
5480 * stmt.c (do_jump_if_equal): Likewise.
5481 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
5482 * loop-unswitch.c (compare_and_jump_seq): Likewise.
5483 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
5485 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
5486 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
5487 jumpifnot_1 callers.
5488 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
5490 (store_expr): Adjust jumpifnot caller.
5491 (store_constructor): Adjust jumpif caller.
5494 * gimplify.c (gimple_boolify): For __builtin_expect call
5495 gimple_boolify also on its first argument.
5497 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
5499 * configure.ac (gnu-unique-object): Wrap regexps using [] in
5501 (__stack_chk_fail): Ditto. Remove quadrigraphs.
5502 * configure: Regenerated.
5504 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5506 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
5507 lang_hooks.types_compatible_p instead of comptypes.
5509 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
5511 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
5512 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
5513 if __prefer_thumb__ is defined.
5515 2010-02-18 Martin Jambor <mjambor@suse.cz>
5517 PR tree-optimization/43066
5518 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
5519 array with zero-sized element type.
5521 2010-02-18 Jakub Jelinek <jakub@redhat.com>
5523 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
5524 rtx, allocate struct var_loc_node here and return it to the
5525 caller, and only if it is actually needed.
5526 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
5527 move it earlier and return immediately if it returns NULL.
5529 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
5531 * config/sparc/gas.h: New file. Restore
5532 TARGET_ASM_NAMED_SECTION to its ELF default.
5533 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
5535 * config/sparc/sparc.c (sparc_elf_asm_named_section):
5536 Likewise. Add ATTRIBUTE_UNUSED to prototype.
5537 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
5538 after sparc/sysv4.h.
5540 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
5542 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
5544 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
5546 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
5547 patterns from predicated pattern.
5549 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
5552 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
5553 for insn mnemonic suffix.
5555 2010-02-17 Richard Guenther <rguenther@suse.de>
5557 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
5560 2010-02-17 Jakub Jelinek <jakub@redhat.com>
5563 * caller-save.c (save_call_clobbered_regs): If BB ends with
5564 a DEBUG_INSN, move any notes in between last real insn and the last
5565 DEBUG_INSN after the last DEBUG_INSN.
5567 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
5569 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
5570 Fix return type. Fix argument type. Explain meaning of return value.
5572 2010-02-16 Richard Guenther <rguenther@suse.de>
5574 PR tree-optimization/41043
5575 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
5576 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
5578 (vrp_visit_phi_node): ... but only for loop PHI nodes.
5580 2010-02-16 Ira Rosen <irar@il.ibm.com>
5582 PR tree-optimization/43074
5583 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
5584 * tree-vect-loop.c (vect_analyze_loop_operations): Add
5585 vectorizable cycles in hybrid SLP check.
5586 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
5588 2010-02-16 Richard Guenther <rguenther@suse.de>
5590 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
5591 (true_dependence): If memrefs_conflict_p computes must-alias
5592 trust it. Move TBAA check after offset-based disambiguation.
5593 (canon_true_dependence): Likewise.
5595 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
5597 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
5598 * doc/invoke.texi: Document it.
5599 * var-tracking.c: Include toplev.h and params.h.
5600 (vt_find_locations): Return bool indicating success. Compute
5601 hash sizes unconditionally. Check new parameter, report.
5602 (variable_tracking_main_1): Check vt_find_locations results and
5603 retry. Renamed from...
5604 (variable_tracking_main): ... this. New wrapper to preserve
5605 flag_var_tracking_assignments.
5606 * Makefile.in (var-tracking.o): Adjust dependencies.
5608 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
5609 Jakub Jelinek <jakub@redhat.com>
5612 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
5613 if weak_import attribute is present.
5614 * config/darwin.c (machopic_select_section): Likewise.
5616 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
5618 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
5619 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
5620 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
5621 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
5623 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
5626 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
5629 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
5630 Rewrite text to refer to the names.
5632 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
5634 * config/i386/i386-builtin-types.def
5635 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
5636 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
5637 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
5638 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
5639 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
5640 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
5641 IX86_BUILTIN_VPERMIL2PS256.
5642 (MULTI_ARG_4_DF2_DI_I): Defined.
5643 (MULTI_ARG_4_DF2_DI_I1): Defined.
5644 (MULTI_ARG_4_SF2_SI_I): Defined.
5645 (MULTI_ARG_4_SF2_SI_I1): Defined.
5646 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
5647 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
5648 __builtin_ia32_vpermil2ps256.
5649 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
5650 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
5651 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
5652 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
5653 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
5654 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
5655 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
5656 CODE_FOR_xop_vpermil2v8sf3.
5657 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
5658 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
5659 * config/i386/xopintrin.h (_mm_permute2_pd): New.
5660 (_mm256_permute2_pd): New.
5661 (_mm_permute2_ps): New.
5662 (_mm256_permute2_ps): New.
5664 2010-02-15 Nick Clifton <nickc@redhat.com>
5666 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
5667 boolean parameters. Use emit_jump_insn when emitting a pop
5668 instruction containing a return insn.
5669 (push): Use 'true' rather than '1' as second parameter to F.
5670 (h8300_expand_prologue): Likewise.
5671 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
5672 (h8300_expand_epilogue): Likewise.
5674 2010-02-15 Richard Guenther <rguenther@suse.de>
5677 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
5680 2010-02-15 Nick Clifton <nickc@redhat.com>
5682 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
5685 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
5687 * intl.c (fake_ngettext): New function.
5688 * intl.h (fake_ngettext): Declare.
5689 (ngettext): Define macro.
5690 * collect2.c (notice_translated): New function.
5691 (main): Use notice_translated and ngettext.
5692 * collect2.h (notice_translated): Declare.
5694 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
5696 * reorg.c (delete_computation): Comment fixes.
5697 * caller-save.c (setup_save_areas): Idem.
5698 * sel-sched-dump.c (dump_lv_set): Idem.
5701 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5703 * config/s390/s390.c (s390_sched_init): New function.
5704 (TARGET_SCHED_INIT): Target hook defined.
5706 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
5707 Jack Howarth <howarth@bromo.med.uc.edu>
5708 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
5711 Partial revert of unintended change in fix for PR41605.
5712 * config/darwin.h: Fix typo.
5713 * config/darwin9.h: Same.
5715 2010-02-11 Jakub Jelinek <jakub@redhat.com>
5717 * c-pch.c (pch_init): Clear v.
5719 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5722 * graphite-scop-detection.c (graphite_can_represent_scev): Call
5723 graphite_can_represent_init for MULT_EXPR.
5725 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5729 * graphite-sese-to-poly.c (remove_phi): New.
5730 (translate_scalar_reduction_to_array): Call remove_phi.
5732 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5735 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
5736 * graphite-clast-to-gimple.h (gloog): Update declaration.
5737 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
5738 * graphite-poly.h (struct poly_bb): Add missing comments.
5739 (struct scop): Add poly_scop_p field.
5741 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
5742 * graphite.c (graphite_transform_loops): Build the polyhedral
5743 representation for each scop before code generation.
5744 * sese.c (rename_variables_in_operand): Removed.
5745 (rename_variables_in_expr): Return the renamed expression.
5746 (rename_sese_parameters): New.
5747 * sese.h (rename_sese_parameters): Declared.
5749 2010-02-11 Richard Guenther <rguenther@suse.de>
5751 PR tree-optimization/42998
5752 * tree-ssa-pre.c (create_expression_by_pieces): Treat
5753 POINTER_PLUS_EXPR properly.
5755 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5756 Changpeng Fang <changpeng.fang@amd.com>
5759 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
5760 the cost of an IV candidate when the IV is used in a test against zero.
5762 * gcc.dg/tree-ssa/ivopts-3.c: New.
5764 2010-02-11 Richard Guenther <rguenther@suse.de>
5767 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
5768 pointer-vs-decl case by swapping refs. Handle some cases
5769 of pointer-vs-decl disambiguations more conservatively.
5770 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
5771 to false after expanding.
5773 2010-02-11 Richard Guenther <rguenther@suse.de>
5776 * gcc.c (process_command): Handle LTO file@offset case more
5779 2010-02-11 Jakub Jelinek <jakub@redhat.com>
5781 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
5782 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
5784 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
5786 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
5787 if MEM's mode size isn't DWARF2_ADDR_SIZE.
5788 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
5789 Optimize eq/ne comparisons when both arguments are known to be
5791 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
5792 Don't mask operands unnecessarily if they are known to be already
5795 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
5797 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
5800 2010-02-10 Richard Guenther <rguenther@suse.de>
5802 PR tree-optimization/43017
5803 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
5804 for wrapping signed arithmetic.
5806 2010-02-10 Jakub Jelinek <jakub@redhat.com>
5809 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
5810 if no debug info should be emitted for it.
5812 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
5814 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
5815 note when flag_exceptions is set.
5817 2010-02-10 Duncan Sands <baldrick@free.fr>
5819 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
5821 2010-02-10 Richard Guenther <rguenther@suse.de>
5824 * tree.c (get_unwidened): Handle constants.
5825 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
5827 2010-02-10 Martin Jambor <mjambor@suse.cz>
5830 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
5831 check for variable argument counts independently.
5833 2010-02-10 Christian Bruel <christian.bruel@st.com>
5836 * config/sh/sh.c (find_barrier): Increase length for non delayed
5837 conditional branches.
5839 2010-02-10 Christian Bruel <christian.bruel@st.com>
5841 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
5843 2010-02-10 Jakub Jelinek <jakub@redhat.com>
5845 * builtins.c (set_builtin_user_assembler_name): Also handle
5846 ffs if int is smaller than word.
5848 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
5851 * ira-conflicts.c (get_dup): Remove.
5852 (process_reg_shuffles): Add new parameter. Use it as an
5853 additional guard for copy generation.
5854 (add_insn_allocno_copies): Rewrite.
5856 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
5858 * common.opt (fsched2-use-traces): Preserved for backward
5860 * doc/invoke.texi: Remove the documentation about option
5861 -fsched2-use-traces.
5862 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
5863 flag_sched2_use_traces.
5864 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
5865 the backward compatibility flag section.
5867 2010-02-09 Richard Guenther <rguenther@suse.de>
5869 PR tree-optimization/43008
5870 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
5871 make HEAP variables initialized from global memory if they
5872 are not known builtin functions.
5873 (find_func_aliases): Adjust.
5875 2010-02-09 Richard Guenther <rguenther@suse.de>
5877 PR tree-optimization/43000
5878 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
5879 arithmetic manually.
5881 2010-02-08 Jakub Jelinek <jakub@redhat.com>
5883 PR tree-optimization/42931
5884 * tree-loop-linear.c (try_interchange_loops): Don't call
5885 double_int_mul if estimated_loop_iterations failed.
5887 2010-02-08 Martin Jambor <mjambor@suse.cz>
5890 * tree-sra.c (build_accesses_from_assign): Do not mark in
5891 should_scalarize_away_bitmap if stmt has volatile ops.
5892 (sra_modify_assign): Do not process assigns piecemeal if if stmt
5895 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
5897 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
5899 2010-02-07 Adam Nemet <adambnmet@gmail.com>
5901 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
5904 2010-02-07 Andrew Pinski <pinskia@gmail.com>
5907 * df-core.c (df_finish_pass): Change type of saved_flags to int.
5909 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
5912 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
5913 to unknown_dependence.
5914 (graphite_legal_transform_dr): Handle the unknown_dependence.
5915 (graphite_carried_dependence_level_k): Same.
5917 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
5919 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
5921 2010-02-07 Richard Guenther <rguenther@suse.de>
5924 * expr.c (get_inner_reference): Always initialize *pbitsize.
5926 2010-02-07 Richard Guenther <rguenther@suse.de>
5929 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
5930 new ARRAY_REFs on variable size element or minimal index arrays.
5932 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
5933 gimple_fold_indirect_ref.
5935 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
5938 * arm.c (arm_override_options): Just return if the user has specified
5939 an invalid fpu name.
5941 2010-02-03 Jason Merrill <jason@redhat.com>
5944 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
5945 i386_pe_maybe_record_exported_symbol.
5947 2010-02-05 Steve Ellcey <sje@cup.hp.com>
5950 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
5951 (pa_delegitimize_address): New function.
5953 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
5955 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
5956 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
5958 2010-02-05 Richard Guenther <rguenther@suse.de>
5961 * lto-streamer-in.c (get_resolution): Deal with references
5962 to undefined functions.
5964 2010-02-05 Richard Guenther <rguenther@suse.de>
5966 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
5967 (fold_const_aggregate_ref): Likewise.
5968 (ccp_fold_stmt): Substitute loads.
5969 (maybe_fold_reference): Verify types before substituting.
5971 (fold_gimple_assign): Unshare properly.
5972 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
5974 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
5976 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
5977 for rs6000_gen_cell_microcode.
5979 2010-02-04 Richard Guenther <rguenther@suse.de>
5981 PR rtl-optimization/42952
5982 * dse.c (const_or_frame_p): Remove MEM handling.
5984 2010-02-04 Nick Clifton <nickc@redhat.com>
5986 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
5987 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
5988 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
5989 (mn10300_asm_output_mi_thunk): New function.
5990 (mn10300_can_output_mu_thunk): New function.
5991 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
5992 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
5993 (FUNCTION_ARG): Delete incorrect comment.
5995 2010-02-03 Jason Merrill <jason@redhat.com>
5998 * fold-const.c (operand_equal_p): Handle erroneous types.
6000 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
6002 * config/h8300/h8300.md (can_delay): Fix attibute condition.
6004 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
6006 PR rtl-optimization/42941
6007 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
6010 2010-02-03 Jason Merrill <jason@redhat.com>
6013 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
6015 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
6018 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
6019 (cselib_reset_table): Renamed from...
6020 (cselib_reset_table_with_next_value): ... this.
6021 (cselib_get_next_uid): Renamed from...
6022 (cselib_get_next_unknown_value): ... this.
6023 * cselib.c (next_uid): Renamed from...
6024 (next_unknown_value): ... this.
6025 (cselib_clear_table): Adjust.
6026 (cselib_reset_table): Adjust. Renamed from...
6027 (cselib_reset_table_with_next_value): ... this.
6028 (cselib_get_next_uid): Adjust. Renamed from...
6029 (cselib_get_next_unknown_value): ... this.
6030 (get_value_hash): Use hash.
6031 (cselib_hash_rtx): Likewise.
6032 (new_cselib_val): Adjust. Set and dump uid.
6033 (cselib_lookup_mem): Pass next_uid as hash.
6034 (cselib_subst_to_values): Likewise.
6035 (cselib_log_lookup): Dump uid.
6036 (cselib_lookup): Pass next_uid as hash. Adjust.
6037 (cselib_process_insn): Adjust.
6038 (cselib_init): Initialize next_uid.
6039 (cselib_finish): Adjust.
6040 (dump_cselib_table): Likewise.
6041 * dse.c (canon_address): Dump value uid.
6042 * print-rtl.c (print_rtx): Print value uid.
6043 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
6045 (dv_uid): New function, sort of renamed from...
6046 (dv_htab_hash): ... this, reimplemented in terms of it and...
6047 (dv_uid2hash): ... this. New.
6048 (variable_htab_eq): Drop excess assertions.
6049 (tie_break_pointers): Removed.
6050 (canon_value_cmp): Compare uids.
6051 (variable_post_merge_New_vals): Print uids.
6052 (vt_add_function_parameters): Adjust.
6053 (vt_initialize): Reset table. Adjust.
6055 2010-02-03 Richard Guenther <rguenther@suse.de>
6057 PR tree-optimization/42944
6058 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
6059 (call_may_clobber_ref_p_1): Likewise. Properly handle
6060 malloc and calloc clobbering errno.
6062 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
6064 * doc/invoke.texi: Fix name of sched1 dump.
6066 * opts.c (decode_options): Set flag_tree_switch_conversion
6067 only conditionally on optimize >= 2.
6069 * gcse.c: Assorted comment fixes in pass description.
6071 2010-02-03 Anthony Green <green@moxielogic.com>
6073 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
6074 nop padding in order to maintain alignment of storage location of
6075 target function address.
6076 (moxie_trampoline_init): Store target function address at newly
6078 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
6080 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
6082 2010-02-03 Richard Guenther <rguenther@suse.de>
6085 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
6087 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6089 * config.gcc: Reenable check for obsolete targets.
6090 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
6091 mips-sgi-irix6.[0-4]*.
6093 2010-02-02 Nick Clifton <nickc@redhat.com>
6095 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
6096 constant size of 4 as being the same as 0.
6097 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
6098 can take values in the range 0..4.
6100 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
6103 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
6104 as _darwin10_Unwind_FindEnclosingFunction().
6105 * libgcc-libsystem.ver: New.
6107 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
6110 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
6111 implicitly set registers.
6113 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
6115 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
6116 (arm_override_options): Allow automatic selection of the thread
6117 pointer register if thumb2.
6118 (legitimize_pic_address): Improve code sequences for Thumb2.
6119 (arm_call_tls_get_addr): Likewise.
6120 (legitimize_tls_address): Likewise.
6121 * arm.md (pic_load_addr_arm): Delete. Replace with ...
6122 (pic_load_addr_32bit): ... this. New named pattern.
6123 * thumb2.md (pic_load_addr_thumb2): Delete.
6124 (pic_load_dot_plus_four): Delete.
6125 (tls_load_dot_plus_four): New named pattern.
6127 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6130 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
6131 Document fix for TLS bug.
6133 2010-01-31 Richard Guenther <rguenther@suse.de>
6135 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
6136 conservatively correct.
6138 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6142 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6144 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
6146 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6148 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
6150 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
6152 * config.gcc: Adjust order of makefile fragments for mingw targets.
6154 2010-01-31 Richard Guenther <rguenther@suse.de>
6157 * gimplify.c (gimplify_init_constructor): For volatile LHS
6158 initialize a temporary.
6160 2010-01-31 Matthias Klose <doko@ubuntu.com>
6162 * configure.ac: Fix __stack_chk_fail check for cross builds configured
6164 * configure: Regenerate.
6166 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
6168 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
6169 the same alias set and their sizes different constantness.
6170 (aliasing_component_refs_p): Revert 2009-10-24 change.
6172 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6174 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
6177 2010-01-29 Richard Guenther <rguenther@suse.de>
6179 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
6180 Assert we successfully updated the call.
6182 2010-01-29 Jakub Jelinek <jakub@redhat.com>
6184 PR rtl-optimization/42889
6185 * df.h (df_set_bb_dirty_nonlr): New prototype.
6186 * df-core.c (df_set_bb_dirty_nonlr): New function.
6187 * df-scan.c (df_insn_rescan): Call it instead of
6188 df_set_bb_dirty for DEBUG_INSNs.
6190 2010-01-29 Richard Guenther <rguenther@suse.de>
6193 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
6194 quadratic behavior in most cases.
6196 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
6199 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
6200 in the call to gen_x86_movsicc_0_m1.
6202 2010-01-28 Richard Guenther <rguenther@suse.de>
6204 PR tree-optimization/42871
6205 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
6207 2010-01-28 Richard Guenther <rguenther@suse.de>
6209 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
6210 into call arguments.
6212 2010-01-28 Richard Guenther <rguenther@suse.de>
6215 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
6216 the forwarder if the destination is an EH landing pad.
6218 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
6220 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
6221 block list passed to gimple_duplicate_sese_tail.
6222 (parallelize_loops): Avoid parallelization when the function
6224 Avoid parallelization when the preheader is IRREDUCIBLE.
6225 Try to optimize when estimated_loop_iterations_int is unresolved.
6226 Add the loop's location to the dump file.
6227 * tree-cfg.c (add_phi_args_after_redirect): Remove.
6228 (gimple_duplicate_sese_tail): Remove the check for the latch.
6229 Redirect nexits to the exit block.
6230 Remove handling of the incoming edges to the latch.
6231 Redirect the backedge from the copied latch to the exit bb.
6233 2010-01-28 Michael Matz <matz@suse.de>
6236 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
6237 Wrap force_reg into a sequence, emit it before user.
6239 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
6241 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
6243 (arm_legacy_rev): Likewise.
6244 (thumb_legacy_rev): Likewise.
6246 2010-01-27 Jakub Jelinek <jakub@redhat.com>
6248 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
6249 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
6250 on MEM's address failed, try avoid_constant_pool_reference and
6251 recurse if it returned something different.
6252 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
6253 address, try avoid_constant_pool_reference and recurse if it
6254 returned something different.
6255 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
6256 address and avoid_constant_pool_reference returned something
6257 different, don't set have_address.
6259 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
6262 * var-tracking.c (val_store): Add modified argument, obey it.
6264 (count_uses): Move down logging of main.
6265 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
6266 don't need resolution.
6267 (emit_notes_in_bb): Likewise.
6269 2010-01-27 Richard Guenther <rguenther@suse.de>
6272 * tree-inline.c (remap_decl): Delay remapping of SSA name
6273 default definitions until we need them.
6275 2010-01-27 Jakub Jelinek <jakub@redhat.com>
6277 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
6278 (rs6000_delegitimize_address): New function.
6280 * config/s390/s390.c (s390_delegitimize_address): Call
6281 delegitimize_mem_from_attrs.
6284 * tree-inline.c (cannot_copy_type_1): Removed.
6285 (copy_forbidden): Don't forbid copying of functions containing
6286 records/unions with variable length fields.
6288 2010-01-27 Christian Bruel <christian.bruel@st.com>
6292 * config/sh/sh.c (find_barrier): Increase length for non delayed
6293 conditional branches.
6295 2010-01-27 Matthias Klose <doko@ubuntu.com>
6297 * configure.ac (gnu-unique-object): Fix ldd version check.
6298 * configure: Regenerate.
6300 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6302 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
6304 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
6305 Test for HAVE_GNU_AS value.
6307 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6309 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
6310 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
6311 INT64_TYPE): Define.
6312 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
6313 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
6314 INT_LEAST64_TYPE): Define.
6315 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
6316 UINT_LEAST64_TYPE): Define.
6317 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
6318 INT_FAST64_TYPE): Define.
6319 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
6320 UINT_FAST64_TYPE): Define.
6321 (INTMAX_TYPE, UINTMAX_TYPE): Define.
6322 (INTPTR_TYPE, UINTPTR_TYPE): Define.
6323 (SIG_ATOMIC_TYPE): Define.
6325 2010-01-26 Richard Guenther <rguenther@suse.de>
6327 * df-scan.c (df_scan_set_bb_info): Remove assert.
6328 (df_insn_rescan_debug_internal): Merge asserts.
6329 (df_install_ref): Likewise.
6330 (df_mark_reg): Use bitmap_set_range.
6331 (df_hard_reg_used_p): Remove assert.
6332 (df_hard_reg_used_count): Likewise.
6334 2010-01-26 Richard Guenther <rguenther@suse.de>
6336 PR rtl-optimization/42685
6337 * web.c (web_main): Ignore DEBUG_INSNs.
6339 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
6341 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
6343 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
6344 Fix types of fndecl and arglist parameters.
6346 2010-01-26 Richard Guenther <rguenther@suse.de>
6349 * tree-eh.c (unsplit_eh): Skip debug insns.
6351 2010-01-26 Richard Guenther <rguenther@suse.de>
6353 PR tree-optimization/42250
6354 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
6356 2010-01-26 Jakub Jelinek <jakub@redhat.com>
6359 * omp-low.c (expand_omp_sections): Only use single_pred if
6360 l2_bb is single_pred_p.
6362 2010-01-25 Christian Bruel <christian.bruel@st.com>
6365 * config/sh/sh.c (find_barrier): Increase length for non delayed
6366 conditional branches.
6367 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
6369 2010-01-24 David S. Miller <davem@davemloft.net>
6371 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
6372 define if not using GAS.
6373 * config/sparc/sparc.c (sparc_elf_asm_named_section):
6374 Likewise. Delete SECTION_MERGE code, which is only applicable
6377 2010-01-24 Mark Mitchell <mark@codesourcery.com>
6380 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
6381 mangling of va_list in system headers.
6383 2010-01-23 Toon Moene <toon@moene.org>
6385 * tree-predcom.c (combine_chains): Return NULL, not false.
6387 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
6389 * tree-loop-distribution.c (distribute_loop): Fix declaration and
6390 initialization of variable res to agree with return type.
6392 2010-01-22 Steve Ellcey <sje@cup.hp.com>
6394 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
6395 * tree-sra.c: Add include of expr.h.
6397 2010-01-22 Jakub Jelinek <jakub@redhat.com>
6399 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
6400 insert the debug stmt on the single non-EH edge from the stmt.
6402 2010-01-22 Richard Henderson <rth@redhat.com>
6405 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
6406 the RHS until after generate_subtree_copies has insertted its
6407 code before the current statement.
6409 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
6411 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
6413 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
6415 2010-01-21 Martin Jambor <mjambor@suse.cz>
6417 PR tree-optimization/42585
6418 * tree-sra.c (struct access): New field grp_total_scalarization.
6419 (dump_access): Dump the new field.
6420 (should_scalarize_away_bitmap): New variable.
6421 (cannot_scalarize_away_bitmap): Likewise.
6422 (sra_initialize): Allocate new bitmaps.
6423 (sra_deinitialize): Free new bitmaps.
6424 (create_access_1): New function.
6425 (create_access): Parts moved to create_access_1.
6426 (type_consists_of_records_p): New function.
6427 (completely_scalarize_record): Likewise.
6428 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
6429 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
6430 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
6432 (analyze_all_variable_accesses): Completely scalarize small eligible
6435 2010-01-21 Martin Jambor <mjambor@suse.cz>
6437 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
6439 2010-01-21 Andrew Haley <aph@redhat.com>
6441 * gcc.c (process_command): Move lang_specific_driver before
6442 setting cc_libexec_prefix.
6444 2010-01-21 Richard Guenther <rguenther@suse.de>
6447 * fold-const.c (negate_expr_p): Pretend only negative
6448 real constants are easily negatable.
6450 2010-01-20 Janis Johnson <janis187@us.ibm.com>
6451 Jason Merrill <jason@redhat.com>
6453 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
6454 (TYPE_TRANSPARENT_AGGR): this, for union and record.
6455 * calls.c (initialize argument_information): Handle it.
6456 * c-common.c (handle_transparent_union_attribute): Use new name.
6457 * c-decl.c (finish_struct): Ditto.
6458 * c-typeck.c (type_lists_compatible_p): Ditto.
6459 (convert_for_assignment): Use new name and also handle record.
6460 * function.c (aggregate_value_p): Handle it.
6461 (pass_by_reference): Ditto.
6462 (assign_parm_data_types): Ditto.
6463 * print-tree.c (print_node): Ditto.
6464 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
6465 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
6466 * tree.c (first_field): New fn.
6468 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
6471 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
6472 even when linking statically, for now.
6474 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
6477 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
6478 without a cselib val.
6479 (count_uses): Accept MO_VAL_SET with no val on stores.
6480 (add_stores): Likewise.
6482 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6484 * var-tracking.c (check_value_val): Add a compile time assertion.
6485 (dv_is_decl_p): Simplify.
6486 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
6487 gcc_assert if ENABLE_CHECKING.
6489 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
6492 * var-tracking.c: Include tree-flow.h.
6493 (mem_dies_at_call): New.
6494 (dataflow_set_preserve_mem_locs): Use it.
6495 (dataflow_set_remove_mem_locs): Likewise.
6496 (dump_var): Renamed from dump_variable. Adjust all callers.
6497 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
6498 * Makefile.in (var-tracking.o): Adjust deps.
6500 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
6502 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
6504 2010-01-20 Richard Guenther <rguenther@suse.de>
6506 PR tree-optimization/42717
6507 * tree-ssa-dce.c (get_live_post_dom): Remove.
6508 (forward_edge_to_pdom): Take an arbitrary edge to copy
6509 degenerate PHI args from.
6510 (remove_dead_stmt): Use the first post-dominator even if it
6511 does not contain live statements as redirection destination.
6513 2010-01-20 Richard Guenther <rguenther@suse.de>
6515 * tree-inline.c (estimate_num_insns): Handle EH builtins.
6517 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6519 * sel-sched.c (create_speculation_check): Remove set but not used
6521 (try_transformation_cache): Remove set but not used variable ds.
6522 (calculate_privileged_insns): Remove set but not used variables
6523 cur_insn and min_spec_insn.
6524 (find_best_expr): Remove set but not used variable avail_n.
6525 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
6527 * cgraphunit.c (assemble_thunk): Remove set but not used variable
6529 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
6530 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
6533 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
6536 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
6537 cpu types. Add support for *-sse3 cpu types.
6538 (x86_64-*-*): Ditto.
6540 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6543 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
6544 argument, call initializer_constant_valid_p_1 instead of
6545 initializer_constant_valid_p, pass CACHE to it, return NULL
6546 immediately if first call returns NULL.
6547 (initializer_constant_valid_p_1): New function.
6548 (initializer_constant_valid_p): Use it.
6550 2010-01-20 Thomas Quinot <quinot@adacore.com>
6552 * tree.def (PLACEHOLDER_EXPR): Fix comment.
6554 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6556 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
6557 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
6558 (loc_list_from_tree): Don't handle unsigned division. Handle
6559 signed modulo using DW_OP_{over,over,div,mul,minus}.
6560 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
6561 modulo instead of signed.
6563 2010-01-20 DJ Delorie <dj@redhat.com>
6565 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
6567 (h8300_emit_stack_adjustment): Propogate it.
6569 (h8300_expand_prologue): Likewise.
6570 (h8300_expand_epilogue): Likewise.
6572 2010-01-19 Michael Matz <matz@suse.de>
6574 PR tree-optimization/41783
6575 * tree-data-ref.c (toplevel): Include flags.h.
6576 (dump_data_dependence_relation): Also dump the inputs if the
6577 result will be unknown.
6578 (split_constant_offset_1): Look through some conversions.
6579 * tree-predcom.c (determine_roots_comp): Restart a new chain if
6580 the offset from last element is too large.
6581 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
6582 (reassociate_to_the_same_stmt): Handle vector registers.
6583 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
6585 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
6586 wide_prolog_niters argument, emit widening instructions.
6587 (vect_do_peeling_for_alignment): Adjust caller, use widened
6588 variant of the iteration cound.
6589 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
6591 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
6594 * config/arm/neon-testgen.m (emit_automatics): New parameter
6595 features. Adjust for Fixed_return_reg feature.
6596 (test_intrinsic): Call emit_automatics with new feature.
6597 * config/arm/neon.ml: Update copyright years.
6598 (features): New Fixed_return_reg feature.
6599 (ops): Update feature for Vget_low.
6601 2010-01-19 Jakub Jelinek <jakub@redhat.com>
6603 PR tree-optimization/42719
6604 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
6608 * fwprop.c (all_uses_available_at): Return false if def_set dest
6609 is a REG that is used in def_insn.
6611 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
6613 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
6615 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
6618 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
6620 * target.h (struct gcc_target) <secondary_reload>: Change type
6621 of last argument to secondary_reload_info *.
6623 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
6626 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
6627 memory references with unaligned offsets. Remove CQImode handling.
6628 (unaligned_memory_operand): Return 1 for memory references with
6629 unaligned offsets. Remove CQImode handling.
6631 2010-01-18 Richard Guenther <rguenther@suse.de>
6634 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
6637 2010-01-18 Richard Guenther <rguenther@suse.de>
6639 PR tree-optimization/42781
6640 * tree-ssa-structalias.c (find_what_var_points_to): Skip
6641 restrict processing only if the original variable was artificial.
6643 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
6645 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
6646 find number of popped argument bytes.
6648 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
6649 Fix the text that describes the return value for invalid insns.
6651 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
6653 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
6654 Clarify what 'cost of the -dependence' is. Fix quoting.
6656 * toplev.c (default_get_pch_validity): Rename argument to "sz".
6657 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
6659 2010-01-17 Jakub Jelinek <jakub@redhat.com>
6661 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
6662 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
6664 2010-01-17 Richard Guenther <rguenther@suse.de>
6667 * function.c (split_complex_args): Take a VEC to modify.
6668 (assign_parms_augmented_arg_list): Build a VEC instead of
6669 a chain of PARM_DECLs.
6670 (assign_parms_unsplit_complex): Take a VEC of arguments.
6671 Do not fixup unmodified parms.
6672 (assign_parms): Deal with the VEC.
6673 (gimplify_parameters): Likewise.
6675 2010-01-17 Richard Guenther <rguenther@suse.de>
6677 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
6678 node existence check.
6679 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
6680 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
6681 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
6682 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
6683 (gimple_execute_on_growing_pred): Likewise.
6685 2010-01-17 Richard Guenther <rguenther@suse.de>
6687 PR tree-optimization/42773
6688 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
6689 (compute_antic_aux): Likewise.
6690 (compute_partial_antic_aux): Likewise.
6692 2010-01-17 Jie Zhang <jie.zhang@analog.com>
6695 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
6698 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
6700 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
6703 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
6704 Fix markup for strict argument.
6706 (TARGET_SCHED_REORDER2): Fix argument types.
6708 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
6709 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
6711 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
6712 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
6714 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
6717 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
6718 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
6719 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
6720 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
6721 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
6723 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
6725 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
6727 (TARGET_ASM_RELOC_RW_MASK): Add return type.
6728 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
6730 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
6732 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
6735 (TARGET_ASM_NAMED_SECTION): Fix argument list.
6737 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
6738 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
6740 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
6742 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
6744 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
6745 referring to it. Fix language.
6747 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
6749 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
6751 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
6753 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
6755 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
6756 '@var{stream}. Remove stray 'and'.
6758 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
6760 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
6762 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
6764 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
6765 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
6767 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
6768 Fix description of return value.
6769 Rename argument "sz" to "len."
6771 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
6772 Clarify meaning of 'true' return value.
6774 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
6776 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
6777 rep_mode versus mode_rep.
6779 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
6781 (TARGET_BUILTIN_DECL): Fix name.
6783 (TARGET_COMMUTATIVE_P): Fix type of first argument.
6785 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
6787 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
6789 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
6791 (TARGET_RELAXED_ORDERING): Use @deftypevr.
6793 (TARGET_GET_DRAP_RTX): Note that this is a hook.
6796 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
6797 Rename argument tm_fn to md_fn.
6799 (TARGET_OPTION_PRINT): Fix argument list.
6801 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
6804 * config/i386/i386.c (ix86_fixup_binary_operands):
6805 Revert FMA4 fixup of operands.
6807 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6810 * Makefile.in (write_entries_to_file, install-plugin):
6811 Use \012 instead of \n with tr.
6813 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
6815 * configure.ac (HAVE_AS_REF): New C macro.
6816 * configure: Regenerate.
6817 * config.in: Likewise.
6818 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
6820 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
6823 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
6825 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
6827 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
6829 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
6831 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
6833 (TARGET_IN_SMALL_DATA_P): Fix argument type.
6835 (TARGET_BINDS_LOCAL_P): Fix argument type.
6837 (TARGET_ASM_FILE_END): Use prototype.
6839 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
6841 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
6843 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
6845 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
6847 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
6848 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
6850 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
6851 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
6853 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
6854 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
6855 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
6856 (TARGET_ADDR_SPACE_CONVERT): Likewise.
6858 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
6860 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
6862 (TARGET_INIT_BUILTINS): Use prototype.
6864 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
6865 Put 'const char *' in braces. Fix parameter types.
6866 (TARGET_INVALID_CONVERSION): Fix parameter types.
6867 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
6868 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
6870 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
6873 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
6875 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
6877 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
6879 * doc/tm.texi (TARGET_HELP): Fix return type.
6881 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
6882 in braces. Fix argument types.
6884 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
6886 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
6888 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
6890 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
6891 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
6893 (TARGET_MANGLE_TYPE): Fix argument types.
6895 (TARGET_IRA_COVER_CLASSES): Use prototype.
6897 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
6899 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
6901 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
6903 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
6905 (TARGET_CALLEE_COPIES): Fix argument types.
6907 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
6909 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
6911 (TARGET_FUNCTION_VALUE): Fix argument types.
6913 (TARGET_RETURN_IN_MSB): Fix argument type.
6915 (TARGET_RETURN_IN_MEMORY): Fix argument types.
6917 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
6919 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
6921 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
6922 agree with return type.
6924 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
6926 2010-01-15 Jing Yu <jingyu@google.com>
6928 PR rtl-optimization/42691
6929 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
6930 a pseudo to a constant and are merged, and adjust comments.
6932 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
6934 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
6936 2010-01-15 Richard Guenther <rguenther@suse.de>
6939 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
6940 labels of computed or non-local gotos to the destination.
6941 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
6942 landing pad label is the first label.
6944 2010-01-15 Richard Guenther <rguenther@suse.de>
6946 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
6948 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
6951 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
6952 to allow generation of the xssqrtdp instruction on power7.
6953 (sqrtdf2_fpr): Ditto.
6955 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6958 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
6959 functions with noreturn attribute.
6962 * varasm.c (declare_weak): Add weak attribute to decl if it
6963 doesn't have one already.
6964 (assemble_external): Only add decls to weak_decls if they also
6965 have weak attribute.
6967 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
6969 * var-tracking.c (var_reg_delete): Don't delete the association
6970 between REGs and values or one-part variables if the register
6973 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6976 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
6977 because its first operand is a non-localized variable.
6979 2010-01-14 Martin Jambor <mjambor@suse.cz>
6981 PR tree-optimization/42706
6982 * tree-sra.c (encountered_recursive_call): New variable.
6983 (encountered_unchangable_recursive_call): Likewise.
6984 (sra_initialize): Initialize both new variables.
6985 (callsite_has_enough_arguments_p): New function.
6986 (scan_function): Call decl and flags check only for IPA-SRA, check
6987 whether there is a recursive call and whether it has enough arguments.
6988 (all_callers_have_enough_arguments_p): New function.
6989 (convert_callers): Look for recursive calls only when
6990 encountered_recursive_call is set.
6991 (ipa_early_sra): Bail out either if
6992 !all_callers_have_enough_arguments_p or
6993 encountered_unchangable_recursive_call.
6995 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6997 * sel-sched.c: Add 2010 to copyright years.
6998 * sel-sched-ir.c: Likewise.
6999 * sel-sched-ir.h: Likewise.
7001 2010-01-14 Martin Jambor <mjambor@suse.cz>
7003 PR tree-optimization/42714
7004 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
7005 constructors specially.
7007 2010-01-14 Andi Kleen <ak@linux.intel.com>
7009 * config/i386/drivers-i386.c (detect_caches_intel):
7010 Add l2sizekb parameter and fill in.
7011 (host_detect_local_cpu): Add l2sizekb, fill in.
7012 Add Atom small cache heuristic.
7014 2010-01-14 Andi Kleen <ak@linux.intel.com>
7016 * config/i386/drivers-i386.c (detect_caches_cpuid4):
7017 Add level3 parameter and fill in.
7018 (detect_caches_intel): Handle level3 cache.
7020 2010-01-14 Andi Kleen <ak@linux.intel.com>
7022 * config/i386/drivers-i386.c (host_detect_local_cpu):
7023 Fix core duo detection.
7025 2010-01-14 Andi Kleen <ak@linux.intel.com>
7027 * config/i386/drivers-i386.c (host_detect_local_cpu):
7030 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7032 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
7033 (rs6000_variable_issue_1): this. Use...
7034 (rs6000_variable_issue): here. Reimplement. Print debug info.
7036 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7038 * sel-sched-ir.c (sel_restore_other_notes): Rename to
7039 sel_restore_notes. Update all callers. Call reemit_notes
7042 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7044 PR rtl-optimization/42246
7045 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
7048 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7050 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
7051 all successors is the same as number of successors in current region.
7053 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7055 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
7056 to rename is not separable. Otherwise check that its LHS is not NULL.
7058 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7060 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
7062 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7064 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
7065 available registers when failed to discover LHS register class.
7066 Fix indentation. Update comment.
7068 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7069 Alexander Monakov <amonakov@ispras.ru>
7071 PR rtl-optimization/42389
7072 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
7074 (advance_state_on_fence): Likewise.
7075 (sel_target_adjust_priority): Print debug output only when
7076 sched_verbose >= 4, not 2.
7077 (get_expr_cost): Do not issue all unique insns on the next cycle.
7078 (fill_insns): Initialize can_issue_more from the value saved
7080 * sel-sched-ir.c (flist_add): New parameter issue_more.
7081 Init FENCE_ISSUE_MORE with it.
7082 (merge_fences): Likewise.
7083 (init_fences): Update call to flist_add.
7084 (add_to_fences, add_clean_fence_to_fences)
7085 (add_dirty_fence_to_fences): Likewise.
7086 (move_fence_to_fences): Update call to merge_fences.
7087 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
7089 * sel-sched-ir.h (struct _fence): New field issue_more.
7090 (FENCE_ISSUE_MORE): New accessor macro.
7092 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7094 PR rtl-optimization/42388
7095 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
7096 that have no predecessors nor successors. Do not call move_bb_info
7097 for empty blocks outside of current region.
7099 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7101 PR rtl-optimization/42294
7102 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
7103 * sel-sched.c (move_exprs_to_boundary): Transitively add all
7104 originators' originators.
7106 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7108 PR rtl-optimization/39453
7109 PR rtl-optimization/42246
7110 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
7112 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
7114 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7115 Alexander Monakov <amonakov@ispras.ru>
7118 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
7119 (maybe_tidy_empty_bb): ... here. Make static. Add new
7120 argument. Update all callers.
7121 (tidy_control_flow): ... and here. Recompute topological order
7122 of basic blocks in region if necessary.
7123 (sel_redirect_edge_and_branch): Change return type. Return true
7124 if topological order might have been invalidated.
7125 (purge_empty_blocks): Export and move from...
7126 * sel-sched.c (purge_empty_blocks): ... here.
7127 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
7128 (maybe_tidy_empty_bb): Delete prototype.
7129 (purge_empty_blocks): Declare.
7131 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7133 PR rtl-optimization/42249
7134 * sel-sched.c (try_replace_dest_reg): When chosen register
7135 and original register is the same, do not bail out early, but
7136 still check all original insns for validity of replacing destination
7137 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
7140 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7143 Port from no-undefined-overflow branch:
7144 2009-03-09 Richard Guenther <rguenther@suse.de>
7146 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
7148 2010-01-14 Richard Guenther <rguenther@suse.de>
7151 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
7153 2010-01-14 Ira Rosen <irar@il.ibm.com>
7155 PR tree-optimization/42709
7156 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
7157 as scalar type in creation of constant vector operand.
7159 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7162 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
7163 (check-parallel-%): Match `testsuite' directory component only
7166 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
7168 PR translation/39521
7169 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
7172 2010-01-13 Richard Guenther <rguenther@suse.de>
7174 PR tree-optimization/42730
7175 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
7178 2010-01-13 Steve Ellcey <sje@cup.hp.com>
7181 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
7182 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
7185 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
7187 * config/bfin/libgcc-bfin.ver: Regenerate based on current
7188 libgcc-std.ver. Add entries for ___smulsi3_highpart and
7189 ___umulsi3_highpart.
7191 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
7192 rather than schedule_insns if the pass is enabled.
7194 2010-01-13 Martin Jambor <mjambor@suse.cz>
7196 PR tree-optimization/42704
7197 * tree-sra.c (sra_modify_assign): Do not delete assignments to
7200 2010-01-13 Martin Jambor <mjambor@suse.cz>
7202 PR tree-optimization/42703
7203 * tree-sra.c (analyze_access_subtree): Check that we can build a
7204 reference to the original data within the aggregate.
7206 2010-01-13 Richard Guenther <rguenther@suse.de>
7208 PR tree-optimization/42705
7209 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
7211 2010-01-13 Richard Guenther <rguenther@suse.de>
7214 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
7216 2010-01-13 Jakub Jelinek <jakub@redhat.com>
7219 * var-tracking.c (values_to_unmark): New variable.
7220 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
7221 values_to_unmark vector. Moved body to...
7222 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
7223 instead queue it into values_to_unmark vector.
7224 (vt_find_locations): Free values_to_unmark vector.
7226 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
7228 * config/s390/s390.c (override_options): Set
7229 default of max-pending-list-length to 256
7231 2010-01-13 Richard Guenther <rguenther@suse.de>
7234 * tree-pass.h (PROP_gimple_lcx): New.
7235 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
7236 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
7237 before the final cleanup_eh.
7238 (dump_properties): Dump PROP_gimple_lcx.
7239 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
7240 (tree_lower_complex_O0): Remove.
7241 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
7242 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
7243 tree_lower_complex, schedule TODO_update_ssa.
7244 * lto-streamer-out.c (output_function): Stream the functions
7246 * lto-streamer-in.c (input_function): Likewise.
7247 (lto_read_body): Do not override them here.
7249 2010-01-12 Joseph Myers <joseph@codesourcery.com>
7252 * c-typeck.c (build_c_cast): Fold value cast to union type before
7253 wrapping it in a CONSTRUCTOR.
7255 2010-01-12 Jakub Jelinek <jakub@redhat.com>
7257 PR rtl-optimization/42699
7258 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
7261 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7263 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
7264 SUBTARGET_WARN_UNUSED_SPEC): Move ...
7265 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
7266 SUBTARGET_WARN_UNUSED_SPEC): ... here
7267 * config/mips/iris5.h (LIBGCC_SPEC): Define.
7269 2010-01-12 Julian Brown <julian@codesourcery.com>
7271 * config/arm/neon-schedgen.ml (Utils): Don't try to
7272 open missing module.
7273 (find_with_result): New.
7275 2010-01-12 Jakub Jelinek <jakub@redhat.com>
7278 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
7279 sharing when canonicalizing ({lt,ge}u (plus a b) b).
7281 PR tree-optimization/42645
7282 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
7283 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
7284 decl_map, set processing_debug_stmt to -1 and return name without
7287 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
7289 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
7290 binutils version, and reword target configuration description.
7292 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
7294 * config/avr/avr.h (LINKER_NAME): Remove.
7296 2010-01-11 Janis Johnson <janis187@us.ibm.com>
7299 * config/rs6000/rs6000.c (rs6000_override_options): On targets
7300 that support VSX, warn for -mno-altivec if vsx is not disabled,
7303 2010-01-11 Joseph Myers <joseph@codesourcery.com>
7304 Shujing Zhao <pearly.zhao@oracle.com>
7306 PR translation/42469
7307 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
7308 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
7309 character between option name and help text.
7310 * c.opt (imultilib): Likewise.
7312 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
7314 * lto-streamer-out.c (output_unreferenced_globals): Output static
7317 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
7319 PR rtl-optimization/42621
7320 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
7321 optimizing for size.
7322 (duplicate_computed_gotos): Remove now-redundant check.
7324 2010-01-10 Steve Ellcey <sje@cup.hp.com>
7327 * configure.ac: Save and restore LDFLAGS and LIBS
7328 * configure: Regenerate.
7330 2010-01-10 Richard Guenther <rguenther@suse.de>
7333 * builtins.c (fold_builtin_strlen): Add type argument and
7334 convert the resulting length to it.
7335 (fold_builtin_1): Adjust.
7337 2010-01-09 Jakub Jelinek <jakub@redhat.com>
7339 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
7340 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
7342 (num_insns_constant_wide): Adjust for that change.
7344 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7347 * web.c (union_defs): Add used argument, to combine uses of
7349 (entry_register): Adjust type and tests of used argument.
7350 (web_main): Widen used for new use. Pass it to union_defs.
7351 * df.h (union_defs): Adjust prototype.
7353 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7356 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
7357 uses in new incoming argument. Free body.
7358 (reset_debug_uses_in_loop): New.
7359 (analyze_insn_to_expand_var): Call the latter if the former found
7360 anything. Fix whitespace. Reject invalid dest overlaps before
7361 going through all insns in the loop.
7363 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7366 * haifa-sched.c (dying_use_p): Debug insns don't count.
7368 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7371 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
7372 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
7373 (verify_gimple_call): Reject LHS in noreturn calls.
7375 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7379 * tree-vect-loop-manip.c (adjust_info): New type.
7380 (adjust_vec): New pointer to vector.
7381 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
7382 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
7383 (slpeel_update_phis_for_duplicate_loop): Use them.
7384 (slpeel_update_phi_nodes_for_guard1): Likewise.
7385 (slpeel_update_phi_nodes_for_guard2): Likewise.
7386 (slpeel_tree_peel_loop_to_edge): Likewise.
7387 (vect_update_ivs_after_vectorizer): Likewise.
7389 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7391 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
7392 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
7394 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7396 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
7397 bogus uninitialized warning.
7399 2010-01-09 Richard Guenther <rguenther@suse.de>
7402 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
7403 the evolution is compatible with the initial condition.
7405 2010-01-09 Jakub Jelinek <jakub@redhat.com>
7407 * gcc.c (process_command): Update copyright notice dates.
7408 * gcov.c (print_version): Likewise.
7409 * gcov-dump.c (print_version): Likewise.
7410 * mips-tfile.c (main): Likewise.
7411 * mips-tdump.c (main): Likewise.
7413 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
7416 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
7418 (rotlhi3_8): Delete.
7420 (rotlsi3_8): Delete.
7421 (rotlsi3_16): Delete.
7422 (rotlsi3_24): Delete.
7424 (*rotw<mode>3): New.
7425 (*rotb<mode>3): New.
7426 * config/avr/avr.c (avr_rotate_bytes): New function.
7427 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
7429 2010-01-08 Steve Ellcey <sje@cup.hp.com>
7432 * configure.ac: Modify -rdynamic check.
7433 * configure: Regenerate.
7435 2010-01-08 DJ Delorie <dj@redhat.com>
7437 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
7438 register popping order.
7440 2010-01-08 Richard Guenther <rguenther@suse.de>
7443 * c.opt (fsigned-char): Also let LTO handle this option.
7444 (funsigned-char): Likewise.
7446 2010-01-07 Richard Guenther <rguenther@suse.de>
7448 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
7449 (gimple_op): Likewise.
7450 (gimple_op_ptr): Likewise.
7451 (gimple_assign_set_lhs): Remove gcc_assert.
7452 (gimple_assign_set_rhs1): Likewise.
7453 (gimple_assign_set_rhs2): Likewise.
7454 (gimple_call_set_lhs): Likewise.
7455 (gimple_call_set_fn): Likewise.
7456 (gimple_call_set_fndecl): Likewise.
7457 (gimple_call_fndecl): Likewise.
7458 (gimple_call_return_type): Likewise.
7459 (gimple_call_set_chain): Likewise.
7460 (gimple_call_num_args): Likewise.
7461 (gimple_call_set_arg): Likewise.
7462 (gimple_cond_set_code): Likewise.
7463 (gimple_cond_set_lhs): Likewise.
7464 (gimple_cond_set_rhs): Likewise.
7465 (gimple_cond_set_true_label): Likewise.
7466 (gimple_cond_set_false_label): Likewise.
7467 (gimple_label_set_label): Likewise.
7468 (gimple_goto_set_dest): Likewise.
7469 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
7470 (gimple_debug_bind_get_value): Likewise.
7471 (gimple_debug_bind_get_value_ptr): Likewise.
7472 (gimple_debug_bind_set_var): Likewise.
7473 (gimple_debug_bind_set_value): Likewise.
7474 (gimple_debug_bind_reset_value): Likewise.
7475 (gimple_debug_bind_has_value_p): Likewise.
7476 (gimple_return_retval_ptr): Remove gcc_assert.
7477 (gimple_return_retval): Likewise.
7478 (gimple_return_set_retval): Likewise.
7479 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
7480 (safe_referenced_var_iterator): Remove.
7481 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
7482 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
7483 (fill_referenced_var_vec): Remove.
7484 (first_readonly_imm_use): Remove redundant gcc_assert.
7485 (phi_arg_index_from_use): Combine gcc_asserts.
7486 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
7487 (first_imm_use_stmt): Remove redundant gcc_assert.
7488 * tree-cfg.c (verify_gimple_call): Verify function and chain
7489 operands. Verify arguments.
7490 (verify_types_in_gimple_stmt): Verify condition code and labels.
7492 2010-01-07 Richard Guenther <rguenther@suse.de>
7494 PR tree-optimization/42641
7495 * sese.c (rename_map_elt_info): Use the SSA name version, do
7498 2010-01-07 Jakub Jelinek <jakub@redhat.com>
7500 PR tree-optimization/42625
7501 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
7502 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
7504 2010-01-07 Duncan Sands <baldrick@free.fr>
7506 * Makefile.in (PLUGIN_HEADERS): Add version.h.
7508 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
7511 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
7512 note itself is not function_invariant_p.
7514 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
7516 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
7517 Do not add the DF_NOTE problem.
7518 * store-motion.c (execute_rtl_store_motion): Likewise.
7520 2010-01-07 Martin Jambor <mjambor@suse.cz>
7522 PR tree-optimization/42157
7523 * tree-sra.c (compare_access_positions): Stabilize sort if both
7524 accesses have integer types, return zero immediately if they are the
7527 2010-01-06 Richard Henderson <rth@redhat.com>
7530 * haifa-sched.c (add_to_note_list): Merge into ...
7531 (concat_note_lists): ... here, and ...
7532 (unlink_other_notes, rm_other_notes): Merge into...
7533 (remove_notes): ... here. Create REG_SAVE_NOTEs for
7534 NOTE_INSN_EPILOGUE_BEG.
7536 2010-01-06 Richard Guenther <rguenther@suse.de>
7538 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
7539 not inline regular functions into always-inline functions.
7541 2010-01-06 Nick Clifton <nickc@redhat.com>
7543 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
7544 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
7546 (OVERRIDE_OPTIONS): Delete.
7547 (OPTIMIZATION_OPTIONS): Define.
7548 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
7549 * config/rx/rx.c (rx_handle_option): Issue an error message if
7550 -mcpu=rx200 and -fpu are used together.
7551 (rx_set_optimization_options): New function. Issue an error
7552 message if an optimization attribute attempts to reset the FPU/
7553 math optimization pairing.
7554 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
7555 * config/rx/rx.opt: Set the default to 32-bit doubles.
7556 * config/rx/t-rx: Add multilibs for -nofpu option.
7557 * doc/invoke.texi: Update documentation of RX options.
7559 2010-01-06 Richard Guenther <rguenther@suse.de>
7561 * tree-ssa-pre.c (name_to_id): New global.
7562 (alloc_expression_id): Simplify SSA name handling.
7563 (lookup_expression_id): Likewise.
7564 (init_pre): Zero name_to_id.
7565 (fini_pre): Free it.
7567 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
7569 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
7571 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
7574 * config/i386/sse.md (smaxv2di3): New.
7575 (umaxv2di3): Likewise.
7576 (sminv2di3): Likewise.
7577 (uminv2di3): Likewise.
7579 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
7582 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
7583 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
7584 (legitimize_tls_address): Likewise.
7585 (sparc_tls_referenced_p): Likewise.
7586 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
7587 and adjust calls to legitimize_pic_address.
7588 (legitimate_constant_p) Use sparc_tls_referenced_p.
7589 (legitimate_pic_operand_p): Likewise.
7590 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
7591 (sparc_tls_symbol_ref_1): Delete.
7592 (sparc_tls_referenced_p): Make static, recognize specific patterns.
7593 (legitimize_tls_address): Make static, handle CONST patterns.
7594 (legitimize_pic_address): Make static, remove unused parameter and
7595 adjust recursive calls.
7596 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
7597 and adjust call to legitimize_pic_address.
7598 (sparc_output_mi_thunk): Likewise.
7600 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
7601 H.J. Lu <hongjiu.lu@intel.com>
7604 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
7605 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
7606 operands to make them signed.
7609 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7612 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
7613 GTU to GT for V4SI and V2DI.
7615 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
7616 (umin<mode>3): Removed.
7618 (uminv4si3): Likewise.
7620 2010-01-05 Martin Jambor <mjambor@suse.cz>
7622 PR tree-optimization/42462
7623 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
7624 current_function_decl to helper functions and macros.
7626 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7629 * flags.h: Don't include real.h.
7630 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
7631 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
7632 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
7633 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
7634 * dominance.c: Update copyright.
7635 * gimple.c (walk_gimple_op): Remove inline.
7636 * tree-ssa-reassoc.c: Include real.h.
7637 * Makefile.in (FLAGS_H): Remove $(REAL_H).
7638 (tree-ssa-reassoc.o): Depend on $(REAL_H).
7640 2010-01-05 Nick Clifton <nickc@redhat.com>
7642 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
7643 register to push into the stack frame when the accumulator has to
7644 be saved during interrupts.
7646 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
7648 * doc/invoke.texi: Remove the documentation about option
7650 * common.opt (Wunreachable-code): Preserved for backward
7652 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
7653 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
7654 the backward compatibility flag section.
7656 2010-01-05 Richard Guenther <rguenther@suse.de>
7658 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
7660 2010-01-05 Jakub Jelinek <jakub@redhat.com>
7663 * cfgexpand.c (expand_one_var): Diagnose too large variables.
7665 PR tree-optimization/42508
7666 * tree-sra.c (convert_callers): Check for recursive call
7667 by comparing cgraph nodes instead of decls.
7668 (modify_function): Call ipa_modify_formal_parameters also
7669 on all same_body aliases.
7671 * cgraphunit.c (cgraph_materialize_all_clones): Compare
7672 cgraph nodes when checking for same_body aliases.
7674 2010-01-05 Richard Guenther <rguenther@suse.de>
7676 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
7677 allocation and lookup.
7678 (get_or_alloc_expr_for_constant): Likewise.
7679 (phi_translate): Sink allocation.
7681 2010-01-04 Richard Guenther <rguenther@suse.de>
7683 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
7684 a new entry only if needed.
7685 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
7686 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
7688 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
7690 (phi_translate): Handle CONSTANTs early.
7692 2010-01-04 Martin Jambor <mjambor@suse.cz>
7694 PR tree-optimization/42398
7695 * tree-sra.c (struct access): Removed flag grp_different_types.
7696 (dump_access): Do not dump the removed flag.
7697 (sort_and_splice_var_accesses): Do not set the removed flag.
7698 (sra_modify_expr): Check for type compatibility directly.
7700 2010-01-04 Martin Jambor <mjambor@suse.cz>
7702 PR tree-optimization/42366
7703 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
7704 edges with variable number of parameters.
7705 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
7706 flag instead of asserting it.
7707 (ipa_read_node_info): Read uses_analysis_done flag.
7709 2010-01-04 Richard Guenther <rguenther@suse.de>
7711 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
7712 iterative_hash_* as intended.
7713 (vn_reference_compute_hash): Likewise. Simplify hashing
7715 (vn_reference_lookup_2): Likewise.
7716 (vn_nary_op_compute_hash): Likewise.
7717 (vn_phi_compute_hash): Likewise.
7718 (expressions_equal_p): Remove strange code.
7719 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
7720 (pre_expr_hash): Likewise. Simplify hashing SSA names.
7721 (bitmap_insert_into_set_1): Take value-id as parameter.
7722 (add_to_value): Pass it.
7723 (bitmap_insert_into_set): Likewise.
7724 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
7726 2010-01-04 Jakub Jelinek <jakub@redhat.com>
7729 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
7730 (do_self_spec): For switches with SWITCH_IGNORE set set also
7731 SWITCH_IGNORE_PERMANENTLY.
7732 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
7735 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
7737 * lto-streamer-out.c (output_unreferenced_globals): Output the full
7738 tree of an unreferenced global var.
7740 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7743 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
7744 GTU to GT for V4SI and V2DI.
7746 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
7747 (umin<mode>3): Removed.
7749 (uminv4si3): Likewise.
7751 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7754 * collect2.c (main): Turn on trace in collect2 if -v is passed
7757 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
7759 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
7760 description of expression operand.
7762 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
7764 * configure.ac: Add install-html to target_list for Make-hooks.
7765 * configure: Regenerate.
7766 * fortran/Make-lang.in (F95_HTMLFILES): New.
7767 (fortran.html): Use it.
7768 (fortran.install-html): New.
7769 * Makefile.in (install-html): Add lang.install-html.
7770 * java/Make-lang.in (JAVA_HTMLFILES): New.
7771 (java.html): Use it.
7772 (java.install-html): New.
7773 * objc/Make-lang.in (objc.install-html): New.
7774 * objcp/Make-lang.in (obj-c++.install-html): New.
7775 * cp/Make-lang.in (c++.install-html): New.
7776 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
7777 * lto/Make-lang.in (lto.install-html): New.
7779 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
7782 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
7784 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
7786 PR rtl-optimization/41862
7787 * store-motion.c (store_killed_in_insn, compute_store_table,
7788 remove_reachable_equiv_notes, replace_store_insn,
7789 build_store_vectors): Ignore all DEBUG_INSNs.
7791 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
7794 * common.opt: Add dumpdir.
7796 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
7798 (option_map): Add --dumpdir.
7800 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
7802 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
7804 * opts.c (decode_options): Try dump_dir_name first if
7805 dump_base_name isn't an absolute path.
7806 (common_handle_option): Handle OPT_dumpdir.
7808 * toplev.c (dump_dir_name): New.
7809 (print_switch_values): Also ignore -dumpdir.
7811 * toplev.h (dump_dir_name): New.
7813 2010-01-03 Richard Guenther <rguenther@suse.de>
7815 PR tree-optimization/42589
7816 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
7817 double-word expansion of bswap32.
7819 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
7821 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
7822 with BLOCK_FOR_INSN.
7823 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
7824 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
7825 noce_process_if_block): Likewise.
7826 * gcse.c (compute_local_properties, insert_expr_in_table,
7827 insert_set_in_table, canon_list_insert, find_avail_set,
7828 pre_insert_copy_insn): Likewise.
7830 * basic-block.h (BLOCK_NUM): Move from here...
7831 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
7833 2010-01-03 Richard Guenther <rguenther@suse.de>
7835 PR tree-optimization/42438
7836 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
7837 contains_may_not_return_call flag.
7838 (BB_MAY_NOTRETURN): New.
7839 (valid_in_sets): Trapping nary operations are not valid
7840 in blocks that may not return.
7841 (insert_into_preds_of_block): Remove check for trapping expressions.
7842 (compute_avail): Compute also BB_MAY_NOTRETURN.
7844 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
7846 * doc/invoke.texi: Add 2010 to copyright years.
7848 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
7850 * config/sparc/sparc.c: Fix formatting nits.
7852 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
7853 Alexander Monakov <amonakov@ispras.ru>
7855 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
7857 2010-01-02 Richard Guenther <rguenther@suse.de>
7860 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
7861 (simplify_switch_using_ranges): Mark to be removed edges
7864 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7866 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
7868 * collect2.c (scan_libraries): Add missing argument in call to
7871 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
7874 * config/alpha/predicates.md (aligned_memory_operand): Return false
7876 (unaligned_memory_operand): Return true for CQImode.
7877 * config/alpha/alpha.c (get_aligned_mem): Assert that location
7878 doesn not cross aligned SImode word boundary.
7880 2010-01-02 Anatoly Sokolov <aesok@post.ru>
7882 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
7884 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
7885 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
7887 2010-01-02 Richard Guenther <rguenther@suse.de>
7890 * toplev.c (compile_file): Emit LTO marker properly. Change
7892 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
7894 2010-01-01 Richard Guenther <rguenther@suse.de>
7897 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
7899 2010-01-01 Richard Guenther <rguenther@suse.de>
7902 * c-decl.c (grokdeclarator): For zero-size arrays force
7903 structural equality checks as layout_type does.
7905 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
7907 * builtins.c: Update copyright to 2010.
7909 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
7912 * lto-streamer-out.c (produce_asm): Revert the last change.
7913 (copy_function): Likewise.
7915 * lto-streamer.c (lto_get_section_name): Skip any leading
7918 2010-01-01 Richard Guenther <rguenther@suse.de>
7921 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
7925 Copyright (C) 2010 Free Software Foundation, Inc.
7927 Copying and distribution of this file, with or without modification,
7928 are permitted in any medium without royalty provided the copyright
7929 notice and this notice are preserved.